/* roulang page: index */
:root {
            --color-primary: #1a1a2e;
            --color-primary-light: #16213e;
            --color-accent: #c9a96e;
            --color-accent-dark: #b8944f;
            --color-accent-light: #e0c88a;
            --color-gold: #d4a853;
            --color-bg: #fafaf8;
            --color-bg-alt: #f5f2ec;
            --color-bg-dark: #1a1a2e;
            --color-text: #2c2c2c;
            --color-text-light: #5a5a5a;
            --color-text-muted: #8a8a8a;
            --color-text-inverse: #f5f5f0;
            --color-border: #e8e4dc;
            --color-border-light: #f0ece6;
            --color-white: #ffffff;
            --color-success: #3a7d5a;
            --color-warning: #d4a853;
            --color-danger: #c0392b;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 10px 32px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.06);
            --shadow-inner: inset 0 2px 8px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', system-ui, -apple-system, sans-serif;
            --font-serif: 'Noto Serif SC', 'STSong', 'Songti SC', 'SimSun', serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
            line-height: 1.6;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
            letter-spacing: 0.01em;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }
        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 0.6rem 0.9rem;
            font-size: 0.95rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--color-white);
            width: 100%;
        }
        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.12);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 1rem;
            }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 1.5rem;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: -0.02em;
        }
        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            flex-wrap: wrap;
            justify-content: center;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 0.45rem 0.85rem;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-light);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--color-accent-dark);
            background: rgba(201, 169, 110, 0.06);
        }
        .nav-links a.active {
            color: var(--color-accent-dark);
            font-weight: 600;
            background: rgba(201, 169, 110, 0.1);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }
        .nav-cta {
            background: var(--color-accent) !important;
            color: #fff !important;
            font-weight: 600 !important;
            padding: 0.5rem 1.2rem !important;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-base) !important;
        }
        .nav-cta:hover {
            background: var(--color-accent-dark) !important;
            color: #fff !important;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .nav-cta.active {
            background: var(--color-accent-dark) !important;
            color: #fff !important;
        }
        .nav-cta.active::after {
            display: none;
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            cursor: pointer;
            padding: 0.35rem;
            border-radius: var(--radius-sm);
        }
        @media (max-width: 1024px) {
            .nav-links {
                gap: 0.1rem;
            }
            .nav-links a {
                padding: 0.4rem 0.6rem;
                font-size: 0.82rem;
            }
        }
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 1rem;
                gap: 0.35rem;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                z-index: 999;
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                text-align: center;
                padding: 0.6rem 1rem;
                font-size: 0.95rem;
                border-radius: var(--radius-md);
            }
            .nav-cta {
                margin-top: 0.3rem;
            }
        }

        /* ========== PROGRESS STEPS BAR ========== */
        .progress-steps-bar {
            background: var(--color-bg-alt);
            border-bottom: 1px solid var(--color-border-light);
            padding: 0.7rem 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }
        .progress-steps-inner {
            display: flex;
            align-items: center;
            gap: 0;
            min-width: max-content;
            justify-content: center;
            flex-wrap: nowrap;
        }
        .progress-step {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 1.2rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-text-muted);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .progress-step:hover {
            color: var(--color-accent-dark);
            background: rgba(201, 169, 110, 0.06);
        }
        .progress-step .step-dot {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.8rem;
            color: #fff;
            flex-shrink: 0;
            transition: all var(--transition-base);
        }
        .progress-step.completed .step-dot {
            background: var(--color-accent);
        }
        .progress-step.active-step .step-dot {
            background: var(--color-primary);
            box-shadow: 0 0 0 6px rgba(26, 26, 46, 0.1);
        }
        .progress-step.active-step {
            color: var(--color-primary);
            font-weight: 600;
        }
        .progress-connector {
            width: 32px;
            height: 2px;
            background: var(--color-border);
            flex-shrink: 0;
            border-radius: 1px;
        }
        .progress-connector.done {
            background: var(--color-accent);
        }
        @media (max-width: 640px) {
            .progress-step {
                padding: 0.4rem 0.8rem;
                font-size: 0.75rem;
                gap: 0.35rem;
            }
            .progress-step .step-dot {
                width: 22px;
                height: 22px;
                font-size: 0.7rem;
            }
            .progress-connector {
                width: 18px;
            }
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            padding: 3.5rem 0 4rem;
            overflow: hidden;
            background: var(--color-bg);
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            z-index: 0;
        }
        .hero-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(201, 169, 110, 0.12);
            color: var(--color-accent-dark);
            padding: 0.35rem 0.9rem;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            margin-bottom: 1rem;
            letter-spacing: 0.03em;
        }
        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            margin-bottom: 1rem;
        }
        .hero-title .accent {
            color: var(--color-accent);
        }
        .hero-desc {
            font-size: 1.05rem;
            color: var(--color-text-light);
            line-height: 1.7;
            margin-bottom: 1.8rem;
            max-width: 500px;
        }
        .hero-cta-group {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 1.6rem;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            box-shadow: var(--shadow-md);
        }
        .btn-primary:hover {
            background: var(--color-accent-dark);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-border);
        }
        .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent-dark);
            background: rgba(201, 169, 110, 0.04);
        }
        .btn-dark {
            background: var(--color-primary);
            color: #fff;
        }
        .btn-dark:hover {
            background: #2a2a4a;
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .hero-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-ebook-card {
            background: #fff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-xl);
            padding: 2rem;
            max-width: 420px;
            width: 100%;
            position: relative;
            border: 1px solid var(--color-border-light);
        }
        .hero-ebook-cover {
            width: 100%;
            aspect-ratio: 3/4;
            background: linear-gradient(160deg, #1a1a2e 0%, #2d2d44 40%, #3a3050 100%);
            border-radius: var(--radius-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
            margin-bottom: 1.2rem;
            box-shadow: var(--shadow-lg);
        }
        .hero-ebook-cover::before {
            content: '';
            position: absolute;
            inset: 8px;
            border: 2px solid rgba(201, 169, 110, 0.4);
            border-radius: var(--radius-md);
            pointer-events: none;
        }
        .hero-ebook-cover-inner {
            text-align: center;
            color: #fff;
            z-index: 1;
            padding: 1.5rem;
        }
        .hero-ebook-cover-inner .ebook-icon {
            font-size: 3rem;
            margin-bottom: 0.8rem;
            color: var(--color-accent);
        }
        .hero-ebook-cover-inner .ebook-title {
            font-size: 1.4rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 0.3rem;
            color: #fff;
        }
        .hero-ebook-cover-inner .ebook-subtitle {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 0.06em;
        }
        .hero-ebook-toc {
            list-style: none;
            font-size: 0.88rem;
            color: var(--color-text-light);
            line-height: 1.8;
        }
        .hero-ebook-toc li {
            padding: 0.3rem 0;
            border-bottom: 1px dashed var(--color-border-light);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .hero-ebook-toc li::before {
            content: '◆';
            color: var(--color-accent);
            font-size: 0.55rem;
            flex-shrink: 0;
        }
        .hero-form-row {
            display: flex;
            gap: 0.5rem;
            margin-top: 1rem;
        }
        .hero-form-row input {
            flex: 1;
            border-radius: var(--radius-md);
        }
        @media (max-width: 768px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-ebook-card {
                max-width: 100%;
            }
            .hero-form-row {
                flex-direction: column;
            }
        }

        /* ========== SECTION COMMONS ========== */
        .section {
            padding: 4rem 0;
        }
        .section-alt {
            background: var(--color-bg-alt);
        }
        .section-dark {
            background: var(--color-bg-dark);
            color: var(--color-text-inverse);
        }
        .section-header {
            text-align: center;
            margin-bottom: 2.5rem;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-accent-dark);
            margin-bottom: 0.5rem;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            margin-bottom: 0.6rem;
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.6);
        }
        @media (max-width: 768px) {
            .section {
                padding: 2.5rem 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }

        /* ========== CARDS ========== */
        .card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }
        .card-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 1rem;
            aspect-ratio: 16/10;
            background: var(--color-bg-alt);
        }
        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .card:hover .card-img img {
            transform: scale(1.04);
        }
        .card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.2rem 0.6rem;
            border-radius: 12px;
            background: rgba(201, 169, 110, 0.12);
            color: var(--color-accent-dark);
            margin-bottom: 0.5rem;
            letter-spacing: 0.03em;
        }
        .card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 0.4rem;
            line-height: 1.3;
        }
        .card-desc {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        /* ========== GRID LAYOUTS ========== */
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .grid-5 {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 1.5rem;
        }
        @media (max-width: 1024px) {
            .grid-4,
            .grid-5 {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 768px) {
            .grid-2,
            .grid-3,
            .grid-4,
            .grid-5 {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
        }
        @media (max-width: 520px) {
            .grid-2,
            .grid-3,
            .grid-4,
            .grid-5 {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
        }

        /* ========== VERTICAL SCROLL CARDS (竖屏种草) ========== */
        .vertical-scroll-wrap {
            display: flex;
            gap: 1.2rem;
            overflow-x: auto;
            padding: 0.5rem 0 1.5rem;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--color-border) transparent;
        }
        .vertical-scroll-wrap::-webkit-scrollbar {
            height: 5px;
        }
        .vertical-scroll-wrap::-webkit-scrollbar-track {
            background: transparent;
            border-radius: 3px;
        }
        .vertical-scroll-wrap::-webkit-scrollbar-thumb {
            background: var(--color-border);
            border-radius: 3px;
        }
        .vertical-card {
            flex: 0 0 220px;
            scroll-snap-align: start;
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .vertical-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .vertical-card-img {
            aspect-ratio: 3/4;
            overflow: hidden;
            background: var(--color-bg-alt);
        }
        .vertical-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .vertical-card:hover .vertical-card-img img {
            transform: scale(1.05);
        }
        .vertical-card-body {
            padding: 0.9rem 1rem;
        }
        .vertical-card-body .vcard-title {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-primary);
            margin-bottom: 0.2rem;
        }
        .vertical-card-body .vcard-meta {
            font-size: 0.75rem;
            color: var(--color-text-muted);
        }
        @media (max-width: 520px) {
            .vertical-card {
                flex: 0 0 160px;
            }
        }

        /* ========== HOT LIST (爆款清单) ========== */
        .hot-list-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
        }
        .hot-list-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1rem 1.2rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .hot-list-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent);
            transform: translateX(4px);
        }
        .hot-rank {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1rem;
            flex-shrink: 0;
            color: #fff;
            background: var(--color-text-muted);
        }
        .hot-rank.rank-1 {
            background: #c9a96e;
            box-shadow: 0 0 0 6px rgba(201, 169, 110, 0.15);
        }
        .hot-rank.rank-2 {
            background: #b0b0b0;
            box-shadow: 0 0 0 6px rgba(176, 176, 176, 0.12);
        }
        .hot-rank.rank-3 {
            background: #c4856a;
            box-shadow: 0 0 0 6px rgba(196, 133, 106, 0.12);
        }
        .hot-info .hot-name {
            font-weight: 700;
            color: var(--color-primary);
            font-size: 0.95rem;
        }
        .hot-info .hot-detail {
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }
        @media (max-width: 640px) {
            .hot-list-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== ENTRY MATRIX (入口矩阵) ========== */
        .entry-matrix {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 1rem;
        }
        .entry-item {
            text-align: center;
            padding: 1.5rem 0.8rem;
            border-radius: var(--radius-lg);
            background: #fff;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            cursor: pointer;
            box-shadow: var(--shadow-sm);
        }
        .entry-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-accent);
        }
        .entry-icon {
            font-size: 2rem;
            margin-bottom: 0.5rem;
            color: var(--color-accent);
            transition: transform var(--transition-fast);
        }
        .entry-item:hover .entry-icon {
            transform: scale(1.15);
        }
        .entry-label {
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--color-primary);
        }
        @media (max-width: 1024px) {
            .entry-matrix {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 520px) {
            .entry-matrix {
                grid-template-columns: repeat(2, 1fr);
                gap: 0.7rem;
            }
        }

        /* ========== REVIEW WALL (评价墙) ========== */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .review-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            position: relative;
        }
        .review-card::before {
            content: '"';
            position: absolute;
            top: 0.5rem;
            right: 1.2rem;
            font-size: 4rem;
            color: rgba(201, 169, 110, 0.15);
            font-family: var(--font-serif);
            line-height: 1;
            pointer-events: none;
        }
        .review-stars {
            color: #e8b84b;
            font-size: 0.9rem;
            margin-bottom: 0.6rem;
            letter-spacing: 0.1em;
        }
        .review-text {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin-bottom: 0.8rem;
            position: relative;
            z-index: 1;
        }
        .review-author {
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--color-primary);
        }
        .review-author span {
            font-weight: 400;
            color: var(--color-text-muted);
            font-size: 0.75rem;
        }
        @media (max-width: 768px) {
            .review-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
        }

        /* ========== NEWS SECTION ========== */
        .news-layout {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 2rem;
        }
        .news-list {
            list-style: none;
        }
        .news-list li {
            padding: 1rem 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
        }
        .news-list li:hover {
            padding-left: 0.5rem;
            background: rgba(201, 169, 110, 0.03);
            border-radius: var(--radius-sm);
        }
        .news-date {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            margin-bottom: 0.2rem;
            letter-spacing: 0.04em;
        }
        .news-title-link {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-primary);
            display: block;
            margin-bottom: 0.3rem;
            line-height: 1.4;
            transition: color var(--transition-fast);
        }
        .news-title-link:hover {
            color: var(--color-accent-dark);
        }
        .news-summary {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }
        .news-sidebar {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            height: fit-content;
        }
        .news-sidebar h4 {
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 1rem;
            font-size: 1rem;
        }
        .news-sidebar-list {
            list-style: none;
        }
        .news-sidebar-list li {
            padding: 0.5rem 0;
            border-bottom: 1px solid var(--color-border-light);
            font-size: 0.85rem;
            color: var(--color-text-light);
            cursor: pointer;
            transition: color var(--transition-fast);
        }
        .news-sidebar-list li:hover {
            color: var(--color-accent-dark);
        }
        @media (max-width: 768px) {
            .news-layout {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
        }

        /* ========== MEMBER TIER (会员权益) ========== */
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .tier-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 2rem 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 2px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
        }
        .tier-card.featured {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-lg);
            transform: scale(1.03);
            z-index: 2;
            background: #fffefb;
        }
        .tier-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-5px);
        }
        .tier-card.featured:hover {
            transform: scale(1.03) translateY(-5px);
        }
        .tier-badge {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 0.25rem 0.8rem;
            border-radius: 12px;
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            margin-bottom: 0.8rem;
        }
        .tier-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 0.5rem;
        }
        .tier-price {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--color-accent);
            margin-bottom: 1rem;
        }
        .tier-price small {
            font-size: 0.8rem;
            font-weight: 400;
            color: var(--color-text-muted);
        }
        .tier-features {
            list-style: none;
            text-align: left;
            margin-bottom: 1.5rem;
        }
        .tier-features li {
            padding: 0.4rem 0;
            font-size: 0.85rem;
            color: var(--color-text-light);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .tier-features li i {
            color: var(--color-success);
            flex-shrink: 0;
        }
        @media (max-width: 768px) {
            .tier-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .tier-card.featured {
                transform: none;
            }
            .tier-card.featured:hover {
                transform: translateY(-5px);
            }
        }

        /* ========== TIMELINE (议程时间线) ========== */
        .timeline {
            position: relative;
            padding-left: 2rem;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--color-border);
            border-radius: 1px;
        }
        .timeline-item {
            position: relative;
            padding-bottom: 2rem;
            padding-left: 1.5rem;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -2.35rem;
            top: 0.35rem;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--color-accent);
            border: 3px solid #fff;
            box-shadow: var(--shadow-sm);
            z-index: 1;
        }
        .timeline-date {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--color-accent-dark);
            letter-spacing: 0.04em;
            margin-bottom: 0.2rem;
        }
        .timeline-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-primary);
            margin-bottom: 0.3rem;
        }
        .timeline-desc {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        /* ========== TASK PROGRESS (任务进度) ========== */
        .task-progress-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            max-width: 700px;
            margin: 0 auto;
        }
        .task-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1rem 1.3rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }
        .task-item.completed {
            border-left: 4px solid var(--color-success);
            background: #f8fcf9;
        }
        .task-check {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 0.8rem;
            background: var(--color-border);
            color: #fff;
            transition: all var(--transition-base);
        }
        .task-item.completed .task-check {
            background: var(--color-success);
        }
        .task-info {
            flex: 1;
        }
        .task-info .task-name {
            font-weight: 600;
            color: var(--color-primary);
            font-size: 0.9rem;
        }
        .task-info .task-reward {
            font-size: 0.75rem;
            color: var(--color-accent-dark);
            font-weight: 500;
        }
        .task-bar-wrap {
            flex: 0 0 100px;
            height: 8px;
            background: var(--color-border-light);
            border-radius: 4px;
            overflow: hidden;
        }
        .task-bar-fill {
            height: 100%;
            border-radius: 4px;
            background: var(--color-accent);
            transition: width var(--transition-slow);
        }
        @media (max-width: 520px) {
            .task-item {
                flex-wrap: wrap;
                gap: 0.5rem;
            }
            .task-bar-wrap {
                flex: 0 0 100%;
            }
        }

        /* ========== SECURITY SECTION (安全体系) ========== */
        .security-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .security-card {
            text-align: center;
            padding: 2rem 1.2rem;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }
        .security-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .security-icon {
            font-size: 2.5rem;
            color: var(--color-accent);
            margin-bottom: 0.8rem;
        }
        .security-card h4 {
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 0.4rem;
            font-size: 1rem;
        }
        .security-card p {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }
        @media (max-width: 768px) {
            .security-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
        }
        @media (max-width: 520px) {
            .security-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== CTA BANNER ========== */
        .cta-banner {
            background: linear-gradient(135deg, var(--color-primary) 0%, #2a2545 50%, #1a1a2e 100%);
            border-radius: var(--radius-2xl);
            padding: 3rem 2.5rem;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.06;
            z-index: 0;
        }
        .cta-banner>* {
            position: relative;
            z-index: 1;
        }
        .cta-banner h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 0.8rem;
            letter-spacing: -0.01em;
        }
        .cta-banner p {
            font-size: 1rem;
            opacity: 0.8;
            margin-bottom: 1.5rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .cta-banner {
                padding: 2rem 1.5rem;
                border-radius: var(--radius-xl);
            }
            .cta-banner h2 {
                font-size: 1.4rem;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            width: 100%;
            padding: 1.1rem 1.5rem;
            background: none;
            text-align: left;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            transition: all var(--transition-fast);
            gap: 1rem;
        }
        .faq-question:hover {
            background: rgba(201, 169, 110, 0.03);
        }
        .faq-question i {
            transition: transform var(--transition-base);
            color: var(--color-accent);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 1.5rem;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.5rem 1.1rem;
        }
        .faq-answer p {
            font-size: 0.88rem;
            color: var(--color-text-light);
            line-height: 1.7;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 3rem 0 1.5rem;
            font-size: 0.85rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-brand .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.8rem;
            letter-spacing: 0.03em;
        }
        .footer-brand p {
            line-height: 1.6;
            font-size: 0.82rem;
            opacity: 0.7;
        }
        .footer-col h4 {
            color: #fff;
            font-weight: 600;
            margin-bottom: 0.8rem;
            font-size: 0.9rem;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            padding: 0.25rem 0;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.8rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: space-between;
            align-items: center;
            font-size: 0.78rem;
            opacity: 0.7;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--color-accent-light);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.5rem;
            }
        }

        /* ========== ANIMATIONS ========== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-fade-in-up {
            animation: fadeInUp 0.6s ease-out forwards;
        }
        .animate-delay-1 {
            animation-delay: 0.1s;
            opacity: 0;
        }
        .animate-delay-2 {
            animation-delay: 0.2s;
            opacity: 0;
        }
        .animate-delay-3 {
            animation-delay: 0.3s;
            opacity: 0;
        }

        /* ========== UTILITY ========== */
        .text-accent {
            color: var(--color-accent);
        }
        .text-center {
            text-align: center;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .mb-2 {
            margin-bottom: 2rem;
        }
        .gap-1 {
            gap: 1rem;
        }
        .gap-2 {
            gap: 2rem;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }
        .flex {
            display: flex;
        }
        .items-center {
            align-items: center;
        }
        .justify-center {
            justify-content: center;
        }

/* roulang page: category2 */
:root {
            --color-primary: #1a1a2e;
            --color-primary-light: #16213e;
            --color-accent: #c9a96e;
            --color-accent-dark: #b8944f;
            --color-accent-light: #e0c88a;
            --color-gold: #d4a853;
            --color-bg: #fafaf8;
            --color-bg-alt: #f5f2ec;
            --color-bg-dark: #1a1a2e;
            --color-text: #2c2c2c;
            --color-text-light: #5a5a5a;
            --color-text-muted: #8a8a8a;
            --color-text-inverse: #f5f5f0;
            --color-border: #e8e4dc;
            --color-border-light: #f0ece6;
            --color-white: #ffffff;
            --color-success: #3a7d5a;
            --color-warning: #d4a853;
            --color-danger: #c0392b;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 10px 32px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.06);
            --shadow-inner: inset 0 2px 8px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', system-ui, -apple-system, sans-serif;
            --font-serif: 'Noto Serif SC', 'STSong', 'Songti SC', 'SimSun', serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
            line-height: 1.6;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
            letter-spacing: 0.01em;
            margin: 0;
            padding: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 1rem;
            }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 1.5rem;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            flex-wrap: wrap;
            justify-content: center;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 0.45rem 0.85rem;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-light);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: var(--color-primary);
            background: rgba(26, 26, 46, 0.04);
        }

        .nav-links a.active {
            color: var(--color-accent-dark);
            background: rgba(201, 169, 110, 0.1);
            font-weight: 600;
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .nav-links .nav-cta {
            background: var(--color-accent);
            color: #fff !important;
            font-weight: 600;
            padding: 0.5rem 1.1rem;
            border-radius: var(--radius-md);
            margin-left: 0.5rem;
            transition: all var(--transition-base);
        }

        .nav-links .nav-cta:hover {
            background: var(--color-accent-dark);
            color: #fff !important;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .nav-links .nav-cta::after {
            display: none;
        }

        /* 移动端导航 */
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--color-primary);
            padding: 0.4rem;
            cursor: pointer;
            flex-shrink: 0;
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 0.1rem;
            }
            .nav-links a {
                padding: 0.4rem 0.6rem;
                font-size: 0.82rem;
            }
            .nav-links .nav-cta {
                padding: 0.4rem 0.8rem;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 1rem;
                gap: 0.3rem;
                border-bottom: 1px solid var(--color-border-light);
                box-shadow: var(--shadow-lg);
                z-index: 999;
                align-items: stretch;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links a {
                padding: 0.7rem 1rem;
                border-radius: var(--radius-md);
                font-size: 0.95rem;
                justify-content: center;
            }
            .nav-links .nav-cta {
                margin-left: 0;
                margin-top: 0.3rem;
                text-align: center;
                justify-content: center;
            }
        }

        /* ========== 覆盖 Bootstrap 默认样式 ========== */
        .btn {
            font-family: var(--font-sans);
            transition: all var(--transition-base);
            border-radius: var(--radius-md);
            font-weight: 600;
            letter-spacing: 0.02em;
            border: none;
        }

        .btn-primary {
            background: var(--color-accent);
            border-color: var(--color-accent);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .btn-outline-primary {
            border-color: var(--color-accent);
            color: var(--color-accent-dark);
            background: transparent;
        }
        .btn-outline-primary:hover {
            background: var(--color-accent);
            border-color: var(--color-accent);
            color: #fff;
        }
        .btn-lg {
            padding: 0.85rem 2rem;
            font-size: 1.05rem;
            border-radius: var(--radius-lg);
        }
        .btn-sm {
            padding: 0.45rem 1rem;
            font-size: 0.85rem;
            border-radius: var(--radius-sm);
        }

        .card {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            background: var(--color-white);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }
        .card-body {
            padding: 1.5rem;
        }

        .badge {
            font-weight: 600;
            letter-spacing: 0.02em;
            border-radius: var(--radius-sm);
            padding: 0.35em 0.7em;
        }
        .bg-accent {
            background-color: var(--color-accent) !important;
        }
        .text-accent {
            color: var(--color-accent-dark) !important;
        }

        /* ========== HERO 秒杀闪购条 ========== */
        .hero-section {
            position: relative;
            background: linear-gradient(170deg, #1a1a2e 0%, #16213e 30%, #1a1a2e 60%, #0f0f1f 100%);
            padding: 2rem 0 4rem;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -120px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(201, 169, 110, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -80px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(201, 169, 110, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .flash-sale-strip {
            background: linear-gradient(90deg, #c0392b 0%, #e74c3c 30%, #c0392b 60%, #a93226 100%);
            color: #fff;
            padding: 0.6rem 1.5rem;
            border-radius: var(--radius-xl);
            display: inline-flex;
            align-items: center;
            gap: 0.8rem;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.04em;
            animation: flashPulse 2s ease-in-out infinite;
            margin-bottom: 1.5rem;
            flex-wrap: wrap;
            justify-content: center;
        }

        @keyframes flashPulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(231, 76, 60, 0.5);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(231, 76, 60, 0);
            }
        }

        .flash-sale-strip i {
            font-size: 1.1rem;
        }

        .countdown-timer {
            display: flex;
            gap: 0.6rem;
            align-items: center;
            flex-wrap: wrap;
        }

        .countdown-unit {
            background: rgba(0, 0, 0, 0.3);
            padding: 0.35rem 0.6rem;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1.1rem;
            min-width: 42px;
            text-align: center;
            letter-spacing: 0.03em;
        }

        .countdown-sep {
            font-weight: 700;
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.03em;
            line-height: 1.25;
            margin-bottom: 0.8rem;
        }

        .hero-title span {
            color: var(--color-accent-light);
            position: relative;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            margin-bottom: 1.8rem;
            max-width: 550px;
        }

        .hero-cta-btn {
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            padding: 0.9rem 2.2rem;
            border-radius: var(--radius-xl);
            letter-spacing: 0.04em;
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            border: none;
            cursor: pointer;
            box-shadow: 0 6px 24px rgba(201, 169, 110, 0.35);
        }

        .hero-cta-btn:hover {
            background: var(--color-accent-dark);
            box-shadow: 0 10px 32px rgba(201, 169, 110, 0.5);
            transform: translateY(-2px);
            color: #fff;
        }

        .hero-tournament-card {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-xl);
            padding: 1.8rem;
            color: #fff;
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
            transition: all var(--transition-base);
        }

        .hero-tournament-card:hover {
            border-color: rgba(201, 169, 110, 0.5);
            box-shadow: 0 20px 48px rgba(0, 0, 0, 0.4);
        }

        .hero-tournament-card .tournament-badge {
            background: var(--color-accent);
            color: #1a1a2e;
            font-weight: 700;
            font-size: 0.8rem;
            padding: 0.3rem 0.8rem;
            border-radius: var(--radius-sm);
            display: inline-block;
            letter-spacing: 0.04em;
            margin-bottom: 0.8rem;
        }

        .hero-tournament-card h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: #fff;
        }

        .hero-tournament-card .prize-pool {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-accent-light);
            letter-spacing: 0.02em;
            margin: 0.6rem 0;
        }

        .hero-tournament-card .meta-row {
            display: flex;
            gap: 1.2rem;
            flex-wrap: wrap;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 0.8rem;
        }

        .hero-tournament-card .meta-row span {
            display: flex;
            align-items: center;
            gap: 0.35rem;
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-section {
                padding: 1.5rem 0 3rem;
                min-height: auto;
            }
            .hero-tournament-card {
                margin-top: 1.5rem;
                padding: 1.2rem;
            }
            .hero-tournament-card .prize-pool {
                font-size: 1.6rem;
            }
            .flash-sale-strip {
                font-size: 0.8rem;
                padding: 0.45rem 1rem;
                gap: 0.4rem;
            }
            .countdown-unit {
                font-size: 0.9rem;
                padding: 0.25rem 0.45rem;
                min-width: 32px;
            }
        }

        /* ========== SECTION 通用 ========== */
        .section-spacing {
            padding: 4rem 0;
        }

        @media (max-width: 768px) {
            .section-spacing {
                padding: 2.5rem 0;
            }
        }

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            color: var(--color-accent-dark);
            text-transform: uppercase;
            margin-bottom: 0.6rem;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            margin-bottom: 0.8rem;
            line-height: 1.3;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-light);
            line-height: 1.75;
            max-width: 700px;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
            }
            .section-desc {
                font-size: 0.95rem;
            }
        }

        /* ========== 痛点卡片 ========== */
        .pain-card {
            background: var(--color-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            padding: 1.8rem;
            transition: all var(--transition-base);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .pain-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: #e8d5b0;
            transform: translateY(-2px);
        }

        .pain-card .pain-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: rgba(201, 169, 110, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-accent-dark);
            margin-bottom: 1rem;
        }

        .pain-card h4 {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--color-primary);
            margin-bottom: 0.5rem;
        }

        .pain-card p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.65;
            margin: 0;
        }

        /* ========== 赛事卡片 ========== */
        .tournament-card {
            background: var(--color-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-xl);
            overflow: hidden;
            transition: all var(--transition-base);
            height: 100%;
            box-shadow: var(--shadow-sm);
        }

        .tournament-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-4px);
            border-color: #e0d5b8;
        }

        .tournament-card .card-img-wrap {
            position: relative;
            height: 200px;
            overflow: hidden;
            background: var(--color-bg-alt);
        }

        .tournament-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .tournament-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }

        .tournament-card .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 0.78rem;
            padding: 0.3rem 0.7rem;
            border-radius: var(--radius-sm);
            letter-spacing: 0.03em;
            z-index: 2;
        }

        .tournament-card .card-body-custom {
            padding: 1.3rem 1.5rem 1.5rem;
        }

        .tournament-card h3 {
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--color-primary);
            margin-bottom: 0.4rem;
            line-height: 1.4;
        }

        .tournament-card .card-meta {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            margin-bottom: 0.6rem;
        }

        .tournament-card .card-prize {
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--color-accent-dark);
            margin: 0.5rem 0;
        }

        .tournament-card .card-footer-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 0.8rem;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        /* ========== 数据展示 ========== */
        .stat-block {
            text-align: center;
            padding: 1.5rem;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }

        .stat-block:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-accent-dark);
            letter-spacing: 0.02em;
            line-height: 1.2;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-top: 0.3rem;
            font-weight: 500;
        }

        /* ========== 流程步骤 ========== */
        .step-card {
            background: var(--color-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            padding: 1.8rem;
            text-align: center;
            transition: all var(--transition-base);
            height: 100%;
            position: relative;
        }

        .step-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: #e0d5b8;
        }

        .step-number {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            font-weight: 800;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            letter-spacing: 0.03em;
            box-shadow: 0 4px 16px rgba(201, 169, 110, 0.3);
        }

        .step-card h4 {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-primary);
            margin-bottom: 0.4rem;
        }

        .step-card p {
            font-size: 0.88rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== 证言卡片 ========== */
        .testimonial-card {
            background: var(--color-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-xl);
            padding: 1.8rem;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            height: 100%;
            position: relative;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: #e0d5b8;
        }

        .testimonial-card .quote-icon {
            font-size: 2rem;
            color: var(--color-accent-light);
            opacity: 0.5;
            margin-bottom: 0.8rem;
            line-height: 1;
        }

        .testimonial-card .testimonial-text {
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.7;
            font-style: italic;
            margin-bottom: 1rem;
        }

        .testimonial-card .testimonial-author {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-primary);
        }

        .testimonial-card .testimonial-role {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        /* ========== FAQ ========== */
        .faq-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            background: var(--color-white);
            margin-bottom: 0.8rem;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: #e0d5b8;
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            padding: 1.1rem 1.5rem;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            background: none;
            width: 100%;
            text-align: left;
            border: none;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--color-accent-dark);
        }

        .faq-question i {
            transition: transform var(--transition-fast);
            color: var(--color-text-muted);
            font-size: 0.9rem;
        }

        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
            color: var(--color-accent-dark);
        }

        .faq-answer {
            padding: 0 1.5rem 1.1rem;
            font-size: 0.92rem;
            color: var(--color-text-light);
            line-height: 1.7;
            display: none;
        }

        .faq-answer.show {
            display: block;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(160deg, #1a1a2e 0%, #16213e 100%);
            padding: 4rem 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(201, 169, 110, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h2 {
            color: #fff;
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: 0.03em;
            margin-bottom: 0.8rem;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto 1.8rem;
            line-height: 1.7;
        }

        .cta-btn-large {
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 1.15rem;
            padding: 1rem 2.8rem;
            border-radius: var(--radius-xl);
            letter-spacing: 0.04em;
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            transition: all var(--transition-base);
            box-shadow: 0 8px 28px rgba(201, 169, 110, 0.4);
            border: none;
            cursor: pointer;
        }

        .cta-btn-large:hover {
            background: var(--color-accent-dark);
            box-shadow: 0 12px 36px rgba(201, 169, 110, 0.55);
            transform: translateY(-3px);
            color: #fff;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: var(--color-text-inverse);
            padding: 3rem 0 1.5rem;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-accent-light);
            margin-bottom: 0.6rem;
            letter-spacing: 0.03em;
        }

        .footer-brand p {
            color: rgba(245, 245, 240, 0.65);
            line-height: 1.7;
            font-size: 0.88rem;
        }

        .footer-col h4 {
            font-weight: 700;
            font-size: 0.95rem;
            color: #fff;
            margin-bottom: 0.8rem;
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 0.45rem;
        }

        .footer-col ul li a {
            color: rgba(245, 245, 240, 0.65);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            font-size: 0.8rem;
            color: rgba(245, 245, 240, 0.5);
        }

        .footer-bottom a {
            color: rgba(245, 245, 240, 0.55);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-accent-light);
        }

        /* ========== 通用动画 ========== */
        .fade-in-up {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }
        .fade-in-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ========== 响应式补充 ========== */
        @media (max-width: 576px) {
            .hero-cta-btn {
                width: 100%;
                justify-content: center;
                font-size: 1rem;
                padding: 0.75rem 1.5rem;
            }
            .cta-btn-large {
                width: 100%;
                justify-content: center;
                font-size: 1rem;
                padding: 0.8rem 1.8rem;
            }
            .stat-number {
                font-size: 1.8rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #1a1a2e;
            --color-primary-light: #16213e;
            --color-accent: #c9a96e;
            --color-accent-dark: #b8944f;
            --color-accent-light: #e0c88a;
            --color-gold: #d4a853;
            --color-bg: #fafaf8;
            --color-bg-alt: #f5f2ec;
            --color-bg-dark: #1a1a2e;
            --color-text: #2c2c2c;
            --color-text-light: #5a5a5a;
            --color-text-muted: #8a8a8a;
            --color-text-inverse: #f5f5f0;
            --color-border: #e8e4dc;
            --color-border-light: #f0ece6;
            --color-white: #ffffff;
            --color-success: #3a7d5a;
            --color-warning: #d4a853;
            --color-danger: #c0392b;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 10px 32px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.06);
            --shadow-inner: inset 0 2px 8px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', system-ui, -apple-system, sans-serif;
            --font-serif: 'Noto Serif SC', 'STSong', 'Songti SC', 'SimSun', serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
            line-height: 1.6;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
            letter-spacing: 0.01em;
            margin: 0;
            padding: 0;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 0.6rem 0.9rem;
            font-size: 0.95rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--color-white);
            width: 100%;
        }

        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.12);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 1rem;
            }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 1.5rem;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: -0.02em;
        }

        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            flex-wrap: wrap;
            justify-content: center;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 0.45rem 0.85rem;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-light);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: var(--color-accent-dark);
            background: rgba(201, 169, 110, 0.06);
        }

        .nav-links a.active {
            color: var(--color-accent-dark);
            background: rgba(201, 169, 110, 0.12);
            font-weight: 600;
        }

        .nav-links .nav-cta {
            background: var(--color-accent);
            color: #fff !important;
            padding: 0.5rem 1.2rem;
            border-radius: var(--radius-md);
            font-weight: 600;
            transition: all var(--transition-base);
            box-shadow: 0 2px 8px rgba(201, 169, 110, 0.3);
        }

        .nav-links .nav-cta:hover {
            background: var(--color-accent-dark);
            box-shadow: 0 4px 16px rgba(201, 169, 110, 0.4);
            transform: translateY(-1px);
        }

        /* 进度步骤导航条 */
        .progress-steps-nav {
            background: var(--color-bg-alt);
            border-bottom: 1px solid var(--color-border-light);
            padding: 0.6rem 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        .progress-steps-nav::-webkit-scrollbar {
            height: 3px;
        }

        .progress-steps-nav::-webkit-scrollbar-thumb {
            background: var(--color-border);
            border-radius: 3px;
        }

        .progress-steps-inner {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            min-width: max-content;
            justify-content: center;
            flex-wrap: nowrap;
        }

        .progress-step-item {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.4rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-text-muted);
            transition: all var(--transition-fast);
            white-space: nowrap;
            cursor: pointer;
            background: transparent;
            border: 2px solid transparent;
        }

        .progress-step-item:hover {
            color: var(--color-accent-dark);
            background: rgba(201, 169, 110, 0.08);
            border-color: var(--color-accent-light);
        }

        .progress-step-item .step-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-border);
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }

        .progress-step-item.completed .step-dot {
            background: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(201, 169, 110, 0.2);
        }

        .progress-step-item.active-step {
            color: var(--color-accent-dark);
            font-weight: 600;
            background: rgba(201, 169, 110, 0.1);
            border-color: var(--color-accent);
        }

        .progress-step-item.active-step .step-dot {
            background: var(--color-accent-dark);
            box-shadow: 0 0 0 6px rgba(201, 169, 110, 0.25);
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 4px rgba(201, 169, 110, 0.2);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(201, 169, 110, 0.05);
            }
        }

        .progress-step-connector {
            width: 28px;
            height: 2px;
            background: var(--color-border);
            flex-shrink: 0;
            border-radius: 1px;
            transition: background var(--transition-base);
        }

        .progress-step-connector.done {
            background: var(--color-accent);
        }

        /* 移动端导航 */
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 0.4rem;
            cursor: pointer;
            transition: color var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            color: var(--color-accent);
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 0.1rem;
            }
            .nav-links a {
                padding: 0.4rem 0.6rem;
                font-size: 0.82rem;
            }
            .progress-step-item {
                padding: 0.35rem 0.7rem;
                font-size: 0.78rem;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 1rem;
                gap: 0.3rem;
                border-bottom: 1px solid var(--color-border-light);
                box-shadow: var(--shadow-lg);
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 0.6rem 1rem;
                font-size: 0.9rem;
                border-radius: var(--radius-md);
            }
            .progress-steps-inner {
                justify-content: flex-start;
                padding: 0 0.5rem;
            }
            .progress-step-item {
                font-size: 0.75rem;
                padding: 0.3rem 0.6rem;
            }
            .progress-step-connector {
                width: 16px;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                height: 56px;
                gap: 0.8rem;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
            .logo-text {
                font-size: 1.05rem;
            }
            .nav-links {
                top: 56px;
            }
            .progress-step-item {
                font-size: 0.7rem;
                padding: 0.25rem 0.5rem;
            }
            .progress-step-connector {
                width: 10px;
            }
        }

        /* ========== 板块通用样式 ========== */
        .section {
            padding: 4rem 0;
        }

        .section-sm {
            padding: 2.5rem 0;
        }

        .section-lg {
            padding: 5.5rem 0;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-light);
            margin-bottom: 2.5rem;
            max-width: 650px;
            line-height: 1.7;
        }

        .section-title-center {
            text-align: center;
        }

        .section-title-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        @media (max-width: 768px) {
            .section {
                padding: 2.5rem 0;
            }
            .section-lg {
                padding: 3.5rem 0;
            }
            .section-title {
                font-size: 1.65rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 1.8rem;
            }
        }

        /* ========== 按钮系统 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.8rem;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
            white-space: nowrap;
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(201, 169, 110, 0.35);
        }

        .btn-primary:hover {
            background: var(--color-accent-dark);
            box-shadow: 0 6px 22px rgba(201, 169, 110, 0.45);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-accent-dark);
            border: 2px solid var(--color-accent);
        }

        .btn-outline:hover {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent-dark);
            transform: translateY(-2px);
        }

        .btn-lg {
            padding: 0.9rem 2.4rem;
            font-size: 1.05rem;
            border-radius: var(--radius-lg);
        }

        .btn-sm {
            padding: 0.5rem 1.2rem;
            font-size: 0.85rem;
            border-radius: var(--radius-sm);
        }

        /* ========== 卡片系统 ========== */
        .card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }

        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-accent-light);
        }

        .card-body {
            padding: 1.5rem;
        }

        .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }

        /* ========== 标签系统 ========== */
        .tag {
            display: inline-block;
            padding: 0.3rem 0.75rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            background: var(--color-bg-alt);
            color: var(--color-text-light);
            letter-spacing: 0.02em;
        }

        .tag-accent {
            background: rgba(201, 169, 110, 0.15);
            color: var(--color-accent-dark);
            font-weight: 600;
        }

        .tag-success {
            background: rgba(58, 125, 90, 0.1);
            color: var(--color-success);
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            background: var(--color-bg-dark);
            overflow: hidden;
            padding: 3rem 0;
        }

        .hero-bg-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.35;
            z-index: 0;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.88) 0%, rgba(22, 33, 62, 0.78) 50%, rgba(26, 26, 46, 0.85) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
            color: var(--color-text-inverse);
        }

        .hero-content h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 1rem;
            letter-spacing: 0.03em;
            color: #fff;
        }

        .hero-content h1 .accent {
            color: var(--color-accent-light);
        }

        .hero-content .hero-desc {
            font-size: 1.15rem;
            color: rgba(245, 245, 240, 0.85);
            margin-bottom: 2rem;
            line-height: 1.7;
            max-width: 560px;
        }

        .hero-stats-row {
            display: flex;
            gap: 2rem;
            margin-top: 2rem;
            flex-wrap: wrap;
        }

        .hero-stat {
            text-align: center;
            padding: 0.8rem 1.5rem;
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(4px);
        }

        .hero-stat .stat-num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-accent-light);
            line-height: 1;
        }

        .hero-stat .stat-label {
            font-size: 0.85rem;
            color: rgba(245, 245, 240, 0.7);
            margin-top: 0.3rem;
        }

        @media (max-width: 768px) {
            .hero-section {
                min-height: 400px;
                padding: 2rem 0;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .hero-content .hero-desc {
                font-size: 1rem;
            }
            .hero-stats-row {
                gap: 1rem;
            }
            .hero-stat {
                padding: 0.6rem 1rem;
            }
            .hero-stat .stat-num {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.6rem;
            }
            .hero-stats-row {
                flex-direction: column;
                gap: 0.6rem;
            }
            .hero-stat {
                text-align: left;
                display: flex;
                align-items: center;
                gap: 1rem;
            }
        }

        /* ========== 痛点区块 ========== */
        .pain-points-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .pain-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 1.8rem;
            border: 1px solid var(--color-border-light);
            border-left: 4px solid var(--color-danger);
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }

        .pain-card:hover {
            box-shadow: var(--shadow-md);
            border-left-color: #e74c3c;
        }

        .pain-card .pain-icon {
            font-size: 2rem;
            color: var(--color-danger);
            margin-bottom: 0.8rem;
        }

        .pain-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 0.5rem;
        }

        .pain-card p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin: 0;
        }

        @media (max-width: 768px) {
            .pain-points-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .pain-points-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 解决方案高亮 ========== */
        .solution-highlight {
            background: var(--color-bg-alt);
            border-radius: var(--radius-2xl);
            padding: 3rem;
            position: relative;
            overflow: hidden;
        }

        .solution-highlight::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(201, 169, 110, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .solution-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
            position: relative;
            z-index: 1;
        }

        .solution-item {
            display: flex;
            gap: 1rem;
            align-items: flex-start;
        }

        .solution-item .sol-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: var(--color-white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--color-accent-dark);
            flex-shrink: 0;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
        }

        .solution-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 0.3rem;
        }

        .solution-item p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            margin: 0;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .solution-highlight {
                padding: 2rem 1.5rem;
            }
            .solution-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
        }

        /* ========== 游戏卡片网格 ========== */
        .game-cards-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .game-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
            cursor: pointer;
        }

        .game-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-6px);
            border-color: var(--color-accent-light);
        }

        .game-card .game-card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 4 / 3;
        }

        .game-card .game-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .game-card:hover .game-card-img-wrap img {
            transform: scale(1.06);
        }

        .game-card .game-card-badge {
            position: absolute;
            top: 10px;
            right: 10px;
            background: var(--color-accent);
            color: #fff;
            padding: 0.25rem 0.7rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            z-index: 2;
        }

        .game-card .game-card-body {
            padding: 1.2rem;
        }

        .game-card .game-card-body h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 0.4rem;
        }

        .game-card .game-card-body p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.5;
        }

        .game-card .game-card-meta {
            display: flex;
            gap: 0.8rem;
            margin-top: 0.6rem;
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }

        @media (max-width: 1024px) {
            .game-cards-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 768px) {
            .game-cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
        }

        @media (max-width: 520px) {
            .game-cards-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.8rem;
            }
            .game-card .game-card-body {
                padding: 0.8rem;
            }
            .game-card .game-card-body h4 {
                font-size: 0.9rem;
            }
        }

        /* ========== 数据带 ========== */
        .stats-strip {
            background: var(--color-bg-dark);
            padding: 3rem 0;
            color: var(--color-text-inverse);
        }

        .stats-strip-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            text-align: center;
        }

        .stats-strip-item .ss-num {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--color-accent-light);
            line-height: 1;
            letter-spacing: 0.02em;
        }

        .stats-strip-item .ss-label {
            font-size: 0.95rem;
            color: rgba(245, 245, 240, 0.7);
            margin-top: 0.5rem;
        }

        @media (max-width: 768px) {
            .stats-strip-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
            .stats-strip-item .ss-num {
                font-size: 2rem;
            }
        }

        @media (max-width: 520px) {
            .stats-strip-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }
            .stats-strip-item .ss-num {
                font-size: 1.6rem;
            }
        }

        /* ========== 流程区块 ========== */
        .flow-steps {
            display: flex;
            gap: 1.5rem;
            align-items: stretch;
            flex-wrap: nowrap;
            overflow-x: auto;
            padding-bottom: 0.5rem;
        }

        .flow-step-card {
            flex: 1;
            min-width: 220px;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            text-align: center;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            position: relative;
        }

        .flow-step-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-accent-light);
        }

        .flow-step-card .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
            margin: 0 auto 1rem;
        }

        .flow-step-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 0.5rem;
        }

        .flow-step-card p {
            font-size: 0.85rem;
            color: var(--color-text-light);
            margin: 0;
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .flow-steps {
                gap: 1rem;
            }
            .flow-step-card {
                min-width: 180px;
                padding: 1.5rem 1rem;
            }
        }

        /* ========== 证言区块 ========== */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .testimonial-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 1.8rem;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            position: relative;
        }

        .testimonial-card::before {
            content: '"';
            position: absolute;
            top: 0.5rem;
            left: 1.2rem;
            font-size: 4rem;
            color: rgba(201, 169, 110, 0.2);
            font-family: var(--font-serif);
            line-height: 1;
            pointer-events: none;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .testimonial-card .test-text {
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.7;
            margin-bottom: 1rem;
            position: relative;
            z-index: 1;
        }

        .testimonial-card .test-author {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            border-top: 1px solid var(--color-border-light);
            padding-top: 0.8rem;
        }

        .test-author-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--color-accent-dark);
            font-size: 0.9rem;
        }

        .test-author-info .ta-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-primary);
        }

        .test-author-info .ta-role {
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }

        @media (max-width: 768px) {
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
            padding: 1.2rem 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .faq-item:first-child {
            border-top: 1px solid var(--color-border-light);
        }

        .faq-item .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--color-primary);
            gap: 1rem;
        }

        .faq-item .faq-question i {
            transition: transform var(--transition-base);
            color: var(--color-accent);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            font-size: 0.95rem;
            color: var(--color-text-light);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 0.8rem;
        }

        .faq-item:hover {
            background: rgba(201, 169, 110, 0.03);
        }

        /* ========== CTA 区块 ========== */
        .cta-section-full {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            padding: 4rem 0;
            text-align: center;
            color: var(--color-text-inverse);
            position: relative;
            overflow: hidden;
        }

        .cta-section-full::before {
            content: '';
            position: absolute;
            top: -80px;
            left: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(201, 169, 110, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section-full::after {
            content: '';
            position: absolute;
            bottom: -60px;
            right: -60px;
            width: 250px;
            height: 250px;
            background: radial-gradient(circle, rgba(201, 169, 110, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section-full .cta-inner {
            position: relative;
            z-index: 1;
            max-width: 650px;
            margin: 0 auto;
        }

        .cta-section-full h2 {
            font-size: 2.4rem;
            font-weight: 800;
            margin-bottom: 1rem;
            color: #fff;
        }

        .cta-section-full p {
            font-size: 1.1rem;
            color: rgba(245, 245, 240, 0.8);
            margin-bottom: 2rem;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .cta-section-full {
                padding: 3rem 1rem;
            }
            .cta-section-full h2 {
                font-size: 1.7rem;
            }
            .cta-section-full p {
                font-size: 0.95rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: var(--color-text-inverse);
            padding: 3rem 0 1.5rem;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-brand .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            color: var(--color-accent-light);
            letter-spacing: 0.03em;
        }

        .footer-brand p {
            color: rgba(245, 245, 240, 0.65);
            line-height: 1.7;
            font-size: 0.85rem;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 0.8rem;
            color: var(--color-accent-light);
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 0.4rem;
        }

        .footer-col ul li a {
            color: rgba(245, 245, 240, 0.65);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            font-size: 0.8rem;
            color: rgba(245, 245, 240, 0.5);
        }

        .footer-bottom a {
            color: rgba(245, 245, 240, 0.5);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-accent-light);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
        }

        /* ========== 动效辅助 ========== */
        .fade-in-up {
            animation: fadeInUp 0.6s ease forwards;
            opacity: 0;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .delay-1 {
            animation-delay: 0.1s;
        }
        .delay-2 {
            animation-delay: 0.2s;
        }
        .delay-3 {
            animation-delay: 0.3s;
        }
        .delay-4 {
            animation-delay: 0.4s;
        }

        /* 平滑滚动偏移 */
        .scroll-offset {
            scroll-margin-top: 130px;
        }

        @media (max-width: 768px) {
            .scroll-offset {
                scroll-margin-top: 110px;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #1a1a2e;
            --color-primary-light: #16213e;
            --color-accent: #c9a96e;
            --color-accent-dark: #b8944f;
            --color-accent-light: #e0c88a;
            --color-gold: #d4a853;
            --color-bg: #fafaf8;
            --color-bg-alt: #f5f2ec;
            --color-bg-dark: #1a1a2e;
            --color-text: #2c2c2c;
            --color-text-light: #5a5a5a;
            --color-text-muted: #8a8a8a;
            --color-text-inverse: #f5f5f0;
            --color-border: #e8e4dc;
            --color-border-light: #f0ece6;
            --color-white: #ffffff;
            --color-success: #3a7d5a;
            --color-warning: #d4a853;
            --color-danger: #c0392b;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 10px 32px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.06);
            --shadow-inner: inset 0 2px 8px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', system-ui, -apple-system, sans-serif;
            --font-serif: 'Noto Serif SC', 'STSong', 'Songti SC', 'SimSun', serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
            line-height: 1.6;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
            letter-spacing: 0.01em;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 0.6rem 0.9rem;
            font-size: 0.95rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--color-white);
            width: 100%;
        }

        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.12);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 1.5rem;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: -0.02em;
        }

        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            flex-wrap: wrap;
            justify-content: center;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 0.45rem 0.85rem;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-light);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: var(--color-primary);
            background: var(--color-bg-alt);
        }

        .nav-links a.active {
            color: var(--color-accent-dark);
            background: rgba(201, 169, 110, 0.1);
            font-weight: 600;
        }

        .nav-links .nav-cta {
            background: var(--color-accent);
            color: var(--color-white) !important;
            padding: 0.5rem 1.2rem;
            border-radius: 50px;
            font-weight: 600;
            transition: all var(--transition-base);
            box-shadow: 0 2px 8px rgba(201, 169, 110, 0.3);
        }

        .nav-links .nav-cta:hover {
            background: var(--color-accent-dark);
            box-shadow: 0 4px 16px rgba(201, 169, 110, 0.45);
            transform: translateY(-1px);
            color: var(--color-white) !important;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            padding: 0.4rem;
            cursor: pointer;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            background: var(--color-bg-alt);
        }

        /* ========== 进度步骤导航条 ========== */
        .step-progress-bar {
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border-light);
            padding: 0;
            position: sticky;
            top: 64px;
            z-index: 999;
            box-shadow: var(--shadow-sm);
        }

        .step-progress-inner {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0;
            max-width: 900px;
            margin: 0 auto;
            padding: 0.6rem 1rem;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .step-progress-inner::-webkit-scrollbar {
            display: none;
        }

        .step-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 1.2rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-text-muted);
            white-space: nowrap;
            cursor: pointer;
            transition: all var(--transition-base);
            position: relative;
            flex-shrink: 0;
        }

        .step-item:hover {
            color: var(--color-primary);
            background: var(--color-bg-alt);
        }

        .step-item .step-num {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.8rem;
            background: var(--color-border-light);
            color: var(--color-text-muted);
            transition: all var(--transition-base);
            flex-shrink: 0;
        }

        .step-item.active .step-num {
            background: var(--color-accent);
            color: var(--color-white);
            box-shadow: 0 2px 8px rgba(201, 169, 110, 0.35);
        }

        .step-item.active {
            color: var(--color-accent-dark);
            font-weight: 600;
        }

        .step-connector {
            width: 32px;
            height: 2px;
            background: var(--color-border);
            flex-shrink: 0;
            border-radius: 1px;
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-attachment: fixed;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 26, 46, 0.82) 0%, rgba(22, 33, 62, 0.88) 50%, rgba(26, 26, 46, 0.94) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 4rem 1.5rem;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(201, 169, 110, 0.2);
            color: var(--color-accent-light);
            border: 1px solid rgba(201, 169, 110, 0.35);
            padding: 0.4rem 1.2rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 1.5rem;
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            color: var(--color-white);
            letter-spacing: 0.03em;
            line-height: 1.2;
            margin-bottom: 1rem;
            font-family: var(--font-serif);
        }

        .hero-title .accent {
            color: var(--color-accent-light);
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(245, 245, 240, 0.85);
            margin-bottom: 2rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        /* 倒计时条 */
        .countdown-bar {
            display: inline-flex;
            align-items: center;
            gap: 1rem;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-xl);
            padding: 0.8rem 1.8rem;
            margin-bottom: 2rem;
            backdrop-filter: blur(8px);
        }

        .countdown-label {
            color: rgba(245, 245, 240, 0.8);
            font-size: 0.85rem;
            font-weight: 500;
            white-space: nowrap;
        }

        .countdown-timer {
            display: flex;
            gap: 0.5rem;
            align-items: center;
        }

        .countdown-unit {
            display: flex;
            flex-direction: column;
            align-items: center;
            min-width: 40px;
        }

        .countdown-num {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-accent-light);
            font-variant-numeric: tabular-nums;
            font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
            line-height: 1;
        }

        .countdown-sep {
            color: rgba(245, 245, 240, 0.5);
            font-size: 1.3rem;
            font-weight: 300;
        }

        .countdown-label-sm {
            font-size: 0.7rem;
            color: rgba(245, 245, 240, 0.55);
            margin-top: 2px;
        }

        .hero-buttons {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            justify-content: center;
        }

        .btn-hero-primary {
            background: var(--color-accent);
            color: var(--color-white);
            padding: 0.85rem 2.2rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            box-shadow: 0 6px 20px rgba(201, 169, 110, 0.35);
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-hero-primary:hover {
            background: var(--color-accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(201, 169, 110, 0.5);
            color: var(--color-white);
        }

        .btn-hero-outline {
            background: transparent;
            color: var(--color-white);
            padding: 0.85rem 2.2rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.02em;
            border: 2px solid rgba(255, 255, 255, 0.55);
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-hero-outline:hover {
            border-color: var(--color-white);
            background: rgba(255, 255, 255, 0.1);
            color: var(--color-white);
            transform: translateY(-2px);
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: 5rem 0;
        }

        .section-alt {
            background: var(--color-bg-alt);
        }

        .section-dark {
            background: var(--color-bg-dark);
            color: var(--color-text-inverse);
        }

        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-accent-dark);
            margin-bottom: 0.6rem;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            margin-bottom: 0.8rem;
            font-family: var(--font-serif);
            line-height: 1.3;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--color-text-light);
            max-width: 650px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-dark .section-title {
            color: var(--color-text-inverse);
        }

        .section-dark .section-desc {
            color: rgba(245, 245, 240, 0.7);
        }

        .section-dark .section-label {
            color: var(--color-accent-light);
        }

        /* ========== 痛点卡片 ========== */
        .pain-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-base);
            border: 1px solid var(--color-border-light);
            height: 100%;
            text-align: center;
        }

        .pain-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-accent-light);
        }

        .pain-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(192, 57, 43, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.2rem;
            font-size: 1.5rem;
            color: var(--color-danger);
            transition: all var(--transition-base);
        }

        .pain-card:hover .pain-icon {
            background: rgba(192, 57, 43, 0.15);
            transform: scale(1.08);
        }

        .pain-card h4 {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 0.6rem;
            color: var(--color-primary);
        }

        .pain-card p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== 解决方案卡片 ========== */
        .solution-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 2rem;
            box-shadow: var(--shadow-md);
            border-left: 4px solid var(--color-accent);
            transition: all var(--transition-base);
            height: 100%;
            display: flex;
            gap: 1.2rem;
            align-items: flex-start;
        }

        .solution-card:hover {
            transform: translateX(4px);
            box-shadow: var(--shadow-lg);
        }

        .solution-icon-circle {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(58, 125, 90, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1.3rem;
            color: var(--color-success);
        }

        .solution-card h4 {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 0.4rem;
            color: var(--color-primary);
        }

        .solution-card p {
            font-size: 0.88rem;
            color: var(--color-text-light);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== 步骤详解卡片 ========== */
        .step-detail-card {
            background: var(--color-white);
            border-radius: var(--radius-xl);
            padding: 2.5rem 2rem;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-base);
            height: 100%;
            position: relative;
            overflow: hidden;
            border: 1px solid var(--color-border-light);
        }

        .step-detail-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-xl);
            border-color: var(--color-accent-light);
        }

        .step-detail-num {
            font-size: 4rem;
            font-weight: 800;
            color: rgba(201, 169, 110, 0.15);
            position: absolute;
            top: 10px;
            right: 20px;
            line-height: 1;
            font-family: var(--font-serif);
            pointer-events: none;
        }

        .step-detail-card h4 {
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 0.8rem;
            color: var(--color-primary);
            position: relative;
            z-index: 1;
        }

        .step-detail-card p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            margin: 0;
            line-height: 1.7;
            position: relative;
            z-index: 1;
        }

        .step-detail-card .step-tag {
            display: inline-block;
            background: var(--color-accent);
            color: var(--color-white);
            padding: 0.25rem 0.8rem;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 0.8rem;
            position: relative;
            z-index: 1;
        }

        /* ========== 游戏推荐卡片 ========== */
        .game-reco-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-base);
            height: 100%;
            border: 1px solid var(--color-border-light);
        }

        .game-reco-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
            border-color: var(--color-accent-light);
        }

        .game-reco-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-bottom: 2px solid var(--color-border-light);
        }

        .game-reco-body {
            padding: 1.5rem;
        }

        .game-reco-body h4 {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 0.5rem;
            color: var(--color-primary);
        }

        .game-reco-body p {
            font-size: 0.85rem;
            color: var(--color-text-light);
            margin: 0;
            line-height: 1.6;
        }

        .game-reco-body .difficulty-badge {
            display: inline-block;
            padding: 0.2rem 0.7rem;
            border-radius: 50px;
            font-size: 0.7rem;
            font-weight: 600;
            margin-top: 0.6rem;
        }

        .badge-easy {
            background: #e8f5e9;
            color: #2e7d32;
        }

        .badge-medium {
            background: #fff8e1;
            color: #f57f17;
        }

        .badge-hard {
            background: #fce4ec;
            color: #c62828;
        }

        /* ========== 特色功能卡 ========== */
        .feature-card-horiz {
            display: flex;
            gap: 1.5rem;
            align-items: flex-start;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 1.8rem;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            border: 1px solid transparent;
            height: 100%;
        }

        .feature-card-horiz:hover {
            border-color: var(--color-accent-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .feature-icon-sq {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1.3rem;
            color: var(--color-accent-light);
        }

        .feature-card-horiz h4 {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 0.3rem;
            color: var(--color-primary);
        }

        .feature-card-horiz p {
            font-size: 0.85rem;
            color: var(--color-text-light);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== 证言卡片 ========== */
        .testimonial-card {
            background: var(--color-white);
            border-radius: var(--radius-xl);
            padding: 2rem;
            box-shadow: var(--shadow-md);
            position: relative;
            border: 1px solid var(--color-border-light);
            height: 100%;
            transition: all var(--transition-base);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .testimonial-card .quote-mark {
            font-size: 3rem;
            color: var(--color-accent-light);
            line-height: 1;
            font-family: var(--font-serif);
            opacity: 0.5;
            margin-bottom: 0.5rem;
        }

        .testimonial-card .quote-text {
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.7;
            margin-bottom: 1.2rem;
            font-style: italic;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }

        .testimonial-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--color-accent-dark);
            flex-shrink: 0;
            font-size: 0.9rem;
        }

        .testimonial-author strong {
            font-size: 0.9rem;
            color: var(--color-primary);
        }

        .testimonial-author span {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            display: block;
        }

        /* ========== FAQ ========== */
        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
            padding: 1.2rem 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .faq-item:first-child {
            border-top: 1px solid var(--color-border-light);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            gap: 1rem;
            transition: color var(--transition-fast);
        }

        .faq-item:hover .faq-question {
            color: var(--color-accent-dark);
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 0.7rem;
            transition: all var(--transition-base);
            color: var(--color-text-muted);
        }

        .faq-item.open .faq-icon {
            background: var(--color-accent);
            color: var(--color-white);
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 0.8rem;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            padding: 4.5rem 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(201, 169, 110, 0.06);
            top: -100px;
            right: -80px;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(201, 169, 110, 0.04);
            bottom: -80px;
            left: -60px;
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 1;
        }

        .cta-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 1rem;
            font-family: var(--font-serif);
        }

        .cta-desc {
            color: rgba(245, 245, 240, 0.8);
            font-size: 1rem;
            margin-bottom: 2rem;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-large {
            background: var(--color-accent);
            color: var(--color-white);
            padding: 0.9rem 2.8rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            box-shadow: 0 8px 24px rgba(201, 169, 110, 0.4);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            border: none;
        }

        .btn-cta-large:hover {
            background: var(--color-accent-dark);
            transform: translateY(-3px);
            box-shadow: 0 14px 36px rgba(201, 169, 110, 0.55);
            color: var(--color-white);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: var(--color-text-inverse);
            padding: 3.5rem 0 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }

        .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-accent-light);
            margin-bottom: 0.8rem;
            letter-spacing: 0.03em;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: rgba(245, 245, 240, 0.6);
            line-height: 1.7;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 1rem;
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 0.5rem;
            font-size: 0.85rem;
            color: rgba(245, 245, 240, 0.6);
        }

        .footer-col ul li a {
            color: rgba(245, 245, 240, 0.6);
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            font-size: 0.8rem;
            color: rgba(245, 245, 240, 0.45);
        }

        .footer-bottom a {
            color: rgba(245, 245, 240, 0.5);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-accent-light);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1200px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr 1fr;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.4rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .nav-links {
                gap: 0;
            }
            .nav-links a {
                padding: 0.35rem 0.6rem;
                font-size: 0.8rem;
            }
            .step-progress-bar {
                top: 64px;
            }
            .step-item {
                padding: 0.4rem 0.8rem;
                font-size: 0.78rem;
            }
            .step-connector {
                width: 20px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 56px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 56px;
                left: 0;
                right: 0;
                background: var(--color-white);
                flex-direction: column;
                padding: 1rem;
                box-shadow: var(--shadow-lg);
                border-bottom: 2px solid var(--color-border-light);
                z-index: 999;
                gap: 0.3rem;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 0.6rem 1rem;
                border-radius: var(--radius-sm);
                font-size: 0.9rem;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .step-progress-bar {
                top: 56px;
            }
            .step-progress-inner {
                justify-content: flex-start;
                gap: 0;
            }
            .step-item {
                padding: 0.35rem 0.6rem;
                font-size: 0.72rem;
            }
            .step-item .step-num {
                width: 22px;
                height: 22px;
                font-size: 0.7rem;
            }
            .step-connector {
                width: 14px;
            }
            .hero-section {
                min-height: 480px;
                background-attachment: scroll;
            }
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .countdown-bar {
                flex-direction: column;
                gap: 0.5rem;
                padding: 0.7rem 1.2rem;
            }
            .countdown-num {
                font-size: 1.3rem;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                width: 100%;
                max-width: 280px;
                justify-content: center;
            }
            .section {
                padding: 3rem 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .solution-card {
                flex-direction: column;
                align-items: flex-start;
                padding: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.6rem;
            }
            .cta-title {
                font-size: 1.5rem;
            }
            .feature-card-horiz {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-section {
                min-height: 400px;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .step-item {
                font-size: 0.68rem;
                padding: 0.3rem 0.5rem;
            }
            .step-item .step-num {
                width: 20px;
                height: 20px;
                font-size: 0.65rem;
            }
            .step-connector {
                width: 10px;
            }
            .countdown-unit {
                min-width: 30px;
            }
            .countdown-num {
                font-size: 1.1rem;
            }
            .pain-card,
            .step-detail-card,
            .game-reco-card,
            .testimonial-card {
                padding: 1.2rem;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #1a1a2e;
            --color-primary-light: #16213e;
            --color-accent: #c9a96e;
            --color-accent-dark: #b8944f;
            --color-accent-light: #e0c88a;
            --color-gold: #d4a853;
            --color-bg: #fafaf8;
            --color-bg-alt: #f5f2ec;
            --color-bg-dark: #1a1a2e;
            --color-text: #2c2c2c;
            --color-text-light: #5a5a5a;
            --color-text-muted: #8a8a8a;
            --color-text-inverse: #f5f5f0;
            --color-border: #e8e4dc;
            --color-border-light: #f0ece6;
            --color-white: #ffffff;
            --color-success: #3a7d5a;
            --color-warning: #d4a853;
            --color-danger: #c0392b;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 10px 32px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.06);
            --shadow-inner: inset 0 2px 8px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', system-ui, -apple-system, sans-serif;
            --font-serif: 'Noto Serif SC', 'STSong', 'Songti SC', 'SimSun', serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
            line-height: 1.6;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
            letter-spacing: 0.01em;
            margin: 0;
            padding: 0;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 0.6rem 0.9rem;
            font-size: 0.95rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--color-white);
            width: 100%;
        }

        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.12);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 1rem;
            }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 1.5rem;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: -0.02em;
        }

        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            flex-wrap: wrap;
            justify-content: center;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 0.45rem 0.85rem;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-light);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: var(--color-primary);
            background: rgba(26, 26, 46, 0.04);
        }

        .nav-links a.active {
            color: var(--color-accent-dark);
            font-weight: 600;
            background: rgba(201, 169, 110, 0.08);
        }

        .nav-links .nav-cta {
            background: var(--color-accent);
            color: #fff !important;
            font-weight: 600;
            padding: 0.5rem 1.2rem;
            border-radius: var(--radius-md);
            margin-left: 0.5rem;
            transition: all var(--transition-base);
            box-shadow: 0 2px 8px rgba(201, 169, 110, 0.25);
        }

        .nav-links .nav-cta:hover {
            background: var(--color-accent-dark);
            box-shadow: 0 4px 16px rgba(201, 169, 110, 0.35);
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            padding: 0.5rem;
            cursor: pointer;
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 0.1rem;
            }
            .nav-links a {
                padding: 0.4rem 0.55rem;
                font-size: 0.82rem;
            }
            .nav-links .nav-cta {
                padding: 0.4rem 0.85rem;
                margin-left: 0.2rem;
            }
        }

        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                flex-direction: column;
                padding: 1rem;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                gap: 0.3rem;
                z-index: 999;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 0.7rem 1rem;
                font-size: 0.95rem;
                justify-content: center;
            }
            .nav-links .nav-cta {
                margin-left: 0;
                margin-top: 0.3rem;
            }
        }

        /* ========== SECTION SPACING ========== */
        .section {
            padding: 4rem 0;
        }
        .section-sm {
            padding: 2.5rem 0;
        }
        .section-lg {
            padding: 5.5rem 0;
        }

        @media (max-width: 768px) {
            .section {
                padding: 2.5rem 0;
            }
            .section-lg {
                padding: 3.5rem 0;
            }
        }

        /* ========== BUTTONS ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-weight: 600;
            border-radius: var(--radius-md);
            padding: 0.75rem 1.75rem;
            font-size: 0.95rem;
            transition: all var(--transition-base);
            cursor: pointer;
            border: none;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(201, 169, 110, 0.3);
        }
        .btn-primary:hover {
            background: var(--color-accent-dark);
            box-shadow: 0 6px 22px rgba(201, 169, 110, 0.4);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--color-accent);
            color: var(--color-accent-dark);
        }
        .btn-outline:hover {
            background: var(--color-accent);
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-dark {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(26, 26, 46, 0.25);
        }
        .btn-dark:hover {
            background: var(--color-primary-light);
            box-shadow: 0 6px 22px rgba(26, 26, 46, 0.35);
            transform: translateY(-2px);
        }
        .btn-lg {
            padding: 0.9rem 2.2rem;
            font-size: 1.05rem;
            border-radius: var(--radius-lg);
        }
        @media (max-width: 520px) {
            .btn {
                padding: 0.65rem 1.3rem;
                font-size: 0.88rem;
            }
            .btn-lg {
                padding: 0.75rem 1.6rem;
                font-size: 0.95rem;
            }
        }

        /* ========== CARDS ========== */
        .card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }
        .card-accent {
            border-left: 4px solid var(--color-accent);
        }

        /* ========== BADGE ========== */
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 0.3rem 0.75rem;
            border-radius: 100px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.03em;
        }
        .badge-accent {
            background: rgba(201, 169, 110, 0.15);
            color: var(--color-accent-dark);
        }
        .badge-dark {
            background: rgba(26, 26, 46, 0.08);
            color: var(--color-primary);
        }
        .badge-success {
            background: rgba(58, 125, 90, 0.12);
            color: var(--color-success);
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            background: var(--color-bg-dark);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(26, 26, 46, 0.88) 0%, rgba(22, 33, 62, 0.75) 50%, rgba(26, 26, 46, 0.9) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
            width: 100%;
        }
        .hero-text h1 {
            font-size: 2.8rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 1.2rem;
            letter-spacing: 0.03em;
        }
        .hero-text h1 .highlight {
            color: var(--color-accent-light);
            position: relative;
        }
        .hero-text p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 1.8rem;
            max-width: 480px;
        }
        .hero-actions {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .hero-booking-card {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-xl);
            padding: 2rem;
            color: #fff;
        }
        .hero-booking-card h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--color-accent-light);
        }
        .hero-booking-card .time-slots {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0.6rem;
            margin: 1.2rem 0;
        }
        .time-slot {
            padding: 0.6rem 0.8rem;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.2);
            text-align: center;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            color: rgba(255, 255, 255, 0.85);
            background: rgba(255, 255, 255, 0.03);
        }
        .time-slot:hover {
            border-color: var(--color-accent);
            background: rgba(201, 169, 110, 0.15);
            color: #fff;
        }
        .time-slot.selected {
            border-color: var(--color-accent);
            background: rgba(201, 169, 110, 0.25);
            color: #fff;
            font-weight: 600;
        }

        @media (max-width: 768px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .hero-text h1 {
                font-size: 2rem;
            }
            .hero-text p {
                font-size: 1rem;
            }
            .hero-section {
                min-height: auto;
                padding: 3rem 0;
            }
            .hero-booking-card {
                padding: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .hero-text h1 {
                font-size: 1.6rem;
            }
            .time-slots {
                grid-template-columns: 1fr;
            }
        }

        /* ========== PAIN POINT SECTION ========== */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .pain-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 1.8rem;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .pain-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--color-danger), #e74c3c);
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .pain-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .pain-card:hover::before {
            opacity: 1;
        }
        .pain-card .icon-circle {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            margin-bottom: 1rem;
            background: rgba(192, 57, 43, 0.08);
            color: var(--color-danger);
        }
        .pain-card h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--color-primary);
        }
        .pain-card p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .pain-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
        }

        /* ========== SOLUTION SECTION ========== */
        .solution-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        .solution-image-wrap {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
            position: relative;
        }
        .solution-image-wrap img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .solution-text h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        .solution-text .accent-line {
            width: 60px;
            height: 3px;
            background: var(--color-accent);
            margin-bottom: 1.2rem;
            border-radius: 2px;
        }
        .solution-text p {
            font-size: 1rem;
            color: var(--color-text-light);
            line-height: 1.75;
            margin-bottom: 1.5rem;
        }
        .solution-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .solution-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.7rem;
            margin-bottom: 0.8rem;
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.5;
        }
        .solution-list li i {
            color: var(--color-success);
            margin-top: 0.15rem;
            flex-shrink: 0;
        }

        @media (max-width: 768px) {
            .solution-block {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .solution-text h2 {
                font-size: 1.5rem;
            }
        }

        /* ========== SKILL CARDS ========== */
        .skill-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .skill-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .skill-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-4px);
        }
        .skill-card .card-img {
            height: 180px;
            overflow: hidden;
        }
        .skill-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .skill-card:hover .card-img img {
            transform: scale(1.06);
        }
        .skill-card .card-body {
            padding: 1.3rem;
        }
        .skill-card .card-body h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 0.4rem;
        }
        .skill-card .card-body p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        @media (max-width: 1024px) {
            .skill-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .skill-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== RESULTS SECTION ========== */
        .results-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            text-align: center;
        }
        .result-item {
            padding: 1.5rem;
        }
        .result-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--color-accent-dark);
            font-family: var(--font-serif);
            line-height: 1;
            margin-bottom: 0.4rem;
        }
        .result-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }

        @media (max-width: 768px) {
            .results-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            .result-number {
                font-size: 2.2rem;
            }
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .testimonial-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 1.8rem;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            position: relative;
        }
        .testimonial-card::after {
            content: '\201C';
            position: absolute;
            top: 0.5rem;
            right: 1.2rem;
            font-size: 4rem;
            color: rgba(201, 169, 110, 0.15);
            font-family: var(--font-serif);
            line-height: 1;
            pointer-events: none;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .testimonial-card .stars {
            color: var(--color-gold);
            margin-bottom: 0.8rem;
            font-size: 0.9rem;
        }
        .testimonial-card p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin-bottom: 1rem;
            font-style: italic;
        }
        .testimonial-card .author {
            font-weight: 600;
            color: var(--color-primary);
            font-size: 0.9rem;
        }
        .testimonial-card .author-role {
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }

        @media (max-width: 768px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== STEPS ========== */
        .steps-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            position: relative;
        }
        .step-card {
            text-align: center;
            padding: 1.8rem 1.2rem;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            position: relative;
        }
        .step-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 1rem;
            transition: all var(--transition-base);
        }
        .step-card:hover .step-number {
            background: var(--color-accent-dark);
            box-shadow: 0 6px 20px rgba(201, 169, 110, 0.35);
        }
        .step-card h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 0.4rem;
        }
        .step-card p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .steps-flow {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .steps-flow {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
            padding: 1.2rem 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-bottom-color: var(--color-accent);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--color-primary);
            gap: 1rem;
        }
        .faq-question i {
            transition: transform var(--transition-fast);
            color: var(--color-accent);
            font-size: 0.9rem;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.65;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 0.8rem;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--color-bg-dark);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            z-index: 0;
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        .cta-inner p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 2rem;
            line-height: 1.7;
        }
        .cta-form {
            display: flex;
            gap: 0.8rem;
            max-width: 500px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 0.85rem 1.2rem;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 0.95rem;
        }
        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .cta-form input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.2);
            background: rgba(255, 255, 255, 0.12);
        }

        @media (max-width: 520px) {
            .cta-inner h2 {
                font-size: 1.5rem;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form input {
                min-width: 100%;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.7);
            padding: 3rem 0 1.5rem;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.8rem;
        }
        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-col h4 {
            color: #fff;
            font-weight: 600;
            margin-bottom: 0.8rem;
            font-size: 0.95rem;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.45rem;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--color-accent-light);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ========== SECTION HEADERS ========== */
        .section-header {
            text-align: center;
            margin-bottom: 2.5rem;
        }
        .section-header .badge {
            margin-bottom: 0.8rem;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 0.6rem;
            line-height: 1.3;
        }
        .section-header p {
            font-size: 1rem;
            color: var(--color-text-muted);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .section-header h2 {
                font-size: 1.5rem;
            }
        }

        /* ========== ANIMATIONS ========== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .fade-in-up {
            animation: fadeInUp 0.6s ease forwards;
        }
        .fade-in-up-delay-1 {
            animation-delay: 0.1s;
            opacity: 0;
            animation-fill-mode: forwards;
        }
        .fade-in-up-delay-2 {
            animation-delay: 0.2s;
            opacity: 0;
            animation-fill-mode: forwards;
        }
        .fade-in-up-delay-3 {
            animation-delay: 0.3s;
            opacity: 0;
            animation-fill-mode: forwards;
        }

/* roulang page: category5 */
:root {
            --color-primary: #1a1a2e;
            --color-primary-light: #16213e;
            --color-accent: #c9a96e;
            --color-accent-dark: #b8944f;
            --color-accent-light: #e0c88a;
            --color-gold: #d4a853;
            --color-bg: #fafaf8;
            --color-bg-alt: #f5f2ec;
            --color-bg-dark: #1a1a2e;
            --color-text: #2c2c2c;
            --color-text-light: #5a5a5a;
            --color-text-muted: #8a8a8a;
            --color-text-inverse: #f5f5f0;
            --color-border: #e8e4dc;
            --color-border-light: #f0ece6;
            --color-white: #ffffff;
            --color-success: #3a7d5a;
            --color-warning: #d4a853;
            --color-danger: #c0392b;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 10px 32px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.06);
            --shadow-inner: inset 0 2px 8px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', system-ui, -apple-system, sans-serif;
            --font-serif: 'Noto Serif SC', 'STSong', 'Songti SC', 'SimSun', serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
            line-height: 1.6;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
            letter-spacing: 0.01em;
            margin: 0;
            padding: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 0.6rem 0.9rem;
            font-size: 0.95rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--color-white);
            width: 100%;
        }

        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.12);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 1rem;
            }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 1.5rem;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: -0.02em;
        }

        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            flex-wrap: wrap;
            justify-content: center;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 0.45rem 0.85rem;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-light);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: var(--color-accent-dark);
            background: rgba(201, 169, 110, 0.06);
        }

        .nav-links a.active {
            color: var(--color-accent-dark);
            font-weight: 600;
            background: rgba(201, 169, 110, 0.1);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .nav-cta {
            background: var(--color-accent) !important;
            color: #fff !important;
            padding: 0.5rem 1.2rem !important;
            border-radius: var(--radius-md) !important;
            font-weight: 600 !important;
            transition: all var(--transition-base) !important;
            box-shadow: 0 2px 8px rgba(201, 169, 110, 0.3);
        }

        .nav-cta:hover {
            background: var(--color-accent-dark) !important;
            box-shadow: 0 4px 16px rgba(201, 169, 110, 0.4) !important;
            transform: translateY(-1px);
        }

        .nav-cta::after {
            display: none !important;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 0.4rem;
            cursor: pointer;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .mobile-toggle:hover {
            background: var(--color-border-light);
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 0.1rem;
            }
            .nav-links a {
                padding: 0.4rem 0.6rem;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 0.75rem 1rem;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                gap: 0.3rem;
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 0.6rem 1rem;
                border-radius: var(--radius-sm);
                font-size: 0.95rem;
                justify-content: center;
            }
            .nav-cta {
                margin-top: 0.3rem;
                text-align: center;
                justify-content: center;
            }
        }

        /* ========== PROGRESS STEPS BAR ========== */
        .progress-steps-bar {
            background: var(--color-bg-alt);
            border-bottom: 1px solid var(--color-border-light);
            padding: 1rem 0;
            position: sticky;
            top: 64px;
            z-index: 900;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            background: rgba(245, 242, 236, 0.9);
        }

        .progress-steps {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0;
            flex-wrap: nowrap;
            list-style: none;
            margin: 0;
            padding: 0;
            position: relative;
        }

        .progress-steps::before {
            content: '';
            position: absolute;
            top: 22px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: var(--color-border);
            z-index: 0;
            border-radius: 1px;
        }

        .progress-step {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.4rem;
            position: relative;
            z-index: 1;
            flex: 1;
            max-width: 160px;
            text-align: center;
            cursor: pointer;
            transition: all var(--transition-base);
            padding: 0.3rem 0.5rem;
            border-radius: var(--radius-md);
        }

        .progress-step:hover {
            background: rgba(201, 169, 110, 0.05);
        }

        .progress-step .step-dot {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-white);
            border: 3px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-text-muted);
            transition: all var(--transition-base);
            flex-shrink: 0;
        }

        .progress-step.completed .step-dot {
            background: var(--color-accent);
            border-color: var(--color-accent);
            color: #fff;
        }

        .progress-step.active-step .step-dot {
            background: var(--color-primary);
            border-color: var(--color-accent);
            color: var(--color-accent);
            box-shadow: 0 0 0 6px rgba(201, 169, 110, 0.15);
            animation: stepPulse 2s ease-in-out infinite;
        }

        @keyframes stepPulse {
            0%,
            100% {
                box-shadow: 0 0 0 6px rgba(201, 169, 110, 0.15);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(201, 169, 110, 0.05);
            }
        }

        .progress-step .step-label {
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .progress-step.active-step .step-label {
            color: var(--color-primary);
            font-weight: 600;
        }

        .progress-step.completed .step-label {
            color: var(--color-accent-dark);
        }

        @media (max-width: 768px) {
            .progress-steps-bar {
                padding: 0.6rem 0;
                top: 56px;
            }
            .progress-steps::before {
                top: 16px;
                left: 5%;
                right: 5%;
            }
            .progress-step .step-dot {
                width: 32px;
                height: 32px;
                font-size: 0.8rem;
                border-width: 2px;
            }
            .progress-step .step-label {
                font-size: 0.65rem;
            }
            .progress-step {
                max-width: 90px;
                padding: 0.2rem;
            }
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 40%, #1a2744 100%);
            overflow: hidden;
            isolation: isolate;
        }

        .hero-bg-img {
            position: absolute;
            inset: 0;
            z-index: 0;
            object-fit: cover;
            width: 100%;
            height: 100%;
            opacity: 0.22;
            mix-blend-mode: overlay;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: radial-gradient(ellipse at 70% 50%, rgba(201, 169, 110, 0.12) 0%, transparent 60%),
                radial-gradient(ellipse at 30% 30%, rgba(255, 255, 255, 0.03) 0%, transparent 50%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: 4rem 0;
            max-width: 700px;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(201, 169, 110, 0.2);
            color: var(--color-accent-light);
            padding: 0.4rem 1.1rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            margin-bottom: 1.25rem;
            border: 1px solid rgba(201, 169, 110, 0.3);
        }

        .hero-section h1 {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 1rem;
            letter-spacing: 0.01em;
        }

        .hero-section h1 .accent {
            color: var(--color-accent-light);
        }

        .hero-subtitle {
            font-size: 1.2rem;
            color: rgba(245, 245, 240, 0.85);
            line-height: 1.7;
            margin-bottom: 2rem;
            max-width: 560px;
        }

        .hero-btns {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .btn-hero-primary {
            background: var(--color-accent);
            color: #fff;
            padding: 0.85rem 2rem;
            border-radius: var(--radius-lg);
            font-weight: 700;
            font-size: 1.05rem;
            transition: all var(--transition-base);
            box-shadow: 0 6px 24px rgba(201, 169, 110, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            border: none;
        }

        .btn-hero-primary:hover {
            background: var(--color-accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(201, 169, 110, 0.45);
            color: #fff;
        }

        .btn-hero-outline {
            background: transparent;
            color: #fff;
            padding: 0.85rem 2rem;
            border-radius: var(--radius-lg);
            font-weight: 600;
            font-size: 1.05rem;
            border: 2px solid rgba(255, 255, 255, 0.4);
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-hero-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        .hero-visual-card {
            position: relative;
            z-index: 2;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-xl);
            padding: 2rem;
            backdrop-filter: blur(8px);
            display: flex;
            flex-direction: column;
            gap: 1rem;
            max-width: 340px;
        }

        .hero-visual-card .stat-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0.5rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .hero-visual-card .stat-row:last-child {
            border-bottom: none;
        }

        .hero-visual-card .stat-label {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.85rem;
        }

        .hero-visual-card .stat-value {
            color: var(--color-accent-light);
            font-weight: 700;
            font-size: 1.1rem;
        }

        @media (max-width: 768px) {
            .hero-section {
                min-height: auto;
            }
            .hero-section h1 {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-content {
                padding: 2.5rem 0;
            }
            .hero-visual-card {
                max-width: 100%;
                margin-top: 1.5rem;
            }
            .hero-btns {
                flex-direction: column;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                justify-content: center;
                width: 100%;
            }
        }

        /* ========== SECTION STYLES ========== */
        section {
            padding: 4.5rem 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-accent-dark);
            margin-bottom: 0.6rem;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 0.75rem;
            line-height: 1.25;
            letter-spacing: 0.01em;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-light);
            line-height: 1.7;
            max-width: 650px;
            margin-bottom: 2rem;
        }

        @media (max-width: 768px) {
            section {
                padding: 2.5rem 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-desc {
                font-size: 0.95rem;
            }
        }

        /* ========== COMPARISON TABLE ========== */
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            max-width: 900px;
            margin: 0 auto;
        }

        .comparison-card {
            border-radius: var(--radius-xl);
            padding: 2.5rem 2rem;
            transition: all var(--transition-base);
            position: relative;
        }

        .comparison-card.regular {
            background: var(--color-white);
            border: 2px solid var(--color-border);
            box-shadow: var(--shadow-sm);
        }

        .comparison-card.vip {
            background: linear-gradient(160deg, #1a1a2e 0%, #1e2d4a 100%);
            border: 2px solid var(--color-accent);
            box-shadow: var(--shadow-xl);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .comparison-card.vip::before {
            content: '';
            position: absolute;
            top: -30px;
            right: -30px;
            width: 100px;
            height: 100px;
            background: var(--color-accent);
            border-radius: 50%;
            opacity: 0.15;
        }

        .comparison-card.vip .vip-badge-ribbon {
            position: absolute;
            top: 16px;
            right: -28px;
            background: var(--color-accent);
            color: #fff;
            padding: 0.3rem 2.5rem;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            transform: rotate(45deg);
            box-shadow: var(--shadow-md);
        }

        .comparison-card h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 1.25rem;
        }

        .comparison-card.regular h3 {
            color: var(--color-text);
        }

        .comparison-card.vip h3 {
            color: var(--color-accent-light);
        }

        .comparison-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .comparison-list li {
            padding: 0.6rem 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 0.95rem;
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        }

        .comparison-card.vip .comparison-list li {
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .comparison-list li:last-child {
            border-bottom: none;
        }

        .icon-check {
            color: var(--color-success);
            font-size: 0.9rem;
        }

        .icon-cross {
            color: var(--color-danger);
            font-size: 0.9rem;
        }

        .comparison-card.vip .icon-check {
            color: var(--color-accent-light);
        }

        @media (max-width: 768px) {
            .comparison-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .comparison-card {
                padding: 1.5rem;
            }
        }

        /* ========== TIER CARDS ========== */
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
            margin-top: 2rem;
        }

        .tier-card {
            background: var(--color-white);
            border-radius: var(--radius-xl);
            padding: 2rem 1.5rem;
            text-align: center;
            border: 2px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
            box-shadow: var(--shadow-sm);
        }

        .tier-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-accent);
        }

        .tier-card.featured {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-lg);
            background: linear-gradient(180deg, #fffdf7 0%, #fff 100%);
            position: relative;
            overflow: hidden;
        }

        .tier-card.featured::after {
            content: '热门推荐';
            position: absolute;
            top: 14px;
            right: -26px;
            background: var(--color-accent);
            color: #fff;
            padding: 0.25rem 2rem;
            font-size: 0.7rem;
            font-weight: 700;
            transform: rotate(45deg);
            letter-spacing: 0.04em;
        }

        .tier-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            margin: 0 auto 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
        }

        .tier-bronze .tier-icon {
            background: #f5ebe0;
            color: #b87333;
        }
        .tier-silver .tier-icon {
            background: #eef2f5;
            color: #7a8b99;
        }
        .tier-gold .tier-icon {
            background: #fdf4e0;
            color: #c9a96e;
        }
        .tier-diamond .tier-icon {
            background: #eef0ff;
            color: #4a5ac7;
        }

        .tier-card h4 {
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 0.5rem;
            color: var(--color-primary);
        }

        .tier-price {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-accent-dark);
            margin: 0.5rem 0;
        }

        .tier-price span {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-text-muted);
        }

        .tier-features {
            list-style: none;
            padding: 0;
            margin: 1rem 0;
            text-align: left;
        }

        .tier-features li {
            padding: 0.35rem 0;
            font-size: 0.85rem;
            color: var(--color-text-light);
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .tier-features li i {
            color: var(--color-success);
            font-size: 0.75rem;
        }

        .btn-tier {
            display: inline-block;
            width: 100%;
            padding: 0.7rem 1rem;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-base);
            border: 2px solid var(--color-accent);
            background: transparent;
            color: var(--color-accent-dark);
        }

        .btn-tier:hover {
            background: var(--color-accent);
            color: #fff;
            box-shadow: var(--shadow-md);
        }

        .btn-tier.featured-btn {
            background: var(--color-accent);
            color: #fff;
            box-shadow: var(--shadow-md);
        }

        .btn-tier.featured-btn:hover {
            background: var(--color-accent-dark);
            box-shadow: var(--shadow-lg);
        }

        @media (max-width: 1024px) {
            .tier-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .tier-grid {
                grid-template-columns: 1fr;
                max-width: 380px;
                margin-left: auto;
                margin-right: auto;
            }
        }

        /* ========== PRIVILEGE CARDS ========== */
        .privilege-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .privilege-card {
            background: var(--color-white);
            border-radius: var(--radius-xl);
            padding: 2rem 1.5rem;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            position: relative;
            overflow: hidden;
        }

        .privilege-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-accent);
        }

        .privilege-card .priv-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-accent-dark);
            flex-shrink: 0;
        }

        .privilege-card h4 {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--color-primary);
            margin: 0;
        }

        .privilege-card p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin: 0;
        }

        .privilege-card .priv-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 0.2rem 0.7rem;
            border-radius: 50px;
            background: rgba(201, 169, 110, 0.12);
            color: var(--color-accent-dark);
            letter-spacing: 0.03em;
            align-self: flex-start;
        }

        @media (max-width: 992px) {
            .privilege-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .privilege-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== STATS BANNER ========== */
        .stats-banner {
            background: var(--color-bg-dark);
            padding: 3.5rem 0;
            position: relative;
            overflow: hidden;
        }

        .stats-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(201, 169, 110, 0.08) 0%, transparent 50%);
            pointer-events: none;
        }

        .stats-row {
            display: flex;
            justify-content: space-around;
            flex-wrap: wrap;
            gap: 2rem;
            position: relative;
            z-index: 1;
        }

        .stat-item {
            text-align: center;
            flex: 1;
            min-width: 140px;
        }

        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--color-accent-light);
            line-height: 1;
            letter-spacing: -0.02em;
        }

        .stat-number .plus {
            font-size: 1.5rem;
            color: var(--color-accent);
        }

        .stat-label {
            font-size: 0.95rem;
            color: rgba(245, 245, 240, 0.75);
            margin-top: 0.5rem;
            font-weight: 500;
        }

        @media (max-width: 768px) {
            .stat-number {
                font-size: 2rem;
            }
            .stats-row {
                gap: 1.5rem;
            }
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .testimonial-card {
            background: var(--color-white);
            border-radius: var(--radius-xl);
            padding: 2rem;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            position: relative;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .testimonial-card .quote-icon {
            font-size: 2.5rem;
            color: var(--color-accent-light);
            opacity: 0.5;
            line-height: 1;
            margin-bottom: 0.5rem;
        }

        .testimonial-card .testimonial-text {
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.7;
            margin-bottom: 1.25rem;
            font-style: italic;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .testimonial-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--color-accent-dark);
            font-size: 1rem;
            flex-shrink: 0;
        }

        .testimonial-author .author-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-primary);
        }

        .testimonial-author .author-tier {
            font-size: 0.75rem;
            color: var(--color-accent-dark);
            font-weight: 500;
        }

        @media (max-width: 992px) {
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            margin-bottom: 0.75rem;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            padding: 1.25rem 1.5rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            transition: background var(--transition-fast);
            user-select: none;
            background: none;
            width: 100%;
            text-align: left;
            border: none;
            outline: none;
        }

        .faq-question:hover {
            background: rgba(201, 169, 110, 0.04);
        }

        .faq-question .faq-icon {
            transition: transform var(--transition-base);
            color: var(--color-accent);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 1.5rem 1.25rem;
            color: var(--color-text-light);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(160deg, var(--color-primary) 0%, #1a2744 100%);
            padding: 4rem 0;
            position: relative;
            overflow: hidden;
            isolation: isolate;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            z-index: 0;
            background: radial-gradient(ellipse at 60% 40%, rgba(201, 169, 110, 0.1) 0%, transparent 55%);
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 650px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 1rem;
            line-height: 1.25;
        }

        .cta-content p {
            font-size: 1.1rem;
            color: rgba(245, 245, 240, 0.8);
            margin-bottom: 2rem;
            line-height: 1.7;
        }

        .btn-cta-large {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 1rem 2.5rem;
            border-radius: var(--radius-xl);
            font-weight: 700;
            font-size: 1.1rem;
            transition: all var(--transition-base);
            box-shadow: 0 8px 28px rgba(201, 169, 110, 0.35);
            border: none;
            letter-spacing: 0.02em;
        }

        .btn-cta-large:hover {
            background: var(--color-accent-dark);
            transform: translateY(-3px);
            box-shadow: 0 14px 40px rgba(201, 169, 110, 0.5);
            color: #fff;
        }

        @media (max-width: 768px) {
            .cta-content h2 {
                font-size: 1.6rem;
            }
            .cta-content p {
                font-size: 0.95rem;
            }
            .btn-cta-large {
                padding: 0.8rem 2rem;
                font-size: 1rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(245, 245, 240, 0.8);
            padding: 3rem 0 1.5rem;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.75rem;
            letter-spacing: 0.03em;
        }

        .footer-brand p {
            color: rgba(245, 245, 240, 0.6);
            font-size: 0.85rem;
            line-height: 1.6;
        }

        .footer-col h4 {
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 0.4rem;
        }

        .footer-col ul li a {
            color: rgba(245, 245, 240, 0.6);
            transition: color var(--transition-fast);
            font-size: 0.85rem;
        }

        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 0.8rem;
            font-size: 0.8rem;
            color: rgba(245, 245, 240, 0.5);
        }

        .footer-bottom a {
            color: rgba(245, 245, 240, 0.6);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-accent-light);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== IMAGE BLOCK ========== */
        .img-block {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .img-block img {
            width: 100%;
            height: auto;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .img-block:hover img {
            transform: scale(1.03);
        }

        /* ========== BG ALT SECTION ========== */
        .bg-alt {
            background: var(--color-bg-alt);
        }

        /* ========== ANIMATIONS ========== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-on-scroll {
            animation: fadeInUp 0.6s ease-out forwards;
        }

        /* Bootstrap overrides */
        .btn {
            border-radius: var(--radius-md);
            font-weight: 600;
            transition: all var(--transition-base);
        }
        .btn:focus {
            box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.2);
            outline: none;
        }

/* roulang page: category6 */
:root {
            --color-primary: #1a1a2e;
            --color-primary-light: #16213e;
            --color-accent: #c9a96e;
            --color-accent-dark: #b8944f;
            --color-accent-light: #e0c88a;
            --color-gold: #d4a853;
            --color-bg: #fafaf8;
            --color-bg-alt: #f5f2ec;
            --color-bg-dark: #1a1a2e;
            --color-text: #2c2c2c;
            --color-text-light: #5a5a5a;
            --color-text-muted: #8a8a8a;
            --color-text-inverse: #f5f5f0;
            --color-border: #e8e4dc;
            --color-border-light: #f0ece6;
            --color-white: #ffffff;
            --color-success: #3a7d5a;
            --color-warning: #d4a853;
            --color-danger: #c0392b;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 10px 32px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.06);
            --shadow-inner: inset 0 2px 8px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', system-ui, -apple-system, sans-serif;
            --font-serif: 'Noto Serif SC', 'STSong', 'Songti SC', 'SimSun', serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
            line-height: 1.6;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
            letter-spacing: 0.01em;
            margin: 0;
            padding: 0;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 0.6rem 0.9rem;
            font-size: 0.95rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--color-white);
            width: 100%;
        }

        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.12);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 1rem;
            }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 1.5rem;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.15rem;
            list-style: none;
            flex-wrap: wrap;
            justify-content: center;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 0.4rem 0.75rem;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-light);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: var(--color-primary);
            background: rgba(201, 169, 110, 0.08);
        }

        .nav-links a.active {
            color: var(--color-accent-dark);
            font-weight: 600;
            background: rgba(201, 169, 110, 0.12);
        }

        .nav-links a.nav-cta {
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            padding: 0.5rem 1.1rem;
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            margin-left: 0.3rem;
        }

        .nav-links a.nav-cta:hover {
            background: var(--color-accent-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            cursor: pointer;
            padding: 0.3rem;
            line-height: 1;
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 0;
            }
            .nav-links a {
                padding: 0.35rem 0.55rem;
                font-size: 0.8rem;
            }
            .nav-links a.nav-cta {
                padding: 0.4rem 0.8rem;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 1rem;
                gap: 0.3rem;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                z-index: 999;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                justify-content: center;
                padding: 0.6rem 1rem;
                font-size: 0.95rem;
                border-radius: var(--radius-md);
            }
            .nav-links a.nav-cta {
                margin-left: 0;
                margin-top: 0.3rem;
                padding: 0.7rem 1.2rem;
            }
        }

        /* ========== HERO - 视频官网风格 ========== */
        .hero-video {
            position: relative;
            width: 100%;
            min-height: 620px;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            background: var(--color-bg-dark);
        }

        .hero-video-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 0;
        }

        .hero-video-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 26, 46, 0.82) 0%, rgba(22, 33, 62, 0.88) 40%, rgba(26, 26, 46, 0.94) 100%);
            z-index: 1;
        }

        .hero-video-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            padding: 2rem;
        }

        .hero-play-btn {
            width: 90px;
            height: 90px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.15);
            border: 3px solid rgba(255, 255, 255, 0.5);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            position: relative;
            transition: all var(--transition-slow);
            margin-bottom: 2rem;
            animation: playPulse 2.5s ease-in-out infinite;
        }

        .hero-play-btn:hover {
            background: rgba(201, 169, 110, 0.35);
            border-color: var(--color-accent);
            transform: scale(1.06);
            box-shadow: 0 0 60px rgba(201, 169, 110, 0.4);
        }

        .hero-play-btn i {
            font-size: 2rem;
            color: #fff;
            margin-left: 4px;
            transition: transform var(--transition-base);
        }

        .hero-play-btn:hover i {
            transform: scale(1.1);
        }

        @keyframes playPulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.3);
            }
            50% {
                box-shadow: 0 0 0 28px rgba(255, 255, 255, 0);
            }
        }

        .hero-video-content h1 {
            font-size: 2.8rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.03em;
            margin-bottom: 0.8rem;
            line-height: 1.3;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
        }

        .hero-video-content .hero-subtitle {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 2rem;
            font-weight: 400;
            letter-spacing: 0.04em;
            line-height: 1.6;
        }

        .hero-cta-group {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-primary-lg {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 2rem;
            border-radius: var(--radius-lg);
            font-weight: 600;
            font-size: 1rem;
            background: var(--color-accent);
            color: #fff;
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
            border: 2px solid var(--color-accent);
        }

        .btn-primary-lg:hover {
            background: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .btn-outline-lg {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 2rem;
            border-radius: var(--radius-lg);
            font-weight: 600;
            font-size: 1rem;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
        }

        .btn-outline-lg:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        /* 进度步骤条 */
        .hero-steps {
            position: relative;
            z-index: 2;
            display: flex;
            gap: 0;
            justify-content: center;
            padding: 1.5rem 2rem 2rem;
            flex-wrap: wrap;
            margin-top: -10px;
        }

        .hero-step-item {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.7rem 1.5rem;
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-xl);
            color: rgba(255, 255, 255, 0.9);
            font-weight: 500;
            font-size: 0.9rem;
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            transition: all var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
        }

        .hero-step-item:hover {
            background: rgba(255, 255, 255, 0.16);
            border-color: rgba(255, 255, 255, 0.35);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .hero-step-num {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .hero-step-arrow {
            color: rgba(255, 255, 255, 0.4);
            font-size: 1.2rem;
            margin: 0 -0.3rem;
            align-self: center;
        }

        @media (max-width: 768px) {
            .hero-video {
                min-height: 500px;
            }
            .hero-video-content h1 {
                font-size: 1.8rem;
            }
            .hero-video-content .hero-subtitle {
                font-size: 1rem;
            }
            .hero-play-btn {
                width: 65px;
                height: 65px;
            }
            .hero-play-btn i {
                font-size: 1.4rem;
            }
            .hero-steps {
                gap: 0.5rem;
                padding: 1rem;
            }
            .hero-step-item {
                padding: 0.5rem 1rem;
                font-size: 0.78rem;
            }
            .hero-step-num {
                width: 24px;
                height: 24px;
                font-size: 0.7rem;
            }
            .hero-step-arrow {
                display: none;
            }
            .btn-primary-lg,
            .btn-outline-lg {
                padding: 0.7rem 1.5rem;
                font-size: 0.9rem;
            }
        }

        /* ========== SECTION 通用 ========== */
        .section {
            padding: 5rem 0;
        }

        .section-alt {
            background: var(--color-bg-alt);
        }

        .section-dark {
            background: var(--color-bg-dark);
            color: var(--color-text-inverse);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 0.6rem;
            letter-spacing: 0.02em;
            line-height: 1.3;
        }

        .section-dark .section-title {
            color: #fff;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-muted);
            margin-bottom: 2.5rem;
            line-height: 1.6;
            max-width: 640px;
        }

        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }

        .section-header .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        @media (max-width: 768px) {
            .section {
                padding: 3rem 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
        }

        /* ========== 痛点卡片 ========== */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .pain-card {
            background: var(--color-white);
            border-radius: var(--radius-xl);
            padding: 2rem;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .pain-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }

        .pain-card-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            background: rgba(192, 57, 43, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1rem;
            font-size: 1.4rem;
            color: var(--color-danger);
        }

        .pain-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 0.5rem;
        }

        .pain-card p {
            font-size: 0.95rem;
            color: var(--color-text-light);
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .pain-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 解决方案卡片 ========== */
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }

        .solution-card {
            background: var(--color-white);
            border-radius: var(--radius-xl);
            padding: 2rem;
            border: 1px solid var(--color-border-light);
            display: flex;
            gap: 1.2rem;
            transition: all var(--transition-base);
            align-items: flex-start;
        }

        .solution-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: var(--color-accent-light);
        }

        .solution-card-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-lg);
            background: rgba(201, 169, 110, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--color-accent-dark);
            flex-shrink: 0;
        }

        .solution-card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 0.4rem;
        }

        .solution-card-body p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .solution-grid {
                grid-template-columns: 1fr;
            }
            .solution-card {
                flex-direction: column;
                gap: 0.8rem;
            }
        }

        /* ========== 双栏布局 ========== */
        .two-col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .two-col-reverse {
            direction: rtl;
        }

        .two-col-reverse>* {
            direction: ltr;
        }

        .two-col-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .two-col-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .two-col-image:hover img {
            transform: scale(1.03);
        }

        .two-col-text h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 1rem;
            line-height: 1.3;
        }

        .two-col-text p {
            font-size: 1rem;
            color: var(--color-text-light);
            line-height: 1.7;
            margin-bottom: 1.2rem;
        }

        .two-col-text .check-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .two-col-text .check-list li {
            padding: 0.5rem 0;
            font-size: 0.95rem;
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }

        .two-col-text .check-list li i {
            color: var(--color-success);
            font-size: 1rem;
            flex-shrink: 0;
        }

        @media (max-width: 768px) {
            .two-col {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .two-col-text h2 {
                font-size: 1.4rem;
            }
        }

        /* ========== 证言卡片 ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .testimonial-card {
            background: var(--color-white);
            border-radius: var(--radius-xl);
            padding: 2rem;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .testimonial-card .quote-icon {
            font-size: 2rem;
            color: var(--color-accent-light);
            margin-bottom: 0.8rem;
            opacity: 0.6;
        }

        .testimonial-card p {
            font-size: 0.95rem;
            color: var(--color-text-light);
            line-height: 1.7;
            margin-bottom: 1.2rem;
            font-style: italic;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }

        .testimonial-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--color-accent-dark);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .testimonial-author strong {
            font-size: 0.9rem;
            color: var(--color-primary);
        }

        .testimonial-author span {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            display: block;
        }

        @media (max-width: 768px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 认证展示 ========== */
        .cert-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            text-align: center;
        }

        .cert-item {
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-xl);
            padding: 2rem 1.5rem;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition-base);
        }

        .cert-item:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.3);
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }

        .cert-icon {
            font-size: 2.5rem;
            color: var(--color-accent);
            margin-bottom: 0.8rem;
        }

        .cert-item h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 0.3rem;
        }

        .cert-item span {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.6);
        }

        @media (max-width: 768px) {
            .cert-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
        }

        @media (max-width: 480px) {
            .cert-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            margin-bottom: 0.8rem;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--color-border);
        }

        .faq-question {
            padding: 1.2rem 1.5rem;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            user-select: none;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: var(--color-bg-alt);
        }

        .faq-question i {
            transition: transform var(--transition-base);
            color: var(--color-accent);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 1.5rem;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.5rem 1.2rem;
        }

        .faq-answer p {
            font-size: 0.95rem;
            color: var(--color-text-light);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== CTA Section ========== */
        .cta-section {
            position: relative;
            padding: 5rem 0;
            background: var(--color-bg-dark);
            overflow: hidden;
            text-align: center;
        }

        .cta-section .cta-bg {
            position: absolute;
            inset: 0;
            object-fit: cover;
            opacity: 0.2;
            z-index: 0;
        }

        .cta-section .cta-content {
            position: relative;
            z-index: 1;
            max-width: 650px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
            line-height: 1.3;
        }

        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 2rem;
            line-height: 1.6;
        }

        .cta-section .btn-primary-lg {
            font-size: 1.1rem;
            padding: 1rem 2.5rem;
        }

        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
        }

        /* ========== 数据条 ========== */
        .stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            justify-content: center;
            text-align: center;
        }

        .stat-item {
            flex: 1 1 160px;
            max-width: 200px;
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-top: 0.3rem;
        }

        .section-dark .stat-label {
            color: rgba(255, 255, 255, 0.6);
        }

        @media (max-width: 768px) {
            .stat-number {
                font-size: 1.8rem;
            }
            .stats-row {
                gap: 1.2rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 3rem 0 1.5rem;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.8rem;
            letter-spacing: 0.03em;
        }

        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            margin: 0;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 0.8rem;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 0.4rem;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-accent-light);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ========== 微动效 ========== */
        .fade-in-up {
            animation: fadeInUp 0.7s ease-out forwards;
            opacity: 0;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .hover-lift {
            transition: transform var(--transition-base), box-shadow var(--transition-base);
        }

        .hover-lift:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        /* 滚动渐显 */
        .reveal {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }