/* roulang page: index */
:root {
            --brand-primary: #2563eb;
            --brand-secondary: #1d4ed8;
            --accent: #f97316;
            --surface-bg: #f8fafc;
            --text-primary: #0f172a;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --border-color: #e2e8f0;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.5rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.1);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            color: #0f172a;
            background-color: #f8fafc;
            overflow-x: hidden;
        }

        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-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (max-width: 1024px) {
            .container-custom {
                padding: 0 1.25rem;
            }
        }
        @media (max-width: 768px) {
            .container-custom {
                padding: 0 1rem;
            }
        }

        /* 导航卡片化面板 */
        .nav-panel {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.75rem 0;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .nav-logo {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #ffffff;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-logo span {
            background: linear-gradient(135deg, #60a5fa, #3b82f6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-cards {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }

        .nav-card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.55rem 1rem;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.04);
            color: #cbd5e1;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            border: 1px solid transparent;
            letter-spacing: 0.01em;
        }
        .nav-card-link:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #ffffff;
            border-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
        }
        .nav-card-link.active {
            background: rgba(59, 130, 246, 0.25);
            color: #ffffff;
            border-color: rgba(96, 165, 250, 0.5);
            font-weight: 600;
            box-shadow: 0 0 20px rgba(59, 130, 246, 0.2);
        }
        .nav-card-link.nav-home {
            background: rgba(255, 255, 255, 0.08);
            font-weight: 600;
            color: #fff;
        }
        .nav-card-link.nav-home:hover {
            background: rgba(255, 255, 255, 0.16);
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.6rem 1.5rem;
            border-radius: 2rem;
            background: linear-gradient(135deg, #f97316, #ea580c);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            box-shadow: 0 4px 18px rgba(249, 115, 22, 0.35);
            letter-spacing: 0.02em;
        }
        .nav-cta-btn:hover {
            background: linear-gradient(135deg, #fb923c, #f97316);
            box-shadow: 0 6px 24px rgba(249, 115, 22, 0.5);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .nav-inner {
                flex-wrap: wrap;
                gap: 0.5rem;
            }
            .nav-cards {
                gap: 0.35rem;
                overflow-x: auto;
                flex-wrap: nowrap;
                -webkit-overflow-scrolling: touch;
                padding-bottom: 0.25rem;
                width: 100%;
                order: 3;
            }
            .nav-card-link {
                font-size: 0.8rem;
                padding: 0.45rem 0.75rem;
                flex-shrink: 0;
            }
            .nav-cta-btn {
                font-size: 0.8rem;
                padding: 0.5rem 1.1rem;
                flex-shrink: 0;
            }
            .nav-logo {
                font-size: 1.25rem;
            }
            .nav-inner {
                padding: 0.6rem 0;
            }
        }

        /* Hero 全宽沉浸 */
        .hero-section {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 23, 42, 0.82) 0%, rgba(15, 23, 42, 0.7) 40%, rgba(15, 23, 42, 0.88) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .hero-countdown-bar {
            display: inline-flex;
            align-items: center;
            gap: 0.75rem;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 3rem;
            padding: 0.7rem 1.6rem;
            margin-bottom: 1.5rem;
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
        }
        .hero-countdown-bar .countdown-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: #f97316;
            min-width: 2.2rem;
            text-align: center;
            line-height: 1;
        }
        .hero-countdown-bar .countdown-sep {
            color: rgba(255, 255, 255, 0.5);
            font-weight: 300;
        }

        @media (max-width: 768px) {
            .hero-section {
                min-height: 70vh;
            }
            .hero-countdown-bar {
                font-size: 0.8rem;
                padding: 0.5rem 1rem;
                gap: 0.4rem;
            }
            .hero-countdown-bar .countdown-num {
                font-size: 1.2rem;
                min-width: 1.6rem;
            }
        }

        /* 板块标题 */
        .section-label {
            display: inline-block;
            padding: 0.35rem 1rem;
            border-radius: 2rem;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 0.75rem;
        }
        .section-label.brand-label {
            background: rgba(37, 99, 235, 0.1);
            color: #2563eb;
        }
        .section-label.accent-label {
            background: rgba(249, 115, 22, 0.1);
            color: #f97316;
        }

        /* 卡片 */
        .card-glow {
            background: #fff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
            border: 1px solid transparent;
            overflow: hidden;
        }
        .card-glow:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: #e2e8f0;
        }

        /* 保障图标条 */
        .guarantee-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            justify-content: center;
            align-items: center;
            padding: 2rem 1.5rem;
            background: #fff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-sm);
            border: 1px solid #e2e8f0;
        }
        .guarantee-item {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 500;
            color: #334155;
            font-size: 0.95rem;
        }
        .guarantee-icon {
            width: 2.5rem;
            height: 2.5rem;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
        }
        .guarantee-icon.blue {
            background: #eff6ff;
            color: #2563eb;
        }
        .guarantee-icon.green {
            background: #f0fdf4;
            color: #16a34a;
        }
        .guarantee-icon.orange {
            background: #fff7ed;
            color: #f97316;
        }
        .guarantee-icon.purple {
            background: #faf5ff;
            color: #9333ea;
        }
        .guarantee-icon.teal {
            background: #f0fdfa;
            color: #0d9488;
        }

        @media (max-width: 640px) {
            .guarantee-strip {
                gap: 1rem;
                padding: 1.25rem 1rem;
            }
            .guarantee-item {
                font-size: 0.85rem;
                gap: 0.4rem;
            }
            .guarantee-icon {
                width: 2rem;
                height: 2rem;
                font-size: 1rem;
            }
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid #e2e8f0;
            padding: 1.25rem 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            font-weight: 600;
            font-size: 1.05rem;
            color: #0f172a;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            color: #475569;
            line-height: 1.8;
            font-size: 0.95rem;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 0.75rem;
        }
        .faq-icon {
            transition: transform 0.3s ease;
            flex-shrink: 0;
            color: #94a3b8;
            font-size: 1.2rem;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: #2563eb;
        }

        /* 新闻卡片 */
        .news-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid #e2e8f0;
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .news-card:hover {
            box-shadow: var(--shadow-md);
            border-color: #cbd5e1;
            transform: translateY(-2px);
        }
        .news-date {
            font-size: 0.8rem;
            color: #94a3b8;
            font-weight: 500;
            letter-spacing: 0.02em;
        }
        .news-title {
            font-weight: 700;
            font-size: 1.05rem;
            color: #0f172a;
            line-height: 1.5;
        }
        .news-summary {
            font-size: 0.9rem;
            color: #64748b;
            line-height: 1.6;
        }
        .news-readmore {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            color: #2563eb;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            align-self: flex-start;
            margin-top: auto;
        }
        .news-readmore:hover {
            color: #1d4ed8;
            gap: 0.5rem;
        }

        /* 媒体精选横滚 */
        .media-scroll-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: #cbd5e1 transparent;
            padding-bottom: 0.5rem;
        }
        .media-scroll-wrap::-webkit-scrollbar {
            height: 6px;
        }
        .media-scroll-wrap::-webkit-scrollbar-track {
            background: transparent;
        }
        .media-scroll-wrap::-webkit-scrollbar-thumb {
            background: #cbd5e1;
            border-radius: 3px;
        }
        .media-scroll-inner {
            display: flex;
            gap: 1rem;
            min-width: max-content;
        }
        .media-card {
            flex: 0 0 280px;
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid #e2e8f0;
            transition: all var(--transition-smooth);
        }
        .media-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .media-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }
        .media-card-body {
            padding: 1rem;
        }
        .media-card-tag {
            font-size: 0.75rem;
            padding: 0.2rem 0.6rem;
            border-radius: 1rem;
            background: #eff6ff;
            color: #2563eb;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 0.4rem;
        }
        .media-card-title {
            font-weight: 600;
            font-size: 0.95rem;
            color: #0f172a;
            line-height: 1.4;
        }

        @media (max-width: 640px) {
            .media-card {
                flex: 0 0 220px;
            }
            .media-card img {
                height: 130px;
            }
        }

        /* 底部固定CTA */
        .bottom-sticky-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: #fff;
            border-top: 1px solid #e2e8f0;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
            padding: 0.75rem 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .bottom-sticky-cta .cta-text {
            font-weight: 600;
            font-size: 0.95rem;
            color: #0f172a;
        }
        .bottom-sticky-cta .cta-btn {
            padding: 0.65rem 2rem;
            border-radius: 2rem;
            background: linear-gradient(135deg, #2563eb, #1d4ed8);
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 16px rgba(37, 99, 235, 0.35);
            letter-spacing: 0.02em;
        }
        .bottom-sticky-cta .cta-btn:hover {
            box-shadow: 0 6px 24px rgba(37, 99, 235, 0.5);
            transform: translateY(-2px);
        }
        .bottom-sticky-cta .cta-btn-outline {
            padding: 0.6rem 1.8rem;
            border-radius: 2rem;
            background: #fff;
            color: #2563eb;
            border: 2px solid #2563eb;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
        }
        .bottom-sticky-cta .cta-btn-outline:hover {
            background: #eff6ff;
        }

        @media (max-width: 640px) {
            .bottom-sticky-cta {
                gap: 0.5rem;
                padding: 0.6rem 0.75rem;
            }
            .bottom-sticky-cta .cta-text {
                font-size: 0.8rem;
            }
            .bottom-sticky-cta .cta-btn {
                font-size: 0.8rem;
                padding: 0.5rem 1.4rem;
            }
            .bottom-sticky-cta .cta-btn-outline {
                font-size: 0.8rem;
                padding: 0.45rem 1.2rem;
            }
        }

        /* 合集目录卡片 */
        .collection-card {
            background: #fff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid #e2e8f0;
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }
        .collection-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .collection-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .collection-card-body {
            padding: 1.25rem;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
        }
        .collection-count {
            font-size: 0.8rem;
            color: #f97316;
            font-weight: 600;
        }

        /* 评价卡片 */
        .review-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid #e2e8f0;
            position: relative;
        }
        .review-card::before {
            content: '"';
            position: absolute;
            top: 0.5rem;
            left: 1rem;
            font-size: 3rem;
            color: #e2e8f0;
            line-height: 1;
            font-family: Georgia, serif;
        }
        .review-stars {
            color: #f59e0b;
            font-size: 1rem;
            letter-spacing: 0.1em;
        }

        /* 任务进度条 */
        .progress-bar-wrap {
            background: #e2e8f0;
            border-radius: 1rem;
            height: 10px;
            overflow: hidden;
        }
        .progress-bar-fill {
            height: 100%;
            border-radius: 1rem;
            background: linear-gradient(90deg, #2563eb, #60a5fa);
            transition: width 1.5s ease;
        }

        /* 数据指标大数 */
        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1;
        }
        @media (max-width: 640px) {
            .stat-number {
                font-size: 2rem;
            }
        }

        /* 价格对比表 */
        .compare-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .compare-table th,
        .compare-table td {
            padding: 1rem 1.25rem;
            text-align: left;
            font-size: 0.95rem;
        }
        .compare-table th {
            background: #0f172a;
            color: #fff;
            font-weight: 600;
        }
        .compare-table td {
            background: #fff;
            border-bottom: 1px solid #f1f5f9;
        }
        .compare-table .highlight-col {
            background: #eff6ff;
            font-weight: 600;
        }
        .compare-table .check-mark {
            color: #16a34a;
            font-weight: 700;
        }
        .compare-table .cross-mark {
            color: #dc2626;
        }

        /* Footer */
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 3rem 0 2rem;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            list-style: none;
        }
        .footer-links a {
            color: #94a3b8;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.5rem;
            margin-top: 2rem;
            font-size: 0.85rem;
            color: #64748b;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: space-between;
            align-items: center;
        }
        @media (max-width: 640px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.5rem;
            }
        }

/* roulang page: category1 */
:root {
            --brand-primary: #2563eb;
            --brand-secondary: #1d4ed8;
            --accent: #f97316;
            --surface-bg: #f8fafc;
            --text-primary: #0f172a;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --border-color: #e2e8f0;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.5rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.1);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            color: #0f172a;
            background-color: #f8fafc;
            overflow-x: hidden;
            padding-bottom: 80px;
        }

        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-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 1.25rem;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 1rem;
            }
        }

        .nav-panel {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.75rem 0;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .nav-logo {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #ffffff;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo span {
            background: linear-gradient(135deg, #60a5fa, #3b82f6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-cards {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }

        .nav-card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.55rem 1rem;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.04);
            color: #cbd5e1;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            border: 1px solid transparent;
            letter-spacing: 0.01em;
        }

        .nav-card-link:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #ffffff;
            border-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
        }

        .nav-card-link.active {
            background: rgba(59, 130, 246, 0.25);
            color: #ffffff;
            border-color: rgba(96, 165, 250, 0.5);
            font-weight: 600;
            box-shadow: 0 0 20px rgba(59, 130, 246, 0.2);
        }

        .nav-card-link.nav-home {
            background: rgba(255, 255, 255, 0.08);
            font-weight: 600;
            color: #fff;
        }

        .nav-card-link.nav-home:hover {
            background: rgba(255, 255, 255, 0.16);
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.6rem 1.5rem;
            border-radius: 2rem;
            background: linear-gradient(135deg, #f97316, #ea580c);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            box-shadow: 0 4px 18px rgba(249, 115, 22, 0.35);
            letter-spacing: 0.02em;
        }

        .nav-cta-btn:hover {
            background: linear-gradient(135deg, #fb923c, #f97316);
            box-shadow: 0 6px 24px rgba(249, 115, 22, 0.5);
            transform: translateY(-2px);
        }

        @media (max-width: 1024px) {
            .nav-inner {
                flex-wrap: wrap;
                gap: 0.5rem;
            }
            .nav-cards {
                gap: 0.35rem;
                overflow-x: auto;
                flex-wrap: nowrap;
                -webkit-overflow-scrolling: touch;
                padding-bottom: 0.25rem;
                width: 100%;
                order: 3;
            }
            .nav-card-link {
                font-size: 0.8rem;
                padding: 0.45rem 0.75rem;
                flex-shrink: 0;
            }
            .nav-cta-btn {
                font-size: 0.8rem;
                padding: 0.5rem 1.1rem;
                flex-shrink: 0;
            }
        }

        @media (max-width: 520px) {
            .nav-logo {
                font-size: 1.25rem;
            }
            .nav-inner {
                padding: 0.6rem 0;
            }
        }

        .section-padding {
            padding: 5rem 0;
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 3rem 0;
            }
        }

        .card-glow {
            border-radius: var(--radius-xl);
            background: #ffffff;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
        }

        .card-glow:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: #cbd5e1;
        }

        .badge-accent {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            padding: 0.3rem 0.9rem;
            border-radius: 2rem;
            background: linear-gradient(135deg, #fef3c7, #fde68a);
            color: #92400e;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .badge-blue {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            padding: 0.3rem 0.9rem;
            border-radius: 2rem;
            background: rgba(59, 130, 246, 0.1);
            color: #2563eb;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .btn-primary-glow {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 2rem;
            border-radius: 2.5rem;
            background: linear-gradient(135deg, #2563eb, #1d4ed8);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-smooth);
            box-shadow: 0 6px 24px rgba(37, 99, 235, 0.35);
        }

        .btn-primary-glow:hover {
            background: linear-gradient(135deg, #3b82f6, #2563eb);
            box-shadow: 0 10px 32px rgba(37, 99, 235, 0.5);
            transform: translateY(-3px);
        }

        .btn-accent-glow {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 2rem;
            border-radius: 2.5rem;
            background: linear-gradient(135deg, #f97316, #ea580c);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-smooth);
            box-shadow: 0 6px 24px rgba(249, 115, 22, 0.35);
        }

        .btn-accent-glow:hover {
            background: linear-gradient(135deg, #fb923c, #f97316);
            box-shadow: 0 10px 32px rgba(249, 115, 22, 0.5);
            transform: translateY(-3px);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.8rem;
            border-radius: 2.5rem;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-smooth);
        }

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

        .score-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 1rem 1.25rem;
            transition: all var(--transition-smooth);
        }

        .score-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.25);
        }

        .stat-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 2.5rem;
            height: 2.5rem;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, #2563eb, #1d4ed8);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
        }

        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            background: #fff;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .faq-item:hover {
            border-color: #2563eb;
            box-shadow: var(--shadow-md);
        }

        .faq-item summary {
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text-primary);
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: '+';
            font-size: 1.4rem;
            font-weight: 300;
            color: #2563eb;
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item[open] summary::after {
            content: '−';
            transform: rotate(0deg);
        }

        .faq-item .faq-answer {
            margin-top: 0.75rem;
            color: var(--text-secondary);
            line-height: 1.8;
            padding-top: 0.75rem;
            border-top: 1px solid var(--border-color);
        }

        .sticky-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: linear-gradient(135deg, #0f172a, #1e293b);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 0.75rem 0;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.3);
        }

        .site-footer {
            background: linear-gradient(180deg, #0f172a, #0a0f1e);
            color: #cbd5e1;
            padding: 4rem 0 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links a {
            color: #94a3b8;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: #ffffff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: #64748b;
        }

        @media (max-width: 768px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.75rem;
            }
        }

        .data-table-mock {
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .data-table-mock .data-row {
            display: flex;
            align-items: center;
            padding: 0.75rem 1rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            gap: 0.75rem;
            transition: background var(--transition-fast);
        }

        .data-table-mock .data-row:hover {
            background: rgba(255, 255, 255, 0.05);
        }

        .data-table-mock .data-row:last-child {
            border-bottom: none;
        }

        .live-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #ef4444;
            animation: pulse-dot 1.5s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.6);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(239, 68, 68, 0);
            }
        }

        .section-divider {
            width: 60px;
            height: 4px;
            border-radius: 2px;
            background: linear-gradient(90deg, #2563eb, #f97316);
            margin: 0.5rem 0 1.5rem;
        }

        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 1.75rem;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            position: relative;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: #cbd5e1;
            transform: translateY(-3px);
        }

        .testimonial-card::before {
            content: '"';
            position: absolute;
            top: 0.5rem;
            left: 1.25rem;
            font-size: 4rem;
            color: #e2e8f0;
            line-height: 1;
            font-family: Georgia, serif;
            pointer-events: none;
        }

        .highlight-num {
            font-size: 2.5rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            background: linear-gradient(135deg, #2563eb, #1d4ed8);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }

        @media (max-width: 768px) {
            .highlight-num {
                font-size: 2rem;
            }
        }

/* roulang page: category2 */
:root {
            --brand-primary: #2563eb;
            --brand-secondary: #1d4ed8;
            --accent: #f97316;
            --surface-bg: #f8fafc;
            --text-primary: #0f172a;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --border-color: #e2e8f0;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.5rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.1);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            color: #0f172a;
            background-color: #f8fafc;
            overflow-x: hidden;
            padding-bottom: 80px;
        }

        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-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

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

        /* 导航卡片化面板 */
        .nav-panel {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.75rem 0;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .nav-logo {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #ffffff;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo span {
            background: linear-gradient(135deg, #60a5fa, #3b82f6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-cards {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }

        .nav-card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.55rem 1rem;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.04);
            color: #cbd5e1;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            border: 1px solid transparent;
            letter-spacing: 0.01em;
        }

        .nav-card-link:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #ffffff;
            border-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
        }

        .nav-card-link.active {
            background: rgba(59, 130, 246, 0.25);
            color: #ffffff;
            border-color: rgba(96, 165, 250, 0.5);
            font-weight: 600;
            box-shadow: 0 0 20px rgba(59, 130, 246, 0.2);
        }

        .nav-card-link.nav-home {
            background: rgba(255, 255, 255, 0.08);
            font-weight: 600;
            color: #fff;
        }

        .nav-card-link.nav-home:hover {
            background: rgba(255, 255, 255, 0.16);
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.6rem 1.5rem;
            border-radius: 2rem;
            background: linear-gradient(135deg, #f97316, #ea580c);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            box-shadow: 0 4px 18px rgba(249, 115, 22, 0.35);
            letter-spacing: 0.02em;
        }

        .nav-cta-btn:hover {
            background: linear-gradient(135deg, #fb923c, #f97316);
            box-shadow: 0 6px 24px rgba(249, 115, 22, 0.5);
            transform: translateY(-2px);
        }

        @media (max-width: 1024px) {
            .nav-inner {
                flex-wrap: wrap;
                gap: 0.5rem;
            }
            .nav-cards {
                gap: 0.35rem;
                overflow-x: auto;
                flex-wrap: nowrap;
                -webkit-overflow-scrolling: touch;
                padding-bottom: 0.25rem;
                width: 100%;
                order: 3;
            }
            .nav-card-link {
                font-size: 0.8rem;
                padding: 0.45rem 0.75rem;
                flex-shrink: 0;
            }
            .nav-cta-btn {
                font-size: 0.8rem;
                padding: 0.5rem 1.1rem;
                flex-shrink: 0;
            }
            .nav-logo {
                font-size: 1.25rem;
            }
            .nav-inner {
                padding: 0.6rem 0;
            }
        }

        /* 底部固定转化条 */
        .sticky-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            border-top: 2px solid rgba(249, 115, 22, 0.5);
            padding: 0.75rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
            box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.35);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }

        .sticky-cta-bar .cta-text {
            color: #f1f5f9;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.02em;
        }

        .sticky-cta-bar .cta-text .highlight {
            color: #f97316;
            font-weight: 700;
        }

        .sticky-cta-bar .cta-btn-sticky {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 2rem;
            border-radius: 2rem;
            background: linear-gradient(135deg, #f97316, #ea580c);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            box-shadow: 0 4px 20px rgba(249, 115, 22, 0.45);
            letter-spacing: 0.03em;
            animation: pulse-cta 2.5s ease-in-out infinite;
        }

        .sticky-cta-bar .cta-btn-sticky:hover {
            background: linear-gradient(135deg, #fb923c, #f97316);
            box-shadow: 0 8px 28px rgba(249, 115, 22, 0.6);
            transform: translateY(-3px);
        }

        @keyframes pulse-cta {
            0%,
            100% {
                box-shadow: 0 4px 20px rgba(249, 115, 22, 0.45);
            }
            50% {
                box-shadow: 0 8px 36px rgba(249, 115, 22, 0.7);
            }
        }

        @media (max-width: 640px) {
            .sticky-cta-bar {
                flex-direction: column;
                gap: 0.5rem;
                padding: 0.6rem 1rem;
                text-align: center;
            }
            .sticky-cta-bar .cta-text {
                font-size: 0.85rem;
            }
            .sticky-cta-bar .cta-btn-sticky {
                font-size: 0.9rem;
                padding: 0.6rem 1.5rem;
                width: 100%;
                justify-content: center;
            }
            body {
                padding-bottom: 110px;
            }
        }

        /* Hero */
        .hero-section-bifen {
            position: relative;
            min-height: 80vh;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .hero-overlay-bifen {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 23, 42, 0.85) 0%, rgba(15, 23, 42, 0.72) 40%, rgba(15, 23, 42, 0.9) 100%);
            z-index: 1;
        }

        .hero-content-bifen {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .badge-explosion {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, #ef4444, #dc2626);
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 0.5rem 1.2rem;
            border-radius: 2rem;
            letter-spacing: 0.05em;
            animation: bounce-badge 2s ease-in-out infinite;
            box-shadow: 0 6px 24px rgba(239, 68, 68, 0.5);
        }

        @keyframes bounce-badge {
            0%,
            100% {
                transform: translateY(0);
            }
            30% {
                transform: translateY(-8px);
            }
            50% {
                transform: translateY(0);
            }
            70% {
                transform: translateY(-4px);
            }
        }

        /* 数据徽章 */
        .data-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 2rem;
            padding: 0.5rem 1.2rem;
            color: #e2e8f0;
            font-weight: 500;
            font-size: 0.9rem;
            backdrop-filter: blur(8px);
        }

        .data-badge .num {
            font-weight: 800;
            font-size: 1.3rem;
            color: #f97316;
        }

        /* 卡片 */
        .card-bifen {
            background: #ffffff;
            border-radius: var(--radius-xl);
            padding: 2rem;
            box-shadow: var(--shadow-md);
            border: 1px solid #e2e8f0;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .card-bifen:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: #cbd5e1;
        }

        .card-bifen .card-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            margin-bottom: 1rem;
            flex-shrink: 0;
        }

        .card-bifen .card-badge-num {
            position: absolute;
            top: 1rem;
            right: 1rem;
            background: linear-gradient(135deg, #2563eb, #1d4ed8);
            color: #fff;
            font-weight: 700;
            font-size: 0.8rem;
            padding: 0.3rem 0.8rem;
            border-radius: 1rem;
            letter-spacing: 0.03em;
        }

        /* FAQ */
        .faq-item-bifen {
            border-bottom: 1px solid #e2e8f0;
            padding: 1.2rem 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .faq-item-bifen:hover {
            color: #2563eb;
        }

        .faq-item-bifen .faq-q {
            font-weight: 700;
            font-size: 1.05rem;
            display: flex;
            align-items: flex-start;
            gap: 0.6rem;
        }

        .faq-item-bifen .faq-a {
            color: #475569;
            margin-top: 0.5rem;
            padding-left: 1.8rem;
            line-height: 1.8;
        }

        /* 场景卡片 */
        .scene-card {
            background: #ffffff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid #e2e8f0;
            transition: all var(--transition-smooth);
        }

        .scene-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
        }

        .scene-card .scene-img {
            height: 200px;
            object-fit: cover;
            width: 100%;
        }

        .scene-card .scene-body {
            padding: 1.5rem;
        }

        /* 统计数字块 */
        .stat-block {
            text-align: center;
            padding: 1.5rem;
        }

        .stat-block .stat-num {
            font-size: 2.8rem;
            font-weight: 800;
            background: linear-gradient(135deg, #2563eb, #1d4ed8);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.1;
        }

        .stat-block .stat-label {
            color: #64748b;
            font-size: 0.95rem;
            margin-top: 0.4rem;
            font-weight: 500;
        }

        /* 页脚 */
        .site-footer {
            background: linear-gradient(180deg, #0f172a 0%, #0a0f1a 100%);
            color: #cbd5e1;
            padding: 3rem 0 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-links {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .footer-links a {
            color: #94a3b8;
            transition: color var(--transition-fast);
            font-size: 0.9rem;
        }

        .footer-links a:hover {
            color: #ffffff;
        }

        .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: 0.85rem;
            color: #94a3b8;
        }

        @media (max-width: 768px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: category3 */
:root {
            --brand-primary: #2563eb;
            --brand-secondary: #1d4ed8;
            --accent: #f97316;
            --surface-bg: #f8fafc;
            --text-primary: #0f172a;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --border-color: #e2e8f0;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.5rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.1);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --gradient-brand: linear-gradient(135deg, #2563eb 0%, #1d4ed8 50%, #1e40af 100%);
            --gradient-accent: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
            --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            color: #0f172a;
            background-color: #f8fafc;
            overflow-x: hidden;
        }

        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-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

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

        /* 导航卡片化面板 */
        .nav-panel {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.75rem 0;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .nav-logo {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #ffffff;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo span {
            background: linear-gradient(135deg, #60a5fa, #3b82f6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-cards {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }

        .nav-card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.55rem 1rem;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.04);
            color: #cbd5e1;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            border: 1px solid transparent;
            letter-spacing: 0.01em;
        }

        .nav-card-link:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #ffffff;
            border-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
        }

        .nav-card-link.active {
            background: rgba(59, 130, 246, 0.25);
            color: #ffffff;
            border-color: rgba(96, 165, 250, 0.5);
            font-weight: 600;
            box-shadow: 0 0 20px rgba(59, 130, 246, 0.2);
        }

        .nav-card-link.nav-home {
            background: rgba(255, 255, 255, 0.08);
            font-weight: 600;
            color: #fff;
        }

        .nav-card-link.nav-home:hover {
            background: rgba(255, 255, 255, 0.16);
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.6rem 1.5rem;
            border-radius: 2rem;
            background: linear-gradient(135deg, #f97316, #ea580c);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            box-shadow: 0 4px 18px rgba(249, 115, 22, 0.35);
            letter-spacing: 0.02em;
        }

        .nav-cta-btn:hover {
            background: linear-gradient(135deg, #fb923c, #f97316);
            box-shadow: 0 6px 24px rgba(249, 115, 22, 0.5);
            transform: translateY(-2px);
        }

        @media (max-width: 1024px) {
            .nav-inner {
                flex-wrap: wrap;
                gap: 0.5rem;
            }
            .nav-cards {
                gap: 0.35rem;
                overflow-x: auto;
                flex-wrap: nowrap;
                -webkit-overflow-scrolling: touch;
                padding-bottom: 0.25rem;
                width: 100%;
                order: 3;
            }
            .nav-card-link {
                font-size: 0.8rem;
                padding: 0.45rem 0.75rem;
                flex-shrink: 0;
            }
            .nav-cta-btn {
                font-size: 0.8rem;
                padding: 0.5rem 1.1rem;
                flex-shrink: 0;
            }
            .nav-logo {
                font-size: 1.25rem;
            }
            .nav-inner {
                padding: 0.6rem 0;
            }
        }

        /* Hero 区域 */
        .hero-section {
            position: relative;
            min-height: 90vh;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 23, 42, 0.85) 0%, rgba(15, 23, 42, 0.7) 40%, rgba(15, 23, 42, 0.9) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        /* 倒计时环 */
        .countdown-ring-container {
            display: flex;
            gap: 1.5rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .countdown-ring-item {
            position: relative;
            width: 110px;
            height: 110px;
            flex-shrink: 0;
        }

        .countdown-ring-item svg {
            width: 100%;
            height: 100%;
            transform: rotate(-90deg);
        }

        .countdown-ring-bg {
            fill: none;
            stroke: rgba(255, 255, 255, 0.12);
            stroke-width: 6;
        }

        .countdown-ring-fg {
            fill: none;
            stroke: #f97316;
            stroke-width: 6;
            stroke-linecap: round;
            transition: stroke-dashoffset 0.9s ease;
        }

        .countdown-ring-fg.ring-blue {
            stroke: #3b82f6;
        }

        .countdown-ring-fg.ring-cyan {
            stroke: #06b6d4;
        }

        .countdown-ring-fg.ring-amber {
            stroke: #f59e0b;
        }

        .countdown-ring-label {
            position: absolute;
            inset: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: #fff;
        }

        .countdown-ring-label .number {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1;
            letter-spacing: -0.02em;
        }

        .countdown-ring-label .unit {
            font-size: 0.8rem;
            color: #94a3b8;
            margin-top: 0.2rem;
        }

        @media (max-width: 640px) {
            .countdown-ring-item {
                width: 80px;
                height: 80px;
            }
            .countdown-ring-label .number {
                font-size: 1.4rem;
            }
            .countdown-ring-label .unit {
                font-size: 0.7rem;
            }
            .countdown-ring-container {
                gap: 0.8rem;
            }
        }

        /* 卖点轮播点 */
        .carousel-dots {
            display: flex;
            gap: 0.6rem;
            justify-content: center;
            align-items: center;
        }

        .carousel-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.35);
            cursor: pointer;
            transition: all var(--transition-smooth);
            border: none;
            padding: 0;
        }

        .carousel-dot.active {
            background: #f97316;
            width: 28px;
            border-radius: 20px;
            box-shadow: 0 0 14px rgba(249, 115, 22, 0.6);
        }

        .carousel-dot:hover {
            background: rgba(255, 255, 255, 0.65);
        }

        /* 卖点轮播文字 */
        .carousel-text-container {
            position: relative;
            min-height: 3rem;
            overflow: hidden;
        }

        .carousel-text-item {
            position: absolute;
            inset: 0;
            opacity: 0;
            transform: translateY(12px);
            transition: all 0.5s ease;
            pointer-events: none;
        }

        .carousel-text-item.active {
            opacity: 1;
            transform: translateY(0);
            pointer-events: auto;
        }

        /* 品牌渐变卡 */
        .gradient-card {
            background: linear-gradient(135deg, #ffffff 0%, #f1f5f9 100%);
            border-radius: var(--radius-xl);
            padding: 2rem;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .gradient-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--gradient-brand);
            border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        }

        .gradient-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: #cbd5e1;
        }

        .gradient-card.accent-top::before {
            background: var(--gradient-accent);
        }

        /* 数据徽章 */
        .data-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.4rem 0.9rem;
            border-radius: 2rem;
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .data-badge.brand {
            background: rgba(37, 99, 235, 0.1);
            color: #2563eb;
            border: 1px solid rgba(37, 99, 235, 0.25);
        }

        .data-badge.accent {
            background: rgba(249, 115, 22, 0.1);
            color: #f97316;
            border: 1px solid rgba(249, 115, 22, 0.25);
        }

        .data-badge.green {
            background: rgba(16, 185, 129, 0.1);
            color: #10b981;
            border: 1px solid rgba(16, 185, 129, 0.25);
        }

        /* 场景卡片 */
        .scene-card {
            background: #fff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
            border: 1px solid var(--border-color);
        }

        .scene-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
        }

        .scene-card-img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }

        .scene-card-body {
            padding: 1.5rem;
        }

        /* 底部固定转化条 */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            border-top: 2px solid rgba(249, 115, 22, 0.4);
            padding: 0.8rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            flex-wrap: wrap;
            box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.3);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
        }

        .sticky-bottom-bar .bar-text {
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            flex: 1;
            min-width: 0;
        }

        .sticky-bottom-bar .bar-highlight {
            color: #f97316;
            font-weight: 800;
        }

        .sticky-bottom-bar .bar-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.65rem 1.8rem;
            border-radius: 2rem;
            background: linear-gradient(135deg, #f97316, #ea580c);
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            white-space: nowrap;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 20px rgba(249, 115, 22, 0.4);
            letter-spacing: 0.02em;
        }

        .sticky-bottom-bar .bar-btn:hover {
            background: linear-gradient(135deg, #fb923c, #f97316);
            box-shadow: 0 6px 28px rgba(249, 115, 22, 0.55);
            transform: translateY(-2px);
        }

        @media (max-width: 640px) {
            .sticky-bottom-bar {
                padding: 0.6rem 1rem;
                gap: 0.5rem;
            }
            .sticky-bottom-bar .bar-text {
                font-size: 0.8rem;
            }
            .sticky-bottom-bar .bar-btn {
                font-size: 0.8rem;
                padding: 0.5rem 1.2rem;
            }
        }

        /* 页脚 */
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 3rem 0 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-bottom: 70px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links a {
            color: #94a3b8;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: #ffffff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: #64748b;
        }

        .footer-bottom a {
            color: #94a3b8;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: #ffffff;
        }

        @media (max-width: 768px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.5rem;
            }
            .site-footer {
                margin-bottom: 60px;
            }
        }

        /* FAQ 手风琴 */
        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: #fff;
            transition: all var(--transition-smooth);
            margin-bottom: 0.75rem;
        }

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

        .faq-question {
            width: 100%;
            padding: 1.2rem 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: #fff;
            font-weight: 600;
            font-size: 1rem;
            color: #0f172a;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-align: left;
            border: none;
        }

        .faq-question:hover {
            background: #f8fafc;
        }

        .faq-icon {
            font-size: 1.3rem;
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
            margin-left: 1rem;
            color: #2563eb;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 1.5rem;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 1.5rem 1.5rem;
        }

        .faq-answer p {
            color: #475569;
            line-height: 1.7;
            margin: 0;
        }

        /* 按钮 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 2rem;
            border-radius: 2rem;
            background: var(--gradient-accent);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 20px rgba(249, 115, 22, 0.35);
            letter-spacing: 0.02em;
        }

        .btn-primary:hover {
            box-shadow: 0 8px 30px rgba(249, 115, 22, 0.5);
            transform: translateY(-3px);
        }

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

        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-3px);
        }

        /* 社会认同星级 */
        .star-rating {
            color: #f59e0b;
            font-size: 1.1rem;
            letter-spacing: 0.05em;
        }

        /* 通用板块 */
        .section-padding {
            padding: 5rem 0;
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 3rem 0;
            }
        }

        /* 分割线 */
        .divider {
            width: 60px;
            height: 4px;
            border-radius: 2px;
            background: var(--gradient-accent);
            margin: 0.75rem 0 1.5rem;
        }

        .divider.center {
            margin: 0.75rem auto 1.5rem;
        }

        .divider.brand {
            background: var(--gradient-brand);
        }

        /* 预约弹窗 */
        .modal-overlay {
            position: fixed;
            inset: 0;
            z-index: 2000;
            background: rgba(0, 0, 0, 0.65);
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.35s ease;
        }

        .modal-overlay.show {
            opacity: 1;
            pointer-events: auto;
        }

        .modal-dialog {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 2.5rem;
            max-width: 500px;
            width: 90%;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
            position: relative;
            transform: translateY(20px);
            transition: transform 0.35s ease;
        }

        .modal-overlay.show .modal-dialog {
            transform: translateY(0);
        }

        .modal-close {
            position: absolute;
            top: 1rem;
            right: 1.2rem;
            font-size: 1.5rem;
            background: none;
            border: none;
            cursor: pointer;
            color: #94a3b8;
            transition: color var(--transition-fast);
            line-height: 1;
        }

        .modal-close:hover {
            color: #0f172a;
        }

        .modal-input {
            width: 100%;
            padding: 0.85rem 1rem;
            border-radius: var(--radius-md);
            border: 2px solid var(--border-color);
            font-size: 1rem;
            transition: all var(--transition-fast);
            background: #f8fafc;
            font-family: inherit;
        }

        .modal-input:focus {
            outline: none;
            border-color: #2563eb;
            box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.08);
            background: #fff;
        }

        /* toast */
        .toast {
            position: fixed;
            top: 1.5rem;
            right: 1.5rem;
            z-index: 3000;
            background: #10b981;
            color: #fff;
            padding: 1rem 1.5rem;
            border-radius: var(--radius-md);
            font-weight: 600;
            box-shadow: 0 8px 30px rgba(16, 185, 129, 0.4);
            opacity: 0;
            transform: translateX(40px);
            transition: all 0.4s ease;
            pointer-events: none;
        }

        .toast.show {
            opacity: 1;
            transform: translateX(0);
        }

/* roulang page: category4 */
:root {
            --brand-primary: #2563eb;
            --brand-secondary: #1d4ed8;
            --accent: #f97316;
            --surface-bg: #f8fafc;
            --text-primary: #0f172a;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --border-color: #e2e8f0;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.5rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.1);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --gradient-brand: linear-gradient(135deg, #2563eb 0%, #1d4ed8 50%, #1e40af 100%);
            --gradient-accent: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
            --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            color: #0f172a;
            background-color: #f8fafc;
            overflow-x: hidden;
        }

        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-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

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

        /* 导航卡片化面板 */
        .nav-panel {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.75rem 0;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .nav-logo {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #ffffff;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo span {
            background: linear-gradient(135deg, #60a5fa, #3b82f6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-cards {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }

        .nav-card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.55rem 1rem;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.04);
            color: #cbd5e1;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            border: 1px solid transparent;
            letter-spacing: 0.01em;
        }

        .nav-card-link:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #ffffff;
            border-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
        }

        .nav-card-link.active {
            background: rgba(59, 130, 246, 0.25);
            color: #ffffff;
            border-color: rgba(96, 165, 250, 0.5);
            font-weight: 600;
            box-shadow: 0 0 20px rgba(59, 130, 246, 0.2);
        }

        .nav-card-link.nav-home {
            background: rgba(255, 255, 255, 0.08);
            font-weight: 600;
            color: #fff;
        }

        .nav-card-link.nav-home:hover {
            background: rgba(255, 255, 255, 0.16);
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.6rem 1.5rem;
            border-radius: 2rem;
            background: linear-gradient(135deg, #f97316, #ea580c);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            box-shadow: 0 4px 18px rgba(249, 115, 22, 0.35);
            letter-spacing: 0.02em;
        }

        .nav-cta-btn:hover {
            background: linear-gradient(135deg, #fb923c, #f97316);
            box-shadow: 0 6px 24px rgba(249, 115, 22, 0.5);
            transform: translateY(-2px);
        }

        @media (max-width: 1024px) {
            .nav-inner {
                flex-wrap: wrap;
                gap: 0.5rem;
            }
            .nav-cards {
                gap: 0.35rem;
                overflow-x: auto;
                flex-wrap: nowrap;
                -webkit-overflow-scrolling: touch;
                padding-bottom: 0.25rem;
                width: 100%;
                order: 3;
            }
            .nav-card-link {
                font-size: 0.8rem;
                padding: 0.45rem 0.75rem;
                flex-shrink: 0;
            }
            .nav-cta-btn {
                font-size: 0.8rem;
                padding: 0.5rem 1.1rem;
                flex-shrink: 0;
            }
            .nav-logo {
                font-size: 1.25rem;
            }
            .nav-inner {
                padding: 0.6rem 0;
            }
        }

        /* Hero 倒计时区域 */
        .hero-section {
            position: relative;
            min-height: 90vh;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 23, 42, 0.85) 0%, rgba(15, 23, 42, 0.72) 40%, rgba(15, 23, 42, 0.9) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        /* 倒计时环 */
        .countdown-ring-wrap {
            display: flex;
            gap: 1.25rem;
            flex-wrap: wrap;
            justify-content: center;
        }

        .countdown-ring-item {
            position: relative;
            width: 100px;
            height: 100px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            border: 3px solid rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            transition: all var(--transition-smooth);
        }

        .countdown-ring-item .ring-number {
            font-size: 2rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1;
            letter-spacing: -0.02em;
        }

        .countdown-ring-item .ring-label {
            font-size: 0.75rem;
            color: #94a3b8;
            margin-top: 0.2rem;
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }

        @media (max-width: 640px) {
            .countdown-ring-item {
                width: 70px;
                height: 70px;
                border-width: 2px;
            }
            .countdown-ring-item .ring-number {
                font-size: 1.4rem;
            }
            .countdown-ring-item .ring-label {
                font-size: 0.65rem;
            }
            .countdown-ring-wrap {
                gap: 0.7rem;
            }
        }

        /* 卖点轮播 */
        .carousel-dot-wrap {
            display: flex;
            gap: 0.6rem;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
        }

        .carousel-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.3);
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            padding: 0;
        }

        .carousel-dot.active {
            background: #f97316;
            width: 28px;
            border-radius: 20px;
            box-shadow: 0 0 14px rgba(249, 115, 22, 0.5);
        }

        .carousel-dot:hover {
            background: rgba(255, 255, 255, 0.55);
        }

        .carousel-dot.active:hover {
            background: #fb923c;
        }

        /* 预约按钮 */
        .btn-reserve {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 1rem 2.5rem;
            border-radius: 3rem;
            background: var(--gradient-accent);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            box-shadow: 0 8px 32px rgba(249, 115, 22, 0.4);
            white-space: nowrap;
        }

        .btn-reserve:hover {
            box-shadow: 0 14px 40px rgba(249, 115, 22, 0.6);
            transform: translateY(-3px);
        }

        /* 大卡片 */
        .card-grand {
            background: #ffffff;
            border-radius: var(--radius-xl);
            padding: 2.5rem;
            box-shadow: var(--shadow-lg);
            transition: all var(--transition-smooth);
            border: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }

        .card-grand:hover {
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
            transform: translateY(-4px);
        }

        .card-grand::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--gradient-brand);
            border-radius: 0 0 4px 4px;
        }

        /* 数据徽章 */
        .badge-data {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.45rem 1rem;
            border-radius: 2rem;
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(29, 78, 216, 0.12));
            color: #1d4ed8;
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.02em;
            border: 1px solid rgba(37, 99, 235, 0.2);
            white-space: nowrap;
        }

        .badge-data.accent {
            background: linear-gradient(135deg, rgba(249, 115, 22, 0.08), rgba(234, 88, 12, 0.12));
            color: #ea580c;
            border: 1px solid rgba(249, 115, 22, 0.25);
        }

        /* 底部固定转化条 */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(15, 23, 42, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 0.85rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
            box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.4);
            transform: translateY(0);
            transition: transform var(--transition-smooth);
        }

        .sticky-bottom-bar.hidden-bar {
            transform: translateY(100%);
        }

        @media (max-width: 640px) {
            .sticky-bottom-bar {
                padding: 0.7rem 1rem;
                gap: 0.8rem;
                flex-direction: column;
                text-align: center;
            }
        }

        /* FAQ */
        .faq-item {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 1.5rem 2rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: all var(--transition-smooth);
            cursor: pointer;
            margin-bottom: 0.75rem;
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
            border-color: #cbd5e1;
        }

        .faq-item summary {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-primary);
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            cursor: pointer;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: '+';
            font-size: 1.5rem;
            font-weight: 300;
            color: #94a3b8;
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
        }

        .faq-item[open] summary::after {
            content: '−';
            color: #2563eb;
            transform: rotate(180deg);
        }

        .faq-item .faq-answer {
            margin-top: 0.85rem;
            color: #475569;
            line-height: 1.8;
            font-size: 0.95rem;
        }

        /* 场景卡片 */
        .scenario-card {
            background: #ffffff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
            border: 1px solid var(--border-color);
            height: 100%;
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
        }

        .scenario-card .scenario-img {
            height: 200px;
            object-fit: cover;
            width: 100%;
        }

        .scenario-card .scenario-body {
            padding: 1.5rem;
        }

        /* 页脚 */
        .site-footer {
            background: var(--gradient-dark);
            color: #cbd5e1;
            padding: 3rem 0 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .site-footer .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer .footer-links a {
            color: #94a3b8;
            transition: color var(--transition-fast);
            font-size: 0.9rem;
        }

        .site-footer .footer-links a:hover {
            color: #ffffff;
        }

        .site-footer .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
            justify-content: space-between;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.85rem;
            color: #64748b;
        }

        @media (max-width: 768px) {
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.5rem;
            }
        }

        /* 动画 */
        @keyframes pulse-ring {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(249, 115, 22, 0.4);
            }
            50% {
                box-shadow: 0 0 0 18px rgba(249, 115, 22, 0);
            }
        }

        .pulse-animate {
            animation: pulse-ring 2.5s ease-in-out infinite;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .fade-in-up {
            animation: fadeInUp 0.7s ease-out forwards;
        }

        /* 统计大数字 */
        .stat-big-number {
            font-size: 3rem;
            font-weight: 900;
            letter-spacing: -0.03em;
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }

        @media (max-width: 640px) {
            .stat-big-number {
                font-size: 2rem;
            }
        }

        /* 板块标题 */
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #0f172a;
            margin-bottom: 0.5rem;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: #64748b;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        @media (max-width: 640px) {
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
        }

        .text-gradient-brand {
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

/* roulang page: category5 */
:root {
            --brand-primary: #2563eb;
            --brand-secondary: #1d4ed8;
            --accent: #f97316;
            --surface-bg: #f8fafc;
            --text-primary: #0f172a;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --border-color: #e2e8f0;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.5rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.1);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            color: #0f172a;
            background-color: #f8fafc;
            overflow-x: hidden;
        }

        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-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* 导航卡片化面板 */
        .nav-panel {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.75rem 0;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .nav-logo {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #ffffff;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo span {
            background: linear-gradient(135deg, #60a5fa, #3b82f6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-cards {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }

        .nav-card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.55rem 1rem;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.04);
            color: #cbd5e1;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            border: 1px solid transparent;
            letter-spacing: 0.01em;
        }

        .nav-card-link:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #ffffff;
            border-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
        }

        .nav-card-link.active {
            background: rgba(59, 130, 246, 0.25);
            color: #ffffff;
            border-color: rgba(96, 165, 250, 0.5);
            font-weight: 600;
            box-shadow: 0 0 20px rgba(59, 130, 246, 0.2);
        }

        .nav-card-link.nav-home {
            background: rgba(255, 255, 255, 0.08);
            font-weight: 600;
            color: #fff;
        }

        .nav-card-link.nav-home:hover {
            background: rgba(255, 255, 255, 0.16);
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.6rem 1.5rem;
            border-radius: 2rem;
            background: linear-gradient(135deg, #f97316, #ea580c);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            box-shadow: 0 4px 18px rgba(249, 115, 22, 0.35);
            letter-spacing: 0.02em;
        }

        .nav-cta-btn:hover {
            background: linear-gradient(135deg, #fb923c, #f97316);
            box-shadow: 0 6px 24px rgba(249, 115, 22, 0.5);
            transform: translateY(-2px);
        }

        /* 底部固定转化条 */
        .sticky-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            border-top: 2px solid rgba(249, 115, 22, 0.5);
            padding: 0.9rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
            box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.35);
            transform: translateY(100%);
            transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .sticky-cta-bar.visible {
            transform: translateY(0);
        }

        .sticky-cta-bar .cta-text {
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            white-space: nowrap;
        }

        .sticky-cta-bar .cta-btn-sticky {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 2rem;
            border-radius: 2rem;
            background: linear-gradient(135deg, #f97316, #ea580c);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 20px rgba(249, 115, 22, 0.45);
            letter-spacing: 0.03em;
        }

        .sticky-cta-bar .cta-btn-sticky:hover {
            background: linear-gradient(135deg, #fb923c, #f97316);
            box-shadow: 0 8px 30px rgba(249, 115, 22, 0.6);
            transform: translateY(-2px);
        }

        /* 视频舞台卡片 */
        .video-stage-card {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg), 0 0 60px rgba(37, 99, 235, 0.2);
            background: #0f172a;
            border: 2px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition-smooth);
        }

        .video-stage-card:hover {
            box-shadow: 0 20px 60px rgba(37, 99, 235, 0.35);
            border-color: rgba(96, 165, 250, 0.4);
        }

        .play-btn-overlay {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(0, 0, 0, 0.35);
            transition: background var(--transition-smooth);
            cursor: pointer;
        }

        .play-btn-overlay:hover {
            background: rgba(0, 0, 0, 0.2);
        }

        .play-icon-circle {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: rgba(249, 115, 22, 0.9);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-smooth);
            box-shadow: 0 0 40px rgba(249, 115, 22, 0.5);
        }

        .play-icon-circle:hover {
            transform: scale(1.1);
            background: #f97316;
            box-shadow: 0 0 60px rgba(249, 115, 22, 0.7);
        }

        /* 数据徽章 */
        .badge-glow {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.4rem 1rem;
            border-radius: 2rem;
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.15), rgba(59, 130, 246, 0.08));
            border: 1px solid rgba(59, 130, 246, 0.3);
            color: #2563eb;
            font-weight: 600;
            font-size: 0.85rem;
            white-space: nowrap;
        }

        .badge-hot {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            padding: 0.3rem 0.8rem;
            border-radius: 2rem;
            background: linear-gradient(135deg, #fef2f2, #fee2e2);
            color: #dc2626;
            font-weight: 600;
            font-size: 0.8rem;
            animation: pulse-badge 2s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.3);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(220, 38, 38, 0);
            }
        }

        /* 圆角大卡 */
        .card-xl {
            border-radius: var(--radius-xl);
            background: #fff;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
            overflow: hidden;
            border: 1px solid var(--border-color);
        }

        .card-xl:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(37, 99, 235, 0.2);
        }

        /* 渐变区块 */
        .section-gradient {
            background: linear-gradient(180deg, #f8fafc 0%, #eff6ff 50%, #f8fafc 100%);
        }

        .section-dark {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
            color: #fff;
        }

        /* 页脚 */
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 3rem 0 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-links {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .footer-links a {
            color: #94a3b8;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: #ffffff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            font-size: 0.85rem;
            color: #64748b;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .nav-inner {
                flex-wrap: wrap;
                gap: 0.5rem;
            }
            .nav-cards {
                gap: 0.35rem;
                overflow-x: auto;
                flex-wrap: nowrap;
                -webkit-overflow-scrolling: touch;
                padding-bottom: 0.25rem;
                width: 100%;
                order: 3;
            }
            .nav-card-link {
                font-size: 0.8rem;
                padding: 0.45rem 0.75rem;
                flex-shrink: 0;
            }
            .nav-cta-btn {
                font-size: 0.8rem;
                padding: 0.5rem 1.1rem;
                flex-shrink: 0;
            }
            .nav-logo {
                font-size: 1.25rem;
            }
            .nav-inner {
                padding: 0.6rem 0;
            }
            .container-custom {
                padding: 0 1.25rem;
            }
            .sticky-cta-bar {
                padding: 0.7rem 1rem;
                gap: 0.8rem;
            }
            .sticky-cta-bar .cta-text {
                font-size: 0.85rem;
            }
            .sticky-cta-bar .cta-btn-sticky {
                font-size: 0.85rem;
                padding: 0.55rem 1.4rem;
            }
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 1rem;
            }
            .nav-inner {
                padding: 0.5rem 0;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .play-icon-circle {
                width: 50px;
                height: 50px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.5rem;
            }
            .sticky-cta-bar {
                flex-direction: column;
                text-align: center;
                padding: 0.6rem 1rem;
                gap: 0.5rem;
            }
        }

/* roulang page: category6 */
:root {
            --brand-primary: #2563eb;
            --brand-secondary: #1d4ed8;
            --accent: #f97316;
            --surface-bg: #f8fafc;
            --text-primary: #0f172a;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --border-color: #e2e8f0;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.5rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.1);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            color: #0f172a;
            background-color: #f8fafc;
            overflow-x: hidden;
        }

        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-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* 导航卡片化面板 */
        .nav-panel {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.75rem 0;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .nav-logo {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #ffffff;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo span {
            background: linear-gradient(135deg, #60a5fa, #3b82f6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-cards {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }

        .nav-card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.55rem 1rem;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.04);
            color: #cbd5e1;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            border: 1px solid transparent;
            letter-spacing: 0.01em;
        }

        .nav-card-link:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #ffffff;
            border-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
        }

        .nav-card-link.active {
            background: rgba(59, 130, 246, 0.25);
            color: #ffffff;
            border-color: rgba(96, 165, 250, 0.5);
            font-weight: 600;
            box-shadow: 0 0 20px rgba(59, 130, 246, 0.2);
        }

        .nav-card-link.nav-home {
            background: rgba(255, 255, 255, 0.08);
            font-weight: 600;
            color: #fff;
        }

        .nav-card-link.nav-home:hover {
            background: rgba(255, 255, 255, 0.16);
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.6rem 1.5rem;
            border-radius: 2rem;
            background: linear-gradient(135deg, #f97316, #ea580c);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            box-shadow: 0 4px 18px rgba(249, 115, 22, 0.35);
            letter-spacing: 0.02em;
        }

        .nav-cta-btn:hover {
            background: linear-gradient(135deg, #fb923c, #f97316);
            box-shadow: 0 6px 24px rgba(249, 115, 22, 0.5);
            transform: translateY(-2px);
        }

        /* 底部固定转化条 */
        .sticky-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 900;
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            border-top: 2px solid rgba(249, 115, 22, 0.5);
            padding: 0.75rem 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
            box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.35);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .sticky-cta-bar .cta-text {
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
        }

        .sticky-cta-bar .cta-highlight {
            color: #fb923c;
            font-weight: 700;
        }

        .sticky-cta-bar .btn-cta-sticky {
            padding: 0.65rem 2rem;
            border-radius: 2rem;
            background: linear-gradient(135deg, #f97316, #ea580c);
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 20px rgba(249, 115, 22, 0.45);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .sticky-cta-bar .btn-cta-sticky:hover {
            background: linear-gradient(135deg, #fb923c, #f97316);
            box-shadow: 0 8px 30px rgba(249, 115, 22, 0.6);
            transform: translateY(-2px);
        }

        /* 资料封面卡片 */
        .brochure-card {
            background: #ffffff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
            border: 1px solid var(--border-color);
        }

        .brochure-card:hover {
            box-shadow: 0 20px 56px rgba(0, 0, 0, 0.14);
            transform: translateY(-3px);
        }

        .brochure-cover {
            position: relative;
            overflow: hidden;
            border-radius: var(--radius-lg);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
        }

        .brochure-cover img {
            width: 100%;
            height: auto;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .brochure-cover:hover img {
            transform: scale(1.04);
        }

        /* 数据徽章 */
        .data-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.4rem 0.9rem;
            border-radius: 2rem;
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.02em;
            white-space: nowrap;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
        }

        .data-badge-gold {
            background: linear-gradient(135deg, #fef3c7, #fde68a);
            color: #92400e;
            border: 1px solid #fbbf24;
        }

        .data-badge-blue {
            background: linear-gradient(135deg, #dbeafe, #bfdbfe);
            color: #1e40af;
            border: 1px solid #93c5fd;
        }

        .data-badge-green {
            background: linear-gradient(135deg, #d1fae5, #a7f3d0);
            color: #065f46;
            border: 1px solid #6ee7b7;
        }

        /* 等级卡片 */
        .tier-card {
            background: #ffffff;
            border-radius: var(--radius-xl);
            padding: 2rem 1.5rem;
            border: 2px solid var(--border-color);
            transition: all var(--transition-smooth);
            position: relative;
            box-shadow: var(--shadow-md);
        }

        .tier-card:hover {
            border-color: #93c5fd;
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .tier-card.featured {
            border-color: #f97316;
            background: linear-gradient(180deg, #fff7ed 0%, #ffffff 30%);
            box-shadow: 0 8px 36px rgba(249, 115, 22, 0.15);
        }

        .tier-card.featured::before {
            content: '🔥 最受欢迎';
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: linear-gradient(135deg, #f97316, #ea580c);
            color: #fff;
            padding: 0.35rem 1.2rem;
            border-radius: 2rem;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.4);
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
            background: #fff;
            box-shadow: var(--shadow-sm);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
            border-color: #cbd5e1;
        }

        .faq-item summary {
            padding: 1.1rem 1.5rem;
            font-weight: 600;
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: var(--text-primary);
            transition: color var(--transition-fast);
            letter-spacing: 0.01em;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary:hover {
            color: var(--brand-primary);
        }

        .faq-item summary::after {
            content: '+';
            font-size: 1.3rem;
            font-weight: 300;
            color: #94a3b8;
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
            margin-left: 1rem;
        }

        .faq-item[open] summary::after {
            content: '−';
            transform: rotate(180deg);
            color: var(--brand-primary);
        }

        .faq-item .faq-answer {
            padding: 0 1.5rem 1.3rem;
            color: var(--text-secondary);
            line-height: 1.8;
            font-size: 0.95rem;
        }

        /* 表单 */
        .input-field {
            width: 100%;
            padding: 0.8rem 1.1rem;
            border-radius: var(--radius-md);
            border: 2px solid var(--border-color);
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            background: #fff;
            color: var(--text-primary);
            letter-spacing: 0.01em;
        }

        .input-field:focus {
            outline: none;
            border-color: var(--brand-primary);
            box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.08);
        }

        .btn-primary-glow {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.85rem 2rem;
            border-radius: 2rem;
            background: linear-gradient(135deg, #2563eb, #1d4ed8);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            box-shadow: 0 6px 24px rgba(37, 99, 235, 0.35);
            white-space: nowrap;
        }

        .btn-primary-glow:hover {
            background: linear-gradient(135deg, #3b82f6, #2563eb);
            box-shadow: 0 10px 34px rgba(37, 99, 235, 0.5);
            transform: translateY(-2px);
        }

        .btn-accent-glow {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.85rem 2rem;
            border-radius: 2rem;
            background: linear-gradient(135deg, #f97316, #ea580c);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            box-shadow: 0 6px 24px rgba(249, 115, 22, 0.35);
            white-space: nowrap;
        }

        .btn-accent-glow:hover {
            background: linear-gradient(135deg, #fb923c, #f97316);
            box-shadow: 0 10px 34px rgba(249, 115, 22, 0.5);
            transform: translateY(-2px);
        }

        /* 页脚 */
        .site-footer {
            background: linear-gradient(180deg, #0f172a 0%, #0a0f1e 100%);
            color: #cbd5e1;
            padding: 3rem 0 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-links {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .footer-links a {
            color: #94a3b8;
            transition: color var(--transition-fast);
            font-size: 0.9rem;
        }

        .footer-links a:hover {
            color: #ffffff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 0.8rem;
            font-size: 0.85rem;
            color: #64748b;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .nav-inner {
                flex-wrap: wrap;
                gap: 0.5rem;
            }
            .nav-cards {
                gap: 0.35rem;
                overflow-x: auto;
                flex-wrap: nowrap;
                -webkit-overflow-scrolling: touch;
                padding-bottom: 0.25rem;
                width: 100%;
                order: 3;
            }
            .nav-card-link {
                font-size: 0.8rem;
                padding: 0.45rem 0.75rem;
                flex-shrink: 0;
            }
            .nav-cta-btn {
                font-size: 0.8rem;
                padding: 0.5rem 1.1rem;
                flex-shrink: 0;
            }
            .nav-logo {
                font-size: 1.25rem;
            }
            .nav-inner {
                padding: 0.6rem 0;
            }
            .container-custom {
                padding: 0 1.25rem;
            }
            .sticky-cta-bar {
                flex-direction: column;
                text-align: center;
                padding: 0.65rem 1rem;
                gap: 0.5rem;
            }
            .sticky-cta-bar .cta-text {
                font-size: 0.85rem;
            }
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 1rem;
            }
            .nav-card-link {
                font-size: 0.75rem;
                padding: 0.4rem 0.6rem;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
            }
            .tier-card {
                padding: 1.5rem 1rem;
            }
            .brochure-cover {
                max-width: 280px;
                margin: 0 auto;
            }
        }

        @media (max-width: 520px) {
            .nav-cards {
                gap: 0.25rem;
            }
            .nav-card-link {
                font-size: 0.7rem;
                padding: 0.35rem 0.5rem;
            }
            .nav-cta-btn {
                font-size: 0.7rem;
                padding: 0.4rem 0.8rem;
            }
            .sticky-cta-bar .btn-cta-sticky {
                padding: 0.55rem 1.5rem;
                font-size: 0.85rem;
                width: 100%;
                text-align: center;
            }
            .btn-primary-glow,
            .btn-accent-glow {
                padding: 0.7rem 1.5rem;
                font-size: 0.9rem;
                width: 100%;
                text-align: center;
            }
        }