/* roulang page: index */
:root {
            --color-brand-600: #2563eb;
            --color-brand-700: #1d4ed8;
            --color-brand-800: #1e40af;
            --color-accent-500: #f97316;
            --color-surface-50: #f8fafc;
            --color-surface-100: #f1f5f9;
            --color-surface-700: #334155;
            --color-surface-800: #1e293b;
            --color-surface-900: #0f172a;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 2px 8px rgba(0, 0, 0, 0.08), 0 8px 24px rgba(0, 0, 0, 0.06);
            --radius-xl: 0.875rem;
            --radius-2xl: 1rem;
            --transition-fast: 180ms ease;
            --transition-smooth: 280ms cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            margin: 0;
            font-family: "Inter", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: #1e293b;
            background-color: #f8fafc;
            min-height: 100vh;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container-custom {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media (min-width: 640px) {
            .container-custom {
                padding-left: 1.75rem;
                padding-right: 1.75rem;
            }
        }
        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #ffffff;
            border-bottom: 1px solid #e2e8f0;
            box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 2px 8px rgba(0, 0, 0, 0.03);
            transition: box-shadow var(--transition-smooth);
        }
        .site-header.scrolled {
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08), 0 4px 16px rgba(0, 0, 0, 0.05);
        }
        .nav-logo {
            font-weight: 700;
            font-size: 1.35rem;
            letter-spacing: -0.01em;
            color: #1e40af;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .nav-logo .logo-icon {
            width: 2rem;
            height: 2rem;
            background: linear-gradient(135deg, #2563eb, #1d4ed8);
            border-radius: 0.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .nav-link {
            font-size: 0.925rem;
            font-weight: 500;
            color: #475569;
            padding: 0.5rem 0.85rem;
            border-radius: 0.5rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-link:hover {
            color: #2563eb;
            background: #eff6ff;
        }
        .nav-link.active {
            color: #2563eb;
            font-weight: 600;
            background: #eff6ff;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 2.5px;
            background: #2563eb;
            border-radius: 2px;
        }
        .nav-cta-btn {
            font-size: 0.875rem;
            font-weight: 600;
            padding: 0.55rem 1.3rem;
            border-radius: 0.5rem;
            background: #2563eb;
            color: #fff;
            border: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-cta-btn:hover {
            background: #1d4ed8;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
            transform: translateY(-1px);
        }

        /* 移动端导航 */
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            padding: 0.5rem;
            cursor: pointer;
            color: #334155;
        }
        .mobile-menu-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: currentColor;
            margin: 5px 0;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        @media (max-width: 1023px) {
            .mobile-menu-toggle {
                display: block;
            }
            .nav-links-wrapper {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid #e2e8f0;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
                padding: 0.75rem 1rem;
                flex-direction: column;
                gap: 0.25rem;
                z-index: 99;
            }
            .nav-links-wrapper.open {
                display: flex;
            }
            .nav-link {
                padding: 0.7rem 1rem;
                border-radius: 0.5rem;
                width: 100%;
            }
            .nav-link.active::after {
                display: none;
            }
            .nav-link.active {
                border-left: 3px solid #2563eb;
                border-radius: 0 0.5rem 0.5rem 0;
            }
        }

        /* 板块间距 */
        .section-spacing {
            padding-top: 3.5rem;
            padding-bottom: 3.5rem;
        }
        @media (min-width: 768px) {
            .section-spacing {
                padding-top: 5rem;
                padding-bottom: 5rem;
            }
        }

        /* 卡片 */
        .card-base {
            background: #fff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            border: 1px solid #f1f5f9;
        }
        .card-base:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: #e2e8f0;
        }

        /* 按钮 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.7rem 1.6rem;
            border-radius: 0.5rem;
            background: #2563eb;
            color: #fff;
            border: none;
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: #1d4ed8;
            box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: scale(0.97);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.7rem 1.6rem;
            border-radius: 0.5rem;
            background: #fff;
            color: #2563eb;
            border: 2px solid #2563eb;
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-outline:hover {
            background: #eff6ff;
            border-color: #1d4ed8;
            color: #1d4ed8;
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.7rem 1.6rem;
            border-radius: 0.5rem;
            background: #f97316;
            color: #fff;
            border: none;
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-accent:hover {
            background: #ea580c;
            box-shadow: 0 6px 20px rgba(249, 115, 22, 0.35);
            transform: translateY(-1px);
        }

        /* 标签 */
        .badge {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.3rem 0.75rem;
            border-radius: 2rem;
            letter-spacing: 0.01em;
        }
        .badge-blue {
            background: #eff6ff;
            color: #2563eb;
        }
        .badge-green {
            background: #f0fdf4;
            color: #16a34a;
        }
        .badge-orange {
            background: #fff7ed;
            color: #f97316;
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid #e2e8f0;
            padding: 1.1rem 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            color: #2563eb;
        }
        .faq-question {
            font-weight: 600;
            font-size: 1.05rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
        }
        .faq-answer {
            color: #475569;
            margin-top: 0.5rem;
            line-height: 1.7;
            font-size: 0.95rem;
        }

        /* 进度条 */
        .progress-bar {
            height: 10px;
            background: #e2e8f0;
            border-radius: 10px;
            overflow: hidden;
        }
        .progress-fill {
            height: 100%;
            background: linear-gradient(90deg, #2563eb, #1d4ed8);
            border-radius: 10px;
            transition: width 1s ease;
        }

        /* 动画 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-fade-in-up {
            animation: fadeInUp 0.6s ease forwards;
        }

        /* 面包屑 */
        .breadcrumb {
            font-size: 0.875rem;
            color: #64748b;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: #475569;
        }
        .breadcrumb a:hover {
            color: #2563eb;
        }
        .breadcrumb .separator {
            color: #cbd5e1;
        }
        .breadcrumb .current {
            color: #2563eb;
            font-weight: 500;
        }

        /* 新闻列表 */
        .news-item {
            padding: 0.9rem 0;
            border-bottom: 1px solid #f1f5f9;
            transition: all var(--transition-fast);
        }
        .news-item:hover {
            background: #f8fafc;
            padding-left: 0.5rem;
            border-radius: 0.5rem;
        }
        .news-date {
            font-size: 0.8rem;
            color: #94a3b8;
            font-weight: 500;
        }
        .news-title {
            font-weight: 600;
            font-size: 0.95rem;
            color: #1e293b;
            margin: 0.15rem 0 0.25rem;
        }
        .news-summary {
            font-size: 0.85rem;
            color: #64748b;
            line-height: 1.5;
        }

/* roulang page: category2 */
:root {
            --color-brand-600: #2563eb;
            --color-brand-700: #1d4ed8;
            --color-brand-800: #1e40af;
            --color-accent-500: #f97316;
            --color-accent-600: #ea580c;
            --color-surface-50: #f8fafc;
            --color-surface-100: #f1f5f9;
            --color-surface-200: #e2e8f0;
            --color-surface-700: #334155;
            --color-surface-800: #1e293b;
            --color-surface-900: #0f172a;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 2px 8px rgba(0, 0, 0, 0.08), 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.08), 0 12px 32px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 8px 28px rgba(0, 0, 0, 0.10), 0 16px 48px rgba(0, 0, 0, 0.07);
            --radius-xl: 0.875rem;
            --radius-2xl: 1rem;
            --radius-3xl: 1.25rem;
            --transition-fast: 180ms ease;
            --transition-smooth: 280ms cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            margin: 0;
            font-family: "Inter", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: #1e293b;
            background-color: #f8fafc;
            min-height: 100vh;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container-custom {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media(min-width:768px) {
            .container-custom {
                padding-left: 1.75rem;
                padding-right: 1.75rem;
            }
        }

        @media(min-width:1024px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #ffffff;
            border-bottom: 1px solid #e2e8f0;
            box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 2px 8px rgba(0, 0, 0, 0.03);
            transition: box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08), 0 4px 16px rgba(0, 0, 0, 0.05);
        }

        .nav-logo {
            font-weight: 700;
            font-size: 1.35rem;
            letter-spacing: -0.01em;
            color: #1e40af;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .nav-logo .logo-icon {
            width: 2rem;
            height: 2rem;
            background: linear-gradient(135deg, #2563eb, #1d4ed8);
            border-radius: 0.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .nav-link {
            font-size: 0.925rem;
            font-weight: 500;
            color: #475569;
            padding: 0.5rem 0.85rem;
            border-radius: 0.5rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-link:hover {
            color: #2563eb;
            background: #eff6ff;
        }

        .nav-link.active {
            color: #2563eb;
            font-weight: 600;
            background: #eff6ff;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 2.5px;
            background: #2563eb;
            border-radius: 2px;
        }

        .nav-cta-btn {
            font-size: 0.875rem;
            font-weight: 600;
            padding: 0.55rem 1.3rem;
            border-radius: 0.5rem;
            background: #2563eb;
            color: #fff;
            border: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-cta-btn:hover {
            background: #1d4ed8;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
            transform: translateY(-1px);
        }

        /* 移动端导航 */
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            padding: 0.5rem;
            cursor: pointer;
            color: #334155;
        }

        .mobile-menu-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: currentColor;
            margin: 5px 0;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        @media(max-width:1023px) {
            .mobile-menu-toggle {
                display: block;
            }
            .nav-links-wrapper {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid #e2e8f0;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
                padding: 0.75rem 1rem;
                flex-direction: column;
                gap: 0.25rem;
                z-index: 99;
            }
            .nav-links-wrapper.open {
                display: flex;
            }
            .nav-link {
                padding: 0.7rem 1rem;
                border-radius: 0.5rem;
                width: 100%;
            }
            .nav-link.active::after {
                display: none;
            }
            .nav-link.active {
                border-left: 3px solid #2563eb;
                border-radius: 0 0.5rem 0.5rem 0;
            }
            .nav-cta-btn {
                margin-left: 0 !important;
                margin-top: 0.25rem;
                text-align: center;
                width: 100%;
                border-radius: 0.5rem;
            }
        }

        /* 板块间距 */
        .section-spacing {
            padding-top: 3.5rem;
            padding-bottom: 3.5rem;
        }

        @media(min-width:768px) {
            .section-spacing {
                padding-top: 5rem;
                padding-bottom: 5rem;
            }
        }

        /* 卡片 */
        .card-base {
            background: #fff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            border: 1px solid #f1f5f9;
        }

        .card-base:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        /* 优惠券卡片 */
        .coupon-card {
            background: #fff;
            border-radius: var(--radius-2xl);
            box-shadow: var(--shadow-card);
            border: 2px dashed #e2e8f0;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
            cursor: pointer;
        }

        .coupon-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: #2563eb;
            transform: translateY(-3px);
        }

        .coupon-card.main-coupon {
            border: 3px solid #2563eb;
            box-shadow: var(--shadow-xl);
            background: linear-gradient(135deg, #ffffff 0%, #eff6ff 100%);
            position: relative;
            z-index: 2;
        }

        .coupon-card.main-coupon::before {
            content: '';
            position: absolute;
            top: -20px;
            right: -20px;
            width: 80px;
            height: 80px;
            background: #f97316;
            border-radius: 50%;
            opacity: 0.15;
            pointer-events: none;
        }

        .coupon-card.main-coupon::after {
            content: '热门';
            position: absolute;
            top: 12px;
            right: 16px;
            background: #f97316;
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.25rem 0.7rem;
            border-radius: 1rem;
            letter-spacing: 0.05em;
            z-index: 3;
        }

        .coupon-cut {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 22px;
            height: 22px;
            background: #f8fafc;
            border-radius: 50%;
            border: 2px solid #e2e8f0;
            z-index: 1;
        }

        .coupon-cut.left {
            left: -11px;
        }

        .coupon-cut.right {
            right: -11px;
        }

        .main-coupon .coupon-cut {
            background: #f8fafc;
            border-color: #2563eb;
        }

        /* 按钮 */
        .btn-primary {
            display: inline-block;
            font-weight: 600;
            padding: 0.7rem 1.8rem;
            border-radius: 0.5rem;
            background: #2563eb;
            color: #fff;
            border: none;
            transition: all var(--transition-fast);
            text-align: center;
            font-size: 0.95rem;
        }

        .btn-primary:hover {
            background: #1d4ed8;
            box-shadow: 0 4px 16px rgba(37, 99, 235, 0.35);
            transform: translateY(-2px);
        }

        .btn-accent {
            display: inline-block;
            font-weight: 600;
            padding: 0.7rem 1.8rem;
            border-radius: 0.5rem;
            background: #f97316;
            color: #fff;
            border: none;
            transition: all var(--transition-fast);
            text-align: center;
            font-size: 0.95rem;
        }

        .btn-accent:hover {
            background: #ea580c;
            box-shadow: 0 4px 16px rgba(249, 115, 22, 0.35);
            transform: translateY(-2px);
        }

        .btn-outline {
            display: inline-block;
            font-weight: 600;
            padding: 0.65rem 1.7rem;
            border-radius: 0.5rem;
            background: transparent;
            color: #2563eb;
            border: 2px solid #2563eb;
            transition: all var(--transition-fast);
            text-align: center;
            font-size: 0.95rem;
        }

        .btn-outline:hover {
            background: #2563eb;
            color: #fff;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
        }

        /* 面包屑 */
        .breadcrumb-bar {
            background: #f8fafc;
            border-bottom: 1px solid #e2e8f0;
            padding: 0.6rem 0;
        }

        .breadcrumb-link {
            font-size: 0.85rem;
            color: #64748b;
            transition: color var(--transition-fast);
        }

        .breadcrumb-link:hover {
            color: #2563eb;
        }

        .breadcrumb-current {
            font-size: 0.85rem;
            color: #1e293b;
            font-weight: 600;
        }

        .breadcrumb-separator {
            color: #cbd5e1;
            margin: 0 0.4rem;
            font-size: 0.8rem;
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid #e2e8f0;
            padding: 1.1rem 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            background: #f8fafc;
            padding-left: 0.5rem;
            border-radius: 0.5rem;
        }

        .faq-question {
            font-weight: 600;
            font-size: 1.05rem;
            color: #1e293b;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
        }

        .faq-answer {
            color: #475569;
            font-size: 0.95rem;
            margin-top: 0.5rem;
            line-height: 1.75;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        .faq-icon {
            transition: transform var(--transition-fast);
            flex-shrink: 0;
            color: #2563eb;
            font-weight: 700;
            font-size: 1.2rem;
        }

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

        /* 证言卡片 */
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            padding: 1.5rem;
            border-left: 4px solid #2563eb;
            transition: all var(--transition-smooth);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        /* 响应式优惠券墙 */
        .coupon-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1rem;
            align-items: center;
        }

        @media(min-width:640px) {
            .coupon-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.25rem;
            }
        }

        @media(min-width:1024px) {
            .coupon-grid {
                grid-template-columns: 1fr 1.6fr 1fr;
                gap: 1.5rem;
            }
            .main-coupon-wrapper {
                transform: scale(1.05);
                z-index: 5;
            }
        }

        /* 统计数字 */
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: #2563eb;
            line-height: 1.1;
        }

        @media(min-width:768px) {
            .stat-number {
                font-size: 3rem;
            }
        }

        /* 流程步骤 */
        .step-circle {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: #2563eb;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
        }

        .step-connector {
            width: 2px;
            height: 30px;
            background: #cbd5e1;
            margin: 0 auto;
        }

        @media(min-width:768px) {
            .step-connector {
                width: 40px;
                height: 2px;
                margin: 0;
                align-self: center;
            }
        }

        /* 深色区块 */
        .dark-section {
            background: #0f172a;
            color: #e2e8f0;
        }

        .dark-section .card-base {
            background: #1e293b;
            border-color: #334155;
            color: #e2e8f0;
        }

        /* 标签 */
        .tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 0.3rem 0.7rem;
            border-radius: 1.5rem;
            background: #eff6ff;
            color: #2563eb;
            white-space: nowrap;
        }

        .tag-accent {
            background: #fff7ed;
            color: #f97316;
        }

        .tag-green {
            background: #f0fdf4;
            color: #16a34a;
        }

        /* 聚焦状态 */
        *:focus-visible {
            outline: 2px solid #2563eb;
            outline-offset: 2px;
            border-radius: 2px;
        }

/* roulang page: category3 */
:root {
            --color-brand-600: #2563eb;
            --color-brand-700: #1d4ed8;
            --color-brand-800: #1e40af;
            --color-accent-500: #f97316;
            --color-surface-50: #f8fafc;
            --color-surface-100: #f1f5f9;
            --color-surface-700: #334155;
            --color-surface-800: #1e293b;
            --color-surface-900: #0f172a;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 2px 8px rgba(0, 0, 0, 0.08), 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.08), 0 10px 32px rgba(0, 0, 0, 0.06);
            --radius-xl: 0.875rem;
            --radius-2xl: 1rem;
            --radius-3xl: 1.25rem;
            --transition-fast: 180ms ease;
            --transition-smooth: 280ms cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            margin: 0;
            font-family: "Inter", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: #1e293b;
            background-color: #f8fafc;
            min-height: 100vh;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container-custom {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media (min-width: 768px) {
            .container-custom {
                padding-left: 1.75rem;
                padding-right: 1.75rem;
            }
        }

        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #ffffff;
            border-bottom: 1px solid #e2e8f0;
            box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 2px 8px rgba(0, 0, 0, 0.03);
            transition: box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08), 0 4px 16px rgba(0, 0, 0, 0.05);
        }

        .nav-logo {
            font-weight: 700;
            font-size: 1.35rem;
            letter-spacing: -0.01em;
            color: #1e40af;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .nav-logo .logo-icon {
            width: 2rem;
            height: 2rem;
            background: linear-gradient(135deg, #2563eb, #1d4ed8);
            border-radius: 0.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .nav-link {
            font-size: 0.925rem;
            font-weight: 500;
            color: #475569;
            padding: 0.5rem 0.85rem;
            border-radius: 0.5rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-link:hover {
            color: #2563eb;
            background: #eff6ff;
        }

        .nav-link.active {
            color: #2563eb;
            font-weight: 600;
            background: #eff6ff;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 2.5px;
            background: #2563eb;
            border-radius: 2px;
        }

        .nav-cta-btn {
            font-size: 0.875rem;
            font-weight: 600;
            padding: 0.55rem 1.3rem;
            border-radius: 0.5rem;
            background: #2563eb;
            color: #fff;
            border: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-cta-btn:hover {
            background: #1d4ed8;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
            transform: translateY(-1px);
        }

        /* 移动端导航 */
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            padding: 0.5rem;
            cursor: pointer;
            color: #334155;
        }

        .mobile-menu-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: currentColor;
            margin: 5px 0;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        @media (max-width: 1023px) {
            .mobile-menu-toggle {
                display: block;
            }
            .nav-links-wrapper {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid #e2e8f0;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
                padding: 0.75rem 1rem;
                flex-direction: column;
                gap: 0.25rem;
                z-index: 99;
            }
            .nav-links-wrapper.open {
                display: flex;
            }
            .nav-link {
                padding: 0.7rem 1rem;
                border-radius: 0.5rem;
                width: 100%;
            }
            .nav-link.active::after {
                display: none;
            }
            .nav-link.active {
                border-left: 3px solid #2563eb;
                border-radius: 0 0.5rem 0.5rem 0;
            }
            .nav-cta-btn {
                width: 100%;
                text-align: center;
                margin-left: 0 !important;
                margin-top: 0.25rem;
            }
        }

        @media (min-width: 1024px) {
            .nav-links-wrapper {
                display: flex !important;
                position: static;
                flex-direction: row;
                background: transparent;
                border: none;
                box-shadow: none;
                padding: 0;
                gap: 0.3rem;
                flex-wrap: nowrap;
                align-items: center;
            }
        }

        /* 板块间距 */
        .section-spacing {
            padding-top: 3.5rem;
            padding-bottom: 3.5rem;
        }

        @media (min-width: 768px) {
            .section-spacing {
                padding-top: 5rem;
                padding-bottom: 5rem;
            }
        }

        /* 卡片 */
        .card-base {
            background: #fff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            border: 1px solid #f1f5f9;
        }

        .card-base:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .card-hover-lift {
            transition: all var(--transition-smooth);
        }

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

        /* 按钮 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.75rem 1.75rem;
            font-weight: 600;
            font-size: 1rem;
            border-radius: 0.6rem;
            background: #2563eb;
            color: #fff;
            border: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: #1d4ed8;
            box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.7rem 1.6rem;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: 0.6rem;
            background: #fff;
            color: #2563eb;
            border: 2px solid #2563eb;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-outline:hover {
            background: #eff6ff;
            border-color: #1d4ed8;
            color: #1d4ed8;
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.75rem 1.75rem;
            font-weight: 600;
            font-size: 1rem;
            border-radius: 0.6rem;
            background: #f97316;
            color: #fff;
            border: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-accent:hover {
            background: #ea580c;
            box-shadow: 0 6px 20px rgba(249, 115, 22, 0.35);
            transform: translateY(-2px);
        }

        .btn-lg {
            padding: 0.9rem 2.2rem;
            font-size: 1.1rem;
            border-radius: 0.7rem;
        }

        /* 标签 */
        .badge-tag {
            display: inline-block;
            padding: 0.3rem 0.8rem;
            font-size: 0.8rem;
            font-weight: 600;
            border-radius: 2rem;
            background: #eff6ff;
            color: #2563eb;
            white-space: nowrap;
        }

        .badge-accent {
            display: inline-block;
            padding: 0.3rem 0.8rem;
            font-size: 0.8rem;
            font-weight: 600;
            border-radius: 2rem;
            background: #fff7ed;
            color: #f97316;
            white-space: nowrap;
        }

        .badge-green {
            display: inline-block;
            padding: 0.3rem 0.8rem;
            font-size: 0.8rem;
            font-weight: 600;
            border-radius: 2rem;
            background: #f0fdf4;
            color: #16a34a;
            white-space: nowrap;
        }

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

        .faq-item:first-child {
            border-top: 1px solid #e2e8f0;
        }

        .faq-question {
            font-weight: 600;
            font-size: 1.05rem;
            color: #1e293b;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            user-select: none;
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 1.5rem;
            height: 1.5rem;
            border-radius: 50%;
            background: #eff6ff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: #2563eb;
            transition: transform var(--transition-fast);
            font-size: 0.85rem;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: #2563eb;
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            color: #475569;
            font-size: 0.95rem;
            line-height: 1.75;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding-top: 0.8rem;
        }

        /* 面包屑 */
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.4rem;
            font-size: 0.875rem;
            color: #64748b;
            padding: 0.8rem 0;
        }

        .breadcrumb-nav a {
            color: #2563eb;
            font-weight: 500;
        }

        .breadcrumb-nav a:hover {
            color: #1d4ed8;
            text-decoration: underline;
        }

        .breadcrumb-nav .separator {
            color: #cbd5e1;
            user-select: none;
        }

        .breadcrumb-nav .current {
            color: #334155;
            font-weight: 500;
        }

        /* 系列导航条（Hero内子分类标签） */
        .sub-nav-pill {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 1.1rem;
            font-size: 0.9rem;
            font-weight: 500;
            border-radius: 2rem;
            background: rgba(255, 255, 255, 0.85);
            color: #1e293b;
            border: 1px solid rgba(255, 255, 255, 0.6);
            backdrop-filter: blur(4px);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .sub-nav-pill:hover {
            background: #fff;
            color: #2563eb;
            border-color: #2563eb;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
            transform: translateY(-1px);
        }

        .sub-nav-pill.active-pill {
            background: #2563eb;
            color: #fff;
            border-color: #2563eb;
            font-weight: 600;
        }

        /* 证言卡片 */
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 1.5rem;
            box-shadow: var(--shadow-card);
            border: 1px solid #f1f5f9;
            position: relative;
        }

        .testimonial-card::before {
            content: '"';
            position: absolute;
            top: 0.5rem;
            left: 1rem;
            font-size: 3rem;
            color: #e2e8f0;
            font-weight: 700;
            line-height: 1;
            pointer-events: none;
        }

        /* 统计数字 */
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: #2563eb;
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        @media (min-width: 768px) {
            .stat-number {
                font-size: 3rem;
            }
        }

        /* Hero背景覆盖层 */
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 23, 42, 0.65) 0%, rgba(15, 23, 42, 0.45) 40%, rgba(15, 23, 42, 0.7) 100%);
            z-index: 1;
        }

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

        /* 滚动条美化 */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: #f1f5f9;
        }
        ::-webkit-scrollbar-thumb {
            background: #cbd5e1;
            border-radius: 3px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #94a3b8;
        }

        /* 焦点可访问性 */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid #2563eb;
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* 动画 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-fade-in-up {
            animation: fadeInUp 0.6s ease forwards;
        }
        .animate-delay-1 {
            animation-delay: 0.1s;
            opacity: 0;
        }
        .animate-delay-2 {
            animation-delay: 0.2s;
            opacity: 0;
        }
        .animate-delay-3 {
            animation-delay: 0.3s;
            opacity: 0;
        }

/* roulang page: category1 */
:root {
            --color-brand-600: #2563eb;
            --color-brand-700: #1d4ed8;
            --color-brand-800: #1e40af;
            --color-accent-500: #f97316;
            --color-surface-50: #f8fafc;
            --color-surface-100: #f1f5f9;
            --color-surface-700: #334155;
            --color-surface-800: #1e293b;
            --color-surface-900: #0f172a;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 2px 8px rgba(0, 0, 0, 0.08), 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.08), 0 12px 32px rgba(0, 0, 0, 0.06);
            --radius-xl: 0.875rem;
            --radius-2xl: 1rem;
            --radius-3xl: 1.25rem;
            --transition-fast: 180ms ease;
            --transition-smooth: 280ms cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            margin: 0;
            font-family: "Inter", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: #1e293b;
            background-color: #f8fafc;
            min-height: 100vh;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container-custom {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media (min-width: 768px) {
            .container-custom {
                padding-left: 1.75rem;
                padding-right: 1.75rem;
            }
        }
        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #ffffff;
            border-bottom: 1px solid #e2e8f0;
            box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 2px 8px rgba(0, 0, 0, 0.03);
            transition: box-shadow var(--transition-smooth);
        }
        .site-header.scrolled {
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08), 0 4px 16px rgba(0, 0, 0, 0.05);
        }
        .nav-logo {
            font-weight: 700;
            font-size: 1.35rem;
            letter-spacing: -0.01em;
            color: #1e40af;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .nav-logo .logo-icon {
            width: 2rem;
            height: 2rem;
            background: linear-gradient(135deg, #2563eb, #1d4ed8);
            border-radius: 0.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .nav-link {
            font-size: 0.925rem;
            font-weight: 500;
            color: #475569;
            padding: 0.5rem 0.85rem;
            border-radius: 0.5rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-link:hover {
            color: #2563eb;
            background: #eff6ff;
        }
        .nav-link.active {
            color: #2563eb;
            font-weight: 600;
            background: #eff6ff;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 2.5px;
            background: #2563eb;
            border-radius: 2px;
        }
        .nav-cta-btn {
            font-size: 0.875rem;
            font-weight: 600;
            padding: 0.55rem 1.3rem;
            border-radius: 0.5rem;
            background: #2563eb;
            color: #fff;
            border: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-cta-btn:hover {
            background: #1d4ed8;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
            transform: translateY(-1px);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            padding: 0.5rem;
            cursor: pointer;
            color: #334155;
        }
        .mobile-menu-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: currentColor;
            margin: 5px 0;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        @media (max-width: 1023px) {
            .mobile-menu-toggle {
                display: block;
            }
            .nav-links-wrapper {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid #e2e8f0;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
                padding: 0.75rem 1rem;
                flex-direction: column;
                gap: 0.25rem;
                z-index: 99;
            }
            .nav-links-wrapper.open {
                display: flex;
            }
            .nav-link {
                padding: 0.7rem 1rem;
                border-radius: 0.5rem;
                width: 100%;
            }
            .nav-link.active::after {
                display: none;
            }
            .nav-link.active {
                border-left: 3px solid #2563eb;
                border-radius: 0 0.5rem 0.5rem 0;
            }
        }

        .section-spacing {
            padding-top: 3.5rem;
            padding-bottom: 3.5rem;
        }
        @media (min-width: 768px) {
            .section-spacing {
                padding-top: 5rem;
                padding-bottom: 5rem;
            }
        }

        .card-base {
            background: #fff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            border: 1px solid #f1f5f9;
        }
        .card-base:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .card-elevated {
            background: #fff;
            border-radius: var(--radius-2xl);
            box-shadow: var(--shadow-lg);
            border: 1px solid #e2e8f0;
            transition: all var(--transition-smooth);
        }
        .card-elevated:hover {
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.1), 0 16px 40px rgba(0, 0, 0, 0.07);
            transform: translateY(-3px);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.7rem 1.6rem;
            border-radius: 0.6rem;
            background: #2563eb;
            color: #fff;
            border: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: #1d4ed8;
            box-shadow: 0 6px 18px rgba(37, 99, 235, 0.35);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(37, 99, 235, 0.25);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.7rem 1.6rem;
            border-radius: 0.6rem;
            background: transparent;
            color: #2563eb;
            border: 2px solid #2563eb;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-outline:hover {
            background: #eff6ff;
            border-color: #1d4ed8;
            color: #1d4ed8;
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.7rem 1.6rem;
            border-radius: 0.6rem;
            background: #f97316;
            color: #fff;
            border: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-accent:hover {
            background: #ea580c;
            box-shadow: 0 6px 18px rgba(249, 115, 22, 0.35);
            transform: translateY(-1px);
        }

        .badge-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.3rem 0.75rem;
            border-radius: 2rem;
            background: #eff6ff;
            color: #2563eb;
            white-space: nowrap;
        }
        .badge-accent {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.3rem 0.75rem;
            border-radius: 2rem;
            background: #fff7ed;
            color: #f97316;
            white-space: nowrap;
        }

        .breadcrumb-nav {
            background: #f8fafc;
            border-bottom: 1px solid #e2e8f0;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            color: #64748b;
        }
        .breadcrumb-nav a {
            color: #475569;
            transition: color var(--transition-fast);
        }
        .breadcrumb-nav a:hover {
            color: #2563eb;
        }
        .breadcrumb-nav .separator {
            margin: 0 0.5rem;
            color: #cbd5e1;
        }
        .breadcrumb-nav .current {
            color: #1e293b;
            font-weight: 500;
        }

        .faq-item {
            border-bottom: 1px solid #e2e8f0;
            padding: 1.1rem 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .faq-item:first-child {
            border-top: 1px solid #e2e8f0;
        }
        .faq-item .faq-question {
            font-weight: 600;
            font-size: 1rem;
            color: #1e293b;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            user-select: none;
        }
        .faq-item .faq-icon {
            flex-shrink: 0;
            width: 1.5rem;
            height: 1.5rem;
            border-radius: 50%;
            background: #eff6ff;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
            color: #2563eb;
            font-size: 0.75rem;
        }
        .faq-item.open .faq-icon {
            background: #2563eb;
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
            color: #475569;
            font-size: 0.925rem;
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 20rem;
            padding-top: 0.75rem;
        }

        .hero-overlay-bg {
            position: relative;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }
        .hero-overlay-bg::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.88) 0%, rgba(30, 58, 138, 0.78) 50%, rgba(15, 23, 42, 0.85) 100%);
            z-index: 1;
        }
        .hero-overlay-bg>* {
            position: relative;
            z-index: 2;
        }

        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: #2563eb;
            line-height: 1.2;
            letter-spacing: -0.02em;
        }
        @media (min-width: 768px) {
            .stat-number {
                font-size: 2.8rem;
            }
        }

        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-2xl);
            padding: 1.5rem;
            box-shadow: var(--shadow-card);
            border: 1px solid #f1f5f9;
            position: relative;
        }
        .testimonial-card::before {
            content: '\201C';
            position: absolute;
            top: 0.5rem;
            left: 1rem;
            font-size: 3.5rem;
            color: #e2e8f0;
            font-weight: 900;
            line-height: 1;
            font-family: Georgia, serif;
            pointer-events: none;
        }

        .step-indicator {
            width: 3rem;
            height: 3rem;
            border-radius: 50%;
            background: #2563eb;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            flex-shrink: 0;
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
        }

        .input-field {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 0.6rem;
            font-size: 0.95rem;
            font-family: inherit;
            transition: all var(--transition-fast);
            background: #fff;
            color: #1e293b;
            outline: none;
        }
        .input-field:focus {
            border-color: #2563eb;
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
        }
        .input-field::placeholder {
            color: #94a3b8;
        }

        @media (max-width: 640px) {
            .stat-number {
                font-size: 1.8rem;
            }
            .btn-primary,
            .btn-outline,
            .btn-accent {
                font-size: 0.875rem;
                padding: 0.6rem 1.3rem;
            }
            .section-spacing {
                padding-top: 2.5rem;
                padding-bottom: 2.5rem;
            }
        }

/* roulang page: category4 */
:root {
            --color-brand-600: #2563eb;
            --color-brand-700: #1d4ed8;
            --color-brand-800: #1e40af;
            --color-accent-500: #f97316;
            --color-surface-50: #f8fafc;
            --color-surface-100: #f1f5f9;
            --color-surface-700: #334155;
            --color-surface-800: #1e293b;
            --color-surface-900: #0f172a;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 2px 8px rgba(0, 0, 0, 0.08), 0 8px 24px rgba(0, 0, 0, 0.06);
            --radius-xl: 0.875rem;
            --radius-2xl: 1rem;
            --transition-fast: 180ms ease;
            --transition-smooth: 280ms cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            margin: 0;
            font-family: "Inter", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: #1e293b;
            background-color: #f8fafc;
            min-height: 100vh;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container-custom {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media (min-width: 768px) {
            .container-custom {
                padding-left: 1.75rem;
                padding-right: 1.75rem;
            }
        }

        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #ffffff;
            border-bottom: 1px solid #e2e8f0;
            box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 2px 8px rgba(0, 0, 0, 0.03);
            transition: box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08), 0 4px 16px rgba(0, 0, 0, 0.05);
        }

        .nav-logo {
            font-weight: 700;
            font-size: 1.35rem;
            letter-spacing: -0.01em;
            color: #1e40af;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .nav-logo .logo-icon {
            width: 2rem;
            height: 2rem;
            background: linear-gradient(135deg, #2563eb, #1d4ed8);
            border-radius: 0.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .nav-link {
            font-size: 0.925rem;
            font-weight: 500;
            color: #475569;
            padding: 0.5rem 0.85rem;
            border-radius: 0.5rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-link:hover {
            color: #2563eb;
            background: #eff6ff;
        }

        .nav-link.active {
            color: #2563eb;
            font-weight: 600;
            background: #eff6ff;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 2.5px;
            background: #2563eb;
            border-radius: 2px;
        }

        .nav-cta-btn {
            font-size: 0.875rem;
            font-weight: 600;
            padding: 0.55rem 1.3rem;
            border-radius: 0.5rem;
            background: #2563eb;
            color: #fff;
            border: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-cta-btn:hover {
            background: #1d4ed8;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
            transform: translateY(-1px);
        }

        /* 移动端导航 */
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            padding: 0.5rem;
            cursor: pointer;
            color: #334155;
        }

        .mobile-menu-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: currentColor;
            margin: 5px 0;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        @media (max-width: 1023px) {
            .mobile-menu-toggle {
                display: block;
            }
            .nav-links-wrapper {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid #e2e8f0;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
                padding: 0.75rem 1rem;
                flex-direction: column;
                gap: 0.25rem;
                z-index: 99;
            }
            .nav-links-wrapper.open {
                display: flex;
            }
            .nav-link {
                padding: 0.7rem 1rem;
                border-radius: 0.5rem;
                width: 100%;
            }
            .nav-link.active::after {
                display: none;
            }
            .nav-link.active {
                border-left: 3px solid #2563eb;
                border-radius: 0 0.5rem 0.5rem 0;
            }
            .nav-cta-btn {
                margin-left: 0 !important;
                width: 100%;
                text-align: center;
                margin-top: 0.25rem;
            }
        }

        @media (min-width: 1024px) {
            .nav-links-wrapper {
                display: flex !important;
                position: static;
                flex-direction: row;
                background: transparent;
                border-bottom: none;
                box-shadow: none;
                padding: 0;
                gap: 0.3rem;
                flex-wrap: nowrap;
            }
            .nav-link {
                width: auto;
                padding: 0.5rem 0.85rem;
            }
            .nav-link.active {
                border-left: none;
                border-radius: 0.5rem;
            }
            .nav-link.active::after {
                display: block;
            }
        }

        /* 板块间距 */
        .section-spacing {
            padding-top: 3.5rem;
            padding-bottom: 3.5rem;
        }

        @media (min-width: 768px) {
            .section-spacing {
                padding-top: 5rem;
                padding-bottom: 5rem;
            }
        }

        /* 卡片 */
        .card-base {
            background: #fff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            border: 1px solid #f1f5f9;
        }

        .card-base:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        /* 面包屑 */
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.875rem;
            color: #64748b;
            padding: 0.75rem 0;
        }

        .breadcrumb a {
            color: #64748b;
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: #2563eb;
        }

        .breadcrumb .separator {
            color: #cbd5e1;
            user-select: none;
        }

        .breadcrumb .current {
            color: #1e293b;
            font-weight: 600;
        }

        /* 按钮 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.7rem 1.8rem;
            border-radius: 0.5rem;
            background: #2563eb;
            color: #fff;
            border: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: #1d4ed8;
            box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
            transform: translateY(-2px);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.65rem 1.7rem;
            border-radius: 0.5rem;
            background: #fff;
            color: #2563eb;
            border: 2px solid #2563eb;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-outline:hover {
            background: #eff6ff;
            border-color: #1d4ed8;
            color: #1d4ed8;
        }

        /* 标签 */
        .badge-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.3rem 0.75rem;
            border-radius: 999px;
            background: #eff6ff;
            color: #2563eb;
            letter-spacing: 0.01em;
        }

        .badge-accent {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.3rem 0.75rem;
            border-radius: 999px;
            background: #fff7ed;
            color: #f97316;
            letter-spacing: 0.01em;
        }

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

        .faq-item:first-child {
            border-top: 1px solid #e2e8f0;
        }

        .faq-question {
            font-weight: 600;
            font-size: 1.05rem;
            color: #1e293b;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            transition: color var(--transition-fast);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding-top 0.4s ease;
            font-size: 0.95rem;
            color: #475569;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding-top: 0.75rem;
        }

        .faq-item.open .faq-question {
            color: #2563eb;
        }

        .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition-fast);
            font-size: 1.2rem;
            color: #94a3b8;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: #2563eb;
        }

        /* 统计数字 */
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: #1e40af;
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        @media (min-width: 768px) {
            .stat-number {
                font-size: 3rem;
            }
        }

        /* 证言卡片 */
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 1.5rem;
            box-shadow: var(--shadow-card);
            border: 1px solid #f1f5f9;
            position: relative;
        }

        .testimonial-card::before {
            content: '"';
            position: absolute;
            top: 0.5rem;
            left: 1rem;
            font-size: 4rem;
            color: #e2e8f0;
            font-weight: 700;
            line-height: 1;
            z-index: 0;
            pointer-events: none;
        }

        .testimonial-card .quote-text {
            position: relative;
            z-index: 1;
            font-style: italic;
            color: #475569;
            line-height: 1.8;
        }

        /* 流程步骤 */
        .step-number {
            width: 3rem;
            height: 3rem;
            border-radius: 50%;
            background: linear-gradient(135deg, #2563eb, #1d4ed8);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
        }

        /* 游戏卡片图片容器 */
        .game-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        }

        @media (min-width: 768px) {
            .game-card-img {
                height: 200px;
            }
        }

/* roulang page: category6 */
:root {
            --color-brand-600: #2563eb;
            --color-brand-700: #1d4ed8;
            --color-brand-800: #1e40af;
            --color-accent-500: #f97316;
            --color-accent-600: #ea580c;
            --color-gold-400: #eab308;
            --color-gold-500: #ca8a04;
            --color-gold-600: #a16207;
            --color-surface-50: #f8fafc;
            --color-surface-100: #f1f5f9;
            --color-surface-200: #e2e8f0;
            --color-surface-700: #334155;
            --color-surface-800: #1e293b;
            --color-surface-900: #0f172a;
            --color-surface-950: #020617;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 2px 8px rgba(0, 0, 0, 0.08), 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.08), 0 12px 32px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 8px 28px rgba(0, 0, 0, 0.1), 0 16px 48px rgba(0, 0, 0, 0.08);
            --shadow-gold: 0 4px 20px rgba(202, 138, 4, 0.25), 0 8px 36px rgba(202, 138, 4, 0.15);
            --radius-xl: 0.875rem;
            --radius-2xl: 1rem;
            --radius-3xl: 1.25rem;
            --transition-fast: 180ms ease;
            --transition-smooth: 280ms cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            margin: 0;
            font-family: "Inter", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: #1e293b;
            background-color: #f8fafc;
            min-height: 100vh;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container-custom {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media (min-width: 768px) {
            .container-custom {
                padding-left: 1.75rem;
                padding-right: 1.75rem;
            }
        }

        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #ffffff;
            border-bottom: 1px solid #e2e8f0;
            box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 2px 8px rgba(0, 0, 0, 0.03);
            transition: box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08), 0 4px 16px rgba(0, 0, 0, 0.05);
        }

        .nav-logo {
            font-weight: 700;
            font-size: 1.35rem;
            letter-spacing: -0.01em;
            color: #1e40af;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .nav-logo .logo-icon {
            width: 2rem;
            height: 2rem;
            background: linear-gradient(135deg, #2563eb, #1d4ed8);
            border-radius: 0.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .nav-link {
            font-size: 0.925rem;
            font-weight: 500;
            color: #475569;
            padding: 0.5rem 0.85rem;
            border-radius: 0.5rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-link:hover {
            color: #2563eb;
            background: #eff6ff;
        }

        .nav-link.active {
            color: #2563eb;
            font-weight: 600;
            background: #eff6ff;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 2.5px;
            background: #2563eb;
            border-radius: 2px;
        }

        .nav-cta-btn {
            font-size: 0.875rem;
            font-weight: 600;
            padding: 0.55rem 1.3rem;
            border-radius: 0.5rem;
            background: #2563eb;
            color: #fff;
            border: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-cta-btn:hover {
            background: #1d4ed8;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            padding: 0.5rem;
            cursor: pointer;
            color: #334155;
        }

        .mobile-menu-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: currentColor;
            margin: 5px 0;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        @media (max-width: 1023px) {
            .mobile-menu-toggle {
                display: block;
            }
            .nav-links-wrapper {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid #e2e8f0;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
                padding: 0.75rem 1rem;
                flex-direction: column;
                gap: 0.25rem;
                z-index: 99;
            }
            .nav-links-wrapper.open {
                display: flex;
            }
            .nav-link {
                padding: 0.7rem 1rem;
                border-radius: 0.5rem;
                width: 100%;
            }
            .nav-link.active::after {
                display: none;
            }
            .nav-link.active {
                border-left: 3px solid #2563eb;
                border-radius: 0 0.5rem 0.5rem 0;
            }
            .nav-cta-btn {
                margin-left: 0 !important;
                width: 100%;
                text-align: center;
                margin-top: 0.4rem;
            }
        }

        @media (min-width: 1024px) {
            .nav-links-wrapper {
                display: flex !important;
                position: static;
                background: transparent;
                border-bottom: none;
                box-shadow: none;
                padding: 0;
                flex-direction: row;
                gap: 0.3rem;
            }
            .nav-link.active {
                border-left: none;
                border-radius: 0.5rem;
            }
            .nav-link.active::after {
                display: block;
            }
        }

        /* 面包屑 */
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.85rem;
            color: #64748b;
            padding: 0.75rem 0;
        }
        .breadcrumb a {
            color: #64748b;
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: #2563eb;
        }
        .breadcrumb .separator {
            color: #cbd5e1;
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: #1e293b;
            font-weight: 600;
        }

        /* 板块间距 */
        .section-spacing {
            padding-top: 3.5rem;
            padding-bottom: 3.5rem;
        }
        @media (min-width: 768px) {
            .section-spacing {
                padding-top: 5rem;
                padding-bottom: 5rem;
            }
        }

        /* 卡片 */
        .card-base {
            background: #fff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            border: 1px solid #f1f5f9;
        }
        .card-base:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .card-gold {
            background: #fff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-gold);
            transition: all var(--transition-smooth);
            border: 2px solid #eab308;
            position: relative;
        }
        .card-gold:hover {
            box-shadow: 0 8px 32px rgba(202, 138, 4, 0.3), 0 16px 48px rgba(202, 138, 4, 0.2);
            transform: translateY(-3px);
        }
        .card-gold .gold-badge {
            position: absolute;
            top: -14px;
            right: 20px;
            background: linear-gradient(135deg, #eab308, #ca8a04);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.35rem 0.9rem;
            border-radius: 1rem;
            letter-spacing: 0.03em;
            box-shadow: 0 2px 8px rgba(202, 138, 4, 0.35);
        }

        /* 按钮 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 600;
            padding: 0.7rem 1.6rem;
            border-radius: 0.5rem;
            background: #2563eb;
            color: #fff;
            border: none;
            transition: all var(--transition-fast);
            font-size: 0.95rem;
            cursor: pointer;
        }
        .btn-primary:hover {
            background: #1d4ed8;
            box-shadow: 0 4px 16px rgba(37, 99, 235, 0.35);
            transform: translateY(-1px);
        }

        .btn-gold {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 600;
            padding: 0.7rem 1.6rem;
            border-radius: 0.5rem;
            background: linear-gradient(135deg, #eab308, #ca8a04);
            color: #fff;
            border: none;
            transition: all var(--transition-fast);
            font-size: 0.95rem;
            cursor: pointer;
        }
        .btn-gold:hover {
            background: linear-gradient(135deg, #ca8a04, #a16207);
            box-shadow: 0 4px 20px rgba(202, 138, 4, 0.4);
            transform: translateY(-1px);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 600;
            padding: 0.65rem 1.5rem;
            border-radius: 0.5rem;
            background: transparent;
            color: #2563eb;
            border: 2px solid #2563eb;
            transition: all var(--transition-fast);
            font-size: 0.95rem;
            cursor: pointer;
        }
        .btn-outline:hover {
            background: #eff6ff;
            border-color: #1d4ed8;
            color: #1d4ed8;
        }

        /* Hero暗底沉浸式 */
        .hero-dark {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: #020617;
        }
        .hero-dark .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            object-fit: cover;
            width: 100%;
            height: 100%;
            opacity: 0.45;
        }
        .hero-dark .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(180deg, rgba(2, 6, 23, 0.7) 0%, rgba(15, 23, 42, 0.85) 50%, rgba(2, 6, 23, 0.95) 100%);
        }
        .hero-dark .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(234, 179, 8, 0.2);
            border: 1px solid rgba(234, 179, 8, 0.4);
            color: #fde047;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.35rem 0.9rem;
            border-radius: 1.5rem;
            letter-spacing: 0.04em;
            backdrop-filter: blur(8px);
        }
        .hero-badge .pulse-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #facc15;
            animation: pulse-dot 1.8s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(250, 204, 21, 0.6);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(250, 204, 21, 0);
            }
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid #e2e8f0;
            padding: 1.1rem 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            color: #2563eb;
        }
        .faq-question {
            font-weight: 600;
            font-size: 1.02rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            color: #1e293b;
            transition: color var(--transition-fast);
        }
        .faq-item:hover .faq-question {
            color: #2563eb;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            color: #475569;
            font-size: 0.95rem;
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 0.6rem;
        }
        .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition-smooth);
            font-size: 0.85rem;
            color: #94a3b8;
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            color: #2563eb;
        }

        /* 证言卡片 */
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 1.5rem;
            box-shadow: var(--shadow-card);
            border: 1px solid #f1f5f9;
            transition: all var(--transition-smooth);
            position: relative;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .testimonial-card .quote-icon {
            font-size: 2.5rem;
            color: #e2e8f0;
            position: absolute;
            top: 0.8rem;
            right: 1.2rem;
            line-height: 1;
        }

        /* 等级卡片 */
        .tier-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 1.8rem 1.5rem;
            box-shadow: var(--shadow-card);
            border: 1px solid #e2e8f0;
            transition: all var(--transition-smooth);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .tier-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .tier-card.featured {
            border: 2px solid #eab308;
            box-shadow: var(--shadow-gold);
        }
        .tier-card .tier-ribbon {
            position: absolute;
            top: 18px;
            right: -30px;
            background: #eab308;
            color: #1e293b;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 0.25rem 2.5rem;
            transform: rotate(45deg);
            letter-spacing: 0.04em;
        }

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

        /* 页脚 */
        .site-footer a {
            transition: color var(--transition-fast);
        }
        .site-footer a:hover {
            color: #fff;
        }

/* roulang page: category7 */
:root {
            --color-brand-600: #2563eb;
            --color-brand-700: #1d4ed8;
            --color-brand-800: #1e40af;
            --color-accent-500: #f97316;
            --color-accent-600: #ea580c;
            --color-surface-50: #f8fafc;
            --color-surface-100: #f1f5f9;
            --color-surface-200: #e2e8f0;
            --color-surface-700: #334155;
            --color-surface-800: #1e293b;
            --color-surface-900: #0f172a;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 2px 8px rgba(0, 0, 0, 0.08), 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.08), 0 12px 32px rgba(0, 0, 0, 0.06);
            --radius-xl: 0.875rem;
            --radius-2xl: 1rem;
            --radius-3xl: 1.25rem;
            --transition-fast: 180ms ease;
            --transition-smooth: 280ms cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            margin: 0;
            font-family: "Inter", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: #1e293b;
            background-color: #f8fafc;
            min-height: 100vh;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container-custom {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media (min-width: 768px) {
            .container-custom {
                padding-left: 1.75rem;
                padding-right: 1.75rem;
            }
        }
        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #ffffff;
            border-bottom: 1px solid #e2e8f0;
            box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 2px 8px rgba(0, 0, 0, 0.03);
            transition: box-shadow var(--transition-smooth);
        }
        .site-header.scrolled {
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08), 0 4px 16px rgba(0, 0, 0, 0.05);
        }
        .nav-logo {
            font-weight: 700;
            font-size: 1.35rem;
            letter-spacing: -0.01em;
            color: #1e40af;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .nav-logo .logo-icon {
            width: 2rem;
            height: 2rem;
            background: linear-gradient(135deg, #2563eb, #1d4ed8);
            border-radius: 0.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .nav-link {
            font-size: 0.925rem;
            font-weight: 500;
            color: #475569;
            padding: 0.5rem 0.85rem;
            border-radius: 0.5rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-link:hover {
            color: #2563eb;
            background: #eff6ff;
        }
        .nav-link.active {
            color: #2563eb;
            font-weight: 600;
            background: #eff6ff;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 2.5px;
            background: #2563eb;
            border-radius: 2px;
        }
        .nav-cta-btn {
            font-size: 0.875rem;
            font-weight: 600;
            padding: 0.55rem 1.3rem;
            border-radius: 0.5rem;
            background: #2563eb;
            color: #fff;
            border: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-cta-btn:hover {
            background: #1d4ed8;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
            transform: translateY(-1px);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            padding: 0.5rem;
            cursor: pointer;
            color: #334155;
        }
        .mobile-menu-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: currentColor;
            margin: 5px 0;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        @media (max-width: 1023px) {
            .mobile-menu-toggle {
                display: block;
            }
            .nav-links-wrapper {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid #e2e8f0;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
                padding: 0.75rem 1rem;
                flex-direction: column;
                gap: 0.25rem;
                z-index: 99;
            }
            .nav-links-wrapper.open {
                display: flex;
            }
            .nav-link {
                padding: 0.7rem 1rem;
                border-radius: 0.5rem;
                width: 100%;
            }
            .nav-link.active::after {
                display: none;
            }
            .nav-link.active {
                border-left: 3px solid #2563eb;
                border-radius: 0 0.5rem 0.5rem 0;
            }
            .nav-cta-btn {
                margin-left: 0 !important;
                text-align: center;
                width: 100%;
                margin-top: 0.25rem;
            }
        }
        @media (min-width: 1024px) {
            .nav-links-wrapper {
                display: flex !important;
                position: static;
                background: transparent;
                border: none;
                box-shadow: none;
                padding: 0;
                flex-direction: row;
                gap: 0.3rem;
                flex-wrap: nowrap;
            }
        }

        /* 板块间距 */
        .section-spacing {
            padding-top: 3.5rem;
            padding-bottom: 3.5rem;
        }
        @media (min-width: 768px) {
            .section-spacing {
                padding-top: 5rem;
                padding-bottom: 5rem;
            }
        }

        /* 卡片 */
        .card-base {
            background: #fff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            border: 1px solid #f1f5f9;
        }
        .card-base:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        /* 按钮 */
        .btn-brand {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            font-weight: 600;
            padding: 0.7rem 1.6rem;
            border-radius: 0.5rem;
            background: #2563eb;
            color: #fff;
            border: none;
            transition: all var(--transition-fast);
            font-size: 0.95rem;
            white-space: nowrap;
        }
        .btn-brand:hover {
            background: #1d4ed8;
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
            transform: translateY(-1px);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            font-weight: 600;
            padding: 0.7rem 1.6rem;
            border-radius: 0.5rem;
            background: #fff;
            color: #2563eb;
            border: 2px solid #2563eb;
            transition: all var(--transition-fast);
            font-size: 0.95rem;
            white-space: nowrap;
        }
        .btn-outline:hover {
            background: #eff6ff;
            border-color: #1d4ed8;
            color: #1d4ed8;
            transform: translateY(-1px);
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            font-weight: 600;
            padding: 0.7rem 1.6rem;
            border-radius: 0.5rem;
            background: #f97316;
            color: #fff;
            border: none;
            transition: all var(--transition-fast);
            font-size: 0.95rem;
            white-space: nowrap;
        }
        .btn-accent:hover {
            background: #ea580c;
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.35);
            transform: translateY(-1px);
        }

        /* 面包屑 */
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
            align-items: center;
            font-size: 0.875rem;
            color: #64748b;
            padding: 0.75rem 0;
        }
        .breadcrumb a {
            color: #475569;
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: #2563eb;
        }
        .breadcrumb .separator {
            color: #cbd5e1;
            user-select: none;
        }
        .breadcrumb .current {
            color: #2563eb;
            font-weight: 600;
        }

        /* FAQ */
        .faq-item {
            border: 1px solid #e2e8f0;
            border-radius: var(--radius-xl);
            overflow: hidden;
            transition: all var(--transition-fast);
            background: #fff;
        }
        .faq-item:hover {
            border-color: #cbd5e1;
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 1.1rem 1.5rem;
            font-weight: 600;
            font-size: 1rem;
            color: #1e293b;
            background: #fff;
            border: none;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: #f8fafc;
        }
        .faq-answer {
            padding: 0 1.5rem 1.2rem;
            color: #475569;
            font-size: 0.95rem;
            line-height: 1.75;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question {
            color: #2563eb;
            background: #f8fafc;
        }
        .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition-fast);
            font-size: 1.2rem;
            color: #94a3b8;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: #2563eb;
        }

        /* 步骤 */
        .step-number {
            width: 3rem;
            height: 3rem;
            border-radius: 50%;
            background: linear-gradient(135deg, #2563eb, #1d4ed8);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
        }

        /* 倒计时 */
        .countdown-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            border-radius: 0.75rem;
            padding: 0.5rem 0.9rem;
            min-width: 3.5rem;
            border: 1px solid rgba(255, 255, 255, 0.25);
        }
        .countdown-number {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
        }
        .countdown-label {
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.8);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        /* 标签 */
        .badge-blue {
            display: inline-block;
            padding: 0.3rem 0.8rem;
            border-radius: 2rem;
            background: #eff6ff;
            color: #2563eb;
            font-weight: 600;
            font-size: 0.8rem;
            letter-spacing: 0.01em;
        }
        .badge-accent {
            display: inline-block;
            padding: 0.3rem 0.8rem;
            border-radius: 2rem;
            background: #fff7ed;
            color: #f97316;
            font-weight: 600;
            font-size: 0.8rem;
            letter-spacing: 0.01em;
        }

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

        /* 返回顶部 */
        .back-to-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            width: 2.8rem;
            height: 2.8rem;
            border-radius: 50%;
            background: #2563eb;
            color: #fff;
            border: none;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            z-index: 90;
            box-shadow: 0 4px 16px rgba(37, 99, 235, 0.3);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .back-to-top:hover {
            background: #1d4ed8;
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
        }

        /* 滚动条美化 */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: #f1f5f9;
        }
        ::-webkit-scrollbar-thumb {
            background: #cbd5e1;
            border-radius: 3px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #94a3b8;
        }

/* roulang page: category5 */
:root {
            --color-brand-600: #2563eb;
            --color-brand-700: #1d4ed8;
            --color-brand-800: #1e40af;
            --color-accent-500: #f97316;
            --color-accent-600: #ea580c;
            --color-surface-50: #f8fafc;
            --color-surface-100: #f1f5f9;
            --color-surface-700: #334155;
            --color-surface-800: #1e293b;
            --color-surface-900: #0f172a;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 2px 8px rgba(0, 0, 0, 0.08), 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.08), 0 12px 36px rgba(0, 0, 0, 0.06);
            --radius-xl: 0.875rem;
            --radius-2xl: 1rem;
            --radius-3xl: 1.25rem;
            --transition-fast: 180ms ease;
            --transition-smooth: 280ms cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            margin: 0;
            font-family: "Inter", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: #1e293b;
            background-color: #f8fafc;
            min-height: 100vh;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container-custom {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media (min-width: 768px) {
            .container-custom {
                padding-left: 1.75rem;
                padding-right: 1.75rem;
            }
        }

        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #ffffff;
            border-bottom: 1px solid #e2e8f0;
            box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 2px 8px rgba(0, 0, 0, 0.03);
            transition: box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08), 0 4px 16px rgba(0, 0, 0, 0.05);
        }

        .nav-logo {
            font-weight: 700;
            font-size: 1.35rem;
            letter-spacing: -0.01em;
            color: #1e40af;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .nav-logo .logo-icon {
            width: 2rem;
            height: 2rem;
            background: linear-gradient(135deg, #2563eb, #1d4ed8);
            border-radius: 0.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .nav-link {
            font-size: 0.925rem;
            font-weight: 500;
            color: #475569;
            padding: 0.5rem 0.85rem;
            border-radius: 0.5rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-link:hover {
            color: #2563eb;
            background: #eff6ff;
        }

        .nav-link.active {
            color: #2563eb;
            font-weight: 600;
            background: #eff6ff;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 2.5px;
            background: #2563eb;
            border-radius: 2px;
        }

        .nav-cta-btn {
            font-size: 0.875rem;
            font-weight: 600;
            padding: 0.55rem 1.3rem;
            border-radius: 0.5rem;
            background: #2563eb;
            color: #fff;
            border: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-cta-btn:hover {
            background: #1d4ed8;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            padding: 0.5rem;
            cursor: pointer;
            color: #334155;
        }

        .mobile-menu-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: currentColor;
            margin: 5px 0;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        @media (max-width: 1023px) {
            .mobile-menu-toggle {
                display: block;
            }
            .nav-links-wrapper {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid #e2e8f0;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
                padding: 0.75rem 1rem;
                flex-direction: column;
                gap: 0.25rem;
                z-index: 99;
            }
            .nav-links-wrapper.open {
                display: flex;
            }
            .nav-link {
                padding: 0.7rem 1rem;
                border-radius: 0.5rem;
                width: 100%;
            }
            .nav-link.active::after {
                display: none;
            }
            .nav-link.active {
                border-left: 3px solid #2563eb;
                border-radius: 0 0.5rem 0.5rem 0;
            }
            .nav-cta-btn {
                margin-left: 0 !important;
                width: 100%;
                text-align: center;
                margin-top: 0.25rem;
            }
        }

        @media (min-width: 1024px) {
            .nav-links-wrapper {
                display: flex !important;
                position: static;
                background: transparent;
                border: none;
                box-shadow: none;
                padding: 0;
                flex-direction: row;
                gap: 0.3rem;
                align-items: center;
                flex-wrap: nowrap;
            }
            .mobile-menu-toggle {
                display: none;
            }
        }

        .section-spacing {
            padding-top: 3.5rem;
            padding-bottom: 3.5rem;
        }

        @media (min-width: 768px) {
            .section-spacing {
                padding-top: 5rem;
                padding-bottom: 5rem;
            }
        }

        .card-base {
            background: #fff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            border: 1px solid #f1f5f9;
        }

        .card-base:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.75rem 1.75rem;
            border-radius: 0.6rem;
            background: #2563eb;
            color: #fff;
            border: none;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: #1d4ed8;
            box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
            transform: translateY(-2px);
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.75rem 1.75rem;
            border-radius: 0.6rem;
            background: #f97316;
            color: #fff;
            border: none;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

        .btn-accent:hover {
            background: #ea580c;
            box-shadow: 0 6px 20px rgba(249, 115, 22, 0.4);
            transform: translateY(-2px);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.7rem 1.6rem;
            border-radius: 0.6rem;
            background: #fff;
            color: #2563eb;
            border: 2px solid #2563eb;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

        .btn-outline:hover {
            background: #eff6ff;
            border-color: #1d4ed8;
            color: #1d4ed8;
        }

        .badge-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.3rem 0.75rem;
            border-radius: 2rem;
            background: #eff6ff;
            color: #2563eb;
            white-space: nowrap;
        }

        .badge-hot {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.25rem 0.7rem;
            border-radius: 2rem;
            background: #fef2f2;
            color: #dc2626;
            white-space: nowrap;
            animation: pulse-badge 2s infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.7;
            }
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.875rem;
            color: #64748b;
            flex-wrap: wrap;
            padding: 0.75rem 0;
        }

        .breadcrumb a {
            color: #64748b;
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: #2563eb;
        }
        .breadcrumb .separator {
            color: #cbd5e1;
            user-select: none;
        }
        .breadcrumb .current {
            color: #1e293b;
            font-weight: 500;
        }

        .countdown-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            border-radius: 0.75rem;
            padding: 0.6rem 0.9rem;
            min-width: 3.5rem;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.25);
        }
        .countdown-item .count-num {
            font-size: 1.6rem;
            font-weight: 800;
            line-height: 1.2;
        }
        .countdown-item .count-label {
            font-size: 0.7rem;
            font-weight: 500;
            opacity: 0.85;
            letter-spacing: 0.04em;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 23, 42, 0.7) 0%, rgba(15, 23, 42, 0.45) 40%, rgba(15, 23, 42, 0.75) 100%);
            z-index: 1;
        }

        .faq-item {
            border-bottom: 1px solid #e2e8f0;
            padding: 1.1rem 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            color: #2563eb;
        }
        .faq-question {
            font-weight: 600;
            font-size: 1.05rem;
            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;
            font-size: 0.95rem;
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 0.6rem;
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
        }
        .faq-icon {
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
            color: #94a3b8;
            font-size: 1.2rem;
        }

        .timeline-dot {
            width: 3rem;
            height: 3rem;
            border-radius: 50%;
            background: #2563eb;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            flex-shrink: 0;
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
            z-index: 2;
            position: relative;
        }

        .timeline-line {
            position: absolute;
            left: 1.4rem;
            top: 3rem;
            bottom: 0;
            width: 2px;
            background: #e2e8f0;
            z-index: 1;
        }

        @media (max-width: 640px) {
            .countdown-item {
                min-width: 2.8rem;
                padding: 0.5rem 0.6rem;
            }
            .countdown-item .count-num {
                font-size: 1.25rem;
            }
            .countdown-item .count-label {
                font-size: 0.65rem;
            }
        }