/* roulang page: index */
:root {
            --brand-500: #f97316;
            --brand-600: #ea580c;
            --brand-700: #c2410c;
            --accent-500: #f59e0b;
            --deep-900: #0f0d2e;
            --deep-950: #08061a;
            --text-primary: #1e293b;
            --text-secondary: #64748b;
            --text-muted: #94a3b8;
            --bg-light: #f8fafc;
            --bg-white: #ffffff;
            --border-light: #e2e8f0;
            --border-medium: #cbd5e1;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
            --shadow-lg: 0 10px 40px rgba(0,0,0,0.12), 0 4px 12px rgba(0,0,0,0.06);
            --shadow-xl: 0 20px 60px rgba(0,0,0,0.18), 0 8px 20px rgba(0,0,0,0.08);
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.75rem;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-white);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        ::selection {
            background-color: #f97316;
            color: #ffffff;
        }

        /* 导航样式 */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid transparent;
            transition: all var(--transition-smooth);
            padding: 0;
        }

        .site-header.scrolled {
            border-bottom-color: var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .header-inner {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 1.5rem;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 0.625rem;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, #f97316, #ea580c);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.25rem;
            flex-shrink: 0;
        }

        .logo-text {
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--deep-900);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 1rem;
            border-radius: var(--radius-md);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: var(--brand-600);
            background: #fff7ed;
        }

        .nav-links a.nav-active {
            color: var(--brand-600);
            font-weight: 600;
            background: #fff7ed;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.6rem 1.5rem;
            border-radius: 9999px;
            font-weight: 600;
            font-size: 0.95rem;
            background: linear-gradient(135deg, #f97316, #ea580c);
            color: #ffffff !important;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 14px rgba(249,115,22,0.35);
            white-space: nowrap;
        }

        .nav-cta-btn:hover {
            box-shadow: 0 6px 22px rgba(249,115,22,0.5);
            transform: translateY(-1px);
            background: linear-gradient(135deg, #fb923c, #f97316);
            color: #ffffff !important;
        }

        .mobile-menu-btn {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: var(--radius-md);
            align-items: center;
            justify-content: center;
            font-size: 1.35rem;
            color: var(--text-primary);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .mobile-menu-btn:hover {
            background: #f1f5f9;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            background: rgba(255,255,255,0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-lg);
            padding: 1rem 1.5rem;
            z-index: 999;
            flex-direction: column;
            gap: 0.35rem;
            animation: slideDown 0.3s ease-out;
        }

        @keyframes slideDown {
            from { opacity: 0; transform: translateY(-12px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .mobile-menu a {
            display: block;
            padding: 0.75rem 1rem;
            border-radius: var(--radius-md);
            font-weight: 500;
            font-size: 1rem;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }

        .mobile-menu a:hover,
        .mobile-menu a.mobile-nav-active {
            color: var(--brand-600);
            background: #fff7ed;
            font-weight: 600;
        }

        .mobile-menu .mobile-cta {
            margin-top: 0.5rem;
            text-align: center;
            background: linear-gradient(135deg, #f97316, #ea580c);
            color: #ffffff !important;
            font-weight: 600;
            border-radius: 9999px;
        }

        .mobile-menu .mobile-cta:hover {
            color: #ffffff !important;
            background: linear-gradient(135deg, #fb923c, #f97316);
        }

        @media (max-width: 768px) {
            .nav-links { display: none; }
            .nav-cta-btn.desktop-only { display: none; }
            .mobile-menu-btn { display: flex; }
            .mobile-menu.active { display: flex; }
            .header-inner { height: 60px; padding: 0 1rem; }
            .logo-text { font-size: 1.1rem; }
            .logo-icon { width: 34px; height: 34px; font-size: 1.05rem; }
        }

        @media (min-width: 769px) {
            .mobile-menu { display: none !important; }
        }

        /* 容器 */
        .container-main {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

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

        /* 板块间距 */
        .section {
            padding: 5rem 0;
        }

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

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--brand-600);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 0.75rem;
        }

        .section-label::before {
            content: '';
            width: 28px;
            height: 3px;
            border-radius: 3px;
            background: linear-gradient(90deg, #f97316, #fb923c);
        }

        .section-title {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--deep-900);
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin-bottom: 1rem;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 600px;
            line-height: 1.75;
        }

        @media (max-width: 768px) {
            .section-title { font-size: 1.65rem; }
            .section-subtitle { font-size: 0.95rem; }
        }

        /* 卡片基础 */
        .card {
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
            overflow: hidden;
        }

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

        /* 按钮 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.8rem 2rem;
            border-radius: 9999px;
            font-weight: 600;
            font-size: 1rem;
            background: linear-gradient(135deg, #f97316, #ea580c);
            color: #ffffff;
            transition: all var(--transition-fast);
            box-shadow: 0 6px 20px rgba(249,115,22,0.3);
            white-space: nowrap;
        }

        .btn-primary:hover {
            box-shadow: 0 8px 28px rgba(249,115,22,0.45);
            transform: translateY(-2px);
            background: linear-gradient(135deg, #fb923c, #f97316);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.75rem 1.8rem;
            border-radius: 9999px;
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid var(--border-medium);
            color: var(--text-primary);
            background: transparent;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-outline:hover {
            border-color: var(--brand-500);
            color: var(--brand-600);
            background: #fff7ed;
        }

        .btn-white {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.8rem 2rem;
            border-radius: 9999px;
            font-weight: 600;
            font-size: 1rem;
            background: #ffffff;
            color: var(--brand-600);
            transition: all var(--transition-fast);
            box-shadow: 0 4px 16px rgba(0,0,0,0.1);
            white-space: nowrap;
        }

        .btn-white:hover {
            box-shadow: 0 8px 24px rgba(0,0,0,0.18);
            transform: translateY(-2px);
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            padding-top: 68px;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(180deg, rgba(8,6,26,0.75) 0%, rgba(15,13,46,0.85) 40%, rgba(8,6,26,0.92) 100%);
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.4rem 1.1rem;
            border-radius: 9999px;
            background: rgba(249,115,22,0.2);
            border: 1px solid rgba(249,115,22,0.35);
            color: #fdba74;
            font-size: 0.875rem;
            font-weight: 500;
            margin-bottom: 1.5rem;
            backdrop-filter: blur(8px);
        }

        .hero-badge i {
            color: #fbbf24;
            font-size: 0.75rem;
        }

        .hero-title {
            font-size: 3.5rem;
            font-weight: 900;
            color: #ffffff;
            letter-spacing: -0.03em;
            line-height: 1.15;
            margin-bottom: 1.25rem;
            text-shadow: 0 4px 30px rgba(0,0,0,0.3);
        }

        .hero-title span {
            background: linear-gradient(135deg, #fb923c, #fbbf24);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 1.2rem;
            color: rgba(255,255,255,0.8);
            max-width: 560px;
            margin: 0 auto 2rem;
            line-height: 1.8;
        }

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

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 2.5rem;
            justify-content: center;
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.12);
        }

        .hero-stat {
            text-align: center;
        }

        .hero-stat-num {
            font-size: 2.5rem;
            font-weight: 900;
            color: #ffffff;
            line-height: 1;
            letter-spacing: -0.02em;
        }

        .hero-stat-label {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.6);
            margin-top: 0.35rem;
        }

        @media (max-width: 768px) {
            .hero-title { font-size: 2.2rem; }
            .hero-desc { font-size: 1rem; }
            .hero-stats { gap: 1.5rem; }
            .hero-stat-num { font-size: 1.8rem; }
            .hero-section { min-height: 90vh; }
            .hero-btns { flex-direction: column; align-items: center; }
        }

        /* 特色卡片网格 */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

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

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

        .feature-card {
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            padding: 2rem 1.5rem;
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, #f97316, #fb923c, #fbbf24);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-smooth);
        }

        .feature-card:hover::before {
            transform: scaleX(1);
        }

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

        .feature-icon {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-lg);
            background: linear-gradient(135deg, #fff7ed, #ffedd5);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.25rem;
            font-size: 1.6rem;
            color: var(--brand-600);
            transition: all var(--transition-fast);
        }

        .feature-card:hover .feature-icon {
            background: linear-gradient(135deg, #f97316, #ea580c);
            color: #ffffff;
            box-shadow: 0 8px 24px rgba(249,115,22,0.35);
        }

        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--deep-900);
            margin-bottom: 0.5rem;
        }

        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* 服务展示区 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

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

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

        .service-card {
            border-radius: var(--radius-xl);
            overflow: hidden;
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
        }

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

        .service-card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

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

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

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

        .service-card-tag {
            display: inline-block;
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            background: #fff7ed;
            color: var(--brand-600);
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 0.75rem;
        }

        .service-card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--deep-900);
            margin-bottom: 0.5rem;
        }

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

        /* 资讯列表 */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .news-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1rem 1.25rem;
            border-radius: var(--radius-lg);
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            background: #fffbeb;
        }

        .news-item-date {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, #f97316, #ea580c);
            color: #ffffff;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            line-height: 1;
        }

        .news-item-date .day {
            font-size: 1.3rem;
        }

        .news-item-date .month {
            font-size: 0.7rem;
            font-weight: 500;
            opacity: 0.9;
        }

        .news-item-info {
            flex: 1;
            min-width: 0;
        }

        .news-item-info h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--deep-900);
            margin-bottom: 0.2rem;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .news-item-info p {
            font-size: 0.85rem;
            color: var(--text-muted);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .news-item-arrow {
            flex-shrink: 0;
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }

        .news-item:hover .news-item-arrow {
            color: var(--brand-500);
            transform: translateX(3px);
        }

        @media (max-width: 520px) {
            .news-item { flex-wrap: wrap; }
            .news-item-date { width: 44px; height: 44px; }
            .news-item-date .day { font-size: 1rem; }
        }

        .news-empty {
            text-align: center;
            padding: 3rem 1rem;
            color: var(--text-muted);
            font-size: 1rem;
            background: var(--bg-light);
            border-radius: var(--radius-xl);
            border: 2px dashed var(--border-light);
        }

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

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

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

        .testimonial-card {
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            padding: 1.75rem;
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
            position: relative;
        }

        .testimonial-card::before {
            content: '\201C';
            font-size: 4rem;
            font-weight: 900;
            color: #fed7aa;
            position: absolute;
            top: 0.5rem;
            left: 1.25rem;
            line-height: 1;
            pointer-events: none;
        }

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

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

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding-top: 0.75rem;
            border-top: 1px solid var(--border-light);
        }

        .testimonial-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, #f97316, #fb923c);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
        }

        .testimonial-author strong {
            font-size: 0.9rem;
            color: var(--deep-900);
        }

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

        /* 会员权益 */
        .benefit-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }

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

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

        .benefit-card {
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            padding: 1.75rem 1.25rem;
            text-align: center;
            border: 2px solid var(--border-light);
            transition: all var(--transition-smooth);
            position: relative;
        }

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

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

        .benefit-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            padding: 0.3rem 1rem;
            border-radius: 9999px;
            background: linear-gradient(135deg, #f97316, #ea580c);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            white-space: nowrap;
        }

        .benefit-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--deep-900);
            margin-bottom: 0.75rem;
        }

        .benefit-price {
            font-size: 2.25rem;
            font-weight: 900;
            color: var(--brand-600);
            margin-bottom: 1rem;
        }

        .benefit-price small {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
        }

        .benefit-list {
            list-style: none;
            text-align: left;
            margin-bottom: 1.25rem;
        }

        .benefit-list li {
            padding: 0.4rem 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .benefit-list li i {
            color: #22c55e;
            font-size: 0.85rem;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: #fed7aa;
        }

        .faq-question {
            padding: 1.25rem 1.5rem;
            font-weight: 600;
            font-size: 1rem;
            color: var(--deep-900);
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            gap: 1rem;
            transition: all var(--transition-fast);
            user-select: none;
        }

        .faq-question:hover {
            color: var(--brand-600);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #fff7ed;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-500);
            font-size: 0.8rem;
            transition: all var(--transition-fast);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease-out, padding 0.4s ease-out;
            padding: 0 1.5rem;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.5rem 1.25rem;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: #f97316;
            color: #fff;
        }

        /* CTA 横幅 */
        .cta-banner {
            background: linear-gradient(135deg, #0f0d2e 0%, #1e1b4b 50%, #0f0d2e 100%);
            border-radius: var(--radius-2xl);
            padding: 3.5rem 2.5rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(249,115,22,0.25) 0%, transparent 70%);
            top: -100px;
            right: -80px;
            pointer-events: none;
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(251,191,36,0.2) 0%, transparent 70%);
            bottom: -80px;
            left: -60px;
            pointer-events: none;
        }

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

        .cta-banner h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 0.75rem;
            letter-spacing: -0.02em;
        }

        .cta-banner p {
            font-size: 1.1rem;
            color: rgba(255,255,255,0.7);
            margin-bottom: 2rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        @media (max-width: 768px) {
            .cta-banner { padding: 2.5rem 1.25rem; border-radius: var(--radius-xl); }
            .cta-banner h2 { font-size: 1.5rem; }
            .cta-banner p { font-size: 0.95rem; }
        }

        /* 页脚 */
        .site-footer {
            background: var(--deep-950);
            color: rgba(255,255,255,0.6);
            padding: 3rem 0 1.5rem;
        }

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

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

        .footer-brand {
            font-size: 1.35rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.75rem;
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 1rem;
        }

        .footer-col a {
            display: block;
            font-size: 0.9rem;
            color: rgba(255,255,255,0.5);
            padding: 0.3rem 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: #fb923c;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.4);
        }

        /* 辅助 */
        .text-gradient {
            background: linear-gradient(135deg, #f97316, #fbbf24);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .bg-pattern-dots {
            background-image: radial-gradient(circle, rgba(249,115,22,0.08) 1px, transparent 1px);
            background-size: 24px 24px;
        }

        .divider {
            width: 60px;
            height: 4px;
            border-radius: 4px;
            background: linear-gradient(90deg, #f97316, #fb923c);
            margin: 0 auto;
        }

        @media (max-width: 520px) {
            .hide-mobile { display: none; }
        }

/* roulang page: article */
:root {
            --color-brand: #ee4d1a;
            --color-brand-hover: #df3610;
            --color-brand-light: #fef3ee;
            --color-accent: #2570ea;
            --color-accent-light: #eff8ff;
            --color-dark: #1a1a2e;
            --color-dark-soft: #2a2a3e;
            --color-text: #2d2d3a;
            --color-text-soft: #6b6b7a;
            --color-text-light: #9494a5;
            --color-bg: #fafafa;
            --color-bg-alt: #f5f5f8;
            --color-border: #e8e8ef;
            --color-border-light: #f0f0f5;
            --color-white: #ffffff;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --radius-full: 9999px;
            --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 6px 20px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 36px rgba(0,0,0,0.10);
            --shadow-xl: 0 20px 50px rgba(0,0,0,0.13);
            --shadow-brand: 0 8px 28px rgba(238,77,26,0.22);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --max-width: 1240px;
            --max-width-article: 820px;
            --header-height: 72px;
        }

        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
        body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;font-size:16px;line-height:1.65;color:var(--color-text);background:var(--color-bg);min-height:100vh;overflow-x:hidden}
        img{max-width:100%;height:auto;display:block}
        a{text-decoration:none;color:inherit;transition:color var(--transition-fast)}
        button,input,select,textarea{font:inherit;color:inherit}
        ul,ol{list-style:none}
        h1,h2,h3,h4,h5,h6{line-height:1.3;font-weight:700;color:var(--color-dark)}
        h1{font-size:clamp(1.65rem,3.2vw,2.35rem)}
        h2{font-size:clamp(1.4rem,2.6vw,1.85rem)}
        h3{font-size:clamp(1.18rem,2vw,1.45rem)}
        h4{font-size:1.08rem}

        .container-main{max-width:var(--max-width);margin:0 auto;padding:0 clamp(16px,4vw,40px)}
        .container-article{max-width:var(--max-width-article);margin:0 auto;padding:0 clamp(16px,4vw,32px)}

        /* Header & Nav */
        .site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,0.94);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-xs);transition:box-shadow var(--transition-base)}
        .site-header.scrolled{box-shadow:var(--shadow-md)}
        .header-inner{max-width:var(--max-width);margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(16px,4vw,40px);height:var(--header-height);gap:24px}
        .logo-wrap{display:flex;align-items:center;gap:10px;flex-shrink:0;transition:opacity var(--transition-fast)}
        .logo-wrap:hover{opacity:0.82}
        .logo-icon{width:42px;height:42px;border-radius:var(--radius-sm);background:linear-gradient(135deg,var(--color-brand),#f17040);display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.25rem;box-shadow:0 4px 14px rgba(238,77,26,0.3);flex-shrink:0}
        .logo-text{font-size:1.25rem;font-weight:700;color:var(--color-dark);letter-spacing:-0.01em;white-space:nowrap}
        .nav-links{display:flex;align-items:center;gap:6px}
        .nav-links a{display:inline-flex;align-items:center;padding:9px 17px;border-radius:var(--radius-full);font-size:0.95rem;font-weight:500;color:var(--color-text-soft);transition:all var(--transition-fast);white-space:nowrap;position:relative}
        .nav-links a:hover{color:var(--color-brand);background:var(--color-brand-light)}
        .nav-links a.nav-active{color:var(--color-brand);background:var(--color-brand-light);font-weight:600}
        .nav-cta-btn{display:inline-flex;align-items:center;gap:7px;padding:11px 22px;border-radius:var(--radius-full);font-size:0.93rem;font-weight:600;color:#fff;background:linear-gradient(135deg,var(--color-brand),#f17040);box-shadow:var(--shadow-brand);transition:all var(--transition-base);white-space:nowrap;flex-shrink:0}
        .nav-cta-btn:hover{transform:translateY(-1px);box-shadow:0 12px 32px rgba(238,77,26,0.3);background:linear-gradient(135deg,#df3610,#ee4d1a)}
        .mobile-menu-btn{display:none;background:none;border:none;font-size:1.5rem;color:var(--color-dark);cursor:pointer;padding:8px;border-radius:var(--radius-sm);transition:all var(--transition-fast)}
        .mobile-menu-btn:hover{background:var(--color-bg-alt);color:var(--color-brand)}
        .mobile-menu{display:none;flex-direction:column;padding:12px 20px 20px;background:#fff;border-bottom:1px solid var(--color-border);gap:4px}
        .mobile-menu a{display:block;padding:11px 16px;border-radius:var(--radius-sm);font-size:0.95rem;font-weight:500;color:var(--color-text-soft);transition:all var(--transition-fast)}
        .mobile-menu a:hover{color:var(--color-brand);background:var(--color-brand-light)}
        .mobile-menu a.mobile-nav-active{color:var(--color-brand);background:var(--color-brand-light);font-weight:600}
        .mobile-menu a.mobile-cta{margin-top:8px;text-align:center;color:#fff;background:linear-gradient(135deg,var(--color-brand),#f17040);border-radius:var(--radius-full);font-weight:600;padding:12px 20px}
        .mobile-menu a.mobile-cta:hover{background:linear-gradient(135deg,#df3610,#ee4d1a);color:#fff}

        @media(max-width:920px){
            .desktop-only{display:none!important}
            .nav-links{display:none}
            .mobile-menu-btn{display:block}
            .mobile-menu.open{display:flex}
        }
        @media(min-width:921px){
            .mobile-menu{display:none!important}
        }

        /* Article Page Specific */
        .article-hero-section{padding:clamp(28px,5vw,50px) 0 clamp(14px,3vw,24px);background:var(--color-white);border-bottom:1px solid var(--color-border-light)}
        .breadcrumb-row{display:flex;align-items:center;flex-wrap:wrap;gap:6px;font-size:0.88rem;color:var(--color-text-light);margin-bottom:18px}
        .breadcrumb-row a{color:var(--color-text-soft);transition:color var(--transition-fast)}
        .breadcrumb-row a:hover{color:var(--color-brand)}
        .breadcrumb-row .sep{color:var(--color-border);font-size:0.7rem;margin:0 2px}
        .breadcrumb-row .current{color:var(--color-text-soft);font-weight:500}
        .article-meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px 20px;margin-top:12px;padding-bottom:4px}
        .article-meta-item{display:inline-flex;align-items:center;gap:6px;font-size:0.88rem;color:var(--color-text-light)}
        .article-meta-item i{color:var(--color-brand);font-size:0.85rem;opacity:0.8}
        .article-category-badge{display:inline-flex;align-items:center;gap:5px;padding:6px 14px;border-radius:var(--radius-full);font-size:0.82rem;font-weight:600;background:var(--color-brand-light);color:var(--color-brand);white-space:nowrap}
        .article-featured-image{margin-top:20px;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md)}
        .article-featured-image img{width:100%;height:auto;display:block;object-fit:cover;aspect-ratio:16/9}

        /* Article Body */
        .article-body-section{padding:clamp(24px,4vw,44px) 0}
        .article-body{font-size:1.06rem;line-height:1.85;color:var(--color-text);word-break:break-word}
        .article-body h2{font-size:1.55rem;margin:2em 0 0.7em;padding-bottom:0.45em;border-bottom:2px solid var(--color-border-light);color:var(--color-dark)}
        .article-body h3{font-size:1.28rem;margin:1.6em 0 0.55em;color:var(--color-dark-soft)}
        .article-body h4{font-size:1.1rem;margin:1.3em 0 0.4em}
        .article-body p{margin:0.85em 0}
        .article-body ul,.article-body ol{margin:0.75em 0;padding-left:1.5em}
        .article-body ul{list-style:disc}
        .article-body ol{list-style:decimal}
        .article-body li{margin:0.35em 0;padding-left:0.3em}
        .article-body li::marker{color:var(--color-brand)}
        .article-body blockquote{margin:1.2em 0;padding:18px 24px;border-left:4px solid var(--color-brand);background:var(--color-brand-light);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--color-dark-soft);font-style:italic}
        .article-body blockquote p{margin:0.3em 0}
        .article-body img{border-radius:var(--radius-md);margin:1.3em auto;box-shadow:var(--shadow-sm);max-width:100%;height:auto}
        .article-body a{color:var(--color-accent);text-decoration:underline;text-underline-offset:3px;transition:color var(--transition-fast)}
        .article-body a:hover{color:var(--color-brand)}
        .article-body table{width:100%;border-collapse:collapse;margin:1.3em 0;font-size:0.95rem;border-radius:var(--radius-sm);overflow:hidden;box-shadow:var(--shadow-xs)}
        .article-body table th{background:var(--color-dark);color:#fff;padding:11px 14px;text-align:left;font-weight:600}
        .article-body table td{padding:10px 14px;border-bottom:1px solid var(--color-border-light);background:var(--color-white)}
        .article-body table tr:last-child td{border-bottom:none}
        .article-body code{background:var(--color-bg-alt);padding:3px 8px;border-radius:4px;font-size:0.9em;color:var(--color-brand);font-family:"SF Mono","Fira Code","Consolas",monospace}
        .article-body pre{background:var(--color-dark);color:#e8e8e8;padding:20px 24px;border-radius:var(--radius-md);overflow-x:auto;margin:1.2em 0;font-size:0.9rem;line-height:1.6}
        .article-body pre code{background:none;color:inherit;padding:0;font-size:inherit}

        /* Not Found State */
        .not-found-state{text-align:center;padding:clamp(50px,8vw,90px) 20px}
        .not-found-icon{font-size:4.5rem;color:var(--color-border);margin-bottom:20px}
        .not-found-state h2{font-size:1.6rem;color:var(--color-dark);margin-bottom:10px}
        .not-found-state p{color:var(--color-text-soft);margin-bottom:24px;font-size:1.05rem}
        .btn-back-home{display:inline-flex;align-items:center;gap:8px;padding:12px 26px;border-radius:var(--radius-full);font-weight:600;font-size:0.95rem;color:#fff;background:linear-gradient(135deg,var(--color-brand),#f17040);box-shadow:var(--shadow-brand);transition:all var(--transition-base)}
        .btn-back-home:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(238,77,26,0.32)}

        /* Related Section */
        .related-section{padding:clamp(30px,5vw,55px) 0;background:var(--color-bg-alt);border-top:1px solid var(--color-border-light)}
        .section-label{display:inline-flex;align-items:center;gap:7px;font-size:0.85rem;font-weight:700;text-transform:uppercase;letter-spacing:0.06em;color:var(--color-brand);margin-bottom:8px}
        .section-title{font-size:clamp(1.35rem,2.5vw,1.75rem);font-weight:700;color:var(--color-dark);margin-bottom:28px}
        .related-cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:22px}
        .related-card{background:var(--color-white);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:all var(--transition-base);border:1px solid var(--color-border-light);display:flex;flex-direction:column}
        .related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--color-border)}
        .related-card-img{aspect-ratio:16/10;overflow:hidden;background:var(--color-bg-alt)}
        .related-card-img img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition-slow)}
        .related-card:hover .related-card-img img{transform:scale(1.05)}
        .related-card-body{padding:18px 20px 20px;flex:1;display:flex;flex-direction:column;gap:8px}
        .related-card-body h3{font-size:1.05rem;font-weight:600;color:var(--color-dark);line-height:1.4}
        .related-card-body p{font-size:0.9rem;color:var(--color-text-soft);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
        .related-card-link{display:inline-flex;align-items:center;gap:5px;font-size:0.88rem;font-weight:600;color:var(--color-brand);margin-top:auto;transition:gap var(--transition-fast)}
        .related-card-link:hover{gap:9px}
        .related-card-link i{font-size:0.75rem}

        /* CTA Section */
        .cta-section{padding:clamp(36px,6vw,65px) 0;position:relative;overflow:hidden}
        .cta-inner{position:relative;z-index:1;background:linear-gradient(135deg,var(--color-dark),var(--color-dark-soft));border-radius:var(--radius-xl);padding:clamp(32px,6vw,55px) clamp(22px,5vw,50px);text-align:center;box-shadow:var(--shadow-xl);overflow:hidden}
        .cta-inner::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;opacity:0.12;z-index:0}
        .cta-inner>*{position:relative;z-index:1}
        .cta-inner h2{color:#fff;font-size:clamp(1.4rem,2.6vw,1.85rem);margin-bottom:12px}
        .cta-inner p{color:rgba(255,255,255,0.78);font-size:1.05rem;max-width:600px;margin:0 auto 26px;line-height:1.6}
        .cta-btn-group{display:flex;flex-wrap:wrap;justify-content:center;gap:14px}
        .btn-cta-primary{display:inline-flex;align-items:center;gap:8px;padding:13px 30px;border-radius:var(--radius-full);font-weight:700;font-size:1rem;color:#fff;background:linear-gradient(135deg,var(--color-brand),#f17040);box-shadow:0 8px 26px rgba(238,77,26,0.4);transition:all var(--transition-base)}
        .btn-cta-primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(238,77,26,0.5)}
        .btn-cta-outline{display:inline-flex;align-items:center;gap:8px;padding:13px 30px;border-radius:var(--radius-full);font-weight:600;font-size:1rem;color:#fff;background:transparent;border:2px solid rgba(255,255,255,0.4);transition:all var(--transition-base)}
        .btn-cta-outline:hover{background:rgba(255,255,255,0.1);border-color:rgba(255,255,255,0.7)}

        /* Footer */
        .site-footer{background:var(--color-dark);color:rgba(255,255,255,0.75);padding:clamp(36px,6vw,55px) 0 28px;margin-top:0}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:clamp(28px,5vw,50px);margin-bottom:32px}
        .footer-brand{font-size:1.25rem;font-weight:700;color:#fff;margin-bottom:10px}
        .footer-desc{font-size:0.9rem;line-height:1.65;color:rgba(255,255,255,0.6);max-width:380px}
        .footer-col h4{font-size:0.95rem;font-weight:600;color:#fff;margin-bottom:14px;letter-spacing:0.02em}
        .footer-col a{display:block;font-size:0.9rem;color:rgba(255,255,255,0.6);padding:5px 0;transition:color var(--transition-fast)}
        .footer-col a:hover{color:var(--color-brand)}
        .footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding-top:20px;text-align:center;font-size:0.84rem;color:rgba(255,255,255,0.4)}
        @media(max-width:768px){
            .footer-grid{grid-template-columns:1fr;gap:28px}
            .footer-desc{max-width:100%}
        }

        /* Responsive */
        @media(max-width:768px){
            :root{--header-height:62px}
            .related-cards-grid{grid-template-columns:1fr}
            .article-body{font-size:1rem;line-height:1.75}
            .article-meta-row{gap:10px 14px}
            .article-body h2{font-size:1.35rem}
            .article-body h3{font-size:1.15rem}
            .cta-btn-group{flex-direction:column;align-items:center}
            .btn-cta-primary,.btn-cta-outline{width:100%;max-width:320px;justify-content:center}
        }
        @media(max-width:520px){
            .article-body{font-size:0.95rem}
            .article-body blockquote{padding:14px 16px}
            .article-featured-image{border-radius:var(--radius-md)}
            .cta-inner{padding:28px 18px;border-radius:var(--radius-lg)}
        }

/* roulang page: category1 */
:root {
            --color-brand: #6C5CE7;
            --color-brand-dark: #5a4bd4;
            --color-brand-light: #8b7fff;
            --color-accent: #F59E0B;
            --color-accent-dark: #d98c06;
            --color-coral: #FF6B6B;
            --color-text: #1e1e2e;
            --color-text-soft: #5a5a72;
            --color-text-muted: #8a8aa0;
            --color-bg: #faf9ff;
            --color-bg-card: #ffffff;
            --color-bg-deep: #1a1a2e;
            --color-border: #e8e6f5;
            --color-border-light: #f2f0fa;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --shadow-sm: 0 1px 4px rgba(0,0,0,0.04);
            --shadow-md: 0 2px 16px rgba(0,0,0,0.06);
            --shadow-lg: 0 8px 30px rgba(0,0,0,0.08);
            --shadow-xl: 0 14px 40px rgba(0,0,0,0.11);
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
        body{font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;line-height:1.65;color:var(--color-text);background:var(--color-bg);min-height:100vh;overflow-x:hidden}
        img{max-width:100%;height:auto;display:block}
        a{text-decoration:none;color:inherit;transition:color var(--transition-fast)}
        button{cursor:pointer;font-family:inherit;border:none;outline:none}
        input{font-family:inherit;outline:none}
        ul,ol{list-style:none}

        .container-main{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
        @media(max-width:768px){.container-main{padding:0 16px}}

        /* Header & Navigation */
        .site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,0.92);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--color-border-light);box-shadow:var(--shadow-sm);transition:box-shadow var(--transition-base)}
        .site-header.scrolled{box-shadow:0 2px 24px rgba(0,0,0,0.08)}
        .header-inner{display:flex;align-items:center;justify-content:space-between;max-width:1200px;margin:0 auto;padding:0 24px;height:68px}
        @media(max-width:768px){.header-inner{padding:0 16px;height:60px}}
        .logo-wrap{display:flex;align-items:center;gap:10px;flex-shrink:0;transition:opacity var(--transition-fast)}
        .logo-wrap:hover{opacity:0.82}
        .logo-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--color-brand),var(--color-brand-light));border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.15rem;box-shadow:0 4px 12px rgba(108,92,231,0.3)}
        @media(max-width:768px){.logo-icon{width:34px;height:34px;font-size:1rem;border-radius:var(--radius-sm)}}
        .logo-text{font-size:1.25rem;font-weight:700;color:var(--color-text);letter-spacing:-0.01em;white-space:nowrap}
        @media(max-width:768px){.logo-text{font-size:1.1rem}}

        .nav-links{display:flex;align-items:center;gap:6px}
        @media(max-width:768px){.nav-links{display:none}}
        .nav-links a{display:inline-flex;align-items:center;padding:8px 18px;border-radius:var(--radius-md);font-weight:500;font-size:0.95rem;color:var(--color-text-soft);transition:all var(--transition-fast);white-space:nowrap}
        .nav-links a:hover{color:var(--color-brand);background:#f5f3ff}
        .nav-links a.nav-active{color:var(--color-brand);background:#f0edff;font-weight:600}

        .nav-cta-btn{display:inline-flex;align-items:center;gap:7px;padding:10px 22px;background:linear-gradient(135deg,var(--color-accent),#fbbf24);color:#1a1a0a;font-weight:600;font-size:0.93rem;border-radius:var(--radius-lg);box-shadow:0 4px 14px rgba(245,158,11,0.3);transition:all var(--transition-base);white-space:nowrap}
        .nav-cta-btn:hover{transform:translateY(-1px);box-shadow:0 8px 22px rgba(245,158,11,0.4);color:#0d0d00}
        .desktop-only{display:inline-flex}
        @media(max-width:768px){.desktop-only{display:none}}

        .mobile-menu-btn{display:none;width:40px;height:40px;border-radius:var(--radius-md);background:#f5f3ff;color:var(--color-brand);font-size:1.25rem;align-items:center;justify-content:center;transition:all var(--transition-fast)}
        .mobile-menu-btn:hover{background:#ede8ff}
        @media(max-width:768px){.mobile-menu-btn{display:flex}}
        .mobile-menu{display:none;flex-direction:column;padding:8px 16px 16px;background:#fff;border-bottom:1px solid var(--color-border-light);gap:4px}
        .mobile-menu.open{display:flex}
        .mobile-menu a{display:block;padding:11px 16px;border-radius:var(--radius-md);font-weight:500;font-size:0.95rem;color:var(--color-text-soft);transition:all var(--transition-fast)}
        .mobile-menu a:hover{background:#f5f3ff;color:var(--color-brand)}
        .mobile-menu a.mobile-nav-active{background:#f0edff;color:var(--color-brand);font-weight:600}
        .mobile-menu a.mobile-cta{margin-top:6px;background:linear-gradient(135deg,var(--color-accent),#fbbf24);color:#1a1a0a;font-weight:600;text-align:center;border-radius:var(--radius-lg)}

        /* Section spacing */
        .section{padding:70px 0}
        @media(max-width:768px){.section{padding:44px 0}}
        .section-sm{padding:48px 0}
        @media(max-width:768px){.section-sm{padding:32px 0}}

        /* Hero */
        .hero-category{position:relative;padding:90px 0 80px;background:linear-gradient(160deg,#f5f3ff 0%,#ede8ff 30%,#e0dbff 60%,#faf9ff 100%);overflow:hidden}
        @media(max-width:768px){.hero-category{padding:52px 0 48px}}
        .hero-category::before{content:'';position:absolute;top:-120px;right:-100px;width:480px;height:480px;background:radial-gradient(circle,rgba(108,92,231,0.10) 0%,transparent 70%);border-radius:50%;pointer-events:none}
        .hero-category::after{content:'';position:absolute;bottom:-80px;left:-80px;width:360px;height:360px;background:radial-gradient(circle,rgba(245,158,11,0.09) 0%,transparent 70%);border-radius:50%;pointer-events:none}
        .hero-cat-inner{position:relative;z-index:2;display:flex;align-items:center;gap:48px;max-width:1200px;margin:0 auto;padding:0 24px}
        @media(max-width:1024px){.hero-cat-inner{flex-direction:column;text-align:center;gap:32px}}
        @media(max-width:768px){.hero-cat-inner{padding:0 16px;gap:24px}}
        .hero-cat-text{flex:1;min-width:0}
        .hero-cat-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;background:#fff;border:1px solid var(--color-border);border-radius:999px;font-size:0.85rem;font-weight:500;color:var(--color-brand);margin-bottom:18px;box-shadow:var(--shadow-sm)}
        .hero-cat-badge i{font-size:0.8rem}
        .hero-cat-title{font-size:2.6rem;font-weight:800;line-height:1.22;color:var(--color-text);margin-bottom:16px;letter-spacing:-0.02em}
        @media(max-width:768px){.hero-cat-title{font-size:1.85rem}}
        .hero-cat-subtitle{font-size:1.12rem;color:var(--color-text-soft);line-height:1.7;margin-bottom:28px;max-width:520px}
        @media(max-width:1024px){.hero-cat-subtitle{margin-left:auto;margin-right:auto}}
        .hero-cat-actions{display:flex;gap:14px;flex-wrap:wrap}
        @media(max-width:1024px){.hero-cat-actions{justify-content:center}}
        .btn-primary-lg{display:inline-flex;align-items:center;gap:8px;padding:13px 30px;background:linear-gradient(135deg,var(--color-brand),var(--color-brand-dark));color:#fff;font-weight:600;font-size:1rem;border-radius:var(--radius-lg);box-shadow:0 6px 20px rgba(108,92,231,0.35);transition:all var(--transition-base);white-space:nowrap}
        .btn-primary-lg:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(108,92,231,0.45)}
        .btn-outline-lg{display:inline-flex;align-items:center;gap:8px;padding:13px 30px;background:#fff;color:var(--color-brand);font-weight:600;font-size:1rem;border-radius:var(--radius-lg);border:2px solid var(--color-border);transition:all var(--transition-base);white-space:nowrap}
        .btn-outline-lg:hover{border-color:var(--color-brand);background:#faf8ff;transform:translateY(-1px);box-shadow:var(--shadow-md)}
        .hero-cat-visual{flex-shrink:0;width:380px;height:340px;border-radius:var(--radius-2xl);overflow:hidden;box-shadow:var(--shadow-xl);position:relative}
        @media(max-width:1024px){.hero-cat-visual{width:100%;max-width:440px;height:260px}}
        @media(max-width:768px){.hero-cat-visual{height:200px;border-radius:var(--radius-xl)}}
        .hero-cat-visual img{width:100%;height:100%;object-fit:cover}
        .hero-cat-visual .visual-overlay{position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(26,26,46,0.5) 100%);border-radius:inherit}

        /* Section header */
        .section-header{text-align:center;margin-bottom:48px}
        @media(max-width:768px){.section-header{margin-bottom:30px}}
        .section-label{display:inline-block;padding:5px 14px;background:#f0edff;color:var(--color-brand);font-size:0.82rem;font-weight:600;border-radius:999px;margin-bottom:12px;letter-spacing:0.03em}
        .section-title{font-size:2rem;font-weight:700;color:var(--color-text);margin-bottom:10px;letter-spacing:-0.01em}
        @media(max-width:768px){.section-title{font-size:1.55rem}}
        .section-desc{font-size:1rem;color:var(--color-text-soft);max-width:600px;margin:0 auto;line-height:1.65}

        /* Game category cards */
        .game-cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
        @media(max-width:1024px){.game-cat-grid{grid-template-columns:repeat(2,1fr);gap:16px}}
        @media(max-width:520px){.game-cat-grid{grid-template-columns:1fr;gap:14px}}
        .game-cat-card{background:var(--color-bg-card);border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-md);transition:all var(--transition-base);cursor:pointer;border:1px solid transparent;display:flex;flex-direction:column}
        .game-cat-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-xl);border-color:var(--color-border)}
        .game-cat-card-img{width:100%;height:180px;overflow:hidden;position:relative}
        @media(max-width:768px){.game-cat-card-img{height:150px}}
        .game-cat-card-img img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition-slow)}
        .game-cat-card:hover .game-cat-card-img img{transform:scale(1.05)}
        .game-cat-card-body{padding:20px;flex:1;display:flex;flex-direction:column;gap:8px}
        @media(max-width:768px){.game-cat-card-body{padding:15px}}
        .game-cat-card-icon{width:42px;height:42px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:1.1rem;flex-shrink:0}
        .game-cat-card-body h3{font-size:1.08rem;font-weight:700;color:var(--color-text);line-height:1.3}
        .game-cat-card-body p{font-size:0.9rem;color:var(--color-text-muted);line-height:1.55}
        .game-cat-card-tag{display:inline-flex;align-items:center;gap:4px;font-size:0.78rem;color:var(--color-brand);font-weight:500;margin-top:auto;padding-top:6px}
        .game-cat-card-tag i{font-size:0.65rem;transition:transform var(--transition-fast)}
        .game-cat-card:hover .game-cat-card-tag i{transform:translateX(3px)}

        /* Feature highlights */
        .features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
        @media(max-width:1024px){.features-grid{grid-template-columns:repeat(2,1fr);gap:16px}}
        @media(max-width:520px){.features-grid{grid-template-columns:1fr;gap:12px}}
        .feature-item{background:var(--color-bg-card);border-radius:var(--radius-xl);padding:26px 22px;box-shadow:var(--shadow-md);transition:all var(--transition-base);border:1px solid transparent;text-align:center}
        .feature-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--color-border)}
        .feature-icon-wrap{width:54px;height:54px;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;font-size:1.35rem;margin:0 auto 14px;flex-shrink:0}
        .feature-item h3{font-size:1.02rem;font-weight:700;color:var(--color-text);margin-bottom:6px}
        .feature-item p{font-size:0.88rem;color:var(--color-text-muted);line-height:1.55}

        /* Hot games strip */
        .hot-games-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
        @media(max-width:1024px){.hot-games-grid{grid-template-columns:repeat(2,1fr);gap:14px}}
        @media(max-width:520px){.hot-games-grid{grid-template-columns:1fr;gap:12px}}
        .hot-game-card{background:var(--color-bg-card);border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-md);transition:all var(--transition-base);position:relative}
        .hot-game-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-xl)}
        .hot-game-img{width:100%;height:200px;overflow:hidden;position:relative}
        @media(max-width:768px){.hot-game-img{height:160px}}
        .hot-game-img img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition-slow)}
        .hot-game-card:hover .hot-game-img img{transform:scale(1.06)}
        .hot-game-rank{position:absolute;top:12px;left:12px;width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--color-accent),#fbbf24);color:#1a1a0a;font-weight:700;font-size:0.85rem;display:flex;align-items:center;justify-content:center;box-shadow:0 3px 10px rgba(245,158,11,0.35);z-index:2}
        .hot-game-body{padding:16px}
        @media(max-width:768px){.hot-game-body{padding:12px}}
        .hot-game-body h3{font-size:0.98rem;font-weight:700;color:var(--color-text);margin-bottom:4px}
        .hot-game-body .game-meta{font-size:0.8rem;color:var(--color-text-muted);display:flex;align-items:center;gap:8px}
        .hot-game-body .game-meta span{display:inline-flex;align-items:center;gap:3px}

        /* Stats strip */
        .stats-strip{background:var(--color-bg-deep);border-radius:var(--radius-2xl);padding:44px 36px;display:flex;justify-content:space-around;flex-wrap:wrap;gap:24px;margin:0 24px}
        @media(max-width:768px){.stats-strip{margin:0 16px;padding:30px 20px;gap:18px;border-radius:var(--radius-xl)}}
        .stat-block{text-align:center;min-width:100px}
        .stat-number{font-size:2.4rem;font-weight:800;color:#fff;line-height:1.1;margin-bottom:4px}
        @media(max-width:768px){.stat-number{font-size:1.8rem}}
        .stat-label{font-size:0.9rem;color:rgba(255,255,255,0.65);font-weight:400}

        /* FAQ */
        .faq-list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
        .faq-item{background:var(--color-bg-card);border-radius:var(--radius-lg);border:1px solid var(--color-border-light);overflow:hidden;transition:all var(--transition-fast);box-shadow:var(--shadow-sm)}
        .faq-item:hover{border-color:var(--color-border);box-shadow:var(--shadow-md)}
        .faq-q{padding:18px 22px;font-weight:600;font-size:0.98rem;color:var(--color-text);cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;user-select:none;transition:color var(--transition-fast)}
        .faq-q:hover{color:var(--color-brand)}
        .faq-q i{font-size:0.85rem;color:var(--color-text-muted);transition:transform var(--transition-base);flex-shrink:0}
        .faq-item.open .faq-q i{transform:rotate(180deg);color:var(--color-brand)}
        .faq-a{padding:0 22px 18px;font-size:0.9rem;color:var(--color-text-soft);line-height:1.7;display:none}
        .faq-item.open .faq-a{display:block}

        /* CTA banner */
        .cta-banner{background:linear-gradient(135deg,#6C5CE7 0%,#4839b8 100%);border-radius:var(--radius-2xl);padding:52px 40px;text-align:center;position:relative;overflow:hidden;margin:0 24px}
        @media(max-width:768px){.cta-banner{margin:0 16px;padding:36px 20px;border-radius:var(--radius-xl)}}
        .cta-banner::before{content:'';position:absolute;top:-60px;right:-60px;width:260px;height:260px;background:radial-gradient(circle,rgba(255,255,255,0.10) 0%,transparent 70%);border-radius:50%;pointer-events:none}
        .cta-banner::after{content:'';position:absolute;bottom:-40px;left:-40px;width:200px;height:200px;background:radial-gradient(circle,rgba(255,255,255,0.07) 0%,transparent 70%);border-radius:50%;pointer-events:none}
        .cta-banner-inner{position:relative;z-index:2}
        .cta-banner h2{font-size:2rem;font-weight:700;color:#fff;margin-bottom:10px;letter-spacing:-0.01em}
        @media(max-width:768px){.cta-banner h2{font-size:1.5rem}}
        .cta-banner p{font-size:1.05rem;color:rgba(255,255,255,0.8);margin-bottom:24px;max-width:500px;margin-left:auto;margin-right:auto;line-height:1.6}
        .btn-cta-white{display:inline-flex;align-items:center;gap:8px;padding:14px 34px;background:#fff;color:var(--color-brand);font-weight:700;font-size:1.02rem;border-radius:var(--radius-lg);box-shadow:0 6px 22px rgba(0,0,0,0.2);transition:all var(--transition-base);white-space:nowrap}
        .btn-cta-white:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(0,0,0,0.28);color:var(--color-brand-dark)}
        .btn-cta-outline-white{display:inline-flex;align-items:center;gap:8px;padding:14px 34px;background:transparent;color:#fff;font-weight:600;font-size:1.02rem;border-radius:var(--radius-lg);border:2px solid rgba(255,255,255,0.5);transition:all var(--transition-base);white-space:nowrap;margin-left:12px}
        .btn-cta-outline-white:hover{background:rgba(255,255,255,0.1);border-color:#fff;transform:translateY(-2px)}
        @media(max-width:520px){.btn-cta-outline-white{margin-left:0;margin-top:10px}}

        /* Footer */
        .site-footer{background:var(--color-bg-deep);color:rgba(255,255,255,0.75);padding:50px 0 28px;margin-top:20px}
        @media(max-width:768px){.site-footer{padding:36px 0 22px}}
        .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:36px;margin-bottom:32px}
        @media(max-width:768px){.footer-grid{grid-template-columns:1fr;gap:24px}}
        .footer-brand{font-size:1.3rem;font-weight:700;color:#fff;margin-bottom:10px}
        .footer-desc{font-size:0.88rem;line-height:1.65;color:rgba(255,255,255,0.55);max-width:340px}
        .footer-col h4{font-size:0.95rem;font-weight:600;color:#fff;margin-bottom:12px}
        .footer-col a{display:block;font-size:0.88rem;color:rgba(255,255,255,0.55);padding:5px 0;transition:color var(--transition-fast)}
        .footer-col a:hover{color:rgba(255,255,255,0.85)}
        .footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding-top:18px;text-align:center;font-size:0.82rem;color:rgba(255,255,255,0.4)}

        /* Animations */
        @keyframes fadeInUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
        .anim-fade-up{animation:fadeInUp 0.6s ease forwards}
        .anim-delay-1{animation-delay:0.1s;opacity:0}
        .anim-delay-2{animation-delay:0.2s;opacity:0}
        .anim-delay-3{animation-delay:0.3s;opacity:0}
        .anim-delay-4{animation-delay:0.4s;opacity:0}

        /* Pulse dot */
        .pulse-dot{display:inline-block;width:9px;height:9px;border-radius:50%;background:#22c55e;animation:pulse 2s infinite;margin-right:5px}
        @keyframes pulse{0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(34,197,94,0.5)}50%{opacity:0.75;box-shadow:0 0 0 12px rgba(34,197,94,0)}}

        /* Scrollbar */
        ::-webkit-scrollbar{width:6px}
        ::-webkit-scrollbar-track{background:transparent}
        ::-webkit-scrollbar-thumb{background:#d4d0e8;border-radius:999px}
        ::-webkit-scrollbar-thumb:hover{background:#b8b2d8}

/* roulang page: category2 */
:root {
            --color-brand: #f59e0b;
            --color-brand-hover: #d97706;
            --color-brand-light: #fef3e2;
            --color-accent: #5c7cfa;
            --color-accent-hover: #4263eb;
            --color-gold: #d4a020;
            --color-gold-light: #fdf6e8;
            --color-dark: #1a1d23;
            --color-text: #212529;
            --color-text-light: #6c757d;
            --color-text-lighter: #adb5bd;
            --color-bg: #fafbfc;
            --color-white: #ffffff;
            --color-border: #e9ecef;
            --color-border-light: #f1f3f5;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.1);
            --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.14);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.5s ease;
            --max-width: 1200px;
            --header-height: 72px;
        }

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

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        ul {
            list-style: none;
        }

        .container-main {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

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

        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.09);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
            height: 100%;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            text-decoration: none;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }

        .logo-wrap:hover {
            opacity: 0.85;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, #f59e0b, #d97706);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            flex-shrink: 0;
            box-shadow: 0 3px 10px rgba(245, 158, 11, 0.3);
        }

        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-dark);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
        }

        .nav-links li a {
            display: block;
            padding: 0.55rem 1.05rem;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links li a:hover {
            color: var(--color-brand);
            background: var(--color-brand-light);
        }

        .nav-links li a.nav-active,
        .nav-links li a[aria-current="page"] {
            color: var(--color-brand-hover);
            background: var(--color-brand-light);
            font-weight: 600;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            padding: 0.6rem 1.35rem;
            border-radius: 2rem;
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, #f59e0b, #d97706);
            box-shadow: 0 3px 12px rgba(245, 158, 11, 0.3);
            transition: all var(--transition-fast);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-cta-btn:hover {
            box-shadow: 0 6px 22px rgba(245, 158, 11, 0.45);
            transform: translateY(-1px);
            color: #fff;
        }

        .nav-cta-btn:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(245, 158, 11, 0.25);
        }

        .desktop-only {
            display: inline-flex;
        }

        .mobile-menu-btn {
            display: none;
            background: transparent;
            border: none;
            font-size: 1.35rem;
            color: var(--color-text);
            padding: 0.5rem;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .mobile-menu-btn:hover {
            color: var(--color-brand);
            background: var(--color-brand-light);
        }

        .mobile-menu {
            display: none;
            position: absolute;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-lg);
            padding: 0.75rem 1.5rem 1.25rem;
            flex-direction: column;
            gap: 0.35rem;
            z-index: 999;
        }

        .mobile-menu.active {
            display: flex;
        }

        .mobile-menu a {
            display: block;
            padding: 0.7rem 1rem;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
        }

        .mobile-menu a:hover {
            background: var(--color-brand-light);
            color: var(--color-brand);
        }

        .mobile-menu a.mobile-nav-active {
            background: var(--color-brand-light);
            color: var(--color-brand-hover);
            font-weight: 600;
        }

        .mobile-menu a.mobile-cta {
            background: linear-gradient(135deg, #f59e0b, #d97706);
            color: #fff;
            text-align: center;
            font-weight: 600;
            border-radius: 2rem;
            margin-top: 0.4rem;
        }

        .mobile-menu a.mobile-cta:hover {
            background: linear-gradient(135deg, #d97706, #b45309);
            color: #fff;
        }

        /* ========== PAGE HERO ========== */
        .page-hero {
            position: relative;
            padding: 7rem 0 5rem;
            background: linear-gradient(170deg, #1a1d23 0%, #212529 35%, #2d2218 100%);
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }

        .page-hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            mix-blend-mode: overlay;
        }

        .page-hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: radial-gradient(ellipse at 30% 50%, rgba(212, 160, 32, 0.18) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 40%, rgba(245, 158, 11, 0.12) 0%, transparent 55%);
        }

        .page-hero .container-main {
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(212, 160, 32, 0.2);
            border: 1px solid rgba(212, 160, 32, 0.4);
            color: #f0c060;
            padding: 0.4rem 1rem;
            border-radius: 2rem;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            margin-bottom: 1.25rem;
        }

        .hero-badge i {
            font-size: 0.75rem;
            animation: pulseGold 2s ease-in-out infinite;
        }

        .page-hero h1 {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
        }

        .page-hero h1 .gold-text {
            background: linear-gradient(135deg, #f0c060, #e8b830, #d4a020);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .page-hero .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            line-height: 1.7;
            margin-bottom: 2rem;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }

        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 2rem;
            border-radius: 3rem;
            font-size: 1rem;
            font-weight: 700;
            color: #1a1d23;
            background: linear-gradient(135deg, #f0c060, #d4a020);
            box-shadow: 0 6px 24px rgba(212, 160, 32, 0.45);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .btn-hero-primary:hover {
            box-shadow: 0 10px 32px rgba(212, 160, 32, 0.6);
            transform: translateY(-2px);
        }

        .btn-hero-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 16px rgba(212, 160, 32, 0.35);
        }

        .btn-hero-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 1.9rem;
            border-radius: 3rem;
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.35);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

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

        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 2.5rem;
            margin-top: 2.5rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }

        .hero-stat-item {
            text-align: left;
        }

        .hero-stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: #f0c060;
            letter-spacing: -0.01em;
        }

        .hero-stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 0.2rem;
        }

        /* ========== SECTION COMMON ========== */
        .section-pad {
            padding: 5rem 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 3.5rem;
        }

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

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-dark);
            letter-spacing: -0.02em;
            margin-bottom: 0.75rem;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-light);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* ========== TIER CARDS ========== */
        .tiers-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.75rem;
            align-items: stretch;
        }

        .tier-card {
            background: #fff;
            border-radius: var(--radius-2xl);
            padding: 2.25rem 1.75rem;
            text-align: center;
            border: 2px solid var(--color-border-light);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .tier-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
            border-color: #e0d5c0;
        }

        .tier-card.featured {
            border-color: #d4a020;
            box-shadow: 0 0 0 4px rgba(212, 160, 32, 0.08), var(--shadow-lg);
            background: linear-gradient(180deg, #fffef9 0%, #fff 40%);
        }

        .tier-card.featured::before {
            content: '热门推荐';
            position: absolute;
            top: 1rem;
            right: -2rem;
            background: linear-gradient(135deg, #d4a020, #b88918);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.3rem 2.5rem;
            transform: rotate(45deg);
            letter-spacing: 0.04em;
            z-index: 1;
        }

        .tier-icon-wrap {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            margin: 0 auto 1.25rem;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            flex-shrink: 0;
        }

        .tier-icon-silver {
            background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
            color: #64748b;
            box-shadow: 0 4px 14px rgba(148, 163, 184, 0.25);
        }

        .tier-icon-gold {
            background: linear-gradient(135deg, #f0c060, #d4a020);
            color: #fff;
            box-shadow: 0 4px 18px rgba(212, 160, 32, 0.4);
        }

        .tier-icon-diamond {
            background: linear-gradient(135deg, #91a7ff, #5c7cfa);
            color: #fff;
            box-shadow: 0 4px 18px rgba(92, 124, 250, 0.4);
        }

        .tier-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 0.5rem;
        }

        .tier-card .tier-price {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-dark);
            margin: 0.75rem 0 0.3rem;
        }

        .tier-card .tier-price span {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-light);
        }

        .tier-card .tier-period {
            font-size: 0.85rem;
            color: var(--color-text-light);
            margin-bottom: 1.25rem;
        }

        .tier-features {
            text-align: left;
            padding: 0;
            margin: 0 0 1.75rem;
            flex: 1;
        }

        .tier-features li {
            padding: 0.5rem 0;
            font-size: 0.9rem;
            color: var(--color-text);
            display: flex;
            align-items: flex-start;
            gap: 0.6rem;
            border-bottom: 1px solid var(--color-border-light);
        }

        .tier-features li:last-child {
            border-bottom: none;
        }

        .tier-features li i {
            color: #22c55e;
            margin-top: 0.2rem;
            flex-shrink: 0;
            font-size: 0.85rem;
        }

        .btn-tier {
            display: block;
            width: 100%;
            padding: 0.8rem;
            border-radius: 3rem;
            font-size: 0.95rem;
            font-weight: 700;
            text-align: center;
            transition: all var(--transition-fast);
            cursor: pointer;
            letter-spacing: 0.01em;
        }

        .btn-tier-silver {
            background: #f1f5f9;
            color: #475569;
            border: 2px solid #e2e8f0;
        }
        .btn-tier-silver:hover {
            background: #e2e8f0;
            border-color: #cbd5e1;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
        }

        .btn-tier-gold {
            background: linear-gradient(135deg, #f0c060, #d4a020);
            color: #1a1d23;
            border: 2px solid transparent;
            box-shadow: 0 4px 16px rgba(212, 160, 32, 0.35);
        }
        .btn-tier-gold:hover {
            box-shadow: 0 8px 26px rgba(212, 160, 32, 0.5);
            transform: translateY(-2px);
        }

        .btn-tier-diamond {
            background: linear-gradient(135deg, #748ffc, #5c7cfa);
            color: #fff;
            border: 2px solid transparent;
            box-shadow: 0 4px 16px rgba(92, 124, 250, 0.35);
        }
        .btn-tier-diamond:hover {
            box-shadow: 0 8px 26px rgba(92, 124, 250, 0.5);
            transform: translateY(-2px);
        }

        /* ========== BENEFIT GRID ========== */
        .benefit-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .benefit-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 2rem 1.5rem;
            text-align: center;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }

        .benefit-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: #e0d5c0;
        }

        .benefit-icon-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            margin: 0 auto 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            background: var(--color-brand-light);
            color: var(--color-brand);
        }

        .benefit-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 0.5rem;
        }

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

        /* ========== SCENARIO SECTION ========== */
        .scenario-block {
            background: #fff;
            border-radius: var(--radius-2xl);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 1fr;
            align-items: center;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
        }

        .scenario-img-wrap {
            position: relative;
            height: 100%;
            min-height: 340px;
            overflow: hidden;
        }

        .scenario-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .scenario-content {
            padding: 3rem 2.5rem;
        }

        .scenario-content h3 {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--color-dark);
            margin-bottom: 1rem;
            letter-spacing: -0.01em;
        }

        .scenario-content p {
            font-size: 1rem;
            color: var(--color-text-light);
            line-height: 1.75;
            margin-bottom: 1.25rem;
        }

        .scenario-list {
            padding: 0;
        }
        .scenario-list li {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.4rem 0;
            font-size: 0.95rem;
            color: var(--color-text);
        }
        .scenario-list li i {
            color: #22c55e;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        /* ========== STEPS ========== */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            position: relative;
        }

        .step-card {
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .step-number {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: linear-gradient(135deg, #f59e0b, #d97706);
            color: #fff;
            font-size: 1.5rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.3);
            position: relative;
        }

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

        .step-card p {
            font-size: 0.88rem;
            color: var(--color-text-light);
            line-height: 1.5;
        }

        .steps-connector {
            position: absolute;
            top: 30px;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, #f59e0b, #e5e7eb, #e5e7eb, #e5e7eb);
            z-index: 0;
            border-radius: 1px;
        }

        /* ========== FAQ ========== */
        .faq-wrap {
            max-width: 760px;
            margin: 0 auto;
        }

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

        .faq-item:hover {
            border-color: #d4c8a8;
        }

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

        .faq-question:hover {
            background: #fefdf8;
        }

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

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 1.5rem;
            color: var(--color-text-light);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.5rem 1.3rem;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(160deg, #1a1d23 0%, #212529 50%, #2d2218 100%);
            position: relative;
            overflow: hidden;
            text-align: center;
            padding: 5rem 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            mix-blend-mode: overlay;
            z-index: 0;
        }

        .cta-section .container-main {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 1rem;
        }

        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 500px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }

        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            padding: 1rem 2.5rem;
            border-radius: 3rem;
            font-size: 1.1rem;
            font-weight: 700;
            color: #1a1d23;
            background: linear-gradient(135deg, #f0c060, #d4a020);
            box-shadow: 0 8px 28px rgba(212, 160, 32, 0.5);
            transition: all var(--transition-fast);
            cursor: pointer;
            letter-spacing: 0.01em;
        }

        .btn-cta-large:hover {
            box-shadow: 0 12px 36px rgba(212, 160, 32, 0.65);
            transform: translateY(-3px);
        }

        .btn-cta-large:active {
            transform: translateY(0);
        }

        .cta-trust-row {
            display: flex;
            justify-content: center;
            gap: 2.5rem;
            margin-top: 2rem;
            flex-wrap: wrap;
        }

        .cta-trust-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
        }

        .cta-trust-item i {
            color: #22c55e;
            font-size: 0.85rem;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a1d23;
            color: rgba(255, 255, 255, 0.7);
            padding: 3.5rem 0 1.5rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }

        .footer-brand {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.75rem;
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            padding: 0.35rem 0;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: #f0c060;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .tiers-grid {
                grid-template-columns: repeat(1, 1fr);
                max-width: 440px;
                margin: 0 auto;
                gap: 1.5rem;
            }
            .benefit-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-block {
                grid-template-columns: 1fr;
            }
            .scenario-img-wrap {
                min-height: 240px;
                order: -1;
            }
            .scenario-content {
                padding: 2rem 1.5rem;
            }
            .steps-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-connector {
                display: none;
            }
            .page-hero h1 {
                font-size: 2.3rem;
            }
            .hero-stats-row {
                gap: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
            .footer-grid>div:first-child {
                grid-column: 1/-1;
            }
        }

        @media (max-width: 768px) {
            .desktop-only {
                display: none;
            }
            .mobile-menu-btn {
                display: block;
            }
            .nav-links {
                display: none;
            }
            .page-hero {
                padding: 5.5rem 0 3.5rem;
                min-height: auto;
            }
            .page-hero h1 {
                font-size: 1.9rem;
            }
            .page-hero .hero-subtitle {
                font-size: 1rem;
            }
            .hero-stats-row {
                gap: 1.2rem;
                flex-wrap: wrap;
                justify-content: flex-start;
            }
            .hero-stat-num {
                font-size: 1.5rem;
            }
            .section-pad {
                padding: 3.5rem 0;
            }
            .section-title {
                font-size: 1.65rem;
            }
            .benefit-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }
            .steps-row {
                grid-template-columns: 1fr 1fr;
                gap: 1.25rem;
            }
            .cta-section h2 {
                font-size: 1.75rem;
            }
            .tiers-grid {
                max-width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .scenario-content {
                padding: 1.5rem 1.25rem;
            }
            .scenario-content h3 {
                font-size: 1.3rem;
            }
            .tier-card {
                padding: 1.75rem 1.5rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                text-align: center;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.55rem;
            }
            .page-hero .hero-subtitle {
                font-size: 0.9rem;
            }
            .benefit-grid {
                grid-template-columns: 1fr;
            }
            .steps-row {
                grid-template-columns: 1fr;
            }
            .hero-stats-row {
                flex-direction: column;
                gap: 1rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .cta-trust-row {
                flex-direction: column;
                align-items: center;
                gap: 0.8rem;
            }
            .tier-card.featured::before {
                font-size: 0.7rem;
                top: 0.7rem;
                right: -2.5rem;
                padding: 0.25rem 2.2rem;
            }
        }