/* roulang page: index */
:root {
            --primary: #4A7FA5;
            --primary-light: #E8F0F5;
            --primary-dark: #36628A;
            --accent: #C9A063;
            --bg: #F5F7FA;
            --card: #FFFFFF;
            --text-main: #1F2933;
            --text-sub: #52606D;
            --text-weak: #9AA5B1;
            --border: #D9E2EC;
            --success: #2F855A;
            --warning: #C05621;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-hero: 24px;
            --shadow-card: 0 2px 8px rgba(31, 41, 51, 0.06);
            --shadow-hover: 0 8px 24px rgba(31, 41, 51, 0.10);
            --shadow-nav: 0 4px 20px rgba(31, 41, 51, 0.08);
            --space-section: 80px;
            --space-section-mobile: 48px;
            --font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--bg);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease;
        }

        a:hover {
            color: var(--primary-dark);
        }

        button {
            font-family: var(--font-family);
            cursor: pointer;
        }

        input, select, textarea {
            font-family: var(--font-family);
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.7);
            -webkit-backdrop-filter: blur(16px);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(217, 226, 236, 0.6);
            transition: background .3s ease, box-shadow .3s ease;
        }

        .site-header.scrolled {
            background: #FFFFFF;
            box-shadow: var(--shadow-nav);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .nav-logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .nav-logo:hover {
            color: var(--primary-dark);
            opacity: 0.85;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-sub);
            transition: background .2s, color .2s;
        }

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

        .nav-links a.active {
            background: var(--primary-light);
            color: var(--primary-dark);
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn-login {
            padding: 8px 18px;
            font-size: 14px;
            border-radius: 8px;
            background: #fff;
            border: 1px solid var(--primary);
            color: var(--primary);
            font-weight: 500;
            transition: all .2s ease;
        }

        .btn-login:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }

        .btn-cta {
            padding: 8px 20px;
            font-size: 14px;
            border-radius: 8px;
            background: var(--primary);
            border: 1px solid var(--primary);
            color: #fff;
            font-weight: 600;
            transition: all .2s ease;
        }

        .btn-cta:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(54, 98, 138, 0.3);
            color: #fff;
        }

        .btn-cta:active {
            transform: scale(0.98);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text-main);
            padding: 4px 8px;
            border-radius: 6px;
        }

        .nav-toggle:hover {
            background: var(--primary-light);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255, 255, 255, 0.92);
            -webkit-backdrop-filter: blur(20px);
            backdrop-filter: blur(20px);
            z-index: 999;
            padding: 80px 32px 40px;
            flex-direction: column;
            gap: 8px;
        }

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

        .mobile-menu a {
            font-size: 22px;
            font-weight: 600;
            color: var(--text-main);
            padding: 16px 12px;
            border-radius: 10px;
            border-bottom: 1px solid var(--border);
        }

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

        .mobile-menu-close {
            position: absolute;
            top: 20px;
            right: 24px;
            font-size: 28px;
            background: none;
            border: none;
            color: var(--text-main);
            padding: 8px;
            border-radius: 8px;
        }

        .mobile-menu-close:hover {
            background: var(--primary-light);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(54, 98, 138, 0.72) 0%, rgba(74, 127, 165, 0.55) 100%), url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            padding: 120px 0 80px;
        }

        .hero-content {
            max-width: 680px;
        }

        .hero-title {
            font-size: clamp(32px, 5vw, 56px);
            font-weight: 700;
            line-height: 1.3;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .hero-subtitle {
            font-size: 18px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 36px;
            max-width: 560px;
        }

        .hero-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-btn-primary {
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 600;
            border-radius: 8px;
            background: #fff;
            color: var(--primary-dark);
            border: 2px solid #fff;
            transition: all .25s ease;
            display: inline-block;
        }

        .hero-btn-primary:hover {
            background: var(--primary-light);
            border-color: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
            color: var(--primary-dark);
        }

        .hero-btn-secondary {
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 500;
            border-radius: 8px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.7);
            transition: all .25s ease;
            display: inline-block;
        }

        .hero-btn-secondary:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            color: #fff;
        }

        .hero-scroll {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            color: rgba(255, 255, 255, 0.6);
            font-size: 20px;
            animation: bounceDown 2s ease infinite;
        }

        @keyframes bounceDown {
            0%, 100% { transform: translateX(-50%) translateY(0); }
            50% { transform: translateX(-50%) translateY(10px); }
        }

        /* ===== 区块通用 ===== */
        .section {
            padding: var(--space-section) 0;
        }

        .section-alt {
            background: #fff;
        }

        .section-title {
            font-size: clamp(24px, 3vw, 36px);
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 12px;
            color: var(--text-main);
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-sub);
            margin-bottom: 48px;
            max-width: 640px;
            line-height: 1.7;
        }

        /* ===== 权益对比表 ===== */
        .compare-wrap {
            background: var(--card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }

        .compare-scroll {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        .compare-tabs {
            display: flex;
            gap: 8px;
            padding: 20px 24px 0;
            border-bottom: 1px solid var(--border);
            background: #fff;
        }

        .compare-tab {
            padding: 10px 22px;
            border-radius: 8px 8px 0 0;
            font-size: 14px;
            font-weight: 500;
            border: 1px solid transparent;
            border-bottom: none;
            background: transparent;
            color: var(--text-sub);
            transition: all .2s;
        }

        .compare-tab:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
        }

        .compare-tab.active {
            background: var(--primary-light);
            color: var(--primary-dark);
            font-weight: 600;
            border-color: var(--border);
        }

        .compare-table {
            width: 100%;
            min-width: 640px;
            border-collapse: collapse;
        }

        .compare-table th,
        .compare-table td {
            padding: 18px 20px;
            text-align: center;
            font-size: 14px;
            border-bottom: 1px solid var(--border);
            vertical-align: middle;
        }

        .compare-table th {
            background: #fff;
            font-weight: 600;
            color: var(--text-main);
            font-size: 16px;
            padding: 24px 20px;
        }

        .compare-table td:first-child,
        .compare-table th:first-child {
            text-align: left;
            font-weight: 500;
            color: var(--text-sub);
            min-width: 160px;
            background: #FAFBFC;
        }

        .compare-table .highlight-col {
            background: var(--primary-light) !important;
            position: relative;
        }

        .compare-table .highlight-col th {
            background: var(--primary-light);
        }

        .compare-table tr:last-child td {
            border-bottom: none;
        }

        .price-tag {
            display: inline-block;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary-dark);
        }

        .price-old {
            font-size: 13px;
            color: var(--text-weak);
            text-decoration: line-through;
            margin-left: 6px;
        }

        .dot-yes, .dot-no {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            margin-right: 6px;
            vertical-align: middle;
        }

        .dot-yes {
            background: var(--success);
        }

        .dot-no {
            background: var(--border);
        }

        .compare-note {
            padding: 14px 24px;
            font-size: 13px;
            color: var(--text-weak);
            background: #FAFBFC;
            border-top: 1px solid var(--border);
            text-align: center;
        }

        .scroll-hint {
            display: none;
            text-align: center;
            font-size: 13px;
            color: var(--text-weak);
            padding: 8px 0 16px;
        }

        /* ===== 等级亮点卡片 ===== */
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 24px;
        }

        .tier-card {
            position: relative;
            background: var(--card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            padding: 32px 28px;
            transition: all .3s ease;
            overflow: hidden;
        }

        .tier-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary);
            opacity: 0;
            transition: opacity .3s ease;
        }

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

        .tier-card:hover::before {
            opacity: 1;
        }

        .tier-card.col-4 { grid-column: span 4; }
        .tier-card.col-5 { grid-column: span 5; }
        .tier-card.col-7 { grid-column: span 7; }
        .tier-card.col-3 { grid-column: span 3; }
        .tier-card.col-8 { grid-column: span 8; }

        .tier-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            color: var(--primary-dark);
            font-size: 20px;
        }

        .tier-name {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-main);
        }

        .tier-desc {
            font-size: 14px;
            color: var(--text-sub);
            margin-bottom: 16px;
            line-height: 1.6;
        }

        .tier-features {
            list-style: none;
            margin-bottom: 20px;
        }

        .tier-features li {
            font-size: 14px;
            color: var(--text-sub);
            padding: 6px 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .tier-features li i {
            color: var(--primary);
            font-size: 12px;
        }

        .tier-stat {
            display: flex;
            align-items: baseline;
            gap: 8px;
            padding-top: 16px;
            border-top: 1px solid var(--border);
        }

        .tier-stat-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary-dark);
        }

        .tier-stat-label {
            font-size: 14px;
            color: var(--text-sub);
        }

        .tier-badge {
            display: inline-block;
            padding: 4px 12px;
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            border-radius: 20px;
            font-weight: 600;
            position: absolute;
            top: 20px;
            right: 20px;
        }

        /* ===== 专属内容预览 ===== */
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .content-card {
            background: var(--card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all .3s ease;
            position: relative;
        }

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

        .content-card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }

        .content-card-body {
            padding: 24px;
        }

        .content-badge {
            display: inline-block;
            padding: 4px 12px;
            background: var(--primary-light);
            color: var(--primary-dark);
            font-size: 12px;
            border-radius: 4px;
            font-weight: 500;
            margin-bottom: 12px;
        }

        .content-card-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .content-card-desc {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 16px;
        }

        .content-card-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap .2s;
        }

        .content-card-link:hover {
            gap: 10px;
            color: var(--primary-dark);
        }

        .member-tag {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 4px;
            font-weight: 600;
            z-index: 2;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow .3s;
        }

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            background: none;
            border: none;
            text-align: left;
            transition: color .2s;
        }

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

        .faq-icon {
            font-size: 18px;
            color: var(--primary);
            transition: transform .3s ease;
            flex-shrink: 0;
            margin-left: 16px;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        .faq-answer p {
            padding: 0 24px 20px;
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-sub);
        }

        /* ===== CTA 区块 ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-light) 0%, #FFFFFF 50%, var(--bg) 100%);
            padding: 88px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-content {
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }

        .cta-title {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .cta-desc {
            font-size: 16px;
            color: var(--text-sub);
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .cta-btn {
            padding: 14px 40px;
            font-size: 16px;
            font-weight: 600;
            border-radius: 8px;
            background: var(--primary);
            color: #fff;
            border: 2px solid var(--primary);
            transition: all .25s ease;
            display: inline-block;
        }

        .cta-btn:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(54, 98, 138, 0.3);
            color: #fff;
        }

        .cta-btn:active {
            transform: scale(0.98);
        }

        .cta-decoration {
            position: absolute;
            border-radius: 50%;
            background: rgba(74, 127, 165, 0.15);
        }

        .cta-decoration-1 {
            width: 160px;
            height: 160px;
            top: -40px;
            right: 10%;
        }

        .cta-decoration-2 {
            width: 80px;
            height: 80px;
            top: 30%;
            right: 5%;
        }

        .cta-decoration-3 {
            width: 48px;
            height: 48px;
            bottom: 20px;
            right: 20%;
        }

        /* ===== 最新资讯列表 ===== */
        .news-list {
            background: var(--card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            padding: 8px 28px;
        }

        .news-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border);
            flex-wrap: wrap;
        }

        .news-item:last-child {
            border-bottom: none;
        }

        .news-badge {
            flex-shrink: 0;
            padding: 3px 12px;
            background: var(--primary-light);
            color: var(--primary-dark);
            font-size: 12px;
            border-radius: 4px;
            font-weight: 500;
        }

        .news-title {
            flex: 1;
            min-width: 200px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            transition: color .2s;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .news-title:hover {
            color: var(--primary);
        }

        .news-desc {
            width: 100%;
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-top: -8px;
        }

        .news-time {
            font-size: 13px;
            color: var(--text-weak);
            flex-shrink: 0;
        }

        .news-empty {
            text-align: center;
            padding: 48px 20px;
            color: var(--text-weak);
        }

        .news-empty i {
            font-size: 40px;
            margin-bottom: 12px;
            display: block;
            color: var(--border);
        }

        .news-empty p {
            font-size: 15px;
        }

        .section-header-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
            flex-wrap: wrap;
            gap: 12px;
        }

        .section-header-row .section-title {
            margin-bottom: 0;
        }

        .view-all {
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .view-all:hover {
            color: var(--primary-dark);
            gap: 10px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #1F2933;
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 48px;
        }

        .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: inline-block;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            max-width: 300px;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            transition: color .2s;
        }

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

        .footer-contact {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
            font-size: 14px;
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-contact i {
            width: 16px;
            text-align: center;
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== 内部通用 ===== */
        .text-gradient {
            background: linear-gradient(90deg, var(--primary-dark), var(--primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .divider {
            width: 48px;
            height: 3px;
            border-radius: 2px;
            background: var(--accent);
            margin-bottom: 20px;
        }

        /* 面包屑 */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-weak);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--primary);
        }

        .breadcrumb a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }

        .breadcrumb i {
            font-size: 10px;
            color: var(--text-weak);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .tier-card.col-4,
            .tier-card.col-5,
            .tier-card.col-7,
            .tier-card.col-3,
            .tier-card.col-8 {
                grid-column: span 6;
            }

            .tier-card.col-3 {
                grid-column: span 6;
            }

            .hero {
                min-height: 70vh;
            }

            .content-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --space-section: 48px;
            }

            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }

            .nav-links, .nav-actions .btn-login {
                display: none;
            }

            .nav-toggle {
                display: inline-block;
            }

            .section-subtitle {
                margin-bottom: 32px;
            }

            .content-grid {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero {
                padding: 100px 0 60px;
                min-height: 84vh;
            }

            .hero-title {
                font-size: 32px;
            }

            .hero-subtitle {
                font-size: 16px;
            }

            .compare-tabs {
                padding: 16px 16px 0;
            }

            .compare-note {
                padding: 12px 16px;
            }

            .tier-grid {
                grid-template-columns: 1fr 1fr;
            }

            .tier-card.col-4,
            .tier-card.col-5,
            .tier-card.col-7,
            .tier-card.col-3,
            .tier-card.col-8 {
                grid-column: span 1;
            }

            .news-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .news-title {
                width: 100%;
                white-space: normal;
                font-size: 16px;
            }

            .news-time {
                font-size: 12px;
            }

            .cta-btn {
                width: 100%;
                text-align: center;
            }

            .scroll-hint {
                display: block;
            }

            .compare-scroll {
                padding-bottom: 4px;
            }
        }

        @media (max-width: 640px) {
            .tier-grid {
                grid-template-columns: 1fr;
            }

            .hero-buttons {
                flex-direction: column;
                width: 100%;
            }

            .hero-btn-primary, .hero-btn-secondary {
                width: 100%;
                text-align: center;
            }

            .news-list {
                padding: 8px 20px;
            }

            .cta-section {
                padding: 64px 0;
            }
        }

        @media (max-width: 520px) {
            .nav-logo {
                font-size: 17px;
            }

            .btn-cta {
                padding: 8px 14px;
                font-size: 13px;
            }

            .section-title {
                font-size: 26px;
            }

            .content-card-body {
                padding: 20px;
            }

            .faq-question {
                font-size: 15px;
                padding: 18px 16px;
            }

            .faq-answer p {
                padding: 0 16px 18px;
                font-size: 14px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *, *::before, *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }

/* roulang page: article */
:root {
            --primary: #4A7FA5;
            --primary-light: #E8F0F5;
            --primary-dark: #36628A;
            --accent: #C9A063;
            --bg: #F5F7FA;
            --card: #FFFFFF;
            --text: #1F2933;
            --text-secondary: #52606D;
            --text-weak: #9AA5B1;
            --border: #D9E2EC;
            --radius-sm: 6px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-card: 0 2px 8px rgba(31,41,51,0.06);
            --shadow-hover: 0 8px 24px rgba(31,41,51,0.10);
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
        }
        img { max-width: 100%; display: block; }
        a { color: var(--primary); text-decoration: none; transition: color .2s; }
        a:hover { color: var(--primary-dark); }
        .container-custom { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

        /* ===== Header 导航 ===== */
        .site-header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 100;
            background: rgba(255,255,255,0.72);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(217,226,236,0.55);
            transition: background .35s, box-shadow .35s;
        }
        .site-header.scrolled {
            background: #ffffff;
            box-shadow: 0 4px 20px rgba(31,41,51,0.08);
        }
        .nav-container {
            max-width: 1200px; margin: 0 auto; padding: 0 24px;
            display: flex; align-items: center; justify-content: space-between; height: 72px;
        }
        .nav-logo {
            font-size: 22px; font-weight: 700; color: var(--primary-dark);
            letter-spacing: 0.5px; white-space: nowrap;
        }
        .nav-links { display: flex; align-items: center; gap: 20px; }
        .nav-links a {
            color: var(--text-secondary); font-size: 15px;
            padding: 8px 14px; border-radius: 6px; transition: background .2s, color .2s;
        }
        .nav-links a:hover { background: var(--primary-light); color: var(--primary-dark); }
        .nav-links a.active { color: var(--primary-dark); font-weight: 600; }
        .nav-actions { display: flex; align-items: center; gap: 12px; }
        .btn-login {
            background: #fff; border: 1px solid var(--border); color: var(--primary-dark);
            padding: 8px 18px; border-radius: 8px; font-size: 14px; cursor: pointer; transition: all .2s;
        }
        .btn-login:hover { border-color: var(--primary); background: var(--primary-light); }
        .btn-cta {
            background: var(--primary); border: none; color: #fff; padding: 10px 22px;
            border-radius: 8px; font-size: 14px; font-weight: 500; cursor: pointer; transition: all .2s;
        }
        .btn-cta:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(74,127,165,0.30); }
        .btn-cta:active { transform: scale(0.97); }
        .nav-toggle { display: none; background: none; border: none; font-size: 22px; color: var(--text); cursor: pointer; }

        /* ===== 面包屑 Banner ===== */
        .article-banner {
            padding: 130px 0 44px;
            background: linear-gradient(135deg, #EFF5FA 0%, #F7FAFC 100%);
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-weak); flex-wrap: wrap; }
        .breadcrumb a { color: var(--primary); font-weight: 500; }
        .breadcrumb a:hover { text-decoration: underline; }
        .breadcrumb i { font-size: 10px; color: var(--text-weak); }

        /* ===== 文章主体 ===== */
        .article-wrap { padding: 48px 0 80px; }
        .article-card {
            background: var(--card); border-radius: var(--radius-md);
            box-shadow: var(--shadow-card); border: 1px solid var(--border);
            padding: 48px; max-width: 880px; margin: 0 auto;
        }
        .article-title {
            font-size: clamp(26px, 4vw, 36px); font-weight: 700; color: var(--text);
            line-height: 1.4; margin-bottom: 16px;
        }
        .article-meta {
            display: flex; align-items: center; gap: 18px; font-size: 13px; color: var(--text-weak);
            padding-bottom: 24px; border-bottom: 1px solid var(--border);
            margin-bottom: 32px; flex-wrap: wrap;
        }
        .meta-item i { margin-right: 5px; }
        .category-badge {
            background: var(--primary-light); color: var(--primary-dark);
            padding: 4px 14px; border-radius: 20px; font-size: 12px; font-weight: 600;
        }
        .article-content { max-width: 720px; margin: 0 auto; }
        .article-content p { margin-bottom: 24px; color: var(--text); font-size: 16px; line-height: 1.8; }
        .article-content h2 { font-size: 24px; font-weight: 600; color: var(--text); margin: 40px 0 16px; }
        .article-content h3 { font-size: 20px; font-weight: 600; color: var(--text); margin: 32px 0 12px; }
        .article-content ul, .article-content ol { margin: 0 0 24px 24px; color: var(--text); }
        .article-content li { margin-bottom: 8px; }
        .article-content img { width: 100%; border-radius: 12px; margin: 24px 0; height: auto; object-fit: cover; }
        .article-content blockquote {
            border-left: 4px solid var(--primary); padding: 16px 24px;
            background: var(--primary-light); border-radius: 0 8px 8px 0;
            margin: 24px 0; color: var(--text-secondary); font-style: italic;
        }
        .article-content a { text-decoration: underline; }

        /* ===== 空态 ===== */
        .article-empty { text-align: center; padding: 60px 20px; }
        .article-empty i { font-size: 56px; color: var(--text-weak); margin-bottom: 24px; }
        .article-empty p { color: var(--text-secondary); margin-bottom: 28px; }

        /* ===== 相关推荐 ===== */
        .related-box { max-width: 880px; margin: 48px auto 0; }
        .related-title { font-size: 20px; font-weight: 600; color: var(--text); margin-bottom: 20px; }
        .related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
        .related-card {
            background: var(--card); border-radius: 12px; padding: 16px;
            box-shadow: var(--shadow-card); border: 1px solid var(--border);
            transition: all .25s; display: block; color: var(--text);
        }
        .related-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); color: var(--text); }
        .related-card img {
            width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: 8px; margin-bottom: 12px;
        }
        .related-card h4 { font-size: 15px; font-weight: 600; line-height: 1.5; color: var(--text); }
        .back-link { text-align: center; margin-top: 32px; }
        .back-link a { font-size: 14px; color: var(--primary); font-weight: 500; }
        .back-link a:hover { text-decoration: underline; }
        .back-link i { margin-right: 6px; }

        /* ===== CTA 区块 ===== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, #E8F0F5 0%, #FFFFFF 50%, #F5F7FA 100%);
            border-top: 1px solid var(--border);
            position: relative; overflow: hidden;
        }
        .cta-section::before, .cta-section::after {
            content: ""; position: absolute; border-radius: 50%;
            background: rgba(74,127,165,0.10); pointer-events: none;
        }
        .cta-section::before { width: 180px; height: 180px; top: -60px; right: 40px; }
        .cta-section::after { width: 120px; height: 120px; bottom: -30px; left: 60px; }
        .cta-content { text-align: center; position: relative; z-index: 1; }
        .cta-content h2 { font-size: clamp(24px, 3vw, 32px); font-weight: 600; color: var(--text); margin-bottom: 12px; }
        .cta-content p { font-size: 16px; color: var(--text-secondary); margin-bottom: 28px; }
        .cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
        .btn-secondary {
            background: #fff; border: 1px solid var(--primary); color: var(--primary);
            padding: 12px 28px; border-radius: 8px; font-size: 15px; font-weight: 500;
            cursor: pointer; transition: all .2s; display: inline-block; text-align: center;
        }
        .btn-secondary:hover { background: var(--primary-light); }
        .btn-secondary:active { transform: scale(0.97); }

        /* ===== 页脚 ===== */
        .site-footer { background: #1F2933; color: rgba(255,255,255,0.70); padding: 60px 0 24px; }
        .footer-grid {
            display: grid; grid-template-columns: 1.5fr 1fr 1.2fr;
            gap: 40px; margin-bottom: 40px;
        }
        .footer-logo { color: #fff; font-size: 20px; font-weight: 700; }
        .footer-desc { margin-top: 12px; font-size: 14px; color: rgba(255,255,255,0.60); max-width: 320px; line-height: 1.7; }
        .footer-title { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 16px; }
        .footer-links, .footer-contact { list-style: none; padding: 0; }
        .footer-links li { margin-bottom: 8px; }
        .footer-links a { color: rgba(255,255,255,0.70); font-size: 14px; }
        .footer-links a:hover { color: #fff; }
        .footer-contact li { margin-bottom: 8px; font-size: 14px; display: flex; align-items: center; gap: 8px; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.10); padding-top: 24px;
            text-align: center; font-size: 13px; color: rgba(255,255,255,0.50);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .nav-links { gap: 8px; }
            .nav-links a { padding: 8px 10px; font-size: 14px; }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none; position: fixed; top: 72px; left: 0; right: 0;
                background: rgba(255,255,255,0.95); backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px); padding: 24px; gap: 8px;
                box-shadow: 0 8px 24px rgba(31,41,51,0.10); border-bottom: 1px solid var(--border);
                flex-direction: column; align-items: stretch;
            }
            .nav-links.mobile-open { display: flex; }
            .nav-links a { padding: 14px 16px; font-size: 15px; border-radius: 8px; }
            .nav-toggle { display: block; }
            .article-card { padding: 32px 20px; }
            .article-banner { padding: 110px 0 32px; }
            .footer-grid { grid-template-columns: 1fr; gap: 32px; }
            .related-grid { grid-template-columns: 1fr; }
            .cta-section { padding: 56px 0; }
        }
        @media (max-width: 520px) {
            .container-custom { padding: 0 16px; }
            .nav-logo { font-size: 18px; }
            .btn-login { display: none; }
            .article-meta { gap: 10px; row-gap: 8px; }
            .cta-buttons { flex-direction: column; align-items: center; }
            .btn-cta, .btn-secondary { width: 100%; max-width: 280px; text-align: center; }
        }
        @media (max-width: 640px) {
            .btn-login { display: none; }
        }

/* roulang page: category1 */
:root {
            --primary: #4A7FA5;
            --primary-light: #E8F0F5;
            --primary-dark: #36628A;
            --accent: #C9A063;
            --bg: #F5F7FA;
            --card: #FFFFFF;
            --text-main: #1F2933;
            --text-sub: #52606D;
            --text-weak: #9AA5B1;
            --border: #D9E2EC;
            --success: #2F855A;
            --warning: #C05621;
            --radius-sm: 6px;
            --radius-card: 16px;
            --radius-hero: 24px;
            --shadow-card: 0 2px 8px rgba(31,41,51,0.06);
            --shadow-card-hover: 0 8px 24px rgba(31,41,51,0.10);
            --shadow-header: 0 4px 20px rgba(31,41,51,0.08);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg);
            color: var(--text-main);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        a:hover {
            color: var(--primary-dark);
        }

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

        ul {
            list-style: none;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: 80px 0;
        }

        .section-alt {
            background: #FFFFFF;
        }

        .section-header {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 48px;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 16px;
            border-radius: 20px;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .section-header h2 {
            font-size: clamp(24px, 3vw, 36px);
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 14px;
            line-height: 1.4;
        }

        .section-header p {
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.75;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(217, 226, 236, 0.6);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            background: #FFFFFF;
            box-shadow: 0 4px 20px rgba(31, 41, 51, 0.08);
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .nav-logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: 0.5px;
        }

        .nav-logo:hover {
            color: var(--primary-dark);
        }

        .nav-links {
            display: flex;
            gap: 4px;
            align-items: center;
        }

        .nav-links a {
            padding: 8px 16px;
            border-radius: 6px;
            color: var(--text-sub);
            font-size: 15px;
            font-weight: 400;
            transition: background 0.2s ease, color 0.2s ease;
        }

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

        .nav-links a.active {
            background: var(--primary-light);
            color: var(--primary-dark);
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-login {
            font-size: 14px;
            padding: 8px 20px;
            border-radius: 8px;
            border: 1px solid var(--primary);
            color: var(--primary);
            background: transparent;
            transition: background 0.2s ease, color 0.2s ease;
        }

        .btn-login:hover {
            background: var(--primary-light);
        }

        .btn-cta {
            font-size: 14px;
            padding: 8px 20px;
            border-radius: 8px;
            background: var(--primary);
            color: #fff;
            font-weight: 500;
            transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
        }

        .btn-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(54, 98, 138, 0.25);
        }

        .btn-cta:active {
            transform: scale(0.98);
        }

        .nav-toggle {
            display: none;
            font-size: 22px;
            color: var(--text-main);
            padding: 6px 10px;
            border-radius: 6px;
            transition: background 0.2s;
        }

        .nav-toggle:hover {
            background: var(--primary-light);
        }

        /* ===== Hero ===== */
        .page-hero {
            position: relative;
            padding: 180px 0 100px;
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            background-color: var(--primary-dark);
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(54, 98, 138, 0.78) 0%, rgba(74, 127, 165, 0.58) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .hero-badge {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: #fff;
            background: rgba(201, 160, 99, 0.85);
            padding: 5px 18px;
            border-radius: 20px;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .page-hero h1 {
            font-size: clamp(32px, 5vw, 56px);
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 20px;
            max-width: 720px;
        }

        .hero-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.88);
            line-height: 1.75;
            max-width: 560px;
            margin-bottom: 36px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-weight: 500;
            padding: 12px 24px;
            border-radius: 8px;
            background: var(--primary);
            color: #fff;
            transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(54, 98, 138, 0.3);
            color: #fff;
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-secondary-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-weight: 500;
            padding: 12px 24px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            transition: background 0.2s, border-color 0.2s;
        }

        .btn-secondary-light:hover {
            background: rgba(255, 255, 255, 0.25);
            border-color: #fff;
            color: #fff;
        }

        .btn-lg {
            padding: 14px 36px;
            font-size: 16px;
        }

        /* ===== 服务概览 ===== */
        .services-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 28px;
        }

        .service-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
            position: relative;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary);
            opacity: 0;
            transition: opacity 0.3s ease;
            z-index: 2;
        }

        .service-card:hover::before {
            opacity: 1;
        }

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

        .service-card-img {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--primary-light);
        }

        .service-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .service-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(255, 255, 255, 0.92);
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 20px;
            backdrop-filter: blur(4px);
        }

        .service-card-body {
            padding: 24px 24px 28px;
        }

        .service-card-body h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .service-card-body p {
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .service-feat-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
        }

        .service-feat-list li {
            font-size: 13px;
            color: var(--text-sub);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .service-feat-list li i {
            color: var(--success);
            font-size: 12px;
        }

        .service-card-plain {
            display: flex;
            align-items: flex-start;
            gap: 24px;
            padding: 28px 24px;
            background: var(--primary-light);
            border-color: transparent;
            flex-direction: column;
        }

        .service-card-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 22px;
            flex-shrink: 0;
        }

        .service-card-plain .service-card-body {
            padding: 0;
        }

        .service-card-plain .service-card-body h3 {
            font-size: 20px;
        }

        /* ===== 服务流程 ===== */
        .section-process {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 10px;
        }

        .process-step {
            position: relative;
            background: var(--bg);
            border-radius: var(--radius-card);
            padding: 32px 24px 28px;
            text-align: center;
            border: 1px solid var(--border);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }

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

        .step-num {
            position: absolute;
            top: 16px;
            right: 20px;
            font-size: 32px;
            font-weight: 700;
            color: rgba(74, 127, 165, 0.12);
            line-height: 1;
        }

        .step-icon {
            width: 52px;
            height: 52px;
            margin: 0 auto 18px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 20px;
        }

        .process-step h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
        }

        /* ===== 对比表 ===== */
        .table-scroll {
            overflow-x: auto;
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
        }

        .compare-table {
            width: 100%;
            min-width: 640px;
            border-collapse: collapse;
            background: #fff;
            font-size: 14px;
        }

        .compare-table thead th {
            background: var(--bg);
            padding: 20px 24px;
            text-align: left;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-main);
            border-bottom: 1px solid var(--border);
        }

        .compare-table thead th.highlight-col {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-left: 1px solid rgba(74, 127, 165, 0.15);
            border-right: 1px solid rgba(74, 127, 165, 0.15);
        }

        .compare-table tbody td {
            padding: 16px 24px;
            border-bottom: 1px solid #EDF2F7;
            color: var(--text-sub);
        }

        .compare-table tbody tr:last-child td {
            border-bottom: none;
        }

        .compare-table tbody td.highlight-col {
            background: var(--primary-light);
            color: var(--primary-dark);
            font-weight: 500;
            border-left: 1px solid rgba(74, 127, 165, 0.15);
            border-right: 1px solid rgba(74, 127, 165, 0.15);
        }

        .dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            margin-right: 6px;
            vertical-align: middle;
        }

        .dot-on {
            background: var(--success);
        }

        .dot-off {
            background: var(--border);
        }

        .table-tip {
            text-align: center;
            font-size: 13px;
            color: var(--text-weak);
            margin-top: 16px;
            display: none;
        }

        /* ===== 延伸阅读 ===== */
        .section-resources {
            background: #fff;
        }

        .resource-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            max-width: 800px;
            margin: 0 auto;
        }

        .resource-card {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 28px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            transition: box-shadow 0.3s ease, transform 0.3s ease, background 0.3s ease;
        }

        .resource-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            background: #fff;
        }

        .resource-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
            flex-shrink: 0;
        }

        .resource-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 4px;
        }

        .resource-card p {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.5;
        }

        .resource-arrow {
            margin-left: auto;
            color: var(--text-weak);
            font-size: 14px;
            transition: color 0.2s ease, transform 0.2s ease;
        }

        .resource-card:hover .resource-arrow {
            color: var(--primary);
            transform: translateX(3px);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: box-shadow 0.2s ease;
        }

        .faq-item.active {
            box-shadow: var(--shadow-card);
            border-color: var(--primary);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            text-align: left;
            transition: background 0.2s ease;
        }

        .faq-question:hover {
            background: var(--primary-light);
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 13px;
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 320px;
        }

        .faq-answer p {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.75;
        }

        /* ===== CTA ===== */
        .section-cta {
            position: relative;
            padding: 90px 0;
            background: linear-gradient(135deg, #E8F0F5 0%, #FFFFFF 50%, #F5F7FA 100%);
            text-align: center;
            overflow: hidden;
        }

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

        .cta-content h2 {
            font-size: clamp(24px, 3vw, 34px);
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .cta-content p {
            font-size: 16px;
            color: var(--text-sub);
            margin-bottom: 32px;
        }

        .cta-decor {
            position: absolute;
            border-radius: 50%;
            background: rgba(74, 127, 165, 0.12);
            z-index: 1;
        }

        .cta-decor-1 {
            width: 120px;
            height: 120px;
            top: 20px;
            right: 8%;
        }

        .cta-decor-2 {
            width: 70px;
            height: 70px;
            bottom: 40px;
            left: 12%;
        }

        .cta-decor-3 {
            width: 40px;
            height: 40px;
            top: 60%;
            right: 18%;
        }

        .section-tag-dark {
            background: var(--primary);
            color: #fff;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #1F2933;
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 44px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-logo {
            display: inline-block;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-logo:hover {
            color: #fff;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.75;
            max-width: 340px;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-links,
        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            transition: color 0.2s;
        }

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

        .footer-contact li {
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-contact li i {
            width: 18px;
            text-align: center;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom {
            padding: 24px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .services-grid {
                grid-template-columns: 1fr 1fr;
            }

            .service-card-plain {
                grid-column: span 2;
                flex-direction: row;
            }

            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }

            .page-hero {
                padding: 140px 0 70px;
            }

            .nav-links {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.94);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: flex-start;
                padding: 24px;
                gap: 4px;
                display: none;
                box-shadow: var(--shadow-header);
                border-top: 1px solid var(--border);
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links a {
                width: 100%;
                font-size: 16px;
            }

            .nav-toggle {
                display: block;
            }

            .services-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .service-card-plain {
                grid-column: auto;
                flex-direction: column;
            }

            .process-steps {
                grid-template-columns: 1fr;
            }

            .resource-grid {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
                padding-bottom: 32px;
            }
        }

        @media (max-width: 640px) {
            .container-custom {
                padding: 0 16px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .btn-primary,
            .btn-secondary-light {
                width: 100%;
            }

            .table-tip {
                display: block;
            }

            .table-scroll {
                margin: 0 -4px;
            }

            .compare-table {
                min-width: 560px;
            }

            .section-header {
                margin-bottom: 32px;
            }

            .section-header h2 {
                font-size: 26px;
            }

            .section-cta {
                padding: 60px 0;
            }

            .btn-login,
            .btn-cta {
                display: none;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #4A7FA5;
            --primary-light: #E8F0F5;
            --primary-dark: #36628A;
            --accent: #C9A063;
            --bg: #F5F7FA;
            --card: #FFFFFF;
            --text-main: #1F2933;
            --text-secondary: #52606D;
            --text-muted: #9AA5B1;
            --border: #D9E2EC;
            --success: #2F855A;
            --warning: #C05621;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 2px 8px rgba(31,41,51,0.06);
            --shadow-hover: 0 8px 24px rgba(31,41,51,0.10);
            --shadow-nav: 0 4px 20px rgba(31,41,51,0.08);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: var(--primary-dark);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(217, 226, 236, 0.6);
            transition: background .3s, box-shadow .3s;
        }
        .site-header.scrolled {
            background: #fff;
            box-shadow: var(--shadow-nav);
        }
        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .nav-logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary-dark);
            white-space: nowrap;
            letter-spacing: .5px;
        }
        .nav-logo:hover {
            color: var(--primary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links a {
            padding: 8px 16px;
            border-radius: 6px;
            font-size: 15px;
            color: var(--text-secondary);
            font-weight: 500;
            transition: background .2s, color .2s;
        }
        .nav-links a:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
        }
        .nav-links a.active {
            background: var(--primary-light);
            color: var(--primary-dark);
            font-weight: 600;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
            padding: 8px 20px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 500;
            transition: all .2s;
        }
        .btn-login:hover {
            background: var(--primary-light);
        }
        .btn-cta {
            background: var(--primary);
            border: none;
            color: #fff;
            padding: 8px 20px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 500;
            transition: all .2s;
        }
        .btn-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(54, 98, 138, .25);
        }
        .btn-cta:active {
            transform: scale(.98);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 20px;
            color: var(--text-main);
            padding: 6px;
        }

        /* Mobile drawer */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 200;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 28px;
        }
        .mobile-drawer.open {
            display: flex;
        }
        .mobile-drawer a {
            font-size: 18px;
            color: var(--text-main);
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 8px;
        }
        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            background: var(--primary-light);
            color: var(--primary-dark);
        }
        .mobile-drawer .close-btn {
            position: absolute;
            top: 20px;
            right: 24px;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--text-main);
            padding: 10px;
        }
        .mobile-drawer .drawer-cta {
            margin-top: 8px;
            padding: 12px 36px;
            background: var(--primary);
            color: #fff;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 500;
        }
        .mobile-drawer .drawer-cta:hover {
            background: var(--primary-dark);
            color: #fff;
        }

        /* ===== Hero ===== */
        .page-hero {
            position: relative;
            padding: 170px 0 90px;
            background: linear-gradient(135deg, rgba(54, 98, 138, 0.85), rgba(74, 127, 165, 0.65)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            color: #fff;
        }
        .hero-content {
            max-width: 720px;
        }
        .hero-tag {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 20px;
            padding: 4px 16px;
            font-size: 13px;
            letter-spacing: 1px;
            margin-bottom: 16px;
            color: rgba(255, 255, 255, 0.9);
        }
        .page-hero h1 {
            font-size: clamp(32px, 5vw, 52px);
            line-height: 1.3;
            margin-bottom: 20px;
            font-weight: 700;
        }
        .hero-sub {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 32px;
            max-width: 560px;
            line-height: 1.7;
        }
        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ===== Buttons ===== */
        .btn-primary {
            background: var(--primary);
            border: none;
            color: #fff;
            padding: 12px 30px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 500;
            transition: all .2s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(31, 41, 51, .2);
            color: #fff;
        }
        .btn-primary:active {
            transform: scale(.98);
        }
        .btn-secondary {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.7);
            color: #fff;
            padding: 12px 30px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 500;
            transition: all .2s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
        }

        /* ===== Section ===== */
        .section {
            padding: 80px 0;
        }
        .section-light {
            background: #fff;
        }
        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 52px;
        }
        .section-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 16px;
            border-radius: 20px;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }
        .section-header h2 {
            font-size: clamp(24px, 3vw, 36px);
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 12px;
            color: var(--text-main);
        }
        .section-header p {
            font-size: 16px;
            color: var(--text-secondary);
        }

        /* ===== Service Cards (non-symmetric grid) ===== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 24px;
        }
        .service-card {
            background: var(--card);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            transition: all .3s;
            position: relative;
        }
        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 24px;
            right: 24px;
            height: 3px;
            background: var(--primary);
            border-radius: 0 0 4px 4px;
            opacity: 0;
            transition: opacity .3s;
        }
        .service-card:hover::before {
            opacity: 1;
        }
        .service-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .service-card:nth-child(1) {
            grid-column: 1 / span 7;
        }
        .service-card:nth-child(2) {
            grid-column: 8 / span 5;
        }
        .service-card:nth-child(3) {
            grid-column: 1 / span 5;
        }
        .service-card:nth-child(4) {
            grid-column: 6 / span 7;
        }
        .service-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            background: var(--primary-light);
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
        }
        .service-card h3 {
            font-size: 19px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        .service-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .feature-list {
            margin-top: 14px;
            list-style: none;
        }
        .feature-list li {
            font-size: 13px;
            color: var(--text-secondary);
            padding: 3px 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .feature-list li i {
            color: var(--success);
            font-size: 12px;
            width: 16px;
            flex-shrink: 0;
        }

        /* ===== Process ===== */
        .process-section {
            background: var(--primary-light);
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .process-step {
            background: var(--card);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            transition: all .3s;
        }
        .process-step:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 18px;
            font-weight: 600;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
        }
        .process-step h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        .process-step p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ===== Stats ===== */
        .stats-band {
            background: var(--text-main);
            color: #fff;
            padding: 60px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }
        .stat-num {
            font-size: 40px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
        }
        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 8px;
        }

        /* ===== Scenario ===== */
        .scenario-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .scenario-item {
            display: flex;
            gap: 20px;
            background: var(--card);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            transition: all .3s;
        }
        .scenario-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .scenario-item img {
            width: 120px;
            height: 100px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
        }
        .scenario-item h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-main);
        }
        .scenario-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: 12px;
            overflow: hidden;
            transition: box-shadow .2s, border-color .2s;
        }
        .faq-item.active {
            box-shadow: var(--shadow-card);
            border-color: var(--primary-light);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }
        .faq-question .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
            transition: transform .3s;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease;
            padding: 0 24px;
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-secondary);
        }
        .faq-item.active .faq-answer {
            max-height: 240px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #E8F0F5 0%, #FFFFFF 50%, #F5F7FA 100%);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(74, 127, 165, 0.15);
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            right: 80px;
            width: 100px;
            height: 100px;
            border-radius: 50%;
            background: rgba(74, 127, 165, 0.10);
        }
        .cta-inner {
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }
        .cta-inner h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--text-main);
        }
        .cta-inner p {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 28px;
        }
        .cta-inner .btn-primary {
            padding: 14px 36px;
            font-size: 17px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #1F2933;
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 48px;
        }
        .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            display: inline-block;
        }
        .footer-logo:hover {
            color: var(--accent);
        }
        .footer-desc {
            margin-top: 12px;
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 280px;
        }
        .footer-title {
            font-size: 16px;
            color: #fff;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer-links,
        .footer-contact {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            transition: color .2s;
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-contact i {
            color: var(--accent);
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .nav-actions .btn-login {
                display: none;
            }
            .nav-actions .btn-cta {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 40px 24px;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .page-hero {
                padding: 130px 0 60px;
            }
            .page-hero h1 {
                font-size: 32px;
            }
            .container-custom {
                padding: 0 16px;
            }
            .section {
                padding: 48px 0;
            }
            .service-card:nth-child(n) {
                grid-column: 1 / -1;
            }
            .process-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px 16px;
            }
            .stat-num {
                font-size: 32px;
            }
            .scenario-item {
                flex-direction: column;
            }
            .scenario-item img {
                width: 100%;
                height: 140px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .cta-section {
                padding: 48px 0;
            }
        }
        @media (max-width: 520px) {
            .nav-container {
                padding: 0 16px;
            }
            .nav-logo {
                font-size: 17px;
            }
            .hero-buttons .btn-primary,
            .hero-buttons .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .service-card {
                padding: 24px 20px;
            }
            .stat-num {
                font-size: 28px;
            }
        }