/* roulang page: index */
:root {
            --primary: #1a56db;
            --primary-dark: #0f3a8a;
            --primary-light: #3b82f6;
            --secondary: #0ea5e9;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --bg: #f5f7fb;
            --bg-alt: #edf2f9;
            --surface: #ffffff;
            --surface-dark: #1e293b;
            --text: #1a1a2e;
            --text-weak: #64748b;
            --text-inverse: #ffffff;
            --border: #e2e8f0;
            --border-light: #eef2f6;
            --radius-lg: 18px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
            --shadow-hover: 0 10px 32px rgba(26, 86, 219, 0.15);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --container-max: 1280px;
            --header-height: 74px;
            --channel-height: 48px;
        }

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

        html {
            font-size: 16px;
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(26, 86, 219, 0.35);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .container-wide {
            max-width: 1440px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--surface);
            box-shadow: 0 1px 0 var(--border-light), 0 2px 12px rgba(0, 0, 0, 0.04);
            transition: box-shadow var(--transition);
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--header-height);
            padding-top: 8px;
            padding-bottom: 8px;
            gap: 20px;
            flex-wrap: wrap;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(26, 86, 219, 0.3);
        }

        .logo-text {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.01em;
            white-space: nowrap;
            line-height: 1.3;
        }

        .logo-text .logo-sub {
            display: block;
            font-size: 0.72rem;
            font-weight: 400;
            color: var(--text-weak);
            letter-spacing: 0.02em;
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .brand-phone {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text);
            font-weight: 600;
            font-size: 0.92rem;
            white-space: nowrap;
        }

        .brand-phone i {
            color: var(--primary);
            font-size: 1rem;
        }

        .brand-phone:hover {
            color: var(--primary);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.92rem;
            line-height: 1.4;
            border: 2px solid transparent;
            cursor: pointer;
            transition: all var(--transition);
            text-align: center;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 2px 10px rgba(26, 86, 219, 0.3);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            box-shadow: 0 6px 20px rgba(26, 86, 219, 0.4);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(26, 86, 219, 0.25);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }

        .btn-outline:hover {
            background: rgba(26, 86, 219, 0.06);
            border-color: var(--primary-dark);
            color: var(--primary-dark);
        }

        .btn-light {
            background: #fff;
            color: var(--primary-dark);
            border-color: #fff;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }

        .btn-light:hover {
            background: #f8fafc;
            color: var(--primary-dark);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
            transform: translateY(-1px);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 0.85rem;
            border-radius: 6px;
        }

        .btn-lg {
            padding: 14px 30px;
            font-size: 1rem;
            border-radius: var(--radius-md);
        }

        .channel-nav {
            background: var(--surface);
            border-top: 1px solid var(--border-light);
            min-height: var(--channel-height);
            display: flex;
            align-items: center;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
            gap: 4px;
            padding-top: 4px;
            padding-bottom: 4px;
        }

        .channel-nav::-webkit-scrollbar {
            display: none;
        }

        .channel-tabs {
            display: flex;
            align-items: center;
            gap: 2px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-shrink: 0;
        }

        .channel-tabs li {
            margin: 0;
            padding: 0;
        }

        .channel-tabs a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            font-size: 0.86rem;
            font-weight: 500;
            color: var(--text-weak);
            border-radius: 6px;
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
            letter-spacing: 0.01em;
        }

        .channel-tabs a:hover {
            color: var(--primary);
            background: rgba(26, 86, 219, 0.06);
        }

        .channel-tabs a.active {
            color: var(--primary);
            background: rgba(26, 86, 219, 0.1);
            font-weight: 600;
        }

        .channel-tabs a.active::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 50%;
            transform: translateX(-50%);
            width: 22px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }

        .channel-search {
            margin-left: auto;
            flex-shrink: 0;
            min-width: 180px;
        }

        .channel-search .search-input-wrap {
            position: relative;
        }

        .channel-search input[type="search"] {
            width: 100%;
            padding: 8px 14px 8px 36px;
            border: 1.5px solid var(--border);
            border-radius: 6px;
            font-size: 0.82rem;
            background: var(--bg);
            transition: all var(--transition);
            color: var(--text);
        }

        .channel-search input[type="search"]:focus {
            border-color: var(--primary);
            background: #fff;
            outline: none;
            box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
        }

        .channel-search .search-icon {
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-weak);
            font-size: 0.82rem;
            pointer-events: none;
        }

        /* Mobile nav toggle */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            width: 42px;
            height: 42px;
            border-radius: 6px;
            align-items: center;
            justify-content: center;
            color: var(--text);
            transition: background var(--transition);
            flex-shrink: 0;
        }

        .nav-toggle:hover {
            background: rgba(0, 0, 0, 0.05);
        }

        .nav-toggle i {
            font-size: 1.3rem;
        }

        .mobile-nav {
            display: none;
            background: var(--surface);
            border-top: 1px solid var(--border-light);
            padding: 12px 24px 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

        .mobile-nav.open {
            max-height: 420px;
            padding: 12px 24px 20px;
        }

        .mobile-nav a {
            display: block;
            padding: 12px 0;
            font-weight: 500;
            color: var(--text);
            border-bottom: 1px solid var(--border-light);
            font-size: 0.95rem;
        }

        .mobile-nav a:last-child {
            border-bottom: 0;
        }

        .mobile-nav a:hover {
            color: var(--primary);
        }

        /* ===== Hero Section ===== */
        .hero-section {
            position: relative;
            background-image: linear-gradient(135deg, rgba(10, 25, 60, 0.88) 0%, rgba(26, 86, 219, 0.72) 45%, rgba(10, 40, 90, 0.9) 100%), url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center center;
            background-repeat: no-repeat;
            padding: 56px 0 64px;
            color: var(--text-inverse);
            min-height: 480px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-light), var(--secondary), var(--accent));
        }

        .hero-content {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .hero-text {
            max-width: 620px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-radius: 100px;
            font-size: 0.8rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            color: #fff;
            margin-bottom: 20px;
            border: 1px solid rgba(255, 255, 255, 0.22);
        }

        .hero-badge i {
            color: var(--accent);
            font-size: 0.72rem;
        }

        .hero-title {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.35;
            letter-spacing: -0.01em;
            margin-bottom: 16px;
            color: #fff;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
        }

        .hero-pain-point {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--accent);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .hero-desc {
            font-size: 0.96rem;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: 28px;
            max-width: 560px;
        }

        .hero-cta-row {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

        .hero-stats {
            display: flex;
            gap: 36px;
            flex-wrap: wrap;
            padding-top: 22px;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
        }

        .hero-stat .stat-number {
            font-size: 1.7rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .hero-stat .stat-label {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 0.03em;
        }

        .hero-form-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            color: var(--text);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.28);
            max-width: 400px;
            margin-left: auto;
            width: 100%;
        }

        .hero-form-card .form-title {
            font-size: 1.18rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }

        .hero-form-card .form-subtitle {
            font-size: 0.82rem;
            color: var(--text-weak);
            margin-bottom: 20px;
        }

        .form-group {
            margin-bottom: 14px;
        }

        .form-group label {
            display: block;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 5px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 10px 14px;
            border: 1.5px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            transition: all var(--transition);
            background: var(--bg);
            color: var(--text);
            appearance: none;
            -webkit-appearance: none;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--primary);
            background: #fff;
            outline: none;
            box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
        }

        .form-group select {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 36px;
        }

        .form-submit {
            width: 100%;
            padding: 12px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.92rem;
            border: none;
            background: var(--primary);
            color: #fff;
            cursor: pointer;
            transition: all var(--transition);
            letter-spacing: 0.02em;
        }

        .form-submit:hover {
            background: var(--primary-dark);
            box-shadow: 0 4px 14px rgba(26, 86, 219, 0.35);
            transform: translateY(-1px);
        }

        .form-privacy {
            font-size: 0.72rem;
            color: var(--text-weak);
            text-align: center;
            margin-top: 10px;
        }

        /* ===== Section common ===== */
        .section {
            padding: 64px 0;
        }

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

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

        .section-heading {
            margin-bottom: 40px;
        }

        .section-heading .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 10px;
        }

        .section-heading .section-tag i {
            font-size: 0.7rem;
        }

        .section-heading h2 {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.01em;
            margin-bottom: 10px;
            line-height: 1.35;
        }

        .section-heading .section-desc {
            font-size: 0.92rem;
            color: var(--text-weak);
            max-width: 680px;
            line-height: 1.8;
        }

        /* ===== Feature cards ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }

        .feature-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            opacity: 0;
            transition: opacity var(--transition);
        }

        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(26, 86, 219, 0.25);
        }

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

        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: rgba(26, 86, 219, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--primary);
            margin-bottom: 16px;
        }

        .feature-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }

        .feature-card p {
            font-size: 0.86rem;
            color: var(--text-weak);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== Content cards (news) ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }

        .news-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .news-card .news-img {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            position: relative;
        }

        .news-card .news-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        .news-card .news-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            border-radius: 100px;
            background: rgba(26, 86, 219, 0.92);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.04em;
        }

        .news-card .news-body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-card .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.76rem;
            color: var(--text-weak);
            margin-bottom: 8px;
        }

        .news-card .news-meta i {
            font-size: 0.7rem;
        }

        .news-card h3 {
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.45;
        }

        .news-card h3 a {
            color: var(--text);
            transition: color var(--transition);
        }

        .news-card h3 a:hover {
            color: var(--primary);
        }

        .news-card .news-excerpt {
            font-size: 0.84rem;
            color: var(--text-weak);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 12px;
        }

        .news-card .news-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            align-self: flex-start;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .news-card .news-link i {
            transition: transform var(--transition);
        }

        .news-card .news-link:hover i {
            transform: translateX(4px);
        }

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

        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .faq-item:hover {
            border-color: rgba(26, 86, 219, 0.25);
            box-shadow: var(--shadow-md);
        }

        .faq-item summary {
            padding: 18px 22px;
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text);
            gap: 16px;
            transition: color var(--transition);
            user-select: none;
            -webkit-tap-highlight-color: transparent;
        }

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

        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.72rem;
            color: var(--text-weak);
            flex-shrink: 0;
            transition: transform var(--transition);
        }

        .faq-item[open] summary {
            color: var(--primary);
        }

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

        .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.88rem;
            color: var(--text-weak);
            line-height: 1.75;
        }

        /* ===== Info list section ===== */
        .info-layout {
            display: grid;
            grid-template-columns: 1.3fr 0.7fr;
            gap: 36px;
        }

        .info-list-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            padding: 8px 20px;
            box-shadow: var(--shadow-sm);
        }

        .info-list-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .info-list-item:last-child {
            border-bottom: 0;
        }

        .info-list-item .info-index {
            width: 30px;
            height: 30px;
            background: rgba(26, 86, 219, 0.07);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--primary);
            flex-shrink: 0;
            margin-top: 2px;
        }

        .info-list-item .info-content h4 {
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
            line-height: 1.45;
        }

        .info-list-item .info-content h4 a {
            color: var(--text);
            transition: color var(--transition);
        }

        .info-list-item .info-content h4 a:hover {
            color: var(--primary);
        }

        .info-list-item .info-content p {
            font-size: 0.8rem;
            color: var(--text-weak);
            margin-bottom: 0;
            line-height: 1.6;
        }

        .recommend-panel {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .recommend-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

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

        .recommend-card .rec-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

        .recommend-card .rec-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .recommend-card:hover .rec-img img {
            transform: scale(1.05);
        }

        .recommend-card .rec-body {
            padding: 16px 18px;
        }

        .recommend-card .rec-body h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 5px;
            line-height: 1.4;
        }

        .recommend-card .rec-body h4 a {
            color: var(--text);
        }

        .recommend-card .rec-body h4 a:hover {
            color: var(--primary);
        }

        .recommend-card .rec-body p {
            font-size: 0.78rem;
            color: var(--text-weak);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ===== Safety section ===== */
        .safety-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .safety-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            text-align: center;
            transition: all var(--transition);
        }

        .safety-card:hover {
            border-color: rgba(26, 86, 219, 0.25);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .safety-card .safety-icon {
            width: 52px;
            height: 52px;
            margin: 0 auto 14px;
            background: rgba(26, 86, 219, 0.08);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--primary);
        }

        .safety-card h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }

        .safety-card p {
            font-size: 0.8rem;
            color: var(--text-weak);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ===== Audience section ===== */
        .audience-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .audience-card {
            border-radius: var(--radius-lg);
            padding: 30px 28px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .audience-card.audience-for {
            background: rgba(26, 86, 219, 0.05);
            border-color: rgba(26, 86, 219, 0.2);
        }

        .audience-card.audience-not {
            background: rgba(245, 158, 11, 0.05);
            border-color: rgba(245, 158, 11, 0.2);
        }

        .audience-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .audience-card h4 i {
            font-size: 1rem;
        }

        .audience-for h4 i {
            color: var(--primary);
        }

        .audience-not h4 i {
            color: var(--accent-dark);
        }

        .audience-card ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .audience-card ul li {
            padding: 8px 0;
            font-size: 0.87rem;
            color: var(--text-weak);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            line-height: 1.6;
        }

        .audience-card ul li i {
            font-size: 0.7rem;
            margin-top: 5px;
            flex-shrink: 0;
        }

        .audience-for ul li i {
            color: var(--primary);
        }

        .audience-not ul li i {
            color: var(--accent-dark);
        }

        /* ===== Reviews ===== */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }

        .review-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 26px 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            position: relative;
        }

        .review-card:hover {
            box-shadow: var(--shadow-md);
        }

        .review-card .review-quote {
            font-size: 0.9rem;
            color: var(--text);
            line-height: 1.75;
            margin-bottom: 16px;
            position: relative;
            padding-left: 18px;
            border-left: 3px solid rgba(26, 86, 219, 0.25);
        }

        .review-card .review-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .review-card .review-avatar {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 0.85rem;
        }

        .review-card .review-name {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text);
        }

        .review-card .review-stars {
            font-size: 0.72rem;
            color: var(--accent);
            letter-spacing: 2px;
        }

        .review-card .review-stars i {
            margin-right: 2px;
        }

        /* ===== Membership ===== */
        .membership-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }

        .membership-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 30px 26px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .membership-card.featured {
            border: 2px solid var(--primary);
            box-shadow: var(--shadow-md);
        }

        .membership-card.featured::after {
            content: '热门';
            position: absolute;
            top: 16px;
            right: -30px;
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 4px 36px;
            letter-spacing: 0.05em;
        }

        .membership-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
        }

        .membership-card .membership-price {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 14px;
        }

        .membership-card .membership-price small {
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--text-weak);
        }

        .membership-card ul {
            list-style: none;
            margin: 0 0 18px;
            padding: 0;
        }

        .membership-card ul li {
            padding: 6px 0;
            font-size: 0.84rem;
            color: var(--text-weak);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .membership-card ul li i {
            color: var(--primary);
            font-size: 0.72rem;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--secondary) 100%);
            color: #fff;
            text-align: center;
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            left: -20%;
            width: 60%;
            height: 220%;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
            transform: rotate(25deg);
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -50%;
            right: -10%;
            width: 50%;
            height: 180%;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 50%;
            transform: rotate(-15deg);
        }

        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 10px;
            color: #fff;
        }

        .cta-content p {
            font-size: 0.95rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 26px;
        }

        .cta-btns {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== App section ===== */
        .app-panel {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-md);
            flex-wrap: wrap;
        }

        .app-info {
            max-width: 560px;
        }

        .app-info h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }

        .app-info p {
            font-size: 0.88rem;
            color: var(--text-weak);
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .app-badges {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .app-badge-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            background: var(--text);
            color: #fff;
            font-size: 0.82rem;
            font-weight: 600;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
        }

        .app-badge-btn i {
            font-size: 1.4rem;
        }

        .app-badge-btn:hover {
            background: #000;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
        }

        .app-qr {
            flex-shrink: 0;
            width: 120px;
            height: 120px;
            background: var(--bg);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
            color: var(--primary);
            border: 2px dashed var(--border);
            position: relative;
        }

        .app-qr::after {
            content: '扫码预约';
            position: absolute;
            bottom: 10px;
            left: 50%;
            transform: translateX(-50%);
            font-size: 0.68rem;
            color: var(--text-weak);
            font-weight: 600;
            letter-spacing: 0.06em;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--surface-dark);
            color: rgba(255, 255, 255, 0.75);
            margin-top: auto;
            padding: 48px 0 28px;
            font-size: 0.86rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand .footer-logo {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .footer-brand p {
            font-size: 0.82rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 0;
        }

        .footer-col h4 {
            font-size: 0.92rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

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

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.82rem;
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.76rem;
            color: rgba(255, 255, 255, 0.45);
        }

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

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

        /* ===== Accessibility bar ===== */
        .a11y-bar {
            background: var(--bg-alt);
            border-radius: var(--radius-sm);
            padding: 14px 18px;
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-weak);
            flex-wrap: wrap;
        }

        .a11y-bar i {
            color: var(--primary);
            font-size: 1rem;
            flex-shrink: 0;
        }

        .a11y-bar .a11y-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-left: auto;
        }

        .a11y-bar .a11y-tag {
            padding: 3px 10px;
            border-radius: 100px;
            background: var(--surface);
            border: 1px solid var(--border);
            font-size: 0.7rem;
            color: var(--text-weak);
            white-space: nowrap;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }

            .container-wide {
                padding-left: 20px;
                padding-right: 20px;
            }

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

            .hero-form-card {
                margin-left: 0;
                max-width: 100%;
            }

            .info-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }

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

            .channel-search {
                min-width: 140px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 62px;
            }

            .brand-row {
                min-height: var(--header-height);
                padding-top: 6px;
                padding-bottom: 6px;
                gap: 10px;
            }

            .logo-text {
                font-size: 0.92rem;
            }

            .logo-text .logo-sub {
                font-size: 0.65rem;
            }

            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 16px;
            }

            .brand-phone {
                display: none;
            }

            .brand-actions .btn {
                padding: 8px 14px;
                font-size: 0.82rem;
            }

            .nav-toggle {
                display: flex;
            }

            .channel-nav {
                display: none;
            }

            .mobile-nav {
                display: block;
            }

            .mobile-nav.open {
                display: block;
            }

            .hero-section {
                padding: 36px 0 44px;
                min-height: auto;
            }

            .hero-title {
                font-size: 1.65rem;
            }

            .hero-pain-point {
                font-size: 0.95rem;
            }

            .hero-desc {
                font-size: 0.87rem;
            }

            .hero-stats {
                gap: 20px;
            }

            .hero-stat .stat-number {
                font-size: 1.3rem;
            }

            .hero-form-card {
                padding: 24px 20px;
            }

            .section {
                padding: 40px 0;
            }

            .section-heading h2 {
                font-size: 1.4rem;
            }

            .section-heading .section-desc {
                font-size: 0.85rem;
            }

            .feature-grid,
            .news-grid,
            .safety-grid,
            .review-grid,
            .membership-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .feature-card {
                padding: 22px 20px;
            }

            .cta-content h2 {
                font-size: 1.4rem;
            }

            .app-panel {
                flex-direction: column;
                align-items: flex-start;
                padding: 24px 20px;
                gap: 20px;
            }

            .app-qr {
                width: 90px;
                height: 90px;
                font-size: 2.2rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .a11y-bar {
                flex-direction: column;
                align-items: flex-start;
            }

            .a11y-bar .a11y-tags {
                margin-left: 0;
            }
        }

        @media (max-width: 520px) {
            .container,
            .container-wide {
                padding-left: 14px;
                padding-right: 14px;
            }

            .hero-title {
                font-size: 1.4rem;
                line-height: 1.4;
            }

            .hero-pain-point {
                font-size: 0.88rem;
            }

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

            .hero-cta-row .btn {
                text-align: center;
            }

            .section-heading h2 {
                font-size: 1.25rem;
            }

            .news-card .news-body {
                padding: 16px 16px;
            }

            .faq-item summary {
                padding: 14px 16px;
                font-size: 0.88rem;
            }

            .faq-answer {
                padding: 0 16px 14px;
                font-size: 0.82rem;
            }

            .membership-card {
                padding: 22px 20px;
            }

            .cta-btns {
                flex-direction: column;
                align-items: stretch;
            }

            .cta-btns .btn {
                text-align: center;
            }
        }