/* roulang page: index */
:root {
            --primary: #1a56db;
            --primary-light: #3b82f6;
            --primary-dark: #1e40af;
            --primary-50: #eff6ff;
            --secondary: #0ea5e9;
            --accent: #06b6d4;
            --bg: #f8fafc;
            --surface: #ffffff;
            --surface-alt: #f1f5f9;
            --text: #0f172a;
            --text-secondary: #334155;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --radius-pill: 999px;
            --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow: 0 4px 20px rgba(0,0,0,0.08);
            --shadow-md: 0 8px 32px rgba(0,0,0,0.10);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);
            --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
            --transition-fast: all 0.15s ease;
            --font: 'Inter','PingFang SC','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
        }

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

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

        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.65;
            font-size: 16px;
            overflow-x: hidden;
        }

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

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

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

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

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

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* 悬浮胶囊导航 */
        .site-header {
            position: sticky;
            top: 16px;
            z-index: 1050;
            padding: 0 16px;
            pointer-events: none;
        }

        .site-header .container {
            pointer-events: auto;
            max-width: 1140px;
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: var(--radius-pill);
            border: 1px solid rgba(255,255,255,0.85);
            box-shadow: var(--shadow-md);
            padding: 10px 24px;
            transition: var(--transition);
        }

        .navbar-brand {
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--text);
            letter-spacing: -0.01em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .navbar-brand .brand-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg,var(--primary),var(--secondary));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
        }

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

        .navbar-nav {
            gap: 4px;
        }

        .navbar-nav .nav-link {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            transition: var(--transition);
            white-space: nowrap;
        }

        .navbar-nav .nav-link:hover {
            color: var(--primary);
            background: var(--primary-50);
        }

        .navbar-nav .nav-link.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 12px rgba(26,86,219,0.3);
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-pill);
            padding: 8px 20px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            border: none;
            transition: var(--transition);
            cursor: pointer;
        }

        .header-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: 0 6px 20px rgba(26,86,219,0.35);
            transform: translateY(-1px);
        }

        .navbar-toggler {
            border: none;
            padding: 4px;
            border-radius: 8px;
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 3px solid rgba(26,86,219,0.3);
        }

        @media (max-width: 991.98px) {
            .site-header {
                top: 10px;
                padding: 0 10px;
            }
            .site-header .container {
                padding: 8px 16px;
                border-radius: var(--radius-md);
            }
            .navbar-collapse {
                margin-top: 8px;
                padding-top: 8px;
                border-top: 1px solid var(--border-light);
            }
            .navbar-nav {
                gap: 2px;
            }
            .navbar-nav .nav-link {
                padding: 8px 14px;
            }
            .header-cta {
                font-size: 0.85rem;
                padding: 6px 16px;
            }
        }

        @media (max-width: 575.98px) {
            .navbar-brand {
                font-size: 1.1rem;
            }
            .navbar-brand .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
            }
            .header-cta {
                font-size: 0.8rem;
                padding: 5px 12px;
            }
        }

        /* Hero 左文右图 5:7 斜向错位 */
        .hero-section {
            padding: 60px 0 80px;
            background: linear-gradient(180deg, #f0f6ff 0%, #f8fafc 100%);
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -200px;
            right: -200px;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(26,86,219,0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -150px;
            left: -150px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(14,165,233,0.05) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding-top: 18px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-50);
            color: var(--primary);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 18px;
            border: 1px solid rgba(26,86,219,0.15);
        }

        .hero-badge i {
            font-size: 0.8rem;
        }

        .hero-title {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.22;
            color: var(--text);
            margin-bottom: 18px;
            letter-spacing: -0.02em;
        }

        .hero-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 560px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 32px;
        }

        .btn-primary-hero {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-pill);
            padding: 12px 28px;
            font-weight: 600;
            font-size: 0.95rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
            cursor: pointer;
            box-shadow: 0 6px 20px rgba(26,86,219,0.3);
        }

        .btn-primary-hero:hover {
            background: var(--primary-dark);
            box-shadow: 0 10px 32px rgba(26,86,219,0.4);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline-hero {
            background: transparent;
            color: var(--text);
            border: 2px solid var(--border);
            border-radius: var(--radius-pill);
            padding: 11px 26px;
            font-weight: 600;
            font-size: 0.95rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-outline-hero:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-50);
        }

        .hero-kpis {
            display: flex;
            flex-wrap: wrap;
            gap: 20px 32px;
        }

        .hero-kpi-item {
            display: flex;
            flex-direction: column;
        }

        .hero-kpi-number {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }

        .hero-kpi-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

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

        .hero-visual-inner {
            position: relative;
            transform: rotate(-1.5deg) translateY(-12px);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 6px solid #fff;
            transition: var(--transition);
        }

        .hero-visual-inner:hover {
            transform: rotate(0deg) translateY(0);
            box-shadow: 0 24px 64px rgba(0,0,0,0.16);
        }

        .hero-visual-inner img {
            width: 100%;
            height: 480px;
            object-fit: cover;
            border-radius: calc(var(--radius-lg) - 6px);
        }

        .hero-visual-tag {
            position: absolute;
            bottom: 20px;
            left: 20px;
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(10px);
            padding: 10px 18px;
            border-radius: var(--radius);
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-visual-tag i {
            color: var(--primary);
        }

        @media (max-width: 991.98px) {
            .hero-section {
                padding: 40px 0 60px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-desc {
                font-size: 0.98rem;
            }
            .hero-visual-inner img {
                height: 380px;
            }
            .hero-visual-inner {
                transform: rotate(-1deg) translateY(-6px);
            }
        }

        @media (max-width: 767.98px) {
            .hero-section {
                padding: 28px 0 48px;
            }
            .hero-title {
                font-size: 1.65rem;
            }
            .hero-desc {
                font-size: 0.92rem;
                margin-bottom: 20px;
            }
            .hero-actions {
                gap: 8px;
                margin-bottom: 20px;
            }
            .btn-primary-hero,
            .btn-outline-hero {
                padding: 10px 20px;
                font-size: 0.88rem;
            }
            .hero-kpis {
                gap: 14px 20px;
            }
            .hero-kpi-number {
                font-size: 1.3rem;
            }
            .hero-visual {
                margin-top: 28px;
            }
            .hero-visual-inner img {
                height: 260px;
            }
            .hero-visual-inner {
                transform: none;
            }
            .hero-visual-tag {
                padding: 8px 14px;
                font-size: 0.78rem;
                bottom: 14px;
                left: 14px;
            }
        }

        @media (max-width: 575.98px) {
            .hero-title {
                font-size: 1.45rem;
            }
            .hero-desc {
                font-size: 0.88rem;
            }
            .hero-kpi-number {
                font-size: 1.2rem;
            }
            .hero-visual-inner img {
                height: 220px;
            }
        }

        /* 通用板块样式 */
        .section-block {
            padding: 64px 0;
        }

        .section-header {
            margin-bottom: 36px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 10px;
        }

        .section-title {
            font-size: 1.85rem;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.01em;
            margin-bottom: 10px;
            line-height: 1.3;
        }

        .section-desc {
            font-size: 0.98rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.75;
        }

        @media (max-width: 767.98px) {
            .section-block {
                padding: 44px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-desc {
                font-size: 0.9rem;
            }
        }

        /* 指标看板 */
        .stats-board {
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 32px 28px;
            border: 1px solid var(--border-light);
        }

        .stat-item {
            text-align: center;
            padding: 12px 8px;
            border-right: 1px solid var(--border-light);
        }

        .stat-item:last-child {
            border-right: none;
        }

        .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }

        .stat-label {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        @media (max-width: 767.98px) {
            .stats-board {
                padding: 20px 16px;
                border-radius: var(--radius-md);
            }
            .stat-item {
                border-right: none;
                border-bottom: 1px solid var(--border-light);
                padding: 10px 4px;
            }
            .stat-item:last-child {
                border-bottom: none;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .stat-label {
                font-size: 0.8rem;
            }
        }

        /* 服务矩阵卡片 */
        .service-card {
            background: var(--surface);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 26px 22px;
            height: 100%;
            border: 1px solid var(--border-light);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(26,86,219,0.2);
        }

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

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

        .service-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius);
            background: var(--primary-50);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.3rem;
            margin-bottom: 14px;
        }

        .service-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }

        .service-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .service-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .service-link:hover {
            color: var(--primary-dark);
        }

        /* 体验专区 - 步骤流程 */
        .steps-band {
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 40px 32px;
            border: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            background-color: rgba(255,255,255,0.92);
        }

        .steps-band::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(248,250,252,0.88) 100%);
            z-index: 1;
        }

        .steps-band > * {
            position: relative;
            z-index: 2;
        }

        .step-item {
            text-align: center;
            padding: 14px 8px;
        }

        .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            box-shadow: 0 4px 12px rgba(26,86,219,0.3);
        }

        .step-item h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }

        .step-item p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

        @media (max-width: 767.98px) {
            .steps-band {
                padding: 28px 16px;
                border-radius: var(--radius-md);
            }
            .step-number {
                width: 36px;
                height: 36px;
                font-size: 0.95rem;
            }
            .step-item h4 {
                font-size: 0.9rem;
            }
            .step-item p {
                font-size: 0.78rem;
            }
        }

        /* 结果对比 */
        .compare-card {
            border-radius: var(--radius);
            padding: 26px 22px;
            height: 100%;
            position: relative;
            transition: var(--transition);
        }

        .compare-card.before {
            background: #f8fafc;
            border: 2px solid var(--border);
        }

        .compare-card.after {
            background: var(--primary-50);
            border: 2px solid rgba(26,86,219,0.3);
            box-shadow: var(--shadow-sm);
        }

        .compare-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            margin-bottom: 14px;
        }

        .compare-card.before .compare-label {
            background: var(--surface-alt);
            color: var(--text-muted);
        }

        .compare-card.after .compare-label {
            background: var(--primary);
            color: #fff;
        }

        .compare-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .compare-list li {
            font-size: 0.9rem;
            color: var(--text-secondary);
            padding: 8px 0;
            border-bottom: 1px dashed var(--border);
            display: flex;
            align-items: center;
            gap: 8px;
            line-height: 1.5;
        }

        .compare-list li:last-child {
            border-bottom: none;
        }

        .compare-list li i {
            font-size: 0.8rem;
            flex-shrink: 0;
        }

        .compare-card.before .compare-list li i {
            color: var(--text-light);
        }

        .compare-card.after .compare-list li i {
            color: var(--primary);
        }

        .compare-arrow {
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: var(--primary);
            height: 100%;
        }

        @media (max-width: 767.98px) {
            .compare-arrow {
                font-size: 1.4rem;
                transform: rotate(90deg);
                padding: 10px 0;
            }
            .compare-card {
                padding: 20px 16px;
            }
            .compare-list li {
                font-size: 0.82rem;
            }
        }

        /* 用户口碑 */
        .testimonial-card {
            background: var(--surface);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 24px 20px;
            height: 100%;
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }

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

        .testimonial-stars {
            color: #f59e0b;
            font-size: 0.9rem;
            margin-bottom: 10px;
        }

        .testimonial-text {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .testimonial-user {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-avatar {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg,var(--primary),var(--secondary));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
        }

        .testimonial-name {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text);
        }

        .testimonial-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* 资讯列表 */
        .news-section {
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 36px 32px;
            border: 1px solid var(--border-light);
        }

        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 14px 0;
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
            cursor: pointer;
        }

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

        .news-item:hover {
            padding-left: 6px;
        }

        .news-index {
            font-size: 0.85rem;
            font-weight: 800;
            color: var(--primary);
            background: var(--primary-50);
            width: 34px;
            height: 34px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

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

        .news-item-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

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

        .news-item-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .news-item-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .news-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: var(--radius-pill);
            background: var(--primary-50);
            color: var(--primary);
            white-space: nowrap;
        }

        .news-sidebar {
            background: var(--surface-alt);
            border-radius: var(--radius);
            padding: 20px 18px;
            height: 100%;
        }

        .news-sidebar h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 14px;
        }

        .news-sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .news-sidebar-tags .news-tag {
            cursor: pointer;
            transition: var(--transition);
        }
        .news-sidebar-tags .news-tag:hover {
            background: var(--primary);
            color: #fff;
        }

        .news-sidebar-img {
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 14px;
        }
        .news-sidebar-img img {
            width: 100%;
            height: 140px;
            object-fit: cover;
            border-radius: var(--radius-sm);
        }

        @media (max-width: 767.98px) {
            .news-section {
                padding: 24px 16px;
                border-radius: var(--radius-md);
            }
            .news-item {
                gap: 10px;
                padding: 10px 0;
            }
            .news-index {
                width: 28px;
                height: 28px;
                font-size: 0.75rem;
            }
            .news-item-title {
                font-size: 0.85rem;
            }
            .news-item-meta {
                font-size: 0.72rem;
                gap: 8px;
            }
        }

        /* FAQ */
        .accordion-custom .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius) !important;
            margin-bottom: 12px;
            box-shadow: var(--shadow-xs);
            overflow: hidden;
            background: var(--surface);
        }

        .accordion-custom .accordion-button {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text);
            padding: 16px 20px;
            background: var(--surface);
            border: none;
            transition: var(--transition);
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: var(--primary-50);
            box-shadow: none;
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            outline: 3px solid rgba(26,86,219,0.25);
            outline-offset: -2px;
        }

        .accordion-custom .accordion-body {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.75;
            padding: 14px 20px 18px;
        }

        /* 转化表单 */
        .cta-section {
            background: linear-gradient(135deg, #0f172a 0%, #1a365d 60%, #1e40af 100%);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            position: relative;
            overflow: hidden;
            color: #fff;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(59,130,246,0.3) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -120px;
            left: -80px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(6,182,212,0.2) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section > * {
            position: relative;
            z-index: 2;
        }

        .cta-title {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            line-height: 1.3;
        }

        .cta-desc {
            font-size: 0.95rem;
            color: rgba(255,255,255,0.78);
            line-height: 1.7;
            margin-bottom: 24px;
            max-width: 500px;
        }

        .cta-form {
            background: rgba(255,255,255,0.08);
            backdrop-filter: blur(12px);
            border-radius: var(--radius-md);
            padding: 24px 22px;
            border: 1px solid rgba(255,255,255,0.15);
        }

        .cta-form .form-control {
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.2);
            color: #fff;
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .cta-form .form-control::placeholder {
            color: rgba(255,255,255,0.5);
        }

        .cta-form .form-control:focus {
            background: rgba(255,255,255,0.18);
            border-color: var(--secondary);
            color: #fff;
            outline: none;
            box-shadow: 0 0 0 3px rgba(59,130,246,0.3);
        }

        .cta-form .form-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: rgba(255,255,255,0.85);
            margin-bottom: 6px;
        }

        .btn-submit-light {
            background: #fff;
            color: var(--primary);
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 20px;
            font-weight: 700;
            font-size: 0.92rem;
            transition: var(--transition);
            cursor: pointer;
            width: 100%;
        }

        .btn-submit-light:hover {
            background: var(--primary-50);
            color: var(--primary-dark);
            box-shadow: 0 6px 20px rgba(255,255,255,0.2);
        }

        .cta-benefits {
            list-style: none;
            padding: 0;
            margin: 20px 0 0;
        }

        .cta-benefits li {
            font-size: 0.88rem;
            color: rgba(255,255,255,0.75);
            padding: 5px 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .cta-benefits li i {
            color: #34d399;
            font-size: 0.85rem;
        }

        @media (max-width: 767.98px) {
            .cta-section {
                padding: 32px 18px;
                border-radius: var(--radius-md);
            }
            .cta-title {
                font-size: 1.3rem;
            }
            .cta-desc {
                font-size: 0.85rem;
            }
            .cta-form {
                padding: 18px 14px;
            }
            .cta-benefits li {
                font-size: 0.8rem;
            }
        }

        /* Footer */
        .site-footer {
            background: #0f172a;
            color: rgba(255,255,255,0.7);
            padding: 44px 0 28px;
            margin-top: 0;
        }

        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand .brand-icon {
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg,var(--primary),var(--secondary));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.9rem;
        }

        .footer-desc {
            font-size: 0.88rem;
            color: rgba(255,255,255,0.55);
            line-height: 1.7;
            max-width: 400px;
        }

        .footer-links-title {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }

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

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

        .footer-links a {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.55);
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-divider {
            border-top: 1px solid rgba(255,255,255,0.1);
            margin: 28px 0 18px;
            padding-top: 18px;
        }

        .footer-copyright {
            font-size: 0.82rem;
            color: rgba(255,255,255,0.45);
            text-align: center;
        }

        .footer-copyright a {
            color: rgba(255,255,255,0.6);
        }
        .footer-copyright a:hover {
            color: #fff;
        }

        @media (max-width: 575.98px) {
            .site-footer {
                padding: 32px 0 18px;
            }
            .footer-brand {
                font-size: 1.05rem;
            }
            .footer-desc {
                font-size: 0.8rem;
            }
            .footer-links-title {
                font-size: 0.82rem;
            }
            .footer-links a {
                font-size: 0.78rem;
            }
            .footer-copyright {
                font-size: 0.75rem;
            }
        }

        /* 健康提示条 */
        .health-tip-bar {
            background: linear-gradient(90deg, #eff6ff 0%, #f0f9ff 50%, #eff6ff 100%);
            border: 1px solid #dbeafe;
            border-radius: var(--radius);
            padding: 14px 20px;
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .health-tip-bar i {
            color: var(--primary);
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        @media (max-width: 575.98px) {
            .health-tip-bar {
                font-size: 0.8rem;
                padding: 10px 14px;
                flex-wrap: wrap;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}