/* roulang page: index */
:root {
            --primary: #0E7490;
            --primary-dark: #155E75;
            --accent-green: #10B981;
            --accent-orange: #F59E0B;
            --bg-body: #F8FAFC;
            --surface: #FFFFFF;
            --text-main: #0F172A;
            --text-sub: #475569;
            --border-light: #E2E8F0;
            --shadow-card: 0 1px 3px rgba(0,0,0,0.05), 0 10px 15px -3px rgba(0,0,0,0.03);
            --shadow-hover: 0 4px 6px -1px rgba(14, 116, 144, 0.1), 0 20px 25px -5px rgba(14, 116, 144, 0.08);
            --radius-default: 10px;
        }

        html {
            scroll-behavior: smooth;
            font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-body);
            color: var(--text-main);
            overflow-x: hidden;
        }

        body {
            line-height: 1.75;
            margin: 0;
            padding: 0;
        }

        .container-custom {
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        .hero-bg-overlay {
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.88) 0%, rgba(14, 116, 144, 0.82) 100%);
        }

        .card-medical {
            background-color: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-default);
            box-shadow: var(--shadow-card);
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
        }

        .card-medical:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(14, 116, 144, 0.3);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background-color: var(--accent-green);
            color: #ffffff;
            font-weight: 600;
            border-radius: 8px;
            transition: all 0.2s ease-in-out;
            min-height: 44px;
            padding: 0 1.5rem;
        }

        .btn-primary:hover {
            background-color: #059669;
            box-shadow: 0 4px 12px rgba(16, 185, 129, 0.35);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border-light);
            background-color: #ffffff;
            color: var(--primary-dark);
            font-weight: 500;
            border-radius: 8px;
            transition: all 0.2s ease-in-out;
            min-height: 44px;
            padding: 0 1.25rem;
        }

        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background-color: #F0FDFA;
        }

        /* 手风琴平滑高度动画 */
        .faq-content {
            transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
        }

        /* 隐藏原生滚动条但保持滚动 */
        .no-scrollbar::-webkit-scrollbar {
            display: none;
        }
        .no-scrollbar {
            -ms-overflow-style: none;
            scrollbar-width: none;
        }