/* roulang page: index */
:root {
            --color-primary: #0D5C75;
            --color-primary-hover: #094558;
            --color-accent: #10B981;
            --color-dark: #0B192C;
            --color-bg: #F8FAFC;
            --color-text-main: #0F172A;
            --color-text-body: #334155;
            --color-text-muted: #64748B;
            --card-shadow: 0 4px 20px -2px rgba(13, 92, 117, 0.06), 0 2px 6px -1px rgba(0, 0, 0, 0.04);
            --card-shadow-hover: 0 12px 28px -4px rgba(13, 92, 117, 0.12), 0 4px 12px -2px rgba(0, 0, 0, 0.06);
        }

        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            letter-spacing: 0.01em;
            line-height: 1.8;
            color: var(--color-text-body);
            background-color: var(--color-bg);
            overflow-x: hidden;
        }

        h1, h2, h3, h4, h5, h6 {
            line-height: 1.35;
            letter-spacing: -0.015em;
            color: var(--color-text-main);
        }

        .hero-diagonal {
            clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
        }

        .badge-tag {
            display: inline-flex;
            align-items: center;
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            font-size: 0.8125rem;
            font-weight: 600;
            background-color: rgba(16, 185, 129, 0.12);
            color: #065F46;
            border: 1px solid rgba(16, 185, 129, 0.25);
        }

        .med-card {
            background: #FFFFFF;
            border: 1px solid #E2E8F0;
            border-radius: 1rem;
            box-shadow: var(--card-shadow);
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
        }
        .med-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--card-shadow-hover);
            border-color: #CBD5E1;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.85rem 1.85rem;
            font-weight: 600;
            border-radius: 0.75rem;
            color: #FFFFFF;
            background-color: var(--color-primary);
            box-shadow: 0 4px 14px rgba(13, 92, 117, 0.25);
            transition: all 0.2s ease;
        }
        .btn-primary:hover {
            background-color: var(--color-primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(13, 92, 117, 0.35);
        }
        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.85rem 1.85rem;
            font-weight: 600;
            border-radius: 0.75rem;
            color: #FFFFFF;
            background-color: var(--color-accent);
            box-shadow: 0 4px 14px rgba(16, 185, 129, 0.25);
            transition: all 0.2s ease;
        }
        .btn-accent:hover {
            background-color: var(--color-accentHover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(16, 185, 129, 0.35);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.85rem 1.85rem;
            font-weight: 600;
            border-radius: 0.75rem;
            color: var(--color-primary);
            border: 1.5px solid var(--color-primary);
            background: transparent;
            transition: all 0.2s ease;
        }
        .btn-outline:hover {
            background: rgba(13, 92, 117, 0.05);
            transform: translateY(-2px);
        }

        .accordion-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease-out, opacity 0.3s ease;
            opacity: 0;
        }
        .accordion-content.active {
            opacity: 1;
        }

        /* 隐藏原生滚动条微调 */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #F1F5F9;
        }
        ::-webkit-scrollbar-thumb {
            background: #CBD5E1;
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #94A3B8;
        }