/* roulang page: index */
:root {
            --primary: #1034A6;
            --primary-dark: #0B226B;
            --secondary: #475569;
            --accent: #059669;
            --dark-surface: #0B1120;
            --light-surface: #F8FAFC;
            --border-color: #E2E8F0;
            --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
            --card-hover-shadow: 0 12px 24px -4px rgba(16, 52, 166, 0.08), 0 4px 8px -2px rgba(0, 0, 0, 0.04);
        }

        html {
            scroll-behavior: smooth;
            font-family: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }

        body {
            color: #1E293B;
            background-color: #FFFFFF;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        .hero-mesh {
            background-image: 
                radial-gradient(circle at 15% 20%, rgba(16, 52, 166, 0.08) 0%, transparent 40%),
                radial-gradient(circle at 85% 60%, rgba(5, 150, 105, 0.06) 0%, transparent 40%);
        }

        .service-card {
            transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            border: 1px solid var(--border-color);
        }
        .service-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--card-hover-shadow);
            border-color: rgba(16, 52, 166, 0.3);
        }

        .badge-tag {
            display: inline-flex;
            align-items: center;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.25rem 0.65rem;
            border-radius: 9999px;
            letter-spacing: 0.025em;
        }

        /* FAQ手风琴样式 */
        details summary::-webkit-details-marker {
            display: none;
        }
        details summary {
            list-style: none;
        }
        details[open] summary svg {
            transform: rotate(180deg);
        }

        .clip-glow {
            box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.1);
        }