/* roulang page: index */
:root {
            --primary-gradient: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);
            --accent-gradient: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
            --card-border: rgba(51, 65, 85, 0.7);
            --card-hover-border: rgba(99, 102, 241, 0.6);
        }
        body {
            background-color: #0F172A;
            color: #94A3B8;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            scroll-behavior: smooth;
        }
        .hero-bg {
            background-image: linear-gradient(to bottom, rgba(15, 23, 42, 0.88), #0F172A), url('/assets/images/b908e7de3b5a0568.jpg');
            background-size: cover;
            background-position: center;
        }
        .pattern-bg {
            background-image: linear-gradient(to bottom, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.95)), url('/assets/images/f5d7239fc086c6a1.jpg');
            background-size: cover;
            background-position: center;
        }
        .glow-card {
            background: #1E293B;
            border: 1px solid var(--card-border);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .glow-card:hover {
            border-color: var(--card-hover-border);
            box-shadow: 0 10px 25px -5px rgba(99, 102, 241, 0.2);
            transform: translateY(-2px);
        }
        .badge-capsule {
            display: inline-flex;
            align-items: center;
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            font-size: 0.75rem;
            font-weight: 600;
            backdrop-filter: blur(4px);
        }
        summary::-webkit-details-marker {
            display: none;
        }
        details summary {
            list-style: none;
        }