/* roulang page: index */
:root {
            --primary-gradient: linear-gradient(135deg, #2B1B17 0%, #1F3A2E 100%);
            --accent-gradient: linear-gradient(135deg, #D97706 0%, #F59E0B 100%);
            --card-shadow: 0 10px 30px -5px rgba(43, 27, 23, 0.08);
            --card-shadow-hover: 0 20px 40px -10px rgba(43, 27, 23, 0.16);
        }

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: #FDFBF7;
            color: #1E1B18;
        }

        .gradient-brand {
            background: var(--primary-gradient);
        }

        .gradient-accent {
            background: var(--accent-gradient);
        }

        .card-custom {
            box-shadow: var(--card-shadow);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .card-custom:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-4px);
        }

        .pill-badge {
            display: inline-flex;
            align-items: center;
            border-radius: 9999px;
            padding: 0.35rem 0.95rem;
            font-size: 0.85rem;
            font-weight: 600;
            border: 1px solid rgba(217, 119, 6, 0.25);
            background: rgba(217, 119, 6, 0.08);
            color: #B45309;
        }

        .pill-badge-dark {
            border: 1px solid rgba(245, 158, 11, 0.3);
            background: rgba(245, 158, 11, 0.12);
            color: #FBBF24;
        }

        /* 环形进度圈 */
        .circle-progress {
            background: conic-gradient(#D97706 88%, #3A2A25 0);
        }

        /* 手风琴原生细节修饰 */
        details > summary {
            list-style: none;
        }
        details > summary::-webkit-details-marker {
            display: none;
        }