/* roulang page: index */
:root {
            --brand-primary: #0F172A;
            --brand-accent: #D97706;
            --brand-accent-hover: #B45309;
            --brand-red: #DC2626;
            --brand-sky: #0284C7;
            --brand-bg: #F8FAFC;
            --brand-border: #E2E8F0;
            --font-mono: 'JetBrains Mono', 'Roboto Mono', monospace;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--brand-bg);
            color: #334155;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        .font-mono-num {
            font-family: var(--font-mono);
        }
        .data-grid {
            background-image: radial-gradient(rgba(15, 23, 42, 0.08) 1px, transparent 1px);
            background-size: 24px 24px;
        }
        .terminal-bg {
            background-image: linear-gradient(rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.98)), radial-gradient(rgba(217, 119, 6, 0.15) 1px, transparent 1px);
            background-size: auto, 16px 16px;
        }
        .stat-card {
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 24px -10px rgba(15, 23, 42, 0.12);
            border-color: #CBD5E1;
        }
        .tab-btn.active {
            background-color: #D97706;
            color: #FFFFFF;
        }
        .pulse-badge {
            box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7);
            animation: pulse-green 2s infinite;
        }
        @keyframes pulse-green {
            0% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7); }
            70% { box-shadow: 0 0 0 8px rgba(34, 197, 94, 0); }
            100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
        }
        details > summary::-webkit-details-marker {
            display: none;
        }