/* roulang page: index */
:root {
            --bg-main: #0A0D14;
            --bg-card: #111622;
            --primary-green: #10B981;
            --accent-gold: #F59E0B;
            --accent-cyan: #06B6D4;
            --text-main: #F9FAFB;
            --text-muted: #94A3B8;
            --border-slate: #1E293B;
        }
        body {
            background-color: var(--bg-main);
            color: var(--text-main);
            font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            overflow-x: hidden;
        }
        .data-mono {
            font-family: 'JetBrains Mono', 'Roboto Mono', ui-monospace, monospace;
        }
        .grid-bg-overlay {
            background-image: linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                              linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 36px 36px;
        }
        .glow-green {
            box-shadow: 0 0 25px rgba(16, 185, 129, 0.12);
        }
        .glow-green-sm {
            box-shadow: 0 0 10px rgba(16, 185, 129, 0.25);
        }
        .pulse-indicator {
            animation: pulse-ring 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
        }
        @keyframes pulse-ring {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: .4; transform: scale(1.15); }
        }