/* roulang page: index */
:root {
            --bg-base: #0B0E14;
            --bg-panel: #121721;
            --bg-card: #1A2232;
            --neon-green: #00FF87;
            --neon-cyan: #00F2FE;
            --neon-purple: #8B5CF6;
            --text-main: #FFFFFF;
            --text-muted: #94A3B8;
            --text-body: #E2E8F0;
        }
        body {
            background-color: var(--bg-base);
            color: var(--text-body);
            font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            overflow-x: hidden;
        }
        .text-glow {
            text-shadow: 0 0 12px rgba(0, 255, 135, 0.4);
        }
        .neon-card {
            background: #1A2232;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .neon-card:hover {
            border-color: rgba(0, 255, 135, 0.4);
            box-shadow: 0 0 25px rgba(0, 255, 135, 0.15);
            transform: translateY(-2px);
        }
        .cyber-grid {
            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: 32px 32px;
        }