/* roulang page: index */
:root {
            --bg-dark: #0B0E14;
            --surface-dark: #151922;
            --border-color: rgba(255, 255, 255, 0.08);
            --cyan-glow: rgba(0, 240, 255, 0.15);
        }
        body {
            background-color: var(--bg-dark);
            color: #F1F5F9;
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
            line-height: 1.75;
        }
        .game-card {
            background-color: #151922;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }
        .game-card:hover {
            border-color: rgba(0, 240, 255, 0.4);
            transform: translateY(-4px);
            box-shadow: 0 10px 30px -10px var(--cyan-glow);
        }
        .glow-text-cyan {
            text-shadow: 0 0 12px rgba(0, 240, 255, 0.4);
        }
        .glow-border-violet {
            box-shadow: 0 0 20px -5px rgba(112, 0, 255, 0.3);
        }
        .gradient-cyan-violet {
            background: linear-gradient(135deg, #00F0FF 0%, #7000FF 100%);
        }
        .gradient-border {
            position: relative;
            background: #151922;
            background-clip: padding-box;
            border: 1px solid transparent;
        }
        .gradient-border::before {
            content: '';
            position: absolute;
            top: 0; right: 0; bottom: 0; left: 0;
            z-index: -1;
            margin: -1px;
            border-radius: inherit;
            background: linear-gradient(to bottom right, rgba(0,240,255,0.4), rgba(112,0,255,0.1));
        }