/* roulang page: index */
:root {
            --bg-main: #0a0e1a;
            --text-main: #f8fafc;
            --text-sub: #94a3b8;
            --border-glass: rgba(255, 255, 255, 0.08);
        }
        body {
            background-color: var(--bg-main);
            color: var(--text-main);
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            overflow-x: hidden;
        }
        .glass-panel {
            background: rgba(30, 41, 59, 0.65);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-glass);
        }
        .glass-panel-hover {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .glass-panel-hover:hover {
            border-color: rgba(59, 130, 246, 0.4);
            transform: translateY(-4px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5), 0 0 15px rgba(37, 99, 235, 0.2);
        }
        .glow-button {
            transition: all 0.25s ease;
            box-shadow: 0 0 18px rgba(37, 99, 235, 0.45);
        }
        .glow-button:hover {
            box-shadow: 0 0 28px rgba(59, 130, 246, 0.7);
            transform: translateY(-2px);
        }
        .badge-chip {
            background: rgba(37, 99, 235, 0.15);
            border: 1px solid rgba(59, 130, 246, 0.3);
        }