/* roulang page: index */
:root {
            --bg-main: #070B14;
            --bg-secondary: #0B132B;
            --neon-green: #00FF87;
            --neon-cyan: #00F0FF;
            --alert-red: #FF4338;
            --text-primary: #FFFFFF;
            --text-secondary: #94A3B8;
            --glass-bg: rgba(17, 26, 47, 0.75);
            --glass-border: rgba(0, 240, 255, 0.15);
        }

        body {
            background-color: var(--bg-main);
            color: var(--text-primary);
            font-family: 'Noto Sans SC', 'Inter', sans-serif;
            overflow-x: hidden;
        }

        /* 玻璃拟态卡片 */
        .glass-panel {
            background: var(--glass-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--glass-border);
            border-radius: 1rem;
            box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
        }

        .glass-panel-glow:hover {
            border-color: rgba(0, 240, 255, 0.45);
            box-shadow: 0 10px 40px -10px rgba(0, 240, 255, 0.25);
            transform: translateY(-3px);
            transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }

        /* 发光按钮 */
        .btn-neon-cyan {
            background: linear-gradient(135deg, #00F0FF 0%, #00FF87 100%);
            color: #070B14;
            font-weight: 700;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
            transition: all 0.25s ease;
        }

        .btn-neon-cyan:hover {
            box-shadow: 0 0 30px rgba(0, 255, 135, 0.6);
            transform: translateY(-2px);
        }

        .btn-outline-glow {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(0, 240, 255, 0.4);
            color: #00F0FF;
            transition: all 0.25s ease;
        }

        .btn-outline-glow:hover {
            background: rgba(0, 240, 255, 0.12);
            border-color: #00FF87;
            color: #00FF87;
            box-shadow: 0 0 20px rgba(0, 255, 135, 0.3);
        }

        /* 呼吸光点 */
        .live-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--neon-green);
            box-shadow: 0 0 10px var(--neon-green);
            animation: pulse-dot 1.8s infinite;
        }

        @keyframes pulse-dot {
            0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 255, 135, 0.7); }
            70% { transform: scale(1.15); box-shadow: 0 0 0 8px rgba(0, 255, 135, 0); }
            100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 255, 135, 0); }
        }

        /* 极速数字字体 */
        .stat-number {
            font-family: 'Inter', sans-serif;
            font-feature-settings: "tnum";
            font-variant-numeric: tabular-nums;
        }