/* roulang page: index */
:root {
            --bg-main: #0A0E17;
            --bg-card: #121826;
            --border-color: #1E2638;
            --primary: #6366F1;
            --accent: #F59E0B;
        }
        body {
            background-color: var(--bg-main);
            color: #F8FAFC;
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            overflow-x: hidden;
        }
        .hero-bg {
            background-image: linear-gradient(to bottom, rgba(10, 14, 23, 0.78), #0A0E17), url('/assets/images/e6557fe6f044f3eb.jpg');
            background-size: cover;
            background-position: center;
        }
        .deep-band-bg {
            background-image: linear-gradient(135deg, rgba(18, 24, 38, 0.95), rgba(10, 14, 23, 0.98)), url('/assets/images/4137d00846a42a51.png');
            background-size: cover;
            background-position: center;
        }
        .custom-glass {
            background: rgba(18, 24, 38, 0.75);
            backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .nav-fixed {
            background: rgba(10, 14, 23, 0.88);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .glow-hover:hover {
            box-shadow: 0 10px 30px -10px rgba(99, 102, 241, 0.45);
            border-color: rgba(99, 102, 241, 0.5);
            transform: translateY(-2px);
        }
        .countdown-item {
            background: rgba(30, 38, 56, 0.6);
            border: 1px solid rgba(99, 102, 241, 0.25);
        }