/* roulang page: index */
:root {
            --bg-base: #0B0E14;
            --bg-surface: #121620;
            --primary-grad: linear-gradient(135deg, #6366F1 0%, #8B5CF6 50%, #06B6D4 100%);
            --border-glass: rgba(255, 255, 255, 0.08);
            --glow-shadow: 0 8px 32px rgba(99, 102, 241, 0.15);
        }
        body {
            background-color: var(--bg-base);
            color: #94A3B8;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            overflow-x: hidden;
        }
        .text-glow {
            text-shadow: 0 0 24px rgba(99, 102, 241, 0.5);
        }
        .glass-panel {
            background: rgba(18, 22, 32, 0.75);
            backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
        }
        .glass-card-interactive {
            background: rgba(18, 22, 32, 0.85);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }
        .glass-card-interactive:hover {
            transform: translateY(-4px);
            border-color: rgba(139, 92, 246, 0.4);
            box-shadow: 0 16px 40px rgba(99, 102, 241, 0.18);
        }
        .custom-scrollbar::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        .custom-scrollbar::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 9999px;
        }