/* roulang page: index */
:root {
            --bg-deep: #050811;
            --bg-navy: #0b132b;
            --core-blue: #1c64f2;
            --core-cyan: #00d2ff;
            --sub-cyan: #06b6d4;
            --glow-purple: #7c3aed;
            --accent-green: #10b981;
            --text-main: #f9fafb;
            --text-body: #e5e7eb;
            --text-dim: #9ca3af;
            --card-glass: rgba(15, 23, 42, 0.65);
            --border-glow: rgba(0, 210, 255, 0.18);
        }

        body {
            background-color: var(--bg-deep);
            color: var(--text-body);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            overflow-x: hidden;
        }

        .glass-panel {
            background: var(--card-glass);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-glow);
            box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
        }

        .glass-panel-hover {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .glass-panel-hover:hover {
            border-color: rgba(0, 210, 255, 0.45);
            box-shadow: 0 12px 40px 0 rgba(0, 210, 255, 0.15);
            transform: translateY(-2px);
        }

        .btn-glow {
            background: linear-gradient(135deg, #1c64f2 0%, #00d2ff 100%);
            box-shadow: 0 0 16px rgba(0, 210, 255, 0.45);
            transition: all 0.25s ease;
        }
        .btn-glow:hover {
            box-shadow: 0 0 25px rgba(0, 210, 255, 0.7);
            transform: translateY(-2px);
        }

        .btn-outline-cyan {
            border: 1px solid var(--core-cyan);
            color: var(--core-cyan);
            background: transparent;
            transition: all 0.25s ease;
        }
        .btn-outline-cyan:hover {
            background: rgba(0, 210, 255, 0.12);
            box-shadow: 0 0 15px rgba(0, 210, 255, 0.3);
            transform: translateY(-2px);
        }

        .mono-num {
            font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
        }

        /* 隐藏原生滚动条 */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #050811;
        }
        ::-webkit-scrollbar-thumb {
            background: #1e293b;
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #00d2ff;
        }