/* roulang page: index */
:root {
            --color-cyan: #00F2FE;
            --color-blue: #4FACFE;
            --color-bg: #0B0F19;
        }
        body {
            background-color: #0B0F19;
            color: #E2E8F0;
            font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            overflow-x: hidden;
        }
        .text-glow {
            text-shadow: 0 0 20px rgba(0, 242, 254, 0.45);
        }
        .box-glow {
            box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
        }
        .box-glow:hover {
            box-shadow: 0 0 25px rgba(0, 242, 254, 0.2);
        }
        .glass-panel {
            background: rgba(17, 24, 39, 0.75);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .drawer-overlay {
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }
        .drawer-content {
            transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
        }
        details summary::-webkit-details-marker {
            display: none;
        }