/* roulang page: index */
:root {
            --bg-base: #070B19;
            --bg-surface: rgba(15, 23, 42, 0.7);
            --border-glow: rgba(59, 130, 246, 0.25);
            --text-main: #FFFFFF;
            --text-muted: #94A3B8;
            --glow-cyan: #00F2FE;
        }

        body {
            background-color: var(--bg-base);
            color: #FFFFFF;
            overflow-x: hidden;
        }

        .glass-panel {
            background: var(--bg-surface);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glow);
        }

        .glass-panel-hover:hover {
            border-color: rgba(0, 242, 254, 0.45);
            box-shadow: 0 10px 30px -10px rgba(0, 242, 254, 0.2);
        }

        .btn-glow-primary {
            background: linear-gradient(135deg, #00F2FE 0%, #2563EB 100%);
            box-shadow: 0 0 20px rgba(0, 242, 254, 0.35);
            transition: all 0.25s ease-in-out;
        }

        .btn-glow-primary:hover {
            box-shadow: 0 0 30px rgba(0, 242, 254, 0.6);
            transform: scale(1.02);
        }

        .text-gradient-cyan {
            background: linear-gradient(135deg, #FFFFFF 20%, #00F2FE 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .text-gradient-purple {
            background: linear-gradient(135deg, #4FACFE 0%, #7928CA 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        /* 侧边导航与内容排版断点控制 */
        @media (min-width: 1024px) {
            .site-sidebar {
                width: 270px;
                position: fixed;
                top: 0;
                bottom: 0;
                left: 0;
                z-index: 50;
            }
            .site-main-content {
                margin-left: 270px;
            }
        }

        /* 滚动条美化 */
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        ::-webkit-scrollbar-track {
            background: #070B19;
        }
        ::-webkit-scrollbar-thumb {
            background: #1e293b;
            border-radius: 3px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #00F2FE;
        }