/* roulang page: index */
:root {
            --brand-primary: #ea580c;
            --brand-secondary: #0d9488;
            --brand-dark: #0f172a;
            --text-main: #0f172a;
            --text-muted: #475569;
            --bg-light: #f8fafc;
            --bg-card: #ffffff;
        }
        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--text-main);
            background-color: var(--bg-light);
            overflow-x: hidden;
        }
        .data-grid-pattern {
            background-size: 32px 32px;
            background-image: linear-gradient(to right, rgba(226, 232, 240, 0.4) 1px, transparent 1px),
                              linear-gradient(to bottom, rgba(226, 232, 240, 0.4) 1px, transparent 1px);
        }
        .dark-grid-pattern {
            background-size: 28px 28px;
            background-image: linear-gradient(to right, rgba(51, 65, 85, 0.3) 1px, transparent 1px),
                              linear-gradient(to bottom, rgba(51, 65, 85, 0.3) 1px, transparent 1px);
        }
        .text-glow {
            text-shadow: 0 0 16px rgba(249, 115, 22, 0.4);
        }
        .metric-glow {
            text-shadow: 0 0 16px rgba(13, 148, 136, 0.4);
        }
        .custom-scrollbar::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        .custom-scrollbar::-webkit-scrollbar-thumb {
            background: #cbd5e1;
            border-radius: 9999px;
        }