/* roulang page: index */
:root {
            --bg-night: #090D16;
            --accent-green: #00F59B;
            --accent-blue: #38BDF8;
            --border-line: rgba(51, 65, 85, 0.45);
        }
        body {
            background-color: var(--bg-night);
            color: #F8FAFC;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            overflow-x: hidden;
        }
        /* Custom scrollbar */
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        ::-webkit-scrollbar-track {
            background: #090D16;
        }
        ::-webkit-scrollbar-thumb {
            background: #1E293B;
            border-radius: 3px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #00F59B;
        }
        .glow-border {
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .glow-border:hover {
            border-color: rgba(0, 245, 155, 0.4);
            box-shadow: 0 10px 30px -10px rgba(0, 245, 155, 0.15);
        }
        .stat-grid-bg {
            background-image: radial-gradient(rgba(56, 189, 248, 0.08) 1px, transparent 0);
            background-size: 24px 24px;
        }
        .progress-ring-circle {
            stroke-dasharray: 283;
            stroke-dashoffset: 45;
            transform: rotate(-90deg);
            transform-origin: 50% 50%;
            transition: stroke-dashoffset 0.5s ease;
        }