/* roulang page: index */
:root {
            --primary: #10B981;
            --primary-hover: #059669;
            --accent: #06B6D4;
            --warning: #F59E0B;
            --bg-dark: #0B0F17;
            --bg-card: #141E33;
            --text-main: #F8FAFC;
            --text-muted: #94A3B8;
            --border-color: rgba(255, 255, 255, 0.08);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--bg-dark);
            color: var(--text-main);
            font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
            overflow-x: hidden;
        }
        .hero-bg {
            background-image: linear-gradient(to bottom, rgba(11, 15, 23, 0.75), rgba(11, 15, 23, 0.95)), url('/assets/images/28d51291be7636ae.png');
            background-size: cover;
            background-position: center;
        }
        .pattern-grid {
            background-size: 30px 30px;
            background-image: linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                              linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
        }
        .glass-card {
            background: rgba(20, 30, 51, 0.7);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-color);
        }
        .glass-card:hover {
            border-color: rgba(16, 185, 129, 0.4);
            transform: translateY(-3px);
        }
        .custom-scrollbar::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        .custom-scrollbar::-webkit-scrollbar-thumb {
            background: #334155;
            border-radius: 4px;
        }
        .custom-scrollbar::-webkit-scrollbar-track {
            background: #0f172a;
        }