/* roulang page: index */
:root {
            --primary: #181B20;
            --accent: #F97316;
            --accent-hover: #EA580C;
            --surface-light: #F8F9FA;
            --surface-card: #FFFFFF;
            --text-main: #0F172A;
            --text-muted: #64748B;
            --border-color: rgba(0, 0, 0, 0.08);
        }
        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Inter", sans-serif;
        }
        body {
            background-color: var(--surface-light);
            color: var(--text-main);
            overflow-x: hidden;
        }
        .text-balance {
            text-wrap: balance;
        }
        .hero-pattern {
            background-color: #111827;
            background-image: radial-gradient(rgba(249, 115, 22, 0.15) 1px, transparent 0);
            background-size: 28px 28px;
        }
        .glass-header {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .card-shadow {
            box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.05), 0 8px 10px -6px rgba(15, 23, 42, 0.03);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .card-shadow:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 30px -10px rgba(15, 23, 42, 0.1), 0 10px 15px -5px rgba(249, 115, 22, 0.08);
        }
        .custom-scrollbar::-webkit-scrollbar {
            height: 6px;
        }
        .custom-scrollbar::-webkit-scrollbar-thumb {
            background: #CBD5E1;
            border-radius: 4px;
        }