/* roulang page: index */
:root {
            --primary: #10B981;
            --primary-hover: #059669;
            --secondary: #06B6D4;
            --dark-base: #0B0F19;
            --dark-card: #131B2E;
            --light-bg: #F8FAFC;
            --text-dark: #0F172A;
            --text-muted: #64748B;
            --border-light: rgba(226, 232, 240, 0.85);
            --border-dark: rgba(30, 41, 59, 0.8);
        }
        body {
            font-family: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--light-bg);
            color: var(--text-dark);
            overflow-x: hidden;
        }
        .hero-mesh {
            background-color: #0B0F19;
            background-image: 
                radial-gradient(at 0% 0%, rgba(16, 185, 129, 0.15) 0px, transparent 50%),
                radial-gradient(at 100% 100%, rgba(6, 182, 212, 0.12) 0px, transparent 50%);
        }
        .code-window-bar {
            background: #1e293b;
            border-bottom: 1px solid #334155;
        }
        .code-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            display: inline-block;
        }
        .feature-card-hover {
            transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
        }
        .feature-card-hover:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 32px -8px rgba(16, 185, 129, 0.12);
            border-color: rgba(16, 185, 129, 0.4);
        }
        .custom-scrollbar::-webkit-scrollbar {
            height: 6px;
        }
        .custom-scrollbar::-webkit-scrollbar-thumb {
            background: #cbd5e1;
            border-radius: 4px;
        }
        .custom-scrollbar::-webkit-scrollbar-thumb:hover {
            background: #94a3b8;
        }