/* roulang page: index */
:root {
            --primary: #00DC82;
            --primary-dark: #00B86B;
            --bg-dark: #0A0F1D;
            --bg-card-dark: #161E31;
            --text-main: #0F172A;
            --text-muted: #64748B;
        }
        html { scroll-behavior: smooth; }
        body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; }
        .hero-mesh {
            background: linear-gradient(135deg, rgba(10, 15, 29, 0.95) 0%, rgba(22, 30, 49, 0.9) 100%), url('/assets/images/4a40cdd4bde8895e.jpg') center/cover no-repeat;
        }
        .deep-mesh {
            background: linear-gradient(180deg, #0A0F1D 0%, #111827 100%);
        }
        .card-shadow {
            box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.06);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .card-shadow:hover {
            box-shadow: 0 12px 30px -4px rgba(15, 23, 42, 0.12);
            transform: translateY(-4px);
        }
        .custom-scrollbar::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        .custom-scrollbar::-webkit-scrollbar-thumb {
            background-color: #cbd5e1;
            border-radius: 4px;
        }