/* roulang page: index */
:root {
            --brand-gradient: linear-gradient(135deg, #1E1B4B 0%, #4F46E5 50%, #0EA5E9 100%);
            --card-shadow: 0 10px 30px -5px rgba(15, 23, 42, 0.05), 0 0 0 1px rgba(226, 232, 240, 0.8);
            --glow-shadow: 0 0 25px -5px rgba(79, 70, 229, 0.3);
        }
        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
            background-color: #F8FAFC;
            color: #1E293B;
        }
        .hero-slant-bg {
            clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
            background: linear-gradient(135deg, #0B0F19 0%, #1E1B4B 45%, #312E81 100%);
        }
        .card-custom {
            box-shadow: var(--card-shadow);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .card-custom:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 35px -5px rgba(15, 23, 42, 0.08), 0 0 0 1px rgba(99, 102, 241, 0.4);
        }
        .badge-pill {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            padding: 0.25rem 0.875rem;
            border-radius: 9999px;
            font-size: 0.8125rem;
            font-weight: 600;
        }