/* roulang page: index */
:root {
            --bg-color: #0B0F19;
            --primary: #7C3AED;
            --neon-cyan: #06B6D4;
            --accent-pink: #F43F5E;
            --text-main: #F9FAFB;
            --text-muted: #9CA3AF;
        }
        body {
            background-color: var(--bg-color);
            color: var(--text-main);
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
            overflow-x: hidden;
        }
        .hero-bg {
            background: linear-gradient(180deg, rgba(11, 15, 25, 0.85) 0%, rgba(11, 15, 25, 0.98) 100%), url('/assets/images/f06794fb688239a7.png') center/cover no-repeat;
        }
        .grid-pattern {
            background-size: 32px 32px;
            background-image: linear-gradient(to right, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
                              linear-gradient(to bottom, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
        }
        .glow-card {
            background: rgba(17, 24, 39, 0.7);
            backdrop-filter: blur(12px);
            border: 1px solid var(--darkBorder);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .glow-card:hover {
            border-color: rgba(6, 182, 212, 0.4);
            transform: translateY(-4px);
            box-shadow: 0 12px 28px -8px rgba(124, 58, 237, 0.25);
        }
        .btn-gradient {
            background: linear-gradient(135deg, #7C3AED 0%, #06B6D4 100%);
            transition: all 0.25s ease-in-out;
        }
        .btn-gradient:hover {
            opacity: 0.92;
            box-shadow: 0 0 20px rgba(6, 182, 212, 0.4);
            transform: scale(1.01);
        }