/* roulang page: index */
:root {
            --bg-main: #F8FAFC;
            --text-heading: #0F172A;
            --text-body: #475569;
            --primary-accent: #0284C7;
            --primary-hover: #0369A1;
            --emerald-tag: #10B981;
            --border-tech: rgba(226, 232, 240, 0.9);
        }
        
        body {
            background-color: var(--bg-main);
            color: var(--text-body);
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        .circuit-pattern {
            background-image: radial-gradient(rgba(2, 132, 199, 0.12) 1px, transparent 1px);
            background-size: 24px 24px;
        }

        .dark-circuit {
            background-image: radial-gradient(rgba(6, 182, 212, 0.15) 1px, transparent 1px);
            background-size: 28px 28px;
        }

        .hero-banner-mask {
            background: linear-gradient(180deg, rgba(15, 23, 42, 0.88) 0%, rgba(10, 13, 20, 0.95) 100%);
        }

        .card-hover-fx {
            transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .card-hover-fx:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 30px -10px rgba(2, 132, 199, 0.12);
        }

        /* 隐藏滚动条 */
        .no-scrollbar::-webkit-scrollbar {
            display: none;
        }
        .no-scrollbar {
            -ms-overflow-style: none;
            scrollbar-width: none;
        }