/* roulang page: index */
:root {
            --bg-color: #121212;
            --section-bg: #1A1A1A;
            --text-main: #FFFFFF;
            --text-dim: #B3B3B3;
            --accent-green: #00FF9D;
            --accent-cyan: #00E5FF;
            --card-bg: rgba(255, 255, 255, 0.03);
            --border-color: rgba(255, 255, 255, 0.1);
            --radius: 8px;
            --gap-large: 100px;
        }

        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; background-color: var(--bg-color); color: var(--text-main); line-height: 1.6; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

        header { padding: 20px 0; border-bottom: 1px solid var(--border-color); background: rgba(18,18,18,0.9); position: sticky; top: 0; z-index: 100; }
        nav { display: flex; justify-content: space-between; align-items: center; }
        .logo { font-size: 20px; font-weight: 700; color: var(--accent-green); text-decoration: none; }
        .nav-links a { color: var(--text-main); text-decoration: none; margin-left: 30px; font-size: 14px; transition: color 0.3s; }
        .nav-links a:hover { color: var(--accent-green); }

        section { padding: var(--gap-large) 0; border-bottom: 1px solid var(--border-color); }
        h1, h2 { margin-bottom: 30px; color: var(--text-main); line-height: 1.2; }
        h1 { font-size: 3rem; }
        h2 { font-size: 2.2rem; text-align: center; }
        p { color: var(--text-dim); margin-bottom: 20px; }
        
        .hero { padding: 120px 0; background: linear-gradient(rgba(18,18,18,0.8), rgba(18,18,18,0.8)), url('/assets/images/领跑智慧体育赛道_一视科技2024年度高光盘点--企业动态--新闻中心--安徽一视科技有限公司.png') no-repeat center center / cover; text-align: center; }
        .btn { display: inline-block; padding: 12px 30px; background: var(--accent-green); color: #000; text-decoration: none; border-radius: var(--radius); font-weight: 700; transition: transform 0.3s, box-shadow 0.3s; }
        .btn:hover { transform: translateY(-3px); box-shadow: 0 0 20px var(--accent-green); }

        .grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
        .card { padding: 30px; background: var(--card-bg); border: 1px solid var(--border-color); border-radius: var(--radius); transition: border 0.3s; }
        .card:hover { border-color: var(--accent-cyan); }

        .flow-step { display: flex; justify-content: space-between; gap: 20px; text-align: center; }
        .step-item { flex: 1; padding: 20px; border: 1px solid var(--border-color); border-radius: var(--radius); }

        .stat-bar { display: flex; justify-content: space-between; align-items: center; background: linear-gradient(90deg, #00FF9D 0%, #00E5FF 100%); padding: 40px; border-radius: var(--radius); color: #000; }
        
        footer { padding: 60px 0; background: #000; color: var(--text-dim); text-align: center; font-size: 14px; }
        
        @media (max-width: 768px) {
            h1 { font-size: 2rem; }
            .grid-3 { grid-template-columns: 1fr; }
            .flow-step { flex-direction: column; }
        }