/* 全局重置 无冗余代码 适配Bing爬虫页面轻量化 */
*{margin:0;padding:0;box-sizing:border-box;font-family:-apple-system,BlinkMacSystemFont,Microsoft YaHei,sans-serif;}
html,body{width:100%;color:#1d2129;background:#fff;line-height:1.6;}
a{text-decoration:none;color:inherit;}
ul{list-style:none;}
.container{width:92%;max-width:1200px;margin:0 auto;padding:0 12px;}
.bg-gray{background:#f5f7fa;}

/* 导航栏 */
.header{background:#fff;border-bottom:1px solid #eee;padding:16px 0;position:sticky;top:0;z-index:99}
.nav-wrap{display:flex;justify-content:space-between;align-items:center;}
.logo{font-size:24px;font-weight:bold;color:#2563eb;}
.nav-list{display:flex;gap:32px;align-items:center;}
.nav-download-btn{background:#2563eb;color:#fff;padding:8px 20px;border-radius:6px;transition:0.2s}
.nav-download-btn:hover{background:#1677ff;}

/* 首屏超大下载按钮 核心视觉置顶 */
.hero-banner{background:#2563eb;color:#fff;padding:60px 0;text-align:center;}
.hero-content h1{font-size:42px;margin-bottom:16px}
.hero-content p{font-size:18px;opacity:0.9;margin-bottom:32px;max-width:800px;margin-left:auto;margin-right:auto;}
.big-main-download-btn{display:inline-block;background:#fff;color:#2563eb;font-size:20px;font-weight:bold;padding:18px 48px;border-radius:10px;box-shadow:0 4px 12px rgba(0,0,0,0.15);transition:0.2s}
.big-main-download-btn:hover{transform:translateY(-3px);box-shadow:0 6px 18px rgba(0,0,0,0.2);}
.hero-tag{margin-top:20px;font-size:15px;opacity:0.85}

/* 通用模块样式 */
.module-section{padding:60px 0;}
.module-section h2{font-size:30px;margin-bottom:24px;color:#1d2129;}
.module-download-btn{display:inline-block;margin-top:28px;background:#2563eb;color:#fff;padding:12px 28px;border-radius:6px}
.module-download-btn:hover{background:#1677ff;}

/* 产品网格 */
.product-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px;margin-bottom:16px}
.product-card{background:#fff;padding:24px;border-radius:8px;box-shadow:0 1px 6px rgba(0,0,0,0.06)}
.product-card h3{margin-bottom:10px;color:#2563eb}

/* 行业标签 */
.industry-grid{display:flex;flex-wrap:wrap;gap:14px;margin:20px 0;}
.industry-grid span{padding:8px 16px;background:#eef4ff;border-radius:20px;color:#2563eb}

/* 下载页面区块 */
.download-banner{padding:40px 0;background:#eef4ff;text-align:center}
.download-card{padding:40px 0;border-bottom:1px solid #eee}
.download-card h2{margin-bottom:12px}
.down-btn{display:inline-block;margin-top:16px;background:#2563eb;color:#fff;padding:10px 24px;border-radius:6px}
.back-home-box{text-align:center;padding:30px 0;font-size:16px;color:#2563eb}

/* 页脚 */
.footer{background:#1d2129;color:#fff;padding:40px 0;margin-top:40px}
.footer-link{display:flex;gap:24px;margin-bottom:16px}
.footer-link a{opacity:0.8}
.footer-link a:hover{opacity:1}

/* 响应式适配移动端（SEO移动端权重） */
@media(max-width:768px){
    .nav-list{gap:16px}
    .hero-content h1{font-size:28px}
    .big-main-download-btn{padding:14px 32px;font-size:16px}
    .product-grid{grid-template-columns:1fr}
}