*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Microsoft YaHei',Arial,sans-serif;line-height:1.6;color:#333}
.container{width:1200px;margin:0 auto;padding:0 20px}
.head{background:#fff;box-shadow:0 2px 4px rgba(0,0,0,0.1);position:sticky;top:0;z-index:1000}
.plr_100{padding:0 100px}
.header-content{display:flex;justify-content:space-between;align-items:center;padding:20px 100px}
.logo h1{font-size:24px;font-weight:bold}
.logo a{color:#1a73e8;text-decoration:none}
.menus ul{display:flex;list-style:none}
.menus li{margin-left:25px}
.menus a{color:#333;text-decoration:none;font-size:16px;transition:color 0.3s}
.menus a.cydn{color: #0d47a1; }
.menus a.xys{color: #60398f;}
.menus a:hover,.menus a.active{color:#1a73e8}
.breadcrumb{padding:20px 115px;background:#f9f9f9;margin-bottom:40px}
.breadcrumb a{color:#666;text-decoration:none;margin-right:10px}
.breadcrumb a:hover{color:#1a73e8}
.breadcrumb span{color:#999;margin-right:10px}
.breadcrumb-item{font-size:14px}
.breadcrumb-item a{color:#666;text-decoration:none}
.breadcrumb-item a:hover{color:#1a73e8}
.breadcrumb-item.active{color:#999}
.page-title{text-align:center;margin-bottom:50px}
.page-title h1{font-size:36px;margin-bottom:15px;color:#333}
.page-title p{font-size:16px;color:#666}
.search-form{display:flex;align-items:center}
.search-form input{flex:1;margin-right:10px}
.search-form button{white-space:nowrap}
.footer{background:#333;color:white;padding:60px 0 30px;margin-top:100px}
.footer-content{display:grid;grid-template-columns:repeat(3,1fr);gap:50px;margin-bottom:40px;padding:0 100px}
.footer-section:nth-of-type(2){
   
}
.footer-section h3{font-size:20px;margin-bottom:20px}
.footer-section h4{font-size:16px;margin-bottom:15px}
.footer-section p{font-size:12px;margin-bottom:15px}
.footer-section ul{list-style:none}
.footer-section ul li{margin-bottom:10px}
.footer-section ul li a{color:#ccc;text-decoration:none;transition:color 0.3s}
.footer-section ul li a:hover{color:white}
.footer-bottom{text-align:center;padding-top:30px;border-top:1px solid #444;font-size:14px;color:#ccc}
@media (max-width:1200px){.container{width:95%}
}
@media (max-width:768px){.header-content{flex-direction:column;padding:15px 0}
.menus li{margin:0 10px}
.footer-content{grid-template-columns:1fr}
}
.red{color: #f00}