.mb_head{display:none;}
.pc_head{width:100%;position:fixed;top:0;left:0;width:100%;z-index:9999;transition:all .5s;height:100px;border-bottom:1px solid rgba(255,255,255,0.5);}
.scroll{background:#fff;border-bottom:1px solid #e4e4e4}
.scroll .pc_logo a img{content:url('../head/images/logo.svg')}
.scroll .pc_nav li a{color:#000}
.pc_head .ctt{width:90%;line-height:100px;display:flex;justify-content:space-between;align-items:center;}
.pc_logo{width:250px;}
.pc_logo a{display:block;width:100%}
.pc_logo a img{width:100%;transition:all .5s;}
.pc_nav{}
.pc_nav ul{display:flex;justify-content:space-between;}
.pc_nav ul li{position:relative;}
.pc_nav ul li a{padding:0 20px;font-size:18px;color:#fff;font-weight:300;transition:all .2s;display:block;height:100%;}
.pc_nav ul li a:hover{color: #0e86d5! Important;font-weight:bold !Important;}
.nav_active{color:#0e86d5 ! Important;font-weight:bold !Important;}
.nav_active:after{background:#0e86d5;width:100%;left:0;bottom:0;height:2px;content:"";position:absolute;}

@media screen and (max-width:1400px){
  .pc_head .ctt{width:1400px;}
  .pc_logo{width:200px;}
  .pc_nav ul li a{font-size:16px;}
}

@media screen and (max-width:768px){
  .pc_head{display:none;}
  .mb_head{display:block;position:fixed;top:0;left:0;z-index:99999;width:100%;background:#fff;}
  .mb_top{display:flex;align-items:center;justify-content:space-between;padding:15px 0;width:90%;margin:0 auto;}
  .mb_nav{width:40px;}
  .mb_nav img{width:100%}
  .mb_logo{width:150px;}
  .mb_logo img{width:100%}
  .mb_call{width:40px;}
  .mb_call img{width:100%}
  .all_nav{display:none;z-index:99999;top:0;left:0;width:100%;height:100vh;background:rgba(0,0,0,0.8);padding:60px 0;position:absolute;}
  .all_nav img{margin:0 auto;display:Block;width:180px;}
  .all_nav ul{width:90%;margin:0 auto;margin-top:40px;}
  .all_nav ul li{padding:15px 0;}
  .all_nav ul li a{color:#fff;font-size:16px;text-align:center;display:block;}
  .all_nav_close{position:absolute;bottom:0;left:0;width:100%;background:#004a89;display:flex;justify-content:center;align-items:center;font-size:15px;color:#fff;}
  .all_nav_close img{display:block;filter:invert(1) brightness(10);padding:15px 0;width:13px;margin:0 !Important;margin-left:10px !important}
}