.blank{height: 600px;}

/* banner通用 */
#banner{width:100%; height:600px; position:fixed; z-index:1; left:0; top:0; background: #000;}
#banner .wrap{position: absolute; left: 50%; top: 58%; margin-left: -600px;}
#banner .wrap .en{font-size: 7.2rem; color: #fff; font-family: Arial; text-transform: uppercase;}
#banner .wrap .cn{font-size: 6rem; color: #fff; margin-top: 18px;}

@media (max-width:1199px){
  .blank{height: 0; padding-bottom: 100%;}

  #banner{height: 0; padding-bottom: 100%;}
  #banner .full-bg{width: 100%; position: absolute;}
  #banner .wrap{left: 0; margin-left: 0;}
  #banner .wrap .en{font-size: 3.2rem;}
  #banner .wrap .cn{font-size: 2.6rem; margin-top: 10px;}
}


/* 二级栏目通用 */
.catalog{display: flex; flex-direction: row; flex-wrap: wrap; padding-top: 50px;}
.catalog>a{display: block; width: 33.3333333%; height: 80px; line-height: 80px; color: #323232; font-size: 2.4rem; text-align: center; position: relative;}
.catalog>a:hover{color: #0076ce;}
.catalog>a.active{color: #0076ce;}
.catalog>a.active:after{content: ''; display: block; height: 2px; background: #0076ce; width: 100%; position: absolute; left: 0; bottom: 0;}

@media (max-width:1199px){
  .catalog{padding-top: 30px;}
  .catalog>a{width: 33.3333333%; height: 50px; line-height: 50px; color: #323232; font-size: 1.6rem;}
}