.ft,.slider2 li a .text,.column1_left .hd{display: none;}

.bg-container{background: url(https://szqh.aust.edu.cn/static/images/top19.jpg) no-repeat;}
 .nav_main .nav li.on a{background: url(https://szqh.aust.edu.cn/static/images/m_bg.jpg) 50% 0% #ffedc1;}

.nav_main{background:#ff0000;}
.nav_main .nav li {width:25%;}
.nav_main .nav li a:after{visibility: hidden;}
.nav_main .nav li a.aLink{width:100%;font-size:23px;font-weight: bold;}
.nav_main .nav li ins {
  display: block;
left: 100%;
    top: 0;
    position: absolute;
  height: 68px;
  width: 2px;
  background: url(https://20da.aust.edu.cn/static/images/m.jpg);
  float: left;}
.p28 .new_top_1,.p28 .new_top_1 .u1{height:56px;}
#news_top_ind .c_list ul li{border: 0;}
#news_top_ind .c_list ul li a{height: 82.8px;border-bottom: 1px solid #cbcfd2;}
#news_top_ind .c_list ul li,.c_list ul li, .hid_den ul li{line-height:83.8px;height:83.8px;}
.c_list ul li .date{width:auto;}

.column1_left{padding-top: 30px;box-sizing: border-box;}


/* 鼠标悬停：红线从 0 扩展到 100% 宽度 */
#news_top_ind .c_list ul li:hover::after {
    width: 100%;}

/* 可选：悬停时隐藏原灰线，突出红光 */
#news_top_ind .c_list ul li:hover a::after{
    left: 100%;}
#news_top_ind .c_list ul li:hover a{
border-color: transparent;}
#news_top_ind .c_list ul li a::after {
  content: '';
    position: absolute;
    left: -100%;
    bottom: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(to right, transparent, #f00, transparent);
    transform: skewX(-25deg);
    transition: left 0.6s ease-out;
    z-index: 2;
    pointer-events: none;}