.special_broadcast { width: 1200px; height: 168px; position: relative; margin: 28px auto;}
.special_direction_left { position:absolute; width:28px; height:70px; background: url(//image1.askci.com/research_x_img/img/icon_jiantou_left.png) no-repeat center center; z-index:9999; top:30%; left:0px;display:none;}
.special_broadcast:hover .special_direction_left { display:block; z-index: 99; cursor: pointer;}
.special_broadcast_list{ width: 1200px; height: 168px; display: block; overflow: hidden;}
.special_broadcast_list li { width: 279px; height: 168px; display: block; float: left; margin-right: 28px;}
.special_broadcast_list li a { width: 279px; height: 168px; display: block;}
.special_broadcast_list li a img { width: 279px; height: 168px; display: block;}
.special_direction_right { width:28px; height:70px; display:block; background:  url(//image1.askci.com/research_x_img/img/icon_jiantou_right.png) no-repeat center center; position:absolute; top:30%; right:0;display:none;z-index: 99;}
.special_broadcast:hover .special_direction_right { display:block; z-index: 99; cursor: pointer;}
.special_broadcast2024 {
    width: 1200px;
    height: 168px;
    position: relative;
    margin: auto; 
    margin-top: 32px;
}