.chief_ban img{display: block;width: 100%;}
.chief_tit{text-align: center;}
.chief_tit p{color: #cecece;}
.chief_list{width: 260px;float: left;}
.chief_list li{cursor: pointer; background: #f1f1f1;padding:30px 0 30px 20px;line-height: 1.6;margin-top: 1px;box-sizing: border-box;transition: all .3s ease-in;}
.chief_list li span{vertical-align: middle;color: #5f5f5f; font-size:20px;}
.chief_list li em{vertical-align: middle;margin-left: 6px;color: #7a7a7a; font-size:18px;}
.chief_list li.active{background: #084093;}
.chief_list li.active span{color: rgba(255,255,255,0.1);}
.chief_list li.active em{color: rgba(255,255,255,1);}
.chief_pro{float: right;padding-left: 75px;box-sizing: border-box;width: calc(100% - 240px);width: -moz-calc(100% - 240px);w: -webkit-calc(100% - 260px);width: -webkit-calc(100% - 260px);}
.chief_head em{margin-left: 20px;}
.chief_head{font-weight: bold;}
.chief_expla{color: #7d7d7d;line-height: 24px;text-align: justify;}
.chief_off{color: #084093;}
.chief_name{color: #084093;}
.chief_way{margin-top: 10px;color: #7d7d7d;text-align: justify;}
.chief_down{padding: 54px 0;box-sizing: border-box;border-top:1px solid #dedede;border-bottom:1px solid #dedede;}
.chief_down li{/*width: 28.75%;*/width: 50%;position: relative; float: left;text-align: center;}  /*2021.5.8修改*/
.chief_down li:nth-child(1){/*width: 21%;*/text-align: left;}  /*2021.5.8修改*/
/*.chief_down li:nth-child(4){width: 21%;text-align: right;}*/  /*2021.5.8修改*/
.chief_down li{margin-top: 15px;}  /*2021.5.8修改*/
.chief_down li:nth-child(1),.chief_down li:nth-child(2){margin-top: 15px;} /*2021.5.8修改*/
.chief_down li:nth-child(3n){text-align: left;}/*2021.5.8修改*/
.chief_down li:nth-child(3n):after{width: 0;}/*2021.5.8修改*/
.chief_down_use{display: inline-block;text-align: left;padding-left: 40px;box-sizing: border-box;background: url(/images/links.png)no-repeat 0;}
.chief_down_name{color: #999999;}
.chief_down_btn a{color: #084093;}
.chief_down_btn{margin-top: 2px;}
.chief_down li+li:after{display: block;content: "";position: absolute;left: 0;top: 0;width:1px ;height: 100%;background: #f2f2f2;}
.chief_cut{display: none;}
.chief_cut.active{display: block;}
@media only screen and (max-width:1440px ) {
	.chief_pro{padding-left: 50px;}
	.chief_down{padding: 40px 0;}
	.chief_list li{line-height: 1.6;} /*2021.5.8修改*/
	.chief_down li{width: 26.75%;}
	/*.chief_down li:nth-child(1){width: 22.75%;}*/   /*2021.5.8修改*/
	/*.chief_down li:nth-child(4){width: 22.75%;}*/   /*2021.5.8修改*/
	.chief_down li{width: 50%;}   /*2021.5.8修改*/
}
@media only screen and (max-width: 1280px) {
	.chief_list{width: 220px;}
	.chief_down_name{font-size: 14px;}
	.chief_down{padding: 30px 0;}
	.chief_pro{width: calc(100% - 220px);width: -moz-calc(100% - 220px);width: -webkit-calc(100% - 220px);}
}
@media only screen and (max-width:1024px ){
	.chief_list li span {font-size:16px;}
	.chief_list li em {font-size:14px;}
}
@media only screen and (max-width:992px ) {
	.chief_down_name{font-size: 12px;}
	.chief_down_btn a{font-size: 12px;}
	/*.chief_down li{width: 25%;}
	.chief_down li:nth-child(1){width: 25%;}
	.chief_down li:nth-child(4){width: 25%;}  2021.5.8修改*/
	.chief_down{padding: 20px 0;}
	.chief_down_use{padding: 0 10px 0 30px;box-sizing: border-box;background-size: 20px;background-position-x: 3px;}
}
@media only screen and (max-width: 768px) {
	.chief_list{width: 100%;overflow-x: scroll;white-space: nowrap;}
	.chief_list ul{width: 400px;}
	.chief_list li{padding:0 10px; display: inline-block;line-height: 40px;}
    .chief_list li+li{margin-left: 5px;}
    .chief_list li em{margin-left: 5px;}
    .chief_use{padding: 0 10px;box-sizing: border-box;}
    .chief_pro{margin-top: 20px; padding-left: 0; width: calc(100% - 0px);width: -moz-calc(100% - 0px);width: -webkit-calc(100% - 0px);}
}
@media only screen and (max-width:500px ) {
	.chief_down{padding: 0;}
	.chief_down li{width: 50%;text-align: left;padding: 10px 0;}
	.chief_down li:nth-child(3):after{display: none;}
	.chief_down li:nth-child(1){width: 50%;}
	.chief_down li:nth-child(2){text-align: right;}
	/*.chief_down li:nth-child(3){border-top: 1px solid #f2f2f2;}  2021.5.8修改*/
	.chief_down li:nth-child(4){width: 50%;text-align: right;border-top: 1px solid #f2f2f2;;}
}
@media only screen and (max-width:414px ) {   /*2021.5.8修改*/
	.chief_down li{width: 100%;}
	.chief_down li:nth-child(2){text-align: left;}
	.chief_down li+li:after{width: 0;}
}<!--耗时1756508360.7061秒-->