.main-cloum{width: 1000px;}
.banner{background: url(../image/xsbgtbanner221020.jpg) no-repeat center  top; height: 200px;overflow: hidden;}
.main_img{ width:50%; float: left;margin-right: 20px;}
.main_img img{ width:100%;}
.test{ width:45%;float: left;}
.bt{ font-size:22px; font-weight: bold;}
.test-p{ font-size:18px; line-height: 34px; text-align: left; margin-top:25px; text-indent: 2em;}
.cloum_list li{line-height: 30px;padding: 10px 0 10px 10px;font-size: 18px;background: url(../image/xszcw20221008-12.png) no-repeat  left 25px;width: 46%;float: left;}
.cloum_list li span.data{ float: right; font-size: 14px;color: #666;}
.cloum_list li:nth-child(odd){ margin-right: 60px;}
.cloum_list li:nth-child(even){ margin-right: 0px;}
.cloum_list li a { color: #333;}
.hr_30{height: 30px;}
.hr_20{height: 20px;}
.iph-img{display: none;}

@media (min-width: 1440px){
.main-cloum{width: 1400px;}

.main_img{ width:600px; float: left;}
.main_img img{ width:600px; height: 350px;}
.test{float:left;width: 750px;margin-left: 25px;}
.bt{ font-size:22px; font-weight: bold;}
.test-p{ font-size:18px; line-height: 34px; text-align: left; margin-top:25px;}
.hr_30{height: 30px;}

.cloum_list li{line-height: 30px;padding: 10px 0 10px 10px;font-size: 18px;background: url(../image/xszcw20221008-12.png) no-repeat  left 25px;width: 46%;float: left;}
.hr_20{height: 20px;}
.iph-img{display: none;}
.cloum_list li span.data{ float: right; font-size: 14px;color: #666;}

}


@media (max-width:768px){
.iph-img img{width: 100%;height: auto;}
.main-cloum{width: 96%;}
.main_img{ width:100%;}
.main_img img{ width:100%; height: auto;}
.test{ width:98%; margin-left:10px; font-size:1.5em;}
.cloum_list li{ width:98%;}
.cloum_list{ width:98%;}
.banner{display: none;}
.iph-img{display: block;}
}