@media screen and (min-width: 768px) and (max-width: 1024px) {
#is_cont, #is_ctnBg, .ch_ctn_menuBg, .is_ctn_aboutBg, .is_ctn_polBg,.is_ctn_orgBg,.is_ctn_riskBg,.is_ctn_menuBg{
	min-width: 1000px;
	height: auto;
	margin: 0;
}
#is_ctn, .ch_ctn_menu, .is_ctn_menu, .is_ctn_about,.is_ctn_pol,.is_ctn_org,.is_ctn_risk{
	width: 970px;
	padding: 15px 15px;
	margin: 0;
}
.ch_ctn_minorTit{
	margin: 0 0 20px 0;
}
ul.ch_tabs li{
	width: auto;
	height: 42px !important;
	padding: 0;
	line-height: 38px;
	padding-top: 5px !important;
}
ul.ch_tabs li a{
	padding: 0 15px;
}
#is_ctn_tit{
	width: 95%;
	padding: 75px 2.5% 0 2.5%;
}
#is_ctn_site{
	padding: 0 2.5% 0 0;
}
.main-box{
	margin-top: 30px;
}
.main-body{
	/* width: calc(100% / 4 - 20px); */
}
.main-body.bg-img img{
	width: 100%;
}
.main-box a{
	padding: 38px 0;
}
.pol_box{
	background: url(../images/is_pol_boxBg.png)right no-repeat;
	background-size: cover;
	height: 185px;
}
.is_ctn_riskBg{
	background-size: 50%;
}
.is_pol_body ul li{
	width: calc(100% / 2 - 16px)!important;
}
.is_ctn_polBg.pol2Bg.pol3Bg {
    padding-bottom: 200px;
}
}
@media screen and (min-width: 320px) and (max-width: 768px) {
#is_cont, #is_contBg, #is_ctnBg, .is_ctn_menuBg, .ch_ctn_menuBg, .is_ctn_aboutBg, .is_ctn_polBg,.is_ctn_orgBg,.is_ctn_riskBg{
	min-width: 320px;
}
#is_ctn, .ch_ctn_menu, .is_ctn_about,.is_ctn_pol,.is_ctn_org,.is_ctn_risk{
	width: 90%;
	padding: 15px 5%;
	float: left;
}
.ch_ctn_menuBg, .ch_ctn_menu,.is_ctn_menuBg{
	display: none;
}
.is_ctn_about{
	height: auto;
	margin: 0 auto;
}
.is_news_l, .is_news_r{
	width: 100%;
	padding: 10px 0;
	height: auto;
	min-height: 420px;
}
.is_news_l{
	min-height: 630px;
}
.is_ctn_minorTit{
	margin-bottom: 20px;
	width: 100%;
}
#is_cont_tit{
	width: 95%;
	padding: 75px 2.5% 0 2.5%;
}
#is_cont_site{
	text-align: right;
}
#is_ctn_tit{
	width: 95%;
	padding: 75px 2.5% 0 2.5%;
}
.main-body{
	width: calc(100% / 2 - 16px);
	/* width: 100%; */
}
.pol_box,.pol_box2{
	width: calc(100% - 60px);
	background: url(../images/is_pol_boxBg.png) left no-repeat;
	background-size: cover;
	height: auto;
	min-height: 200px;
}
.pol_box.mt-3{
	margin-top: 15px;
}
.is_org_box{
	width: 80%;
}
.is_pol_body ul{
	width: 100%;
}
.is_pol_body ul li{
	width: 100%;
}
.is_ctn_polBg.pol2Bg.pol3Bg {
    padding-bottom: 300px;
}
.pol_box3 {
	background: url(../images/is_pol_boxBg3.png) center no-repeat;
	background-size: 2500%;
	height: auto;
}
}

@media screen and (max-width: 415px){
	.is_news_l{
		background-size: 100%;
	}
	.is_ctn_riskBg{
		background-size: 100%;
		padding-bottom: 0px;
	}
	.is_risk_box{
		overflow-x: auto;
	}
	.is_risk_box table{
		width: 155%;
	}
	.main-body{
		width: 100%;
	}
}