.main{padding:60px 0;}
.main .banner{width:100%;height:230px;background:#373e46 url(../images/question/banner.jpg) no-repeat center;background-size:100% 230px;}
.main .title1{color:#333;font-size:18px;padding:40px 0 30px 0;line-height:24px;font-size:18px;}
.main .mainNav{height:44px;line-height:44px;border-top:1px solid #dfdfdf;border-bottom:1px solid #dfdfdf;}
.main .mainNav:after{content: "020"; display: block; height: 0; clear: both;visibility:hidden;}
.main .mainNav .child{cursor:pointer;margin-top:18px;line-height:12px;float:left;height:12px;padding:0 12px;border-right:1px solid #dfdfdf;text-align:center;color:#666;font-size:14px;}
.main .mainNav .child{transition-duration: .5s;-ms-transition-duration: .5s;-moz-transition-duration: .5s; -webkit-transition-duration: .5s; }
.main .mainNav .child.on{color:#ffffff;font-weight:bold;border-bottom:1px solid #005bac;line-height:12px;}
.main .mainNav .child:hover{color:#005bac;}
.main .content{display:none;margin-top:0px;}
.main .content .child{padding:20px 0;border-bottom:1px solid #d1d1d1;}
.main .content .child:after{content: "020"; display: block; height: 0; clear: both;visibility:hidden;}
.main .content .child .childIcon{cursor:pointer;float:left;margin-right:15px;position:relative;width:30px;height:30px;background:#666;}
.main .content .child .childIcon{transition-duration: .5s;-ms-transition-duration: .5s;-moz-transition-duration: .5s; -webkit-transition-duration: .5s; }
.main .content .child .childIcon:hover{background:#8e8e8e;}
.main .content .child .childIcon .sub{position:absolute;height:2px;top:14px;left:9px;width:12px;height:2px;background:#fff;}
.main .content .child .childIcon .sub.sub2{ transform:rotate(90deg);-moz-transform:rotate(90deg);-ms-transform:rotate(90deg);-o-transform:rotate(90deg);-webkit-transform:rotate(90deg);}
.main .content .child .childIcon .sub2{transition-duration: .5s;-ms-transition-duration: .5s;-moz-transition-duration: .5s; -webkit-transition-duration: .5s; }
.main .content .child .childIcon.on .sub2{transform:rotate(90deg);-moz-transform:rotate(0deg);-ms-transform:rotate(0deg);-o-transform:rotate(0deg);-webkit-transform:rotate(0deg);}
.main .content .child .title{line-height:30px;color:#333333;font-size:14px;}
.main .content .child .childContent{display:none;padding:26px 0 10px 0;color:#666;line-height:22px;font-size:14px;}
@media (max-width: 639px) {
.main{padding:16px 0;}
.main .banner{height:65px;background:#373e46 url(../images/question/banner.jpg) no-repeat center;background-size:100% 65px;}
.main .title1{font-size:14px;padding:10px 0;line-height:20px;}
.main .mainNav{height:auto;line-height:normal;padding:4px 0;}

.main .mainNav .child{margin:4px 0;line-height:12px;height:12px;padding:0 8px;font-size:12px;}

.main .content{margin-top:14px;}
.main .content .child{padding:14px 0;}
.main .content .child .childIcon{margin-right:10px;width:20px;height:20px;}
.main .content .child .childIcon .sub{height:1px;top:9px;left:5px;width:10px;}
.main .content .child .title{line-height:20px;font-size:12px;}
.main .content .child .childContent{padding:14px 0 4px 0;line-height:20px;font-size:12px;}
}
@media (min-width: 640px) and (max-width:1023px ) {
.main{padding:30px 0;}
.main .banner{height:117px;background:#373e46 url(../images/question/banner.jpg) no-repeat center;background-size:100% auto;}
.main .title1{font-size:18px;padding:20px 0;line-height:24px;font-size:18px;}
.main .mainNav{height:44px;line-height:44px;}

.main .mainNav .child{margin-top:18px;line-height:12px;height:12px;padding:0 14px;font-size:14px;}

.main .content{margin-top:14px;}
.main .content .child{padding:14px 0;}
.main .content .child .childIcon{margin-right:18px;width:30px;height:30px;}
.main .content .child .childIcon .sub{height:2px;top:14px;left:9px;width:12px;height:2px;}
.main .content .child .title{line-height:30px;font-size:14px;}
.main .content .child .childContent{padding:26px 0 10px 0;line-height:22px;font-size:14px;}
}
@media (min-width: 1024px) and (max-width:1199px ) {

}
@media (min-width: 1200px) and (max-width:1439px ) {

}
@media (min-width: 1440px) and (max-width:1920px ) {

}