@media (max-width: 476px) {
  .head{width:100%;height: auto;}
  .logo{width: 61%;
    height: 77px;
    margin-top: 42px;}
  .logo img{width:100%;height:auto;}
  .topbox {
		width: 57%;
		height: 114px;
		float: right;
		z-index: 1003;
		position: absolute;
		right: 0;
	}
	.nav {
    width: 100%;height: auto;background: none;}
	.nav ul {
		float: left;
		display: grid;
		grid-template-columns: 1fr 1fr 1fr;
		width: 100%;
		grid-template-rows: 40px 40px 40px;
	}
	.nav ul li a{background:none;width: 100%;height: 40px;line-height: 40px;}
	.nav ul li {
		width: 100%;
		height: 40px;
		float: left;
		line-height: 40px;
		text-align: center;
		overflow: hidden;
		background: #3268c9;
	}
	#flash-box,#wrap,.main{width: 100%;}
	#flash-box{overflow:hidden;}
	.left{
		width: 100%;
		    margin-left: 0px;
			    display: none;
	}
	.pro-list{
		width: 100%;
		    margin-left: 0px;
	}
	.pro-list-t{
		width: 100%;
		background: #4c76b0 url(../images/pro_list_t.jpg) no-repeat;
	}
	.pro-list-box{
		width: 100%;
		border:none;
	}
	.news {
    width: 90%;}
	.news-t {
    width: 100%;}
	.news-box {
    width: 100%;}
	.news-box ul li {
    width: 91%;
	overflow:hidden;}
	.hdp{
    width: 90%;}
	.hdp-t{
    width: 100%;background: #4976b1 url(../images/video_t.jpg) no-repeat;}
	.hdp-box {
    width: 100%;}
	.hdp-box>video{width: 100%;}
	.about{
		width: 100%;
		margin-right: 0;
		float:left;
	}
	.about-t {
    width: 100%;}
	.about-box {
    width: 100%;}
	.about-box img{width:33%;height:auto;}
	.all{
		width: 100%;
		margin-right: 0;
		float:left;
	}
	.all-t{
	width: 100%;}
	.all-box{
	width: 100%;padding: 0;}
	.product-box ul{
		display: grid;
		grid-template-columns: 50% 50%;
	}
	.product-box ul li{
		width:94%;
		padding:5px;
		margin:0;
		height: 151px;
	}
	.product-box ul li img{
		width:100%;
		height:118px;
	}
	.show{
	width: 100%;float:left;}
	.foot{
	width: 100%;}
	.intro{
		width: 97%!important;
		    padding-left: 0%!important;
	}
	.intro>div{
		width: 100%!important;
		    padding-left: 0%!important;
	}
	.form{
	width: 93%!important;}
	.form-control{width: 73%!important;}
	.topadd,.toptel,.tophot{display:none;}
}