@media (max-width: 768px) {
    /*超小屏幕设备 手机*/
   #banner {
 
    top: 57px;
}
.sction1 {
    /* margin-top: 357px; */
    position: relative;
    top: 60px;
     height: 168px;
     border-bottom: none;
}
.search_key ul {
    width: 70%;
}

.search_key ul li {
    float: left;
    width: 33%;
}
.title{
	
}
.title h4 {
    font-size: 40px;
  
}
.ys_list {
    position: relative;
    margin-top: 267px;
}

.ys_nav li {
    width: 50%;
    margin-bottom: 30px;
    float: left;
    }
   .ys_img {
    width: 100%;
    height: auto;
    } 
    
    .ys_txt {
    position: initial;
    width: 100%;
    right: 20px;
    top: 62px;
    height: 298px;
    }
    .ys_txt h2 {
    font-size: 22px;
}
.ys_txt span {
    font-size: 16px;
    color: #999999;
    height: 74px;
    }
.ys_txt h3 {
    font-size: 25px;
   
}
.ys_txt p {
    font-size: 20px;
    }
    
    .sction3_nav ul li {
    float: left;
    width: 32%;
    }
    .sction3_img {
    width: 100%;
    height: auto;
}
.sction3_img a {
    width: 100%;
    height: auto;
    display: block;
    overflow: hidden;
}

.sction3_txt {
    width: 100%;
    height: 326px;
    padding: 16px;
    background: #fff;
}
.sction3_txt p {
    line-height: 35px;
    height: 78px;
    font-size: 16px;
    overflow: hidden;
}
.sction3_two li {
    float: left;
    width: 100%;
    height: 323px;
    margin-left: 0px;}
    
 .sction3_two li .sction3_img2 {
    width: 100%;
    height: 267px;
    display: block;
    overflow: hidden;
}
.sction4_img {
    margin-top: 30px;
    height: auto;
    }
  .sction4_title{
  	display: none;
  }
  .news {
	margin-left: 30px;
	height: auto;
	margin-top: 60px;
	background: #fff;
	overflow: hidden;
	position: relative;
	width: 100%;
}

.news dt {
	width: 100%;
	height: 295px;
	position: relative;
	overflow: hidden;
}

.dy1 li {
	font: 15px "Microsoft YaHei";
	line-height: 50px;
	/* font-weight: bold; */
	height: 50px;
	overflow: hidden;
	color: #1d242b;
	padding-left: 20px;
	width: 83%;
	padding-right: 20px;
}

.dy1 li a {
	display: block;
	color: #1d242b;
	width: 84%;
}

.news dd {
    width: 83%;
    height: 121px;
    padding: 0 4px;
    padding-left: 20px;
    margin-top: 45px;
    border-right: 1px solid #efefef;
}
.news dt img {
	display: block;
	width: 100%;
	height: auto;
	-webkit-transition: 1s;
	-moz-transition: 1s;
	transition: 1s;
}
.news dd {
	width: 100%;
	height: 121px;
	padding: 0 4px;
	overflow: hidden;
	margin-top: 7px;
	border-right: 1px solid #efefef;
}
.news dd p {
	font: 15px "Microsoft YaHei";
	line-height: 26px;
	color: #55585a;
	width: 100%;
}
.arr1{
	display: none;
}
.arr2{
	display: none;
}
.footer_copy p {
    text-align: center;
    line-height: 40px;
    color: #fff;
    font-size: 12px;
    color: #fff;
}
.footer_copy {
    height: 120px;
    padding-bottom: 20px;
}

.footer_line{
	display: none;
}
.zybanner {
    width: 100%;
    height: 150px;
    clear: both;
    margin-top: 54px;
}
.sction1 {
    /* margin-top: 357px; */
    position: relative;
    top: 0px;
    height: 101px;
    }
    .tl-fdh-02 {

    width: 100%;
    }
    .blk {
    margin: 20px auto 20px auto;
    width: 100%;
}
.tl-fdh-02 li {
    width: 44.4%;
    height: 55px;
    margin-left: 20px;
    margin-bottom: 20px;
    }
    .about_txt span.style {
    width: 102%;
    height: 60px;
    display: block;
    text-align: center;
    font-size: 16px;
    color: #fff;
    margin-left: 0px;
    line-height: 60px;
    background: #000000;
}
.about_tltle h4 {
    font-size: 27px;
    font-weight: bold;
    }
.about_txt2 p {
  height: 70px;
    line-height: 36px;
    }
.pro_fl h2{
	display: none;
}
.pro_cont img {
    display: none;
}
.pro_cont1 span {
    background: url(../img/dh2.png) no-repeat 107px;
    text-align: center;
}
.pro_img ul li .pro_img1 {
    width: 100%;
    height: 253px;
    display: block;
    overflow: hidden;
}
.pro_img ul li {
    float: left;
    width: 100%;
   
}
.pro_img3 img {
    width: 100%;
    height: 261px;
    margin-top: 30px;
}
.pro_txt3 {
    font-size: 15px;
    height: 149px;
    }
.about_img2 li {
    float: left;
    width: 46%;
    margin-left: 10px;
}
.hz_box li {
    float: left;
    width: 100%;
    }
    .hz_box li img {
    width: 100%;
    height: 97px;
   
}
.con_footl h3 {
    font-size: 24px;
    font-weight: normal;
    color: #333333;
    padding: 21px 0 0 2px;
}
.con_footl span {
    font-size: 14px;
    color: #999999;
    padding-left: 1px;
}
.con_footl dl {
    padding: 3px 6px 5px 0px;
    overflow: hidden;
    margin-bottom: 0px;
}
.new_img a {
    width: 99%;
    display: block;
    overflow: hidden;
    height: 217px;
}
.new_txt p {
    font-size: 14px;
    height: 125px;
    overflow: hidden;
    line-height: 30px;
}
.new_txt h4 {
    height: 40px;
    font-size: 19px;
    line-height: 40px;
}
.n01 {
    width: 100%;
}
.n02 {
    width: 100%;
}
}

@media (min-width: 768px) and (max-width: 992px) {
	/*小屏幕设备 平板*/
	
	}
	
@media (min-width: 992px) and (max-width: 1200px) {
	 /*中等屏幕设备 桌面*/
	.about_txt span.style {
    width: 100%;
    height: 60px;
    display: block;
    text-align: center;
    font-size: 20px;
    color: #fff;
    margin-left: 0px;
    line-height: 60px;
    background: #000000;
}
.pro_fl h2 {

    display: none;
    margin-top: 38px;
}

.pro_fl {

    margin-top: 40px;
}


.pro_cont {
    margin-top: -10px;
    display: none;
}

.pro_img3 img {
    width: 100%;
    height: 449px;
}

.pro_img ul li {
    float: left;
    width: 291px;
    margin-right: 19px;
    margin-bottom: 40px;
}

.pro_img ul li .pro_img1 {
    width: 288px;
    height: 208px;
    display: block;
    overflow: hidden;
}

.new_img a {
    width: 100%;
    display: block;
    overflow: hidden;
    height: 163px;
}
.new_txt p {
    font-size: 13px;
    height: 128px;
    overflow: hidden;
    line-height: 30px;
}

}

@media (min-width: 1200px) {
    /*大屏幕设备 桌面*/
}

@media (min-width: 320px) and (max-width: 400px) {
	/*小屏幕设备 平板*/
	.yd_nav {
    width: 55%;
    float: left;
    margin-left: 3px;
    margin-top: 20px;
}
.yd_nav ul li {
    float: left;
    width: 22%;
    margin-right: 16px;
}
.tl-fdh-02 li {
    width: 42.4%;

}
.search_key {
    height: 43px;
    }
    .search_key ul {
    width: 60%;
}
.search_key ul li a {
    margin-top: 24px;
    display: block;
    font-size: 14px;
    color: #000;
    text-align: center;
}
.search_box .search_ico {
    border: none;
    width: 14%;

}
	}