body {margin-left: 0px;margin-top: 0px;margin-right: 0px;margin-bottom: 0px;}
.sy_bj {width:100%;height:100%;background: url(../images/sybj.png) no-repeat;background-size: 100% 100%;background-size: cover;-webkit-background-size: cover;-o-background-size: cover;background-position: center 0;}
.sy_bottom {position: absolute;bottom: 0px;left: 0px;width: 100%;height: 275px;background: url(../images/sysb.png) no-repeat;background-size: 100% 100%;background-size: cover;}
.sy_logo {position: absolute;top: 22%;left: 13%; z-index: 1}
.sy_wmkt_btn{position: absolute;top: 26%;right: 10%; z-index: 1;}
.sy_wmkt_btn .diy_btn{ display: block;  background: #fff; text-align: center; border-radius: 35px; margin-bottom: 10px; padding: 10px; width: 400px;}
.ny_bj {width:100%;height:100%;padding: 0px; margin: 0px;background: url(../images/nybj.png) no-repeat;background-size: 100% 100%;background-size: cover;-webkit-background-size: cover;-o-background-size: cover;background-position: center 0;}
.ny_bj::before{ content: "\20"; display: block; height: 25px;}
.ny_hk {width: 1561px;height: 1030px;background: url(../images/nyhb.png) no-repeat;background-size: 100% 100%;background-size: cover;margin: 0 auto 0;}
.ny_top {text-align: center;padding-top: 50px;}
.ny_fhsy {text-align: center;width: 100%;padding: 20px 0px;display: block;}
.ny_nr {width: 1561px;}
.ny_bt {width: 100%;line-height: 115px;font-size: 30px;color: #333;}
.ny_zw {width: 90%;margin: 10px auto;height: 310px;font-size: 24px;color: #333;line-height: 36px;overflow: scroll;text-align: left;}
.ny_zw::-webkit-scrollbar{display: none;}
.Box {position: relative;padding-top: 80px;}
.Box .content {width: 1490px;margin: 0 auto;}
.Box .Box_con {position: relative;}
.Box .Box_con .btnl {position: absolute;}
.Box .Box_con .btn {display: block;width: 40px;height: 57px;position: absolute;top: 300px;cursor: pointer;}
.Box .Box_con .btnl {background: url(../images/sp_left.png) no-repeat center;left: -35px;}
.Box .Box_con .btnr {background: url(../images/sp_right.png) no-repeat center;right: -35px;}
.Box .Box_con .conbox {position: relative;overflow: hidden; min-height: 652px;}
.Box .Box_con .conbox ul {position: relative;list-style: none;}
.Box .Box_con .conbox ul li {float: left;width: 258px;height: 638px;margin-left: 30px;overflow: hidden;text-align: center;background: #fcfcfc;border: 1px solid #000000;}
.Box .Box_con .conbox ul li:first-child {margin-left: 0;}
.Box .Box_con .conbox ul li img {display: block;width: 258px;height: 190px;transition: all 0.5s;}
.bigimg{position: fixed;left: 0;top: 0; right: 0;bottom: 0;margin:auto;display: none;z-index:9999;}
.mask{position: fixed;left: 0;top: 0; right: 0;bottom: 0;background-color: #000;opacity:0.5;filter: Alpha(opacity=50);z-index: 98;transition:all 1s;display: none}
.mask:hover{cursor:zoom-out}
.mask>img{position: fixed;right:10px;top: 10px;width: 60px;}
.mask>img:hover{cursor:pointer}