* {margin:0; padding:0; box-sizing: border-box;}
body {
  margin:0;
  padding:0;
  font-family:"微软雅黑","宋体";
  font-size:15px;
  color:#333333;
  background: #fff;
  width: 100%;
}
ul,li {list-style:none; margin:0; padding:0;}
a {
  text-decoration: none;
  color: #333333;
}
.clear{
  clear: both;
}
.left{
  float: left;
}
.right{
  float: right;
}
.block{
  display: block;
}
.none{
  display: none;
}
.margin_r0{
  margin-right: 0 !important;
}
/*局部样式*/
/*top*/
.top{
  width: 100%;
}
.top>img{
  width: 100%;
}
/*sel*/
.sel{
  width: 1100px;
  margin: 0 auto;
}
.sel_bt{
  width: 100%;
  height: 49px;
  background: url("zfkjzdssnwwdzl_bt.png") no-repeat;
}
.sel_bt>div{
  width: 50%;
}
.sel_bt_left{
  padding-left: 55px;
  font-size: 20px;
  color: #ffffff;
  font-weight: 600;
  width: 100%;
  height: 49px;
  line-height: 49px;
}
.sel_bt_right>a{
  display: block;
  width: 100%;
  height: 49px;
  line-height: 49px;
  color: #999999;
  text-align: right;
}
.sel_list{
  width: 100%;
  min-height: 200px;
  padding: 0 15px;
}
.sel_btn{
  width: 100%;
  padding: 35px 0;
}
.sel_btn>div{
  width: 50%;
  height: 175px;
}
.sel_btn_right{
  text-align: right;
}
.footer{
  width: 100%;
  background: #666666;
}
.footer_box{
  width: 1100px;
  height: 135px;
  padding: 14px 0;
  margin: 0 auto;
}








/*媒体查询*/
@media screen and (max-width: 1100px) {
  .sel{
    width: 99%;
    margin: 0 auto;
  }
  .sel_bt{
    width: 100%;
    height: 49px;
    background: url("zfkjzdssnwwdzl_bt.png") no-repeat;
  }
  .sel_btn{
    width: 100%;
    padding: 35px 40px;
  }
  .sel_btn>div{
    width: 50%;
    height: 140px;
  }
  .footer_box{
    width: 100%;
    height: 135px;
    padding: 14px 0;
    margin: 0 auto;
  }
  .sel_btn_left img,.sel_btn_right img{
    width: 90%;
  }
}