/* 底部 */
.header_nav .layui-icon-down:before{
  content: none;
}
.page {
    position: relative;
    min-width: 1500px;
    overflow: hidden;
    margin:auto 0;
}

.page_content{
  width:1400px;
  margin:auto;
}
.footer {
 background-color: #333333;
 height:700px;
 position: relative;
    overflow: hidden;
}
.footer_des{
  margin-top:80px;
  color: rgba(170, 170, 170, 1);
  font-size: 20px;
  font-family: PingFang-SC-Medium;
  font-weight: 500;
  white-space: nowrap;
  line-height: 20px;
  text-align: center;
}
.footer .contract-btn{
  background-color: rgba(42, 42, 42, 1) !important;
  border-radius: 10px;
  width: 220px;
  height: 60px;
  margin: 49px 0 0 0;
  font-size:22px;
  line-height:60px;
  color: #CCCCCC !important;
}

.footer .footer-line {
  background-color: rgba(42, 42, 42, 1);
  width: 1920px;
  height: 2px;
  margin-top: 80px;
}
.footer_content{
 margin-top:80px;
}
.footer_content_nav{
 width:160px;
 height:160px;
}
.footer_content_nav .title{
  color: rgba(204, 204, 204, 1);
  font-size: 18px;
  font-family: PingFang-SC-Medium;
  font-weight: 500;
  text-align: left;
  line-height: 40px;
}

.footer_content_nav .content{
  overflow-wrap: break-word;
  color: rgba(153, 153, 153, 1);
  font-size: 16px;
  font-family: PingFang-SC-Medium;
  font-weight: 500;
  text-align: left;
  line-height: 40px;
}

.footer_copyright {
  background-color: rgba(42, 42, 42, 1);
  height: 88px;
  position: relative;
  overflow: hidden;
  margin-top: 80px;
}

.footer_copyright_content {
    color: rgba(153, 153, 153, 1);
    font-size: 16px;
    font-family: PingFang-SC-Medium;
    font-weight: 500;
    text-align: left;
    white-space: nowrap;
    line-height: 16px;
    text-align:center;
    margin-top:36px;
}
.layui-fixbar li {
    width: 90px;
    height: 90px;
    line-height: 90px;
}
.layui-fixbar .layui-fixbar-top {
    font-size: 80px;
}
.footer_content_nav a{
 color:rgba(153, 153, 153, 1);
}
.footer_content_nav a:hover{
 color:rgba(153, 153, 153, 1);
}
.layui-fixbar li{
  border-radius: 15px;
}
.layui-fixbar-top{
background-image: url(https://www.zhsztech.com//images/back_to_top.svg);
background-size: 50px;
background-repeat: no-repeat;
background-position: center;
}
.layui-icon-top:before {
    content: "";
}