@font-face {
  font-family: 'SourceHanSansCN';
  src: url('../fonts/SourceHanSansCN-Regular.otf');
  font-size: 16px;
  font-weight: normal;
}
* {
  margin: 0;
  padding: 0;
  outline: none;
  text-decoration: none;
}
a {
  color: #ffffff;
}
ul {
  list-style: none;
}
body {
  /* width: 1200px; */
  margin: 0 auto;
  font-family: 'SourceHanSansCN', 'Arial', 'Microsoft YaHei', '黑体', '宋体', sans-serif;
  font-size: 16px;
}
button {
  cursor: pointer;
  font-family: 'SourceHanSansCN', 'Arial', 'Microsoft YaHei', '黑体', '宋体', sans-serif;
}
.clearfix {
  display: block;
}
.clearfix::after {
  display: block;
  content: '';
  clear: both;
}
/* top */
.top {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 70px;
  padding: 20px 0;
  z-index: 9;
}
.top .logo {
  width: 291px;
  height: 68px;
  margin-left: 5.8%;
  float: left;
  background-image: url(../img/logo.png);
  background-size: 100%;
  background-repeat: no-repeat;
}
.top .menu {
  float: right;
}
.top .menu::after {
  clear: both;
  content: '';
  display: block;
}
.top .menu li {
  float: left;
}
.top .menu li a {
  position: relative;
  display: inline-block;
  padding: 24px 20px;
  border-bottom: 0px solid #000;
  overflow: hidden;
}
.top .menu li a::before {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 100%;
  width: 0;
  border-bottom: 4px solid #ffffff;
  transition: 0.3s all linear;
}
.top .menu li a:hover::before {
  width: 100%;
  left: 0;
  z-index: -1;
}
.top .menu li a.active::before {
  content: '';
  left: 0;
  width: 100%;
  border-bottom: 4px solid #ffffff;
}
.top .menu li:hover ~ li a:before {
  left: 0;
}
.top .hotline {
  background: url(../img/hot_icon.png) 25px 25px no-repeat;
  background-position: 330px;
  padding: 24px 110px 24px 164px;
  float: right;
  color: #fff;
}
.top.fixed {
  position: fixed;
  background-color: #fff;
  box-shadow: 0 0 11px -5px #000;
}
.top.fixed .logo {
  background-image: url(../img/logo-2.png);
}
.top.fixed .menu li a {
  color: #0e0d0d;
}
.top.fixed .menu li a:hover {
  color: #2766e9;
}
.top.fixed .menu li a.active {
  color: #2766e9;
}
.top.fixed .menu li a::before {
  content: '';
  border-bottom: 4px solid #2766e9;
}
.top.fixed .hotline {
  background: url(../img/hot_icon-2.png) 25px 25px no-repeat;
  background-position: 330px;
  padding: 24px 110px 24px 164px;
  color: #0e0d0d;
}
.top::after {
  clear: both;
  content: '';
  display: block;
}
/* top */
/* footer */
.footer {
  text-align: center;
  background-color: #000;
  color: #ffffff;
}
.footer .list {
  height: 80px;
  width: 100%;
  /* border-bottom: 1px solid rgba(255, 255, 255, 0.5); */
}
.footer .list li {
  display: inline-block;
  line-height: 80px;
}
.footer .list li a {
  font-size: 20px;
  padding-left: 30px;
}
.footer .list li a::after {
  content: '';
  padding-left: 30px;
  border-right: 1px solid rgba(255, 255, 255, 0.5);
}
.footer .copyright {
  font-size: 16px;
  height: 75px;
  line-height: 75px;
}

.a_box{
    padding-bottom: 20px;
    border-bottom: 1px solid #ccc;
}

.a_to{
    display: inline-block;
    margin-left:8px;
    text-decoration: underline;
}
/* end footer */