.footer {
  width: 100%;
  min-width: 1200px;
  height: 271px;
  background-color: #1b55a4;
}
.footer .link_main {
  width: 100%;
  min-width: 1200px;
  height: 125px;
  border-bottom: 1px solid #ffffff;
}
.footer .link {
  width: 1200px;
  margin: 0 auto;
}
.footer .link > li {
  margin-top: 45px;
  margin-left: 40px;
  float: left;
  width: 40px;
  height: 44px;
  font-size: 20px;
  font-weight: bold;
  color: #ffffff;
  margin-right: 13px;
}
.footer .link > div {
  margin-top: 45px;
  position: relative;
  float: left;
  width: 344px;
  height: 53px;
  text-align: center;
  border: 1px solid #ffffff;
  margin-left: 17px;
  box-sizing: initial;
}
.footer .link > div > span {
  cursor: pointer;
  display: block;
  line-height: 36px;
  color: #fff;
  font-size: 15px;
  line-height: 53px;
  font-size: 16px;
}
.footer .link > div > img {
  position: absolute;
  right: 20px;
  top: 21px;
  transform: rotateZ(0);
  transition: transform 0.3s;
}
.footer .link .list {
  max-height: 290px;
  overflow-y: auto;
  z-index: 99;
  box-sizing: border-box;
  position: absolute;
  bottom: 54px;
  left: 0;
  width: 1200px;
  display: none;
  padding: 30px 50px;
  background-color: #1b55a4;
  opacity: 0.8;
  overflow: hidden;
}
.footer .link .list a {
  padding: 10px 0;
  float: left;
  width: 23%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: #fff;
  margin: 0 10px;
  font-size: 16px;
  text-align:left;
}
.footer .link > div.show .list {
  display: block;
  margin: 0 auto;
}
.footer .link .link3 .list {
  left: -110px;
}
.footer .link .link4 .list {
  left: -475px;
}
.footer .link .link5 .list {
  left: -835px;
}
.footer_content {
  margin-top: 30px;
  text-align: center;
  font-size: 16px;
  color: #ffffff;
}
.footer_content div {
  margin-top: 10px;
}
.footer_content div span {
  margin-right: 15px;
}
.footer_content a {
  color: #fff;
}