/* 底部外链 */
.footer {
  width: 100%;
  background: #333333;
  margin-top: 80px;
}

.footer-content {
  width: 1200px;
  margin: 0 auto;
  position: relative;
  padding: 40px 0 43px 0;
}

.footer-line {
  width: 100%;
  height: 1px;
  background: #5c5c5c;
}

.footer-link {
  margin: 22px auto 0 auto;
  width: 1200px;
  text-align: center;
  padding-bottom: 22px;
}

.footer-link-item {
  height: 20px;
  font-size: 12px;
  color: #bbbbbb;
  line-height: 20px;
}

.footer-item {
  height: 30px;
  overflow: hidden;
}

.footer-item-open {
  height: auto;
}

.footer-item-open .open-info {
  display: none;
}

.footer-item-open .close-info {
  display: block;
}

.footer-item-title {
  float: left;
  height: 22px;
  font-size: 14px;
  color: #ffffff;
  line-height: 22px;
}

.footer-item-list {
  float: left;
  margin-left: 24px;
  width: calc(100% - 135px);
}

.f-list-item {
  height: 22px;
  font-weight: 400;
  font-size: 14px;
  color: #aca8a8;
  line-height: 22px;
  float: left;
  margin-right: 20px;
  margin-bottom: 8px;
  cursor: pointer;
}

.f-list-item:hover,
.f-list-item:active {
  color: #ffffff;
}

.footer-open {
  float: left;
  cursor: pointer;
  display: none;
}

.footer-open img {
  float: left;
  width: 14px;
  height: 14px;
  margin-top: 4px;
  margin-left: 4px;
}

.open-title {
  height: 22px;
  font-weight: 400;
  font-size: 14px;
  color: #aca8a8;
  line-height: 22px;
  float: left;
}

.open-hover {
  display: none;
}

.open-info:hover .open-title {
  color: #ffffff;
}

.open-info:hover .open-hover {
  display: inline-block;
}

.open-info:hover .open-arrow {
  display: none;
}

.close-info {
  display: none;
}

.close-hover {
  display: none;
}

.close-info:hover .open-title {
  color: #ffffff;
}

.close-info:hover .close-hover {
  display: inline-block;
}

.close-info:hover .close-arrow {
  display: none;
}