.partner_channel {
  text-align: center;
  margin-top: 150px;
}
.partner_channel li {
  display: inline-block;
  text-align: center;
  line-height: 65px;
  padding: 0 35px;
}
.partner_channel li a {
  font-size: 18px;
  cursor: pointer;
}
.partner_channel li.active {
  border-bottom: solid 3px #00428c;
}
.partner_channel li.active a {
  color: #00428c;
}
.partner_channel_img img {
  transition: all 0.6s;
}
.partner_channel_img img:hover {
  transform: scale(1.03);
}
.partner_block {
  margin-bottom: 120px;
  margin-top: 50px;
}
.partner_block div {
  text-align: center;
}
.partner_block .block {
  position: relative;
  text-align: center;
  display: inline-block;
  background: #fff;
  width: 160px;
  height: 160px;
  box-shadow: 2px -1px 12px #ddd;
  transform: rotate(45deg);
  margin: 0 42px;
  cursor: pointer;
  transition: 1.1s all;
}
.partner_block .block:hover {
  transform: rotate(-315deg);
}
.partner_block .block img {
  position: absolute;
  left: 0;
  display: none;
  max-width: 100%;
  transition: 0.5s all;
  transform: rotate(-45deg);
}
.partner_block .block.big {
  width: 284px;
  height: 284px;
}
.partner_block .line3 {
  margin-top: -95px;
  position: relative;
}
.partner_block .line3 .block {
  margin: 0 105px;
}
.partner_block .line2 {
  margin-top: -42px;
}
.partner_block .line2 .block {
  margin: 0 166px;
}
@media screen and (max-width: 1000px) {
  .partner_channel {
    margin-top: 90px;
  }
  .partner_channel li {
    display: block;
    line-height: 35px;
    height: 35px;
    width: 20%;
    float: left;
    padding: 0 ;
    margin-bottom: 10px;
  }
  .partner_channel li a {
    display: block;
    font-size: 16px;
  }
}