.navigation_head {
  margin: 41px 0 30px 0;
}
.navigation_head span {
  font-size: 14px;
  font-weight: 400;
  color: #999;
}
.navigation_head span a {
  font-size: 14px;
  font-weight: 400;
  color: #999;
}
.navigation_head .text {
  font-size: 14px;
  font-weight: 400;
  color: #333;
  cursor: pointer;
}
.top {
  width: 100%;
  height: 1px;
  background: rgba(0, 0, 0, 0.1);
  border-radius: 0px 0px 0px 0px;
  opacity: 1;
}
.navigation_head .text:hover {
  color: #49B849;
}
.version {
  width: 1200px;
  margin: 0 auto;
}
.part7_cooperation a {
  display: block;
}
.part7_cooperation img {
  width: 209px;
  height: 49px;
  display: block;
  float: left;
  margin-right: 38px;
  transition: .5s;
  transition: all .5s ease;
  -webkit-transition: all .5s ease;
  -o-transition: all .5s ease;
  -moz-transition: all .5s ease;
  margin-bottom: 28px;
}
.part7_cooperation img:hover {
  transform: scale(1.1);
}
.part7_cooperation a:nth-child(5n) img {
  margin-right: 0;
}