.net_activity {
  position: fixed;
  top: 0;
  left: 0;
  background: rgba(0, 0, 0, .5);
  width: 100%;
  height: 100%;
  z-index: 9999999;
  display: none;
}
.net_activity_show {
  width: 1320px;
  height: 330px;
  background: url(../images/net_bg.png) no-repeat center;
  margin: auto;
  text-align: center;
  padding-top: 347px;
  position: relative;
  animation: showActivity .5s linear;
}
@keyframes showActivity {
  0% {
    transform: scale(.5);
  }
  100% {
    transform: scale(1);
  }
}
.net_activity_btn {
  position: absolute;
  display: block;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: transparent;
  top: 163px;
  right: 144px;
}
.net_activity_title {
  font-size: 19px;
  color: #a54801;
  margin-left: 71px;
}
.net_activity_detail {
  width: 856px;
  margin: 17px auto 0 272px;
}
.net_activity_detail:after {
  content: '';
  display: block;
  clear: both;
}
.net_activity_each {
  float: left;
  width: 214px;
}
.net_activity_each_name {
  color: #fffbe6;
  font-size: 14px;
}
.net_activity_each > img {
  margin-top: 54px;
}
.net_activity_each > img.net_activity_each_last {
  margin-top: 35px;
}
.net_activity_each_info {
  font-size: 12px;
  color: #5f5f5f;
  line-height: 18px;
  margin: 18px 0 0 18px;
  text-align: left;
}
.pop_activity {
  display: inline-block;
  width: 170px;
  height: 42px;
  background: url(../images/net_btn.png) no-repeat center;
  cursor: pointer;
}