.noSize {
  font-size: 0;
  text-indent: -9999em;
}
.flex {
  display: -webkit-box;
  /* OLD - iOS 6-, Safari 3.1-6 */
  /* OLD - Firefox 19- (buggy but mostly works) */
  display: -ms-flexbox;
  /* TWEENER - IE 10 */
  display: -webkit-flex;
  /* NEW - Chrome */
  display: flex;
  /* NEW, Spec - Opera 12.1, Firefox 20+ */
}
.main-nav {
  width: 1920px;
  position: absolute;
  left: 50%;
  top: 0;
  z-index: 99;
  margin-left: -960px;
}
.main-nav:after {
  content: '';
  display: block;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: #fafdff;
}
.main-nav .nav-box {
  width: 1200px;
  margin: 0 auto;
  display: -webkit-box;
  /* OLD - iOS 6-, Safari 3.1-6 */
  /* OLD - Firefox 19- (buggy but mostly works) */
  display: -ms-flexbox;
  /* TWEENER - IE 10 */
  display: -webkit-flex;
  /* NEW - Chrome */
  display: flex;
  /* NEW, Spec - Opera 12.1, Firefox 20+ */
  /* 09版 */
  -webkit-box-pack: center;
  /* 12版 */
  -webkit-justify-content: center;
  -moz-justify-content: center;
  -ms-justify-content: center;
  -o-justify-content: center;
  -ms-flex-pack: center;
      justify-content: center;
}
.main-nav .nav-box .nav-box-a {
  display: block;
  position: relative;
  width: 163px;
  height: 72px;
  line-height: 72px;
  text-align: center;
  font-family: "fzltzhjt";
  font-size: 27px;
  color: #fff;
}
.main-nav .nav-box .nav-box-a:after {
  position: absolute;
  content: '';
  right: 0;
  top: 50%;
  width: 2px;
  height: 24px;
  background: url(https://uno.res.netease.com/pc/gw/20200102192412/img/sprite-65970f_65970f22.png) no-repeat;background-size:2px 24px;
background-position:-0px -0px;

  margin-top: -12px;
}
.main-nav .nav-box .nav-box-a:last-child:after {
  display: none;
}
.main-nav .nav-box .nav-box-a:hover,
.main-nav .nav-box .nav-box-a.active {
  width: 163px;
  height: 72px;
  background: #3abbff;
}
.main-nav .main-nav-sharegp {
  position: absolute;
  right: 50%;
  margin-right: -660px;
  top: 0;
}
.main-nav .main-nav-sharegp .sharebtn {
  display: block;
  width: 40px;
  height: 34px;
  background: transparent;
  border: none;
  opacity: 0.8;
}
.main-nav .main-nav-sharegp .sharebtn:hover {
  opacity: 1;
}
.main-nav .main-nav-sharegp .wcshare {
  background: url(https://uno.res.netease.com/pc/gw/20200102192412/img/wechat2_94efc3cd.png) no-repeat center center;
}
.main-nav .main-nav-sharegp .wcshare:hover {
  background: url(https://uno.res.netease.com/pc/gw/20200102192412/img/wechat3_17ed1384.png) no-repeat center center;
}
.main-nav .main-nav-sharegp .wbshare {
  background: url(https://uno.res.netease.com/pc/gw/20200102192412/img/weibo2_492c5a75.png) no-repeat center center;
}
.main-nav .main-nav-sharegp .wbshare:hover {
  background: url(https://uno.res.netease.com/pc/gw/20200102192412/img/weibo3_c65a0201.png) no-repeat center center;
}
.main-nav .main-nav-sharegp .sharebtn-line {
  display: block;
  height: 1px;
  width: 23px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.5);
}
.main-nav .main-nav-sharegp .code-bg {
  position: absolute;
  right: 42px;
  top: 5px;
  width: 135px;
  height: 146px;
  background: url(https://uno.res.netease.com/pc/gw/20200102192412/img/code-bg_a39247e0.png) no-repeat;
}
.main-nav .main-nav-sharegp .code-bg img {
  display: block;
  font-size: 0;
  width: 105px;
  height: 105px;
  margin: 13px 0 0 13px;
}
.main-nav .main-nav-sharegp .code-bg .code-name {
  height: 24px;
  margin-top: 4px;
  line-height: 24px;
  text-align: center;
  font-size: 12px;
  color: #fff;
}
.main-nav .main-nav-sharegp .code-bg.wbshare-code-bg {
  top: 40px;
}
@media screen and (max-width: 1520px) {
  .main-nav .main-nav-sharegp {
    right: 0;
  }
}