.m-header .u-nav-wrap .item-o {
  position: relative;
  display: inline-block;
  vertical-align: top;
}

.m-header .u-nav-wrap .item-o > a {
  min-width: 60px;
  display: inline-block;
  vertical-align: top;
  text-align: center;
  font-size: 16px;
  line-height: 36px;
  color: rgba(51, 51, 51, 0.8);
}

.m-header .u-nav-wrap .item-o .sub {
  display: none;
  position: absolute;
  top: 36px;
  left: 50%;
  margin-left: -50px;
  width: 100px;
  box-shadow: 0px 0px 6px 0px rgba(0, 0, 0, 0.2);
  border-radius: 4px;
}

.m-header .u-nav-wrap .item-o .sub:before {
  content: '';
  position: absolute;
  top: -5px;
  left: 50%;
  width: 8px;
  height: 8px;
  transform: translate(-50%) rotate(45deg);
  box-shadow: 0px 0px 6px 0px rgba(0, 0, 0, 0.2);
  background: #fff;
}

.m-header .u-nav-wrap .item-o .sub .sub-bg {
  padding: 6px 0;
  position: relative;
  background-color: #ffffff;
  border-radius: 4px;
  overflow: hidden;
}

.m-header .u-nav-wrap .item-o .sub .sub-bg a {
  display: block;
  text-align: center;
  font-size: 16px;
  line-height: 22px;
  padding: 6px 0;
  font-weight: normal;
  color: #666666;
}

.m-header .u-nav-wrap .item-o .sub .sub-bg a:hover {
  color: #0091ff;
}

.m-header .u-nav-wrap .item-o .sub-o {
  text-align: left;
  display: none;
  position: absolute;
  top: 36px;
  left: 50%;
  transform: translate(-50%);
  width: 300px;
  background-color: #ffffff;
  box-shadow: 0px 0px 6px 0px rgba(0, 0, 0, 0.2);
  border-radius: 4px;
}

.m-header .u-nav-wrap .item-o .sub-o:before {
  content: '';
  position: absolute;
  top: -5px;
  left: 50%;
  width: 8px;
  height: 8px;
  transform: translate(-50%) rotate(45deg);
  box-shadow: 0px 0px 6px 0px rgba(0, 0, 0, 0.2);
  background: #fff;
}

.m-header .u-nav-wrap .item-o .sub-o .sub-o-bg {
  position: relative;
  background-color: #ffffff;
  border-radius: 4px;
  overflow: hidden;
  padding: 6px 0;
}

.m-header .u-nav-wrap .item-o .sub-o .sub-o-bg a {
  display: inline-block;
  vertical-align: top;
  height: 22px;
  line-height: 22px;
  padding: 6px 0;
  font-size: 16px;
  font-weight: normal;
  min-width: auto;
  color: #666666;
  margin: 0 19px;
}

.m-header .u-nav-wrap .item-o .sub-o .sub-o-bg a:hover {
  color: #0091ff;
}

.m-header .u-nav-wrap .item-o:hover > a {
  font-weight: bold;
  color: #333333;
  font-size: 18px;
  position: relative;
  top: -1px;
}

.m-header .u-nav-wrap .item-o:hover .dishover {
  font-weight: normal;
  color: rgba(51, 51, 51, 0.8);
  font-size: 16px;
  top: 0;
}

.m-header .u-nav-wrap .item-o:hover .sub {
  display: block;
}

.m-header .u-nav-wrap .item-o:hover .sub-o {
  display: block;
}

.m-header .search-wrap.short-search-wrap {
  width: 280px;
}

.m-header .search-wrap.short-search-wrap .search-box {
  width: 280px;
}

.m-header .search-wrap.short-search-wrap .search-box .search-box-bg {
  width: 280px;
}

.m-header .search-wrap.short-search-wrap .search-box .search-box-in {
  width: 190px;
}

.m-header .search-wrap.short-search-wrap .search-box .search-box-in .search-box-input {
  width: 146px;
}