.header_wrap{
      position: fixed;
  top: 0;
  left: 0;
  right: 0;
    background-color: white;
      box-shadow: 0 0 10px #ccc;
        z-index: 999;
}
.header {

  margin: auto;
  height: 72px;
  display: flex;
  justify-content: space-between;
  align-items: center;



  width: 1440px;
}
.header img {
  height: 100%;
  width: auto;
}
.header ul {
  display: flex;
}
.header ul li {
  font-size: 18px;
  padding: 20px;
  color: black;
  position: relative;
}
.header ul li .hide {
  position: absolute;
  top: 70px;
  left: -10%;
  width: 120%;
  display: none;
  transition: 0.3s;
}
.header ul li .hide div {
  text-align: center;
  border-bottom: 1px solid #e2c4c3;
  line-height: 55px;
  background-color: white;
}
.header ul li .hide div:nth-last-of-type(1) {
  border: none;
}
.header ul li .hide div:hover {
  background-color: #f15921;
  color: white;
}
.header ul li > a {
  height: 35px;
  line-height: 35px;
  display: block;
  transition: all 0.2s;
  white-space: nowrap;
}
.header ul li > a:hover {
  color: #f15921;
  border-bottom: 2px solid #f15921;
}
.header ul li:hover .hide {
  display: block;
  z-index: 99999;
}
.header .search {
  background-color: #f15921;
  height: 40px;
  width: 40px;
  cursor: pointer;
}
.header .search_popup {
  position: fixed;
  top: 20%;
  left: 0;
  right: 0;
  margin: auto;
  z-index: 99;
  display: flex;
  justify-content: center;
}
.header .search_popup .wrap {
  width: 720px;
  height: 50px;
  background-color: white;
  border-radius: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.header .search_popup .wrap .left {
  border-right: 1px solid #dbdbdb;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  position: relative;
  padding: 0 12px;
}
.header .search_popup .wrap .left .search-options-popup {
  position: absolute;
  border-radius: 4px;
  top: 60px;
  background-color: white;
  left: 0;
  right: 0;
  padding: 5px 0;
}
.header .search_popup .wrap .left .search-options-popup li {
  line-height: 34px;
  text-align: center;
}
.header .search_popup .wrap .left .search-options-popup li:hover {
  background-color: rgb(245, 247, 250);
}
.header .search_popup .wrap img {
  height: 20px;
}
.header .search_popup .wrap .center{
    flex: 1;
}
.header .search_popup .wrap .center input {
  width: 100%;
  padding: 0 0 0 10px;
  font-size: 14px;
}
.header .search_popup .wrap .center input::placeholder {
  font-size: 14px;
}
.header .search_popup .wrap .right {
  width: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.header .search_popup .wrap .right img {
  height: 14px;
}
.xuanzhong_options {
  color: #f15921;
  font-weight: bold;
}