#head {
  height: 4.8958vw;
}
.head {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 2000;
  background: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(130px);
}
.head .nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 7.3958vw;
}
.head .nav .logo_nav_box {
  flex: 1;
  display: flex;
  align-items: center;
}
.head .nav .logo_nav_box .logo img {
  width: auto;
  height: auto;
  max-width: 100px;
  max-height: 100px;
}
.head .nav .logo_nav_box .nav_list {
  margin-left: 5.2083vw;
  flex: 1;
  display: flex;
}
.head .nav .logo_nav_box .nav_list ul.nav_list_cont {
  display: flex;
}
.head .nav .logo_nav_box .nav_list ul.nav_list_cont > li {
  height: 4.8958vw;
  padding: 0 1.25vw;
}
.head .nav .logo_nav_box .nav_list ul.nav_list_cont > li > a {
  box-sizing: border-box;
  display: flex;
  align-items: center;
  height: 100%;
   font-size: 0.7292vw;
  font-weight: 400;
  color: #000;
}
.head .nav .logo_nav_box .nav_list ul.nav_list_cont > li:hover > a {
  position: relative;
}
.head .nav .logo_nav_box .nav_list ul.nav_list_cont > li:hover > a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  width: 100%;
  background-color: #1c9765;
}
.head .nav .logo_nav_box .nav_list ul.nav_list_cont > li:hover .navigation {
  display: block !important;
}
.head .nav .search {
  display: flex;
  align-items: center;
  padding-right: 0.8854vw;
  width: 15vw;
  height: 2.8125vw;
  background: #f6f7fb;
  border-radius: 0.4688vw;
  border: 0.1042vw solid #016450;
}
.head .nav .search .search_ipt {
  flex: 1;
  height: 100%;
}
.head .nav .search .search_ipt input {
  color: #016450;
  /* font-size: 0.9375vw; */
  width: 100%;
  height: 100%;
  border: none;
  outline: none;
  padding-left: 0.8333vw;
  background-color: inherit;
}
.head .nav .search .search_ipt input::-webkit-input-placeholder {
  color: #016450;
}
.head .nav .search .search_ipt input::-moz-placeholder {
  color: #016450;
}
.head .nav .search .search_ipt input::-moz-placeholder {
  color: #016450;
}
.head .nav .search .search_ipt input::-ms-input-placeholder {
  color: #016450;
}
.head .nav .search .search_ipt input::-ms-input-placeholder {
  color: #016450;
}
.head .nav .search .search_icon {
  margin-left: 0.5208vw;
}
.head .nav .search .search_icon img {
  width: 1.5625vw;
}
.head_classification {
  display: none;
}
@media screen and (max-width: 900px) {
  .head .nav {
    padding: 0 4.3958vw;
  }
}
@media screen and (max-width: 800px) {
  .head .nav {
    padding: 0 2.3958vw;
  }
}
@media screen and (max-width: 750px) {
  #head {
    height: 54px;
  }
  #head .nav {
    background-color: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 9px 15px;
  }
  #head .nav .logo_nav_box {
    flex: 0;
    display: flex;
    align-items: center;
  }
  #head .nav .logo_nav_box .logo img {
    width: 33px;
  }
  #head .nav .logo_nav_box .nav_list {
    display: none;
  }
  #head .nav .search {
    margin-left: 15px;
    flex: 1;
    display: flex;
    align-items: center;
    width: auto;
    height: 36px;
    border-radius: 8px;
    padding-right: 0;
    transition: all 300ms;
  }
  #head .nav .search .search_ipt {
    flex: 1;
    height: 100%;
  }
  #head .nav .search .search_ipt input {
    font-size: 14px;
    width: 100%;
    height: 100%;
    border: none;
    outline: none;
    padding-left: 15px;
    background-color: inherit;
  }
  #head .nav .search .search_icon {
    margin-left: 14px;
    margin-right: 12px;
  }
  #head .nav .search .search_icon img {
    width: 24px;
  }
  #head .nav .head_classification {
    display: none;
    margin-left: 15px;
  }
  #head .nav .head_classification img {
    width: 26px;
  }
}