.nav {
    background-color: #121212;
    width: 100%;
    height: 56px;
    z-index: 99;
    position: fixed;
    top: 0;
    z-index: 9999;
}

.nav .left-sidebar img {
    width: 135px;
}

.nav .nav-wrapper {
    width: 1200px;
    height: 56px;
    margin: 0 auto;
    display: flex;
    align-items: center;
}

.nav .center-sidebar {
    /* width: 699px; */
    height: 56px;
    flex: 1 1 0%;
}

.nav .center-sidebar ul {
    display: flex;
    height: 56px;
    align-items: center;
}

.nav .center-sidebar ul li {
    margin: 0 0 0 44px;
}

.nav .center-sidebar ul li a {
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    font-family: PingFangSC;
    transition: all 0.2s;
}

.nav .center-sidebar ul li a:hover{
    color: #088167;
    padding: 0 0 5px 0;
    border-bottom: 2px solid #088167;
    transition: all 0.2s;
}
.nav .current-active {
    color: #088167 !important;
    padding: 0 0 5px 0;
    border-bottom: 2px solid #088167;
    transition: all 0.2s;
}

.nav .right-sidebar {
    height: 26px;
    /* background-color: aliceblue; */
    display: flex;
}

.nav .right-sidebar .searchbar {
    width: 168px;
    display: flex;
    align-items: center;
    border: 1px solid #575757;
    border-radius: 14px;
}

.nav .right-sidebar .searchbar input {
    width: 130px;
    background: #121212;
    outline: none;
    border: none;
    padding: 0 0 0 15px;
    color: #fff;

}

.nav .right-sidebar .searchbar input::placeholder {
    font-size: 10px;
    color: #999999;
    line-height: 14px;
}

.nav .right-sidebar .searchbar .search {
    width: 37px;
    border: 1px solid #575757;
    border-radius: 0px 100px 100px 0px;
    line-height: 24px;
    text-align: center;
}

.nav .right-sidebar .searchbar .search img {
    line-height: 26px;
}

.nav .right-sidebar .loginbar {
    width: 63px;
    line-height: 26px;
    margin: 0 11px 0 15px;
}

.nav .right-sidebar .loginbar ul {
    display: flex;
    align-items: center;
    color: rgba(255, 255, 255, 0.8);
}

.nav .right-sidebar .loginbar ul li a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 12px;
}

.nav .right-sidebar .user {
    line-height: 26px;
    position: relative;
}
.nav .right-sidebar .user:hover .dropdown-item {
    display: block;
}
.dropdown-item {
    position: absolute;
    top: 26px;
    left: 0;
    width: 80px;
    background-color: #121212;
    text-align: center;
    font-size: 14px;
    cursor:pointer;
    padding-top: 18px;
    padding-bottom: 6px;
    display: none;
    color: #fff;
}

.nav .right-sidebar .user ul {
    display: flex;
    align-items: center;
    color: rgba(255, 255, 255, 0.8);
}

.nav .right-sidebar .user ul li {
    margin-left: 5px;
    font-size: 10px;
    position: relative;
}

.nav .center-sidebar ul .drop {
    height: 56px;
    line-height: 56px;
}

.nav .center-sidebar ul .drop .dorpmenu {
    height: 0;
    position: absolute;
    top: 55px;
    left: 0;
    background-color: #121212;
    height: 176px;
    display: none;
    overflow: hidden;
    animation-duration: 0.5s;
}

.nav .center-sidebar ul .drop:hover .dorpmenu {
    display: block;
    top: 55px;
    width: 100%;
    /* animation: wrapper-gradient 2s linear; */
    animation-name: frames;
    animation-duration: 0.6s;
}

@keyframes wrapper-gradient {
    0% {
        transform: translateY(0%);
    }

    1% {
        transform: translateY(10%);
    }
}
@keyframes frames{
    from{
      height: 0px;
    }
    to{
      height: 176px;
    }
  }

.nav .center-sidebar ul .drop .dorpmenu .content {
    width: 1104px;
    margin: 0 auto;
    padding: 0 0 0 0;
    display: flex;
}
.nav .center-sidebar ul .drop .dorpmenu .submenu-one {
    width: 300px;
    height: 176px;
    display: inline-block;
    font-family: PingFang-SC, PingFang-SC;
    font-size: 16px;
    line-height: 32px;
    margin: 0 0 0 65px;
}
.nav .center-sidebar ul .drop .dorpmenu .submenu-one li {
    white-space: nowrap;
    display: inline-block;
    width: 100px;
}

.nav .center-sidebar ul .drop .dorpmenu .submenu-two {
    display: inline-block;
    font-family: PingFang-SC, PingFang-SC;
    font-size: 16px;
    line-height: 32px;
}