#header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100000;
    background: #ffffff;
}

#header .header-top {
    display: flex;
    align-items: center;
}

.header-top .search {
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-top .search .btn {
    background: #f5f7fa;
    color: #909399;
    border: 1px solid #dcdfe6;
    padding: 0 20px;
    white-space: nowrap;
    height: 40px;
    display: flex;
    align-items: center;
    font-size: 14px;


}

.header-top .search .btn img {
    height: 18px;
    width: 18px;
}

.header-top .search input {
    height: 42px;
    border: 1px solid #dcdfe6;
    border-right: none;
    border-left: none;
    font-size: 14px;
    width: 30vh;
    padding-left: 10px;
    box-sizing: border-box;
    outline: none;
}

.header-top .search .btn .icon {
    height: 14px;
    width: 14px;
    margin-right: 5px;
}

#header .header-bottom {
    background: #1fb37c;
    height: 50px;
    display: flex;
    justify-content: center;
}

.header-bottom .nav {
    line-height: 50px;
    display: flex;
    justify-content: center;
}

.header-bottom .nav .item {
    text-align: center;
}
.header-bottom .nav .active{
    background: red!important;
}
.header-bottom .nav .item a{
    text-decoration: none;
    color: #ffffff;
    display: block;
    font-size: 15px;
}
.header-bottom .nav .item:hover{
    background: #198f63;
}
.header-bottom .nav .active{
    background: #198f63!important;
}