.header {
    left: 0;
    right: 0;
    background: white;
    color: #ffffff;
    height: 92px;
    transition: all .15s ease-in-out;
    z-index: 10;
    position: sticky;
    top: 0
}

.header.transbk {
    position: fixed;
    background: transparent
}

.header .headerline {
    height: 92px;
    position: absolute;
    width: 100%
}

.header .headerline.headerline2 {
    color: #00001C;
    opacity: 0;
    z-index: 0
}

.header .headerline.headerline2 .tabline .tabitem.active:after {
    content: '';
    width: 32px;
    height: 1px;
    background: #00001C;
    position: absolute;
    bottom: 2px;
    left: calc(50% - 16px)
}

.header .headerline.headerline2 .tabline .tabitem:hover {
    font-weight: 500;
    position: relative
}

.header .headerline.headerline2 .tabline .tabitem:hover:after {
    content: '';
    width: 32px;
    height: 1px;
    background: #00001C;
    position: absolute;
    bottom: 2px;
    left: calc(50% - 16px)
}

.header .headerline .pagelogo {
    width: 408px;
    height: 40px;
    cursor: pointer;
}

.header .headerline .tabline .tabitem {
    font-family: "PingFang SC";
    font-weight: 300;
    font-size: 16px;
    padding: 6px 20px;
    cursor: pointer
}

.header .headerline .tabline .tabitem.active {
    font-weight: 500;
    position: relative
}

.header .headerline .tabline .tabitem.active:after {
    content: '';
    width: 32px;
    height: 1px;
    background: white;
    position: absolute;
    bottom: 2px;
    left: calc(50% - 16px)
}

.header .headerline .tabline .tabitem:hover {
    font-weight: 500;
    position: relative
}

.header .headerline .tabline .tabitem:hover:after {
    content: '';
    width: 32px;
    height: 1px;
    background: white;
    position: absolute;
    bottom: 2px;
    left: calc(50% - 16px)
}