.top-link {   position: relative;
    z-index: 1;  display: flex; margin-left: 0.48rem;
    justify-content: flex-end;
    align-items: center;}
.top-link a { display: block;
    font-size: 0.16rem;
    line-height: 0.3rem;
    color: #fff;
    opacity: 0.7;
    transition: all 0.5s;}
.top-link::before {
content: '';
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: -0.24rem;
    border-left: 1px solid rgba(216, 216, 216, 0.3);
    height: 0.21rem;
    z-index: -1;}
.top-link img {
vertical-align: middle;
    width: 0.2rem;
    margin-right: 0.08rem; opacity: .7;}
.top-link a:hover img { opacity: 1;}
/* style */