.nav-box {
    overflow: hidden;
    height: 60px;
    line-height: 60px;
    position: absolute;
    top: 0;
    width: 1200px;
    z-index: 999999;
    font-size: 14px;
}
.search-expend-box {
    width: 0;
    /* width: 244px; */
    height: 30px;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    transform: translate(-16px,48%);
}
.action-block {
    display: flex;
    float: right;
}
.action-block span {
    margin: 0 13px;
}
.search-img-show {
    display: inline-block;
}
.search-input-show {
    opacity: 1;
    width: 200px;
    transition: all 0.4s ease 0s;
}
.search-input-show label{
    margin-left:7px;
}
.search-input-hidden {
    opacity: 0;
    width: 0;
    transition: all 0.5s ease 0s;
}
.action-block span {
    margin: 0 12px;
    color:#333333;
}
.action-block span:last-child {
    margin-right: 0;
}