.sousuolan{
    position: absolute;
    top: 150px;
    left: 50%;
    width: 600px;
    height: 40px;
    margin-left: -300px;
}
.sousuolan .sousuokuang{
    padding:0 40px 0 15px;
}
.sousuokuang{
    position: absolute;
    top: 0;
    left: 150px;
    width: 300px;
    height: 40px;
    border-radius: 16px;
    background-color:rgba(255, 255, 255,0.5);
    border: 1px solid transparent;
    transition: all 0.2s linear;
    transform-origin:center center;
}
.sousuolan:hover .sousuokuang{
    /* transform:translateX(-150px) scaleX(1); */
    background-color:rgba(255, 255, 255,0.8);
    /* width: 600px; */
    border: 1px solid transparent;
}

.sousuokuang:focus{
    /* transform:translateX(-150px) scaleX(1); */
    background-color:rgba(255, 255, 255,0.8);
    /* width: 600px; */
    border: 1px solid transparent;
}
.baidu{
    position: absolute;
    top: 0px;
    right: 150px;
    width: 40px;
    height: 40px;
    border-radius: 19px;
    font-family:'icomoon' !important;
    font-size: 20px;
    transition: all 0.2s linear;
    background-color: transparent;
    cursor:pointer;
}
/* .sousuolan:hover .baidu{
    right: 0;
} */
.sousuokuang:focus .baidu{
    right: 0;
}