#search {
    overflow: hidden;
    display: none;
}

#search-mobile {
    overflow: hidden;
    overflow: hidden;
    width: 85%;
    margin: 0 auto;
    /* 垂直居中 */
    position: relative;
    top: 50%;
    transform: translateY(-50%);
}

#in {
    display: none;
}

#in-mobile{
    width: 81%;
    height: 11.2vw;
    border: 0 solid transparent;
    outline: none;
    font-size: 4.4vw;
    padding: 0 0.5vw;
    display: block;
    float: left;
}

#btn_search{
    display: none;
}

#btn_search-mobile {
    background: #448ACA;
    width: 17%;
    height: 11.2vw;
    color: white;
    border: none;
    outline: none;
    font-size: 3.9vw;
    display: block;
    float: left;
    cursor: pointer;
}

#btn_search-mobile:active {
    background: #3E4855;
}


#banner {
    display: none;
    overflow: hidden;
}

#banner-mobile{
    width: 100%;
    height: 37vw;
    background-size: 100%;
    margin-top: 60px;
    background-repeat: no-repeat;
}

#div-content {
    width: 90%;
    height: auto;
    display: inline-block;
    text-align: start;
    margin-bottom: 40px;
}

#div-content-titile {
    font-size: 18px;
    padding: 18px 0;
    border-bottom: 1px #C9C9C9 solid;
}

#help-ul {
    list-style: none;
    padding: 0;
}

.help-li {
    font-size: 16px;
    margin: 9px 0;
    cursor: pointer;
}

.help-li :hover{
    color: #448ACA;
}

.help-li :active{
    color: #448ACA;
}