html{
    background-color: #f2f2f2;
}
.categoryNav{
    width: 90%;
}
.categoryNav>p a{
    font-size:18px;
    font-family:SegoeUI;
    font-weight:400;
    color:rgba(0,0,0,1);
}
.categoryNav>p .cDetail{
    font-size:18px;
    font-family:SegoeUI;
    font-weight:400;
    color:rgba(0,0,0,1);
}
.loginIntro{
    margin: 0 auto;
    padding:60px 0;
    text-align: center;
    width: 512px;
    font-size:16px;
    font-family:SegoeUI;
    font-weight:500;
}
.loginIntro li:nth-child(3){
    background: url('../imgs/usermanual/reg.png')no-repeat;
    filter:"progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod='scale')";
    width: 320px;
    height:640px;
    margin: 20px auto;
}

.loginIntro li:nth-child(6){
    background: url('../imgs/usermanual/login.png')no-repeat;
    filter:"progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod='scale')";
    width: 320px;
    height:640px;
    margin: 20px auto;
}
.loginIntro li:nth-child(1){
    line-height:60px;
    font-size:24px;
    margin-bottom: 20px;
    color:rgba(0,0,0,.9);
}
.loginIntro li:nth-child(2){
    color:rgba(0,0,0,.8);
    font-weight: 400;
}
.loginIntro .ft{
    color:rgba(0,0,0,.8);
    font-weight: 400;
 }

.loginIntro img{
    width: 320px;
    height:640px;
    margin: 30px 0;
}


@media screen and (max-width: 900px) {
    .container{
        width:100%;
        padding-top: 0px;
    }
    .loginIntro{
        width:90%;
        padding:30px 0;
        font-size: 14px;
    }
    .categoryNav .serach{
         width: 14px;
         height: 15px;
    }
    .categoryNav>p a{
        font-size: 14px;
    }
    .categoryNav>p .cDetail{
        font-size: 14px;
    }
    .loginIntro li:nth-child(3){
        width: 260px;
        height:516px;
        background-position: center;
        background-size: cover;
    }
    .loginIntro li:nth-child(6){
        width: 260px;
        height:516px;
        background-position: center;
        background-size: cover;
    }
    .loginIntro li:nth-child(1){
        line-height:40px;
        font-size:18px;
        font-weight:400;
    }
    /* .loginIntro .ft{
       font-weight:500;
    } */
}