main{
    padding: 0 30px;
}
main .concat_phone {
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #333333;
    border-radius: 40px;
    padding: 20px 0px;
    width: 100%;
    margin-bottom: 30px;
    font-size: 28px;
    font-weight: bold;
}
main .concat_phone img {
    width: 35px;
    height: 35px;
}
header .back{
    background: #00ADFF;
    color: #fff;
    line-height: 3;
    font-size: 20px;
    padding: 0 30px;
}
header .back a{
    color: #fff;
}
 header .nav{
    display: flex;
    align-items: center;
    font-size: 16px;
    color: #999;
    margin-top: 20px;
    padding: 10px 30px;
 }
 header .nav a{
    color: #999;
 }
 header .nav h2{
    font-size: 16px;
    font-weight: 500;
 }
main .detail{
    margin: 0 0 30px;
}
main .detail h1{
    text-align: center;
    line-height: 3;
    font-size: 24px;
    color: #00ADFF;
}
main .detail .text{
    font-size: 16px;
    text-align: justify;
    font-weight: 500;
    line-height: 1.6;
}
main .labels{
    color: #555;
    line-height: 2;
    font-size: 14px;
}
main .next{
    margin-top: 30px;
    color: #555;
    line-height: 2;
    font-size: 14px;
}
main .recommend{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-top: 30px;
}
main .recommend .item{
    width: 47%;
    margin-bottom: 30px;
}
main .recommend .item img{
    width: 100%;
    border-radius:10px;
}
main .recommend .item .name{
    font-size: 15px;
    line-height: 2;
    font-weight: 500;
}
/* 媒体查询 - 移动端 */
@media screen and (max-width: 767px) {
    main .concat_phone {
        width: 100%;
        font-size: 20px;
        padding: 10px 0;
    }
    main .concat_phone img {
        width: 25px;
        height: 25px;
    }
    main .detail h1{
        font-size: 20px;
    }
}