.content {
    padding: .39rem 17%;
    box-sizing: border-box;
    background-color: #fff;
}
.gray{
    background-color: #f5f6f9;
}
.introduction p{
    text-indent: .3rem;
}

.logo-list {
    padding: .2rem 0;
}

.logo-list .col-md-3 {
    padding: 0 .1rem;
}

.logo-list .img-list {
    width: 100%;
    height: 1.17rem;
    background-color: #fff;
    box-shadow: 0px .04rem .14rem .02rem rgba(171, 176, 190, 0.24);
    border-radius: .05rem;
    padding: .15rem 0;
    box-sizing: border-box;
    text-align: center;
    margin-bottom: .2rem;
}

.logo-list img {
    height: 100%;
}
.code{
    background-color: #fff;
    box-shadow: 0px .04rem .14rem .02rem rgba(171, 176, 190, 0.24);
    border-radius: .05rem;
    padding: .2rem;
    margin-top: .2rem;
}
.code div{
    float: left;
    width: calc(100% - 1.2rem);
}
.code img{
    float: right;
    width: 1.1rem;
}
.code div p:nth-child(1){
    font-size: .18rem;
    font-weight: bold;
}
.code div p{
    color: #444444;
    font-size: .12rem;
    margin-bottom: .08rem;
}