.bg{
    background: url(../img/bgp/banner.png) no-repeat center;
}

.server{
    overflow: hidden;
}
.server .head-title{
    margin-top: 61px;
}
.server .btn-container .btn2{
    width: 260px;
}

.advantage{
    overflow: hidden;
}
.advantage .head-title{
    margin: 55px 0 67px 0;
}
.advantage-box .item{
    width: 386px;
    height: 330px;
    background: #FFFFFF;
    border: 1px solid #D9D6D6;
    text-align: center;
    padding: 35px;
}
.advantage-title{
    height: 21px;
    font-size: 24px;
    font-weight: 700;
    color: #333333;
    line-height: 21px;
    margin: 30px 0 22px 0;
}
.advantage-info{
    font-size: 16px;
    
    color: #575757;
    line-height: 28px;
    text-align: left;
}

.change{
    overflow: hidden;
}
.change .head-title{
    margin: 69px 0 87px 0;
}
.change .change-box .item{
    width: 386px;
    height: 459px;
    background: #FFFFFF;
    box-shadow: 0px 0px 20px 0px rgba(255, 105, 105, 0.07);
    border-radius: 10px;
    padding: 18px;
    margin-bottom: 69px;
}
.change .change-title{
    font-size: 24px;
    font-weight: 700;
    color: #333333;
    margin: 20px 0 30px 0;
}
.change .change-info{
    font-size: 16px;
    
    color: #575757;
    line-height: 28px;
}
.characteristic-service .head-title{
    margin-top: 0;
}