body{
    background-color: #f5f5f5;
}
body img{
    width: 100%;
}
.container_middle{
    margin-bottom: 160px;
}
.container_middle .lable{
    padding: 160px 0 80px 0;
    font-size: 40px;
    color: black;
    font-family: light;
}
.container_middle .content{
    padding: 150px;
    width: 100%;
    font-family: light;
    font-size: 18px;
    line-height: 30px;
}

.container_middle .title{
    margin-top: 50px;
}
.container_middle .title:first-child{
    margin-top: 0px;
}
.container_middle .c1{
    margin-left: 40px;
    color: #666;
}


@media (max-width:992px) {
    .container_middle .lable{
        padding: 80px 0 50px 0;
        font-size: 32px;
    }
    .container_middle .content{
        padding: 70px;
        width: 100%;
        font-family: light;
        font-size: 15px;
        line-height: 30px;
    }
}
@media (max-width:768px) {
    .container_middle .lable{
        padding: 80px 0 50px 0;
        font-size: 26px;
    }
    .container_middle .content{
        padding: 50px;
        width: 100%;
        font-family: light;
        font-size: 13px;
        line-height: 30px;
    }
}

@media (max-width:576px) {
    .container_middle .lable{
        padding: 60px 0 50px 0;
        font-size: 26px;
    }
    .container_middle .content{
        padding: 20px;
        font-size: 13px;
        line-height: 24px;
    }
    .container_middle .c1{
        margin-left: 30px;
    }
    .container_middle .title{
        margin-top: 30px;
    }
    .container_middle{
        margin-bottom: 100px;
    }
}