body{background-color: #000000;}
.about{margin-top: 140px;background-color: #000000;padding-bottom: 106px;overflow: hidden;}
.about .content{width: 80%;margin-top: 33px}
.about .content h3,.about .content p{color:#FFF;padding:0;margin:0;font-weight: 300;color:#FEFEFE;font-size:14px;}
.about .content h3{font-weight: 600;font-size:15px;}
.content-pdt{margin-top: 65px;}
.wenhua{background-color: #2A2F2F;padding-top: 60px;padding-bottom: 100px;margin-top: -120px;}
.wenhua .title{margin-bottom: 40px;}
.wenhua .content .info h3{color:#84C1EA;font-weight: 500;font-size:16px;padding:0;margin:0;line-height: 2}
.wenhua .content .info p{margin:0;padding:0;color:#FEFEFE;line-height: 2;}

@media screen and (max-width:640px){
    .about{margin-top: 50px;}
    .about .content{width: 100%;margin-bottom: 25px;}
}