.about1 {
    margin: 60px 0;
}

.about1 dt {
    width: 886px;
    height: 368px;
    float: left;
    overflow: hidden;
    margin-bottom: 30px;
}

.about1 dt img {
    width: 887px;
    height: 368px;
    display: block;
}

.about1 dd {
    width: 248px;
    height: 238px;
    overflow: hidden;
    float: right;
    margin-top: 45px;
    padding: 45px 0 0 64px;
    border: 2px solid #df8938;
    border-left: 0;
}

.about1 dd h3 {
    font: 20px "Times New Roman", Times, serif;
    text-transform: uppercase;
    color: #333;
}

.about1 dd h3 em {
    display: block;
    font-size: 50px;
    font-weight: bold;
    font-style: normal;
}

.about1 dd span {
    display: block;
    font: 36px "Microsoft Yahei";
    font-weight: bold;
    color: #df8938;
    padding-top: 8px;
}

.about1 dd span em {
    display: block;
    font-size: 26px;
    font-weight: normal;
    font-style: normal;
    color: #222;
}

.about1 h4 {
    font: 36px "Microsoft Yahei";
    font-weight: bold;
    color: #222;
    padding-bottom: 10px;
    line-height: 60px;
    margin: 0px;
}

.about1 h4 em {
    font: 36px "Times New Roman", Times, serif;
    color: #df8938;
    text-transform: uppercase;
    padding-left: 10px;
}

.about1 h4 span {
    display: block;
    font: 24px "Microsoft Yahei";
    color: #222;
}

.about1 p {
    font: 15px "Microsoft Yahei";
    color: #666;
    line-height: 26px;
}
.pro h2 {
    text-align: center;
    font-size: 40px;
    color: #252525;
    line-height: 40px;
    font-weight: normal;
    position: relative;
    z-index: 1;
    margin: 60px 0 40px;
}
.pro h2 span {
    color: #df8938;
    font-weight: bold;
}
.pro h2 em {
    display: block;
    margin-top: 15px;
    font-size: 20px;
    color: #333;
    line-height: 20px;
    font-style: normal;
}
.about2 {
    background: #f8f8f8;
    padding: 45px 0;
}

.about2 dl {}

.about2 dl dt {
    width: 600px;
    height: 400px;
    background: #f8f8f8;
    float: left;
}

.about2 dl dd {
    width: 551px;
    float: right;
}

.about2 dl dd em {
    display: block;
    background: #f8f8f8;
    height: 227px;
}

.about2 dl dd i {
    display: block;
    width: 10%;
    border-bottom: 4px solid #df8938;
    margin-top: 60px;
}

.about2 dl dd p {
    text-align: justify;
    letter-spacing: 1px;
}

.about3 {
    padding-bottom: 60px;
    overflow: hidden;
}

.wenhua li b {
    font-size: 18px;
    padding-top: 5px;
    background: #0691e1;
    width: 90px;
    margin-top: 18px;
    display: inline-block;
    padding: 3px 15px;
    color: #fff;
    text-align: center;
    margin-right: 15px;
    font-weight: normal;
}
.wenhua li span {
    font-size: 16px;
    letter-spacing: 2px;
}

.pic_list dl {
    width: 24%;
    float: left;
    background: #f0f0f0;
    margin: 0 1.3% 13px 0
}

.pic_list dl:nth-child(4n) {
    margin-right: 0;
}

.pic_list dt {
    border: 1px solid #e5e5e5;
    padding: 10px 9px;
    background: #fff;
}

.pic_list dt img {
    display: block;
    width: 100%;
}

.pic_list dd {
    height: 50px;
    font-size: 14px;
    line-height: 50px;
    text-align: center;
    padding: 0 5px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    background: #f0f0f0;
}

.pic_list dd a {
    color: #4b4a4a;
}

@media screen and (max-width: 1200px){
  .about1 dt{width:100%;height:auto;}
  .about1 dd{display:none;}
  .about1 dt img{width:100%;height:auto;}
  .about2 dl dt{width:100%;height:auto;}
  .about2 dt img{width:100%;height:auto;}
  .about2 dl dd{width:100%;}
  .about2 dl dd em{width:100%;margin-top:20px;height:auto;}
  .about2 dl dd img{width:100%;}
  .wenhua .img-block img{width:100% !important;margin-right:0 !important;}
}