ul, ol, li {
    list-style: none;
}

a {
    text-decoration: none;
}

.clear:after {
    content: '';
    display: block;
    height: 0;
    visibility: hidden;
    clear: both;
}

.banner img {
    width: 100%;
    position: relative;
    margin-top: -80px;
}

.main {
    width:1200px;
    margin:0 auto;
}
    .main img {
        padding-top:40px;
        display:block;
        margin:0 auto;
    }
.main2 {
    width: 100%;
  
    margin: 0 auto;
    background-color:#eeeeee;

}
    .main2-center>img {
        margin-left:160px;
      padding-top:62px;
    }
.main2-right {
    float:right;
    margin-right:146px;
}
    .main2-right > p {
        padding:100px 0 21px 0;
        font-size:30px;
        color:black;
    }
    .main2-right > span {
        font-size: 16px;
        line-height:1.6;
    
    }
.main2-bottom {
    width:918px;

    margin:0 auto;
}
.main2-center {
    width:1150px;
    margin:0 auto;
}
.duoul{height:560px;}
.duoul ul{width:1100px;margin:0 auto;height:100%}
.duoul ul li {float:left;margin-left:68px;}