h2.mbt {
    color: #324a6c;
    font-size: 30px;
    line-height: 54px;
    text-align: center;
    padding: 60px 0;
}

.nianlist {
    overflow: hidden;
    text-align: center;
    font-size: 0;
    background: url(../images/wh1.png);
}
.nianlist li {
    display: inline-block;
    width: 20%;
    height:450px;
}
.nianlist li .nianlin {
    padding: 0 5px;
    height: 100%;
}
.nianlist li a {
    display: block;
    position: relative;
    -webkit-transition: 0.5s;
    -moz-transition: 0.5s;
    -ms-transition: 0.5s;
    -o-transition: 0.5s;
    transition: 0.5s;
    padding: 0 40px;
    height: 100%;
}
.nianlist .pic {
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: absolute;
    top: 0;
    z-index: -1;
    left: 0;
}
.nianlist img {
    width: 352px;
    height: 100%;
    position: absolute;
    left: 50%;
    margin-left: -176px;
    top: 0;
}
.nianlist h3 {
    font-size: 20px;
    color:#fff;
    font-weight: bold;
    line-height: 40px;
    height: 40px;
    overflow: hidden;
    padding-top: 70px;
}
.nianlist .txt {
    font-size: 16px;
    color: #fff;
    line-height: 26px;
    margin-top: 24px;
    text-align: center;
}

.wenhua {
    width: 100%;
    height: 500px;
    overflow: hidden;
    background: url(../images/whbg.jpg) top no-repeat;
}
.lefthalf {
    float: left;
    width: 50%;
    height: 100%;
    position: relative;
    overflow: hidden;
}
.wenhua .con {
    padding: 80px 0 0;
    text-align: center;
}
.wenhua .con h3 {
    font-size: 30px;
    color: #324a6c;
    line-height: 52px;
    height: 52px;
}
.wenhua .con .txt {
    font-size: 16px;
    color: #666;
    line-height: 26px;
    margin-top: 20px;
}
.righthalf {
    float: right;
    width: 50%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

@media (max-width: 765px){
    h2.mbt {
    font-size: 36px;
}
    .nianlist {
    padding: 0 10px 60px;
}
    .nianlist li {
    width: 50%;
}
    .nianlist li a {
    padding: 0 20px;
}
    .nianlist h3 {
    font-size: 30px;
    line-height: 50px;
    height: 50px;
    padding-top: 40px;
}
    .nianlist .txt {
    font-size: 26px;
    line-height: 40px;
}
    .wenhua .con {
    padding: 80px 30px 0;
}
    .wenhua .con h3 {
    font-size: 36px;
}
    .wenhua .con .txt {
    font-size: 26px;
    line-height: 40px;
    text-align: left;
}
    .wenhua .con {
    padding: 80px 30px 0;
}
    .wenhua .con h3 {
    font-size: 36px;
}
    .wenhua .con .txt {
    font-size: 26px;
    line-height: 40px;
    text-align: left;
}


}