.jjwz {
    width: 1200px;
    margin: 20px auto;
    overflow: hidden;
}
.wzwz {
    width: 210px;
    font-size: 24px;
    line-height: 40px;
    color: #333;
    float: left;
}
.lk {
    width: 6px;
    height: 9px;
    background: #062760;
    margin-right: 18px;
    float: left;
    margin-top: 20px;
}
.ht {
    width: 960px;
    float: right;
    background: #f5f5f5;
    height: 9px;
    margin-top: 20px;
}
.nfl {
    clear: both;
    text-align: center;
    margin: 20px auto;
    overflow: hidden;
}
.nfl li {
    margin-right: 10px;
    line-height: 34px;
    font-size: 14px;
    color: #555;
    text-align: center;
    display: inline;
}
.nfl li a {
    line-height: 38px;
    padding: 0px 20px;
    display: inline-block;
    border-radius: 5px;
    border: solid 1px #dedede;
    color: #555;
}
.nfl li a:hover {
    color: #fff;
    background: #d01e27;
}
.nfl li a.selected {
    line-height: 38px;
    font-size: 14px;
    background: #d01e27;
    color: #fff;
    text-align: center;
    border: none;
    display: inline-block;
}

.aldk {
    width: 1200px;
    margin: 50px auto;
    overflow: hidden;
}

.aldk li {
    width: 397px;
    float: left;
    background: url(./../images/tpk.png) no-repeat left center;
    height: 252px;
    position: relative;
    top: 0;
    transition: all ease-in .3s;
    margin-bottom: 40px;
}
.item3 {
    position: relative;
    float: left;
    width: 320px;
    height: 204px;
    cursor: pointer;
    overflow: hidden;
    top: 20px;
    left: 35px;
}
.item3 div {
    position: absolute;
    width: 89px;
    height: 0;
    background: rgba(47, 41, 41, 0.68);
    overflow: hidden;
    _zoom: 1;
}
.item3 .cornerTL {
    left: 0;
    top: 0;
}
.item3 .cornerTR {
    right: 0;
    top: 0;
}
.item3 .cornerBL {
    left: 0;
    bottom: 0;
}
.item3 .cornerBR {
    right: 0;
    bottom: 0;
}
.item3 dl {
    position: absolute;
    top: 0;
    left: 0;
    width: 278px;
    height: 161px;
    display: none;
}
.aldk li:hover {
    top: -8px;
    transition: all ease-in .3s;
}

.item3 dt {
    height: 20px;
    width: 100%;
    line-height: 20px;
    text-align: center;
    color: #FFF;
}

.item3 dd {
    padding: 0 12px;
    width: 300px;
    line-height: 32px;
    color: #f2efef;
    font-size: 15px;
    margin: 0 auto;
    padding-left: 10px;
    text-align: center;
}

.maertt{
    width:1200px; margin:0 auto;
}
@media screen and (max-width: 1024px) {
    /*此条件表示最大宽度为1000，也就是如果宽度小于1000则执行以下CSS代码*/

    .jjwz {
        width: 100%;
        margin: 20px auto;
        overflow: hidden;
    }
    .ht {
        width: 36%;
        float: left;
        background: #f5f5f5;
        height: 9px;
        margin-top: 20px;
    }
    .nfl li {
        margin-right: 10px;
        margin-top: 10px;
        line-height: 34px;
        font-size: 14px;
        color: #555;
        text-align: center;
        display: inline-block;
        
    }
    .maertt{
        width: 100%;
        display: flex;
    }

}