.top_img{
    width: 100%;
    height: 300px;
    display: table;
    background-color: rgba(0, 0, 0, 0);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center center;
}
@media (min-width:1500px){
	.top_img{
        height: 380px;
    }
}
@media (max-width:700px){
    .top_img{
        height: 250px;
    }
}
@media (max-width:500px){
    .top_img{
        height: 150px;
    }
}
.news_top{
    width: 100%;
    height: 350px;
    display: block;
}
.news_list{
    width: 1200px;
    margin: 30px auto;
    display: table;
    position: relative;
}
@media (max-width:1250px){
    .news_list{
        width: 96%;
        margin: 30px 2%;
    }
}
.news_item{
    width: 373px;
    margin-right: 37px;
    display: table;
    float: left;
    background: #F4F4F4;
    border: 1px solid #e3e3e3;
    margin-bottom: 20px;
}
@media (max-width:1250px){
    .news_item{
        width: 30%;
        margin: 1.5%;
    }
}
.news_item:nth-child(3n){
    margin-right: 0;
}
@media (max-width:650px){
    .news_item{
        width: 46.5%;
        margin: 1.5%;
    }
    .news_item:nth-child(3n){
        margin-right: 1.5%;
    }
}
@media (max-width:470px){
    .news_item{
        width: 96.5%;
        margin: 1.5%;
    }
}
.url_a{
    /*display: table;*/
    cursor: pointer;
}
.news_img{
    width: 100%;
    height: 300px;
    display: table;
    background-color: rgba(0, 0, 0, 0);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center center;
}
@media (max-width:900px){
    .news_img{
        height: 200px;
    }
}
@media (max-width:700px){
    .news_img{
        height: 150px;
    }
}
@media (max-width:650px){
    .news_img{
        height: 250px;
    }
}
@media (max-width:520px){
    .news_img{
        height: 200px;
    }
}
@media (max-width:470px){
    .news_img{
        height: 250px;
    }
}
.news_item img{
    width: 100%;
    height: auto;
    display: block;
}
.news_item p{
    margin: 20px 10px 10px 10px;
    line-height: 20px;
    font-size: 16px;
    color: #000000;
    font-weight: bold;
    height: 40px;
    overflow: hidden;
}
.news_item span{
    padding: 0 10px;
    line-height: 20px;
    font-size: 14px;
    color: #999999;
    display: block;
    height: 20px;
    overflow: hidden;
}
@media (max-width:900px){
    .news_item p{
        font-size: 14px;
    }
    .news_item span{
        font-size: 12px;
    }
}
@media (max-width:500px){
    .news_item span{
        padding: 0 5px;
    }
}
@media (max-width:650px){
    .news_item p{
        margin: 5px;
    }
}
.read_a{
    width: 110px;
    height: 50px;
    line-height: 50px;
    text-align: center;
    margin-left: 10px;
    margin-top: 20px;
    margin-bottom: 20px;
    border: none;
    border-radius: 5px;
    background: #F2524D;
    color: #ffffff;
    font-size: 14px;
    display: block;
}
@media (max-width:900px){
    .read_a{
        width: 50%;
        height: 35px;
        line-height: 35px;
        margin: 10px 10px 20px 10px;
    }
}
@media (max-width:650px){
    .read_a {
        width: auto;
        padding: 0 5px;
        display: table;
        margin: 5px 5px 10px 5px;
    }
}
.read_a:hover{
    background: #F23630;
}