.col_news .tt{
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}
.col_news .tt .title{
    font-size: 24px;
    font-weight: bold;
    color: #333;
    margin-right: 10px;
}
.col_news .tt .sec_title{
    font-size: 18px;
    color: #a7abb4;
}
.col_news .content{margin-bottom: 40px;}
.graybg{
    background-color: #f7f7f7;
    padding: 20px 30px;
}
.content2 .text{margin-bottom: 30px;line-height: 30px;}
.content4 img{
    width: 100%;
    height: auto;
}
.col_news_con{position: relative;}
.content13{
    position: absolute;
    z-index: 10;
    right: 0;
    bottom: 0;
}
.content13 .news_list li.news{
    width: 178px;
    padding: 5px;
    box-sizing: border-box;
    background-color: #dee6f7;
}
.content13 .news_imgs{
    width: 100%;
    padding-top: 100%;
    position: relative;
}
.content13 .news_imgs img{
    position: absolute;
    z-index: 10;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.content13 .news_title{
    font-size: 18px;
    color: #1d4fc1;
    text-align: center;
}
@media screen and (max-width: 999px){
    .col_news_con{margin-top: 20px;}
}
@media screen and (max-width: 767px){
    .content13{position:static;}
}
@media screen and (max-width: 479px){
    .graybg{padding:10px;}
    .col_news .tt .title{font-size:20px;}
    .col_news .tt .sec_title{font-size:14px;}
}