.top_backimg{background-image:url('../../cn/yIncs/images/bg/top_bg_doc.jpg');}

.grid_box {
  display: grid;
  grid-template-columns: repeat(3, 1fr); /* 定义列数 */
  grid-gap: 30px; /* 定义网格间距 */
}

.sj_one{display:block; width:auto; height:auto; margin:0 0 50px 0; overflow:hidden;  position:relative;
        break-inside:avoid; /* 避免项目被分割到不同列 */}
.sj_one ._pic_s{display:block; float:left; width:100%; height:auto; border-radius:15px;}
.sj_one ._sjname{display:block; float:left; width:100%; height:50px; line-height:50px; margin:15px 0 0 0;
                font-size:36px; color:#222; font-weight:800; text-align:justify;}
.sj_one ._sjsm{display:block; float:left; width:100%; height:auto; line-height:1.4em; margin:5px 0 0 0;
                font-size:30px; color:#aaa; text-align:justify;}