body,ul,ol,li,p,h1,h2,h3,h4,h5,h6,form,fieldset,table,td,img,div{margin:0;padding:0;border:0;}
body{color:#333; font-size:12px;font-family:"Microsoft YaHei"}
ul,ol{list-style-type:none;}
select,input,img,select{vertical-align:middle;}
input{ font-size:12px;}
a{ text-decoration:none; color:#000;}
a:hover{color:#c00; text-decoration:none;}
.clear{clear:both;}

.header{height:80px;width:100%;background-color: #e61117; }
.header .nav_ul{ width:900px; list-style-type: none; display: flex;}
.header .nav_ul li{width:160px; height: 80px;line-height: 80px;text-align: center;}
.header .nav_ul li a{color:#fff;font-size:16px; cursor: pointer;}
.header .nav_ul li:hover{background-color: #e85155;}

.base_wrap{width: 1260px; margin:0px auto;}
.flex_wrap_between{display: flex;justify-content: space-between;}
.base_main{position: relative;}
.banner_box{background-color:#f9f9f9;width: 100%;text-align: center;}
.banner_box a img{}
.bg_gray_wrap{background-color:#f9f9f9;width: 100%;}

.case_lists_ul{width: 1260px;overflow:auto}
.case_lists_ul li{float: left; cursor: pointer;width: 410px;height: 247px;margin-right: 8px;margin-bottom: 8px;background-color: #f2f2f2; text-align: center; line-height: 247px;}
.case_lists_ul li img{max-width: 80%;}
.case_lists_ul li:hover img{transform-origin:50% 50%; animation: card_turn 0.5s 1; animation-fill-mode:forwards;}


@keyframes card_turn {
    0%{ transform:scale(1);opacity:1;}
    100%{ transform:scale(1.1);opacity:1;}
  }

  @-webkit-keyframes down_to_up {
 
    0%{ -webkit-transform:translate(0px,40px) scale(0.5);opacity:0;}
    100%{ -webkit-transform:translate(0px,0px) scale(1);opacity:1;}
  }

  .item_box_div .item_elm{display:none;}
  .item_box_div .item_elm.on{display:block; transform-origin:50% 50%; animation: down_to_up 0.5s 1; animation-fill-mode:forwards;}

.item_title_div{font-size: 22px;text-align: center;color:#625f5e; width: 100%;}
.item_title_div a.on{color:#e61718;}

.news_index_wrap{display: flex;width: 100%;justify-content: space-around;}
.news_index_wrap .news_div_item{width:480px; padding: 20px;}
.news_div_item_date{font-size: 55px;color:#a0a0a0;}
.news_div_item_year{font-size: 30px;color:#2c2829;}
.news_div_item_title{font-size:20px;color:#565254;}
.news_div_item_more{text-align: right;width: 100%;}
.news_div_item_more a{font-size: 16px;color:#fff;padding:5px 20px;border-radius: 20px;background-color: #cbcbcd;margin-top:10px;display: inline-block;}

.footer{width: 100%;background-color: #efefef;}

.about_left{width:435px;}
.about_title{font-size: 28px;display: inline-block;font-weight: bold;color:#e40000;padding:8px 40px;border:2px solid #e40000;border-radius: 40px;}
.about_item_ul{margin-top:80px;}
.about_item_ul li{padding-bottom:30px; margin-bottom:30px;border-bottom: 1px solid #9c9c9c;color:#5a5656;font-size:20px;width: 320px;}
.about_item_ul li::before{
  position: absolute;
  margin-top:5px;
  content: "";
  width: 0; 
  height: 0;
  border-width: 10px;
  border-style: solid;
  border-color: transparent transparent transparent #595657;
}
.about_item_ul li:hover a{color:#ec6363;}

.about_item_ul li:hover::before{border-color: transparent transparent transparent #ec6363;}

.about_item_ul li a{padding-left: 20px;}

.about_right{flex:1;width: 100%;min-height: 800px; }


.about_item_ul li.on a{color:#cc2a2a;}

.about_item_ul li.on::before{border-color: transparent transparent transparent #e40000;}


.search_box{border-bottom: 1px dashed #dcdedd;}

.newslist_ul{ list-style-type: none;}
.newslist_ul li{padding-top:50px;padding-bottom:50px;border-bottom: 1px dashed #dcdedd; display: flex;justify-content: space-between;align-items: center; cursor: pointer;}
.newslist_ul li .img_box{width:300px;height:170px;}
.newslist_ul li .img_box img{width: 100%;height: 100%; object-fit: cover;}
.newslist_ul li .content_box{width:490px;} 
.newslist_ul li .content_box .news_date{font-size: 23px;font-weight: bold;color:#a4a5a4;}
.newslist_ul li .content_box .news_title{color:#322f30;font-size: 30px;font-weight: bold;}
.newslist_ul li .content_box .news_desc{color:#322f30;font-size: 16px;}

.footer{position: relative;}
.footer_nav{width: 280px;display: flex;justify-content:space-around; flex-flow:wrap; position: absolute;top: 328px;left: 305px;}
.footer_nav a{display: inline-block;width: 120px;font-size: 18px;color:#555;    margin-bottom: 15px;
}
.footer_tips{position: absolute;font-size: 14px;width: 450px;text-align: right;    right: 286px;  top: 425px;}


.op_mov{ opacity:0;}
.op_mov_do{  animation: op_mov_do 1s 1;  transform-origin:50% 50%; animation-fill-mode:forwards; opacity:0;}
@-webkit-keyframes op_mov_do {
 
  0%{ -webkit-transform:translate(0rem,20px);opacity:0;}
  100%{ -webkit-transform:translate(0rem,0px);opacity:1;}
}