.down_nav_bg{background-color:#262626;width: 100%;height: 50px;display: flex;align-items:center;justify-content: flex-start;}
.down_nav_i{padding-left: 70px;color:#009900;font-size: 30px;}
.down_nav_t{color: #ffffff;font-size:16px;text-align: center;padding-left: 18px;}


.news_u{display: flex;flex-direction:row;list-style: none;margin-left: 60px;  }
.news_l{text-decoration: none;color:#ffffff;background:#009900;width: 120px;text-align: center;height: 50px;line-height: 50px;margin-left: 5px; }
.news_u li a{color: white;text-decoration: none;display:block;}
.news_u li a.active {background:#1b95d3;width: 120px;color:#ffffff;text-align: center;}
.news_u li:hover:not(.active){background:#1b95d3;}






/*新闻标题*/

.details_title{display: flex;width:100%;justify-content: center;align-items: flex-end;height:120px;}
.details_title_item{width:75%;height:50px;text-align: center;font-size: 22px;font-weight: bold;}

.details_date{display: flex;width: 100%;justify-content:center;align-items: center;height: 30px;}
.details_date_item{width: 75%;height: 20px;text-align:left;font-size: 12px;}

/*新闻正文*/
.details_content{display: flex;width: 100%;justify-content: center;align-items: center;flex-direction: column;margin-bottom: 30px;margin-top: 5px;}
.details_content_item{font-size: 16px;width: 75%;text-indent: 3em;line-height:200%;margin-top: 10px;}

/*返回列表*/

.details_more{display: flex;width: 100%;justify-content: center;align-items: center;margin-bottom: 30px;}
.details_more_item{height: 20px;width: 75%;text-align: right;font-size: 16px;}
.details_more_item a{text-decoration: none;cursor: pointer;color: black;font-size: 16px;}
.details_more_item :hover{color:#1b95d3;border-right: 2px solid #ffffff;font-weight: bold;}



/*我们能做什么*/
.whatcanido{padding-left: 50px;padding-bottom: 40px;padding-top: 40px;padding-right:40px;text-align: center;color:black;line-height: 160%;font-size:17px;}
.whatcanido span{ font-size: 20px; }





.cases{width:100%;margin-bottom: 5px;display: flex; display: -webkit-flex;flex-wrap:nowrap;margin-top: 20px;justify-content: center;}

.case_1{flex-shrink: 1;height:212px; background:url('../images/index/case_1.gif');background-size:cover;margin-right: 5px;}
.case_1_div{color: #ffffff;padding-left: 8px;font-size: 14px;line-height:130%;background-color:black;opacity: 0.4;}
.case_1_t{color: #ffffff;position: relative;top:-55px;left: 10px;min-width:250px;}
.case_1_t span{font-size:15px;}
.case_1_t a{color: #ffffff;text-decoration: none;}


.case_2{flex-shrink: 1;height:212px; background:url('../images/index/case_2.gif');background-size:cover;margin-right: 5px;}
.case_2_div{color: #ffffff;padding-left: 8px;font-size: 14px;line-height:130%;background-color:black;opacity: 0.4;}
.case_2_t{color: #ffffff;position: relative;top:-55px;left: 10px;min-width:250px;}
.case_2_t span{font-size:15px;}
.case_2_t a{color: #ffffff;text-decoration: none;}


.case_3{flex-shrink: 1;height:212px; background:url('../images/index/case_3.gif');background-size: cover;margin-right: 5px;}
.case_3_div{color: #ffffff;padding-left: 8px;font-size: 14px;line-height:130%;background-color:black;opacity: 0.4;}
.case_3_t{color: #ffffff;position: relative;top:-55px;left: 10px;min-width:250px;}
.case_3_t span{font-size:15px;}
.case_3_t a{color: #ffffff;text-decoration: none;}


.case_4{flex-shrink: 1;height:212px; background:url('../images/index/case_4.gif');background-size: cover;}
.case_4_div{color: #ffffff;padding-left: 8px;font-size: 14px;line-height:130%;background-color:black;opacity: 0.4;}
.case_4_t{color: #ffffff;position: relative;top:-55px;left: 10px;min-width:250px;}
.case_4_t span{font-size:15px;}
.case_4_t a{color: #ffffff;text-decoration: none;}






.cases2{width: 100%;margin-bottom: 5px;display: flex; display: -webkit-flex;flex-wrap:nowrap;margin-top:5px;justify-content: center;margin-bottom: 100px;}

.case_5{flex-shrink: 1;height:212px; background:url('../images/index/case_1.gif');background-size:cover;margin-right: 5px;}
.case_5_div{color: #ffffff;padding-left: 8px;font-size: 14px;line-height:130%;background-color:black;opacity: 0.4;}
.case_5_t{color: #ffffff;position: relative;top:-55px;left: 10px;min-width:250px;}
.case_5_t span{font-size:15px;}
.case_5_t a{color: #ffffff;text-decoration: none;}


.case_6{flex-shrink: 1;height:212px; background:url('../images/index/case_2.gif');background-size:cover;margin-right: 5px;}
.case_6_div{color: #ffffff;padding-left: 8px;font-size: 14px;line-height:130%;background-color:black;opacity: 0.4;}
.case_6_t{color: #ffffff;position: relative;top:-55px;left: 10px;min-width:250px;}
.case_6_t span{font-size:15px;}
.case_6_t a{color: #ffffff;text-decoration: none;}


.case_7{flex-shrink: 1;height:212px; background:url('../images/index/case_3.gif');background-size: cover;margin-right: 5px;}
.case_7_div{color: #ffffff;padding-left: 8px;font-size: 14px;line-height:130%;background-color:black;opacity: 0.4;}
.case_7_t{color: #ffffff;position: relative;top:-55px;left: 10px;min-width:250px;}
.case_7_t span{font-size:15px;}
.case_7_t a{color: #ffffff;text-decoration: none;}


.case_8{flex-shrink: 1;height:212px; background:url('../images/index/case_4.gif');background-size: cover;}
.case_8_div{color: #ffffff;padding-left: 8px;font-size: 14px;line-height:130%;background-color:black;opacity: 0.4;}
.case_8_t{color: #ffffff;position: relative;top:-55px;left: 10px;min-width:250px;}
.case_8_t span{font-size:15px;}
.case_8_t a{color: #ffffff;text-decoration: none;}