.bus_kv__con{position: relative;}
.bus_kv__con .kv{display: block;width: 100%;}

.business_main{padding: 0px 0 0;}
.business_main .big_title{text-align: center;font-size: 20px;line-height: 1.5;color: #666;margin-bottom: 30px;
    font-weight: normal;}

h3.title{font-size: 24px;color: #005776;margin-bottom: 50px;border-left: px solid #005776;padding-left: 450px;}
.list{display: flex;justify-content: space-between;align-items: flex-start;flex-wrap: wrap;margin-bottom: 50px;}
.list li{width: 32%;margin-bottom: 30px;}
.list li img{display: block;width: 100%;margin-bottom: 10px;}
.list li h3{font-size: 18px;padding-bottom: 5px;}
.list li p{font-size: 16px;line-height: 1.5;color: #666;}

.list.s_1{justify-content: flex-start;}
.list.s_1 li{display: flex;justify-content: space-between;align-items: center;}
.list.s_1 li img{width: 35%;}
.list.s_1 li .txt{width: 65%;box-sizing: border-box;padding-left: 20px;}
.list.s_1 li .txt h4{font-size: 16px;color: #005776;padding-bottom: 5px;}
.list.s_1 li .txt p{color: #666;font-size: 14px;line-height: 1.6;}

.bg_glay{background-color: #f8f8f8;padding: 50px 0;}

.jm_box{border: 1px solid  #666;padding: 20px;max-width: 800px;margin: 50px auto;background-color: #f9f9f9;}
.jm_box p{font-size: 16px;line-height: 1.7;color: #333;}


.oem__box{display: flex;justify-content: space-between;align-items: flex-start;flex-wrap: wrap;}
.oem__box img{width: 1050px;}
.oem__box .txt{box-sizing: border-box;padding-left: 0px;width: calc(100% - px);padding-top: 0px;}
.oem__box .txt p{font-size: 16px;line-height: 1.8;color: #666;}

.news_list{display: flex;justify-content: space-between;align-items: flex-start;flex-wrap: wrap;}
.news_list li{margin: 0 20px 20px 0;width: calc(25% - 15px);transition: all ease .3s;}
.news_list li:hover{transform: translateY(-5px);}
.news_list li a{display: block;text-decoration: none;}
.news_list li:nth-child(4n){margin-right: 0;}
.news_list li img{display: block;width: 100%;height: 160px;margin-bottom: 10px;}
.news_list li p{font-size: 16px;line-height: 1.5;color: #333;}


.oem__ewm img{width: 1050px;}