.oseaBy{}
.osea_1{padding:50px 0;background-color:#e0e6e4;text-align:center;}
.osea_1 p{font-size:20px;font-size:2rem;line-height:36px;color:#333333;}

.osea_2{padding:80px 0;}
.osea_2 .txtBody{height:460px;background:url(../images/oversea/oversea_2.jpg) no-repeat center;background-size:cover;position: relative;}
.osea_2 .txtBody .content{width:100%;height:100%;background-color:rgba(43,46,45,.47);} 
.osea_2 .txtBody .content ul{font-size:0;width:100%;height:100%;}
.osea_2 .txtBody .content ul li{display:inline-block;width:calc(100% / 4);box-sizing: border-box;border-left:1px solid rgba(255,255,255,.24);height:100%;position: relative;}
.osea_2 .txtBody .content ul li .box{position: absolute;left:25px;right:25px;bottom:80px;}
.osea_2 .txtBody .content ul li .box h3{font-size:20px;font-size:2rem;line-height:30px;font-weight:bold;color:#fff;position: relative;}
.osea_2 .txtBody .content ul li .box h3::after{content:"";display:inline-block;width:30px;height:4px;background-color:#57a28a;position: absolute;left:0;bottom:-20px;}
.osea_2 .txtBody .content ul li .box .mask1{padding-top:30px;display:none;}
.osea_2 .txtBody .content ul li .box .mask1 p{font-size:15px;font-size:1.5rem;line-height:24px;color:#fff;}
.osea_2 .txtBody .content ul li:hover{background-color:rgba(43,46,45,.47);}

.osea_2 .txtBody .content ul li .box .mask1{padding-top:30px;display:none;}
.osea_2 .txtBody .content ul li .box .mask1 p{font-size:15px;font-size:1.5rem;line-height:24px;color:#fff;}


.osea_3{}
.osea_3 .contBy{height:450px;position: relative;}
.osea_3 .bg{position: absolute;left:0;width:50%;top:0;bottom:0;background-repeat:no-repeat;background-size:cover;background-position:left center;z-index:-1;border-radius:0 300px 300px 0;}
.osea_3 .container{height:100%;position: relative;}
.osea_3 .container .txt_body{box-sizing: border-box;width:600px;padding:0 45px 0 45px;position: absolute;right:0;top:50%;transform:translateY(-50%);}
.osea_3  .container .txt_body h3{font-size:20px;font-size:2rem;line-height:36px;color:#333;position: relative;padding-bottom:20px;}
.osea_3 .container .txt_body ul{font-size:0;}
.osea_3 .container .txt_body ul li{display:inline-block;min-width:100%;box-sizing: border-box;font-size:18px;font-size:1.8rem;line-height:30px;margin-top:30px;padding-left:30px;background:url(../images/common/p_dot.jpg) no-repeat left 9px;}


.osea_4{padding:80px 0 0 0;text-align:center;}
.osea_4 .top h4{font-size:28px;font-size:2.8rem;line-height:36px;color:#333333;font-weight:bold;margin-bottom:20px;}
.osea_4 .top h5{font-size:20px;font-size:2rem;line-height:36px;color:#333333;}
.osea_4 .top h5 span{color:#016759;}
.osea_4 .map{margin-top:30px;}
.osea_4 .map img{display:block;width:100%;}
.osea_4 .map_list ul{display:inline-block;}
.osea_4 .map_list ul li{width:345px;float:left;margin-right:60px;text-align:left;border-bottom:1px solid #e4e4e4;font-size:20px;font-size:2rem;line-height:30px;padding-left:30px;background:url(../images/about/ab_3_list.jpg) no-repeat left 8px;padding-bottom:20px;margin-bottom:35px;}
.osea_4 .map_list ul li:nth-child(3n){margin-right:0;}
.osea_4 .map_list ul li span{float:right;font-size:20px;font-size:2rem;line-height:30px;color:#016759;padding-left:30px;background:url(../images/about/ab_3_list_span.png) no-repeat left center;width:125px;}

.osea_5{padding: 80px 0 0 0;}
.osea_5 .swiper-slide .box h3{position:absolute;left:0;right:0;bottom:0;background-color:rgba(51,51,51,.63);padding:35px 0 35px;font-size:20px;font-size:2rem;color:#fff;text-align:center;}
.osea_5 .swiper-slide .box .drop .txt{left:30px;right:30px;text-align:left;}
.osea_5 .swiper-slide .box .drop .txt h4{font-size:22px;font-size:2.2rem;line-height:30px;color:#fff;margin-bottom:20px;}
.osea_5 .swiper-slide .box .drop .txt p{font-size:18px;font-size:1.8rem;line-height:28px;color:#fff;}