.kv_box{position:relative}.kv_box .swiper-container{height:780px}.kv_box li{background-position:top center;background-repeat:no-repeat;box-shadow:0 2px 5px rgba(0,0,0,.1) inset}.kv_box li a{width:100%;height:100%;display:block}.kv_box a.swiper_btn{width:44px;height:88px;background:url(../images/swiper_btn.png) no-repeat;display:block;position:absolute;top:50%;margin-top:-44px;opacity:.7;z-index:998}.kv_box a.swiper_btn:hover{opacity:1}.kv_box a.arrow-left{background-position:0 0;left:40px}.kv_box a.arrow-right{background-position:right top;right:40px}.kv_box .pagination{width:100%;position:absolute;left:0;text-align:center;bottom:10px;z-index:989}.kv_box .swiper-pagination-switch{display:inline-block;width:4px;height:4px;border-radius:4px;background:#000;opacity:.8;margin:0 4px;cursor:pointer}.kv_box .swiper-active-switch{width:40px;height:4px;border-radius:0}.cont_icon_nav{overflow:hidden;padding:60px 0}.cont_icon_nav li{width:260px;float:left;display:inline-block;margin:0 70px;text-align:center}.cont_icon_nav li h3{font-size:24px;color:#005dad;padding:15px 0 10px}.cont_icon_nav li .txt{text-align:left;padding-left:12px;font-size:16px;line-height:1.4}@media screen and (max-width:1260px){.cont_icon_nav li{width:33.33%;margin:0}.cont_icon_nav li .txt{width:260px;padding-left:0;margin:0 auto}}@media screen and (max-width:920px){.kv_box .swiper-container{height:390px}.kv_box li{background-size:cover}.cont_icon_nav li .txt{width:80%}}@media screen and (max-width:768px){.kv_box a.swiper_btn{width:22px;height:44px;margin-top:-22px;background-size:44px 44px}.kv_box a.arrow-left{left:15px}.kv_box a.arrow-right{right:15px}.cont_icon_nav li .icon_item{width:64px;display:block;margin:0 auto}.cont_icon_nav li .icon_item img{width:100%}}@media screen and (max-width:480px){.kv_box .swiper-container{height:280px}.kv_box li{background-size:100% 100%}.cont_icon_nav{padding:30px 0}.cont_icon_nav li{width:100%;margin-bottom:20px}.cont_icon_nav li h3{font-size:18px;padding:10px 0 5px}.cont_icon_nav li .icon_item{width:64px;display:block;margin:0 auto}.cont_icon_nav li .icon_item img{width:100%}.cont_icon_nav li .txt{width:90%;text-align:center;font-size:14px}}