header{width:100%;min-width:1200px;height:auto;margin:auto;background-image:url(/images/headerBg.jpg);background-position:center top;background-repeat:no-repeat}@media screen and (max-width:768px){header{width:100vw;height:60px;min-width:0px}}header .header_top_box{width:100%;height:105px}@media screen and (max-width:768px){header .header_top_box{width:100%;height:60px}}header .header_top_box .header_top{width:1200px;height:100%;margin:auto;display:flex;align-items:center;justify-content:space-between}@media screen and (max-width:768px){header .header_top_box .header_top{width:100%}}header .header_top_box .header_top .header_top_left{flex:1;height:80px;display:flex;align-items:center;justify-content:flex-start}@media screen and (max-width:768px){header .header_top_box .header_top .header_top_left{height:40px}}header .header_top_box .header_top .header_top_left a{display:block;height:100%;text-align:center;position:relative;color:whitesmoke}header .header_top_box .header_top 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.search_button{flex-shrink:0;width:40px;height:100%;background-image:url(/images/search.png);border:none;outline:none;background-color:transparent;background-position:center;background-size:auto 80%;background-repeat:no-repeat;cursor:pointer}header .header_top_box .header_top .header_top_right .mobile_buttons{display:none}@media screen and (max-width:768px){header .header_top_box .header_top .header_top_right .mobile_buttons{display:flex;align-items:center;justify-content:flex-end}}header .header_top_box .header_top .header_top_right .mobile_buttons div{width:30px;height:30px;margin-left:10px;overflow:hidden;background-position:center;background-repeat:no-repeat;background-size:100% 100%;transition:all .3s}header .header_top_box .header_top .header_top_right .mobile_buttons .mobile_search{background-image:url(/images/search.png)}header .header_top_box .header_top .header_top_right .mobile_buttons .mobile_menu{background-image:url(/images/mobile_menu.png)}header .mobile_search_box{display:none}@media screen and (max-width:768px){header .mobile_search_box{display:block;transition:all .3s;width:100vw;height:0;overflow:hidden;background-color:#ecf4f6;position:absolute;left:0;top:60px;z-index:1024;border-top:0px;box-sizing:border-box}header .mobile_search_box .search_box{width:60vw;height:99px;margin:auto;display:flex;align-items:center;justify-content:space-between;flex-shrink:0}header .mobile_search_box .search_box .text{flex:1;width:160px;height:35%;border:none;outline:none;text-indent:1.5em;background-color:transparent;color:#2668b4;transition:all .5s;position:relative;border:1px solid rgba(38,104,180,0.1);margin-right:10px;border-radius:5px}header .mobile_search_box .search_box .text:focus{border:1px solid rgba(38,104,180,0.75)}header .mobile_search_box .search_box .text:focus::placeholder{color:#f5f5f5}header .mobile_search_box .search_box .search_button{flex-shrink:0;width:40px;height:100%;border:none;outline:none;background-color:transparent;background-position:center;background-size:auto 80%;background-repeat:no-repeat}}@media screen and (min-width:769px){header .menu{width:100%;height:55px;background-color:#2668b4}header .menu .menu_ul{width:1200px;height:100%;margin:auto;display:flex;align-items:center;justify-content:space-between}header .menu .menu_ul .menu_item{flex:1;height:100%;position:relative;text-align:center}header .menu .menu_ul .menu_item:hover>a{background-color:rgba(255,255,255,0.25)}header .menu .menu_ul .menu_item:hover>a::after{transform:translateX(-50%) rotateY(0deg)}header .menu .menu_ul .menu_item:hover .menu_item_son{display:block}header .menu .menu_ul .menu_item>a{display:block;width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:#FFFFFF;transition:all .5s ease-out;position:relative}header .menu .menu_ul 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nowrap;align-items:flex-start;justify-content:center;background-color:#2668b4}header .menu .menu_ul .menu_item{width:100%;height:35px;border-bottom:1px solid #33b0ff;position:relative;overflow:hidden;transition:all .3s}header .menu .menu_ul .menu_item>a{display:block;height:35px;line-height:35px;color:#FFFFFF;text-align:center;font-size:16px;position:relative}header .menu .menu_ul .menu_item .menu_mark{position:absolute;right:2em;top:0;display:block;width:35px;height:35px;z-index:1024}header .menu .menu_ul .menu_item .menu_mark .trans{display:block;width:2px;height:18px;background-color:#FFFFFF;position:absolute;top:50%;left:50%;transform:translate(-50%, -50%);transition:all .3s}header .menu .menu_ul .menu_item .menu_mark .vertial{display:block;width:18px;height:2px;background-color:#FFFFFF;position:absolute;top:50%;left:50%;transform:translate(-50%, -50%)}header .menu .menu_ul .menu_item .menu_item_son{text-align:center;background-color:#2580df}header .menu .menu_ul .menu_item 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