*{-webkit-tap-highlight-color:rgba(0,0,0,0.1);}
.header_bg{height:110px;}
.header{position:fixed;z-index:1000;top:0;width:100%;min-width:1200px;min-height:110px;background:#313c7a;}
.bg-both{position:relative;width:100%;height:32px;}
.bg_blue_half{position:absolute;top:0;right:0;width:50%;height:100%;background:#005bac;}
.header-top{position:relative;z-index:5;min-height:32px;background:#313c7a;}
.header-top a{color:#fff;}
.header-top li a:hover,.search-box>a:hover{border-bottom:1px solid #fff;}
.Logo{position:relative;width:20%;height:0;}
.Logo .logo_a{position:absolute;top:30px;left:0;display:block;width:180px;}
.Logo .hide-QQ,.animate_p{display:none;}
.header-nav{padding-left:22%;width:60%;}
.header-nav li{float:left;padding:10px 0 0 5%;}
.header-link{position:relative;z-index:10;float:right;height:32px;max-width:40%;background:#005bac;}
.header-link li{float:left;color:#fff;line-height:32px;padding-left:25px;}
.header-link li img{vertical-align:middle;}
.header-link .tel{padding-right:10px;background:url('../img/sprites/contact_sprite.png') no-repeat -3px 0;}
.header-link .email{background:url('../img/sprites/contact_sprite.png') no-repeat -3px -29px;}
.header-link::before{position:absolute;left:-64px;width:0;height:0;border-color:transparent #005bac transparent transparent;border-style:solid;border-width:0 32px 32px;content:'';}

/*search*/
.width1010{padding-top:15px;width:78%;}
.width1010>.float-L{float:left;width:70%;}
.inputborder{display:block;position:relative;width:90%;border:3px solid #80bde2;border-radius:40px;background:#fff;}
.search-box{position:relative;z-index:100;width:100%;}
.search-box input[type='text']{padding-right:100px;width:100%;height:40px;border:none;border-radius:40px;text-indent:15px;}
.F0{font-size:0;}
.lab_uploadImg{position:absolute;top:0;right:58px;z-index:10;width:34px;height:40px;line-height:40px;cursor:pointer;}
.lab_uploadImg img{vertical-align:middle;}
.lab_uploadImg input[type='file']{position:absolute;top:0;left:0;width:34px;height:40px;opacity:0;filter:alpha(opacity=0);}
.search-box span{position:absolute;top:0;right:0;z-index:100;padding-top:8px;padding-left:15px;width:57px;height:40px;border-top-right-radius:40px;border-bottom-right-radius:40px;background:#fdd000;cursor:pointer;}
.search-box>a{position:absolute;top:22px;right:0;display:inline-block;color:#fff;}
.dv_keyword_list{position:absolute;top:43px;display:none;padding:0 60px 0 18px;width:90%;}
.keyword_text{position:relative;top:-40px;display:none;padding:8px 10px 5px;width:100%;height:200px;border:none;line-height:24px;resize:none;}
.dv_keyword_list .i_bgfff{position:absolute;top:-35px;left:502px;display:none;width:20px;height:200px;background:#fff;}
.idx2{height:190px;}
.idx2 .keyword_text{display:block;}
.idx2 p{margin-top:-40px;}
.dv_keyword_list p{height:30px;background:#f5f5f5;text-align:right;line-height:30px;}
.dv_keyword_list p i{display:inline-block;margin-right:20px;color:#666;text-decoration:underline;font-size:12px;cursor:pointer;}
#searchResult_List{background:#fff;}
#searchResult_List dd{overflow:hidden;margin:0 10px;height:30px;border-top:1px solid #e0e0e0;text-overflow:ellipsis;white-space:nowrap;line-height:30px;}
#searchResult_List dd a:hover,#searchResult_List dd i,.dv_keyword_list p i.on,.a_header_order:hover{color:#159aee;}
.body_mask .dv_keyword_list,.body_mask .dv_keyword_mask{display:block!important;}
.body_mask .header{position:fixed;top:0;left:0;z-index:10005;width:100%;min-width:1200px;}
/*header-icon*/
.header-icon{position:relative;float:right;max-width:30%;}
.header-icon a{display:inline-block;margin-left:15px;width:42px;height:42px;border-radius:50%;background:#fff;color:#005bac;vertical-align:top;text-align:center;font-weight:700;line-height:42px;}
.header-icon .a_bulk_order{position:absolute;right:185px;margin:5px 10px 0 0;width:85px;height:34px;border-radius:20px;background:#fdd000;line-height:34px;}
.cart_num{position:absolute;top:-5px;right:-5px;display:inline-block;width:24px;height:24px;border-radius:50%;background:#fdd000;line-height:24px;}
.header-icon a em{display:inline-block;width:42px;height:42px;}
.a_header_login em{background:url(../img/sprites/header_sprite.png) no-repeat -5px -57px;}
.a_header_login:hover em{background:url(../img/sprites/header_sprite.png) no-repeat -5px -109px}
.a_header_order em{background:url(../img/sprites/header_sprite.png) no-repeat -5px -213px;}
.a_header_cart em{background:url(../img/sprites/header_sprite.png) no-repeat -5px -5px;}
.header-bottom{position:relative;}
.phone_footer_menu{display:none;position:fixed;bottom:0;z-index:9995;}
/*menu*/
.phone_submenu{display:none;}
.menu_box{position:relative;}
.menu{display:none;z-index:99;position:absolute;top:10px;left:0;padding:20px 0;width:180px;height:380px;background:#313c7a;}
.menu-item-title{margin:10px 0;padding-left:45px;width:100%;height:36px;color:#fff;line-height:36px;}
.menu_chemistry{background:url(../img/sprites/menu_sprite.png) no-repeat 0 -41px;}
.menu_pharmaceutical{background:url(../img/sprites/menu_sprite.png) no-repeat 0 -137px;}
.menu_inhibitors{background:url(../img/sprites/menu_sprite.png) no-repeat 0 -187px;}
.menu_material{background:url(../img/sprites/menu_sprite.png) no-repeat 0 -89px;}
.menu_life{background:url(../img/sprites/menu_sprite.png) no-repeat 0 -233px;}
.menu_catalyst{background:url(../img/sprites/menu_sprite.png) no-repeat 4px -1px;}
.menu-item:hover>a{background-color:#fff;color:#232323;}
.menu-item a{display:inline-block;}
.submenu{position:absolute;top:0;left:180px;display:none;padding:15px 10px;width:1120px;height:380px;background:#fff;overflow:hidden;}
.submenu-item{padding-top:5px;height:40px;}
.submenu a{font-size:12px;}
.submenu-R-cnt{position:relative;padding:0 50px 0 160px;border-bottom:1px dashed #ddd;}
.submenu-item-title{position:absolute;z-index:2;overflow:hidden;padding-right:22px;width:150px;vertical-align:top;text-overflow:ellipsis;white-space:nowrap;font-weight:700;}
.submenu-item-title span{position:absolute;right:0;}
.submenu-item-title i{color:#999;font-weight:400;font-size:12px;}
.submenu-item-title:hover,.submenu-item-title:hover i{color:#313c7a;}
.submenu-item-con{overflow:hidden;width:100%;height:30px;text-overflow:ellipsis;white-space:nowrap;}
.submenu-item-con a{margin-right:15px;color:#999;}
.more-menu:hover,.submenu-item-con a:hover{color:#313c7a;text-decoration:underline;}
.more-menu{position:absolute;top:0;right:0;bottom:12px;padding:0 3px;height:22px;border:1px solid #ddd;color:#999;line-height:20px;}
.menu-item:hover .submenu,.index-body .menu{display:block;}

/*fixed-sidebar*/
.fixed-sidebar{position:fixed;right:0;bottom:120px;z-index:99;}
.fixed-sidebar>li{margin-bottom:2px;width:38px;height:38px;border-radius:4px;background:#313c7a;}
.fixed-sidebar li span{display:inline-block;}
.fixed-sidebar .fixed-a{position:absolute;right:0;display:block;padding:4px;height:38px;width:38px;border-radius:4px;color:#fff;line-height:34px;}
.fixed-sidebar .fixed-txt{float:left;display:none;text-indent:10px;line-height:30px;}
.fixed-sidebar .img-box{position:absolute;top:5px;right:5px;width:26px;height:26px;}
.fixed-sidebar .QQ span{background:url(../img/sprites/sidebar_sprite.png) no-repeat -5px -5px;}
.sidebar_login span.img-box{background:url(../img/sprites/sidebar_sprite.png) no-repeat -6px -153px;}
.sidebar_cart span.img-box{background:url(../img/sprites/sidebar_sprite.png) no-repeat -6px -77px;}
.sidebar_start span.img-box{background:url(../img/sprites/sidebar_sprite.png) no-repeat -6px -115px;}
.QQ-service{position:absolute;right:0;bottom:0;display:none;padding-bottom:5px;width:246px;border-radius:4px;background:#313c7a;}
.QQ-service li{float:left;}
.QQ-service-con div{position:relative;float:left;margin-top:4px;margin-left:5px;padding-left:40px;width:100px;height:30px;border:1px solid #3eb6fe;background:url(../img/sprites/sidebar_sprite.png) no-repeat 0 -40px;color:#fff;line-height:30px;}
.QQ-service-con div p{position:absolute;top:0;left:0;display:none;width:100px;height:30px;}
.QQ-service-con div:hover p{display:block;}
.QQ-btn{height:29px;background:#3eb6fe;color:#fff;text-align:center;}
.QQ-btn:hover{background:#fd8300;}
.top i{position:absolute;top:2px;right:3px;color:#fff;font-size:32px;cursor:pointer;}
.company-btn{float:left;width:37px;}
.school-btn{float:right;width:60px;}
.fixed-sidebar>li:hover .QQ-service,.fixed-sidebar>li:hover .fixed-txt{display:block;}
.fixed-sidebar>li:hover .hide-QQ{display:none;}
.fixed-sidebar>li:hover .fixed-a{background:#313c7a;width:140px;}

.disabled {pointer-events:none;background:#ccc!important;}
.cart-tips p{padding:5px 0;min-height:26px;}
.fixed-head h1{padding-top:5px;}

/*2021-05-24 footer*/
.footer-top {font-size:14px;}
.footer-top .footer-nav{width:60%;}
.footer-top .float-R{width:38%;}
.footer-nav ul{width:25%;}
.footer-top .float-R{position:relative;}
.footer-contact,.footer-tech{float:left;}
.footer-contact{width:auto;min-width:280px;padding-right:6%;}
.footer_tel,.footer_email{padding-left:30px;}
.footer-weixin{position:absolute;right:0;top:0;}
/*服务支持*/
.QQ-service-con div.dv_tech_qq{width:205px;}
.dv_tech_qq:hover p{width:100%;}
.dv_tech_qq:hover .tech-btn{display:block;text-align:center;}

/*20211206*/
.footer-top .float-R .img-box{width:90px;height:90px;padding:0;margin-top:4px;}

/*20211223 产品card*/
.product-card .img-box{padding:5px;height:240px;line-height:230px;}
.body_mask{padding-top:0;}
@media only screen and (max-width:1350px){
	.layout.header-top{padding-right:0;}
	.header-top .email{padding-right:20px;}
	.width1010>.float-L{width:68%;}
	.menu{left:2%;}
}
@media only screen and (max-width:1024px){
	body{padding-bottom:460px;}
	.header{position:static;min-width:100%;}
	.header_bg{display:none;}
	.fixed-head,.lab_uploadImg,.header-icon,.header-link,.header-nav,.search-box>a,.submenu-item-title span,.fixed-sidebar,.bg_blue_half{display:none!important;}
	.body_mask .header{min-width:320px;}
	.body_mask .mask{z-index:10004;}
	.header-top,.bg-both{min-height:58px;}
	.header-top{padding-top:5px;}
	.Logo,.dv_keyword_list,.inputborder,.width1010{width:100%;}
	.Logo .logo_a{position:static;margin:0 auto;width:150px;}
	.Logo .hide-QQ{display:block;position:absolute;right:4%;top:6px;width:40px;height:40px;}
	.dv_keyword_list{padding:0 18px;}
	.search-box{z-index:1005;}
	.search-box span{width:47px;padding-left:10px;}
	.search-box input[type='text']{padding-right:50px;}
	/*menu*/
	.phone_menu{position:absolute;top:10px;left:12px;display:block;width:40px;height:40px;outline:0;background:url(../img/phone/menu.png) no-repeat center;background-size:34px 34px;cursor:pointer;}
	.width1010{padding-top:0;}
	.width1010>.float-L{width:100%;}
	.menu-item:hover .submenu,.submenu-R-cnt{display:none;}
	.menu_box_mask{width:100%;height:100%;background:#000;opacity:.5;filter:alpha(opacity=50);}
	.menu_body{padding-top:110px;}
	.menu_body .header{position:fixed;top:0;left:0;z-index:10005;width:100%;min-width:320px;}
	.menu_body .menu_box_mask{position:fixed;top:0;left:0;z-index:10003;}
	.menu_box{padding:0;}
	.menu_box .menu{position:fixed;z-index:10004;top:110px;left:-110%;overflow-y:auto;padding:5px 2% 130px;width:88%;height:100%;background:#fff;}
	.menu_box .menu_show{left:0;display:block;-webkit-transition:all ease .5s;-moz-transition:all ease .5s;-o-transition:all ease .5s;transition:all ease .5s;}
	.menu{display:block;}
	.menu a{color:#232323;}
	.menu-item{position:relative;border-bottom:1px dashed #ddd;background:#fff;}
	.submenu{position:static;width:100%;height:auto;border-top:1px dashed #ddd;}
	.submenu-item{padding:0;}
	.submenu-item .submenu-item-title{position:static;display:block;line-height:40px;padding-left:36px;width:auto;max-width:100%;font-weight:normal;}
	.phone_submenu{position:absolute;top:10px;right:0;display:inline-block;width:40px;height:36px;outline:0;text-align:center;line-height:36px;color:#313c7a;font-weight:700;cursor:pointer;}
	.phone_submenu_this{transform:rotateX(180deg);}
	/*phone foot menu*/
	.phone_footer_menu{display:block;display:-webkit-flex;display:flex;justify-content:space-around;width:100%;height:60px;min-width:320px;background:#fff;box-shadow:0 -2px 10px 0 rgba(0,0,0,.2);color:#232323;}
	.phone_footer_menu a{display:inline-block;padding-top:30px;width:58px;background-size:24px 24px;text-align:center;}
	.phone_footer_menu a:hover{color:#2f90c9;}
	.a_search{background:url(../img/phone/search_gray.png) no-repeat center 5px;}
	.a_cart{background:url(../img/phone/cart_gray.png) no-repeat center 5px;position:relative;}
	.a_cart .cart_num{top:2px;}
	.a_account{background:url(../img/phone/account_gray.png) no-repeat center 5px;}
	/*2021-05-24 footer*/
	.footer-top .footer-nav,.footer-top .float-R{width:100%;}
	.footer-top .float-R .img-box{margin-top:10px;}
	/*20211223 产品card*/
	.product-card .img-box{height:220px;line-height:210px;}
}
@media only screen and (max-width:780px){
	.footer-nav ul {width: auto;}
	table colgroup{display:none;}
	/*20211223 产品card*/
	.product-card .img-box{height:200px;line-height:190px;}
}
@media only screen and (max-width:480px){
	.footer-top .float-R .img-box{width:80px;height:80px;}
	/*20211223 产品card*/
	.product-card .img-box{height:190px;line-height:180px;}
}
@media only screen and (max-width:320px){
	.menu_box{left:-330px;}
	.menu_show{left:0;}
	.footer-top ul.float-R li:first-child { visibility: visible;}
	/*20211223 产品card*/
	.product-card .img-box{height:180px;line-height:170px;}
}