*{margin:0; padding:0;}
body {margin: 0;padding: 0;background: #f9f8fb;}
li {list-style: none;}
a {color: #000000;text-decoration: none;}
/*.ad {background: #ffffff}*/
.contain {position: relative;width: 1210px;margin:0 auto;}
.carousel {overflow: hidden;width: 100%;height: 500px;}
.slide_merck {display: flex;position: relative;}
.slide_merck img {position: relative;max-width: 1210px;max-height: 500px;}
.slide_merck>div {width: 100%;flex-shrink: 0;height: 400px;}
.indicator_merck {display: flex;justify-content: center;padding: 0;position: absolute;bottom: 10px;width: 100%;}
.indicator_merck .slide_li {list-style: none;margin: 0 8px;height: 10px;width: 10px;background: #c0c0c0;border-radius: 5px 5px;}
.indicator_merck .li-active {width: 30px;background: #19b3b0;}
.indicator_merck li:hover {cursor: pointer;}

.nav_merck {height: 50px;background: #16a5a1;width: 100%;}
.nav_merck .nav_menu {height: 50px;line-height: 50px;margin: auto;width: 1210px;position: relative;}
.nav_merck li {display: inline-block;font-size: 18px;font-weight: bold;height: 49px;line-height: 48px;width: 120px;text-align: center;}
.nav_merck li:hover {background: #19b3b0;}
.nav_merck .on {background: #19b3b0;}
.nav_merck a {color: #ffffff;font-size: 18px;}
.nav_merck .menu_list {position: relative;z-index: 10;text-align: left;}
.nav_merck .nav_list {position: relative;z-index: 5;margin-top: -52px;}

.block {margin: auto;width: 1210px;position: relative;padding-bottom: 20px;}
.block1 {width: 960px;margin: auto;display: inline-block;vertical-align: top;}
.block2 {width: 1210px;margin: auto;height: 600px;padding-left: 5px;}
.block1 .block_product {margin: 16px 4px 4px 8px;}
.block2 .block_product {width: 286px;height: 286px;margin: 16px 8px 0 8px;vertical-align: top;float: left;position: relative;}
.block1_title {width: 230px;text-align: center;margin: 17px 5px 10px 5px;display: inline-block;}
.block2_title {width: 1210px;text-align: center;display: block;margin: auto;}
.block3_title {width: 1210px;text-align: center;display: block;margin: auto;}
.block1_title img {width: 228px;}
.block2_title img {width: 314px;margin-bottom: 24px;}
.block3_title img {width: 655px;margin-top: 30px;}
.block_product {width: 225px;border: 0;background: #ffffff;display: inline-block;text-align: center;border-radius: 3px}
.block_product .label {line-height: 220px;margin: auto;font-size: 16px;}
.block_product p {margin: 0 10px;width: 200px;text-align: left;color: #7F7F7F;font-size: 14px;font-family: "微软雅黑";line-height: 24px;}
.block_product span {font-size: 14px;font-family: "微软雅黑";line-height: 24px;}
.block_product .product_price {color: #503292;font-size: 16px;line-height: 35px;font-weight: bold;height: 35px;}
.block_product .product_price span {color: #503292;font-size: 16px;line-height: 35px;}
.block_product .product_name {color: #272727;font-size: 14px;line-height: 20px;font-weight: bold;height: 45px;}
.block_product .product_name span {color: #272727;font-size: 14px;line-height: 20px;}
.block1 .block_product_img {width: 225px;height: 225px;}
.block2 .block_product_img {width: 286px;height: 286px;}
.product_page {display: flex;justify-content: center;padding: 0;width: 1210px;margin: auto;margin-top: 20px;}
.product_page .page_li {list-style: none;margin: 0 8px;height: 12px;width: 12px;background: #502e94;border-radius: 6px 6px;}
.t2 .product_page .li-active {background: #fed440;margin-top: -1px;}
.t4 .product_page .li-active {background: #fed440;margin-top: 1px;}
.product_page li:hover {cursor: pointer;}
.story {width: 1210px;margin-left: auto;margin-right: auto;text-align: center;}
.story_item {padding: 30px 70px;}
#after_sale {width: 1210px;margin-left: auto;margin-right: auto;text-align: left;margin-top: 40px;}
#after_sale .after_title {font-size: 15px;padding: 0 15px;color: #fed400;line-height: 28px;font-weight: bold;}
#after_sale .after_content {font-size: 14px;padding: 1px 20px;color: #ffffff;line-height: 26px;}
#after_sale span {font-size: 14px;padding: 0 5px;color: #dd1e54;line-height: 26px;}

.img-page {min-height: 400px;}
.img-page img {max-width: 1210px;display: block;margin: 0 auto;}

.lift-nav {position: fixed;top: 12%;z-index: 9999;display: block !important;opacity: 1;left: 0;}
.lift-nav li {width: 60px;height: 60px;padding-top: 20px;text-align: center;cursor: pointer;background: #16a5a1;color: #ffffff;border: 0;margin: 0;}
.lift-nav li.current {background: #19b3b0;color: #fed400;margin-top: -2px;margin-bottom: -2px;border-top: 1px solid #ffffff;}
.lift-nav li span {width: 45px;height: 98%;cursor: pointer;display: block;font-size: 16px;line-height: 20px;margin: auto;border-bottom: 1px solid #ffffff;padding: 0;}
.lift-nav li img {width: 30px;}
.lift-nav li p {line-height: 24px;font-size: 16px;margin-left: 10px;float: left;position:relative;top: 30%;transform: translateY(-30%);}
.hotline:hover .floating_right {margin-left: 60px;transform: translate(0%) scaleX(1);transition: .5s ease-out;opacity: 100;}
.floating_right {width: 220px;height: 79px;margin-left: -170px;margin-top: -49px;background: #16a5a1;color: #ffffff;border-radius: 0 4px 4px 0;opacity: 0;}
.floating_right img {vertical-align: middle;width: 20px !important;}

.block_product_icon1 {position: absolute;left: -7px;top: -6px;}
.block_product_icon2 {position: absolute;right: 0px;top: -6px;}