body{padding-bottom:51px}.bottom-menubar{width:100%;max-width:540px;background-color:#fff;z-index:10;border-top:1px solid #ddd;display:flex;align-items:center;position:fixed;bottom:0}.bottom-menubar .tabbar{flex:1;text-align:center;font-size:8.5pt;color:#999;cursor:pointer;position:relative;line-height:1.1;padding:4px 0}
.bottom-menubar .tabbar *{-webkit-user-select:none;user-select:none}.bottom-menubar .tabbar:before{content:"";width:24px;height:24px;display:block;margin:0 auto;background:url("images/tab_home.png") center center no-repeat transparent;background-size:20px 20px}
.bottom-menubar #home.tabbar:before{background-image:url("images/tab_home.png")}.bottom-menubar #home.tabbar.active:before{background-image:url("images/tab_home_active.png")}.bottom-menubar #video.tabbar:before{background-image:url("images/tab_video.png")}
.bottom-menubar #video.tabbar.active:before{background-image:url("images/tab_video_active.png")}.bottom-menubar #course.tabbar:before{background-image:url("images/tab_course.png")}.bottom-menubar #course.tabbar.active:before{background-image:url("images/tab_course_active.png")}
.bottom-menubar #product.tabbar:before{background-image:url("images/tab_product.png")}.bottom-menubar #product.tabbar.active:before{background-image:url("images/tab_product_active.png")}
.bottom-menubar #discovery.tabbar:before{background-image:url("images/tab_discovery.png")}.bottom-menubar #discovery.tabbar.active:before{background-image:url("images/tab_discovery_active.png")}
.bottom-menubar #tweet.tabbar:before{background-image:url("images/tab_shequ.png")}.bottom-menubar #tweet.tabbar.active:before{background-image:url("images/tab_shequ_active.png")}.bottom-menubar #cart.tabbar:before{background-image:url("images/tab_cart.png")}
.bottom-menubar #cart.tabbar.active:before{background-image:url("images/tab_cart_active.png")}.bottom-menubar #my.tabbar:before{background-image:url("images/tab_my.png")}.bottom-menubar #my.tabbar.active:before{background-image:url("images/tab_my_active.png")}
.bottom-menubar .tabbar span{display:block;line-height:1.5}.bottom-menubar .tabbar.active span{color:#ff3356}.bottom-menubar .tabbar sup{background:#ff3356;position:absolute;top:4px;left:50%;margin-left:8px}
.bottom-menubar .tabbar sup.scale{transform:rotateY(360deg);transition:all .6s}.bottom-menubar .tabbar sup.dot{width:10px;height:10px;border-radius:10px;-webkit-border-radius:10px}.MyCartTPage .bb{bottom:49px;z-index:99}