.md19426.md-product{width: 100%;padding:1rem 0;background-color: #f4f4f6;}
.md19426.md-product img{display: inline-block;vertical-align:middle;max-width: 100%;}
.md19426.md-product .layout{width: 16rem;max-width: 92%;margin: 0 auto;}
.md19426.md-product .wm-navbox{width: 100%;font-size: 0;text-align: center;padding-bottom: .3rem;}
.md19426.md-product .wm-nav{transition: all .3s; display: inline-block;vertical-align: middle;cursor: pointer;position: relative;margin: 0 .05rem .3rem;color: #e00014;min-width: 1.92rem;text-align: center;padding: 0 .15rem;line-height: .66rem;border-radius: .33rem;border: solid 1px #e00014;}
.md19426.md-product .wm-nav:after{opacity: 0;transition: all .3s; content: '';position: absolute;bottom: -.1rem;left: 50%;transform: translate(-50%,0);border-top: .11rem solid #e00014;border-left: .1rem solid transparent;border-right: .1rem solid transparent;}
.md19426.md-product .wm-nav:hover{background-color: #e00014;color: #fff;}
.md19426.md-product .wm-nav:hover:after{opacity: 1;} 
.md19426.md-product .wm-nav.active{background-color: #e00014;color: #fff;}
.md19426.md-product .wm-nav.active:after{opacity: 1;}  
.md19426.md-product .wm-textbox{width: 100%;padding: 0 .8rem .6rem;color: #666666;line-height: 1.8;background-color: #ffffff;}
.md19426.md-product .wm-textbox *{line-height: inherit;max-width: 100%;} 
@media (max-width: 750px) {
     .md19426.md-product .wm-textbox{padding: 0 .3rem .3rem;}
}