#main .tab ul{position:relative;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;border:1px solid rgba(0,0,0,0)}#main .tab ul li{margin:0;width:20%}@media(max-width: 1440px){#main .tab ul li{width:25%}}@media(max-width: 1200px){#main .tab ul li{width:30%}}@media(max-width: 992px){#main .tab ul li{width:35%}}@media(max-width: 576px){#main .tab ul li{width:45%}}.use_page nav.nav4{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:space-evenly;-ms-flex-pack:space-evenly;justify-content:space-evenly;max-width:100%}.use_page nav.nav4 a{width:auto;margin:0 auto}.use_page nav.nav3{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:space-evenly;-ms-flex-pack:space-evenly;justify-content:space-evenly}.use_page nav.nav3 a{width:auto;margin:0}.use_page article li .triangle_icon{position:relative;color:#000}.use_page article li .triangle_icon::before{content:"";display:inline-block;width:0;height:0;border-style:solid;border-width:0 7.5px 15px 7.5px;border-color:rgba(0,0,0,0) rgba(0,0,0,0) #000 rgba(0,0,0,0)}