.about-main{position:relative;display:flex;justify-content:center;min-height:500px;padding:50px 0 100px;background-color:var(--bg-silver-black1)}.about-main>.container{width:90%}.about-main>.container>.left{display:flex;justify-content:center}.about-main>.container>.left>ul{display:flex}.about-main>.container>.left>ul>li>a{position:relative;display:block;width:50px;height:50px;line-height:50px;border-radius:50px;text-align:center;font-size:15px;background-color:var(--about-nav-bg);box-shadow:0 0 5px #1c1f2114}.about-main>.container>.left>ul>li>a>i{font-size:24px;color:#1bc3cc}.about-main>.container>.left>ul>li>a>span{display:none}.about-main>.container>.left>ul>li>a:hover{color:#fff;background-image:linear-gradient(90deg,#48aae7,#34d07d)}.about-main>.container>.left>ul>li>a:hover>i{color:#fff}.about-main>.container>.left>ul>li>a.router-link-active{color:#fff;background-image:linear-gradient(90deg,#48aae7,#34d07d)}.about-main>.container>.left>ul>li>a.router-link-active>i{color:#fff}.about-main>.container>.left>ul>li+li{margin-left:10px}.about-main>.container>.right{margin-top:30px}@media screen and (min-width:576px){.about-main>.container>.left>ul>li>a{width:120px;height:40px;line-height:40px;border-radius:5px;background-color:var(--about-nav-bg)}.about-main>.container>.left>ul>li>a>i{margin-right:5px;font-size:18px}.about-main>.container>.left>ul>li>a>span{display:inline}.about-main>.container>.left>ul>li+li{margin-left:10px;margin-top:0}.about-main>.container>.right{margin-top:50px}}@media screen and (min-width:768px){.about-main>.container{display:flex;justify-content:space-between}.about-main>.container>.left{position:relative;top:60px;width:120px;height:500px}.about-main>.container>.left>ul{display:block}.about-main>.container>.left>ul>li+li{margin-left:0;margin-top:20px}.about-main>.container>.right{width:calc(100% - 160px);margin-top:0}}@media screen and (min-width:992px){.about-main>.container{width:80%}.about-main>.container>.right{width:calc(100% - 180px)}}@media screen and (min-width:1400px){.about-main>.container{width:65%}}