.banner{background-size:cover;background-repeat:no-repeat;background-position:center;background-image:url(../image/page-banner-mobi.jpg);padding:7rem 0}@media (min-width:768px){.banner{background-image:url(../image/page-banner-mobi.jpg);padding:7rem 0}}@media (min-width:1200px){.banner{background-image:url(../image/page-banner.jpg);padding:7rem 0}}.banner .subTitle{color:#00fdc2}.banner .nav-item.leng{border-left:1px solid #006d76}.main-content .content-header{background-color:#fff;border-radius:1.5rem 1.5rem 0 0;padding:2rem 0}@media (min-width:768px){.main-content .content-header{padding:2rem 1.5rem;top:-4rem}}.main-content .btn-fontSize{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;border-radius:50%;width:2.5rem;height:2.5rem;border:1px solid #666;color:#666;padding:0}.main-content .btn-fontSize.active{border-color:#006d76;color:#fff;background-color:#006d76}.main-content-article{padding-left:20px;max-width:70em}.main-content-article .article-title{font-size:1.5em}.main-content-article p{font-size:1em}.main-content-article b{color:#006d76}.main-content-article ol{font-size:.9em}.main-content-article ol li{padding-bottom:.8em;list-style:lower-alpha}.list-menu-group .list-menu-item{padding:.5rem .25rem}@media (min-width:768px){.list-menu-group .list-menu-item{padding:1rem .5rem}}.list-menu-group .list-menu-item.active{color:#006d76;border-color:#adb5bd}.list-menu-group .list-menu-item.active::before{content:'';display:inline-block;width:0;height:0;border-style:solid;border-width:7px 0 7px 14px;border-color:transparent transparent transparent #006d76;margin-right:5px}.list-group .list-group-item a{color:#666}.list-group .list-group-item a:hover{color:#006d76}.download-link{display:-webkit-box;display:-ms-flexbox;display:flex}.download-link .icon_download{-ms-flex-negative:0;flex-shrink:0;display:inline-block;width:1.75rem;height:1.75rem;background-image:url(../image/icon/icon_download.png);background-size:contain;background-repeat:no-repeat;background-position:center;margin-right:.5rem}.btn-goBack{position:relative}.btn-goBack .fa-arrow-right{width:1rem;height:1rem;color:#6c757d}.btn-goBack:hover .fa-arrow-right{color:#fff}