#knowledge {
    padding: 50px 0;
}
#knowledge .sort li{
    width: 90%;
    max-width: 250px;
    padding: 7px 0;
    margin: 0 0 10px;
    border: 1px solid #ddd;
    font-size: 1.1em;
    text-align: center;
    cursor: pointer;
}
#knowledge .sort li:hover,
#knowledge .sort li.active{
    border: 1px solid #f8a234;
    background-color: #f8a234;
    color: #fff;
}


#knowledge .part{
    display: none;
}
#knowledge .part.active{
    display: block;
}


#knowledge .itembox .breadcrumb{
    letter-spacing: 2px;
    color: #777;
    margin-bottom: 20px;
}
#knowledge .itembox .breadcrumb span{
    margin: 0 5px;
}
#knowledge .itembox h4{
    color: #002C4F;
    margin-bottom: 20px;
}
#knowledge .itembox h6{
    margin-bottom: 20px;
    padding-left: 17px;
    position: relative;
}
#knowledge .itembox h6::before{
    content: '';
    width: 7px;
    height: 100%;
    background-color: #f8a234;
    display: inline-block;
    position: absolute;
    left: 0;
    top: 0;
}


#knowledge .subbox-link{
    margin-bottom: 30px;
}
#knowledge .subbox-link .item_link,
#knowledge .subbox-link .item_download{
    width: 100%;
    margin-bottom: 12px;
    padding: 12px 10px 12px 30px;
    color: #777;
    background-color: #f7f7f7;
    position: relative;
}
#knowledge .subbox-link .item_link::before,
#knowledge .subbox-link .item_download::before{
    content: '';
    width: 10px;
    height: 100%;
    background-color: #f8a234;
    display: inline-block;
    position: absolute;
    left: 0;
    top: 0;
}
#knowledge .subbox-link .item_download::after,
#knowledge .subbox-link .item_link::after{
    display: inline-block;
    position: absolute;
    top: calc(50% - 15px);
    right: 20px;
}
#knowledge .subbox-link .item_download::after{
    content: url(../img/icon-download.png);
}
#knowledge .subbox-link .item_link::after{
    content: url(../img/arrow.png);
}

#knowledge .subbox-link .item_link:hover,
#knowledge .subbox-link .item_download:hover{
    color: #fff;
    background-color: #f8a234;
}
#knowledge .subbox-link .item_link:hover::before,
#knowledge .subbox-link .item_download:hover::before{
    background-color: rgba(255, 255, 255, .4);
}
#knowledge .subbox-link .item_link:hover::after{
    content: url(../img/arrow_w.png);
}
#knowledge .subbox-link .item_download:hover::after{
    content: url(../img/icon-download_w.png);
}


#knowledge .item_table{
    width: 100%;
    min-width: 600px;
    margin-bottom: 30px;
    text-align: left;
}
#knowledge .item_table tr{
    border-bottom: #fff 5px solid;
}
#knowledge .item_table thead th{
    padding: 5px 15px;
}
#knowledge .item_table thead th:nth-child(1){
    border-right: #fff 5px solid;
}
#knowledge .item_table tbody td{
    padding: 15px;
    background-color: #f7f7f7;
    max-width: 320px;
}
#knowledge .item_table tbody td:nth-child(1){
    border-right: #fff 5px solid;
    background-color: #f8a234;
    color: #fff;
}
#knowledge .item_table ul{
    padding-left: 20px;
}
#knowledge .item_table ul li{
    list-style: disc;
}
#knowledge4 .item_table td > ul > li{
    list-style: decimal;
}


@media screen and (max-width: 1023px){
    #knowledge .sort,
    #knowledge .itembox{
        width: 100%;
        margin-left: 0;
    }
    #knowledge .sort{
        margin-bottom: 20px;
    }
    #knowledge .sort li{
        width: calc(25% - 14px);
        max-width: unset;
        /* padding: 7px 0; */
        margin: 0 10px 10px 0;
        /* border: 1px solid #ddd; */
        /* font-size: 1.1em; */
        /* text-align: center; */
        /* cursor: pointer; */
        display: inline-block;
    }
}
@media screen and (max-width: 768px){
    #knowledge .sort li{
        width: calc(33.3333% - 14px);
        font-size: .9em;
    }
    .subbox-table{
        overflow-x: auto;
    }
}
@media screen and (max-width: 600px){
    #knowledge .sort li{
        width: calc(50% - 9px);
    }
    #knowledge .sort li:nth-child(even){
        margin: 0 0 10px 0;
    }
}