a{
    text-decoration: none;
    color:#333;
}
a:hover, a:visited, a:link, a:active {
   color:#333;
}

.mainBg {
    min-width: 1366px;
}
.duration-300 {
    transition-duration: 300ms;
}
.ease-linear {
    transition-timing-function: linear;
}
.transition-colors {
    transition-property: background-color, border-color, color, fill, stroke;
}
.relative {
    position: relative;
}
.bg-light-elevatedSurface {
    --bg-opacity: 1;
    background-color: #fff;
    background-color: rgba(255, 255, 255, var(--bg-opacity));
}
.knowledge_center[data-v-a188aa2e] {
    padding-top: 4.5rem;
    background: #fff;
}

/* banner */
.helpDocument {
    width: 100%;
    height: 20rem;
    background: url(https://picture.sangfor.com.cn/xyclouds/images/knowledgeCenter.png);
    display: flex;
    display: -ms-flexbox;
    flex-direction: column;
    align-items: center;
    padding-top: 4rem;
}
.helpDocument .title {
    text-align: center;
    color: #fff;
    font-family: Alibaba-PuHuiTi-R;
    font-size: 2.5rem;
    margin-bottom: 2rem;
}
.helpDocument .input {
    width: 60rem;
}
.el-input-group {
    line-height: normal;
    display: inline-table;
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}
.el-input {
    position: relative;
    font-size: 14px;
    display: inherit;
    width: 100%;
}
.helpDocument .input .el-input__inner {
    width: 100%;
    height: 3rem;
    font-size: 14px;
    border: 1px solid #cccfd9;
    border-right: unset;
    padding-left: 1.5rem;
    border-radius: 0;
}
.helpDocument .input .el-input__inner::placeholder{
    color: #cccfd9;
}
.el-input-group>.el-input__inner {
    vertical-align: middle;
    display: table-cell;
}
.el-input__inner {
    background-color: #fff;
    background-image: none;
    border-radius: 4px;
    border: 1px solid #dcdfe6;
    box-sizing: border-box;
    color: #333;
    display: inline-block;
    font-size: inherit;
    height: 40px;
    line-height: 40px;
    outline: 0;
    padding: 0 15px;
    transition: border-color .2s cubic-bezier(.645,.045,.355,1);
    width: 100%;
}
button, input {
    overflow: visible;
}
.helpDocument .input .el-input-group__append {
    border: unset;
    border-radius: unset;
    color: #fff;
    padding: 0;
    text-align: center;
    cursor: pointer;
}
/* 知识中心 */
.knowledge-content {
    width: 1280px;
}
.mx-auto {
    margin-left: auto;
    margin-right: auto;
}
.main {
    display: flex;
    display: -ms-flexbox;
    padding: 2rem 0;
    font-size: .88rem;
    color: #000;
}

/* left */
.main .left {
    width: 17.15rem;
    position: relative;
}

.main .left .fixed-left{
    position: sticky;
    top: 30px;
}

.main .left .category {
    padding: 1.5rem 2rem 1.44rem;
    background: #f7f8fa;
}
.category {
    font-size: 1.13rem;
    font-weight: 550;
}
.main .left .list {
    background: #f7f8fa;
    padding: 0 2rem 1.5rem;
}
.main .left .list .list-item {
    line-height: 2.75rem;
    cursor: pointer;
}
.main .left .list .list-item:hover{
    color: #f39801;
}

.items-center {
    align-items: center;
}
.flex {
    display: flex;
}
.main .right {
    padding-left: 3.375rem;
    width: 100%;
}

.main .right .item {
    margin-bottom: 2.25rem;
    flex-direction: column;
    padding: 0;
    background: none;
    border: none;
    height: auto;

}
.main .right .item .item-title {
    margin-bottom: 1rem;
    margin-right: auto;
    
}
.main .right .item .item-title img {
    width: 1.23rem;
    height: 1.23rem;
    margin-right: 0.72rem;
}

.category {
    font-size: 1.13rem;
    font-weight: 550;
}
.main .right .item .list-info {
    width: 100%;
    flex-wrap: wrap;
}

.main .right .item .list-info a p:hover{
    color: #333;
    border: 0.06rem solid #f39801;
}

.main .right .item .list-info .info {
    cursor: pointer;
    background-color: #fcfcfc;
    width: 11.5rem;
    height: 4rem;
    line-height: 4rem;
    padding: 0 1.5rem;
    margin-right: 0.75rem;
    margin-bottom: 0.75rem;
    border: 0.06rem solid #ebecf0;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    word-break: break-all;
}