.container {
    margin: 0 auto;
    max-width: 1200px;
}
.knowledge {
    margin-top: 36px;
}
.knowledge h2 {
    font-size: 22px;
    color: #0092ee;
    border-left: 3px solid #0092ee;
    padding-left: 10px;
    font-weight: bold;
    margin-bottom: 25px;
}
.knowledge,a{
    color: #242424;
}
.knowledge-category {
    border: 1px solid #ebebeb;
    overflow: hidden;
    border-right-style: none;
    border-bottom-style: none;
}
.knowledge-category-box {
    position: relative;
    overflow: hidden;
}
.knowledge-left {
    width: 16.66%;
    float: left;
    font-size: 20px;
    color: #333;
    text-align: center;
    height: 100%;
    background-color: #fafafa;
    border-bottom: 1px solid #ebebeb;
    position: absolute;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}
.knowledge-right {
    width: 83.33%;
    float: left;
    margin-left: 199px;
    /*min-height: 51px;*/
}
.knowledge-item {
    width: 33%;
    float: left;
    height: 50px;
    border-bottom: 1px solid #ebebeb;
    text-align: center;
}

.knowledge-item-productList {
    width: 6%;
    float: left;
    border-bottom: 1px solid #ebebeb;
    text-align: center;
    margin-right: 1px;
}
.knowledge-item-productList a {
    display: block;
    height: 100%;
    border-right: 1px solid #ebebeb;
    font-size: 16px;
}

h5 {
    display: block;
    font-size: .83em;
    margin-block-start: 1.67em;
    margin-block-end: 1.67em;
    margin-inline-start: 0;
    margin-inline-end: 0;
    font-weight: bold;
}
@media (max-width: 640px){
    .knowledge-right {
        margin-left: 57px;
    }
    .knowledge-item-productList {
        width: 33%;
        float: left;
        height: 50px;
        border-bottom: 1px solid #ebebeb;
        text-align: center;
    }
}
@media (min-width: 640px){
    .knowledge-right {
        margin-left: 101px;
    }
    .knowledge-item-productList {
        width: 25%;
        float: left;
        height: 50px;
        border-bottom: 1px solid #ebebeb;
        text-align: center;
    }

}