.brand-unit-item {
    margin-top: 16px;
    background: #F8F9FC;
    padding: 14px 0;
    border-radius: 12px 0 12px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand-unit-item li {
    width: 21%;
    padding: 0 12px;
    text-align: center;
    line-height: 1;
    box-sizing: border-box;
    border-right: 1px solid #E6E6E6
}

.brand-unit-item li:last-child {
    border-right: 0;
    padding-right: 0;
    width: 20%
}

.brand-unit-item li:nth-child(2) {
    width: 22%;
    overflow: hidden
}

.brand-unit-item li:nth-child(4) {
    width: 17%;
    overflow: hidden
}

.brand-unit-item li:nth-child(3) {
    width: 20%
}

.brand-unit-item li h4 {
    font-size: 18px;
    line-height: 1.2;
    font-weight: bold;
    color: #111E36;
    width: 100%;
    height: 20px;
    text-align: left
}

.brand-unit-item li h4 .ico-explain {
    width: 15px;
    height: 15px;
    display: inline-block;
    background: url(../image/tishi.png) no-repeat;
    background-size: auto 100%;
    margin-left: 5px;
    position: relative
}

.brand-unit-item li h4 .ico-explain:hover {
    background: url(../image/tishih.png) no-repeat;
    background-size: auto 100%;
    cursor: pointer
}

.brand-unit-item li h4 .ico-explain:hover .explain-content {
    display: block
}

.brand-unit-item li h4 .ico-explain img {
    width: 100%
}

.brand-unit-item li p {
    padding-bottom: 6px;
    line-height: 1;
    color: #666D7F;
    font-size: 14px;
    text-align: left
}

.brand-unit-item li p .used-youjiantou {
    font-size: 12px
}

.brand-unit-item li a {
    color: #666D7F
}
.brand-unit-item li a:hover {
    cursor: pointer
}

.brand-unit-item li .explain-content {
    display: none;
    width: 210px;
    background: #fff;
    box-sizing: border-box;
    padding: 14px;
    box-shadow: 0 3px 24px 0 rgba(117,117,117,0.12);
    border-radius: 4px;
    font-size: 13px;
    line-height: 20px;
    position: absolute;
    right: -15px;
    top: 25px;
    color: #111E36;
    z-index: 9
}

.brand-unit-item li .explain-content::before {
    content: "";
    display: block;
    width: 15px;
    height: 9px;
    background: url(../image/right-arrow.png) no-repeat;
    background-size: 100% auto;
    position: absolute;
    right: 20px;
    top: -9px
}