.part3 {
    padding: 47.5px 0 38.5px;
}

.part3 .layout .box {
    /* margin-top: 45px; */
}

.part3 .layout .box .tab {
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
    padding-bottom: 7px;
    border-bottom: 1px solid #9d9d9d;
}

.part3 .layout .box .tab li {
    position: relative;
    margin: 0 90.5px;
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: 500;
    font-size: 26px;
    color: #9B9B9B;
    cursor: pointer;
}

.part3 .layout .box .tab li::after {
    opacity: 0;
    content: "";
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 2px;
    background-color: #c30000;
}

.part3 .layout .box .tab .on {
    color: #c30000;
}

.part3 .layout .box .tab .on::after {
    opacity: 1;
}

.part3 .layout .box .contentbox .content ul {
    margin-bottom: 40px;
}

.part3 .layout .box .contentbox .content ul li {
    padding: 26px 14px 26px 28px;
    margin-right: 34px;
    margin-top: 20px;
    float: left;
    background: #FFFFFF;
    box-shadow: 1px 2px 4px 1px rgba(194, 194, 194, 0.5);
    min-height: 199px;
}

.part3 .layout .box .contentbox .content ul li:nth-child(2n) {
    margin-right: 0;
}
.part3 .layout .box .contentbox .content ul li:nth-child(1),
.part3 .layout .box .contentbox .content ul li:nth-child(2) {
    margin-top: 0;
}

.part3 .layout .box .contentbox .content ul li a {
    display: flex;
    align-items: center;
}

.part3 .layout .box .contentbox .content ul li a .imgbox {
    margin-right: 17px;
    width: 238px;
    height: 122px;
    overflow: hidden;
}

.part3 .layout .box .contentbox .content ul li a .imgbox img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.part3 .layout .box .contentbox .content ul li a .detail p {
    width: 252px;
    font-family: PingFangSC, PingFang SC;
    font-weight: 500;
    font-size: 18px;
    color: #333333;
    line-height: 25px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    word-break: break-all;
}

.part3 .layout .box .contentbox .content ul li a .detail hr {
    margin: 9px 0 4px;
    width: 55px;
    height: 3px;
    background: #C60002;
}

.part3 .layout .box .contentbox .content ul li a .detail span {
    margin-top: 5px;
    display: block;
    font-family: PingFangSC, PingFang SC;
    font-weight: 400;
    font-size: 16px;
    color: #666666;
    line-height: 25px;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
    text-overflow: ellipsis;
    width: 278px;
}