.page-main {
    padding: 50px 0;
}

.page-main section {
    width: 1200px;
    margin: 0 auto;
}

.page-main section .page-items .page-item {
    padding: 47px 0;
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid #f1f1f1;
    cursor: pointer;
}

.page-main section .page-items .page-item .cover {
    width: 194px;
}

.page-main section .page-items .page-item .cover img {
    width: 100%;
    display: block;
}

.page-main section .page-items .page-item .content {
    width: calc(100% - 194px - 100px - 100px);
    margin: 0 60px 0 45px;
}

.page-main section .page-items .page-item .content .title {
    position: relative;
    font-family: Source Han Sans CN, Source Han Sans CN;
    font-weight: 500;
    font-size: 24px;
    color: #111111;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    height: 51px;
    line-height: 51px;
}

.page-main section .page-items .page-item .content .title::before {
    content: " ";
    display: block;
    width: 4px;
    height: 4px;
    background-color: #000;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: -20px;
    transform: translateY(-50%);
}

.page-main section .page-items .page-item .content .desc {
    font-family: Source Han Sans CN, Source Han Sans CN;
    font-weight: 400;
    font-size: 14px;
    color: #999999;
    line-height: 24px;
    text-align: left;
    font-style: normal;
    text-transform: none;
    margin-top: 20px;
    display: -webkit-box;
    overflow: hidden;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.page-main section .page-items .page-item .time {
    width: 100px;
    font-family: Arial, Arial;
    font-weight: 400;
    font-size: 16px;
    color: #b6b6b6;
    line-height: 19px;
    height: 51px;
    line-height: 51px;
}

@media screen and (max-width: 700px) {
    .page-main section {
        width: 100%;
        padding: 0 20px;
    }
    
    .page-main section .page-items .page-item {
        flex-direction: column;
    }
    
    .page-main section .page-items .page-item .cover {
        width: 100%;
        margin-bottom: 20px;
    }
    
    .page-main section .page-items .page-item .content {
        width: 100%;
        margin: 0;
    }
    
    .page-main section .page-items .page-item .time {
        width: 100%;
        margin-top: 10px;
    }
}