.body-warp {
    padding: 70px 0 60px 0;
}

.body-warp .group-warp {
    width: 1280px;
    margin: 0 auto;
}

.body-warp .group-li {
    padding-bottom: 50px;
}

.body-warp .update-month {
    color: #343A48;
    font-size: 30px;
    font-weight: 500;
    padding-left: 20px;
}

.body-warp .item-list {
    margin-top: 30px;
    display: table;
}

.body-warp .item-list li {
    background: #fff;
    width: 295px;
    display: inline-block;
    margin-left: 20px;
    margin-bottom: 20px;
    padding: 12px;
    border-radius: 6px;
    vertical-align: top;
}

.body-warp .item-list .avatar-box {
    position: relative;
    width: 100%;
    height: 160px;
    display: inline-block;
}

.body-warp .item-list .avatar-box img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 6px;
}

.body-warp .item-list .title {
    color: #343A48;
    font-size: 18px;
    margin-top: 12px;
    font-weight: 500;
    display: block;
}

.body-warp .item-list .title:hover {
    color: #606978;
}

.body-warp .item-list .update {
    margin-top: 10px;
    overflow: hidden;
}

.body-warp .item-list .update-icon {
    width: 20px;
    display: inline-block;
    vertical-align: middle;
}

.body-warp .item-list .update-at {
    color: #343A48;
    vertical-align: middle;
}

.body-warp .item-list .teacher {
    margin-top: 10px;
    overflow: hidden;
}

.body-warp .item-list .teacher-avatar {
    width: 30px;
    display: inline-block;
    vertical-align: middle;
    border-radius: 50%;
}

.body-warp .item-list .teacher-name {
    color: #343A48;
    vertical-align: middle;
}

.body-warp .item-list .category-name {
    color: #606978;
    margin-top: 10px;
    display: block;
}

.body-warp .item-list .category-name:hover {
    color: #343A48;
}