#activity {
    padding-bottom: 50px;
}

.banner {
    width: 100%;
    height: 20vw;
}
.btnList{
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin: 20px 0;

}
.btnList .btn{
    display: flex;
    align-items: center;
    cursor: pointer;
    text-decoration: none;
    height: 50px;
    padding: 0 20px;
    border-radius: 15px;
    border: 1px solid #409eff;
    text-align: center;
    line-height: 50px;
    font-size: 16px;
    color: #409eff;
    background: #ffffff;
}

/* 手机端分类按钮适当缩小 */
@media only screen and (max-width: 767px) {
    .btnList .btn {
        height: 40px;
        line-height: 40px;
        padding: 0 12px;
        font-size: 14px;
    }
}
.btnList .btn i{
    margin-right: 5px;
    font-size: 20px;
}
.btnList .btn:hover{
    background: #409eff;
    color: #ffffff;
    box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1)
}
.activity-item {
    background: #FFFFFF;
    position: relative;
    padding: 30px 35px;
    margin-bottom: 20px;
    border-radius: 3px;
    display: flex;
    box-shadow: 0 2px 12px 0 rgb(0 0 0 / 10%);
}

/* 手机端活动卡片压缩内边距 */
@media only screen and (max-width: 767px) {
    .activity-item {
        padding: 20px 15px;
    }
}

.activity-item img {
    border-radius: 5px;
    height: 140px;
    width: 100%;
    display: block;
    transition-duration: 500ms;
}

.activity-item img:hover {
    transform: scale(1.1) translateZ(0);
}

.activity-item .item-title {
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    cursor: pointer;
    margin-top: 0;
    font-size: 17px;
    margin-bottom: 15px;
}

.item-title a {
    text-decoration: none;
    color: #303133;
}

.activity-item .item-desc {
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: #303133;
    margin: 7px 0 0;
    font-size: 14px;
}

.item-desc i {
    color: #409eff;
    font-size: 20px;
    margin-right: 5px;
}

.item-desc span {
    color: #606266;
}

.activity-item .item-time {
    border-radius: 3px;
    display: block;
    height: 117px;
    width: 100%;
    text-align: center;
    border: 1px solid #ccc;
    color: #666;
    margin: 11px 0;
}

.item-time b {
    font-size: 48px;
    color: #333;
    font-weight: 400;
    display: block;
    margin-top: 12px;
    margin-bottom: 5px;
}