.header-content .hot-keyword label {
    color: rgba(0, 0, 0, 0.672);
}
.header-content .hot-keyword a {
    color: rgba(0, 0, 0, 0.552);
}
.activity-page {
    margin-top: 80px;
}

.activity-card {
    position: relative;
    width: 100%;
    height: 509px;
}
.activity-card   .activity-card {
    margin-top: 57px;
}

.activity-card .activity-cover {
    width: 742px;
    height: 509px;
    object-fit: scale-down;
}

.activity-card .activity-info {
    position: absolute;
    top: 65px;
    right: 0;
    box-sizing: border-box;
    padding: 56px 56px 43px;
    width: 537px;
    height: 365px;
    color: #000;
    background: #ffffff;
    box-shadow: 0px 6px 19px 0px rgba(0, 0, 0, 0.08);
}
.activity-card .activity-info:hover {
    color: #fff;
    background-color: #004fed;
}
.activity-card .activity-info:hover .activity-title::after {
    background-color: #fff;
}
.activity-card .activity-title {
    height: 74px;
    font-size: 26px;
    font-weight: 600;
    line-height: 37px;
    letter-spacing: 1px;
}
.activity-card .activity-title::after {
    display: block;
    margin-top: 24px;
    width: 61px;
    height: 2px;
    content: "";
    background-color: #000;
}
.activity-card .activity-desc {
    margin-top: 50px;
    height: 144px;
    font-size: 16px;
    font-weight: 400;
    line-height: 24px;
    display: -webkit-box;
    overflow: hidden;
    -o-text-overflow: ellipsis;
    text-overflow: ellipsis;
    -webkit-line-clamp: 6;
    -webkit-box-orient: vertical;
}

.activity-card:nth-child(even) .activity-cover {
    float: right;
}
.activity-card:nth-child(even) .activity-info {
    left: 0;
}
.activity-card:nth-child(even) .activity-title::after {
    margin-left: 364px;
}

.activity-list {
    margin-top: 102px;
}
.activity-list_item {
    box-sizing: border-box;
    padding: 32px 52px 12px 61px;
    color: #000000;
    background: #ffffff;
    box-shadow: 0px 6px 19px 0px rgba(0, 0, 0, 0.08);
    transition: all 200ms ease-in;
}
.activity-list_item:hover {
    transform: translate(0, -8px);
    box-shadow: 0px 6px 19px 0px rgba(0, 0, 0, 0.17);
}
.activity-list_item   .activity-list_item {
    margin-top: 30px;
}
.activity-list_item-title {
    width: 900px;
    height: 37px;
    font-size: 26px;
    font-weight: 600;
    line-height: 37px;
    letter-spacing: 1px;
}
.activity-list_item-title::after {
    display: block;
    margin-top: 10px;
    width: 84px;
    height: 2px;
    content: "";
    background-color: #000;
}
.activity-list_item-desc {
    margin-top: 25px;
    height: 75px;
    font-size: 16px;
    font-weight: 400;
    line-height: 25px;
    opacity: 0.6;
}
.activity-list_item-source-date {
    font-size: 12px;
    font-weight: 400;
    line-height: 37px;
    opacity: 0.6;
}
.activity-list_item-source-date span   span {
    margin-left: 20px;
}
.activity-list_item-source{
  display: inline-block;
  max-width: 90px;
  vertical-align: middle;
}