main {
    min-height: calc(100vh - 215px);
}
/* 面包屑 */
.crumbs_nav_area {
    background-color: #fff;
    margin-bottom: 16px;
}

.crumbs_nav_area .crumbs_nav {
    width: 1000px;
    height: 52px;
    line-height: 52px;
    font-size: 14px;
    padding: 0;
    padding-left: 30px;
    border-bottom: none;
    margin: 0 auto;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.crumbs_nav_area .crumbs_nav a {
    color: #151515;
}

.crumbs_nav_area .crumbs_nav a i {
    margin-right: 8px;
}

.crumbs_nav_area .crumbs_nav .division {
    color: #e1e1e1;
    margin: 0 16px;
}

.crumbs_nav_area .crumbs_nav .title {
    color: #666666;
}
/* 列表 */
section {
    padding: 0;
}
.topic_list {
    display: flex;
    flex-direction: column;
    padding: 24px;
    height: 100%;
    font-size: 14px;
    background-color: #fff;
    border-radius: 12px;
}

.topic_list .no_data {
    text-align: center;
    font-size: 16px;
}
.topic_item {
    display: flex;
    margin-bottom: 25px;
}
.topic_item a:hover {
    opacity: 1;
}
.topic_item p {
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
    padding: 0;
    line-height: 30px;
}
.topic_item .title {
    font-size: 16px;
    color: #151515;
    text-overflow: ellipsis;
    word-spacing: normal;
    word-break: break-all;
}
.topic_item .content {
    font-size: 14px;
    color: #777777;
    white-space: normal;
    word-break: break-all;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
}
.topic_item img {
    width: 260px;
    height: 120px;
    margin-right: 20px;
}
.topic_item .list_info {
    width: 0;
    flex: 1;
    display: flex;
    flex-direction: column;
}