.bf-hot-ranking {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.bf-hot-header {
    padding: 20px 25px;
    border-bottom: 1px solid #eee;
}

.bf-hot-title {
    font-size: 24px;
    font-weight: 700;
    margin: 0 0 8px 0;
    color: #333;
}

.bf-hot-subtitle {
    font-size: 14px;
    color: #888;
}

.bf-hot-tabs {
    display: flex;
    border-bottom: 1px solid #eee;
    background: #f8f9fa;
}

.bf-hot-main-tabs {
    display: flex;
    border-right: 1px solid #eee;
}

.bf-hot-tab-btn {
    padding: 15px 30px;
    background: none;
    border: none;
    font-size: 16px;
    font-weight: 600;
    color: #666;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}

.bf-hot-tab-btn:hover {
    color: #dc3544;
}

.bf-hot-tab-btn.active {
    color: #dc3544;
    background: #fff;
}

.bf-hot-tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 3px;
    background: #dc3544;
}

.bf-hot-sub-tabs {
    display: flex;
    padding-left: 10px;
}

.bf-hot-sub-tab-btn {
    padding: 15px 20px;
    background: none;
    border: none;
    font-size: 14px;
    color: #888;
    cursor: pointer;
    transition: all 0.2s;
}

.bf-hot-sub-tab-btn:hover {
    color: #dc3544;
}

.bf-hot-sub-tab-btn.active {
    color: #dc3544;
    font-weight: 600;
}

.bf-hot-content {
    padding: 20px;
}

.bf-hot-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.bf-hot-item {
    display: flex;
    align-items: center;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    transition: all 0.2s;
}

.bf-hot-item:hover {
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.bf-hot-rank {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
    color: #999;
    margin-right: 15px;
    border-radius: 6px;
}

.bf-hot-rank.top3 {
    background: #dc3544;
    color: #fff;
}

.bf-hot-rank.top3.rank2 {
    background: #ffc107;
}

.bf-hot-rank.top3.rank3 {
    background: #fd7e14;
}

.bf-hot-thumbnail {
    width: 100px;
    height: 60px;
    border-radius: 6px;
    overflow: hidden;
    margin-right: 15px;
    flex-shrink: 0;
}

.bf-hot-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.bf-hot-info {
    flex: 1;
    min-width: 0;
}

.bf-hot-title-text {
    font-size: 15px;
    font-weight: 600;
    color: #333;
    line-height: 1.4;
    margin: 0 0 8px 0;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.bf-hot-title-text a {
    color: #333;
    text-decoration: none;
}

.bf-hot-title-text a:hover {
    color: #dc3544;
}

.bf-hot-meta {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 13px;
    color: #888;
}

.bf-hot-author {
    display: flex;
    align-items: center;
    gap: 6px;
}

.bf-hot-author img {
    width: 16px;
    height: 16px;
    border-radius: 50%;
}

.bf-hot-stat {
    display: flex;
    align-items: center;
    gap: 4px;
}

.bf-hot-stat i {
    font-size: 12px;
}

.bf-hot-topics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

@media (max-width: 768px) {
    .bf-hot-topics {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .bf-hot-topics {
        grid-template-columns: 1fr;
    }
}

.bf-hot-topic-card {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 15px;
    text-align: center;
    transition: all 0.2s;
}

.bf-hot-topic-card:hover {
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.bf-hot-topic-name {
    font-size: 14px;
    font-weight: 600;
    color: #333;
    margin: 0 0 10px 0;
}

.bf-hot-topic-name a {
    color: #333;
    text-decoration: none;
}

.bf-hot-topic-name a:hover {
    color: #dc3544;
}

.bf-hot-topic-count {
    font-size: 12px;
    color: #888;
}

.bf-video-badge {
    display: inline-block;
    padding: 2px 8px;
    background: #dc3544;
    color: #fff;
    font-size: 11px;
    border-radius: 4px;
    margin-left: 8px;
}

.bf-content-area {
    margin-bottom: 2rem;
}