/**
 * 频道系统样式
 * 
 * Hurricane v3.0
 * 支持电影、资讯、影评等多频道展示
 */

/* ========================================
   频道区块容器
   ======================================== */

.channel-section {
    padding: 60px 0;
    background-color: var(--bg-secondary);
}

.channel-section:nth-child(even) {
    background-color: var(--bg-primary);
}

.channel-section-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 频道头部 */
.channel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 3px solid var(--accent-primary);
}

.channel-title {
    font-size: 32px;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.channel-icon {
    font-size: 36px;
    line-height: 1;
}

.channel-description {
    font-size: 14px;
    color: var(--text-tertiary);
    margin: 8px 0 0 0;
}

.channel-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 8px;
    background-color: var(--accent-primary);
    color: #ffffff !important; /* 强制白色文字 */
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
}

.channel-link:hover {
    background-color: var(--accent-secondary);
    transform: translateX(4px);
    color: #ffffff !important; /* 悬停时保持白色 */
}

.channel-link svg {
    width: 16px;
    height: 16px;
}

/* ========================================
   频道导航（横向）
   ======================================== */

.channel-nav {
    display: flex;
    gap: 8px;
    padding: 20px 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.channel-nav::-webkit-scrollbar {
    height: 4px;
}

.channel-nav::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: 2px;
}

.channel-nav-item {
    flex-shrink: 0;
    padding: 10px 20px;
    border-radius: 8px;
    background-color: var(--bg-card);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.channel-nav-item:hover,
.channel-nav-item.active {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
    color: #ffffff;
}

/* ========================================
   频道统计
   ======================================== */

.channel-stats {
    display: flex;
    gap: 30px;
    margin-top: 20px;
    padding: 20px;
    background-color: var(--bg-tertiary);
    border-radius: 12px;
}

.channel-stat-item {
    text-align: center;
}

.channel-stat-number {
    font-size: 28px;
    font-weight: 800;
    color: var(--accent-primary);
    display: block;
    margin-bottom: 5px;
}

.channel-stat-label {
    font-size: 13px;
    color: var(--text-tertiary);
}

/* ========================================
   电影频道特殊样式
   ======================================== */

.movie-channel .content-card {
    /* 电影卡片使用海报比例 */
}

.movie-channel .content-card-image {
    padding-top: 150%; /* 2:3比例（电影海报） */
}

.movie-channel .content-card-rating {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 6px 12px;
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.8);
    color: #ffd43b;
    font-weight: 700;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 4px;
    z-index: 2;
}

.movie-channel .content-card-rating svg {
    width: 14px;
    height: 14px;
    fill: currentColor;
}

/* ========================================
   资讯频道特殊样式
   ======================================== */

.news-channel .content-card-image {
    padding-top: 56.25%; /* 16:9比例 */
}

/* 时效性标签 */
.news-fresh-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 10px;
    border-radius: 16px;
    font-size: 11px;
    font-weight: 600;
    background: linear-gradient(135deg, #51cf66, #37b24d);
    color: #ffffff;
    z-index: 2;
}

/* ========================================
   影评频道特殊样式
   ======================================== */

.review-channel .content-card {
    /* 影评卡片可以更高一些，显示更多文字 */
}

/* 深度标签 */
.review-depth-badge {
    position: absolute;
    bottom: 12px;
    right: 12px;
    padding: 4px 10px;
    border-radius: 16px;
    font-size: 11px;
    font-weight: 600;
    background: rgba(102, 126, 234, 0.9);
    color: #ffffff;
    z-index: 2;
}

/* ========================================
   频道筛选器
   ======================================== */

.channel-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
}

.channel-filter-label {
    font-weight: 600;
    color: var(--text-primary);
    margin-right: 10px;
    line-height: 36px;
}

.channel-filter-btn {
    padding: 8px 16px;
    border-radius: 20px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.channel-filter-btn:hover,
.channel-filter-btn.active {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
    color: #ffffff;
}

/* ========================================
   响应式适配
   ======================================== */

@media (max-width: 991px) {
    .channel-section {
        padding: 40px 0;
    }
    
    .channel-title {
        font-size: 26px;
    }
    
    .channel-stats {
        flex-wrap: wrap;
        gap: 15px;
    }
    
    .channel-stat-number {
        font-size: 24px;
    }
}

@media (max-width: 767px) {
    .channel-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .channel-title {
        font-size: 22px;
    }
    
    .channel-link {
        width: 100%;
        justify-content: center;
    }
    
    .channel-filter {
        justify-content: center;
    }
    
    .channel-stats {
        width: 100%;
    }
    
    .channel-stat-item {
        flex: 1;
    }
}