/* ===== 社区样式补充 ===== */

/* ===== APP界面样式 ===== */
.community-post {
    padding: 1rem;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    margin-bottom: 1rem;
}

.post-header {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
}

.post-user {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.user-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.post-time {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.post-content h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.post-content p {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

.post-stats {
    display: flex;
    gap: 1rem;
}

.stat-item {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.reading-friends {
    padding: 1rem;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 12px;
    margin-bottom: 0.5rem;
}

.friends-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.see-all {
    color: var(--accent-color);
    font-size: 0.75rem;
    cursor: pointer;
}

.friends-avatars {
    display: flex;
    gap: -8px;
}

.mini-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--primary-gradient);
    border: 2px solid var(--bg-secondary);
    font-size: 0.625rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-left: -8px;
}

.mini-avatar:first-child {
    margin-left: 0;
}

.ai-reason {
    font-size: 0.6875rem;
    color: var(--text-tertiary);
    margin-top: 0.25rem;
}

/* ===== 社区专区 ===== */
.community {
    padding: 6rem 0;
    background: var(--bg-secondary);
}

.community-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.community-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem 1.5rem;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.community-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: var(--shadow-glow);
}

.community-icon {
    width: 56px;
    height: 56px;
    margin-bottom: 1.5rem;
}

.community-icon svg {
    width: 100%;
    height: 100%;
}

.community-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.community-desc {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.community-stats {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.community-stats span {
    font-size: 0.8125rem;
    color: var(--accent-color);
    font-weight: 500;
}

.community-preview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.preview-left h3,
.preview-right h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.hot-topics {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.hot-topic {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    transition: all var(--transition-base);
}

.hot-topic:hover {
    border-color: var(--accent-color);
}

.topic-rank {
    width: 32px;
    height: 32px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9375rem;
}

.topic-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.topic-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.topic-stats {
    font-size: 0.8125rem;
    color: var(--text-tertiary);
}

.community-feed {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.feed-item {
    padding: 1rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    transition: all var(--transition-base);
}

.feed-item:hover {
    border-color: var(--accent-color);
}

.feed-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.feed-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary-gradient);
}

.feed-name {
    font-size: 0.9375rem;
    font-weight: 600;
}

.feed-text {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
}

.feed-time {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

/* ===== 响应式补充 ===== */
@media (max-width: 1200px) {
    .community-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .community-grid {
        grid-template-columns: 1fr;
    }
    
    .community-preview {
        grid-template-columns: 1fr;
    }
}