/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', 'system-ui', 'sans-serif';
}

.community-container {
    max-width: 1470px;
    margin: 0 auto;
    padding: 20px 0;
}

/* 主内容区域样式 */
.main-content {
    display: flex;
    justify-content: space-between;
    gap: 40px;
}

/* 左侧详情区域 */
.activity-content {
    flex: 1;
    background-color: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 1px 3px 15px 3px #E6E8ED;
}

.page-title {
    font-size: 1.8rem;
    font-weight: bold;
    margin: 16px auto;
    color: #666666;
    text-align: center;
}

.update-date {
    color: #666;
    margin: 12px auto;
    text-align: center;
}

.activity-image {
    width: 70%;
    border-radius: 8px;
    margin: 10px auto;
    display: block;
}

.activity-intro {
    margin-top: 20px;
}

.activity-intro h2 {
    font-size: 16px;
    color: #666;
}

.activity-highlights ul {
    list-style-type: none;
    padding-left: 0;
}

.activity-highlights li {
    padding: 8px 0;
    color: #666;
    position: relative;
}

.activity-highlights li:last-child {
    border-bottom: none;
}

/* 右侧相关推荐区域 */
.related-recommendations {
    width: 300px;
    background-color: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 1px 3px 15px 3px #E6E8ED;
    position: sticky;
    top: 40px;
    align-self: flex-start;
}

.related-recommendations h3 {
    font-size: 1.2rem;
    font-weight: bold;
    color: #666666;
    padding-bottom: 10px;
}

.recommendation-list {
    list-style-type: none;
    padding-left: 0;
}

.recommendation-item {
    padding: 6px 0;
}

.recommendation-item a {
    color: #666666;
    text-decoration: none;
    transition: color 0.3s ease;
    display: block;
    width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.recommendation-item a:hover {
    color: #1677ff;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .main-content {
        flex-direction: column;
    }

    .related-recommendations {
        width: 100%;
        position: static;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .community-container {
        padding: 20px 15px;
    }

    .activity-content,
    .related-recommendations {
        padding: 20px;
    }

    .page-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 1336px) {
    .community-container {
        max-width: 1200px;
    }
}