/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
    background-color: #f5f5f5;
    color: #333;
}

/* 活动容器 */
.activities-container {
    max-width: 1200px;
    margin: 40px auto 0; /* 减少顶部外边距 */
    padding: 10px; /* 减少内边距 */
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* 当没有头部时调整活动容器的顶部边距 */
body.no-header .activities-container {
    margin-top: 10px; /* 减少顶部外边距 */
}

/* 导航部分 */
.activities-nav {
    display: flex;
    align-items: center;
    /* 移除space-between，让导航标签靠左 */
    padding: 8px 0; /* 减少内边距 */
    border-bottom: 1px solid #e0e0e0;
    margin-bottom: 10px; /* 减少下外边距 */
}

.nav-title {
    display: flex;
    align-items: center;
    gap: 8px; /* 减少间距 */
    justify-content: flex-start;
    /* 确保图标和文字在垂直方向上居中对齐 */
    vertical-align: middle;
}

.nav-icon {
    width: 20px; /* 减小图标大小 */
    height: 20px;
    vertical-align: middle;
}

.nav-title span {
    font-size: 16px; /* 减小字体大小 */
    font-weight: 600;
    color: #333;
}

.nav-tabs {
    display: flex;
    gap: 15px; /* 减少间距 */
    margin-left: 8px; /* 保持小间距，让标签靠近活动公告文本 */
    align-items: center;
}

.tab {
    text-decoration: none;
    color: #666;
    font-size: 14px;
    padding: 5px 10px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.tab:hover {
    color: #1890ff;
}

.tab.active {
    color: #1890ff;
    font-weight: 500;
    position: relative;
}

.tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 10px;
    right: 10px;
    height: 2px;
    background-color: #1890ff;
}

.nav-more {
    margin-left: auto; /* 让'更多'按钮靠右 */
}

.nav-more .more-btn {
    text-decoration: none;
    color: #666;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: color 0.3s ease;
}

.nav-more .more-btn:hover {
    color: #1890ff;
}

/* 内容区域 */
.activities-content {
    min-height: 300px; /* 减少最小高度 */
    background-color: #fff;
}

/* 活动列表 */
.activities-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 10px 0; /* 减少内边距 */
}

/* 分页容器 */
.pagination-container {
    display: flex;
    justify-content: center;
    margin-top: 20px; /* 减少上外边距 */
    margin-bottom: 10px; /* 减少下外边距 */
}

/* 分页控件 */
.pagination {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* 分页按钮 */
.page-btn {
    background-color: #f0f0f0;
    border: 1px solid #ddd;
    padding: 8px 16px;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.page-btn:hover:not(:disabled) {
    background-color: #e0e0e0;
}

.page-btn.active {
    background-color: #4CAF50;
    color: white;
    border-color: #4CAF50;
}

.page-btn:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

/* 页码信息 */
.page-info {
    font-size: 14px;
    color: #666;
}

/* 活动项样式 */
.activity-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0; /* 减少内边距 */
    border-bottom: 1px solid #f0f0f0;
    transition: all 0.2s ease;
    cursor: pointer;
}

.activity-item:hover {
    background-color: #fafafa;
}

.activity-icon {
    width: 30px; /* 减小图标大小 */
    height: 30px;
    border-radius: 4px;
    object-fit: cover;
    margin-right: 12px; /* 减少右边距 */
    background-color: #f0f0f0;
    flex-shrink: 0;
}

.activity-content {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
}

.activity-title {
    font-size: 15px;
    font-weight: normal;
    color: #1890ff;
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.4; /* 减小行高 */
}

.activity-date {
    font-size: 13px;
    color: #999;
    margin-left: 12px; /* 减少左边距 */
    white-space: nowrap;
}

/* 加载状态 */
.loading {
    text-align: center;
    padding: 40px;
    color: #999;
    font-size: 14px;
    grid-column: 1 / -1;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .activities-container {
        padding: 10px;
    }
    
    .activities-nav {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .nav-tabs {
        order: 2;
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 5px;
    }
    
    .nav-more {
        order: 1;
    }
    
    .activities-list {
        grid-template-columns: 1fr;
    }
}