body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 20px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.1);
    margin-bottom: 30px;
}

h1, h2 {
    color: #2c3e50;
    margin-top: 0;
}

h1 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 10px;
}

.article-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.article-card {
    border-bottom: 1px solid #eee;
    padding: 25px 0;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.article-card:last-child {
    border-bottom: none;
}

.article-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.article-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 15px 0;
}

.article-title a {
    color: #3498db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.article-title a:hover {
    color: #2980b9;
    text-decoration: underline;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    color: #7f8c8d;
    font-size: 0.9rem;
    margin: 15px 0;
    padding: 10px 0;
    border-top: 1px solid #ecf0f1;
    border-bottom: 1px solid #ecf0f1;
}

.article-content {
    margin-top: 15px;
    line-height: 1.7;
    color: #34495e;
}

/* 文章内容中的图片响应式处理 */
.article-content img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 10px auto;
}

.back-link {
    display: inline-block;
    margin-bottom: 25px;
    color: #3498db;
    text-decoration: none;
    font-weight: 500;
}

.back-link:hover {
    text-decoration: underline;
}

.hidden {
    display: none;
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin: 40px 0;
    padding: 25px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.pagination button, .pagination a, .pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    background-color: #3498db;
    color: white;
    text-decoration: none;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.pagination button:hover, .pagination a:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
}

.pagination button:disabled, .pagination span.disabled {
    background-color: #bdc3c7;
    cursor: not-allowed;
    opacity: 0.6;
    transform: none;
}

.pagination span.current {
    background-color: #2c3e50;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.pagination-info {
    flex: 100%;
    text-align: center;
    color: #7f8c8d;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.controls {
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.controls label {
    margin-right: 10px;
    font-weight: 500;
    color: #2c3e50;
}

.controls input {
    width: 70px;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
}

.controls button {
    padding: 8px 16px;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s ease;
}

.controls button:hover {
    background-color: #2980b9;
}

header {
    text-align: center;
    margin-bottom: 30px;
}

.stats {
    color: #7f8c8d;
    font-size: 1.1rem;
    margin-top: 10px;
}

.articles-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
}

footer {
    text-align: center;
    margin-top: 30px;
    color: #7f8c8d;
    font-size: 0.9rem;
    padding: 20px;
}

/* 平板设备优化 */
@media (min-width: 768px) {
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    body {
        padding: 20px;
    }
    
    .container {
        padding: 30px;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    .article-title {
        font-size: 1.5rem;
    }
    
    .stats {
        font-size: 1.1rem;
    }
}

/* 桌面设备优化 */
@media (min-width: 1024px) {
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    body {
        padding: 20px;
    }
    
    .container {
        padding: 30px;
    }
}

/* 移动设备优化 */
@media (max-width: 767px) {
    body {
        padding: 10px;
        background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    }
    
    .container {
        padding: 15px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        margin-bottom: 15px;
    }
    
    header {
        padding: 15px 10px;
        margin-bottom: 20px;
    }
    
    h1 {
        font-size: 1.8rem;
        margin-bottom: 5px;
    }
    
    h2 {
        font-size: 1.4rem;
    }
    
    .stats {
        font-size: 0.9rem;
    }
    
    .article-card {
        padding: 15px 0;
    }
    
    .article-content-wrapper {
        padding: 0;
    }
    
    .article-title {
        font-size: 1.2rem;
        margin: 0 0 10px 0;
    }
    
    .article-meta {
        display: flex;
        flex-direction: column;
        gap: 5px;
        color: #7f8c8d;
        font-size: 0.8rem;
        margin: 10px 0;
        padding: 10px 0;
        border-top: 1px solid #ecf0f1;
        border-bottom: 1px solid #ecf0f1;
    }
    
    .article-content {
        font-size: 0.95rem;
        line-height: 1.6;
        margin-top: 10px;
    }
    
    /* 移动端文章内容中的图片样式 */
    .article-content img {
        max-width: 100%;
        height: auto;
        display: block;
        margin: 8px auto;
    }
    
    .back-link {
        margin-bottom: 15px;
        font-size: 0.9rem;
    }
    
    .pagination {
        padding: 15px 10px;
        margin: 20px 0;
        gap: 5px;
    }
    
    .pagination button, .pagination a, .pagination span {
        min-width: 30px;
        height: 30px;
        padding: 0 8px;
        font-size: 0.9rem;
        border-radius: 6px;
    }
    
    .pagination-info {
        font-size: 0.9rem;
        margin-bottom: 10px;
    }
    
    footer {
        margin-top: 20px;
        padding: 15px 0;
        font-size: 0.8rem;
    }
    
    .controls {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
    
    .controls label {
        margin-right: 0;
    }
}