/* 全局样式重置与基础设置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    background: linear-gradient(135deg, #e8f0d8, #f7f7f7);
    color: #333;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

header, footer {
    background: linear-gradient(135deg, #a5c9ca, #b3d8d8);
    color: #fff;
    text-align: center;
    padding: 20px 10px;
}

header h1, footer p {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
}

/* 模块化设计样式 */
.module {
    background-color: #ffffff;
    border: 1px solid #ddd;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.module:hover {
    transform: translateY(-5px);
}

.module h2 {
    font-size: clamp(1.2rem, 2.5vw, 1.5rem);
    color: #4CAF50;
    margin-bottom: 15px;
}

.module p {
    font-size: clamp(0.9rem, 2vw, 1rem);
    color: #555;
}

/* 图片与视觉效果 */
img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

img:hover {
    transform: scale(1.05);
}

/* 响应式导航栏 */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, #333, #444);
    padding: 10px 20px;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar a {
    color: #fff;
    text-decoration: none;
    margin-right: 15px;
    font-size: clamp(0.9rem, 1.5vw, 1rem);
    transition: color 0.3s ease;
}

.navbar a:hover {
    color: #4CAF50;
}

/* 文章展示区域 */
.article-container {
    grid-column: span 2;
    background-color: #f7f7f7;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.article-container h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: #333;
    margin-bottom: 20px;
}

.article-container p {
    font-size: clamp(0.9rem, 1.8vw, 1rem);
    color: #555;
    line-height: 1.8;
    margin-bottom: 15px;
}

.article-container pre {
    background-color: #2d2d2d;
    color: #ffffff;
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
    font-size: clamp(0.8rem, 1.5vw, 0.9rem);
    margin: 20px 0;
}

.article-container table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.article-container th, .article-container td {
    border: 1px solid #ddd;
    padding: 10px;
    text-align: left;
}

.article-container th {
    background-color: #4CAF50;
    color: #fff;
}

/* 动画效果 */
.button {
    background-color: #4CAF50;
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.button:hover {
    background-color: #45a049;
    transform: scale(1.1);
}

/* 响应式布局适配 */
@media (max-width: 768px) {
    .container {
        grid-template-columns: 1fr;
    }

    .module {
        padding: 15px;
    }

    header h1, footer p {
        font-size: clamp(1.2rem, 3vw, 1.5rem);
    }
}

@media (max-width: 480px) {
    .navbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .navbar a {
        margin-bottom: 10px;
    }
}