/* 全局样式设置 */
body {
    margin: 0;
    padding: 0;
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background: linear-gradient(135deg, #1E3A8A 70%, #3B82F6 25%, #F59E0B 5%);
    color: #4B5563;
    line-height: 1.6;
    overflow-x: hidden;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(30, 58, 138, 0.9);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 15px 0;
}

.navbar ul {
    display: flex;
    justify-content: center;
    list-style: none;
    margin: 0;
    padding: 0;
}

.navbar li {
    margin: 0 20px;
}

.navbar a {
    color: #FFFFFF;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s ease;
}

.navbar a:hover {
    color: #F59E0B;
}

/* 主内容区样式 */
.container {
    max-width: 1200px;
    margin: 100px auto 50px;
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 40px;
}

/* 文章样式 */
article {
    background: #FFFFFF;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

article h2 {
    font-size: 2em;
    color: #1E3A8A;
    margin-bottom: 20px;
}

article h3 {
    font-size: 1.5em;
    color: #3B82F6;
    margin-bottom: 15px;
}

article p {
    font-size: 16px;
    margin-bottom: 15px;
}

article pre {
    background: #F3F4F6;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}

article code {
    font-family: 'Courier New', Courier, monospace;
    color: #1E3A8A;
}

/* 图片样式 */
.image-gallery {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.image-gallery img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.image-gallery img:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

/* 提示信息样式 */
.notice {
    text-align: center;
    font-size: 18px;
    color: #FFFFFF;
    background: rgba(59, 130, 246, 0.8);
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 40px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .navbar ul {
        flex-direction: column;
    }

    .navbar li {
        margin: 10px 0;
    }

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

/* 按钮样式 */
.button-primary {
    background: linear-gradient(45deg, #F59E0B, #FACC15);
    color: #FFFFFF;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    transition: background 0.3s ease;
    cursor: pointer;
}

.button-primary:hover {
    background: linear-gradient(45deg, #FACC15, #F59E0B);
}

/* 代码块样式 */
.code-snippet {
    background: #1E3A8A;
    color: #FFFFFF;
    padding: 20px;
    border-radius: 5px;
    overflow-x: auto;
    font-family: 'Courier New', Courier, monospace;
    margin-bottom: 20px;
}

/* 页面底部样式 */
.footer {
    background: rgba(30, 58, 138, 0.9);
    color: #FFFFFF;
    text-align: center;
    padding: 20px;
    border-top: 1px solid #3B82F6;
}

/* 多语言切换按钮 */
.language-switcher {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.language-switcher button {
    background-color: #F3F4F6;
    border: none;
    padding: 8px 12px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.language-switcher button.active,
.language-switcher button:hover {
    background-color: #3B82F6;
    color: #FFFFFF;
}