/* 全局样式设置，确保页面在不同设备上的一致性 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
/* 设置网页背景，使用渐变色营造未来感与高级质感 */
body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #2c3e50 70%, #34495e 25%, #1abc9c 5%);
    color: #ecf0f1;
    line-height: 1.6;
    padding: 20px;
}
/* 样式化固定导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(44, 62, 80, 0.9);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.navbar .brand {
    font-size: 24px;
    font-weight: bold;
    color: #ecf0f1;
    text-transform: uppercase;
}
.navbar .nav-menu {
    list-style: none;
    display: flex;
    gap: 20px;
}
.navbar .nav-menu li {
    position: relative;
}
.navbar .nav-menu a {
    color: #ecf0f1;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s ease;
}
.navbar .nav-menu a:hover {
    color: #1abc9c;
}
/* 下拉菜单样式 */
.navbar .nav-menu .dropdown {
    display: none;
    position: absolute;
    top: 35px;
    left: 0;
    background-color: rgba(26, 188, 156, 0.9);
    list-style: none;
    padding: 10px 0;
    border-radius: 5px;
}
.navbar .nav-menu li:hover .dropdown {
    display: block;
}
.navbar .nav-menu .dropdown li {
    padding: 10px 20px;
}
.navbar .nav-menu .dropdown li a {
    color: #ecf0f1;
    font-size: 14px;
}
.navbar .nav-menu .dropdown li a:hover {
    color: #2c3e50;
}
/* 主内容区域样式 */
.container {
    max-width: 1200px;
    margin: 100px auto 50px;
    padding: 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}
/* 文章部分样式 */
.article-content {
    background: rgba(44, 62, 80, 0.8);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}
.article-content h2 {
    font-size: 28px;
    margin-bottom: 20px;
    color: #1abc9c;
    text-shadow: 1px 1px #2c3e50;
}
.article-content h3 {
    font-size: 22px;
    margin-top: 30px;
    color: #ecf0f1;
}
.article-content p {
    font-size: 16px;
    margin-bottom: 15px;
}
.article-content pre {
    background: #2c3e50;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    margin-bottom: 20px;
}
.article-content code {
    color: #e74c3c;
}
/* 图片展示区域样式 */
.image-gallery {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.image-gallery img {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.image-gallery img:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 16px rgba(0,0,0,0.4);
}
/* 提示信息样式 */
.prompt {
    background: rgba(26, 188, 156, 0.8);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    font-size: 18px;
    color: #ffffff;
    margin-bottom: 40px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.2);
}
/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        grid-template-columns: 1fr;
    }
    .navbar .nav-menu {
        flex-direction: column;
        background-color: rgba(44, 62, 80, 0.95);
        position: absolute;
        top: 60px;
        right: 20px;
        width: 200px;
        display: none;
    }
    .navbar .nav-menu.active {
        display: flex;
    }
    .navbar .nav-menu li {
        width: 100%;
    }
    .navbar .nav-menu .dropdown {
        position: static;
    }
    .menu-toggle {
        display: block;
        cursor: pointer;
        font-size: 24px;
        color: #ecf0f1;
    }
}
@media (max-width: 480px) {
    .article-content {
        padding: 20px;
    }
    .prompt {
        font-size: 16px;
        padding: 15px;
    }
}
/* 交互动效 */
.button {
    background: linear-gradient(45deg, #1abc9c, #16a085);
    border: none;
    color: #ecf0f1;
    padding: 12px 25px;
    font-size: 16px;
    cursor: pointer;
    border-radius: 5px;
    transition: background 0.3s ease, transform 0.3s ease;
}
.button:hover {
    background: linear-gradient(45deg, #16a085, #1abc9c);
    transform: translateY(-3px);
}
/* 代码块样式 */
.code-block {
    background: #2c3e50;
    padding: 20px;
    border-radius: 8px;
    overflow-x: auto;
    margin-bottom: 20px;
}
.code-block code {
    color: #e74c3c;
    font-family: 'Courier New', Courier, monospace;
    font-size: 14px;
}
/* 折叠区域样式 */
.collapsible {
    background-color: rgba(44, 62, 80, 0.9);
    color: #ecf0f1;
    cursor: pointer;
    padding: 15px;
    width: 100%;
    border: none;
    text-align: left;
    outline: none;
    font-size: 18px;
    border-radius: 5px;
    transition: background 0.3s ease;
    margin-top: 20px;
}
.collapsible:hover {
    background-color: rgba(26, 188, 156, 0.9);
}
.collapsible:after {
    content: '\002B';
    font-size: 20px;
    float: right;
}
.active:after {
    content: "\2212";
}
.content {
    padding: 0 18px;
    display: none;
    background-color: rgba(44, 62, 80, 0.8);
    overflow: hidden;
    border-radius: 5px;
}