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

/* 设置全局字体和背景 */
body {
    font-family: 'Roboto', sans-serif;
    background: radial-gradient(circle at top left, #1e3c72, #2a5298);
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

/* 容器设置 */
.container {
    display: grid;
    grid-template-columns: 250px 1fr;
    min-height: 100vh;
}

/* 左侧导航菜单 */
.sidebar {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    padding: 20px;
    position: fixed;
    height: 100%;
    width: 250px;
}

.sidebar h2 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #00ffcc;
}

.sidebar ul {
    list-style: none;
}

.sidebar ul li {
    margin-bottom: 15px;
}

.sidebar ul li a {
    text-decoration: none;
    color: #ffffff;
    font-size: 18px;
    transition: color 0.3s ease;
}

.sidebar ul li a:hover {
    color: #ff4081;
}

/* 主内容区 */
.main-content {
    margin-left: 270px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    min-height: 100vh;
}

/* 标题样式 */
.main-content h1, .main-content h2, .main-content h3 {
    color: #ff4081;
    margin-bottom: 15px;
}

.main-content h1 {
    font-size: 36px;
}

.main-content h2 {
    font-size: 28px;
}

.main-content h3 {
    font-size: 22px;
}

/* 段落样式 */
.main-content p {
    margin-bottom: 15px;
    color: #dcdcdc;
}

/* 表格样式 */
.main-content table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

.main-content table, .main-content th, .main-content td {
    border: 1px solid #ffffff;
}

.main-content th, .main-content td {
    padding: 10px;
    text-align: left;
}

.main-content th {
    background: rgba(0, 0, 0, 0.3);
}

/* 代码块样式 */
.main-content pre {
    background: rgba(0, 0, 0, 0.7);
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    margin-bottom: 20px;
}

.main-content code {
    color: #00e5ff;
    font-family: 'Courier New', Courier, monospace;
}

/* 图片样式 */
.main-content img {
    width: 100%;
    max-width: 320px;
    height: auto;
    margin-bottom: 20px;
    border-radius: 10px;
}

/* 按钮样式 */
.button {
    display: inline-block;
    padding: 10px 20px;
    background: #00ffcc;
    color: #000000;
    text-decoration: none;
    border-radius: 5px;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.button:hover {
    box-shadow: 0 0 15px #ffffff;
    transform: scale(1.05);
}

/* 动画效果 */
@keyframes aurora-move {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

body {
    animation: aurora-move 15s linear infinite;
    background-size: 400% 400%;
}

/* 渐变背景 */
.background-section {
    background: linear-gradient(135deg, #0074D9, #651FFF);
    filter: blur(5px);
    padding: 50px 0;
    position: relative;
}

/* 玻璃质感效果 */
.glass-effect {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    padding: 20px;
}

/* 表示示例展示 */
.example-display {
    border: 2px dashed #ff4081;
    padding: 20px;
    margin-top: 30px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
}

/* 提示文本样式 */
.prompt {
    font-size: 18px;
    color: #00ffcc;
    margin-bottom: 20px;
}

/* 响应式设计 */
@media (max-width: 1440px) {
    .sidebar {
        width: 220px;
    }

    .main-content {
        margin-left: 240px;
    }
}

@media (max-width: 1200px) {
    .sidebar {
        width: 200px;
    }

    .main-content {
        margin-left: 220px;
    }

    .main-content h1 {
        font-size: 32px;
    }

    .main-content h2 {
        font-size: 24px;
    }

    .main-content h3 {
        font-size: 20px;
    }
}

@media (max-width: 1024px) {
    .container {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: relative;
        width: 100%;
        height: auto;
        backdrop-filter: none;
    }

    .main-content {
        margin-left: 0;
    }
}

@media (max-width: 768px) {
    .main-content h1 {
        font-size: 28px;
    }

    .main-content h2 {
        font-size: 20px;
    }

    .main-content h3 {
        font-size: 18px;
    }

    .button {
        padding: 8px 16px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .main-content p {
        font-size: 14px;
    }

    .main-content table, .main-content th, .main-content td {
        font-size: 12px;
    }

    .button {
        padding: 6px 12px;
        font-size: 12px;
    }
}

@media (max-width: 320px) {
    .main-content h1 {
        font-size: 24px;
    }

    .main-content h2 {
        font-size: 18px;
    }

    .main-content h3 {
        font-size: 16px;
    }

    .main-content p, .main-content table, .main-content th, .main-content td {
        font-size: 12px;
    }
}

/* 微动画效果 */
.fade-in {
    opacity: 0;
    animation: fadeIn 1s forwards;
}

@keyframes fadeIn {
    to { opacity: 1; }
}

/* 表单元素禁用样式 */
input, textarea, select, button {
    pointer-events: none;
    background: transparent;
    border: none;
}

/* 链接样式 */
a {
    color: #00ffcc;
    text-decoration: none;
}

a:hover {
    color: #ff4081;
}

/* 表示不显示链接属性说明 */
a[rel="nofollow"]::after {
    content: "";
}