/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 字体设置 */
body {
    font-family: 'Roboto', sans-serif;
    background: radial-gradient(circle, #0047AB, transparent);
    color: #ffffff;
    line-height: 1.6;
    padding: 20px;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: linear-gradient(90deg, #0047AB, #34C759);
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.navbar a {
    color: #ffffff;
    text-decoration: none;
    margin-left: 20px;
    font-weight: bold;
}

.navbar a:hover {
    color: #FFA500;
    transition: color 0.3s ease;
}

/* 主容器样式 */
.main-container {
    margin-top: 80px;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    flex-wrap: wrap;
}

/* 侧边栏样式 */
.sidebar {
    flex: 1 1 20%;
    background: rgba(52, 199, 89, 0.8);
    padding: 20px;
    border-radius: 8px;
    margin: 10px;
}

.sidebar h3 {
    margin-bottom: 15px;
    color: #ffffff;
}

.sidebar ul {
    list-style: none;
}

.sidebar ul li {
    margin-bottom: 10px;
}

.sidebar ul li a {
    color: #ffffff;
    text-decoration: none;
}

.sidebar ul li a:hover {
    color: #FFA500;
    transition: color 0.3s ease;
}

/* 主要内容区域样式 */
.content {
    flex: 1 1 75%;
    background: rgba(0, 71, 171, 0.8);
    padding: 20px;
    border-radius: 8px;
    margin: 10px;
}

.content h2, .content h3, .content h4 {
    color: #FFD700;
    margin-bottom: 15px;
}

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

.content pre {
    background: #ffffff;
    color: #000000;
    padding: 10px;
    border-radius: 5px;
    overflow-x: auto;
    margin-bottom: 15px;
}

.content code {
    font-family: 'Courier New', Courier, monospace;
}

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

table, th, td {
    border: 1px solid #FFD700;
}

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

th {
    background: #34C759;
    color: #ffffff;
}

tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.1);
}

/* 图片样式 */
.image-gallery {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.image-gallery img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 5px;
}

/* 按钮样式 */
.button {
    background-color: #FFA500;
    color: #ffffff;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.button:hover {
    background-color: #FFD700;
    transform: scale(1.05);
}

/* 代码块高亮 */
.code-block {
    background: #2d2d2d;
    color: #f8f8f2;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    margin-bottom: 20px;
    font-family: 'Courier New', Courier, monospace;
}

/* 动画效果 */
@keyframes rotate {
    from { transform: rotateY(0deg); }
    to { transform: rotateY(360deg); }
}

.icon-3d {
    animation: rotate 10s linear infinite;
}

/* 响应式设计 */
/* 320px - 小尺寸手机 */
@media (max-width: 320px) {
    .main-container {
        flex-direction: column;
    }
    .sidebar, .content {
        flex: 1 1 100%;
    }
    .navbar {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* 480px - 大尺寸手机 */
@media (max-width: 480px) {
    .navbar {
        padding: 10px 20px;
    }
    .content h2 {
        font-size: 1.5em;
    }
    .content p {
        font-size: 14px;
    }
}

/* 768px - 竖屏平板 */
@media (max-width: 768px) {
    .main-container {
        flex-direction: column;
    }
    .sidebar, .content {
        flex: 1 1 100%;
    }
}

/* 1024px - 中等屏幕 */
@media (max-width: 1024px) {
    .main-container {
        flex-direction: row;
    }
    .sidebar {
        flex: 1 1 25%;
    }
    .content {
        flex: 1 1 70%;
    }
}

/* 1200px - 桌面显示器 */
@media (max-width: 1200px) {
    .navbar a {
        margin-left: 15px;
    }
}

/* 1440px及以上 - 大尺寸桌面显示器 */
@media (min-width: 1440px) {
    .navbar {
        padding: 20px 40px;
    }
    .content {
        padding: 30px;
    }
}

/* 微动画效果 */
@keyframes aurora-move {
    0% { background: radial-gradient(circle, rgb(255, 87, 34), transparent); }
    50% { background: radial-gradient(circle, rgb(34, 255, 87), transparent); }
    100% { background: radial-gradient(circle, rgb(255, 87, 34), transparent); }
}

.background-animation {
    animation: aurora-move 15s linear infinite;
}

/* 提示信息样式 */
.reference-note {
    background: rgba(255, 215, 0, 0.8);
    color: #000000;
    padding: 10px;
    border-radius: 5px;
    text-align: center;
    margin-bottom: 20px;
    font-weight: bold;
}

/* 链接样式 */
a[rel="nofollow"] {
    color: #FFD700;
    text-decoration: underline;
}

a[rel="nofollow"]:hover {
    color: #FFA500;
    transition: color 0.3s ease;
}