/* 全局样式设置 */
body {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    background: radial-gradient(circle, rgb(255, 87, 34), transparent);
    animation: aurora-move 15s linear infinite;
    color: #FFFFFF;
}

/* 关键帧动画定义 */
@keyframes aurora-move {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* 容器样式 */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    background: rgba(13, 37, 56, 0.9);
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}

/* 标题样式 */
h1, h2, h3 {
    font-weight: bold;
    color: #FFC107;
    text-align: center;
    margin-top: 20px;
    margin-bottom: 20px;
}

h1 {
    font-size: 2.5em;
}

h2 {
    font-size: 2em;
}

h3 {
    font-size: 1.75em;
}

/* 段落样式 */
p {
    font-size: 1em;
    line-height: 1.6;
    margin-bottom: 20px;
    color: #FFFFFF;
}

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

th, td {
    border: 1px solid #64B5F6;
    padding: 10px;
    text-align: left;
    color: #FFFFFF;
}

th {
    background: #0277BD;
}

tr:nth-child(even) {
    background: #64B5F6;
}

/* 列表样式 */
ul {
    list-style-type: disc;
    padding-left: 40px;
    margin-bottom: 20px;
}

li {
    margin-bottom: 10px;
    color: #FFFFFF;
}

/* 代码块样式 */
pre {
    background: #0D2538;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    margin-bottom: 20px;
}

code {
    font-family: 'Courier New', Courier, monospace;
    color: #FFC107;
    display: block;
    white-space: pre-wrap;
    word-wrap: break-word;
}

/* 高亮样式 */
.highlight {
    background: linear-gradient(to right, #64B5F6, #0277BD);
    padding: 5px 10px;
    border-radius: 3px;
    color: #FFFFFF;
}

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

/* 卡片式布局 */
.card {
    background: #1E2A38;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    margin-bottom: 20px;
}

/* 按钮样式 */
.button {
    background: #FFC107;
    color: #0D2538;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.button:hover {
    transform: scale(1.1);
}

/* 导航栏样式 */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #0D2538;
    padding: 15px 20px;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.navbar a {
    color: #FFFFFF;
    text-decoration: none;
    margin: 0 15px;
    transition: color 0.3s ease;
}

.navbar a:hover {
    color: #FFC107;
}

/* 响应式设计 */
@media (max-width: 1440px) {
    .container {
        width: 85%;
    }
}

@media (max-width: 1200px) {
    .container {
        width: 80%;
    }
}

@media (max-width: 1024px) {
    .navbar {
        flex-direction: column;
    }
    .navbar a {
        margin: 10px 0;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2em;
    }
    h2 {
        font-size: 1.75em;
    }
    h3 {
        font-size: 1.5em;
    }
    .card {
        padding: 15px;
    }
}

@media (max-width: 480px) {
    .container {
        width: 95%;
        padding: 10px;
    }
    h1 {
        font-size: 1.75em;
    }
    h2 {
        font-size: 1.5em;
    }
    h3 {
        font-size: 1.25em;
    }
}

@media (max-width: 320px) {
    .navbar {
        flex-direction: column;
    }
    .navbar a {
        margin: 8px 0;
    }
    h1 {
        font-size: 1.5em;
    }
    .button {
        padding: 8px 16px;
    }
}