/* 全局样式设置 */
body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #0D1B2A, #1B263B);
    color: #FFFFFF;
    line-height: 1.6;
    letter-spacing: 0.5px;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(27, 38, 59, 0.8);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 50px;
    transition: background 0.3s ease;
    z-index: 1000;
}

.navbar.scrolled {
    background: rgba(27, 38, 59, 1);
}

.navbar a {
    color: #FFD700;
    text-decoration: none;
    margin: 0 15px;
    font-weight: bold;
    transition: color 0.3s ease;
}

.navbar a:hover {
    color: #FFFFFF;
    text-decoration: underline;
}

/* 主内容区 */
.container {
    max-width: 1200px;
    margin: 100px auto 50px auto;
    padding: 20px;
}

/* 卡片样式 */
.card {
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    padding: 30px;
    margin-bottom: 30px;
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.card:hover {
    transform: scale(1.02);
    background-color: rgba(255, 255, 255, 0.15);
}

/* 标题样式 */
h1, h2, h3, h4 {
    color: #FFD700;
    font-weight: bold;
}

h1 {
    font-size: 2.5em;
    margin-bottom: 20px;
}

h2 {
    font-size: 2em;
    margin-bottom: 15px;
}

h3 {
    font-size: 1.75em;
    margin-bottom: 10px;
}

h4 {
    font-size: 1.5em;
    margin-bottom: 8px;
}

/* 文章样式 */
.article {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 30px;
}

.article pre {
    background: #1B263B;
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
    margin-top: 10px;
    margin-bottom: 10px;
}

.article code {
    color: #FFD700;
    font-family: 'Courier New', Courier, monospace;
}

/* 表格样式 */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

table th, table td {
    border: 1px solid #FFD700;
    padding: 10px;
    text-align: left;
}

table th {
    background-color: rgba(255, 215, 0, 0.2);
}

table tr:nth-child(even) {
    background-color: rgba(255, 255, 255, 0.05);
}

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

/* 示例展示标签 */
.example-display {
    border: 2px dashed #FFD700;
    padding: 20px;
    border-radius: 10px;
    margin-top: 40px;
    background-color: rgba(255, 215, 0, 0.1);
}

/* 提示信息样式 */
.prompt {
    text-align: center;
    font-size: 1.2em;
    color: #FFD700;
    margin: 30px 0;
}

/* 响应式设计 */
@media (max-width: 1440px) {
    .container {
        max-width: 1100px;
    }
}

@media (max-width: 1200px) {
    .container {
        max-width: 900px;
    }
}

@media (max-width: 1024px) {
    .navbar {
        padding: 15px 30px;
    }
    .card {
        padding: 25px;
    }
}

@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        align-items: flex-start;
    }
    .navbar a {
        margin: 10px 0;
    }
    .container {
        padding: 15px;
        margin: 80px auto 40px auto;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2em;
    }
    h2 {
        font-size: 1.75em;
    }
    .card {
        padding: 20px;
    }
}

@media (max-width: 320px) {
    h1 {
        font-size: 1.8em;
    }
    h2 {
        font-size: 1.5em;
    }
    .navbar {
        padding: 10px 20px;
    }
    .navbar a {
        margin: 5px 0;
    }
}