/* 基础样式 */
body {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #1E3C72, #2A5298);
    color: #FFFFFF;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
}

/* 容器 */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 20px auto;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}

/* 标题样式 */
h1, h2, h3, h4 {
    color: #FFFFFF;
    text-shadow: 0 0 5px rgba(99, 184, 255, 0.7);
}

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

h2 {
    font-size: 2em;
    margin-top: 30px;
    margin-bottom: 15px;
}

h3 {
    font-size: 1.5em;
    margin-top: 25px;
    margin-bottom: 10px;
}

h4 {
    font-size: 1.2em;
    margin-top: 20px;
    margin-bottom: 8px;
}

/* 段落样式 */
p {
    font-size: 1em;
    margin-bottom: 15px;
    color: #DDDDDD;
}

/* 代码块样式 */
pre {
    background: rgba(0, 0, 0, 0.7);
    padding: 15px;
    border-radius: 10px;
    overflow-x: auto;
    font-family: 'Courier New', Courier, monospace;
    color: #00FFCC;
    margin-bottom: 20px;
}

code {
    font-family: 'Courier New', Courier, monospace;
    color: #00FFCC;
}

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

th, td {
    border: 1px solid #63B8FF;
    padding: 10px;
    text-align: left;
}

th {
    background-color: rgba(99, 184, 255, 0.2);
}

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

/* 按钮样式 */
button {
    background-color: #63B8FF;
    border: none;
    padding: 10px 20px;
    color: #FFFFFF;
    font-size: 1em;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

button:hover {
    background-color: #FFFFFF;
    color: #63B8FF;
    filter: blur(0.5px);
}

/* 导航栏样式 */
.navbar {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
}

.navbar a {
    color: #63B8FF;
    text-decoration: none;
    font-size: 1.1em;
    transition: color 0.3s ease;
}

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

/* 示例展示框 */
.sample-display {
    border: 2px dashed #63B8FF;
    padding: 20px;
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.5);
    margin-top: 30px;
}

/* 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) {
    .container {
        max-width: 750px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 15px;
    }

    h1 {
        font-size: 2em;
    }

    h2 {
        font-size: 1.8em;
    }

    h3 {
        font-size: 1.3em;
    }

    p, code, table, pre {
        font-size: 0.9em;
    }

    img {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .navbar {
        flex-direction: column;
        gap: 10px;
    }

    h1 {
        font-size: 1.8em;
    }

    h2 {
        font-size: 1.5em;
    }

    button {
        width: 100%;
        padding: 12px;
    }
}

@media (max-width: 320px) {
    h1 {
        font-size: 1.5em;
    }

    h2 {
        font-size: 1.2em;
    }

    button {
        padding: 10px;
        font-size: 0.9em;
    }
}