/* 全局样式定义 */
:root {
    --primary-color: #1A237E;
    --secondary-color: #6A1B9A;
    --accent-color: #00E5FF;
    --text-color: #FFFFFF;
    --bg-gradient: linear-gradient(135deg, #1A237E, #4A148C);
    --card-bg: rgba(255, 255, 255, 0.05);
    --blur-bg: rgba(255, 255, 255, 0.1);
    --border-radius: 10px;
    --transition-speed: 0.3s;
}

body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background: var(--bg-gradient);
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 250px;
    height: 100vh;
    background: linear-gradient(to bottom, #1A237E, #311B92);
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

header h1 {
    font-size: 24px;
    margin: 0;
    text-align: center;
    color: var(--accent-color);
}

main {
    margin-left: 250px;
    padding: 20px;
    overflow-x: hidden;
}

section {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 20px;
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

section:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
}

button {
    background: var(--secondary-color);
    color: var(--text-color);
    border: none;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background-color var(--transition-speed);
}

button:hover {
    background: var(--accent-color);
}

code {
    background: var(--blur-bg);
    color: var(--accent-color);
    padding: 5px 10px;
    border-radius: var(--border-radius);
    display: inline-block;
}

pre code {
    display: block;
    white-space: pre-wrap;
    word-break: break-word;
    padding: 15px;
    border-radius: var(--border-radius);
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
}

th, td {
    padding: 10px;
    text-align: left;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

@media (max-width: 768px) {
    header {
        width: 100%;
        height: auto;
        flex-direction: row;
        justify-content: space-around;
    }

    main {
        margin-left: 0;
        padding: 10px;
    }

    section {
        padding: 15px;
    }
}

footer {
    text-align: center;
    padding: 10px;
    background: var(--secondary-color);
    color: var(--text-color);
    margin-top: auto;
}