/* 全局样式设置 */
:root {
    --primary-color: #002B5B;
    --secondary-color: #1C1C1C;
    --accent-color: #39FF14;
    --highlight-color: #FF00FF;
    --text-color: #FFFFFF;
    --font-family: 'Roboto', sans-serif;
}

body {
    font-family: var(--font-family);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--text-color);
    margin: 0;
    padding: 0;
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.header {
    text-align: center;
    margin-bottom: 40px;
    padding: 20px;
    background: linear-gradient(90deg, var(--accent-color), var(--highlight-color));
    color: var(--secondary-color);
    font-size: 2rem;
    font-weight: bold;
    border-radius: 10px;
}

.section {
    flex: 1 1 calc(50% - 20px);
    margin-bottom: 40px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

h2, h3 {
    color: var(--accent-color);
    font-weight: bold;
    margin-top: 0;
}

p {
    font-size: 1rem;
    margin-bottom: 15px;
}

pre {
    background: var(--secondary-color);
    color: var(--accent-color);
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    font-size: 0.9rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background: rgba(255, 255, 255, 0.05);
}

th, td {
    padding: 10px;
    text-align: left;
    border: 1px solid var(--accent-color);
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 5px;
}

.button {
    background: var(--accent-color);
    color: var(--secondary-color);
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

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

.parallax {
    background-image: url('https://images.gptkong.com/demo/sample1.png');
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    height: 300px;
    margin-bottom: 40px;
}

@media (max-width: 768px) {
    .section {
        flex: 1 1 100%;
    }

    pre {
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .header {
        font-size: 1.5rem;
    }

    .container {
        padding: 10px;
    }
}