/* 全局样式定义 */
body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: #e0e0e0;
    background: linear-gradient(to bottom, #000428, #004e92, #3a0ca3);
    overflow-x: hidden;
}

h1, h2, h3 {
    font-family: 'Montserrat', sans-serif;
    font-weight: bold;
    color: #00bfff;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.module {
    height: 100vh;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    padding: 20px;
    box-sizing: border-box;
}

.grid-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        45deg,
        rgba(255, 255, 255, 0.1),
        rgba(255, 255, 255, 0.1) 10px,
        transparent 10px,
        transparent 20px
    );
    z-index: -1;
}

.parallax {
    background-image: url('https://images.gptkong.com/demo/sample1.png');
    height: 100vh;
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    position: relative;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    padding: 10px;
    z-index: 1000;
    display: flex;
    justify-content: center;
}

.navbar a {
    color: white;
    margin: 0 15px;
    text-decoration: none;
    font-size: 18px;
}

.button-primary {
    background-color: #00bfff;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

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

code {
    background-color: rgba(0, 0, 0, 0.8);
    color: #00ff7f;
    padding: 10px;
    border-radius: 5px;
    display: block;
    white-space: pre-wrap;
    word-break: break-word;
}

pre {
    background-color: rgba(0, 0, 0, 0.9);
    padding: 15px;
    border-radius: 10px;
    max-width: 100%;
    overflow-x: auto;
}

@media (max-width: 768px) {
    .module {
        height: auto;
        padding: 20px;
    }

    .navbar a {
        display: block;
        margin: 10px 0;
    }
}

.footer {
    text-align: center;
    padding: 20px;
    background-color: rgba(0, 0, 0, 0.8);
    color: #ffffff;
    font-size: 14px;
}