/* 全局样式设置 */
body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    letter-spacing: 0.5px;
    background: linear-gradient(to bottom, #001f3f, #111111);
    color: #fff;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: bold;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
    text-align: center;
    text-transform: uppercase;
    background: linear-gradient(90deg, #FF851B, #2ECC40);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

p {
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

a {
    color: #FF851B;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 2rem;
}

.module {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.module:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
}

pre {
    background: #1e1e1e;
    color: #fff;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5rem;
}

th, td {
    padding: 10px;
    border: 1px solid #333;
    text-align: left;
}

th {
    background-color: #2ECC40;
    color: #000;
}

.button {
    background-color: #FF851B;
    color: white;
    border: none;
    border-radius: 5px;
    padding: 10px 20px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.button:hover {
    background-color: #2ECC40;
    transform: scale(1.1);
}

@media (max-width: 768px) {
    .grid-container {
        grid-template-columns: 1fr;
    }

    h1 {
        font-size: 2rem;
    }

    p, table {
        font-size: 0.9rem;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.fade-in {
    animation: fadeIn 1.5s ease-in-out;
}

.parallax {
    background-image: url('https://images.gptkong.com/demo/sample1.png');
    background-attachment: fixed;
    background-position: center;
    background-size: cover;
    height: 400px;
    margin-bottom: 2rem;
}