/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    background: linear-gradient(135deg, #000046, #1cb5e0);
    color: white;
    overflow-x: hidden;
    position: relative;
}
h1, h2, h3, h4 {
    font-family: 'Orbitron', sans-serif;
    font-weight: bold;
    text-shadow: 0 2px 5px rgba(0, 255, 127, 0.5);
}
a {
    color: #00ff7f;
    text-decoration: none;
}
a:hover {
    text-shadow: 0 0 10px #00ff7f;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 20px;
}
.module {
    grid-column: span 12;
    background: rgba(0, 0, 70, 0.8);
    border-radius: 10px;
    padding: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.module:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 255, 127, 0.3);
}
@media (min-width: 768px) {
    .module {
        grid-column: span 6;
    }
}
@media (min-width: 1024px) {
    .module {
        grid-column: span 4;
    }
}
.header {
    text-align: center;
    padding: 50px 20px;
    background: linear-gradient(to bottom, #000046, #000066);
    margin-bottom: 20px;
    position: relative;
}
.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.gptkong.com/demo/sample1.png') no-repeat center/cover, 
                url('https://images.gptkong.com/demo/sample2.png') no-repeat center/cover;
    opacity: 0.1;
    z-index: -1;
}
.title {
    font-size: 3rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}
.subtitle {
    font-size: 1.5rem;
    color: #00ff7f;
    margin-top: 10px;
}
.grid-item {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
}
.grid-item img {
    width: 100%;
    height: auto;
    transition: transform 0.5s ease;
}
.grid-item:hover img {
    transform: scale(1.1);
}
.code-block {
    background: #000033;
    color: #00ff7f;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.4;
}
.code-block pre {
    white-space: pre-wrap;
    word-wrap: break-word;
}
.button {
    background-color: #00ff7f;
    color: black;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease;
}
.button:hover {
    background-color: #00cc66;
    transform: scale(1.1);
}
.table-container {
    overflow-x: auto;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}
th, td {
    border: 1px solid #00ff7f;
    padding: 10px;
    text-align: left;
}
th {
    background-color: #000066;
}
td {
    background-color: #000046;
}
.footer {
    text-align: center;
    padding: 20px;
    background: linear-gradient(to top, #000046, #000066);
    margin-top: 20px;
    font-size: 0.9rem;
    color: #00ff7f;
}