/* 基础样式 */
body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #000046, #1cb5e0);
    color: white;
    line-height: 1.6;
    overflow-x: hidden;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    box-sizing: border-box;
}
h1, h2, h3, h4, h5, h6 {
    font-weight: bold;
    text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.5);
}
h1 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 20px;
    position: relative;
    color: #fff;
    text-shadow: 
        2px 2px 0 #00c6ff,
        4px 4px 0 #0072ff;
}
p {
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 15px;
}
pre {
    background: rgba(0, 0, 0, 0.7);
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
    font-size: 0.9rem;
}
code {
    color: #00c6ff;
    font-family: 'Courier New', Courier, monospace;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    overflow: hidden;
}
th, td {
    padding: 10px;
    text-align: left;
    border: 1px solid rgba(255, 255, 255, 0.2);
}
th {
    background: rgba(0, 198, 255, 0.3);
    font-weight: bold;
}
tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.05);
}
img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 20px auto;
    border-radius: 8px;
}
button {
    background-color: #0072ff;
    color: white;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease;
    border-radius: 5px;
    box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.5);
}
button:hover {
    background-color: #00c6ff;
    transform: translateY(-2px);
    box-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}
.icon-3d {
    width: 50px;
    height: 50px;
    background-color: #00c6ff;
    transform: rotateY(45deg);
    perspective: 500px;
    transition: transform 0.5s ease;
    margin: 20px auto;
    display: block;
}
.icon-3d:hover {
    transform: rotateY(90deg);
}
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    p, code {
        font-size: 0.9rem;
    }
    pre {
        font-size: 0.8rem;
    }
}
@media (max-width: 480px) {
    h1 {
        font-size: 1.8rem;
    }
    table {
        font-size: 0.8rem;
    }
}
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.gptkong.com/demo/sample1.png') repeat;
    opacity: 0.1;
    z-index: -1;
    animation: moveBackground 10s infinite linear;
}
@keyframes moveBackground {
    from { background-position: 0 0; }
    to { background-position: -100px 0; }
}
.notice {
    text-align: center;
    font-size: 0.9rem;
    color: #ff6f61;
    margin-bottom: 20px;
}