/* 全局样式 */
body {
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #87CEEB, #4682B4);
    color: #333;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    overflow-x: hidden;
}
h1, h2, h3 {
    font-family: 'Bebas Neue', sans-serif;
    color: #FFA500;
    text-align: center;
    margin: 20px 0;
}
p {
    font-size: 1rem;
    color: #4682B4;
    padding: 0 20px;
}
a {
    color: #FFA500;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}

/* 页面布局 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin: 10px;
    padding: 20px;
    flex: 1 1 calc(33.333% - 40px);
    transition: transform 0.3s ease-in-out;
}
.card:hover {
    transform: translateY(-10px);
}

/* Parallax 滚动效果 */
.parallax {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    height: 400px;
    margin: 40px 0;
}
.parallax:nth-child(odd) {
    background-image: url('https://images.gptkong.com/demo/sample1.png');
}
.parallax:nth-child(even) {
    background-image: url('https://images.gptkong.com/demo/sample2.png');
}

/* 表格样式 */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 10px;
    overflow: hidden;
}
th, td {
    padding: 10px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}
th {
    background-color: #FFA500;
    color: white;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }
    .card {
        flex: 1 1 100%;
    }
    .parallax {
        height: 200px;
    }
}
@media (max-width: 480px) {
    h1, h2, h3 {
        font-size: 1.5rem;
    }
    p {
        font-size: 0.9rem;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
.fade-in {
    animation: fadeIn 2s ease-in-out;
}
button {
    background: #FFA500;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    transition: transform 0.3s ease-in-out;
}
button:hover {
    transform: scale(1.1);
}

/* 图片装饰 */
.decorative-img {
    width: 100%;
    max-width: 320px;
    margin: 20px auto;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* 提示信息 */
.tip {
    background: #F5F5F5;
    color: #4682B4;
    padding: 10px;
    border-left: 5px solid #FFA500;
    margin: 20px 0;
    font-style: italic;
}

/* 代码块样式 */
pre {
    background: #282c34;
    color: #fff;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    font-family: 'Consolas', monospace;
    font-size: 0.9rem;
}
code {
    color: #FFA500;
    font-weight: bold;
}