/* 全局样式定义 */
body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #1a1c2c, #2a2f4f);
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Open Sans', sans-serif;
    color: #ff9800;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

p {
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

a {
    color: #ff7f50;
    text-decoration: none;
    transition: color 0.3s ease-in-out;
}

a:hover {
    color: #ffa500;
}

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

/* 标题区设计 */
.header {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: linear-gradient(135deg, #1a1c2c, #2a2f4f), url('https://images.gptkong.com/demo/sample1.png');
    background-size: cover;
    background-position: center;
    color: #ffffff;
    text-align: center;
}

.header h1 {
    font-size: 3rem;
    font-weight: bold;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
    letter-spacing: 2px;
}

.header p {
    font-size: 1.2rem;
    margin-top: 1rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* 网格布局与模块化设计 */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 2rem;
    margin-bottom: 2rem;
}

.grid-item {
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    transition: transform 0.3s ease-in-out;
}

.grid-item:hover {
    transform: translateY(-10px);
}

.grid-item img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    margin-bottom: 10px;
}

/* 文章区域排版优化 */
.article-container {
    background: linear-gradient(135deg, #2a2f4f, #1a1c2c);
    padding: 40px 20px;
    border-radius: 15px;
    margin-top: 2rem;
}

.article-container h2 {
    color: #ff9800;
    font-size: 2rem;
    margin-bottom: 1rem;
}

.article-container pre {
    background-color: #1a1c2c;
    color: #ffffff;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.article-container table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1rem;
}

.article-container th, .article-container td {
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 10px;
    text-align: left;
}

.article-container th {
    background-color: rgba(255, 152, 0, 0.2);
}

/* 动画与交互效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

.button {
    display: inline-block;
    background-color: #ff9800;
    color: #ffffff;
    padding: 10px 20px;
    border-radius: 5px;
    transition: background-color 0.3s ease-in-out;
}

.button:hover {
    background-color: #ff7f50;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header h1 {
        font-size: 2rem;
    }

    .header p {
        font-size: 1rem;
    }

    .grid-container {
        grid-template-columns: 1fr;
    }

    .article-container pre {
        font-size: 0.8rem;
    }
}

@media (max-width: 400px) {
    body {
        font-size: 0.9rem;
    }

    .header h1 {
        font-size: 1.5rem;
    }

    .header p {
        font-size: 0.9rem;
    }
}