/* 全局样式 */
body {
    margin: 0;
    font-family: 'Open Sans', sans-serif;
    background: linear-gradient(135deg, #1a1a40, #483d8b);
    color: white;
    line-height: 1.6;
    padding: 20px;
}
h1, h2, h3, h4, h5, h6 {
    font-family: 'Roboto', sans-serif;
    color: #f57c00;
}
a {
    color: #f57c00;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}

/* 布局容器 */
.container {
    max-width: 1440px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

/* 卡片设计 */
.card {
    background: linear-gradient(135deg, #1a1a40, #483d8b);
    border-radius: 12px;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
    padding: 20px;
    transition: transform 0.3s ease, background 0.3s ease;
    position: relative;
    overflow: hidden;
}
.card:hover {
    transform: scale(1.05);
    background: linear-gradient(135deg, #f57c00, #ff9800);
}
.card img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 10px;
}
.card-title {
    font-size: 1.2rem;
    margin-bottom: 10px;
}
.card-content {
    font-size: 0.9rem;
    color: #e0e0e0;
}

/* 文章样式 */
article {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}
article h2 {
    color: #f57c00;
    margin-bottom: 15px;
}
article p {
    color: #e0e0e0;
    margin-bottom: 15px;
}
article pre {
    background: #2c2c54;
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
}
article code {
    color: #f57c00;
    font-size: 0.9rem;
}
article table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}
article th, article td {
    border: 1px solid #483d8b;
    padding: 10px;
    text-align: left;
}
article th {
    background: #f57c00;
    color: white;
}

/* 自适应布局 */
@media (max-width: 768px) {
    .container {
        grid-template-columns: 1fr;
    }
    article {
        padding: 15px;
    }
}
@media (max-width: 480px) {
    body {
        padding: 10px;
    }
    .card {
        padding: 15px;
    }
}

/* 提示信息 */
.tip {
    text-align: center;
    font-size: 0.9rem;
    color: #f57c00;
    margin-top: 20px;
}