/* 全局样式 */
:root {
    --main-color: #6A0DAD;
    --accent-color: #FAC84B;
    --background-gradient: radial-gradient(circle, #6A0DAD, #FFC8DD);
    --background-color: #f9f9f9;
    --text-color: #333;
    --title-font: 'Roboto', sans-serif;
    --body-font: 'Arial', sans-serif;
}

/* 重置部分 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 页面背景 */
body {
    font-family: var(--body-font);
    color: var(--text-color);
    background: var(--background-gradient);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 导航栏样式 */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    padding: 20px 40px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    animation: fadeIn 2s ease-in-out;
}

header h1 {
    font-family: var(--title-font);
    font-size: 24px;
    color: var(--main-color);
}

/* 主要内容样式 */
main {
    margin-top: 80px;
    padding: 20px 40px;
    flex: 1;
}

/* 卡片网格布局 */
.cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.card {
    background-color: #ffffff;
    border: 1px solid var(--main-color);
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.3s ease, border-color 0.3s ease;
    animation: fadeIn 1s ease-in-out;
}

.card:hover {
    transform: scale(1.05);
    border-color: var(--accent-color);
}

.card img {
    width: 100%;
    height: auto;
    display: block;
}

.card-content {
    padding: 15px;
}

.card-title {
    font-family: var(--title-font);
    font-size: 20px;
    color: var(--main-color);
    margin-bottom: 10px;
}

.card-description {
    font-size: 14px;
    color: var(--text-color);
    margin-bottom: 15px;
}

.card a {
    text-decoration: none;
    color: var(--accent-color);
    font-weight: bold;
    rel="nofollow";
}

/* 示例展示样式 */
.article-container {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    animation: fadeIn 1.5s ease-in-out;
}

.article-container h2 {
    font-family: var(--title-font);
    font-size: 28px;
    color: var(--main-color);
    margin-bottom: 20px;
}

.article-container h3 {
    font-size: 24px;
    color: var(--accent-color);
    margin-top: 20px;
    margin-bottom: 10px;
}

.article-container h4 {
    font-size: 20px;
    color: var(--main-color);
    margin-top: 15px;
    margin-bottom: 8px;
}

.article-container p {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 15px;
}

.article-container pre {
    background-color: #f4f4f4;
    padding: 10px;
    border-radius: 4px;
    overflow-x: auto;
    margin-bottom: 15px;
}

.article-container code {
    font-family: 'Courier New', Courier, monospace;
    color: var(--main-color);
}

.article-container table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

.article-container th, .article-container td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}

.article-container th {
    background-color: var(--accent-color);
    color: #ffffff;
}

.article-container a {
    color: var(--accent-color);
    text-decoration: none;
    rel="nofollow";
}

.article-container a:hover {
    text-decoration: underline;
}

/* 提示文字样式 */
.reference-note {
    text-align: center;
    font-size: 18px;
    color: var(--main-color);
    margin: 20px 0;
}

/* 响应式设计 */
@media (max-width: 1440px) {
    main {
        padding: 20px 30px;
    }
}

@media (max-width: 1200px) {
    main {
        padding: 20px;
    }
}

@media (max-width: 1024px) {
    header {
        padding: 15px 30px;
    }

    .card-title {
        font-size: 18px;
    }

    .article-container h2 {
        font-size: 24px;
    }
}

@media (max-width: 768px) {
    header {
        padding: 10px 20px;
    }

    main {
        padding: 15px 20px;
    }

    .card-title {
        font-size: 16px;
    }

    .article-container h2 {
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 20px;
    }

    .card-title {
        font-size: 14px;
    }

    .article-container h2 {
        font-size: 18px;
    }

    .article-container p, .article-container code, .article-container table {
        font-size: 14px;
    }
}

@media (max-width: 320px) {
    header h1 {
        font-size: 18px;
    }

    .card-title {
        font-size: 12px;
    }

    .article-container h2 {
        font-size: 16px;
    }

    .article-container p, .article-container code, .article-container table {
        font-size: 12px;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes auroraMove {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

body {
    animation: auroraMove 15s linear infinite;
}

/* 代码块样式增强 */
.article-container pre {
    background-color: #2d2d2d;
    color: #f8f8f2;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}

.article-container pre code {
    font-family: 'Courier New', Courier, monospace;
    font-size: 14px;
}