/* 文章页面统一样式 */
:root {
  --primary-green: #2d5a27;
  --dark-green: #1a3a17;
  --light-bg: #f8f7f2;
  --text-dark: #333;
  --text-gray: #666;
  --border-color: #e0ddd5;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  background-color: var(--light-bg);
  color: var(--text-dark);
  line-height: 1.8;
  font-size: 16px;
}

/* 文章头部导航 */
.article-header {
  background: #fff;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.article-header-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.back-home {
  color: var(--primary-green);
  text-decoration: none;
  font-size: 14px;
}

.back-home:hover {
  text-decoration: underline;
}

.article-category {
  font-size: 13px;
  color: var(--text-gray);
  background: #f0f0f0;
  padding: 4px 10px;
  border-radius: 20px;
}

/* 文章主体 */
.article-main {
  max-width: 800px;
  margin: 0 auto;
  padding: 30px 20px 60px;
}

.article-content {
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  padding: 40px;
}

.article-title {
  font-size: 28px;
  font-weight: 600;
  color: var(--text-dark);
  line-height: 1.4;
  margin-bottom: 20px;
}

.article-meta {
  font-size: 14px;
  color: var(--text-gray);
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 30px;
}

.article-meta span {
  margin-right: 20px;
}

/* 文章正文内容 */
.article-body {
  font-size: 17px;
  line-height: 1.9;
}

.article-body p {
  margin-bottom: 1.2em;
  text-align: justify;
}

.article-body img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 20px auto;
  border-radius: 4px;
}

.article-body h2, .article-body h3, .article-body h4 {
  margin: 1.5em 0 0.8em;
  color: var(--dark-green);
}

.article-body a {
  color: var(--primary-green);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.article-body a:hover {
  border-bottom-color: var(--primary-green);
}

.article-body blockquote {
  border-left: 4px solid var(--primary-green);
  background: #f5f5f5;
  padding: 15px 20px;
  margin: 20px 0;
  font-style: italic;
}

.article-body ul, .article-body ol {
  margin: 1em 0;
  padding-left: 2em;
}

.article-body li {
  margin-bottom: 0.5em;
}

/* 底部 */
.article-footer {
  background: var(--dark-green);
  color: #fff;
  text-align: center;
  padding: 40px 20px;
}

.footer-contact {
  max-width: 600px;
  margin: 0 auto 20px;
}

.footer-contact p {
  margin-bottom: 8px;
  font-size: 15px;
}

.footer-contact strong {
  font-size: 18px;
}

.copyright {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
}

/* 响应式 */
@media (max-width: 768px) {
  .article-content {
    padding: 25px 20px;
  }

  .article-title {
    font-size: 22px;
  }

  .article-body {
    font-size: 16px;
  }
}