/* ============ 文章页 · 科研素雅风格（覆盖主页像素风） ============ */

/* 素色背景，去掉粉色渐变与网格 */
body {
  background: #fbfbfc;
  background-image: none;
  font-family: "PingFang SC", "Microsoft YaHei", "SimHei", sans-serif;
  color: #24292f;
}

/* 隐藏天空云朵与星星 */
.sky { display: none; }

/* 导航素雅化 */
.nav {
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid #e5e7eb;
}
.nav-logo { font-family: Georgia, "Times New Roman", serif; font-size: 16px; color: #1f3a5f; letter-spacing: 0; }
.nav-links a { color: #6b7280; }
.nav-links a:hover { color: #1f3a5f; }

/* 文章主体：更窄的阅读栏宽 */
.article-main { max-width: 720px; margin: 0 auto; padding: 56px 28px 88px; }

/* 头部：左对齐，像论文标题 */
.article-header { text-align: left; margin-bottom: 42px; }
.article-title {
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", Georgia, serif;
  font-size: 34px;
  font-weight: 700;
  color: #111827;
  line-height: 1.42;
  letter-spacing: 0.5px;
  margin-bottom: 18px;
}
.article-meta { justify-content: flex-start; gap: 14px; color: #9ca3af; font-size: 13px; }
.article-tag {
  background: transparent;
  color: #6b7280;
  border: 1px solid #d1d5db;
  border-radius: 999px;
  padding: 2px 12px;
  font-size: 12px;
  font-weight: 500;
}
.article-rule {
  width: 100%;
  max-width: none;
  height: 1px;
  margin: 28px 0 0;
  background: #e5e7eb;
}

/* 正文 */
.article { font-size: 16.5px; color: #24292f; }
.article p { line-height: 1.95; margin-bottom: 20px; }
.article strong { color: #111827; font-weight: 700; }

/* 引用：细竖线 + 极淡灰底 */
.article blockquote {
  margin: 28px 0;
  padding: 18px 22px;
  background: #f5f6f8;
  border-left: 3px solid #1f3a5f;
  color: #4b5563;
  font-size: 15.5px;
  border-radius: 0 4px 4px 0;
  box-shadow: none;
}
.article blockquote p { margin: 0; line-height: 1.85; }

/* 列表 */
.article ol { margin: 0 0 22px 26px; }
.article ol li { margin-bottom: 12px; line-height: 1.9; }

/* 表格：细线科研风 */
.article table {
  width: 100%;
  border-collapse: collapse;
  margin: 26px 0;
  font-size: 14px;
  background: #fff;
  box-shadow: none;
  border: 1px solid #e5e7eb;
}
.article table th,
.article table td {
  padding: 11px 14px;
  border: 1px solid #e5e7eb;
}
.article table th {
  background: #f3f4f6;
  color: #111827;
  font-weight: 600;
  letter-spacing: 0.3px;
}
.article table tr:nth-child(even) td { background: #fafafa; }
/* 第一列（模型名）左对齐，更学术 */
.article table td:first-child { text-align: left; font-weight: 500; }

/* 页脚素雅化 */
.footer {
  border-top: 1px solid #e5e7eb;
  color: #6b7280;
  background: transparent;
}
.footer p { color: #6b7280; }
.footer-link a { color: #1f3a5f; }
.footer-link a:hover { color: #111827; }

/* 响应式 */
@media (max-width: 640px) {
  .article-main { padding: 36px 18px 64px; }
  .article-title { font-size: 26px; }
  .article { font-size: 15.5px; }
}