/* ---------- ARTICLE PAGE SPECIFIC ---------- */
    /* Hero 区域 (文章标题与元信息) */
    .article-hero {
      padding: 60px 0 20px;
      background: var(--gray-light);
      border-bottom: 1px solid var(--border-light);
    }
    .article-header {
      max-width: 900px;
      margin: 0 auto;
    }
    .article-header h1 {
      font-size: 3rem;
      font-weight: 600;
      color: var(--primary-dark);
      margin-bottom: 20px;
      line-height: 1.2;
    }
    .article-meta {
      display: flex;
      gap: 30px;
      color: var(--gray-mid);
      font-size: 1rem;
      margin-bottom: 30px;
    }
    .article-meta i {
      color: var(--primary-gold);
      margin-right: 6px;
    }

    /* 文章主体排版 */
    .article-body {
      max-width: 900px;
      margin: 40px auto;
      font-size: 1.1rem;
      color: #2d4055;
    }
    .article-body h2 {
      font-size: 2rem;
      font-weight: 600;
      color: var(--primary-dark);
      margin: 40px 0 20px;
    }
    .article-body h3 {
      font-size: 1.6rem;
      font-weight: 600;
      color: var(--primary-dark);
      margin: 30px 0 15px;
    }
    .article-body h4 {
      font-size: 1.3rem;
      font-weight: 600;
      color: var(--primary-dark);
      margin: 25px 0 12px;
    }
    .article-body h5 {
      font-size: 1.1rem;
      font-weight: 600;
      color: var(--primary-dark);
      margin: 20px 0 10px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .article-body p {
      margin-bottom: 1.5rem;
      line-height: 1.8;
    }
    .article-body img {
      max-width: 100%;
      height: auto;
      border-radius: 24px;
      margin: 30px 0;
      box-shadow: 0 15px 30px -10px rgba(0,0,0,0.2);
    }
    .article-body figure {
      margin: 30px 0;
    }
    .article-body figcaption {
      text-align: center;
      color: var(--gray-mid);
      font-size: 0.9rem;
      margin-top: 10px;
    }

    /* 文章缩略图 (顶部展示) */
    .featured-image {
      max-width: 100%;
      margin-bottom: 30px;
    }
    .featured-image img {
      width: 100%;
      height: auto;
      border-radius: 24px;
      max-height: 500px;
      object-fit: cover;
    }

    /* 上一篇/下一篇导航 */
    .post-navigation {
      display: flex;
      justify-content: space-between;
      margin: 60px 0 40px;
      padding: 20px 0;
      border-top: 1px solid var(--border-light);
      border-bottom: 1px solid var(--border-light);
    }
    .nav-prev, .nav-next {
      max-width: 45%;
    }
    .nav-prev a, .nav-next a {
      display: block;
      text-decoration: none;
      color: var(--primary-dark);
      font-weight: 500;
      transition: color 0.2s;
    }
    .nav-prev a:hover, .nav-next a:hover {
      color: var(--primary-gold);
    }
    .nav-direction {
      font-size: 0.9rem;
      color: var(--gray-mid);
      margin-bottom: 5px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .nav-title {
      font-size: 1.2rem;
      font-weight: 600;
    }

    /* 相关文章卡片网格 */
    .related-articles {
      margin: 60px 0 40px;
    }
    .related-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
      margin-top: 30px;
    }
    .related-card {
      background: white;
      border-radius: 20px;
      overflow: hidden;
      box-shadow: 0 8px 20px -8px rgba(0,0,0,0.05);
      border: 1px solid var(--border-light);
      transition: all 0.3s;
    }
    .related-card:hover {
      transform: translateY(-6px);
      border-color: var(--primary-gold);
    }
    .related-card img {
      width: 100%;
      height: 180px;
      object-fit: cover;
      display: block;
    }
    .related-content {
      padding: 20px;
    }
    .related-content h4 {
      margin-bottom: 10px;
    }
    .related-content h4 a {
      font-size: 1.2rem;
      font-weight: 600;
      color: var(--primary-dark);
      text-decoration: none;
      transition: color 0.2s;
    }
    .related-content h4 a:hover {
      color: var(--primary-gold);
    }
    .related-date {
      color: var(--gray-mid);
      font-size: 0.9rem;
    }
    .related-date i {
      color: var(--primary-gold);
      margin-right: 5px;
    }

    @media (max-width: 900px) {
      .related-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 600px) {
      .article-header h1 { font-size: 2.2rem; }
      .related-grid { grid-template-columns: 1fr; }
      .post-navigation { flex-direction: column; gap: 20px; }
      .nav-prev, .nav-next { max-width: 100%; }
    }