/* 振华经方 · 六经详情页公共样式 */
/* 由 taiyang.html 提取，供六篇共用 */
* { margin: 0; padding: 0; box-sizing: border-box; }

  body {
    font-family: 'Noto Serif SC', 'Songti SC', 'STSong', '宋体', serif;
    background: #1a1410;
    color: #d4c5a0;
    line-height: 1.9;
    min-height: 100vh;
  }

  /* ── 顶部导航 ── */
  .top-nav {
    background: linear-gradient(135deg, var(--deep-brown) 0%, #4E342E 100%);
    border-bottom: 2px solid var(--gold);
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    position: sticky; top: 0; z-index: 100;
    box-shadow: 0 2px 16px rgba(62,39,35,0.25);
  }
  .top-nav .brand {
    color: var(--gold-light);
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    padding: 12px 0;
    white-space: nowrap;
  }
  .top-nav .nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding: 10px 0;
    align-items: center;
  }
  .top-nav a {
    color: var(--gold-light);
    text-decoration: none;
    padding: 7px 16px;
    border-radius: 4px;
    font-size: 0.95rem;
    transition: all 0.25s;
    border: 1px solid transparent;
    white-space: nowrap;
  }
  .top-nav a:hover {
    background: rgba(201,169,110,0.15);
    border-color: var(--gold);
    color: var(--gold);
  }

  /* ── 主体容器 ── */
  .main-container {
    max-width: 860px;
    margin: 0 auto;
    padding: 40px 24px 60px;
  }

  /* ── 标题区 ── */
  .page-header {
    text-align: center;
    padding: 48px 0 32px;
    border-bottom: 2px solid var(--gold);
    margin-bottom: 36px;
    position: relative;
  }
  .page-header::after {
    content: "";
    position: absolute;
    bottom: -6px; left: 50%;
    transform: translateX(-50%);
    width: 60px; height: 10px;
    background: var(--gold);
    border-radius: 3px;
  }
  .page-header h1 {
    font-size: 2.6rem;
    color: #d4c5a0;
    letter-spacing: 0.1em;
    font-weight: 700;
    margin-bottom: 8px;
  }
  .page-header .subtitle {
    font-size: 1.1rem;
    color: #b8a080;
    letter-spacing: 0.06em;
  }
  .page-header .meridian-badge {
    display: inline-block;
    background: var(--deep-brown);
    color: var(--gold);
    padding: 4px 18px;
    border-radius: 20px;
    font-size: 0.9rem;
    letter-spacing: 0.08em;
    margin-top: 12px;
  }

  /* ── 配图占位区 ── */
  .img-placeholder {
    width: 100%;
    min-height: 200px;
    background: rgba(42,31,20,.6);
    border: 2px solid rgba(139,105,20,.25);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #b8a080;
    font-size: 1.1rem;
    letter-spacing: 0.05em;
    margin: 10px 0 36px;
    transition: all 0.3s;
  }
  .img-placeholder:hover {
    border-color: var(--gold);
    background: rgba(42,31,20,.8);
    border-color: var(--gold);
  }

  /* ── 章节 ── */
  section {
    margin-bottom: 40px;
  }
  section h2 {
    font-size: 1.5rem;
    color: #d4c5a0;
    border-left: 4px solid var(--gold);
    padding-left: 14px;
    margin-bottom: 16px;
    letter-spacing: 0.05em;
  }
  section h3 {
    font-size: 1.15rem;
    color: #b8a080;
    margin: 20px 0 10px;
    letter-spacing: 0.04em;
  }
  section p {
    text-indent: 2em;
    margin-bottom: 10px;
  }
  section ul, section ol {
    margin: 8px 0 16px 2em;
  }
  section li {
    margin-bottom: 6px;
  }

  /* ── 提示框 ── */
  .highlight-box {
    background: rgba(201,168,76,.08);
    border: 1px solid rgba(201,168,76,.2);
    border-left: 4px solid var(--gold);
    border-radius: 8px;
    padding: 20px 24px;
    margin: 20px 0;
    font-size: 0.98rem;
  }
  .highlight-box strong {
    color: #d4c5a0;
  }

  /* ── 方剂卡片 ── */
  .formula-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
    margin: 16px 0;
  }
  .formula-card {
    background: var(--paper);
    border: 1px solid var(--border-subtle);
    border-radius: 10px;
    padding: 18px 20px;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
  }
  .formula-card::before {
    content: "";
    position: absolute;
    top: 0; left: 0;
    width: 4px; height: 100%;
    background: var(--gold);
    border-radius: 10px 0 0 10px;
  }
  .formula-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(62,39,35,0.1);
    border-color: var(--gold);
  }
  .formula-card .formula-name {
    font-size: 1.15rem;
    font-weight: 700;
    color: #d4c5a0;
    margin-bottom: 8px;
    letter-spacing: 0.06em;
  }
  .formula-card .formula-ingredients {
    font-size: 0.9rem;
    color: #d4c5a0;
    line-height: 1.7;
  }
  .formula-card .formula-tag {
    display: inline-block;
    background: var(--gold-light);
    color: #d4c5a0;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 0.78rem;
    margin-top: 10px;
  }

  /* ── 条文引用 ── */
  .verse-block {
    background: var(--deep-brown);
    color: var(--gold-light);
    border-radius: 10px;
    padding: 22px 26px;
    margin: 20px 0;
    font-family: "KaiTi", "STKaiti", "Noto Serif SC", serif;
    line-height: 2;
  }
  .verse-block .verse-num {
    color: var(--gold);
    font-weight: 700;
    margin-right: 6px;
  }

  /* ── 鉴别表格 ── */
  .diff-table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    font-size: 0.95rem;
  }
  .diff-table th {
    background: var(--deep-brown);
    color: var(--gold-light);
    padding: 12px 14px;
    text-align: left;
    font-weight: 600;
    letter-spacing: 0.05em;
  }
  .diff-table td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-subtle);
  }
  .diff-table tr:nth-child(even) td {
    background: rgba(232,213,183,0.2);
  }

  /* ── 底部导航 ── */
  .bottom-nav {
    margin-top: 52px;
    padding-top: 28px;
    border-top: 2px solid var(--gold);
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
  }
  .bottom-nav a {
    display: inline-block;
    padding: 10px 24px;
    background: var(--deep-brown);
    color: var(--gold-light);
    text-decoration: none;
    border-radius: 6px;
    font-size: 0.95rem;
    letter-spacing: 0.05em;
    transition: all 0.25s;
    border: 1px solid transparent;
  }
  .bottom-nav a:hover {
    background: #4E342E;
    border-color: var(--gold);
    color: var(--gold);
  }

  /* ── 响应式 ── */
  @media (max-width: 600px) {
    .page-header h1 { font-size: 1.8rem; }
    .top-nav { padding: 0 12px; }
    .top-nav a { padding: 5px 10px; font-size: 0.85rem; }
    .main-container { padding: 20px 14px 40px; }
    .formula-grid { grid-template-columns: 1fr; }
  }