/* ============================================================
   稽真知识库（/wiki/）— 浅色阅读模板
   复用品牌色：境蓝 #2E7BF6 / 镜青 #00B9C7 / 墨黑 #0E1B2E / 云白 #F5F8FC
   零外部依赖，适配医院内网
   ============================================================ */

:root {
  --jing: #2E7BF6;
  --jing-deep: #1E63D0;
  --cyan: #00B9C7;
  --ink: #0E1B2E;
  --body: #33475E;
  --muted: #6B7C93;
  --line: #E3EAF4;
  --bg: #F5F8FC;
  --card: #FFFFFF;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Inter", system-ui, sans-serif;
  color: var(--body);
  background: var(--bg);
  line-height: 1.85;
  font-size: 16.5px;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--jing-deep); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* ---------- 顶栏 ---------- */
.wk-nav {
  background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 50;
}
.wk-nav__in {
  max-width: 1080px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.wk-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--ink);
  font-size: 17px;
}
.wk-brand em {
  font-style: normal;
  color: var(--muted);
  font-weight: 400;
  font-size: 13px;
  margin-left: 2px;
}
.wk-brand__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); }
.wk-nav__links { display: flex; gap: 20px; font-size: 14.5px; }
.wk-nav__links a { color: var(--body); }
.wk-btn {
  display: inline-block;
  background: var(--jing);
  color: #fff !important;
  padding: 9px 20px;
  border-radius: 8px;
  font-size: 14.5px;
  font-weight: 600;
  text-decoration: none !important;
  transition: background .15s;
}
.wk-btn:hover { background: var(--jing-deep); }
.wk-btn--ghost {
  background: transparent;
  color: var(--jing-deep) !important;
  border: 1.5px solid var(--jing);
}
.wk-btn--ghost:hover { background: #EAF2FE; }

/* ---------- 面包屑 ---------- */
.crumbs {
  font-size: 13.5px;
  color: var(--muted);
  padding: 22px 0 0;
}
.crumbs a { color: var(--muted); }
.crumbs span { margin: 0 8px; color: #C3CFDE; }

/* ---------- 文章主体 ---------- */
article.wk-post { max-width: 800px; margin: 0 auto; padding: 28px 24px 40px; }

.wk-cat {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--cyan);
  background: rgba(0, 185, 199, .1);
  border-radius: 999px;
  padding: 3px 14px;
  margin-bottom: 14px;
}

h1.wk-title {
  font-size: 30px;
  line-height: 1.4;
  color: var(--ink);
  font-weight: 800;
  margin-bottom: 14px;
}

.wk-meta {
  font-size: 13.5px;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 30px;
}
.wk-meta b { color: var(--body); font-weight: 600; }

article h2 {
  font-size: 22px;
  color: var(--ink);
  font-weight: 700;
  margin: 44px 0 16px;
  padding-left: 14px;
  border-left: 4px solid var(--jing);
  line-height: 1.45;
}
article h3 {
  font-size: 17.5px;
  color: var(--ink);
  font-weight: 700;
  margin: 28px 0 10px;
}
article p { margin: 12px 0; }
article ul, article ol { margin: 12px 0 12px 26px; }
article li { margin: 7px 0; }
article strong { color: var(--ink); }

.toc {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 22px;
  margin: 0 0 30px;
  font-size: 14.5px;
}
.toc b { display: block; color: var(--ink); margin-bottom: 8px; font-size: 14px; letter-spacing: .05em; }
.toc ol { margin-left: 20px; }
.toc li { margin: 4px 0; }

.callout {
  background: #EAF2FE;
  border-left: 4px solid var(--jing);
  border-radius: 0 10px 10px 0;
  padding: 14px 18px;
  margin: 18px 0;
  font-size: 15px;
}
.callout--cyan { background: #E6FAFB; border-color: var(--cyan); }

table.wk-table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0;
  font-size: 14.5px;
  background: var(--card);
  border-radius: 10px;
  overflow: hidden;
}
.wk-table th {
  background: #EDF3FB;
  color: var(--ink);
  text-align: left;
  padding: 10px 14px;
  font-weight: 700;
  border-bottom: 2px solid var(--line);
}
.wk-table td { padding: 10px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.wk-table tr:last-child td { border-bottom: none; }

/* ---------- FAQ（details 无 JS 手风琴） ---------- */
.wk-faq { margin: 20px 0; }
.wk-faq details {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  margin: 10px 0;
  padding: 0 18px;
}
.wk-faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
  padding: 14px 0;
  list-style: none;
  position: relative;
  padding-right: 30px;
}
.wk-faq summary::-webkit-details-marker { display: none; }
.wk-faq summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  color: var(--jing);
  font-weight: 400;
}
.wk-faq details[open] summary::after { content: "−"; }
.wk-faq details p { padding: 0 0 14px; font-size: 15px; }

/* ---------- 相关文章 / CTA ---------- */
.wk-related { max-width: 1080px; margin: 0 auto 30px; padding: 0 24px; }
.wk-related h2 {
  font-size: 20px;
  color: var(--ink);
  margin-bottom: 16px;
  border: none;
  padding: 0;
}
.wk-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.wk-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
  display: block;
  text-decoration: none !important;
  transition: border-color .15s, transform .15s;
}
.wk-card:hover { border-color: var(--jing); transform: translateY(-2px); }
.wk-card b { display: block; color: var(--ink); font-size: 16px; margin-bottom: 6px; line-height: 1.5; }
.wk-card span { font-size: 13.5px; color: var(--muted); line-height: 1.7; display: block; }
.wk-card i { font-style: normal; font-size: 12px; color: var(--cyan); font-weight: 700; letter-spacing: .06em; }

.wk-cta {
  max-width: 1080px;
  margin: 40px auto 0;
  padding: 0 24px 26px;
}
.wk-cta__box {
  background: linear-gradient(135deg, #0B1B33 0%, #143E7A 100%);
  border-radius: 16px;
  padding: 36px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.wk-cta__box h3 { color: #fff; font-size: 21px; margin: 0 0 6px; }
.wk-cta__box p { color: #B9CBE8; font-size: 14.5px; margin: 0; }
.wk-cta__box .wk-btn { background: var(--cyan); color: #04202A !important; font-size: 15.5px; padding: 12px 28px; }
.wk-cta__box .wk-btn:hover { background: #06D2E2; }

/* ---------- 页脚 ---------- */
.wk-footer {
  border-top: 1px solid var(--line);
  background: var(--card);
  padding: 22px 0;
  margin-top: 10px;
}
.wk-footer__in {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: var(--muted);
}

/* ---------- 内容中心（索引页） ---------- */
.wk-hero {
  background: linear-gradient(160deg, #0B1B33 0%, #123E7A 100%);
  padding: 54px 0 46px;
  color: #fff;
}
.wk-hero h1 { font-size: 32px; font-weight: 800; margin-bottom: 12px; }
.wk-hero p { color: #B9CBE8; max-width: 640px; font-size: 16px; }
.wk-hero .crumbs, .wk-hero .crumbs a { color: #8FA9CF; }

.wk-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 18px; margin: 34px 0 10px; }
.wk-grid .wk-card { padding: 26px; }

@media (max-width: 640px) {
  h1.wk-title { font-size: 24px; }
  .wk-nav__links { display: none; }
  .wk-cta__box { padding: 26px; }
  article.wk-post { padding: 22px 20px 30px; }
  body { font-size: 15.5px; }
}