/* 外规通 · 标准库样式（挂载于 style.css 之后） */
.lib-page .brand { color: #fff; text-decoration: none; }
.lib-page .brand-sub { color: #fff; }

.header-nav { display: flex; align-items: center; gap: 16px; font-size: 13.5px; }
.header-nav .nav-link {
  color: rgba(255,255,255,.78); text-decoration: none;
  padding: 2px 0; border-bottom: 2px solid transparent;
}
.header-nav .nav-link.active { color: #fff; font-weight: 700; border-bottom-color: #fff; }
.header-nav .nav-link:hover { color: #fff; }
.header-nav .nav-ask {
  color: #fff; text-decoration: none; font-weight: 700;
  background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.38);
  border-radius: 999px; padding: 5px 14px;
}
.header-nav .nav-ask:hover { background: rgba(255,255,255,.26); }

.lib-shell { max-width: 960px; margin: 0 auto; padding: 26px 18px 80px; }
.crumb { font-size: 12.5px; color: var(--muted); margin-bottom: 16px; }
.crumb a { color: var(--muted); text-decoration: none; }
.crumb a:hover { color: var(--green-deep); }
.crumb i { font-style: normal; margin: 0 6px; opacity: .55; }
.crumb span { color: var(--green-deep); font-weight: 600; }

.lib-h1 { font-size: clamp(24px, 3.6vw, 32px); margin: 0 0 8px; font-weight: 800; letter-spacing: -.01em; }
.lib-h1.mono { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; letter-spacing: 0; }
.lib-sub { color: var(--muted); font-size: 14.5px; margin: 0 0 8px; max-width: 760px; }
.lib-sub b { color: var(--green-deep); }
.lib-sec { margin-top: 32px; }
.sec-title {
  font-size: 15.5px; margin: 0 0 13px; padding-left: 10px;
  border-left: 4px solid var(--green); font-weight: 800;
}
.lib-note { color: var(--muted); font-size: 13px; margin-top: 10px; }
.lib-note a { color: var(--green-deep); }
.lib-meta { grid-column: 1 / -1; font-size: 12.5px; color: var(--muted); margin-top: 3px; }
a.chip { text-decoration: none; display: inline-block; line-height: 1.45; }
.lib-page .std-list li { grid-template-columns: 1fr; }
.lib-page .std-list { margin-top: 4px; }
.lib-page .std-list li { padding: 11px 0; }
.lib-page .std-main { gap: 8px; }

/* ---- 顶部数据条 ---- */
.stat-strip {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px; margin: 16px 0 4px;
}
.stat-strip > div {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 12px 14px; box-shadow: var(--shadow);
}
.stat-strip b {
  display: block; font-size: 21px; color: var(--green-deep); line-height: 1.25;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
.stat-strip span { font-size: 12px; color: var(--muted); }

/* ---- 层级 / 领域 / 部门 / 代号 卡片 ---- */
.lvl-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.lvl-card {
  display: block; text-decoration: none; background: var(--card);
  border: 1px solid var(--line); border-left: 5px solid var(--green);
  border-radius: 12px; padding: 14px 16px; box-shadow: var(--shadow);
}
.lvl-card b { display: block; font-size: 17px; color: var(--ink); margin-bottom: 3px; }
.lvl-card span { display: block; font-size: 12.5px; color: var(--muted); font-family: ui-monospace, Menlo, Consolas, monospace; }
.lvl-card em { display: block; margin-top: 7px; font-style: normal; font-size: 13px; color: var(--green-deep); font-weight: 700; }
.lvl-card:hover { border-color: var(--green); }

.field-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(212px, 1fr)); gap: 10px; }
.field-card {
  display: block; text-decoration: none; background: var(--card);
  border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px;
}
.field-card b { display: block; font-size: 15px; color: var(--ink); }
.field-card span { display: block; font-size: 12px; color: var(--muted); margin: 4px 0 6px; line-height: 1.5; }
.field-card em { font-style: normal; font-size: 12.5px; color: var(--green-deep); font-weight: 700; }
.field-card.hot { border-color: rgba(45,74,59,.3); background: linear-gradient(180deg, #fff, var(--green-soft)); }
.field-card:hover { border-color: var(--green); transform: translateY(-1px); }

.dept-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(228px, 1fr)); gap: 10px; }
.dept-card {
  display: block; text-decoration: none; background: var(--card);
  border: 1px solid var(--line); border-radius: 12px; padding: 11px 13px;
}
.dept-card b { display: block; font-size: 14px; color: var(--ink); line-height: 1.45; }
.dept-card span { display: block; font-size: 12px; color: var(--muted); margin-top: 4px; }
.dept-card:hover { border-color: var(--green); }

.code-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 10px; }
.code-card {
  display: block; text-decoration: none; background: var(--card);
  border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px;
}
.code-card b { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 15px; color: var(--green-deep); }
.code-card span { display: block; font-size: 12px; color: var(--muted); margin: 3px 0 5px; }
.code-card em { font-style: normal; font-size: 12px; color: var(--ink); font-weight: 700; }
.code-card:hover { border-color: var(--green); }
.flat-list { display: flex; flex-wrap: wrap; gap: 7px; }
.dept-flat {
  font-size: 12.5px; color: var(--ink); background: var(--card);
  border: 1px solid var(--line); border-radius: 999px; padding: 3px 11px;
}
.dept-flat em { font-style: normal; color: var(--muted); margin-left: 5px; }

/* ---- 说明盒子 ---- */
.note-boxes { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 10px; }
.note-box {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px;
}
.note-box b { display: block; font-size: 14px; color: var(--green-deep); margin-bottom: 4px; }
.note-box p { margin: 0; font-size: 13px; color: var(--ink); line-height: 1.65; }

/* ---- 官方来源（详情页最重要的那块）---- */
.official-box {
  margin-top: 22px; padding: 16px 18px; border-radius: 14px;
  background: linear-gradient(180deg, #fff, var(--green-soft));
  border: 1px solid rgba(45,74,59,.28);
}
.official-box .sec-title { margin-bottom: 10px; }
.big-link {
  display: inline-block; background: var(--green); color: #fff; text-decoration: none;
  font-weight: 800; font-size: 15px; padding: 10px 18px; border-radius: 10px;
  box-shadow: var(--shadow);
}
.big-link:hover { background: var(--green-deep); }
.link-2nd {
  display: inline-block; margin: 8px 10px 0 0; font-size: 13px; color: var(--green-deep);
  text-decoration: none; border-bottom: 1px dashed rgba(45,74,59,.45);
}
.link-2nd:hover { border-bottom-style: solid; }
.dept-site { margin: 6px 0 0; }

/* ---- 列表行里的官方跳转 ---- */
.std-go {
  margin-left: 6px; font-size: 12px; text-decoration: none; color: var(--green-deep);
  border: 1px solid rgba(45,74,59,.3); border-radius: 999px; padding: 1px 8px;
  white-space: nowrap;
}
.std-go:hover { background: var(--green); color: #fff; border-color: var(--green); }
.who { font-size: 11.5px; color: var(--muted); }
.pill.lv { background: #fff; color: var(--green-deep); border-color: rgba(45,74,59,.25); }
.pill.reco { background: #f3f5f4; color: #55645b; border-color: #e2e6e3; }
.pill.soft { background: #eef3fb; color: #3b5a86; border-color: #d5e0f0; }
.intro-text.muted { color: var(--muted); }

.meta-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 10px 14px; margin: 0;
}
.meta-grid div { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 10px 13px; }
.meta-grid dt { font-size: 12px; color: var(--muted); margin: 0 0 3px; }
.meta-grid dd { margin: 0; font-size: 14px; word-break: break-all; }
.ver-line { font-size: 14px; margin: 0 0 9px; line-height: 2; }
.ver-line a { color: var(--green-deep); font-weight: 600; text-decoration: none; }
.ver-line a:hover { text-decoration: underline; }
.intro-text {
  font-size: 14.5px; background: var(--card); border: 1px solid var(--line);
  border-radius: 12px; padding: 14px 16px; margin: 0;
}

.lib-footer { border-top: 1px solid var(--line); margin-top: 46px; }

/* ---- 答案前置块（SEO/GEO：AI 引擎和老板都先看这段） ---- */
.answer-box {
  margin: 18px 0 6px; padding: 18px 20px 16px;
  background: linear-gradient(180deg, #f7faf8 0%, #f1f6f3 100%);
  border: 1px solid rgba(45,74,59,.18); border-left: 5px solid var(--green);
  border-radius: 14px;
}
.answer-lead {
  display: inline-block; margin: 0 0 10px; padding: 2px 10px;
  background: var(--green); color: #fff; border-radius: 999px;
  font-size: 12px; font-weight: 700; letter-spacing: .04em;
}
.answer-q { font-size: 17px; margin: 0 0 8px; font-weight: 800; color: var(--green-deep); }
.answer-a { font-size: 15px; line-height: 1.85; margin: 0; }
.fact-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 8px 12px; margin: 14px 0 0;
}
.fact { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px; }
.fact dt { font-size: 11.5px; color: var(--muted); margin: 0 0 2px; }
.fact dd { margin: 0; font-size: 13.5px; font-weight: 600; word-break: break-word; }

/* ---- 常见追问 ---- */
.faq-item {
  border: 1px solid var(--line); border-radius: 12px; background: var(--card);
  padding: 12px 15px; margin-bottom: 9px;
}
.faq-item summary { cursor: pointer; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary h3 {
  display: inline; font-size: 14.5px; font-weight: 700; margin: 0; color: var(--green-deep);
}
.faq-item summary h3::after { content: " ＋"; color: var(--muted); font-weight: 400; }
.faq-item[open] summary h3::after { content: " －"; }
.faq-item p { margin: 9px 0 0; font-size: 14px; line-height: 1.8; }

.citation-line {
  margin: 26px 0 0; padding: 12px 14px; font-size: 12.5px; color: var(--muted);
  background: #f7f8f7; border: 1px dashed var(--line); border-radius: 10px;
}
.icp { font-size: 12.5px; }

/* ---- 数据表（数据来源、收录规模） ---- */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0 0 6px; }
.std-table {
  width: 100%; border-collapse: collapse; background: var(--card);
  border: 1px solid var(--line); border-radius: 12px; overflow: hidden;
  font-size: 13.5px;
}
.std-table th, .std-table td {
  padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--line);
  vertical-align: top; line-height: 1.6;
}
.std-table th { background: #f3f6f4; font-weight: 700; color: var(--green-deep); white-space: nowrap; }
.std-table tr:last-child td { border-bottom: 0; }
.std-table td:nth-child(2), .std-table td:nth-child(3) { white-space: nowrap; }
.std-table a { color: var(--green-deep); text-decoration: none; }
.std-table a:hover { text-decoration: underline; }
.plain-list { margin: 0; padding-left: 20px; font-size: 14px; line-height: 1.9; }
.plain-list li { margin-bottom: 4px; }

.lib-footer-inner { max-width: 960px; margin: 0 auto; padding: 18px 18px 34px; font-size: 12.5px; color: var(--muted); }
.lib-footer-inner p { margin: 4px 0; }
.lib-footer a { color: var(--green-deep); }

@media (max-width: 640px) {
  .lib-shell { padding: 18px 14px 56px; }
  .header-nav { gap: 9px; font-size: 12.5px; }
  .header-nav .nav-ask { padding: 4px 10px; }
  .stat-strip b { font-size: 18px; }
  .big-link { width: 100%; text-align: center; }
}