/* ==========================================================================
   guide.css — 方法指南页（考情 / 方法 / 评分 / 话题地图 / 关键词 / 来源）
   所有类名以 .gd- 开头；只复用 base.css 的设计变量与组件，不改动全局样式。
   ========================================================================== */

.gd-page { padding-bottom: 24px; }

/* ================================================================ 页头 == */
.gd-hero { padding: 46px 0 34px; }
.gd-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.32fr) minmax(300px, 0.68fr);
  gap: 40px;
  align-items: start;
}
.gd-title {
  margin: 16px 0 0;
  font-size: clamp(42px, 5.4vw, 68px);
  line-height: 1.04;
  letter-spacing: -0.04em;
}
.gd-title-en {
  display: block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--faint);
}
.gd-lead {
  margin-top: 20px;
  max-width: 660px;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--ink-2);
}
.gd-hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.gd-aside {
  position: relative;
  margin-top: 6px;
  padding: 20px 22px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(255, 252, 246, 0.66);
  box-shadow: var(--shadow-1);
}
.gd-aside::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 0;
  width: 46px;
  height: 2px;
  background: var(--copper);
  border-radius: 2px;
}
.gd-boundary-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--copper);
  text-transform: uppercase;
}
.gd-boundary-text {
  margin-top: 9px;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--muted);
}
.gd-aside-tip {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--line-strong);
  font-size: 11.5px;
  line-height: 1.7;
  color: var(--faint);
}
.gd-aside-tip svg { flex: 0 0 auto; width: 13px; height: 13px; margin-top: 3px; color: var(--gold); }

.gd-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 38px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.gd-stat { padding: 18px 24px; border-left: 1px solid var(--line); }
.gd-stat:first-child { border-left: 0; padding-left: 0; }
.gd-stat b {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--navy);
}
.gd-stat b em { font-style: normal; margin-left: 3px; font-size: 12px; color: var(--muted); }
.gd-stat span { display: block; margin-top: 5px; font-size: 12px; color: var(--muted); letter-spacing: 0.02em; }

/* ============================================================ 粘性 tab == */
.gd-tabbar {
  position: sticky;
  top: var(--nav-h);
  z-index: 45;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(247, 243, 235, 0.9);
  -webkit-backdrop-filter: blur(16px) saturate(1.15);
  backdrop-filter: blur(16px) saturate(1.15);
}
.gd-tabbar-inner { display: flex; align-items: center; min-height: 60px; }
.gd-tabs {
  display: flex;
  flex: 1 1 auto;
  gap: 2px;
  width: 100%;
  min-width: 0;
  padding: 8px 0;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.gd-tabs::-webkit-scrollbar { display: none; }
.gd-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 15px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: color 0.18s var(--ease), background 0.18s var(--ease), border-color 0.18s var(--ease);
  -webkit-tap-highlight-color: transparent;
}
.gd-tab:hover { color: var(--ink); background: rgba(27, 58, 82, 0.05); }
.gd-tab.is-active { color: #f4efe5; background: var(--navy); border-color: var(--navy); box-shadow: var(--shadow-1); }
.gd-tab-n { font-family: var(--font-mono); font-size: 10px; font-weight: 500; letter-spacing: 0.06em; opacity: 0.55; }
.gd-tab.is-active .gd-tab-n { opacity: 0.78; }

/* ============================================================ 面板 / 排版 == */
.gd-panel { padding: 34px 0 26px; }
.gd-tab-panel { animation: gdRise 0.32s var(--ease) both; }
@keyframes gdRise {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

.gd-lead-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 270px;
  gap: 44px;
  align-items: start;
}
.gd-lead-grid.is-single { grid-template-columns: minmax(0, 1fr); }
.gd-lead-copy { min-width: 0; }
.gd-lead-line {
  max-width: 800px;
  font-size: 17px;
  line-height: 1.88;
  color: var(--ink-2);
}

.gd-prose { max-width: 900px; font-size: 15.5px; line-height: 1.95; color: var(--ink-2); }
.gd-prose p + p { margin-top: 15px; }
.gd-prose + .gd-regions { margin-top: 26px; }

/* 首屏速览（目录旁） */
.gd-glance {
  margin-top: 24px;
  padding: 16px 18px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(255, 252, 246, 0.56);
}
.gd-glance-title {
  margin-bottom: 11px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  color: var(--faint);
  text-transform: uppercase;
}
.gd-glance-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 22px; }
.gd-glance-item { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.gd-glance-item span { font-size: 11px; color: var(--faint); }
.gd-glance-item b { font-size: 12.5px; font-weight: 600; line-height: 1.62; color: var(--ink-2); }

/* 方法首屏的训练顺序 */
.gd-train-steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin-top: 22px; }
.gd-train-step {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: rgba(255, 252, 246, 0.6);
}
.gd-train-step .mono { font-size: 9.5px; letter-spacing: 0.12em; color: var(--copper); }
.gd-train-step b { font-size: 14px; line-height: 1.4; }
.gd-train-desc { font-size: 11px; line-height: 1.55; color: var(--muted); }

/* 页内目录 */
.gd-toc {
  position: sticky;
  top: calc(var(--nav-h) + 78px);
  padding: 16px 14px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(255, 252, 246, 0.6);
}
.gd-toc-title {
  margin: 0 0 10px 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--faint);
}
.gd-toc-list { display: grid; gap: 1px; }
.gd-toc-item {
  display: flex;
  gap: 10px;
  align-items: baseline;
  width: 100%;
  padding: 6px 8px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--ink-2);
  font-size: 13px;
  line-height: 1.5;
  text-align: left;
  cursor: pointer;
  transition: background 0.16s var(--ease), color 0.16s var(--ease);
}
.gd-toc-item:hover { background: var(--surface-3); color: var(--ink); }
.gd-toc-num { flex: 0 0 auto; font-size: 10px; color: var(--copper); padding-top: 2px; }

/* 章节标题 */
.gd-sec { margin-top: 54px; scroll-margin-top: calc(var(--nav-h) + 86px); }
.gd-sec-head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding-bottom: 14px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--line);
}
.gd-sec-num {
  flex: 0 0 auto;
  min-width: 46px;
  font-family: var(--font-serif);
  font-size: 31px;
  font-style: italic;
  line-height: 1;
  color: var(--copper);
}
.gd-sec-titles { flex: 1 1 auto; min-width: 0; }
.gd-sec-title { font-size: clamp(21px, 2.5vw, 27px); }
.gd-sec-desc { margin-top: 8px; font-size: 13px; line-height: 1.7; color: var(--muted); }
.gd-sec-lead { margin-bottom: 16px; max-width: 880px; font-size: 14px; line-height: 1.85; color: var(--ink-2); }

/* ================================================================ 表格 == */
.gd-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
  box-shadow: var(--shadow-1);
}
.gd-table-wrap table.data { min-width: 100%; }
.gd-table-wrap.is-mid table.data { min-width: 560px; }
.gd-table-wrap.is-wide table.data { min-width: 760px; }
.gd-table-wrap table.data td.gd-td-first {
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}
.gd-table-wrap table.data td { line-height: 1.72; }
.gd-table-note {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-top: 12px;
  padding: 13px 16px;
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: var(--surface-2);
}
.gd-table-note svg { flex: 0 0 auto; width: 14px; height: 14px; margin-top: 4px; color: var(--gold); }
.gd-table-note p { font-size: 13px; line-height: 1.78; color: var(--ink-2); }

.gd-callout { margin-top: 0; }
.gd-callout p { font-size: 13.5px; line-height: 1.82; color: var(--ink-2); }

/* ============================================================ 考情 tab == */
.gd-regions { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.gd-region {
  position: relative;
  padding: 22px 22px 20px;
  overflow: hidden;
}
.gd-region::after {
  content: "";
  position: absolute;
  right: -36px;
  top: -36px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(27, 58, 82, 0.07), transparent 68%);
  pointer-events: none;
}
.gd-region-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 16px; }
.gd-region-num { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.14em; color: var(--copper); }
.gd-region-name { font-size: 25px; line-height: 1.1; }
.gd-region-sub { margin-left: auto; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em; color: var(--faint); }
.gd-dl { display: grid; gap: 9px; margin: 0; }
.gd-dl > div { display: grid; grid-template-columns: 52px minmax(0, 1fr); gap: 10px; align-items: start; }
.gd-dl dt { padding-top: 2px; font-size: 11.5px; letter-spacing: 0.04em; color: var(--faint); }
.gd-dl dd { margin: 0; font-size: 13px; line-height: 1.68; color: var(--ink-2); }

.gd-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.gd-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 252, 246, 0.72);
  color: var(--ink-2);
  font-size: 13px;
  line-height: 1.45;
}
.gd-chip-num { font-family: var(--font-mono); font-size: 10px; color: var(--faint); }

.gd-numlist { counter-reset: gd-num; display: grid; gap: 9px; }
.gd-numlist li {
  counter-increment: gd-num;
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 12px;
  padding: 13px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--surface);
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--ink-2);
}
.gd-numlist li::before {
  content: counter(gd-num, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--copper);
  padding-top: 3px;
}

.gd-topic-groups { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.gd-topic-group { padding: 18px 20px 20px; }
.gd-topic-head { display: flex; align-items: baseline; gap: 10px; padding-bottom: 12px; border-bottom: 1px dashed var(--line-strong); }
.gd-topic-idx { font-size: 10.5px; letter-spacing: 0.12em; color: var(--copper); }
.gd-topic-theme { font-size: 18px; }
.gd-topic-count { margin-left: auto; font-family: var(--font-mono); font-size: 10.5px; color: var(--faint); }
.gd-topic-items { display: grid; gap: 9px; margin-top: 13px; }
.gd-topic-items li { display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 8px; font-size: 13.5px; line-height: 1.72; color: var(--ink-2); }
.gd-topic-num { font-size: 10.5px; color: var(--faint); padding-top: 3px; }

.gd-issues { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.gd-issue-panel { padding: 20px 22px; border: 1px solid var(--line); border-radius: var(--r-md); background: var(--surface); }
.gd-issue-panel h3 { display: flex; align-items: center; gap: 10px; font-size: 17px; }
.gd-issue-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--copper); flex: 0 0 auto; }
.gd-issue-list { display: grid; gap: 10px; margin-top: 15px; }
.gd-issue-list li { display: grid; grid-template-columns: 16px minmax(0, 1fr); gap: 9px; font-size: 13.5px; line-height: 1.78; color: var(--ink-2); }
.gd-issue-list li::before {
  content: "";
  width: 5px;
  height: 5px;
  margin-top: 9px;
  border-radius: 50%;
  background: var(--line-strong);
}

/* ============================================================ 方法 tab == */
.gd-flow { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.gd-flow-step {
  position: relative;
  padding: 20px 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
}
.gd-flow-step::before {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  top: -1px;
  height: 2px;
  border-radius: 2px;
  background: var(--line-strong);
  opacity: 0.6;
}
.gd-flow-step:first-child::before { background: var(--copper); opacity: 1; }
.gd-flow-time {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  background: var(--copper-soft);
  color: #96442c;
  font-size: 10.5px;
  letter-spacing: 0.06em;
  white-space: nowrap;
}
.gd-flow-task { margin: 13px 0 7px; font-size: 16.5px; line-height: 1.45; }
.gd-flow-desc { font-size: 12.5px; line-height: 1.72; color: var(--muted); }

.gd-rounds { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.gd-round {
  position: relative;
  padding: 22px 22px 20px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface-2);
}
.gd-round::after {
  content: "";
  position: absolute;
  right: -28px;
  bottom: -28px;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(31, 111, 106, 0.1), transparent 70%);
}
.gd-round-num { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.16em; color: var(--copper); }
.gd-round-name { margin-top: 10px; font-size: 21px; color: var(--navy); }
.gd-round p { margin-top: 10px; font-size: 13.5px; line-height: 1.8; color: var(--ink-2); }

.gd-pitfalls { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.gd-pitfall {
  position: relative;
  padding: 17px 20px 17px 46px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--copper);
  border-radius: var(--r-sm);
  background: var(--surface);
}
.gd-pitfall::before {
  content: "×";
  position: absolute;
  left: 17px;
  top: 14px;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--copper);
}
.gd-pitfall h3 { font-size: 16px; }
.gd-pitfall p { margin-top: 6px; font-size: 13px; line-height: 1.72; color: var(--muted); }

.gd-values { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.gd-value {
  position: relative;
  padding: 20px 20px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
}
.gd-value-num { font-size: 10.5px; letter-spacing: 0.14em; color: var(--teal); }
.gd-value h3 { margin-top: 9px; font-size: 17px; color: var(--teal); }
.gd-value p { margin-top: 8px; font-size: 13px; line-height: 1.75; color: var(--muted); }

.gd-tips3 { --gd-dot: var(--line-strong); display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.gd-tipcol {
  padding: 20px 22px 22px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--gd-dot, var(--line-strong));
  border-radius: var(--r-md);
  background: var(--surface);
}
.gd-tipcol.is-reading { --gd-dot: var(--gold); }
.gd-tipcol.is-speech { --gd-dot: var(--teal); }
.gd-tipcol.is-commentary { --gd-dot: var(--copper); }
.gd-tipcol h3 { display: flex; align-items: center; gap: 9px; font-size: 17px; }
.gd-tipcol h3 svg { width: 17px; height: 17px; color: var(--gd-dot); }
.gd-tipcol ul { display: grid; gap: 10px; margin-top: 15px; }
.gd-tipcol li {
  position: relative;
  padding-left: 15px;
  font-size: 13px;
  line-height: 1.78;
  color: var(--ink-2);
}
.gd-tipcol li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gd-dot);
  opacity: 0.65;
}

.gd-checklist { display: grid; gap: 10px; }
.gd-check {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 14px 17px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--surface);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ink-2);
}
.gd-check svg { width: 17px; height: 17px; margin-top: 2px; color: var(--teal); }

/* ============================================================ 评分 tab == */
.gd-score-total {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 26px;
  padding: 20px 24px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(120deg, var(--surface), var(--surface-2));
}
.gd-score-total b { display: block; margin-top: 5px; font-size: 22px; color: var(--navy); }
.gd-score-total-note { display: block; margin-top: 4px; font-size: 12.5px; color: var(--muted); }
.gd-score-total-num { font-size: 34px; line-height: 1; color: var(--copper); white-space: nowrap; }
.gd-score-total-num em { font-style: normal; margin-left: 3px; font-size: 12px; color: var(--muted); }

.gd-rules { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.gd-rule {
  position: relative;
  padding: 26px 24px 24px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(160deg, var(--surface), var(--surface-2));
}
.gd-rule::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--copper), var(--gold));
}
.gd-rule-num { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em; color: var(--copper); }
.gd-rule h3 { margin-top: 12px; font-size: 20px; }
.gd-rule p { margin-top: 10px; font-size: 13.5px; line-height: 1.8; color: var(--ink-2); }

.gd-scorecards { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
.gd-scorecard {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 17px 15px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
}
.gd-scorecard-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.gd-scorecard-num { font-size: 9.5px; letter-spacing: 0.12em; color: var(--faint); }
.gd-score-max { font-size: 11px; color: var(--copper); white-space: nowrap; }
.gd-scorecard-name { font-size: 17px; line-height: 1.35; }
.gd-scorecard-desc { flex: 1 1 auto; font-size: 12.5px; line-height: 1.7; color: var(--muted); }
.gd-scorecard-ask {
  padding: 8px 10px;
  border-radius: var(--r-xs);
  background: var(--surface-2);
  font-size: 12px;
  line-height: 1.7;
  color: var(--ink-2);
}
.gd-scorecard-ask span {
  display: block;
  margin-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  color: var(--copper);
}
.gd-score-meter { margin-top: 2px; height: 4px; }
.gd-score-meter > i { background: var(--gold); }

.gd-cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 22px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--navy-soft);
}
.gd-cta-copy { flex: 1 1 260px; min-width: 0; }
.gd-cta-copy p { margin-top: 4px; font-size: 16px; line-height: 1.6; color: var(--navy); }

.gd-rubric { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.gd-rubric-item {
  position: relative;
  padding: 18px 20px 18px 54px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--surface);
}
.gd-rubric-num {
  position: absolute;
  left: 18px;
  top: 16px;
  font-family: var(--font-serif);
  font-size: 21px;
  font-style: italic;
  color: var(--copper);
}
.gd-rubric-item h3 { font-size: 16px; }
.gd-rubric-item p { margin-top: 7px; font-size: 12.5px; line-height: 1.72; color: var(--muted); }

/* ======================================================== 话题地图 tab == */
.gd-map-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  align-items: baseline;
  margin-top: 20px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--muted);
}
.gd-map-facts b { margin-right: 4px; font-family: var(--font-mono); font-size: 17px; font-weight: 500; color: var(--navy); }

.gd-map-toolbar {
  display: grid;
  grid-template-columns: minmax(230px, 1fr) auto;
  gap: 14px 18px;
  align-items: center;
  margin: 26px 0 8px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
  box-shadow: var(--shadow-1);
}
.gd-map-toolbar .search-field { min-width: 0; }
.gd-map-regions { display: flex; flex-wrap: wrap; gap: 6px; }
.gd-map-status {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-size: 12px;
  color: var(--muted);
}
.gd-linkbtn {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--teal);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.gd-linkbtn:hover { color: var(--navy); }

.gd-map-section { margin-top: 40px; }
.gd-map-sec-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--line-strong);
}
.gd-map-sec-head h2 { margin-top: 9px; font-size: clamp(22px, 2.7vw, 30px); }
.gd-map-sec-head p { margin-top: 9px; max-width: 640px; font-size: 13px; line-height: 1.72; color: var(--muted); }
.gd-map-sec-count { flex: 0 0 auto; font-family: var(--font-mono); font-size: 11.5px; color: var(--faint); white-space: nowrap; }
.gd-chapters { display: grid; gap: 14px; }
.gd-map-empty { margin-top: 8px; }

.gd-chapter {
  position: relative;
  padding: 22px 24px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
  box-shadow: var(--shadow-1);
  scroll-margin-top: calc(var(--nav-h) + 92px);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.gd-chapter::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  border-radius: var(--r-md) 0 0 var(--r-md);
  background: var(--line-strong);
}
.gd-chapter--beijing::before { background: var(--navy); }
.gd-chapter--hebei::before { background: var(--copper); }
.gd-chapter:hover { border-color: var(--line-strong); }
.gd-chapter.is-open { box-shadow: var(--shadow-2); }
.gd-chapter.is-target {
  border-color: var(--copper);
  box-shadow: 0 0 0 3px rgba(189, 87, 59, 0.13), var(--shadow-2);
}
.gd-ch-head { display: flex; align-items: flex-start; flex-wrap: wrap; gap: 14px 16px; }
.gd-ch-num {
  flex: 0 0 auto;
  min-width: 48px;
  font-family: var(--font-serif);
  font-size: 35px;
  font-style: italic;
  line-height: 0.95;
  color: var(--copper);
}
.gd-chapter--beijing .gd-ch-num { color: var(--navy); }
.gd-ch-titles { flex: 1 1 250px; min-width: 0; }
.gd-ch-titles h3 { font-size: clamp(19px, 2.2vw, 24px); }
.gd-ch-en {
  margin-top: 5px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--faint);
  word-break: break-word;
}
.gd-ch-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  margin-left: auto;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--ink-2);
  font-size: 12px;
  line-height: 1.3;
  cursor: pointer;
  transition: 0.16s var(--ease);
}
.gd-ch-toggle:hover { border-color: var(--line-strong); background: var(--surface); }
.gd-ch-toggle-text { font-family: var(--font-mono); font-size: 10.5px; color: var(--muted); }
.gd-ch-toggle-text b { color: var(--ink); font-weight: 600; }
.gd-ch-toggle-label { font-size: 12px; font-weight: 600; }
.gd-ch-toggle svg { width: 14px; height: 14px; transition: transform 0.2s var(--ease); }
.gd-chapter.is-open .gd-ch-toggle svg { transform: rotate(180deg); }
.gd-core {
  margin: 16px 0 0;
  padding: 8px 0 8px 18px;
  border-left: 2px solid var(--copper);
  font-family: var(--font-serif);
  font-size: clamp(16px, 1.8vw, 19px);
  line-height: 1.72;
  color: var(--ink);
}
.gd-chapter--beijing .gd-core { border-left-color: var(--navy); }
.gd-thesis {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-top: 12px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}
.gd-label {
  flex: 0 0 auto;
  margin-top: 2px;
  padding: 2px 8px;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  color: var(--faint);
  white-space: nowrap;
}
.gd-ch-meta { display: flex; flex-wrap: wrap; gap: 7px; align-items: center; margin-top: 14px; }
.gd-ch-coord-label { margin-right: 2px; font-size: 9.5px; }
.gd-mini-tag {
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(27, 58, 82, 0.055);
  color: var(--muted);
  font-size: 11.5px;
  line-height: 1.6;
}
.gd-openq {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-top: 14px;
  padding: 12px 16px;
  border-radius: var(--r-sm);
  background: var(--gold-soft);
}
.gd-openq .gd-label { border-color: rgba(169, 133, 63, 0.32); color: #7d6127; }
.gd-openq p { font-size: 13.5px; line-height: 1.72; color: var(--ink-2); }

.gd-ch-body {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px dashed var(--line-strong);
}
.gd-ch-body-inner { display: grid; gap: 26px; }
.gd-subhead {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.gd-subhead::after { content: ""; flex: 1; height: 1px; background: var(--line); }

.gd-branches { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.gd-branch { padding: 16px 18px; border: 1px solid var(--line); border-radius: var(--r-sm); background: var(--surface-2); }
.gd-branch h5 { font-size: 15.5px; line-height: 1.5; }
.gd-branch-dl { display: grid; gap: 7px; margin: 12px 0 0; }
.gd-branch-dl > div { display: grid; grid-template-columns: 38px minmax(0, 1fr); gap: 10px; align-items: start; }
.gd-branch-dl dt { padding-top: 2px; font-size: 10.5px; color: var(--faint); letter-spacing: 0.04em; }
.gd-branch-dl dd { margin: 0; font-size: 12.5px; line-height: 1.72; color: var(--ink-2); }

.gd-cases { overflow: hidden; border: 1px solid var(--line); border-radius: var(--r-sm); background: var(--surface); }
.gd-case-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding: 11px 14px;
  border-top: 1px solid var(--line);
}
.gd-case-row:first-child { border-top: 0; }
.gd-case-title {
  flex: 1 1 220px;
  min-width: 0;
  overflow: hidden;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--ink-2);
  text-overflow: ellipsis;
  white-space: nowrap;
}
a.gd-case-title:hover { color: var(--teal); text-decoration: underline; text-underline-offset: 3px; }
.gd-case-meta { flex: 0 0 auto; font-size: 10.5px; color: var(--faint); white-space: nowrap; }
.gd-case-actions { display: flex; flex: 0 0 auto; gap: 6px; margin-left: auto; }
.gd-case-row.is-missing { font-size: 12.5px; color: var(--muted); }
.gd-case-row.is-missing .mono { color: var(--faint); }

.gd-demo { padding: 18px 20px; border: 1px solid var(--line); border-radius: var(--r-sm); background: var(--surface); }
.gd-demo-prompt { font-family: var(--font-serif); font-size: 14.5px; line-height: 1.75; color: var(--ink); }
.gd-demo-list { position: relative; margin-top: 18px; padding-left: 22px; }
.gd-demo-list::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 7px;
  bottom: 10px;
  width: 1px;
  background: var(--line-strong);
}
.gd-demo-seg { position: relative; display: grid; grid-template-columns: 52px minmax(0, 1fr); gap: 12px; padding-bottom: 15px; }
.gd-demo-seg:last-child { padding-bottom: 0; }
.gd-demo-seg::before {
  content: "";
  position: absolute;
  left: -19px;
  top: 6px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--copper);
  box-shadow: 0 0 0 3px var(--copper-soft);
}
.gd-demo-label { padding-top: 3px; font-size: 10.5px; letter-spacing: 0.08em; color: var(--copper); }
.gd-demo-text { font-size: 13px; line-height: 1.82; color: var(--ink-2); }

.gd-ch-foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 14px;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 11.5px;
  color: var(--faint);
}
.gd-ch-foot-tag { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.12em; }

.gd-fold-group { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; align-items: start; }
.gd-fold { border: 1px solid var(--line); border-radius: var(--r-md); background: var(--surface); overflow: hidden; }
.gd-fold summary { display: flex; align-items: center; gap: 12px; padding: 16px 18px; cursor: pointer; list-style: none; }
.gd-fold summary::-webkit-details-marker { display: none; }
.gd-fold summary:focus-visible { outline: 2px solid var(--teal); outline-offset: -2px; }
.gd-fold-title { flex: 0 0 auto; font-size: 16.5px; }
.gd-fold-hint { flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 11.5px; color: var(--faint); }
.gd-fold summary svg { flex: 0 0 auto; width: 15px; height: 15px; color: var(--muted); transition: transform 0.2s var(--ease); }
.gd-fold[open] summary svg { transform: rotate(180deg); }
.gd-fold-body { padding: 14px 18px 18px; border-top: 1px solid var(--line); overflow-x: auto; }

.gd-context-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.gd-context-card { padding: 18px 20px; border: 1px solid var(--line); border-radius: var(--r-sm); background: var(--surface-2); }
.gd-context-card h3 { font-size: 16px; color: var(--navy); }
.gd-context-card p { margin-top: 8px; font-size: 12.5px; line-height: 1.75; color: var(--muted); }

.gd-cities { display: grid; grid-template-columns: repeat(auto-fill, minmax(196px, 1fr)); gap: 10px; }
.gd-city { padding: 12px 15px; border: 1px solid var(--line); border-radius: var(--r-sm); background: rgba(255, 252, 246, 0.72); }
.gd-city-name { display: block; font-family: var(--font-serif); font-size: 16px; font-weight: 600; color: var(--ink); }
.gd-city-lens { display: block; margin-top: 4px; font-size: 12px; line-height: 1.62; color: var(--muted); }

/* ============================================================ 关键词 tab == */
.gd-terms { display: grid; grid-template-columns: repeat(auto-fill, minmax(252px, 1fr)); gap: 12px; }
.gd-term {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 18px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--surface);
}
.gd-term::before {
  content: "";
  position: absolute;
  right: 16px;
  top: 16px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--line-strong);
}
.gd-terms--beijing .gd-term::before { background: var(--navy); opacity: 0.45; }
.gd-terms--hebei .gd-term::before { background: var(--copper); opacity: 0.5; }
.gd-term-num { font-size: 10px; letter-spacing: 0.14em; color: var(--faint); }
.gd-term-name { font-size: 18px; line-height: 1.4; }
.gd-term-desc { font-size: 12.5px; line-height: 1.75; color: var(--muted); }

.gd-hot {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) auto;
  gap: 22px 34px;
  align-items: center;
  padding: 28px 30px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 170% at 100% 0%, rgba(27, 58, 82, 0.1), transparent 58%),
    var(--surface);
  box-shadow: var(--shadow-1);
}
.gd-hot h2 { margin-top: 8px; font-size: clamp(22px, 2.6vw, 29px); }
.gd-hot-copy p { margin-top: 10px; max-width: 560px; font-size: 13.5px; line-height: 1.8; color: var(--muted); }
.gd-hot-stats { display: flex; gap: 26px; }
.gd-hot-stat b { display: block; font-family: var(--font-mono); font-size: 27px; font-weight: 500; line-height: 1.1; color: var(--navy); }
.gd-hot-stat span { font-size: 11.5px; color: var(--muted); }
.gd-hot-actions { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 10px; padding-top: 4px; }

/* ============================================================== 来源 tab == */
.gd-sources { display: grid; gap: 10px; }
.gd-source {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 15px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--surface);
}
.gd-source-num { flex: 0 0 auto; min-width: 20px; padding-top: 3px; font-size: 10.5px; color: var(--faint); }
.gd-source-main { flex: 1 1 auto; min-width: 0; }
.gd-source-link { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; line-height: 1.5; color: var(--ink-2); }
.gd-source-link:hover { color: var(--teal); text-decoration: none; }
.gd-source-link svg { flex: 0 0 auto; width: 13px; height: 13px; color: var(--faint); }
.gd-source-host { display: block; margin-top: 4px; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.05em; color: var(--faint); }

.gd-cred-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.gd-cred {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
}
.gd-cred-letter { font-family: var(--font-serif); font-size: 40px; font-style: italic; line-height: 0.9; color: var(--copper); }
.gd-cred--a .gd-cred-letter { color: var(--teal); }
.gd-cred--b .gd-cred-letter { color: var(--navy); }
.gd-cred--gap .gd-cred-letter { color: var(--faint); }
.gd-cred-name { font-size: 16.5px; }
.gd-cred-desc { margin-top: 8px; font-size: 13px; line-height: 1.75; color: var(--muted); }
.gd-cred-tag { display: inline-block; margin-top: 10px; font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.14em; color: var(--faint); text-transform: uppercase; }

/* ============================================================== 翻页 == */
.gd-pager {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  margin-top: 58px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.gd-pager-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 17px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink-2);
  cursor: pointer;
  transition: 0.16s var(--ease);
}
.gd-pager-btn:hover { border-color: var(--navy); color: var(--navy); transform: translateY(-1px); box-shadow: var(--shadow-1); }
.gd-pager-btn svg { width: 15px; height: 15px; color: var(--muted); }
.gd-pager-kicker { display: block; font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.16em; color: var(--faint); }
.gd-pager-name { display: block; margin-top: 1px; font-size: 13px; font-weight: 600; }
.gd-pager-btn.is-next { margin-left: auto; text-align: right; }

/* ============================================================== 响应式 == */
@media (max-width: 1120px) {
  .gd-hero-grid { grid-template-columns: minmax(0, 1fr) 300px; gap: 30px; }
  .gd-scorecards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 960px) {
  .gd-hero-grid { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  .gd-aside { margin-top: 0; }
  .gd-lead-grid { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .gd-toc { position: static; }
  .gd-toc-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gd-regions,
  .gd-rules,
  .gd-rounds,
  .gd-tips3,
  .gd-values,
  .gd-context-grid,
  .gd-rubric,
  .gd-cred-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gd-regions { grid-template-columns: minmax(0, 1fr); }
  .gd-flow { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gd-train-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gd-branches { grid-template-columns: minmax(0, 1fr); }
  .gd-fold-group { grid-template-columns: minmax(0, 1fr); }
  .gd-hot { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 760px) {
  .gd-hero { padding: 30px 0 22px; }
  .gd-lead { font-size: 15px; line-height: 1.82; }
  .gd-hero-actions .btn { flex: 0 0 auto; }
  .gd-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 28px; }
  .gd-stat { padding: 14px 0; border-left: 0; }
  .gd-stat:nth-child(even) { padding-left: 18px; border-left: 1px solid var(--line); }
  .gd-stat:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .gd-stat b { font-size: 22px; }

  .gd-tabbar-inner { min-height: 54px; }
  .gd-tab { padding: 7px 12px; font-size: 13px; }
  .gd-panel { padding: 26px 0 20px; }

  .gd-lead-line { font-size: 15.5px; }
  /* 移动端把页内目录压成一行可横滑的编号 chip，避免首屏被长目录占满 */
  .gd-toc { padding: 11px 12px; }
  .gd-toc-title { margin: 0 0 8px 2px; }
  .gd-toc-list {
    display: flex;
    gap: 6px;
    margin: 0 -2px;
    padding-bottom: 2px;
    overflow-x: auto;
    scrollbar-width: none;
  }
  .gd-toc-list::-webkit-scrollbar { display: none; }
  .gd-toc-item {
    flex: 0 0 auto;
    width: auto;
    padding: 5px 10px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--surface);
    font-size: 12px;
    white-space: nowrap;
  }
  .gd-toc-item:hover { background: var(--surface-3); }
  .gd-glance-grid { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .gd-sec { margin-top: 42px; scroll-margin-top: calc(var(--nav-h) + 72px); }
  .gd-sec-num { min-width: 34px; font-size: 24px; }
  .gd-sec-title { font-size: 21px; }

  .gd-regions,
  .gd-topic-groups,
  .gd-issues,
  .gd-flow,
  .gd-rules,
  .gd-rounds,
  .gd-pitfalls,
  .gd-values,
  .gd-tips3,
  .gd-rubric,
  .gd-context-grid,
  .gd-cred-grid,
  .gd-fold-group { grid-template-columns: minmax(0, 1fr); }
  .gd-scorecards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gd-score-total { flex-direction: column; align-items: flex-start; gap: 12px; }
  .gd-score-total-num { font-size: 28px; }

  .gd-map-toolbar { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .gd-map-sec-head { flex-direction: column; align-items: flex-start; gap: 8px; }
  .gd-map-sec-count { align-self: flex-start; }
  .gd-chapter { padding: 20px 18px 14px; scroll-margin-top: calc(var(--nav-h) + 78px); }
  .gd-ch-num { min-width: 38px; font-size: 29px; }
  .gd-ch-toggle { margin-left: 0; padding: 6px 11px; }
  .gd-ch-toggle-text { display: none; }
  .gd-core { padding-left: 14px; }
  .gd-thesis { flex-direction: column; gap: 6px; }
  .gd-thesis .gd-label { align-self: flex-start; margin-top: 0; }
  .gd-openq { flex-direction: column; gap: 6px; }
  .gd-case-actions { margin-left: 0; }
  .gd-demo-seg { grid-template-columns: 44px minmax(0, 1fr); }
  .gd-demo-label { font-size: 10px; }

  .gd-hot { padding: 22px 20px; }
  .gd-hot-stats { gap: 20px; flex-wrap: wrap; }
  .gd-hot-stat b { font-size: 23px; }
  .gd-cred { grid-template-columns: 42px minmax(0, 1fr); gap: 12px; padding: 18px; }
  .gd-cred-letter { font-size: 32px; }
  .gd-source { padding: 13px 14px; gap: 10px; }
  .gd-source-link { font-size: 13.5px; }
  .gd-pager { margin-top: 44px; }
}

@media (max-width: 480px) {
  /* 360px 下隐藏 tab 序号并收紧间距，六个栏目可一屏放下 */
  .gd-tabs { gap: 0; }
  .gd-tab { padding: 7px 10px; font-size: 12.5px; }
  .gd-tab-n { display: none; }
}

@media (max-width: 460px) {
  .gd-scorecards { grid-template-columns: minmax(0, 1fr); }
  .gd-chip { font-size: 12.5px; }
  .gd-train-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gd-numlist li { grid-template-columns: 28px minmax(0, 1fr); padding: 12px 14px; }
  .gd-case-title { white-space: normal; }
  .gd-pager-btn { flex: 1 1 100%; justify-content: space-between; }
  .gd-pager-btn.is-next { margin-left: 0; }
}

/* 减少动态偏好：base.css 已兜底，自绘动画在此显式关闭 */
@media (prefers-reduced-motion: reduce) {
  .gd-tab-panel { animation: none; }
}