.page-story-map {
  /* 字段色板 */
  --fn-setup: #708c9e;
  --fn-advance: #4f836f;
  --fn-payoff: #c5912d;
  --fn-closure: #4e9a8f;
  --fn-rupture: #ad584f;
  --fn-hold: #8c887e;
  --mag-major: #3d5a74;
  --mag-minor: #7d93a4;
  --mag-transitional: #b3bcc2;
  --nec-essential: #3f7d5d;
  --nec-supporting: #708c9e;
  --nec-compressible: #c5912d;
  --nec-redundant: #ad584f;
  --tone-warm: #c98a4b;
  --tone-steady: #8a92a0;
  --tone-cold: #5f7fae;
  --tone-collapse: #8f3d3d;
  --theme-dream: #b08a3d;
  --theme-band: #4f836f;
  --theme-restart: #708c9e;
  --theme-control: #7a5b8f;
  --theme-labor: #a3705b;
  --theme-care: #c98a7a;
  --owner-band: #4f836f;
  --owner-arare: #c5912d;
  --owner-ritsu: #708c9e;
  --owner-miyako: #7a5b8f;
  --owner-viola: #ad584f;
  --owner-nonoka: #c98a7a;
  --owner-yuno: #5f7fae;
  /* 布局 */
  --label-w: 148px;
  --col-w: 118px;
  min-width: 320px;
}

.page-story-map main {
  overflow: clip;
}

.page-story-map .site-nav a {
  padding-inline: 17px;
}

/* ———— 引言区 ———— */

.map-intro,
.map-controls,
.narrative-map,
.map-reading-guide {
  width: var(--content);
  margin-inline: auto;
}

.map-intro {
  padding-top: calc(var(--header-height) + 48px);
  padding-bottom: 28px;
}

.map-intro-meta {
  display: flex;
  justify-content: space-between;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-strong);
  font-family: var(--font-latin);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.13em;
}

.map-intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(300px, 0.65fr);
  min-height: 320px;
  border-bottom: 1px solid var(--line-strong);
}

.map-intro-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 44px 7vw 44px 0;
  border-right: 1px solid var(--line-strong);
}

.map-intro-copy .eyebrow,
.map-section-heading .eyebrow,
.map-reading-guide .eyebrow {
  margin: 0 0 16px;
  color: var(--ink-soft);
  font-family: var(--font-latin);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.map-intro-copy h1 {
  max-width: 920px;
  margin: 0;
  font-family: "Noto Serif SC", serif;
  font-size: clamp(30px, 3.6vw, 52px);
  font-weight: 700;
  line-height: 1.16;
}

.map-intro-copy h1 span {
  display: block;
  font-size: 0.52em;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

.map-deck {
  max-width: 640px;
  margin: 22px 0 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink-soft);
}

.map-thesis {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  padding: 30px 0 30px 34px;
}

.map-thesis-label {
  margin: 0 0 18px;
  font-family: var(--font-latin);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--ink-soft);
}

.map-thesis-line {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
}

.map-thesis-line strong {
  font-family: var(--font-latin);
  font-size: 44px;
  font-weight: 400;
  line-height: 1;
}

.map-thesis-line span {
  font-size: 13px;
  letter-spacing: 0.04em;
}

.map-thesis-alert strong,
.map-thesis-alert span {
  color: var(--fn-rupture);
}

.map-method {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  padding: 14px 2px;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
}

/* ———— 控制区：视图切换 ———— */

.map-controls {
  padding: 6px 0 18px;
}

.control-cluster {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.control-cluster-secondary {
  margin-top: 10px;
}

.control-help {
  font-size: 12px;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
}

.map-control {
  appearance: none;
  border: 1px solid var(--line-strong);
  background: transparent;
  padding: 8px 16px;
  font-family: inherit;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--ink);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.map-control:hover {
  background: rgba(32, 47, 109, 0.08);
}

.map-control-strong,
.map-control[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.map-control-quiet {
  border-style: dashed;
  font-size: 12px;
  padding: 6px 12px;
}

.view-hint {
  margin: 14px 0 0;
  max-width: 860px;
  font-size: 13px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.view-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 12px;
}

.legend-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
}

.legend-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  color: var(--ink-soft);
  letter-spacing: 0.03em;
}

.legend-swatch {
  width: 12px;
  height: 12px;
  background: var(--sw, #999);
  border: 1px solid rgba(32, 47, 109, 0.3);
}

.legend-box {
  width: 12px;
  height: 12px;
  border: 1px solid var(--fn-hold);
}

.legend-box.is-dash {
  border-style: dashed;
}

.legend-box.is-hatch {
  background-image: repeating-linear-gradient(45deg, transparent 0 3px, rgba(32, 47, 109, 0.28) 3px 4px);
}

.legend-tail {
  width: 22px;
  border-bottom: 2px dashed var(--fn-rupture);
}

.legend-diamond {
  width: 10px;
  height: 10px;
  border: 2px solid var(--fn-rupture);
  transform: rotate(45deg);
}

/* ———— 图谱区 ———— */

.narrative-map {
  padding: 22px 0 8px;
}

.map-section-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-strong);
}

.map-section-heading h2 {
  margin: 0;
  font-family: "Noto Serif SC", serif;
  font-size: clamp(22px, 2.4vw, 34px);
}

.map-section-heading h2 span {
  display: block;
  font-family: var(--font-latin);
  font-size: 0.42em;
  font-weight: 400;
  letter-spacing: 0.22em;
  color: var(--ink-soft);
  text-transform: uppercase;
}

.map-reading-note {
  max-width: 300px;
  margin: 0;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--ink-soft);
  text-align: right;
}

.timeline-scroller {
  overflow-x: auto;
  padding: 14px 0 20px;
  scrollbar-width: thin;
}

.timeline-root {
  min-width: calc(var(--label-w) + var(--col-w) * 9);
}

/* 标记层 */

.sm-band {
  display: grid;
  grid-template-columns: var(--label-w) repeat(9, minmax(var(--col-w), 1fr));
  border-bottom: 1px solid var(--line-strong);
  background: rgba(32, 47, 109, 0.04);
}

.sm-bandlabel {
  position: sticky;
  left: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: var(--paper);
  border-right: 1px solid var(--line-strong);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
}

.sm-bandlabel span + span::before {
  content: "·";
  margin-right: 8px;
}

.sm-markcell {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 34px;
  padding: 4px 2px;
}

.sm-marker {
  width: 13px;
  height: 13px;
  padding: 0;
  border: 2px solid var(--fn-rupture);
  background: transparent;
  transform: rotate(45deg);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.sm-marker:hover {
  transform: rotate(45deg) scale(1.25);
}

.sm-marker.st-dangling {
  border-color: var(--fn-rupture);
}

.sm-marker.st-partial {
  border-color: var(--nec-compressible);
  background: linear-gradient(45deg, var(--nec-compressible) 50%, transparent 50%);
}

.sm-marker.st-planted {
  border-color: var(--fn-hold);
}

.sm-marker.st-resolved {
  border-color: var(--fn-advance);
  background: var(--fn-advance);
}

.sm-marker.is-dim {
  opacity: 0.22;
}

.sm-marker.is-hot {
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--fn-rupture) 22%, transparent);
}

.sm-marker.is-active {
  transform: rotate(45deg) scale(1.4);
  box-shadow: 0 0 0 3px rgba(32, 47, 109, 0.3);
}

.sm-marker.is-linked {
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--theme-dream) 40%, transparent);
}

/* 事件网格 */

.sm-grid {
  display: grid;
  grid-template-columns: var(--label-w) repeat(9, minmax(var(--col-w), 1fr));
}

.sm-row {
  display: contents;
}

.sm-row-head .sm-rowlabel {
  border-bottom: 1px solid var(--line-strong);
}

.sm-ephead {
  appearance: none;
  border: 0;
  border-bottom: 1px solid var(--line-strong);
  background: transparent;
  padding: 8px 4px;
  font-family: var(--font-latin);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink);
  cursor: pointer;
}

.sm-ephead:hover {
  background: rgba(32, 47, 109, 0.07);
}

.sm-ephead.is-focus {
  background: var(--ink);
  color: var(--paper);
}

.sm-rowlabel {
  position: sticky;
  left: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 12px;
  background: var(--paper);
  border-right: 1px solid var(--line-strong);
  border-bottom: 1px dashed var(--line);
}

.sm-rowname {
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.sm-rowcount {
  font-family: var(--font-latin);
  font-size: 11px;
  color: var(--ink-soft);
}

.sm-cell {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  min-height: 58px;
  padding: 6px 5px;
  border-left: 1px dashed var(--line);
  border-bottom: 1px dashed var(--line);
}

.sm-grid[data-focus] .sm-cell,
.sm-grid[data-focus] .sm-markcell {
  transition: opacity 0.15s ease;
}

.sm-grid[data-focus="1"] .sm-cell:not([data-ep="1"]),
.sm-grid[data-focus="2"] .sm-cell:not([data-ep="2"]),
.sm-grid[data-focus="3"] .sm-cell:not([data-ep="3"]),
.sm-grid[data-focus="4"] .sm-cell:not([data-ep="4"]),
.sm-grid[data-focus="5"] .sm-cell:not([data-ep="5"]),
.sm-grid[data-focus="6"] .sm-cell:not([data-ep="6"]),
.sm-grid[data-focus="7"] .sm-cell:not([data-ep="7"]),
.sm-grid[data-focus="8"] .sm-cell:not([data-ep="8"]),
.sm-grid[data-focus="9"] .sm-cell:not([data-ep="9"]),
.sm-grid[data-focus="1"] ~ .sm-band .sm-markcell:not([data-ep="1"]) {
  opacity: 0.18;
}

/* 事件节点 */

.sm-node {
  appearance: none;
  display: block;
  width: 100%;
  border: 1px solid var(--nc, var(--fn-hold));
  border-left-width: 3px;
  background: color-mix(in srgb, var(--nc, var(--fn-hold)) 10%, var(--paper));
  color: var(--ink);
  font-family: inherit;
  text-align: left;
  line-height: 1.5;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.sm-node:hover {
  transform: translateY(-1px);
  box-shadow: 2px 3px 0 rgba(32, 47, 109, 0.18);
}

.sm-node.size-major {
  padding: 7px 9px;
  font-size: 12.5px;
  font-weight: 600;
}

.sm-node.size-minor {
  padding: 5px 8px;
  font-size: 11.5px;
}

.sm-node.size-transitional {
  padding: 3px 7px;
  font-size: 10.5px;
  color: var(--ink-soft);
}

.sm-node.is-hold {
  border-style: dashed;
  border-left-style: dashed;
  background: transparent;
}

.sm-node.is-hatch {
  background-image: repeating-linear-gradient(
    45deg,
    transparent 0 4px,
    color-mix(in srgb, var(--nc, var(--fn-hold)) 16%, transparent) 4px 6px
  );
}

.sm-node.is-active {
  outline: 2px solid var(--ink);
  outline-offset: 1px;
}

.sm-node.is-linked {
  outline: 2px dashed color-mix(in srgb, var(--theme-dream) 70%, var(--ink));
  outline-offset: 1px;
}

/* 跨集延续段与未闭环虚线尾 */

.sm-span {
  display: block;
  height: 4px;
  margin-top: auto;
  background: color-mix(in srgb, var(--nc, var(--fn-hold)) 38%, transparent);
}

.sm-tail {
  display: block;
  height: 0;
  margin: auto 0;
  border-bottom: 2px dashed color-mix(in srgb, var(--fn-rupture) 55%, transparent);
}

/* ———— 阅读指南 ———— */

.map-reading-guide {
  padding: 30px 0 64px;
}

.map-reading-guide h2 {
  margin: 0 0 18px;
  font-family: "Noto Serif SC", serif;
  font-size: clamp(20px, 2.2vw, 30px);
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0;
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid var(--line-strong);
}

.guide-grid p {
  margin: 0;
  padding: 18px 20px;
  border-right: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.guide-grid strong {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
}

.guide-grid span {
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ———— 详情抽屉 ———— */

.detail-backdrop {
  position: fixed;
  inset: 0;
  top: var(--header-height);
  z-index: 110; /* 高于 .site-header:100，遮罩从顶栏下方起铺 */
  border: 0;
  background: rgba(32, 47, 109, 0.18);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.detail-backdrop.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.detail-drawer {
  position: fixed;
  top: var(--header-height);
  right: 0;
  z-index: 111; /* 高于顶栏，标题与关闭按钮不再被分享钮挡住 */
  display: flex;
  flex-direction: column;
  width: min(460px, 94vw);
  height: calc(100dvh - var(--header-height));
  background: var(--paper);
  border-left: 1px solid var(--line-strong);
  box-shadow: -14px 0 34px rgba(32, 47, 109, 0.14);
  transform: translateX(102%);
  transition: transform 0.24s ease;
}

.detail-drawer.is-open {
  transform: translateX(0);
}

.detail-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  padding: 22px 24px 14px;
  border-bottom: 1px solid var(--line-strong);
}

.detail-header p {
  margin: 0 0 6px;
  font-family: var(--font-latin);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--ink-soft);
}

.detail-header h2 {
  margin: 0;
  font-family: "Noto Serif SC", serif;
  font-size: 24px;
}

#detail-close {
  appearance: none;
  border: 1px solid var(--line-strong);
  background: transparent;
  width: 34px;
  height: 34px;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
}

.detail-body {
  flex: 1;
  overflow-y: auto;
  padding: 18px 24px 24px;
}

.d-oneliner {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.9;
}

.d-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  margin: 0 0 18px;
  background: var(--line);
  border: 1px solid var(--line);
}

.d-field {
  background: var(--paper);
  padding: 8px 12px;
}

.d-field dt {
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
}

.d-field dd {
  margin: 3px 0 0;
  font-size: 13.5px;
  font-weight: 600;
}

.d-state {
  margin: 0 0 14px;
}

.d-state span,
.d-links span {
  display: block;
  margin-bottom: 5px;
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--ink-soft);
}

.d-state p {
  margin: 0;
  font-size: 13px;
  line-height: 1.85;
}

.d-links {
  margin: 0 0 14px;
}

.d-link {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 8px 8px 0;
  padding: 6px 12px;
  border: 1px solid var(--line-strong);
  background: transparent;
  font-family: inherit;
  font-size: 12.5px;
  color: var(--ink);
  cursor: pointer;
}

.d-link:hover {
  background: rgba(32, 47, 109, 0.08);
}

.d-link em {
  font-style: normal;
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
}

.d-link-marker {
  border-style: dashed;
}

.detail-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 14px 24px;
  border-top: 1px solid var(--line-strong);
}

#detail-copy {
  appearance: none;
  border: 1px solid var(--line-strong);
  background: transparent;
  padding: 8px 14px;
  font-family: inherit;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  cursor: pointer;
}

#detail-copy:hover {
  background: rgba(32, 47, 109, 0.08);
}

#detail-position {
  font-family: var(--font-latin);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
}

/* ———— 提示与错误 ———— */

.map-toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  z-index: 120;
  transform: translate(-50%, 12px);
  padding: 10px 18px;
  background: var(--ink);
  color: var(--paper);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.map-toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

.map-error {
  padding: 30px;
  font-size: 14px;
  color: var(--fn-rupture);
}

/* ———— 响应式 ———— */

@media (max-width: 860px) {
  .map-intro-grid {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .map-intro-copy {
    padding: 30px 0;
    border-right: 0;
    border-bottom: 1px dashed var(--line);
  }

  .map-thesis {
    padding: 20px 0 26px;
  }

  .map-section-heading {
    flex-direction: column;
    align-items: flex-start;
  }

  .map-reading-note {
    text-align: left;
  }

  .page-story-map {
    --label-w: 112px;
    --col-w: 96px;
  }

  .sm-rowname {
    font-size: 12px;
  }
}