:root {
  --bg: #f2f1ed;
  --card: #fafaf8;
  --ink: #1a1a1a;
  --ink-soft: #6b6b66;
  --hairline: #dad9d3;
  --accent: #ff4d00;
  --bull: #2f5d3a;
  --bear: #9e3b2e;
  --wait: #2b3a4a;
  --unit: 8px;
  --radius: 6px;
  --peek: 10px;
  --card-gap: 8px;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-width: 320px;
  min-height: 100%;
  margin: 0;
}

body {
  overflow-x: hidden;
  color: var(--ink);
  background: var(--bg);
  font-family:
    "Source Han Sans SC",
    "Noto Sans CJK SC",
    "Noto Sans SC",
    "PingFang SC",
    "Microsoft YaHei",
    Arial,
    sans-serif;
}

a {
  color: inherit;
}

button {
  padding: 0;
  border: 0;
  color: inherit;
  background: transparent;
  font: inherit;
  cursor: pointer;
}

.page-shell {
  width: min(100%, 430px);
  margin: 0 auto;
  padding: calc(var(--unit) * 2) 0 calc(var(--unit) * 3);
}

.product-shell {
  padding-bottom: calc(var(--unit) * 2);
}

.deck-viewport {
  overflow: visible;
  width: calc(100% - var(--unit) * 2 - var(--card-gap) - var(--peek));
  padding-left: 0;
  margin-left: calc(var(--unit) * 2);
}

.deck-track {
  display: grid;
  grid-auto-columns: 100%;
  grid-auto-flow: column;
  gap: var(--card-gap);
}

.peek-link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.company-card {
  position: relative;
  display: flex;
  min-height: calc(100svh - var(--unit) * 4);
  flex-direction: column;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: 0 2px 0 rgba(26, 26, 26, 0.02);
}

.company-card.is-peek > * {
  visibility: hidden;
}

.company-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--unit);
  padding: calc(var(--unit) * 2.25) calc(var(--unit) * 2) calc(var(--unit) * 1.75);
}

.company-header h1 {
  margin: 0 0 calc(var(--unit) * 1.25);
  font-size: 46px;
  font-weight: 650;
  letter-spacing: 0;
  line-height: 0.98;
}

.company-header p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.4;
}

.history-link {
  color: var(--ink);
  text-decoration: none;
}

.narrative-list {
  border-top: 1px solid var(--hairline);
}

.narrative-row {
  position: relative;
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: calc(var(--unit) * 1.5);
  min-height: 112px;
  padding: calc(var(--unit) * 1.75) calc(var(--unit) * 2);
  border-bottom: 1px solid var(--hairline);
  background: transparent;
}

.narrative-row.is-mainline {
  margin: -1px -1px 0;
  border: 1.5px solid var(--accent);
  background: linear-gradient(90deg, rgba(255, 77, 0, 0.035), transparent 58%);
}

.mainline-pill {
  position: absolute;
  top: -1px;
  right: -1px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--accent);
  border-radius: 0;
  padding: 5px 12px 6px;
  color: #fff;
  background: var(--accent);
  font-size: 12px;
  font-weight: 650;
  line-height: 1;
}

.animal-block {
  display: grid;
  align-content: start;
  justify-items: center;
  gap: 2px;
  padding-top: 1px;
}

.animal-icon {
  width: 56px;
  height: 56px;
}

.animal-icon img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  user-select: none;
}

.animal-block p {
  margin: 0;
  font-size: 12px;
  font-weight: 650;
  line-height: 1.25;
  text-align: center;
}

.narrative-buyer {
  color: var(--bull);
}

.narrative-seller {
  color: var(--bear);
}

.narrative-wait {
  color: var(--wait);
}

.narrative-copy {
  align-self: start;
  padding-right: calc(var(--unit) * 0.75);
  color: var(--ink);
}

.narrative-row.is-mainline .narrative-copy {
  padding-right: calc(var(--unit) * 5.5);
}

.narrative-copy p {
  margin: 0;
  font-size: 15px;
  font-weight: 420;
  letter-spacing: 0;
  line-height: 1.62;
}

.narrative-copy small {
  display: block;
  margin-top: calc(var(--unit) * 0.75);
  color: color-mix(in srgb, var(--ink-soft) 58%, transparent);
  font-size: 11px;
  font-weight: 450;
  letter-spacing: 0.02em;
  line-height: 1.3;
}

.citation-link {
  margin-right: calc(var(--unit) * 0.5);
  color: inherit;
  font-size: inherit;
  font-weight: inherit;
  letter-spacing: inherit;
  line-height: inherit;
  text-decoration: none;
}

.citation-link:active {
  color: var(--accent);
}

.insight-footer {
  margin-bottom: auto;
  padding: calc(var(--unit) * 1.5) calc(var(--unit) * 2) calc(var(--unit) * 1.5);
}

.insight-footer p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.58;
}

.insight-footer strong {
  color: var(--ink);
  font-weight: 650;
}

.risk-note {
  margin-top: calc(var(--unit) * 1.5);
  padding-top: calc(var(--unit) * 1.25);
  border-top: 1px solid color-mix(in srgb, var(--hairline) 70%, transparent);
  color: color-mix(in srgb, var(--ink-soft) 76%, transparent);
  font-size: 11px;
  font-weight: 400;
  line-height: 1.55;
}

.company-card > .risk-note {
  margin: auto calc(var(--unit) * 2) calc(var(--unit) * 1.75);
}

.home-shell > .risk-note,
.subpage > .risk-note,
.history-sheet > .risk-note {
  color: color-mix(in srgb, var(--ink-soft) 76%, transparent);
  font-size: 11px;
  font-weight: 400;
}

.subpage {
  display: flex;
  flex-direction: column;
  min-height: calc(100svh - var(--unit) * 4);
  width: min(calc(100% - var(--unit) * 4), 430px);
  margin: 0 auto;
  padding: calc(var(--unit) * 2) 0 calc(var(--unit) * 3);
}

.subpage > .risk-note {
  margin-top: auto;
  margin-bottom: calc(var(--unit) * 1.5);
}

.subpage-header {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  align-items: center;
  gap: var(--unit);
  padding: calc(var(--unit) * 1.25) 0 calc(var(--unit) * 2);
}

.back-button {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 1px solid var(--hairline);
  border-radius: 0;
  color: var(--ink);
  background: var(--card);
  font-size: 26px;
  line-height: 1;
  text-decoration: none;
}

.subpage-header h1,
.subpage-header strong {
  margin: 0;
}

.subpage-header h1 {
  display: flex;
  align-items: baseline;
  gap: var(--unit);
  color: var(--ink);
  font-size: 18px;
  font-weight: 650;
  letter-spacing: 0;
  line-height: 1.2;
}

.subpage-header strong {
  color: var(--ink-soft);
  font-size: 16px;
  font-weight: 500;
}

.vertical-timeline {
  position: relative;
  display: grid;
  gap: calc(var(--unit) * 2);
  margin: 0;
  padding: calc(var(--unit) * 0.5) 0 calc(var(--unit) * 4) calc(var(--unit) * 3.25);
  list-style: none;
}

.vertical-timeline::before {
  position: absolute;
  top: calc(var(--unit) * 1.5);
  bottom: calc(var(--unit) * 4);
  left: calc(var(--unit) * 0.75);
  width: 1px;
  background: var(--hairline);
  content: "";
}

.timeline-item {
  position: relative;
}

.timeline-item::before {
  position: absolute;
  top: calc(var(--unit) * 1.5);
  left: calc(var(--unit) * -2.95);
  width: 10px;
  height: 10px;
  border: 1.5px solid currentColor;
  border-radius: 50%;
  background: var(--bg);
  box-shadow: inset 0 0 0 3px var(--bg);
  content: "";
}

.timeline-mainline {
  display: grid;
  width: 100%;
  gap: calc(var(--unit) * 0.75);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: calc(var(--unit) * 1.5);
  background: var(--card);
  text-align: left;
}

.timeline-mainline:active {
  border-color: var(--accent);
}

.timeline-date {
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 650;
  line-height: 1.2;
}

.timeline-mainline strong {
  color: currentColor;
  font-size: 13px;
  font-weight: 650;
  line-height: 1.25;
}

.timeline-mainline p {
  margin: 0;
  color: var(--ink);
  font-size: 15px;
  font-weight: 420;
  line-height: 1.62;
}

.sheet-scrim {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: none;
  align-items: end;
  background: rgba(26, 26, 26, 0.22);
}

.sheet-scrim.is-open {
  display: flex;
}

.history-sheet {
  width: min(100%, 430px);
  max-height: 76svh;
  margin: 0 auto;
  overflow-y: auto;
  border: 1px solid var(--hairline);
  border-bottom: 0;
  border-radius: var(--radius) var(--radius) 0 0;
  background: var(--card);
}

.sheet-handle {
  width: 36px;
  height: 3px;
  margin: calc(var(--unit) * 1.25) auto;
  background: var(--hairline);
}

.sheet-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--unit);
  padding: 0 calc(var(--unit) * 2) calc(var(--unit) * 1.5);
  border-bottom: 1px solid var(--hairline);
}

.sheet-title span {
  color: var(--ink-soft);
  font-size: 12px;
}

.sheet-title strong {
  color: var(--accent);
  font-size: 12px;
  font-weight: 650;
}

.history-action {
  padding: calc(var(--unit) * 1.75) calc(var(--unit) * 2);
  border-bottom: 1px solid var(--hairline);
}

.history-action:last-child {
  border-bottom: 0;
}

.history-action h2 {
  margin: 0 0 calc(var(--unit) * 0.75);
  font-size: 15px;
  font-weight: 650;
  line-height: 1.25;
}

.history-action p {
  margin: 0;
  color: var(--ink);
  font-size: 15px;
  font-weight: 420;
  line-height: 1.62;
}

.history-action.is-mainline-text {
  box-shadow: inset 3px 0 0 var(--accent);
}

.source-list {
  display: grid;
  gap: var(--unit);
  margin: 0;
  padding: 0 0 calc(var(--unit) * 3);
  list-style: none;
}

.source-detail {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: var(--unit);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: calc(var(--unit) * 1.5);
  background: var(--card);
}

.source-detail:target {
  border-color: var(--accent);
  box-shadow: inset 3px 0 0 var(--accent);
}

.source-detail > span {
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 650;
  line-height: 1.3;
}

.source-detail h2 {
  margin: 0;
  color: var(--ink);
  font-size: 15px;
  font-weight: 650;
  line-height: 1.45;
}

.source-detail p,
.source-detail time {
  display: block;
  margin: calc(var(--unit) * 0.75) 0 0;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.35;
}

.home-header {
  padding: calc(var(--unit) * 3) calc(var(--unit) * 2) calc(var(--unit) * 2);
}

.home-header p,
.home-header span {
  display: block;
  margin: 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.5;
}

.home-header h1 {
  margin: calc(var(--unit) * 1.25) 0;
  font-size: 42px;
  font-weight: 650;
  letter-spacing: 0;
  line-height: 0.98;
}

.home-deck {
  display: grid;
  grid-auto-columns: calc(100% - 18px);
  grid-auto-flow: column;
  gap: var(--card-gap);
  overflow-x: auto;
  padding: 0 calc(var(--unit) * 2) calc(var(--unit) * 1.5);
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}

.home-deck::-webkit-scrollbar {
  display: none;
}

.home-card {
  display: grid;
  min-height: 260px;
  align-content: start;
  gap: calc(var(--unit) * 1.25);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: calc(var(--unit) * 2);
  background: var(--card);
  text-decoration: none;
  scroll-snap-align: start;
}

.home-card strong {
  font-size: 34px;
  font-weight: 650;
  line-height: 0.98;
}

.home-card span {
  color: var(--ink-soft);
  font-size: 13px;
}

.home-card p {
  margin: 0;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.62;
}

.home-shell > .risk-note {
  margin: calc(var(--unit) * 2) calc(var(--unit) * 2) 0;
}

@media (min-width: 720px) {
  .page-shell {
    padding-top: calc(var(--unit) * 4);
  }

  .company-card {
    min-height: 760px;
  }
}

@media (min-width: 860px) {
  body {
    background:
      linear-gradient(90deg, rgba(26, 26, 26, 0.025) 1px, transparent 1px) 0 0 / 80px 80px,
      var(--bg);
  }

  .page-shell {
    width: min(100% - 64px, 1160px);
    padding: 48px 0;
  }

  .product-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
  }

  .deck-viewport {
    width: 100%;
    margin: 0;
  }

  .deck-track {
    display: block;
  }

  .peek-link {
    display: none;
    width: 0;
    height: 0;
    overflow: hidden;
  }

  .company-card.is-peek {
    display: none;
    width: 0;
    height: 0;
    min-height: 0;
    border: 0;
    overflow: hidden;
  }

  .company-card {
    min-height: auto;
    border-radius: var(--radius);
    box-shadow: none;
  }

  .company-header {
    padding: 40px 48px 28px;
  }

  .company-header h1 {
    margin-bottom: 14px;
    font-size: clamp(64px, 7vw, 112px);
    line-height: 0.9;
  }

  .company-header p {
    font-size: 15px;
  }

  .narrative-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 1px solid var(--hairline);
    border-bottom: 1px solid var(--hairline);
  }

  .narrative-row {
    display: flex;
    min-height: 360px;
    flex-direction: column;
    gap: 20px;
    padding: 32px 32px 28px;
    border-bottom: 0;
    border-right: 1px solid var(--hairline);
  }

  .narrative-row:last-child {
    border-right: 0;
  }

  .narrative-row.is-mainline {
    margin: -1px;
    border: 1.5px solid var(--accent);
    background: linear-gradient(180deg, rgba(255, 77, 0, 0.04), rgba(255, 77, 0, 0.012) 42%, transparent);
  }

  .animal-block {
    justify-items: start;
    gap: 8px;
    min-height: 104px;
  }

  .animal-icon {
    width: 78px;
    height: 78px;
  }

  .animal-block p {
    font-size: 15px;
    text-align: left;
  }

  .narrative-copy,
  .narrative-row.is-mainline .narrative-copy {
    padding-right: 0;
  }

  .narrative-copy p {
    font-size: 19px;
    line-height: 1.7;
  }

  .narrative-copy small {
    margin-top: 14px;
    font-size: 12px;
  }

  .mainline-pill {
    top: 0;
    right: 0;
    padding: 7px 14px 8px;
    font-size: 12px;
  }

  .insight-footer {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 0;
    padding: 22px 48px 18px;
  }

  .insight-footer p {
    font-size: 15px;
  }

  .company-card > .risk-note {
    margin: 0 48px 32px;
  }

  .subpage {
    width: min(100% - 64px, 960px);
    min-height: 100vh;
    padding: 48px 0;
  }

  .subpage-header {
    grid-template-columns: 40px minmax(0, 1fr);
    padding-bottom: 32px;
  }

  .back-button {
    width: 40px;
    height: 40px;
  }

  .subpage-header h1 {
    font-size: 28px;
  }

  .subpage-header strong {
    font-size: 24px;
  }

  .vertical-timeline {
    gap: 24px;
    padding-left: 44px;
  }

  .vertical-timeline::before {
    left: 12px;
  }

  .timeline-item::before {
    left: -37px;
  }

  .timeline-mainline {
    padding: 24px;
  }

  .timeline-date,
  .timeline-mainline strong {
    font-size: 14px;
  }

  .timeline-mainline p {
    max-width: 720px;
    font-size: 18px;
  }

  .history-sheet {
    width: min(100% - 64px, 760px);
    max-height: 82vh;
    border-bottom: 1px solid var(--hairline);
    border-radius: var(--radius);
    margin-bottom: 48px;
  }

  .history-action {
    padding: 24px 32px;
  }

  .history-action h2,
  .history-action p {
    font-size: 17px;
  }

  .source-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .source-detail {
    min-height: 156px;
    padding: 20px;
  }

  .source-detail h2 {
    font-size: 17px;
  }

  .source-detail p,
  .source-detail time {
    font-size: 13px;
  }

  .home-shell {
    width: min(100% - 64px, 1160px);
  }

  .home-header {
    padding: 32px 0 34px;
    border-bottom: 1px solid var(--hairline);
  }

  .home-header h1 {
    max-width: 760px;
    font-size: clamp(64px, 7vw, 104px);
  }

  .home-header span {
    max-width: 620px;
    font-size: 16px;
  }

  .home-deck {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    grid-auto-flow: row;
    gap: 10px;
    overflow: visible;
    padding: 28px 0 0;
  }

  .home-card {
    min-height: 280px;
    padding: 20px;
  }

  .home-card strong {
    font-size: 32px;
  }

  .home-shell > .risk-note {
    margin: 32px 0 0;
  }
}