@font-face {
  font-family: "Huninn";
  src: url("./fonts/jf-openhuninn-1.0.ttf") format("truetype");
  font-display: swap;
}

:root {
  --wujie-ink: #25383b;
  --wujie-muted: #607377;
  --wujie-teal: #397d7b;
  --wujie-teal-dark: #286461;
  --wujie-coral: #dc755f;
  --wujie-mustard: #c89139;
  --wujie-paper: #fbf7ed;
  --wujie-card: #fffdf7;
  --wujie-mist: #e8efea;
  --wujie-line: #cbd8d3;
  --wujie-insight: #f6e8df;
  --wujie-cream: #fff7df;
  --wujie-shadow-page: 0 18px 48px rgba(45, 65, 63, 0.13);
  --wujie-shadow-card: 0 12px 30px rgba(45, 65, 63, 0.08);
  --wujie-radius-panel: 22px;
  --wujie-radius-card: 16px;
  --wujie-reading: 760px;
  --wujie-gap-1: 8px;
  --wujie-gap-2: 12px;
  --wujie-gap-3: 16px;
  --wujie-gap-4: 20px;
  --wujie-gap-5: 24px;
  --wujie-gap-6: 32px;
  --wujie-gap-7: 40px;
}

* { box-sizing: border-box; }

html {
  color-scheme: light;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--wujie-ink);
  background:
    radial-gradient(circle at 16% 9%, rgba(220, 117, 95, 0.10), transparent 28rem),
    linear-gradient(135deg, #eef1ea 0%, #e3ebe7 100%);
  font-family: "Huninn", "Noto Sans TC", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-print-color-adjust: exact;
  print-color-adjust: exact;
}

h1, h2, h3, h4, p, figure, blockquote { margin-top: 0; }
h1, h2, h3, h4 { color: var(--wujie-teal-dark); line-height: 1.2; }
h1, h2, h3 { break-after: avoid; page-break-after: avoid; }
p, li { orphans: 2; widows: 2; }
img { max-width: 100%; }

a {
  color: var(--wujie-teal-dark);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
  overflow-wrap: anywhere;
}

.wujie-skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  border-radius: 10px;
  color: #fff;
  background: var(--wujie-teal-dark);
  transform: translateY(-160%);
}

.wujie-skip-link:focus { transform: translateY(0); }

:focus-visible {
  outline: 3px solid var(--wujie-coral);
  outline-offset: 3px;
}

.wujie-shell {
  width: min(1520px, calc(100% - 48px));
  margin-inline: auto;
  padding-block: 40px 64px;
}

.wujie-page {
  position: relative;
  display: flex;
  flex-direction: column;
  width: min(100%, 210mm);
  min-height: 297mm;
  margin: 0 auto 32px;
  padding: 16mm;
  color: var(--wujie-ink);
  background:
    linear-gradient(90deg, rgba(70, 108, 102, 0.045) 1px, transparent 1px) 0 0 / 34mm 34mm,
    var(--wujie-paper);
  box-shadow: var(--wujie-shadow-page);
  break-after: page;
  page-break-after: always;
}

.wujie-page:last-child { break-after: auto; page-break-after: auto; }
.wujie-page::after {
  content: "";
  position: absolute;
  z-index: 0;
  right: 0;
  bottom: 0;
  left: 0;
  height: 28%;
  pointer-events: none;
  background: linear-gradient(to bottom,
    rgba(0, 0, 0, 0) 0%,
    rgba(0, 0, 0, 0.012) 34%,
    rgba(0, 0, 0, 0.04) 52%,
    rgba(0, 0, 0, 0.10) 68%,
    rgba(0, 0, 0, 0.23) 81%,
    rgba(0, 0, 0, 0.43) 92%,
    rgba(0, 0, 0, 0.66) 100%);
}
.wujie-page > * { position: relative; z-index: 1; }
.wujie-page > main { flex: 1 1 auto; }

.wujie-page-header,
.wujie-masthead {
  display: flex;
  gap: var(--wujie-gap-5);
  align-items: flex-start;
  justify-content: space-between;
  padding-bottom: var(--wujie-gap-4);
  border-bottom: 2px solid #b9d0ca;
}

.wujie-page-footer {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--wujie-gap-3);
  align-items: start;
  min-height: 24mm;
  flex: 0 0 auto;
  margin-top: auto;
  padding-top: var(--wujie-gap-2);
  padding-bottom: 11mm;
  border-top: 1px solid var(--wujie-line);
  color: var(--wujie-muted);
  font-size: 0.8125rem;
  font-weight: 800;
}

.wujie-page-footer > :first-child { grid-column: 1; }
.wujie-page-footer > :last-child { grid-column: 2; justify-self: end; text-align: right; }

.wujie-page-mark {
  position: absolute;
  bottom: 1.8mm;
  left: 50%;
  display: block;
  width: auto;
  height: 7.5mm;
  max-width: none;
  object-fit: contain;
  transform: translateX(-50%);
}

.wujie-print-page-mark { display: none; }

.wujie-eyebrow {
  margin: 0 0 var(--wujie-gap-1);
  color: var(--wujie-coral);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.wujie-title {
  margin: 0;
  color: var(--wujie-teal-dark);
  font-size: clamp(30px, 4vw, 52px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.wujie-section-title {
  margin-bottom: var(--wujie-gap-3);
  font-size: clamp(22px, 2.2vw, 30px);
  font-weight: 900;
}

.wujie-intro,
.wujie-prose {
  max-width: var(--wujie-reading);
}

.wujie-intro {
  margin: var(--wujie-gap-2) 0 0;
  color: var(--wujie-muted);
  font-size: 1.0625rem;
  line-height: 1.75;
}

.wujie-prose > * + * { margin-top: 1.1em; }
.wujie-prose h2 { margin-top: 2em; }
.wujie-prose h3 { margin-top: 1.6em; }

.wujie-section { margin-top: var(--wujie-gap-7); }
.wujie-stack > * + * { margin-top: var(--wujie-gap-4); }

.wujie-grid-2,
.wujie-grid-3,
.wujie-grid-4 {
  display: grid;
  gap: var(--wujie-gap-4);
}

.wujie-grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.wujie-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.wujie-grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.wujie-panel,
.wujie-card {
  border: 1px solid rgba(57, 125, 123, 0.20);
  background: var(--wujie-card);
}

.wujie-panel {
  overflow: hidden;
  border-radius: var(--wujie-radius-panel);
}

.wujie-card {
  padding: var(--wujie-gap-4);
  border-radius: var(--wujie-radius-card);
}

.wujie-paper {
  color: var(--wujie-ink);
  background:
    linear-gradient(90deg, rgba(70, 108, 102, 0.055) 1px, transparent 1px) 0 0 / 120px 120px,
    var(--wujie-paper);
}

.wujie-compact .wujie-card,
.wujie-card.wujie-compact { padding: var(--wujie-gap-3); }

.wujie-tag {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  max-width: 100%;
  border-radius: 999px;
  padding: 9px 18px;
  color: #fff;
  background: var(--wujie-teal);
  font-size: 0.875rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.wujie-metadata {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  overflow: hidden;
  border: 1px solid var(--wujie-line);
  border-radius: var(--wujie-radius-card);
  background: var(--wujie-line);
  gap: 1px;
}

.wujie-metadata > div {
  min-width: 0;
  padding: var(--wujie-gap-3) var(--wujie-gap-4);
  background: var(--wujie-card);
}

.wujie-metadata dt,
.wujie-label {
  margin: 0 0 4px;
  color: var(--wujie-muted);
  font-size: 0.8125rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.wujie-metadata dd { margin: 0; color: var(--wujie-teal-dark); font-weight: 900; }

.wujie-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: var(--wujie-gap-2);
}

.wujie-metric {
  padding: var(--wujie-gap-3);
  border: 1px solid var(--wujie-line);
  border-radius: var(--wujie-radius-card);
  background: var(--wujie-card);
  text-align: center;
}

.wujie-metric strong {
  display: block;
  color: var(--wujie-coral);
  font-size: clamp(24px, 3vw, 34px);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}

.wujie-metric span { color: var(--wujie-muted); font-size: 0.875rem; }

.wujie-insight {
  padding: var(--wujie-gap-4) var(--wujie-gap-5);
  border-left: 8px solid var(--wujie-coral);
  border-radius: 5px 18px 18px 5px;
  background: var(--wujie-insight);
}

.wujie-insight > :last-child { margin-bottom: 0; }

.wujie-formula {
  display: grid;
  min-height: 92px;
  place-items: center;
  border: 1.5px solid #d9c59d;
  border-radius: 18px;
  color: #7e5823;
  background: var(--wujie-cream);
  font-family: Georgia, serif;
  font-size: 1.25rem;
  font-weight: 700;
}

.wujie-quote {
  margin-inline: 0;
  padding: var(--wujie-gap-4) var(--wujie-gap-5);
  border-left: 5px solid var(--wujie-teal);
  color: var(--wujie-ink);
  background: var(--wujie-mist);
  font-size: 1.0625rem;
}

.wujie-quote cite {
  display: block;
  margin-top: var(--wujie-gap-2);
  color: var(--wujie-muted);
  font-size: 0.875rem;
  font-style: normal;
}

.wujie-steps {
  display: grid;
  gap: var(--wujie-gap-2);
  padding: 0;
  list-style: none;
  counter-reset: wujie-step;
}

.wujie-step {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: var(--wujie-gap-2);
  align-items: start;
  padding: var(--wujie-gap-3);
  border: 1px solid var(--wujie-line);
  border-radius: 14px;
  background: var(--wujie-mist);
  counter-increment: wujie-step;
}

.wujie-step::before {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--wujie-mustard);
  content: counter(wujie-step);
  font-weight: 900;
}

.wujie-timeline { display: grid; gap: 0; }

.wujie-timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(90px, 0.28fr) 1fr;
  gap: var(--wujie-gap-3);
  padding: 0 0 var(--wujie-gap-5) var(--wujie-gap-5);
  border-left: 2px solid var(--wujie-line);
}

.wujie-timeline-item:last-child { padding-bottom: 0; }

.wujie-timeline-item::before {
  position: absolute;
  top: 0.35em;
  left: -6px;
  width: 10px;
  height: 10px;
  border: 2px solid var(--wujie-card);
  border-radius: 50%;
  background: var(--wujie-teal);
  content: "";
}

.wujie-timeline-date {
  color: var(--wujie-teal);
  font-size: 0.875rem;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
}

.wujie-figure {
  margin-inline: 0;
  break-inside: avoid;
  page-break-inside: avoid;
}

.wujie-figure img {
  display: block;
  width: 100%;
  border: 1px solid var(--wujie-line);
  border-radius: var(--wujie-radius-card);
}

.wujie-figure-placeholder {
  display: grid;
  min-height: 220px;
  place-items: center;
  border: 1px solid var(--wujie-line);
  border-radius: var(--wujie-radius-card);
  color: var(--wujie-muted);
  background: var(--wujie-mist);
}

.wujie-figure figcaption {
  margin-top: var(--wujie-gap-1);
  color: var(--wujie-muted);
  font-size: 0.875rem;
}

.wujie-toc {
  padding: var(--wujie-gap-4);
  border: 1px solid var(--wujie-line);
  border-radius: var(--wujie-radius-card);
  background: var(--wujie-card);
}

.wujie-toc ol { margin: 0; padding-left: 1.4em; }
.wujie-toc li + li { margin-top: 0.45em; }

.wujie-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--wujie-line);
  border-radius: var(--wujie-radius-card);
  background: var(--wujie-card);
}

.wujie-table {
  width: 100%;
  border-collapse: collapse;
  color: var(--wujie-ink);
  background: transparent;
  font: inherit;
}

.wujie-table caption {
  padding: var(--wujie-gap-2) var(--wujie-gap-3);
  color: var(--wujie-muted);
  text-align: left;
}

.wujie-table th,
.wujie-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--wujie-line);
  text-align: left;
  vertical-align: top;
}

.wujie-table thead th {
  color: var(--wujie-teal-dark);
  background: var(--wujie-mist);
  font-weight: 900;
  letter-spacing: 0.03em;
}

.wujie-table tbody tr:last-child > * { border-bottom: 0; }
.wujie-table .is-number { text-align: right; font-variant-numeric: tabular-nums; }
.wujie-table .is-compact { width: 1%; white-space: nowrap; text-align: center; }
.wujie-table .is-media { width: 1%; white-space: nowrap; text-align: center; vertical-align: middle; }

.wujie-photo-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--wujie-gap-3);
  align-items: stretch;
}

.wujie-photo-pair img {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.wujie-media-panel {
  border: 1px solid var(--wujie-line);
  background: var(--wujie-card);
}

.wujie-footnotes {
  margin-top: var(--wujie-gap-7);
  padding-top: var(--wujie-gap-3);
  border-top: 1px solid var(--wujie-line);
  color: var(--wujie-muted);
  font-size: 0.875rem;
}

.wujie-footnotes ol { margin-bottom: 0; padding-left: 1.4em; }
.wujie-muted { color: var(--wujie-muted); }
.wujie-accent { color: var(--wujie-teal-dark); }
.wujie-number { font-variant-numeric: tabular-nums; }
.wujie-keep { break-inside: avoid; page-break-inside: avoid; }
.wujie-no-print { display: initial; }
.wujie-print-only { display: none !important; }

@media screen {
  .wujie-panel,
  .wujie-card,
  .wujie-paper,
  .wujie-media-panel,
  .wujie-table-wrap { box-shadow: var(--wujie-shadow-card); }
}

@media (max-width: 900px) {
  .wujie-grid-3,
  .wujie-grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .wujie-shell {
    width: min(100% - 24px, 1520px);
    padding-block: 24px 40px;
  }

  .wujie-page { min-height: 0; padding: 28px 22px; }
  .wujie-page-header,
  .wujie-masthead { flex-direction: column; }
  .wujie-grid-2,
  .wujie-grid-3,
  .wujie-grid-4 { grid-template-columns: 1fr; }
  .wujie-timeline-item { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

@page { size: A4; margin: 0; }

@media print {
  html, body { background: #fff; }
  body { font-size: 11.5pt; line-height: 1.58; }
  .wujie-shell { width: 100%; padding: 0; }
  .wujie-page {
    width: 210mm;
    height: 297mm;
    min-height: 297mm;
    margin: 0;
    padding: 13mm 16mm;
    background: var(--wujie-paper);
    box-shadow: none;
  }
  .wujie-page-header,
  .wujie-masthead { padding-bottom: 14px; }
  .wujie-section { margin-top: 18px; }
  .wujie-section-title { margin-bottom: 10px; font-size: 20pt; }
  .wujie-intro { margin-top: 8px; line-height: 1.58; }
  .wujie-card { padding: 12px; }
  .wujie-insight { padding: 12px 16px; }
  .wujie-metric { padding: 10px; }
  .wujie-table th,
  .wujie-table td { padding: 8px 10px; }
  .wujie-page-footer { margin-top: 18px; }
  .wujie-page.wujie-print-compact { padding: 10mm 16mm; }
  .wujie-print-compact .wujie-page-header,
  .wujie-print-compact .wujie-masthead { padding-bottom: 10px; }
  .wujie-print-compact .wujie-section { margin-top: 8px; }
  .wujie-print-compact .wujie-section-title { margin-bottom: 5px; }
  .wujie-print-compact .wujie-card { padding: 8px 10px; }
  .wujie-print-compact .wujie-insight { padding: 8px 12px; }
  .wujie-print-compact .wujie-metric { padding: 7px; }
  .wujie-print-compact .wujie-table th,
  .wujie-print-compact .wujie-table td { padding: 5px 8px; }
  .wujie-print-compact .wujie-page-footer { margin-top: 12px; padding-top: 7px; }
  .wujie-page-footer,
  .wujie-label,
  .wujie-metadata dt,
  .wujie-timeline-date,
  .wujie-table caption,
  .wujie-figure figcaption,
  .wujie-footnotes { font-size: 10pt; }
  .wujie-panel,
  .wujie-card,
  .wujie-paper,
  .wujie-media-panel,
  .wujie-table-wrap {
    background-color: var(--wujie-card);
    box-shadow: none;
  }
  .wujie-table-wrap { overflow: visible; }
  .wujie-table thead { display: table-header-group; }
  .wujie-table tr,
  .wujie-figure,
  .wujie-quote,
  .wujie-step,
  .wujie-timeline-item { break-inside: avoid; page-break-inside: avoid; }
  .wujie-photo-pair[data-print-size="primary"] {
    grid-template-columns: repeat(2, 65mm);
    gap: 5mm;
    justify-content: center;
  }
  .wujie-photo-pair[data-print-size="primary"] img {
    width: 65mm;
    height: 65mm;
  }
  .wujie-print-grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }
  .wujie-print-grid-3 .wujie-step {
    grid-template-columns: 28px 1fr;
    padding: 10px;
  }
  .wujie-print-grid-3 .wujie-step::before {
    width: 26px;
    height: 26px;
  }
  .wujie-skip-link { display: none !important; }
  .wujie-page-footer .wujie-page-mark { visibility: visible; }
  .wujie-print-page-mark { display: none !important; }
  .wujie-no-print { display: none !important; }
  .wujie-print-only { display: initial !important; }
}