:root {
  color-scheme: light;
  --paper: #f5f4ef;
  --paper-strong: #fbfaf6;
  --ink: #102f50;
  --ink-soft: #496077;
  --line: #9aa8b5;
  --line-light: #d4d9dc;
  --accent: #c33b2f;
  --blue: #0c4f80;
  --max: 1380px;
  --sans: "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", system-ui, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }

a {
  color: inherit;
  text-decoration-color: transparent;
  text-underline-offset: 0.22em;
  transition: color 160ms ease, text-decoration-color 160ms ease, background-color 160ms ease;
}

a:hover { color: var(--accent); text-decoration-color: currentColor; }

a:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 8px 12px;
  background: var(--ink);
  color: white;
  transform: translateY(-150%);
}

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

.site-header,
.site-footer {
  width: min(calc(100% - 64px), var(--max));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.site-header {
  min-height: 98px;
  border-bottom: 1px solid var(--line);
}

.wordmark {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1.08rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
}

.site-nav { display: flex; gap: clamp(18px, 3vw, 44px); }

.site-nav a {
  position: relative;
  padding: 35px 0 31px;
  font-size: 0.9rem;
  font-weight: 650;
  text-decoration: none;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 3px;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
}

.site-nav a:hover::after,
.site-nav a.is-active::after { transform: scaleX(1); }

.eyebrow,
.field-note,
.release-meta,
.breadcrumb,
.issue,
.article-meta time,
.rail-current time {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow { margin: 0 0 20px; color: var(--accent); }

.home-main {
  width: min(calc(100% - 64px), var(--max));
  margin: 0 auto;
}

.home-intro {
  display: grid;
  grid-template-columns: minmax(160px, 0.7fr) minmax(520px, 2fr) minmax(260px, 1fr);
  gap: 40px;
  align-items: start;
  padding: clamp(90px, 12vw, 170px) 0 clamp(100px, 13vw, 180px);
  border-bottom: 1px solid var(--line);
}

.home-intro .eyebrow { padding-top: 15px; }

.home-intro h1 {
  margin: 0;
  font-size: clamp(3rem, 5vw, 5.25rem);
  line-height: 1.12;
  letter-spacing: -0.055em;
  font-weight: 760;
}

.home-lede {
  margin: 12px 0 0;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.release-section { padding: clamp(80px, 10vw, 140px) 0; }

.section-heading {
  display: grid;
  grid-template-columns: minmax(160px, 0.7fr) minmax(320px, 2fr) minmax(260px, 1fr);
  gap: 40px;
  align-items: end;
  margin-bottom: 50px;
}

.section-heading h2,
.about-section h2 {
  margin: 0;
  font-size: clamp(2rem, 3.8vw, 4.3rem);
  line-height: 1.18;
  letter-spacing: -0.04em;
}

.section-heading p:last-child { margin: 0; color: var(--ink-soft); }

.release-entry {
  display: grid;
  grid-template-columns: minmax(100px, 0.55fr) minmax(360px, 1.45fr) minmax(360px, 1.2fr);
  min-height: 480px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  text-decoration: none;
}

.release-entry > * { padding: 36px; }

.release-number {
  font-family: var(--mono);
  color: var(--accent);
  font-size: clamp(2rem, 4vw, 4rem);
  border-right: 1px solid var(--line-light);
}

.release-copy { display: flex; flex-direction: column; }

.release-meta { display: flex; gap: 20px; color: var(--ink-soft); }

.release-copy h3 {
  margin: auto 0 24px;
  max-width: 14ch;
  font-size: clamp(2rem, 4vw, 4.2rem);
  line-height: 1.16;
  letter-spacing: -0.05em;
}

.release-copy p { max-width: 38rem; margin: 0 0 34px; color: var(--ink-soft); }

.text-link { font-weight: 700; text-decoration: underline; text-underline-offset: 0.28em; }

.release-media {
  margin: 0;
  display: flex;
  align-items: center;
  padding: 24px;
  background: #e8eff5;
}

.release-media img { width: 100%; height: auto; object-fit: contain; }

.about-section {
  display: grid;
  grid-template-columns: minmax(160px, 0.7fr) minmax(520px, 2fr) minmax(260px, 1fr);
  gap: 40px;
  padding: clamp(90px, 12vw, 170px) 0;
  border-top: 1px solid var(--line);
}

.about-section > p:not(.eyebrow) { margin: 8px 0 0; color: var(--ink-soft); }

.about-section .text-link { grid-column: 3; }

.site-footer {
  min-height: 140px;
  border-top: 1px solid var(--line);
  font-size: 0.82rem;
}

.site-footer p { margin: 0; color: var(--ink-soft); }

/* Article */
.article-layout {
  width: min(calc(100% - 64px), var(--max));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 255px minmax(0, 1fr);
}

.release-rail {
  padding: 76px 32px 80px 0;
  border-right: 1px solid var(--line-light);
}

.rail-back { display: inline-block; margin-bottom: 28px; font-weight: 700; }

.rail-current {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 18px 4px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}

.rail-current strong { color: var(--accent); font-family: var(--mono); }

.rail-current span { font-weight: 700; }

.rail-note { margin: 22px 0 0 18px; color: var(--ink-soft); font-size: 0.82rem; }

.article { padding: 75px 0 100px 55px; }

.article-hero {
  display: grid;
  grid-template-columns: 150px minmax(460px, 1fr) 170px;
  gap: clamp(24px, 4vw, 60px);
  align-items: start;
}

.article-meta { padding-top: 75px; font-size: 0.84rem; }

.article-meta p { margin: 0 0 8px; }

.article-meta .issue { color: var(--accent); font-size: 1rem; font-weight: 800; }

.article-meta .field-note { margin-bottom: 16px; }

.article-meta time { display: block; padding-bottom: 24px; border-bottom: 2px solid var(--ink); }

.breadcrumb { margin: 0 0 42px; color: var(--ink-soft); }

.article-title h1 {
  max-width: none;
  margin: 0;
  font-size: clamp(3rem, 4vw, 4.4rem);
  line-height: 1.08;
  letter-spacing: -0.06em;
}

.project-line { margin: 32px 0 0; font-size: 0.9rem; }

.hero-quote {
  margin: 75px 0 0;
  padding: 28px 0;
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 2;
}

.article-intro {
  width: min(680px, calc(100% - 230px));
  margin: 70px 0 64px 190px;
}

.article-intro p { margin: 0 0 20px; }

.article-intro .lead { font-size: 1.15rem; font-weight: 750; }

.project-figure { margin: 0 0 60px 190px; }

.project-figure a {
  display: block;
  padding: 20px;
  background: #e6eef4;
  border: 1px solid var(--line-light);
  text-decoration: none;
}

.project-figure img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; }

.project-figure figcaption { margin-top: 10px; color: var(--ink-soft); font-size: 0.76rem; }

.article-sections { margin-left: 190px; border-top: 1px solid var(--ink); }

.article-row {
  display: grid;
  grid-template-columns: 105px minmax(0, 1fr) 160px;
  gap: 26px;
  padding: 34px 0;
  border-bottom: 1px solid var(--line-light);
}

.article-row h2 { margin: 0; font-size: 1.35rem; line-height: 1.3; }

.article-row p { margin: 0 0 12px; }

.article-row p:last-child { margin-bottom: 0; }

.margin-note { color: var(--ink-soft); font-size: 0.8rem; }

.project-summary {
  margin: 65px 0 0 190px;
  padding-top: 35px;
  border-top: 2px solid var(--ink);
}

.fact-list { display: grid; grid-template-columns: repeat(3, 1fr); }

.fact-list > div {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0 10px;
  padding: 4px 24px;
  border-right: 1px solid var(--line);
}

.fact-list > div:first-child { padding-left: 0; }
.fact-list > div:last-child { border-right: 0; }

.fact-list strong { font-family: var(--mono); font-size: 1.6rem; line-height: 1.2; }

.fact-list span { align-self: center; font-weight: 700; }

.fact-list small { grid-column: 1 / -1; margin-top: 12px; color: var(--ink-soft); line-height: 1.6; }

.project-actions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 38px; }

.button {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 58px;
  padding: 12px 20px;
  border: 1px solid var(--blue);
  font-weight: 750;
  text-align: center;
  text-decoration: none;
}

.button:hover { background: var(--blue); color: white; }

.button-primary { background: var(--blue); color: white; }

.button-primary:hover { background: var(--accent); border-color: var(--accent); }

.license { margin: 24px 0 0; text-align: center; font-family: var(--mono); font-size: 0.76rem; }

.article-footer { width: min(calc(100% - 64px), var(--max)); }

@media (max-width: 1050px) {
  .home-intro,
  .section-heading,
  .about-section { grid-template-columns: 140px minmax(0, 1fr); }
  .home-lede,
  .section-heading p:last-child,
  .about-section > p:not(.eyebrow),
  .about-section .text-link { grid-column: 2; }
  .release-entry { grid-template-columns: 100px minmax(0, 1fr); }
  .release-media { grid-column: 1 / -1; height: 360px; border-top: 1px solid var(--line-light); }
  .article-layout { grid-template-columns: 205px minmax(0, 1fr); }
  .article { padding-left: 36px; }
  .article-hero { grid-template-columns: 120px minmax(0, 1fr); }
  .hero-quote { grid-column: 2; margin-top: 0; }
  .article-intro,
  .project-figure,
  .article-sections,
  .project-summary { width: auto; margin-left: 0; }
}

@media (max-width: 760px) {
  body { font-size: 15px; }
  .site-header,
  .site-footer,
  .home-main,
  .article-layout,
  .article-footer { width: min(calc(100% - 32px), var(--max)); }
  .site-header { min-height: auto; padding: 22px 0 0; flex-wrap: wrap; }
  .site-nav { order: 2; width: 100%; justify-content: space-between; gap: 14px; }
  .site-nav a { padding: 14px 0 13px; font-size: 0.8rem; }
  .home-intro,
  .section-heading,
  .about-section { display: block; }
  .home-intro { padding: 78px 0 90px; }
  .home-intro h1 { font-size: clamp(2.7rem, 13vw, 4.6rem); }
  .home-lede { margin-top: 38px; }
  .section-heading h2 { margin-bottom: 20px; }
  .release-entry { display: block; }
  .release-entry > * { padding: 24px; }
  .release-number { border-right: 0; border-bottom: 1px solid var(--line-light); }
  .release-copy h3 { margin: 70px 0 24px; }
  .release-media { height: 260px; }
  .about-section .text-link { display: inline-block; margin-top: 30px; }
  .site-footer { min-height: 170px; align-items: flex-start; flex-direction: column; justify-content: center; gap: 8px; }
  .article-layout { display: block; }
  .release-rail {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 16px;
    padding: 36px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line-light);
  }
  .rail-back { margin: 0; }
  .rail-current { grid-column: 1 / -1; }
  .rail-note { display: none; }
  .article { padding: 54px 0 80px; }
  .article-hero { display: block; }
  .article-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; padding: 0 0 36px; }
  .article-meta p,
  .article-meta time { margin: 0; }
  .article-meta time { padding: 0; border: 0; }
  .breadcrumb { margin-bottom: 22px; }
  .article-title h1 { font-size: clamp(2.25rem, 9.7vw, 2.6rem); }
  .hero-quote { margin: 45px 0 0; }
  .article-intro { margin-top: 48px; }
  .project-figure { margin-top: 45px; }
  .project-figure a { padding: 10px; }
  .article-row { grid-template-columns: 92px minmax(0, 1fr); gap: 20px; }
  .margin-note { grid-column: 2; }
  .fact-list,
  .project-actions { grid-template-columns: 1fr; }
  .fact-list > div,
  .fact-list > div:first-child {
    padding: 20px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line-light);
  }
  .project-actions { gap: 10px; }
  .article-footer { flex-direction: row; align-items: center; min-height: 120px; }
}

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