:root {
  color-scheme: light;
  --ink: #17211b;
  --muted: #60706a;
  --line: #dbe4df;
  --paper: #fbfcfa;
  --soft: #eef5f2;
  --accent: #1d7a6b;
  --accent-2: #b54630;
  --gold: #d8ad43;
  --white: #ffffff;
  --shadow: 0 18px 48px rgba(23, 33, 27, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
}

code {
  color: var(--accent);
  font-size: 0.95em;
}

.wrap {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  min-height: 62vh;
  display: flex;
  align-items: center;
  background: var(--soft);
  border-bottom: 1px solid var(--line);
}

.hero-copy {
  text-align: center;
}

.hero-copy.centered {
  display: grid;
  justify-items: center;
  padding: 52px 0 40px;
  gap: 18px;
}

.hero-links {
  display: flex;
  gap: 14px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
h4,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(1.45rem, 2.4vw, 2rem);
  line-height: 1.15;
  letter-spacing: 0;
}

h3 {
  margin: 8px 0 0;
  font-size: clamp(1.2rem, 3vw, 1.7rem);
  line-height: 1.2;
}

h4 {
  margin: 0 0 6px;
  font-size: 0.92rem;
}

.subtitle {
  max-width: 640px;
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.6;
}

.hero-links {
  margin: 0;
}

.hero-links a {
  display: inline-flex;
  text-decoration: none;
  color: var(--accent);
  font-weight: 700;
}

.hero-author {
  margin: 0;
  color: var(--muted);
  font-size: 0.97rem;
}

.hero-author.strong {
  color: var(--ink);
  font-weight: 700;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 32px;
}

.links a {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  text-decoration: none;
  font-weight: 700;
}

.hero-panel {
  display: grid;
  grid-template-columns: 86px 1fr;
  gap: 14px 18px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: var(--shadow);
  color: var(--muted);
  font-weight: 700;
}

.stat {
  color: var(--ink);
  font-size: 2rem;
  line-height: 1;
}

.band {
  padding: 72px 0;
}

.soft {
  background: var(--soft);
  border-block: 1px solid var(--line);
}

.prose {
  max-width: 860px;
}

.prose p,
.section-head p {
  color: var(--muted);
  font-size: 1.04rem;
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  align-items: end;
  margin-bottom: 28px;
}

.section-head p {
  max-width: 430px;
  margin: 0;
}

.model-figure {
  margin: 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
  overflow: hidden;
  height: 260px;
}

.model-figure-content,
.model-figure img {
  display: block;
  width: 100%;
  min-height: 520px;
  border: none;
}

.model-figure-content {
  height: 520px;
}

figcaption {
  margin-top: 12px;
  color: var(--muted);
  text-align: center;
}

.samples {
  background: var(--paper);
}

.case {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 10px 34px rgba(23, 33, 27, 0.08);
}

.case + .case {
  margin-top: 28px;
}

.case-title {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 22px;
}

.tag,
.case-id {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(29, 122, 107, 0.11);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
}

.tag.alt {
  background: rgba(181, 70, 48, 0.12);
  color: var(--accent-2);
}

.case-id {
  flex: 0 0 auto;
  background: #f8f2df;
  color: #8b6513;
}

.result-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdfc;
}

.zh {
  color: var(--ink);
  font-size: 1.15rem;
  font-weight: 750;
}

.demo-list {
  display: grid;
  gap: 20px;
}

.meta-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.8fr);
  gap: 12px;
  margin-bottom: 18px;
}

.meta-strip > div {
  min-height: 78px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdfc;
}

.meta-strip strong,
.meta-strip span {
  display: block;
}

.meta-strip strong {
  margin-bottom: 6px;
  font-size: 0.82rem;
  color: var(--muted);
}

.meta-strip span {
  font-weight: 750;
}

.results {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.result-card {
  min-height: 120px;
  padding: 16px;
}

.result-card > span {
  display: block;
  margin-bottom: 10px;
  font-weight: 850;
}

.result-card.highlight {
  border-color: rgba(29, 122, 107, 0.42);
  background: rgba(29, 122, 107, 0.07);
}

.missing {
  display: flex !important;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  border: 1px dashed #cbd8d2;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 750 !important;
}

audio {
  width: 100%;
  max-width: 100%;
  height: 36px;
}

.model-figure {
  margin: 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
  overflow: hidden;
  height: 260px;
}

.model-figure-content,
.model-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border: none;
}
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  justify-content: space-between;
}

.footer strong {
  color: var(--ink);
}

@media (max-width: 900px) {
  .hero {
    min-height: auto;
  }

  .hero-grid,
  .section-head,
  .case-title {
    grid-template-columns: 1fr;
    display: grid;
  }

  .hero-panel {
    max-width: 360px;
  }

  .meta-strip,
  .results {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .wrap {
    width: min(100% - 24px, 1120px);
  }

  .hero-grid {
    padding: 52px 0 40px;
    gap: 32px;
  }

  .band {
    padding: 48px 0;
  }

  .case,
  .model-figure {
    padding: 18px;
  }

  .links a {
    width: 100%;
    justify-content: center;
  }
}