:root {
  color-scheme: light;
  --paper: oklch(95% 0.006 92);
  --surface: oklch(98% 0.004 92);
  --surface-warm: oklch(91% 0.012 85);
  --ink: oklch(19% 0.012 84);
  --muted: oklch(43% 0.012 84);
  --quiet: oklch(58% 0.012 84);
  --line: oklch(79% 0.01 86);
  --line-strong: oklch(66% 0.014 82);
  --accent: oklch(47% 0.108 34);
  --accent-dark: oklch(28% 0.055 32);
  --gold: oklch(66% 0.062 80);
  --green: oklch(33% 0.046 158);
  --shadow: oklch(28% 0.018 84 / 0.09);
  --max: 1040px;
  --gutter: clamp(1rem, 4vw, 4.5rem);
  --radius: 8px;
  --font-body: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", "Segoe UI", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.68;
  text-rendering: geometricPrecision;
  -webkit-font-smoothing: antialiased;
}

body::selection {
  color: var(--surface);
  background: var(--accent-dark);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.site-header {
  position: sticky;
  z-index: 10;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 64px;
  padding: 0 var(--gutter);
  border-bottom: 1px solid var(--line);
  background: oklch(98% 0.004 92 / 0.94);
  backdrop-filter: blur(10px);
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.75rem;
  min-width: 0;
}

.brand-word {
  font-size: 1.18rem;
  font-weight: 850;
  letter-spacing: 0;
  white-space: nowrap;
}

.brand-note {
  color: var(--quiet);
  font-size: 0.84rem;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.nav-links a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 0.75rem;
  border-radius: var(--radius);
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--ink);
  background: oklch(90% 0.02 82);
  outline: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(300px, 380px);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: center;
  width: min(calc(var(--max) + var(--gutter) * 2), 100%);
  min-height: auto;
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 5.25rem) var(--gutter) clamp(2.75rem, 6vw, 4.75rem);
}

.hero-panel {
  max-width: 650px;
}

.sale-status,
.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0;
}

.sale-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 32px;
  padding: 0 0.72rem;
  border: 1px solid oklch(73% 0.04 48);
  border-radius: var(--radius);
  background: oklch(95% 0.018 65);
}

.sale-status::before {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--accent);
}

.hero h1,
.section h2,
.asset-table dd,
.process-list h3 {
  margin: 0;
  line-height: 1.08;
  letter-spacing: 0;
  text-wrap: balance;
}

.hero h1 {
  font-size: 4.25rem;
  font-weight: 880;
}

.hero-lede {
  max-width: 560px;
  margin: 1.1rem 0 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.78;
  text-wrap: pretty;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.72rem 0.95rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 760;
  letter-spacing: 0;
  transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  outline: none;
}

.button-primary {
  color: oklch(98% 0.006 87);
  background: var(--ink);
  box-shadow: 0 0.7rem 1.4rem var(--shadow);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--accent-dark);
}

.button-secondary {
  color: var(--ink);
  border-color: var(--line);
  background: var(--surface);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: var(--line-strong);
  background: oklch(96% 0.014 78);
}

.hero-facts {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 1rem 2.2rem var(--shadow);
}

.hero-facts > p {
  margin: 0;
  padding: 0.85rem 1rem;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  font-size: 0.92rem;
  font-weight: 760;
}

.hero-facts dl {
  margin: 0;
}

.hero-facts div {
  display: grid;
  grid-template-columns: 5rem minmax(0, 1fr);
  gap: 1rem;
  padding: 1.05rem 1.1rem;
}

.hero-facts div + div {
  border-top: 1px solid var(--line);
}

.hero-facts dt {
  color: var(--quiet);
  font-size: 0.9rem;
}

.hero-facts dd {
  margin: 0;
  font-weight: 750;
  overflow-wrap: anywhere;
}

.hero-facts a,
.inquiry-copy a,
.site-footer a {
  color: var(--accent-dark);
  font-weight: 800;
  text-decoration: underline;
  text-decoration-color: oklch(70% 0.085 82 / 0.65);
  text-underline-offset: 0.18em;
}

.section {
  padding: clamp(3.2rem, 7vw, 5.75rem) var(--gutter);
  border-top: 1px solid var(--line);
}

.asset-section {
  padding-top: clamp(2.5rem, 5vw, 4rem);
  background: var(--surface);
}

.section-heading,
.asset-table,
.process-list,
.inquiry-layout {
  width: min(var(--max), 100%);
  margin-inline: auto;
}

.section-heading {
  margin-bottom: clamp(1.4rem, 4vw, 2.4rem);
}

.section-heading.narrow {
  max-width: 820px;
}

.section h2 {
  max-width: 14ch;
  font-size: 2.45rem;
  font-weight: 840;
}

.asset-table {
  display: block;
  max-width: 920px;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.asset-table div {
  display: grid;
  grid-template-columns: minmax(8rem, 0.32fr) minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 2rem);
  padding: 1rem 0;
}

.asset-table div + div {
  border-top: 1px solid var(--line);
}

.asset-table dt {
  color: var(--quiet);
  font-size: 0.92rem;
}

.asset-table dd {
  margin: 0;
  color: var(--ink);
  line-height: 1.65;
  overflow-wrap: anywhere;
}

.asset-table a {
  color: var(--accent-dark);
  text-decoration: underline;
  text-decoration-color: oklch(65% 0.062 80 / 0.65);
  text-underline-offset: 0.18em;
}

.process-list h3 {
  font-size: 1.35rem;
  font-weight: 820;
}

.process-list p,
.inquiry-copy p,
.form-status {
  color: var(--muted);
  text-wrap: pretty;
}

.process-list p {
  margin: 0.65rem 0 0;
}

.process-section {
  background: var(--paper);
}

.process-list {
  display: grid;
  gap: 0;
  max-width: 920px;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-strong);
}

.process-list li {
  display: grid;
  grid-template-columns: 4rem minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 2rem);
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--line);
}

.process-list span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.3rem;
  height: 2.3rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--green);
  background: transparent;
  font-weight: 850;
  font-variant-numeric: tabular-nums;
}

.contact-section {
  background: oklch(18% 0.012 84);
  color: var(--surface);
}

.contact-card {
  width: min(var(--max), 100%);
  margin-inline: auto;
  text-align: center;
}

.contact-card .eyebrow {
  color: var(--gold);
}

.contact-card h2 {
  max-width: none;
  margin-inline: auto;
  color: var(--surface);
}

.contact-lede {
  max-width: 38ch;
  margin: 1.2rem auto 0;
  color: oklch(84% 0.011 87);
  text-wrap: pretty;
}

.contact-email {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  margin-top: 2rem;
  padding: 0.85rem 1.6rem;
  color: var(--ink);
  border-radius: var(--radius);
  background: var(--gold);
  font-size: clamp(1.1rem, 3vw, 1.45rem);
  font-weight: 800;
  letter-spacing: 0.01em;
  overflow-wrap: anywhere;
  transition: transform 180ms ease, background-color 180ms ease;
}

.contact-email:hover,
.contact-email:focus-visible {
  transform: translateY(-2px);
  background: oklch(77% 0.092 82);
  outline: none;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.3rem var(--gutter) max(1.3rem, env(safe-area-inset-bottom));
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: var(--surface);
  font-size: 0.94rem;
}

@media (min-width: 760px) {
  .hero h1 {
    font-size: 6rem;
  }

  .section h2 {
    font-size: 3.3rem;
  }
}

@media (min-width: 1120px) {
  .hero h1 {
    font-size: 7.3rem;
  }

  .hero-lede {
    font-size: 1.16rem;
  }

  .section h2 {
    font-size: 3.75rem;
  }
}

@media (max-width: 880px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero {
    align-items: start;
    min-height: auto;
  }

  .hero-facts {
    max-width: 520px;
  }

  .asset-table div {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }
}

@media (max-width: 620px) {
  .site-header {
    min-height: 64px;
  }

  .nav-links {
    justify-content: flex-end;
    font-size: 0.9rem;
  }

  .nav-links a {
    padding-inline: 0.55rem;
  }

  .hero h1 {
    font-size: 3.6rem;
  }

  .section h2 {
    font-size: 2.05rem;
  }

  .process-list li {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }

  .site-footer {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }
}