:root {
  --ink: #14211e;
  --muted: #3e4c48;
  --paper: #efe8dc;
  --paper-2: #e6dfd0;
  --line: rgba(20, 33, 30, 0.14);
  --deep: #10211e;
  --coral: #8f3b2e;
  --serif: Fraunces, "Iowan Old Style", Palatino, "Palatino Linotype", "Songti SC", "STSong", "SimSun", serif;
  --sans: Outfit, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  font-weight: 400;
}

h1, h2, h3,
.row-name,
.visual-latin,
.contact-list dd,
.facts dd,
.pager strong {
  font-family: var(--serif);
}

h1, h2, h3 { font-weight: 500; letter-spacing: -0.03em; }

h3 { margin: 0; }

p { text-wrap: pretty; }

button, input, textarea { font: inherit; color: inherit; }

button { cursor: pointer; }

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

a { color: inherit; }

::selection { background: var(--deep); color: var(--paper); }

:focus-visible { outline: 2px solid var(--coral); outline-offset: 3px; }

#main:focus { outline: none; }

[hidden] { display: none !important; }

.wrap { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }

.skip {
  position: absolute;
  left: 12px;
  top: -48px;
  z-index: 80;
  background: var(--deep);
  color: var(--paper);
  padding: 8px 12px;
  text-decoration: none;
}

.skip:focus { top: 12px; }

.kicker {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

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

.lede { max-width: 40rem; margin: 18px 0 0; font-size: 18px; line-height: 1.6; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.bar {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 74px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-right: auto;
  min-width: 0;
  color: inherit;
  text-decoration: none;
}

.logo { width: 42px; height: 42px; flex: none; }

.brand-name {
  display: block;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  line-height: 1.2;
}

.brand-sub {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.nav { display: flex; align-items: center; gap: 22px; }

.nav a { color: inherit; text-decoration: none; font-size: 15px; }

.nav a[aria-current="page"] { box-shadow: inset 0 -1px 0 currentColor; }

.lang { display: flex; align-items: center; gap: 2px; }

.lang button {
  padding: 6px 8px;
  background: none;
  border: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
}

.lang button[aria-pressed="true"] { box-shadow: inset 0 -1px 0 currentColor; }

.menu-btn {
  display: none;
  align-items: center;
  min-height: 40px;
  padding: 8px 12px;
  background: none;
  border: 1px solid var(--line);
}

a.btn, button.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 16px;
  background: var(--deep);
  color: var(--paper);
  border: 1px solid var(--deep);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

a.btn.light, button.btn.light {
  background: transparent;
  color: var(--ink);
}

a.btn:hover, button.btn:hover {
  background: var(--coral);
  border-color: var(--coral);
  color: #fff;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(280px, 0.88fr);
  gap: 40px;
  align-items: stretch;
  padding: 48px 0 40px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(56px, 6.4vw, 92px);
  line-height: 0.92;
  font-weight: 500;
}

.hero h1 span { display: block; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }

.index-panel {
  background: var(--deep);
  color: var(--paper);
  padding: 20px 22px 12px;
}

.idx-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 8px;
  color: rgba(239, 232, 220, 0.72);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.idx-head span:first-child {
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: 0;
  color: var(--paper);
}

.index-list { list-style: none; margin: 0; padding: 0; }

.index-list a {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr) auto;
  gap: 10px;
  align-items: baseline;
  padding: 10px 0;
  border-top: 1px solid rgba(239, 232, 220, 0.16);
  color: inherit;
  text-decoration: none;
}

.index-list li:last-child a { border-bottom: 1px solid rgba(239, 232, 220, 0.16); }

.index-list a:hover .idx-name { color: #f0c2b6; }

.idx-no { color: #e7b2a4; font-size: 12px; letter-spacing: 0.08em; font-variant-numeric: tabular-nums; }

.idx-name { font-size: 15px; }

.idx-origin { color: rgba(239, 232, 220, 0.72); font-size: 12px; text-align: right; }

.origin-rail {
  display: flex;
  overflow-x: auto;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  scrollbar-width: none;
}

.origin-rail::-webkit-scrollbar { display: none; }

.origin-rail button {
  flex: 1 0 140px;
  padding: 18px 16px;
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  text-align: left;
  font-size: 15px;
}

.origin-rail button:last-child { border-right: 0; }

.origin-rail button.is-on { background: var(--deep); color: var(--paper); }

.section { padding: 88px 0; }

#products, #about, #contact { scroll-margin-top: 86px; }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 18px;
}

h2 {
  margin: 0;
  font-size: clamp(36px, 4.4vw, 60px);
  line-height: 0.98;
}

.catalog-count { margin: 12px 0 0; color: var(--muted); font-size: 14px; }

.filter-bar { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; }

.filters { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }

.filters button {
  border: 1px solid var(--line);
  background: transparent;
  padding: 8px 12px;
  font-size: 14px;
}

.filters button.is-on {
  background: var(--deep);
  border-color: var(--deep);
  color: var(--paper);
}

.text-btn {
  border: 0;
  background: none;
  padding: 0;
  color: var(--coral);
  font-size: 14px;
}

#catalog { border-top: 1px solid var(--line); }

.row {
  display: grid;
  grid-template-columns: 124px minmax(0, 1fr) auto;
  gap: 22px;
  align-items: center;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  color: inherit;
  text-decoration: none;
}

.row:hover { background: rgba(255, 255, 255, 0.45); }

.row:hover .row-go { transform: translateX(4px); }

.row-kicker {
  display: block;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.row-name {
  margin: 4px 0 0;
  font-size: clamp(26px, 2.6vw, 34px);
  line-height: 1.05;
  font-weight: 500;
}

.row-sub, .row-latin, .row-summary { display: block; }

.row-sub { margin-top: 4px; color: var(--muted); }

.row-latin { margin-top: 2px; color: var(--muted); font-size: 14px; font-style: italic; }

.row-summary { margin-top: 8px; max-width: 62ch; font-size: 15px; line-height: 1.5; }

.row-go { display: inline-block; transition: transform 160ms ease; }

.visual {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  color: #f6f1e8;
  background: var(--deep);
}

.row .visual { width: 100%; }

.visual[data-cat="shrimp"] { background: #8d3d30; }
.visual[data-cat="lobster"] { background: #5c302c; }
.visual[data-cat="fish"] { background: #1a3c36; }
.visual[data-cat="crab"] { background: #745636; }

.visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  z-index: 1;
  transition: opacity 240ms ease;
}

.visual img.is-ready { opacity: 1; }

.visual-latin {
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 10px;
  margin: 0;
  font-size: 15px;
  line-height: 0.95;
  letter-spacing: -0.03em;
}

.visual-latin span { display: block; }

.visual-latin span:first-child:not(.plain) { font-style: italic; }

.visual-no {
  position: absolute;
  top: 10px;
  left: 10px;
  font-size: 11px;
  letter-spacing: 0.14em;
  font-variant-numeric: tabular-nums;
}

.visual[data-large] .visual-latin {
  left: 22px;
  right: 22px;
  bottom: 22px;
  font-size: clamp(36px, 4vw, 64px);
}

.visual[data-large] .visual-no { top: 18px; left: 22px; font-size: 13px; }

.empty { padding: 28px 0; }

.band { background: var(--deep); color: var(--paper); padding: 88px 0; }

.band .kicker { color: rgba(239, 232, 220, 0.72); }

.band h2 { max-width: 16ch; margin-bottom: 8px; }

.steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 28px 0 0;
  padding: 0;
  border-top: 1px solid rgba(239, 232, 220, 0.22);
}

.steps li {
  min-height: 190px;
  padding: 22px 22px 8px 0;
  border-right: 1px solid rgba(239, 232, 220, 0.22);
}

.steps li:last-child { border-right: 0; }

.steps .num {
  color: #e7b2a4;
  font-size: 12px;
  letter-spacing: 0.14em;
  font-variant-numeric: tabular-nums;
}

.steps h3 { margin: 16px 0 8px; font-size: 28px; line-height: 1.1; }

.steps p { margin: 0; color: rgba(239, 232, 220, 0.88); font-size: 15px; line-height: 1.55; }

.about-grid {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 64px;
  align-items: end;
}

.about-grid h2 { font-size: clamp(34px, 3.6vw, 52px); }

.about-grid h2 span { display: block; white-space: nowrap; }

.about-copy p { max-width: 38em; margin: 0; word-break: keep-all; }

.about-points {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 56px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.about-points li {
  padding: 22px 28px 4px 0;
  border-right: 1px solid var(--line);
}

.about-points li:last-child { border-right: 0; }

.about-points .num {
  color: var(--coral);
  font-size: 12px;
  letter-spacing: 0.14em;
  font-variant-numeric: tabular-nums;
}

.about-points h3 { margin: 14px 0 8px; font-size: 26px; line-height: 1.15; }

.about-points p { margin: 0; font-size: 15px; line-height: 1.55; word-break: keep-all; }

.facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin: 28px 0 0;
}

.facts div { border-top: 1px solid var(--line); padding-top: 12px; }

.facts dt { color: var(--muted); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; }

.facts dd {
  margin: 8px 0 0;
  font-size: 42px;
  line-height: 1;
  letter-spacing: -0.03em;
}

.facts .fact-text {
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.45;
  letter-spacing: 0;
  max-width: 22ch;
}

.contact-section { background: var(--paper-2); padding: 88px 0; }

html[lang="zh-Hans"] .contact-section h2 { max-width: 4.2em; }

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: 56px;
  align-items: start;
}

.contact-list { margin: 28px 0; }

.contact-list div { padding: 12px 0 14px; border-top: 1px solid var(--line); }

.contact-list dt {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-list dd {
  margin: 4px 0 0;
  font-size: 22px;
  line-height: 1.25;
  letter-spacing: -0.02em;
  overflow-wrap: anywhere;
}

.contact-list a { text-decoration: none; }

.contact-list a:hover { color: var(--coral); }

.copy {
  margin-left: 8px;
  padding: 0;
  border: 0;
  background: none;
  color: var(--coral);
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  vertical-align: middle;
}

.points { list-style: none; margin: 0 0 8px; padding: 0; }

.points li { position: relative; margin: 8px 0; padding-left: 16px; }

.points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  background: var(--coral);
}

.field { display: block; margin: 0 0 16px; }

.field span, .picker legend {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.field input, .field textarea {
  width: 100%;
  padding: 10px 0;
  border: 0;
  border-bottom: 1px solid rgba(20, 33, 30, 0.28);
  border-radius: 0;
  background: transparent;
  outline: none;
}

.field textarea { min-height: 120px; resize: vertical; }

.field input:focus, .field textarea:focus { border-bottom-color: var(--coral); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.picker {
  max-height: 240px;
  margin: 6px 0 18px;
  padding: 0;
  overflow: auto;
  border: 0;
}

.picker label {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
}

.picker input { margin-top: 5px; accent-color: var(--coral); }

.picker small { display: block; color: var(--muted); font-size: 12px; }

.form-note { max-width: 46ch; margin: 10px 0 0; color: var(--muted); font-size: 13px; }

.status { min-height: 1.4em; margin: 8px 0 0; color: var(--coral); font-size: 14px; }

.detail {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 48px;
  align-items: start;
  padding: 36px 0 80px;
}

.detail-copy { position: sticky; top: 96px; }

.detail h1 {
  margin: 8px 0;
  font-size: clamp(42px, 4.6vw, 68px);
  line-height: 0.96;
}

.back { margin: 0 0 16px; }

.back a { font-size: 14px; text-decoration: none; }

.back a:hover { color: var(--coral); }

.detail-sub { margin: 0; color: var(--muted); font-size: 18px; }

.detail-lead { margin: 14px 0; font-size: 20px; line-height: 1.45; }

.detail-body { max-width: 58ch; margin: 0; }

.spec { margin: 22px 0; }

.spec div {
  display: grid;
  grid-template-columns: 9.5rem minmax(0, 1fr);
  gap: 12px;
  padding: 11px 0;
  border-top: 1px solid var(--line);
}

.spec div:last-child { border-bottom: 1px solid var(--line); }

.spec dt { color: var(--muted); font-size: 13px; }

.spec dd { margin: 0; }

.points-title { margin-top: 22px; }

.detail-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }

.pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 36px;
}

.pager a {
  display: block;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: inherit;
  text-decoration: none;
}

.pager span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.pager strong {
  display: block;
  margin-top: 6px;
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.pager .next { text-align: right; }

.missing { padding: 80px 0 100px; }

.missing .btn { margin-top: 8px; }

.footer { background: var(--deep); color: var(--paper); padding: 48px 0 28px; }

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 24px;
}

.footer-tag { margin: 8px 0 0; color: rgba(239, 232, 220, 0.74); }

.footer-nav a, .footer-nav span { display: block; padding: 4px 0; text-decoration: none; overflow-wrap: anywhere; }

.footer a:hover { color: #f0c2b6; }

.fine { margin: 28px 0 0; color: rgba(239, 232, 220, 0.68); font-size: 13px; }

.noscript { padding: 24px; }

html[lang="zh-Hans"] .hero h1 {
  font-size: clamp(48px, 6vw, 78px);
  line-height: 1.12;
  letter-spacing: 0;
}

html[lang="zh-Hans"] h2,
html[lang="zh-Hans"] .detail h1,
html[lang="zh-Hans"] .row-name,
html[lang="zh-Hans"] .steps h3,
html[lang="zh-Hans"] .about-points h3 {
  letter-spacing: 0;
  line-height: 1.2;
}

html[lang="zh-Hans"] .brand-text .brand-name {
  font-size: 16px;
  letter-spacing: 0.08em;
  text-transform: none;
}

html[lang="zh-Hans"] .kicker,
html[lang="zh-Hans"] .row-kicker,
html[lang="zh-Hans"] .idx-head,
html[lang="zh-Hans"] .facts dt,
html[lang="zh-Hans"] .contact-list dt,
html[lang="zh-Hans"] .field span,
html[lang="zh-Hans"] .picker legend,
html[lang="zh-Hans"] .pager span,
html[lang="zh-Hans"] .copy,
html[lang="zh-Hans"] a.btn,
html[lang="zh-Hans"] button.btn {
  letter-spacing: 0.02em;
  text-transform: none;
}

html[lang="zh-Hans"] a.btn,
html[lang="zh-Hans"] button.btn { font-size: 15px; }

@media (max-width: 980px) {
  .hero,
  .about-grid,
  .contact-grid,
  .detail,
  .footer-grid { grid-template-columns: 1fr; }

  .about-grid { align-items: start; }
  .about-points { grid-template-columns: 1fr 1fr; }
  .about-points li {
    padding-bottom: 22px;
    border-bottom: 1px solid var(--line);
  }
  .about-points li:nth-child(2n) { border-right: 0; }

  .detail { padding-top: 24px; }
  .detail-copy { position: static; }
  .detail .visual { aspect-ratio: 5 / 4; }
  .steps { grid-template-columns: 1fr 1fr; }
  .steps li {
    min-height: 0;
    padding-bottom: 22px;
    border-bottom: 1px solid rgba(239, 232, 220, 0.22);
  }
  .steps li:nth-child(2n) { border-right: 0; }
  .band h2 { max-width: none; }
}

@media (max-width: 860px) {
  .menu-btn { display: inline-flex; }
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 20px 20px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
  }
  body.menu-open .nav { display: flex; }
  .nav a { padding: 12px 0; font-size: 18px; }
  .nav a.btn { margin-top: 8px; }
}

@media (max-width: 640px) {
  .wrap { width: min(1160px, calc(100% - 28px)); }
  .section, .band, .contact-section { padding: 56px 0; }
  .hero { padding: 28px 0 20px; }
  .steps { grid-template-columns: 1fr; }
  .steps li { border-right: 0; }
  .about-points { grid-template-columns: 1fr; }
  .about-points li { border-right: 0; }
  .form-row, .pager, .facts { grid-template-columns: 1fr; }
  .facts div:last-child { grid-column: auto; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .filter-bar, .filters { align-items: flex-start; justify-content: flex-start; }
  .row { grid-template-columns: 88px minmax(0, 1fr); gap: 12px; }
  .row-go { display: none; }
  .spec div { grid-template-columns: 1fr; gap: 2px; }
  .pager .next { text-align: left; }
  .contact-list dd { font-size: 18px; }
}

@media (max-width: 420px) {
  .brand-sub { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}

@media print {
  .site-header, .footer, .origin-rail, .filters, .text-btn, .hero-actions, .detail-actions, .form-note, form, .menu-btn, .lang, .skip {
    display: none !important;
  }
  body, .band, .contact-section, .footer { background: #fff; color: #000; }
  .steps p, .idx-origin { color: #000; }
  .index-panel { background: #fff; color: #000; border: 1px solid #000; }
}