:root {
  --ink: #111820;
  --muted: #66717d;
  --line: #e4e8eb;
  --paper: #fbfbf8;
  --white: #ffffff;
  --soft: #f2f5f4;
  --deep: #102333;
  --gold: #a87d3c;
  --sea: #0d6973;
  --shadow: 0 24px 70px rgba(17, 24, 32, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
  line-height: 1.65;
}

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

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 30;
  display: flex;
  width: 100%;
  height: 76px;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(20px, 5vw, 76px);
  color: var(--ink);
  transition:
    background 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  border-bottom: 1px solid var(--line);
  background: rgba(251, 251, 248, 0.9);
  box-shadow: 0 12px 34px rgba(17, 24, 32, 0.06);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: 178px;
  min-width: 0;
}

.brand-logo {
  width: 100%;
  height: auto;
  max-height: 48px;
  object-fit: contain;
  object-position: left center;
}

.desktop-nav {
  display: flex;
  gap: 24px;
  font-size: 14px;
}

.desktop-nav a {
  color: rgba(17, 24, 32, 0.74);
}

.desktop-nav a:hover {
  color: var(--ink);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  background: transparent;
  color: inherit;
}

.nav-toggle span {
  display: block;
  width: 16px;
  height: 1px;
  background: currentColor;
}

.nav-toggle span + span {
  margin-top: 5px;
}

.mobile-nav {
  position: absolute;
  top: 76px;
  right: 20px;
  display: none;
  min-width: 190px;
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: var(--shadow);
}

.mobile-nav a {
  display: block;
  padding: 14px 18px;
  font-size: 15px;
}

.hero {
  position: relative;
  min-height: 88vh;
  overflow: hidden;
  background: #eef0ed;
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 65% center;
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(251, 251, 248, 0.98) 0%, rgba(251, 251, 248, 0.88) 40%, rgba(251, 251, 248, 0.2) 72%, rgba(251, 251, 248, 0.04) 100%),
    linear-gradient(0deg, rgba(251, 251, 248, 0.85), rgba(251, 251, 248, 0) 34%);
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 88vh;
  width: min(720px, 100%);
  flex-direction: column;
  justify-content: center;
  padding: 120px clamp(20px, 5vw, 76px) 100px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(76px, 12vw, 150px);
  font-weight: 520;
  line-height: 0.95;
}

.hero-en {
  margin: 18px 0 0;
  color: var(--deep);
  font-size: clamp(28px, 5vw, 64px);
  font-weight: 700;
  line-height: 1;
}

.hero-copy {
  max-width: 520px;
  margin: 34px 0 0;
  color: #33414b;
  font-size: clamp(18px, 2vw, 23px);
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.hero-tags span {
  padding: 8px 12px;
  border: 1px solid rgba(17, 24, 32, 0.16);
  background: rgba(255, 255, 255, 0.48);
  color: #273541;
  font-size: 13px;
  font-weight: 700;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 1px solid var(--ink);
  font-weight: 700;
}

.button.primary {
  background: var(--ink);
  color: #fff;
}

.button.secondary,
.line-button {
  background: rgba(255, 255, 255, 0.34);
  color: var(--ink);
}

.dark-button {
  border-color: var(--deep);
  background: var(--deep);
}

.hero-meta {
  position: absolute;
  right: clamp(20px, 5vw, 76px);
  bottom: 34px;
  z-index: 1;
  display: flex;
  gap: 18px;
  color: #4b5862;
  font-size: 13px;
}

.statement {
  padding: 70px clamp(20px, 10vw, 150px);
  background: var(--white);
}

.statement p {
  max-width: 1080px;
  margin: 0;
  font-size: clamp(26px, 4.2vw, 52px);
  font-weight: 520;
  line-height: 1.16;
}

.quick-entry {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #f6f7f4;
}

.quick-entry a {
  min-height: 138px;
  padding: 28px clamp(20px, 5vw, 76px);
  border-right: 1px solid var(--line);
}

.quick-entry a:last-child {
  border-right: 0;
}

.quick-entry strong,
.quick-entry span {
  display: block;
}

.quick-entry strong {
  font-size: 22px;
  font-weight: 560;
}

.quick-entry span {
  margin-top: 12px;
  color: var(--muted);
}

.section {
  padding: 104px clamp(20px, 5vw, 76px);
}

.split {
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(34px, 7vw, 110px);
  align-items: start;
}

.section-title {
  max-width: 760px;
}

.section-title.centered {
  margin: 0 auto 46px;
  text-align: center;
}

h2 {
  margin: 0;
  font-size: clamp(34px, 5vw, 64px);
  font-weight: 520;
  line-height: 1.12;
}

.section-title p:last-child,
.product-card span,
.series-list p,
.quality-copy p,
address {
  color: var(--muted);
}

.series-list {
  display: grid;
  border-top: 1px solid var(--line);
}

.series-list article {
  display: grid;
  grid-template-columns: 64px 0.7fr 1fr;
  gap: 22px;
  align-items: baseline;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.series-list span,
.quality-points span {
  color: var(--gold);
  font-size: 13px;
  font-weight: 700;
}

.series-list h3,
.product-card h3,
.quality-points h3 {
  margin: 0;
  font-size: 22px;
  font-weight: 560;
  line-height: 1.25;
}

.series-list p {
  margin: 0;
}

.platters {
  background: #f7f3ec;
}

.platter-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.platter-card {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(260px, 0.92fr);
  min-height: 420px;
  border: 1px solid rgba(168, 125, 60, 0.28);
  background: var(--white);
}

.platter-card img {
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
}

.platter-card div {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 34px;
}

.platter-card p {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 700;
}

.platter-card h3 {
  margin: 0;
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 560;
  line-height: 1.14;
}

.platter-card span {
  display: block;
  margin-top: 18px;
  color: var(--muted);
}

.platter-card a {
  display: inline-flex;
  width: fit-content;
  margin-top: 30px;
  color: var(--sea);
  font-weight: 700;
}

.gallery {
  background: var(--white);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.product-sync-note {
  width: fit-content;
  margin: -18px auto 28px;
  padding: 8px 12px;
  border: 1px solid rgba(13, 105, 115, 0.18);
  color: var(--sea);
  font-size: 13px;
  font-weight: 700;
}

.product-card {
  border: 1px solid var(--line);
  background: var(--white);
}

.product-card.large {
  grid-column: span 2;
  grid-row: span 2;
}

.product-card.wide {
  grid-column: span 2;
}

.product-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: center;
  background: var(--soft);
}

.product-card.large img {
  aspect-ratio: 1 / 1;
}

.product-card.wide img {
  aspect-ratio: 1 / 1;
}

.product-card div {
  display: flex;
  min-height: 226px;
  flex-direction: column;
  padding: 20px;
}

.product-card p {
  margin: 0 0 8px;
  color: var(--sea);
  font-size: 13px;
  font-weight: 700;
}

.product-card span {
  display: block;
  margin-top: 8px;
  font-size: 14px;
}

.product-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.product-meta li {
  padding: 5px 9px;
  border: 1px solid var(--line);
  color: #46535d;
  font-size: 12px;
  line-height: 1.2;
}

.product-link {
  display: inline-flex;
  width: fit-content;
  margin-top: auto;
  padding-top: 20px;
  color: var(--sea);
  font-size: 14px;
  font-weight: 700;
}

.catalog {
  background:
    linear-gradient(180deg, #f7f3ec 0%, #fbfbf8 100%);
}

.catalog-intro {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 30px;
}

.catalog-intro article {
  min-height: 188px;
  padding: 24px;
  border: 1px solid rgba(168, 125, 60, 0.22);
  background: rgba(255, 253, 248, 0.72);
}

.catalog-intro span {
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
}

.catalog-intro strong {
  display: block;
  margin-top: 42px;
  font-size: 22px;
  font-weight: 560;
}

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

.catalog-shell {
  min-height: 520px;
  border: 1px solid rgba(168, 125, 60, 0.22);
  background: var(--white);
  box-shadow: 0 22px 64px rgba(17, 24, 32, 0.07);
}

.catalog-state {
  grid-column: 1 / -1;
  padding: 34px;
  color: var(--muted);
  text-align: center;
}

.catalog-menu {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 20px 22px;
  border-bottom: 1px solid var(--line);
  background: #fffdf8;
}

.catalog-menu button {
  display: grid;
  gap: 4px;
  min-width: 148px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.catalog-menu button.is-active {
  border-color: var(--deep);
  color: var(--ink);
  background: var(--white);
}

.catalog-menu strong {
  font-size: 16px;
  font-weight: 700;
}

.catalog-menu span {
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
}

.catalog-panel {
  padding: clamp(22px, 3vw, 38px);
}

.catalog-heading {
  display: grid;
  grid-template-columns: minmax(240px, 0.72fr) minmax(280px, 1fr);
  gap: clamp(22px, 4vw, 56px);
  align-items: end;
  margin-bottom: 28px;
}

.catalog-heading h3 {
  margin: 0;
  font-size: clamp(34px, 4vw, 62px);
  font-weight: 560;
  line-height: 1.1;
}

.catalog-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

.catalog-products {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.catalog-item {
  border: 1px solid var(--line);
  background: var(--white);
  transition:
    border-color 160ms ease,
    transform 160ms ease,
    box-shadow 160ms ease;
}

.catalog-item:hover {
  transform: translateY(-2px);
  border-color: rgba(168, 125, 60, 0.34);
  box-shadow: 0 16px 42px rgba(17, 24, 32, 0.08);
}

.catalog-item img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  object-position: center;
  background: var(--soft);
}

.catalog-item-body {
  display: grid;
  gap: 10px;
  padding: 18px;
}

.catalog-item-body span {
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
}

.catalog-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.catalog-labels b {
  padding: 4px 8px;
  border: 1px solid var(--line);
  color: #52606b;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.2;
}

.catalog-item h4 {
  margin: 0;
  font-size: 18px;
  font-weight: 560;
  line-height: 1.32;
}

.catalog-item p {
  display: -webkit-box;
  min-height: 46px;
  margin: 0;
  overflow: hidden;
  color: var(--muted);
  font-size: 14px;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.catalog-item a {
  color: var(--sea);
  font-size: 14px;
  font-weight: 700;
}

.quality {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(34px, 7vw, 110px);
  background: var(--deep);
  color: var(--white);
}

.quality-copy p {
  max-width: 640px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.68);
}

.quality-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255, 255, 255, 0.18);
}

.quality-points article {
  min-height: 190px;
  padding: 26px;
  background: var(--deep);
}

.quality-points h3 {
  margin-top: 58px;
  color: #fff;
}

.buying-guide {
  background: #f8f8f3;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--line);
  background: var(--white);
}

.guide-grid article {
  min-height: 300px;
  padding: 34px;
  border-right: 1px solid var(--line);
}

.guide-grid article:last-child {
  border-right: 0;
}

.guide-grid span {
  display: inline-flex;
  margin-bottom: 62px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
}

.guide-grid h3 {
  margin: 0;
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 560;
  line-height: 1.16;
}

.guide-grid p {
  margin: 18px 0 0;
  color: var(--muted);
}

.guide-grid strong,
.guide-grid a {
  display: inline-flex;
  margin-top: 28px;
  color: var(--sea);
  font-weight: 700;
}

.cooperation {
  background: var(--white);
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.flow-grid article {
  min-height: 280px;
  padding: 30px;
  background: var(--white);
}

.flow-grid span {
  color: var(--gold);
  font-size: 13px;
  font-weight: 700;
}

.flow-grid h3 {
  margin: 82px 0 0;
  font-size: clamp(22px, 2vw, 30px);
  font-weight: 560;
}

.flow-grid p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 15px;
}

.faq {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(320px, 1.28fr);
  gap: clamp(34px, 7vw, 110px);
  background: #f8f8f3;
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-list article {
  display: grid;
  grid-template-columns: minmax(180px, 0.65fr) minmax(260px, 1fr);
  gap: 30px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.faq-list h3 {
  margin: 0;
  font-size: 20px;
  font-weight: 560;
  line-height: 1.35;
}

.faq-list p {
  margin: 0;
  color: var(--muted);
}

.contact-band {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) auto;
  gap: 28px;
  align-items: end;
  background: #f4f0e8;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}

.site-footer {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
  padding: 52px clamp(20px, 5vw, 76px);
  border-top: 1px solid var(--line);
  background: var(--white);
}

.footer-brand {
  width: 220px;
}

.footer-logo {
  max-height: 70px;
}

address {
  display: grid;
  gap: 10px;
  font-style: normal;
  text-align: right;
}

address a {
  color: var(--sea);
}

.floating-cta {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 35;
  display: grid;
  gap: 8px;
}

.floating-cta a {
  display: inline-flex;
  min-width: 104px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(16, 35, 51, 0.16);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 12px 30px rgba(17, 24, 32, 0.12);
  color: var(--deep);
  font-size: 14px;
  font-weight: 700;
  backdrop-filter: blur(14px);
}

.floating-cta a:first-child {
  border-color: var(--deep);
  background: var(--deep);
  color: var(--white);
}

@media (max-width: 1100px) {
  .product-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .catalog-products {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .catalog-intro {
    grid-template-columns: 1fr;
  }

  .catalog-intro article {
    min-height: auto;
  }

  .catalog-intro strong {
    margin-top: 32px;
  }

  .guide-grid {
    grid-template-columns: 1fr;
  }

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

  .guide-grid article {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .guide-grid article:last-child {
    border-bottom: 0;
  }

  .guide-grid span {
    margin-bottom: 38px;
  }

  .quick-entry {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .quick-entry a:nth-child(2) {
    border-right: 0;
  }

  .quick-entry a {
    border-bottom: 1px solid var(--line);
  }

  .quick-entry a:nth-child(n + 3) {
    border-bottom: 0;
  }

  .platter-grid,
  .platter-card {
    grid-template-columns: 1fr;
  }

  .platter-card img {
    height: auto;
    min-height: 0;
    aspect-ratio: 4 / 3;
  }
}

@media (max-width: 980px) {
  .desktop-nav {
    display: none;
  }

  .nav-toggle {
    display: grid;
  }

  .mobile-nav.is-open {
    display: block;
  }

  .hero-image {
    object-position: 66% center;
  }

  .hero-shade {
    background:
      linear-gradient(0deg, rgba(251, 251, 248, 0.96), rgba(251, 251, 248, 0.62) 52%, rgba(251, 251, 248, 0.2)),
      linear-gradient(90deg, rgba(251, 251, 248, 0.82), rgba(251, 251, 248, 0.2));
  }

  .hero-content {
    justify-content: flex-end;
  }

  .split,
  .quality,
  .faq,
  .contact-band,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .faq-list article {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .series-list article {
    grid-template-columns: 42px 1fr;
  }

  .series-list p {
    grid-column: 2;
  }

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

  .product-card.large,
  .product-card.wide {
    grid-column: span 2;
  }

  .contact-actions,
  address {
    justify-content: flex-start;
    text-align: left;
  }
}

@media (max-width: 560px) {
  body {
    padding-bottom: 74px;
  }

  .site-header {
    height: 66px;
    padding-inline: 16px;
  }

  .brand {
    width: 142px;
  }

  .mobile-nav {
    top: 66px;
    right: 16px;
    left: 16px;
  }

  .hero,
  .hero-content {
    min-height: 88vh;
  }

  .hero-content {
    padding: 112px 20px 94px;
  }

  .hero h1 {
    font-size: clamp(60px, 22vw, 92px);
  }

  .hero-en {
    font-size: clamp(26px, 10vw, 42px);
  }

  .hero-meta {
    left: 20px;
    right: 20px;
    justify-content: space-between;
    gap: 10px;
    font-size: 12px;
  }

  .section {
    padding: 76px 20px;
  }

  .statement {
    padding: 60px 20px;
  }

  .quick-entry {
    grid-template-columns: 1fr;
  }

  .quick-entry a {
    min-height: auto;
    padding: 24px 20px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .quick-entry a:last-child {
    border-bottom: 0;
  }

  .quick-entry a:nth-child(2) {
    border-right: 0;
  }

  .quick-entry a:nth-child(n + 3) {
    border-bottom: 1px solid var(--line);
  }

  .quick-entry a:last-child {
    border-bottom: 0;
  }

  .product-grid {
    grid-template-columns: 1fr;
  }

  .catalog-panel {
    padding: 18px;
  }

  .catalog-heading {
    grid-template-columns: 1fr;
  }

  .catalog-products {
    grid-template-columns: 1fr;
  }

  .product-card.large,
  .product-card.wide {
    grid-column: span 1;
  }

  .quality-points {
    grid-template-columns: 1fr;
  }

  .flow-grid {
    grid-template-columns: 1fr;
  }

  .flow-grid article {
    min-height: auto;
  }

  .flow-grid h3 {
    margin-top: 54px;
  }

  .button {
    width: 100%;
  }

  .site-footer {
    display: grid;
    padding: 42px 20px;
  }

  .floating-cta {
    right: 0;
    bottom: 0;
    left: 0;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0;
    padding: 10px;
    border-top: 1px solid var(--line);
    background: rgba(251, 251, 248, 0.94);
    backdrop-filter: blur(16px);
  }

  .floating-cta a {
    min-width: 0;
    box-shadow: none;
  }
}