:root {
  --white: #ffffff;
  --panel: #f5f7fa;
  --footer: #eceff3;
  --blue: #9a7447;
  --blue-dark: #7d5b34;
  --blue-soft: #c8a57b;
  --text: #212121;
  --muted: #666666;
  --line: #dfe5ec;
  --shadow: 0 14px 35px rgba(33, 33, 33, 0.08);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--white);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
}

body.nav-open {
  overflow: hidden;
}

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

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

button,
input,
textarea {
  font: inherit;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 20;
  padding: 10px 14px;
  background: var(--blue);
  color: var(--white);
}

.skip-link:focus {
  top: 12px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  padding: 0 clamp(18px, 4vw, 54px);
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid rgba(223, 229, 236, 0.8);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 260px;
  color: var(--text);
}

.brand-logo {
  width: min(100%, 250px);
  height: auto;
  max-height: 54px;
  object-fit: contain;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2vw, 28px);
  font-size: 13px;
  font-weight: 700;
}

.site-nav a {
  position: relative;
  padding: 28px 0;
  color: var(--text);
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 21px;
  left: 0;
  height: 2px;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
  content: "";
}

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

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--white);
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--text);
}

.hero {
  position: relative;
  min-height: calc(100vh - 74px);
  overflow: hidden;
  isolation: isolate;
}

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

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.16), rgba(248,244,238,0.56) 64%, rgba(255,255,255,0.92));
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: calc(100vh - 74px);
  max-width: 960px;
  margin: 0 auto;
  padding: 20vh 24px 18vh;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero h1 {
  max-width: 940px;
  margin: 0;
  font-size: clamp(34px, 6vw, 74px);
  line-height: 1;
  letter-spacing: 0;
}

.hero p:not(.eyebrow) {
  max-width: 720px;
  margin: 24px 0 34px;
  color: #323232;
  font-size: clamp(17px, 2.2vw, 24px);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
  text-align: left;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border: 1px solid var(--blue);
  border-radius: 4px;
  font-size: 13px;
  font-weight: 800;
  text-align: center;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

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

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

.button-primary {
  box-shadow: 0 12px 28px rgba(154, 116, 71, 0.18);
}

.contact-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.contact-strip a {
  min-height: 72px;
  padding: 18px 24px;
  border-right: 1px solid var(--line);
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
  text-align: center;
}

.contact-strip a:last-child {
  border-right: 0;
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(48px, 6vw, 76px) 24px;
}

.section-intro {
  display: flex;
  width: 100%;
  max-width: var(--max);
  margin: 0 auto 26px;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
  text-align: left;
}

.section-intro.compact {
  max-width: 980px;
  margin-right: auto;
  margin-left: auto;
}

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

h2 {
  margin: 0;
  max-width: none;
  font-size: clamp(24px, 2.6vw, 36px);
  line-height: 1.18;
  color: var(--text);
  letter-spacing: 0;
  font-weight: 700;
  white-space: nowrap;
  text-align: left;
}

h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.3;
  letter-spacing: 0;
}

.section-intro p:not(.eyebrow),
.split-section p,
.about-copy p,
.contact-section p,
.legal-section p,
.note-section p {
  margin: 0;
  color: var(--muted);
}

.section-intro > .eyebrow {
  margin-bottom: 8px;
}

.section-intro > h2 {
  margin-bottom: 12px;
}

.section-intro > p:not(.eyebrow) {
  max-width: 700px;
  font-size: 16px;
  line-height: 1.6;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 8px;
  background: var(--line);
  border: 1px solid var(--line);
}

.service-grid article {
  min-height: 146px;
  padding: 24px;
  background: var(--panel);
}

.service-grid span {
  display: block;
  margin-bottom: 24px;
  color: var(--blue);
  font-weight: 800;
}

.product-section {
  max-width: none;
  background: var(--panel);
}

.export-section {
  padding-bottom: 30px;
}

.product-section {
  padding-top: 34px;
}

.product-section > * {
  max-width: var(--max);
  margin-right: auto;
  margin-left: auto;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
}

.card-title-link {
  color: var(--text);
}

.card-action-link {
  display: block;
  margin-top: auto;
  color: var(--blue);
  font-size: 11px;
  font-weight: 800;
  line-height: 1.2;
  white-space: nowrap;
  overflow-wrap: normal;
}

.product-card {
  display: flex;
  min-height: 390px;
  overflow: hidden;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: 0 8px 18px rgba(33,33,33,0.04);
}

.product-card img {
  width: 100%;
  height: 150px;
  object-fit: cover;
}

.product-card .crop-left {
  object-position: 8% center;
}

.product-card .crop-mid-left {
  object-position: 29% center;
}

.product-card .crop-center {
  object-position: 50% center;
}

.product-card .crop-mid-right {
  object-position: 72% center;
}

.product-card .crop-right {
  object-position: 92% center;
}

.product-card .product-img,
.list-card .product-img,
.product-gallery .product-img {
  object-position: center;
}

.product-card div {
  display: flex;
  height: 100%;
  padding: 20px;
  flex: 1;
  flex-direction: column;
}

.product-card p {
  margin: 12px 0 18px;
  color: var(--muted);
  font-size: 14px;
}

.split-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  align-items: center;
}

.split-section > div,
.quote-section > div,
.contact-section > div {
  max-width: 760px;
  text-align: left;
}

.split-section .eyebrow,
.quote-section .eyebrow,
.contact-section .eyebrow,
.about-copy .eyebrow,
.faq-section .eyebrow,
.product-summary .eyebrow,
.legal-section .eyebrow {
  margin-bottom: 8px;
}

.split-section h2,
.quote-section h2,
.contact-section h2,
.about-copy h2,
.faq-section h2,
.legal-section h2 {
  margin-bottom: 12px;
}

.split-section p,
.quote-section p,
.contact-section p,
.about-copy p,
.legal-section p {
  font-size: 16px;
  line-height: 1.6;
}

.why-section {
  max-width: none;
}

.why-section > * {
  max-width: var(--max);
  margin-right: auto;
  margin-left: auto;
}

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

.why-grid article {
  min-height: 230px;
  padding: 24px;
  border-top: 4px solid var(--blue);
  background: var(--panel);
}

.why-grid p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.about-section {
  max-width: none;
  background: var(--panel);
}

.about-copy {
  max-width: 980px;
  margin: 0 auto;
  text-align: left;
}

.about-copy p {
  max-width: 980px;
  margin: 0 0 18px;
}

.about-copy h2 {
  max-width: none;
  margin-right: 0;
  margin-left: 0;
}

.quote-section {
  display: flex;
  gap: 26px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.quote-section h2 {
  max-width: none;
}

.faq-section .section-intro.compact,
.quote-section > div,
.about-copy {
  max-width: 980px;
}

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

.faq-section details:last-child {
  border-bottom: 1px solid var(--line);
}

.faq-section summary {
  cursor: pointer;
  padding: 22px 0;
  color: var(--text);
  font-size: 20px;
  font-weight: 800;
}

.faq-section details p {
  max-width: 820px;
  margin: 0 0 24px;
  color: var(--muted);
}

.contact-section {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 54px;
}

.contact-list {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.contact-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.contact-list a {
  color: var(--blue);
  font-weight: 700;
}

.inquiry-form {
  display: grid;
  gap: 16px;
  padding: 28px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.inquiry-form label {
  display: grid;
  gap: 8px;
  color: var(--text);
  font-size: 13px;
  font-weight: 800;
}

.inquiry-form input,
.inquiry-form textarea {
  width: 100%;
  min-height: 46px;
  padding: 11px 13px;
  border: 1px solid #cfd8e3;
  border-radius: 4px;
  color: var(--text);
  background: var(--white);
}

.inquiry-form textarea {
  resize: vertical;
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.floating-quote {
  position: fixed;
  right: 16px;
  bottom: 20px;
  z-index: 9;
  display: inline-flex;
  min-height: 44px;
  max-width: calc(100vw - 32px);
  padding: 0 18px;
  align-items: center;
  justify-content: center;
  color: var(--white);
  background: var(--blue);
  border-radius: 4px;
  box-shadow: var(--shadow);
  font-size: 12px;
  font-weight: 800;
}

.site-footer {
  display: grid;
  grid-template-columns: 1.2fr 1fr 0.8fr;
  gap: 40px;
  padding: 56px clamp(24px, 5vw, 64px) 72px;
  background: var(--footer);
  border-top: 1px solid var(--line);
}

.site-footer h2 {
  margin: 0 0 16px;
  font-size: 16px;
}

.site-footer p {
  max-width: 460px;
  margin: 12px 0 0;
  color: var(--text);
  font-size: 14px;
}

.footer-links {
  display: grid;
  gap: 8px;
}

.footer-links a {
  color: var(--blue);
  font-size: 14px;
  font-weight: 700;
}

.product-hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}

.product-gallery {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}

.product-gallery img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.thumb-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding: 14px;
}

.thumb-row span {
  height: 54px;
  background: #d8e0e9;
  border-radius: 4px;
}

.product-summary h1 {
  margin: 0 0 22px;
  font-size: clamp(32px, 4.2vw, 58px);
  line-height: 1;
}

.product-summary p {
  margin: 0 0 30px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
}

.breadcrumb {
  display: flex;
  gap: 10px;
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.breadcrumb a {
  color: var(--blue);
}

.category-page {
  max-width: none;
  background: var(--panel);
}

.category-page > * {
  max-width: var(--max);
  margin-right: auto;
  margin-left: auto;
}

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

.list-card {
  display: flex;
  overflow: hidden;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: 0 8px 18px rgba(33, 33, 33, 0.04);
}

.list-card img {
  width: 100%;
  height: 210px;
  object-fit: cover;
}

.list-card-body {
  display: flex;
  min-height: 250px;
  padding: 22px;
  flex-direction: column;
}

.list-card-meta {
  margin: 0 0 10px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.list-card-body h3 {
  margin-bottom: 10px;
}

.list-card-body p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.list-card-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.list-card-specs span {
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--text);
  background: var(--panel);
  font-size: 12px;
  font-weight: 700;
}

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

.spec-grid div {
  min-height: 112px;
  padding: 20px;
  background: var(--panel);
}

.spec-grid dt {
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.spec-grid dd {
  margin: 12px 0 0;
  color: var(--text);
  font-weight: 700;
}

.benefit-list,
.category-lines {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 0;
  padding: 0;
}

.benefit-list li,
.category-lines a {
  display: flex;
  min-height: 104px;
  padding: 20px;
  align-items: center;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  font-weight: 800;
  list-style: none;
}

.category-lines {
  grid-template-columns: repeat(5, 1fr);
}

.category-lines a {
  color: var(--blue);
}

.note-section {
  padding-top: 0;
}

.note-section p {
  padding: 26px;
  background: var(--panel);
  border-left: 4px solid var(--blue);
}

.footer-brand .brand-logo {
  max-height: 48px;
}

.legal-page {
  min-height: 70vh;
}

.legal-section {
  max-width: 850px;
}

.legal-section h1 {
  margin: 0 0 28px;
  font-size: clamp(34px, 5vw, 56px);
}

.legal-section h2 {
  max-width: none;
  margin: 34px 0 10px;
  font-size: 24px;
  line-height: 1.2;
}

.legal-section a {
  color: var(--blue);
  font-weight: 700;
}

@media (max-width: 1100px) {
  .product-grid,
  .why-grid,
  .list-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .service-grid,
  .spec-grid,
  .benefit-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .category-lines {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 860px) {
  .site-header {
    min-height: 68px;
  }

  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: 68px;
    right: 0;
    left: 0;
    display: none;
    padding: 12px 24px 26px;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
  }

  .nav-open .site-nav {
    display: flex;
  }

  .site-nav a {
    padding: 16px 0;
    border-bottom: 1px solid var(--line);
  }

  .site-nav a::after {
    display: none;
  }

  .hero,
  .hero-content {
    min-height: calc(100vh - 68px);
  }

  .hero-content {
    padding: 15vh 18px 16vh;
  }

  .contact-strip,
  .section-intro,
  .split-section,
  .quote-section,
  .contact-section,
  .site-footer,
  .product-hero {
    grid-template-columns: 1fr;
  }

  .contact-strip a {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .quote-section {
    display: grid;
  }

  .site-footer {
    gap: 28px;
  }
}

@media (max-width: 620px) {
  .brand {
    min-width: 0;
  }

  .brand-logo {
    width: min(100%, 210px);
    max-height: 46px;
  }

  h2,
  .about-copy h2 {
    max-width: none;
    white-space: normal;
  }

  .section-intro > p:not(.eyebrow),
  .split-section p,
  .quote-section p,
  .contact-section p,
  .about-copy p,
  .legal-section p,
  .product-summary p {
    font-size: 16px;
  }

  .hero h1 {
    font-size: 34px;
  }

  .hero p:not(.eyebrow) {
    font-size: 17px;
  }

  .section {
    padding: 48px 18px;
  }

  .product-grid,
  .why-grid,
  .list-grid,
  .service-grid,
  .spec-grid,
  .benefit-list,
  .category-lines {
    grid-template-columns: 1fr;
  }

  .product-card {
    min-height: auto;
  }

  .product-card img {
    height: 190px;
  }

  .inquiry-form {
    padding: 20px;
  }

  .floating-quote {
    right: 12px;
    bottom: 12px;
    min-height: 42px;
    padding: 0 14px;
  }
}

/* WeChat WebView compatibility */
.hero-image {
  -webkit-object-fit: cover;
  width: 100%;
  min-height: 100%;
}

.brand-logo {
  -webkit-object-fit: contain;
}

.product-gallery img,
.list-card img {
  -webkit-object-fit: cover;
}