:root {
  --bg: #f7f3ec;
  --surface: #fffdf9;
  --surface-strong: #ffffff;
  --ink: #171411;
  --muted: #6e655d;
  --line: #ded5ca;
  --brand: #9a6b2f;
  --brand-dark: #69451f;
  --accent: #7d2638;
  --success: #245f4c;
  --shadow: 0 22px 60px rgba(44, 32, 22, 0.1);
  --radius: 18px;
  --radius-sm: 10px;
  --container: 1220px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
}

body.nav-open { overflow: hidden; }

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

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

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

button { cursor: pointer; }

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--ink);
  color: #fff;
  transform: translateY(-150%);
}

.skip-link:focus { transform: translateY(0); }

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

.topbar {
  background: var(--ink);
  color: #efe5d7;
  font-size: 13px;
}

.topbar-inner {
  min-height: 38px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid rgba(105, 69, 31, 0.15);
  background: rgba(247, 243, 236, 0.94);
  backdrop-filter: blur(16px);
}

.header-inner {
  min-height: 76px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 50%;
  font: 700 15px/1 Georgia, serif;
}

.brand-logo { width: 42px; height: 42px; flex: 0 0 auto; object-fit: contain; }

.brand-copy { display: grid; line-height: 1.15; }
.brand-copy strong { font-size: 20px; }
.brand-copy small { margin-top: 4px; color: var(--muted); font-size: 10px; letter-spacing: 0.12em; }

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  font-size: 14px;
}

.main-nav a {
  position: relative;
  padding: 27px 0 24px;
  color: #403831;
}

.main-nav a::after {
  position: absolute;
  right: 0;
  bottom: 18px;
  left: 0;
  height: 2px;
  background: var(--brand);
  content: "";
  transform: scaleX(0);
  transition: transform 180ms ease;
}

.main-nav a:hover,
.main-nav a:focus-visible,
.main-nav a[aria-current="page"] { color: var(--brand-dark); }

.main-nav a:hover::after,
.main-nav a:focus-visible::after,
.main-nav a[aria-current="page"]::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: 10px; }

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface);
  color: var(--ink);
  font-size: 22px;
}

.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.button:hover,
.button:focus-visible {
  border-color: var(--brand-dark);
  background: var(--brand-dark);
  transform: translateY(-2px);
}

.button.secondary { background: transparent; color: var(--ink); }
.button.light { border-color: #fff; background: #fff; color: var(--ink); }
.button.ghost-light { border-color: rgba(255,255,255,.55); background: transparent; color: #fff; }
.button.small { min-height: 38px; padding: 7px 15px; font-size: 13px; }
.button.full { width: 100%; }

.home-hero {
  min-height: 690px;
  display: grid;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 15% 20%, rgba(185, 138, 59, .16), transparent 15.6%),
    linear-gradient(135deg, #f7f3ec 0%, #f1e8dd 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(400px, .95fr);
  gap: 72px;
  align-items: center;
  padding: 76px 0 86px;
}

.hero-grid > :first-child { position: relative; z-index: 2; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--brand-dark);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.eyebrow::before { width: 34px; height: 1px; background: currentColor; content: ""; }

h1, h2, h3, p { margin-top: 0; }

h1, h2 {
  font-family: Georgia, "Songti SC", "Times New Roman", serif;
  letter-spacing: -.025em;
}

h1 { margin-bottom: 24px; font-size: clamp(44px, 6vw, 74px); line-height: 1.04; }
h2 { margin-bottom: 16px; font-size: clamp(32px, 4vw, 48px); line-height: 1.14; }
h3 { margin-bottom: 10px; font-size: 20px; line-height: 1.4; }

.hero-lead { max-width: 680px; margin-bottom: 28px; color: #4f463f; font-size: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 8px; margin: 28px 0 0; padding: 0; list-style: none; }
.hero-points li { padding: 7px 12px; border: 1px solid rgba(105,69,31,.22); border-radius: 999px; color: #55483e; background: rgba(255,255,255,.55); font-size: 13px; }

.hero-media {
  position: relative;
  z-index: 1;
  min-height: 520px;
  margin-left: -240px;
}

.hero-media-main {
  position: absolute;
  inset: 0 0 48px 0;
  width: 100%;
  height: calc(100% - 48px);
  object-fit: cover;
  border-radius: 24px;
  box-shadow: var(--shadow);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, rgba(0,0,0,.08) 9%, rgba(0,0,0,.52) 21%, #000 32%, #000 100%);
  mask-image: linear-gradient(90deg, transparent 0%, rgba(0,0,0,.08) 9%, rgba(0,0,0,.52) 21%, #000 32%, #000 100%);
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-size: 100% 100%;
  mask-size: 100% 100%;
}

.hero-media-card {
  position: absolute;
  bottom: 0;
  left: 0;
  width: min(250px, 58%);
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-strong);
  box-shadow: 0 16px 35px rgba(44,32,22,.13);
}

.hero-media-card strong { display: block; margin-bottom: 5px; }
.hero-media-card span { color: var(--muted); font-size: 13px; }

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.trust-item { min-height: 118px; padding: 26px; border-left: 1px solid var(--line); }
.trust-item strong { display: block; margin-bottom: 7px; color: var(--brand-dark); font-size: 18px; }
.trust-item span { color: var(--muted); font-size: 13px; }

.section { padding: 92px 0; }
.section.compact { padding: 64px 0; }
.section.white { background: var(--surface-strong); }
.section.soft { border-block: 1px solid var(--line); background: #efe7dd; }
.section.dark { background: var(--ink); color: #fff; }

.section-head {
  max-width: 760px;
  margin-bottom: 42px;
}

.section-head.center { margin-inline: auto; text-align: center; }
.section-head.center .eyebrow::after { width: 34px; height: 1px; background: currentColor; content: ""; }
.section-head p { margin-bottom: 0; color: var(--muted); }
.section.dark .section-head p { color: #d3c8ba; }

.split-head {
  display: grid;
  grid-template-columns: minmax(0,1.488fr) minmax(320px,1fr);
  gap: 70px;
  align-items: center;
  margin-bottom: 42px;
}

.split-head p { margin-bottom: 0; color: var(--muted); }

.grid { display: grid; gap: 22px; }
.grid.two { grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid.four { grid-template-columns: repeat(4, minmax(0,1fr)); }
.grid.five { grid-template-columns: repeat(5, minmax(0,1fr)); }

.card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-strong);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.card:hover { border-color: rgba(154,107,47,.55); box-shadow: 0 18px 42px rgba(44,32,22,.09); transform: translateY(-4px); }
.card-media { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; background: #eee6dc; }
.case-media { display: block; width: 100%; height: auto; aspect-ratio: auto; object-fit: contain; background: #eee6dc; }
.card-body { padding: 22px; }
.card-body p { margin-bottom: 0; color: var(--muted); font-size: 14px; }
.case-story p + p { margin-top: 12px; }
.card-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }

.product-category-card { display: flex; flex-direction: column; }
.product-category-card .card-body { display: flex; flex: 1; flex-direction: column; }
.product-category-card .card-actions { margin-top: auto; padding-top: 18px; }
.product-category-card .card-body > .tag { align-self: flex-start; }
.cup-chain-product-card .card-media { aspect-ratio: 1 / 1; }
.cup-chain-product-card h3 { font-size: 18px; }
.product-code { margin: 0 0 2px; color: var(--brand-dark); font-size: 12px; font-weight: 800; }
.selection-card { display: flex; align-items: flex-start; flex-direction: column; padding: 26px; }
.selection-card p { color: var(--muted); font-size: 14px; }
.selection-card .card-actions { margin-top: auto; padding-top: 12px; }
.catalogue-status { margin: 0 0 20px; color: var(--muted); font-size: 14px; }
.catalogue-empty { grid-column: 1 / -1; }
.card-labels { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; align-items: flex-start; }
.sales-badge { display: inline-flex; padding: 4px 9px; border-radius: 999px; background: #731f32; color: #fff; font-size: 11px; font-weight: 800; }
.product-meta { margin-top: 2px; }
.product-meta strong,
.sort-note strong { display: block; margin-bottom: 5px; color: var(--ink); font-size: 12px; }
.sort-note { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line); }

.tag {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 4px 9px;
  border: 1px solid rgba(154,107,47,.3);
  border-radius: 999px;
  background: #fbf3e7;
  color: var(--brand-dark);
  font-size: 11px;
  font-weight: 800;
}

.icon-card { min-height: 230px; padding: 26px; }
.icon-card .number { display: block; margin-bottom: 34px; color: var(--brand); font: 700 28px/1 Georgia, serif; }
.icon-card p { margin-bottom: 0; color: var(--muted); font-size: 14px; }

.process-grid { display: grid; grid-template-columns: repeat(5,1fr); border: 1px solid var(--line); background: var(--surface-strong); }
.timeline-grid { grid-template-columns: repeat(4,minmax(0,1fr)); }
.process-step { min-height: 170px; padding: 24px; border-right: 1px solid var(--line); }
.process-step:last-child { border-right: 0; }
.process-step span { display: block; margin-bottom: 28px; color: var(--brand); font: 700 13px/1 Georgia, serif; }
.process-step p { margin-bottom: 0; color: var(--muted); font-size: 13px; }

.page-hero {
  padding: 80px 0 64px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 80% 15%, rgba(154,107,47,.13), transparent 30%),
    #f1e9df;
}

.page-hero-inner { max-width: 900px; }
.page-hero h1 { margin-bottom: 18px; font-size: clamp(42px,6vw,68px); }
.page-hero p { max-width: 740px; margin-bottom: 0; color: var(--muted); font-size: 17px; }

.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; color: var(--muted); font-size: 12px; }
.breadcrumbs span::before { margin-right: 8px; content: "/"; }

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
}

.filter-button {
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: #514840;
}

.filter-button:hover,
.filter-button[aria-pressed="true"] { border-color: var(--ink); background: var(--ink); color: #fff; }

.subfilters { margin: -10px 0 30px; padding: 20px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: #f8f3ed; }
.subfilters-head { display: flex; justify-content: space-between; gap: 16px; margin-bottom: 14px; }
.subfilters-head span { color: var(--brand-dark); font-size: 13px; font-weight: 800; }
.shape-filters { margin-bottom: 0; }
.shape-filter-button { padding: 7px 12px; border: 1px solid rgba(154,107,47,.25); border-radius: 999px; background: #fff; color: #514840; font-size: 13px; }
.shape-filter-button:hover,
.shape-filter-button[aria-pressed="true"] { border-color: var(--brand); background: var(--brand); color: #fff; }

.search-row { display: grid; grid-template-columns: 1fr auto; gap: 10px; margin-bottom: 22px; }
.search-input,
.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 48px;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-strong);
  color: var(--ink);
}

.field textarea { min-height: 130px; resize: vertical; }
.search-input:focus,
.field input:focus,
.field select:focus,
.field textarea:focus { outline: 3px solid rgba(154,107,47,.15); border-color: var(--brand); }

.detail-grid { display: grid; grid-template-columns: minmax(0,1.05fr) minmax(360px,.95fr); gap: 48px; align-items: start; }
.detail-main-image { width: 100%; aspect-ratio: 1/1; object-fit: cover; border-radius: var(--radius); background: #eee5db; }
.detail-panel { position: sticky; top: 104px; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface-strong); }
.detail-panel h1 { font-size: clamp(36px,4vw,54px); }
.detail-summary { color: var(--muted); }

.spec-table { width: 100%; border-collapse: collapse; background: var(--surface-strong); }
.spec-table th, .spec-table td { padding: 15px 16px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.spec-table th { width: 28%; background: #f1e9df; font-weight: 700; }

.media-layout { display: grid; grid-template-columns: 1.05fr .95fr; gap: 42px; align-items: center; }
.video-frame { overflow: hidden; border-radius: var(--radius); background: #111; box-shadow: var(--shadow); }
.video-frame video { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.video-frame.lazy-video { position: relative; }
.lazy-video-trigger {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: rgba(0,0,0,.08);
  color: #fff;
  cursor: pointer;
}
.lazy-video-trigger span:first-child {
  display: inline-grid;
  width: 58px;
  height: 58px;
  place-items: center;
  border: 1px solid rgba(255,255,255,.55);
  border-radius: 50%;
  background: rgba(23,20,17,.82);
  font-size: 18px;
}
.lazy-video-trigger:hover span:first-child { background: rgba(23,20,17,.94); }
.lazy-video-trigger:focus-visible { outline: 3px solid #fff; outline-offset: -6px; }

.quote-panel {
  padding: 42px;
  border-radius: var(--radius);
  background: var(--ink);
  color: #fff;
}

.quote-panel p { color: #d9cec1; }

.form-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; }
.form-grid > .full { grid-column: 1 / -1; }
.field { display: grid; gap: 7px; color: #443b34; font-size: 13px; font-weight: 700; }
.field.full { grid-column: 1/-1; }
.consent { display: flex; align-items: flex-start; gap: 9px; color: var(--muted); font-size: 12px; }
.form-status { min-height: 24px; margin-top: 12px; color: var(--success); font-size: 13px; }

.contact-list { display: grid; gap: 0; }
.contact-item { padding: 20px 0; border-bottom: 1px solid var(--line); }
.contact-item:first-child { padding-top: 0; }
.contact-item small { display: block; margin-bottom: 4px; color: var(--brand-dark); font-weight: 800; }
.contact-item strong { font-size: 18px; }
.contact-item p { margin-bottom: 0; color: var(--muted); }

.faq-list { display: grid; gap: 10px; }
.faq-list details { border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface-strong); }
.faq-list summary { padding: 18px 20px; font-weight: 700; cursor: pointer; }
.faq-list details p { padding: 0 20px 18px; margin: 0; color: var(--muted); }

.article-layout { display: grid; grid-template-columns: minmax(0,780px) 260px; gap: 58px; justify-content: center; }
.article-content { padding: 36px; border: 1px solid var(--line); background: var(--surface-strong); }
.article-content h2 { margin-top: 44px; font-size: 32px; }
.article-content h3 { margin-top: 28px; }
.article-content p, .article-content li { color: #50473f; }
.article-aside { position: sticky; top: 104px; align-self: start; }
.article-aside a { display: block; padding: 9px 0; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 13px; }

.cta-band { padding: 56px 0; background: var(--brand-dark); color: #fff; }
.cta-inner { display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: center; }
.cta-inner h2 { margin-bottom: 8px; font-size: 36px; }
.cta-inner p { margin-bottom: 0; color: #eadfd3; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 10px; }

.site-footer { border-top: 1px solid rgba(255,255,255,.08); background: #16120f; color: #cfc3b4; }
.footer-grid { display: grid; grid-template-columns: 1.2fr repeat(3,.75fr); gap: 42px; padding: 58px 0 40px; }
.footer-brand strong { display: block; margin-bottom: 12px; color: #fff; font-size: 22px; }
.footer-brand p { max-width: 420px; color: #a99b8b; font-size: 13px; }
.footer-links strong { display: block; margin-bottom: 14px; color: #fff; }
.footer-links a { display: block; margin: 8px 0; color: #b9ad9f; font-size: 13px; }
.footer-links a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding: 18px 0 24px; border-top: 1px solid rgba(255,255,255,.1); color: #8f8275; font-size: 12px; }
.footer-record { color: #b9ad9f; text-decoration: none; white-space: nowrap; }
.footer-record:hover { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
.footer-record:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }

.inquiry-fab {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 45;
  min-width: 126px;
  min-height: 46px;
  padding: 10px 16px;
  border: 1px solid rgba(255,255,255,.45);
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  box-shadow: 0 16px 35px rgba(80,22,35,.28);
  font-weight: 800;
}

.inquiry-count { min-width: 22px; height: 22px; display: inline-grid; place-items: center; margin-left: 6px; border-radius: 50%; background: #fff; color: var(--accent); font-size: 11px; }

.inquiry-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 70;
  width: min(430px,100%);
  padding: 28px;
  background: var(--surface-strong);
  box-shadow: -18px 0 55px rgba(20,16,12,.18);
  transform: translateX(105%);
  transition: transform 220ms ease;
}

.inquiry-drawer.is-open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 26px; }
.drawer-close { width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 50%; background: transparent; }
.drawer-list { display: grid; gap: 10px; max-height: 55vh; overflow: auto; }
.drawer-item { display: grid; grid-template-columns: 1fr auto; gap: 12px; padding: 14px; border: 1px solid var(--line); border-radius: var(--radius-sm); }
.drawer-item button { border: 0; background: transparent; color: var(--accent); }
.drawer-empty { color: var(--muted); }
.drawer-actions { display: grid; gap: 10px; margin-top: 24px; }

.empty-state { padding: 48px 24px; border: 1px dashed var(--line); text-align: center; color: var(--muted); background: rgba(255,255,255,.5); }
.hidden { display: none !important; }

@media (max-width: 1060px) {
  .header-inner { grid-template-columns: auto auto; justify-content: space-between; }
  .menu-button { display: inline-grid; place-items: center; }
  .main-nav {
    position: fixed;
    inset: 114px 18px auto;
    display: none;
    max-height: calc(100vh - 140px);
    overflow: auto;
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-strong);
    box-shadow: var(--shadow);
  }
  .main-nav.is-open { display: grid; justify-content: stretch; gap: 2px; }
  .main-nav a { padding: 12px 4px; }
  .main-nav a::after { bottom: 7px; }
  .header-actions { grid-column: 2; grid-row: 1; }
  .header-actions > .button { display: none; }
  .hero-grid { grid-template-columns: 1fr; gap: 42px; }
  .hero-media { min-height: 460px; margin-left: 0; }
  .trust-strip { grid-template-columns: repeat(2,1fr); }
  .grid.four { grid-template-columns: repeat(2,1fr); }
  .grid.five { grid-template-columns: repeat(3,1fr); }
  .process-grid { grid-template-columns: repeat(2,1fr); }
  .process-step { border-bottom: 1px solid var(--line); }
  .detail-grid, .media-layout, .article-layout { grid-template-columns: 1fr; }
  .detail-panel, .article-aside { position: static; }
  .footer-grid { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 720px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .topbar-inner { min-height: 44px; justify-content: center; text-align: center; }
  .topbar-inner span:last-child { display: none; }
  .site-header { top: 0; }
  .header-inner { min-height: 68px; }
  .main-nav { inset: 118px 14px auto; }
  .brand-copy small { display: none; }
  .home-hero { min-height: auto; }
  .hero-grid { padding: 56px 0 68px; }
  .hero-media { min-height: 350px; }
  .hero-media-main {
    inset: 0 0 34px 0;
    width: 100%;
    height: calc(100% - 34px);
    border-radius: 18px;
    -webkit-mask-image: linear-gradient(90deg, transparent 0%, rgba(0,0,0,.7) 8%, #000 16%, #000 100%);
    mask-image: linear-gradient(90deg, transparent 0%, rgba(0,0,0,.7) 8%, #000 16%, #000 100%);
  }
  .hero-media-card { width: min(230px,75%); padding: 16px; }
  .trust-strip, .grid.two, .grid.three, .grid.four, .grid.five, .split-head, .form-grid, .cta-inner, .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 68px 0; }
  .section.compact { padding: 50px 0; }
  .process-grid { grid-template-columns: 1fr; }
  .process-step { min-height: 0; border-right: 0; }
  .page-hero { padding: 58px 0 46px; }
  .quote-panel, .article-content { padding: 26px 20px; }
  .detail-grid { gap: 28px; }
  .detail-panel { padding: 24px 20px; }
  .spec-table th, .spec-table td { display: block; width: 100%; }
  .spec-table th { border-bottom: 0; }
  .cta-actions { align-items: stretch; flex-direction: column; }
  .footer-bottom { align-items: flex-start; flex-direction: column; }
  .inquiry-fab { right: 14px; bottom: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}

.certificate-marquee {
  --certificate-height: 180px;
  position: relative;
  height: var(--certificate-height);
  overflow: hidden;
  border: 1px dashed var(--line);
  background: rgba(255,255,255,.72);
}

.certificate-track {
  display: flex;
  width: max-content;
  height: 100%;
  animation: certificate-scroll 45s linear infinite;
  will-change: transform;
}

.certificate-group {
  display: flex;
  align-items: center;
  gap: 22px;
  padding-right: 22px;
}

.certificate-item {
  flex: 0 0 auto;
  height: calc(var(--certificate-height) - 24px);
  padding: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
}

.certificate-item img {
  display: block;
  width: auto;
  height: 100%;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 8px 22px rgba(44,32,22,.12);
}

.certificate-marquee:hover .certificate-track,
.certificate-marquee:focus-within .certificate-track {
  animation-play-state: paused;
}

@keyframes certificate-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.certificate-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: none;
  place-items: center;
  padding: 34px;
  background: rgba(15,12,10,.9);
}

.certificate-lightbox.is-open { display: grid; }

.certificate-lightbox img {
  max-width: 92vw;
  max-height: 88vh;
  width: auto;
  height: auto;
  object-fit: contain;
  background: #fff;
  box-shadow: 0 18px 60px rgba(0,0,0,.45);
}

.certificate-lightbox-close {
  position: absolute;
  top: 22px;
  right: 24px;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 50%;
  background: rgba(0,0,0,.35);
  color: #fff;
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
}

body.certificate-lightbox-open { overflow: hidden; }

@media (prefers-reduced-motion: reduce) {
  .certificate-marquee { overflow-x: auto; }
  .certificate-track { animation: none; }
  .certificate-group[aria-hidden="true"] { display: none; }
}
.about-gallery {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: var(--radius);
  background: #eee5db;
}

.about-gallery-stage {
  position: relative;
  width: 100%;
  height: 100%;
}

.about-gallery-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0;
  transition: opacity 420ms ease;
  background: #f5f1eb;
}

.about-gallery-slide.is-active { opacity: 1; }

.about-gallery-prev,
.about-gallery-next {
  position: absolute;
  top: 50%;
  z-index: 2;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255,255,255,.65);
  border-radius: 50%;
  background: rgba(23,20,17,.58);
  color: #fff;
  font-size: 25px;
  line-height: 1;
  transform: translateY(-50%);
  cursor: pointer;
}

.about-gallery-prev { left: 14px; }
.about-gallery-next { right: 14px; }

.about-gallery-prev:hover,
.about-gallery-next:hover { background: rgba(23,20,17,.82); }

.about-gallery-dots {
  position: absolute;
  left: 50%;
  bottom: 14px;
  z-index: 2;
  display: flex;
  gap: 8px;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(23,20,17,.5);
  transform: translateX(-50%);
}

.about-gallery-dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255,255,255,.55);
  cursor: pointer;
}

.about-gallery-dot[aria-current="true"] { background: #fff; }

@media (max-width: 720px) {
  .about-gallery-prev,
  .about-gallery-next { width: 38px; height: 38px; font-size: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  .about-gallery-slide { transition: none; }
}
.footer-brand .footer-phone {
  margin-top: 10px;
  margin-bottom: 0;
  color: #cfc3b4;
}

.footer-brand .footer-phone a {
  color: #d8bb8a;
  font-weight: 800;
}
.contact-details { font-size: 18px; line-height: 1.8; }
@media (max-width: 720px) { .contact-details { font-size: 17px; } }

.contact-item .wechat-qr {
  width: min(220px,100%);
  height: auto;
  display: block;
  margin: 12px 0 10px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.contact-item .wechat-caption {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}
.timeline-grid {
  display: grid;
  grid-template-columns: repeat(4,minmax(0,1fr));
  gap: 18px;
  border: 0;
  background: none;
}

.timeline-grid .process-step {
  position: relative;
  min-height: 0;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
  box-shadow: 0 10px 28px rgba(44,32,22,.07);
}

.timeline-grid .process-step span {
  display: inline-flex;
  margin-bottom: 18px;
  padding: 5px 10px;
  border-radius: 999px;
  background: #fbf3e7;
  color: var(--brand-dark);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
}

.timeline-grid .process-step h3 {
  margin-bottom: 10px;
  font-size: 18px;
}

.timeline-grid .process-step p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

@media (max-width: 1060px) {
  .timeline-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
}

@media (max-width: 720px) {
  .timeline-grid { grid-template-columns: 1fr; }
}