/* =========================================================
   Canton Global Drive — site stylesheet
   Design tone: clean · confident · international
   ========================================================= */

/* ---------- 1. Design tokens ---------- */
:root {
  --c-bg: #ffffff;
  --c-surface: #f5f6f8;
  --c-surface-2: #eef1f5;
  --c-ink: #0c1524;
  --c-ink-2: #1b2738;
  --c-muted: #5a6678;
  --c-muted-2: #8b95a5;
  --c-line: #e2e6ec;
  --c-line-soft: #eef1f5;
  --c-navy: #0b213f;
  --c-navy-2: #123055;
  --c-gold: #b98a2e;
  --c-gold-soft: #d9b979;
  --c-blue: #2f6fb5;

  --maxw: 1240px;
  --pad: 24px;
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 16px;

  --shadow-sm: 0 1px 2px rgba(12, 21, 36, .05);
  --shadow-md: 0 12px 32px rgba(12, 21, 36, .08);
  --shadow-lg: 0 28px 70px rgba(12, 21, 36, .14);

  --ease: cubic-bezier(.22, .61, .36, 1);
  --font: "Inter", "HarmonyOS Sans SC", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Source Han Sans SC", system-ui, -apple-system, sans-serif;

  --header-h: 74px;
}

/* ---------- 2. Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; max-width: 100%; overflow-x: hidden; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-ink-2);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  max-width: 100%;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
  margin: 0;
  color: var(--c-ink);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
}
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

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

::selection { background: var(--c-navy); color: #fff; }

/* ---------- 3. Layout utilities ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.section { padding: 104px 0; }
.section--tight { padding: 72px 0; }
.section--surface { background: var(--c-surface); }
.section--ink { background: var(--c-navy); color: #cdd7e4; }
.section--ink h2,
.section--ink h3,
.section--ink h4 { color: #fff; }

.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- 4. Common components ---------- */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-gold);
}
.kicker::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--c-gold);
}

.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head h2 {
  margin: 18px 0 18px;
  font-size: clamp(28px, 3.2vw, 40px);
}
.section-head p { color: var(--c-muted); font-size: 17px; }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head--center .kicker { justify-content: center; }
.section--ink .section-head p { color: #a9b8ca; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 50px;
  padding: 0 30px;
  border: 1px solid transparent;
  border-radius: var(--r-sm);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .02em;
  cursor: pointer;
  transition: all .35s var(--ease);
  white-space: nowrap;
}
.btn--primary { background: var(--c-gold); color: #fff; }
.btn--primary:hover { background: #a5791f; transform: translateY(-2px); box-shadow: 0 10px 24px rgba(185, 138, 46, .3); }
.btn--dark { background: var(--c-ink); color: #fff; }
.btn--dark:hover { background: var(--c-navy); transform: translateY(-2px); }
.btn--ghost { border-color: rgba(255, 255, 255, .35); color: #fff; }
.btn--ghost:hover { background: #fff; color: var(--c-navy); }
.btn--outline { border-color: var(--c-line); color: var(--c-ink); }
.btn--outline:hover { border-color: var(--c-ink); background: var(--c-ink); color: #fff; }
.btn--block { width: 100%; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-navy);
}
.link-arrow svg { transition: transform .3s var(--ease); }
.link-arrow:hover svg { transform: translateX(5px); }

/* ---------- 5. Topbar & navigation ---------- */
.topbar {
  background: var(--c-ink);
  color: #9aa7b8;
  font-size: 13px;
}
.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 40px;
}
.topbar__list { display: flex; align-items: center; gap: 26px; }
.topbar__list a:hover { color: #fff; }
.topbar__list span { color: #4d5a6c; margin-right: 6px; }
.topbar__right { display: flex; align-items: center; gap: 18px; }
.lang { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }
.lang:hover { color: #fff; }

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--c-line-soft);
  transition: box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.header.is-stuck { box-shadow: 0 6px 24px rgba(12, 21, 36, .07); border-color: var(--c-line); }

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand__mark {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  background: var(--c-navy);
  border-radius: var(--r-sm);
  color: #fff;
  font-weight: 700;
  font-size: 21px;
  line-height: 1;
  letter-spacing: 0;
  font-family: "HarmonyOS Sans SC", "PingFang SC", "Hiragino Sans GB",
               "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
.brand__text { display: flex; flex-direction: column; line-height: 1.2; }
.brand__name { font-size: 19px; font-weight: 700; color: var(--c-ink); letter-spacing: .04em; }
.brand__en {
  font-size: 10px;
  letter-spacing: .22em;
  color: var(--c-muted-2);
  text-transform: uppercase;
}

.nav { display: flex; align-items: center; gap: 36px; }
.nav a {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: var(--c-ink-2);
  padding: 6px 0;
  transition: color .25s var(--ease);
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--c-gold);
  transition: width .3s var(--ease);
}
.nav a:hover { color: var(--c-navy); }
.nav a:hover::after,
.nav a.is-active::after { width: 100%; }
.nav a.is-active { color: var(--c-navy); font-weight: 600; }

.header__cta { display: flex; align-items: center; gap: 14px; }
.header__cta .btn { height: 42px; padding: 0 22px; font-size: 14px; }

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  background: #fff;
  cursor: pointer;
  padding: 0;
  place-items: center;
}
.nav-toggle span {
  display: block;
  width: 18px; height: 1.5px;
  background: var(--c-ink);
  margin: 3px auto;
  transition: all .3s var(--ease);
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(4.5px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-4.5px) rotate(-45deg); }

/* ---------- 6. Hero ---------- */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 640px;
  background: var(--c-navy);            /* fallback colour if the photo is unavailable */
  color: #fff;
  overflow: hidden;
  padding: 120px 0 110px;
}

/* ---------- Hero photo layer ---------- */
.hero__bg { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.hero__photo { position: absolute; inset: 0; z-index: 1; display: block; }
.hero__photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 58%;
}

/* Gradient scrim: opaque on the copy side, open on the right so the vehicle stays visible */
.hero__bg::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    radial-gradient(1100px 620px at 88% 6%, rgba(47, 111, 181, .18), transparent 60%),
    radial-gradient(720px 500px at 2% 98%, rgba(185, 138, 46, .13), transparent 58%),
    linear-gradient(180deg, rgba(6, 16, 33, .34) 0%, rgba(6, 16, 33, 0) 26%, rgba(6, 16, 33, .20) 100%),
    linear-gradient(96deg, rgba(6, 16, 33, .94) 0%, rgba(6, 16, 33, .90) 25%, rgba(6, 16, 33, .80) 40%, rgba(6, 16, 33, .64) 50%, rgba(6, 16, 33, .22) 66%, rgba(6, 16, 33, .04) 82%, rgba(6, 16, 33, 0) 100%);
}
/* Line grid — no longer used on the photo hero, kept for reuse on flat dark sections */
.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 76px 76px;
  mask-image: radial-gradient(circle at 70% 30%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at 70% 30%, #000 0%, transparent 78%);
}
.hero__inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr; gap: 0; align-items: center; }
.hero__content { max-width: 660px; }

.hero__kicker { color: var(--c-gold-soft); }
.hero h1 {
  margin: 26px 0 24px;
  color: #fff;
  font-size: clamp(34px, 4.6vw, 58px);
  line-height: 1.16;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.hero h1 em {
  font-style: normal;
  color: var(--c-gold-soft);
}
.hero__desc {
  max-width: 600px;
  font-size: 17px;
  line-height: 1.8;
  color: #b9c7d8;
  margin-bottom: 34px;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 26px; }

/* Hero note: factory visits / OEM support */
.hero__note {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 620px;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--c-gold-soft);
  letter-spacing: .01em;
}
.hero__note::before {
  content: "";
  flex: none;
  width: 28px;
  height: 1px;
  background: var(--c-gold);
}

/* Hero visual: abstract globe with routes */
.hero__visual { position: relative; aspect-ratio: 1 / 1; }
.orbit { position: absolute; inset: 0; animation: spin 60s linear infinite; }
.orbit--rev { animation-duration: 90s; animation-direction: reverse; }
@keyframes spin { to { transform: rotate(360deg); } }

.hero__stats {
  position: relative;
  z-index: 2;
  margin-top: 90px;
  border-top: 1px solid rgba(255, 255, 255, .14);
}
.hero__stats .grid { gap: 0; }
.stat { padding: 34px 30px; border-left: 1px solid rgba(255, 255, 255, .12); }
.stat:first-child { border-left: 0; padding-left: 0; }
.stat__num {
  font-size: 40px;
  font-weight: 700;
  color: #fff;
  line-height: 1.1;
  letter-spacing: -.02em;
}
.stat__num i { font-style: normal; font-size: 22px; color: var(--c-gold-soft); margin-left: 3px; }
.stat__label { margin-top: 8px; font-size: 14px; color: #9fb0c4; letter-spacing: .04em; }

/* ---------- 7. Cards ---------- */
.card {
  padding: 40px 34px;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  transition: all .4s var(--ease);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: #d6dce4; }
.card__icon {
  width: 52px; height: 52px;
  display: grid; place-items: center;
  border-radius: var(--r-sm);
  background: var(--c-surface-2);
  color: var(--c-navy);
  margin-bottom: 24px;
}
.card h3 { font-size: 20px; margin-bottom: 12px; }
.card p { color: var(--c-muted); font-size: 15px; }

.card--plain { border: 0; background: transparent; padding: 0; }
.card--plain:hover { transform: none; box-shadow: none; }

/* Feature cards（Numbered） */
.feature {
  position: relative;
  padding: 38px 32px;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  transition: all .4s var(--ease);
}
.feature:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.feature__no {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--c-gold);
  margin-bottom: 18px;
}
.feature h3 { font-size: 19px; margin-bottom: 12px; line-height: 1.35; }
.feature p { font-size: 15px; color: var(--c-muted); }
.feature p.feature__cn {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--c-line-soft);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--c-muted-2);
}

/* ---------- 8. Product cards ---------- */
.product {
  position: relative;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: #fff;
  transition: all .4s var(--ease);
}
.product:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.product__thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  background: var(--c-surface-2);
  overflow: hidden;
}
.product__thumb svg { width: 100%; height: 100%; }
.product__tag {
  position: absolute;
  top: 14px; left: 14px;
  padding: 5px 12px;
  background: rgba(11, 33, 63, .9);
  color: #fff;
  font-size: 12px;
  letter-spacing: .06em;
  border-radius: 2px;
}
.product__body { padding: 26px 26px 30px; }
.product__body h3 { font-size: 19px; margin-bottom: 10px; }
.product__body p { font-size: 14.5px; color: var(--c-muted); margin-bottom: 18px; }
.spec { display: flex; flex-wrap: wrap; gap: 8px; }
.spec li {
  padding: 4px 11px;
  background: var(--c-surface);
  border-radius: 3px;
  font-size: 12.5px;
  color: var(--c-muted);
}

/* ---------- 9. Timeline ---------- */
.timeline { position: relative; padding-left: 34px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 5px; top: 10px; bottom: 10px;
  width: 1px;
  background: var(--c-line);
}
.timeline__item { position: relative; padding-bottom: 40px; }
.timeline__item:last-child { padding-bottom: 0; }
.timeline__item::before {
  content: "";
  position: absolute;
  left: -34px; top: 8px;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--c-gold);
}
.timeline__year {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--c-gold);
}
.timeline__item h3 { font-size: 18px; margin: 8px 0 8px; }
.timeline__item p { color: var(--c-muted); font-size: 15px; }

/* ---------- 10. Process ---------- */
.process { position: relative; }
.process__item { position: relative; padding-top: 30px; }
.process__item::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--c-line);
}
.process__item::after {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 0; height: 2px;
  background: var(--c-gold);
  transition: width .5s var(--ease);
}
.process__item.is-in::after { width: 100%; }
.process__no {
  font-size: 34px;
  font-weight: 700;
  color: var(--c-surface-2);
  line-height: 1;
  margin-bottom: 14px;
}
.section--ink .process__no { color: rgba(255, 255, 255, .18); }
.section--ink .process__item::before { background: rgba(255, 255, 255, .15); }
.process__item h3 { font-size: 17px; margin-bottom: 8px; }
.process__item p { font-size: 14.5px; color: var(--c-muted); }
.section--ink .process__item p { color: #a9b8ca; }

/* ---------- 11. Data / Credentials ---------- */
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--c-line); border: 1px solid var(--c-line); border-radius: var(--r-md); overflow: hidden; }
.metric { background: #fff; padding: 40px 30px; text-align: center; }
.metric__num { font-size: 42px; font-weight: 700; color: var(--c-navy); line-height: 1.1; }
.metric__num i { font-style: normal; font-size: 20px; color: var(--c-gold); margin-left: 2px; }
.metric__label { margin-top: 10px; font-size: 14px; color: var(--c-muted); }

.badges { display: flex; flex-wrap: wrap; gap: 12px; }
.badge {
  padding: 10px 18px;
  border: 1px solid var(--c-line);
  border-radius: 100px;
  font-size: 14px;
  color: var(--c-ink-2);
  background: #fff;
}
.section--ink .badge { background: rgba(255, 255, 255, .05); border-color: rgba(255, 255, 255, .16); color: #d4dfeb; }

/* ---------- 12. Global network ---------- */
.network { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.region-list { display: grid; gap: 2px; }
.region {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 4px;
  border-bottom: 1px solid var(--c-line-soft);
}
.region:last-child { border-bottom: 0; }
.region__name { font-size: 16px; font-weight: 600; color: var(--c-ink); }
.region__meta { font-size: 14px; color: var(--c-muted); }
.region__count { font-size: 13px; color: var(--c-gold); font-weight: 600; letter-spacing: .06em; }

/* ---------- 13. Form ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 14px; font-weight: 600; color: var(--c-ink); }
.field label span { color: var(--c-gold); }
.field input,
.field select,
.field textarea {
  height: 50px;
  padding: 0 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  background: #fff;
  font-size: 15px;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
  width: 100%;
}
.field textarea { height: 140px; padding: 14px 16px; resize: vertical; line-height: 1.7; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--c-navy);
  box-shadow: 0 0 0 3px rgba(11, 33, 63, .07);
}
.field.has-error input,
.field.has-error select,
.field.has-error textarea { border-color: #c0392b; }
.field__err { font-size: 12.5px; color: #c0392b; display: none; }
.field.has-error .field__err { display: block; }

.form-note { margin-top: 18px; font-size: 13px; color: var(--c-muted); }
.form-ok {
  display: none;
  margin-top: 20px;
  padding: 16px 20px;
  border: 1px solid #bfe0c9;
  background: #f1f9f4;
  border-radius: var(--r-sm);
  color: #1f6b3a;
  font-size: 14.5px;
}
.form-ok.is-show { display: block; }

/* ---------- 14. Contact details ---------- */
.info-card {
  padding: 30px;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  height: 100%;
}
.info-card h3 { font-size: 17px; margin-bottom: 18px; display: flex; align-items: center; gap: 10px; }
.info-card h3 svg { color: var(--c-gold); }
.info-card p, .info-card li { font-size: 15px; color: var(--c-muted); }
.info-card strong { color: var(--c-ink); font-weight: 600; }

/* ---------- 15. CTA ---------- */
.cta {
  position: relative;
  background: var(--c-navy);
  color: #fff;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(800px 400px at 85% 20%, rgba(185, 138, 46, .22), transparent 60%);
}
.cta__inner { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 40px; padding: 76px 0; }
.cta h2 { color: #fff; font-size: clamp(26px, 3vw, 36px); }
.cta p { margin-top: 14px; color: #a9b8ca; }

/* ---------- 16. Footer ---------- */
.footer { background: #07101d; color: #8d9cb0; padding: 76px 0 0; font-size: 14.5px; }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 48px; padding-bottom: 56px; }
.footer h4 { color: #fff; font-size: 15px; margin-bottom: 22px; letter-spacing: .04em; }
.footer li { margin-bottom: 12px; }
.footer a:hover { color: #fff; }
.footer__brand .brand__name { color: #fff; }
.footer__brand p { margin: 20px 0 24px; max-width: 320px; line-height: 1.9; }
.footer__social { display: flex; gap: 10px; }
.footer__social a {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: var(--r-sm);
  transition: all .3s var(--ease);
}
.footer__social a:hover { background: var(--c-gold); border-color: var(--c-gold); color: #fff; }
.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 26px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-size: 13px;
}
.footer__bottom nav { display: flex; gap: 22px; }

/* ---------- 17. Page head（Inner pages） ---------- */
.pagehead {
  position: relative;
  background: var(--c-navy);
  color: #fff;
  padding: 96px 0 92px;
  overflow: hidden;
}
.pagehead::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(700px 400px at 88% 0%, rgba(47, 111, 181, .3), transparent 60%),
    radial-gradient(500px 400px at 0% 100%, rgba(185, 138, 46, .16), transparent 60%);
}
.pagehead__inner { position: relative; z-index: 1; }
.pagehead h1 { color: #fff; font-size: clamp(32px, 4vw, 48px); margin: 20px 0 18px; }
.pagehead p { color: #b9c7d8; max-width: 640px; font-size: 17px; }
.breadcrumb { display: flex; align-items: center; gap: 10px; font-size: 13.5px; color: #8fa2b8; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb span { color: #4d5f75; }

/* ---------- 18. About page ---------- */
.about-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.about-intro__text p + p { margin-top: 20px; }
.about-intro__text p { color: var(--c-muted); font-size: 16.5px; }
.about-visual {
  position: relative;
  aspect-ratio: 4 / 3.4;
  background: var(--c-navy);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.about-visual svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.about-visual__tag {
  position: absolute;
  left: 26px; bottom: 26px;
  background: rgba(255, 255, 255, .95);
  border-radius: var(--r-sm);
  padding: 16px 22px;
  color: var(--c-ink);
}
.about-visual__tag b { display: block; font-size: 26px; line-height: 1.2; color: var(--c-navy); }
.about-visual__tag span { font-size: 12.5px; color: var(--c-muted); letter-spacing: .08em; }

.values { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.value { padding: 34px 28px; border: 1px solid var(--c-line); border-radius: var(--r-md); background: #fff; }
.value__n { font-size: 12px; letter-spacing: .2em; color: var(--c-gold); font-weight: 700; }
.value h3 { font-size: 18px; margin: 14px 0 10px; }
.value p { font-size: 14.5px; color: var(--c-muted); }

/* ---------- 19. Products page ---------- */
.tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 44px; }
.tab {
  padding: 11px 24px;
  border: 1px solid var(--c-line);
  background: #fff;
  border-radius: 100px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--c-muted);
  cursor: pointer;
  transition: all .3s var(--ease);
}
.tab:hover { border-color: var(--c-navy); color: var(--c-navy); }
.tab.is-active { background: var(--c-navy); border-color: var(--c-navy); color: #fff; }

.ptable { width: 100%; border-collapse: collapse; font-size: 15px; }
.ptable th, .ptable td { padding: 16px 18px; text-align: left; border-bottom: 1px solid var(--c-line); }
.ptable th { background: var(--c-surface); font-weight: 600; color: var(--c-ink); font-size: 14px; letter-spacing: .04em; }
.ptable td { color: var(--c-muted); }
.ptable tbody tr:hover td { background: #fafbfc; }

.faq { border-top: 1px solid var(--c-line); }
.faq__item { border-bottom: 1px solid var(--c-line); }
.faq__q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 4px;
  background: none;
  border: 0;
  text-align: left;
  font-size: 17px;
  font-weight: 600;
  color: var(--c-ink);
  cursor: pointer;
}
.faq__q i {
  flex: none;
  width: 26px; height: 26px;
  display: grid; place-items: center;
  border: 1px solid var(--c-line);
  border-radius: 50%;
  font-style: normal;
  font-size: 17px;
  color: var(--c-muted);
  transition: all .3s var(--ease);
}
.faq__item.is-open .faq__q i { background: var(--c-navy); border-color: var(--c-navy); color: #fff; transform: rotate(45deg); }
.faq__a { max-height: 0; overflow: hidden; transition: max-height .4s var(--ease); }
.faq__a p { padding: 0 4px 26px; color: var(--c-muted); font-size: 15.5px; max-width: 860px; }

/* ---------- 20. Contact page ---------- */
.contact-grid { display: grid; grid-template-columns: 1.35fr 1fr; gap: 56px; align-items: start; }
.offices { display: grid; gap: 14px; }
.office {
  display: flex;
  gap: 16px;
  padding: 20px 22px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: #fff;
  transition: all .3s var(--ease);
}
.office:hover { border-color: var(--c-navy); box-shadow: var(--shadow-sm); }
.office__dot { flex: none; width: 10px; height: 10px; margin-top: 9px; border-radius: 50%; background: var(--c-gold); }
.office h4 { font-size: 16px; }
.office p { font-size: 14.5px; color: var(--c-muted); margin-top: 4px; }

.mapbox {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--c-surface-2);
  border: 1px solid var(--c-line);
}
.mapbox svg { width: 100%; height: 100%; }
.mapbox__pin {
  position: absolute;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--c-gold);
  box-shadow: 0 0 0 6px rgba(185, 138, 46, .18);
}
.mapbox__pin::after {
  content: attr(data-label);
  position: absolute;
  left: 18px; top: -6px;
  white-space: nowrap;
  font-size: 12px;
  color: var(--c-ink);
  font-weight: 600;
}

/* ---------- 21. Scroll animation ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }


/* ---------- Business line cards ---------- */
.bizlines { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.bizline {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 32px 28px 28px;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.bizline:hover { transform: translateY(-4px); box-shadow: 0 18px 44px rgba(11, 33, 63, .09); border-color: #d3dae3; }
.bizline__top { display: flex; align-items: center; justify-content: space-between; }
.bizline__num { font-size: 13px; font-weight: 700; letter-spacing: .18em; color: var(--c-gold); }
.bizline__icon { width: 34px; height: 34px; color: var(--c-navy); opacity: .82; }
.bizline__icon svg { width: 100%; height: 100%; }
.bizline__title { margin: 16px 0 6px; font-size: 26px; line-height: 1.2; font-weight: 700; color: var(--c-ink); }
.bizline__sub { font-size: 14.5px; color: var(--c-muted); }
.bizline__cn { margin-top: 4px; font-size: 13px; color: var(--c-muted-2); }
.bizline__list { margin: 22px 0 24px; padding: 0; list-style: none; display: grid; gap: 11px; }
.bizline__list li {
  display: flex; align-items: baseline; justify-content: space-between; gap: 14px;
  padding-bottom: 11px; font-size: 14.5px; color: var(--c-ink-2);
  border-bottom: 1px dashed var(--c-line);
}
.bizline__list li:last-child { border-bottom: 0; padding-bottom: 0; }
.bizline__list em { font-style: normal; font-size: 13px; color: var(--c-muted-2); text-align: right; }
.bizline__cta {
  margin-top: auto; display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 600; color: var(--c-navy);
  border-top: 1px solid var(--c-line-soft); padding-top: 18px;
}
.bizline__cta svg { transition: transform .3s ease; }
.bizline__cta:hover svg { transform: translateX(4px); }
.bizline--featured { background: linear-gradient(180deg, #fdfaf3 0%, #ffffff 60%); border-color: var(--c-gold); }
.bizline--featured .bizline__title { color: var(--c-navy); }
.bizline__badge {
  position: absolute; top: -12px; right: 22px;
  background: var(--c-gold); color: #fff;
  font-size: 11.5px; font-weight: 600; letter-spacing: .1em;
  padding: 5px 12px; border-radius: 2px;
}
.bizline__note {
  margin: 0 0 20px; padding: 12px 14px;
  font-size: 13px; line-height: 1.75;
  color: var(--c-muted); background: rgba(185, 138, 46, .07);
  border-left: 2px solid var(--c-gold); border-radius: 0 2px 2px 0;
}

/* ---------- Business line illustration panel ---------- */
.bizline__media {
  margin: 0 0 22px; aspect-ratio: 16 / 9;
  border-radius: var(--r-sm);
  background: linear-gradient(135deg, #eef3f9 0%, #e1eaf4 100%);
  border: 1px solid var(--c-line);
  display: grid; place-items: center; overflow: hidden;
}
.bizline--featured .bizline__media {
  background: linear-gradient(135deg, #fbf3e2 0%, #fdf8ee 100%);
  border-color: rgba(185, 138, 46, .28);
}
.bizline__media svg, .bizline__media img { width: 66%; height: auto; display: block; }
.bizlines--compact .bizline__media { aspect-ratio: 21 / 9; margin-bottom: 18px; }
.bizlines--compact .bizline { padding: 28px 24px 24px; }
.bizlines--compact .bizline__title { font-size: 22px; }
.bizlines--compact .bizline__list { gap: 9px; margin: 18px 0 20px; }
.bizlines--compact .bizline__list li { font-size: 13.8px; padding-bottom: 9px; }

/* ---------- 22. Responsive ---------- */

/* ===== Authentic narrative：Company story and responsibility split ===== */
.story-en {
  font-size: 16.5px;
  line-height: 1.95;
  color: var(--c-muted);
  margin: 0 0 14px;
}
.story-cn {
  margin-top: 24px;
  padding: 18px 20px;
  background: var(--c-surface);
  border-left: 3px solid var(--c-gold);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  font-size: 14.5px;
  line-height: 1.95;
  color: var(--c-muted);
}
.story-cn b {
  display: block;
  margin-bottom: 6px;
  color: var(--c-ink);
  font-size: 13px;
  letter-spacing: .06em;
}
.card ul.split-list { list-style: none; margin: 18px 0 0; padding: 0; }
.card ul.split-list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 10px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-muted);
}
.card ul.split-list li::before {
  content: "";
  position: absolute; left: 0; top: 9px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--c-gold);
}
.split-note {
  margin-top: 28px;
  text-align: center;
  font-size: 14.5px;
  color: var(--c-muted-2);
}
@media (max-width: 560px) {
  .story-en { font-size: 15.5px; line-height: 1.85; }
}

/* Wide screens: a taller hero keeps the vehicle inside the visible crop band */
@media (min-width: 1600px) {
  .hero { min-height: 800px; }
}

@media (max-width: 1080px) {
  .bizlines { grid-template-columns: 1fr; gap: 20px; }
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__visual { display: none; }
  .network { grid-template-columns: 1fr; gap: 44px; }
  .about-intro { grid-template-columns: 1fr; gap: 44px; }
  .contact-grid { grid-template-columns: 1fr; gap: 44px; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .values { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .metrics { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .nav {
    position: fixed;
    top: calc(var(--header-h) + 40px);
    left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--c-line);
    padding: 12px var(--pad) 20px;
    box-shadow: var(--shadow-md);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: all .3s var(--ease);
  }
  .nav.is-open { transform: none; opacity: 1; pointer-events: auto; }
  .nav a { width: 100%; padding: 14px 0; border-bottom: 1px solid var(--c-line-soft); }
  .nav a::after { display: none; }
  .nav-toggle { display: grid; }
  .header__cta .btn { display: none; }
  .topbar__list { gap: 16px; font-size: 12px; }
  .topbar__list li:nth-child(2) { display: none; }
  .section { padding: 72px 0; }
  .hero { padding-top: 72px; padding-bottom: 72px; }
  /* Narrow screens: copy spans the full width, so the scrim needs to be more even */
  .hero__photo img { object-position: 60% 50%; }
  .hero__content { max-width: 100%; }
  .hero__bg::before {
    background:
      linear-gradient(180deg, rgba(6, 16, 33, .70) 0%, rgba(6, 16, 33, .56) 38%, rgba(6, 16, 33, .78) 100%),
      linear-gradient(96deg, rgba(6, 16, 33, .66) 0%, rgba(6, 16, 33, .32) 100%);
  }
  .hero__stats { margin-top: 60px; }
  .hero__stats .grid { grid-template-columns: 1fr 1fr; }
  .stat { padding: 22px 0; border-left: 0; }
  .stat:nth-child(even) { padding-left: 24px; border-left: 1px solid rgba(255, 255, 255, .12); }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .cta__inner { flex-direction: column; align-items: flex-start; padding: 56px 0; }
  .form-grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 34px; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 560px) {
  :root { --pad: 18px; }
  .grid-4, .values, .metrics { grid-template-columns: 1fr; }
  .hero__actions .btn { width: 100%; }
  .brand__name { font-size: 17px; }
}

/* ===== Company tagline（Business tagline under the English name） ===== */
.tagline-en {
  font-size: 13px;
  line-height: 1.75;
  letter-spacing: .04em;
  color: var(--c-muted-2);
  margin: 0 0 14px;
}
.pagehead .tagline-en { color: rgba(255, 255, 255, .74); font-size: 13.5px; margin-top: 10px; }
.hero .tagline-en { color: rgba(255, 255, 255, .78); font-size: 14px; margin-top: 22px; }
.footer .tagline-en { color: #a9b8ca; }
.about-intro__text .tagline-en { margin: -8px 0 22px; }

/* Business-specific WhatsApp contacts */
body { padding-bottom: 76px; }
.whatsapp-contact { position: fixed; bottom: 0; left: 0; right: 0; z-index: 110; display: flex; justify-content: center; gap: 12px; padding: 12px 18px calc(12px + env(safe-area-inset-bottom)); background: #fff; border-top: 1px solid #e2e6ec; box-shadow: 0 -3px 16px rgba(12,21,36,.08); }
.whatsapp-contact a { display:flex; align-items:center; justify-content:center; min-height:44px; padding:8px 20px; border-radius:4px; background:#0b513c; color:#fff; font-size:14px; font-weight:600; text-align:center; line-height:1.4; }
.whatsapp-contact a:hover { background:#073b2b; }
.whatsapp-contact a:focus-visible { outline:3px solid #b98a2e; outline-offset:3px; }
@media(max-width:560px) { body { padding-bottom:calc(92px + env(safe-area-inset-bottom)); } .whatsapp-contact { gap:8px; padding-left:12px; padding-right:12px; } .whatsapp-contact a { flex:1; padding:8px; } }
@media(max-width:560px) { .whatsapp-contact a { min-width:0; overflow-wrap:anywhere; } }