:root {
  --gb-bg: #111417;
  --gb-bg-soft: #171b20;
  --gb-card: #ffffff;
  --gb-panel: #f5f7fa;
  --gb-text: #151922;
  --gb-text-soft: #667085;
  --gb-muted: #aab4c0;
  --gb-blue: #1f5eff;
  --gb-blue-dark: #123cba;
  --gb-green: #12805c;
  --gb-red: #a93426;
  --gb-line: rgba(17, 24, 39, .12);
  --gb-line-dark: rgba(255, 255, 255, .12);
  --gb-shadow: 0 18px 50px rgba(15, 23, 42, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.gb-site {
  margin: 0;
  color: var(--gb-text);
  background: var(--gb-panel);
  font-family: Inter, "Noto Sans TC", "Noto Sans HK", "Microsoft JhengHei", system-ui, sans-serif;
}
body.gb-site a { color: inherit; text-decoration: none; }

.gb-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: .85rem clamp(1rem, 3vw, 3rem);
  border-bottom: 1px solid var(--gb-line-dark);
  background: rgba(17, 20, 23, .92);
  backdrop-filter: blur(16px);
}
.gb-brand { display: inline-flex; align-items: center; gap: .75rem; color: #fff; }
.gb-brand-mark {
  display: grid;
  width: 2.5rem;
  height: 2.5rem;
  place-items: center;
  border-radius: .75rem;
  background: linear-gradient(135deg, var(--gb-blue), #0c1f52);
  font-weight: 900;
  letter-spacing: -.06em;
}
.gb-brand strong, .gb-brand small { display: block; }
.gb-brand strong { line-height: 1; }
.gb-brand small { margin-top: .18rem; color: var(--gb-muted); font-size: .73rem; }
.gb-nav { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 1rem; color: #d7dde6; font-size: .88rem; font-weight: 750; }
.gb-nav a { opacity: .78; }
.gb-nav a:hover { opacity: 1; color: #fff; }
.gb-header-actions { display: flex; align-items: center; gap: .65rem; }
.gb-cart-link {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  min-height: 2.35rem;
  padding: 0 .75rem;
  border: 1px solid var(--gb-line-dark);
  border-radius: 999px;
  color: #fff;
  font-size: .82rem;
  font-weight: 850;
}
.gb-cart-link span {
  display: grid;
  min-width: 1.25rem;
  height: 1.25rem;
  place-items: center;
  border-radius: 999px;
  background: var(--gb-blue);
  font-size: .72rem;
}
.gb-language-switcher {
  display: inline-flex;
  gap: .2rem;
  padding: .2rem;
  border: 1px solid var(--gb-line-dark);
  border-radius: 999px;
  background: rgba(255, 255, 255, .06);
}
.gb-language-switcher a {
  padding: .38rem .58rem;
  border-radius: 999px;
  color: #cfd7e1;
  font-size: .76rem;
  font-weight: 900;
}
.gb-language-switcher a.active { color: #fff; background: var(--gb-blue); }

.gb-main { min-height: 72vh; }
.gb-hero,
.gb-section,
.gb-checkout-band,
.gb-page-shell,
.gb-shop-shell {
  width: min(1240px, calc(100% - 2rem));
  margin-right: auto;
  margin-left: auto;
}
.gb-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(330px, .65fr);
  gap: clamp(1.2rem, 4vw, 3rem);
  align-items: stretch;
  padding: clamp(2rem, 6vw, 4.5rem) 0 2rem;
}
.gb-hero-copy,
.gb-hero-panel {
  border: 1px solid var(--gb-line-dark);
  border-radius: 1.4rem;
  background:
    radial-gradient(circle at top left, rgba(31, 94, 255, .25), transparent 26rem),
    linear-gradient(135deg, #171b20, #0f1215);
  box-shadow: var(--gb-shadow);
}
.gb-hero-copy { padding: clamp(1.4rem, 4vw, 3rem); color: #fff; }
.gb-eyebrow {
  display: inline-flex;
  margin-bottom: .75rem;
  color: #9db7ff;
  font-size: .76rem;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.gb-hero h1,
.gb-section h2,
.gb-checkout-band h2,
.gb-dealer-hero h1,
.gb-content-card h1 {
  margin: 0 0 .85rem;
  letter-spacing: -.045em;
  line-height: 1;
}
.gb-hero h1 {
  max-width: 13ch;
  font-size: clamp(2.65rem, 6vw, 5.8rem);
}
.gb-hero p,
.gb-section-head p,
.gb-split p,
.gb-checkout-band p,
.gb-dealer-hero p {
  margin: 0;
  color: var(--gb-text-soft);
  font-size: 1rem;
  line-height: 1.75;
}
.gb-hero p { max-width: 720px; color: #c8d1dc; font-size: clamp(1rem, 1.5vw, 1.18rem); }
.gb-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.6rem; }
.gb-button,
.woocommerce a.button,
.woocommerce button.button,
.woocommerce input.button,
.woocommerce #respond input#submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0 1rem;
  border: 0;
  border-radius: .75rem;
  font: inherit;
  font-weight: 900;
  line-height: 1;
  cursor: pointer;
}
.gb-button-primary,
.woocommerce a.button,
.woocommerce button.button,
.woocommerce input.button,
.woocommerce #respond input#submit {
  color: #fff;
  background: var(--gb-blue);
}
.gb-button-primary:hover,
.woocommerce a.button:hover,
.woocommerce button.button:hover,
.woocommerce input.button:hover,
.woocommerce #respond input#submit:hover {
  color: #fff;
  background: var(--gb-blue-dark);
}
.gb-button-secondary {
  color: #fff;
  background: transparent;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .24);
}
.gb-hero-panel { display: grid; align-content: center; gap: .8rem; padding: 1rem; }
.gb-panel-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .95rem 1rem;
  border: 1px solid var(--gb-line-dark);
  border-radius: 1rem;
  color: #dce4ee;
  background: rgba(255, 255, 255, .055);
}
.gb-panel-row span { color: var(--gb-muted); font-size: .83rem; }
.gb-panel-row strong { color: #fff; font-size: .96rem; }
.gb-trust-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .65rem;
  margin-top: .4rem;
}
.gb-trust-strip span {
  padding: .75rem;
  border-radius: .9rem;
  color: #e6edf6;
  background: rgba(31, 94, 255, .18);
  font-size: .82rem;
  font-weight: 850;
}

.gb-section { padding: clamp(2.4rem, 5vw, 4.4rem) 0; }
.gb-section-head { max-width: 760px; margin-bottom: 1.35rem; }
.gb-section h2,
.gb-checkout-band h2,
.gb-content-card h1 { color: var(--gb-text); font-size: clamp(2rem, 3.5vw, 3.2rem); }
.gb-inline-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  max-width: none;
}
.gb-text-link { color: var(--gb-blue); font-weight: 900; }
.gb-platform-grid,
.gb-product-grid,
.gb-compliance-grid,
.gb-dealer-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .85rem;
}
.gb-platform-grid a,
.gb-product-card,
.gb-compliance-grid article,
.gb-content-card,
.gb-dealer-steps article,
.gb-dealer-form-card {
  border: 1px solid var(--gb-line);
  border-radius: 1.1rem;
  background: var(--gb-card);
  box-shadow: var(--gb-shadow);
}
.gb-platform-grid a {
  min-height: 138px;
  padding: 1rem;
}
.gb-platform-grid span { color: var(--gb-blue); font-size: .75rem; font-weight: 950; }
.gb-platform-grid strong,
.gb-platform-grid small { display: block; }
.gb-platform-grid strong { margin-top: 2.2rem; font-size: 1.12rem; }
.gb-platform-grid small { margin-top: .28rem; color: var(--gb-text-soft); line-height: 1.45; }

.gb-product-section { border-top: 1px solid var(--gb-line); }
.gb-product-card { overflow: hidden; }
.gb-product-image {
  display: block;
  aspect-ratio: 4 / 3;
  background: #e8edf4;
}
.gb-product-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.gb-product-body { padding: .95rem; }
.gb-tag {
  display: inline-flex;
  margin-bottom: .55rem;
  padding: .28rem .5rem;
  border-radius: 999px;
  font-size: .69rem;
  font-weight: 950;
}
.gb-tag.is-stock { color: var(--gb-green); background: #dcfce7; }
.gb-tag.is-review { color: var(--gb-red); background: #fee2e2; }
.gb-product-card h3 { min-height: 2.8rem; margin: 0 0 .45rem; font-size: .98rem; line-height: 1.35; }
.gb-product-card p { min-height: 2.7rem; margin: 0; color: var(--gb-text-soft); font-size: .86rem; line-height: 1.5; }
.gb-product-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  margin: .85rem 0;
  color: var(--gb-text-soft);
  font-size: .78rem;
}
.gb-product-meta strong { color: var(--gb-text); text-align: right; }
.gb-product-card .gb-button { width: 100%; min-height: 2.55rem; }
.gb-product-empty { min-height: 320px; }

.gb-split,
.gb-checkout-band {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(320px, .62fr);
  gap: 1.2rem;
  align-items: center;
}
.gb-capability-list { display: grid; gap: .7rem; }
.gb-capability-list div {
  display: flex;
  align-items: center;
  gap: .9rem;
  padding: .9rem 1rem;
  border: 1px solid var(--gb-line);
  border-radius: .95rem;
  background: #fff;
}
.gb-capability-list strong { color: var(--gb-blue); }
.gb-compliance-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.gb-compliance-grid article { min-height: 168px; padding: 1rem; }
.gb-compliance-grid strong { display: block; margin-bottom: .55rem; font-size: 1.08rem; }
.gb-compliance-grid span { color: var(--gb-text-soft); line-height: 1.58; }
.gb-checkout-band {
  margin-top: 1rem;
  margin-bottom: 3rem;
  padding: clamp(1.2rem, 3vw, 2rem);
  border-radius: 1.35rem;
  color: #fff;
  background:
    radial-gradient(circle at top left, rgba(31, 94, 255, .3), transparent 24rem),
    linear-gradient(135deg, #171b20, #0f1215);
  box-shadow: var(--gb-shadow);
}
.gb-checkout-band h2 { color: #fff; }
.gb-checkout-band p { color: #c8d1dc; }
.gb-checkout-card {
  display: grid;
  gap: .7rem;
  padding: 1rem;
  border: 1px solid var(--gb-line-dark);
  border-radius: 1rem;
  background: rgba(255, 255, 255, .07);
}
.gb-checkout-card small { color: var(--gb-muted); line-height: 1.5; }

.gb-shop-shell { padding: 2rem 0 3.5rem; }
.gb-shop-shell h1,
.gb-shop-shell h2,
.gb-shop-shell h3,
.woocommerce .gb-shop-shell h1,
.woocommerce .gb-shop-shell h2,
.woocommerce .gb-shop-shell h3 { color: var(--gb-text); }
.gb-catalog-filter {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(270px, .36fr);
  gap: .85rem;
  margin: 0 0 1rem;
}
.gb-catalog-filter details,
.gb-shop-note {
  border: 1px solid var(--gb-line);
  border-radius: 1rem;
  background: #fff;
  box-shadow: var(--gb-shadow);
}
.gb-catalog-filter summary {
  padding: .95rem 1rem;
  color: var(--gb-text);
  font-weight: 950;
  cursor: pointer;
}
.gb-filter-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .65rem;
  padding: 0 1rem 1rem;
}
.gb-filter-grid a {
  display: grid;
  gap: .2rem;
  padding: .75rem;
  border: 1px solid var(--gb-line);
  border-radius: .8rem;
  background: var(--gb-panel);
}
.gb-filter-grid strong { color: var(--gb-text); font-size: .92rem; }
.gb-filter-grid span,
.gb-shop-note span { color: var(--gb-text-soft); font-size: .82rem; line-height: 1.45; }
.gb-shop-note { display: grid; align-content: center; gap: .35rem; padding: .95rem 1rem; }
.gb-shop-note strong { color: var(--gb-blue); }
.woocommerce ul.products {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .9rem;
}
.woocommerce ul.products::before,
.woocommerce ul.products::after { display: none; }
.woocommerce ul.products li.product,
.woocommerce-page ul.products li.product {
  width: auto !important;
  float: none !important;
  margin: 0 !important;
  padding: .75rem !important;
  border: 1px solid var(--gb-line);
  border-radius: 1rem;
  background: #fff;
  box-shadow: var(--gb-shadow);
}
.woocommerce ul.products li.product a img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: .8rem;
  background: #e8edf4;
}
.woocommerce ul.products li.product .woocommerce-loop-product__title {
  min-height: 2.7rem;
  padding: .65rem 0 .2rem;
  color: var(--gb-text);
  font-size: .96rem;
  line-height: 1.35;
}
.gb-loop-meta {
  display: grid;
  gap: .14rem;
  margin: .25rem 0 .55rem;
  color: var(--gb-text-soft);
  font-size: .73rem;
  line-height: 1.35;
}
.gb-loop-meta strong { color: var(--gb-green); }
.woocommerce ul.products li.product .price {
  color: var(--gb-text);
  font-size: .98rem;
  font-weight: 950;
}
.woocommerce .woocommerce-result-count,
.woocommerce .woocommerce-ordering { margin-bottom: .85rem; color: var(--gb-text-soft); }
.woocommerce .woocommerce-ordering select {
  min-height: 2.55rem;
  border: 1px solid var(--gb-line);
  border-radius: .7rem;
  padding: 0 .7rem;
  background: #fff;
}

.gb-page-shell { padding: 2.5rem 0 4rem; }
.gb-content-card { padding: clamp(1rem, 3vw, 1.6rem); }
.gb-dealer-page { display: grid; gap: 1rem; }
.gb-dealer-hero {
  padding: clamp(1.4rem, 4vw, 3rem);
  border-radius: 1.2rem;
  color: #fff;
  background:
    radial-gradient(circle at top left, rgba(31, 94, 255, .3), transparent 25rem),
    #111417;
  box-shadow: var(--gb-shadow);
}
.gb-dealer-hero h1 { max-width: 12ch; color: #fff; font-size: clamp(2.3rem, 5vw, 4.8rem); }
.gb-dealer-hero p { max-width: 850px; color: #c8d1dc; }
.gb-dealer-steps { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.gb-dealer-steps article { min-height: 138px; padding: 1rem; }
.gb-dealer-steps strong { color: var(--gb-blue); font-size: .78rem; }
.gb-dealer-steps span { display: block; margin: 1.4rem 0 .28rem; font-weight: 950; }
.gb-dealer-steps small { color: var(--gb-text-soft); line-height: 1.5; }
.gb-dealer-form-card { padding: clamp(1rem, 3vw, 1.4rem); }
.gb-dealer-application-form { display: grid; gap: 1rem; }
.gb-form-intro { margin: 0; color: var(--gb-text-soft); }
.gb-form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .85rem; }
.gb-form-field { display: grid; gap: .35rem; color: var(--gb-text-soft); font-size: .84rem; font-weight: 850; }
.gb-form-field input,
.gb-form-field select,
.gb-form-field textarea {
  width: 100%;
  min-height: 2.85rem;
  border: 1px solid #cfd6df;
  border-radius: .72rem;
  color: var(--gb-text);
  background: #fff;
  font: inherit;
  padding: 0 .75rem;
}
.gb-form-field textarea { min-height: 8rem; padding-top: .75rem; resize: vertical; }
.gb-full { margin-top: .1rem; }
.gb-acknowledgement { display: flex; gap: .65rem; color: var(--gb-text-soft); line-height: 1.55; }
.gb-acknowledgement input { margin-top: .25rem; }
.gb-form-error,
.gb-form-success {
  margin-bottom: 1rem;
  padding: .95rem 1rem;
  border-radius: .9rem;
  line-height: 1.55;
}
.gb-form-error { color: var(--gb-red); background: #fee2e2; }
.gb-form-success { color: var(--gb-green); background: #dcfce7; }
.gb-honeypot-field {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.gb-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.2rem clamp(1rem, 3vw, 3rem);
  border-top: 1px solid var(--gb-line);
  color: var(--gb-text-soft);
  background: #fff;
  font-size: .86rem;
}

@media (max-width: 1100px) {
  .gb-nav { display: none; }
  .gb-hero,
  .gb-split,
  .gb-checkout-band,
  .gb-catalog-filter { grid-template-columns: 1fr; }
  .gb-platform-grid,
  .gb-product-grid,
  .woocommerce ul.products { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  .gb-header { align-items: flex-start; flex-direction: column; }
  .gb-header-actions { width: 100%; justify-content: space-between; }
  .gb-platform-grid,
  .gb-product-grid,
  .gb-compliance-grid,
  .gb-dealer-steps,
  .woocommerce ul.products { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gb-filter-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gb-form-grid { grid-template-columns: 1fr; }
  .gb-inline-head { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 640px) {
  .gb-hero,
  .gb-section,
  .gb-checkout-band,
  .gb-page-shell,
  .gb-shop-shell { width: min(100% - 1rem, 1240px); }
  .gb-hero { padding-top: 1rem; }
  .gb-hero h1 { font-size: 2.55rem; }
  .gb-platform-grid,
  .gb-product-grid,
  .gb-compliance-grid,
  .gb-dealer-steps,
  .woocommerce ul.products,
  .gb-filter-grid,
  .gb-trust-strip { grid-template-columns: 1fr; }
  .gb-section { padding: 2.2rem 0; }
  .gb-footer { flex-direction: column; }
}