/* TZA TIAN TRADERS — mobile-first, light industrial theme */
:root {
  --bg: #f2f7f3;
  --bg-elev: #e4efe7;
  --bg-card: #ffffff;
  --ink: #161b22;
  --navy: #1c2430;
  --accent: #2c3a4a;
  --accent-bright: #1e3a5f;
  --accent-glow: rgba(44, 58, 74, 0.16);
  --gold: #b8872c;
  --gold-soft: rgba(184, 135, 44, 0.14);
  --text: #1a1f26;
  --text-muted: #4a5560;
  --border: rgba(28, 35, 43, 0.14);
  --success: #1f7a4d;
  --wa: #25D366;
  --wa-ink: #ffffff;
  --product-bg: #f4f6f8;
  --header-bg: #e8f5e9;
  --header-border: #c5dcc9;
  --radius: 14px;
  --max: 1120px;
  --nav-h: 84px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", "PingFang HK", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: clip;
}

main { flex: 1; }

img {
  max-width: 100%;
  height: auto;
  display: block;
  vertical-align: middle;
}
img[src$=".jpg"],
img[src$=".jpeg"],
img[src$=".png"],
img[src$=".webp"] {
  background: var(--product-bg);
}

a { color: var(--accent-bright); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* Language: one language at a time (Chinese default; EN only after switch) */
.t-en { display: none !important; }
html[data-lang="en"] .t-zh { display: none !important; }
html[data-lang="en"] .t-en { display: inline !important; }

.lang-switch {
  display: inline-flex;
  align-items: stretch;
  border: 1px solid var(--header-border);
  border-radius: 999px;
  overflow: hidden;
  background: #fff;
  flex-shrink: 0;
}
.lang-btn {
  border: 0;
  background: transparent;
  color: var(--text);
  font-weight: 700;
  font-size: 0.78rem;
  min-height: 40px;
  padding: 0 0.7rem;
  cursor: pointer;
  font-family: inherit;
  line-height: 1;
}
.lang-btn[aria-pressed="true"] {
  background: var(--ink);
  color: #fff;
}
.lang-btn:focus-visible { outline: 2px solid var(--gold); outline-offset: -2px; }

/* Skip link */
.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 1000;
}
.skip:focus { left: 1rem; top: 1rem; }

/* NAV — light header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  min-height: var(--nav-h);
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--header-border);
  box-shadow: 0 1px 0 rgba(255,255,255,0.7);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  min-height: var(--nav-h);
  gap: 0.75rem;
  position: relative;
}
.nav-inner .brand { margin-right: auto; }

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink);
  text-decoration: none;
  min-width: 0;
  flex: 1 1 auto;
}
.brand:hover { text-decoration: none; color: var(--ink); }

.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: #ffffff;
  border: 1px solid #c5dcc9;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  overflow: hidden;
}
.brand-mark svg,
.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.brand-text { display: flex; flex-direction: column; line-height: 1.15; min-width: 0; }
.brand-name {
  white-space: nowrap;
  font-size: 1.5rem;
  font-weight: 800;
  color: #12161c;
  letter-spacing: 0.04em;
}
.brand-sub {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  color: #5a6270;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 0.12rem;
}

.nav-tools {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.15rem 0.85rem;
  list-style: none;
  font-size: 0.98rem;
}
.nav-links a {
  color: var(--ink);
  font-weight: 700;
  padding: 0.45rem 0.15rem;
  border-bottom: 2px solid transparent;
  text-decoration: none;
}
.nav-links a:hover,
.nav-links a:focus,
.nav-links a[aria-current="page"] {
  color: var(--ink);
  border-bottom-color: var(--gold);
  text-decoration: none;
}
.nav-links a[aria-current="page"] { color: #12161c; }

a[href*="wa.me"],
a.btn-wa,
a.nav-cta,
.btn-wa,
.nav-cta {
  background: #25D366 !important;
  color: #ffffff !important;
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  background: var(--wa) !important;
  color: var(--wa-ink) !important;
  font-weight: 700;
  font-size: 0.88rem;
  padding: 0.45rem 0.95rem;
  min-height: 48px;
  border-radius: 999px;
  border: none !important;
  text-decoration: none !important;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.35);
}
.nav-cta:hover { filter: brightness(1.05); border-bottom-color: transparent !important; }

.nav-cta-bar {
  display: inline-flex;
  font-size: 0.85rem;
  padding: 0.4rem 0.85rem;
  min-height: 48px;
}

.nav-toggle {
  display: none;
  background: #fff;
  border: 1px solid var(--header-border);
  color: var(--ink);
  padding: 0.4rem 0.7rem;
  border-radius: 10px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 700;
  font-family: inherit;
  min-height: 48px;
  align-items: center;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1rem;
  min-height: 48px;
  padding: 0.9rem 1.35rem;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  text-decoration: none !important;
  transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s, background 0.15s;
  font-family: inherit;
  letter-spacing: 0.01em;
}
.btn:hover { transform: translateY(-1px); }
.btn:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

.btn-wa {
  background: var(--wa);
  color: var(--wa-ink);
  box-shadow: 0 8px 22px rgba(37, 211, 102, 0.32);
}
.btn-wa:hover { filter: brightness(1.05); }

.btn-ghost {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: var(--ink); color: var(--ink); }

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 20px var(--accent-glow);
}
.btn-primary:hover { filter: brightness(1.08); }

.btn-wa-lg { font-size: 1.08rem; padding: 1rem 1.75rem; min-height: 52px; }

/* HERO */
.hero {
  position: relative;
  overflow: hidden;
  padding: 3.25rem 0 3rem;
  background:
    linear-gradient(180deg, var(--header-bg) 0%, var(--bg) 100%);
}

.hero-page { padding: 2.5rem 0 2rem; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--navy);
  background: #fff;
  border: 1px solid var(--header-border);
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  margin-bottom: 1.25rem;
}

.hero h1 {
  font-size: clamp(1.7rem, 4.2vw, 2.4rem);
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 1rem;
  color: var(--ink);
}
.hero h1 .highlight {
  color: var(--gold);
  display: block;
  margin-top: 0.35rem;
}

.hero-sub {
  font-size: 1.08rem;
  color: var(--text-muted);
  max-width: 36rem;
  margin-bottom: 1.75rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 1.75rem;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.35rem 1.85rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.hero-stats dt {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 600;
}
.hero-stats dd {
  font-size: 1.08rem;
  font-weight: 800;
  color: var(--ink);
}

.hero-visual {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 16px 36px rgba(28, 35, 43, 0.12);
  aspect-ratio: 16 / 9;
  background: var(--product-bg);
}
.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, transparent 45%, rgba(16, 20, 28, 0.45));
  pointer-events: none;
}
.rack-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(90deg, transparent 0, transparent 22px, rgba(255,255,255,0.03) 22px, rgba(255,255,255,0.03) 23px),
    repeating-linear-gradient(0deg, transparent 0, transparent 32px, rgba(255,255,255,0.03) 32px, rgba(255,255,255,0.03) 33px);
  z-index: 1;
}
.hero-price-tag {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  z-index: 2;
  background: rgba(255,255,255,0.94);
  border: 1px solid rgba(184, 135, 44, 0.4);
  border-radius: 10px;
  padding: 0.8rem 1rem;
  max-width: calc(100% - 2rem);
  box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}
.hero-price-tag strong {
  display: block;
  color: var(--ink);
  font-size: 0.98rem;
}
.hero-price-tag span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Sections */
section { padding: 3.5rem 0; }
section.alt { background: var(--bg-elev); }

.section-head {
  margin-bottom: 2.25rem;
  max-width: 42rem;
}
.section-head .eyebrow {
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.55rem;
}
.section-head h2 {
  font-size: clamp(1.45rem, 3.2vw, 1.9rem);
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 0.7rem;
  color: var(--ink);
}
.section-head p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* Cards — light, high contrast */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.card-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem 1.45rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 14px rgba(28, 35, 43, 0.05);
}
.card:hover {
  border-color: rgba(184, 135, 44, 0.45);
  box-shadow: 0 10px 24px rgba(28, 35, 43, 0.08);
}
.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--gold-soft);
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
  color: #7a5a16;
  font-size: 1.15rem;
  font-weight: 800;
}
.card h3 {
  font-size: 1.12rem;
  font-weight: 800;
  margin-bottom: 0.55rem;
  color: var(--ink);
}
.card p {
  font-size: 1rem;
  color: var(--text-muted);
}
.card ul {
  margin-top: 0.75rem;
  padding-left: 1.1rem;
  color: var(--text-muted);
  font-size: 1rem;
}
.card ul li { margin-bottom: 0.4rem; }

/* Callout */
.callout {
  margin-top: 2rem;
  padding: 1.45rem 1.5rem;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid rgba(184, 135, 44, 0.35);
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.callout-mark {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gold);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 1.1rem;
}
.callout p {
  font-size: 1.08rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink);
}
.callout .note {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.92rem;
  font-weight: 400;
  color: var(--text-muted);
}

/* Dual audience */
.audience-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.audience-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem 1.6rem;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 14px rgba(28, 35, 43, 0.05);
}
.audience-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--success));
}
.audience-card.overseas::before {
  background: linear-gradient(90deg, #c4891a, var(--gold));
}
.audience-card .label {
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #7a5a16;
  margin-bottom: 0.55rem;
}
.audience-card.overseas .label { color: #8a5a10; }
.audience-card h3 {
  font-size: 1.18rem;
  margin-bottom: 0.7rem;
  color: var(--ink);
  font-weight: 800;
}
.audience-card p {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 0.9rem;
}
.audience-card ul {
  list-style: none;
  font-size: 1rem;
  color: var(--text);
}
.audience-card ul li {
  padding: 0.35rem 0 0.35rem 1.35rem;
  position: relative;
}
.audience-card ul li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 700;
}

/* Business cards with images */
.biz-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.biz-grid-4 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}
.biz-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 14px rgba(28, 35, 43, 0.05);
}
.biz-card .thumb {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--product-bg);
  position: relative;
}
.biz-card .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.biz-card .thumb-product {
  background: var(--product-bg);
}
.biz-card .thumb-product img {
  object-fit: contain;
  object-position: center;
  padding: 0.85rem 0.75rem;
  background: var(--product-bg);
}
.biz-card .thumb-scene img {
  object-fit: cover;
  object-position: center;
}
.biz-card .thumb .tag {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  background: rgba(255,255,255,0.94);
  color: var(--ink);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.3rem 0.6rem;
  border-radius: 6px;
  border: 1px solid var(--border);
}
.biz-card .body { padding: 1.35rem 1.4rem 1.55rem; flex: 1; }
.biz-card h3 {
  font-size: 1.12rem;
  margin-bottom: 0.55rem;
  font-weight: 800;
  color: var(--ink);
}
.biz-card p {
  font-size: 1rem;
  color: var(--text-muted);
}
.biz-card.featured {
  border-color: rgba(184, 135, 44, 0.5);
  box-shadow: 0 0 0 1px rgba(184, 135, 44, 0.12), 0 12px 28px rgba(28, 35, 43, 0.08);
}

/* Advantages */
.adv-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
}
.adv-item {
  text-align: center;
  padding: 1.45rem 0.95rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 4px 14px rgba(28, 35, 43, 0.05);
}
.adv-item .num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--gold);
  margin-bottom: 0.45rem;
  line-height: 1;
}
.adv-item h3 {
  font-size: 1.02rem;
  margin-bottom: 0.45rem;
  color: var(--ink);
  font-weight: 800;
}
.adv-item p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Process steps */
.process {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.85rem;
  counter-reset: step;
}
.process-step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem 1.1rem;
  position: relative;
  box-shadow: 0 4px 14px rgba(28, 35, 43, 0.05);
}
.process-step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  display: block;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--gold);
  margin-bottom: 0.5rem;
}
.process-step h3 {
  font-size: 1.02rem;
  margin-bottom: 0.45rem;
  color: var(--ink);
  font-weight: 800;
}
.process-step p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* Gallery */
.gallery {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 0.75rem;
  margin-top: 2rem;
}
.gallery figure {
  margin: 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--product-bg);
}
.gallery figure.figure-scene,
.gallery figure:first-child.figure-scene {
  aspect-ratio: 16 / 9;
  background: var(--product-bg);
}
.gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  position: absolute;
  inset: 0;
}
.gallery figure.figure-product img {
  object-fit: contain;
  padding: 0.7rem;
  background: var(--product-bg);
}
.gallery figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 0.6rem 0.75rem;
  background: linear-gradient(transparent, rgba(16, 20, 28, 0.72));
  font-size: 0.8rem;
  color: #fff;
  z-index: 1;
  font-weight: 600;
}

/* WhatsApp CTA section */
.wa-section { position: relative; overflow: hidden; }
.wa-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 50% 50%, rgba(37,211,102,0.12), transparent 70%);
  pointer-events: none;
}
.wa-box {
  position: relative;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  background: #fff;
  border: 1px solid rgba(37,211,102,0.4);
  border-radius: 16px;
  box-shadow: 0 12px 32px rgba(37, 211, 102, 0.12);
}
.wa-box h2 {
  font-size: clamp(1.25rem, 2.6vw, 1.6rem);
  font-weight: 800;
  margin-bottom: 1rem;
  line-height: 1.45;
  color: var(--ink);
}
.wa-flow {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.55rem;
  margin: 1.35rem 0 1.85rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}
.wa-flow span {
  background: rgba(37,211,102,0.1);
  border: 1px solid rgba(37,211,102,0.28);
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  color: var(--ink);
  font-weight: 600;
}
.wa-flow .arrow { background: none; border: none; color: var(--text-muted); padding: 0.5rem 0.15rem; }
.wa-note {
  margin-top: 1.1rem;
  font-size: 0.92rem;
  color: var(--text-muted);
}

/* Quote form */
.quote-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 2rem;
  align-items: start;
}
.quote-info .locked-line {
  font-weight: 800;
  color: var(--gold);
  margin: 1rem 0;
  font-size: 1.08rem;
}
.quote-checklist {
  list-style: none;
  margin: 1.25rem 0;
}
.quote-checklist li {
  padding: 0.7rem 0 0.7rem 1.5rem;
  position: relative;
  border-bottom: 1px solid var(--border);
  font-size: 1.02rem;
  color: var(--text-muted);
}
.quote-checklist li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 700;
}
.quote-checklist strong { color: var(--ink); }

.form-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: 0 4px 14px rgba(28, 35, 43, 0.05);
}
.form-card h2 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--ink);
}
.form-card .form-hint {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}
.form-group { margin-bottom: 1.05rem; }
.form-group label {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  color: var(--ink);
}
.form-group label .opt {
  font-weight: 400;
  color: var(--text-muted);
  font-size: 0.85rem;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.85rem 0.95rem;
  color: var(--text);
  font-size: 16px;
  font-family: inherit;
  min-height: 48px;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-soft);
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%234a5560' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.85rem center;
  padding-right: 2.2rem;
}
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}
.form-note {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.55;
}
.en-line {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.95rem;
  color: var(--text-muted);
  font-style: italic;
}

/* Contact page */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}
.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem 1.45rem;
  box-shadow: 0 4px 14px rgba(28, 35, 43, 0.05);
}
.contact-card.wa-highlight {
  border-color: rgba(37,211,102,0.45);
  background: linear-gradient(160deg, rgba(37,211,102,0.08), #fff);
}
.contact-card h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #7a5a16;
  margin-bottom: 0.65rem;
  font-weight: 800;
}
.contact-card .value {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 0.4rem;
  color: var(--ink);
}
.contact-card p {
  font-size: 1rem;
  color: var(--text-muted);
}
.contact-card .actions {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.address-block {
  margin-top: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: 0 4px 14px rgba(28, 35, 43, 0.05);
}
.address-block h2 {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
  color: var(--ink);
}
.address-block address {
  font-style: normal;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 0.75rem;
}
.hours-list {
  list-style: none;
  margin-top: 0.75rem;
}
.hours-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 1rem;
  color: var(--text-muted);
}
.hours-list li span:last-child { color: var(--ink); font-weight: 700; }

/* Footer — light, not black */
.site-footer {
  background: #efebe4;
  border-top: 1px solid var(--header-border);
  padding: 2.5rem 0 1.75rem;
}
.footer-trust {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 48rem;
  margin-bottom: 1.75rem;
  line-height: 1.75;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.75rem;
}
.footer-grid h3 {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #7a5a16;
  margin-bottom: 0.7rem;
  font-weight: 800;
}
.footer-grid p,
.footer-grid a {
  font-size: 0.98rem;
  color: var(--text-muted);
}
.footer-grid a:hover { color: var(--ink); }
.footer-company {
  font-weight: 800;
  color: var(--ink) !important;
  font-size: 1.08rem !important;
  margin-bottom: 0.35rem;
}
.footer-br {
  font-size: 0.8rem !important;
  margin-top: 0.5rem;
  opacity: 0.85;
}
.footer-bottom {
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.section-cta { margin-top: 1.75rem; text-align: center; }
.quote-info .locked-line { color: var(--gold); }

/* Responsive — mobile first emphasis */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 1.75rem; }
  .hero-visual { max-width: 100%; }
  .card-grid, .biz-grid { grid-template-columns: 1fr; }
  .card-grid-2, .audience-grid, .quote-layout, .contact-grid, .biz-grid-4 { grid-template-columns: 1fr; }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .adv-grid .adv-item:last-child { grid-column: 1 / -1; }
  .process { grid-template-columns: 1fr 1fr; }
  .gallery { grid-template-columns: 1fr 1fr; }
  .gallery figure:first-child { grid-column: 1 / -1; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--header-bg);
    padding: 0.35rem 1rem 1.1rem;
    border-bottom: 1px solid var(--header-border);
    box-shadow: 0 12px 24px rgba(28, 35, 43, 0.08);
    gap: 0;
  }
  .nav-links.open { display: flex; }
  .nav-links li { border-bottom: 1px solid var(--header-border); }
  .nav-links a {
    display: flex;
    align-items: center;
    padding: 0.95rem 0.5rem;
    min-height: 52px;
    font-size: 1.08rem;
    font-weight: 800;
    color: var(--ink);
    border-bottom: 0;
  }
  .nav-links a[aria-current="page"] {
    color: var(--ink);
    box-shadow: inset 3px 0 0 var(--gold);
  }
  .nav-links a[href*="wa.me"],
a.btn-wa,
a.nav-cta,
.btn-wa,
.nav-cta {
  background: #25D366 !important;
  color: #ffffff !important;
}
.nav-cta {
    margin: 0.85rem 0.35rem 0.25rem;
    justify-content: center;
    border: none !important;
    min-height: 48px;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.35);
  }
}

@media (max-width: 720px) {
  :root { --nav-h: 76px; }
  body { font-size: 17px; }
  .container { width: min(100% - 1.5rem, var(--max)); }
  .brand-mark { width: 38px; height: 38px; }
  .brand-name { font-size: 1.32rem; }
  .brand-sub { display: block; font-size: 0.64rem; letter-spacing: 0.08em; }
  .lang-btn { min-height: 40px; padding: 0 0.55rem; font-size: 0.75rem; }
  .adv-grid { grid-template-columns: 1fr; }
  .adv-grid .adv-item:last-child { grid-column: auto; }
  .process { grid-template-columns: 1fr; }
  .hero { padding: 2rem 0 2.15rem; }
  .hero-page { padding: 1.75rem 0 1.5rem; }
  .hero h1 { font-size: 1.72rem; }
  .hero-sub { font-size: 1.05rem; }
  .hero-actions { flex-direction: column; align-items: stretch; gap: 0.75rem; }
  .hero-actions .btn,
  .form-actions .btn,
  .price-cta-row .btn,
  .contact-card .actions .btn,
  .section-cta .btn { width: 100%; }
  section { padding: 2.75rem 0; }
  .section-head { margin-bottom: 1.75rem; }
  .section-head h2 { font-size: 1.45rem; }
  .card, .audience-card, .form-card, .contact-card, .address-block, .process-step, .adv-item {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }
  .wa-box { padding: 1.85rem 1.2rem; }
  .wa-flow { flex-direction: column; align-items: stretch; }
  .wa-flow .arrow { display: none; }
  .biz-card .thumb { aspect-ratio: 16 / 11; }
  .hero-price-tag { left: 0.7rem; bottom: 0.7rem; padding: 0.7rem 0.8rem; }
}

@media (max-width: 380px) {
  .brand-name { font-size: 1.18rem; }
  .brand-mark { width: 34px; height: 34px; }
  .nav-cta-bar { padding: 0.35rem 0.65rem; font-size: 0.8rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn:hover { transform: none; }
}

/* —— 公開參考收購價板 prices.html —— */
.price-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  align-items: center;
  margin: 1.25rem 0 0.5rem;
  font-size: 0.98rem;
  color: var(--text-muted);
}
.price-meta .updated {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--header-border);
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  font-size: 0.92rem;
}
.price-meta .cadence {
  color: var(--success);
  font-weight: 700;
  font-size: 0.92rem;
}
.price-board-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  margin: 1.5rem 0;
  -webkit-overflow-scrolling: touch;
}
.price-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.98rem;
  min-width: 640px;
}
.price-table thead th {
  text-align: left;
  padding: 0.9rem 1rem;
  background: #f3efe6;
  color: var(--ink);
  font-weight: 800;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.price-table tbody td {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  color: var(--text);
}
.price-table tbody tr:last-child td { border-bottom: none; }
.price-table tbody tr:hover td { background: #f7f4ee; }
.price-table .sku { font-weight: 700; color: var(--ink); }
.price-table .sku-sub {
  display: block;
  font-weight: 500;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}
.price-table .range {
  font-weight: 800;
  color: var(--success);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.price-table .range .usd-hint {
  display: block;
  font-weight: 500;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}
.price-table .tag-new {
  display: inline-block;
  margin-left: 0.35rem;
  font-size: 0.72rem;
  font-weight: 700;
  color: #052e14;
  background: var(--wa);
  padding: 0.12rem 0.5rem;
  border-radius: 999px;
  vertical-align: middle;
}
.price-table .cat-head td {
  background: #efe8d8;
  color: var(--ink);
  font-weight: 800;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  padding: 0.75rem 1rem;
}
.price-disclaimer {
  margin: 1.25rem 0 0;
  padding: 1.1rem 1.2rem;
  border-left: 3px solid var(--gold);
  background: #fff;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.75;
}
.price-disclaimer strong { color: var(--ink); font-weight: 700; }
.price-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.75rem;
  align-items: center;
}
.price-notes {
  margin-top: 2rem;
  color: var(--text-muted);
  font-size: 0.98rem;
}
.price-notes ul {
  margin: 0.75rem 0 0 1.15rem;
  padding: 0;
}
.price-notes li { margin-bottom: 0.5rem; }
.price-notes .locked-line { color: var(--gold) !important; }
@media (max-width: 720px) {
  .price-table { font-size: 0.92rem; min-width: 560px; }
  .price-table thead th,
  .price-table tbody td { padding: 0.8rem 0.8rem; }
}