:root {
  --brand: #ee4d2d;
  --brand-dark: #d73f20;
  --ink: #222;
  --muted: #666;
  --bg: #fff;
  --band: #fff5f2;
  --line: #eee;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Noto Sans TC", "Microsoft JhengHei", system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.center { text-align: center; }

.nav { position: sticky; top: 0; z-index: 10; background: #fff; border-bottom: 1px solid var(--line); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { font-weight: 700; font-size: 1.15rem; color: var(--brand); }
.nav nav { display: flex; align-items: center; gap: 18px; }
.nav nav a:not(.btn):hover { color: var(--brand); }

.btn {
  display: inline-block; background: var(--brand); color: #fff;
  padding: 10px 22px; border-radius: 8px; font-weight: 600;
  transition: background .15s, transform .15s;
}
.btn:hover { background: var(--brand-dark); transform: translateY(-1px); }
.btn-sm { padding: 6px 14px; font-size: .9rem; }
.btn-lg { padding: 14px 32px; font-size: 1.1rem; background: #fff; color: var(--brand); }
.btn-lg:hover { background: #fff; color: var(--brand-dark); }

.hero {
  background: linear-gradient(135deg, #ff7a4d, var(--brand));
  color: #fff; text-align: center; padding: 80px 0;
}
.hero h1 { margin: 0 0 12px; font-size: clamp(2rem, 6vw, 3.2rem); }
.hero p { margin: 0 0 28px; font-size: 1.15rem; opacity: .95; }

.section { padding: 56px 16px; }
.section h2 { text-align: center; margin: 0 0 32px; font-size: 1.7rem; }
.band { background: var(--band); }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 20px; margin-bottom: 32px; }
.card {
  border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: #fff;
  transition: box-shadow .2s, transform .2s; display: flex; flex-direction: column;
}
.card:hover { box-shadow: 0 8px 24px rgba(0,0,0,.1); transform: translateY(-3px); }
.card img, .card .ph { width: 100%; aspect-ratio: 1; object-fit: cover; background: #f4f4f4; }
.card .ph { display: grid; place-items: center; font-size: 3rem; }
.card .info { padding: 14px; }
.card .name { font-weight: 600; margin-bottom: 4px; }
.card .price { color: var(--brand); font-weight: 700; font-size: 1.1rem; }

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; }
.feature { text-align: center; padding: 8px; }
.feature .icon { font-size: 2.4rem; }
.feature h3 { margin: 8px 0 4px; }
.feature p { margin: 0; color: var(--muted); }

.contact { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.contact a { display: inline-block; padding: 8px 18px; border: 1px solid var(--line); border-radius: 999px; }
.contact a:hover { border-color: var(--brand); color: var(--brand); }

footer { background: #222; color: #bbb; text-align: center; padding: 24px 0; font-size: .9rem; }

@media (max-width: 600px) {
  .nav nav a:not(.btn) { display: none; }
  .hero { padding: 56px 0; }
}

img { max-width: 100%; height: auto; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 8px; top: 8px; background: #fff; padding: 8px 12px; z-index: 20; }
a:focus-visible, summary:focus-visible { outline: 3px solid #ffb199; outline-offset: 2px; }
.card .name { font-size: 1rem; margin: 0 0 4px; }
.faq { max-width: 720px; margin: 0 auto; }
.faq details { border: 1px solid var(--line); border-radius: 10px; padding: 12px 16px; margin-bottom: 10px; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq p { margin: 8px 0 0; color: var(--muted); }
.nav { padding-top: env(safe-area-inset-top); }
@media (max-width: 600px) { .nav nav { gap: 10px; } .section { padding: 40px 16px; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }

.brand { display: inline-flex; align-items: center; gap: 8px; }
.brand img { border-radius: 8px; }

.grid { grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); align-items: start; }
.card:hover { transform: none; }
.card .thumb { display: block; }
.card .info { display: flex; flex-direction: column; gap: 8px; }
.card .name { font-size: 1.05rem; margin: 0; line-height: 1.4; }
.card .name a:hover { color: var(--brand); }
.card .desc { margin: 0; color: var(--muted); font-size: .95rem; }
.card .use { margin: 0; font-size: .9rem; }
.card details { border-top: 1px solid var(--line); padding-top: 8px; font-size: .9rem; }
.card summary { cursor: pointer; color: var(--brand); font-weight: 600; }
.card .feat { margin: 8px 0; padding-left: 20px; }
.card .spec { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; }
.card .spec dt { color: var(--muted); }
.card .spec dd { margin: 0; }
.card .buy { text-align: center; margin-top: 4px; }

address { font-style: normal; margin: 0 0 16px; }
address a { text-decoration: underline; }
address a:hover { color: var(--brand); }

.card .zh { margin: -4px 0 0; color: var(--muted); font-size: .85rem; }
.card .alt-link { text-align: center; font-size: .85rem; color: var(--muted); text-decoration: underline; }
.card .alt-link:hover { color: var(--brand); }
.export-note { margin: 28px 0 0; }
.nav nav { flex-wrap: wrap; justify-content: flex-end; }