/* =========================================================
   永遠連線中 國際代購 — Stylesheet
   Theme: "Dawn / 晨曦" — warm coral, peach blush & soft gold
   ========================================================= */

:root {
  /* Palette */
  --cream: #fffcf8;
  --cream-2: #fff6ee;
  --blush: #ffeadf;
  --peach: #ffd8c9;
  --pink: #ffc9c9;
  --coral: #f4795b;
  --coral-deep: #e1573a;
  --gold: #e8a838;
  --gold-soft: #f6cd7b;
  --rose: #e26d8a;
  --ink: #33272a;
  --ink-soft: #5d4f50;
  --muted: #927f7a;
  --line: #f0e3da;
  --white: #ffffff;

  /* Gradients */
  --grad-dawn: linear-gradient(135deg, #ffe7d4 0%, #ffd5cd 45%, #ffc6d8 100%);
  --grad-coral: linear-gradient(135deg, #f7895f 0%, #ec5f6e 100%);
  --grad-gold: linear-gradient(135deg, #f6cd7b 0%, #e8a838 100%);
  --grad-sun: radial-gradient(circle at 70% 30%, rgba(255,221,150,.9), rgba(255,176,140,0) 55%);

  /* Shells */
  --radius: 18px;
  --radius-lg: 28px;
  --radius-sm: 12px;
  --shadow-sm: 0 6px 18px rgba(193, 120, 80, .10);
  --shadow: 0 18px 40px rgba(193, 110, 70, .16);
  --shadow-lg: 0 30px 70px rgba(180, 95, 60, .22);
  --maxw: 1180px;

  --font-serif: "Noto Serif TC", "Songti TC", serif;
  --font-sans: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  --font-display: "Playfair Display", var(--font-serif);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 86px; }

body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }

/* ---------- Layout helpers ---------- */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 22px; }

.section { padding: 92px 0; position: relative; }
.section--tint { background: linear-gradient(180deg, var(--cream-2), var(--cream)); }
.section--blush { background: var(--blush); }

.section-head { text-align: center; max-width: 640px; margin: 0 auto 54px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .82rem; letter-spacing: .28em; font-weight: 700;
  color: var(--coral-deep); text-transform: uppercase; margin-bottom: 14px;
}
.eyebrow::before, .eyebrow::after { content: ""; width: 26px; height: 1px; background: var(--coral); opacity: .5; }
.section-title {
  font-family: var(--font-serif); font-weight: 700;
  font-size: clamp(1.9rem, 4vw, 2.7rem); line-height: 1.25; letter-spacing: .02em;
}
.section-title em { font-style: normal; color: var(--coral-deep); }
.section-sub { margin-top: 14px; color: var(--ink-soft); font-size: 1.02rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 14px 28px; border-radius: 999px; font-weight: 700; font-size: .98rem;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--grad-coral); color: #fff; box-shadow: 0 12px 26px rgba(236, 95, 80, .35); }
.btn--primary:hover { transform: translateY(-3px); box-shadow: 0 18px 34px rgba(236, 95, 80, .45); }
.btn--ghost { background: rgba(255,255,255,.7); color: var(--ink); border: 1.5px solid var(--line); }
.btn--ghost:hover { background: #fff; transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.btn--light { background: #fff; color: var(--coral-deep); box-shadow: var(--shadow-sm); }
.btn--light:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.btn--lg { padding: 17px 34px; font-size: 1.05rem; }

/* ---------- Announcement bar ---------- */
.topbar {
  background: linear-gradient(90deg, var(--coral-deep), var(--rose));
  color: #fff; font-size: .86rem; letter-spacing: .04em;
}
.topbar .container { display: flex; align-items: center; justify-content: center; gap: 10px; padding-block: 9px; text-align: center; }
.topbar .sparkle { animation: twinkle 2.4s ease-in-out infinite; }
@keyframes twinkle { 0%,100%{opacity:.5; transform: scale(.85);} 50%{opacity:1; transform: scale(1.1);} }

/* ---------- Navbar ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,252,248,.78); backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent; transition: box-shadow .3s, background .3s, border-color .3s;
}
.nav.scrolled { box-shadow: 0 6px 22px rgba(180,110,80,.10); border-color: var(--line); background: rgba(255,252,248,.92); }
.nav .container { display: flex; align-items: center; justify-content: space-between; padding-block: 14px; }

.brand { display: flex; align-items: center; gap: 11px; }
.brand__mark {
  width: 44px; height: 44px; border-radius: 13px; flex-shrink: 0; display: block;
  box-shadow: 0 8px 18px rgba(236,95,80,.32);
}
.brand__txt { line-height: 1.1; }
.brand__name { font-family: var(--font-serif); font-weight: 700; font-size: 1.1rem; letter-spacing: .02em; white-space: nowrap; }
.brand__tag { font-size: .68rem; letter-spacing: .34em; color: var(--muted); text-transform: uppercase; }

.nav__links { display: flex; align-items: center; gap: 3px; }
.nav__links a { padding: 8px 11px; border-radius: 999px; font-weight: 500; font-size: .93rem; white-space: nowrap; color: var(--ink-soft); transition: color .2s, background .2s; }
.nav__links a:hover { color: var(--coral-deep); background: var(--blush); }
.nav__cta { display: flex; align-items: center; gap: 12px; }

.nav__toggle { display: none; width: 44px; height: 44px; border-radius: 12px; flex-direction: column; gap: 5px; align-items: center; justify-content: center; }
.nav__toggle span { width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: .3s; }
.nav__toggle.open span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.nav__toggle.open span:nth-child(2){ opacity: 0; }
.nav__toggle.open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 70px 0 90px; background: var(--grad-dawn); overflow: hidden; }
.hero::before { content:""; position:absolute; inset:0; background: var(--grad-sun); pointer-events:none; }
.hero__blob { position: absolute; border-radius: 50%; filter: blur(8px); opacity: .5; pointer-events:none; }
.hero__blob.b1 { width: 280px; height: 280px; background: radial-gradient(circle, #fff3c4, transparent 70%); top: -60px; right: 8%; }
.hero__blob.b2 { width: 340px; height: 340px; background: radial-gradient(circle, #ffd2e0, transparent 70%); bottom: -120px; left: -60px; }

.hero .container { position: relative; z-index: 2; display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.hero__badge {
  display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,.7);
  border: 1px solid rgba(255,255,255,.9); padding: 7px 16px; border-radius: 999px;
  font-size: .85rem; font-weight: 600; color: var(--coral-deep); box-shadow: var(--shadow-sm); margin-bottom: 22px;
}
.hero h1 {
  font-family: var(--font-serif); font-weight: 700;
  font-size: clamp(2.3rem, 5.2vw, 3.8rem); line-height: 1.18; letter-spacing: .01em; color: var(--ink);
}
.hero h1 .hl { position: relative; color: var(--coral-deep); white-space: nowrap; }
.hero h1 .hl::after { content:""; position:absolute; left:-2%; right:-2%; bottom: 8%; height: .42em; background: var(--gold-soft); opacity:.55; z-index:-1; border-radius: 4px; }
.hero__lead { margin-top: 22px; font-size: 1.12rem; color: var(--ink-soft); max-width: 30em; }
.hero__actions { margin-top: 32px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero__stats { margin-top: 40px; display: flex; gap: 34px; flex-wrap: wrap; }
.hero__stat .num { font-family: var(--font-serif); font-weight: 700; font-size: 1.85rem; color: var(--coral-deep); }
.hero__stat .lab { font-size: .85rem; color: var(--ink-soft); }

/* hero collage */
.hero__art { position: relative; height: 480px; }
.hero__card {
  position: absolute; border-radius: var(--radius-lg); overflow: hidden; background: #fff;
  box-shadow: var(--shadow-lg); border: 5px solid #fff;
}
.hero__card img { width: 100%; height: 100%; object-fit: cover; }
.hero__card.c1 { width: 56%; height: 70%; top: 4%; left: 2%; z-index: 3; animation: floaty 6s ease-in-out infinite; }
.hero__card.c2 { width: 44%; height: 50%; top: 0; right: 0; z-index: 2; animation: floaty 7s ease-in-out infinite .8s; }
.hero__card.c3 { width: 50%; height: 42%; bottom: 0; right: 4%; z-index: 4; animation: floaty 6.5s ease-in-out infinite .4s; }
@keyframes floaty { 0%,100%{ transform: translateY(0); } 50%{ transform: translateY(-14px); } }

.hero__chip {
  position: absolute; z-index: 6; background: #fff; border-radius: 14px; padding: 11px 15px;
  box-shadow: var(--shadow); display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: .9rem;
}
.hero__chip .ico { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; font-size: 1.1rem; }
.hero__chip.chip1 { bottom: 14%; left: -4%; }
.hero__chip.chip1 .ico { background: var(--blush); }
.hero__chip.chip2 { top: 8%; right: -3%; }
.hero__chip.chip2 .ico { background: #e9f6ea; }

/* ---------- Trust strip ---------- */
.trust { background: var(--white); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.trust .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding-block: 30px; }
.trust__item { display: flex; align-items: center; gap: 14px; }
.trust__ico { width: 48px; height: 48px; border-radius: 14px; background: var(--blush); display: grid; place-items: center; font-size: 1.4rem; flex-shrink: 0; }
.trust__t { font-weight: 700; }
.trust__d { font-size: .85rem; color: var(--muted); }

/* ---------- Products ---------- */
.filters { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 42px; }
.filter {
  padding: 9px 20px; border-radius: 999px; font-weight: 600; font-size: .92rem; color: var(--ink-soft);
  background: #fff; border: 1.5px solid var(--line); transition: .22s;
}
.filter:hover { border-color: var(--coral); color: var(--coral-deep); }
.filter.active { background: var(--grad-coral); color: #fff; border-color: transparent; box-shadow: 0 10px 20px rgba(236,95,80,.3); }

.grid-products { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }

.card {
  background: #fff; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line);
  box-shadow: var(--shadow-sm); transition: transform .3s, box-shadow .3s; display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.card__media { position: relative; aspect-ratio: 1 / 1; overflow: hidden; background: var(--grad-dawn); }
.card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s ease; }
.card:hover .card__media img { transform: scale(1.07); }
.card__fallback { position:absolute; inset:0; display:none; place-items:center; font-size: 3.4rem; background: var(--grad-dawn); }
.card__media.is-fallback .card__fallback { display: grid; }
.card__flag {
  position: absolute; top: 12px; left: 12px; z-index: 2; background: rgba(255,255,255,.92);
  padding: 5px 12px; border-radius: 999px; font-size: .78rem; font-weight: 700; box-shadow: var(--shadow-sm);
  display: flex; align-items: center; gap: 5px;
}
.card__tag {
  position: absolute; top: 12px; right: 12px; z-index: 2; background: var(--grad-coral); color: #fff;
  padding: 5px 11px; border-radius: 999px; font-size: .74rem; font-weight: 700; letter-spacing: .04em;
}
.card__tag.gold { background: var(--grad-gold); color: #4a3410; }
.card__body { padding: 18px 18px 20px; display: flex; flex-direction: column; flex: 1; }
.card__route { align-self: flex-start; display: inline-flex; align-items: center; gap: 5px; font-size: .74rem; font-weight: 700; color: var(--coral-deep); background: var(--blush); padding: 3px 11px; border-radius: 999px; margin-bottom: 9px; }
.card__brand { font-size: .78rem; letter-spacing: .12em; color: var(--coral-deep); font-weight: 700; text-transform: uppercase; }
.card__name { font-family: var(--font-serif); font-weight: 700; font-size: 1.08rem; margin: 5px 0 4px; line-height: 1.4; }
.card__desc { font-size: .86rem; color: var(--muted); flex: 1; }
.card__foot { margin-top: 15px; display: flex; align-items: flex-end; justify-content: space-between; }
.card__price .now { font-family: var(--font-serif); font-weight: 700; font-size: 1.25rem; color: var(--ink); }
.card__price .cur { font-size: .8rem; color: var(--muted); }
.card__price .was { font-size: .82rem; color: var(--muted); text-decoration: line-through; margin-left: 6px; }
.card__ask {
  width: 40px; height: 40px; border-radius: 12px; background: var(--blush); color: var(--coral-deep);
  display: grid; place-items: center; font-size: 1.15rem; transition: .22s;
}
.card__ask:hover { background: var(--grad-coral); color: #fff; transform: rotate(8deg) scale(1.08); }
.products__more { text-align: center; margin-top: 46px; }
.empty { grid-column: 1/-1; text-align: center; color: var(--muted); padding: 40px 0; }

/* ---------- Categories ---------- */
.grid-cats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-platforms { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
@media (max-width: 980px) { .grid-platforms { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .grid-platforms { grid-template-columns: 1fr; } }
.cat {
  position: relative; padding: 30px 26px; border-radius: var(--radius-lg); background: #fff;
  border: 1px solid var(--line); box-shadow: var(--shadow-sm); transition: .3s; overflow: hidden;
}
.cat::before { content:""; position:absolute; right:-40px; top:-40px; width: 130px; height: 130px; border-radius: 50%; background: var(--grad-dawn); opacity: .55; transition: .4s; }
.cat:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.cat:hover::before { transform: scale(1.5); opacity: .8; }
.cat__ico { position: relative; width: 60px; height: 60px; border-radius: 16px; background: var(--grad-dawn); display: grid; place-items: center; font-size: 1.7rem; margin-bottom: 16px; }
.cat__ico--logo { background: #fff; border: 1px solid var(--line); padding: 7px; overflow: hidden; }
.cat__ico--logo img { width: 100%; height: 100%; object-fit: contain; }
.cat__t { position: relative; font-family: var(--font-serif); font-weight: 700; font-size: 1.2rem; }
.cat__d { position: relative; font-size: .9rem; color: var(--muted); margin-top: 6px; }
.cat__tags { position: relative; margin-top: 14px; display: flex; flex-wrap: wrap; gap: 7px; }
.cat__tags span { font-size: .76rem; background: var(--cream-2); border: 1px solid var(--line); color: var(--ink-soft); padding: 3px 10px; border-radius: 999px; }

/* ---------- Regions ---------- */
.grid-regions { display: grid; grid-template-columns: 2fr 1fr 1fr; grid-auto-rows: 200px; gap: 18px; }
.region { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); transition: .35s; }
.region:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.region img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.region:hover img { transform: scale(1.08); }
.region::after { content:""; position:absolute; inset:0; background: linear-gradient(180deg, rgba(40,20,25,0) 30%, rgba(40,20,25,.78)); }
.region__info { position: absolute; left: 20px; bottom: 18px; z-index: 2; color: #fff; }
.region__flag { font-size: 1.5rem; }
.region__name { font-family: var(--font-serif); font-weight: 700; font-size: 1.3rem; }
.region__name .en { font-size: .8rem; opacity: .8; font-weight: 400; letter-spacing: .1em; display: block; }
.region__d { font-size: .82rem; opacity: .9; }
.region.feature { grid-row: span 2; }
.region.feature .region__name { font-size: 1.9rem; }
.region__star { position: absolute; top: 16px; right: 16px; z-index: 2; background: var(--grad-gold); color: #4a3410; font-size: .76rem; font-weight: 700; padding: 5px 12px; border-radius: 999px; }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.step { position: relative; text-align: center; padding: 0 8px; }
.step__num {
  width: 70px; height: 70px; margin: 0 auto 18px; border-radius: 50%; background: #fff; border: 2px dashed var(--coral);
  display: grid; place-items: center; font-family: var(--font-serif); font-weight: 700; font-size: 1.7rem; color: var(--coral-deep);
  position: relative; z-index: 2;
}
.step:not(:last-child)::after { content:""; position:absolute; top: 35px; left: 60%; width: 80%; border-top: 2px dotted var(--peach); z-index: 1; }
.step__t { font-family: var(--font-serif); font-weight: 700; font-size: 1.15rem; }
.step__d { font-size: .9rem; color: var(--muted); margin-top: 8px; }

/* ---------- Why / features ---------- */
.why { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.why__art { position: relative; }
.why__art img { width: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.why__badge { position: absolute; bottom: -22px; right: -10px; background: #fff; padding: 16px 20px; border-radius: var(--radius); box-shadow: var(--shadow); display: flex; gap: 12px; align-items: center; }
.why__badge .big { font-family: var(--font-serif); font-weight: 700; font-size: 2rem; color: var(--coral-deep); line-height: 1; }
.why__badge .sm { font-size: .82rem; color: var(--ink-soft); }
.feature { display: flex; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.feature:last-child { border-bottom: none; }
.feature__ico { width: 50px; height: 50px; border-radius: 14px; background: var(--grad-dawn); display: grid; place-items: center; font-size: 1.4rem; flex-shrink: 0; }
.feature__t { font-family: var(--font-serif); font-weight: 700; font-size: 1.12rem; }
.feature__d { font-size: .92rem; color: var(--ink-soft); }

/* ---------- Testimonials ---------- */
.grid-reviews { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.review { background: #fff; border-radius: var(--radius-lg); padding: 28px; border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.review__stars { color: var(--gold); letter-spacing: 2px; margin-bottom: 12px; }
.review__txt { font-size: .98rem; color: var(--ink-soft); }
.review__who { margin-top: 18px; display: flex; align-items: center; gap: 12px; }
.review__av { width: 46px; height: 46px; border-radius: 50%; background: var(--grad-coral); color: #fff; display: grid; place-items: center; font-family: var(--font-serif); font-weight: 700; font-size: 1.15rem; }
.review__name { font-weight: 700; }
.review__meta { font-size: .8rem; color: var(--muted); }

/* ---------- FAQ ---------- */
.faq { max-width: 760px; margin: 0 auto; }
.faq__item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 14px; overflow: hidden; transition: box-shadow .25s; }
.faq__item.open { box-shadow: var(--shadow-sm); }
.faq__q { width: 100%; text-align: left; padding: 20px 22px; display: flex; justify-content: space-between; align-items: center; gap: 16px; font-weight: 700; font-size: 1.02rem; color: var(--ink); }
.faq__q .pm { width: 28px; height: 28px; border-radius: 50%; background: var(--blush); color: var(--coral-deep); display: grid; place-items: center; font-size: 1.2rem; flex-shrink: 0; transition: transform .3s, background .3s; }
.faq__item.open .pm { transform: rotate(45deg); background: var(--grad-coral); color: #fff; }
.faq__a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq__a p { padding: 0 22px 20px; color: var(--ink-soft); font-size: .95rem; }

/* ---------- CTA / Contact ---------- */
.cta { background: var(--grad-coral); color: #fff; position: relative; overflow: hidden; }
.cta::before { content:""; position:absolute; inset:0; background: var(--grad-sun); opacity:.6; }
.cta .container { position: relative; z-index: 2; text-align: center; }
.cta h2 { font-family: var(--font-serif); font-weight: 700; font-size: clamp(1.9rem, 4vw, 2.8rem); }
.cta p { margin-top: 14px; font-size: 1.08rem; opacity: .95; max-width: 34em; margin-inline: auto; }
.cta__channels { margin-top: 36px; display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.channel {
  background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.4); color: #fff;
  padding: 16px 26px; border-radius: var(--radius); display: flex; align-items: center; gap: 13px;
  font-weight: 600; transition: .25s; backdrop-filter: blur(6px);
}
.channel:hover { background: #fff; color: var(--coral-deep); transform: translateY(-4px); box-shadow: var(--shadow); }
.channel .ico { font-size: 1.5rem; }
.channel small { display: block; font-weight: 400; font-size: .75rem; opacity: .8; }
.cta__note { margin-top: 26px; font-size: .9rem; opacity: .85; }

/* ---------- Footer ---------- */
.footer { background: var(--ink); color: #d9cdc9; padding: 64px 0 28px; }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 36px; }
.footer .brand__name { color: #fff; }
.footer__about { margin-top: 16px; font-size: .92rem; color: #b6a8a4; max-width: 30em; }
.footer__social { margin-top: 20px; display: flex; gap: 12px; }
.footer__social a { width: 42px; height: 42px; border-radius: 12px; background: rgba(255,255,255,.08); display: grid; place-items: center; font-size: 1.15rem; transition: .25s; }
.footer__social a:hover { background: var(--grad-coral); transform: translateY(-3px); }
.footer h4 { color: #fff; font-family: var(--font-serif); font-size: 1.05rem; margin-bottom: 16px; }
.footer li { margin-bottom: 10px; }
.footer li a { font-size: .92rem; color: #b6a8a4; transition: color .2s; }
.footer li a:hover { color: #fff; }
.footer__bottom { margin-top: 48px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.1); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: .85rem; color: #9c8d89; }

/* ---------- Back to top ---------- */
.totop {
  position: fixed; right: 24px; bottom: 24px; z-index: 90; width: 50px; height: 50px; border-radius: 50%;
  background: var(--grad-coral); color: #fff; font-size: 1.3rem; box-shadow: var(--shadow);
  display: grid; place-items: center; opacity: 0; transform: translateY(20px) scale(.8); pointer-events: none; transition: .3s;
}
.totop.show { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }
.totop:hover { transform: translateY(-4px) scale(1.05); }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }
.reveal.d4 { transition-delay: .32s; }

/* ---------- 港台雙向主力 (duplex) ---------- */
.duplex { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.dcard {
  position: relative; min-height: 360px; border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow); color: #fff; display: flex; flex-direction: column; justify-content: flex-end;
  padding: 32px; transition: transform .35s, box-shadow .35s;
}
.dcard:hover { transform: translateY(-7px); box-shadow: var(--shadow-lg); }
.dcard__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; transition: transform .6s; }
.dcard:hover .dcard__bg { transform: scale(1.07); }
.dcard::after { content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, rgba(45,22,28,.12) 0%, rgba(45,22,28,.55) 52%, rgba(45,22,28,.88) 100%); }
.dcard > *:not(.dcard__bg) { position: relative; z-index: 2; }
.dcard__route {
  align-self: flex-start; display: inline-flex; align-items: center; gap: 9px; margin-bottom: 16px;
  font-family: var(--font-serif); font-weight: 700; font-size: 1.05rem;
  background: rgba(255,255,255,.18); border: 1px solid rgba(255,255,255,.45); padding: 8px 17px; border-radius: 999px; backdrop-filter: blur(6px);
}
.dcard__route .arrow { color: var(--gold-soft); font-size: 1.25rem; line-height: 1; }
.dcard h3 { font-family: var(--font-serif); font-weight: 700; font-size: 1.75rem; line-height: 1.25; }
.dcard p { margin-top: 9px; font-size: .96rem; opacity: .92; max-width: 26em; }
.dcard__tags { margin-top: 17px; display: flex; flex-wrap: wrap; gap: 8px; }
.dcard__tags span { font-size: .8rem; background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.38); padding: 5px 13px; border-radius: 999px; backdrop-filter: blur(4px); }
.dcard__star { position: absolute; top: 18px; right: 18px; z-index: 3; background: var(--grad-gold); color: #4a3410; font-size: .78rem; font-weight: 700; padding: 5px 14px; border-radius: 999px; }

.others {
  margin-top: 24px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 22px 28px; display: flex; align-items: center; gap: 22px; flex-wrap: wrap; box-shadow: var(--shadow-sm);
}
.others__lead { font-family: var(--font-serif); font-weight: 700; font-size: 1.1rem; display: flex; align-items: center; gap: 10px; }
.others__lead .globe { font-size: 1.5rem; }
.others__list { display: flex; gap: 10px; flex-wrap: wrap; }
.others__list span { font-size: .9rem; font-weight: 600; color: var(--ink-soft); background: var(--cream-2); border: 1px solid var(--line); padding: 7px 16px; border-radius: 999px; }
.others__note { margin-left: auto; font-size: .86rem; color: var(--muted); }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  /* 連結較多,提早收成漢堡選單,避免擠壓換行 */
  .nav__links, .nav__cta .btn { display: none; }
  .nav__toggle { display: flex; }
  .nav.open .nav__links {
    display: flex; flex-direction: column; align-items: stretch; gap: 4px;
    position: absolute; top: 100%; left: 0; right: 0; background: #fff; padding: 14px 18px 20px;
    box-shadow: var(--shadow); border-top: 1px solid var(--line);
  }
  .nav.open .nav__links a { padding: 12px 14px; }
}

@media (max-width: 980px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero__art { height: 360px; margin-top: 10px; }
  .why { grid-template-columns: 1fr; }
  .grid-products { grid-template-columns: repeat(3, 1fr); }
  .grid-cats { grid-template-columns: repeat(2, 1fr); }
  .grid-reviews { grid-template-columns: 1fr 1fr; }
  .trust .container { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; gap: 36px 18px; }
  .step:not(:last-child)::after { display: none; }
  .grid-regions { grid-template-columns: 1fr 1fr; }
  .region.feature { grid-column: span 2; grid-row: auto; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .section { padding: 64px 0; }
  .grid-products { grid-template-columns: 1fr 1fr; gap: 16px; }
  .grid-cats { grid-template-columns: 1fr; }
  .grid-reviews { grid-template-columns: 1fr; }
  .hero__stats { gap: 22px; }
  .hero__chip { display: none; }
  .duplex { grid-template-columns: 1fr; }
  .others { flex-direction: column; align-items: flex-start; gap: 14px; }
  .others__note { margin-left: 0; }
  .footer__grid { grid-template-columns: 1fr; gap: 28px; }
  .footer__bottom { justify-content: center; text-align: center; }
}

@media (max-width: 420px) {
  .grid-products { grid-template-columns: 1fr; }
  .trust .container { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}