:root {
  --ink: #1f1515;
  --ink-2: #463634;
  --muted: #76615e;
  --line: #ecdfdb;
  --paper: #fbf8f6;
  --paper-2: #f6eeea;
  --white: #ffffff;
  --red: #c8161d;
  --red-2: #e3282f;
  --red-deep: #7d0d12;
  --red-soft: #fcecea;
  --gold: #b98a2e;
  --gold-soft: #f7ecd4;
  --line-green: #06c755;
  --radius: 14px;
  --shadow: 0 14px 36px rgba(70, 20, 20, .10);
  --wrap: 1180px;
  --serif: "Noto Serif TC", "Songti TC", "PMingLiU", serif;
  --sans: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; }
h1, h2, h3 { margin: 0; line-height: 1.3; text-wrap: balance; }
p { margin: 0; }
.wrap { width: min(var(--wrap), 100% - 32px); margin-inline: auto; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; border-radius: 6px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* ---------- top bar ---------- */
.topbar { background: var(--red-deep); color: #f6d9d7; font-size: 13.5px; }
.topbar .wrap { display: flex; gap: 18px; align-items: center; justify-content: space-between; min-height: 38px; flex-wrap: wrap; }
.topbar .info { display: flex; gap: 22px; flex-wrap: wrap; }
.topbar a { color: #fff; text-decoration: none; }
.topbar b { color: #fff; font-weight: 700; }
@media (max-width: 760px) { .topbar .hide-sm { display: none; } }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .95);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 82px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; min-width: 0; }
.brand-logo { height: 58px; width: auto; flex: none; }
.brand-tag { font-size: 13px; font-weight: 700; letter-spacing: .14em; color: var(--red); padding-left: 14px; border-left: 1px solid var(--line); white-space: nowrap; }
@media (max-width: 1180px) { .brand-tag { display: none; } }
.footer-logo { display: inline-block; background: #fff; border-radius: 12px; padding: 10px 16px; }
.footer-logo img { height: 46px; width: auto; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a { text-decoration: none; font-size: 15px; font-weight: 500; color: var(--ink-2); padding: 8px 12px; border-radius: 8px; }
.nav a:hover { color: var(--red); background: var(--red-soft); }
.nav .nav-cta { background: var(--red); color: #fff; font-weight: 700; margin-left: 8px; padding: 9px 18px; border-radius: 999px; }
.nav .nav-cta:hover { background: var(--red-deep); color: #fff; }
.menu-btn { display: none; background: none; border: 1px solid var(--line); border-radius: 10px; width: 44px; height: 44px; cursor: pointer; font-size: 20px; color: var(--ink); }
@media (max-width: 980px) {
  .menu-btn { display: grid; place-items: center; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--white); flex-direction: column; align-items: stretch; padding: 10px 16px 16px; border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  .nav.open { display: flex; }
  .nav a { padding: 12px; font-size: 16px; }
  .nav .nav-cta { margin: 8px 0 0; text-align: center; }
}
@media (max-width: 420px) { .brand-logo { height: 46px; } }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 50px; padding: 0 24px; border-radius: 10px; font-weight: 700; font-size: 16px; text-decoration: none; border: 2px solid transparent; cursor: pointer; font-family: var(--sans); transition: background .2s, transform .2s; }
.btn:hover { transform: translateY(-1px); }
.btn svg { width: 20px; height: 20px; flex: none; }
.btn-red { background: var(--red); color: #fff; }
.btn-red:hover { background: var(--red-deep); }
.btn-line { background: var(--line-green); color: #fff; }
.btn-line:hover { background: #05a948; }
.btn-ghost { border-color: rgba(255,255,255,.65); color: #fff; background: rgba(0,0,0,.15); }
.btn-ghost:hover { background: rgba(255,255,255,.14); }
.btn-outline { border-color: var(--line); color: var(--ink); background: var(--white); }
.btn-outline:hover { border-color: var(--red); color: var(--red); }
.btns { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- hero ---------- */
.hero { position: relative; min-height: 600px; display: flex; align-items: center; color: #fff; overflow: hidden; background: #2a1414; }
.slide { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0; transition: opacity 1.2s ease; }
.slide.active { opacity: 1; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(40,8,10,.88) 0%, rgba(40,8,10,.66) 42%, rgba(40,8,10,.10) 78%); }
.hero .wrap { position: relative; z-index: 2; padding-block: 90px 130px; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 10px; font-size: 14px; letter-spacing: .2em; font-weight: 700; color: #ffd9a0; margin-bottom: 18px; }
.hero-eyebrow::before { content: ""; width: 34px; height: 2px; background: #ffd9a0; }
.hero h1 { font-family: var(--serif); font-weight: 900; font-size: clamp(42px, 7vw, 78px); letter-spacing: .04em; line-height: 1.18; }
.hero h1 .hl { color: #ff6a6f; }
.hero h1 .h1-sub { display: inline-block; font-size: .5em; letter-spacing: .08em; margin-top: 8px; color: #fff; }
.hero .slogan { font-family: var(--serif); font-weight: 700; font-size: clamp(20px, 2.6vw, 28px); letter-spacing: .14em; margin-top: 14px; color: #fff3e0; }
.hero .lead { margin-top: 18px; max-width: 34em; color: #f3dedd; font-size: 17px; }
.hero .btns { margin-top: 30px; }
.dots { position: absolute; left: 50%; bottom: 96px; transform: translateX(-50%); z-index: 3; display: flex; gap: 8px; }
.dots button { width: 34px; height: 4px; border: 0; border-radius: 2px; background: rgba(255,255,255,.4); cursor: pointer; padding: 0; }
.dots button.active { background: #fff; }
@media (max-width: 760px) {
  .hero { min-height: 560px; }
  .hero::after { background: linear-gradient(180deg, rgba(40,8,10,.55) 0%, rgba(40,8,10,.82) 60%, rgba(40,8,10,.9) 100%); }
  .hero .wrap { padding-block: 70px 120px; }
  .hero .btns .btn { flex: 1 1 100%; }
}

/* ---------- facts strip ---------- */
.facts { position: relative; z-index: 5; margin-top: -64px; }
.facts .grid { display: grid; grid-template-columns: repeat(4, 1fr); background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.fact { padding: 22px 24px; border-left: 1px solid var(--line); }
.fact:first-child { border-left: 0; }
.fact .k { font-size: 13px; color: var(--muted); letter-spacing: .08em; }
.fact .v { font-weight: 700; font-size: 17px; color: var(--ink); margin-top: 2px; }
.fact .v.red { color: var(--red); }
@media (max-width: 860px) { .facts .grid { grid-template-columns: repeat(2, 1fr); } .fact:nth-child(3) { border-left: 0; } .fact:nth-child(n+3) { border-top: 1px solid var(--line); } }
@media (max-width: 420px) { .fact { padding: 16px; } .fact .v { font-size: 15px; } }

/* ---------- sections ---------- */
section { padding-block: 96px; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.eyebrow { display: block; font-size: 12.5px; letter-spacing: .3em; color: var(--red); font-weight: 700; margin-bottom: 10px; }
.section-head h2, .h2 { font-family: var(--serif); font-weight: 900; font-size: clamp(30px, 4.2vw, 42px); letter-spacing: .04em; }
.section-head p { margin-top: 12px; color: var(--muted); }
.h2 .hl, .section-head h2 .hl { color: var(--red); }
@media (max-width: 760px) { section { padding-block: 72px; } }

/* ---------- main product ---------- */
.main-product .wrap { display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: center; }
.main-product .text p { color: var(--ink-2); margin-top: 16px; }
.main-product .h2 { margin-top: 4px; }
.spec { margin-top: 28px; border-top: 1px solid var(--line); }
.spec div { display: grid; grid-template-columns: 110px 1fr; gap: 16px; padding: 12px 4px; border-bottom: 1px solid var(--line); font-size: 15px; }
.spec dt { color: var(--muted); }
.spec dd { margin: 0; font-weight: 500; }
.spec dd.red { color: var(--red); font-weight: 700; }
.main-product .btns { margin-top: 28px; }
.showcase { position: relative; aspect-ratio: 4 / 5; max-width: 100%; border-radius: 24px; background: radial-gradient(circle at 50% 42%, #fff 0%, var(--red-soft) 58%, #f6d7d4 100%); display: grid; place-items: center; overflow: hidden; }
.showcase img { width: 74%; filter: drop-shadow(0 28px 30px rgba(120, 10, 15, .28)); }
.showcase .stamp { position: absolute; top: 22px; right: 22px; writing-mode: vertical-rl; background: var(--gold-soft); color: #5a3f0b; border: 1px solid var(--gold); font-family: var(--serif); font-weight: 700; letter-spacing: .3em; padding: 14px 7px; border-radius: 4px 4px 12px 12px; font-size: 15px; }
@media (max-width: 900px) { .main-product .wrap { grid-template-columns: 1fr; gap: 40px; } .showcase { order: -1; max-width: 520px; width: 100%; margin-inline: auto; } }

/* ---------- product series ---------- */
.series { background: var(--white); border-block: 1px solid var(--line); }
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: transform .25s, box-shadow .25s; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card .pic { position: relative; aspect-ratio: 1 / 1; background: radial-gradient(circle at 50% 45%, #fff 0%, var(--paper-2) 75%); overflow: hidden; }
.card .pic img { position: absolute; inset: 28px; width: calc(100% - 56px); height: calc(100% - 56px); object-fit: contain; filter: drop-shadow(0 16px 18px rgba(120, 10, 15, .22)); }
.card .body { padding: 22px 24px 26px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card .label { font-size: 12.5px; font-weight: 700; letter-spacing: .14em; color: var(--red); }
.card h3 { font-family: var(--serif); font-size: 22px; font-weight: 900; }
.card p { color: var(--muted); font-size: 15px; }
.card .more { margin-top: auto; padding-top: 10px; font-weight: 700; color: var(--red); text-decoration: none; font-size: 15px; }
@media (max-width: 1100px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .cards { grid-template-columns: 1fr; } }

.spotlight { display: grid; grid-template-columns: 1.2fr 1fr; margin-top: 32px; background: var(--ink); color: #fff; border-radius: var(--radius); overflow: hidden; }
.spotlight img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
.spotlight .body { padding: 44px; display: flex; flex-direction: column; justify-content: center; gap: 12px; }
.spotlight .label { color: #ffb4b6; font-size: 13px; font-weight: 700; letter-spacing: .16em; }
.spotlight h3 { font-family: var(--serif); font-size: clamp(26px, 3vw, 34px); font-weight: 900; }
.spotlight p { color: #e6d6d4; }
.spotlight .btns { margin-top: 12px; }
@media (max-width: 860px) { .spotlight { grid-template-columns: 1fr; } .spotlight .body { padding: 28px 24px 32px; } .spotlight img { min-height: 0; aspect-ratio: 4 / 3; } }

/* ---------- values ---------- */
.values { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.value { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 24px; text-align: center; }
.v-icon { width: 64px; height: 64px; margin: 0 auto 16px; border-radius: 50%; background: var(--red-soft); display: grid; place-items: center; color: var(--red); }
.v-icon svg { width: 30px; height: 30px; }
.value h3 { font-family: var(--serif); font-size: 20px; font-weight: 900; margin-bottom: 8px; }
.value p { color: var(--muted); font-size: 15px; }
@media (max-width: 900px) { .values { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .values { grid-template-columns: 1fr; } }

/* ---------- occasions ---------- */
.occasions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 40px; }
.occasions span { background: var(--white); border: 1px solid var(--line); border-radius: 999px; padding: 8px 20px; font-weight: 500; font-size: 15px; }
.occasions span::before { content: "●"; color: var(--red); margin-right: 8px; font-size: 10px; vertical-align: 2px; }

/* ---------- gallery ---------- */
.gallery-sec { background: var(--paper-2); }
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.gallery button { padding: 0; border: 0; background: none; cursor: zoom-in; border-radius: 12px; overflow: hidden; position: relative; aspect-ratio: 4 / 3; }
.gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.gallery button:hover img { transform: scale(1.05); }
.gallery .contain { background: #fff; }
.gallery .contain img { object-fit: contain; padding: 8px 8px 36px; }
.gallery figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 28px 14px 10px; background: linear-gradient(transparent, rgba(30,8,8,.75)); color: #fff; font-size: 14px; font-weight: 500; text-align: left; }
@media (max-width: 760px) { .gallery { grid-template-columns: repeat(2, 1fr); gap: 10px; } .gallery figcaption { font-size: 13px; padding: 20px 10px 8px; } }

.lightbox { position: fixed; inset: 0; z-index: 100; background: rgba(15, 5, 5, .92); display: grid; place-items: center; padding: 24px; }
.lightbox[hidden] { display: none; }
.lightbox img { max-height: 82vh; max-width: min(1100px, 100%); width: auto; border-radius: 10px; }
.lightbox p { color: #fff; text-align: center; margin-top: 12px; }
.lightbox .close { position: absolute; top: 16px; right: 16px; width: 48px; height: 48px; border-radius: 50%; border: 0; background: rgba(255,255,255,.15); color: #fff; font-size: 26px; cursor: pointer; }

/* ---------- steps ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; padding: 0; margin: 0; list-style: none; position: relative; }
.step { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px 26px; position: relative; }
.step .num { font-family: var(--serif); font-weight: 900; font-size: 44px; color: var(--red); line-height: 1; opacity: .9; }
.step h3 { font-family: var(--serif); font-size: 20px; font-weight: 900; margin: 14px 0 6px; }
.step p { color: var(--muted); font-size: 15px; }
@media (max-width: 760px) { .steps { grid-template-columns: 1fr; } }

/* ---------- dealer band ---------- */
.dealer { background: linear-gradient(120deg, var(--red-deep), var(--red) 70%); color: #fff; padding-block: 0; overflow: hidden; }
.dealer .wrap { display: grid; grid-template-columns: 1.4fr .6fr; align-items: center; gap: 32px; }
.dealer .text { padding-block: 72px; }
.dealer h2 { font-family: var(--serif); font-weight: 900; font-size: clamp(28px, 4vw, 40px); letter-spacing: .04em; }
.dealer p { margin-top: 14px; color: #ffe2e1; max-width: 36em; }
.dealer .btns { margin-top: 28px; }
.dealer .btn-white { background: #fff; color: var(--red-deep); }
.dealer .btn-white:hover { background: #ffecec; }
.dealer .deco { align-self: end; }
.dealer .deco img { width: 100%; max-width: 300px; margin-left: auto; transform: translateY(12%); filter: drop-shadow(0 20px 30px rgba(0,0,0,.35)); }
@media (max-width: 760px) { .dealer .wrap { grid-template-columns: 1fr; } .dealer .deco { display: none; } }

/* ---------- faq ---------- */
.faq { background: var(--white); border-block: 1px solid var(--line); }
.faq-list { max-width: 820px; margin: 0 auto; display: grid; gap: 12px; }
.faq-item { border: 1px solid var(--line); border-radius: 12px; background: var(--paper); padding: 0 22px; }
.faq-item summary { cursor: pointer; list-style: none; font-family: var(--serif); font-weight: 900; font-size: 18px; padding: 18px 28px 18px 0; position: relative; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%); color: var(--red); font-size: 24px; font-family: var(--sans); }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { color: var(--ink-2); padding-bottom: 18px; margin: 0; }

/* ---------- contact ---------- */
.contact .wrap { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: start; }
.contact-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow); }
.contact-card .who { color: var(--muted); font-size: 15px; }
.contact-card .big { display: block; font-family: var(--serif); font-weight: 900; font-size: clamp(34px, 5vw, 46px); color: var(--red); text-decoration: none; letter-spacing: .03em; line-height: 1.25; font-variant-numeric: tabular-nums; }
.contact-card .btns { margin-top: 18px; }
.contact-list { margin: 24px 0 0; border-top: 1px solid var(--line); }
.contact-list div { display: grid; grid-template-columns: 76px 1fr; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.contact-list dt { color: var(--muted); }
.contact-list dd { margin: 0; font-weight: 500; overflow-wrap: anywhere; }
.contact-list a { text-decoration: none; }
.contact-list a:hover { color: var(--red); }
.line-qr { display: flex; align-items: center; gap: 16px; margin-top: 20px; padding: 14px; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); }
.line-qr img { width: 112px; height: 112px; flex: none; image-rendering: pixelated; border-radius: 6px; background: #fff; }
.line-qr div { display: flex; flex-direction: column; gap: 2px; font-size: 14px; color: var(--muted); min-width: 0; }
.line-qr b { color: var(--ink); font-size: 16px; }
.line-qr a { color: var(--line-green); font-weight: 700; text-decoration: none; }
.map { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: var(--paper-2); min-height: 440px; height: 100%; }
.map iframe { width: 100%; height: 100%; min-height: 440px; border: 0; display: block; }
@media (max-width: 900px) { .contact .wrap { grid-template-columns: 1fr; } .map, .map iframe { min-height: 320px; } .contact-card { padding: 24px 20px; } }

/* ---------- footer ---------- */
.site-footer { background: #1d1111; color: #cdb9b6; font-size: 14.5px; padding-block: 56px 28px; }
.site-footer .grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.site-footer h4 { color: #fff; font-size: 15px; margin: 0 0 12px; letter-spacing: .1em; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: #fff; }
.site-footer .about { margin-top: 14px; max-width: 30em; }
.site-footer .copy { border-top: 1px solid rgba(255,255,255,.12); margin-top: 40px; padding-top: 20px; font-size: 13px; color: #9a8582; }
@media (max-width: 760px) { .site-footer .grid { grid-template-columns: 1fr; gap: 28px; } }

/* ---------- mobile bar ---------- */
.mbar { display: none; }
@media (max-width: 760px) {
  body { padding-bottom: calc(74px + env(safe-area-inset-bottom, 0px)); }
  .mbar { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; background: var(--white); border-top: 1px solid var(--line); padding: 10px 16px calc(10px + env(safe-area-inset-bottom, 0px)); box-shadow: 0 -6px 20px rgba(0,0,0,.06); }
  .mbar .btn { min-height: 50px; }
}