/*
  index.css — 首頁
  建立：2026-11-03 15:59（Claude（AI 編程員）｜依指揮官指示）
  最後更新：2026-11-03 16:50（Claude（AI 編程員）｜牆面調淡、移除頁首電話、新頁尾、日夜與語言切換）
  用途：首頁展示牆版型，參照 temp2/01.gif（左側分類條、中央主面板、右側物件卡、地板倒影、選單變形）
  斷點：手機 ≤767｜平板 768–1199｜桌機 1200–2559（設計基準 1440）｜4K ≥2560
*/

/* 桌機與 4K 以視窗寬度等比放大字級；1440 時為 16px */
html { scrollbar-gutter: stable; --header-h: 5.75rem; font-size: clamp(14px, calc(.42vw + 10px), 26px); }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-ink);
  background: var(--color-wall-2);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.nowrap { white-space: nowrap; }
:root[lang="en"] .nowrap { white-space: normal; }

/* ── 無障礙 ── */
.skip-link {
  position: absolute; left: var(--space-4); top: -4rem; z-index: 100;
  padding: var(--space-2) var(--space-4); border-radius: var(--radius-s);
  background: var(--color-ink); color: var(--color-ink-inverse); text-decoration: none; font-weight: 600;
}
.skip-link:focus { top: var(--space-4); }
:focus-visible { outline: 3px solid var(--color-ink); outline-offset: 3px; border-radius: var(--radius-s); }
.on-dark :focus-visible, .site-footer :focus-visible { outline-color: var(--color-on-dark); }

.tag-planned {
  display: inline-block; margin-left: var(--space-2); padding: 0 .375rem;
  border: 1px solid currentColor; border-radius: var(--radius-s);
  font-size: .625rem; font-weight: 600; line-height: 1.6; letter-spacing: .04em; vertical-align: .15em; white-space: nowrap;
}

/* ── 頁首 ── */
/* 頁首固定於視窗上緣；捲動後 80% 不透明底（20% 透明）＋背景模糊 8px */
.topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 30; height: var(--header-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 4vw;
  transition: background-color .3s var(--ease), box-shadow .3s var(--ease), -webkit-backdrop-filter .3s var(--ease), backdrop-filter .3s var(--ease);
}
.topbar.is-scrolled {
  background: color-mix(in srgb, var(--color-wall-1) 80%, transparent);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  box-shadow: 0 1px 0 var(--chip-border);
}
.menu-scrim { display: none; }
.brand { display: inline-flex; align-items: center; }
/* Logo 原檔 viewBox 283×85，含底部投影；以高度控制尺寸 */
.brand-logo { height: 4.25rem; width: auto; margin: -.5rem 0; }
.topbar-actions { display: flex; align-items: center; gap: var(--space-3); }

/* 偏好切換：日夜、語言（分段按鈕） */
.prefs { display: flex; align-items: center; gap: var(--space-2); }
.seg {
  display: inline-flex; padding: 3px; border-radius: var(--radius-pill);
  background: var(--chip-bg); border: 1px solid var(--chip-border);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}
.seg button {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-1);
  width: 2.375rem; height: 2.375rem; padding: 0; border: 0; border-radius: var(--radius-pill);
  background: transparent; color: var(--color-ink-2); font: inherit; font-size: .8125rem; font-weight: 600; cursor: pointer;
  transition: background-color .25s var(--ease), color .25s var(--ease);
}
/* 語言鈕固定寬度，切換中英文時不跳動 */
.seg button[data-lang] { width: 3.25rem; }
.seg button svg { width: 1.125rem; height: 1.125rem; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.seg button[aria-pressed="true"] { background: var(--color-pill); color: var(--color-on-pill); }
.seg button[aria-pressed="false"]:hover { color: var(--color-ink); }

.menu-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-3); width: 7.25rem; height: 2.75rem; padding: 0;
  border: 0; border-radius: var(--radius-pill); background: var(--color-pill); color: var(--color-on-pill);
  font: inherit; font-size: .875rem; font-weight: 600; cursor: pointer;
}
.menu-btn .bars { position: relative; width: 1.125rem; height: .75rem; }
.menu-btn .bars::before, .menu-btn .bars::after {
  content: ""; position: absolute; left: 0; right: 0; height: 2px; border-radius: 2px; background: currentColor;
  transition: transform .4s var(--ease), top .4s var(--ease);
}
.menu-btn .bars::before { top: 0; }
.menu-btn .bars::after { top: calc(100% - 2px); }
.menu-open .menu-btn .bars::before { top: calc(50% - 1px); transform: rotate(45deg); }
.menu-open .menu-btn .bars::after { top: calc(50% - 1px); transform: rotate(-45deg); }

/* ── 展示牆：水泥牆面＋地板 ── */
.wall {
  position: relative; overflow: hidden;
  display: flex; flex-direction: column; justify-content: flex-end;
  min-height: 100vh; min-height: 100svh;
  padding: 7rem 0 8rem;
  background-color: var(--color-wall-1);
  background-image:
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 .1 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>"),
    linear-gradient(90deg, transparent 36%, var(--wall-shade) 38%, var(--wall-glow) 43%, var(--wall-shade) 47%, transparent 49%),
    radial-gradient(ellipse 60% 45% at 18% 28%, var(--wall-glow), transparent 70%),
    radial-gradient(ellipse 45% 40% at 80% 18%, var(--wall-glow), transparent 70%),
    radial-gradient(ellipse 55% 50% at 62% 66%, var(--wall-shade), transparent 70%),
    linear-gradient(var(--color-wall-1), var(--color-wall-2));
}
.wall::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 8rem; z-index: 0;
  background: linear-gradient(var(--color-floor-1), var(--color-floor-2) 45%, var(--color-floor-2));
  box-shadow: 0 -1px 0 var(--wall-glow);
}

/* ── 舞台：三欄 ── */
.stage {
  --item-h: 3rem;
  --step: 3.5rem;
  --cur: -3;          /* 目前頁（首頁）在選單中的位置：第一項 */
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 41fr 25.5fr 17fr; gap: var(--space-1);
  width: 94vw; margin-left: 8vw;
  height: clamp(32rem, calc(100svh - 15rem), 72rem);
  transition: grid-template-columns var(--dur) var(--ease);
  -webkit-box-reflect: below .25rem linear-gradient(transparent 80%, rgba(255, 255, 255, .3));
}
.col { position: relative; min-width: 0; }
.col-left { display: grid; grid-template-rows: 1.4fr 1fr 1fr 1fr; gap: var(--space-1); }
.col-right { display: grid; grid-template-rows: 1fr 1fr 1fr; gap: var(--space-1); }

/* 圖示方塊 */
.icon-tile {
  flex: none; display: grid; place-items: center; width: 2.75rem; height: 2.75rem; border-radius: .75rem;
  background: linear-gradient(150deg, var(--color-surface), var(--color-light-2));
  border: 1px solid rgba(0, 0, 0, .06); color: var(--color-ink);
  box-shadow: inset 0 1px 0 var(--tile-highlight), 0 .125rem .25rem rgba(0, 0, 0, .06), 0 .625rem 1.25rem -.5rem rgba(0, 0, 0, .35);
}
.icon-tile svg { width: 1.375rem; height: 1.375rem; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
/* 圖示點綴：品牌橘實心，呼應 Logo 的點陣 */
.acc { fill: var(--color-primary); stroke: none; }
/* 橘色與深色分類條上的圖示方塊固定用白底，日夜一致 */
.strip--orange .icon-tile, .strip--dark .icon-tile { background: linear-gradient(150deg, var(--tile-fixed-1), var(--tile-fixed-2)); color: var(--color-on-primary); }

/* ── 左欄：分類條 ── */
.strip {
  position: relative; isolation: isolate; overflow: hidden;
  display: flex; align-items: center; padding: 0 var(--space-8);
  border-radius: var(--radius-m); box-shadow: var(--shadow-panel);
}
.strip-media { position: absolute; top: 0; right: 0; bottom: 0; width: 52%; z-index: -1; transition: opacity .5s var(--ease); }
.strip-media img {
  width: 100%; height: 100%; object-fit: cover;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 50%); mask-image: linear-gradient(90deg, transparent, #000 50%);
}
.strip-body { display: flex; align-items: center; gap: var(--space-4); max-width: 60%; }
.strip h2 { margin: 0; font-size: 1.25rem; font-weight: 700; line-height: 1.3; white-space: nowrap; }
/* 已上線單元：整條可點（延伸連結），保留標題語意 */
.strip-link { color: inherit; text-decoration: none; }
.strip-link::after { content: ""; position: absolute; inset: 0; z-index: 2; border-radius: inherit; }
.strip:has(.strip-link) { transition: transform .35s var(--ease), box-shadow .35s var(--ease); }
.strip:has(.strip-link):hover { transform: translateY(-3px); }
.strip-link:focus-visible { outline: none; }
.strip-link:focus-visible::after { outline: 3px solid var(--color-ink); outline-offset: -3px; }
.en { display: block; font-size: .6875rem; font-weight: 600; letter-spacing: .16em; line-height: 1.5; }
.desc {
  margin: var(--space-2) 0 0; font-size: .8125rem; line-height: 1.55;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  transition: opacity .4s var(--ease);
}

.strip--orange { background: linear-gradient(120deg, var(--color-primary), var(--color-primary-2)); color: var(--color-on-primary); }
.strip--orange .en { color: var(--color-on-primary-2); }
.strip--light { background: linear-gradient(120deg, var(--color-light-1), var(--color-light-2)); color: var(--color-ink); }
.strip--light .en { color: var(--color-ink-2); }
.strip--dark { background: linear-gradient(120deg, var(--color-dark-1), var(--color-dark-2)); color: var(--color-on-dark); }
.strip--dark .en, .strip--dark .desc { color: var(--color-on-dark-2); }
.strip-art { position: absolute; right: 4%; top: 50%; width: 42%; height: 130%; transform: translateY(-50%); z-index: -1; color: var(--color-ink); transition: opacity .5s var(--ease); }
.strip-art svg { width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 1.25; stroke-linecap: round; stroke-linejoin: round; }

/* ── 中欄：主面板 ── */
.hero {
  position: absolute; inset: 0; overflow: hidden; isolation: isolate;
  border-radius: var(--radius-m); background: var(--color-dark-1); color: var(--color-on-dark);
  clip-path: inset(0 0 0 0 round var(--radius-m));
  transition: clip-path var(--dur) var(--ease);
}
.hero-media { position: absolute; inset: 0; z-index: -2; transition: opacity .5s var(--ease); }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: 38% 50%; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(20, 20, 22, .92) 0%, rgba(20, 20, 22, .55) 30%, rgba(20, 20, 22, 0) 48%, rgba(20, 20, 22, .15) 58%, rgba(20, 20, 22, .92) 86%);
}
.hero-inner {
  height: 100%; display: flex; flex-direction: column; justify-content: space-between;
  padding: var(--space-8) var(--space-6); transition: opacity .35s var(--ease);
}
.hero .eyebrow { margin: 0 0 var(--space-2); font-size: .75rem; font-weight: 700; letter-spacing: .2em; color: var(--color-primary); }
.hero h1 { margin: 0; font-size: 2rem; font-weight: 700; line-height: 1.2; letter-spacing: .02em; }
:root[lang="en"] .hero h1 { font-size: 1.625rem; }
.hero .tagline { margin: var(--space-3) 0 0; font-size: .875rem; letter-spacing: .12em; color: var(--color-on-dark-2); }
/* 服務項目標題：與左欄單元標題同規格（圖示＋1.25rem 標題＋英文副標） */
.services-head { display: flex; align-items: center; gap: var(--space-4); margin: 0 0 var(--space-4); }
.services-head h2 { margin: 0; font-size: 1.25rem; font-weight: 700; line-height: 1.3; white-space: nowrap; }
.services-head .en { color: var(--color-on-dark-2); }
.hero .icon-tile { background: linear-gradient(150deg, var(--tile-fixed-1), var(--tile-fixed-2)); color: var(--color-on-primary); }
.services { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-1); }
.services li { display: flex; align-items: baseline; gap: var(--space-3); font-size: .875rem; font-weight: 600; letter-spacing: .04em; }
.services a { display: flex; align-items: baseline; gap: var(--space-3); color: inherit; text-decoration: none; }
.services a:hover { color: var(--color-primary); }
.svc-link { color: inherit; text-decoration: none; }
.svc-link:hover { color: var(--color-primary); }
.services .num { min-width: 1.5rem; font-size: .75rem; font-weight: 700; color: var(--color-primary); font-variant-numeric: tabular-nums; }
.hero-band {
  position: absolute; left: 0; right: 0; top: calc(50% + var(--cur) * var(--step)); height: var(--item-h); transform: translateY(-50%);
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-2));
  opacity: 0; transition: opacity .3s var(--ease);
}

/* ── 右欄：物件卡 ── */
.tile {
  position: relative; isolation: isolate; overflow: hidden; display: block;
  padding: var(--space-6) var(--space-5); border-radius: var(--radius-m);
  background: linear-gradient(160deg, var(--color-light-2), var(--color-light-3)); color: var(--color-ink);
  box-shadow: var(--shadow-panel); text-decoration: none;
}
.tile h2 { margin: 0; font-size: 1.125rem; font-weight: 700; line-height: 1.3; }
.tile .en { color: var(--color-ink-2); }
.tile .desc { max-width: 15rem; color: var(--color-ink-2); }
.tile-media { position: absolute; inset: 0; z-index: -1; }
.tile-media img {
  width: 100%; height: 100%; object-fit: cover; filter: var(--tile-img-filter); mix-blend-mode: var(--tile-img-blend);
  -webkit-mask-image: linear-gradient(165deg, transparent 38%, #000 78%); mask-image: linear-gradient(165deg, transparent 38%, #000 78%);
}
.tile-geo { position: absolute; right: -8%; bottom: -10%; width: 78%; z-index: -1; opacity: var(--geo-opacity); }
.tile-go {
  display: inline-flex; align-items: center; gap: var(--space-1); margin-top: var(--space-3);
  font-size: .75rem; font-weight: 700; letter-spacing: .08em; color: var(--color-ink);
}
.tile-go svg { width: .875rem; height: .875rem; fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; transition: transform .3s var(--ease); }
a.tile:hover .tile-go svg { transform: translate(2px, -2px); }

/* ── 選單（桌機：主面板收成一列，選單項目展開） ── */
.menu { visibility: hidden; }
.menu ul { list-style: none; margin: 0; padding: 0; }
.menu-link {
  display: flex; align-items: center; gap: var(--space-4); height: 100%; padding: 0 var(--space-5);
  color: var(--color-ink); font-size: 1rem; font-weight: 600; text-decoration: none; white-space: nowrap;
}
.menu-link .en { color: var(--color-ink-2); }
.menu-link[aria-current="page"], .menu-link[aria-current="page"] .en { color: var(--color-on-primary); }
.menu-link .icon-tile {
  width: 2.25rem; height: 2.25rem; border-radius: .625rem; border-color: rgba(255, 255, 255, .08);
  background: linear-gradient(150deg, var(--tile-dark-1), var(--tile-dark-2)); color: var(--color-on-dark);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .12), 0 .5rem 1rem -.5rem rgba(0, 0, 0, .5);
}
.menu-link .icon-tile svg { width: 1.125rem; height: 1.125rem; }
.menu-link[aria-current="page"] .icon-tile { background: linear-gradient(150deg, var(--tile-fixed-1), var(--tile-fixed-2)); border-color: rgba(0, 0, 0, .06); color: var(--color-on-primary); }
.prefs--menu { display: none; }

@media (min-width: 1200px) {
  .menu { position: absolute; inset: 0; z-index: 4; transition: visibility 0s linear var(--dur); }
  .menu li {
    position: absolute; left: 0; right: 0; height: var(--item-h);
    top: calc(50% + var(--i) * var(--step) - var(--item-h) / 2);
    opacity: 0; transform: translateY(calc(var(--i) * -.75rem));
    transition: opacity .35s var(--ease), transform var(--dur) var(--ease);
  }

  /* 總和維持 83.5fr，右欄寬度與位置不變 */
  .menu-open .stage { grid-template-columns: 22fr 44.5fr 17fr; }
  .menu-open .strip-media, .menu-open .strip-art, .menu-open .strip .desc { opacity: 0; }
  .menu-open .hero { clip-path: inset(calc(50% + var(--cur) * var(--step) - var(--item-h) / 2) 0 calc(50% - var(--cur) * var(--step) - var(--item-h) / 2) 0 round var(--radius-m)); }
  .menu-open .hero-inner, .menu-open .hero-media { opacity: 0; }
  .menu-open .hero-band { opacity: 1; }
  .menu-open .menu { visibility: visible; transition-delay: 0s; }
  .menu-open .menu li { opacity: 1; transform: none; transition-delay: calc(.12s + var(--d) * 40ms); }
}

/* ── 進場動畫（有 JS 才啟用） ── */
.js .strip, .js .hero-wrap, .js .tile { opacity: 0; transform: translateY(1.5rem); }
.js .is-ready .strip, .js .is-ready .hero-wrap, .js .is-ready .tile {
  opacity: 1; transform: none;
  transition: opacity .8s var(--ease), transform .9s var(--ease);
}
.js .is-ready .hero-wrap { transition-delay: .05s; }
.js .is-ready .strip:nth-child(1) { transition-delay: .15s; }
.js .is-ready .strip:nth-child(2) { transition-delay: .22s; }
.js .is-ready .strip:nth-child(3) { transition-delay: .29s; }
.js .is-ready .strip:nth-child(4) { transition-delay: .36s; }
.js .is-ready .tile:nth-child(1) { transition-delay: .3s; }
.js .is-ready .tile:nth-child(2) { transition-delay: .38s; }
.js .is-ready .tile:nth-child(3) { transition-delay: .46s; }
.hero-wrap { position: absolute; inset: 0; }

/* ── 頁尾：左 Logo｜公司名；右 聯絡資訊與版權（齊右） ── */
.site-footer { background: var(--color-footer); color: var(--color-on-dark-2); font-size: .8125rem; }
.footer-inner {
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-8);
  width: 84vw; margin: 0 auto; padding: var(--space-8) 0;
}
.footer-brand { display: flex; align-items: center; gap: var(--space-5); }
.footer-logo { height: 3.5rem; width: auto; }
.footer-divider { width: 1px; align-self: stretch; margin: var(--space-2) 0; background: rgba(255, 255, 255, .2); }
.footer-names { display: grid; gap: 2px; line-height: 1.4; }
.footer-names b { color: var(--color-on-dark); font-size: .9375rem; font-weight: 600; letter-spacing: .06em; white-space: nowrap; }
.footer-names span { font-size: .75rem; letter-spacing: .02em; }
.footer-meta { display: grid; gap: var(--space-2); text-align: right; }
.footer-line { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: var(--space-1) var(--space-3); margin: 0; }
.footer-line .sep { color: rgba(255, 255, 255, .3); }
.legal { display: inline-flex; align-items: center; gap: var(--space-3); }
.site-footer a { color: var(--color-on-dark); text-decoration: none; }
.site-footer a:hover { color: var(--color-primary); }
.fb-link { display: inline-flex; }
.fb-link img { width: 1.25rem; height: 1.25rem; }

/* ═══ 平板與手機：展示牆改為堆疊版面，選單改為全螢幕 ═══ */
@media (max-width: 1199px) {
  html { font-size: 16px; }
  .wall { display: block; min-height: 0; padding: 6.5rem var(--space-4) var(--space-10); }
  .wall::after { display: none; }
  .stage { display: flex; flex-direction: column; gap: var(--space-2); width: auto; height: auto; margin: 0; -webkit-box-reflect: none; }
  .col-center { order: -1; height: min(78svh, 40rem); }
  .col-left { grid-template-rows: none; grid-template-columns: 1fr 1fr; gap: var(--space-2); }
  .col-right { grid-template-rows: none; grid-template-columns: repeat(3, 1fr); gap: var(--space-2); }
  .strip { min-height: 11rem; padding: var(--space-6); }
  .tile { min-height: 13rem; }

  /* 選單：右側抽屜（平板 1/2、手機 82%）；80% 不透明底＋抽屜背景模糊 16px */
  .menu {
    position: fixed; top: 0; right: 0; bottom: 0; z-index: 25; overflow-y: auto; width: 50vw;
    padding: calc(var(--header-h) + var(--space-4)) var(--space-6) var(--space-8);
    background: color-mix(in srgb, var(--color-light-2) 80%, transparent);
    -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
    border-left: 1px solid var(--chip-border);
    box-shadow: -1.5rem 0 3rem -1.5rem rgba(0, 0, 0, .3);
    transform: translateX(100%);
    transition: transform .45s var(--ease), visibility 0s linear .45s;
  }
  .menu li { height: 3.5rem; border-bottom: 1px solid var(--color-light-3); }
  /* 抽屜清單：首頁排第一（桌機變形選單才需要置中） */
  .menu ul { display: flex; flex-direction: column; }
  .menu li:has([aria-current="page"]) { order: -1; }
  .menu-link { padding: 0; }
  .menu-link[aria-current="page"], .menu-link[aria-current="page"] .en { color: var(--color-ink); }
  .menu-open .menu { visibility: visible; transform: none; transition-delay: 0s; }
  .menu-open { overflow: hidden; }
  .prefs--menu { display: flex; justify-content: space-between; gap: var(--space-2); margin-top: var(--space-6); }
  .topbar .prefs { transition: opacity .25s var(--ease); }
  .menu-open .topbar .prefs { opacity: 0; visibility: hidden; }
  /* 抽屜以外：內容模糊 6px，點擊關閉 */
  .menu-scrim {
    display: block; position: fixed; inset: 0; z-index: 24; background: rgba(0, 0, 0, .06);
    opacity: 0; visibility: hidden; transition: opacity .3s var(--ease), visibility 0s linear .3s;
  }
  .menu-open .menu-scrim { opacity: 1; visibility: visible; transition-delay: 0s; }
  .col-left, .col-right, .hero-wrap, .site-footer, .brand { transition: filter .35s var(--ease); }
  .menu-open .col-left, .menu-open .col-right, .menu-open .hero-wrap, .menu-open .site-footer, .menu-open .brand { filter: blur(6px); }

  .footer-inner { flex-direction: column; align-items: flex-start; width: auto; padding: var(--space-8) var(--space-6); }
  .footer-meta { text-align: left; }
  .footer-line { justify-content: flex-start; }
}

@media (max-width: 767px) {
  html { --header-h: 4.75rem; }
  .brand-logo { height: 3.5rem; }
  .topbar { padding: 0 var(--space-4); }
  .topbar .prefs { display: none; }
  .menu { width: 82vw; padding-left: var(--space-5); padding-right: var(--space-5); }
  .col-center { height: 34rem; }
  .col-left, .col-right { grid-template-columns: 1fr; }
  .strip-body { max-width: 66%; }
  /* 手機：Logo｜中英文名同列；地址｜電話｜FB 同列；版權一列、聲明一列 */
  .footer-brand { gap: var(--space-3); }
  .footer-logo { height: 2.5rem; }
  .footer-names b { font-size: .875rem; }
  .footer-names span { font-size: .625rem; }
  .footer-line { flex-wrap: nowrap; gap: var(--space-2); font-size: .6875rem; white-space: nowrap; }
  .fb-link img { width: 1rem; height: 1rem; }
  .footer-line--legal { flex-direction: column; align-items: flex-start; gap: var(--space-1); white-space: normal; }
  .sep-legal { display: none; }
  .legal { gap: var(--space-2); }
}

/* 最窄手機（360）：頁尾聯絡列再縮，確保同列 */
@media (max-width: 380px) {
  .footer-line { font-size: .625rem; gap: .375rem; }
}

/* 4K：倒影略收，避免大螢幕上過重 */
@media (min-width: 2560px) {
  .stage { -webkit-box-reflect: below .25rem linear-gradient(transparent 84%, rgba(255, 255, 255, .24)); }
}