/* 華瑋 宗教建築材料 — 莊嚴、簡潔、隆重 */
:root {
  --ivory: #F5EFE4;
  --paper: #FBF8F2;
  --ink: #1F1A16;
  --ink-2: #4A4038;
  --muted: #6E6357;
  --cinnabar: #9A2B1F;
  --cinnabar-d: #7C2118;
  --gold: #B8955C;
  --gold-l: #D9C29A;
  --sandal: #2A1F19;
  --sandal-2: #3A2C23;
  --line: #E2D6C3;
  --serif: "Noto Serif TC", "Source Han Serif TC", "PMingLiU", serif;
  --max: 1200px;
  --gut: 24px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.9;
  letter-spacing: .04em;
  color: var(--ink);
  background: var(--ivory);
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-weight: 700; line-height: 1.4; margin: 0; letter-spacing: .08em; text-wrap: balance; }
p { margin: 0 0 1em; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gut); }

/* ── 頁首 ── */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(245, 239, 228, .96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
  transition: background .3s, border-color .3s;
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand { display: flex; align-items: center; }
.brand img { height: 46px; width: auto; }
.brand .rev { display: none; }
.nav { display: flex; gap: 34px; font-size: 16px; letter-spacing: .14em; }
.nav a { position: relative; padding: 6px 0; color: var(--ink-2); transition: color .2s; }
.nav a::after { content: ""; position: absolute; left: 50%; right: 50%; bottom: 0; height: 1px; background: var(--cinnabar); transition: left .25s, right .25s; }
.nav a:hover, .nav a.on { color: var(--cinnabar); }
.nav a:hover::after, .nav a.on::after { left: 0; right: 0; }
.nav-tel { display: inline-flex; align-items: center; gap: 8px; padding: 8px 18px; border: 1px solid var(--cinnabar); color: var(--cinnabar); font-size: 15px; letter-spacing: .1em; transition: all .2s; }
.nav-tel:hover { background: var(--cinnabar); color: var(--paper); }
.menu-btn { display: none; background: none; border: 0; width: 44px; height: 44px; padding: 10px; cursor: pointer; }
.menu-btn span { display: block; height: 1px; background: var(--ink); margin: 7px 0; transition: transform .25s, opacity .25s; }

/* 首頁：頁首疊在主視覺上 */
.home .site-header { position: fixed; left: 0; right: 0; background: transparent; border-color: transparent; }
.home .site-header .brand .rev { display: block; }
.home .site-header .brand .col { display: none; }
.home .site-header .nav a { color: rgba(251, 248, 242, .88); }
.home .site-header .nav a:hover { color: var(--gold-l); }
.home .site-header .nav a::after { background: var(--gold-l); }
.home .site-header .nav-tel { border-color: var(--gold-l); color: var(--gold-l); }
.home .site-header .menu-btn span { background: var(--paper); }
.home .site-header.solid { background: rgba(245, 239, 228, .97); border-color: var(--line); }
.home .site-header.solid .brand .rev { display: none; }
.home .site-header.solid .brand .col { display: block; }
.home .site-header.solid .nav a { color: var(--ink-2); }
.home .site-header.solid .nav a:hover { color: var(--cinnabar); }
.home .site-header.solid .nav a::after { background: var(--cinnabar); }
.home .site-header.solid .nav-tel { border-color: var(--cinnabar); color: var(--cinnabar); }
.home .site-header.solid .menu-btn span { background: var(--ink); }

/* ── 主視覺 ── */
.hero { position: relative; height: 100vh; min-height: 640px; overflow: hidden; background: var(--sandal); color: var(--paper); }
.hero-slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1.6s ease; }
.hero-slide.on { opacity: 1; }
.hero-slide img { width: 100%; height: 100%; object-fit: cover; object-position: right bottom; transform-origin: right bottom; transform: scale(1.04); transition: transform 8s ease-out; }
picture { display: contents; }
.hero-slide.on img { transform: scale(1); }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(20, 13, 9, .6) 0%, rgba(20, 13, 9, 0) 13%, rgba(20, 13, 9, 0) 87%, rgba(20, 13, 9, .6) 100%), linear-gradient(180deg, rgba(20, 13, 9, .6) 0%, rgba(20, 13, 9, 0) 26%), radial-gradient(ellipse 62% 58% at 50% 50%, rgba(20, 13, 9, .62) 0%, rgba(20, 13, 9, .38) 62%, rgba(20, 13, 9, .08) 100%); }
.hero-inner { position: relative; z-index: 2; height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 96px var(--gut) 60px; }
.hero-mark { width: 120px; opacity: .95; margin-bottom: 26px; }
.hero h1 { font-size: clamp(34px, 5.4vw, 64px); font-weight: 900; letter-spacing: .32em; margin-right: -.32em; text-shadow: 0 2px 18px rgba(0, 0, 0, .35); }
.hero .sub { margin-top: 18px; font-size: clamp(15px, 1.6vw, 19px); letter-spacing: .5em; margin-right: -.5em; color: var(--gold-l); text-shadow: 0 1px 12px rgba(0, 0, 0, .6); }
.hero .tagline { text-shadow: 0 1px 12px rgba(0, 0, 0, .55); margin-top: 38px; font-size: clamp(16px, 1.7vw, 20px); letter-spacing: .24em; line-height: 2.2; color: rgba(251, 248, 242, .9); }
.hero .rule { width: 1px; height: 64px; background: linear-gradient(var(--gold-l), transparent); margin: 34px auto 0; }
.hero-dots { position: absolute; z-index: 3; bottom: 34px; left: 50%; transform: translateX(-50%); display: flex; gap: 12px; }
.hero-dots button { position: relative; width: 40px; height: 28px; border: 0; padding: 0; background: transparent; cursor: pointer; }
.hero-dots button::before { content: ""; position: absolute; left: 3px; right: 3px; top: 13px; height: 2px; background: rgba(251, 248, 242, .45); }
.hero-dots button.on::before { background: var(--gold-l); }
.hero-v { position: absolute; z-index: 3; top: 50%; transform: translateY(-50%); writing-mode: vertical-rl; font-size: 15px; letter-spacing: .6em; color: rgba(232, 214, 180, .95); text-shadow: 0 1px 10px rgba(0, 0, 0, .7), 0 0 2px rgba(0, 0, 0, .6); }
.hero-v.l { left: 4vw; }
.hero-v.r { right: 4vw; }

/* ── 內頁標題 ── */
.page-hero { position: relative; height: 380px; overflow: hidden; background: var(--sandal); color: var(--paper); }
.page-hero img { width: 100%; height: 100%; object-fit: cover; object-position: right bottom; }
.page-hero::after { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse 70% 90% at 50% 50%, rgba(20, 13, 9, .66) 0%, rgba(20, 13, 9, .42) 65%, rgba(20, 13, 9, .1) 100%); }
.page-hero .in { z-index: 2; }
.page-hero .in { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 0 var(--gut); }
.page-hero h1 { font-size: clamp(30px, 4vw, 46px); font-weight: 900; letter-spacing: .4em; margin-right: -.4em; }
.page-hero p { margin: 14px 0 0; color: var(--gold-l); letter-spacing: .3em; font-size: 15px; }
.crumb { font-size: 13px; letter-spacing: .14em; color: var(--muted); padding-top: 18px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.crumb a:hover { color: var(--cinnabar); }

/* ── 區塊 ── */
section { padding: 110px 0; }
section.tight { padding: 80px 0; }
.paper { background: var(--paper); }
.dark { background: var(--sandal); color: var(--paper); }
.dark p { color: rgba(251, 248, 242, .78); }
.sec-head { text-align: center; margin-bottom: 64px; }
.sec-head .label { display: inline-flex; align-items: center; gap: 16px; font-size: 14px; letter-spacing: .4em; color: var(--cinnabar); margin-bottom: 18px; }
.sec-head .label::before, .sec-head .label::after { content: ""; width: 44px; height: 1px; background: var(--gold); }
.dark .sec-head .label { color: var(--gold-l); }
.sec-head h2 { font-size: clamp(26px, 3vw, 36px); letter-spacing: .26em; }
.sec-head p { max-width: 720px; margin: 22px auto 0; color: var(--ink-2); }
.dark .sec-head p { color: rgba(251, 248, 242, .72); }
.ornament { display: block; width: 120px; height: 14px; margin: 22px auto 0; }

/* 理念 */
.intro { display: grid; grid-template-columns: 1.05fr 1fr; gap: 72px; align-items: center; }
.intro-img { position: relative; }
.intro-img img { width: 100%; aspect-ratio: 4/3; object-fit: cover; object-position: right bottom; }
.intro-img::before { content: ""; position: absolute; inset: -14px 14px 14px -14px; border: 1px solid var(--gold); z-index: -1; }
.intro-text h2 { font-size: clamp(24px, 2.6vw, 32px); letter-spacing: .2em; margin-bottom: 28px; }
.intro-text .lead { font-size: 19px; color: var(--cinnabar); letter-spacing: .12em; margin-bottom: 22px; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 40px; border-top: 1px solid var(--line); }
.stats div { padding: 22px 0 0; text-align: center; }
.stats b { display: block; font-size: 22px; color: var(--cinnabar); letter-spacing: .1em; }
.stats span { font-size: 14px; color: var(--muted); letter-spacing: .14em; }

/* 營業項目卡片 */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 34px; }
.svc { background: var(--paper); border: 1px solid var(--line); transition: transform .3s, box-shadow .3s, border-color .3s; display: flex; flex-direction: column; }
.svc:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(42, 31, 25, .12); border-color: var(--gold); }
.svc .ph { overflow: hidden; aspect-ratio: 4/3; background: var(--line); }
.svc .ph img { width: 100%; height: 100%; object-fit: cover; object-position: right bottom; transition: transform .8s; }
.svc:hover .ph img { transform: scale(1.025); }
.svc .tx { padding: 28px 28px 32px; flex: 1; display: flex; flex-direction: column; }
.svc .no { font-size: 13px; letter-spacing: .3em; color: #8A6A35; }
.svc h3 { font-size: 21px; margin: 6px 0 14px; letter-spacing: .16em; }
.svc p { font-size: 15.5px; color: var(--ink-2); line-height: 1.95; flex: 1; }
.svc .more { font-size: 14px; letter-spacing: .2em; color: var(--cinnabar); }
.svc .more::after { content: " →"; }

/* 案例 */
.case-feature { display: grid; grid-template-columns: 1.4fr 1fr; gap: 0; background: var(--sandal-2); }
.case-feature .ph img { width: 100%; height: 100%; object-fit: cover; object-position: right bottom; min-height: 460px; }
.case-feature .tx { padding: 56px 52px; color: var(--paper); display: flex; flex-direction: column; justify-content: center; }
.case-feature .tag { font-size: 13px; letter-spacing: .3em; color: var(--gold-l); }
.case-feature h3 { font-size: 30px; letter-spacing: .2em; margin: 12px 0 22px; }
.case-feature p { color: rgba(251, 248, 242, .78); font-size: 16px; }
.case-feature ul { list-style: none; padding: 0; margin: 10px 0 30px; }
.case-feature li { padding: 8px 0; border-bottom: 1px solid rgba(217, 194, 154, .18); font-size: 15px; color: rgba(251, 248, 242, .85); }
.case-feature li::before { content: "◆"; color: var(--gold); font-size: 10px; margin-right: 12px; vertical-align: 2px; }

/* 按鈕 */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 14px 36px; border: 1px solid var(--cinnabar); color: var(--cinnabar); font-family: var(--serif); font-size: 15px; letter-spacing: .26em; background: transparent; cursor: pointer; transition: all .25s; }
.btn:hover { background: var(--cinnabar); color: var(--paper); }
.btn.solid { background: var(--cinnabar); color: var(--paper); }
.btn.solid:hover { background: var(--cinnabar-d); border-color: var(--cinnabar-d); }
.btn.gold { border-color: var(--gold-l); color: var(--gold-l); }
.btn.gold:hover { background: var(--gold-l); color: var(--sandal); }
.center { text-align: center; }
.mt40 { margin-top: 48px; }

/* 型錄格 */
.filters { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 44px; }
.filters button { font-family: var(--serif); font-size: 15px; letter-spacing: .16em; padding: 9px 22px; border: 1px solid var(--line); background: var(--paper); color: var(--ink-2); cursor: pointer; transition: all .2s; }
.filters button:hover { border-color: var(--gold); color: var(--cinnabar); }
.filters button.on { background: var(--cinnabar); border-color: var(--cinnabar); color: var(--paper); }
.gallery { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 26px 18px; }
.gallery figure { margin: 0; }
.gallery .fr { position: relative; overflow: hidden; aspect-ratio: 1/1; background: var(--line); cursor: zoom-in; }
.gallery img { width: 100%; height: 100%; object-fit: cover; object-position: right bottom; transition: transform .7s; }
.gallery figure:hover img, .gallery img:focus-visible { transform: scale(1.025); }
.gallery img:focus-visible { outline: 2px solid var(--cinnabar); outline-offset: -2px; }
.gallery figcaption { padding: 10px 2px 0; font-size: 14px; line-height: 1.6; letter-spacing: .1em; color: var(--ink-2); text-align: center; }
.dark .gallery figcaption { color: rgba(251, 248, 242, .78); }
.gallery figure.hide, .gallery figure.more { display: none; }
.load-more { display: none; margin: 40px auto 0; }
.load-more.on { display: flex; }

/* 燈箱 */
.lb { position: fixed; inset: 0; z-index: 100; background: rgba(16, 11, 8, .94); display: none; align-items: center; justify-content: center; flex-direction: column; padding: 60px 16px; }
.lb.on { display: flex; }
.lb img { max-width: min(1400px, 94vw); max-height: 80vh; object-fit: contain; box-shadow: 0 10px 50px rgba(0, 0, 0, .5); }
.lb .cap { margin-top: 18px; color: var(--gold-l); letter-spacing: .2em; font-size: 15px; text-align: center; }
.lb button { position: absolute; background: rgba(20, 13, 9, .55); border: 0; border-radius: 50%; width: 52px; height: 52px; line-height: 1; color: var(--paper); font-size: 30px; cursor: pointer; padding: 0; font-family: var(--serif); opacity: .9; }
.lb button:hover { opacity: 1; color: var(--gold-l); }
.lb .x { top: 10px; right: 14px; }
.lb .pv { left: 10px; top: 50%; transform: translateY(-50%); }
.lb .nx { right: 10px; top: 50%; transform: translateY(-50%); }

/* 流程 */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid rgba(217, 194, 154, .25); border-left: 1px solid rgba(217, 194, 154, .25); }
.step { padding: 36px 30px 34px; border-right: 1px solid rgba(217, 194, 154, .25); border-bottom: 1px solid rgba(217, 194, 154, .25); }
.step .n { font-size: 34px; font-weight: 300; color: var(--gold); letter-spacing: .06em; line-height: 1; }
.step h4 { font-size: 19px; letter-spacing: .2em; margin: 16px 0 10px; color: var(--paper); }
.step p { font-size: 14.5px; margin: 0; line-height: 1.9; }

/* 服務詳細（交錯圖文） */
.svc-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 70px; align-items: center; padding: 70px 0; border-bottom: 1px solid var(--line); }
.svc-row:last-child { border-bottom: 0; }
.svc-row.rev .ph { order: 2; }
.svc-row .ph { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); grid-template-rows: minmax(0, 1fr) minmax(0, 1fr); gap: 10px; aspect-ratio: 3/2; }
.svc-row .ph img { width: 100%; height: 100%; min-width: 0; object-fit: cover; object-position: right bottom; cursor: zoom-in; }
.svc-row .ph img:first-child { grid-row: 1 / 3; }
.svc-row .no { font-size: 14px; letter-spacing: .4em; color: var(--cinnabar); }
.svc-row h2 { font-size: 28px; letter-spacing: .2em; margin: 8px 0 22px; }
.svc-row p { color: var(--ink-2); }
.svc-row ul { list-style: none; padding: 0; margin: 18px 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 6px 20px; }
.svc-row li { font-size: 15px; color: var(--ink-2); }
.svc-row li::before { content: "◆"; color: var(--cinnabar); font-size: 9px; margin-right: 10px; vertical-align: 2px; }

/* 關於 */
.values { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.value { text-align: center; padding: 40px 22px; border: 1px solid var(--line); background: var(--paper); }
.value .ch { font-size: 46px; font-weight: 900; color: var(--cinnabar); line-height: 1; }
.value h3 { font-size: 18px; letter-spacing: .24em; margin: 20px 0 12px; }
.value p { font-size: 15px; color: var(--ink-2); margin: 0; }

/* 案例頁 */
.case-meta { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); background: var(--paper); margin-bottom: 70px; }
.case-meta div { padding: 26px 24px; border-right: 1px solid var(--line); }
.case-meta div:last-child { border-right: 0; }
.case-meta span { display: block; font-size: 13px; letter-spacing: .24em; color: var(--muted); }
.case-meta b { display: block; margin-top: 6px; font-size: 17px; letter-spacing: .1em; }
.case-block { display: grid; grid-template-columns: 1fr 1.25fr; gap: 64px; align-items: start; margin-bottom: 90px; }
.case-block.rev .imgs { order: -1; }
.case-block h3 { font-size: 24px; letter-spacing: .2em; margin-bottom: 18px; }
.case-block h3 small { display: block; font-size: 13px; letter-spacing: .3em; color: var(--cinnabar); font-weight: 400; margin-bottom: 6px; }
.case-block p { color: var(--ink-2); }
.case-block .imgs { display: grid; gap: 12px; }
.case-block .imgs img { width: 100%; cursor: zoom-in; }
.case-block .imgs.two { grid-template-columns: 1fr 1fr; }

/* 聯絡 */
.contact { display: grid; grid-template-columns: 1fr 1.2fr; gap: 70px; }
.contact-info h3 { font-size: 22px; letter-spacing: .2em; margin-bottom: 26px; }
.contact-info .tel { display: block; font-size: 34px; font-weight: 700; color: var(--cinnabar); letter-spacing: .1em; margin: 6px 0 24px; }
.contact-info dl { margin: 0; }
.contact-info dt { font-size: 13px; letter-spacing: .3em; color: var(--muted); margin-top: 20px; }
.contact-info dd { margin: 4px 0 0; }
.form { background: var(--paper); border: 1px solid var(--line); padding: 44px 40px; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form label { display: block; font-size: 14px; letter-spacing: .2em; color: var(--ink-2); margin-bottom: 18px; }
.form input, .form select, .form textarea { display: block; width: 100%; margin-top: 8px; padding: 12px 14px; font-family: var(--serif); font-size: 16px; color: var(--ink); background: var(--ivory); border: 1px solid var(--line); border-radius: 0; outline: none; transition: border-color .2s; }
.form input:focus, .form select:focus, .form textarea:focus { border-color: var(--cinnabar); outline: 2px solid rgba(154, 43, 31, .25); outline-offset: 1px; }
.form textarea { min-height: 140px; resize: vertical; }
.form .hp { position: absolute; left: -9999px; }
.form .msg { margin-top: 16px; font-size: 15px; min-height: 1.5em; }
.form .msg.ok { color: #3E6B3A; }
.form .msg.err { color: var(--cinnabar); }

/* CTA */
.cta { position: relative; padding: 120px 0; text-align: center; color: var(--paper); overflow: hidden; background: var(--sandal); }
.cta img.bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: right bottom; }
.cta::after { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse 62% 75% at 50% 50%, rgba(16, 11, 8, .86) 0%, rgba(16, 11, 8, .62) 62%, rgba(16, 11, 8, .08) 100%); }
.cta .wrap { z-index: 2; }
.cta .wrap { position: relative; }
.cta h2 { font-size: clamp(26px, 3.2vw, 38px); letter-spacing: .3em; }
.cta p { margin: 22px auto 36px; color: rgba(251, 248, 242, .8); letter-spacing: .14em; max-width: 640px; }
.cta .tel { display: block; font-size: clamp(28px, 4vw, 44px); color: var(--gold-l); letter-spacing: .14em; margin-bottom: 30px; font-weight: 700; }

/* 頁尾 */
.site-footer { background: #1B140F; color: rgba(251, 248, 242, .66); padding: 80px 0 30px; font-size: 15px; }
.site-footer .grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 50px; padding-bottom: 50px; border-bottom: 1px solid rgba(217, 194, 154, .16); }
.site-footer .logo { width: 210px; }
.site-footer h4 { color: var(--gold-l); font-size: 15px; letter-spacing: .3em; margin-bottom: 18px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { padding: 4px 0; }
.site-footer a:hover { color: var(--gold-l); }
.site-footer .copy { padding-top: 26px; font-size: 13px; letter-spacing: .14em; text-align: center; color: rgba(251, 248, 242, .42); }
.footer-tel { font-size: 24px; color: var(--gold-l); letter-spacing: .12em; }

/* 手機浮動電話 */
.float-tel { display: none; position: fixed; right: 14px; bottom: 16px; z-index: 60; width: 48px; height: 48px; border-radius: 50%; background: var(--cinnabar); color: var(--paper); align-items: center; justify-content: center; box-shadow: 0 6px 20px rgba(0, 0, 0, .3); }

/* 淡入 */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .9s ease, transform .9s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } .hero-slide img { transition: none; } }

/* ── 平板 ── */
@media (max-width: 1080px) {
  .nav { gap: 22px; font-size: 15px; }
  .nav-tel { display: none; }
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .values { grid-template-columns: repeat(2, 1fr); }
  .hero-v { display: none; }
}

/* ── 手機 ── */
@media (max-width: 820px) {
  :root { --gut: 16px; }
  body { font-size: 16px; }
  section { padding: 72px 0; }
  .site-header .wrap { height: 64px; }
  .brand img { height: 38px; }
  .menu-btn { display: block; }
  .nav { position: fixed; top: 64px; left: 0; right: 0; flex-direction: column; gap: 0; background: var(--ivory); border-bottom: 1px solid var(--line); padding: 8px var(--gut) 18px; transform: translateY(-120%); opacity: 0; pointer-events: none; transition: transform .3s, opacity .3s; }
  .nav a { padding: 14px 4px; border-bottom: 1px solid var(--line); color: var(--ink-2) !important; font-size: 16px; }
  .nav a::after { display: none; }
  .nav.open { transform: none; opacity: 1; pointer-events: auto; }
  .home .site-header.menu-open { background: rgba(245, 239, 228, .98); }
  .home .site-header.menu-open .brand .rev { display: none; }
  .home .site-header.menu-open .brand .col { display: block; }
  .home .site-header.menu-open .menu-btn span { background: var(--ink); }
  .hero { min-height: 560px; height: 92vh; }
  .hero-mark { width: 88px; }
  .hero h1 { letter-spacing: .2em; margin-right: -.2em; }
  .hero .sub { letter-spacing: .3em; margin-right: -.3em; }
  .hero .tagline { letter-spacing: .12em; }
  .page-hero { height: 260px; }
  .page-hero h1 { letter-spacing: .24em; margin-right: -.24em; }
  .intro, .case-feature, .contact, .case-block, .svc-row { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .intro-img::before { display: none; }
  .case-block.rev .imgs, .svc-row.rev .ph { order: 0; }
  .case-feature .ph img { min-height: 260px; }
  .case-feature .tx { padding: 36px 24px; }
  .svc-grid { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gallery { gap: 18px 10px; }
  .gallery figcaption { font-size: 13px; letter-spacing: .04em; padding-top: 6px; }
  .steps { grid-template-columns: 1fr; }
  .values { grid-template-columns: 1fr; }
  .case-meta { grid-template-columns: 1fr 1fr; }
  .case-meta div:nth-child(2) { border-right: 0; }
  .case-meta div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .case-meta div:last-child { grid-column: 1 / -1; }
  .svc-row { padding: 48px 0; }
  .svc-row ul { grid-template-columns: 1fr; }
  .form { padding: 28px 20px; }
  .form .row { grid-template-columns: 1fr; gap: 0; }
  .site-footer .grid { grid-template-columns: 1fr; gap: 34px; }
  .float-tel { display: flex; }
  .sec-head { margin-bottom: 44px; }
  .stats b { font-size: 18px; }
}

.hero-dots { left: 4vw; transform: none; }
@media (max-width: 820px) {
  .stats b { font-size: 16px; letter-spacing: .04em; }
  .stats span { display: block; font-size: 13px; letter-spacing: .02em; line-height: 1.6; padding: 0 4px; }
  .hero-dots { left: 16px; bottom: 26px; }
}

/* 手機選單開啟時漢堡變 × */
.menu-open .menu-btn span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.menu-open .menu-btn span:nth-child(2) { opacity: 0; }
.menu-open .menu-btn span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
body.no-scroll { overflow: hidden; }
@media (max-width: 820px) { .nav:not(.open) { visibility: hidden; } .lb button { width: 44px; height: 44px; font-size: 26px; } }
.case-block .imgs img { cursor: zoom-in; }
.svc-row .ph img:focus-visible, .case-block .imgs img:focus-visible { outline: 2px solid var(--cinnabar); outline-offset: 2px; }

.nw { white-space: nowrap; }
/* 浮動電話鈕：捲動一段才出現，避免一進頁面就蓋住篩選列 */
.float-tel { opacity: 0; pointer-events: none; transition: opacity .3s; }
.float-tel.show { opacity: 1; pointer-events: auto; }
@media (max-width: 420px) {
  .stats { grid-template-columns: 1fr; }
  .stats div { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding: 12px 2px; border-bottom: 1px solid var(--line); text-align: left; }
  .stats span { display: inline; }
  .hero-dots button { width: 30px; }
}