/* 電翼動力 EWP — 全站樣式。設計 Token 延續原站：黑／紅／白，沙金為點綴。 */
:root{
  color-scheme:dark;
  --bg:#101113;--panel:#191b1e;--panel-2:#202327;--text:#f5f4f0;--muted:#b1b1b4;--red:#ff4a3d;--red-ink:#101113;
  --line:#36383d;--sand:#d3c1a4;--line-green:#06c755;--ok:#7fd49a;--warn:#e9c46a;
  --radius:2px;--gutter:clamp(16px,4vw,48px);--maxw:1280px;--header-h:76px;
  --font:Arial,"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;--mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px);-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.75;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:var(--red)}
p a,.prose a,.callout a,.fine a,.muted a{color:var(--sand);text-decoration:underline;text-underline-offset:3px}
button,input,select{font:inherit;color:inherit}
::selection{background:var(--red);color:var(--red-ink)}
:focus-visible{outline:3px solid var(--sand);outline-offset:3px}
h1,h2,h3{line-height:1.35;letter-spacing:-.02em}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.wrap{width:min(var(--maxw),calc(100% - var(--gutter)*2));margin-inline:auto}
.skip{position:absolute;left:8px;top:-100px;background:var(--red);color:var(--red-ink);padding:10px 14px;z-index:100;font-weight:700}
.skip:focus{top:8px}
.eyebrow{font-family:var(--mono);font-size:13px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;margin:0}
.red{color:var(--red)}
.muted{color:var(--muted)}
.lead{color:var(--muted);font-size:18px;max-width:680px}
.fine{font-size:13px;color:var(--muted);line-height:1.7}
.h3{font-size:22px}
.draft-banner{background:var(--warn);color:#111;text-align:center;font-weight:700;padding:8px 16px;font-size:14px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:46px;padding:10px 20px;border:1px solid var(--line);background:transparent;color:var(--text);font-size:15px;font-weight:700;cursor:pointer;transition:background .2s,color .2s,border-color .2s;text-decoration:none;border-radius:var(--radius);text-align:center}
.btn:hover{background:var(--text);border-color:var(--text);color:var(--red-ink)}
.btn-primary{background:var(--red);border-color:var(--red);color:var(--red-ink)}
.btn-line{background:var(--line-green);border-color:var(--line-green);color:#04140a}
.btn-line:hover{background:#fff;border-color:#fff;color:#04140a}
.btn-block{width:100%}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.icon-btn,.menu-btn{min-width:44px;min-height:44px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);background:transparent;cursor:pointer;color:var(--text)}
.menu-btn{padding:0 14px;font-weight:700}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(16,17,19,.97);border-bottom:1px solid var(--line);backdrop-filter:saturate(1.2) blur(6px)}
.nav{min-height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:14px;flex-shrink:0}
.wordmark{font-size:32px;line-height:1;font-weight:900;letter-spacing:-3px;font-style:italic;color:var(--red);padding-right:3px}
.brand-name{font-weight:700;letter-spacing:.16em;border-left:1px solid var(--line);padding-left:14px;font-size:15px}
.nav-desktop{display:none}
.nav-actions{display:flex;gap:8px}
.nav-list{list-style:none;margin:0;padding:0;display:flex;align-items:center;gap:4px}
.nav-list>li{position:relative;display:flex;align-items:center}
.nav-list a,.more-toggle{display:inline-flex;align-items:center;min-height:44px;padding:0 10px;font-size:14px;letter-spacing:.02em}
.nav-list a[aria-current=page]{color:var(--red)}
.mega-toggle,.more-toggle{background:transparent;border:0;cursor:pointer;min-height:44px;min-width:32px;color:var(--muted)}
.more-menu{position:absolute;right:0;top:100%;list-style:none;margin:0;padding:8px;background:var(--panel);border:1px solid var(--line);min-width:160px}
.more-menu a{display:flex;padding:0 12px}
.mega{position:absolute;left:0;right:0;top:100%;background:var(--panel);border-bottom:1px solid var(--line);display:none;box-shadow:0 20px 40px rgba(0,0,0,.4)}
.mega.open{display:block}
.mega-inner{padding:24px 0 28px}
.mega-search{display:flex;gap:10px;margin-bottom:22px;max-width:560px}
.mega-search input,.drawer-search input,.hero-search input{flex:1;min-width:0;min-height:46px;padding:10px 14px;background:var(--bg);border:1px solid var(--line);color:var(--text)}
.mega-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px 28px}
.mega-cat{font-weight:700;display:inline-block;margin-bottom:6px}
.mega-col ul{list-style:none;padding:0;margin:0;font-size:14px;color:var(--muted)}
.mega-col li a{display:inline-block;padding:3px 0}
.mega-all{display:inline-block;margin-top:20px;color:var(--sand);font-weight:700}
.drawer{border-top:1px solid var(--line);background:var(--bg);max-height:calc(100dvh - var(--header-h));overflow-y:auto;padding:16px var(--gutter) calc(24px + env(safe-area-inset-bottom))}
.drawer-search{display:flex;gap:8px;margin-bottom:12px}
.drawer-list,.drawer-list ul{list-style:none;margin:0;padding:0}
.drawer-list>li{border-bottom:1px solid var(--line)}
.drawer-list a,.drawer-list summary{display:flex;align-items:center;min-height:48px;padding:4px 0;cursor:pointer}
.drawer-list summary{font-weight:700;list-style:none;justify-content:space-between}
.drawer-list summary::-webkit-details-marker{display:none}
.drawer-list summary::after{content:"+";color:var(--muted);font-size:20px}
.drawer-list details[open]>summary::after{content:"−"}
.drawer-cats{padding-left:14px!important;border-left:1px solid var(--line);margin-bottom:8px!important}
.drawer-cats summary{font-weight:400}
.drawer-cats ul{padding-left:14px!important;color:var(--muted)}
.drawer-cta{margin-top:16px}
@media(min-width:1180px){
  .nav-desktop{display:block}.menu-btn{display:none}.drawer{display:none!important}
  .has-mega:hover>.mega-toggle,.has-mega:focus-within>.mega-toggle{color:var(--text)}
}

/* ---------- Page head / sections ---------- */
.page-head{padding:28px 0 12px}
.page-head h1{font-size:clamp(32px,5vw,52px);margin:8px 0 6px}
section{padding:36px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px;flex-wrap:wrap}
.section-head h2{font-size:clamp(26px,3.4vw,38px);margin:8px 0 0}
.section-head p{margin:0;color:var(--muted);max-width:460px}
.section-more{margin-top:18px}
.section-more a{color:var(--sand);font-weight:700}
.crumbs ol{list-style:none;padding:0;margin:14px 0 0;display:flex;flex-wrap:wrap;gap:4px 0;font-size:13px;color:var(--muted)}
.crumbs li:not(:last-child)::after{content:"/";margin:0 8px;color:var(--line)}
.crumbs a{display:inline-block;padding:6px 0}
.crumbs a:hover{color:var(--red)}
.crumbs [aria-current]{color:var(--text)}

/* ---------- Home ---------- */
.hero{padding:44px 0 24px}
.hero-top{display:flex;justify-content:space-between;gap:20px;margin-bottom:26px}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(42px,5.6vw,82px);line-height:1.18;letter-spacing:-.045em;margin:0 0 24px;font-weight:900}
.hero h1>span{display:block}
.hero-search{display:flex;gap:10px;margin-top:28px;max-width:520px}
.hero-note{display:flex;gap:20px;margin-top:36px;font-family:var(--mono);font-size:13px;color:var(--muted);letter-spacing:.08em}
.hero-note::before{content:"";width:42px;height:1px;background:var(--red);margin-top:11px;flex-shrink:0}
.feature{margin:0;border:1px solid var(--line);background:#050508}
.feature img{width:100%;aspect-ratio:1;object-fit:cover}
.feature figcaption{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 20px;background:var(--panel);border-top:1px solid var(--line)}
.feature figcaption strong{font-size:18px}
.feature figcaption span{font-size:13px;color:var(--muted);font-family:var(--mono)}
.quick-grid{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(6,1fr);border:1px solid var(--line);background:var(--line);gap:1px}
.quick-grid a{display:flex;flex-direction:column;gap:2px;padding:18px;background:var(--bg);height:100%;min-height:112px}
.quick-grid a:hover{background:var(--panel);color:var(--text)}
.quick-grid strong{font-size:17px}
.quick-grid span{font-size:13px;color:var(--muted)}
.quick-grid .quick-num{font-family:var(--mono);color:var(--sand)}
.projects{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.project{background:var(--panel);padding:30px;display:flex;flex-direction:column}
.project-num{font-family:var(--mono);font-size:13px;color:var(--sand);letter-spacing:.08em}
.project h3{font-size:30px;margin:22px 0 4px}
.project .english{font-family:var(--mono);font-size:14px;color:var(--muted);margin-bottom:16px;letter-spacing:.06em}
.project p{margin:0;color:var(--muted)}
.project .more{margin-top:auto;padding-top:20px;color:var(--sand);font-weight:700}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 0;padding:0;list-style:none}
.tags span,.tags li{font-size:13px;border:1px solid #484a50;padding:3px 10px;color:#dedbd5}
.cat-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.cat-grid a{display:flex;flex-direction:column;gap:6px;padding:20px;background:var(--bg);height:100%;min-height:128px}
.cat-grid a:hover{background:var(--panel);color:var(--text)}
.cat-grid strong{font-size:17px}
.cat-grid span{font-size:13px;color:var(--muted)}
.services-split{display:grid;grid-template-columns:.75fr 1.25fr;gap:64px;border-top:1px solid var(--line);padding-top:36px}
.services-split h2{font-size:clamp(32px,4vw,50px);margin:14px 0 18px}
.service-row{display:grid;grid-template-columns:44px 1fr;gap:16px;padding:22px 0;border-bottom:1px solid var(--line)}
.service-row:first-child{padding-top:0}
.service-row .num,.service-grid .num{font-family:var(--mono);color:var(--red)}
.service-row h3{margin:0 0 6px;font-size:21px}
.service-row p{margin:0;color:var(--muted)}
.about-band{background:var(--sand);color:#18191b;padding:56px}
.about-band a{color:#18191b}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.about-band .eyebrow{color:#44454a}
.about-band h2{font-size:clamp(30px,3.6vw,42px);margin:14px 0}
.about-band p{margin:0;font-size:18px;line-height:2}
.motto{font-size:clamp(39px,6vw,82px);font-weight:900;letter-spacing:-.06em;line-height:1.05;display:flex;justify-content:space-between;gap:12px}
.about-grid+.motto{margin-top:36px;padding-top:32px;border-top:1px solid #18191b50}
.faq details{border-top:1px solid var(--line);padding:18px 0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{font-weight:700;font-size:18px;cursor:pointer;min-height:44px;display:flex;align-items:center}
.faq details p{color:var(--muted);padding:0 4px;margin:8px 0 0}
.cta-band{border:1px solid var(--line);padding:36px;display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap;margin-top:24px}
.cta-band h2{font-size:28px;margin:0 0 8px}
.cta-band p{margin:0;color:var(--muted);max-width:620px}
.cta-band .actions{margin-top:0}

/* ---------- Catalog ---------- */
.cat-strip ul{list-style:none;margin:0;padding:0 0 4px;display:flex;gap:8px;overflow-x:auto;scrollbar-width:thin}
.cat-strip a,.chip{display:inline-flex;align-items:center;white-space:nowrap;min-height:40px;padding:6px 14px;border:1px solid var(--line);font-size:14px;background:transparent;cursor:pointer;color:var(--text)}
.chip[aria-pressed=true]{background:var(--text);color:var(--red-ink);border-color:var(--text)}
.chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0 0 20px}
.catalog{padding-top:16px}
.catalog-layout{display:grid;grid-template-columns:260px 1fr;gap:32px;align-items:start}
.filters{position:sticky;top:calc(var(--header-h) + 16px)}
.filters-box{border:1px solid var(--line);padding:4px 16px 16px;background:var(--panel)}
.filters-title{font-weight:700;font-size:16px;margin:10px 0 0}
.filters-toggle{display:none;width:100%;min-height:48px;justify-content:space-between;align-items:center;background:transparent;border:0;font-weight:700;font-size:16px;cursor:pointer;padding:0}
.field{display:flex;flex-direction:column;gap:4px;margin-top:12px;border:0;padding:0;min-width:0}
.field label,.field legend{font-size:13px;color:var(--muted);padding:0}
.field input,.field select{min-height:44px;padding:8px 10px;background:var(--bg);border:1px solid var(--line);width:100%;border-radius:0}
.field-inline{flex-direction:row;align-items:center;gap:10px;margin:0}
.field-inline select{width:auto}
.price-inputs{display:flex;gap:6px;align-items:center}
.price-range small{color:var(--muted);font-size:12px}
.filters-form .btn{margin-top:16px}
.results-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.results-count{margin:0;color:var(--muted)}
.pgrid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.pcard[hidden]{display:none}
.pcard-link{display:flex;flex-direction:column;height:100%;border:1px solid var(--line);background:var(--panel);transition:border-color .2s}
.pcard-link:hover{border-color:var(--red);color:var(--text)}
.pcard-media{position:relative;aspect-ratio:1;background:#0b0c0d;overflow:hidden}
.pcard-media img{width:100%;height:100%;object-fit:cover}
.img-ph{width:100%;height:100%;min-height:100%;aspect-ratio:1;display:grid;place-items:center;background:repeating-linear-gradient(135deg,#141518 0 12px,#17191c 12px 24px);color:#3a3c42;font-weight:900;font-style:italic;font-size:28px;letter-spacing:-2px}
.pcard-body{padding:14px;display:flex;flex-direction:column;gap:6px;flex:1}
.pcard-meta{font-size:12px;color:var(--muted)}
.pcard-title{font-size:15px;line-height:1.5;margin:0;font-weight:700;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}
.pcard-foot{margin-top:auto;display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap;padding-top:8px}
.price{font-weight:900;font-size:17px}
.price-inquiry{color:var(--sand)}
.avail{font-size:12px;color:var(--muted)}
.avail-in_stock{color:var(--ok)}
.badge{display:inline-block;font-size:12px;font-weight:700;padding:2px 8px;border:1px solid var(--line);color:var(--muted);margin-right:6px}
.badge-draft{position:absolute;left:8px;top:8px;background:var(--warn);color:#111;border-color:var(--warn)}
.pd .badge-draft{position:static}
.badge-ewp_original{border-color:var(--red);color:var(--red)}
.badge-ewp_assembled{border-color:var(--sand);color:var(--sand)}
.empty{border:1px dashed var(--line);padding:36px;text-align:center;margin-top:8px}
.empty h2{margin-top:0;font-size:22px}
.empty p{color:var(--muted);max-width:520px;margin-inline:auto}
.empty .actions{justify-content:center}
.load-more{display:flex;justify-content:center;margin-top:24px}

/* ---------- Product detail ---------- */
.pd{padding-top:12px}
.pd-top{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:48px;align-items:start}
.gallery-main{border:1px solid var(--line);background:#0b0c0d}
.gallery-main img{width:100%;aspect-ratio:1;object-fit:contain}
.gallery-thumbs{list-style:none;padding:0;margin:10px 0 0;display:flex;gap:8px;flex-wrap:wrap}
.gallery-thumbs button{width:72px;height:72px;padding:0;border:1px solid var(--line);background:#0b0c0d;cursor:pointer}
.gallery-thumbs button[aria-pressed=true]{border-color:var(--red)}
.gallery-thumbs img{width:100%;height:100%;object-fit:cover}
.gallery-empty .img-ph{border:1px solid var(--line)}
.pd-info h1{font-size:clamp(24px,3vw,34px);margin:10px 0 14px;overflow-wrap:anywhere}
.pd-info h1 small{font-family:var(--mono);font-size:.5em;color:var(--muted);letter-spacing:.06em}
.pd-meta{display:grid;grid-template-columns:auto 1fr;gap:4px 16px;margin:0 0 16px;font-size:14px}
.pd-meta div{display:contents}
.pd-meta dt{color:var(--muted)}
.pd-meta dd{margin:0;overflow-wrap:anywhere}
.pd-meta a{color:var(--sand)}
.pd-price{font-size:30px;font-weight:900;margin:8px 0 0}
.pd-avail{margin:2px 0 0;color:var(--muted)}
.pd-short{font-size:17px}
.pd-actions{margin-top:20px}
.pd-block{margin-top:40px;padding:0}
.pd-block h2{font-size:22px;border-bottom:1px solid var(--line);padding-bottom:10px}
.table-wrap{overflow-x:auto}
.table{width:100%;border-collapse:collapse;font-size:15px}
.table th,.table td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.table thead th{color:var(--muted);font-weight:400;font-size:13px}
.spec th{width:34%;color:var(--muted);font-weight:400}
.prose p,.prose-wide p{max-width:760px}
.prose-wide h2{font-size:22px;margin-top:32px}
.notes{padding-left:20px}
.review-box{margin-top:20px;border:1px solid var(--warn);padding:12px 16px;font-size:13px;color:var(--warn)}
.review-box ul{padding-left:18px;margin:6px 0 0}
.sticky-cta{display:none}
.callout{border-left:3px solid var(--red);background:var(--panel);padding:14px 18px;margin:20px 0}

/* ---------- Builds / services / batteries / contact ---------- */
.build-grid,.service-grid,.contact-grid,.chem-grid{list-style:none;margin:0;padding:0;display:grid;gap:16px}
.build-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.build-card a{display:flex;flex-direction:column;height:100%;border:1px solid var(--line);background:var(--panel)}
.build-card a:hover{border-color:var(--red);color:var(--text)}
.build-media .img-ph{font-size:22px}
.build-media img{width:100%;aspect-ratio:1;object-fit:cover}
.build-body{padding:18px}
.build-body h2{font-size:24px;margin:10px 0 0}
.build-body h2 small{font-family:var(--mono);font-size:13px;color:var(--muted);letter-spacing:.06em}
.build-body p{margin:6px 0 0}
.service-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.service-grid a{display:flex;flex-direction:column;height:100%;border:1px solid var(--line);padding:24px;background:var(--panel)}
.service-grid a:hover{border-color:var(--red);color:var(--text)}
.service-grid h2,.service-grid h3{font-size:21px;margin:8px 0}
.service-grid p{color:var(--muted);margin:0 0 16px}
.service-grid .more{margin-top:auto;color:var(--sand);font-weight:700}
.svc-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 40px}
.svc-block h2{font-size:20px;border-bottom:1px solid var(--line);padding-bottom:8px}
.checks{list-style:none;padding:0;margin:0}
.checks li{position:relative;padding:6px 0 6px 26px}
.checks li::before{content:"";position:absolute;left:4px;top:17px;width:10px;height:2px;background:var(--red)}
.steps{padding-left:22px;margin:0}
.steps li{padding:5px 0}
.other-services .chips{margin-top:12px}
.chem-grid{grid-template-columns:repeat(3,1fr)}
.chem-grid li{border:1px solid var(--line);padding:20px;background:var(--panel)}
.chem-grid h3{margin:0 0 8px;font-size:18px}
.chem-grid p{margin:0;color:var(--muted)}
.sub-links{margin-top:20px}
.split-card{border:1px solid var(--line);padding:32px;display:flex;justify-content:space-between;gap:24px;align-items:center;flex-wrap:wrap}
.split-card h2{margin:8px 0}
.split-card p{color:var(--muted);max-width:600px;margin:0}
.split-card .actions{margin-top:0}
.contact-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.contact-card{border:1px solid var(--line);padding:24px;background:var(--panel);display:flex;flex-direction:column;gap:12px}
.contact-card h2{margin:0;font-size:21px}
.contact-card p{margin:0;color:var(--muted)}
.contact-card .btn{margin-top:auto;overflow-wrap:anywhere}
.qr{margin:8px 0 0;text-align:center}
.qr img{margin:0 auto;background:#fff;padding:8px;width:200px;height:200px}
.qr figcaption{font-size:13px;color:var(--muted);margin-top:6px}
.contact-note{margin-top:20px}
.notfound{padding:72px 0;text-align:center}
.notfound h1{font-size:clamp(32px,5vw,52px);margin:8px 0}
.notfound .lead{margin-inline:auto}
.notfound .hero-search{margin-inline:auto}
.notfound .actions{justify-content:center}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line);margin-top:48px;padding:40px 0 calc(28px + env(safe-area-inset-bottom));font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
.footer-grid ul{list-style:none;padding:0;margin:0}
.footer-grid li a{display:inline-flex;align-items:center;min-height:36px;color:var(--muted);overflow-wrap:anywhere}
.footer-grid li a:hover{color:var(--red)}
.footer-h{font-size:13px;letter-spacing:.14em;color:var(--sand);margin:0 0 6px;font-family:var(--mono)}
.footer-brand p{color:var(--muted)}
.footer-row{display:flex;justify-content:space-between;gap:12px 24px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:28px;padding-top:20px;color:var(--muted);font-size:13px}
.footer-legal{display:flex;gap:16px}
.footer-legal a{display:inline-flex;min-height:32px;align-items:center}
.footer-note{flex-basis:100%}

/* ---------- Responsive ---------- */
@media(max-width:1100px){
  .mega-grid{grid-template-columns:repeat(3,1fr)}
  .quick-grid{grid-template-columns:repeat(3,1fr)}
  .cat-grid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:900px){
  .hero-grid,.pd-top,.services-split,.about-grid{grid-template-columns:1fr;gap:28px}
  .catalog-layout{grid-template-columns:1fr;gap:16px}
  .filters{position:static}
  .filters-box{padding:0 16px}
  .filters-title{display:none}
  .filters-toggle{display:flex}
  .filters-box:not(.open) .filters-form{display:none}
  .filters-box.open{padding-bottom:16px}
  .projects{grid-template-columns:1fr}
  .chem-grid,.svc-grid{grid-template-columns:1fr}
  .about-band{padding:32px}
  .has-sticky-cta .sticky-cta{display:flex;gap:8px;position:fixed;left:0;right:0;bottom:0;z-index:40;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(16,17,19,.97);border-top:1px solid var(--line)}
  .has-sticky-cta .sticky-cta .btn{flex:1;min-width:0;padding-inline:10px}
  .has-sticky-cta .site-footer{padding-bottom:calc(96px + env(safe-area-inset-bottom))}
}
@media(max-width:720px){
  :root{--header-h:64px}
  .wordmark{font-size:28px}
  .brand{gap:10px}.brand-name{padding-left:10px;font-size:14px;letter-spacing:.12em}
  .hide-sm{display:none}
  .hero{padding-top:24px}
  .hero h1{font-size:clamp(36px,11vw,56px)}
  .lead{font-size:16px}
  .quick-grid,.cat-grid{grid-template-columns:repeat(2,1fr)}
  .quick-grid a,.cat-grid a{padding:14px;min-height:0}
  .pgrid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .pcard-body{padding:10px}
  .pcard-title{font-size:14px}
  .price{font-size:15px}
  .section-head{margin-bottom:20px}
  .cta-band,.split-card{padding:22px}
  .cta-band .actions .btn,.split-card .actions .btn{flex:1 1 auto}
  .motto{flex-direction:column;gap:0;font-size:48px}
  .about-band{padding:24px}
  .about-band p{font-size:16px}
  .footer-grid{grid-template-columns:1fr}
  .empty{padding:24px 16px}
  .hero-search,.mega-search{flex-wrap:nowrap}
}
@media(max-width:360px){
  .brand-name{display:none}
  .pgrid{grid-template-columns:1fr 1fr;gap:8px}
  .quick-grid,.cat-grid{grid-template-columns:1fr}
  .btn{padding-inline:14px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* ---------- v2.1：Instagram QR、營業登記、聯名標籤 ---------- */
.btn-ig{background:#fff;border-color:#fff;color:#18191b}
.btn-ig:hover{background:var(--sand);border-color:var(--sand)}
.qr img{width:220px;height:220px}
/* Instagram QR 使用 EWP 提供的原檔，只以 CSS 裁切顯示中央白色卡片區（QR＋帳號），使大小與 LINE QR 一致、易於掃描 */
.qr-ig .qr-crop{position:relative;width:220px;height:220px;margin:0 auto;overflow:hidden;background:#fff;border-radius:6px}
.qr-ig .qr-crop img{position:absolute;max-width:none;width:124.4%;height:auto;left:-12.2%;top:-38.95%;padding:0;margin:0;background:transparent}
.biz-dl{display:grid;grid-template-columns:auto 1fr;gap:6px 20px;margin:0;font-size:15px;max-width:640px}
.biz-dl div{display:contents}
.biz-dl dt{color:var(--muted)}
.biz-dl dd{margin:0;overflow-wrap:anywhere}
.badge-collab{border-color:var(--sand);color:var(--sand)}
.biz-notice{margin:8px 0 0;padding:10px 12px;border-left:3px solid var(--warn);background:var(--panel);color:var(--text);font-size:15px;line-height:1.7}
.var-thumb{display:inline-block;width:40px;height:40px;object-fit:cover;vertical-align:middle;margin-right:10px;border:1px solid var(--line)}
.snap{margin-top:12px;color:var(--text)}
.snap summary{cursor:pointer;color:var(--warn);font-weight:700;min-height:32px}