/* 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}
.preview-banner{background:#6cc4ff;color:#0b1620}.preview-banner a{color:#0b1620;text-decoration:underline}

/* ---------- 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)}
/* TUNE LAB：獨立識別色（訊號青），前方小訊號點 */
.nav-lab{color:#56d6ff!important;font-weight:700;letter-spacing:.14em!important;gap:7px}
.nav-lab::before{content:"";width:6px;height:6px;border-radius:50%;background:#56d6ff;box-shadow:0 0 0 0 rgba(86,214,255,.6);animation:labPulse 2.2s ease-out infinite;flex:none}
.nav-lab:hover{color:#a9ecff!important}
@keyframes labPulse{0%{box-shadow:0 0 0 0 rgba(86,214,255,.55)}70%{box-shadow:0 0 0 7px rgba(86,214,255,0)}100%{box-shadow:0 0 0 0 rgba(86,214,255,0)}}
@media(prefers-reduced-motion:reduce){.nav-lab::before{animation:none}}
.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)}
.brand-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)}
.brand-grid a{display:grid;place-items:center;height:120px;padding:20px 24px;background:var(--bg)}
.brand-grid img{max-width:min(100%,170px);max-height:46px;width:auto;height:auto;opacity:.62;transition:opacity .2s}
.brand-grid img.b-geprc{max-height:38px}.brand-grid img.b-konker{max-width:min(100%,200px)}.brand-grid img.b-fdi{max-height:68px}.brand-grid img.b-mad{max-height:50px}
.brand-grid a:hover{background:var(--panel)}.brand-grid a:hover img,.brand-grid a:focus-visible img{opacity:1}
@media(max-width:720px){.brand-grid{grid-template-columns:repeat(2,1fr)}.brand-grid li:last-child{grid-column:1/-1}.brand-grid a{height:96px}.brand-grid img{max-height:34px}.brand-grid img.b-fdi{max-height:56px}}
.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}
/* 自製機型目錄（v2.7）：圖片、價格、供貨來自商城商品；手機 1 欄、平板 2 欄、電腦 3～4 欄，卡片等高、圖片 1:1 完整顯示不裁切 */
.build-grid{grid-template-columns:1fr;gap:16px}
@media(min-width:600px){.build-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1000px){.build-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(min-width:1280px){.build-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
.build-card{min-width:0}
.build-card a{display:flex;flex-direction:column;height:100%;border:1px solid var(--line);background:var(--panel);transition:border-color .2s,transform .2s}
.build-card a:hover{border-color:var(--red);color:var(--text)}
.build-card a:hover .build-more{color:var(--red)}
.build-media{aspect-ratio:1/1;background:#fff;overflow:hidden;border-bottom:1px solid var(--line)}
.build-media picture,.build-media img{display:block;width:100%;height:100%}
.build-media img{object-fit:contain}
.build-media .img-ph{font-size:22px}
.build-body{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1;gap:6px}
.build-size{margin:0;display:flex;flex-wrap:wrap;gap:6px 10px;font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--sand)}
.build-size span+span::before{content:"·";margin-right:10px;color:var(--muted)}
.build-body h2{font-size:24px;margin:2px 0 0;line-height:1.3}
.build-body h2 small{font-family:var(--mono);font-size:13px;color:var(--muted);letter-spacing:.08em;margin-left:4px}
.build-sum{margin:0;color:var(--muted);font-size:15px;line-height:1.65;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;min-height:calc(1.65em*3)}
.build-meta{margin-top:auto;padding-top:10px;display:flex;justify-content:space-between;align-items:baseline;gap:10px;border-top:1px solid var(--line)}
.build-price{font-size:18px}
.build-avail{font-size:13px}
.build-more{font-weight:700;color:var(--sand);font-size:15px;transition:color .2s}
@media(max-width:599px){.build-media{max-height:none}}
.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-note{margin-top:20px}
/* 聯絡卡片（v2.6）：四張結構一致——標題、說明、1:1 圖片、說明文字、按鈕；同一列以 subgrid 對齊，按鈕永遠在底部同一高度 */
.contact-grid{grid-template-columns:1fr;gap:16px}
@media(min-width:600px){.contact-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
/* 五張卡片（含 LINE 社群）：平板 3＋2，不留單獨一張 */
@media(min-width:768px) and (max-width:1099px){.contact-grid:has(>li:nth-child(5)){grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(min-width:600px) and (max-width:767px){.contact-grid>li:nth-child(5):last-child{grid-column:1/-1}}
@media(min-width:1100px){.contact-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.contact-grid:has(>li:nth-child(5)){grid-template-columns:repeat(5,minmax(0,1fr))}}
.contact-card{border:1px solid var(--line);padding:20px;background:var(--panel);display:grid;grid-template-rows:auto auto 1fr auto;gap:12px;min-width:0}
@supports(grid-template-rows:subgrid){.contact-card{grid-row:span 4;grid-template-rows:subgrid}}
.contact-card h2{margin:0;font-size:21px}
.contact-card p{margin:0;color:var(--muted)}
.contact-media{margin:0;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;gap:8px}
.contact-img{width:100%;max-width:280px;aspect-ratio:1/1;border-radius:10px;overflow:hidden;background:#fff}
.contact-img img{display:block;width:100%;height:100%;object-fit:contain}
.contact-line .contact-img,.contact-community .contact-img{padding:14px}
.contact-media figcaption{font-size:13px;color:var(--muted);text-align:center;min-height:1.5em}
.contact-addr{color:var(--text);font-size:15px;overflow-wrap:anywhere;user-select:all}
.contact-card .btn{align-self:end;overflow-wrap:anywhere;min-height:48px}
.btn-mail{background:#1e4f8a;border-color:#1e4f8a;color:#fff}
.btn-mail:hover{background:#2a64a8;border-color:#2a64a8}
.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)}
.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}

/* ---------- v2.8：首頁最上方 YouTube 影片（點擊才載入播放器） ---------- */
.home-video{margin-top:24px;margin-bottom:8px}
.video-frame{position:relative;aspect-ratio:16/9;width:min(100%,calc((100svh - var(--header-h) - 190px)*16/9));min-width:min(100%,560px);margin-inline:auto;background:#000;border:1px solid var(--line);overflow:hidden}
.video-meta{width:min(100%,calc((100svh - var(--header-h) - 190px)*16/9));min-width:min(100%,560px);margin-inline:auto}
.yt-lite{position:absolute;inset:0;display:block;cursor:pointer}
.yt-lite img{width:100%;height:100%;object-fit:cover;display:block;transition:filter .2s}
.yt-lite:hover img,.yt-lite:focus-visible img{filter:brightness(.85)}
.yt-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:76px;height:54px;filter:drop-shadow(0 4px 14px rgba(0,0,0,.5));transition:transform .2s}
.yt-play svg{width:100%;height:100%}
.yt-lite:hover .yt-play,.yt-lite:focus-visible .yt-play{transform:translate(-50%,-50%) scale(1.08)}
.yt-iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video-meta{display:flex;justify-content:space-between;align-items:flex-end;gap:16px 32px;flex-wrap:wrap;margin-top:16px}
.video-meta h2{margin:6px 0 4px;font-size:clamp(22px,3vw,30px)}
.video-meta p:not(.eyebrow){margin:0;color:var(--muted)}
.video-yt-link{color:var(--sand);font-weight:700;white-space:nowrap}
@media(max-width:599px){.home-video{margin-top:12px}.yt-play{width:64px;height:46px}}

/* ---------- 最新消息 Journal ---------- */
.journal-grid{list-style:none;margin:8px 0 0;padding:0;display:grid;gap:20px;grid-template-columns:minmax(0,1fr)}
@media(min-width:700px){.journal-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1100px){.journal-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.journal-card.is-lead{grid-column:1/-1}.journal-card.is-lead a{display:grid;grid-template-columns:minmax(0,3fr) minmax(0,2fr)}.journal-card.is-lead .journal-body{padding:32px}.journal-card.is-lead h2{font-size:30px}}
.journal-card a{display:flex;flex-direction:column;height:100%;background:var(--panel);border:1px solid var(--line);color:var(--text);text-decoration:none;transition:border-color .2s}
.journal-card a:hover{border-color:var(--red)}
.journal-card a:hover .build-more{color:var(--red)}
.journal-media{aspect-ratio:16/9;overflow:hidden;background:#000}
.journal-media img{width:100%;height:100%;object-fit:cover;display:block}
.journal-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.journal-body h2{margin:0;font-size:21px;line-height:1.4}
.journal-sum{margin:0;color:var(--muted);font-size:15px;line-height:1.7}
.journal-body .build-more{margin-top:auto;padding-top:6px;color:var(--sand);font-weight:700;font-size:14px}
.journal-meta{display:flex;flex-wrap:wrap;align-items:center;gap:6px 14px;margin:0;font-family:var(--mono);font-size:13px;letter-spacing:.06em;color:var(--muted)}
.journal-cat{color:var(--red)}
.journal-article{max-width:800px;padding-top:24px;padding-bottom:24px}
.journal-head h1{font-size:clamp(28px,5vw,42px);line-height:1.3;margin:10px 0 24px}
.journal-fig{margin:24px 0}
.journal-fig img{display:block;width:100%;height:auto;border:1px solid var(--line)}
.journal-cover{margin-top:0}
.journal-prose{font-size:17px;line-height:1.9}
.journal-prose p{margin:0 0 18px}
.journal-prose h2{font-size:clamp(21px,3vw,26px);line-height:1.4;margin:44px 0 14px;padding-left:12px;border-left:3px solid var(--red)}
.journal-prose h3{font-size:19px;margin:28px 0 10px}
.journal-prose ul{margin:0 0 18px;padding-left:1.3em}
.journal-prose li{margin:6px 0}
.journal-prose a{color:var(--sand);text-decoration:underline;text-underline-offset:3px}
.journal-prose strong{color:#fff}
.journal-prose .callout p{margin:0;font-size:15px}
.journal-video{position:relative;aspect-ratio:16/9;margin:24px 0;background:#000}
.journal-video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.journal-related{border-top:1px solid var(--line);margin-top:40px;padding-top:24px}
.journal-related .actions{margin-top:12px}
.journal-back{margin:28px 0 0}
.journal-back a{color:var(--muted)}
@media(max-width:599px){.journal-prose{font-size:16px}.journal-fig img[src*="mobile"]{max-width:320px;margin-inline:auto}}
.journal-fig img[src*="mobile"]{max-width:380px;margin-inline:auto}

/* ---------- v2.9：商品說明小標／清單、購買與使用須知 ---------- */
.pd .prose h3{font-size:17px;margin:22px 0 6px;color:var(--text)}
.pd .prose h3:first-child{margin-top:0}
.pd .prose ul{margin:6px 0 12px;padding-left:20px}
.pd .prose li{margin:3px 0}
.pd-notices .notice-box{border:1px solid var(--line);background:var(--panel);padding:16px 18px;margin-top:12px}
.pd-notices .notice-box h3{font-size:16px;margin:0 0 8px}
.pd-notices .notes{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
.pd-notices .notes li+li{margin-top:6px}

/* ---------- Logo 與 Header（V2）---------- */
.brand-logo{display:block;height:46px;width:auto}
.site-footer .brand-logo{height:52px}
.nav-line{display:none;min-height:44px;padding:0 16px}
@media(min-width:1180px){.nav-line{display:inline-flex}}
@media(max-width:720px){.brand-logo{height:38px}}

/* ---------- 首頁 V2：工作台＋規格標籤 ---------- */
.home{--sand-ink:#1a1712;--sand-v2:#c9b58c;--sand-line:#5e5440;--lab:#6cc4ff}
.h2-eyebrow{margin:0;font-family:var(--mono);font-size:13px;letter-spacing:.14em;color:var(--sand-v2)}
.h2-sec{padding-top:88px}
.h2-sec h2{font-size:clamp(26px,3vw,34px);line-height:1.25;font-weight:900;margin:0}
.h2-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:24px}
.h2-head .h2-eyebrow{margin-bottom:8px}
.h2-more{color:var(--red);font-weight:700;font-size:15px;white-space:nowrap}
.h2-more:hover{color:var(--text)}
.h2-num{font-family:var(--mono);color:var(--red);font-size:13px;padding-top:3px}

.h2-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,560px);gap:56px;align-items:center;padding-top:56px}
.h2-hero-text{display:flex;flex-direction:column;gap:22px}
.h2-hero h1{margin:0;font-size:clamp(38px,4.6vw,60px);line-height:1.12;font-weight:900;letter-spacing:-.01em}
.h2-lead{margin:0;font-size:18px;line-height:1.8;color:#c4c5c8;max-width:34em}
.h2-hero .actions{display:flex;gap:12px;flex-wrap:wrap}
.h2-btn-line{border-color:var(--line-green);color:#6ee6a0}
.h2-btn-line:hover{background:var(--line-green);border-color:var(--line-green);color:#04140a}
.h2-search{display:flex;max-width:520px;border:1px solid #3a3d42;background:var(--panel)}
.h2-search input{flex:1;min-width:0;height:50px;padding:0 16px;background:transparent;border:0;font-size:15px}
.h2-search button{height:50px;padding:0 18px;background:#2a2d32;border:0;font-weight:700;cursor:pointer}
.h2-search button:hover{background:var(--text);color:var(--red-ink)}
.h2-hero-pic{position:relative;display:block}
.h2-hero-pic img{width:100%;aspect-ratio:1/1;object-fit:cover}
/* 海報是紫黑色調：規格標籤用半透明黑底＋白字，左側品牌紅線，不搶海報顏色 */
.spec-tag{position:absolute;left:0;bottom:0;display:flex;flex-wrap:wrap;font-family:var(--mono);font-size:13px;font-weight:600;background:rgba(10,10,12,.78);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);color:#f3f2ee;border-left:3px solid var(--red);max-width:100%;letter-spacing:.04em}
.spec-tag>span{padding:9px 14px}

.h2-doors-sec{padding-top:48px}
.h2-doors{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.h2-door{display:flex;flex-direction:column;gap:10px;height:100%;min-height:150px;padding:22px;border:1px solid var(--line);background:var(--panel);transition:border-color .2s}
.h2-door:hover{color:var(--text);border-color:var(--red)}
.h2-door strong{font-size:20px}
.h2-door-k{font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:#a9aaad}
.h2-door-d{font-size:14px;color:var(--muted);line-height:1.6}
.h2-door-c{margin-top:auto;color:var(--red);font-size:14px;font-weight:700}
.h2-door.door-sand{border-color:var(--sand-line);background:#1c1a15}
.h2-door.door-sand:hover{border-color:var(--sand-v2)}
.h2-door.door-sand .h2-door-k,.h2-door.door-sand .h2-door-c{color:var(--sand-v2)}
.h2-door.door-lab{border-color:#24465e;background:#121b22}
.h2-door.door-lab:hover{border-color:var(--lab)}
.h2-door.door-lab .h2-door-k,.h2-door.door-lab .h2-door-c{color:var(--lab)}

.h2-builds{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.h2-build{display:flex;flex-direction:column;height:100%;background:#eceae5;color:#16171a}
.h2-build:hover{color:#16171a}
.h2-build-img{display:block;padding:12px 20px 0}
.h2-build-img img{width:100%;aspect-ratio:4/3;object-fit:contain;mix-blend-mode:multiply;transition:transform .3s}
.h2-build:hover .h2-build-img img{transform:scale(1.03)}
.h2-build-body{display:flex;flex-direction:column;gap:8px;padding:16px 20px 20px;border-top:1px solid #d3d0c8;flex:1}
.h2-build-name{display:flex;align-items:baseline;gap:10px}
.h2-build-name strong{font-size:24px;font-weight:900}
.h2-build-name span{font-size:14px;color:#55565b;letter-spacing:.08em;font-weight:700}
.h2-build-spec{font-family:var(--mono);font-size:13px;color:#33343a}
.h2-build-tag{font-size:14px;color:#55565b}
.h2-build-foot{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:4px}
.h2-price{font-family:var(--mono);font-size:15px;font-weight:700}
.h2-build-go{font-size:14px;font-weight:700;color:#b3140c}
.h2-others{margin:18px 0 0;font-size:14px;color:var(--muted)}
.h2-others a{color:var(--text);text-decoration:none}
.h2-others a:hover{color:var(--red)}

.h2-batt-band{background:#17160f;border-block:1px solid var(--sand-line)}
.h2-batt{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:40px;align-items:center;padding-block:56px}
.h2-batt-text{display:flex;flex-direction:column;gap:16px}
.h2-batt-text>p:not(.h2-eyebrow){margin:0;color:#c4c5c8;line-height:1.8}
.h2-batt-text .actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:4px}
.h2-btn-sand{background:var(--sand-v2);border-color:var(--sand-v2);color:var(--sand-ink)}
.h2-btn-sand-o{border-color:var(--sand-line);color:#e3d6ba}
.h2-btn-sand:hover,.h2-btn-sand-o:hover{background:#e3d6ba;border-color:#e3d6ba;color:var(--sand-ink)}
.h2-batt-pics{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.h2-batt-pics a{display:flex;flex-direction:column;height:100%;background:#f3f1ec;color:var(--sand-ink)}
.h2-batt-pics a:hover{color:var(--sand-ink);outline:2px solid var(--sand-v2)}
.h2-batt-pics img{width:100%;aspect-ratio:1/1;object-fit:cover}
.h2-batt-pics span{padding:12px 14px;font-size:14px;font-weight:700;line-height:1.5}

.h2-work{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);border:1px solid var(--line);background:var(--panel)}
.h2-work-img{width:100%;height:100%;min-height:300px;object-fit:cover}
.h2-work-text{padding:40px;display:flex;flex-direction:column;gap:18px}
.h2-work-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.h2-work-list li{display:flex;gap:16px;padding:14px 0;border-bottom:1px solid var(--line)}
.h2-work-list a{font-weight:700;font-size:17px}
.h2-work-list p{margin:4px 0 0;font-size:14px;color:var(--muted);line-height:1.6}
.h2-video{display:flex;align-items:center;gap:18px;margin-top:16px;padding:14px;border:1px solid var(--line);background:var(--panel)}
.h2-video:hover{color:var(--text);border-color:var(--red)}
.h2-video-thumb{position:relative;flex-shrink:0;width:160px}
.h2-video-thumb img{width:160px;aspect-ratio:16/9;object-fit:cover}
.h2-play{position:absolute;left:50%;top:50%;width:40px;height:40px;margin:-20px 0 0 -20px;background:#d3170e;display:flex;align-items:center;justify-content:center}
.h2-video-text{display:flex;flex-direction:column;gap:4px}
.h2-video-text strong{font-size:17px}
.h2-video-k{font-family:var(--mono);font-size:12px;color:#a9aaad;letter-spacing:.08em}
.h2-video-d{font-size:14px;color:var(--muted)}

.h2-learn{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.h2-card{display:flex;flex-direction:column;height:100%;border:1px solid var(--line);background:var(--panel)}
.h2-card:hover{color:var(--text);border-color:var(--red)}
.h2-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.h2-card-body{display:flex;flex-direction:column;gap:6px;padding:16px 18px 20px}
.h2-card-body strong{font-size:18px;line-height:1.5}
.h2-card-k{font-family:var(--mono);font-size:12px;color:#a9aaad}
.h2-card-d{font-size:14px;color:var(--muted);line-height:1.7}
.h2-card-kb{justify-content:space-between;padding-bottom:22px}
.h2-card-kb .h2-card-body{padding:24px 24px 0;gap:8px}
.h2-card-kb strong{font-size:20px}
.h2-card-kb .h2-more{padding:0 24px}

.h2-brands{display:flex;align-items:center;gap:28px;flex-wrap:wrap;padding:22px 0;border-block:1px solid var(--line)}
.home .h2-brands h2{font-size:14px;font-weight:700;color:var(--muted);letter-spacing:0}
.h2-brands ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;align-items:center;gap:20px 32px}
.h2-brands img{height:26px;width:auto;opacity:.75;transition:opacity .2s}
.h2-brands img.b-fdi{height:34px}
.h2-brands a:hover img,.h2-brands a:focus-visible img{opacity:1}

@media(max-width:1000px){
  .h2-hero{gap:36px}
  .h2-doors{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:760px){
  .h2-sec{padding-top:64px}
  .h2-hero{grid-template-columns:minmax(0,1fr);gap:28px;padding-top:24px}
  .h2-hero-pic{order:-1}
  .h2-lead{font-size:16px}
  .h2-doors{gap:10px}
  .h2-door{padding:16px;min-height:0}
  .h2-door strong{font-size:18px}
  .h2-builds{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:12px;padding-bottom:6px}
  .h2-builds>li{flex:0 0 78%;scroll-snap-align:start}
  .h2-batt{grid-template-columns:minmax(0,1fr);gap:22px;padding-block:40px}
  .h2-work{grid-template-columns:minmax(0,1fr)}
  .h2-work-img{min-height:0;aspect-ratio:16/9}
  .h2-work-text{padding:24px 20px}
  .h2-video-d{display:none}
  .h2-video-thumb,.h2-video-thumb img{width:120px}
  .h2-learn{grid-template-columns:minmax(0,1fr)}
  .h2-brands{gap:16px}
  .h2-brands img{height:22px}
}
.h2-hero h1.h2-slogan{letter-spacing:-.02em;font-style:italic}

/* 手機：輸入框字體至少 16px，避免點擊時瀏覽器自動放大頁面（放大後右側會被切掉） */
@media(max-width:1024px){input,select,textarea{font-size:16px!important}}

/* ---------- 組裝動畫（assets/js/pack-anim.js，靈雀外場電包 4S3P） ---------- */
.pa-section{margin-top:56px;padding-top:40px;border-top:1px solid var(--line)}
.pa{display:grid;grid-template-columns:minmax(0,400px) minmax(0,1fr);gap:48px;align-items:center}
.pa-stage{position:relative;container-type:inline-size;width:100%;aspect-ratio:9/16;max-width:100%;overflow:hidden;background:#0a0b0d;border:1px solid var(--line);cursor:pointer;-webkit-tap-highlight-color:transparent}
.pa-poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:opacity .4s}
.pa-live .pa-poster{opacity:0;pointer-events:none}
.pa-canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.pa-play{position:absolute;left:50%;bottom:22%;transform:translateX(-50%);display:none;min-height:46px;padding:10px 22px;border:1px solid var(--sand);background:rgba(10,11,13,.85);color:var(--text);font-weight:700;font-size:15px;cursor:pointer;border-radius:var(--radius)}
.pa-manual .pa-play{display:inline-flex}
.pa-static .pa-play,.pa-static .pa-ctrl{display:none}
.pa-side{min-width:0}
.pa-side h2{margin:6px 0 8px;font-size:clamp(24px,3vw,32px)}
.pa-steps{list-style:none;margin:20px 0 0;padding:0;display:grid;gap:6px}
.pa-steps button{width:100%;display:grid;grid-template-columns:44px 1fr;gap:12px;align-items:start;text-align:left;padding:12px 14px;border:1px solid transparent;border-left:2px solid var(--line);background:transparent;cursor:pointer;color:var(--text);transition:background .25s,border-color .25s}
.pa-steps button:hover{background:var(--panel)}
.pa-steps .is-active button,.pa-steps li.is-active button{background:var(--panel);border-left-color:var(--red)}
.pa-steps li.is-active .pa-n{color:var(--red)}
.pa-n{font-family:var(--mono);color:var(--muted);font-size:14px;letter-spacing:.08em;padding-top:2px}
.pa-steps strong{display:block;font-size:16px}
.pa-steps strong+span{display:block;color:var(--muted);font-size:14px;line-height:1.6}
.pa-ctrl{margin-top:16px}
.pa-ctrl .btn{min-height:40px;padding:8px 16px;font-size:14px}
.pa-hud{position:absolute;inset:0;pointer-events:none;display:flex;flex-direction:column;justify-content:space-between;padding:6.5cqw 6cqw 5cqw;color:#ede8de}
.pa-row{display:flex;justify-content:space-between;align-items:baseline;font-family:var(--mono);font-weight:700;letter-spacing:.14em;font-size:3.1cqw}
.pa-idx{color:#7f7a70}.pa-idx b{color:var(--red)}
.pa-prog{position:relative;height:1px;background:#3a3c42;margin-top:1.8cqw}
.pa-prog i{position:absolute;left:0;top:-1px;height:3px;width:0;background:var(--red)}
.pa-title{margin-top:3cqw;font-family:"Arial Black",Arial,sans-serif;font-weight:900;font-size:9.6cqw;line-height:1;letter-spacing:-.02em;white-space:nowrap}
.pa-title.pa-long{font-size:7.4cqw}
.pa-zh{font-family:var(--font);font-weight:900;font-size:6.2cqw;margin-top:1.6cqw;letter-spacing:.06em;line-height:1.3}
.pa-sub{font-family:var(--mono);font-weight:700;font-size:3.2cqw;letter-spacing:.08em;margin-top:1.2cqw}
.pa-ruler{height:2.2cqw;margin-top:3.2cqw;opacity:.7;background:repeating-linear-gradient(90deg,#5b5d63 0 1px,transparent 1px 1.6cqw) bottom/100% 45% no-repeat,repeating-linear-gradient(90deg,#8a8c92 0 1px,transparent 1px 8cqw) bottom/100% 100% no-repeat}
.pa-meta{display:flex;justify-content:space-between;gap:3cqw;margin-top:1.6cqw;font-family:var(--mono);font-size:2.6cqw;letter-spacing:.06em;color:#8f8a80}
.pa-live{color:var(--red);font-weight:700;white-space:nowrap;font-variant-numeric:tabular-nums}
.pa-swap.go{animation:paReveal .45s cubic-bezier(.2,.8,.2,1) both}
@keyframes paReveal{0%{clip-path:inset(0 100% 0 0);transform:translateX(-2cqw);text-shadow:.8cqw 0 var(--red),-.8cqw 0 #3b6cff}55%{clip-path:inset(0 0 0 0);text-shadow:.4cqw 0 var(--red),-.4cqw 0 #3b6cff}100%{clip-path:inset(0 0 0 0);transform:none;text-shadow:none}}
.pa-bottom{display:flex;flex-direction:column;gap:2.2cqw}
.pa-specs{display:grid;grid-template-columns:1fr 1fr 1.4fr 1fr;gap:1.2cqw;opacity:0;transform:translateY(2cqw);transition:opacity .5s,transform .5s}
.pa-specs.on{opacity:1;transform:none}
.pa-specs>div{background:rgba(10,11,13,.75);border-top:2px solid var(--sand);padding:1.6cqw;display:flex;flex-direction:column;gap:.6cqw;min-width:0}
.pa-specs span{font-size:2.3cqw;color:var(--sand);letter-spacing:.08em}
.pa-specs strong{font-family:"Arial Black",Arial,sans-serif;font-weight:900;font-size:4.4cqw;line-height:1;white-space:nowrap;font-variant-numeric:tabular-nums}
.pa-specs small{font-size:.55em;margin-left:.15em}
.pa-formula{font-family:var(--mono);font-size:2.6cqw;color:#7f7a70;display:flex;flex-direction:column;gap:.8cqw}
.pa-formula div{opacity:0;transition:opacity .4s}.pa-formula div.on{opacity:1}
.pa-formula em{font-style:normal;color:#ede8de}
.pa-hazard{height:2.4cqw;background:repeating-linear-gradient(-45deg,#8e7d57 0 1.6cqw,#0a0b0d 1.6cqw 3.2cqw)}
.pa-foot{display:flex;align-items:center;gap:2cqw;font-family:var(--mono);font-size:2.6cqw;letter-spacing:.14em;color:#8f8a80}
.pa-foot img{width:14cqw;height:auto}
.pa-foot span:first-of-type{color:#ede8de;font-weight:700}
.pa-foot-r{margin-left:auto}
.pa-fade{position:absolute;inset:0;background:#0a0b0d;pointer-events:none;opacity:0}
.pa-paused .pa-stage::after{content:"PAUSED";position:absolute;right:4cqw;top:50%;font-family:var(--mono);font-size:3cqw;letter-spacing:.2em;color:var(--sand)}
@media (max-width:900px){.pa{grid-template-columns:1fr;gap:28px}.pa-stage{width:min(100%,380px);margin-inline:auto}}
@media (prefers-reduced-motion:reduce){.pa-swap.go{animation:none}}

/* ---------- 故障排除中心 /help/ ---------- */
.help-search input{width:100%;max-width:640px;height:52px;padding:0 16px;background:var(--panel);border:1px solid var(--line);font-size:16px}
.help-index{display:flex;flex-direction:column;gap:40px;padding-bottom:24px}
.help-group h2{font-size:20px;margin:0 0 14px}
.help-cards{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,320px),1fr));gap:12px}
.help-cards a{display:flex;flex-direction:column;gap:8px;height:100%;padding:20px;border:1px solid var(--line);background:var(--panel)}
.help-cards a:hover{color:var(--text);border-color:var(--red)}
.help-cards strong{font-size:18px;line-height:1.5}
.help-card-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.help-card-sum{font-size:14px;color:var(--muted);line-height:1.7}
.help-cards .more{margin-top:auto;color:var(--red);font-weight:700;font-size:14px}
.help-pill{display:inline-block;font-family:var(--mono);font-size:12px;line-height:1.6;padding:1px 8px;border:1px solid var(--line);color:var(--muted)}
.help-pill.is-new{border-color:var(--ok);color:var(--ok)}
.help-empty{color:var(--muted)}
.help-legacy{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:22px;border:1px dashed var(--line)}
.help-legacy h2{font-size:18px;margin:0 0 4px}.help-legacy p{margin:0;color:var(--muted);font-size:14px}

.help-article{padding-bottom:24px}
.help-head{margin:8px 0 28px}
.help-verify{margin:0 0 16px;padding:8px 12px;border-left:3px solid var(--muted);background:var(--panel);font-size:14px;color:var(--muted);max-width:680px}
.help-verify a{color:inherit;text-decoration:underline}
.help-head h1{font-size:clamp(28px,4vw,42px);line-height:1.3;font-weight:900;margin:0 0 12px;text-wrap:balance}
.help-head .lead{max-width:40em;font-size:18px;color:#d9d8d4;margin:0}
.help-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:48px;align-items:start}
.help-main{display:flex;flex-direction:column;gap:28px;min-width:0}
.help-main h2{font-size:22px;margin:16px 0 0;scroll-margin-top:calc(var(--header-h) + 16px)}
.help-main h3{font-size:18px;margin:0}
.help-main p{margin:0}
.help-main code{font-family:var(--mono);font-size:.92em;background:var(--panel-2);padding:1px 6px}
.help-aside{position:sticky;top:calc(var(--header-h) + 16px);display:flex;flex-direction:column;gap:12px}
.help-meta{margin:0;padding:18px;border:1px solid var(--line);background:var(--panel);display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:14px}
.help-meta dt{color:var(--muted)}.help-meta dd{margin:0}
.help-toc{padding:18px;border:1px solid var(--line);background:var(--panel);font-size:14px}
.help-toc p{margin:0 0 6px;font-weight:700}.help-toc ol{margin:0;padding-left:20px}.help-toc a{color:var(--muted)}.help-toc a:hover{color:var(--red)}
.help-box{padding:16px 20px;display:flex;flex-direction:column;gap:6px}
.help-box-t{font-weight:700}
.help-safety{border-left:3px solid var(--warn);background:#221f14}
.help-stop{border-left:3px solid #ff6b5e;background:#2a1614}
.help-stop .help-box-t{color:#ff8a7f}
.help-steps{list-style:none;margin:0;padding:0;counter-reset:hs;display:flex;flex-direction:column;gap:18px}
.help-steps>li{counter-increment:hs;display:grid;grid-template-columns:36px minmax(0,1fr);gap:12px}
.help-steps>li::before{content:counter(hs);display:grid;place-items:center;width:32px;height:32px;background:var(--red);color:var(--red-ink);font-family:var(--mono);font-weight:700}
.help-step-t{font-weight:700;font-size:17px}
.help-step-sub{margin:6px 0 0;padding-left:1.1em;color:#d9d8d4;display:grid;gap:4px;min-width:0}.help-step-sub li{min-width:0;overflow-wrap:anywhere}.help-steps p+p{margin-top:4px;color:#d9d8d4}
.help-table{overflow-x:auto;border:1px solid var(--line)}
.help-table table{border-collapse:collapse;width:100%;min-width:560px;font-size:15px}
.help-table th,.help-table td{text-align:left;vertical-align:top;padding:10px 14px;border-bottom:1px solid var(--line)}
.help-table th{font-size:13px;font-weight:500;color:var(--muted);background:var(--panel)}
.help-table tr:last-child td{border-bottom:0}
.help-table td:first-child{font-weight:700}
.help-adv{border:1px solid var(--line);background:var(--panel)}
.help-adv summary{cursor:pointer;padding:14px 18px;font-weight:700}
.help-adv>div{padding:0 18px 16px;display:flex;flex-direction:column;gap:10px;color:#d9d8d4}
.help-tool{border:1px solid #24465e;background:#121b22;padding:20px;display:flex;flex-direction:column;gap:12px}
.help-tool-k{font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:#6cc4ff}
.help-tool-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.help-tool-l{font-size:14px;color:var(--muted)}
.help-tool input[type=search]{width:100%;height:46px;padding:0 12px;background:var(--panel);border:1px solid var(--line);font-size:16px}
.seg{display:inline-flex;border:1px solid var(--line)}
.seg button{background:transparent;border:0;color:var(--muted);padding:6px 14px;cursor:pointer;font-size:14px;min-height:36px}
.seg button[aria-pressed="true"]{background:#6cc4ff;color:#08131b;font-weight:700}
.flag-list{display:flex;flex-wrap:wrap;gap:8px}
.flag-list button{font-family:var(--mono);font-size:13px;background:var(--panel);border:1px solid var(--line);color:var(--text);padding:6px 10px;cursor:pointer;min-height:36px}
.flag-list button.is-muted{color:var(--muted)}
.flag-list button[aria-pressed="true"]{border-color:#6cc4ff;background:#16303f;color:var(--text)}
.flag-answer{border-top:1px solid #24465e;padding-top:14px;min-height:110px}
.flag-name{font-family:var(--mono);font-size:20px;font-weight:700;display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.flag-tag{font-family:var(--font);font-size:12px;font-weight:700;padding:1px 8px;border:1px solid}
.flag-tag.is-ok{color:var(--ok)}.flag-tag.is-adv{color:var(--warn)}.flag-tag.is-stop{color:#ff8a7f}
.flag-answer dl{display:grid;grid-template-columns:5.5em minmax(0,1fr);gap:6px 12px;margin:10px 0 0}
.flag-answer dt{color:var(--muted)}.flag-answer dd{margin:0}
.flag-answer dd.is-stop{color:#ff8a7f;font-weight:700}
.screens{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.screen{display:flex;flex-direction:column;border:1px solid var(--line);background:var(--panel)}
.screen:hover{color:var(--text);border-color:var(--red)}
.screen[aria-pressed="true"]{border-color:var(--red);outline:2px solid var(--red)}
.scr{position:relative;display:block;width:100%;aspect-ratio:4/3;background:#000;overflow:hidden}
.scr canvas{display:block;width:100%;height:100%}
.osd{position:absolute;inset:8px;font-family:var(--mono);font-size:11px;color:#fff;display:flex;justify-content:space-between;align-items:flex-end}
.osd .tl{position:absolute;top:0;left:0}.osd .tr{position:absolute;top:0;right:0}
.screen .cap{padding:10px 12px;font-weight:700;font-size:15px}
.screen .cap small{display:block;font-weight:400;font-size:13px;color:var(--muted)}
.help-note{font-size:13px}
.picks{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,220px),1fr));gap:10px}
.pick{display:flex;gap:12px;align-items:center;padding:12px 14px;border:1px solid var(--line);background:var(--panel);font-weight:700;font-size:15px;line-height:1.5}
.pick:hover{color:var(--text);border-color:var(--red)}
.pick[aria-pressed="true"]{border-color:var(--red);outline:2px solid var(--red)}
.pick-k{flex-shrink:0;display:grid;place-items:center;width:28px;height:28px;background:#6cc4ff;color:#08131b;font-family:var(--mono)}
.help-case{border:1px solid var(--line);background:var(--panel);padding:20px;display:flex;flex-direction:column;gap:16px;scroll-margin-top:calc(var(--header-h) + 16px)}
.help-showall{align-self:flex-start;background:transparent;border:1px solid var(--line);color:var(--text);padding:8px 14px;cursor:pointer;font-weight:700}
.help-checks ul{list-style:none;margin:14px 0 0;padding:0;display:flex;flex-direction:column;gap:10px}
.help-checks label{display:flex;gap:12px;align-items:flex-start;cursor:pointer}
.help-checks input{width:20px;height:20px;margin-top:5px;flex-shrink:0;accent-color:var(--ok)}
.help-checks input:checked+span{color:var(--muted);text-decoration:line-through}
.help-done{margin-top:12px!important;color:var(--ok);font-weight:700}
.help-more{border:1px solid var(--line);background:var(--panel-2);padding:22px;display:flex;flex-direction:column;gap:12px}
.help-more h2{margin:0}
.help-more ul{margin:0;padding-left:20px;color:#d9d8d4}
.help-repair{display:flex;flex-direction:column;gap:2px;max-width:360px;padding:16px;border:1px solid var(--line);background:var(--panel)}
.help-repair:hover{color:var(--text);border-color:var(--red)}
.help-repair strong{font-size:17px}.help-repair span{font-size:14px;color:var(--muted)}
.help-sources h2{font-size:16px;color:var(--muted)}
.help-sources ul{margin:8px 0 0;padding-left:20px;font-size:14px}
.help-sources a{color:var(--muted);text-decoration:underline;text-underline-offset:3px}
.help-fig{margin:18px 0}.help-fig a{display:block;border:1px solid rgba(255,255,255,.12);border-radius:6px;overflow:hidden}.help-fig img{display:block;width:100%;height:auto}.help-fig picture{display:block}.help-fig figcaption{font-size:15px;line-height:1.65;color:var(--text);margin-top:10px}.help-fig-title{display:block;font-weight:700;margin-bottom:6px}.help-fig-marks{list-style:none;margin:0;padding:0;display:grid;gap:6px}.help-fig-marks li{display:flex;gap:10px;align-items:flex-start}.help-fig-n{flex:none;display:inline-grid;place-items:center;width:24px;height:24px;margin-top:1px;border-radius:50%;background:var(--red);color:var(--red-ink);font-weight:700;font-size:14px;line-height:1}.help-fig-note{margin:8px 0 0;font-size:14px;color:var(--muted)}.help-fig-zoom{display:block;font-size:13px;color:var(--muted);margin-top:6px}
@media(max-width:900px){
  .help-layout{grid-template-columns:minmax(0,1fr);gap:24px}
  .help-aside{position:static;order:-1}
  .help-toc{display:none}
}
@media(max-width:560px){
  .screens{grid-template-columns:minmax(0,1fr)}
  .screen{flex-direction:row;align-items:center}
  .scr{width:120px;flex-shrink:0}
  .help-head .lead{font-size:16px}
  .help-case{padding:16px}
  /* 手機：表格改成一列一張卡片，不用左右滑 */
  .help-table{border:0;overflow:visible}
  .help-table table{min-width:0}
  .help-table thead{display:none}
  .help-table tr{display:block;border:1px solid var(--line);margin-bottom:10px;background:var(--panel)}
  .help-table td{display:block;border:0;padding:8px 14px}
  .help-table td:first-child{background:var(--panel-2);font-size:16px}
  .help-table td:not(:first-child)::before{content:attr(data-label);display:block;font-size:12px;color:var(--muted)}
}

/* 故障排除中心 第二版：常見狀況優先、文章先看到問題與結論 */
.help-index-head .help-search{margin-top:20px}
.help-index h2{font-size:20px;margin:0 0 14px}
.help-symptoms ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr));gap:10px}
.help-symptoms a{display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:56px;padding:12px 16px;border:1px solid var(--line);background:var(--panel);font-weight:700;font-size:16px;line-height:1.5}
.help-symptoms a:hover{color:var(--text);border-color:var(--red)}
.help-symptoms a span{color:var(--red)}
.help-all{display:flex;flex-direction:column;gap:24px}
.help-group h3{font-size:18px;color:var(--red);margin:8px 0 10px;font-weight:800;letter-spacing:.02em;padding-left:12px;border-left:4px solid var(--red);line-height:1.3}
.help-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.help-list li{border-bottom:1px solid var(--line)}
.help-list a{display:flex;flex-direction:column;gap:2px;padding:12px 4px}
.help-list a:hover strong{color:var(--red)}
.help-list strong{font-size:16px;line-height:1.5}
.help-list span{font-size:14px;color:var(--muted);line-height:1.6}
.help-start{margin-top:16px}
.help-head .lead{margin-bottom:0}
.help-scope{border:1px solid var(--line);background:var(--panel)}
.help-scope summary{cursor:pointer;padding:12px 16px;font-weight:700;font-size:15px}
.help-scope .help-meta{border:0;border-top:1px solid var(--line)}
.help-layout{grid-template-columns:minmax(0,1fr) 240px}
@media(max-width:900px){.help-layout{grid-template-columns:minmax(0,1fr)}.help-aside{display:none}}
@media(max-width:560px){.help-head h1{font-size:26px}.help-start{width:100%}}
.help-main code{overflow-wrap:anywhere;word-break:break-word}
.help-check-case{display:inline-block;font-size:12px;font-weight:700;color:var(--red-ink);background:var(--red);padding:0 6px;margin-right:6px;border-radius:3px}.help-check-note{font-size:14px;color:var(--muted);margin:0 0 8px}