/* Inkjet Sign */
:root{--brand:#1a7f3c;--brand-dark:#0f5c2a;--accent:#e85d04;--accent-dark:#c44d03;--bg:#f5faf6;--card:#fff;--text:#1a1a1a;--muted:#5c6b7a;--line:#e2e8f0;--radius:12px;--shadow:0 8px 24px rgba(15,23,42,.08);--max:1180px;--font:"Segoe UI","PingFang HK","Noto Sans TC","Microsoft JhengHei",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.6}a{color:var(--brand);text-decoration:none}a:hover{color:var(--accent)}img{max-width:100%;display:block}
.container{width:min(100% - 2rem,var(--max));margin-inline:auto}
.ph{background:repeating-linear-gradient(-45deg,#e7f2ea,#e7f2ea 10px,#d9ebe0 10px,#d9ebe0 20px);color:#64748b;display:flex;align-items:center;justify-content:center;text-align:center;font-size:.85rem;border:1px dashed #94a3b8;border-radius:8px;min-height:120px;padding:1rem}
.ph--hero{min-height:320px;border-radius:var(--radius)}.ph--logo{width:160px;height:56px;min-height:56px;font-size:.75rem}.logo-link{flex-shrink:0;display:inline-flex;align-items:center}.logo-img{height:52px;width:auto;max-width:min(220px,42vw);display:block;object-fit:contain}.ph--thumb{aspect-ratio:1;min-height:0;width:100%}.ph--icon{width:72px;height:72px;min-height:72px;margin-inline:auto;border-radius:50%}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;background:var(--accent);color:#fff;border:none;border-radius:999px;padding:.7rem 1.25rem;font-weight:600;cursor:pointer}.btn:hover{background:var(--accent-dark);color:#fff}.btn--ghost{background:#fff;color:var(--brand);border:1px solid var(--brand)}.btn--accent{background:var(--accent)}.btn--accent:hover{background:var(--accent-dark);color:#fff}.btn--sm{padding:.45rem .9rem;font-size:.9rem}
.topbar{background:var(--brand-dark);color:#fff;font-size:.85rem;padding:.35rem 0}.topbar .container{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}.topbar a{color:#fff}
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}.header-row{display:flex;align-items:center;gap:1.25rem;padding:.75rem 0}.nav{display:flex;align-items:center;gap:.25rem;flex:1;flex-wrap:wrap}.nav>a,.nav summary{padding:.5rem .75rem;border-radius:8px;color:var(--text);font-weight:600;cursor:pointer;list-style:none}.nav>a:hover,.nav details[open]>summary{background:var(--bg);color:var(--brand)}.nav details{position:relative}.nav details ul{position:absolute;left:0;top:calc(100% + 4px);background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);min-width:240px;padding:.5rem;margin:0;list-style:none;z-index:20}.nav details ul a{display:block;padding:.5rem .75rem;border-radius:8px;color:var(--text)}.nav details ul a:hover{background:var(--bg)}.header-actions{display:flex;gap:.5rem;align-items:center}.search{display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;background:#fff}.search input{border:0;padding:.55rem .9rem;min-width:140px;outline:none}.menu-toggle{display:none;background:var(--brand);color:#fff;border:0;border-radius:8px;padding:.5rem .75rem}
.hero{padding:1.5rem 0 0}.hero-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:1rem}.hero-card{background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.hero-copy{padding:1.25rem 1.5rem 1.5rem}.hero-copy h1{margin:.2rem 0 .5rem;font-size:clamp(1.6rem,3vw,2.2rem);line-height:1.25}.hero-copy p{color:var(--muted);margin:0 0 1rem}.badge{display:inline-block;background:#fff0e6;color:var(--accent);font-size:.75rem;font-weight:700;padding:.25rem .6rem;border-radius:999px}
.section{padding:2.25rem 0}.section h2{margin:0 0 1rem;font-size:1.45rem}.section-head{display:flex;justify-content:space-between;align-items:end;gap:1rem;margin-bottom:1rem;flex-wrap:wrap}.muted{color:var(--muted)}
.cat-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:.75rem}.cat-card{background:var(--card);border-radius:var(--radius);padding:1rem .75rem;text-align:center;box-shadow:var(--shadow)}.cat-card span{display:block;margin-top:.6rem;font-weight:600;font-size:.9rem;color:var(--text)}
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}.prod-card{background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}.prod-card .body{padding:1rem;display:flex;flex-direction:column;gap:.5rem;flex:1}.prod-card h3{margin:0;font-size:1rem}.price{font-weight:700;color:var(--accent)}.prod-card .actions{margin-top:auto;display:flex;gap:.4rem;flex-wrap:wrap}
.promo{display:grid;grid-template-columns:1fr 1.2fr;gap:1rem;align-items:center;background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.promo .copy{padding:1.5rem}
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.value{background:var(--card);padding:1.25rem;border-radius:var(--radius);box-shadow:var(--shadow)}.value h3{margin:.6rem 0 .4rem;font-size:1.05rem}
.trust{display:grid;grid-template-columns:repeat(4,1fr);gap:.75rem}.trust-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1rem;text-align:center}.trust-item strong{display:block;margin-top:.5rem}
.contact-box{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem;background:var(--card);padding:1.5rem;border-radius:var(--radius);box-shadow:var(--shadow)}form.stack{display:grid;gap:.75rem}form.stack label{display:grid;gap:.35rem;font-weight:600;font-size:.9rem}form.stack input,form.stack textarea{border:1px solid var(--line);border-radius:8px;padding:.65rem .75rem;font:inherit}
.site-footer{background:#0f172a;color:#e2e8f0;padding:2.5rem 0 1.5rem;margin-top:2rem}.site-footer a{color:#86efac}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:1.5rem}.site-footer h4{margin:0 0 .75rem;color:#fff}.foot-bottom{border-top:1px solid #334155;margin-top:1.5rem;padding-top:1rem;font-size:.85rem;color:#94a3b8}
@media (max-width:980px){.hero-grid,.promo,.contact-box,.footer-grid{grid-template-columns:1fr}.cat-grid{grid-template-columns:repeat(3,1fr)}.prod-grid{grid-template-columns:repeat(2,1fr)}.values,.trust{grid-template-columns:repeat(2,1fr)}}
@media (max-width:720px){.logo-img{height:44px;max-width:min(180px,55vw)}.menu-toggle{display:inline-flex}.nav{display:none;width:100%;flex-direction:column;align-items:stretch}.nav.is-open{display:flex}.nav details ul{position:static;box-shadow:none;border:0}.header-row{flex-wrap:wrap}.cat-grid{grid-template-columns:repeat(2,1fr)}.prod-grid,.values,.trust{grid-template-columns:1fr}.ph--hero{min-height:200px}}

.cart-badge{display:inline-flex;align-items:center;justify-content:center;min-width:1.35rem;height:1.35rem;padding:0 .35rem;border-radius:999px;background:var(--accent);color:#fff;font-size:.75rem;font-weight:700}
.cart-badge[hidden]{display:none!important}
.quote-table{width:100%;border-collapse:collapse;background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.quote-table th,.quote-table td{padding:.85rem 1rem;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
.quote-table th{background:#f1f5f9;font-size:.85rem}
.card-panel{background:var(--card);padding:1.25rem;border-radius:var(--radius);box-shadow:var(--shadow)}
.order-layout{display:grid;grid-template-columns:1fr 1.1fr;gap:1.25rem;align-items:start}
.order-item-list{margin:0;padding-left:1.2rem}
.order-item-list li{margin:.35rem 0}
@media (max-width:900px){.order-layout{grid-template-columns:1fr}}

.section-title{display:flex;align-items:center;gap:.6rem}.section-title::before{content:"";width:4px;height:1.1em;background:var(--accent);border-radius:2px;flex-shrink:0}
.highlight{color:var(--accent);font-weight:700}

/* Temporary catalog placeholders (real photos; boss will replace later) */
/* Real photos: never inherit .ph{display:flex} or the bitmap disappears */
img.ph.ph-img{display:block!important;object-fit:cover;padding:0;border:1px solid var(--line);border-radius:8px;color:transparent;background:#e7f2ea}
img.ph.ph--hero{width:100%;height:auto;min-height:280px;max-height:420px;object-fit:cover;border-radius:var(--radius)}
img.ph.ph--thumb{width:100%;aspect-ratio:1;height:auto;min-height:0;object-fit:cover;border-radius:0}
img.ph.ph--icon{width:72px;height:72px;min-height:72px;border-radius:50%;object-fit:cover;margin-inline:auto}
@media (max-width:720px){img.ph.ph--hero{min-height:180px;max-height:280px}}

/* Portrait catalog photos (e.g. tall LED wall installs): show full frame, no stretch/crop */
img.ph.ph-img.ph--portrait{object-fit:contain!important;aspect-ratio:9/16;width:100%;height:auto;min-height:0;background:#e7f2ea}
img.ph.ph--hero.ph--portrait{max-height:none;min-height:0;aspect-ratio:9/16;object-fit:contain!important}
/* UV hero video */
video.ph.ph--hero{width:100%;height:auto;min-height:280px;max-height:420px;object-fit:cover;border-radius:var(--radius);background:#111;display:block}
@media (max-width:720px){video.ph.ph--hero{min-height:180px;max-height:280px}}


/* Gallery lightbox */
.gallery-grid .gallery-item{display:block;padding:0;margin:0;border:0;background:transparent;cursor:zoom-in;width:100%;border-radius:8px;overflow:hidden}
.gallery-grid .gallery-item:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.gallery-grid .gallery-item img{pointer-events:none;width:100%}
.lightbox{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;padding:1.25rem;background:rgba(15,23,42,.82)}
.lightbox.is-open{display:flex}
.lightbox__dialog{position:relative;max-width:min(96vw,1100px);max-height:92vh;margin:0}
.lightbox__img{display:block;max-width:96vw;max-height:88vh;width:auto;height:auto;object-fit:contain;border-radius:8px;background:#111;box-shadow:0 20px 50px rgba(0,0,0,.45)}
.lightbox__close{position:absolute;top:-.4rem;right:-.4rem;width:2.4rem;height:2.4rem;border:0;border-radius:999px;background:#fff;color:#0f172a;font-size:1.4rem;line-height:1;cursor:pointer;box-shadow:0 4px 14px rgba(0,0,0,.25)}
.lightbox__close:hover{background:var(--accent);color:#fff}
.lightbox__caption{margin:.65rem 0 0;color:#e2e8f0;text-align:center;font-size:.95rem}