/* Black Box 3D 打印 — 光亮、易用嘅客人網站（同公司橙色：只用喺行動、價錢、進度） */
:root{
  --bg:#f6f5f2; --paper:#ffffff; --ink:#111113; --ink-2:#3a3a40; --muted:#6c6c74; --line:#e4e2dc; --line-2:#cfccc4;
  --orange:#ff5a1f; --orange-hi:#ff6c36; --orange-soft:#fff0e9; --green:#13a356; --green-soft:#e8f7ee; --blue:#2563eb;
  --r-lg:22px; --r-md:14px; --r-sm:10px; --max:1180px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang HK","PingFang TC","Noto Sans TC","Microsoft JhengHei",system-ui,sans-serif;
  --mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,monospace;
  --shadow:0 1px 2px rgba(17,17,19,.04),0 8px 28px rgba(17,17,19,.06);
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:76px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:1rem;line-height:1.6;-webkit-font-smoothing:antialiased}
img,svg,canvas{max-width:100%;display:block}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--orange);outline-offset:2px;border-radius:6px}
[hidden]{display:none!important}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;border-radius:8px;z-index:99}.skip:focus{left:12px}

/* 導航 */
.nav{position:sticky;top:0;z-index:40;background:rgba(246,245,242,.86);backdrop-filter:saturate(160%) blur(16px);-webkit-backdrop-filter:saturate(160%) blur(16px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:18px;height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:none}
.brand img{height:22px;width:auto}
.brand b{font-size:.8125rem;letter-spacing:.14em;font-family:var(--mono);color:var(--muted);border-left:1px solid var(--line-2);padding-left:10px}
.nav-links{display:flex;gap:2px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.nav-links::-webkit-scrollbar{display:none}
.nav-links a{white-space:nowrap;text-decoration:none;padding:8px 12px;border-radius:999px;font-size:.9375rem;color:var(--ink-2)}
.nav-links a:hover{background:#fff}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:999px;border:1px solid transparent;font-weight:700;font-size:.9688rem;text-decoration:none;cursor:pointer;transition:background .15s,border-color .15s,transform .15s}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--orange);color:#111}
.btn-primary:hover{background:var(--orange-hi)}
.btn-dark{background:var(--ink);color:#fff}
.btn-ghost{background:#fff;border-color:var(--line-2);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink)}
.btn-sm{min-height:36px;padding:0 14px;font-size:.875rem}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.nav .btn{min-height:40px;flex:none}
@media (max-width:860px){.nav-links{display:none}.nav .btn{margin-left:auto}}

/* Hero */
.hero{padding:56px 0 34px}
.hero .wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:.8125rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px var(--green-soft)}
h1{font-size:clamp(2.1rem,4.6vw,3.5rem);line-height:1.12;letter-spacing:-.01em;margin:14px 0 16px;font-weight:800}
h1 em{font-style:normal;color:var(--orange)}
.lead{font-size:1.125rem;color:var(--ink-2);max-width:34em;margin:0 0 24px}
.hero-cta{display:flex;flex-wrap:wrap;gap:10px}
.hero-stage{position:relative;aspect-ratio:1/0.92;border-radius:28px;background:radial-gradient(120% 90% at 50% 10%,#fff 0,#efede7 70%);border:1px solid var(--line);overflow:hidden;box-shadow:var(--shadow)}
.hero-stage canvas{width:100%;height:100%}
.hero-badge{position:absolute;left:16px;bottom:16px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 14px;font-size:.8125rem;font-weight:600;display:flex;gap:8px;align-items:center}
.hero-badge i{width:8px;height:8px;border-radius:50%;background:var(--orange)}
.facts{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.fact{background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-size:.8438rem;color:var(--ink-2)}
.fact b{color:var(--ink)}
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr}.hero{padding-top:32px}}

/* 相片區 */
.gallery{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(220px,1fr);gap:12px;overflow-x:auto;padding:4px 2px 12px;scroll-snap-type:x mandatory}
.gallery figure{margin:0;scroll-snap-align:start;border-radius:var(--r-md);overflow:hidden;background:#fff;border:1px solid var(--line)}
.gallery img{width:100%;aspect-ratio:4/3;object-fit:cover}
.gallery figcaption{padding:8px 12px;font-size:.8438rem;color:var(--muted)}

/* 區塊 */
section{padding:56px 0}
.sec-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:12px;margin-bottom:22px}
h2{font-size:clamp(1.6rem,3vw,2.2rem);line-height:1.2;margin:6px 0 0;font-weight:800}
.sec-head p{margin:6px 0 0;color:var(--muted);max-width:40em}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--shadow)}
.muted{color:var(--muted)}
.fine{font-size:.8438rem;color:var(--muted)}

/* 即時報價 */
.quote{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:18px;align-items:start}
@media (max-width:980px){.quote{grid-template-columns:1fr}}
.drop{display:block;border:2px dashed var(--line-2);border-radius:var(--r-lg);background:#fff;padding:28px;text-align:center;cursor:pointer;transition:border-color .15s,background .15s}
.drop:hover,.drop.over{border-color:var(--orange);background:var(--orange-soft)}
.drop b{display:block;font-size:1.125rem;margin-bottom:4px}
.viewer{position:relative;aspect-ratio:4/3;border-radius:var(--r-lg);overflow:hidden;background:radial-gradient(120% 100% at 50% 0,#fff,#ecebe6);border:1px solid var(--line)}
.viewer canvas{width:100%;height:100%}
.viewer .vhint{position:absolute;right:12px;bottom:10px;font-size:.75rem;color:var(--muted);background:rgba(255,255,255,.8);padding:3px 8px;border-radius:999px}
.viewer .vdim{position:absolute;left:12px;top:10px;font-family:var(--mono);font-size:.8125rem;background:#fff;border:1px solid var(--line);padding:4px 10px;border-radius:999px}
.models{display:grid;gap:10px;margin-top:12px}
.model{display:grid;grid-template-columns:1fr auto;gap:6px 12px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:12px 14px}
.model.on{border-color:var(--ink);box-shadow:0 0 0 1px var(--ink)}
.model b{overflow-wrap:anywhere}
.model .meta{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:4px 12px;font-size:.8125rem;color:var(--muted)}
.model .warn{color:#b42318;font-weight:600}
.prog{height:6px;border-radius:999px;background:var(--line);overflow:hidden;grid-column:1/-1}
.prog i{display:block;height:100%;width:0;background:var(--orange);transition:width .2s}
.opt{display:grid;gap:8px;margin-bottom:18px}
.opt>label,.opt>.lbl{font-weight:700;font-size:.9375rem}
.lbl small{font-weight:400;color:var(--muted);margin-left:6px}
.mats{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:8px}
.mat{position:relative;border:1px solid var(--line-2);border-radius:var(--r-sm);padding:10px 12px;background:#fff;cursor:pointer;text-align:left}
.mat input{position:absolute;opacity:0}
.mat b{display:block;font-size:.9375rem}
.mat span{font-size:.75rem;color:var(--muted)}
.mat:has(input:checked){border-color:var(--ink);box-shadow:0 0 0 1px var(--ink)}
.mat:has(input:focus-visible){outline:3px solid var(--orange);outline-offset:2px}
.sw{display:flex;flex-wrap:wrap;gap:8px}
.sw button{width:34px;height:34px;border-radius:50%;border:1px solid rgba(0,0,0,.15);cursor:pointer;position:relative;padding:0}
.sw button[aria-pressed="true"]{box-shadow:0 0 0 2px #fff,0 0 0 4px var(--ink)}
.sw button span{position:absolute;right:-4px;top:-6px;background:var(--ink);color:#fff;font-size:.6875rem;font-weight:700;border-radius:999px;min-width:18px;height:18px;line-height:18px;text-align:center;padding:0 4px}
.chosen{display:flex;flex-wrap:wrap;gap:6px;font-size:.8125rem}
.chosen span{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:3px 10px}
.chosen i{width:12px;height:12px;border-radius:50%;border:1px solid rgba(0,0,0,.2)}
.seg{display:inline-flex;flex-wrap:wrap;gap:4px;background:#efede7;border-radius:999px;padding:4px}
.seg button{border:0;background:none;border-radius:999px;padding:7px 14px;font-weight:600;font-size:.875rem;cursor:pointer;color:var(--ink-2)}
.seg button[aria-pressed="true"]{background:#fff;color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.08)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media (max-width:520px){.row2{grid-template-columns:1fr}}
.field{width:100%;min-height:46px;border:1px solid var(--line-2);border-radius:12px;background:#fff;padding:10px 12px}
textarea.field{min-height:84px;resize:vertical}
.field:focus{border-color:var(--ink);outline:none;box-shadow:0 0 0 3px rgba(17,17,19,.08)}
.qty{display:inline-flex;align-items:center;border:1px solid var(--line-2);border-radius:999px;background:#fff}
.qty button{width:42px;height:42px;border:0;background:none;font-size:1.25rem;cursor:pointer}
.qty input{width:52px;text-align:center;border:0;background:none;font-weight:700}
.price{position:sticky;top:80px}
.price h3{margin:0 0 10px;font-size:1.125rem}
.lines{list-style:none;margin:0;padding:0;display:grid;gap:6px;font-size:.9375rem}
.lines li{display:flex;justify-content:space-between;gap:12px}
.lines li span:last-child{font-variant-numeric:tabular-nums}
.total{display:flex;justify-content:space-between;align-items:baseline;border-top:1px solid var(--line);margin-top:12px;padding-top:12px}
.total b{font-size:2rem;font-weight:800;letter-spacing:-.01em}
.note{background:var(--orange-soft);border-radius:var(--r-sm);padding:10px 12px;font-size:.875rem;margin-top:10px}
.ok-note{background:var(--green-soft);color:#0b6b37}
.err{color:#b42318;font-size:.875rem;margin:6px 0 0}
details.co{margin-top:14px}
details.co summary{cursor:pointer;font-weight:700;list-style:none}
details.co summary::-webkit-details-marker{display:none}

/* 流程 */
.flow{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;counter-reset:f}
.flow li{list-style:none;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:16px 14px;counter-increment:f;position:relative}
.flow li::before{content:counter(f);display:inline-flex;width:28px;height:28px;align-items:center;justify-content:center;border-radius:50%;background:var(--ink);color:#fff;font-weight:700;font-size:.8125rem;margin-bottom:8px}
.flow b{display:block}
.flow span{font-size:.8438rem;color:var(--muted)}
@media (max-width:900px){.flow{grid-template-columns:repeat(2,1fr)}}
.flow{padding:0;margin:0}

/* 材料 */
.matgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}
.matcard{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:16px}
.matcard h3{margin:0 0 4px;font-size:1.0625rem}
.matcard p{margin:0 0 10px;font-size:.9063rem;color:var(--ink-2)}
.matcard .dots{display:flex;flex-wrap:wrap;gap:4px}
.matcard .dots i{width:16px;height:16px;border-radius:50%;border:1px solid rgba(0,0,0,.15)}
.matcard .tag{display:inline-block;font-size:.75rem;background:#f1efe9;border-radius:999px;padding:2px 8px;margin:0 4px 6px 0}

/* Marketplace／寵物 */
.prods{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}
.prod{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;display:flex;flex-direction:column}
.prod .ph{aspect-ratio:1;background:#efede7;display:flex;align-items:center;justify-content:center;color:var(--muted)}
.prod .ph img{width:100%;height:100%;object-fit:cover}
.prod .bd{padding:14px;display:flex;flex-direction:column;gap:6px;flex:1}
.prod .bd p{margin:0;font-size:.875rem;color:var(--muted)}
.prod .pr{font-weight:800;font-size:1.25rem;margin-top:auto}
.empty{padding:28px;text-align:center;border:1px dashed var(--line-2);border-radius:var(--r-md);color:var(--muted);background:#fff}
.pet{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}
@media (max-width:900px){.pet{grid-template-columns:1fr}}
.sizes{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:8px}
.sizes .mat b{font-size:1.25rem}
.thumbs{display:flex;flex-wrap:wrap;gap:8px}
.thumbs img{width:72px;height:72px;object-fit:cover;border-radius:10px;border:1px solid var(--line)}

/* 序列 */
.q-table{width:100%;border-collapse:collapse;font-size:.9375rem}
.q-table th{text-align:left;font-size:.8125rem;color:var(--muted);font-weight:600;padding:8px 10px;border-bottom:1px solid var(--line)}
.q-table td{padding:10px;border-bottom:1px solid var(--line);vertical-align:middle}
.pill{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:3px 10px;font-size:.8125rem;font-weight:700;background:#efede7}
.pill.printing{background:var(--orange-soft);color:#b23c0c}
.pill.printing::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--orange);animation:pulse 1.4s infinite}
@keyframes pulse{50%{opacity:.3}}
.bar{height:8px;background:var(--line);border-radius:999px;overflow:hidden;min-width:80px}
.bar i{display:block;height:100%;background:var(--orange)}
.machine{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between}
.machine .st{display:flex;align-items:center;gap:10px;font-weight:700}

/* FAQ／footer */
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:14px 18px;margin-bottom:8px}
.faq summary{cursor:pointer;font-weight:700}
.faq p{margin:8px 0 0;color:var(--ink-2)}
footer{border-top:1px solid var(--line);padding:30px 0 90px;font-size:.875rem;color:var(--muted)}
footer .wrap{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between}
footer a{text-decoration:none}

/* 訂單頁 */
.track{display:grid;grid-template-columns:repeat(6,1fr);gap:6px;margin:16px 0}
.track li{list-style:none;text-align:center;font-size:.8125rem;color:var(--muted);position:relative;padding-top:30px}
.track li::before{content:"";position:absolute;left:50%;top:6px;transform:translateX(-50%);width:18px;height:18px;border-radius:50%;background:#fff;border:2px solid var(--line-2)}
.track li.done{color:var(--ink)}
.track li.done::before{background:var(--ink);border-color:var(--ink)}
.track li.now{color:var(--ink);font-weight:700}
.track li.now::before{background:var(--orange);border-color:var(--orange);box-shadow:0 0 0 5px var(--orange-soft)}
.track{padding:0}
.tl{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.tl li{display:flex;gap:12px;font-size:.9375rem}
.tl time{color:var(--muted);font-family:var(--mono);font-size:.8125rem;min-width:118px}

/* 對話（問價） */
.chat-fab{position:fixed;right:18px;bottom:18px;z-index:50;box-shadow:0 8px 24px rgba(0,0,0,.18)}
.chat{position:fixed;right:18px;bottom:78px;z-index:50;width:min(380px,calc(100vw - 36px));max-height:min(560px,calc(100vh - 110px));display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:0 16px 48px rgba(0,0,0,.18);overflow:hidden}
.chat[hidden]{display:none}
.chat header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--line)}
.chat header b{display:flex;gap:8px;align-items:center}
.chat .msgs{flex:1;overflow:auto;padding:14px;display:flex;flex-direction:column;gap:8px}
.msg{max-width:86%;padding:9px 12px;border-radius:14px;font-size:.9375rem;white-space:pre-wrap;overflow-wrap:anywhere}
.msg.me{align-self:flex-end;background:var(--ink);color:#fff;border-bottom-right-radius:4px}
.msg.ai{align-self:flex-start;background:#f1efe9;border-bottom-left-radius:4px}
.msg.wait{color:var(--muted)}
.chat form{display:flex;gap:8px;padding:10px;border-top:1px solid var(--line)}
.chat form input{flex:1}
.toast{position:fixed;left:50%;bottom:22px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 18px;border-radius:999px;z-index:80;font-size:.9375rem;max-width:calc(100vw - 32px)}
.toast.err{background:#b42318}
dialog{border:0;border-radius:20px;padding:0;max-width:min(560px,calc(100vw - 24px));width:100%;box-shadow:0 20px 60px rgba(0,0,0,.3)}
dialog::backdrop{background:rgba(17,17,19,.45)}
dialog .dlg{padding:22px;display:grid;gap:12px}
dialog h3{margin:0}

/* 設計器 */
.dz{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:18px;align-items:start}
@media (max-width:980px){.dz{grid-template-columns:1fr}}
.tpls{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}