/* UltraGiclee 万博艺术 — Design System v1 */
:root{
  --blk:#080808; --blk2:#101010; --blk3:#181818; --blk4:#222;
  --gold:#c9a94e; --gold-dim:#8a7a4a; --gold-bright:#dfc06a;
  --text:#d8d8d8; --text2:#999; --text3:#666;
  --border:#262626;
  --font-cn:'Noto Serif SC','Source Han Serif SC',serif;
  --font-en:'Cormorant Garamond',Georgia,serif;
  --font-ui:'Inter',-apple-system,'PingFang SC',sans-serif;
  --max-w:1280px; --nav-h:72px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--blk);color:var(--text);font-family:var(--font-ui);font-size:14px;line-height:1.8;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-cn);font-weight:600;letter-spacing:.02em}
.en{font-family:var(--font-en)}
.container{max-width:var(--max-w);margin:0 auto;padding:0 32px}
section{padding:110px 0}
.section-alt{background:var(--blk2)}
.section-head{max-width:640px;margin-bottom:64px}
.section-kicker{font-size:11px;letter-spacing:.35em;text-transform:uppercase;color:var(--gold);margin-bottom:16px;font-family:var(--font-ui)}
.section-title{font-size:36px;line-height:1.3;margin-bottom:18px}
.section-sub{color:var(--text2);font-size:15px}
.gold{color:var(--gold)}

/* ── Nav ─────────────────────────── */
.nav{position:fixed;top:0;left:0;right:0;height:var(--nav-h);z-index:100;background:rgba(8,8,8,.88);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.nav-inner{max-width:var(--max-w);margin:0 auto;height:100%;padding:0 32px;display:flex;align-items:center;justify-content:space-between}
.nav-logo{display:flex;align-items:center;gap:12px}
.nav-logo-mark{width:34px;height:34px;flex-shrink:0}
.nav-logo-text{display:flex;flex-direction:column;line-height:1.25}
.nav-logo-cn{font-family:var(--font-cn);font-size:16px;font-weight:600;letter-spacing:.1em}
.nav-logo-en{font-family:var(--font-en);font-size:10px;letter-spacing:.3em;color:var(--text2);text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:34px;list-style:none}
.nav-links a{font-size:13px;color:var(--text2);letter-spacing:.05em;transition:color .25s}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.nav-cta{display:flex;align-items:center;gap:16px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;font-size:13px;letter-spacing:.12em;border:1px solid transparent;background:transparent;color:var(--text);cursor:pointer;transition:all .25s;font-family:var(--font-ui)}
.btn-gold{background:var(--gold);color:#0a0a0a;font-weight:600}
.btn-gold:hover{background:var(--gold-bright)}
.btn-ghost{border-color:var(--border);color:var(--text)}
.btn-ghost:hover{border-color:var(--gold-dim);color:var(--gold)}
.btn-sm{padding:9px 20px;font-size:12px}
.lang-toggle{background:none;border:1px solid var(--border);color:var(--text2);font-size:11px;letter-spacing:.1em;padding:7px 12px;cursor:pointer;transition:all .25s}
.lang-toggle:hover{color:var(--gold);border-color:var(--gold-dim)}
.nav-hamburger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav-hamburger span{width:22px;height:1.5px;background:var(--text);display:block;transition:.3s}
/* ── Hero ─────────────────────────── */
.hero{min-height:100vh;display:flex;align-items:center;padding-top:var(--nav-h);position:relative;overflow:hidden;background:radial-gradient(ellipse 80% 60% at 70% 20%,#1a150a 0%,var(--blk) 60%)}
.hero-inner{position:relative;z-index:2}
.hero-badge{font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--text3);margin-bottom:28px}
.hero-title{font-size:64px;line-height:1.15;margin-bottom:26px;max-width:720px}
.hero-title .accent{color:var(--gold);font-style:normal}
.hero-sub{font-size:16px;color:var(--text2);max-width:520px;margin-bottom:44px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{display:flex;gap:56px;margin-top:88px;padding-top:40px;border-top:1px solid var(--border)}
.hero-stat b{display:block;font-family:var(--font-en);font-size:32px;color:var(--gold);font-weight:500}
.hero-stat span{font-size:12px;color:var(--text3);letter-spacing:.1em}

/* ── Product lines grid ───────────── */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--border)}
.prod-card{background:var(--blk2);padding:52px 40px;transition:background .3s;position:relative}
.prod-card:hover{background:var(--blk3)}
.prod-num{font-family:var(--font-en);font-size:13px;color:var(--text3);letter-spacing:.2em;margin-bottom:24px}
.prod-img{width:calc(100% + 80px);margin:-52px -40px 28px;aspect-ratio:16/10;object-fit:cover;display:block;opacity:.9;transition:opacity .3s}
.prod-card:hover .prod-img{opacity:1}
.svc-thumb{width:180px;aspect-ratio:4/5;object-fit:cover;flex-shrink:0;border:1px solid var(--border)}
.prod-card h3{font-size:21px;margin-bottom:6px}
.prod-card .prod-en{font-family:var(--font-en);font-size:12px;letter-spacing:.18em;color:var(--text3);text-transform:uppercase;margin-bottom:20px}
.prod-card p{color:var(--text2);font-size:13px;margin-bottom:24px}
.prod-link{font-size:12px;letter-spacing:.15em;color:var(--gold);text-transform:uppercase}

/* ── Steps ────────────────────────── */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:40px}
.step{padding-top:28px;border-top:1px solid var(--border)}
.step-num{font-family:var(--font-en);font-size:28px;color:var(--gold);margin-bottom:16px}
.step h4{font-size:17px;margin-bottom:10px}
.step p{font-size:13px;color:var(--text2)}

/* ── CTA band ─────────────────────── */
.cta-band{text-align:center;padding:120px 32px;background:radial-gradient(ellipse 60% 80% at 50% 100%,#191307 0%,var(--blk) 70%)}
.cta-band h2{font-size:44px;margin-bottom:20px}
.cta-band p{color:var(--text2);margin-bottom:40px}
/* ── Gallery / editions ───────────── */
.edition-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.edition-card{background:var(--blk2);border:1px solid var(--border);transition:border-color .3s,transform .3s}
.edition-card:hover{border-color:var(--gold-dim);transform:translateY(-4px)}
.edition-img{aspect-ratio:4/5;overflow:hidden;position:relative}
.edition-img .art-ph{width:100%;height:100%;transition:transform .5s}
.edition-card:hover .art-ph{transform:scale(1.04)}
.edition-tag{position:absolute;top:14px;left:14px;font-size:10px;letter-spacing:.18em;text-transform:uppercase;background:rgba(8,8,8,.8);color:var(--gold);padding:5px 10px;border:1px solid var(--gold-dim)}
.edition-body{padding:22px 24px 26px}
.edition-body h3{font-size:17px;margin-bottom:4px}
.edition-artist{font-size:12px;color:var(--text3);letter-spacing:.08em;margin-bottom:14px}
.edition-meta{display:flex;justify-content:space-between;align-items:baseline;font-size:12px;color:var(--text2)}
.edition-price{font-family:var(--font-en);font-size:18px;color:var(--gold)}

/* Art placeholder gradients (pure CSS art) */
.art-ph{background-size:cover;background-position:center}
.ph-1{background:linear-gradient(160deg,#2b3a4a,#0e1620 55%,#3d2c14)}
.ph-2{background:radial-gradient(circle at 30% 30%,#4a3a20,#14100a 70%)}
.ph-3{background:linear-gradient(200deg,#3a2b3d,#120e18 60%,#1d2b2b)}
.ph-4{background:conic-gradient(from 210deg at 60% 40%,#1a2a33,#0b0f14,#33261a,#1a2a33)}
.ph-5{background:linear-gradient(120deg,#43301c,#171310 50%,#24333d)}
.ph-6{background:radial-gradient(ellipse at 70% 80%,#31404b,#0d1116 65%,#241a2e)}

/* ── Artists ──────────────────────── */
.artist-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.artist-card{border:1px solid var(--border);background:var(--blk2)}
.artist-cover{aspect-ratio:16/10}
.artist-body{padding:26px 28px 30px}
.artist-body h3{font-size:19px;margin-bottom:4px}
.artist-loc{font-size:12px;color:var(--text3);letter-spacing:.1em;margin-bottom:14px}
.artist-body p{font-size:13px;color:var(--text2);margin-bottom:18px}

/* ── Forms ────────────────────────── */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.form-grid .full{grid-column:1/-1}
.field label{display:block;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--text3);margin-bottom:8px}
.field input,.field textarea,.field select{width:100%;background:var(--blk3);border:1px solid var(--border);color:var(--text);padding:13px 16px;font-size:14px;font-family:var(--font-ui);transition:border-color .25s}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--gold-dim)}
.field textarea{min-height:140px;resize:vertical}
/* ── Configurator (print.html) ────── */
.cfg-layout{display:grid;grid-template-columns:1fr 420px;gap:48px;align-items:start}
.cfg-preview{position:sticky;top:calc(var(--nav-h) + 24px)}
.wall{background:linear-gradient(180deg,#1c1c1e,#141416);border:1px solid var(--border);aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.wall-floor{position:absolute;bottom:0;left:0;right:0;height:22%;background:linear-gradient(180deg,#0c0c0d,#090909)}
.frame-box{position:relative;box-shadow:0 24px 60px rgba(0,0,0,.65);transition:all .4s;background:#fff;display:flex;align-items:center;justify-content:center;max-width:78%;max-height:72%}
.frame-box img{width:100%;height:100%;object-fit:cover;display:block}
.frame-none{padding:0}
.frame-black{padding:14px;background:#151515;border:1px solid #000}
.frame-white{padding:16px;background:#f2f0eb;border:1px solid #ddd}
.frame-wood{padding:15px;background:#6b4a2a;border:1px solid #4a3018}
.frame-alu{padding:8px;background:#9a9a9a;border:1px solid #777}
.mat-border{box-shadow:inset 0 0 0 8vw #f5f3ee}
.cfg-empty{color:var(--text3);font-size:13px;text-align:center;padding:0 40px}
.cfg-panel .panel-block{padding:26px 0;border-bottom:1px solid var(--border)}
.cfg-panel .panel-block:first-child{padding-top:0}
.panel-label{font-size:11px;letter-spacing:.25em;text-transform:uppercase;color:var(--text3);margin-bottom:16px}
.opt-row{display:flex;flex-wrap:wrap;gap:10px}
.opt{border:1px solid var(--border);background:var(--blk2);color:var(--text2);padding:10px 16px;font-size:12px;cursor:pointer;transition:all .2s;letter-spacing:.03em}
.opt:hover{border-color:var(--gold-dim)}
.opt.on{border-color:var(--gold);color:var(--gold);background:rgba(201,169,78,.06)}
.size-row{display:flex;gap:12px;align-items:center}
.size-row input{width:90px;background:var(--blk3);border:1px solid var(--border);color:var(--text);padding:10px 12px;font-size:14px;text-align:center}
.size-row input:focus{outline:none;border-color:var(--gold-dim)}
.size-row span{color:var(--text3);font-size:13px}
.size-presets{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.upload-zone{border:1px dashed var(--border);padding:34px 24px;text-align:center;cursor:pointer;transition:border-color .25s;background:var(--blk2)}
.upload-zone:hover,.upload-zone.drag{border-color:var(--gold-dim)}
.upload-zone b{display:block;font-size:14px;margin-bottom:6px;color:var(--text)}
.upload-zone span{font-size:12px;color:var(--text3)}
.price-box{background:var(--blk2);border:1px solid var(--gold-dim);padding:26px 28px;margin-top:28px}
.price-row{display:flex;justify-content:space-between;font-size:13px;color:var(--text2);padding:5px 0}
.price-total{display:flex;justify-content:space-between;align-items:baseline;border-top:1px solid var(--border);margin-top:14px;padding-top:16px}
.price-total b{font-family:var(--font-en);font-size:30px;color:var(--gold);font-weight:500}
.price-note{font-size:11px;color:var(--text3);margin-top:10px}
.img-tools{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.img-tools .btn{padding:8px 16px;font-size:11px}
/* ── Footer ───────────────────────── */
.footer{border-top:1px solid var(--border);background:var(--blk2)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:48px;padding:72px 0 56px}
.footer h5{font-size:12px;letter-spacing:.25em;text-transform:uppercase;color:var(--text3);margin-bottom:20px;font-family:var(--font-ui);font-weight:600}
.footer ul{list-style:none}
.footer li{margin-bottom:10px}
.footer a{font-size:13px;color:var(--text2);transition:color .25s}
.footer a:hover{color:var(--gold)}
.footer-brand p{font-size:13px;color:var(--text2);margin-top:16px;max-width:300px}
.footer-contact p{font-size:13px;color:var(--text2);margin-bottom:8px}
.footer-bottom{border-top:1px solid var(--border);padding:22px 0;display:flex;justify-content:space-between;font-size:12px;color:var(--text3)}
.footer-bottom a{color:var(--text3)}
.footer-bottom a:hover{color:var(--gold)}

/* ── Page hero (inner pages) ──────── */
.page-hero{padding:calc(var(--nav-h) + 90px) 0 80px;background:radial-gradient(ellipse 70% 90% at 50% 0%,#141007 0%,var(--blk) 65%)}
.page-hero h1{font-size:48px;margin-bottom:16px}
.page-hero p{color:var(--text2);max-width:560px;font-size:15px}

/* ── Two-col generic ──────────────── */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.svc-list{list-style:none}
.svc-list li{padding:22px 0;border-bottom:1px solid var(--border)}
.svc-list h4{font-size:16px;margin-bottom:6px}
.svc-list p{font-size:13px;color:var(--text2)}
.cert-row{display:flex;flex-wrap:wrap;gap:12px}
.cert-pill{border:1px solid var(--border);padding:10px 20px;font-size:12px;letter-spacing:.08em;color:var(--text2)}

/* ── Responsive ───────────────────── */
@media (max-width:1000px){
  .prod-grid,.edition-grid,.artist-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .cfg-layout{grid-template-columns:1fr}
  .cfg-preview{position:static}
  .two-col{grid-template-columns:1fr;gap:40px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero-title{font-size:44px}
  .section-title{font-size:28px}
  .page-hero h1{font-size:34px}
}
@media (max-width:900px){
  .nav-links{display:none}
  .nav-links.open{display:flex;flex-direction:column;position:absolute;top:var(--nav-h);left:0;right:0;background:rgba(8,8,8,.98);padding:28px 32px;border-bottom:1px solid var(--border);gap:20px;align-items:center}
  .nav-hamburger{display:flex}
  .nav-cta .btn{display:none}
}
@media (max-width:600px){
  .prod-grid,.edition-grid,.artist-grid,.steps,.form-grid,.footer-grid{grid-template-columns:1fr}
  section{padding:72px 0}
  .hero-stats{gap:28px;flex-wrap:wrap}
  .hero-title{font-size:34px}
  .container{padding:0 20px}
}

/* ── Subagent page classes (services/about/gallery/contact) ── */
.svc-item{display:flex;gap:28px;padding:30px 0;border-bottom:1px solid var(--border)}
.svc-num{font-family:var(--font-en);font-size:24px;color:var(--gold);flex-shrink:0;width:48px}
.svc-body h3{font-size:18px;margin-bottom:10px}
.svc-body p{font-size:13px;color:var(--text2);margin-bottom:8px;max-width:640px}
.ship-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.ship-col{background:var(--blk2);border:1px solid var(--border);padding:40px 36px}
.ship-col h3{font-size:18px;margin-bottom:20px}
.ship-list{list-style:none}
.ship-list li{font-size:13px;color:var(--text2);padding:10px 0 10px 20px;border-bottom:1px solid var(--border);position:relative}
.ship-list li::before{content:'—';position:absolute;left:0;color:var(--gold)}
.ship-list li:last-child{border-bottom:0}
.cert-card{border:1px solid var(--border);background:var(--blk2);padding:32px 28px;text-align:center;flex:1;min-width:180px}
.cert-icon{width:44px;height:44px;border:1px solid var(--gold-dim);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-family:var(--font-en);font-size:18px;color:var(--gold)}
.cert-name{font-size:14px;font-weight:600;margin-bottom:8px}
.cert-desc{font-size:12px;color:var(--text3)}
.client-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.client-card{border:1px solid var(--border);background:var(--blk2);padding:26px 22px;text-align:center;font-size:13px;color:var(--text2);transition:border-color .25s}
.client-card:hover{border-color:var(--gold-dim);color:var(--text)}
.phil-card{background:var(--blk2);padding:48px 36px}
.phil-icon{font-family:var(--font-en);font-size:22px;color:var(--gold);margin-bottom:18px}
.phil-card h3{font-size:19px;margin-bottom:10px}
.phil-card p{font-size:13px;color:var(--text2)}
.contact-info-list{list-style:none;margin-bottom:32px}
.contact-info-item{padding:16px 0;border-bottom:1px solid var(--border)}
.contact-info-item b{display:block;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--text3);margin-bottom:6px;font-weight:600}
.gal-desc{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.gal-desc-item{padding-top:24px;border-top:1px solid var(--border)}
.gal-desc-item h4{font-size:16px;margin-bottom:8px}
.gal-desc-item p{font-size:13px;color:var(--text2)}
.page-hero-inner{max-width:640px}
.page-hero-title{font-size:48px;margin-bottom:16px}
.page-hero-sub{color:var(--text2);font-size:15px}
@media (max-width:1000px){
  .ship-grid,.gal-desc{grid-template-columns:1fr 1fr}
  .client-grid{grid-template-columns:repeat(2,1fr)}
  .page-hero-title{font-size:34px}
}
@media (max-width:600px){
  .ship-grid,.gal-desc,.client-grid{grid-template-columns:1fr}
  .svc-item{flex-direction:column;gap:10px}
}