:root{
  --paper:#f5f0e6;
  --paper-deep:#e9dfcf;
  --ink:#1d2c28;
  --muted:#6d746d;
  --line:#c9c0b1;
  --coral:#df684c;
  --sage:#aebfa5;
  --cream:#fffaf1;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Songti SC","Noto Serif SC",Georgia,serif}
button,a{font:inherit}
button{color:inherit}
.skip-link{position:fixed;top:-60px;left:18px;z-index:20;padding:10px 14px;background:var(--ink);color:#fff}
.skip-link:focus{top:18px}
.site-header{min-height:90px;padding:0 5vw;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:16px;color:inherit;text-decoration:none}
.brand-mark{font-size:25px;font-weight:800;letter-spacing:.08em}
.brand-copy{padding-left:16px;border-left:1px solid var(--line);font:700 9px/1.45 ui-monospace,monospace;letter-spacing:.16em}
.site-header nav{display:flex;align-items:center;gap:28px;font:700 10px ui-monospace,monospace;letter-spacing:.1em}
.site-header nav a{color:inherit;text-underline-offset:5px}
.site-header nav span{color:var(--muted)}
.hero{min-height:690px;padding:9vh 7vw 11vh;display:grid;grid-template-columns:90px minmax(0,1fr) minmax(250px,340px);gap:5vw;align-items:center;background:radial-gradient(circle at 78% 25%,#fffaf3 0 12%,transparent 38%),linear-gradient(135deg,transparent 60%,#e7dece 60%)}
.hero-note{align-self:stretch;display:flex;flex-direction:column;align-items:center;gap:17px;font:700 8px ui-monospace,monospace;letter-spacing:.18em;writing-mode:vertical-rl;color:var(--muted)}
.hero-note i{width:1px;flex:1;max-height:190px;background:var(--line)}
.eyebrow{font:800 10px ui-monospace,monospace;letter-spacing:.18em;text-transform:uppercase;color:var(--coral)}
.hero h1{margin:23px 0 34px;font-size:clamp(62px,8.4vw,122px);line-height:.88;letter-spacing:-.075em;font-weight:700}
.hero h1 em{font-style:normal;color:var(--coral)}
.hero-lead{max-width:570px;font-size:18px;line-height:1.8;color:#59635d}
.hero-action{display:inline-flex;align-items:center;gap:28px;margin-top:20px;padding:14px 18px;background:var(--ink);color:#fff;text-decoration:none;font-family:"Microsoft YaHei",sans-serif;font-size:13px}
.hero-action span{font-size:20px}
.hero-card{align-self:end;min-height:390px;padding:30px;background:var(--sage);border:1px solid var(--ink);box-shadow:13px 13px 0 var(--cream);display:flex;flex-direction:column;justify-content:space-between}
.card-number{font:800 clamp(95px,12vw,170px)/.75 Arial,sans-serif;letter-spacing:-.08em}
.hero-card p{margin:0 0 10px;font:800 10px ui-monospace,monospace;letter-spacing:.16em}
.hero-card strong{font-size:27px;line-height:1.35}
.hero-card small{padding-top:20px;border-top:1px solid #6e8068;font-family:"Microsoft YaHei",sans-serif;color:#3e4a3d}
.catalog,.detail{padding:11vh 7vw 14vh}
.section-header{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:48px}
.section-header h2,.detail h2{margin:10px 0 0;font-size:clamp(45px,6vw,78px);letter-spacing:-.055em}
.filters{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:7px}
.filters button{padding:9px 13px;border:1px solid var(--line);background:transparent;cursor:pointer;font-family:"Microsoft YaHei",sans-serif;font-size:12px}
.filters button.active{background:var(--coral);border-color:var(--coral);color:#fff}
.product-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.product-card{grid-column:span 4;min-width:0;padding:20px;background:var(--cream)}
.product-card:nth-child(1),.product-card:nth-child(5){grid-column:span 6}
.product-cover{position:relative;width:100%;aspect-ratio:16/10;padding:0;border:0;background:var(--paper-deep);overflow:hidden;cursor:pointer}
.product-cover img,.detail-cover img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .35s ease}
.product-cover:hover img{transform:scale(1.025)}
.cover-placeholder{width:100%;height:100%;display:grid;place-items:center;background:linear-gradient(135deg,var(--paper-deep),var(--sage));font-size:68px}
.product-index{position:absolute;top:12px;left:12px;padding:6px 8px;background:var(--cream);font:800 10px ui-monospace,monospace}
.product-meta{display:flex;justify-content:space-between;gap:12px;margin-top:17px;color:var(--muted);font:700 9px ui-monospace,monospace;letter-spacing:.08em}
.product-card h3{margin:14px 0 8px;font-size:29px}
.product-card h3 button,.product-foot button,.detail-back{padding:0;border:0;background:none;cursor:pointer;text-align:left}
.product-card>p{min-height:52px;margin:0;color:var(--muted);font-family:"Microsoft YaHei",sans-serif;font-size:13px;line-height:1.7}
.product-foot{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-top:25px;padding-top:17px;border-top:1px solid var(--line)}
.product-foot span,.product-foot small{display:block}
.product-foot small{margin-bottom:4px;color:var(--muted);font-family:"Microsoft YaHei",sans-serif}
.product-foot b{font:800 22px ui-monospace,monospace}
.product-foot button{font-family:"Microsoft YaHei",sans-serif;font-size:11px}
.product-foot i{margin-left:5px;color:var(--coral);font-style:normal}
.empty{grid-column:1/-1;margin:0;padding:70px;background:var(--cream);color:var(--muted)}
.detail{min-height:100dvh}
.detail-back{margin-bottom:38px;font-family:"Microsoft YaHei",sans-serif;font-size:12px}
.detail-hero{display:grid;grid-template-columns:minmax(310px,.9fr) 1.1fr;gap:7vw;align-items:center}
.detail-cover{aspect-ratio:16/10;background:var(--paper-deep);overflow:hidden}
.detail-intro>p:not(.eyebrow){max-width:650px;color:var(--muted);font-family:"Microsoft YaHei",sans-serif;line-height:1.8}
.detail-intro dl{margin-top:28px}
.detail-intro dl div{display:grid;grid-template-columns:110px 1fr;padding:12px 0;border-bottom:1px solid var(--line)}
.detail-intro dt{color:var(--muted);font-family:"Microsoft YaHei",sans-serif;font-size:12px}
.detail-intro dd{margin:0;font-weight:700}
.detail-editorial{display:grid;grid-template-columns:repeat(3,1fr);margin:70px 0;border-block:1px solid var(--line)}
.detail-editorial section{min-height:260px;padding:30px;border-right:1px solid var(--line)}
.detail-editorial section:last-child{border:0;background:var(--sage)}
.detail-editorial span{font:800 10px ui-monospace,monospace;color:var(--coral)}
.detail-editorial h3{font-size:27px}
.detail-editorial li,.detail-editorial p{margin:10px 0;color:#53605a;font-family:"Microsoft YaHei",sans-serif;font-size:13px;line-height:1.7}
.tiers{border-top:2px solid var(--ink)}
.tiers>header{display:flex;align-items:end;justify-content:space-between;padding:28px 0}
.tiers>header h3{margin:8px 0 0;font-size:34px}
.tiers>header>p{color:var(--muted);font-family:"Microsoft YaHei",sans-serif;font-size:12px}
.tier-list{border-bottom:1px solid var(--line)}
.tier-list a{display:grid;grid-template-columns:55px 1fr auto;gap:22px;align-items:center;padding:22px 4px;border-top:1px solid var(--line);color:inherit;text-decoration:none}
.tier-list a:hover{background:#fff7eb}
.tier-list i{font:normal 10px ui-monospace,monospace;color:var(--coral)}
.tier-list span,.tier-list small{display:block}
.tier-list b{font-size:19px}
.tier-list small{margin-top:7px;color:var(--muted);font-family:"Microsoft YaHei",sans-serif}
.tier-list strong{font:800 20px ui-monospace,monospace}
.tier-list em{color:var(--coral);font-style:normal}
.delivery-note{max-width:760px;margin-top:30px;color:var(--muted);font-family:"Microsoft YaHei",sans-serif;line-height:1.8}
footer{padding:32px 7vw;display:flex;align-items:end;justify-content:space-between;border-top:1px solid var(--line)}
footer div{display:flex;align-items:center;gap:18px}
footer span{font:700 9px ui-monospace,monospace;letter-spacing:.13em;color:var(--muted)}
footer p{margin:0;font-family:"Microsoft YaHei",sans-serif;font-size:11px;color:var(--muted)}
button:focus-visible,a:focus-visible{outline:3px solid var(--coral);outline-offset:3px}
@media(max-width:950px){
  .hero{grid-template-columns:45px 1fr}.hero-card{display:none}
  .product-card,.product-card:nth-child(1),.product-card:nth-child(5){grid-column:span 6}
  .detail-hero{grid-template-columns:1fr}.detail-editorial{grid-template-columns:1fr}
  .detail-editorial section{border-right:0;border-bottom:1px solid var(--line)}
}
@media(max-width:600px){
  .site-header{min-height:74px;padding:0 20px}.brand-copy,.site-header nav span{display:none}.site-header nav{gap:0}
  .hero{min-height:590px;padding:9vh 22px;grid-template-columns:1fr;background:radial-gradient(circle at 80% 10%,#fffaf3 0 10%,transparent 33%)}
  .hero-note{display:none}.hero h1{font-size:55px}.hero-lead{font-size:16px}.hero-action{width:100%;justify-content:space-between}
  .catalog,.detail{padding:70px 20px}.section-header{align-items:start;flex-direction:column}.filters{justify-content:flex-start}
  .product-card,.product-card:nth-child(1),.product-card:nth-child(5){grid-column:1/-1;padding:16px}
  .product-card>p{min-height:0}.detail-hero{gap:30px}.detail-editorial{margin:45px 0}
  .tiers>header{align-items:start;flex-direction:column}.tier-list a{grid-template-columns:35px 1fr}.tier-list strong{grid-column:2}
  footer{align-items:start;flex-direction:column;gap:18px}footer div{align-items:start;flex-direction:column;gap:5px}
}