/* Guangzhou Jiaqi — Editorial B2B Catalog */
*,*::before,*::after{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
:root{
  --paper:#FAF8F4;
  --paper-2:#F1EDE5;
  --ink:#16130E;
  --muted:#6F6A60;
  --line:#E2DCCF;
  --line-dark:#16130E;
  --accent:#8C4A1F;
  --accent-soft:#F3E6D6;
  --black:#111111;
  --max:1280px;
}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Helvetica Neue",Helvetica,Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.6;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 32px}
.serif{font-family:Didot,"Playfair Display",Georgia,"Times New Roman",serif}

/* Topbar */
.topbar{
  border-bottom:1px solid var(--line);
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--muted);
}
.topbar .wrap{display:flex;justify-content:space-between;gap:16px;padding-top:10px;padding-bottom:10px}
.topbar a{text-decoration:none;border-bottom:1px solid var(--line)}
.topbar a:hover{color:var(--ink)}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(250,248,244,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--ink);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 32px;max-width:var(--max);margin:0 auto}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none;min-width:0}
.brand img{width:52px;height:52px;object-fit:contain;background:#fff;border:1px solid var(--line)}
.brand-text{line-height:1.2}
.brand-text strong{display:block;font-size:14px;letter-spacing:.02em;text-transform:uppercase}
.brand-text span{display:block;font-size:12px;color:var(--muted);letter-spacing:.12em;text-transform:uppercase}
.nav-desktop{display:flex;align-items:center;gap:32px}
.nav-desktop a{
  text-decoration:none;font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink);
  padding:6px 0;border-bottom:1px solid transparent;
}
.nav-desktop a:hover,.nav-desktop a.active{border-bottom-color:var(--ink)}
.nav-desktop a.btn{color:#fff;border-bottom:0}
.nav-desktop a.btn:hover{color:var(--ink);border-bottom:0}
.nav-desktop a.btn:active{color:#fff}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  text-decoration:none;text-transform:uppercase;letter-spacing:.14em;font-size:13px;
  padding:15px 26px;border:1px solid var(--ink);background:var(--ink);color:#fff;
  transition:background .2s ease,color .2s ease;
}
.btn:hover{background:transparent;color:var(--ink)}
.btn:active{background:var(--ink);color:#fff;transform:translateY(1px)}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:#fff}
.btn.ghost:active{background:var(--ink);color:#fff;transform:translateY(1px)}
.btn.light{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.btn.light:hover{background:transparent;color:var(--paper);border-color:var(--paper)}
.btn.light:active{background:transparent;color:var(--paper);border-color:var(--paper);transform:translateY(1px)}
.btn.small{padding:11px 18px;font-size:12px}
a:focus-visible,.btn:focus-visible,.hamburger:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* Mobile nav CSS only */
.nav-toggle{display:none}
.hamburger{display:none;cursor:pointer;border:1px solid var(--ink);padding:10px 12px;line-height:1}
.hamburger span{display:block;width:22px;height:2px;background:var(--ink);margin:5px 0}
.hamburger:active{opacity:.65}
.mobile-menu{display:none;border-top:1px solid var(--line);background:var(--paper);padding:8px 32px 20px}
.mobile-menu a{display:block;padding:14px 0;border-bottom:1px solid var(--line);text-decoration:none;text-transform:uppercase;letter-spacing:.14em;font-size:13px}
.mobile-menu a:hover,.mobile-menu a:active{color:var(--accent)}
.nav-toggle:checked ~ .mobile-menu{display:block}

/* Hero — asymmetric editorial */
.hero{border-bottom:1px solid var(--ink)}
.hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;
  min-height:72vh;
}
.hero-copy{padding:72px 48px 64px 32px;max-width:680px;justify-self:end;width:100%;display:flex;flex-direction:column;justify-content:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:12px;
  font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);
  margin:0 0 22px;
}
.eyebrow::before{content:"";width:36px;height:1px;background:var(--accent);display:inline-block}
.hero h1{
  font-family:Didot,"Playfair Display",Georgia,serif;
  font-weight:400;
  font-size:clamp(44px,6vw,84px);
  line-height:.95;
  letter-spacing:-.02em;
  margin:0 0 20px;
}
.hero h1 em{font-style:italic;color:var(--accent)}
.hero-sub{font-size:18px;color:#2b2721;max-width:48ch;margin:0 0 12px}
.hero-note{font-size:14px;color:var(--muted);max-width:54ch;margin:0 0 30px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.hero-meta{
  display:grid;grid-template-columns:1fr 1fr 1fr;
  border-top:1px solid var(--ink);
  margin-top:8px;
}
.hero-meta div{padding:16px 16px 4px 0;border-right:1px solid var(--line)}
.hero-meta div:last-child{border-right:0}
.hero-meta strong{display:block;font-size:13px;letter-spacing:.14em;text-transform:uppercase}
.hero-meta span{font-size:13px;color:var(--muted)}
.hero-media{position:relative;background:var(--paper-2);border-left:1px solid var(--ink);overflow:hidden;min-height:420px}
.hero-media img{width:100%;height:100%;object-fit:contain;position:absolute;inset:0}
.hero-media figcaption{
  position:absolute;left:20px;bottom:20px;right:20px;
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  background:rgba(250,248,244,.94);border:1px solid var(--ink);
  padding:12px 14px;font-size:12px;letter-spacing:.12em;text-transform:uppercase;
}

/* Marquee strip */
.strip{border-bottom:1px solid var(--ink);background:var(--ink);color:#EDE7DA}
.strip .wrap{display:flex;gap:0;padding-top:0;padding-bottom:0;overflow-x:auto}
.strip span{
  white-space:nowrap;padding:14px 28px;font-size:12px;letter-spacing:.2em;text-transform:uppercase;
  border-right:1px solid #333;
}
.strip span:first-child{border-left:1px solid #333}

/* Sections */
.section{padding:88px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{
  font-family:Didot,Georgia,serif;font-weight:400;
  font-size:clamp(32px,4vw,56px);line-height:1;margin:0;letter-spacing:-.02em;
}
.section-head h2 span{color:var(--muted);font-size:.45em;vertical-align:super;letter-spacing:.1em}
.section-head p{max-width:36ch;color:var(--muted);margin:0;text-align:right}
.index-label{font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--accent);margin:0 0 12px}

/* Categories — large typography, not cards */
.cats{border-top:1px solid var(--ink)}
.cat-row{
  display:grid;grid-template-columns:80px 1fr 320px 140px;
  align-items:center;gap:28px;
  padding:28px 0;border-bottom:1px solid var(--ink);
  text-decoration:none;
}
.cat-row:hover{background:linear-gradient(to right,transparent,var(--accent-soft))}
.cat-num{font-family:Georgia,serif;font-size:14px;color:var(--muted)}
.cat-name{font-family:Didot,Georgia,serif;font-size:clamp(26px,3.4vw,46px);line-height:1;margin:0}
.cat-name small{display:block;font-family:Helvetica,Arial,sans-serif;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-top:8px}
.cat-thumb{width:100%;height:150px;object-fit:contain;border:1px solid var(--ink);filter:saturate(.92)}
.cat-link{font-size:12px;letter-spacing:.18em;text-transform:uppercase;text-align:right}
.cat-link i{display:inline-block;border:1px solid var(--ink);width:44px;height:44px;line-height:44px;text-align:center;border-radius:50%;font-style:normal;margin-top:10px;transition:background .2s,color .2s}
.cat-row:hover .cat-link i{background:var(--ink);color:#fff}

/* Featured mosaic */
.mosaic{display:grid;grid-template-columns:1.2fr .8fr .8fr;grid-auto-rows:260px 260px;gap:16px}
.mosaic figure{margin:0;position:relative;overflow:hidden;border:1px solid var(--ink);background:#fff}
.mosaic figure:first-child{grid-row:span 2}
.mosaic img{width:100%;height:100%;object-fit:contain;transition:transform .5s ease}
.mosaic figure:hover img{transform:scale(1.04)}
.mosaic figcaption{
  position:absolute;left:0;right:0;bottom:0;
  display:flex;justify-content:space-between;gap:10px;
  background:rgba(250,248,244,.95);border-top:1px solid var(--ink);
  padding:10px 12px;font-size:12px;letter-spacing:.1em;text-transform:uppercase;
}

/* Split editorial */
.split{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--ink);background:#fff}
.split-media{background:var(--paper-2);min-height:420px}
.split-media img{width:100%;height:100%;min-height:420px;object-fit:cover}
.split-copy{padding:56px 48px}
.split-copy h3{font-family:Didot,Georgia,serif;font-weight:400;font-size:clamp(28px,3vw,42px);line-height:1.05;margin:0 0 18px}
.checklist{list-style:none;margin:26px 0;padding:0;border-top:1px solid var(--line)}
.checklist li{padding:14px 0;border-bottom:1px solid var(--line);display:flex;gap:14px;font-size:15px}
.checklist li::before{content:"—";color:var(--accent)}

/* Products page layouts */
.catalog-block{border-top:1px solid var(--ink);padding:56px 0}
.catalog-title{display:grid;grid-template-columns:120px 1fr auto;gap:20px;align-items:baseline;margin-bottom:28px}
.catalog-title .n{font-family:Georgia,serif;font-size:14px;color:var(--accent);letter-spacing:.2em}
.catalog-title h3{font-family:Didot,Georgia,serif;font-weight:400;font-size:clamp(30px,3.6vw,52px);margin:0;line-height:1}
.catalog-title p{margin:0;color:var(--muted);max-width:34ch;font-size:14px}

/* 01 large feature + smaller */
.feat-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:16px}
.feat-main{border:1px solid var(--ink);background:#fff;overflow:hidden}
.feat-main img{width:100%;height:520px;object-fit:cover}
.feat-side{display:grid;grid-template-rows:1fr 1fr;gap:16px}
.mini{border:1px solid var(--ink);background:#fff;display:grid;grid-template-columns:1fr 1fr;overflow:hidden}
.mini img{width:100%;height:100%;min-height:252px;object-fit:cover}
.mini div{padding:20px;display:flex;flex-direction:column;justify-content:center}
.mini h4{margin:0 0 8px;font-size:18px;font-family:Georgia,serif;font-weight:400}
.mini p{margin:0;font-size:13px;color:var(--muted);letter-spacing:.08em;text-transform:uppercase}

/* 02 two-column */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.product-card{border:1px solid var(--ink);background:#fff}
.product-card img{width:100%;height:420px;object-fit:cover;border-bottom:1px solid var(--ink)}
.product-card .pc-body{display:flex;justify-content:space-between;gap:12px;padding:16px 18px}
.product-card h4{margin:0;font-family:Georgia,serif;font-weight:400;font-size:20px}
.product-card span{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}

/* 03 asymmetric */
.asym{display:grid;grid-template-columns:.9fr 1.1fr .9fr;gap:16px;align-items:start}
.asym figure{margin:0;border:1px solid var(--ink);background:#fff}
.asym figure:nth-child(2){margin-top:56px}
.asym figure:nth-child(3){margin-top:112px}
.asym img{width:100%;height:360px;object-fit:cover;border-bottom:1px solid var(--ink)}
.asym figure:nth-child(2) img{height:460px}
.asym figcaption{padding:14px 16px;font-size:13px;letter-spacing:.1em;text-transform:uppercase;display:flex;justify-content:space-between}

/* 04 clean catalog grid */
.clean-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--ink);background:#fff}
.clean-grid figure{margin:0;padding:18px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.clean-grid figure:nth-child(3n){border-right:0}
.clean-grid img{width:100%;height:300px;object-fit:cover;border:1px solid var(--line)}
.clean-grid figcaption{padding-top:12px}
.clean-grid h4{margin:0 0 4px;font-size:16px}
.clean-grid p{margin:0;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.file-note{font-size:12px;color:var(--muted);letter-spacing:.06em;margin-top:14px}

/* About */
.about-hero{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:end;padding:72px 0 48px}
.about-hero h1{font-family:Didot,Georgia,serif;font-weight:400;font-size:clamp(40px,5.4vw,72px);line-height:.95;margin:0}
.about-hero p.lead{font-size:19px;max-width:46ch}
.about-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;margin:24px 0 0}
.about-grid figure{margin:0;border:1px solid var(--ink);background:#fff}
.about-grid img{width:100%;height:340px;object-fit:cover;border-bottom:1px solid var(--ink)}
.about-grid figcaption{padding:12px 14px;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.values{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--ink);background:#fff;margin-top:16px}
.values div{padding:24px;border-right:1px solid var(--line)}
.values div:last-child{border-right:0}
.values strong{display:block;font-size:13px;letter-spacing:.16em;text-transform:uppercase;margin-bottom:10px}
.values p{margin:0;font-size:14px;color:var(--muted)}

/* Contact */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:0;border:1px solid var(--ink);background:#fff;margin-top:32px}
.contact-info{padding:48px;background:var(--ink);color:#EDE7DA}
.contact-info h3{font-family:Didot,Georgia,serif;font-weight:400;font-size:32px;margin:0 0 16px}
.contact-info dl{margin:28px 0;display:grid;gap:20px}
.contact-info dt{font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:#B9B0A0}
.contact-info dd{margin:4px 0 0;font-size:16px}
.contact-info a{color:#fff;text-decoration:none;border-bottom:1px solid #555}
.form{padding:48px}
.form label{display:block;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin:18px 0 8px}
.form input,.form textarea{
  width:100%;border:1px solid var(--ink);background:var(--paper);
  padding:14px;font-size:15px;font-family:inherit;color:var(--ink);
}
.form textarea{min-height:140px;resize:vertical}
.form button{margin-top:22px;width:100%;cursor:pointer}

/* Footer */
footer{background:var(--ink);color:#E8E1D3;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:32px;padding:56px 32px;max-width:var(--max);margin:0 auto}
.footer-brand img{width:56px;height:56px;object-fit:contain;background:#fff;border:1px solid #333;margin-bottom:16px}
.footer-brand p{color:#B9B0A0;font-size:14px;max-width:38ch}
footer h5{font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:#B9B0A0;margin:0 0 16px}
footer nav a{display:block;color:#E8E1D3;text-decoration:none;padding:7px 0;font-size:15px}
footer nav a:hover{text-decoration:underline}
.footer-bottom{border-top:1px solid #333;padding:18px 32px;max-width:var(--max);margin:0 auto;display:flex;justify-content:space-between;gap:12px;font-size:12px;letter-spacing:.08em;color:#B9B0A0;flex-wrap:wrap}

/* Page hero generic */
.page-hero{border-bottom:1px solid var(--ink);padding:64px 0 40px}
.page-hero h1{font-family:Didot,Georgia,serif;font-weight:400;font-size:clamp(38px,5vw,68px);line-height:.95;margin:12px 0 14px}
.page-hero p{color:var(--muted);max-width:68ch;margin:0}
.crumbs{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.crumbs a{text-decoration:none}.crumbs a:hover{color:var(--ink)}

/* Responsive */
@media(max-width:1000px){
  .hero-grid,.split,.about-hero,.contact-grid{grid-template-columns:1fr}
  .hero-copy{padding:48px 32px;max-width:none;justify-self:stretch}
  .hero-media{border-left:0;border-top:1px solid var(--ink);min-height:360px}
  .hero-media img{position:relative;height:360px}
  .cat-row{grid-template-columns:56px 1fr;grid-template-areas:"num name" "num thumb" "num link"}
  .cat-num{grid-row:span 3}
  .cat-thumb{max-width:420px;height:180px}
  .cat-link{text-align:left}
  .mosaic{grid-template-columns:1fr 1fr;grid-auto-rows:240px}
  .feat-grid,.two-col{grid-template-columns:1fr}
  .feat-main img{height:380px}
  .asym{grid-template-columns:1fr 1fr}
  .asym figure:nth-child(3){margin-top:0;grid-column:span 2}
  .clean-grid{grid-template-columns:1fr 1fr}
  .clean-grid figure:nth-child(3n){border-right:1px solid var(--line)}
  .clean-grid figure:nth-child(2n){border-right:0}
  .values{grid-template-columns:1fr 1fr}
  .values div:nth-child(2n){border-right:0}
  .values div{border-bottom:1px solid var(--line)}
  .about-grid{grid-template-columns:1fr 1fr}
  .nav-desktop{display:none}
  .hamburger{display:block}
  .section-head{flex-direction:column;align-items:flex-start}
  .section-head p{text-align:left}
}
@media(max-width:640px){
  .wrap{padding:0 18px}
  .header-inner{padding:12px 18px}
  .section{padding:56px 0}
  .mosaic{grid-template-columns:1fr;grid-auto-rows:280px}
  .mosaic figure:first-child{grid-row:span 1}
  .asym{grid-template-columns:1fr}
  .asym figure:nth-child(2),.asym figure:nth-child(3){margin-top:0}
  .clean-grid{grid-template-columns:1fr}
  .clean-grid figure{border-right:0 !important}
  .about-grid{grid-template-columns:1fr}
  .values{grid-template-columns:1fr}
  .values div{border-right:0}
  .split-copy,.form,.contact-info{padding:28px 22px}
  .hero-meta{grid-template-columns:1fr}
  .hero-meta div{border-right:0;border-bottom:1px solid var(--line);padding-bottom:12px}
  .catalog-title{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;padding:40px 18px}
  .topbar .wrap{flex-direction:column;gap:2px}
}

/* Form result */
.alert{border:1px solid var(--ink);background:#fff;padding:28px 30px;margin:8px 0 0}
.alert h2{font-family:Didot,Georgia,serif;font-weight:400;font-size:clamp(24px,3vw,32px);margin:0 0 10px;line-height:1.1}
.alert p{margin:0;color:var(--muted)}
.alert-success{border-left:6px solid #2E7D32}
.alert-error{border-left:6px solid #B3261E}
.error-list{margin:10px 0 0;padding-left:20px;color:var(--ink)}