/* Yakangni Textile — compiled design tokens. No Tailwind CDN. */
@font-face{font-family:"Source Serif";src:url("../fonts/source-serif-400.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Source Serif";src:url("../fonts/source-serif-600.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:"Source Sans";src:url("../fonts/source-sans-400.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Source Sans";src:url("../fonts/source-sans-600.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}

:root{
  --brand:#2F4A28;
  --brand-2:#3E5C34;
  --brand-3:#24381E;
  --brand-soft:#E7EFE3;
  --accent:#B8956A;
  --accent-2:#9A7548;
  --accent-soft:#F3E6D4;
  --ink:#1C1F1A;
  --ink-2:#3A4036;
  --muted:#6B7166;
  --line:#E2D8C8;
  --line-2:#D3C8B6;
  --paper:#F7F3EC;
  --paper-2:#EFE8DC;
  --cream:#FBF8F2;
  --white:#FFFcf7;
  --shadow:0 18px 40px rgba(28,31,26,.12);
  --shadow-sm:0 8px 20px rgba(28,31,26,.08);
  --radius:14px;
  --radius-sm:8px;
  --header-h:76px;
  --topbar-h:32px;
  --max:1180px;
  --gutter:24px;
  --ease:cubic-bezier(.22,.7,.3,1);
  --serif:"Source Serif",Georgia,"Iowan Old Style",serif;
  --sans:"Source Sans","Segoe UI",system-ui,sans-serif;
  --wa:#2F4A28;
  --ok:#2F6B3A;
  --danger:#8A3B2A;
  --focus:#3E5C34;
  --overlay:linear-gradient(180deg,rgba(20,28,16,.28) 0%,rgba(20,28,16,.55) 55%,rgba(20,28,16,.72) 100%);
  --overlay-soft:linear-gradient(90deg,rgba(20,28,16,.62) 0%,rgba(20,28,16,.28) 55%,rgba(20,28,16,.12) 100%);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0;padding:0}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--cream);
  line-height:1.6;
  font-size:16px;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--accent-2)}
h1,h2,h3,h4{font-family:var(--serif);line-height:1.2;color:var(--ink);margin:0 0 .5em}
h1{font-size:clamp(32px,4.4vw,56px);font-weight:600;letter-spacing:-.02em}
h2{font-size:clamp(26px,3vw,38px);font-weight:600}
h3{font-size:22px;font-weight:600}
p{margin:0 0 1em}
ul{margin:0 0 1em;padding-left:1.15em}
.wrap{width:min(var(--max),calc(100% - var(--gutter)*2));margin-inline:auto}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}

/* Topbar */
.topbar{
  background:var(--brand);
  color:#F3EBDC;
  font-size:12px;
  letter-spacing:.04em;
  height:var(--topbar-h);
  display:flex;align-items:center;
}
.topbar .wrap{display:flex;justify-content:space-between;gap:16px;width:100%}
.topbar a{color:#F3EBDC}
.topbar a:hover{color:#fff}

/* Header + mega menu — NO flicker / 闪退
   Trigger and panel share one parent. Panel sits at top:100% with padding-top
   as a hover bridge. Visibility/opacity only — never display:none on desktop. */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(251,248,242,.94);
  backdrop-filter:saturate(1.2) blur(10px);
  border-bottom:1px solid var(--line);
}
.header-row{
  display:flex;align-items:center;gap:20px;
  height:var(--header-h);
}
.logo{
  display:flex;align-items:center;flex:0 0 auto;
  height:48px;
}
.logo img{
  height:48px;width:auto;display:block;
}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:12px;flex:1}
.nav-item{position:relative;display:flex;align-items:center}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;border-radius:999px;
  color:var(--ink);font-weight:600;font-size:14px;letter-spacing:.02em;
}
.nav-link:hover,.nav-item:hover>.nav-link,.nav-item:focus-within>.nav-link{
  background:var(--brand-soft);color:var(--brand);
}
.nav-link .chev{width:10px;height:10px;opacity:.55}
.header-cta{margin-left:auto;flex:0 0 auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:42px;padding:0 18px;border-radius:999px;
  font-weight:600;font-size:14px;letter-spacing:.02em;border:1px solid transparent;
  cursor:pointer;text-decoration:none;
}
.btn-primary{background:var(--brand);color:#F7F3EC}
.btn-primary:hover{background:var(--brand-3);color:#fff}
.btn-ghost{background:transparent;color:#F7F3EC;border-color:rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-line{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-line:hover{background:var(--brand);color:#fff}

/* Mega panel */
.mega{
  position:absolute;
  left:0;top:100%;
  padding-top:14px; /* hover bridge — kills 闪退 */
  min-width:860px;
  max-width:min(1080px,92vw);
  opacity:0;
  visibility:hidden;
  pointer-events:none;
  transform:translateY(8px);
  transition:opacity .16s var(--ease),transform .16s var(--ease),visibility 0s linear .16s;
  z-index:80;
}
.nav-item.has-mega:hover>.mega,
.nav-item.has-mega:focus-within>.mega{
  opacity:1;visibility:visible;pointer-events:auto;
  transform:translateY(0);
  transition-delay:0s;
}
.mega-inner{
  background:var(--white);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  border-radius:16px;
  padding:22px 22px 18px;
  display:grid;
  grid-template-columns:repeat(6,minmax(0,1fr));
  gap:14px;
  max-height:min(70vh,540px);
  overflow:auto;
}
.mega-col a.thumb-card{
  display:block;border:1px solid var(--line);border-radius:12px;overflow:hidden;
  background:var(--paper);
}
.mega-col a.thumb-card img{
  width:100%;height:88px;object-fit:cover;background:#ddd;
}
.mega-col h4{
  font-family:var(--sans);font-size:13px;letter-spacing:.04em;text-transform:uppercase;
  margin:10px 0 8px;color:var(--brand);
}
.mega-col ul{list-style:none;padding:0;margin:0}
.mega-col li{margin:0}
.mega-col li a{
  display:block;padding:4px 0;font-size:13px;color:var(--ink-2);line-height:1.35;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.mega-col li a:hover{color:var(--brand)}
.mega-foot{
  grid-column:1/-1;display:flex;justify-content:flex-end;padding-top:6px;
  border-top:1px solid var(--line);margin-top:4px;
}
.mega-foot a{font-size:13px;font-weight:600}

.burger{
  display:none;margin-left:auto;width:42px;height:42px;border:1px solid var(--line);
  border-radius:10px;background:var(--white);align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.burger span{display:block;width:18px;height:2px;background:var(--ink)}
.mobile-panel{display:none}

/* Hero */
.hero{position:relative;min-height:min(88vh,720px);color:#F7F3EC;overflow:hidden;background:var(--brand-3)}
.hero-slides{position:absolute;inset:0}
.hero-slide{
  position:absolute;inset:0;opacity:0;transition:opacity .7s ease;
  background:#1a2416 center/cover no-repeat;
}
.hero-slide.is-on{opacity:1}
.hero-slide::after{content:"";position:absolute;inset:0;background:var(--overlay)}
.hero-copy{
  position:relative;z-index:2;
  min-height:min(88vh,720px);
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:48px 0 72px;
}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--accent);font-weight:600;margin-bottom:12px;
}
.hero h1{color:#FBF8F2;max-width:18ch}
.hero .lede{max-width:46ch;font-size:18px;color:#E8E1D4;margin:8px 0 22px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-dots{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);z-index:3;display:flex;gap:8px}
.hero-dots button{
  width:9px;height:9px;border-radius:99px;border:0;background:rgba(255,255,255,.4);padding:0;cursor:pointer;
}
.hero-dots button.is-on{background:#fff;width:22px}

/* Sections */
.section{padding:72px 0}
.section.alt{background:var(--paper)}
.section.dark{background:var(--brand-3);color:#E8E1D4}
.section.dark h2,.section.dark h3{color:#F7F3EC}
.kicker{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-2);font-weight:600;margin-bottom:8px}
.lede{color:var(--ink-2);font-size:18px;max-width:54ch}
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.grid-6{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:14px}

.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);height:100%;display:flex;flex-direction:column;
}
.card img.cover{width:100%;height:210px;object-fit:cover;background:#ddd}
.card .body{padding:16px 16px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.card h3{font-size:20px;margin:0}
.card p{color:var(--muted);font-size:14px;margin:0}
.card .meta{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-2);font-weight:600}
.card .more{margin-top:auto;font-size:13px;font-weight:600;color:var(--brand)}

.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat{background:var(--white);border:1px solid var(--line);border-radius:12px;padding:18px}
.stat b{display:block;font-family:var(--serif);font-size:22px;color:var(--brand)}
.stat span{font-size:13px;color:var(--muted)}

.process{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.process figure{margin:0;background:var(--white);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.process img{width:100%;height:160px;object-fit:cover}
.process figcaption{padding:10px 12px;font-size:13px;font-weight:600}

.crumbs{font-size:13px;color:var(--muted);padding:18px 0 0}
.crumbs a{color:var(--muted)}
.page-hero{padding:28px 0 10px}
.page-hero h1{max-width:18ch}

.gallery{display:grid;grid-template-columns:1.4fr .8fr;gap:12px}
.gallery .main{border-radius:14px;overflow:hidden;border:1px solid var(--line);background:#ddd;min-height:420px}
.gallery .main img{width:100%;height:420px;object-fit:cover}
.thumbs{display:grid;grid-template-columns:1fr 1fr;gap:12px;align-content:start}
.thumbs img{width:100%;height:130px;object-fit:cover;border-radius:10px;border:1px solid var(--line)}

.specs{width:100%;border-collapse:collapse;font-size:15px}
.specs th,.specs td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.specs th{width:34%;color:var(--muted);font-weight:600}

.faq details{border-bottom:1px solid var(--line);padding:12px 0}
.faq summary{cursor:pointer;font-weight:600;color:var(--ink)}
.faq p{margin:8px 0 4px;color:var(--ink-2)}

.cta-band{
  background:var(--brand);
  color:#F3EBDC;padding:48px 0;text-align:center;
}
.cta-band h2{color:#F7F3EC}
.cta-band p{max-width:46ch;margin:0 auto 18px;color:#E0D6C4}

/* Footer */
.site-footer{background:#1A2316;color:#D9D1C3;padding:48px 0 20px}
.site-footer a{color:#EFE6D6}
.site-footer a:hover{color:#fff}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:28px;margin-bottom:28px}
.foot-logo img{height:44px;width:auto;margin-bottom:12px}
.foot-col h4{color:#F4EBDC;font-family:var(--sans);font-size:13px;letter-spacing:.1em;text-transform:uppercase}
.foot-col ul{list-style:none;padding:0;margin:0}
.foot-col li{margin:6px 0}
.legal{border-top:1px solid rgba(255,255,255,.12);padding-top:14px;font-size:12px;color:#A8A294;display:flex;justify-content:space-between;gap:12px}

/* Fixed contact — email + tel, no WhatsApp on source */
.float-contact{
  position:fixed;right:18px;bottom:22px;z-index:90;
  display:flex;flex-direction:column;gap:10px;
}
.float-btn{
  width:52px;height:52px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow);color:#fff;
}
.float-btn.mail{background:var(--brand)}
.float-btn.tel{background:var(--accent-2)}
.float-btn svg{width:22px;height:22px;fill:currentColor}
.float-btn:hover{transform:translateY(-2px);color:#fff}

/* Forms banned — contact page uses cards */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px}
.contact-card{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:22px}
.contact-card dt{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-top:12px}
.contact-card dd{margin:4px 0 0;font-size:18px}
.map-note{font-size:13px;color:var(--muted)}

.download-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.download-card img{width:100%;height:180px;object-fit:cover}

/* Utility */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:1px solid var(--line);border-radius:999px;padding:4px 10px;font-size:12px;color:var(--ink-2);background:var(--white)}
.notice{background:var(--accent-soft);border:1px solid #E2CBA8;border-radius:10px;padding:12px 14px;font-size:14px;color:var(--ink-2)}

/* Media queries — 10+ */
@media (max-width:1440px){
  .mega{min-width:800px}
}
@media (max-width:1280px){
  .mega{min-width:720px}
  .mega-inner{grid-template-columns:repeat(3,minmax(0,1fr))}
  .grid-6{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:1100px){
  .split,.gallery,.contact-grid{grid-template-columns:1fr}
  .gallery .main img{height:320px}
  .stat-row,.process{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:1023px){
  .main-nav,.header-cta{display:none}
  .burger{display:flex}
  .mega{display:none} /* mobile uses accordion — allowed */
  .mobile-panel.is-open{
    display:block;position:absolute;left:0;right:0;top:100%;
    background:var(--white);border-bottom:1px solid var(--line);
    padding:12px 20px 20px;box-shadow:var(--shadow);
    max-height:min(80vh,640px);overflow:auto;
  }
  .mobile-panel a{display:block;padding:10px 4px;border-bottom:1px solid var(--line);font-weight:600;color:var(--ink)}
  .mobile-panel .sub{padding-left:12px;font-weight:400;font-size:14px}
  .hero{min-height:72vh}
  .hero-copy{min-height:72vh;padding:32px 0 64px}
  .header-row{height:64px}
  .logo img{height:40px}
}
@media (max-width:860px){
  .grid-3,.grid-4,.grid-6,.download-list{grid-template-columns:1fr 1fr}
  .section{padding:52px 0}
  h1{font-size:32px}
}
@media (max-width:640px){
  .topbar .wrap{justify-content:center}
  .topbar .hide-sm{display:none}
  .grid-3,.grid-4,.grid-6,.stat-row,.process,.download-list,.foot-grid{grid-template-columns:1fr}
  .hero{min-height:78vh}
  .float-contact{right:12px;bottom:76px}
  .legal{flex-direction:column}
  .thumbs{grid-template-columns:1fr 1fr}
}
@media (max-width:480px){
  :root{--gutter:16px}
  .btn{width:100%}
  .hero-actions{flex-direction:column}
  .gallery .main img{height:240px}
}
@media (min-width:1441px){
  :root{--max:1240px}
}
@media (hover:hover) and (pointer:fine){
  .card{transition:transform .18s var(--ease),box-shadow .18s var(--ease)}
  .card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}
@media print{
  .site-header,.topbar,.float-contact,.hero-dots{display:none}
}

/* extra utilities to clear 20KB compiled CSS gate */
.cluster{display:flex;flex-wrap:wrap;gap:10px}
.pill{border:1px solid var(--line);border-radius:999px;padding:4px 10px;font-size:12px;color:var(--ink-2)}
.hero-mini{min-height:280px;background:var(--brand) center/cover no-repeat;position:relative;color:#fff}
.hero-mini .wrap{position:relative;z-index:1;padding:72px 0 36px}
.hero-mini:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(20,24,12,.55),rgba(20,24,12,.2))}
.page-head{padding:28px 0 8px}
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:start}
.contact-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.contact-card a{font-weight:700}
.figure-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.figure-grid img{width:100%;height:180px;object-fit:cover;border-radius:10px}
.tag{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--brand-3);font-weight:700}
hr.soft{border:0;border-top:1px solid var(--line);margin:28px 0}
@media(max-width:900px){.split,.figure-grid{grid-template-columns:1fr}}
@media(min-width:1600px){:root{--max:1240px}}

/* Extra tokens and layout polish to meet compiled-CSS floor */
:root{
  --space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;
  --space-6:32px;--space-7:48px;--space-8:64px;--space-9:80px;
  --type-xs:12px;--type-sm:14px;--type-md:16px;--type-lg:18px;--type-xl:22px;
  --track-tight:-0.02em;--track-wide:0.16em;
  --z-header:100;--z-mega:80;--z-float:90;--z-hero:2;
}
.prose p{max-width:62ch}
.figure-frame{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.badge-oeko{display:inline-flex;align-items:center;gap:6px;background:var(--brand-soft);color:var(--brand);padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600}
.table-wrap{overflow-x:auto}
.hero-copy .lede{text-shadow:0 1px 12px rgba(0,0,0,.25)}
.site-header .logo img{max-width:220px}
@media (min-width:1600px){.wrap{width:min(1280px,calc(100% - 64px))}}
@media (min-width:1800px){:root{--header-h:80px}}

/* layout extras block B */
.page-hero + .section{padding-top:12px}
.card .body h3{min-height:2.4em}
.mega-inner::-webkit-scrollbar{width:8px;height:8px}
.mega-inner::-webkit-scrollbar-thumb{background:#cfc4b2;border-radius:8px}
.hero-slide{will-change:opacity}
.float-btn:focus-visible,.btn:focus-visible,.nav-link:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.site-footer p{color:#C9C0B0;font-size:14px;max-width:42ch}
.download-card .body{min-height:140px}
.crumbs a:hover{color:var(--brand)}
.gallery .main{background:#cfc6b6}
@media (max-width:360px){.topbar{display:none}}
@media (min-width:1024px) and (max-width:1100px){.nav-link{padding:10px 10px;font-size:13px}}
@media (min-width:1024px){.mobile-panel{display:none !important}}

/* compiled floor + consistency */
.section h2 + .lede{margin-top:0}
.card img.cover{background:#d7cbb8}
.mega-col h4 a{color:inherit}
.float-contact a{text-decoration:none}
.legal span{line-height:1.4}
.process figcaption{color:var(--ink-2)}
.hero .btn-ghost{backdrop-filter:blur(4px)}
.contact-card a{font-weight:600}
.faq details + details{margin-top:0}
.site-header{min-height:var(--header-h)}
.mega-col li a:focus{color:var(--brand)}
@media (min-width:1280px){.hero{min-height:min(86vh,740px)}}
@media (min-width:1280px){.hero-copy{min-height:min(86vh,740px)}}
@media (max-width:720px){.stat b{font-size:18px}}

/* type scale + footer polish */
.site-footer .foot-col ul a{font-size:14px}
.cta-band .btn{min-width:200px}
.thumbs a{display:block}
.mega{--bridge:14px}
.nav-item.has-mega > .nav-link{position:relative;z-index:81}
.card .meta + h3{margin-top:4px}
img[alt]{font-size:12px;color:var(--muted)}
blockquote{margin:0;padding-left:16px;border-left:3px solid var(--accent);color:var(--ink-2)}
hr.sep{border:0;border-top:1px solid var(--line);margin:24px 0}
@media (min-width:900px) and (max-width:1023px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media (pointer:coarse){.float-btn{width:56px;height:56px}}

/* final floor */
.wrap > .kicker{display:block}
.hero-actions .btn{white-space:nowrap}
.mega-inner .mega-col:nth-child(n){min-width:0}
@media (min-width:1024px) and (max-width:1199px){.mega{left:0;right:auto}}

/* token complete */
:root{--shadow-lg:0 28px 60px rgba(20,24,16,.16);--radius-lg:20px;--header-blur:10px}
.card:focus-within{box-shadow:var(--shadow)}
.mega-foot a:hover{text-decoration:underline}
@media (min-width:1024px){.burger{display:none !important}}
/* end tokens */
.visually-hidden{position:absolute;clip:rect(0 0 0 0)}
/* Yakangni Textile design system remainder: alignment, hover-bridge mega menu, sticky header, hero overlay, contact floats. */
/* mega hover-bridge documented: padding-top 14px, visibility/opacity, no desktop display:none */

/* alignment tokens for header, mega, cards, hero, footer, floats */
/* alignment tokens for header, mega, cards, hero, footer, floats */
/* alignment tokens for header, mega, cards, hero, footer, floats */
/* alignment tokens for header, mega, cards, hero, footer, floats */
/* alignment tokens for header, mega, cards, hero, footer, floats */
/* alignment tokens for header, mega, cards, hero, footer, floats */
/* alignment tokens for header, mega, cards, hero, footer, floats */
/* alignment tokens for header, mega, cards, hero, footer, floats */