:root{
  --bg:#fbfaf6;
  --paper:#ffffff;
  --ink:#1d2428;
  --muted:#5d6770;
  --line:#e5dccd;
  --soft:#f2eadf;
  --soft2:#ede4d7;
  --brand:#2f4d43;
  --brand-dark:#203930;
  --gold:#a9895b;
  --sand:#d8c4a1;
  --danger:#8a3d2e;
  --radius:22px;
  --shadow:0 22px 70px rgba(29,36,40,.09);
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--ink);
  background:var(--bg);
  font-family:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, "Noto Sans", sans-serif;
  line-height:1.62;
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%;height:auto}
.container{max-width:var(--max);margin:0 auto;padding:0 22px}
.skip{position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip:focus{left:20px;top:20px;width:auto;height:auto;background:#fff;border:2px solid var(--brand);padding:10px 14px;border-radius:12px;z-index:100}
.topbar{background:var(--brand-dark);color:#fff;font-size:13px;padding:8px 0}
.topbar .container{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}
.topbar a{text-decoration:underline;text-underline-offset:3px}
.header{
  position:sticky;top:0;z-index:40;
  background:rgba(251,250,246,.93);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(12px);
}
.nav{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:flex;align-items:center;gap:12px;font-weight:850;letter-spacing:-.02em}
.logo-mark{
  width:40px;height:40px;border-radius:14px;display:grid;place-items:center;
  color:#fff;background:linear-gradient(135deg,var(--brand),var(--gold));
  box-shadow:0 14px 30px rgba(47,77,67,.18);
}
.menu{display:flex;align-items:center;gap:24px;font-size:15px;color:var(--muted)}
.menu a:hover{color:var(--brand)}
.nav-actions{display:flex;align-items:center;gap:10px}
.lang{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 12px;color:var(--muted);font-size:14px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 18px;border-radius:999px;border:1px solid transparent;
  font-weight:780;letter-spacing:-.01em;cursor:pointer;transition:.16s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 12px 30px rgba(47,77,67,.22)}
.btn-secondary{background:#fff;color:var(--brand);border-color:var(--line)}
.btn-soft{background:var(--soft);color:var(--brand);border-color:var(--line)}
.mobile-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:14px;padding:10px 12px;font-size:20px}
.hero{
  padding:74px 0 58px;
  background:
    radial-gradient(circle at 90% 8%, rgba(169,137,91,.24), transparent 32%),
    radial-gradient(circle at 12% 10%, rgba(47,77,67,.13), transparent 30%),
    linear-gradient(180deg,#fbfaf6 0%,#f5efe6 100%);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:#edf3ef;color:var(--brand);border:1px solid #dce8df;
  border-radius:999px;padding:8px 13px;font-size:14px;font-weight:780;margin-bottom:20px;
}
h1,h2,h3{line-height:1.1;margin:0 0 16px;letter-spacing:-.04em}
h1{font-size:clamp(42px,6.2vw,74px)}
h2{font-size:clamp(31px,4vw,50px)}
h3{font-size:22px}
.lead{font-size:19px;color:var(--muted);max-width:720px;margin:0 0 25px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:30px}
.stat{background:rgba(255,255,255,.7);border:1px solid var(--line);border-radius:18px;padding:16px}
.stat strong{display:block;font-size:20px}
.stat span{display:block;color:var(--muted);font-size:14px}
.hero-panel{
  background:#fff;border:1px solid var(--line);border-radius:34px;box-shadow:var(--shadow);overflow:hidden;
}
.hero-panel-top{padding:22px 24px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;align-items:center}
.badge{display:inline-flex;border:1px solid var(--line);background:var(--soft);border-radius:999px;padding:6px 10px;color:var(--brand);font-size:13px;font-weight:750}
.material-board{
  min-height:405px;padding:28px;background:linear-gradient(135deg,#f7f2e9,#e7dccd);
  display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:stretch;
}
.swatch{
  border:1px solid rgba(47,77,67,.14);border-radius:22px;background:#fff;box-shadow:0 16px 34px rgba(29,36,40,.08);
  padding:16px;display:grid;align-content:end;min-height:166px;overflow:hidden;position:relative;
}
.swatch:before{content:"";position:absolute;inset:16px;border-radius:16px;background:linear-gradient(135deg,#fff,#d8c4a1)}
.swatch:nth-child(2):before{background:linear-gradient(135deg,#f8f6f0,#cfd8cb)}
.swatch:nth-child(3):before{background:linear-gradient(135deg,#fbfaf6,#c9b79e)}
.swatch:nth-child(4):before{background:linear-gradient(135deg,#fff,#e2dfd7)}
.swatch span{position:relative;font-size:13px;color:var(--muted);background:rgba(255,255,255,.86);border:1px solid var(--line);border-radius:999px;padding:6px 9px;width:max-content}
.section{padding:78px 0}
.section.alt{background:#f5efe6}
.section-head{max-width:780px;margin-bottom:34px}
.kicker{color:var(--gold);text-transform:uppercase;font-weight:850;letter-spacing:.12em;font-size:12px;margin-bottom:12px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;box-shadow:0 10px 34px rgba(29,36,40,.05)
}
.card p{color:var(--muted);margin:0}
.icon{
  width:46px;height:46px;border-radius:15px;background:var(--soft);display:grid;place-items:center;
  color:var(--brand);font-weight:900;margin-bottom:18px
}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.product{
  background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:0 14px 38px rgba(29,36,40,.06);
  display:flex;flex-direction:column;
}
.product-visual{aspect-ratio:4/3;background:#f6f1e8;display:grid;place-items:center}
.product-body{padding:22px;display:flex;flex-direction:column;flex:1}
.product-body h3{margin-bottom:8px}
.product-body p{color:var(--muted);margin:0}
.specs{list-style:none;margin:16px 0 20px;padding:0;display:grid;gap:7px;color:var(--muted);font-size:14px}
.specs li{padding-left:18px;position:relative}
.specs li:before{content:"";width:6px;height:6px;border-radius:999px;background:var(--gold);position:absolute;left:0;top:.68em}
.product-actions{margin-top:auto;display:flex;gap:10px;flex-wrap:wrap}
.share-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.share-btn{
  appearance:none;border:1px solid var(--line);background:#fff;color:var(--brand);border-radius:999px;
  padding:8px 11px;font:inherit;font-weight:780;font-size:13px;cursor:pointer
}
.share-btn:hover{background:var(--soft)}
.share-status{min-height:18px;font-size:13px;color:var(--muted);margin-top:8px}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:20px;background:#fff}
table{width:100%;border-collapse:collapse;min-width:720px}
th,td{text-align:left;padding:16px 18px;border-bottom:1px solid var(--line)}
th{background:var(--soft);color:var(--ink)}
td{color:var(--muted)}
.process{counter-reset:step;display:grid;gap:14px}
.process-item{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px}
.process-item:before{counter-increment:step;content:counter(step);width:38px;height:38px;border-radius:14px;display:grid;place-items:center;background:var(--brand);color:#fff;font-weight:850}
.cta{
  background:linear-gradient(135deg,var(--brand-dark),var(--brand));color:#fff;border-radius:34px;padding:44px;
  display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center;box-shadow:var(--shadow)
}
.cta p{color:rgba(255,255,255,.75);margin:0}
.cta .btn-secondary{background:#fff;color:var(--brand-dark)}
.form{display:grid;gap:14px;background:#fff;border:1px solid var(--line);border-radius:26px;padding:24px}
label{display:grid;gap:6px;font-weight:780;color:var(--ink)}
input,textarea,select{
  width:100%;border:1px solid var(--line);border-radius:15px;background:#fff;padding:13px 14px;font:inherit;color:var(--ink)
}
textarea{min-height:136px;resize:vertical}
.note{font-size:14px;color:var(--muted)}
.alert{background:#fff;border-left:4px solid var(--gold);border-radius:16px;padding:16px 18px;color:var(--muted)}
.page-hero{padding:58px 0;background:linear-gradient(135deg,#f6f1e8,#fbfaf6)}
.breadcrumb{font-size:14px;color:var(--muted);margin-bottom:14px}
.breadcrumb a{text-decoration:underline;text-underline-offset:3px}
.footer{background:#141b1f;color:#fff;padding:44px 0}
.footer-grid{display:grid;grid-template-columns:1.25fr .75fr .75fr .75fr;gap:26px}
.footer p,.footer a,.footer li{color:rgba(255,255,255,.72)}
.footer h4{margin:0 0 12px}
.footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.social-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.social-link{border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.82);border-radius:999px;padding:8px 11px;font-size:14px}
.social-link:hover{color:#fff;border-color:rgba(255,255,255,.42)}
.subfooter{border-top:1px solid rgba(255,255,255,.12);margin-top:30px;padding-top:20px;color:rgba(255,255,255,.55);font-size:14px}
.floating-contact{position:fixed;right:18px;bottom:18px;z-index:70;display:grid;gap:10px}
.float-btn{
  min-width:54px;height:54px;border-radius:999px;border:1px solid rgba(255,255,255,.46);
  box-shadow:0 16px 45px rgba(29,36,40,.2);display:inline-flex;align-items:center;justify-content:center;
  padding:0 16px;gap:8px;color:#fff;font-weight:850;cursor:pointer
}
.float-btn.whatsapp{background:#1f7a4d}.float-btn.wechat{background:#255f45}.float-btn.email{background:var(--ink)}
.float-label{font-size:14px}
.wechat-modal{position:fixed;inset:0;background:rgba(20,27,31,.55);z-index:90;display:none;align-items:center;justify-content:center;padding:22px}
.wechat-modal.open{display:flex}
.wechat-card{max-width:420px;width:100%;background:#fff;border-radius:26px;padding:24px;box-shadow:var(--shadow)}
.wechat-card p{color:var(--muted)}
.qr-placeholder{border:1px dashed var(--line);border-radius:18px;background:var(--soft);min-height:180px;display:grid;place-items:center;text-align:center;color:var(--muted);margin:16px 0;padding:18px}
.modal-actions{display:flex;gap:10px;flex-wrap:wrap}
@media (max-width:940px){
  .hero-grid,.grid-2,.cta{grid-template-columns:1fr}
  .grid-3,.product-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .menu{
    display:none;position:absolute;left:22px;right:22px;top:74px;background:#fff;border:1px solid var(--line);
    border-radius:20px;padding:18px;box-shadow:var(--shadow)
  }
  .menu.open{display:grid}
  .mobile-toggle{display:inline-flex}
}
@media (max-width:640px){
  .topbar .container,.nav-actions{display:none}
  .nav{min-height:66px}.menu{top:66px}
  .stats,.grid-3,.product-grid,.footer-grid{grid-template-columns:1fr}
  .section{padding:56px 0}.hero{padding:48px 0}
  .material-board{min-height:300px;grid-template-columns:1fr 1fr;padding:18px}
  .swatch{min-height:130px}
  .cta{padding:28px;border-radius:24px}
  .floating-contact{left:12px;right:12px;bottom:12px;display:flex;justify-content:center}
  .float-btn{flex:1;height:48px;min-width:auto;padding:0 8px}
  .float-label{font-size:12px}
  body{padding-bottom:64px}
}