:root{
  --bg:#f7f5f1;
  --text:#161616;
  --muted:#6a6a6a;
  --line:#e8e1d7;
  --gold:#b6843f;
  --gold-dark:#966827;
  --dark:#141414;
  --shadow:0 14px 40px rgba(0,0,0,.06);
  --radius:22px;
  --container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at 10% 0%,rgba(182,132,63,.10),transparent 24%),
    radial-gradient(circle at 92% 2%,rgba(182,132,63,.08),transparent 20%),
    var(--bg);
  line-height:1.7;
}
a{text-decoration:none;color:inherit}
img{display:block;width:100%;height:100%;object-fit:cover}
.container{max-width:var(--container);margin:0 auto;padding:0 22px}
.section{padding:76px 0}
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(247,245,241,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  min-height:74px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.brand{font-size:24px;font-weight:900;letter-spacing:-.03em;white-space:nowrap}
.brand span{color:var(--gold)}
.nav{display:flex;align-items:center;gap:24px;font-size:15px;font-weight:700;color:#333}
.nav a:hover{color:var(--gold)}
.header-actions{display:flex;align-items:center;gap:10px}
.lang-toggle{
  min-height:40px;
  padding:0 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  cursor:pointer;
  font-weight:800;
  color:#3b2a14;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 22px;
  border-radius:999px;
  font-size:15px;
  font-weight:800;
  transition:.25s ease;
  white-space:nowrap;
  border:0;
}
.btn-primary{
  background:linear-gradient(135deg,var(--gold-dark),#c89c57);
  color:#fff;
  box-shadow:0 10px 28px rgba(182,132,63,.28);
}
.btn-primary:hover,.btn-secondary:hover{transform:translateY(-2px)}
.btn-secondary{background:#fff;color:#3b2a14;border:1px solid rgba(182,132,63,.3)}
.section-head{margin-bottom:34px}
.section-head.center{text-align:center}
.section-head.left{text-align:left}
.section-head h2{
  margin:0 0 10px;
  font-size:clamp(30px,4vw,44px);
  line-height:1.15;
  letter-spacing:-.04em;
}
.section-head p{margin:0;color:var(--muted);font-size:16px}
.hero{padding-top:54px}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:34px;align-items:center}
.badge{
  display:inline-flex;
  align-items:center;
  padding:8px 14px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  color:var(--gold);
  font-size:13px;
  font-weight:800;
}
.hero-copy h1{
  margin:18px 0 16px;
  font-size:clamp(40px,5vw,62px);
  line-height:1.08;
  letter-spacing:-.06em;
}
.hero-copy h1 em{font-style:normal;color:var(--gold)}
.hero-copy p{margin:0 0 28px;max-width:620px;color:var(--muted);font-size:17px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.point-card{background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:18px;padding:16px;box-shadow:var(--shadow)}
.point-card strong{display:block;margin-bottom:4px;font-size:15px}
.point-card span{display:block;color:var(--muted);font-size:13px}
.media-card{overflow:hidden;border-radius:var(--radius);background:#ddd;border:1px solid rgba(255,255,255,.95);box-shadow:var(--shadow)}
.hero-visual{display:grid;grid-template-columns:1fr;grid-template-rows:300px 260px;gap:14px}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.feature-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:var(--shadow)}
.feature-card .icon{font-size:28px;margin-bottom:12px}
.feature-card h3{margin:0 0 8px;font-size:20px}
.feature-card p{margin:0;color:var(--muted);font-size:14px}
.factory-section{
  background:linear-gradient(180deg,rgba(255,255,255,.62),rgba(255,255,255,.2));
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.split-layout{display:grid;grid-template-columns:.92fr 1.08fr;gap:30px;align-items:center}
.bullet-stack{display:grid;gap:14px}
.bullet-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 18px;box-shadow:var(--shadow)}
.bullet-card strong{display:block;margin-bottom:4px;font-size:16px}
.bullet-card span{color:var(--muted);font-size:14px}
.factory-grid{display:grid;grid-template-columns:1.16fr .84fr;grid-template-rows:230px 230px;gap:14px}
.factory-grid .tall{grid-row:span 2}
.product-block+.product-block{margin-top:44px}
.block-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:18px}
.block-head h3{margin:0;font-size:28px;letter-spacing:-.03em}
.block-head p{margin:0;color:var(--muted);font-size:15px}
.gallery-bags{display:grid;grid-template-columns:repeat(12,1fr);gap:14px}
.gallery-bags>.media-card:nth-child(1){grid-column:span 3}
.gallery-bags>.media-card:nth-child(2){grid-column:span 3}
.gallery-bags>.media-card:nth-child(3){grid-column:span 6}
.gallery-bags>.media-card:nth-child(4){grid-column:span 6}
.gallery-bags>.media-card:nth-child(5){grid-column:span 6}
.gallery-watches{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.ratio-4-5{aspect-ratio:4/5}
.ratio-16-10{aspect-ratio:16/10}
.ratio-4-3{aspect-ratio:4/3}
.guide-card{
  margin-top:24px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:24px;
  padding:28px;
  box-shadow:var(--shadow);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.guide-card h3{margin:0 0 14px;font-size:24px}
.guide-card ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.guide-card li{color:var(--muted);font-size:14px}
.guide-card li::before{content:"✓ ";color:var(--gold);font-weight:900}
.contact-section{padding-top:34px}
.contact-banner{
  background:#fff;
  border:1px solid var(--line);
  border-radius:26px;
  padding:34px;
  box-shadow:var(--shadow);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.contact-banner h2{margin:0 0 8px;font-size:clamp(28px,3.3vw,36px);line-height:1.15}
.contact-banner p{margin:0;color:var(--muted);font-size:15px}
.steps-section{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.steps-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.step-card{position:relative;min-height:220px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px 18px;box-shadow:var(--shadow)}
.step-card:not(:last-child)::after{content:"→";position:absolute;right:-15px;top:50%;transform:translateY(-50%);color:var(--gold);font-weight:900}
.step-num{width:34px;height:34px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:var(--gold);color:#fff;font-size:14px;font-weight:900;margin-bottom:14px}
.step-card h3{margin:0 0 8px;font-size:18px;line-height:1.35}
.step-card p{margin:0;color:var(--muted);font-size:14px}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px 20px;box-shadow:var(--shadow)}
details+details{margin-top:14px}
summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;font-weight:800;font-size:18px}
summary::-webkit-details-marker{display:none}
summary::after{content:"⌄";color:var(--gold);font-size:22px;transition:.25s}
details[open] summary::after{transform:rotate(180deg)}
details p{margin:12px 0 0;color:var(--muted);font-size:14px}
.final-cta{background:linear-gradient(135deg,#121212,#1c1916);color:#fff;padding:56px 0 26px}
.cta-box{max-width:860px;text-align:center}
.cta-box h2{margin:0 0 12px;font-size:clamp(30px,4vw,42px);line-height:1.15;color:#ddb16c;letter-spacing:-.03em}
.cta-box p{margin:0 0 24px;color:rgba(255,255,255,.72)}
.footer{text-align:center;color:rgba(255,255,255,.46);font-size:13px;margin-top:24px}
.footer a{color:#ddb16c}
.floating-wa{
  position:fixed;
  right:22px;
  bottom:22px;
  z-index:99;
  min-height:50px;
  padding:0 20px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:999px;
  color:#fff;
  background:#18a85b;
  box-shadow:0 16px 36px rgba(24,168,91,.30);
  font-weight:900;
}
.legal-page{padding:72px 0}
.legal-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:28px;
  box-shadow:var(--shadow);
  padding:42px;
}
.legal-card h1{
  margin:0 0 18px;
  font-size:clamp(36px,5vw,64px);
  line-height:1.05;
  color:#102f5c;
  letter-spacing:-.05em;
}
.legal-card h2{margin:22px 0 10px;font-size:20px;color:#102f5c}
.legal-card p,.legal-card li{color:#4f6684;font-size:16px}
.legal-card ol,.legal-card ul{margin:16px 0 0;padding-left:24px}
.legal-card strong{color:#102f5c}
.legal-actions{margin-top:28px;display:flex;gap:14px;flex-wrap:wrap}
@media(max-width:1100px){
  .hero-grid,.split-layout{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .step-card:nth-child(2n)::after{display:none}
  .guide-card,.contact-banner{flex-direction:column;align-items:flex-start}
}
@media(max-width:800px){
  .nav{display:none}
  .header-inner{min-height:68px}
  .brand{font-size:20px}
  .hero-points,.feature-grid,.faq-grid,.gallery-watches{grid-template-columns:1fr}
  .hero-visual{grid-template-rows:240px 220px}
  .factory-grid{grid-template-columns:1fr;grid-template-rows:220px 220px 220px}
  .factory-grid .tall{grid-row:auto}
  .gallery-bags{grid-template-columns:1fr}
  .gallery-bags>.media-card{grid-column:auto!important}
  .steps-grid{grid-template-columns:1fr}
  .step-card:not(:last-child)::after{content:"↓";right:50%;top:auto;bottom:-22px;transform:translateX(50%)}
  .hero-actions{flex-direction:column}
  .btn{width:100%}
  .floating-wa{left:16px;right:16px;text-align:center}
  .header-actions .btn{display:none}
}
@media(max-width:520px){
  .container{padding:0 16px}
  .section{padding:62px 0}
  .guide-card,.contact-banner,.legal-card{padding:24px}
}


/* Mobile optimization patch */
@media (max-width: 800px){
  body{overflow-x:hidden}
  .container{padding-left:16px;padding-right:16px}
  .site-header{position:sticky}
  .header-inner{
    min-height:64px;
    gap:10px;
  }
  .brand{
    font-size:18px;
    max-width:62vw;
    overflow:hidden;
    text-overflow:ellipsis;
  }
  .header-actions{
    margin-left:auto;
    flex-shrink:0;
  }
  .lang-toggle{
    min-height:38px;
    padding:0 12px;
    font-size:13px;
  }
  .hero{
    padding-top:34px;
  }
  .hero-copy h1{
    font-size:clamp(34px,10vw,44px);
    letter-spacing:-.05em;
  }
  .hero-copy p{
    font-size:15px;
  }
  .badge{
    font-size:12px;
    line-height:1.4;
    white-space:normal;
  }
  .hero-visual{
    grid-template-rows:220px 190px;
    gap:12px;
  }
  .media-card{
    border-radius:18px;
  }
  .section-head h2{
    font-size:clamp(28px,8vw,34px);
  }
  .section-head p,
  .block-head p,
  .contact-banner p{
    font-size:14px;
  }
  .block-head{
    display:block;
  }
  .block-head h3{
    margin-bottom:6px;
    font-size:24px;
  }
  .gallery-bags .media-card,
  .gallery-watches .media-card{
    aspect-ratio:4/3;
  }
  .gallery-bags > .media-card:nth-child(1),
  .gallery-bags > .media-card:nth-child(2){
    aspect-ratio:4/5;
  }
  .contact-banner,
  .guide-card{
    align-items:stretch;
  }
  .contact-banner h2{
    font-size:28px;
  }
  .steps-grid{
    gap:22px;
  }
  .step-card{
    min-height:auto;
  }
  .faq-grid{
    gap:14px;
  }
  summary{
    font-size:16px;
  }
  details p{
    font-size:14px;
  }
  .final-cta{
    padding-bottom:92px;
  }
  .floating-wa{
    min-height:52px;
    border-radius:16px;
  }
  .legal-page{
    padding:40px 0;
  }
  .legal-card h1{
    font-size:clamp(36px,12vw,52px);
  }
  .legal-card p,
  .legal-card li{
    font-size:14px;
  }
}

@media (max-width: 420px){
  .brand{
    font-size:17px;
    max-width:58vw;
  }
  .hero-copy h1{
    font-size:34px;
  }
  .hero-visual{
    grid-template-rows:200px 180px;
  }
  .section{
    padding:54px 0;
  }
  .feature-card,
  .bullet-card,
  .step-card,
  details{
    padding:18px;
  }
}