:root{
  --bg:#0d0c0a;
  --bg-soft:#16140f;
  --card:#1c1913;
  --line:#332d22;
  --gold:#e8b83f;
  --gold-deep:#c8952a;
  --text:#f2ece0;
  --muted:#a89c86;
  --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}

/* header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(13,12,10,.92);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(12px);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:60px;gap:16px;
}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;font-size:17px;letter-spacing:.5px;white-space:nowrap;}
.brand img{height:32px;width:auto;border-radius:8px;}
.brand span{color:var(--gold);}
.nav-links{display:none;gap:22px;font-size:14px;color:var(--muted);}
.nav-links a{transition:color .2s;padding:4px 0;}
.nav-links a:hover{color:var(--gold);}
.nav-cta{
  display:inline-block;background:linear-gradient(135deg,var(--gold),var(--gold-deep));
  color:#1a1408;font-weight:700;font-size:13px;padding:8px 16px;border-radius:999px;
  white-space:nowrap;
}
.menu-btn{background:none;border:1px solid var(--line);color:var(--text);border-radius:8px;padding:6px 10px;font-size:13px;cursor:pointer;}
.mobile-nav{display:none;flex-direction:column;padding:8px 20px 16px;gap:2px;border-top:1px solid var(--line);}
.mobile-nav.open{display:flex;}
.mobile-nav a{padding:10px 4px;font-size:14px;color:var(--muted);border-bottom:1px solid rgba(255,255,255,.04);}

/* hero */
.hero{
  position:relative;
  padding:56px 0 48px;
  background:
    radial-gradient(circle at 78% 18%, rgba(232,184,63,.16), transparent 46%),
    radial-gradient(circle at 12% 82%, rgba(200,149,42,.10), transparent 42%),
    var(--bg);
  overflow:hidden;
}
.hero-grid{display:grid;grid-template-columns:1fr;gap:36px;align-items:center;}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:2px;color:var(--gold);
  border:1px solid rgba(232,184,63,.4);border-radius:999px;padding:5px 14px;margin-bottom:18px;
}
.hero h1{font-size:30px;line-height:1.35;font-weight:800;letter-spacing:.5px;margin-bottom:16px;}
.hero h1 em{font-style:normal;color:var(--gold);}
.hero p.lead{color:var(--muted);font-size:15px;margin-bottom:26px;max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  border-radius:999px;font-weight:700;font-size:14px;padding:12px 26px;transition:transform .2s,box-shadow .2s;
}
.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold-deep));color:#1a1408;box-shadow:0 8px 24px rgba(232,184,63,.22);}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(232,184,63,.32);}
.btn-ghost{border:1px solid var(--line);color:var(--text);}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold);}
.hero-note{font-size:12.5px;color:#7d745f;}
.hero-visual{position:relative;display:flex;justify-content:center;gap:14px;}
.poster{
  width:46%;border-radius:12px;overflow:hidden;border:1px solid var(--line);
  box-shadow:0 18px 40px rgba(0,0,0,.55);
}
.poster:nth-child(2){margin-top:34px;}
.poster img{width:100%;height:100%;object-fit:cover;aspect-ratio:3/4.2;}

/* generic section */
section{padding:56px 0;}
.section-head{max-width:640px;margin-bottom:34px;}
.section-head h2{font-size:24px;font-weight:800;margin-bottom:10px;letter-spacing:.4px;}
.section-head h2 span{color:var(--gold);}
.section-head p{color:var(--muted);font-size:14.5px;}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);}

/* intro */
.intro-cards{display:grid;grid-template-columns:1fr;gap:16px;}
.intro-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;transition:border-color .2s,transform .2s;
}
.intro-card:hover{border-color:rgba(232,184,63,.5);transform:translateY(-3px);}
.intro-card .num{font-size:13px;font-weight:700;color:var(--gold);letter-spacing:2px;margin-bottom:12px;}
.intro-card h3{font-size:17px;margin-bottom:8px;}
.intro-card p{font-size:14px;color:var(--muted);}

/* zones */
.zone-grid{display:grid;grid-template-columns:1fr;gap:18px;}
.zone{
  display:flex;gap:18px;background:var(--bg-soft);border:1px solid var(--line);
  border-radius:var(--radius);padding:18px;align-items:center;
}
.zone img{width:96px;border-radius:10px;flex-shrink:0;aspect-ratio:3/4;object-fit:cover;border:1px solid rgba(255,255,255,.06);}
.zone h3{font-size:16px;margin-bottom:6px;}
.zone h3 b{color:var(--gold);font-weight:700;}
.zone p{font-size:13.5px;color:var(--muted);}

/* update */
.update-grid{display:grid;grid-template-columns:1fr;gap:14px;}
.update-item{
  display:flex;align-items:center;gap:14px;background:var(--card);
  border:1px solid var(--line);border-radius:12px;padding:14px 16px;
}
.update-item .tag{font-size:11px;color:var(--gold);border:1px solid rgba(232,184,63,.35);border-radius:6px;padding:2px 8px;flex-shrink:0;}
.update-item .ut{font-size:14.5px;flex:1;min-width:0;}
.update-item .uh{font-size:12.5px;color:#7d745f;white-space:nowrap;}

/* gallery */
.gallery-scroll{
  display:flex;gap:14px;overflow-x:auto;padding-bottom:12px;scrollbar-width:thin;
}
.gallery-scroll::-webkit-scrollbar{height:6px;}
.gallery-scroll::-webkit-scrollbar-thumb{background:#3a332ization;background:#3a3325;border-radius:99px;}
.gallery-card{flex:0 0 62%;max-width:260px;}
.gallery-card img{
  width:100%;aspect-ratio:3/4.2;object-fit:cover;border-radius:12px;border:1px solid var(--line);
}
.gallery-card figcaption{font-size:13px;color:var(--muted);margin-top:8px;text-align:center;}

/* certs */
.cert-grid{display:grid;grid-template-columns:1fr;gap:16px;}
.cert{
  display:flex;gap:16px;align-items:flex-start;
  background:linear-gradient(150deg,#1e1a12,#14120d);
  border:1px solid var(--line);border-radius:var(--radius);padding:22px;
}
.cert .seal{
  width:46px;height:46px;flex-shrink:0;border-radius:50%;
  border:2px solid var(--gold);color:var(--gold);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;
  letter-spacing:1px;
}
.cert h3{font-size:15.5px;margin-bottom:6px;}
.cert p{font-size:13.5px;color:var(--muted);}

/* faq */
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;text-align:left;background:none;border:none;color:var(--text);
  font-size:15px;font-weight:600;padding:18px 0;cursor:pointer;
  display:flex;justify-content:space-between;gap:12px;font-family:inherit;
}
.faq-q .mark{color:var(--gold);transition:transform .2s;flex-shrink:0;}
.faq-item.open .faq-q .mark{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;color:var(--muted);font-size:14px;}
.faq-a p{padding-bottom:18px;}

/* 催更 / 互动 */
.urge-box{
  background:linear-gradient(140deg,rgba(232,184,63,.10),rgba(232,184,63,.02));
  border:1px solid rgba(232,184,63,.28);border-radius:18px;padding:30px 22px;text-align:center;
}
.urge-box h2{font-size:22px;margin-bottom:10px;}
.urge-box p{color:var(--muted);font-size:14px;max-width:520px;margin:0 auto 22px;}
.urge-form{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;max-width:520px;margin:0 auto;}
.urge-form input{
  flex:1;min-width:180px;background:#0f0d0a;border:1px solid var(--line);color:var(--text);
  border-radius:999px;padding:11px 18px;font-size:14px;font-family:inherit;outline:none;
}
.urge-form input:focus{border-color:var(--gold);}
.urge-form button{
  background:linear-gradient(135deg,var(--gold),var(--gold-deep));color:#1a1408;
  border:none;border-radius:999px;padding:11px 26px;font-weight:700;font-size:14px;
  cursor:pointer;font-family:inherit;
}
.urge-tip{font-size:12.5px;color:#7d745f;margin-top:14px;}

/* steps */
.steps{display:grid;grid-template-columns:1fr;gap:14px;counter-reset:step;}
.step{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:12px;padding:20px 20px 20px 60px;
}
.step::before{
  counter-increment:step;content:counter(step);
  position:absolute;left:18px;top:18px;width:28px;height:28px;border-radius:50%;
  background:rgba(232,184,63,.14);color:var(--gold);font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;border:1px solid rgba(232,184,63,.4);
}
.step h3{font-size:15px;margin-bottom:6px;}
.step p{font-size:13.5px;color:var(--muted);}

/* cta */
.cta-section{padding:20px 0 64px;}
.cta-panel{
  text-align:center;border-radius:22px;padding:44px 22px;
  background:radial-gradient(circle at 50% 0%,rgba(232,184,63,.2),transparent 62%),#16130d;
  border:1px solid var(--line);
}
.cta-panel h2{font-size:23px;margin-bottom:12px;}
.cta-panel p{color:var(--muted);font-size:14.5px;max-width:520px;margin:0 auto 24px;}

/* footer */
.site-footer{
  border-top:1px solid var(--line);padding:30px 0 36px;
  font-size:12.5px;color:#6f6756;text-align:center;line-height:1.9;
}
.site-footer a{color:#8a8069;transition:color .2s;}
.site-footer a:hover{color:var(--gold);}
.footer-update{margin-top:4px;font-size:12px;color:#5f584b;}

/* breakpoints */
@media (min-width:768px){
  .nav-links{display:flex;}
  .menu-btn{display:none;}
  .mobile-nav{display:none !important;}
  .hero{padding:76px 0 64px;}
  .hero h1{font-size:40px;}
  .hero p.lead{font-size:16px;}
  .intro-cards{grid-template-columns:repeat(3,1fr);}
  .zone-grid{grid-template-columns:repeat(2,1fr);}
  .update-grid{grid-template-columns:repeat(2,1fr);}
  .cert-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .gallery-card{flex:0 0 30%;}
  .section-head h2{font-size:28px;}
}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:1.05fr .95fr;gap:48px;}
  .hero h1{font-size:46px;}
  .poster{width:44%;}
  .intro-card{padding:30px;}
  .zone-grid{grid-template-columns:repeat(3,1fr);}
  .steps{grid-template-columns:repeat(4,1fr);}
  .gallery-card{flex:0 0 23%;max-width:none;}
  section{padding:72px 0;}
  .cert-grid{grid-template-columns:repeat(3,1fr);}
}