:root{
  --paper:#F1E9DA; --paper2:#F7F1E6; --card:#FBF7EF;
  --ink:#2A2520; --sub:#7A7163; --faint:#A89E8C;
  --brass:#B5832E; --brass-d:#8A6320; --line:rgba(42,37,32,.10);
  --shadow:0 18px 50px rgba(60,45,20,.14);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--paper);color:var(--ink);
  font-family:-apple-system,"PingFang SC","Helvetica Neue",Helvetica,Arial,sans-serif;
  line-height:1.65;-webkit-font-smoothing:antialiased;
}
.serif{font-family:"Songti SC",Georgia,"Times New Roman",serif}
a{color:inherit;text-decoration:none}
.wrap{max-width:1060px;margin:0 auto;padding:0 24px}

nav{display:flex;align-items:center;justify-content:space-between;padding:22px 0}
.brand{font-weight:700;font-size:18px;letter-spacing:1px}
.brand span{color:var(--brass)}
.brand small{display:block;font-size:10px;letter-spacing:3px;color:var(--faint);font-weight:600}

.btn{display:inline-flex;align-items:center;gap:8px;border-radius:999px;
  padding:12px 22px;font-size:15px;font-weight:600;transition:transform .15s ease,opacity .15s ease}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--ink);color:var(--paper2)}
.btn-brass{background:linear-gradient(180deg,#C99A3E,#9C7022);color:#FBF3E2;box-shadow:0 6px 18px rgba(140,99,32,.35)}
.btn-ghost{border:1.5px solid var(--line);color:var(--ink)}

.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
  padding:48px 0 72px}
.hero h1{font-size:46px;line-height:1.22;font-weight:700;letter-spacing:.5px}
.hero .lead{font-size:18px;color:var(--sub);margin:20px 0 30px;max-width:440px}
.hero .cta{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.hero .meta{font-size:13px;color:var(--faint);margin-top:14px}
.tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:2px;color:var(--brass);
  background:rgba(181,131,46,.12);padding:6px 14px;border-radius:999px;margin-bottom:22px}

.phonewrap{display:flex;justify-content:center}
.phone{width:280px;border-radius:42px;background:#1c1813;padding:11px;box-shadow:var(--shadow)}
.screen{background:var(--paper2);border-radius:32px;overflow:hidden;padding:20px 16px 0;min-height:560px}
.scr-h{font-size:12px;letter-spacing:2px;color:var(--brass);font-weight:700}
.scr-t{font-size:24px;font-weight:700;margin:2px 0 16px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.scard{background:var(--card);border:.5px solid var(--line);border-radius:11px;padding:13px 13px 16px;
  position:relative;box-shadow:0 5px 14px rgba(60,45,20,.07)}
.scard .sp{position:absolute;top:13px;right:10px;width:7px;height:26px;border-radius:2px}
.scard h4{font-size:15px;font-weight:700;font-family:"Songti SC",Georgia,serif}
.scard .ar{font-size:10px;color:var(--faint);margin-top:2px}
.chord{display:flex;gap:6px;margin-top:10px;font-size:9px;font-weight:700}
.ln{height:3px;border-radius:2px;background:rgba(42,37,32,.13);margin-top:5px}

section.band{padding:64px 0;border-top:.5px solid var(--line)}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:2px;color:var(--brass);text-transform:uppercase}
.band h2{font-size:32px;font-weight:700;margin:10px 0 8px;letter-spacing:.5px}
.band p.sub{font-size:17px;color:var(--sub);max-width:560px}
.feats{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px;margin-top:40px}
.feat{background:var(--paper2);border:.5px solid var(--line);border-radius:18px;padding:26px 24px}
.feat .ic{width:44px;height:44px;border-radius:13px;background:rgba(181,131,46,.14);color:var(--brass);
  display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:16px}
.feat h3{font-size:18px;font-weight:700;margin-bottom:7px}
.feat p{font-size:14.5px;color:var(--sub)}

.cta-band{text-align:center;padding:80px 0}
.cta-band h2{font-size:36px;font-weight:700;letter-spacing:.5px}
.cta-band p{font-size:17px;color:var(--sub);margin:14px 0 28px}

footer{border-top:.5px solid var(--line);padding:36px 0 48px;font-size:13.5px;color:var(--sub)}
footer .row{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px}
footer a{color:var(--sub)}footer a:hover{color:var(--brass)}
footer .links{display:flex;gap:20px}

.doc{max-width:720px;margin:0 auto;padding:36px 0 72px}
.doc h1{font-size:34px;font-weight:700;margin-bottom:6px}
.doc .upd{font-size:13px;color:var(--faint);margin-bottom:30px}
.doc h2{font-size:20px;font-weight:700;margin:30px 0 10px}
.doc h3{font-size:16px;font-weight:700;margin:20px 0 8px}
.doc p,.doc li{font-size:15.5px;color:#4a4339;margin-bottom:10px}
.doc ul{padding-left:22px}.doc strong{color:var(--ink)}
.doc a{color:var(--brass);font-weight:600}

@media(max-width:760px){
  .hero{grid-template-columns:1fr;text-align:center;gap:28px;padding:28px 0 48px}
  .hero h1{font-size:34px}.hero .lead{margin-left:auto;margin-right:auto}
  .hero .cta{justify-content:center}
  .feats{grid-template-columns:1fr}
  .band h2,.cta-band h2{font-size:26px}
  footer .row{flex-direction:column;text-align:center}
}