:root{
  --brand:#702963; --brand-700:#5a204e; --brand-100:#f3eaf2;
  --text:#111; --muted:#666; --bg:#fff; --card:#faf9fb;
  --radius:16px; --shadow:0 10px 30px rgba(0,0,0,.08);
  --max:1100px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg)}
a{color:var(--brand);text-decoration:none}
.wrap{max-width:var(--max);margin:auto;padding:0 20px}
header.topbar{position:sticky;top:0;background:#fff;z-index:50;border-bottom:2px solid var(--brand)}
.header-row{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800}
.logo-mark{width:28px;height:28px;border-radius:8px;background:var(--brand)}
nav ul{display:flex;gap:18px;list-style:none;margin:0;padding:0}
nav a{font-weight:600}
nav a.active{border-bottom:3px solid var(--brand);padding-bottom:6px}
.cta{display:inline-block;background:var(--brand);color:#fff;padding:12px 16px;border-radius:12px;font-weight:700}
.menu-btn{display:none;appearance:none;background:transparent;border:0;padding:10px}
.menu-btn span{display:block;width:24px;height:3px;background:var(--brand);margin:4px 0;border-radius:2px}
.mobile-nav{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;border-bottom:1px solid #eee}
.mobile-nav a{display:block;padding:14px 20px;border-top:1px solid #f2edf1}
.mobile-open .mobile-nav{display:block}
@media (max-width:860px){ nav{display:none} .menu-btn{display:block} }

.hero{padding:56px 20px;background:linear-gradient(180deg, var(--brand-100), #fff)}
.hero-inner{max-width:var(--max);margin:auto;display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center}
.hero h1{font-size:clamp(28px,4vw,44px);line-height:1.1;margin:0 0 14px}
.hero p{font-size:clamp(16px,2.2vw,18px);color:var(--muted);margin:0 0 22px}
.badge{display:inline-flex;align-items:center;gap:10px;background:#fff;border:1px solid #eee;border-radius:999px;padding:8px 12px;margin-bottom:14px;box-shadow:var(--shadow)}
.img-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;border:1px solid #eee}
.img-card img{display:block;width:100%;height:auto}
section{padding:48px 20px}
h2{font-size:clamp(22px,2.8vw,32px);margin:0 0 16px}
.grid{display:grid;gap:16px}
.cols-3{grid-template-columns:repeat(3,1fr)}
.cols-2{grid-template-columns:repeat(2,1fr)}
@media (max-width:900px){.cols-3{grid-template-columns:1fr 1fr}}
@media (max-width:680px){.hero-inner{grid-template-columns:1fr}.cols-3,.cols-2{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid #eee;border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.card h3{margin:6px 0 8px;font-size:18px}
.muted{color:var(--muted)}
.banner{background:var(--brand);color:#fff;border-radius:var(--radius);padding:24px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.banner a{color:#fff;border:2px solid rgba(255,255,255,.7);padding:10px 14px;border-radius:12px;font-weight:700}
footer{padding:36px 20px;border-top:1px solid #eee;color:#555}
.fine{font-size:13px;color:#777}
.breadcrumbs{font-size:14px;color:#555;margin:8px 0 16px}
.buywrap{background:#fff;border:1px solid #eee;border-radius:16px;padding:16px;box-shadow:var(--shadow)}
code.inline{background:#f7f3f6;border:1px solid #e9dfea;border-radius:6px;padding:1px 4px}