:root{
  --bg:#ffffff;
  --bg2:#f8fbff;
  --bg3:#eaf4ff;
  --fg:#1c1c1e;
  --muted:#475569;
  --card:#ffffff;
  --border:#e5e7eb;
  --accent:#0A8CF0;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font:16px/1.6 -apple-system,BlinkMacSystemFont,'SF Pro Text','Segoe UI',Roboto,Inter,system-ui,Arial,sans-serif;
  color:var(--fg);
  background: linear-gradient(180deg, var(--bg3) 0%, var(--bg2) 45%, var(--bg) 100%);
  min-height:100dvh;
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:980px;margin:0 auto;padding:16px}
.header{
  display:flex;align-items:center;gap:16px;justify-content:space-between;
  border-bottom:1px solid var(--border);background:transparent;backdrop-filter:saturate(160%) blur(6px);
  position:sticky;top:0
}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--fg);text-decoration:none}
.brand .favicon{width:22px;height:22px}
.header nav{display:flex;gap:16px;flex-wrap:wrap}
.header nav a{color:var(--fg);opacity:.85}
.header nav a:hover{opacity:1}
.main-only{padding-top:28px;padding-bottom:20px}
.page-title{margin:14px 0 12px 0;font-size:clamp(28px,4.2vw,36px);font-weight:700;letter-spacing:-0.02em;text-align:center}
.grid.two{
  display:grid;
  grid-template-columns:repeat(2,minmax(320px,1fr));
  gap:24px;
  margin:10px 0 32px;
  align-items:stretch;
  justify-content:center;
}
.grid.two.center{justify-items:center}
@media (max-width:720px){.grid.two{grid-template-columns:1fr}}
.card{
  background:var(--card);border:1px solid var(--border);border-radius:24px;padding:24px;
  display:flex;flex-direction:column;align-items:center;
  box-shadow:0 12px 32px rgba(20,40,120,.08), 0 1px 0 rgba(255,255,255,.5) inset;
  min-height:360px;
  width:100%;
}
.card img{width:144px;height:144px;border-radius:28px;border:1px solid var(--border);background:#f8fafc;object-fit:cover}
.card h3{margin:12px 0 6px 0;font-size:clamp(22px,2.6vw,24px);text-align:center;font-weight:800;letter-spacing:-0.01em;color:#111827}
.card .desc{margin:0 0 10px 0;color:var(--muted);font-size:clamp(18px,2.2vw,20px);text-align:center;line-height:1.35}
.store{display:block;margin-top:6px;border-radius:0;background:transparent;box-shadow:none}
.store .badge{display:block;height:50px;width:auto;border-radius:0!important;box-shadow:none!important;filter:none!important}
.prose{max-width:780px}
.prose h1{margin-top:12px;text-align:center}
.prose.center{text-align:center}
.prose.center p.big{font-size:clamp(18px,2.2vw,20px);margin:6px 0}
.foot{opacity:.9;border-top:1px solid var(--border);margin-top:12px}
.foot p{margin:12px 0}