:root {
  --bg: #faf8f5;
  --surface: #ffffff;
  --text: #1d1b19;
  --muted: #6b655e;
  --line: #e7e2db;
  --accent: #7a4fb3;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141316;
    --surface: #1e1d21;
    --text: #efedf2;
    --muted: #a39fa8;
    --line: #322f36;
    --accent: #b99be6;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.7 "Noto Sans Thai", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
main { max-width: 720px; margin: 0 auto; padding: 40px 16px 64px; }
a { color: var(--accent); }
h1 { font-size: 2rem; line-height: 1.25; margin: 0 0 8px; }
h2 { font-size: 1.2rem; margin: 2em 0 0.4em; }
p, li { margin: 0.4em 0; }
.muted { color: var(--muted); font-size: 0.92rem; }
.lang { display: flex; gap: 8px; margin: 16px 0 24px; }
.lang a {
  padding: 4px 14px; border: 1px solid var(--line); border-radius: 999px;
  text-decoration: none; color: var(--text); font-size: 0.92rem;
}
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: 16px;
  padding: 20px; margin: 16px 0;
}
.app { display: flex; gap: 16px; align-items: center; text-decoration: none; color: inherit; }
.app img { width: 64px; height: 64px; border-radius: 14px; flex: none; }
.app strong { display: block; font-size: 1.1rem; }
hr { border: none; border-top: 1px solid var(--line); margin: 48px 0; }
footer { margin-top: 48px; }
.store {
  display: inline-block; padding: 10px 20px; border-radius: 12px;
  background: var(--text); color: var(--bg); text-decoration: none; font-weight: 600;
}