:root {
  --bg: #f1f4f1;
  --card: #ffffff;
  --text: #0e1a14;
  --text2: #56645c;
  --green: #15803d;
  --border: #e2e7e3;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 720px; margin: 0 auto; padding: 32px 16px 64px; }
header { display: flex; align-items: center; gap: 14px; margin-bottom: 24px; }
header img { width: 56px; height: 56px; border-radius: 13px; }
header a { color: inherit; text-decoration: none; font-weight: 800; font-size: 26px; }
h1 { font-size: 30px; line-height: 1.2; margin: 0 0 4px; }
h2 { font-size: 20px; margin: 28px 0 8px; }
p, li { color: var(--text2); }
strong { color: var(--text); }
a { color: var(--green); }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 18px; padding: 20px 22px; margin: 16px 0; }
.muted { font-size: 14px; color: var(--text2); }
nav { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 40px; font-size: 14px; }
.lang { display: flex; gap: 8px; margin: 8px 0 20px; }
.lang a { padding: 4px 12px; border-radius: 999px; border: 1px solid var(--border); text-decoration: none; color: var(--text); background: var(--card); font-size: 14px; }
hr { border: 0; border-top: 1px solid var(--border); margin: 40px 0; }
.store { display: inline-block; margin-top: 8px; padding: 12px 20px; border-radius: 14px; background: var(--green); color: #fff; font-weight: 700; text-decoration: none; }