:root { color-scheme: light; --bg: #f7fafc; --card: #fff; --text: #1f2937; --muted: #4b5563; --line: #e5e7eb; --accent: #0369a1; }
* { box-sizing: border-box; }
body { margin: 0; font: 1rem/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: var(--bg); color: var(--text); overflow-wrap: anywhere; }
.wrap { max-width: 900px; margin: 36px auto; padding: 0 16px; }
.card { padding: clamp(20px, 4vw, 36px); background: var(--card); border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 4px 18px #0000000a; }
header { display: flex; gap: 16px; align-items: center; margin-bottom: 24px; }
.icon { width: 72px; height: 72px; flex-shrink: 0; }
h1 { margin: 0; font-size: 2rem; line-height: 1.3; }
h2 { margin: 28px 0 10px; font-size: 1.375rem; line-height: 1.4; }
h3 { margin: 20px 0 8px; font-size: 1.125rem; }
p, li { color: var(--muted); }
p { margin: 10px 0; }
li { margin: 6px 0; }
nav { display: flex; flex-wrap: wrap; gap: 8px 20px; margin: 16px 0 28px; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; border-radius: 2px; }
.meta { font-size: .875rem; color: var(--muted); }
.lang, footer { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--line); }
@media (max-width: 480px) { .wrap { margin: 16px auto; } header { gap: 12px; } h1 { font-size: 1.75rem; } .icon { width: 56px; height: 56px; } }