* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; background: #f5f5f5; color: #1a1a1a; line-height: 1.6; }
.page { max-width: 720px; margin: 0 auto; padding: 2rem 1.5rem; }
header { margin-bottom: 2rem; }
h1 { font-size: 1.75rem; margin: 0; }
.subtitle { margin: 0.25rem 0 0; color: #666; font-size: 0.95rem; }
main { background: #fff; padding: 2rem; border-radius: 12px; box-shadow: 0 1px 3px rgba(0,0,0,0.08); }
.links { list-style: none; padding: 0; margin: 0 0 1.5rem; }
.links li { margin-bottom: 0.75rem; }
.links a { color: #2563eb; text-decoration: none; font-weight: 500; }
.links a:hover { text-decoration: underline; }
.contact { margin: 0; color: #666; font-size: 0.9rem; }
.contact a { color: #2563eb; }
.doc h1 { font-size: 1.5rem; margin: 0 0 0.5rem; }
.doc .meta { color: #666; font-size: 0.9rem; margin-bottom: 1.5rem; }
.doc h2 { font-size: 1.15rem; margin: 1.75rem 0 0.5rem; }
.doc h3 { font-size: 1rem; margin: 1.25rem 0 0.35rem; }
.doc p, .doc ul { margin: 0 0 0.75rem; }
.doc ul { padding-left: 1.5rem; }
.doc li { margin-bottom: 0.35rem; }
.doc hr { border: none; border-top: 1px solid #e5e5e5; margin: 1.5rem 0; }
.doc strong { font-weight: 600; }
.doc .back { display: inline-block; margin-bottom: 1rem; color: #2563eb; text-decoration: none; font-size: 0.9rem; }
.doc .back:hover { text-decoration: underline; }