body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
       max-width: 760px; margin: 2rem auto; padding: 0 1.25rem; color: #1a1a1a;
       line-height: 1.65; font-size: 16px; }
h1 { font-size: 2rem; margin-bottom: 0.25rem; }
h2 { font-size: 1.25rem; margin-top: 2.25rem; border-bottom: 1px solid #e5e5e5; padding-bottom: 0.35rem; }
h3 { font-size: 1.05rem; margin-top: 1.5rem; }
p, li { font-size: 1rem; }
.meta { color: #666; font-size: 0.9rem; margin-bottom: 2rem; }
.back { font-size: 0.9rem; }
code { background: #f4f4f4; padding: 0.1em 0.3em; border-radius: 3px; font-size: 0.92em; }
table { border-collapse: collapse; width: 100%; margin: 1rem 0; }
th, td { text-align: left; padding: 0.5rem 0.75rem; border-bottom: 1px solid #e5e5e5; vertical-align: top; }
th { background: #f9f9f9; font-weight: 600; }
a { color: #6b46c1; }
ul { padding-left: 1.25rem; }
.notice { padding: 0.85rem 1rem; margin: 1.5rem 0; border-radius: 4px; }
.warn { background: #fdecec; border-left: 4px solid #e05757; }
.info { background: #eef4ff; border-left: 4px solid #5b8def; }
.refund { background: #fff8e1; border-left: 4px solid #f6c453; }