body { font-family: Arial, Helvetica, sans-serif; line-height: 1.55; margin: 0; padding: 32px; background: #f9f9f9; color: #222; }
article { max-width: 900px; margin: 0 auto; background: #fff; padding: 48px 60px; box-shadow: 0 0 10px rgba(0,0,0,.04); }
h1 { font-size: 28px; margin-top: 0; text-transform: uppercase; }
h2 { margin-top: 40px; font-size: 20px; color: #050a08; }
h3 { margin-top: 28px; font-size: 17px; color: #050a08; }
.toc { margin: 0 0 24px; padding: 16px; background: #f6f8fa; border: 1px solid #e5e7eb; border-radius: 8px; }
.toc h3 { margin-top: 0; font-size: 16px; }
.toc ul { list-style: none; margin: 8px 0 0; padding: 0; columns: 2; column-gap: 32px; }
.toc li { margin: 6px 0; break-inside: avoid; }
.toc a { color: #050a08; text-decoration: none; }
.toc a:hover { text-decoration: underline; }
ul, ol { margin: 12px 0 12px 22px; }
li { margin-bottom: 6px; }
hr { border: 0; border-top: 2px solid #dbfe75; margin: 36px 0; }
strong { color: #050a08; }
.muted { color: #555; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; }