:root{--bg: #f5f6f8;--card: #ffffff;--text: #1f2430;--muted: #5b6472;--accent: #2563eb;--border: #e5e7eb}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}.page{max-width:760px;margin:0 auto;padding:32px 20px 64px}.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:32px 36px;box-shadow:0 1px 3px #1018280f}.header{border-bottom:1px solid var(--border);padding-bottom:20px;margin-bottom:8px}.header h1{margin:0 0 12px;font-size:28px;line-height:1.25}.intro{margin:0 0 12px;color:var(--muted)}.meta{margin:0;font-size:13px;color:var(--muted)}.section{padding:20px 0;border-bottom:1px solid var(--border)}.section:last-of-type{border-bottom:none}.section h2{margin:0 0 10px;font-size:18px}.section-number{color:var(--accent);font-weight:700}.section p{margin:0 0 10px;color:var(--text)}.section-list{margin:0;padding-left:20px}.section-list li{margin-bottom:8px;color:var(--text)}.section-list li:last-child{margin-bottom:0}.footer{border-top:1px solid var(--border);margin-top:12px;padding-top:16px}.footer p{margin:0;font-size:13px;color:var(--muted)}@media (max-width: 520px){.page{padding:16px 12px 40px}.card{padding:24px 20px;border-radius:10px}.header h1{font-size:24px}}