:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--ink:#1c2430;--muted:#667487;--line:#d8dde5;--panel:#fff;--page:#f5f7fa;--accent:#1570ef;--accent-strong:#075fcc}*{box-sizing:border-box}body{background:var(--page);color:var(--ink);letter-spacing:0;margin:0;font-family:Inter,Segoe UI,Hiragino Sans,Yu Gothic UI,Meiryo,sans-serif}.page-shell{width:min(880px,100% - 32px);margin:0 auto;padding:36px 0 56px}.page-nav{flex-wrap:wrap;gap:14px;margin-bottom:28px;font-size:13px;font-weight:760;display:flex}.page-nav a{color:var(--accent-strong);text-decoration:none}.content{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:clamp(22px,5vw,42px);box-shadow:0 16px 44px #1c243014}h1{margin:0 0 12px;font-size:clamp(28px,5vw,44px);line-height:1.08}h2{margin:28px 0 10px;font-size:18px}p,li{color:#344054;line-height:1.8}ul,ol{padding-left:1.3em}.lead{color:var(--muted);font-size:16px}.muted{color:var(--muted);font-size:13px}