.xp-main{--xp-paper: #FBF8F1;--xp-paper-light: #FFFDF8;--xp-ink: #2453A6;--xp-graphite: #202124;--xp-muted: #5F6268;--xp-line: #D8D2C7;--xp-highlight: #E5C755;background:var(--xp-paper);color:var(--xp-graphite);font-family:Inter,system-ui,-apple-system,sans-serif;display:block;padding:0 0 72px}.xp-main :focus-visible{outline:2px solid var(--xp-ink);outline-offset:2px}.xp-wrap{max-width:1120px;margin:0 auto;padding:0 32px}.xp-crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:20px 0 4px;font-size:13px;color:#85817a}.xp-crumbs a{color:var(--xp-ink);text-decoration:none}.xp-crumbs a:hover{text-decoration:underline;text-underline-offset:3px}.xp-sep{color:#beb7aa}.xp-current{color:var(--xp-graphite);font-weight:600}.xp-hero{margin:16px 0 28px;padding:32px 36px;border:1px solid #BEB7AA;border-radius:5px;background:var(--xp-paper-light)}.xp-eyebrow{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0 0 10px;font-size:13px;color:var(--xp-muted)}.xp-eyebrow a{color:var(--xp-ink);text-decoration:none;font-weight:600}.xp-eyebrow a:hover{text-decoration:underline;text-underline-offset:3px}.xp-chip{padding:3px 8px;border-radius:3px;background:#eaf0fa;color:var(--xp-ink);font-weight:600;font-size:12px;letter-spacing:.02em}.xp-dot{color:#beb7aa}.xp-title{margin:0 0 12px;font-family:Sora,system-ui,sans-serif;font-size:clamp(26px,4vw,38px);line-height:1.15;font-weight:700;letter-spacing:-.02em}.xp-lede{margin:0 0 14px;max-width:68ch;font-size:16px;line-height:1.65;color:#3a3936}.xp-freshness{margin:0 0 16px;font-size:13px;color:var(--xp-muted)}.xp-freshness a{color:var(--xp-ink)}.xp-backlink{margin:0}.xp-back{display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border:1px solid var(--xp-line);border-radius:5px;background:var(--xp-paper);color:var(--xp-ink);font-size:14px;font-weight:600;text-decoration:none}.xp-back:hover{background:#eaf0fa}.xp-notions{margin:0 0 28px;padding:22px 24px;border:1px solid var(--xp-line);border-left:4px solid var(--xp-ink);border-radius:5px;background:var(--xp-paper-light)}.xp-notions h2{margin:0 0 6px;font-family:Sora,system-ui,sans-serif;font-size:18px;font-weight:700;letter-spacing:-.01em}.xp-notions-lede{margin:0 0 16px;font-size:14.5px;line-height:1.6;color:var(--xp-muted);max-width:68ch}.xp-notions-list{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}.xp-notions-list a{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid var(--xp-line);border-radius:5px;background:var(--xp-paper);color:var(--xp-graphite);font-size:13.5px;font-weight:600;text-decoration:none;transition:border-color .15s,background .15s,color .15s}.xp-notions-list a:hover{border-color:var(--xp-ink);background:#fff;color:var(--xp-ink)}.xp-notion-count{min-width:1.5rem;padding:1px 6px;border-radius:4px;background:#eaf0fa;color:var(--xp-ink);font-size:12px;font-weight:700;text-align:center}.xp-exercises-title{margin:0 0 18px;font-family:Sora,system-ui,sans-serif;font-size:21px;font-weight:700;letter-spacing:-.015em}.xp-pager{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));gap:14px;margin:32px 0 0}.xp-pager-card{display:flex;flex-direction:column;gap:4px;padding:16px 18px;border:1px solid var(--xp-line);border-radius:5px;background:var(--xp-paper-light);text-decoration:none;color:var(--xp-graphite)}.xp-pager-card:hover{border-color:var(--xp-ink);background:#fff}.xp-pager-card.next{text-align:right}.xp-pager-dir{font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--xp-muted)}.xp-pager-title{font-family:Sora,system-ui,sans-serif;font-size:15px;font-weight:600;color:var(--xp-ink)}.xp-index{margin:40px 0 0;padding:28px 30px;border:1px solid var(--xp-line);border-radius:5px;background:var(--xp-paper-light)}.xp-index h2{margin:0 0 6px;font-family:Sora,system-ui,sans-serif;font-size:20px;font-weight:700}.xp-index-lede{margin:0 0 18px;font-size:14px;color:var(--xp-muted)}.xp-index-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,280px),1fr));gap:10px}.xp-index-link{display:flex;align-items:flex-start;gap:12px;height:100%;padding:12px 14px;border:1px solid var(--xp-line);border-radius:5px;background:var(--xp-paper);color:var(--xp-graphite);text-decoration:none}a.xp-index-link:hover{border-color:var(--xp-ink);background:#fff}.xp-index-list li.is-current .xp-index-link{border-color:var(--xp-ink);background:#eaf0fa}.xp-index-num{flex:none;width:26px;height:26px;display:grid;place-items:center;border-radius:3px;background:#eaf0fa;color:var(--xp-ink);font-size:13px;font-weight:700}.xp-index-list li.is-current .xp-index-num{background:var(--xp-ink);color:#fff}.xp-index-body{display:flex;flex-direction:column;gap:3px}.xp-index-body strong{font-size:14px;font-weight:600;line-height:1.35}.xp-index-meta{font-size:12px;color:var(--xp-muted)}@media(max-width:640px){.xp-wrap{padding:0 18px}.xp-hero{padding:24px 20px}.xp-index{padding:22px 18px}.xp-notions{padding:20px 18px}.xp-pager-card.next{text-align:left}}