@charset "UTF-8";main.lp{--tut-correct:var(--color-success);--tut-correct-bg:var(--color-success-bg);--tut-wrong:var(--color-danger);--tut-wrong-bg:var(--color-danger-bg);--tut-border:var(--color-border);--tut-muted:var(--color-text-muted);--tut-ink:var(--color-text-strong);--tut-text:var(--color-text);--tut-soft:var(--color-surface-2);--tut-tip:var(--color-brand-soft);--tut-warning:var(--color-warning-bg);--tut-warning-ink:var(--color-warning);--tut-example:var(--color-info-bg);--tut-example-ink:var(--color-info);--lp-radius:18px;--lp-aside-w:300px}main.lp [hidden]{display:none!important}main.lp a{color:inherit}main.lp .lp-hero{padding:20px 0 28px;background:var(--color-header-bg)}main.lp .lp-hero .bread{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:18px;font-size:13px;color:var(--tut-muted)}main.lp .lp-hero .bread a{color:var(--tut-muted);text-decoration:none}main.lp .lp-hero .bread a:hover{color:var(--color-brand-text);text-decoration:underline}main.lp 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.hero-cover{margin:0;aspect-ratio:16/9;border-radius:var(--lp-radius);overflow:hidden;background:var(--color-skeleton);box-shadow:var(--shadow-card)}main.lp .lp-hero .hero-cover img{display:block;width:100%;height:100%;object-fit:cover}main.lp .lp-hero .hero-cover.is-empty{display:flex;align-items:center;justify-content:center;color:var(--color-border-brand)}main.lp .lp-summary{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0}main.lp .lp-summary li{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border-radius:999px;background:var(--color-surface);border:1px solid var(--tut-border);font-size:14px;color:var(--tut-text)}main.lp .lp-summary li svg{color:var(--color-brand-text)}main.lp .lp-summary li b{font-weight:900;color:var(--tut-ink)}main.lp .lp-level-badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:900;letter-spacing:.3px;text-transform:uppercase;background:var(--tut-tip);color:var(--tut-correct)}main.lp .lp-level-badge.is-i{background:var(--tut-warning);color:var(--tut-warning-ink)}main.lp .lp-level-badge.is-a{background:var(--tut-example);color:var(--tut-example-ink)}main.lp .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}main.lp .lp-intro-grid{display:grid;gap:14px;margin-top:24px}main.lp .lp-list-box{padding:18px;border-radius:var(--lp-radius);background:var(--color-surface);border:1px solid var(--tut-border)}main.lp .lp-list-box h2,main.lp .lp-list-box h4{margin:0 0 12px;font-size:16px;font-weight:900;color:var(--tut-ink)}main.lp .lp-list-box.is-prereq{background:var(--tut-soft)}main.lp.lp-tutorial .lp-list-box.is-prereq{background:var(--color-surface)}main.lp .lp-check-list{list-style:none;margin:0;padding:0}main.lp .lp-check-list li{display:flex;gap:10px;padding:7px 0;font-size:15px;line-height:1.5;color:var(--tut-text)}main.lp .lp-check-list li+li{border-top:1px solid var(--tut-border)}main.lp 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