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6px;font-size:20px;font-weight:900}.lesson-article .cta-card p{color:#ffffffeb;margin:0 0 18px;font-size:13.5px;line-height:1.65}.lesson-article .cta-btn{color:var(--accent-amber);background:#fff;border-radius:999px;align-items:center;gap:8px;padding:11px 22px;font-size:13.5px;font-weight:800;text-decoration:none;transition:transform .2s,box-shadow .2s;display:inline-flex;box-shadow:0 4px 12px #0000001f}.lesson-article .cta-btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px #0000002e}.lesson-article .article-footer{border-top:1px solid var(--border);color:var(--text-muted);text-align:center;padding:24px 0;font-size:11px}.lesson-article mark{background:var(--accent-amber-soft);color:var(--accent-amber);border-radius:3px;padding:0 4px;font-weight:700}.lesson-article kbd{background:var(--bg-elevated);border:1px solid var(--border-md);border-radius:var(--r-sm);font-family:var(--font-mono);color:var(--text-primary);padding:1px 6px;font-size:11px;display:inline-block}