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mark[data-astro-cid-pz33fctp]{background:transparent;color:transparent;font-weight:inherit;background-image:var(--grad-warm);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.s-title[data-astro-cid-pz33fctp] .big[data-astro-cid-pz33fctp]{margin:0;font-size:clamp(30px,5.2vw,50px);font-weight:800;letter-spacing:-.03em;line-height:1.05;color:var(--ink)}.s-title[data-astro-cid-pz33fctp] .sub[data-astro-cid-pz33fctp]{margin:4px 0 0;font-size:clamp(16px,2.4vw,22px);color:var(--ink-soft);font-weight:500}.s-rule[data-astro-cid-pz33fctp] .icon[data-astro-cid-pz33fctp]{font-size:clamp(34px,5vw,46px);line-height:1}.s-rule[data-astro-cid-pz33fctp] .statement[data-astro-cid-pz33fctp]{margin:0;font-size:clamp(24px,4vw,38px);font-weight:800;letter-spacing:-.02em;line-height:1.18;color:var(--ink)}.s-example[data-astro-cid-pz33fctp] 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.cols[data-astro-cid-pz33fctp]{display:grid;grid-template-columns:1fr 1fr;gap:14px}.s-compare[data-astro-cid-pz33fctp] .col[data-astro-cid-pz33fctp]{background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--r-lg);padding:18px 20px;text-align:left}.s-compare[data-astro-cid-pz33fctp] .col-label[data-astro-cid-pz33fctp]{display:block;font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);margin-bottom:10px}.s-compare[data-astro-cid-pz33fctp] .col[data-astro-cid-pz33fctp] ul[data-astro-cid-pz33fctp]{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.s-compare[data-astro-cid-pz33fctp] .col[data-astro-cid-pz33fctp] li[data-astro-cid-pz33fctp]{font-size:16px;color:var(--ink);line-height:1.4}.s-compare[data-astro-cid-pz33fctp] .col[data-astro-cid-pz33fctp] li[data-astro-cid-pz33fctp]+li[data-astro-cid-pz33fctp]{color:var(--ink-soft);font-size:14.5px}@media(max-width:520px){.s-compare[data-astro-cid-pz33fctp] .cols[data-astro-cid-pz33fctp]{grid-template-columns:1fr}}.s-table[data-astro-cid-pz33fctp]{width:100%;max-width:460px}.s-table[data-astro-cid-pz33fctp] .verb[data-astro-cid-pz33fctp]{margin:0 0 14px;font-size:clamp(18px,2.6vw,24px);font-weight:700;color:var(--ink);letter-spacing:-.01em}.s-table[data-astro-cid-pz33fctp] table[data-astro-cid-pz33fctp]{width:100%;border-collapse:collapse}.s-table[data-astro-cid-pz33fctp] tr[data-astro-cid-pz33fctp]{border-bottom:1px solid var(--line-soft)}.s-table[data-astro-cid-pz33fctp] tr[data-astro-cid-pz33fctp]:last-child{border-bottom:0}.s-table[data-astro-cid-pz33fctp] td[data-astro-cid-pz33fctp]{padding:12px 14px;text-align:left;font-size:16px}.s-table[data-astro-cid-pz33fctp] .person[data-astro-cid-pz33fctp]{color:var(--ink-soft)}.s-table[data-astro-cid-pz33fctp] .form[data-astro-cid-pz33fctp]{color:var(--ink);font-weight:600;text-align:right}.s-table[data-astro-cid-pz33fctp] tr[data-astro-cid-pz33fctp].hi{background:#0071e30f}.s-table[data-astro-cid-pz33fctp] tr[data-astro-cid-pz33fctp].hi .form[data-astro-cid-pz33fctp]{color:var(--accent)}.s-pitfall[data-astro-cid-pz33fctp]{width:100%;max-width:540px;display:flex;flex-direction:column;gap:12px}.pf[data-astro-cid-pz33fctp]{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;padding:14px 18px;border-radius:var(--r-lg);text-align:left}.pf[data-astro-cid-pz33fctp] .badge[data-astro-cid-pz33fctp]{width:24px;height:24px;flex:none;border-radius:50%;display:grid;place-items:center;font-size:13px;color:#fff;font-weight:700}.pf-text[data-astro-cid-pz33fctp]{font-size:clamp(16px,2.4vw,20px);font-weight:600}.pf-gloss[data-astro-cid-pz33fctp]{font-size:14px;color:var(--ink-soft)}.pf[data-astro-cid-pz33fctp].wrong{background:#fdeeee}.pf[data-astro-cid-pz33fctp].wrong 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li[data-astro-cid-pz33fctp]{position:relative;padding-left:32px;font-size:clamp(16px,2.2vw,19px);color:var(--ink);line-height:1.4}.s-recap[data-astro-cid-pz33fctp] li[data-astro-cid-pz33fctp]:before{content:"✓";position:absolute;left:0;top:-1px;width:22px;height:22px;border-radius:50%;background:#2fb87224;color:#2fb872;font-size:12px;font-weight:700;display:grid;place-items:center}.narration[data-astro-cid-pz33fctp]{max-width:60ch;margin:0 auto;font-size:17px;line-height:1.65;color:var(--ink-soft);text-align:center}.lesson[data-astro-cid-vyopuo4l]{max-width:820px;margin:0 auto}.lesson-head[data-astro-cid-vyopuo4l]{padding:clamp(32px,5vw,56px) 0 clamp(22px,3vw,32px)}.crumbs[data-astro-cid-vyopuo4l]{display:flex;flex-wrap:wrap;align-items:center;gap:8px;color:var(--ink-faint);font-size:14px;font-weight:500;margin-bottom:18px}.crumbs[data-astro-cid-vyopuo4l] a[data-astro-cid-vyopuo4l]{color:var(--ink-soft)}.crumbs[data-astro-cid-vyopuo4l] .sep[data-astro-cid-vyopuo4l]{color:var(--line)}.crumbs[data-astro-cid-vyopuo4l] .here[data-astro-cid-vyopuo4l]{color:var(--ink)}.eyebrow[data-astro-cid-vyopuo4l]{margin-bottom:12px}h1[data-astro-cid-vyopuo4l]{font-size:clamp(30px,5vw,52px);font-weight:700;letter-spacing:-.03em;line-height:1.06;margin:0 0 20px;color:var(--ink)}.meta[data-astro-cid-vyopuo4l]{display:flex;flex-wrap:wrap;gap:8px}.player-wrap[data-astro-cid-vyopuo4l]{background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--r-xl);padding:clamp(12px,2vw,20px);box-shadow:var(--shadow-sm)}.keyidea[data-astro-cid-vyopuo4l]{margin:36px 0;padding:26px 28px;background:var(--bg-soft);border-radius:var(--r-xl)}.ki-label[data-astro-cid-vyopuo4l]{display:block;font-size:13px;font-weight:600;color:var(--ink-faint);margin-bottom:8px}.keyidea[data-astro-cid-vyopuo4l] 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.dir[data-astro-cid-vyopuo4l]{font-size:13px;font-weight:500;color:var(--accent)}.navcard[data-astro-cid-vyopuo4l] .t[data-astro-cid-vyopuo4l]{font-weight:600;color:var(--ink);letter-spacing:-.01em}@media(max-width:560px){.rule-nav[data-astro-cid-vyopuo4l]{grid-template-columns:1fr}}.chips[data-astro-cid-vyopuo4l]{display:flex;flex-wrap:wrap;gap:10px}.rel-chip[data-astro-cid-vyopuo4l]{padding:9px 16px;border-radius:var(--r-pill);background:var(--surface-2);font-weight:500;font-size:14.5px;color:var(--ink);text-decoration:none!important;transition:background .15s var(--ease)}.rel-chip[data-astro-cid-vyopuo4l]:hover{background:var(--surface-3)}