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var(--m-muted));background:var(--x-soft, transparent);border-radius:6px;padding:3px 9px}.exam-card .btn-primary{align-self:flex-start;font-size:14.5px;padding:11px 22px;margin-top:4px}.exam-card .go{font-weight:700;font-size:14px;color:var(--brand);margin-top:4px}.x-ielts{--x: var(--x-ielts);--x-soft: var(--x-ielts-soft);--x-ink: var(--x-ielts-ink)}.x-pte{--x: var(--x-pte);--x-soft: var(--x-pte-soft);--x-ink: var(--x-pte-ink)}.x-det{--x: var(--x-det);--x-soft: var(--x-det-soft);--x-ink: var(--x-det-ink)}.kicker-ielts{background:var(--x-ielts-soft);color:var(--x-ielts-ink)}.exam-rule{border:0;border-top:3px solid var(--x-ielts);width:64px;margin:0 0 18px}.shelf{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}@media(max-width:860px){.shelf{grid-template-columns:repeat(2,1fr)}}@media(max-width:420px){.shelf{grid-template-columns:1fr}}.lesson-card{background:var(--card);border:2px solid 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th{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);font-weight:600;background:var(--surface-2)}table.data td{color:var(--ink)}table.data td.num,table.data th.num{font-family:var(--mono);font-variant-numeric:tabular-nums;text-align:right}table.data tr.hl-row td{color:var(--teal);font-weight:600}.figure-note{font-size:13px;color:var(--m-faint);margin-top:10px;max-width:62ch}.guide-cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:28px}.page-head{padding-top:clamp(32px,5vw,56px)}.page-head-art{display:inline-grid;place-items:center;width:58px;height:58px;border-radius:var(--r-card);margin-bottom:16px;color:var(--lv-ink, var(--teal-ink));background:var(--lv-soft, var(--teal-soft))}.page-head-art svg{width:60%;height:60%}.page-head.lv-listen{--lv-ink: var(--listen-ink);--lv-soft: var(--listen-soft)}.page-head.lv-read{--lv-ink: var(--read-ink);--lv-soft: var(--read-soft)}.page-head.lv-write{--lv-ink: var(--write-ink);--lv-soft: 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