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#14202e24;--fs-caption:.75rem;--fs-sm:.8125rem;--fs-body:.875rem;--fs-title:1rem;--fs-h3:1.125rem;--fs-h2:1.375rem;--classroom-bg:#f1f1f1;--classroom-card:#fff;--classroom-card-soft:#fbfcff;--classroom-accent:#6f55ff;--classroom-accent-strong:#5b3ff4;--classroom-accent-soft:#f0edff;--classroom-text:#171827;--classroom-muted:#71758a;--classroom-line:#e6e8f1;--classroom-live:#24d08b;--classroom-danger:#ff414d;--classroom-radius-lg:26px;--classroom-radius-md:18px;--classroom-shadow:0 24px 70px #262b461a;--classroom-shadow-soft:0 16px 42px #53598217;--classroom-gap:clamp(7px, .7vw, 12px);--classroom-font-family:Vazirmatn, IRANSans, "Segoe UI", Tahoma, sans-serif;--classroom-type-title:1.12rem;--classroom-type-subtitle:.86rem;--classroom-type-body:.92rem;--classroom-type-small:.78rem;--classroom-type-tiny:.72rem}.commercial-shell{width:min(1180px,100% - 32px);margin:0 auto;padding:36px 0 48px}.commercial-hero{grid-template-columns:minmax(0,1.1fr) 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