.sidebar-sticky{position:sticky;top:76px}.mobile-buy-bar{display:none;position:fixed;bottom:0;left:0;right:0;z-index:1050;background:#fff;border-top:1px solid #dee2e6;padding:.75rem 1rem;gap:.75rem;align-items:center}@media (max-width:991.98px){.mobile-buy-bar{display:flex}body{padding-bottom:72px}}.file-item{display:flex;align-items:start;gap:.75rem;padding:.65rem .8rem;border-radius:8px;border:1px solid #e5e7eb;background:#fff;word-break:break-word}.faq-accordion .accordion-button{background:#f8f9fa;font-weight:500;box-shadow:none;border:none;color:#212529}.faq-accordion .accordion-button:not(.collapsed){background:#e2e2e2;color:#151718}.faq-accordion .accordion-button::after{filter:none}.review-avatar{width:38px;height:38px;border-radius:50%;object-fit:cover;flex-shrink:0}.review-like-btn{background:none;border:none;color:#9ca3af;font-size:.8rem;cursor:pointer;padding:.2rem .4rem;transition:color .2s}.review-like-btn:hover{color:#3b82f6}.review-rate-badge{font-size:.78rem}.chapter-block{border:1px solid #e5e7eb;border-radius:8px;overflow:hidden;margin-bottom:.75rem}.chapter-header{background:#f8f9fa;padding:.65rem 1rem;font-weight:600;font-size:.9rem;cursor:pointer}.lesson-item{padding:.5rem 1rem;font-size:.85rem;border-top:1px solid #f0f0f0;display:flex;align-items:center;gap:.5rem}.lesson-item i{width:16px;text-align:center;color:#6c757d}.stock-row{display:flex;justify-content:space-between;align-items:center;font-size:.78rem;font-weight:600;margin-bottom:.45rem;color:#555}.stock-row .sold{color:#28a745}.stock-row .remaining{color:#454545}.progress-wrap{position:relative;height:11px;border-radius:99px;background:#e9ecef;overflow:hidden}.progress-fill{position:absolute;left:0;top:0;bottom:0;border-radius:99px;background:linear-gradient(90deg,#f5a623 0%,#f7c45e 60%,#f5a623 100%);background-size:200% 100%;overflow:hidden;transition:width .6s cubic-bezier(.4,0,.2,1)}.progress-fill::after{content:'';position:absolute;top:0;left:-60%;width:50%;height:100%;background:linear-gradient(120deg,transparent 30%,rgb(255 255 255 / .55) 50%,transparent 70%);animation:sheen 2.2s ease-in-out infinite}.progress-fill.filling{animation:fillUp 1.2s cubic-bezier(.4,0,.2,1) forwards}@keyframes sheen{0%{left:-60%}100%{left:130%}}@keyframes fillUp{0%{width:var(--fill-from);background-position:0% 0%}70%{width:100%;background-position:100% 0%;filter:brightness(1.08)}100%{width:var(--fill-from);background-position:0% 0%;filter:brightness(1)}}.badge-limited{display:inline-flex;align-items:center;line-height:1.2;gap:.3rem;font-size:.65rem;font-weight:500;color:#dc3545;letter-spacing:.02em;text-transform:uppercase}.badge-limited i{font-size:.8rem;animation:pulse-dot 1.1s ease-in-out infinite}@keyframes pulse-dot{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.25)}}.price-old{font-size:1rem;color:#aaa;text-decoration:line-through}.price-new{font-size:2rem;font-weight:700;color:#dc3545;line-height:1;letter-spacing:-.02em}.price-unit{font-size:.85rem;font-weight:600;color:#dc3545}.discount-badge{background:#181818;color:#f5f5f5;font-size:.68rem;font-weight:700;padding:.18rem .45rem;border-radius:6px;letter-spacing:.03em;vertical-align:middle;margin-bottom:40px;display:inline-block}@media screen and (max-width :768px){.price-old{font-size:.85rem}.price-new{font-size:1.56rem}.price-unit{font-size:.75rem}.discount-badge{font-size:.6rem;padding:.13rem .35rem;margin-bottom:18px}}.countdown-label{font-size:.78rem;color:#888;font-weight:500;text-align:center;margin-bottom:.5rem}.countdown-wrap{display:flex;justify-content:center;gap:.5rem;margin-bottom:1rem}.checkoutPage .countdown-wrap{gap:.2rem;margin-bottom:0rem}.cd-unit{display:flex;flex-direction:column;align-items:center;gap:.18rem}.cd-box{background:#d50d0d27;color:#a50505;font-size:1.2rem;font-weight:700;width:47px;height:47px;display:flex;align-items:center;justify-content:center;border-radius:8px;letter-spacing:.04em;position:relative;overflow:hidden;transition:transform .15s}.checkoutPage .cd-box{background:#d50d0d27;color:#a50505;font-size:.8rem;width:28px;height:28px}.cd-box.elapsed{background:#4f4f4f27;color:#585858}.cd-box.flip{animation:flip-num .22s ease-in-out}@keyframes flip-num{0%{transform:rotateX(0deg)}50%{transform:rotateX(-90deg);opacity:.4}100%{transform:rotateX(0deg)}}.cd-box::before{content:'';position:absolute;top:0;left:0;right:0;height:50%;background:rgb(255 255 255 / .04);border-radius:10px 10px 0 0}.cd-sep{font-size:1.4rem;font-weight:800;color:#9d9d9d;line-height:52px}.checkoutPage .cd-sep{font-size:.7rem;line-height:32px}.cd-label{font-size:.6rem;font-weight:600;color:#4d4d4d;text-transform:uppercase;letter-spacing:.06em}.checkoutPage .cd-label{font-size:.5rem}.btn-cta{display:block;width:100%;padding:.75rem 1rem;background:linear-gradient(135deg,#ff9143 0%,#f37820 100%);border:none;border-radius:8px;font-size:1rem;font-weight:700;color:#fff;text-align:center;letter-spacing:.01em;cursor:pointer;box-shadow:0 4px 18px rgb(255 138 13 / .201);transition:transform .15s,box-shadow .15s,filter .15s;text-decoration:none;position:relative;overflow:hidden}.btn-cta:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgb(255 138 13 / .292);color:#fff}.btn-shine:active{transform:translateY(0)}.btn-shine::after{content:'';position:absolute;top:0;left:-100%;width:60%;height:100%;background:linear-gradient(120deg,transparent,rgb(255 255 255 / .3),transparent);animation:cta-shine 2.5s ease-in-out infinite 1s}@keyframes cta-shine{0%{left:-100%}60%{left:130%}100%{left:130%}}.trust-row{display:flex;align-items:center;font-size:.73rem;color:#666;margin-bottom:.35rem;flex-wrap:wrap;gap:8px;margin-top:18px}.trust-item{display:flex;align-items:center;gap:5px;font-size:.68rem;font-weight:600;color:#3d3d3d;background:#f8f8f8;border-radius:50px;padding:5px 12px}.trust-row i{color:#28a745;font-size:.85rem}.payment-label{font-size:.72rem;color:#aaa;font-weight:500;margin-bottom:.5rem;margin-top:.6rem;text-align:center}.payment-icons{display:flex;flex-wrap:wrap;justify-content:center;gap:.4rem}.pay-icon{width:38px;height:26px;border-radius:5px;border:1px solid #e2e6ea;background:#f0f0f0;display:flex;align-items:center;justify-content:center;font-size:.62rem;font-weight:700;color:#333;letter-spacing:-.01em}.pay-icon img{object-fit:contain!important}.sidebar-divider{border-top:1px solid #f0f0f0;margin:.85rem 0 .6rem}.bottom-actions{display:flex;justify-content:space-around;padding:.6rem .5rem .3rem;border-top:1px solid #f0f0f0}.bottom-action{display:flex;flex-direction:column;align-items:center;gap:.2rem;font-size:.68rem;font-weight:600;color:#777;cursor:pointer;text-decoration:none;transition:color .15s}.bottom-action i{font-size:1rem}.bottom-action:hover{color:#f37820}@keyframes urgency-ring{0%{box-shadow:0 8px 40px rgb(0 0 0 / .10),0 0 0 0 rgb(220 53 69 / .18)}70%{box-shadow:0 8px 40px rgb(0 0 0 / .10),0 0 0 10px #fff0}100%{box-shadow:0 8px 40px rgb(0 0 0 / .10),0 0 0 0 #fff0}}.product-sidebar:hover{animation:urgency-ring 1.8s ease-out 1}@keyframes shake-cta{0%{transform:translateX(0) rotate(0deg)}2%{transform:translateX(-6px) rotate(-1.5deg)}4%{transform:translateX(6px) rotate(1.5deg)}6%{transform:translateX(-6px) rotate(-1.5deg)}8%{transform:translateX(6px) rotate(1.5deg)}10%{transform:translateX(-4px) rotate(-1deg)}12%{transform:translateX(4px) rotate(1deg)}14%{transform:translateX(-2px) rotate(-0.5deg)}16%{transform:translateX(0) rotate(0deg)}100%{transform:translateX(0) rotate(0deg)}}.btn-shake{animation:shake-cta 2.5s cubic-bezier(.36,.07,.19,.97) infinite;transform-origin:center center}.btn-shake:hover,.btn-shake:focus{animation-play-state:paused}