:root{--primary:#2563EB;--primary-dark:#1D4ED8;--primary-light:#60A5FA;--primary-gradient:linear-gradient(145deg, #2563EB 0%, #1D4ED8 100%);--primary-soft:rgba(37, 99, 235, 0.06);--primary-glow:rgba(37, 99, 235, 0.12);--bg:#F1F5F9;--bg-card:#FFFFFF;--border:#E2E8F0;--gray:#94A3B8;--gray-dark:#64748B;--gray-deep:#334155;--gray-light:#CBD5E1;--accent:#F59E0B;--accent-light:#FCD34D;--accent-soft:#FEF3C7;--accent-gradient:linear-gradient(145deg, #F59E0B 0%, #D97706 100%);--green:#10B981;--green-soft:#ECFDF5;--green-gradient:linear-gradient(145deg, #10B981 0%, #059669 100%);--purple:#8B5CF6;--purple-soft:#EDE9FE;--purple-gradient:linear-gradient(145deg, #8B5CF6 0%, #7C3AED 100%);--rose:#F43F5E;--rose-soft:#FFE4E6;--rose-gradient:linear-gradient(145deg, #F43F5E 0%, #E11D48 100%);--cyan:#06B6D4;--cyan-soft:#CFFAFE;--cyan-gradient:linear-gradient(145deg, #06B6D4 0%, #0891B2 100%);--orange:#F97316;--orange-soft:#FFEDD5;--radius-lg:48px;--radius-md:32px;--radius-sm:24px;--radius-xs:16px;--radius-full:9999px;--shadow-sm:0 2px 12px rgba(0, 0, 0, 0.04);--shadow-md:0 8px 40px -8px rgba(0, 0, 0, 0.06);--shadow-lg:0 16px 56px -12px rgba(37, 99, 235, 0.10);--shadow-xl:0 24px 72px -16px rgba(37, 99, 235, 0.16);--shadow-glow:0 0 60px rgba(37, 99, 235, 0.06);--transition:all 0.4s cubic-bezier(0.4, 0, 0.2, 1)}*{margin:0;padding:0;box-sizing:border-box;font-family:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif}body{background:var(--bg);color:#0f172a;line-height:1.7;scroll-behavior:smooth;padding-top:80px;-webkit-font-smoothing:antialiased}.container{max-width:1280px;margin:0 auto;padding:0 2.5rem}@media (max-width:1024px){.container{padding:0 1.5rem}}@media (max-width:640px){.container{padding:0 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2.5rem;color:#fff;position:relative;overflow:hidden;box-shadow:var(--shadow-xl)}.hero::after{content:'';position:absolute;top:-50%;right:-20%;width:60%;height:200%;background:radial-gradient(ellipse,rgba(255,255,255,.04) 0,transparent 70%);pointer-events:none}.hero-deco{position:absolute;right:2rem;bottom:1rem;font-size:10rem;opacity:.06;pointer-events:none;font-weight:100;line-height:1}.hero-deco-2{position:absolute;right:12rem;top:-3rem;font-size:6rem;opacity:.04;pointer-events:none}.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.15);backdrop-filter:blur(8px);padding:.35rem 1.4rem;border-radius:40px;font-size:.78rem;font-weight:500;letter-spacing:.3px;border:1px solid rgba(255,255,255,.12);margin-bottom:1.25rem}.hero h1{font-size:3.2rem;font-weight:800;letter-spacing:-.03em;line-height:1.1;margin-bottom:.6rem;max-width:70%}.hero p{font-size:1.15rem;opacity:.88;max-width:55%;font-weight:400;line-height:1.7}@media (max-width:1024px){.hero{padding:3rem 2.5rem;border-radius:var(--radius-md)}.hero h1{font-size:2.4rem;max-width:80%}.hero p{max-width:70%;font-size:1rem}}@media (max-width:640px){.hero{padding:2rem 1.5rem;border-radius:var(--radius-sm)}.hero h1{font-size:1.6rem;max-width:100%}.hero p{max-width:100%;font-size:.92rem}.hero-deco{font-size:5rem;right:.5rem;bottom:.5rem}}.card{background:var(--bg-card);border-radius:var(--radius-md);border:1px solid rgba(226,232,240,.5);box-shadow:var(--shadow-sm);padding:2.5rem 3rem;margin:2rem 0;transition:var(--transition)}.card:hover{box-shadow:var(--shadow-md)}.card-products{background:var(--bg-card);border-radius:var(--radius-md);border:1px solid rgba(226,232,240,.5);box-shadow:var(--shadow-sm);padding:2.5rem 3rem;margin:2rem 0}.card-features{background:linear-gradient(145deg,#fff 0,#f8fafc 100%);border-radius:var(--radius-md);border:1px solid rgba(226,232,240,.5);box-shadow:var(--shadow-sm);padding:2.5rem 3rem;margin:2rem 0}.card-process{background:linear-gradient(145deg,#fff 0,#eff6ff 100%);border-radius:var(--radius-md);border:1px solid rgba(37,99,235,.08);box-shadow:var(--shadow-sm);padding:2.5rem 3rem;margin:2rem 0}.card-guarantee{background:linear-gradient(145deg,#fff 0,#ecfdf5 100%);border-radius:var(--radius-md);border:1px solid rgba(16,185,129,.08);box-shadow:var(--shadow-sm);padding:2.5rem 3rem;margin:2rem 0}.card-service{background:linear-gradient(145deg,#fff 0,#ede9fe 100%);border-radius:var(--radius-md);border:1px solid rgba(139,92,246,.08);box-shadow:var(--shadow-sm);padding:2.5rem 3rem;margin:2rem 0}.card-faq{background:var(--bg-card);border-radius:var(--radius-md);border:1px solid rgba(226,232,240,.5);box-shadow:var(--shadow-sm);padding:2.5rem 3rem;margin:2rem 0}.card-reviews{background:linear-gradient(145deg,#fff 0,#fef3c7 100%);border-radius:var(--radius-md);border:1px solid rgba(245,158,11,.08);box-shadow:var(--shadow-sm);padding:2.5rem 3rem;margin:2rem 0}@media (max-width:640px){.card,.card-faq,.card-features,.card-guarantee,.card-process,.card-products,.card-reviews,.card-service{padding:1.5rem 1.25rem;margin:1.25rem 0;border-radius:var(--radius-sm)}}.section-header{display:flex;flex-direction:column;align-items:flex-start;margin-bottom:2rem}.section-header .section-icon{width:48px;height:48px;border-radius:var(--radius-xs);display:flex;align-items:center;justify-content:center;font-size:1.3rem;margin-bottom:.75rem}.section-title{font-size:2.2rem;font-weight:800;letter-spacing:-.02em;color:#0f172a;line-height:1.2}.section-sub{color:var(--gray-dark);font-size:1.05rem;margin-top:.25rem;font-weight:400}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.75rem}.feature-card{background:#fff;border-radius:var(--radius-sm);padding:2rem 1.75rem;border:1px solid var(--border);transition:var(--transition);text-align:center;position:relative;overflow:hidden;box-shadow:var(--shadow-sm)}.feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--primary-gradient);opacity:0;transition:var(--transition)}.feature-card:hover{box-shadow:var(--shadow-lg)}.feature-card:hover::before{opacity:1}.feature-icon{width:64px;height:64px;border-radius:var(--radius-xs);display:flex;align-items:center;justify-content:center;font-size:1.6rem;margin:0 auto 1rem;transition:var(--transition);box-shadow:var(--shadow-sm)}.feature-card h3{font-size:1.1rem;font-weight:700;margin-bottom:.4rem;color:#0f172a}.feature-card p{font-size:.9rem;color:var(--gray-dark);line-height:1.6}.feature-card-blue .feature-icon{background:var(--primary-soft);color:var(--primary);border:1px solid rgba(37,99,235,.1)}.feature-card-blue:hover{border-color:var(--primary);background:#fff}.feature-card-blue:hover .feature-icon{background:var(--primary-gradient);color:#fff}.feature-card-green .feature-icon{background:var(--green-soft);color:var(--green);border:1px solid rgba(16,185,129,.1)}.feature-card-green:hover{border-color:var(--green);background:#fff}.feature-card-green:hover .feature-icon{background:var(--green-gradient);color:#fff}.feature-card-purple .feature-icon{background:var(--purple-soft);color:var(--purple);border:1px solid rgba(139,92,246,.1)}.feature-card-purple:hover{border-color:var(--purple);background:#fff}.feature-card-purple:hover .feature-icon{background:var(--purple-gradient);color:#fff}.feature-card-amber .feature-icon{background:var(--accent-soft);color:var(--accent);border:1px solid rgba(245,158,11,.1)}.feature-card-amber:hover{border-color:var(--accent);background:#fff}.feature-card-amber:hover .feature-icon{background:var(--accent-gradient);color:#fff}.feature-card-rose .feature-icon{background:var(--rose-soft);color:var(--rose);border:1px solid 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3rem;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1.5rem;margin:2rem 0;border:1px solid rgba(255,255,255,.06);box-shadow:0 8px 40px rgba(0,0,0,.12);position:relative;overflow:hidden}.banner-cta::before{content:'';position:absolute;top:-50%;right:-10%;width:40%;height:200%;background:radial-gradient(ellipse,rgba(37,99,235,.06) 0,transparent 70%);pointer-events:none}.banner-cta::after{content:'✦';position:absolute;right:2rem;bottom:-.5rem;font-size:8rem;opacity:.03;pointer-events:none;font-weight:100}.banner-cta .banner-tag{background:var(--accent-gradient);color:#fff;padding:.25rem 1.2rem;border-radius:40px;font-size:.7rem;font-weight:700;letter-spacing:.5px;text-transform:uppercase;display:inline-flex;align-items:center;gap:6px}.banner-cta .banner-text{font-weight:600;color:#f8fafc;flex:1;min-width:180px;font-size:1.05rem}.banner-cta .banner-text i{color:var(--accent);margin-right:8px}.btn-primary{background:var(--primary-gradient);color:#fff;border:none;padding:.7rem 2.4rem;border-radius:40px;font-weight:600;font-size:.9rem;transition:var(--transition);cursor:pointer;display:inline-flex;align-items:center;gap:10px;text-decoration:none;text-align:center;box-shadow:0 4px 20px rgba(37,99,235,.25)}.btn-primary:hover{box-shadow:0 8px 36px rgba(37,99,235,.35)}.btn-primary-outline{background:0 0;color:#f8fafc;border:1.5px solid rgba(255,255,255,.15);padding:.7rem 2.4rem;border-radius:40px;font-weight:600;font-size:.9rem;transition:var(--transition);cursor:pointer;display:inline-flex;align-items:center;gap:10px;text-decoration:none;text-align:center}.btn-primary-outline:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.25)}.banner-cta .btn-group{display:flex;gap:.75rem;flex-wrap:wrap}@media (max-width:640px){.banner-cta{padding:1.5rem;flex-direction:column;align-items:flex-start}.banner-cta .btn-group{width:100%}.banner-cta .btn-group a{flex:1;justify-content:center}}.filter-bar{display:flex;flex-wrap:wrap;gap:.6rem;margin-bottom:1.75rem;padding-bottom:1rem;border-bottom:2px solid var(--border)}.filter-btn{background:#fff;border:1px solid var(--border);border-radius:40px;padding:.5rem 1.5rem;font-size:.85rem;font-weight:500;color:var(--gray-deep);cursor:pointer;transition:var(--transition);display:inline-flex;align-items:center;gap:6px;box-shadow:var(--shadow-sm)}.filter-btn i{font-size:.8rem;color:var(--gray)}.filter-btn:hover{background:var(--primary-soft);border-color:var(--primary);color:var(--primary)}.filter-btn:hover i{color:var(--primary)}.filter-btn.active{background:var(--primary-gradient);color:#fff;border-color:var(--primary);box-shadow:0 4px 16px rgba(37,99,235,.15)}.filter-btn.active i{color:#fff}.table-wrap{overflow-x:auto;border-radius:var(--radius-sm);border:1px solid var(--border);background:#fff;box-shadow:var(--shadow-sm)}.product-table{width:100%;border-collapse:collapse;font-size:.95rem;min-width:600px}.product-table th{background:#f8fafc;padding:1rem 1.25rem;text-align:left;font-weight:600;color:#0f172a;border-bottom:2px solid var(--border);font-size:.8rem;text-transform:uppercase;letter-spacing:.5px}.product-table td{padding:1rem 1.25rem;border-bottom:1px solid var(--border);vertical-align:middle}.product-table tr:hover td{background:var(--primary-soft)}.product-table .product-name{font-weight:600;color:#0f172a;display:block}.product-table .product-desc{font-size:.8rem;color:var(--gray-dark);display:block;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:680px}.product-table .stock-tag{color:#059669;font-weight:600;font-size:.78rem;background:var(--green-soft);padding:.15rem .8rem;border-radius:30px;display:inline-flex;align-items:center;gap:4px}.product-table .stock-tag i{font-size:.6rem}.product-table .price{font-weight:700;color:#0f172a;font-size:1.05rem}.btn-buy{background:var(--primary-gradient);color:#fff;padding:.3rem 1.5rem;border-radius:40px;font-size:.8rem;font-weight:600;text-decoration:none;display:inline-flex;align-items:center;gap:6px;transition:var(--transition);box-shadow:0 2px 12px rgba(37,99,235,.15)}.btn-buy:hover{transform:scale(1.04);box-shadow:0 4px 20px rgba(37,99,235,.25)}.faq-item{border-bottom:1px solid var(--border);padding:1.2rem 0}.faq-item:last-child{border-bottom:none}.faq-question{display:flex;justify-content:space-between;align-items:center;cursor:pointer;font-weight:600;color:#0f172a;padding:.3rem 0;gap:1rem;transition:var(--transition);font-size:1rem}.faq-question:hover{color:var(--primary)}.faq-question .faq-icon-wrap{display:flex;align-items:center;gap:10px}.faq-question .faq-icon-wrap i:first-child{color:var(--primary);font-size:.9rem}.faq-question i.fa-chevron-down{font-size:.85rem;color:var(--gray);transition:var(--transition);flex-shrink:0}.faq-item.active .faq-question i.fa-chevron-down{transform:rotate(180deg);color:var(--primary)}.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease,opacity .3s ease,transform .3s ease;opacity:0;color:var(--gray-dark);font-size:.95rem;padding-right:1.5rem}.faq-answer.open{max-height:400px;opacity:1;padding-top:.75rem;transform:translateY(0)}.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:1.75rem;margin:1.5rem 0}.review-card{background:#fff;border-radius:var(--radius-sm);padding:1.5rem 1.75rem;border:1px solid var(--border);transition:var(--transition);box-shadow:var(--shadow-sm)}.review-card:hover{box-shadow:var(--shadow-lg);border-color:var(--accent)}.review-card .stars{color:var(--accent);font-size:1rem;letter-spacing:2px;margin-bottom:.4rem}.review-card .stars i{margin-right:1px}.review-card p{font-size:.92rem;color:#1e293b;margin:.5rem 0;line-height:1.6}.review-card .author{font-size:.8rem;color:var(--gray-dark);font-weight:500;display:flex;align-items:center;gap:6px;margin-top:.3rem}.review-card .author i{color:var(--primary);font-size:.7rem}@media (max-width:1024px){.reviews{grid-template-columns:repeat(2,1fr)}}@media (max-width:640px){.reviews{grid-template-columns:1fr;gap:1rem}.review-card{padding:1.25rem}}.footer{background:#fff;border-top:1px solid var(--border);padding:2rem 0;margin-top:2.5rem;text-align:center;color:var(--gray-dark);font-size:.9rem;box-shadow:0 -4px 24px rgba(0,0,0,.02)}.footer a{color:var(--gray-dark);text-decoration:none;transition:var(--transition)}.footer a:hover{color:var(--primary-dark);text-decoration:underline}.section-spacer{margin-top:2.5rem}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}.section-header-blue .section-icon{background:var(--primary-soft);color:var(--primary)}.section-header-green .section-icon{background:var(--green-soft);color:var(--green)}.section-header-purple .section-icon{background:var(--purple-soft);color:var(--purple)}.section-header-amber .section-icon{background:var(--accent-soft);color:var(--accent)}.section-header-rose .section-icon{background:var(--rose-soft);color:var(--rose)}.section-header-cyan .section-icon{background:var(--cyan-soft);color:var(--cyan)}:root{--primary:#2563EB;--primary-dark:#1D4ED8;--primary-light:#60A5FA;--primary-gradient:linear-gradient(145deg, #2563EB 0%, #1D4ED8 100%);--primary-soft:rgba(37, 99, 235, 0.06);--primary-glow:rgba(37, 99, 235, 0.12);--bg:#F1F5F9;--card-bg:#FFFFFF;--border:#E2E8F0;--text-primary:#0F172A;--text-secondary:#64748B;--text-muted:#94A3B8;--price-red:#EF4444;--success-green:#10B981;--success-soft:#ECFDF5;--accent:#F59E0B;--accent-soft:#FEF3C7;--shadow:0 2px 12px rgba(0, 0, 0, 0.04);--shadow-hover:0 8px 40px -8px rgba(37, 99, 235, 0.10);--shadow-lg:0 16px 56px -12px rgba(37, 99, 235, 0.08);--radius-sm:12px;--radius-md:20px;--radius-lg:32px;--transition:all 0.3s cubic-bezier(0.4, 0, 0.2, 1)}.container{max-width:1280px;margin:0 auto;padding:0 2.5rem}@media (max-width:1024px){.container{padding:0 1.5rem}}@media (max-width:640px){.container{padding:0 1rem}}.breadcrumb{margin:30px 0;font-size:.9rem;color:var(--text-secondary);display:flex;align-items:center;gap:6px;flex-wrap:wrap}.breadcrumb a{color:var(--primary);text-decoration:none;transition:var(--transition);font-weight:500}.breadcrumb a:hover{color:var(--primary-dark);text-decoration:underline}.breadcrumb .sep{color:var(--text-muted)}.breadcrumb .current{color:var(--text-primary);font-weight:600}.product-d-detail{background:var(--card-bg);border-radius:var(--radius-lg);padding:2.5rem 3rem;box-shadow:var(--shadow);border:1px solid rgba(226,232,240,.5);margin-bottom:60px;display:grid;grid-template-columns:1fr 1fr;gap:40px;transition:var(--transition)}.product-d-detail:hover{box-shadow:var(--shadow-hover)}.product-d-info,.purchase-options{border:none}.product-d-title{font-size:2rem;font-weight:800;margin-bottom:12px;color:var(--text-primary);letter-spacing:-.02em}.product-d-price{font-size:2.4rem;font-weight:700;color:var(--price-red);margin-bottom:28px;display:flex;align-items:center;gap:8px}.product-d-price .unit{font-size:1rem;font-weight:400;color:var(--text-muted)}.product-d-specs{margin-bottom:25px;background:var(--bg);border-radius:var(--radius-sm);padding:4px 0;border:1px solid var(--border)}.spec-row{display:flex;padding:14px 20px;border-bottom:1px solid var(--border);align-items:center}.spec-row:last-child{border-bottom:none}.spec-label{flex:0 0 140px;color:var(--text-secondary);font-weight:500;display:flex;align-items:center;gap:8px;font-size:.9rem}.spec-label i{color:var(--primary);width:18px;text-align:center}.spec-value{flex:1;font-weight:600;color:var(--text-primary);font-size:.95rem}.spec-value.highlight{color:var(--success-green)}.spec-value.warning{color:var(--accent)}.option-title{font-size:1.25rem;font-weight:700;margin-bottom:24px;color:var(--text-primary);display:flex;align-items:center;gap:10px}.option-title i{color:var(--primary)}.form-group{margin-bottom:22px}.form-label{display:block;margin-bottom:8px;color:var(--text-secondary);font-weight:500;font-size:.9rem}.required{color:var(--price-red);margin-left:2px}.email-input{width:100%;padding:12px 16px;border:2px solid var(--border);border-radius:var(--radius-sm);font-size:1rem;transition:var(--transition);background:#fff;color:var(--text-primary)}.email-input:focus{outline:0;border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-soft)}.email-input::placeholder{color:var(--text-muted)}.email-hint{margin-top:6px;font-size:.82rem;color:var(--text-secondary);display:flex;align-items:center;gap:6px}.email-hint i{color:var(--primary);font-size:.7rem}.quantity-selector{display:flex;align-items:center;background:#fff;border-radius:var(--radius-sm);border:2px solid var(--border);overflow:hidden;transition:var(--transition);max-width:160px}.quantity-selector:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-soft)}.quantity-btn{width:44px;height:44px;border:none;background:var(--bg);color:var(--text-primary);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1rem;transition:var(--transition);flex-shrink:0}.quantity-btn:hover{background:var(--primary-soft);color:var(--primary)}.quantity-btn:disabled{opacity:.4;cursor:not-allowed}.quantity-input{flex:1;height:44px;text-align:center;border:none;background:0 0;font-size:1rem;font-weight:600;color:var(--text-primary);outline:0;min-width:60px}.quantity-input::-webkit-inner-spin-button,.quantity-input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.quantity-input[type=number]{-moz-appearance:textfield}.payment-section{margin-bottom:20px}.payment-label{font-size:.9rem;color:var(--text-primary);margin-bottom:10px;font-weight:600;display:block}.payment-methods{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.payment-method{display:flex;align-items:center;gap:10px;padding:12px 14px;border:2px solid var(--border);border-radius:var(--radius-sm);background:#fff;cursor:pointer;transition:var(--transition);position:relative}.payment-method:hover{border-color:var(--primary);background:var(--primary-soft)}.payment-method.selected{border-color:var(--primary);background:var(--primary-soft);box-shadow:0 0 0 3px var(--primary-glow)}.payment-method input[type=radio]{display:none}.payment-icon{display:flex;align-items:center;justify-content:center;flex-shrink:0}.payment-icon img{border-radius:8px;width:36px;height:36px;object-fit:contain;background:#fff;padding:2px;border:1px solid var(--border)}.payment-text{font-size:.82rem;font-weight:600;color:var(--text-primary)}.payment-method.selected .payment-text{color:var(--primary)}.payment-method .check-mark{display:none;position:absolute;top:-6px;right:-6px;background:var(--primary);color:#fff;border-radius:50%;width:20px;height:20px;font-size:10px;align-items:center;justify-content:center}.payment-method.selected .check-mark{display:flex}.total-price{background:linear-gradient(145deg,var(--accent-soft),#fde68a);padding:16px 20px;border-radius:var(--radius-sm);margin-bottom:22px;display:flex;justify-content:space-between;align-items:center;border:1px solid rgba(245,158,11,.15)}.total-label{font-size:.95rem;color:#92400e;font-weight:600;display:flex;align-items:center;gap:8px}.total-label i{color:var(--accent)}.total-amount{font-size:1.8rem;font-weight:800;color:#92400e;letter-spacing:-.02em}.action-buttons{display:flex;gap:12px}.btn{padding:14px 28px;border:none;border-radius:var(--radius-sm);font-size:.95rem;cursor:pointer;transition:var(--transition);font-weight:600;text-align:center;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;flex:1}.btn-primary{background:var(--primary-gradient);color:#fff;box-shadow:0 4px 16px rgba(37,99,235,.2)}.btn-primary:hover{box-shadow:0 8px 32px rgba(37,99,235,.3)}.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-secondary{background:var(--bg);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--border)}.product-d-description{grid-column:1/-1;background:var(--bg);border-radius:var(--radius-sm);padding:2rem 2.5rem;border:1px solid var(--border);margin-top:0;transition:var(--transition)}.product-d-description:hover{background:var(--card-bg);box-shadow:var(--shadow-hover)}.description-d-title{font-size:1.3rem;font-weight:700;margin-bottom:20px;color:var(--text-primary);display:flex;align-items:center;gap:10px}.description-d-title i{color:var(--primary)}.description-d-content{line-height:1.8;color:var(--text-secondary)}.description-d-content p{margin-bottom:16px;font-size:1rem;line-height:1.8}.description-d-content ol,.description-d-content ul{margin:16px 0;padding-left:24px}.description-d-content li{margin-bottom:8px;line-height:1.7}.description-d-content h3{font-size:1.1rem;color:var(--text-primary);margin:20px 0 12px;font-weight:600;display:flex;align-items:center;gap:8px}.description-d-content h3 i{color:var(--primary)}.description-d-content strong{color:var(--text-primary)}.description-d-content blockquote{padding:16px 20px;background:var(--primary-soft);border-left:4px solid var(--primary);border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin:16px 0;color:var(--text-primary)}.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:16px 0}.feature-item{display:flex;align-items:center;gap:10px;padding:12px 16px;background:var(--card-bg);border-radius:var(--radius-sm);border:1px solid var(--border);transition:var(--transition)}.feature-item:hover{background:var(--primary-soft);border-color:var(--primary)}.feature-icon{color:var(--success-green);font-size:1rem}.security-notice{background:linear-gradient(145deg,#eff6ff,#dbeafe);padding:16px 20px;border-radius:var(--radius-sm);margin-top:24px;display:flex;align-items:center;gap:14px;border:1px solid rgba(37,99,235,.1)}.security-icon{font-size:1.3rem;color:var(--primary);flex-shrink:0}.security-text{flex:1;color:var(--primary-dark);font-size:.9rem;line-height:1.6;font-weight:500}.related-products{margin-bottom:60px}.section-title{font-size:2rem;font-weight:800;margin-bottom:8px;text-align:center;color:var(--text-primary);letter-spacing:-.02em}.section-title i{color:var(--primary);margin-right:8px}.section-subtitle{font-size:1.05rem;color:var(--text-secondary);text-align:center;margin-bottom:32px;max-width:600px;margin-left:auto;margin-right:auto}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.ks-product-card{background:var(--card-bg);border-radius:var(--radius-md);padding:1.5rem 1.75rem;box-shadow:var(--shadow);transition:var(--transition);border:1px solid rgba(226,232,240,.5);display:flex;flex-direction:column}.ks-product-card:hover{box-shadow:var(--shadow-hover);border-color:var(--primary)}.ks-product-card-title{font-size:1.1rem;font-weight:700;margin-bottom:10px;color:var(--text-primary);display:flex;align-items:center;gap:8px}.ks-product-card-description{color:var(--text-secondary);margin-bottom:14px;font-size:.9rem;line-height:1.6;flex-grow:1}.ks-product-card-price{color:var(--price-red);font-weight:700;font-size:1.3rem;margin-bottom:14px;display:flex;align-items:center;gap:4px}.ks-product-card-price .unit{font-size:.8rem;font-weight:400;color:var(--text-muted)}.ks-product-card-action{flex-grow:0}.ks-product-card-action .btn{padding:10px 20px;font-size:.85rem;flex:0 1 auto}.toast-container{position:fixed;top:20px;right:20px;z-index:9999;pointer-events:none}.toast{background:#fff;border-radius:12px;box-shadow:0 4px 24px rgba(0,0,0,.1);padding:14px 18px;margin-bottom:10px;min-width:280px;max-width:400px;display:flex;align-items:center;transform:translateX(100%);opacity:0;transition:all .3s cubic-bezier(.4, 0, .2, 1);pointer-events:auto;position:relative;border-left:4px solid var(--primary)}.toast.show{transform:translateX(0);opacity:1}.toast.success{border-left-color:var(--success-green)}.toast.success .toast-icon{color:var(--success-green)}.toast.error{border-left-color:var(--price-red)}.toast.error .toast-icon{color:var(--price-red)}.toast.warning{border-left-color:var(--accent)}.toast.warning .toast-icon{color:var(--accent)}.toast.info{border-left-color:var(--primary)}.toast.info .toast-icon{color:var(--primary)}.toast-icon{margin-right:12px;flex-shrink:0;font-size:1.2rem}.toast-content{flex:1}.toast-title{font-weight:600;font-size:.9rem;margin-bottom:2px;color:var(--text-primary)}.toast-message{font-size:.85rem;color:var(--text-secondary);line-height:1.4}.toast-close{position:absolute;top:6px;right:8px;background:0 0;border:none;font-size:1rem;color:var(--text-muted);cursor:pointer;padding:4px;line-height:1;opacity:.5;transition:opacity .2s}.toast-close:hover{opacity:1}.toast-progress{position:absolute;bottom:0;left:0;height:3px;background:var(--primary);border-radius:0 0 12px 12px;transform-origin:left;animation:progress 4s linear forwards}.toast.success .toast-progress{background:var(--success-green)}.toast.error .toast-progress{background:var(--price-red)}.toast.warning .toast-progress{background:var(--accent)}.toast.info .toast-progress{background:var(--primary)}@keyframes progress{0%{transform:scaleX(1)}to{transform:scaleX(0)}}.modal-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.7);z-index:2000;opacity:0;transition:opacity .3s ease}.modal-overlay.active{display:flex;align-items:center;justify-content:center;opacity:1}.modal-content{background:#fff;border-radius:20px;max-width:900px;width:90%;max-height:90vh;overflow-y:auto;transform:scale(.9);transition:transform .3s ease;box-shadow:0 20px 60px rgba(0,0,0,.3)}.modal-overlay.active .modal-content{transform:scale(1)}.modal-header{padding:25px 30px;border-bottom:1px solid #e0e0e0;display:flex;align-items:center;justify-content:space-between}.modal-title{font-weight:600;color:var(--text-primary);gap:10px;font-size:24px;display:flex;align-items:center}.close-btn{font-size:24px;width:40px;height:40px;border:none;background:#f5f5f5;border-radius:50%;cursor:pointer;justify-content:center;color:#666;transition:all .3s;display:flex}.close-btn:hover{background:#e0e0e0;color:#333}.modal-body{padding:30px;display:grid;grid-template-columns:repeat(2,1fr);gap:30px}.order-summary{background:linear-gradient(135deg,#f8f9fa,#e9ecef);padding:25px;border-radius:15px}.summary-title{font-size:18px;font-weight:600;color:var(--text-primary);margin-bottom:20px;gap:8px;display:flex;align-items:center}.summary-row{display:flex;align-items:center;justify-content:space-between;padding:10px 0;border-bottom:1px solid rgba(0,0,0,.08)}.summary-row-clear-bt{border-bottom:none}.summary-row:last-child{border-bottom:none;padding-top:15px;margin-top:5px;border-top:2px solid rgba(0,0,0,.1)}.summary-label{width:120px;color:var(--text-secondary);font-size:14px}.summary-value{font-weight:600;color:var(--text-primary)}.summary-value.total{font-size:24px;color:var(--price-red)}.summary-value.total::after{font-size:18px;content:' USDT'}.payment-title{font-size:16px;font-weight:600;color:var(--text-primary);margin-bottom:15px;display:flex;align-items:center;gap:8px}.selected-payment{background:#f0fdf4;border:2px solid var(--success-green);padding:15px;border-radius:10px;display:flex;align-items:center;gap:15px;margin-bottom:20px}.selected-payment .payment-icon{font-size:2rem;color:var(--success-green)}.qr-section{text-align:center;padding:20px;margin-bottom:20px}.qr-code{width:200px;height:200px;margin:0 auto 15px;background:#fff;padding:10px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:14px;color:#999;border:1px solid #e0e0e0}.address-section{background:#fff;border:2px solid #e0e0e0;border-radius:10px;padding:15px;margin-bottom:15px;position:relative}.address-label{font-size:13px;color:var(--text-secondary);margin-bottom:8px;display:flex;align-items:center;gap:5px}.address-value{font-size:14px;word-break:break-all;color:var(--text-primary);line-height:1.4;padding-right:40px;width:85%}.copy-btn{position:absolute;right:10px;top:50%;transform:translateY(-50%);background:var(--success-green);color:#fff;border:none;padding:8px 15px;border-radius:6px;font-size:13px;cursor:pointer;transition:all .3s;display:flex;align-items:center;gap:5px}.copy-btn:hover{background:var(--primary-dark)}.copy-btn.copied{background:var(--success-green)}.btn-confirm{background:linear-gradient(135deg,var(--success-green),var(--primary-dark));color:#fff;padding:15px 25px;border:none;border-radius:var(--btn-radius);font-size:1rem;cursor:pointer;transition:var(--transition);font-weight:600;width:100%;display:flex;align-items:center;justify-content:center;gap:8px}.btn-confirm:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 5px 15px rgba(7,193,96,.4)}.btn-confirm:disabled{opacity:.6;cursor:not-allowed}.countdown-section{background:linear-gradient(135deg,#fee2e2,#fecaca);padding:20px;border-radius:12px;margin-bottom:25px;text-align:center}.countdown-title{font-size:14px;color:#991b1b;margin-bottom:10px;font-weight:600;display:flex;align-items:center;justify-content:center;gap:5px}.countdown-timer{font-size:36px;font-weight:700;color:#dc2626;font-family:Courier New,monospace;letter-spacing:2px}.countdown-timer.warning{animation:blink 1s ease-in-out infinite}@keyframes blink{0%,50%{opacity:1}51%,to{opacity:.3}}.countdown-hint{font-size:12px;color:#7f1d1d;margin-top:8px}@media (max-width:1024px){.product-grid{grid-template-columns:repeat(2,1fr)}.product-d-detail{padding:2rem 1.75rem;gap:28px}}@media (max-width:768px){.breadcrumb{margin:16px 0;font-size:.8rem}.modal-body{grid-template-columns:1fr;gap:20px}.product-d-detail{grid-template-columns:1fr;gap:20px;padding:1.5rem;border-radius:var(--radius-md)}.product-d-title{font-size:1.5rem}.product-d-price{font-size:1.8rem}.spec-label{flex:0 0 110px;font-size:.8rem}.spec-value{font-size:.85rem}.payment-methods{grid-template-columns:repeat(2,1fr)}.action-buttons{flex-direction:column}.action-buttons .btn{flex:1}.product-grid{grid-template-columns:1fr;gap:16px}.product-d-description{padding:1.25rem}.feature-list{grid-template-columns:1fr}.section-title{font-size:1.5rem}.table-wrap{background:0 0;border-radius:0;border:0;box-shadow:unset}.product-table{min-width:100%}.product-table thead{display:none}.product-table .product-desc{display:none}.product-table,.product-table tbody,.product-table td,.product-table tr{display:block;width:100%}.product-table tr{margin-bottom:20px;position:relative;border-radius:28px;border:1px solid var(--border);overflow:hidden}.product-table td{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;border-radius:0!important;box-shadow:none}.product-table td:first-child::before{content:'';width:0}.product-table td::before{content:attr(data-label);font-weight:400;color:#64748b;width:40%;font-size:.9rem}.product-table td:first-child>small{display:none}.product-table td:last-child{border-bottom:none}.product-table tr:hover td{background:0 0}}@media (max-width:480px){.product-d-detail{padding:1.25rem;border-radius:var(--radius-sm)}.product-d-title{font-size:1.3rem}.product-d-price{font-size:1.5rem}.total-amount{font-size:1.4rem}.payment-methods{grid-template-columns:1fr}.quantity-selector{max-width:140px}.quantity-btn{width:38px;height:38px}.quantity-input{height:38px;min-width:50px}.ks-product-card{padding:1.25rem}.modal-content{width:95%;max-height:95vh;margin:10px}.modal-header{padding:20px}.modal-title{font-size:20px}.modal-body{padding:20px}.address-value{font-size:12px}}