:root{--primary:#7B4BFF;--primary-light:#9D7AFF;--primary-dark:#5A2ED8;--secondary:#FF7B89;--accent:#00D4AA;--light:#FFFFFF;--light-gray:#F5F7FC;--gray:#E9ECF2;--dark-gray:#6C7A94;--text:#1A2639;--text-secondary:#4A5A72;--border:#E2E7F0;--shadow:0 12px 30px rgba(0, 0, 0, 0.05);--shadow-hover:0 20px 35px rgba(123, 75, 255, 0.12);--safe-bg:#fafbff}*{margin:0;padding:0;box-sizing:border-box;font-family:Inter,system-ui,-apple-system,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif}body{background:var(--light);color:var(--text);line-height:1.5;min-height:100vh}.container{max-width:1280px;margin:0 auto;padding:0 24px}header{background:rgba(255,255,255,.85);backdrop-filter:blur(10px);box-shadow:0 4px 20px rgba(0,0,0,.02);padding:12px 0;position:sticky;top:0;z-index:100;border-bottom:1px solid var(--border)}.header-content{display:flex;justify-content:space-between;align-items:center}.logo{display:flex;align-items:center;gap:12px}.logo-icon{background:linear-gradient(135deg,var(--primary) 0,var(--primary-light) 100%);width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:22px;color:#fff;box-shadow:0 8px 16px rgba(123,75,255,.25)}.logo-text{font-size:24px;font-weight:700;letter-spacing:-.3px;color:var(--text)}.logo-text span{background:linear-gradient(145deg,var(--primary) 10%,var(--secondary) 90%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.nav-container{display:flex;align-items:center}.nav-close,.nav-toggle{display:none}nav ul{display:flex;list-style:none;gap:36px}nav ul li a{text-decoration:none;color:var(--text);font-weight:500;transition:color .2s;display:flex;align-items:center;gap:8px;font-size:1.05rem}nav ul li a i{color:var(--primary)}nav ul li a:hover{color:var(--primary)}.hero{padding:60px 0 40px;background:linear-gradient(145deg,#f8faff 0,#fff 100%);border-bottom:1px solid var(--border)}.hero h1{font-size:2.5rem;font-weight:750;line-height:1.2;max-width:800px;margin:0 auto 20px}.hero h1 span{background:linear-gradient(120deg,var(--primary) 20%,var(--secondary) 80%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero p{font-size:1.3rem;color:var(--text-secondary);text-align:center;margin:0 auto 30px}.hero-stats{display:flex;justify-content:center;gap:50px;flex-wrap:wrap}.stat-number{font-size:2.4rem;font-weight:800;color:var(--primary)}.section-title{font-size:2.2rem;margin:28px 0;display:flex;align-items:center;gap:12px;font-weight:650}.section-title i{color:var(--primary)}.category-filters{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:25px}.category-filter{padding:12px 26px;background:var(--light);border-radius:40px;border:1px solid var(--border);font-weight:550;transition:all .2s;cursor:pointer;font-size:.95rem;box-shadow:0 2px 6px rgba(0,0,0,.01)}.category-filter.active,.category-filter:hover{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 10px 22px rgba(123,75,255,.25)}.product-list{background:var(--light);border-radius:24px;border:1px solid var(--border);box-shadow:var(--shadow);overflow:hidden}.product-header{display:grid;grid-template-columns:5fr 1fr 1fr 1fr;padding:18px 25px;background:var(--light-gray);font-weight:650;color:var(--text);border-bottom:1px solid var(--border)}.product-row{display:grid;grid-template-columns:5fr 1fr 1fr 1fr;padding:20px 25px;border-bottom:1px solid var(--border);align-items:center;transition:background .15s}.product-row:hover{background:var(--light-gray)}.product-title{font-weight:650;font-size:16px;display:flex;gap:12px;align-items:center}.product-price{font-size:1.6rem;font-weight:700;color:var(--primary)}.btn-buy{padding:12px 28px;background:var(--primary);color:#fff;border-radius:40px;font-weight:600;text-align:center;transition:.2s;display:inline-block;text-decoration:none;border:none}.btn-buy:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 12px 22px rgba(123,75,255,.35)}.faq-section{background:var(--light-gray);padding:60px 0}.faq-item{background:var(--light);border-radius:20px;margin-bottom:16px;box-shadow:0 4px 14px rgba(0,0,0,.02);border:1px solid var(--border)}.faq-question{padding:22px 28px;font-size:1.2rem;font-weight:620;cursor:pointer;display:flex;justify-content:space-between;align-items:center}.faq-answer{padding:0 28px;max-height:0;overflow:hidden;transition:max-height .35s ease;color:var(--text-secondary)}.faq-item.active .faq-answer{max-height:200px;padding-bottom:22px}.faq-item.active .faq-question i{transform:rotate(180deg)}.testimonials-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.testimonial-rating{color:#ffc107;margin-bottom:15px}.testimonial-card{background:var(--light);border-radius:24px;padding:28px;box-shadow:var(--shadow);transition:.2s;border:1px solid var(--border)}.testimonial-card:hover{box-shadow:var(--shadow-hover)}.testimonial-header{display:flex;align-items:center;margin-bottom:15px}.testimonial-avatar{width:50px;height:50px;border-radius:50%;background:var(--primary);display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px;margin-right:15px}footer{padding:28px 0;border-top:1px solid var(--border);text-align:center;color:var(--dark-gray)}.testimonials-section{margin-bottom:28px}.toast-container{position:fixed;top:20px;right:20px;z-index:9999;pointer-events:none}.toast{background:#fff;color:#fff;border-radius:8px;box-shadow:0 4px 20px rgba(0,0,0,.15);padding:16px 20px;margin-bottom:10px;min-width:300px;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}.toast.show{transform:translateX(0);opacity:1}.toast.success{background:#28a745}.toast.error{background:#ef4444}.toast.warning{border-left-color:#f59e0b;background:linear-gradient(135deg,#fffbeb,#fef3c7)}.toast.info{border-left-color:#3b82f6;background:linear-gradient(135deg,#eff6ff,#dbeafe)}.toast.info .toast-icon{color:#3b82f6}.toast-icon{margin-right:12px;flex-shrink:0}.toast-content{flex:1}.toast-title{font-weight:600;font-size:14px;margin-bottom:2px;color:#374151}.toast-message{font-size:13px;line-height:1.4}.toast-close{position:absolute;top:8px;right:8px;background:0 0;border:none;font-size:18px;color:#fff;cursor:pointer;padding:4px;line-height:1;opacity:.7;transition:opacity .2s}.toast-close:hover{opacity:1}.toast-progress{position:absolute;bottom:0;left:0;height:3px;background:rgba(0,0,0,.1);border-radius:0 0 8px 8px;transform-origin:left;animation:progress linear}.toast.success .toast-progress{background:#10b981}.toast.error .toast-progress{background:#ef4444}.toast.warning .toast-progress{background:#f59e0b}.toast.info .toast-progress{background:#3b82f6}@keyframes progress{0%{transform:scaleX(1)}to{transform:scaleX(0)}}@media (max-width:900px){.hero h1{font-size:2.6rem}.articles-grid,.testimonials-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:700px){.nav-toggle{display:block;font-size:1.8rem;background:0 0;border:none;color:var(--primary)}nav{position:fixed;top:0;left:-320px;width:280px;height:100vh;background:var(--light);z-index:200;padding:60px 20px;transition:left .3s;box-shadow:5px 0 30px rgba(0,0,0,.1)}nav.active{left:0}.nav-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.4);z-index:190;opacity:0;visibility:hidden;transition:.2s}.nav-overlay.active{opacity:1;visibility:visible}nav ul{flex-direction:column;gap:10px}.nav-close{display:block;position:absolute;top:18px;right:18px;background:0 0;border:none;font-size:1.8rem}.product-header{display:none}.product-row{grid-template-columns:1fr;gap:15px}.articles-grid,.testimonials-grid{grid-template-columns:1fr}}.product-category-h3{font-size:1.2rem;font-weight:600;margin:30px 0 15px;color:var(--text)}.stock-high{color:var(--accent)}:root{--primary:#7B4BFF;--primary-light:#9D7AFF;--primary-dark:#5A2ED8;--secondary:#FF7B89;--accent:#00D4AA;--light:#FFFFFF;--light-gray:#F5F7FC;--gray:#E9ECF2;--dark-gray:#6C7A94;--text:#1A2639;--text-secondary:#4A5A72;--border:#E2E7F0;--shadow:0 12px 30px rgba(0, 0, 0, 0.05);--shadow-hover:0 20px 35px rgba(123, 75, 255, 0.12);--bg-color:#fafbff;--price-red:#ef4444;--success-green:#00D4AA;--transition:all 0.3s ease;--card-radius:16px;--btn-radius:40px;--bs-card-spacer-y:30px;--bs-card-spacer-x:30px;--bs-card-title-spacer-y:0.5rem;--bs-card-title-color:#1A2639;--bs-card-subtitle-color:#4A5A72;--bs-card-border-width:1px;--bs-card-border-color:#E2E7F0;--bs-card-border-radius:16px;--bs-card-box-shadow:0 12px 30px rgba(0, 0, 0, 0.05);--bs-card-inner-border-radius:16px;--bs-card-cap-padding-y:15px;--bs-card-cap-padding-x:30px;--bs-card-cap-bg:#F5F7FC;--bs-card-bg:#FFFFFF;--bs-card-img-overlay-padding:1rem;--bs-card-group-margin:12px}*{margin:0;padding:0;box-sizing:border-box;font-family:Inter,system-ui,-apple-system,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif}body{background:var(--bg-color);color:var(--text);line-height:1.5;min-height:100vh}.container{max-width:1280px;margin:0 auto;padding:0 24px}.breadcrumb{margin:30px 0;font-size:.95rem;color:var(--text-secondary)}.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 span{margin:0 8px}.product-d-detail{background:var(--card-bg);border-radius:var(--card-radius);padding:var(--bs-card-spacer-y) var(--bs-card-spacer-x);box-shadow:var(--shadow);border:1px solid var(--border);margin-bottom:60px;display:grid;grid-template-columns:1fr 1fr;gap:40px}.product-d-info,.purchase-options{border:none}.product-d-title{font-size:1.8rem;font-weight:700;margin-bottom:15px;color:var(--text);letter-spacing:-.3px}.product-d-price{font-size:2.2rem;font-weight:700;color:var(--primary);margin-bottom:25px}.product-d-specs{margin-bottom:25px}.spec-row{display:flex;padding:14px 0;border-bottom:1px solid var(--border)}.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}.spec-label i{color:var(--primary)}.spec-value{flex:1;font-weight:600;color:var(--text)}.spec-value.highlight{color:var(--success-green)}.option-title{font-size:1.3rem;font-weight:600;margin-bottom:25px;color:var(--text);display:flex;align-items:center;gap:8px}.option-title i{color:var(--primary)}.form-group{margin-bottom:25px}.form-label{display:block;margin-bottom:10px;color:var(--text-secondary);font-weight:500;font-size:.95rem}.required{color:var(--price-red)}.email-input{width:100%;padding:14px 18px;border:1px solid var(--border);border-radius:var(--btn-radius);font-size:1rem;transition:var(--transition);background:var(--light)}.email-input:focus{outline:0;border-color:var(--primary);box-shadow:0 0 0 4px rgba(123,75,255,.1)}.email-hint{margin-top:8px;font-size:.85rem;color:var(--text-secondary);display:flex;align-items:center;gap:5px}.quantity-selector{display:flex;align-items:center;background:var(--light);border-radius:var(--btn-radius);border:1px solid var(--border);overflow:hidden;transition:var(--transition);max-width:150px}.quantity-selector:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(123,75,255,.1)}.quantity-btn{width:44px;height:44px;border:none;background:var(--light-gray);color:var(--text);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1rem;transition:var(--transition)}.quantity-btn:hover{background:var(--primary-light);color:#fff}.quantity-btn:disabled{opacity:.5;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);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:.95rem;color:var(--text);margin-bottom:8px;font-weight:600}.payment-methods{display:flex;gap:10px;flex-wrap:wrap}.payment-method{flex:1;min-width:120px;padding:16px 12px;border:1px solid var(--border);border-radius:12px;background:var(--light);cursor:pointer;transition:var(--transition);text-align:center;font-size:.85rem;font-weight:600}.payment-method.selected,.payment-method:hover{border-color:var(--primary);background:var(--light-gray);box-shadow:0 8px 16px rgba(123,75,255,.08)}.payment-method input[type=radio]{display:none}.payment-icon{margin-bottom:8px}.payment-icon>img{border-radius:10px}.total-price{background:linear-gradient(135deg,var(--light-gray),var(--gray));padding:18px 20px;border-radius:var(--card-radius);margin-bottom:25px;display:flex;justify-content:space-between;align-items:center;border:1px solid var(--border)}.total-label{font-size:1rem;color:var(--text-secondary);font-weight:500}.total-label i{color:var(--primary);margin-right:6px}.total-amount{font-size:1.8rem;font-weight:700;color:var(--primary)}.action-buttons{display:flex;gap:15px}.btn{padding:16px 28px;border:none;border-radius:var(--btn-radius);font-size:1rem;cursor:pointer;transition:var(--transition);font-weight:600;flex:1;text-align:center;text-decoration:none;display:inline-block;letter-spacing:.3px}.btn-primary{background:linear-gradient(135deg,var(--primary) 0,var(--primary-light) 100%);color:#fff;box-shadow:0 8px 16px rgba(123,75,255,.25)}.btn-primary:hover{box-shadow:0 12px 24px rgba(123,75,255,.35)}.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-secondary{background:linear-gradient(135deg,var(--light-gray),var(--gray));color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:linear-gradient(135deg,var(--gray),#d0d8e6)}.product-d-description{grid-column:1/-1;margin-top:20px}.description-d-title{font-size:1.5rem;margin-bottom:25px;color:var(--text);display:flex;align-items:center;gap:10px;font-weight:650}.description-d-title i{color:var(--primary)}.description-d-content{line-height:1.8;color:var(--text-secondary)}.description-d-content p{margin-bottom:20px;font-size:1.05rem;line-height:1.8}.description-d-content ol,.description-d-content ul{margin:20px 0;padding-left:25px}.description-d-content li{margin-bottom:10px;line-height:1.6}.description-d-content h3{font-size:1.3rem;color:var(--text);margin:25px 0 15px;font-weight:600;display:flex;align-items:center;gap:10px}.description-d-content strong{color:var(--text)}.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:15px;margin:20px 0}.feature-item{display:flex;align-items:center;gap:12px;padding:16px 18px;background:var(--light-gray);border-radius:12px;border:1px solid var(--border)}.feature-icon{color:var(--success-green);font-size:1.2rem}.security-notice{background:linear-gradient(135deg,#eef2ff,#e0e7ff);padding:20px 24px;border-radius:var(--card-radius);margin-top:30px;display:flex;align-items:center;gap:15px;border:1px solid var(--border)}.security-icon{font-size:1.5rem;color:var(--primary)}.security-text{flex:1;color:var(--text);font-size:.95rem;line-height:1.6}.related-products{margin-bottom:80px}.section_d-title{font-size:2rem;font-weight:700;margin-bottom:15px;text-align:center;color:var(--text);letter-spacing:-.3px}.section_d-title i{color:var(--primary);margin-right:8px}.section-subtitle{font-size:1.1rem;color:var(--text-secondary);text-align:center;margin-bottom:40px;max-width:600px;margin-left:auto;margin-right:auto}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.product-card{background:var(--card-bg);border-radius:var(--card-radius);padding:28px;box-shadow:var(--shadow);transition:var(--transition);border:1px solid var(--border);display:flex;flex-direction:column}.product-card:hover{box-shadow:var(--shadow-hover);border-color:var(--primary-light)}.product-card-title{font-size:1.2rem;font-weight:600;margin-bottom:15px;color:var(--text);flex-grow:0;display:flex;align-items:center;gap:8px}.product-card-description{color:var(--text-secondary);margin-bottom:20px;font-size:.95rem;line-height:1.6;flex-grow:1}.product-card-price{color:var(--primary);font-weight:700;font-size:1.5rem;margin-bottom:20px;flex-grow:0}.product-card-action{flex-grow:0}.product-card-action .btn-primary{padding:12px 20px;font-size:.95rem;width:100%}.modal-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(26,38,57,.7);backdrop-filter:blur(5px);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:var(--light);border-radius:24px;max-width:900px;width:90%;max-height:90vh;overflow-y:auto;transform:scale(.9);transition:transform .3s ease;box-shadow:0 25px 60px rgba(123,75,255,.2);border:1px solid var(--border)}.modal-overlay.active .modal-content{transform:scale(1)}.modal-header{padding:25px 30px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.modal-title{font-weight:600;color:var(--text);gap:10px;font-size:24px;display:flex;align-items:center}.modal-title i{color:var(--primary)}.close-btn{font-size:24px;width:44px;height:44px;border:none;background:var(--light-gray);border-radius:50%;cursor:pointer;justify-content:center;color:var(--text-secondary);transition:all .3s;display:flex;align-items:center}.close-btn:hover{background:var(--gray);color:var(--text);transform:rotate(90deg)}.modal-body{padding:30px;display:grid;grid-template-columns:repeat(2,1fr);gap:30px}.order-summary{background:var(--light-gray);padding:25px;border-radius:20px;border:1px solid var(--border)}.summary-title{font-size:18px;font-weight:600;color:var(--text);margin-bottom:20px;gap:8px;display:flex;align-items:center}.summary-title i{color:var(--primary)}.summary-row{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--border)}.summary-row-clear-bt{border-bottom:none}.summary-row:last-child{border-bottom:none;padding-top:15px;margin-top:5px;border-top:2px solid var(--border)}.summary-label{width:120px;color:var(--text-secondary);font-size:14px}.summary-value{font-weight:600;color:var(--text)}.summary-value.total{font-size:24px;color:var(--primary)}.payment-title{font-size:16px;font-weight:600;color:var(--text);margin-bottom:15px;display:flex;align-items:center;gap:8px}.payment-title i{color:var(--primary)}.selected-payment{background:var(--light-gray);border:2px solid var(--primary);padding:15px;border-radius:14px;display:flex;align-items:center;gap:15px;margin-bottom:20px}.selected-payment .payment-icon{font-size:2rem;color:var(--primary)}.qr-section{text-align:center;padding:20px;margin-bottom:20px}.qr-code{width:200px;height:200px;margin:0 auto 15px;background:var(--light);padding:10px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--text-secondary);border:1px solid var(--border)}.address-section{background:var(--light);border:1px solid var(--border);border-radius:14px;padding:18px;margin-bottom:20px;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);line-height:1.4;padding-right:40px;width:85%}.copy-btn{position:absolute;right:18px;top:50%;transform:translateY(-50%);background:var(--primary);color:#fff;border:none;padding:8px 16px;border-radius:30px;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(--accent)}.btn-confirm{background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;padding:16px 28px;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;box-shadow:0 8px 16px rgba(123,75,255,.2)}.btn-confirm:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 12px 24px rgba(123,75,255,.3)}.btn-confirm:disabled{opacity:.6;cursor:not-allowed}.countdown-section{background:linear-gradient(135deg,#fee2e2,#fecaca);padding:20px;border-radius:16px;margin-bottom:25px;text-align:center;border:1px solid #fecaca}.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}.toast-container{position:fixed;top:20px;right:20px;z-index:9999;pointer-events:none}.toast{background:var(--light);color:var(--text);border-radius:12px;box-shadow:var(--shadow-hover);padding:16px 20px;margin-bottom:10px;min-width:300px;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:1px solid var(--border)}.toast.show{transform:translateX(0);opacity:1}.toast.success{background:var(--accent);color:#fff}.toast.error{background:var(--price-red);color:#fff}.toast.warning{background:linear-gradient(135deg,#fffbeb,#fef3c7);border-left:4px solid #f59e0b}.toast.info{background:linear-gradient(135deg,#eef2ff,#e0e7ff);border-left:4px solid var(--primary)}.toast-icon{margin-right:12px;flex-shrink:0}.toast-content{flex:1}.toast-title{font-weight:600;font-size:14px;margin-bottom:2px}.toast.error .toast-title,.toast.success .toast-title{color:#fff}.toast-message{font-size:13px;line-height:1.4}.toast.error .toast-message,.toast.success .toast-message{color:rgba(255,255,255,.9)}.toast-close{position:absolute;top:8px;right:8px;background:0 0;border:none;font-size:18px;color:currentColor;cursor:pointer;padding:4px;line-height:1;opacity:.7;transition:opacity .2s}.toast-close:hover{opacity:1}.toast-progress{position:absolute;bottom:0;left:0;height:3px;background:rgba(0,0,0,.1);border-radius:0 0 12px 12px;transform-origin:left;animation:progress linear}@keyframes progress{0%{transform:scaleX(1)}to{transform:scaleX(0)}}@media (max-width:1024px){.product-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){.breadcrumb{margin:20px 0}.product-d-detail{grid-template-columns:1fr;gap:20px}.feature-list{grid-template-columns:1fr}.action-buttons{flex-direction:column}.payment-methods{display:grid;grid-template-columns:repeat(2,1fr)}.payment-method{min-width:auto}.modal-body{grid-template-columns:1fr;gap:20px}.product-grid{grid-template-columns:1fr}}@media (max-width:480px){.product-d-title{font-size:1.5rem}.product-d-price{font-size:1.8rem}.spec-label{flex:0 0 120px;font-size:.9rem}.spec-value{font-size:.9rem}.description-d-title{font-size:1.3rem}.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}}