:root{--primary: #0ea5e9;--primary-dark: #0284c7;--primary-light: #38bdf8;--secondary: #f472b6;--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--bg-primary: #f0f9ff;--bg-secondary: #ffffff;--bg-tertiary: #e0f2fe;--bg-card: rgba(255, 255, 255, .9);--text-primary: #0f172a;--text-secondary: #334155;--text-muted: #64748b;--border: rgba(14, 165, 233, .15);--shadow: rgba(14, 165, 233, .1);--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 1.5rem;--spacing-lg: 2rem;--spacing-xl: 3rem;--radius-sm: .5rem;--radius-md: 1rem;--radius-lg: 1.5rem;--radius-full: 9999px;--shadow-sm: 0 2px 8px var(--shadow);--shadow-md: 0 4px 16px var(--shadow);--shadow-lg: 0 8px 32px var(--shadow);--shadow-glow: 0 0 20px rgba(56, 189, 248, .4);--transition: all .3s cubic-bezier(.4, 0, .2, 1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Noto Sans TC,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:linear-gradient(135deg,#f0f9ff,#e0f2fe);background-attachment:fixed;color:var(--text-primary);line-height:1.6;min-height:100vh;overflow-x:hidden}.loading{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;gap:var(--spacing-md)}.spinner{width:50px;height:50px;border:4px solid var(--border);border-top-color:var(--primary);border-radius:var(--radius-full);animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.container{max-width:1400px;margin:0 auto;padding:var(--spacing-md)}.header{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-md) 0;margin-bottom:var(--spacing-lg)}.brand{font-size:2rem;font-weight:700;background:linear-gradient(135deg,var(--primary-light),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.cart-button{padding:var(--spacing-sm) var(--spacing-md);background:var(--bg-card);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--border);border-radius:var(--radius-full);color:var(--text-primary);font-size:1rem;font-weight:500;cursor:pointer;transition:var(--transition)}.cart-button:hover{background:var(--bg-tertiary);transform:translateY(-2px);box-shadow:var(--shadow-md)}.banner-carousel{position:relative;width:100%;height:400px;border-radius:var(--radius-lg);overflow:hidden;margin-bottom:var(--spacing-xl);box-shadow:var(--shadow-lg)}.banner-wrapper{position:relative;width:100%;height:100%}.banner-slide{position:absolute;top:0;left:0;width:100%;height:100%;opacity:0;transition:opacity .8s ease-in-out}.banner-slide.active{opacity:1;z-index:1}.banner-slide img{width:100%;height:100%;object-fit:cover}.banner-indicators{position:absolute;bottom:var(--spacing-md);left:50%;transform:translate(-50%);display:flex;gap:var(--spacing-sm);z-index:2}.banner-indicators button{width:12px;height:12px;border-radius:var(--radius-full);border:2px solid white;background:#ffffff4d;cursor:pointer;transition:var(--transition);padding:0}.banner-indicators button:hover{background:#fff9;transform:scale(1.2)}.banner-indicators button.active{background:#fff;width:32px}.social-buttons{position:fixed;bottom:var(--spacing-lg);right:var(--spacing-lg);display:flex;flex-direction:column;gap:var(--spacing-sm);z-index:999}.social-btn{width:60px;height:60px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;text-decoration:none;box-shadow:var(--shadow-lg);transition:var(--transition);cursor:pointer}.social-btn svg{width:32px;height:32px}.social-btn:hover{transform:translateY(-4px) scale(1.1);box-shadow:var(--shadow-lg),0 0 20px #0000004d}.line-btn{background:linear-gradient(135deg,#00b900,#00c300);color:#fff}.line-btn:hover{box-shadow:var(--shadow-lg),0 0 20px #00b90080}.facebook-btn{background:linear-gradient(135deg,#1877f2,#0c63d4);color:#fff}.facebook-btn:hover{box-shadow:var(--shadow-lg),0 0 20px #1877f280}.product-section{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-xl);margin-bottom:var(--spacing-xl)}.image-gallery{position:sticky;top:var(--spacing-md);height:fit-content}.main-image{position:relative;width:100%;aspect-ratio:1;border-radius:var(--radius-lg);overflow:hidden;background:var(--bg-card);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--border);box-shadow:var(--shadow-lg);margin-bottom:var(--spacing-md)}.main-image img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}.main-image:hover img{transform:scale(1.05)}.nav-button{position:absolute;top:50%;transform:translateY(-50%);background:#00000080;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--border);color:#fff;font-size:2rem;width:50px;height:50px;border-radius:var(--radius-full);cursor:pointer;transition:var(--transition);display:flex;align-items:center;justify-content:center;opacity:0}.main-image:hover .nav-button{opacity:1}.nav-button:hover{background:#6366f1cc;transform:translateY(-50%) scale(1.1)}.nav-button.prev{left:var(--spacing-sm)}.nav-button.next{right:var(--spacing-sm)}.thumbnail-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(100px,1fr));gap:var(--spacing-sm)}.thumbnail-list img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:var(--radius-md);cursor:pointer;border:2px solid transparent;transition:var(--transition);opacity:.6}.thumbnail-list img:hover{opacity:1;transform:translateY(-4px)}.thumbnail-list img.active{opacity:1;border-color:var(--primary);box-shadow:var(--shadow-glow)}.product-info{background:var(--bg-card);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--spacing-xl);box-shadow:var(--shadow-lg)}.product-name{font-size:2.5rem;font-weight:700;margin-bottom:var(--spacing-md);background:linear-gradient(135deg,var(--text-primary),var(--primary-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.product-description{font-size:1.125rem;color:var(--text-secondary);margin-bottom:var(--spacing-lg);line-height:1.8}.price-section{display:flex;align-items:center;gap:var(--spacing-md);margin-bottom:var(--spacing-lg);padding-bottom:var(--spacing-lg);border-bottom:1px solid var(--border)}.price{font-size:2.5rem;font-weight:700;color:var(--primary-light)}.original-price{font-size:1.5rem;color:var(--text-muted);text-decoration:line-through}.quantity-selector{display:flex;align-items:center;gap:var(--spacing-md);margin-bottom:var(--spacing-lg)}.quantity-selector label{font-size:1.125rem;font-weight:500}.quantity-controls{display:flex;align-items:center;gap:var(--spacing-sm);background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-full);padding:var(--spacing-xs)}.quantity-controls button{width:40px;height:40px;border:none;background:var(--bg-tertiary);color:var(--text-primary);font-size:1.5rem;border-radius:var(--radius-full);cursor:pointer;transition:var(--transition);display:flex;align-items:center;justify-content:center}.quantity-controls button:hover:not(:disabled){background:var(--primary);transform:scale(1.1)}.quantity-controls button:disabled{opacity:.3;cursor:not-allowed}.quantity-controls .quantity{min-width:50px;text-align:center;font-size:1.25rem;font-weight:600}.add-to-cart-button{width:100%;padding:var(--spacing-md) var(--spacing-lg);background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;font-size:1.25rem;font-weight:600;border:none;border-radius:var(--radius-md);cursor:pointer;transition:var(--transition);box-shadow:var(--shadow-md);margin-bottom:var(--spacing-lg)}.add-to-cart-button:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg),var(--shadow-glow)}.add-to-cart-button:active{transform:translateY(0)}.features{margin-bottom:var(--spacing-lg);padding-bottom:var(--spacing-lg);border-bottom:1px solid var(--border)}.features h3{font-size:1.5rem;margin-bottom:var(--spacing-md);color:var(--primary-light)}.features ul{list-style:none;display:grid;gap:var(--spacing-sm)}.features li{padding:var(--spacing-sm) var(--spacing-md);background:var(--bg-secondary);border-left:3px solid var(--primary);border-radius:var(--radius-sm);transition:var(--transition)}.features li:hover{background:var(--bg-tertiary);transform:translate(8px)}.specifications h3{font-size:1.5rem;margin-bottom:var(--spacing-md);color:var(--primary-light)}.specifications table{width:100%;border-collapse:collapse}.specifications tr{border-bottom:1px solid var(--border)}.specifications th,.specifications td{padding:var(--spacing-sm) var(--spacing-md);text-align:left}.specifications th{font-weight:600;color:var(--text-secondary);width:30%}.specifications td{color:var(--text-primary)}.cart-sidebar{position:fixed;top:0;right:0;width:100%;height:100%;background:#000000b3;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);z-index:1000;animation:fadeIn .3s}.cart-content{position:absolute;right:0;top:0;width:100%;max-width:450px;height:100%;background:var(--bg-secondary);box-shadow:var(--shadow-lg);display:flex;flex-direction:column;animation:slideInRight .3s}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideInRight{0%{transform:translate(100%)}to{transform:translate(0)}}.cart-header{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-lg);border-bottom:1px solid var(--border)}.cart-header h2{font-size:1.5rem}.close-button{width:40px;height:40px;border:none;background:var(--bg-tertiary);color:var(--text-primary);font-size:1.5rem;border-radius:var(--radius-full);cursor:pointer;transition:var(--transition);display:flex;align-items:center;justify-content:center}.close-button:hover{background:var(--danger);transform:rotate(90deg)}.empty-cart{flex:1;display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:1.125rem}.cart-items{flex:1;overflow-y:auto;padding:var(--spacing-md)}.cart-item{display:flex;gap:var(--spacing-md);padding:var(--spacing-md);background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:var(--spacing-md);transition:var(--transition)}.cart-item:hover{transform:translate(-4px);box-shadow:var(--shadow-md)}.cart-item img{width:80px;height:80px;object-fit:cover;border-radius:var(--radius-sm)}.item-details{flex:1}.item-details h4{font-size:1rem;margin-bottom:var(--spacing-xs)}.item-price{color:var(--primary-light);font-weight:600;margin-bottom:var(--spacing-xs)}.item-quantity{display:flex;align-items:center;gap:var(--spacing-xs)}.item-quantity button{width:30px;height:30px;border:none;background:var(--bg-tertiary);color:var(--text-primary);border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition)}.item-quantity button:hover{background:var(--primary)}.item-quantity span{min-width:30px;text-align:center}.remove-button{background:none;border:none;font-size:1.5rem;cursor:pointer;transition:var(--transition);opacity:.5}.remove-button:hover{opacity:1;transform:scale(1.2)}.cart-footer{padding:var(--spacing-lg);border-top:1px solid var(--border);background:var(--bg-primary)}.cart-total{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-md);font-size:1.25rem;font-weight:600}.total-amount{color:var(--primary-light);font-size:1.5rem}.checkout-button{width:100%;padding:var(--spacing-md);background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;font-size:1.125rem;font-weight:600;border:none;border-radius:var(--radius-md);cursor:pointer;transition:var(--transition)}.checkout-button:hover{transform:translateY(-2px);box-shadow:var(--shadow-md),var(--shadow-glow)}.modal{position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;align-items:center;justify-content:center;z-index:2000;padding:var(--spacing-md);animation:fadeIn .3s}.modal-content{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);max-width:600px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);animation:scaleIn .3s}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-lg);border-bottom:1px solid var(--border)}.modal-header h2{font-size:1.5rem}.order-form form{padding:var(--spacing-lg)}.form-group{margin-bottom:var(--spacing-md)}.form-group label{display:block;margin-bottom:var(--spacing-xs);font-weight:500;color:var(--text-secondary)}.form-group input,.form-group textarea{width:100%;padding:var(--spacing-sm) var(--spacing-md);background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:1rem;font-family:inherit;transition:var(--transition)}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #6366f11a}.payment-options{display:flex;flex-direction:column;gap:var(--spacing-sm)}.radio-option{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md);background:var(--bg-tertiary);border:2px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition)}.radio-option:hover:not(.disabled){border-color:var(--primary);background:var(--bg-card)}.radio-option.disabled{opacity:.5;cursor:not-allowed}.radio-option input[type=radio]{width:auto;cursor:pointer}.radio-option span{font-weight:500}.order-summary{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:var(--spacing-md);margin-bottom:var(--spacing-md)}.order-summary h3{font-size:1.125rem;margin-bottom:var(--spacing-sm);color:var(--primary-light)}.summary-item{display:flex;justify-content:space-between;padding:var(--spacing-xs) 0;color:var(--text-secondary)}.summary-total{display:flex;justify-content:space-between;padding-top:var(--spacing-sm);margin-top:var(--spacing-sm);border-top:1px solid var(--border);font-size:1.25rem;font-weight:600;color:var(--primary-light)}.submit-button{width:100%;padding:var(--spacing-md);background:linear-gradient(135deg,var(--success),#059669);color:#fff;font-size:1.125rem;font-weight:600;border:none;border-radius:var(--radius-md);cursor:pointer;transition:var(--transition)}.submit-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-md),0 0 20px #10b9814d}.submit-button:disabled{opacity:.6;cursor:not-allowed}.success-message{text-align:center;padding:var(--spacing-xl)}.success-icon{width:80px;height:80px;margin:0 auto var(--spacing-md);background:linear-gradient(135deg,var(--success),#059669);color:#fff;font-size:3rem;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;animation:bounce .6s}@keyframes bounce{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}.success-message h2{font-size:1.75rem;margin-bottom:var(--spacing-md);color:var(--success)}.order-id{font-size:1.125rem;color:var(--primary-light);font-weight:600;margin-bottom:var(--spacing-sm)}.contact-info{color:var(--text-secondary);margin-top:var(--spacing-md)}.close-success-button{margin-top:var(--spacing-lg);padding:var(--spacing-sm) var(--spacing-xl);background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border);border-radius:var(--radius-md);font-size:1rem;cursor:pointer;transition:var(--transition)}.close-success-button:hover{background:var(--primary);transform:translateY(-2px)}@media (max-width: 1024px){.product-section{grid-template-columns:1fr;gap:var(--spacing-lg)}.image-gallery{position:static}}@media (max-width: 768px){.brand{font-size:1.5rem}.cart-button{padding:var(--spacing-xs) var(--spacing-sm);font-size:.875rem}.banner-carousel{height:250px}.social-buttons{bottom:var(--spacing-md);right:var(--spacing-md)}.social-btn{width:50px;height:50px}.social-btn svg{width:24px;height:24px}.product-name{font-size:1.75rem}.price{font-size:2rem}.product-info{padding:var(--spacing-md)}.cart-content{max-width:100%}.modal-content{margin:var(--spacing-sm)}}@media (max-width: 480px){.container{padding:var(--spacing-sm)}.product-name{font-size:1.5rem}.thumbnail-list{grid-template-columns:repeat(3,1fr)}}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--primary)}html{scroll-behavior:smooth;scroll-padding-top:80px}.sticky-nav{position:sticky;top:0;z-index:1000;background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);padding:var(--spacing-sm) 0;box-shadow:var(--shadow-sm);margin-bottom:var(--spacing-md)}.nav-container{max-width:1400px;margin:0 auto;display:flex;justify-content:center;gap:var(--spacing-md);padding:0 var(--spacing-md);overflow-x:auto;white-space:nowrap}.nav-link{color:var(--text-secondary);text-decoration:none;font-weight:500;padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-full);transition:var(--transition)}.nav-link:hover,.nav-link.active{color:var(--primary);background:var(--bg-primary)}.section{padding:var(--spacing-xl) 0;border-bottom:1px solid var(--border);scroll-margin-top:80px}.section-title{text-align:center;font-size:2rem;font-weight:700;margin-bottom:var(--spacing-lg);color:var(--primary-dark)}.section-subtitle{text-align:center;color:var(--text-secondary);margin-bottom:var(--spacing-xl);max-width:600px;margin-left:auto;margin-right:auto}.pain-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--spacing-lg)}.pain-card{background:#fff;padding:var(--spacing-lg);border-radius:var(--radius-lg);text-align:center;box-shadow:var(--shadow-sm);border:1px solid var(--border);transition:var(--transition)}.pain-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:var(--primary-light)}.pain-icon{font-size:3rem;margin-bottom:var(--spacing-sm)}.trust-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--spacing-lg);margin-bottom:var(--spacing-xl)}.cert-card{background:#fff;padding:var(--spacing-md);border-radius:var(--radius-md);text-align:center;border:1px solid var(--border);display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:150px}.cert-icon{font-size:2.5rem;color:var(--success);margin-bottom:var(--spacing-sm)}.video-container{position:relative;padding-bottom:56.25%;height:0;overflow:hidden;border-radius:var(--radius-lg);background:#000;box-shadow:var(--shadow-lg);max-width:800px;margin:0 auto}.video-container iframe{position:absolute;top:0;left:0;width:100%;height:100%}@media (max-width: 768px){.section-title{font-size:1.5rem}.sticky-nav{top:0}.nav-container{justify-content:flex-start}}