:root{--primary:#FF6B4A;--secondary:#2C3E50;--light-bg:#F8F9FA;--text-dark:#212529;--border-radius:16px;--box-shadow:0 10px 30px rgba(0, 0, 0, 0.05)}*{margin:0;padding:0;box-sizing:border-box;font-family:system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',sans-serif}body{background-color:#fff;color:var(--text-dark);line-height:1.5}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}.site-header{background:#fff;box-shadow:0 4px 20px rgba(0,0,0,.02);position:sticky;top:0;z-index:100}.header-flex{display:flex;justify-content:space-between;align-items:center;height:64px}.logo{font-size:1.5rem;font-weight:700;color:var(--primary)}.nav-menu ul{display:flex;gap:2rem;list-style:none}.nav-menu a{text-decoration:none;color:var(--text-dark);font-weight:500;transition:color .2s}.nav-menu a:hover{color:var(--primary)}.hamburger{display:none;background:0 0;border:none;font-size:2rem;cursor:pointer;color:var(--text-dark)}.hero{padding:60px 0;background:linear-gradient(120deg,#fff9f7 0,#fff 100%);border-bottom:1px solid rgba(255,107,74,.1)}.hero-content h1{font-size:clamp(2rem, 5vw, 3rem);font-weight:800;line-height:1.2;margin-bottom:16px}.hero-highlight{color:var(--primary);position:relative}.hero p{font-size:1.2rem;color:#4a5568;max-width:600px;margin-bottom:32px}.stats-grid{display:flex;gap:40px;margin-top:40px}.stat-item h2{font-size:2rem;font-weight:700;color:var(--primary)}.filter-section{padding:40px 0 20px}.filter-bar{display:flex;flex-wrap:wrap;gap:12px;margin:40px 0}.filter-btn{padding:10px 24px;border-radius:40px;border:1.5px solid #e2e8f0;background:#fff;font-weight:600;font-size:.95rem;cursor:pointer;transition:all .2s;color:#2d3748}.filter-btn.active,.filter-btn:hover{background:var(--primary);border-color:var(--primary);color:#fff}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px;margin:30px 0}.product-card{background:#fff;border-radius:var(--border-radius);padding:24px;box-shadow:var(--box-shadow);border:1px solid #edf2f7;transition:transform .2s}.product-card:hover{box-shadow:0 20px 40px rgba(0,0,0,.08)}.product-cat-tag{display:inline-block;font-size:.7rem;font-weight:600;letter-spacing:.5px;background:#fee9e5;color:var(--primary);padding:4px 10px;border-radius:30px;margin-bottom:12px}.product-title{font-size:1.3rem;font-weight:700;margin-bottom:8px;color:#1a202c}.product-desc{color:#718096;font-size:.9rem;margin-bottom:16px;line-height:1.5}.product-meta{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:20px;font-size:.95rem}.stock{color:#38a169;font-weight:600;background:#e6fffa;padding:4px 8px;border-radius:30px}.price{font-size:1.5rem;font-weight:700;color:var(--primary)}.price small{font-size:1rem;font-weight:700;color:#a0aec0}.btn-link{display:inline-block;width:100%;text-align:center;background:var(--primary);color:#fff;text-decoration:none;padding:12px;border-radius:40px;font-weight:600;transition:opacity .2s}.btn-link:hover{opacity:.9}.features{padding:70px 0;background:var(--light-bg)}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:40px;margin-top:40px}.feature-card{text-align:center;background:#fff;padding:30px 20px;border-radius:var(--border-radius);box-shadow:var(--box-shadow)}.feature-icon{font-size:2.5rem;margin-bottom:15px;display:block}.feature-card h3{margin-bottom:10px;color:#1a202c}.feature-card p{color:#718096;font-size:.95rem}.faq{padding:70px 0}.faq-grid{max-width:800px;margin:40px auto 0}.faq-item{border-bottom:1px solid #e2e8f0}.faq-question{width:100%;text-align:left;padding:20px 0;background:0 0;border:none;font-size:1.1rem;font-weight:600;color:#2d3748;cursor:pointer;display:flex;justify-content:space-between;align-items:center}.faq-question:hover{color:var(--primary)}.faq-icon{font-size:1.5rem;transition:transform .3s}.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease;padding:0 20px 0 0}.faq-answer p{padding-bottom:20px;color:#4a5568}.faq-item.active .faq-answer{max-height:200px}.faq-item.active .faq-icon{transform:rotate(45deg)}.site-footer{background:#1a202c;color:#cbd5e0;padding:24px 0;text-align:center;font-size:.9rem}.table-view{width:100%;border-collapse:collapse;margin:30px 0;background:#fff;border-radius:20px;overflow:hidden;box-shadow:var(--box-shadow)}.table-view th{background:#f7fafc;color:#2d3748;font-weight:600;padding:16px;text-align:left}.table-view td{padding:16px;border-bottom:1px solid #edf2f7}.table-view tr:last-child td{border-bottom:none}.table-view .btn-link{width:auto;padding:8px 20px}@media (max-width:768px){.hamburger{display:block}.nav-menu{display:none;position:absolute;top:64px;left:0;width:100%;background:#fff;padding:20px;box-shadow:0 10px 20px rgba(0,0,0,.1)}.nav-menu.active{display:block}.nav-menu ul{flex-direction:column;gap:15px}.stats-grid{flex-wrap:wrap;gap:20px}.filter-bar{justify-content:center}}:root{--primary:#FF6B4A;--primary-light:#FF8A6C;--primary-dark:#E55A3A;--secondary:#2C3E50;--accent:#FFB800;--light-bg:#F8F9FA;--card-bg:#FFFFFF;--text-primary:#2A3547;--text-secondary:#5A6A85;--border-color:#FFE4E0;--price-red:#FF4D4D;--success-green:#22C55E;--warning-bg:#FFF3E0;--transition:all 0.3s ease;--card-radius:16px;--btn-radius:40px;--shadow:0 10px 30px rgba(255, 107, 74, 0.08);--shadow-hover:0 20px 40px rgba(255, 107, 74, 0.12)}.breadcrumb{margin:30px 0;font-size:.95rem;color:var(--text-secondary)}.breadcrumb a{color:var(--primary);text-decoration:none;font-weight:500;transition:var(--transition)}.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:30px;box-shadow:var(--shadow);border:1px solid var(--border-color);margin-bottom:60px;display:grid;grid-template-columns:1fr 1fr;gap:40px}.product-d-title{font-size:2rem;font-weight:700;margin-bottom:15px;color:var(--text-primary)}.product-d-price{font-size:2.5rem;font-weight:700;color:var(--price-red);margin-bottom:25px;display:flex;align-items:center;gap:8px}.product-d-price:before{content:'$';font-size:1.8rem;color:var(--primary);opacity:.8}.product-d-specs{background:var(--light-bg);border-radius:var(--card-radius);padding:20px;margin-bottom:25px}.spec-row{display:flex;padding:15px 0;border-bottom:1px solid #d7d7d7}.spec-row:last-child{border-bottom:none}.spec-label{flex:0 0 140px;color:var(--text-secondary);font-weight:600;display:flex;align-items:center;gap:10px;font-size:.95rem}.spec-label i{color:var(--primary);width:20px}.spec-value{flex:1;font-weight:500;color:var(--text-primary)}.spec-value.highlight{color:var(--success-green);font-weight:600}.option-title{font-size:1.4rem;font-weight:700;margin-bottom:25px;color:var(--text-primary);display:flex;align-items:center;gap:10px}.option-title i{color:var(--primary)}.form-group{margin-bottom:25px}.form-label{display:block;margin-bottom:12px;color:var(--text-secondary);font-weight:600;font-size:.95rem}.required{color:var(--price-red)}.email-input{width:100%;padding:14px 20px;border:2px solid var(--border-color);border-radius:var(--btn-radius);font-size:1rem;transition:var(--transition);background:var(--light-bg)}.email-input:focus{outline:0;border-color:var(--primary);box-shadow:0 0 0 4px rgba(255,107,74,.1)}.email-hint{margin-top:8px;font-size:.85rem;color:var(--text-secondary);display:flex;align-items:center;gap:5px}.email-hint i{color:var(--primary)}.quantity-selector{display:flex;align-items:center;background:var(--light-bg);border-radius:var(--btn-radius);border:2px solid var(--border-color);overflow:hidden;transition:var(--transition);max-width:160px}.quantity-selector:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(255,107,74,.1)}.quantity-btn{width:44px;height:44px;border:none;background:0 0;color:var(--primary);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.1rem;transition:var(--transition);font-weight:600}.quantity-btn:hover{background:rgba(255,107,74,.1);color:var(--primary-dark)}.quantity-btn:disabled{opacity:.4;cursor:not-allowed}.quantity-input{flex:1;height:44px;text-align:center;border:none;background:0 0;font-size:1.1rem;font-weight:600;color:var(--text-primary);outline:0;min-width:70px}.payment-section{margin-bottom:25px}.payment-label{font-size:.95rem;color:var(--text-primary);margin-bottom:15px;font-weight:600;display:flex;align-items:center;gap:8px}.payment-label i{color:var(--primary)}.payment-methods{display:flex;gap:10px;flex-wrap:wrap}.payment-method{flex:1;padding:15px 10px;border:2px solid var(--border-color);border-radius:var(--card-radius);background:var(--light-bg);cursor:pointer;transition:var(--transition);text-align:center;display:flex;flex-direction:column;align-items:center;gap:8px}.payment-method.selected,.payment-method:hover{border-color:var(--primary);background:linear-gradient(135deg,#fff5f2,#ffe9e5);transform:translateY(-2px);box-shadow:var(--shadow)}.payment-method .payment-icon img{width:40px;height:40px;border-radius:12px;transition:var(--transition)}.payment-method:hover .payment-icon img{transform:scale(1.1)}.payment-text{font-size:.85rem;font-weight:600;color:var(--text-primary)}.total-price{background:linear-gradient(135deg,#fef3e2,#fee9e5);padding:18px 20px;border-radius:var(--card-radius);margin-bottom:25px;display:flex;justify-content:space-between;align-items:center;border:1px solid #fed7c0}.total-label{font-size:1.1rem;color:#b45a2e;font-weight:600;display:flex;align-items:center;gap:8px}.total-amount{font-size:2rem;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-flex;align-items:center;justify-content:center;gap:10px}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;box-shadow:0 10px 20px rgba(255,107,74,.2)}.btn-primary:hover{box-shadow:0 15px 30px rgba(255,107,74,.3)}.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-secondary{background:linear-gradient(135deg,#f8f9fa,#e9ecef);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background:linear-gradient(135deg,#e9ecef,#dee2e6)}.product-d-description{grid-column:1/-1;margin-top:20px}.description-d-title{font-size:1.6rem;margin-bottom:25px;color:var(--text-primary);display:flex;align-items:center;gap:12px;font-weight:700}.description-d-title i{color:var(--primary)}.description-d-content{line-height:1.9;color:var(--text-secondary)}.description-d-content p{margin-bottom:20px;font-size:1.05rem;line-height:1.9;color:var(--text-secondary)}.description-d-content h3{font-size:1.3rem;color:var(--text-primary);margin:30px 0 20px;font-weight:600;display:flex;align-items:center;gap:10px;border-left:4px solid var(--primary);padding-left:15px}.description-d-content strong{color:var(--primary)}.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:15px;margin:25px 0}.feature-item{display:flex;align-items:center;gap:12px;padding:16px;background:linear-gradient(135deg,#fff5f2,#ffede8);border-radius:var(--card-radius);border:1px solid #ffd8d0}.feature-icon{color:var(--success-green);font-size:1.3rem}.security-notice{background:linear-gradient(135deg,#fff3e0,#ffe9d9);padding:25px;border-radius:var(--card-radius);margin-top:30px;display:flex;align-items:center;gap:20px;border:1px solid #ffd8b0}.security-icon{font-size:2rem;color:#c05621}.security-text{flex:1;color:#8b4513;font-size:.95rem;line-height:1.7}.related-products{margin-bottom:80px}.section-title{font-size:2rem;font-weight:800;margin-bottom:15px;text-align:center;color:var(--text-primary);display:flex;align-items:center;justify-content:center;gap:10px}.section-title i{color:var(--primary)}.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:25px}.ks-product-card{background:var(--card-bg);border-radius:var(--card-radius);padding:25px;box-shadow:var(--shadow);transition:var(--transition);border:1px solid var(--border-color);display:flex;flex-direction:column}.ks-product-card:hover{box-shadow:var(--shadow-hover);border-color:var(--primary)}.ks-product-card-title{font-size:1.2rem;font-weight:700;margin-bottom:15px;color:var(--text-primary);display:flex;align-items:center;gap:8px;line-height:1.4}.ks-product-card-description{color:var(--text-secondary);margin-bottom:15px;font-size:.95rem;line-height:1.6;flex-grow:1}.ks-product-card-price{color:var(--price-red);font-weight:700;font-size:1.5rem;margin-bottom:20px;display:flex;align-items:center;gap:4px}.ks-product-card-price:before{content:'$';font-size:1rem;color:var(--primary);opacity:.8}.ks-product-card-action .btn{padding:12px 20px;font-size:.95rem}.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:8px;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:1.5rem 2rem;border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between;background:var(--light-green)}.modal-title{font-weight:600;color:var(--text-primary);gap:10px;font-size:1.5rem;display:flex;align-items:center}.close-btn{font-size:1.5rem;width:40px;height:40px;border:none;background:#f5f5f5;border-radius:50%;cursor:pointer;color:#666;transition:all .3s;text-align:center}.close-btn:hover{background:#e0e0e0;color:#333;transform:rotate(90deg)}.modal-body{padding:2rem;display:grid;grid-template-columns:repeat(2,1fr);gap:30px}.order-summary{background:linear-gradient(135deg,#f8f9fa,#e9ecef);padding:1.5rem;border-radius:var(--card-radius)}.summary-title{font-size:1.1rem;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:.9rem}.summary-value{font-weight:600;color:var(--text-primary)}.summary-value.total{font-size:1.5rem;color:var(--price-red)}.payment-title{font-size:1rem;font-weight:600;color:var(--text-primary);margin-bottom:15px;display:flex;align-items:center;gap:8px}.qr-section{text-align:center;padding:1.5rem}.qr-code{width:200px;height:200px;margin:0 auto 15px;display:flex;align-items:center;justify-content:center}.address-section{background:#fff;border:2px solid #e0e0e0;border-radius:12px;padding:1rem;margin-bottom:15px;position:relative}.address-label{font-size:.85rem;color:var(--text-secondary);margin-bottom:8px;display:flex;align-items:center;gap:5px}.address-value{font-size:.9rem;word-break:break-all;color:var(--text-primary);line-height:1.4;padding-right:40px;width:88%}.copy-btn{position:absolute;right:10px;top:50%;transform:translateY(-50%);background:var(--success-green);color:#fff;border:none;padding:8px 15px;border-radius:var(--btn-radius);font-size:.85rem;cursor:pointer;transition:all .3s;display:flex;align-items:center;gap:5px}.copy-btn:hover{background:#05a050}.copy-btn.copied{background:#4caf50}.countdown-section{background:linear-gradient(135deg,#fee2e2,#fecaca);padding:.5rem;border-radius:var(--card-radius);margin-bottom:25px;text-align:center}.countdown-title{font-size:.9rem;color:#991b1b;font-weight:600;display:flex;align-items:center;justify-content:center;gap:5px}.countdown-timer{font-size:2rem;font-weight:700;color:#dc2626;font-family:'Segoe UI','Microsoft YaHei',sans-serif;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:.85rem;color:#7f1d1d}.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: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:25px}.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}.product-grid{grid-template-columns:1fr}.product-d-title{font-size:1.8rem}.product-d-price{font-size:2rem}.modal-body{grid-template-columns:1fr;gap:20px}}@media (max-width:480px){.product-d-title{font-size:1.5rem}.product-d-price{font-size:1.8rem}.spec-label{flex:0 0 110px;font-size:.85rem}.spec-value{font-size:.85rem}.description-d-title{font-size:1.3rem}.modal-content{width:95%;max-height:95vh;margin:10px}.modal-header{padding:1rem}.modal-title{font-size:1.2rem}.modal-body{padding:1rem}.address-value{font-size:.8rem}}