:root{--primary-color:#E86A6A;--secondary-color:#333;--bg-light:#f9f9f9;--text-dark:#222;--text-light:#555;--border-color:#eaeef2;--font-main:system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',sans-serif;--box-shadow:0 8px 20px rgba(0, 0, 0, 0.02),0 4px 12px rgba(0, 0, 0, 0.03);--transition:all 0.2s ease}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-main);color:var(--text-dark);line-height:1.5;background-color:#fff;scroll-behavior:smooth}.container{max-width:1280px;margin:0 auto;padding:0 20px;width:100%}.site-header{background:#fff;box-shadow:0 2px 10px rgba(0,0,0,.02);padding:12px 0;position:sticky;top:0;z-index:100;border-bottom:1px solid var(--border-color)}.header-flex{display:flex;justify-content:space-between;align-items:center}.logo a{font-size:1.6rem;font-weight:600;text-decoration:none;color:var(--text-dark);letter-spacing:-.5px}.main-nav ul{display:flex;gap:2.5rem;list-style:none}.main-nav a{text-decoration:none;color:var(--text-light);font-weight:500;font-size:1.1rem;transition:var(--transition);padding-bottom:4px;border-bottom:2px solid transparent}.main-nav a:hover,.main-nav a[aria-current=page]{color:var(--primary-color);border-bottom-color:var(--primary-color)}.hamburger{display:none;flex-direction:column;background:0 0;border:0;cursor:pointer;padding:5px}.hamburger .bar{width:25px;height:3px;background:var(--text-dark);margin:3px 0;border-radius:4px;transition:var(--transition)}section{padding:80px 0}section:nth-child(2n){background-color:var(--bg-light)}.hero{padding:60px 0 80px;text-align:center;background:linear-gradient(145deg,#fff 0,#f6f9fc 100%)}.hero h1{font-size:2.8rem;font-weight:700;line-height:1.2;max-width:800px;margin:0 auto 1rem;color:var(--text-dark)}.hero h1 span{color:var(--primary-color)}.hero .subhead{font-size:1.3rem;color:var(--text-light);max-width:650px;margin:0 auto}h2{font-size:2.2rem;margin-bottom:.5rem;font-weight:600;color:var(--text-dark)}.section-header{text-align:center;margin-bottom:50px}.section-header p{color:var(--text-light);font-size:1.2rem;max-width:650px;margin:1rem auto 0}#category-filter{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-bottom:40px}.filter-btn{background:#fff;border:1px solid var(--border-color);padding:10px 22px;border-radius:40px;font-size:1rem;font-weight:500;color:var(--text-light);cursor:pointer;transition:var(--transition);box-shadow:var(--box-shadow)}.filter-btn:hover{border-color:var(--primary-color);color:var(--primary-color)}.filter-btn.active{background:var(--primary-color);border-color:var(--primary-color);color:#fff}.filter-btn.active:hover{background:var(--primary-color);opacity:.9}.product-table-wrapper{overflow-x:auto;border-radius:24px;box-shadow:var(--box-shadow);background:#fff}.product-table{width:100%;border-collapse:collapse;font-size:1rem;min-width:600px}.product-table thead{background:#f2f6f9;border-bottom:2px solid var(--border-color)}.product-table th{padding:18px 16px;text-align:left;font-weight:600;color:var(--text-dark);font-size:1.05rem}.product-table td{padding:16px;border-bottom:1px solid var(--border-color);vertical-align:middle}.product-table tbody tr{transition:var(--transition)}.product-table tbody tr:hover{background-color:#fafdff}.product-table td:first-child>small{display:inline-block;max-width:840px;color:#8d8d8d;margin-top:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.product-title{font-weight:600;color:var(--text-dark)}.product-stock{color:#2e7d32;background:#e8f5e9;padding:4px 10px;border-radius:50px;font-size:.9rem;font-weight:500;display:inline-block}.product-price{font-weight:700;color:var(--primary-color);font-size:1.25rem}.btn-buy{background:var(--primary-color);color:#fff;padding:8px 22px;border-radius:40px;text-decoration:none;font-weight:500;display:inline-block;transition:var(--transition);border:1px solid var(--primary-color);font-size:.95rem}.btn-buy:hover{background:0 0;color:var(--primary-color)}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:30px;margin-top:20px}.feature-card{background:#fff;padding:35px 25px;border-radius:30px;box-shadow:var(--box-shadow);text-align:center;transition:var(--transition);border:1px solid #fff}.feature-card:hover{border-color:var(--primary-color);transform:translateY(-5px);box-shadow:0 20px 30px rgba(0,0,0,.04)}.feature-icon{font-size:3.2rem;margin-bottom:20px;display:block}.feature-card h3{font-size:1.6rem;margin-bottom:12px;color:var(--text-dark)}.feature-card p{color:var(--text-light)}.faq-list{max-width:800px;margin:0 auto}.faq-item{background:#fff;border-radius:20px;margin-bottom:16px;box-shadow:var(--box-shadow);border:1px solid var(--border-color)}.faq-question{padding:22px 25px;font-weight:600;font-size:1.2rem;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:15px;color:var(--text-dark)}.faq-question .icon{font-size:1.8rem;color:var(--primary-color);transition:var(--transition)}.faq-answer{padding:0 25px;max-height:0;overflow:hidden;transition:max-height .3s ease-out}.faq-item.active .faq-answer{padding:0 25px 22px 25px;max-height:500px;border-top-width:1px}.faq-item.active .icon{transform:rotate(45deg)}.faq-answer p{color:var(--text-light)}.site-footer{background:#101214;color:#aaa;padding:30px 0;text-align:center;font-size:.95rem;border-top:1px solid #222}.site-footer p{color:#777}@media (max-width:768px){.hamburger{display:flex}.main-nav{display:none;width:100%;position:absolute;top:70px;left:0;background:#fff;padding:20px;box-shadow:0 20px 30px rgba(0,0,0,.05);border-top:1px solid var(--border-color)}.main-nav.open{display:block}.main-nav ul{flex-direction:column;gap:1rem;align-items:center}.hero h1{font-size:2.1rem}.hero .subhead{font-size:1.1rem}.section-header h2{font-size:1.9rem}.product-table-wrapper{box-shadow:unset;background:unset}.product-table thead{display:none}.product-table,.product-table tbody,.product-table td,.product-table tr{display:block;width:100%!important;min-width:auto!important}.product-table tr{background:#fff;margin-bottom:20px;position:relative;border-radius:28px;overflow:hidden}.product-table td{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;border-radius:0!important;box-shadow:none;border-bottom:1px solid #f0f2f5}.product-table td:first-child::before{content:'';width:0}.product-table td:first-child>small{display:none}.product-table td::before{content:attr(data-label);font-weight:600;color:#64748b;width:40%;font-size:.9rem}.product-table td:last-child{border-bottom:0}}@media (max-width:480px){.logo a{font-size:1.4rem}.hero h1{font-size:1.8rem}}[role=button],button{cursor:pointer}:focus-visible{outline:3px solid var(--primary-color);outline-offset:2px}:root{--primary-color:#E86A6A;--primary-light:#fdeaea;--primary-dark:#d14f4f;--secondary-color:#333;--bg-light:#f9f9f9;--text-dark:#222;--text-light:#555;--border-color:#eaeef2;--success-green:#22c55e;--price-red:#E86A6A;--font-main:system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',sans-serif;--box-shadow:0 8px 20px rgba(0,0,0,0.02),0 4px 12px rgba(0,0,0,0.03);--shadow-hover:0 20px 30px rgba(0,0,0,0.04),0 8px 20px rgba(0,0,0,0.08);--transition:all 0.2s ease;--card-radius:24px;--btn-radius:40px;--bs-card-spacer-y:30px;--bs-card-spacer-x:30px;--bs-card-title-spacer-y:0.5rem;--bs-card-title-color:#2a3547;--bs-card-subtitle-color:#5a6a85;--bs-card-border-width:0px;--bs-card-border-color:#eaeef2;--bs-card-border-radius:24px;--bs-card-box-shadow:0 8px 20px rgba(0,0,0,0.02),0 4px 12px rgba(0,0,0,0.03);--bs-card-inner-border-radius:24px;--bs-card-cap-padding-y:15px;--bs-card-cap-padding-x:30px;--bs-card-cap-bg:rgba(232, 106, 106, 0.03);--bs-card-bg:#ffffff;--bs-card-img-overlay-padding:1rem;--bs-card-group-margin:12px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-main);color:var(--text-dark);line-height:1.5;background-color:#fff}.container{max-width:1280px;margin:0 auto;padding:0 20px;width:100%}.breadcrumb{margin:20px 0;font-size:.95rem;color:var(--text-light);padding:12px 0}.breadcrumb a{color:var(--primary-color);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(--bs-card-bg);border-radius:var(--card-radius);padding:var(--bs-card-spacer-y) var(--bs-card-spacer-x);box-shadow:var(--bs-card-box-shadow);border:1px solid var(--border-color);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:2.2rem;font-weight:700;margin-bottom:15px;color:var(--text-dark);line-height:1.2}.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-specs{margin-bottom:25px;background:var(--bg-light);padding:20px;border-radius:20px}.spec-row{display:flex;padding:14px 0;border-bottom:1px solid var(--border-color)}.spec-row:last-child{border-bottom:none}.spec-label{flex:0 0 140px;color:var(--text-light);font-weight:500;display:flex;align-items:center;gap:8px}.spec-label i{color:var(--primary-color);width:20px}.spec-value{flex:1;font-weight:600;color:var(--text-dark)}.spec-value.highlight{color:var(--success-green)}.option-title{font-size:1.5rem;font-weight:600;margin-bottom:25px;color:var(--text-dark);display:flex;align-items:center;gap:10px;padding-bottom:15px;border-bottom:2px solid var(--primary-light)}.option-title i{color:var(--primary-color)}.form-group{margin-bottom:25px}.form-label{display:block;margin-bottom:10px;color:var(--text-light);font-weight:500;font-size:.95rem}.required{color:var(--primary-color)}.email-input{width:100%;padding:14px 18px;border:1px solid var(--border-color);border-radius:var(--btn-radius);font-size:1rem;transition:var(--transition);background:#fff}.email-input:focus{outline:0;border-color:var(--primary-color);box-shadow:0 0 0 3px rgba(232,106,106,.1)}.email-hint{margin-top:8px;font-size:.85rem;color:var(--text-light);display:flex;align-items:center;gap:5px}.email-hint i{color:var(--primary-color)}.quantity-selector{display:flex;align-items:center;background:#fff;border-radius:var(--btn-radius);border:1px solid var(--border-color);overflow:hidden;transition:var(--transition);max-width:150px}.quantity-selector:focus-within{border-color:var(--primary-color);box-shadow:0 0 0 3px rgba(232,106,106,.1)}.quantity-btn{width:44px;height:44px;line-height:44px;border:none;background:var(--primary-light);color:var(--primary-color);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1rem;transition:var(--transition)}.quantity-btn:hover{background:var(--primary-color);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-dark);outline:0;min-width:70px}.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-methods{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}.payment-method{flex:1;min-width:120px;padding:15px 8px;border:2px solid var(--border-color);border-radius:20px;background:#fff;cursor:pointer;transition:var(--transition);text-align:center;font-size:.85rem;font-weight:600;display:flex;flex-direction:column;align-items:center;gap:8px}.payment-method.selected,.payment-method:hover{border-color:var(--primary-color);background:var(--primary-light)}.payment-method input[type=radio]{display:none}.payment-icon img{border-radius:12px;width:48px;height:48px;object-fit:contain}.payment-text{color:var(--text-dark);font-size:.9rem}.total-price{background:var(--primary-light);padding:18px 25px;border-radius:var(--card-radius);margin:25px 0;display:flex;justify-content:space-between;align-items:center;border:1px solid var(--primary-color)}.total-label{font-size:1.1rem;color:var(--primary-dark);font-weight:500;display:flex;align-items:center;gap:8px}.total-label i{color:var(--primary-color)}.total-amount{font-size:2rem;font-weight:700;color:var(--primary-color)}.action-buttons{display:flex;gap:15px}.btn{padding:16px 30px;border:none;border-radius:var(--btn-radius);font-size:1.1rem;cursor:pointer;font-weight:600;flex:1;text-align:center;text-decoration:none;display:inline-block}.btn-primary{background:var(--primary-color);color:#fff;border:2px solid var(--primary-color)}.btn-primary:hover{background:0 0;color:var(--primary-color);box-shadow:var(--shadow-hover)}.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}.product-d-description{grid-column:1/-1;margin-top:20px;background:var(--bg-light);padding:30px;border-radius:var(--card-radius)}.description-d-title{font-size:1.8rem;margin-bottom:25px;color:var(--text-dark);display:flex;align-items:center;gap:10px;padding-bottom:15px;border-bottom:2px solid var(--primary-light)}.description-d-title i{color:var(--primary-color)}.description-d-content{line-height:1.8;color:var(--text-light)}.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:1.4rem;color:var(--text-dark);margin:30px 0 15px;font-weight:600;display:flex;align-items:center;gap:10px}.description-d-content strong{color:var(--text-dark)}.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:15px;margin:20px 0}.feature-item{display:flex;align-items:center;gap:10px;padding:15px 20px;background:#fff;border-radius:var(--btn-radius);border:1px solid var(--border-color)}.feature-icon{color:var(--success-green);font-size:1.2rem}.security-notice{background:var(--primary-light);padding:20px 25px;border-radius:var(--card-radius);margin-top:30px;display:flex;align-items:center;gap:15px;border:1px solid var(--primary-color)}.security-icon{font-size:1.8rem;color:var(--primary-color)}.security-text{flex:1;color:var(--text-dark);font-size:.95rem;line-height:1.6;font-weight:500}.related-products{margin:80px 0;padding:60px 0;background:var(--bg-light)}.section-title{font-size:2.2rem;font-weight:700;margin-bottom:15px;text-align:center;color:var(--text-dark);display:flex;align-items:center;justify-content:center;gap:12px}.section-title i{color:var(--primary-color)}.section-subtitle{font-size:1.2rem;color:var(--text-light);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:#fff;border-radius:var(--card-radius);padding:25px;box-shadow:var(--box-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-color)}.ks-product-card-title{font-size:1.3rem;font-weight:600;margin-bottom:15px;color:var(--text-dark);display:flex;align-items:center;gap:8px}.ks-product-card-description{color:var(--text-light);margin-bottom:20px;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}.ks-product-card-action .btn{padding:12px 20px;font-size:1rem;width:100%}.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;align-items:center}.close-btn:hover{background:#e0e0e0;color:#333;transform:rotate(90deg)}.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)}.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:#05a050}.copy-btn.copied{background:#4caf50}.btn-confirm{background:linear-gradient(135deg,var(--success-green),#05a050);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}.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;font-size:.9rem}.product-d-detail{grid-template-columns:1fr;gap:30px;padding:20px}.product-d-title{font-size:1.8rem}.product-d-price{font-size:2rem}.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}.section-title{font-size:1.8rem}.description-d-title{font-size:1.5rem}.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:.9rem}.spec-value{font-size:.9rem}.product-d-specs{padding:15px}.option-title{font-size:1.3rem}.total-amount{font-size:1.6rem}.payment-methods{grid-template-columns:repeat(2,1fr)}.security-notice{flex-direction:column;text-align:center}.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}}