*{margin:0;padding:0;box-sizing:border-box;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif}body{line-height:1.6;color:#333;background:#fafafa}.container{max-width:1200px;margin:0 auto;padding:0 20px}.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:70px}.logo-text{font-size:1.5rem;font-weight:600;color:#222;letter-spacing:-.5px}.logo-highlight{color:#f26161}.nav-list{display:flex;gap:30px;list-style:none}.nav-link{text-decoration:none;color:#333;font-weight:500;font-size:1rem;transition:color .2s}.nav-link:hover{color:#f26161}.hamburger{display:none;flex-direction:column;justify-content:space-around;width:30px;height:30px;background:0 0;border:none;cursor:pointer;padding:5px}.bar{width:100%;height:3px;background:#333;border-radius:10px}.hero{background:linear-gradient(135deg,#fff5f5 0,#ffe7e7 100%);padding:80px 0;text-align:center}.hero h1{font-size:clamp(2rem, 5vw, 3rem);font-weight:700;color:#222;margin-bottom:20px;line-height:1.2}.hero p{font-size:clamp(1rem, 3vw, 1.2rem);color:#555;max-width:700px;margin:0 auto}.filter-section{padding:40px 0 20px}.filter-section h2{font-size:2rem;text-align:center;margin-bottom:30px;color:#222;position:relative}.filter-section h2:after{content:'';display:block;width:60px;height:4px;background:#f26161;margin:15px auto 0;border-radius:2px}.filter-btns{display:flex;flex-wrap:wrap;justify-content:center;gap:15px;margin-bottom:40px}.filter-btn{padding:12px 28px;border:2px solid #f26161;background:0 0;color:#f26161;font-weight:600;border-radius:50px;cursor:pointer;transition:all .3s;font-size:1rem}.filter-btn.active,.filter-btn:hover{background:#f26161;color:#fff}.product-table-section{padding:40px 0;background:#fff}.product-table{width:100%;border-collapse:collapse;background:#fff;border-radius:20px;overflow:hidden;box-shadow:0 10px 30px rgba(0,0,0,.05)}.product-table thead{background:#f8f8f8}.product-table th{padding:20px 15px;text-align:left;font-weight:600;color:#222;font-size:1rem;border-bottom:2px solid #eee}.product-table td{padding:18px 15px;border-bottom:1px solid #f0f0f0;color:#444}.product-table tbody tr:hover{background:#fafafa}.product-title{font-weight:600;color:#f26161;text-decoration:none}.product-title:hover{text-decoration:underline}.stock-badge{color:#2ecc71;font-weight:600}.price{font-weight:700;color:#222;font-size:1.1rem}.buy-link{display:inline-block;padding:8px 20px;background:#f26161;color:#fff;text-decoration:none;border-radius:50px;font-weight:500;font-size:.9rem;transition:background .2s}.buy-link:hover{background:#e04b4b}.features{padding:80px 0;background:#fff}.features h2{font-size:2rem;text-align:center;margin-bottom:50px;color:#222}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:40px}.feature-card{text-align:center;padding:30px;border-radius:20px;background:#fafafa;transition:transform .3s}.feature-card:hover{transform:translateY(-5px)}.feature-icon{font-size:3rem;margin-bottom:20px;display:block}.feature-card h3{font-size:1.4rem;margin-bottom:15px;color:#222}.feature-card p{color:#666}.faq{padding:80px 0;background:#fafafa}.faq h2{font-size:2rem;text-align:center;margin-bottom:50px;color:#222}.faq-item{margin-bottom:20px;background:#fff;border-radius:20px;overflow:hidden;box-shadow:0 5px 15px rgba(0,0,0,.03)}.faq-question{width:100%;text-align:left;padding:20px 30px;background:#fff;border:none;font-size:1.2rem;font-weight:600;color:#222;cursor:pointer;display:flex;justify-content:space-between;align-items:center}.faq-question:hover{background:#f5f5f5}.faq-icon{font-size:1.5rem;color:#f26161}.faq-answer{padding:0 30px 20px;color:#555;line-height:1.8;display:none}.faq-item.active .faq-answer{display:block}.faq-item.active .faq-icon{transform:rotate(45deg)}.site-footer{padding:25px 0;text-align:center;background:#222;color:#aaa;font-size:.95rem}@media (max-width:768px){.hamburger{display:flex}.main-nav{position:fixed;top:70px;left:-100%;width:100%;height:calc(100vh - 70px);background:#fff;transition:left .3s ease;padding:40px 20px}.main-nav.active{left:0}.nav-list{flex-direction:column;align-items:center;gap:25px}.filter-btns{gap:10px}.filter-btn{padding:10px 18px;font-size:.9rem}.product-table{display:block;background:unset;box-shadow:unset;margin-top:30px}.product-table thead{display:none}.product-table tbody tr{display:block;margin-bottom:1.5rem;border:1px solid #ddd;border-radius:8px;padding:1rem}.product-table td{display:block;padding:1.2rem 0;text-align:right}.product-table td:first-child{text-align:unset}.product-table td:last-child{border-bottom:0}.product-table td::before{content:attr(data-label);float:left;font-weight:600}}:root{--primary-red:#ff5a5f;--hover-red:#e04b4f;--light-red:#ffe8e8;--bg-color:#f9f9f9;--card-bg:#ffffff;--text-primary:#2c3e50;--text-secondary:#7f8c8d;--border-color:#f0f0f0;--price-red:#ff4757;--success-green:#2ecc71;--transition:all 0.3s ease;--card-radius:16px;--btn-radius:30px;--shadow:0 10px 30px rgba(0, 0, 0, 0.03);--shadow-hover:0 20px 40px rgba(255, 90, 95, 0.08);--bs-card-spacer-y:30px;--bs-card-spacer-x:30px;--bs-card-title-spacer-y:0.5rem;--bs-card-title-color:#2c3e50;--bs-card-subtitle-color:#7f8c8d;--bs-card-border-width:1px;--bs-card-border-color:#f5f5f5;--bs-card-border-radius:16px;--bs-card-box-shadow:0 10px 30px rgba(0, 0, 0, 0.03);--bs-card-inner-border-radius:16px;--bs-card-cap-padding-y:20px;--bs-card-cap-padding-x:30px;--bs-card-cap-bg:rgba(255, 90, 95, 0.02);--bs-card-bg:#ffffff;--bs-card-img-overlay-padding:1rem;--bs-card-group-margin:12px}.breadcrumb{margin:30px 0;font-size:.95rem;color:var(--text-secondary)}.breadcrumb a{color:var(--primary-red);text-decoration:none;font-weight:500;transition:var(--transition)}.breadcrumb a:hover{color:var(--hover-red);text-decoration:underline}.breadcrumb span{margin:0 10px}.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-color);margin-bottom:60px;display:grid;grid-template-columns:1fr 1fr;gap:40px}.product-d-info,.purchase-options{border:none}.product-d-title{font-size:2rem;font-weight:700;margin-bottom:15px;color:var(--text-primary);line-height:1.3}.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(--text-secondary);opacity:.5}.product-d-specs{margin-bottom:25px;background:var(--light-red);padding:20px;border-radius:12px}.spec-row{display:flex;padding:12px 0;border-bottom:1px solid rgba(255,90,95,.1)}.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-red);width:20px}.spec-value{flex:1;font-weight:600;color:var(--text-primary)}.spec-value.highlight{color:var(--success-green)}.option-title{font-size:1.4rem;font-weight:600;margin-bottom:25px;color:var(--text-primary);display:flex;align-items:center;gap:10px}.option-title i{color:var(--primary-red)}.form-group{margin-bottom:25px}.form-label{display:block;margin-bottom:12px;color:var(--text-secondary);font-weight:500;font-size:.95rem}.required{color:var(--price-red)}.email-input{width:100%;padding:14px 18px;border:2px 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-red);box-shadow:0 0 0 4px rgba(255,90,95,.1)}.email-hint{margin-top:10px;font-size:.85rem;color:var(--text-secondary);display:flex;align-items:center;gap:8px;background:#fafafa;padding:8px 15px;border-radius:30px}.email-hint i{color:var(--primary-red)}.quantity-selector{display:flex;align-items:center;background:#fff;border-radius:40px;border:2px solid var(--border-color);overflow:hidden;transition:var(--transition);max-width:160px}.quantity-selector:focus-within{border-color:var(--primary-red);box-shadow:0 0 0 4px rgba(255,90,95,.1)}.quantity-btn{width:44px;height:44px;line-height:44px;border:none;background:var(--light-red);color:var(--primary-red);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1rem;transition:var(--transition)}.quantity-btn:hover{background:var(--primary-red);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:1.1rem;font-weight:600;color:var(--text-primary);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:25px}.payment-label{font-size:1rem;color:var(--text-primary);margin-bottom:15px;font-weight:600;display:flex;align-items:center;gap:8px}.payment-label i{color:var(--primary-red)}.payment-methods{display:flex;gap:12px;flex-wrap:wrap}.payment-method{flex:1;padding:15px 8px;border:2px solid var(--border-color);border-radius:20px;background:#fff;cursor:pointer;transition:var(--transition);text-align:center;font-size:.9rem;font-weight:600;color:var(--text-primary)}.payment-method.selected,.payment-method:hover{border-color:var(--primary-red);background:var(--light-red);transform:translateY(-2px);box-shadow:var(--shadow-hover)}.payment-method input[type=radio]{display:none}.payment-icon{margin-bottom:8px}.payment-icon img{border-radius:12px;transition:var(--transition)}.payment-method:hover img{transform:scale(1.05)}.total-price{background:linear-gradient(135deg,#fff5f5,#ffe8e8);padding:20px;border-radius:20px;margin-bottom:25px;display:flex;justify-content:space-between;align-items:center;border:2px solid rgba(255,90,95,.1)}.total-label{font-size:1.1rem;color:var(--primary-red);font-weight:600;display:flex;align-items:center;gap:8px}.total-amount{font-size:2rem;font-weight:700;color:var(--primary-red)}.action-buttons{display:flex;gap:15px}.btn{padding:16px 28px;border:none;border-radius:40px;font-size:1.1rem;cursor:pointer;transition:var(--transition);font-weight:600;flex:1;text-align:center;text-decoration:none;display:inline-block;letter-spacing:.5px}.btn-primary{background:linear-gradient(135deg,var(--primary-red),var(--hover-red));color:#fff;box-shadow:0 10px 20px rgba(255,90,95,.2)}.btn-primary:hover{box-shadow:0 15px 30px rgba(255,90,95,.3)}.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-secondary{background:linear-gradient(135deg,#f8f9fa,#e9ecef);color:var(--text-primary)}.btn-secondary:hover{background:linear-gradient(135deg,#e9ecef,#dee2e6)}.product-d-description{grid-column:1/-1;background:var(--card-bg);border-radius:var(--card-radius);padding:var(--bs-card-spacer-y) var(--bs-card-spacer-x);box-shadow:var(--shadow);margin-top:20px}.description-d-title{font-size:1.6rem;margin-bottom:25px;color:var(--text-primary);display:flex;align-items:center;gap:12px;border-bottom:2px solid var(--light-red);padding-bottom:15px}.description-d-title i{color:var(--primary-red)}.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:1.4rem;color:var(--text-primary);margin:30px 0 20px;font-weight:600;display:flex;align-items:center;gap:10px}.description-d-content h3 i{color:var(--primary-red)}.description-d-content strong{color:var(--text-primary)}.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:18px;background:var(--light-red);border-radius:16px;transition:var(--transition)}.feature-item:hover{transform:translateX(5px);background:#ffe0e0}.feature-icon{color:var(--success-green);font-size:1.3rem}.security-notice{background:linear-gradient(135deg,#ffe8e8,#ffd9d9);padding:25px;border-radius:20px;margin-top:30px;display:flex;align-items:center;gap:15px;border:2px solid rgba(255,90,95,.1)}.security-icon{font-size:2rem;color:var(--primary-red)}.security-text{flex:1;color:var(--primary-red);font-size:1rem;line-height:1.6;font-weight:500}.related-products{margin-bottom:80px}.section-title{font-size:2rem;font-weight:700;margin-bottom:20px;text-align:center;color:var(--text-primary);display:flex;align-items:center;justify-content:center;gap:12px}.section-title i{color:var(--primary-red)}.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}.ks-product-card{background:var(--card-bg);border-radius:20px;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(--light-red)}.ks-product-card-title{font-size:1.3rem;font-weight:600;margin-bottom:15px;color:var(--text-primary);display:flex;align-items:center;gap:8px}.ks-product-card-description{color:var(--text-secondary);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:1.6rem;margin-bottom:20px;display:flex;align-items:center;gap:4px}.ks-product-card-price:before{content:'$';font-size:1.2rem;color:var(--text-secondary);opacity:.5}.ks-product-card-action .btn{padding:12px 24px;font-size:1rem}.modal-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.8);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:30px;max-width:900px;width:90%;max-height:90vh;overflow-y:auto;transform:scale(.9);transition:transform .3s ease;box-shadow:0 30px 60px rgba(255,90,95,.2)}.modal-overlay.active .modal-content{transform:scale(1)}.modal-header{padding:25px 30px;border-bottom:1px solid #f0f0f0;display:flex;align-items:center;justify-content:space-between}.modal-title{font-weight:700;color:var(--text-primary);gap:12px;font-size:26px;display:flex;align-items:center}.modal-title i{color:var(--primary-red)}.close-btn{font-size:24px;width:44px;height:44px;border:none;background:#f5f5f5;border-radius:50%;cursor:pointer;justify-content:center;color:#999;transition:all .3s;display:flex;align-items:center}.close-btn:hover{background:var(--primary-red);color:#fff;transform:rotate(90deg)}.modal-body{padding:30px;display:grid;grid-template-columns:repeat(2,1fr);gap:30px}.order-summary{background:linear-gradient(135deg,#fafafa,#f5f5f5);padding:25px;border-radius:20px}.summary-title{font-size:18px;font-weight:600;color:var(--text-primary);margin-bottom:20px;gap:10px;display:flex;align-items:center}.summary-title i{color:var(--primary-red)}.summary-row{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px solid rgba(0,0,0,.05)}.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(--light-red)}.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:26px;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}.payment-title i{color:var(--primary-red)}.selected-payment{background:#f0fdf4;border:2px solid var(--success-green);padding:18px;border-radius:16px;display:flex;align-items:center;gap:15px;margin-bottom:20px}.selected-payment .payment-icon{font-size:2.2rem;color:var(--success-green)}.qr-section{text-align:center;padding:20px;background:#f8f9fa;border-radius:20px;margin-bottom:20px}.qr-code{width:200px;height:200px;margin:0 auto 15px;background:#fff;padding:15px;border-radius:20px;display:flex;align-items:center;justify-content:center;font-size:14px;color:#999;border:2px solid #f0f0f0}.address-section{background:#fff;border:2px solid #f0f0f0;border-radius:16px;padding:18px;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:1.5;padding-right:50px;width:85%}.copy-btn{position:absolute;right:15px;top:50%;transform:translateY(-50%);background:var(--success-green);color:#fff;border:none;padding:8px 18px;border-radius:30px;font-size:13px;cursor:pointer;transition:all .3s;display:flex;align-items:center;gap:5px}.copy-btn:hover{background:#05a050;box-shadow:0 5px 15px rgba(46,204,113,.3)}.copy-btn.copied{background:#4caf50}.btn-confirm{background:linear-gradient(135deg,var(--success-green),#05a050);color:#fff;padding:16px 25px;border:none;border-radius:40px;font-size:1.1rem;cursor:pointer;transition:var(--transition);font-weight:600;width:100%;display:flex;align-items:center;justify-content:center;gap:10px}.btn-confirm:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 25px rgba(46,204,113,.4)}.btn-confirm:disabled{opacity:.6;cursor:not-allowed}.countdown-section{background:linear-gradient(135deg,#fff0f0,#ffe0e0);padding:20px;border-radius:16px;margin-bottom:25px;text-align:center;border:2px solid rgba(255,90,95,.1)}.countdown-title{font-size:14px;color:var(--primary-red);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:var(--price-red);font-family:Courier New,monospace;letter-spacing:3px}.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:16px;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: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:1.6rem}.product-d-price{font-size:2rem}.spec-label{flex:0 0 110px;font-size:.9rem}.spec-value{font-size:.9rem}.description-d-title{font-size:1.4rem}.modal-content{width:95%;max-height:95vh;margin:10px}.modal-header{padding:20px}.modal-title{font-size:22px}.modal-body{padding:20px}.qr-code{width:160px;height:160px}.address-value{font-size:12px}}