:root{--primary:#4285f4;--secondary:#34a853;--accent:#ea4335;--bg-light:#f9fafc;--text-dark:#202124;--text-gray:#5f6368;--border:#dadce0;--card-bg:#ffffff;--shadow:0 4px 12px rgba(0, 0, 0, 0.05)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;line-height:1.5;color:var(--text-dark);background-color:var(--bg-light)}.container{max-width:1200px;margin:0 auto;padding:0 20px}.site-header{background:var(--card-bg);box-shadow:0 2px 10px rgba(0,0,0,.03);position:sticky;top:0;z-index:100}.header-flex{display:flex;justify-content:space-between;align-items:center;height:70px}.logo a{font-size:1.8rem;font-weight:700;text-decoration:none;color:var(--text-dark);letter-spacing:-.5px}.brand-color{color:var(--primary)}.nav-list{display:flex;gap:2.5rem;list-style:none}.nav-list a{text-decoration:none;color:var(--text-dark);font-weight:500;font-size:1rem;transition:color .2s}.nav-list a:hover{color:var(--primary)}.hamburger-menu{display:none;flex-direction:column;justify-content:space-between;width:30px;height:21px;background:0 0;border:none;cursor:pointer;padding:0}.hamburger-menu span{width:100%;height:3px;background-color:var(--text-dark);border-radius:3px;transition:all .3s}section{padding:60px 0}.section-title{font-size:2rem;font-weight:700;margin-bottom:1rem;text-align:center;color:var(--text-dark)}.section-subtitle{text-align:center;color:var(--text-gray);margin-bottom:3rem;font-size:1.1rem}.hero-section{text-align:center}.hero-description{margin-top:2rem}.filter-container{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-bottom:40px}.filter-btn{padding:10px 24px;border:1px solid var(--border);background:var(--card-bg);border-radius:40px;font-size:.95rem;font-weight:500;cursor:pointer;transition:all .2s;color:var(--text-gray)}.filter-btn.active,.filter-btn:hover{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 4px 10px rgba(66,133,244,.3)}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:25px;margin-bottom:40px}.product-card{background:var(--card-bg);border-radius:20px;padding:20px;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s;border:1px solid var(--border);display:flex;flex-direction:column}.product-card:hover{box-shadow:0 12px 24px rgba(0,0,0,.1)}.product-cat{font-size:.75rem;text-transform:uppercase;letter-spacing:.5px;color:var(--primary);font-weight:600;margin-bottom:8px}.product-title{font-size:1.25rem;font-weight:600;margin-bottom:8px;color:var(--text-dark)}.product-desc{font-size:.9rem;color:var(--text-gray);margin-bottom:16px;line-height:1.4;flex-grow:1}.product-meta{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;font-size:.9rem;border-top:1px solid var(--border);padding-top:12px}.product-stock{color:var(--secondary);font-weight:500;display:flex;align-items:center;gap:4px}.product-stock::before{content:"•";font-size:1.5rem;line-height:0;color:var(--secondary)}.product-price{font-weight:700;font-size:1.4rem;color:var(--text-dark)}.product-price small{font-size:.8rem;font-weight:400;color:var(--text-gray)}.btn-link{display:inline-block;background:var(--primary);color:#fff;text-align:center;padding:12px 0;border-radius:12px;font-weight:600;text-decoration:none;transition:background-color .2s;border:none;width:100%}.btn-link:hover{background:#3a78e7}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:30px;margin-top:20px}.feature-item{background:var(--card-bg);padding:30px 20px;border-radius:20px;text-align:center;box-shadow:var(--shadow);border:1px solid var(--border)}.feature-icon{font-size:2.5rem;margin-bottom:15px;display:block}.feature-item h3{font-size:1.3rem;margin-bottom:10px;color:var(--text-dark)}.feature-item p{color:var(--text-gray);font-size:.95rem}.faq-grid{max-width:800px;margin:0 auto}.faq-item{background:var(--card-bg);border-radius:16px;margin-bottom:16px;border:1px solid var(--border);overflow:hidden}.faq-question{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;cursor:pointer;font-weight:600;font-size:1.1rem;transition:background-color .2s}.faq-question:hover{background-color:rgba(66,133,244,.02)}.faq-icon{font-size:1.5rem;color:var(--primary);transition:transform .3s}.faq-item.active .faq-icon{transform:rotate(45deg)}.faq-answer{padding:0 24px 20px 24px;color:var(--text-gray);margin-top:-1px;line-height:1.6;display:none}.faq-item.active .faq-answer{display:block}.site-footer{background:var(--card-bg);border-top:1px solid var(--border);padding:30px 0;text-align:center;color:var(--text-gray);font-size:.95rem}@media (max-width:768px){.hamburger-menu{display:flex}.main-nav{position:fixed;top:70px;left:0;right:0;background:var(--card-bg);padding:0;max-height:0;overflow:hidden;transition:max-height .3s ease-out;box-shadow:0 4px 6px rgba(0,0,0,.05);border-top:1px solid var(--border)}.main-nav.active{max-height:300px}.nav-list{flex-direction:column;gap:0;padding:10px 0}.nav-list li{width:100%;text-align:center}.nav-list a{display:block;padding:15px 0}.section-title{font-size:1.8rem}.product-grid{grid-template-columns:1fr}}:root{--hover-green:#27ae60;--light-green:#e8f8f0;--bg-color:#f9f9f9;--card-bg:#ffffff;--text-primary:#2c3e50;--text-secondary:#7f8c8d;--border-color:#ecf0f1;--price-red:#e74c3c;--success-green:#27ae60;--transition:all 0.3s ease;--card-radius:12px;--btn-radius:8px;--shadow:0 4px 20px rgba(0, 0, 0, 0.05);--shadow-hover:0 12px 30px rgba(0, 0, 0, 0.1);--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:0px;--bs-card-border-color:#ecf0f1;--bs-card-border-radius:12px;--bs-card-box-shadow:0 4px 20px rgba(0, 0, 0, 0.05);--bs-card-inner-border-radius:12px;--bs-card-cap-padding-y:15px;--bs-card-cap-padding-x:30px;--bs-card-cap-bg:rgba(46, 204, 113, 0.03);--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);text-decoration:none;font-weight:500;transition:var(--transition)}.breadcrumb a:hover{color:var(--hover-green);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-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:2rem;font-weight:700;margin-bottom:20px;color:var(--text-primary);line-height:1.3}.product-d-price{font-size:2.5rem;font-weight:700;color:var(--price-red);margin-bottom:30px;display:flex;align-items:center;gap:5px}.product-d-price small{font-size:1rem;font-weight:400;color:var(--text-secondary);margin-left:5px}.product-d-specs{margin-bottom:30px}.spec-row{display:flex;padding:15px 0;border-bottom:1px solid var(--border-color)}.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:10px;font-size:.95rem}.spec-label i{color:var(--primary);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:30px;color:var(--text-primary);display:flex;align-items:center;gap:10px;border-bottom:2px solid var(--border-color);padding-bottom:15px}.option-title i{color:var(--primary)}.form-group{margin-bottom:30px}.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)}.email-input:focus{outline:0;border-color:var(--primary);background:var(--card-bg);box-shadow:0 0 0 4px rgba(46,204,113,.1)}.email-hint{margin-top:10px;font-size:.85rem;color:var(--text-secondary);display:flex;align-items:center;gap:8px}.email-hint i{color:var(--primary)}.quantity-selector{display:flex;align-items:center;background:var(--card-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(46,204,113,.1)}.quantity-btn{width:44px;height:44px;border:none;background:var(--light-green);color:var(--primary);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1rem;transition:var(--transition)}.quantity-btn:hover{background:var(--primary);color:var(--card-bg)}.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-primary);outline:0;min-width:70px}.payment-section{margin-bottom:30px}.payment-label{font-size:.95rem;color:var(--text-primary);margin-bottom:12px;font-weight:600;display:flex;align-items:center;gap:8px}.payment-label i{color:var(--primary)}.payment-methods{display:flex;gap:10px}.payment-method{flex:1;min-width:130px;padding:15px 10px;border:2px solid var(--border-color);border-radius:var(--btn-radius);background:var(--card-bg);cursor:pointer;transition:var(--transition);text-align:center;font-size:.9rem;font-weight:600;display:flex;flex-direction:column;align-items:center;gap:8px}.payment-method.selected,.payment-method:hover{border-color:var(--primary)}.payment-method input[type=radio]{display:none}.payment-icon img{border-radius:12px;transition:var(--transition)}.payment-method:hover .payment-icon img{transform:scale(1.05)}.total-price{background:linear-gradient(135deg,#fef9e7,#fef5e7);padding:18px 22px;border-radius:var(--card-radius);margin-bottom:30px;display:flex;justify-content:space-between;align-items:center;border:1px solid #fde3b0}.total-label{font-size:1rem;color:#b26b00;font-weight:500;display:flex;align-items:center;gap:8px}.total-amount{font-size:2rem;font-weight:700;color:#b26b00}.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}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{opacity:.9}.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;margin-top:30px}.description-d-title{font-size:1.6rem;margin-bottom:30px;color:var(--text-primary);display:flex;align-items:center;gap:12px;border-bottom:2px solid var(--border-color);padding-bottom:15px}.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:30px}.description-d-content li{margin-bottom:12px;line-height:1.7}.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)}.description-d-content strong{color:var(--text-primary)}.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin:30px 0}.security-notice{background:linear-gradient(135deg,#e0f2e9,#c8e6d9);padding:22px;border-radius:var(--card-radius);margin-top:30px;display:flex;align-items:center;gap:20px;border:1px solid #a5d6b6}.security-icon{font-size:1.8rem;color:#1b5e3f}.security-text{flex:1;color:#1b5e3f;font-size:.95rem;line-height:1.6}.section-title{font-size:2rem;font-weight:700;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:700px;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);box-shadow:var(--shadow);transition:var(--transition);border:1px solid var(--border-color);display:flex;flex-direction:column}.product-card:hover{box-shadow:var(--shadow-hover);border-color:var(--primary)}.product-card-title{font-size:1.25rem;font-weight:600;margin-bottom:15px;color:var(--text-primary);display:flex;align-items:center;gap:8px}.product-card-title i{color:var(--primary)}.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(--price-red);font-weight:700;font-size:1.5rem;margin-bottom:20px}.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,.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:var(--card-bg);border-radius:20px;max-width:900px;width:90%;max-height:90vh;overflow-y:auto;transform:scale(.9);transition:transform .3s ease;box-shadow:0 25px 60px rgba(0,0,0,.3)}.modal-overlay.active .modal-content{transform:scale(1)}.modal-header{padding:25px 30px;border-bottom:2px solid var(--light-green);display:flex;align-items:center;justify-content:space-between}.modal-title{font-weight:600;color:var(--text-primary);gap:12px;font-size:24px;display:flex;align-items:center}.modal-title i{color:var(--primary)}.close-btn{font-size:24px;width:40px;height:40px;border:none;background:var(--light-green);border-radius:50%;cursor:pointer;justify-content:center;color:var(--primary);transition:all .3s;display:flex;align-items:center}.close-btn:hover{background:var(--primary);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,#f8faf9,#f0f5f2);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-title i{color:var(--primary)}.summary-row{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px solid rgba(46,204,113,.1)}.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(--primary)}.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}.payment-title i{color:var(--primary)}.selected-payment{background:var(--light-green);border:2px solid var(--primary);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;background:var(--bg-color);border-radius:15px;margin-bottom:20px}.qr-code{width:200px;height:200px;margin:0 auto 15px;background:var(--card-bg);padding:10px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--text-secondary);border:2px solid var(--border-color)}.address-section{background:var(--card-bg);border:2px solid var(--primary);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-label i{color:var(--primary)}.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:var(--hover-green)}.copy-btn.copied{background:var(--primary)}.btn-confirm{background:linear-gradient(135deg,var(--success-green),var(--hover-green));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;box-shadow:0 4px 15px rgba(46,204,113,.3)}.btn-confirm:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 25px rgba(46,204,113,.4)}.btn-confirm:disabled{opacity:.6;cursor:not-allowed}.countdown-section{background:linear-gradient(135deg,#fee9e7,#fddcd9);padding:20px;border-radius:12px;margin-bottom:25px;text-align:center;border:1px solid #fbb4ae}.countdown-title{font-size:14px;color:#b64a3a;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:#c0392b;font-family:monospace;letter-spacing:2px}.countdown-timer.warning{animation:blink 1s ease-in-out infinite}.toast-container{position:fixed;top:20px;right:20px;z-index:9999;pointer-events:none}.toast{background:#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;pointer-events:auto;position:relative}.toast.show{transform:translateX(0);opacity:1}.toast.success{background:var(--success-green)}.toast.error{background:var(--price-red)}.toast.warning{background:linear-gradient(135deg,#fff3e0,#ffe0b2)}.toast.info{background:linear-gradient(135deg,#e3f2fd,#bbdefb)}.toast.info .toast-icon{color:#fff}.toast-icon{margin-right:12px;flex-shrink:0}.toast-content{flex:1}.toast-title{font-weight:600;font-size:14px;margin-bottom:2px;color:#fff}.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}.toast-progress{position:absolute;bottom:0;left:0;height:3px;background:rgba(0,0,0,.1);transform-origin:left;animation:progress linear}.toast.success .toast-progress{background:var(--success-green)}.toast.error .toast-progress{background:var(--price-red)}.toast.warning .toast-progress{background:#f39c12}.toast.info .toast-progress{background:#1976d2}@media (max-width:1024px){.product-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){.breadcrumb{margin:90px 0 20px}.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}.modal-body{grid-template-columns:1fr;gap:20px}.product-grid{grid-template-columns:1fr}.product-d-title{font-size:1.8rem}.product-d-price{font-size:2.2rem}}@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}}