:root{--primary:#C91623;--primary-hover:#b01420;--bg:#f5f5f5;--card:#ffffff;--card-alt:#fcfcfc;--text:#1a1a1a;--text-secondary:#3d3d3d;--text-muted:#6b6b6b;--border:rgba(0, 0, 0, 0.04);--border-red:rgba(201, 22, 35, 0.08);--shadow:0 8px 32px rgba(201, 22, 35, 0.25);--radius:20px;--radius-sm:12px;--radius-xs:8px;--transition:0.3s cubic-bezier(0.4, 0, 0.2, 1)}*{margin:0;padding:0;box-sizing:border-box}a{text-decoration:none}body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.6;letter-spacing:-.02em;padding-top:72px}img{max-width:100%;height:auto}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);height:72px;display:flex;align-items:center}.header-container{display:flex;justify-content:space-between;align-items:center}.logo-wrap{display:flex;align-items:center}.logo{display:flex;align-items:center;font-weight:700;font-size:28px;color:var(--primary);gap:6px}.hamburger{display:none;flex-direction:column;gap:5px;background:0 0;border:none;cursor:pointer;padding:5px}.hamburger .bar{display:block;width:28px;height:2.5px;background:var(--text);border-radius:4px;transition:var(--transition)}.hamburger.active .bar:first-child{transform:translateY(7px) rotate(45deg)}.hamburger.active .bar:nth-child(2){opacity:0}.hamburger.active .bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.nav-list{display:flex;list-style:none;gap:32px;align-items:center}.nav-list a{color:var(--text-secondary);font-weight:500;font-size:15px;transition:var(--transition);position:relative;padding:4px 0}.nav-list a:hover{color:var(--primary)}.nav-list a::after{content:'';position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--primary);transition:var(--transition)}.nav-list a:focus::after,.nav-list a:hover::after{width:100%}.hero-section{padding:60px 0 80px;background:linear-gradient(145deg,#fff 0,#f8f8f8 100%);position:relative;overflow:hidden;border-bottom:1px solid var(--border)}.hero-section::before{content:'';position:absolute;top:-120px;right:-120px;width:500px;height:500px;background:radial-gradient(circle,rgba(201,22,35,.06) 0,transparent 70%);border-radius:50%}.hero-content{position:relative;z-index:2;max-width:800px;margin:0 auto;text-align:center}.hero-content h1{font-size:52px;font-weight:700;line-height:1.2;letter-spacing:-.03em;margin-bottom:24px;color:var(--text)}.hero-content h1 .highlight{color:var(--primary)}.hero-content p{font-size:18px;color:var(--text-secondary);line-height:1.8;max-width:640px;margin:0 auto 32px}.hero-stats{display:flex;gap:48px;justify-content:center}.hero-stats .stat-item{text-align:center}.hero-stats .stat-number{font-size:32px;font-weight:700;color:var(--primary);display:block;line-height:1.2}.hero-stats .stat-label{font-size:14px;color:var(--text-muted)}.section{padding:72px 0}.section-title{font-size:36px;font-weight:700;letter-spacing:-.02em;margin-bottom:16px;color:var(--text)}.section-title .highlight{color:var(--primary)}.section-subtitle{font-size:16px;color:var(--text-muted);margin-bottom:40px;max-width:640px}.section-header{text-align:center;margin-bottom:48px}.section-header .section-subtitle{margin-left:auto;margin-right:auto}.filter-bar{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:40px;justify-content:center}.filter-btn{padding:10px 28px;border:1px solid var(--border-red);background:#fff;border-radius:50px;font-size:15px;font-weight:500;color:var(--text-secondary);cursor:pointer;transition:var(--transition);font-family:inherit}.filter-btn:hover{background:rgba(201,22,35,.04)}.filter-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}.product-table-wrap{background:#fff;border-radius:var(--radius);box-shadow:0 4px 20px rgba(0,0,0,.02);overflow:auto;border:1px solid var(--border)}.product-table{width:100%;border-collapse:collapse;font-size:15px}.product-table thead{background:#fafafa;border-bottom:1px solid var(--border)}.product-table th{padding:16px 20px;text-align:left;font-weight:600;color:var(--text-secondary);font-size:14px;text-transform:uppercase;letter-spacing:.03em}.product-table td{padding:16px 20px;border-bottom:1px solid var(--border);color:var(--text-secondary)}.product-table tbody tr:hover{background:#fcfcfc}.product-table .product-name{font-weight:600;color:var(--text)}.product-table .price{font-weight:700;color:var(--primary)}.product-table .stock{color:#22a65e;font-weight:500}.product-table .btn-buy{display:inline-block;padding:6px 20px;background:var(--primary);color:#fff;border-radius:50px;font-size:14px;font-weight:500;transition:var(--transition)}.product-table .btn-buy:hover{background:var(--primary-hover);box-shadow:0 4px 12px rgba(201,22,35,.3)}.product-table .btn-buy:active{transform:scale(.97)}.advantages-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:32px}.advantage-card{background:#fff;padding:36px 28px;border-radius:var(--radius);text-align:center;border:1px solid var(--border);transition:var(--transition);position:relative}.advantage-card:hover{transform:scale(1.003);box-shadow:0 8px 32px rgba(201,22,35,.06)}.advantage-card .icon{font-size:44px;margin-bottom:16px;display:block;color:var(--primary)}.advantage-card h3{font-size:20px;font-weight:700;margin-bottom:10px}.advantage-card p{font-size:15px;color:var(--text-muted);line-height:1.7}.process-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:32px;counter-reset:step}.process-item{background:#fff;padding:36px 24px;border-radius:var(--radius);text-align:center;border:1px solid var(--border);position:relative;transition:var(--transition)}.process-item:hover{transform:scale(1.003);box-shadow:0 8px 32px rgba(201,22,35,.06)}.process-item .step-num{width:52px;height:52px;background:var(--primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;margin:0 auto 16px}.process-item h3{font-size:18px;font-weight:700;margin-bottom:8px}.process-item p{font-size:14px;color:var(--text-muted);line-height:1.6}.guarantee-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px}.guarantee-item{background:#fff;padding:28px 20px;border-radius:var(--radius-sm);border-left:4px solid var(--primary);box-shadow:0 2px 12px rgba(0,0,0,.02)}.guarantee-item h4{font-size:17px;font-weight:600;margin-bottom:6px}.guarantee-item p{font-size:14px;color:var(--text-muted);line-height:1.6}.policy-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}.policy-item{background:#fff;padding:28px 24px;border-radius:var(--radius-sm);border:1px solid var(--border);display:flex;align-items:flex-start;gap:16px;transition:var(--transition)}.policy-item:hover{transform:scale(1.003);box-shadow:0 4px 20px rgba(201,22,35,.06)}.policy-item .policy-icon{flex-shrink:0;width:44px;height:44px;background:rgba(201,22,35,.08);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:20px}.policy-item .policy-content{flex:1}.policy-item .policy-content h4{font-size:16px;font-weight:600;margin-bottom:4px;color:var(--text)}.policy-item .policy-content p{font-size:14px;color:var(--text-muted);line-height:1.6;margin:0}.faq-list{display:flex;flex-direction:column;gap:12px;max-width:860px;margin:0 auto}.faq-item{background:#fff;border-radius:var(--radius-sm);border:1px solid var(--border);overflow:hidden;transition:var(--transition)}.faq-item:hover{border-color:rgba(201,22,35,.15)}.faq-question{width:100%;padding:18px 24px;background:0 0;border:none;font-size:16px;font-weight:600;color:var(--text);display:flex;justify-content:space-between;align-items:center;cursor:pointer;text-align:left;font-family:inherit;transition:var(--transition)}.faq-question:hover{color:var(--primary)}.faq-question .arrow{font-size:20px;transition:var(--transition);color:var(--text-muted);flex-shrink:0;margin-left:16px}.faq-item.active .faq-question .arrow{transform:rotate(180deg)}.faq-answer{padding:0 24px 20px;font-size:15px;color:var(--text-secondary);line-height:1.8;display:none}.faq-item.active .faq-answer{display:block}.testimonials-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:32px}.testimonial-card{background:#fff;padding:32px 28px;border-radius:var(--radius);border:1px solid var(--border);transition:var(--transition)}.testimonial-card:hover{transform:scale(1.003);box-shadow:0 8px 32px rgba(201,22,35,.06)}.testimonial-card .stars{color:#f5a623;font-size:18px;margin-bottom:12px;letter-spacing:2px}.testimonial-card blockquote{font-size:15px;color:var(--text-secondary);line-height:1.8;font-style:italic;margin-bottom:16px}.testimonial-card .author{font-weight:600;color:var(--text)}.testimonial-card .role{font-size:13px;color:var(--text-muted)}.site-footer{background:#1a1a1a;color:#999;padding:32px 0;text-align:center;border-top:1px solid rgba(255,255,255,.05)}.site-footer p{font-size:14px;letter-spacing:.02em}.site-footer a{color:#999}@media (max-width:992px){.hero-content h1{font-size:40px}.section-title{font-size:30px}}@media (max-width:768px){body{padding-top:64px}.site-header{height:64px}.logo-text{font-size:20px}.hamburger{display:flex}.main-nav{position:fixed;top:64px;left:0;right:0;background:#fff;padding:20px 24px 32px;box-shadow:0 20px 40px rgba(0,0,0,.08);transform:translateY(-120%);transition:var(--transition);opacity:0;visibility:hidden;border-bottom:1px solid var(--border)}.main-nav.open{transform:translateY(0);opacity:1;visibility:visible}.nav-list{flex-direction:column;gap:16px;align-items:stretch}.nav-list a{display:block;padding:10px 0;font-size:16px;border-bottom:1px solid var(--border)}.hero-section{padding:40px 0 60px}.hero-content h1{font-size:32px}.hero-stats{gap:24px;flex-wrap:wrap;justify-content:center}.hero-stats .stat-number{font-size:26px}.section{padding:48px 0}.section-title{font-size:26px}.product-table-wrap{border-radius:var(--radius-sm)}.product-table td,.product-table th{padding:12px 14px;font-size:14px}.filter-btn{padding:8px 20px;font-size:14px}.advantage-card{padding:24px 16px}.process-item{padding:24px 16px}.policy-item{padding:20px 16px}.faq-question{font-size:15px;padding:14px 18px}.site-footer{padding:24px 0}}@media (max-width:480px){.hero-content h1{font-size:26px}.hero-stats .stat-number{font-size:22px}.product-table td,.product-table th{padding:10px 12px}.btn-buy{font-size:12px;padding:4px 14px}.policy-grid{grid-template-columns:1fr}}:root{--primary:#C91623;--primary-hover:#b01420;--primary-light:rgba(201, 22, 35, 0.08);--primary-gradient:linear-gradient(135deg, #C91623, #b01420);--bg:#f5f5f5;--card:#ffffff;--card-alt:#fcfcfc;--text:#1a1a1a;--text-secondary:#3d3d3d;--text-muted:#6b6b6b;--border:rgba(0, 0, 0, 0.04);--border-red:rgba(201, 22, 35, 0.08);--shadow:0 8px 32px rgba(201, 22, 35, 0.12);--shadow-hover:0 12px 48px rgba(201, 22, 35, 0.18);--radius:20px;--radius-sm:12px;--radius-xs:8px;--transition:0.3s cubic-bezier(0.4, 0, 0.2, 1);--bs-card-spacer-y:30px;--bs-card-spacer-x:30px;--bs-card-title-spacer-y:0.5rem;--bs-card-title-color:#1a1a1a;--bs-card-subtitle-color:#3d3d3d;--bs-card-border-width:1px;--bs-card-border-color:rgba(0, 0, 0, 0.04);--bs-card-border-radius:20px;--bs-card-box-shadow:0 8px 32px rgba(201, 22, 35, 0.08);--bs-card-inner-border-radius:20px;--bs-card-cap-padding-y:15px;--bs-card-cap-padding-x:30px;--bs-card-cap-bg:rgba(201, 22, 35, 0.03);--bs-card-bg:#ffffff;--bs-card-img-overlay-padding:1rem;--bs-card-group-margin:12px;--price-red:#C91623;--success-green:#22a65e}.breadcrumb{margin:30px 0;font-size:.9rem;color:var(--text-secondary)}.breadcrumb a{color:var(--primary);transition:var(--transition)}.breadcrumb a:hover{text-decoration:underline;color:var(--primary-hover)}.breadcrumb span{margin:0 8px}.product-d-detail{background:var(--card);border-radius:var(--radius);padding:var(--bs-card-spacer-y) var(--bs-card-spacer-x);border:1px solid var(--border);margin-bottom:60px;display:grid;grid-template-columns:1fr 1fr;gap:40px}.product-d-info,.purchase-options{border:none}.product-d-title{font-size:1.8rem;font-weight:700;margin-bottom:15px;color:var(--text)}.product-d-price{font-size:2.2rem;font-weight:700;color:var(--price-red);margin-bottom:25px}.product-d-specs{margin-bottom:25px}.spec-row{display:flex;padding:12px 0;border-bottom:1px solid var(--border)}.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-value{flex:1;font-weight:600;color:var(--text)}.spec-value.highlight{color:var(--success-green)}.option-title{font-size:1.3rem;font-weight:600;margin-bottom:25px;color:var(--text)}.form-group{margin-bottom:25px}.form-label{display:block;margin-bottom:10px;color:var(--text-secondary);font-weight:500;font-size:.95rem}.required{color:var(--price-red)}.email-input{width:100%;padding:12px 15px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:1rem;transition:var(--transition);background:#fff;color:var(--text)}.email-input:focus{outline:0;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.email-hint{margin-top:8px;font-size:.85rem;color:var(--text-muted);display:flex;align-items:center;gap:5px}.quantity-selector{display:flex;align-items:center;background:#fff;border-radius:var(--radius-sm);border:1px solid var(--border);overflow:hidden;transition:var(--transition);max-width:150px}.quantity-selector:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.quantity-btn{width:40px;height:40px;border:none;background:var(--primary-light);color:var(--text);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1rem;transition:var(--transition)}.quantity-btn:hover{background:rgba(201,22,35,.15)}.quantity-btn:disabled{opacity:.5;cursor:not-allowed}.quantity-input{flex:1;height:40px;text-align:center;border:none;background:0 0;font-size:1rem;font-weight:600;color:var(--text);outline:0;min-width:60px}.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-label{font-size:.95rem;color:var(--text);margin-bottom:8px;font-weight:600}.payment-methods{display:flex;gap:8px;flex-wrap:wrap}.payment-method{flex:1;min-width:120px;padding:12px 8px;border:1px solid var(--border);border-radius:var(--radius-sm);background:#fff;cursor:pointer;transition:var(--transition);text-align:center;font-size:.85rem;font-weight:600;color:var(--text-secondary)}.payment-method.selected,.payment-method:hover{border-color:var(--primary);background:var(--primary-light)}.payment-method input[type=radio]{display:none}.payment-icon{margin-bottom:5px}.payment-icon>img{border-radius:10px}.total-price{background:linear-gradient(135deg,#fef2f2,#fee2e2);padding:15px 20px;border-radius:var(--radius-sm);margin-bottom:25px;display:flex;justify-content:space-between;align-items:center;border:1px solid rgba(201,22,35,.08)}.total-label{font-size:1rem;color:#991b1b;font-weight:500}.total-amount{font-size:1.8rem;font-weight:700;color:#991b1b}.action-buttons{display:flex;gap:15px}.btn{padding:15px 25px;border:none;border-radius:var(--radius-sm);font-size:1rem;cursor:pointer;transition:var(--transition);font-weight:600;flex:1;text-align:center;display:inline-block;font-family:inherit}.btn-primary{background:var(--primary-gradient);color:#fff}.btn-primary:hover{box-shadow:0 8px 24px rgba(201,22,35,.35)}.btn-primary:active{transform:scale(.97)}.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-secondary{background:linear-gradient(135deg,#f5f5f5,#e8e8e8);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:linear-gradient(135deg,#e8e8e8,#ddd)}.product-d-description{grid-column:1/-1;margin-top:20px}.description-d-title{font-size:1.5rem;margin-bottom:25px;color:var(--text);display:flex;align-items:center;gap:10px}.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:1.3rem;color:var(--text);margin:25px 0 15px;font-weight:600;display:flex;align-items:center;gap:10px}.description-d-content strong{color:var(--text)}.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;background:var(--primary-light);border-radius:var(--radius-sm)}.feature-icon{color:var(--success-green);font-size:1.2rem}.security-notice{background:linear-gradient(135deg,#fef2f2,#fee2e2);padding:20px;border-radius:var(--radius-sm);margin-top:30px;display:flex;align-items:center;gap:15px;border:1px solid rgba(201,22,35,.08)}.security-icon{font-size:1.5rem;color:#991b1b}.security-text{flex:1;color:#991b1b;font-size:.95rem;line-height:1.6}.related-products{margin-bottom:80px}.section-title{font-size:1.8rem;font-weight:700;margin-bottom:15px;text-align:center;color:var(--text)}.section-subtitle{font-size:1.1rem;color:var(--text-secondary);text-align:center;margin-bottom:30px;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);border-radius:var(--radius);padding:var(--bs-card-spacer-y) var(--bs-card-spacer-x);transition:var(--transition);border:1px solid var(--border);display:flex;flex-direction:column}.ks-product-card:hover{box-shadow:var(--shadow-hover)}.ks-product-card-title{font-size:1.2rem;font-weight:600;margin-bottom:15px;color:var(--text);flex-grow:0;display:flex;align-items:center;gap:8px}.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:1.3rem;margin-bottom:15px;flex-grow:0}.ks-product-card-action{flex-grow:0}.ks-product-card-action .btn-primary{display:inline-block;padding:10px 24px;background:var(--primary-gradient);color:#fff;border-radius:var(--radius-sm);font-size:.95rem;font-weight:600;transition:var(--transition)}.ks-product-card-action .btn-primary:hover{box-shadow:0 8px 24px rgba(201,22,35,.3)}.ks-product-card-action .btn-primary:active{transform:scale(.97)}.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:var(--radius);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 var(--border);display:flex;align-items:center;justify-content:space-between}.modal-title{font-weight:600;color:var(--text);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:var(--radius-sm)}.summary-title{font-size:18px;font-weight:600;color:var(--text);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)}.summary-value.total{font-size:24px;color:var(--price-red)}.summary-value.total::after{font-size:18px;content:' USDT'}.payment-title{font-size:16px;font-weight:600;color:var(--text);margin-bottom:15px;display:flex;align-items:center;gap:8px}.selected-payment{background:#f0fdf4;border:2px solid var(--success-green);padding:15px;border-radius:var(--radius-sm);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 var(--border)}.address-section{background:#fff;border:2px solid var(--border);border-radius:var(--radius-sm);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:13px;word-break:break-all;color:var(--text);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:var(--radius-xs);font-size:13px;cursor:pointer;transition:all .3s;display:flex;align-items:center;gap:5px}.copy-btn:hover{background:#1a8e4e}.copy-btn.copied{background:#4caf50}.btn-confirm{background:var(--primary-gradient);color:#fff;padding:15px 25px;border:none;border-radius:var(--radius-sm);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){box-shadow:0 8px 24px rgba(201,22,35,.35)}.btn-confirm:active:not(:disabled){transform:scale(.97)}.btn-confirm:disabled{opacity:.6;cursor:not-allowed}.countdown-section{background:linear-gradient(135deg,#fef2f2,#fee2e2);padding:20px;border-radius:var(--radius-sm);margin-bottom:25px;text-align:center;border:1px solid rgba(201,22,35,.08)}.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:var(--price-red);letter-spacing:2px}.countdown-timer.warning{animation:blink 1s ease-in-out infinite}.countdown-hint{font-size:12px;color:#7f1d1d;margin-top:8px}@keyframes blink{0%,50%{opacity:1}51%,to{opacity:.3}}.toast-container{position:fixed;top:20px;right:20px;z-index:9999;pointer-events:none}.toast{background:#fff;border-radius:var(--radius-sm);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:#22a65e;color:#fff}.toast.error{background:var(--price-red);color:#fff}.toast.warning{background:linear-gradient(135deg,#fffbeb,#fef3c7);border-left:4px solid #f59e0b}.toast.info{background:linear-gradient(135deg,#eff6ff,#dbeafe);border-left:4px solid #3b82f6}.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;color:#374151}.toast.success .toast-message,.toast.success .toast-title{color:#fff}.toast.error .toast-message,.toast.error .toast-title{color:#fff}.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.success .toast-close{color:#fff}.toast.error .toast-close{color:#fff}.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:var(--price-red)}.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{padding:20px;display:block;grid-template-columns:none;gap:0}.modal-body .order-summary{margin-bottom:30px}.product-grid{grid-template-columns:1fr}.product-table-wrap{background:0 0;border-radius:0;border:0;box-shadow:unset}.product-table thead{display:none}.product-table,.product-table tbody,.product-table td,.product-table tr{display:block;width:100%}.product-table tr{margin-bottom:20px;position:relative;border-radius:28px;background:var(--bs-card-bg);overflow:hidden}.product-table td{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;border-radius:0!important;box-shadow:none}.product-table td:first-child::before{content:'';width:0}.product-table td::before{content:attr(data-label);font-weight:400;color:#64748b;width:40%;font-size:.9rem}.product-table td:first-child>small{display:none}.product-table td:last-child{border-bottom:none}}@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}}