:root{--primary:#f60;--primary-hover:#e55d00;--bg:#fff;--secondary-bg:#fafafa;--table-header:#fff5f0;--promo-bg:#fff7f0;--title:#1a1a1a;--text:#333;--sub-text:#555;--light-text:#666;--border:#f0f0f0;--border-em:#ffd1b3;--footer-text:#888}*{margin:0;padding:0;box-sizing:border-box}body{font-family:system-ui,'Segoe UI',Roboto,'PingFang SC','Microsoft YaHei',sans-serif;color:var(--text);background:var(--bg);line-height:1.5}.container{max-width:1200px;margin:0 auto;padding:0 20px}.navbar{position:sticky;top:0;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);z-index:1000}.nav-container{display:flex;justify-content:space-between;align-items:center;padding:16px 20px}.logo{display:flex;align-items:center;gap:10px;text-decoration:none}.logo-icon{width:36px;height:36px;background:var(--primary);border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.2rem}.logo-text{color:var(--primary);font-weight:700;font-size:1.8rem;letter-spacing:-.5px}.nav-links{display:flex;gap:32px}.nav-link{text-decoration:none;color:var(--text);font-weight:500;font-size:1rem;transition:color .2s ease}.nav-link:hover{color:var(--primary)}.menu-toggle{display:none;flex-direction:column;gap:5px;background:0 0;border:none;cursor:pointer}.menu-toggle span{width:25px;height:2px;background:var(--title);transition:.2s}.hero{text-align:center;padding:60px 20px 50px}.hero h1{font-size:2.8rem;font-weight:800;letter-spacing:-.5px;color:var(--title);margin-bottom:20px}.hero p{font-size:1rem;color:var(--sub-text);max-width:700px;margin:0 auto}.stats{display:flex;justify-content:center;flex-wrap:wrap;gap:40px;padding:30px 20px 50px}.stat-item{text-align:center}.stat-number{font-size:2rem;font-weight:800;color:var(--primary)}.stat-label{color:var(--light-text)}.filter-bar{padding:20px 0}.filter-buttons{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}.filter-btn{background:0 0;border:1px solid var(--border);padding:12px 20px;border-radius:30px;cursor:pointer;transition:all .2s;color:var(--text)}.filter-btn.active,.filter-btn:hover{background:var(--primary);color:#fff;border-color:var(--primary)}.section-title{font-size:2rem;font-weight:700;text-align:center;color:var(--title);margin-bottom:40px}h2.section-title,h3.section-subtitle{color:var(--title)}.product-table-wrapper{overflow-x:auto;border-radius:16px;box-shadow:0 4px 14px rgba(0,0,0,.02);border:1px solid var(--border)}table{width:100%;border-collapse:collapse;background:#fff}.product-table th{background:var(--table-header);color:var(--primary);font-weight:600;padding:16px;text-align:left;border-bottom:2px solid var(--primary)}.product-table td{padding:16px;border-bottom:1px solid var(--border);color:var(--text)}.product-table .price{color:var(--primary);font-weight:700}.product-table .title{font-weight:700}.badge{background:rgba(255,102,0,.1);color:var(--primary);padding:4px 12px;border-radius:20px;font-weight:600;font-size:.75rem;display:inline-block}.badge-outline{border:1px solid var(--primary);color:var(--primary);background:0 0;padding:4px 12px;border-radius:20px;font-weight:600;font-size:.75rem;display:inline-block}.btn-outline{background:0 0;border:2px solid var(--primary);color:var(--primary);font-weight:600;padding:8px 18px;border-radius:30px;cursor:pointer;transition:all .2s;text-decoration:none;display:inline-block}.btn-outline:hover{background:var(--primary);color:#fff}.action-link{color:#fff;padding:8px 20px;background:var(--primary);border-radius:20px;font-weight:600;text-decoration:none;font-size:.9rem}.grid-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px;margin:40px 0}.card{background:#fff;border:1px solid var(--border);border-radius:20px;padding:28px 20px;transition:all .25s ease;box-shadow:0 8px 20px rgba(0,0,0,.02)}.card:hover{border-color:var(--primary);transform:translateY(-4px);box-shadow:0 16px 28px rgba(255,102,0,.08)}.card-icon{width:56px;height:56px;background:rgba(255,102,0,.1);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:28px;margin-bottom:20px}.card h3{font-size:1.3rem;margin-bottom:12px}.card p{color:var(--light-text);font-size:.95rem;line-height:1.5}.promo-area{background:var(--secondary-bg);border-radius:28px;padding:40px 30px}.steps{display:flex;flex-wrap:wrap;justify-content:space-between;gap:20px}.step{flex:1;text-align:center;min-width:150px}.promo-banner{background:var(--promo-bg);border:1px solid var(--border-em);border-radius:18px;padding:14px 32px;display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:16px}.promo-banner span{color:#4a4a4a}.promo-banner a{color:var(--primary);font-weight:600}.faq-list{margin-top:30px}.faq-item{border-bottom:1px solid var(--border);margin-bottom:15px}.faq-question{display:flex;justify-content:space-between;align-items:center;padding:18px 0;cursor:pointer;font-weight:600}.faq-question h3{font-size:1rem}.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease;padding-bottom:0;color:var(--light-text)}.faq-item.active .faq-answer{max-height:300px;padding-bottom:20px}.faq-icon{font-size:1.5rem;transition:transform .2s}.faq-item.active .faq-icon{transform:rotate(45deg)}footer{text-align:center;padding:40px 20px;color:var(--footer-text);border-top:1px solid var(--border);margin-top:60px}footer a{color:var(--footer-text)}#advantages,#faq,#guarantee,#process,#products,#service,.promo-banner{margin-bottom:100px}.btn-primary{background:var(--primary);color:#fff;font-weight:600;padding:10px 22px;border-radius:30px;text-decoration:none;display:inline-block;box-shadow:0 4px 12px rgba(255,102,0,.25);transition:all .2s ease;border:none;cursor:pointer}.btn-primary:hover{background:var(--primary-hover)}@media (max-width:640px){.menu-toggle{display:flex}.nav-links{display:none;flex-direction:column;gap:16px;width:100%;padding:20px 0;background:rgba(255,255,255,.98)}.nav-links.active{display:flex}.nav-container{flex-wrap:wrap}.hero h1{font-size:2rem}.stats{gap:24px}.promo-area{padding:24px 16px}.promo-banner{padding:12px 20px}.section-title{font-size:1.8rem}}:root{--primary:#f60;--primary-hover:#e55d00;--primary-light:rgba(255, 102, 0, 0.1);--primary-gradient:linear-gradient(135deg, #f60, #e55d00);--bg-color:#ffffff;--card-bg:#ffffff;--text-primary:#1a1a1a;--text-secondary:#555;--text-light:#666;--border-color:#f0f0f0;--border-em:#ffd1b3;--price-red:#f60;--success-green:#22c55e;--transition:all 0.2s ease;--card-radius:20px;--btn-radius:30px;--shadow:0 8px 20px rgba(0, 0, 0, 0.02);--shadow-hover:0 16px 28px rgba(255, 102, 0, 0.08);--bs-card-spacer-y:28px;--bs-card-spacer-x:20px;--bs-card-title-spacer-y:0.5rem;--bs-card-title-color:#1a1a1a;--bs-card-subtitle-color:#555;--bs-card-border-width:1px;--bs-card-border-color:#f0f0f0;--bs-card-border-radius:20px;--bs-card-box-shadow:0 8px 20px rgba(0, 0, 0, 0.02);--bs-card-inner-border-radius:20px;--bs-card-cap-padding-y:15px;--bs-card-cap-padding-x:20px;--bs-card-cap-bg:rgba(255, 102, 0, 0.03);--bs-card-group-margin:12px}.breadcrumb{margin:30px 0;font-size:.9rem;color:#666}.breadcrumb a{color:#f60;text-decoration:none;transition:var(--transition)}.breadcrumb a:hover{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}.product-d-info,.purchase-options{border:none}.product-d-title{font-size:1.8rem;font-weight:700;margin-bottom:15px;color:var(--text-primary)}.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-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:8px}.spec-value{flex:1;font-weight:600;color:var(--text-primary)}.spec-value.highlight{color:var(--success-green)}.option-title{font-size:1.3rem;font-weight:600;margin-bottom:25px;color:var(--text-primary)}.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-color);border-radius:var(--btn-radius);font-size:1rem;transition:var(--transition)}.email-input:focus{outline:0;border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,102,0,.1)}.email-hint{margin-top:8px;font-size:.85rem;color:var(--text-secondary);display:flex;align-items:center;gap:5px}.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);box-shadow:0 0 0 3px rgba(255,102,0,.1)}.quantity-btn{width:40px;height:40px;line-height:40px;border:none;background:rgba(255,102,0,.1);color:var(--text-primary);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1rem;transition:var(--transition)}.quantity-btn:hover{background:rgba(255,102,0,.2)}.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-primary);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-primary);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-color);border-radius:var(--btn-radius);background:#fff;cursor:pointer;transition:var(--transition);text-align:center;font-size:.85rem;font-weight:600}.payment-method.selected,.payment-method:hover{border-color:var(--primary);background:rgba(255,102,0,.1)}.payment-method input[type=radio]{display:none}.payment-icon{margin-bottom:5px}.payment-icon>img{border-radius:10px}.total-price{background:rgba(255,102,0,.05);padding:15px;border-radius:var(--card-radius);margin-bottom:25px;display:flex;justify-content:space-between;align-items:center;border:1px solid #ffd1b3}.total-label{font-size:1rem;color:#f60;font-weight:500}.total-amount{font-weight:700;color:#f60}.action-buttons{display:flex;gap:15px}.btn{padding:15px 25px;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:#f60;color:#fff;box-shadow:0 4px 12px rgba(255,102,0,.25)}.btn-primary:hover{background:#e55d00;box-shadow:0 6px 16px rgba(255,102,0,.35)}.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-secondary{background:#f5f5f5;color:var(--text-primary)}.btn-secondary:hover{background:#e0e0e0}.product-d-description{grid-column:1/-1;margin-top:20px}.description-d-title{font-size:1.5rem;margin-bottom:25px;color:var(--text-primary);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-primary);margin:25px 0 15px;font-weight:600;display:flex;align-items:center;gap:10px}.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:10px;padding:15px;background:rgba(255,102,0,.05);border-radius:var(--btn-radius)}.feature-icon{color:var(--success-green);font-size:1.2rem}.security-notice{background:rgba(255,102,0,.05);padding:20px;border-radius:var(--card-radius);margin-top:30px;display:flex;align-items:center;gap:15px;border:1px solid #ffd1b3}.security-icon{font-size:1.5rem;color:#f60}.security-text{flex:1;color:#555;font-size:.95rem;line-height:1.6}.related-products{margin-bottom:80px}.section-title{font-size:2rem;font-weight:700;margin-bottom:40px;text-align:center;color:var(--text-primary)}.section-subtitle{font-size: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-bg);border-radius:var(--card-radius);padding:var(--bs-card-spacer-y) var(--bs-card-spacer-x);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:#f60}.ks-product-card-title{font-size:1.2rem;font-weight:600;margin-bottom:15px;color:var(--text-primary);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:600;font-size:1.3rem;margin-bottom:15px;flex-grow:0}.ks-product-card-action{flex-grow:0}.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:rgba(255,102,0,.03);padding:25px;border-radius:15px;border:1px solid var(--border-color)}.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)}.summary-value.total::after{content:' USDT';font-size:18px}.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:var(--primary-gradient);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(255,102,0,.4)}.btn-confirm:disabled{opacity:.6;cursor:not-allowed}.countdown-section{background:#fff7f0;padding:20px;border-radius:12px;margin-bottom:25px;text-align:center;border:1px solid #ffd1b3}.countdown-title{font-size:14px;color:#f60;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:#f60;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}.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}.product-table-wrapper{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;border:1px solid var(--border);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:600;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}}