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var(--bs-card-spacer-x);box-shadow:var(--shadow-light);transition:var(--transition);border:1px solid var(--border-color);display:flex;flex-direction:column}.product-card:hover{box-shadow:var(--shadow-light-hover)}.product-card-title{font-size:1.2rem;font-weight:700;letter-spacing:-.02em;margin-bottom:16px;color:var(--text-primary);flex-grow:0;display:flex;align-items:center;gap:8px}.product-card-description{color:var(--text-tertiary);margin-bottom:16px;font-size:.95rem;line-height:1.7;flex-grow:1}.product-card-price{color:var(--primary);font-weight:800;font-size:1.4rem;margin-bottom:20px;flex-grow:0;letter-spacing:-.02em}.product-card-action{flex-grow:0}.product-card-action .btn{padding:12px 22px;font-size:.9rem}.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:28px;max-width:900px;width:90%;max-height:90vh;overflow-y:auto;transform:scale(.9);transition:transform .3s ease;box-shadow:var(--shadow-cta)}.modal-overlay.active .modal-content{transform:scale(1)}.modal-header{padding:28px 36px;border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between}.modal-title{font-weight:800;color:var(--text-primary);gap:12px;font-size:1.5rem;letter-spacing:-.02em;display:flex;align-items:center}.modal-title i{color:var(--primary)}.close-btn{font-size:20px;width:42px;height:42px;border:none;background:var(--primary-light);border-radius:50%;cursor:pointer;justify-content:center;color:var(--primary);transition:var(--transition);display:flex;align-items:center}.close-btn:hover{background:var(--primary-transparent);transform:rotate(90deg)}.modal-body{padding:20px;display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.order-summary{background:var(--primary-light);padding:28px;border-radius:20px}.summary-title{font-size:1.1rem;font-weight:700;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(138,43,226,.12)}.summary-row-clear-bt{border-bottom:none}.summary-row:last-child{border-bottom:none;padding-top:16px;margin-top:6px;border-top:2px solid var(--primary-transparent)}.summary-label{width:120px;color:var(--text-tertiary);font-size:.9rem;font-weight:500}.summary-value{font-weight:700;color:var(--text-primary)}.summary-value.total{font-size:1.6rem;color:var(--primary);letter-spacing:-.02em}.summary-value.total::after{font-size:1.2rem;content:' USDT'}.payment-title{font-size:1rem;font-weight:700;color:var(--text-primary);margin-bottom:16px;display:flex;align-items:center;gap:8px}.payment-title i{color:var(--primary)}.selected-payment{background:#f0fdf4;border:2px solid var(--success-color);padding:16px 20px;border-radius:16px;display:flex;align-items:center;gap:16px;margin-bottom:22px}.selected-payment .payment-icon{font-size:2rem;color:var(--success-color);margin-bottom:0}.qr-section{text-align:center;padding:24px;margin-bottom:22px}.qr-code{width:200px;height:200px;margin:0 auto 16px;background:#fff;padding:12px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:.9rem;color:var(--text-muted);border:1px solid var(--border-color-2)}.address-section{background:#fff;border:2px solid var(--border-color-2);border-radius:16px;padding:18px;margin-bottom:16px;position:relative;transition:var(--transition)}.address-section:hover{border-color:var(--primary)}.address-label{font-size:.85rem;color:var(--text-tertiary);margin-bottom:8px;display:flex;align-items:center;gap:6px;font-weight:500}.address-label i{color:var(--primary)}.address-value{font-size:.9rem;word-break:break-all;color:var(--text-primary);line-height:1.5;padding-right:40px;width:85%;font-weight:600}.copy-btn{position:absolute;right:14px;top:50%;transform:translateY(-50%);background:var(--primary);color:#fff;border:none;padding:9px 16px;border-radius:30px;font-size:.85rem;cursor:pointer;transition:var(--transition);display:flex;align-items:center;gap:6px;font-weight:600;font-family:inherit}.copy-btn:hover{background:var(--primary-hover);box-shadow:var(--shadow-medium)}.copy-btn.copied{background:var(--success-color)}.btn-confirm{background:linear-gradient(135deg,var(--primary),var(--gradient-secondary));color:#fff;padding:16px 28px;border:none;border-radius:var(--btn-radius);font-size:1rem;cursor:pointer;transition:var(--transition);font-weight:700;width:100%;display:flex;align-items:center;justify-content:center;gap:8px;font-family:inherit;box-shadow:var(--shadow-heavy)}.btn-confirm:hover:not(:disabled){background:linear-gradient(135deg,var(--primary-hover),var(--primary));box-shadow:var(--shadow-heavy-hover)}.btn-confirm:disabled{opacity:.6;cursor:not-allowed}.countdown-section{background:linear-gradient(135deg,#fee2e2,#fecaca);padding:22px;border-radius:18px;margin-bottom:28px;text-align:center}.countdown-title{font-size:.9rem;color:#991b1b;margin-bottom:12px;font-weight:700;display:flex;align-items:center;justify-content:center;gap:6px}.countdown-timer{font-size:2.2rem;font-weight:800;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:.8rem;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:var(--shadow-heavy);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:var(--success-color)}.toast.error{background:#ef4444}.toast.warning{background:linear-gradient(135deg,#fffbeb,#fef3c7)}.toast.info{background:linear-gradient(135deg,#f0e6fc,#e6d4fb)}.toast.info .toast-icon{color:var(--primary)}.toast-icon{margin-right:12px;flex-shrink:0}.toast-content{flex:1}.toast-title{font-weight:700;font-size:.9rem;margin-bottom:2px;color:var(--text-primary)}.toast-message{font-size:.85rem;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 16px 16px;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:var(--primary)}@keyframes progress{0%{transform:scaleX(1)}to{transform:scaleX(0)}}@media (max-width:1024px){.product-grid{grid-template-columns:repeat(2,1fr)}.product-d-detail{gap:36px}.modal-body{gap:24px}}@media (max-width:820px){.product-d-detail{grid-template-columns:1fr;gap:28px}.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}.product-d-title{font-size:1.6rem}.product-d-price{font-size:2rem}.section-title{font-size:1.6rem}.modal-body{padding:20px;display:block;grid-template-columns:none;gap:0}.order-summary{margin-bottom:30px}.product-table-wrap{background:0 0;border-radius:0;border:0;box-shadow:unset}.product-table{min-width:auto}.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:#fff;border:1px solid var(--gray-200);overflow:hidden}.product-table td{display:flex;justify-content:space-between;align-items:center;padding:14px 0;border-radius:0!important;box-shadow:none;border-bottom:1px solid #ececf0}.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 .p-desc{display:none}.product-table td:last-child{border-bottom:none}.product-table tbody tr:hover{background:#fff}.product-table tbody tr:last-child td{border-bottom:1px solid #f2f5f9}}@media (max-width:480px){.container{padding:0 14px}.product-d-title{font-size:1.4rem}.product-d-price{font-size:1.7rem}.spec-label{flex:0 0 120px;font-size:.85rem}.spec-value{font-size:.85rem}.description-d-title{font-size:1.3rem}.modal-content{width:95%;max-height:95vh;margin:10px}.modal-header{padding:20px}.modal-title{font-size:1.2rem}.modal-body{padding:20px}.address-value{font-size:.8rem}.total-amount{font-size:1.6rem}.btn{padding:14px 20px;font-size:.95rem}}