@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap";
:root{--primary:#f5a623;--primary-dark:#e09000;--primary-light:#ffc857;--primary-bg:#fff8ed;--accent:#f44;--accent-dark:#c00;--dark:#1a1a2e;--dark-2:#2d2d44;--gray-900:#111827;--gray-800:#1f2937;--gray-700:#374151;--gray-600:#4b5563;--gray-500:#6b7280;--gray-400:#9ca3af;--gray-300:#d1d5db;--gray-200:#e5e7eb;--gray-100:#f3f4f6;--gray-50:#f9fafb;--white:#fff;--success:#10b981;--warning:#f59e0b;--info:#3b82f6;--shadow-sm:0 1px 2px #0000000d;--shadow:0 1px 3px #0000001a, 0 1px 2px #0000000f;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -2px #0000000d;--shadow-xl:0 20px 25px -5px #0000001a, 0 10px 10px -5px #0000000a;--transition-fast:.15s ease;--transition:.25s ease;--transition-slow:.35s ease;--radius-sm:4px;--radius:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--container-max:1280px;--header-height:140px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}body{color:var(--gray-800);background:var(--gray-50);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.6;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}ul,ol{list-style:none}button{cursor:pointer;background:0 0;border:none;font-family:inherit}input,select,textarea{font-family:inherit;font-size:inherit}.container{max-width:var(--container-max);margin:0 auto;padding:0 16px}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.top-bar{background:var(--dark);color:var(--gray-300);padding:6px 0;font-size:.8rem}.top-bar .container{justify-content:space-between;align-items:center;display:flex}.top-bar-left{align-items:center;gap:20px;display:flex}.top-bar-right{align-items:center;gap:16px;display:flex}.top-bar a{color:var(--gray-300);transition:color var(--transition-fast)}.top-bar a:hover{color:var(--primary)}.top-bar-phone{font-weight:600;color:var(--primary)!important}.header{background:var(--white);box-shadow:var(--shadow);z-index:1000;position:sticky;top:0}.header-main{align-items:center;gap:24px;padding:12px 0;display:flex}.logo{flex-shrink:0}.logo img{width:auto;height:50px}.search-box{flex:1;max-width:600px;position:relative}.search-box input{border:2px solid var(--primary);width:100%;transition:all var(--transition);background:var(--gray-50);border-radius:50px;outline:none;padding:12px 48px 12px 20px;font-size:.95rem}.search-box input:focus{border-color:var(--primary-dark);background:var(--white);box-shadow:0 0 0 3px #f5a62326}.search-box button{background:var(--primary);color:var(--white);width:40px;height:40px;transition:background var(--transition-fast);border-radius:50%;justify-content:center;align-items:center;font-size:1.1rem;display:flex;position:absolute;top:50%;right:4px;transform:translateY(-50%)}.search-box button:hover{background:var(--primary-dark)}.header-actions{align-items:center;gap:20px;display:flex}.header-action-btn{color:var(--gray-600);transition:color var(--transition-fast);flex-direction:column;align-items:center;gap:4px;font-size:.75rem;display:flex;position:relative}.header-action-btn:hover{color:var(--primary)}.header-action-btn .icon{font-size:1.4rem}.header-action-btn .badge{background:var(--accent);color:var(--white);border-radius:50%;justify-content:center;align-items:center;width:18px;height:18px;font-size:.65rem;font-weight:700;display:flex;position:absolute;top:-6px;right:-8px}.hotline-btn{background:var(--accent);color:var(--white);transition:all var(--transition-fast);border-radius:50px;align-items:center;gap:8px;padding:10px 20px;font-size:.9rem;font-weight:600;animation:2s infinite pulse-phone;display:flex}.hotline-btn:hover{background:var(--accent-dark);transform:scale(1.05)}@keyframes pulse-phone{0%,to{box-shadow:0 0 #f446}50%{box-shadow:0 0 0 10px #f440}}.nav{background:var(--primary)}.nav-container{align-items:stretch;display:flex}.nav-categories-btn{background:var(--primary-dark);color:var(--white);cursor:pointer;transition:background var(--transition-fast);align-items:center;gap:10px;min-width:250px;padding:12px 20px;font-size:.95rem;font-weight:600;display:flex}.nav-categories-btn:hover{background:#c97d00}.nav-categories-btn .hamburger{font-size:1.2rem}.nav-links{flex:1;align-items:stretch;display:flex}.nav-links a{color:var(--white);transition:background var(--transition-fast);white-space:nowrap;align-items:center;padding:0 18px;font-size:.9rem;font-weight:500;display:flex}.nav-links a:hover{background:var(--primary-dark)}.category-dropdown{background:var(--white);width:280px;box-shadow:var(--shadow-xl);border-radius:0 0 var(--radius) var(--radius);z-index:999;opacity:0;visibility:hidden;transition:all var(--transition);max-height:80vh;position:absolute;top:100%;left:0;overflow-y:auto;transform:translateY(-10px)}.category-dropdown.active{opacity:1;visibility:visible;transform:translateY(0)}.category-dropdown-item{color:var(--gray-700);transition:all var(--transition-fast);border-bottom:1px solid var(--gray-100);align-items:center;gap:12px;padding:10px 16px;font-size:.9rem;display:flex}.category-dropdown-item:hover{background:var(--primary-bg);color:var(--primary-dark);padding-left:22px}.category-dropdown-item .cat-icon{text-align:center;width:28px;font-size:1.2rem}.category-dropdown-item .cat-count{color:var(--gray-400);background:var(--gray-100);border-radius:10px;margin-left:auto;padding:2px 8px;font-size:.75rem}.hero{padding:20px 0}.hero-wrapper{grid-template-columns:280px 1fr;gap:16px;display:grid}.hero-sidebar{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.hero-sidebar-title{background:var(--primary);color:var(--white);align-items:center;gap:8px;padding:12px 16px;font-size:.95rem;font-weight:600;display:flex}.sidebar-cat-list{padding:4px 0}.sidebar-cat-item{color:var(--gray-700);transition:all var(--transition-fast);cursor:pointer;align-items:center;gap:10px;padding:9px 16px;font-size:.85rem;display:flex}.sidebar-cat-item:hover{background:var(--primary-bg);color:var(--primary-dark);padding-left:22px}.sidebar-cat-item .icon{text-align:center;width:24px;font-size:1.1rem}.hero-slider{border-radius:var(--radius);background:var(--gray-200);min-height:380px;position:relative;overflow:hidden}.hero-slide{opacity:0;width:100%;height:100%;transition:opacity .6s;position:absolute;inset:0}.hero-slide.active{opacity:1}.hero-slide img{object-fit:cover;width:100%;height:100%}.hero-dots{gap:8px;display:flex;position:absolute;bottom:16px;left:50%;transform:translate(-50%)}.hero-dot{cursor:pointer;width:10px;height:10px;transition:all var(--transition-fast);background:#ffffff80;border-radius:50%}.hero-dot.active{background:var(--primary);border-radius:5px;width:28px}.section{padding:30px 0}.section-header{border-bottom:3px solid var(--primary);justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:12px;display:flex}.section-title{color:var(--dark);align-items:center;gap:10px;font-size:1.3rem;font-weight:700;display:flex}.section-title .icon{color:var(--primary)}.section-link{color:var(--primary);transition:color var(--transition-fast);align-items:center;gap:4px;font-size:.9rem;font-weight:600;display:flex}.section-link:hover{color:var(--primary-dark)}.category-grid{grid-template-columns:repeat(6,1fr);gap:16px;display:grid}.category-card{background:var(--white);border-radius:var(--radius);text-align:center;box-shadow:var(--shadow-sm);transition:all var(--transition);cursor:pointer;border:2px solid #0000;padding:20px 12px}.category-card:hover{box-shadow:var(--shadow-lg);border-color:var(--primary);transform:translateY(-4px)}.category-card .cat-img{object-fit:cover;background:var(--primary-bg);border-radius:50%;width:64px;height:64px;margin:0 auto 12px;padding:4px}.category-card .cat-name{color:var(--gray-700);font-size:.85rem;font-weight:600;line-height:1.3}.category-card .cat-count{color:var(--gray-400);margin-top:4px;font-size:.75rem}.product-grid{grid-template-columns:repeat(5,1fr);gap:16px;display:grid}.product-card{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:all var(--transition);cursor:pointer;border:1px solid var(--gray-200);position:relative;overflow:hidden}.product-card:hover{box-shadow:var(--shadow-lg);border-color:var(--primary);transform:translateY(-4px)}.product-card .product-img-wrapper{background:var(--gray-50);padding-top:100%;position:relative;overflow:hidden}.product-card .product-img-wrapper img{object-fit:contain;width:100%;height:100%;transition:transform var(--transition);padding:12px;position:absolute;inset:0}.product-card:hover .product-img-wrapper img{transform:scale(1.08)}.product-card .product-badge{background:var(--accent);color:var(--white);border-radius:var(--radius-sm);z-index:2;padding:3px 8px;font-size:.7rem;font-weight:700;position:absolute;top:8px;left:8px}.product-card .product-info{padding:12px}.product-card .product-brand{color:var(--gray-400);text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px;font-size:.72rem}.product-card .product-name{color:var(--gray-800);-webkit-line-clamp:2;-webkit-box-orient:vertical;min-height:2.4em;margin-bottom:8px;font-size:.85rem;font-weight:600;line-height:1.4;display:-webkit-box;overflow:hidden}.product-card .product-price{color:var(--accent);font-size:1rem;font-weight:700}.product-card .product-price-old{color:var(--gray-400);margin-left:8px;font-size:.8rem;text-decoration:line-through}.product-card .product-actions{opacity:0;transition:all var(--transition);gap:8px;margin-top:8px;display:flex;transform:translateY(8px)}.product-card:hover .product-actions{opacity:1;transform:translateY(0)}.product-card .btn-add-cart{background:var(--primary);color:var(--white);border-radius:var(--radius-sm);transition:background var(--transition-fast);flex:1;padding:8px;font-size:.78rem;font-weight:600}.product-card .btn-add-cart:hover{background:var(--primary-dark)}.product-card .btn-quick-view{background:var(--gray-100);color:var(--gray-600);border-radius:var(--radius-sm);transition:all var(--transition-fast);padding:8px 12px;font-size:.85rem}.product-card .btn-quick-view:hover{background:var(--gray-200)}.features-bar{background:var(--white);border-bottom:1px solid var(--gray-200);padding:24px 0}.features-grid{grid-template-columns:repeat(4,1fr);gap:24px;display:grid}.feature-item{align-items:center;gap:14px;display:flex}.feature-icon{background:var(--primary-bg);width:48px;height:48px;color:var(--primary);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:1.3rem;display:flex}.feature-text h4{color:var(--dark);font-size:.85rem;font-weight:700}.feature-text p{color:var(--gray-500);font-size:.75rem}.footer{background:var(--dark);color:var(--gray-300);padding:48px 0 24px}.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;margin-bottom:36px;display:grid}.footer-col h3{color:var(--white);border-bottom:2px solid var(--primary);margin-bottom:16px;padding-bottom:8px;font-size:1rem;font-weight:700;display:inline-block}.footer-col p{margin-bottom:8px;font-size:.85rem;line-height:1.7}.footer-col a{color:var(--gray-400);transition:color var(--transition-fast);padding:4px 0;font-size:.85rem;display:block}.footer-col a:hover{color:var(--primary);padding-left:6px}.footer-contact-item{align-items:flex-start;gap:10px;margin-bottom:10px;font-size:.85rem;display:flex}.footer-contact-item .icon{color:var(--primary);margin-top:2px;font-size:1rem}.footer-bottom{border-top:1px solid var(--dark-2);text-align:center;color:var(--gray-500);padding-top:20px;font-size:.8rem}.floating-contact{z-index:9999;flex-direction:column;gap:12px;display:flex;position:fixed;bottom:20px;right:20px}.floating-btn{width:52px;height:52px;color:var(--white);box-shadow:var(--shadow-lg);transition:all var(--transition);border-radius:50%;justify-content:center;align-items:center;font-size:1.3rem;display:flex}.floating-btn:hover{transform:scale(1.15)}.floating-btn.phone{background:var(--accent);animation:2s infinite pulse-phone}.floating-btn.zalo{background:#0068ff}.floating-btn.scroll-top{background:var(--primary);opacity:0;visibility:hidden;transition:all var(--transition)}.floating-btn.scroll-top.visible{opacity:1;visibility:visible}.floating-btn.youtube-float{background:red}.youtube-banner{background:var(--gray-50);padding:24px 0}.youtube-banner-link{transition:all var(--transition);border-radius:var(--radius);display:block;overflow:hidden}.youtube-banner-link:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.social-icon{width:40px;height:40px;color:var(--gray-300);transition:all var(--transition-fast);background:#ffffff1a;border-radius:50%;justify-content:center;align-items:center;line-height:0;text-decoration:none;display:inline-flex}.social-icon:hover{background:var(--primary);color:var(--white);transform:translateY(-2px)}.social-icon.youtube:hover{background:red}.category-layout{grid-template-columns:260px 1fr;gap:24px;padding-bottom:40px;display:grid}.sidebar-filter{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);top:calc(var(--header-height) + 20px);align-self:start;padding:20px;position:sticky}.filter-title{color:var(--dark);border-bottom:2px solid var(--primary);margin-bottom:12px;padding-bottom:8px;font-size:.95rem;font-weight:700}.filter-item{color:var(--gray-600);cursor:pointer;transition:color var(--transition-fast);align-items:center;gap:8px;padding:8px 0;font-size:.85rem;display:flex}.filter-item:hover{color:var(--primary)}.filter-item.active{color:var(--primary);font-weight:600}.pagination{justify-content:center;align-items:center;gap:8px;margin-top:32px;display:flex}.page-btn{border-radius:var(--radius-sm);min-width:40px;height:40px;color:var(--gray-600);background:var(--white);border:1px solid var(--gray-300);transition:all var(--transition-fast);cursor:pointer;justify-content:center;align-items:center;font-size:.9rem;font-weight:500;display:flex}.page-btn:hover{border-color:var(--primary);color:var(--primary)}.product-detail{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:32px;padding:32px}.product-detail-grid{grid-template-columns:1fr 1fr;gap:40px;display:grid}.product-gallery{position:relative}.product-gallery-main{border-radius:var(--radius);background:var(--gray-50);margin-bottom:12px;padding:20px;overflow:hidden}.product-gallery-main img{object-fit:contain;width:100%;height:auto}.product-detail-info h1{color:var(--dark);margin-bottom:8px;font-size:1.4rem;font-weight:700;line-height:1.4}.product-detail-sku{color:var(--gray-500);margin-bottom:16px;font-size:.85rem}.product-detail-price{color:var(--accent);border-top:1px solid var(--gray-200);border-bottom:1px solid var(--gray-200);margin-bottom:20px;padding:12px 0;font-size:1.6rem;font-weight:800}.product-detail-specs{margin-bottom:24px}.spec-row{border-bottom:1px solid var(--gray-100);padding:8px 0;font-size:.9rem;display:flex}.spec-label{width:180px;color:var(--gray-500);flex-shrink:0}.spec-value{color:var(--gray-800);font-weight:500}.btn-primary{background:var(--primary);color:var(--white);border-radius:var(--radius);transition:all var(--transition-fast);align-items:center;gap:8px;padding:14px 32px;font-size:1rem;font-weight:600;display:inline-flex}.btn-primary:hover{background:var(--primary-dark);box-shadow:var(--shadow-md);transform:translateY(-2px)}.btn-accent{background:var(--accent);color:var(--white);border-radius:var(--radius);transition:all var(--transition-fast);align-items:center;gap:8px;padding:14px 32px;font-size:1rem;font-weight:600;display:inline-flex}.btn-accent:hover{background:var(--accent-dark);box-shadow:var(--shadow-md);transform:translateY(-2px)}.mobile-menu-toggle{color:var(--gray-700);cursor:pointer;background:0 0;border:none;font-size:1.5rem;display:none}@media (max-width:1024px){.product-grid,.category-grid{grid-template-columns:repeat(4,1fr)}.hero-wrapper{grid-template-columns:1fr}.hero-sidebar{display:none}.footer-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){.top-bar{display:none}.product-grid{grid-template-columns:repeat(2,1fr);gap:10px}.category-grid{grid-template-columns:repeat(3,1fr);gap:10px}.features-grid{grid-template-columns:repeat(2,1fr)}.header-actions{display:none}.mobile-menu-toggle{display:flex}.nav-links{display:none}.nav-categories-btn{flex:1;min-width:auto}.category-layout{grid-template-columns:1fr}.sidebar-filter{position:static}.product-detail-grid{grid-template-columns:1fr}.search-box{max-width:none}}@media (max-width:480px){.product-grid{grid-template-columns:repeat(2,1fr);gap:8px}.category-grid{grid-template-columns:repeat(2,1fr)}.product-card .product-info{padding:8px}.product-card .product-name{font-size:.78rem}.product-card .product-price{font-size:.85rem}.footer-grid{grid-template-columns:1fr}}.loading-skeleton{background:linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);border-radius:var(--radius-sm);background-size:200% 100%;animation:1.5s infinite 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button{background:var(--gray-50);cursor:pointer;width:32px;height:32px;transition:background var(--transition-fast);justify-content:center;align-items:center;display:flex}.qty-control button:hover{background:var(--gray-200)}.qty-control span{text-align:center;width:40px;font-size:.9rem;font-weight:600}.cart-summary{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;position:sticky;top:160px}.cart-summary h3{color:var(--dark);border-bottom:2px solid var(--primary);margin-bottom:20px;padding-bottom:12px;font-size:1.1rem;font-weight:700}.summary-row{color:var(--gray-600);justify-content:space-between;align-items:center;padding:8px 0;font-size:.9rem;display:flex}.summary-row.total{color:var(--dark);padding:12px 0;font-size:1.15rem;font-weight:700}.summary-row.total span:last-child{color:var(--accent)}.summary-divider{background:var(--gray-200);height:1px;margin:8px 0}.btn-outline{border:1px solid var(--gray-300);border-radius:var(--radius-sm);color:var(--gray-600);background:var(--white);cursor:pointer;transition:all var(--transition-fast);padding:8px 16px;font-size:.85rem;font-weight:500}.btn-outline:hover{border-color:var(--gray-500);color:var(--gray-800);background:var(--gray-50)}.btn-accent{background:var(--accent);color:var(--white);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);border:none;align-items:center;gap:8px;padding:12px 24px;font-size:.95rem;font-weight:700;text-decoration:none;display:inline-flex}.btn-accent:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 4px 12px #ff44444d}.btn-accent.added{background:var(--success)}.btn-primary{background:var(--primary);color:var(--white);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);border:none;align-items:center;gap:8px;padding:12px 24px;font-size:.95rem;font-weight:700;text-decoration:none;display:inline-flex}.btn-primary:hover{background:var(--primary-dark)}.btn-add-cart.added{background:var(--success)}.checkout-layout{grid-template-columns:1fr 400px;align-items:flex-start;gap:24px;margin-bottom:40px;display:grid}.checkout-form{flex-direction:column;gap:20px;display:flex}.checkout-section{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.checkout-section-title{color:var(--dark);border-bottom:2px solid var(--primary);align-items:center;gap:10px;margin-bottom:20px;padding-bottom:12px;font-size:1rem;font-weight:700;display:flex}.form-grid{grid-template-columns:1fr 1fr;gap:16px;display:grid}.form-group{flex-direction:column;gap:6px;display:flex}.form-group.full-width{grid-column:1/-1}.form-group label{color:var(--gray-700);font-size:.85rem;font-weight:600}.form-group label .required{color:var(--accent)}.form-group input,.form-group textarea,.form-group select{border:1.5px solid var(--gray-300);border-radius:var(--radius-sm);transition:all var(--transition-fast);background:var(--white);outline:none;padding:10px 14px;font-size:.9rem}.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:var(--primary);box-shadow:0 0 0 3px #f5a6231f}.form-group input.error,.form-group textarea.error{border-color:var(--accent);box-shadow:0 0 0 3px #ff44441a}.form-error{color:var(--accent);font-size:.78rem;font-weight:500}.input-icon-wrapper{position:relative}.input-icon-wrapper .input-icon{color:var(--gray-400);pointer-events:none;position:absolute;top:50%;left:12px;transform:translateY(-50%)}.input-icon-wrapper input,.input-icon-wrapper textarea{width:100%;padding-left:38px}.input-icon-wrapper textarea{resize:vertical}.payment-option{border:2px solid var(--gray-200);border-radius:var(--radius);cursor:pointer;transition:all var(--transition-fast);gap:14px;padding:16px;display:flex}.payment-option.active{border-color:var(--primary);background:var(--primary-bg)}.payment-radio{margin-top:2px}.radio-dot{border:2px solid var(--gray-300);border-radius:50%;width:20px;height:20px;position:relative}.radio-dot.active{border-color:var(--primary)}.radio-dot.active:after{content:"";background:var(--primary);border-radius:50%;width:10px;height:10px;position:absolute;top:3px;left:3px}.payment-label{color:var(--dark);align-items:center;gap:8px;margin-bottom:4px;font-weight:600;display:flex}.payment-desc{color:var(--gray-500);font-size:.85rem;line-height:1.5}.checkout-summary{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;position:sticky;top:160px}.checkout-summary h3{color:var(--dark);border-bottom:2px solid 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