:root{--navy: #131921;--navy-light: #232f3e;--orange: #febd69;--orange-dark: #e8a034;--blue-link: #007185;--price-red: #b12704;--bg: #eaeded;--card-bg: #ffffff;--border: #e3e6e6;--text: #0f1111;--text-muted: #565959}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}a{text-decoration:none;color:inherit}button{font-family:inherit;cursor:pointer}.app-shell{min-height:100vh;display:flex;flex-direction:column}.site-header{background:var(--navy);color:#fff}.site-header-top{display:flex;align-items:center;gap:16px;padding:10px 20px;max-width:1400px;margin:0 auto}.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:22px;white-space:nowrap;color:#fff}.logo-img{height:40px;width:40px;object-fit:cover;border-radius:6px}.logo-text{display:flex;flex-direction:column}.logo-main{line-height:1.1}.logo-sub{display:block;color:var(--orange);font-size:11px;font-weight:500;letter-spacing:.3px}.search-bar{flex:1;display:flex;max-width:700px;border-radius:4px;overflow:hidden}.search-bar input{flex:1;border:none;padding:10px 12px;font-size:14px;outline:none}.search-bar button{background:var(--orange);border:none;padding:0 16px;font-size:16px}.search-bar button:hover{background:var(--orange-dark)}.header-right{display:flex;align-items:center;gap:18px}.header-account{display:flex;flex-direction:column;font-size:12px;line-height:1.3;cursor:pointer;color:#fff}.header-account-name{font-weight:700;font-size:13px}.header-account-logout{background:none;border:none;color:var(--orange);font-size:13px;font-weight:700;padding:0;text-align:left;cursor:pointer}.cart-button{background:transparent;border:none;color:#fff;display:flex;align-items:center;gap:6px;position:relative;font-size:14px;font-weight:600;padding:6px;border-radius:4px}.cart-button:hover{outline:1px solid #fff}.cart-icon{font-size:26px}.cart-count{position:absolute;top:-6px;left:14px;background:var(--orange);color:var(--navy);font-size:12px;font-weight:800;border-radius:50%;min-width:18px;height:18px;display:flex;align-items:center;justify-content:center;padding:0 3px}.site-header-nav{background:var(--navy-light);display:flex;align-items:center;gap:20px;padding:8px 20px;font-size:14px;max-width:1400px;margin:0 auto}.site-header-nav a:hover{outline:1px solid #fff}.nav-hotline{margin-left:auto;color:var(--orange);font-weight:600}.hero{position:relative;height:380px;overflow:hidden;background:#000}.hero-video{width:100%;height:100%;object-fit:cover;opacity:.55}.hero-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:#fff;padding:0 20px;text-shadow:0 2px 8px rgba(0,0,0,.6)}.hero-overlay h1{font-size:34px;margin:0 0 12px;max-width:700px}.hero-overlay p{font-size:16px;margin:0 0 20px}.strip-banner{background:#fff;display:flex;justify-content:center;gap:40px;padding:12px 20px;font-size:13px;color:var(--text-muted);border-bottom:1px solid var(--border);flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:8px;padding:10px 18px;font-size:14px;font-weight:600;cursor:pointer}.btn-primary{background:var(--orange);border-color:var(--orange-dark);color:#111}.btn-primary:hover{background:var(--orange-dark)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background:#f0f2f2;border-color:#d5d9d9;color:#111}.btn-secondary:hover{background:#e3e6e6}.btn-large{padding:12px 20px;font-size:15px;width:100%;margin-top:8px}.product-section{max-width:1400px;margin:30px auto;padding:0 20px}.product-section h2,.related-section h2{font-size:22px;margin-bottom:16px}.product-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px;align-items:stretch}.product-layout{display:grid;grid-template-columns:220px 1fr;gap:24px;align-items:start}.product-layout-main{min-width:0}.filter-sidebar{background:#fff;border:1px solid var(--border);border-radius:8px;padding:16px;position:sticky;top:16px}.filter-sidebar-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.filter-sidebar-header h3{font-size:16px;margin:0}.filter-clear{background:none;border:none;color:var(--blue-link);font-size:12px;text-decoration:underline}.filter-group{padding:12px 0;border-top:1px solid var(--border)}.filter-group:first-of-type{border-top:none}.filter-group h4{font-size:13px;margin:0 0 8px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.4px}.filter-option{display:flex;align-items:center;gap:6px;font-size:14px;padding:4px 0;cursor:pointer}.filter-sizes{display:flex;flex-wrap:wrap;gap:6px}.filter-price{display:flex;align-items:center;gap:6px}.filter-price input{width:0;flex:1;border:1px solid var(--border);border-radius:6px;padding:6px 8px;font-size:13px}@media (max-width: 900px){.product-layout{grid-template-columns:1fr}.filter-sidebar{position:static}}.product-card{background:var(--card-bg);border:1px solid var(--border);border-radius:8px;overflow:hidden;display:flex;flex-direction:column;height:100%;transition:box-shadow .15s ease}.product-card:hover{box-shadow:0 4px 14px #0000001f}.product-card-image{position:relative;width:100%;padding-top:133.33%;background:#f6f6f6;overflow:hidden;flex-shrink:0}.product-card-image img{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover;object-position:top}.badge-discount{position:absolute;top:8px;left:8px;background:var(--price-red);color:#fff;font-size:12px;font-weight:700;padding:3px 7px;border-radius:4px}.product-card-body{padding:12px;display:flex;flex-direction:column;gap:6px;flex:1}.product-card-title{font-size:14px;font-weight:500;line-height:1.35;margin:0;color:var(--blue-link);display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.7em}.stars{color:var(--orange-dark);font-size:13px}.stars-count{color:var(--blue-link);margin-left:4px}.product-card-price{display:flex;align-items:baseline;gap:8px}.price-now{color:var(--price-red);font-size:18px;font-weight:700}.price-old{color:var(--text-muted);text-decoration:line-through;font-size:13px}.product-card-meta{font-size:12px;color:var(--text-muted);margin-top:auto;padding-top:4px}.empty-search{color:var(--text-muted)}.page-product{max-width:1200px;margin:20px auto;padding:0 20px;flex:1;width:100%}.breadcrumb{font-size:13px;color:var(--text-muted);margin-bottom:16px}.breadcrumb a{color:var(--blue-link)}.product-detail{display:grid;grid-template-columns:minmax(280px,420px) 1fr;gap:32px;background:var(--card-bg);border:1px solid var(--border);border-radius:8px;padding:24px}.product-media-main{aspect-ratio:3 / 4;background:#f6f6f6;border-radius:8px;overflow:hidden;display:flex}.product-media-main img,.product-media-main .product-video{width:100%;height:100%;object-fit:cover}.product-media-thumbs{display:flex;gap:10px;margin-top:10px}.thumb{width:64px;height:64px;border:2px solid var(--border);border-radius:6px;overflow:hidden;background:#f6f6f6;padding:0;font-size:11px}.thumb img{width:100%;height:100%;object-fit:cover}.thumb-active{border-color:var(--orange)}.product-info-title-row{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.product-info h1{font-size:24px;margin:0 0 8px}.share-button{flex-shrink:0;background:#f0f2f2;border:1px solid var(--border);border-radius:6px;padding:6px 12px;font-size:13px;font-weight:600;white-space:nowrap}.share-button:hover{background:#e3e6e6}.product-info-sold{font-size:13px;color:var(--text-muted);margin:6px 0 12px}.product-info-price{display:flex;align-items:center;gap:12px;padding:14px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);margin-bottom:14px}.product-info-price .price-now{font-size:26px}.product-info-desc{color:var(--text);line-height:1.6;margin-bottom:12px}.product-info-highlights{margin:0 0 18px;padding-left:18px;color:var(--text-muted);line-height:1.8}.product-option{display:flex;align-items:center;gap:12px;margin-bottom:14px}.product-option-label{font-weight:600;min-width:90px}.size-options{display:flex;gap:8px}.size-btn{border:1px solid var(--border);background:#fff;padding:6px 14px;border-radius:6px;font-size:14px}.size-btn-active{border-color:var(--orange-dark);background:var(--orange);font-weight:700}.qty-stepper{display:flex;align-items:center;border:1px solid var(--border);border-radius:6px;overflow:hidden}.qty-stepper button{background:#f0f2f2;border:none;width:30px;height:30px;font-size:16px}.qty-stepper span{min-width:32px;text-align:center;font-weight:600}.product-stock{font-size:13px;color:var(--text-muted)}.product-actions{display:flex;gap:12px;margin-top:20px}.product-actions .btn{flex:1;margin-top:0}.related-section{margin:36px 0}.page-not-found{max-width:600px;margin:60px auto;text-align:center}.cart-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;opacity:0;pointer-events:none;transition:opacity .25s ease;z-index:40}.cart-overlay-visible{opacity:1;pointer-events:auto}.cart-drawer{position:fixed;top:0;right:0;height:100vh;width:380px;max-width:92vw;background:#fff;box-shadow:-4px 0 20px #0003;transform:translate(100%);transition:transform .28s 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solid var(--border)}.cart-line img{width:56px;height:56px;object-fit:cover;border-radius:6px}.cart-line-info{flex:1}.cart-line-name{font-size:13px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.cart-line-size{font-size:12px;color:var(--text-muted);margin:2px 0 6px}.cart-line-qty{display:flex;align-items:center;gap:6px}.cart-line-qty button{width:24px;height:24px;border:1px solid var(--border);background:#f0f2f2;border-radius:4px}.cart-line-remove{margin-left:auto;background:none;border:none;color:var(--blue-link);font-size:12px;text-decoration:underline}.cart-line-price{font-size:13px;font-weight:700;white-space:nowrap}.cart-drawer-footer{padding:14px 18px 20px;border-top:1px solid var(--border)}.cart-drawer-total{display:flex;justify-content:space-between;font-size:14px;margin-bottom:10px}.cart-drawer-footer .btn{width:100%;margin-top:8px}.page-cart{max-width:1100px;margin:24px auto;padding:0 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var(--border);border-radius:8px;margin-bottom:16px}.payment-bank-info{text-align:left;background:#f7f7f8;border-radius:8px;padding:14px;display:flex;flex-direction:column;gap:8px;margin-bottom:14px}.payment-bank-info div{display:flex;justify-content:space-between;font-size:14px;gap:12px}.payment-bank-info span{color:var(--text-muted)}.payment-note{font-size:12px;color:var(--text-muted);margin-bottom:16px;line-height:1.5}.page-admin{max-width:1000px;margin:24px auto;padding:0 20px;flex:1;width:100%}.admin-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.admin-table-wrap{background:#fff;border:1px solid var(--border);border-radius:8px;overflow-x:auto}.admin-table{width:100%;border-collapse:collapse;font-size:14px}.admin-table th,.admin-table td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--border);white-space:nowrap}.admin-thumb{width:44px;height:44px;object-fit:cover;border-radius:6px}.admin-actions{display:flex;align-items:center;gap:12px}.admin-actions a,.admin-actions button{font:inherit;font-weight:600;line-height:1;padding:0;margin:0;border:none;background:none;cursor:pointer;vertical-align:middle}.admin-actions a{color:var(--blue-link)}.admin-actions button{color:var(--price-red)}.admin-form{background:#fff;border:1px solid var(--border);border-radius:8px;padding:22px;display:flex;flex-direction:column;gap:16px;max-width:640px}.admin-form label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600;color:var(--text-muted)}.admin-form input,.admin-form textarea{border:1px solid var(--border);border-radius:6px;padding:9px 10px;font-size:14px;color:var(--text);font-family:inherit}.admin-form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.admin-upload{border:1px dashed var(--border);border-radius:6px;padding:10px}.admin-preview{width:140px;height:180px;object-fit:cover;border-radius:6px;border:1px solid var(--border)}@media (max-width: 600px){.admin-form-row{grid-template-columns:1fr}}.chat-widget{position:fixed;right:20px;bottom:20px;z-index:60;display:flex;flex-direction:column;align-items:flex-end;gap:12px}.chat-fab{width:56px;height:56px;border-radius:50%;border:none;background:var(--orange);color:#111;font-size:24px;box-shadow:0 4px 14px #00000040}.chat-fab:hover{background:var(--orange-dark)}.chat-panel{width:340px;max-width:88vw;height:460px;max-height:70vh;background:#fff;border-radius:12px;box-shadow:0 8px 30px #00000040;display:flex;flex-direction:column;overflow:hidden}.chat-panel-header{background:var(--navy);color:#fff;padding:12px 14px;display:flex;align-items:center;justify-content:space-between;font-weight:600}.chat-panel-header button{background:none;border:none;color:#fff;font-size:14px}.chat-panel-back{margin-right:auto;font-size:16px!important}.chat-launcher{width:280px;max-width:85vw;background:#fff;border-radius:12px;box-shadow:0 8px 30px #00000040;padding:14px;display:flex;flex-direction:column;gap:10px}.chat-launcher-title{font-weight:700;font-size:14px;color:var(--text);padding:0 2px 2px}.chat-launcher-option{display:flex;align-items:center;gap:12px;border:1px solid var(--border);background:#fafafa;border-radius:8px;padding:10px 12px;text-align:left;cursor:pointer}.chat-launcher-option:hover{background:#f0f2f2;border-color:var(--orange-dark)}.chat-launcher-icon{font-size:22px}.chat-launcher-option strong{display:block;font-size:13px;color:var(--text)}.chat-launcher-option small{display:block;font-size:11px;color:var(--text-muted)}.chat-panel-messages{flex:1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:8px;background:#f7f7f8}.chat-bubble{max-width:85%;padding:8px 12px;border-radius:12px;font-size:13px;line-height:1.5;white-space:pre-wrap}.chat-bubble-assistant{align-self:flex-start;background:#fff;border:1px solid var(--border);color:var(--text)}.chat-bubble-user{align-self:flex-end;background:var(--orange);color:#111}.chat-typing{color:var(--text-muted);font-style:italic}.chat-panel-input{display:flex;border-top:1px solid var(--border)}.chat-panel-input input{flex:1;border:none;padding:10px 12px;font-size:13px;outline:none}.chat-panel-input button{border:none;background:var(--navy);color:#fff;padding:0 16px;font-weight:600;font-size:13px}.chat-panel-input button:disabled{opacity:.5}