:root{--bg:#f4f7fc;--surface:#fff;--text:#13213c;--muted:#5d6b85;--border:#e1e8f3;--primary:#1456d9;--primary-dark:#0c3fa8;--primary-soft:#eaf1ff;--navy:#0b2a66;--navy-text:#dbe5ff;--price:#d62828;--ok:#1b7f3b;--zalo:#0068ff;--radius:14px;--shadow:0 6px 20px #13326e12;--bottom-nav:64px}*{box-sizing:border-box}body{padding-bottom:calc(var(--bottom-nav) + env(safe-area-inset-bottom));background:var(--bg);color:var(--text);margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:15px;line-height:1.5}body.no-scroll{overflow:hidden}a{color:var(--primary)}h1,h2,h3{line-height:1.25}img{max-width:100%;height:auto}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}.only-desktop{display:none!important}.btn{white-space:nowrap;border:2px solid #0000;border-radius:999px;justify-content:center;align-items:center;gap:8px;padding:12px 22px;font-weight:600;text-decoration:none;display:inline-flex}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-outline{background:var(--surface);border-color:var(--primary);color:var(--primary)}.btn-sm{padding:8px 16px;font-size:.88rem}.icon-btn{background:var(--primary-soft);width:34px;height:34px;color:var(--primary);border-radius:50%;justify-content:center;align-items:center;display:inline-flex}.zalo-badge{background:var(--zalo);color:#fff;border-radius:6px;padding:1px 6px;font-size:.72rem;font-weight:700;display:inline-block}.topbar{background:var(--navy);color:var(--navy-text);font-size:.82rem;display:none}.topbar .container{justify-content:space-between;gap:16px;padding-top:8px;padding-bottom:8px;display:flex}.topbar-info,.topbar-contact{align-items:center;gap:22px;display:flex}.topbar span,.topbar a{color:inherit;align-items:center;gap:6px;text-decoration:none;display:inline-flex}.site-header{z-index:30;background:var(--surface);box-shadow:0 1px 0 var(--border);position:sticky;top:0}.site-header .container{align-items:center;gap:20px;min-height:64px;display:flex}.brand{min-width:0;color:var(--text);align-items:center;gap:10px;text-decoration:none;display:flex}.brand img{flex:none;width:40px;height:40px}.brand span{flex-direction:column;min-width:0;display:flex}.brand strong{color:var(--primary-dark);font-size:1rem;line-height:1.2}.brand small{color:var(--muted);font-size:.75rem}.main-nav,.header-search{display:none}.main-nav{align-items:center;gap:4px}.main-nav>div{position:relative}.main-nav>div>a{color:var(--text);align-items:center;gap:4px;padding:20px 10px;font-weight:500;text-decoration:none;display:inline-flex}.main-nav>div>a:hover{color:var(--primary)}.dropdown{background:var(--surface);border:1px solid var(--border);min-width:220px;box-shadow:var(--shadow);border-radius:12px;padding:8px;display:none;position:absolute;top:100%;left:0}.has-menu:hover .dropdown,.has-menu:focus-within .dropdown{display:block}.dropdown a{color:var(--text);border-radius:8px;padding:8px 12px;text-decoration:none;display:block}.dropdown a:hover{background:var(--primary-soft);color:var(--primary)}.search{background:var(--bg);border:1px solid var(--border);color:var(--muted);border-radius:999px;align-items:center;gap:8px;padding:0 14px;display:flex;position:relative}.search input{width:100%;color:var(--text);font:inherit;background:0 0;border:0;outline:0;padding:11px 0}.search-results{z-index:40;background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:12px;padding:6px;position:absolute;top:calc(100% + 6px);left:0;right:0}.search-results a{color:var(--text);border-radius:8px;justify-content:space-between;gap:12px;padding:9px 10px;text-decoration:none;display:flex}.search-results a:hover{background:var(--primary-soft)}.search-results small{color:var(--muted)}.search-results p{color:var(--muted);margin:8px 10px;font-size:.9rem}.mobile-menu{gap:4px;margin-left:auto;display:flex}.mobile-menu>button{color:var(--text);cursor:pointer;background:0 0;border:0;padding:8px;display:inline-flex}.mobile-search{background:var(--surface);padding:10px 16px 14px;position:absolute;top:100%;left:0;right:0;box-shadow:0 8px 16px #13326e14}.drawer{padding:8px 16px calc(var(--bottom-nav) + 24px);background:var(--surface);position:fixed;inset:64px 0 0;overflow-y:auto}.drawer-link{color:var(--text);padding:14px 0 6px;font-size:1.05rem;font-weight:700;text-decoration:none;display:block}.drawer-sub{color:var(--muted);padding:8px 0 8px 14px;text-decoration:none;display:block}.bottom-nav{z-index:30;height:calc(var(--bottom-nav) + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--surface);box-shadow:0 -1px 0 var(--border);grid-template-columns:repeat(5,1fr);display:grid;position:fixed;bottom:0;left:0;right:0}.bottom-nav a{color:var(--muted);flex-direction:column;justify-content:center;align-items:center;gap:3px;font-size:.7rem;text-decoration:none;display:flex}.bottom-nav a.active{color:var(--primary);font-weight:600}.zalo-float{right:14px;bottom:calc(var(--bottom-nav) + 14px + env(safe-area-inset-bottom));z-index:25;background:var(--zalo);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:52px;height:52px;display:flex;position:fixed;box-shadow:0 6px 18px #0068ff59}.hero{color:#fff;background:linear-gradient(135deg,#0d3a9c 0%,#1456d9 60%,#2f7bff 100%);overflow:hidden}.hero-inner{grid-template-columns:minmax(0,1fr) 44%;grid-template-areas:"title title""points points""actions 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a{white-space:nowrap;align-items:center;gap:4px;font-size:.85rem;text-decoration:none;display:inline-flex}.quick-links{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-top:18px;display:grid}.quick-link{min-width:0;color:var(--text);text-align:center;flex-direction:column;align-items:center;gap:8px;font-size:.8rem;text-decoration:none;display:flex}.quick-link small{display:none}.quick-icon{background:var(--primary-soft);width:56px;height:56px;color:var(--primary);border-radius:50%;justify-content:center;align-items:center;display:flex}.service-grid{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.service-tile{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);color:var(--primary);text-align:center;flex-direction:column;align-items:center;gap:10px;padding:16px 8px;text-decoration:none;display:flex}.service-tile 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8px;font-size:.9rem;font-weight:500}.product-foot{justify-content:space-between;align-items:center;gap:8px;display:flex}.price{color:var(--price);white-space:nowrap;font-weight:700}.stock{color:var(--muted);margin:0 0 6px;font-size:.8rem}.stock-in_stock{color:var(--ok)}.store-card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);gap:14px;margin-bottom:14px;padding:16px;display:grid}.store-info h3{margin:0 0 10px}.store-info p{color:var(--muted);align-items:center;gap:8px;margin:0 0 8px;display:flex}.store-info .btn{margin-top:6px}.store-map{border:0;border-radius:10px;width:100%;height:220px}.branch-picker,.chips{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.branch-picker{margin-bottom:12px}.chip{background:var(--surface);border:1px solid var(--border);color:var(--text);font:inherit;cursor:pointer;border-radius:999px;padding:6px 14px;font-size:.88rem;text-decoration:none}.chip-active{background:var(--primary);border-color:var(--primary);color:#fff}.price-filters{gap:10px;margin-bottom:8px;display:grid}.price-filters input{background:var(--surface);border:1px solid var(--border);width:100%;font:inherit;border-radius:999px;padding:12px 16px}.price-group{scroll-margin-top:90px}.price-group h2{margin:24px 0 10px;font-size:1.1rem}.price-group table{border-collapse:collapse;background:var(--surface);border-radius:var(--radius);width:100%;box-shadow:var(--shadow);overflow:hidden}.price-group th,.price-group td{border-bottom:1px solid var(--border);text-align:left;vertical-align:top;padding:11px 14px}.price-group tr:last-child td{border-bottom:0}.price-group th{background:var(--primary-soft);color:var(--primary-dark);font-size:.82rem}.price-group td small{color:var(--muted);display:block}.notice{background:var(--primary-soft);border-radius:var(--radius);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px 16px;margin-bottom:8px;padding:12px 16px;display:flex}.notice p{color:var(--primary-dark);margin:0;font-size:.92rem}.note,.empty{color:var(--muted);font-size:.9rem}.note{margin-top:20px}.site-footer{background:var(--navy);color:var(--navy-text);margin-top:40px;padding-top:28px;font-size:.88rem}.site-footer .brand strong{color:#fff}.site-footer .brand small{color:var(--navy-text)}.footer-grid{gap:22px;display:grid}.footer-grid h4{color:#fff;margin:0 0 10px}.footer-grid a{color:var(--navy-text);padding:3px 0;text-decoration:none;display:block}.footer-grid p{margin:10px 0 0}.footer-grid p span{display:block}.footer-social{align-items:center;gap:12px;display:flex}.footer-social a{display:inline-flex}.footer-bottom{border-top:1px solid #fff2;margin-top:24px;padding-top:14px;padding-bottom:16px;font-size:.8rem}@media (min-width:900px){body{padding-bottom:0}.only-mobile,.mobile-menu,.bottom-nav{display:none!important}.only-desktop{display:grid!important}.topbar{display:block}.main-nav{display:flex}.header-search{flex:1;max-width:320px;margin-left:auto;display:block}.site-header .container{min-height:76px}.brand img{width:48px;height:48px}.brand strong{font-size:1.25rem}.zalo-float{bottom:24px}.hero{color:var(--text);background:linear-gradient(120deg,#eaf2ff 0%,#f6f9ff 55%,#dfeaff 100%)}.hero-inner{grid-template:"title visual""points visual""actions visual"1fr/1.05fr 1fr;align-items:start;column-gap:32px;padding-top:48px;padding-bottom:48px}.hero h1{font-size:2.7rem}.hero h1 span{color:var(--primary)}.hero-points{gap:12px 24px;max-width:460px;font-size:1rem}.hero-points svg{color:var(--primary)}.hero-actions{flex-direction:row}.hero-visual{align-self:center;margin-right:0}.quick-links{gap:16px;margin-top:-28px}.quick-link{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);text-align:left;flex-direction:row;gap:14px;padding:16px;font-size:.95rem;position:relative}.quick-link span:last-child{flex-direction:column;min-width:0;display:flex}.quick-link small{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;font-size:.8rem;display:block;overflow:hidden}.section{margin-top:40px}.section h2{font-size:1.4rem}.feature-row{grid-template-columns:1fr 1fr 1.1fr;gap:16px}.feature-card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);gap:18px;padding:20px;display:flex}.feature-art{background:linear-gradient(160deg, var(--primary-soft), #f7f9fd);width:110px;color:var(--primary);border-radius:12px;flex:none;justify-content:center;align-items:center;display:flex}.feature-card h3{margin:0 0 10px;font-size:1.05rem}.feature-card ul{margin:0 0 12px;padding:0;list-style:none}.feature-card li a{color:var(--muted);align-items:center;gap:8px;padding:4px 0;font-size:.9rem;text-decoration:none;display:flex}.feature-card li a:hover{color:var(--primary)}.feature-card .more{align-items:center;gap:4px;font-size:.85rem;text-decoration:none;display:inline-flex}.feature-card.promo{background:linear-gradient(135deg, var(--primary-soft), #dbe8ff);justify-content:space-between}.promo h3{color:var(--primary-dark);font-size:1.3rem}.promo h3 span{display:block}.promo p{color:var(--muted);margin:0 0 14px;font-size:.9rem}.promo-art{color:var(--primary);align-items:center;display:flex}.product-grid,.product-grid.scroll-mobile{grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:16px;margin:0;padding:0;display:grid;overflow:visible}.store-card{grid-template-columns:1fr 1.6fr;align-items:center;padding:20px}.store-map{height:260px}.page h1{margin-top:32px;font-size:1.9rem}.footer-grid{grid-template-columns:1.4fr 1fr 1.4fr 1fr;gap:32px}}