:root{--black:#0b0b0d;--ink:#17171b;--muted:#6f7178;--line:#e5e5e8;--soft:#f5f5f7;--lime:#c8ff3d;--blue:#2764ff;--font:'Be Vietnam Pro',system-ui,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;font-family:var(--font);color:var(--ink);background:#fff;-webkit-font-smoothing:antialiased;overflow-x:hidden}button,input,textarea{font:inherit}a{color:inherit}.announcement{height:38px;background:var(--black);color:#ddd;display:flex;align-items:center;justify-content:center;gap:18px;font-size:12px;overflow:hidden}.announcement i{width:3px;height:3px;border-radius:50%;background:#777}.announcement a{color:var(--lime);text-decoration:none}.header{height:78px;padding:0 max(24px,calc((100vw - 1240px)/2));display:flex;align-items:center;justify-content:space-between;gap:28px;border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(255,255,255,.92);backdrop-filter:blur(18px);z-index:30}.brand{display:flex;align-items:center;gap:10px;text-decoration:none}.brand>b{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:var(--black);color:var(--lime);font-size:15px;letter-spacing:-1px}.brand>span{font-weight:800;line-height:1;font-size:16px;letter-spacing:-.4px}.brand small{display:block;font-size:9px;letter-spacing:3px;margin-top:5px}.header nav{display:flex;gap:32px}.header nav a{text-decoration:none;font-size:14px;font-weight:600}.header nav a:hover{color:var(--blue)}.header-actions{display:flex;gap:8px}.icon-btn,.cart-btn{border:1px solid var(--line);background:#fff;height:42px;border-radius:99px;cursor:pointer}.icon-btn{width:42px;font-size:23px}.cart-btn{padding:0 8px 0 18px;font-weight:700}.cart-btn b{display:inline-grid;place-items:center;width:27px;height:27px;border-radius:50%;background:var(--black);color:#fff;margin-left:8px}.hero{min-height:720px;background:var(--soft);display:grid;grid-template-columns:1fr 1fr;overflow:hidden}.hero-copy{padding:110px max(24px,calc((100vw - 1240px)/2)) 90px;padding-right:50px}.kicker{font-size:11px;letter-spacing:2px;font-weight:800;color:var(--blue)}.hero h1{font-size:clamp(48px,5.2vw,76px);line-height:1.02;letter-spacing:-4px;margin:20px 0 24px}.hero h1 em{font-style:normal;color:var(--blue)}.hero-copy>p{font-size:18px;line-height:1.7;color:var(--muted);max-width:620px}.hero-actions,.store-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:99px;padding:15px 24px;text-decoration:none;border:1px solid transparent;font-weight:700;cursor:pointer}.btn.primary{background:var(--black);color:#fff}.btn.primary:hover{background:var(--blue)}.btn.secondary{border-color:#b9bbc1;background:transparent}.btn.secondary:hover{background:#fff}.btn.secondary.dark{border-color:#555;color:#fff}.trust{display:flex;flex-wrap:wrap;gap:20px;margin-top:44px;color:#555;font-size:13px}.trust b{color:var(--blue)}.hero-visual{position:relative;background:linear-gradient(145deg,#19191e,#08080a);display:grid;place-items:center}.hero-visual img{position:relative;width:min(76%,660px);height:590px;object-fit:contain;filter:drop-shadow(0 32px 46px rgba(0,0,0,.55));z-index:2}.orb{position:absolute;width:66%;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle at 35% 30%,#ffd7af,#ad7044 42%,#1b1718 70%);filter:blur(1px);opacity:.8}.hero-note{position:absolute;left:42px;bottom:36px;color:#fff;display:grid;z-index:3}.hero-note small{font-size:10px;letter-spacing:1.8px;color:#aaa}.hero-note b{font-size:22px;margin:5px 0}.hero-note span{font-size:12px;color:#bbb}.benefits{max-width:1240px;margin:-1px auto 0;display:grid;grid-template-columns:repeat(3,1fr);border-left:1px solid var(--line)}.benefits article{display:flex;gap:18px;padding:30px 24px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.benefits article>b{font-size:11px;color:var(--blue)}.benefits article div{display:grid}.benefits strong{font-size:14px}.benefits span{font-size:12px;color:var(--muted);margin-top:5px}.section{max-width:1240px;margin:auto;padding:100px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:42px}.section-head h2,.compare h2,.store h2{font-size:clamp(34px,4vw,52px);line-height:1.12;letter-spacing:-2.3px;margin:12px 0 0}.section-head>p{max-width:400px;color:var(--muted);font-size:14px;line-height:1.7}.catalog-tools{display:flex;justify-content:space-between;gap:18px;margin-bottom:28px}.filters{display:flex;gap:8px;flex-wrap:wrap}.filters button{border:1px solid var(--line);border-radius:99px;background:#fff;padding:10px 18px;cursor:pointer;font-weight:600;font-size:13px}.filters button.active{background:var(--black);color:#fff;border-color:var(--black)}.search{height:42px;border:1px solid var(--line);border-radius:99px;display:flex;align-items:center;gap:8px;padding:0 14px}.search input{border:0;outline:0;width:190px}.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.product{background:var(--soft);border-radius:20px;padding:16px;position:relative;overflow:hidden;display:flex;flex-direction:column;min-height:470px}.product-media{height:280px;display:grid;place-items:center}.product-media img{width:100%;height:100%;object-fit:contain;transition:transform .35s}.product:hover img{transform:scale(1.04)}.badge{position:absolute;left:16px;top:16px;border-radius:99px;padding:7px 11px;background:#fff;font-size:10px;font-weight:800}.badge.hot{background:var(--lime)}.product-info{background:#fff;border-radius:14px;padding:17px;margin-top:auto}.product-info small{color:var(--muted);font-size:10px;letter-spacing:1px}.product-info h3{font-size:17px;margin:7px 0 5px}.product-info p{font-size:12px;color:var(--muted);margin:0;min-height:38px}.product-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:14px}.price{display:grid}.price span{font-size:10px;color:var(--muted)}.price b{font-size:16px}.add{width:40px;height:40px;border:0;border-radius:50%;background:var(--black);color:#fff;font-size:22px;cursor:pointer}.add:hover{background:var(--blue)}.empty-state{text-align:center;padding:60px;background:var(--soft);border-radius:18px}.compare{max-width:none;background:var(--black);color:#fff;padding-left:max(24px,calc((100vw - 1240px)/2));padding-right:max(24px,calc((100vw - 1240px)/2));display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:center}.compare-copy p{color:#aaa;line-height:1.7}.text-link{border:0;background:none;color:var(--lime);font-weight:700;padding:0;cursor:pointer}.compare-cards{display:grid;grid-template-columns:1fr 42px 1fr;align-items:center}.compare-cards article{background:#1a1a1e;border:1px solid #2c2c31;border-radius:24px;padding:24px;text-align:center}.compare-cards img{height:250px;width:100%;object-fit:contain}.compare-cards b,.compare-cards span{display:block}.compare-cards span{color:#999;font-size:12px;margin-top:5px}.vs{text-align:center;font-size:11px;color:#777}.step-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.step-grid article{padding:30px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-height:210px}.step-grid article>b{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--lime);font-size:13px}.step-grid h3{margin-top:42px}.step-grid p{color:var(--muted);font-size:13px}.store{max-width:none;background:#2764ff;color:#fff;padding-left:max(24px,calc((100vw - 1240px)/2));padding-right:max(24px,calc((100vw - 1240px)/2));display:grid;grid-template-columns:1fr 1fr;gap:70px}.store .kicker{color:var(--lime)}.store>div>p{color:#d6e1ff;max-width:620px}.store dl{margin:34px 0;display:grid;gap:18px}.store dl div{display:grid;grid-template-columns:150px 1fr;border-bottom:1px solid rgba(255,255,255,.18);padding-bottom:14px}.store dt{font-size:11px;color:#b8ccff;text-transform:uppercase;letter-spacing:1px}.store dd{margin:0}.store aside{display:grid;place-items:center}.store-card{width:min(430px,100%);aspect-ratio:1.5;background:#0b0b0d;border-radius:28px;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:0 30px 60px rgba(0,0,0,.3)}.store-card span{color:var(--lime);font-size:56px;font-weight:800}.store-card b{font-size:24px}.store-card small{color:#888;letter-spacing:2px;margin-top:8px}body>footer{background:#0b0b0d;color:#aaa;display:grid;grid-template-columns:1fr 1.4fr 1fr;gap:30px;align-items:center;padding:44px max(24px,calc((100vw - 1240px)/2))}.brand.light{color:#fff}.brand.light>b{background:#fff;color:#111}body>footer p{font-size:12px;text-align:center}body>footer>div{display:flex;justify-content:flex-end;gap:18px}body>footer>div a{font-size:12px;color:#fff}.zalo-float{position:fixed;right:22px;bottom:22px;z-index:25;background:#0068ff;color:#fff;border-radius:99px;text-decoration:none;padding:8px 16px 8px 8px;display:flex;align-items:center;gap:8px;box-shadow:0 12px 35px rgba(0,48,160,.3)}.zalo-float span{width:32px;height:32px;background:#fff;color:#06f;display:grid;place-items:center;border-radius:50%;font-weight:800}.zalo-float b{font-size:12px}.overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:40;opacity:0;pointer-events:none;transition:.25s}.overlay.on{opacity:1;pointer-events:auto}.cart-drawer{position:fixed;right:0;top:0;bottom:0;width:min(440px,100%);background:#fff;z-index:41;transform:translateX(100%);transition:.3s;display:flex;flex-direction:column}.cart-drawer.on{transform:none}.cart-drawer>header{display:flex;justify-content:space-between;padding:26px;border-bottom:1px solid var(--line)}.cart-drawer h2{margin:3px 0}.close{border:0;background:#eee;width:40px;height:40px;border-radius:50%;font-size:24px;cursor:pointer}.cart-items{padding:20px;display:grid;gap:12px;overflow:auto}.cart-item{display:grid;grid-template-columns:74px 1fr 32px;gap:12px;align-items:center;border:1px solid var(--line);padding:10px;border-radius:14px}.cart-item img{width:74px;height:74px;object-fit:contain;background:var(--soft);border-radius:10px}.cart-item b,.cart-item small{display:block}.cart-item small{color:var(--muted);margin-top:4px}.cart-item button{border:0;background:none;font-size:20px;cursor:pointer}.cart-empty{margin:auto;text-align:center;padding:30px;display:grid;gap:8px}.cart-empty span{font-size:13px;color:var(--muted)}.cart-drawer>footer{margin-top:auto;padding:24px;border-top:1px solid var(--line)}.cart-drawer>footer>div{display:flex;justify-content:space-between;margin-bottom:16px}.cart-drawer>footer>small{display:block;text-align:center;color:var(--muted);font-size:10px;margin-top:10px}.full{width:100%}dialog{border:0;border-radius:22px;padding:32px;width:min(500px,calc(100% - 32px));box-shadow:0 30px 90px rgba(0,0,0,.3)}dialog::backdrop{background:rgba(0,0,0,.6)}dialog h2{font-size:30px;margin:8px 0}dialog>p{color:var(--muted);font-size:13px}.dialog-close{position:absolute;right:18px;top:18px}dialog form{display:grid;gap:15px;margin-top:22px}dialog label{display:grid;gap:6px;font-size:12px;font-weight:700}dialog input,dialog textarea{border:1px solid var(--line);border-radius:10px;padding:12px;outline:0}dialog input:focus,dialog textarea:focus{border-color:var(--blue)}.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,30px);background:#111;color:#fff;border-radius:99px;padding:12px 18px;font-size:12px;opacity:0;pointer-events:none;z-index:60;transition:.3s}.toast.on{opacity:1;transform:translate(-50%,0)}
@media(max-width:1000px){.header nav{display:none}.hero{grid-template-columns:1fr;min-height:0}.hero-copy{padding:80px 24px}.hero-visual{min-height:600px}.benefits{margin:0 24px}.section{padding:76px 24px}.product-grid{grid-template-columns:repeat(2,1fr)}.compare,.store{grid-template-columns:1fr}.step-grid{grid-template-columns:1fr 1fr}body>footer{grid-template-columns:1fr;text-align:center}body>footer>div{justify-content:center}.brand.light{justify-content:center}}
@media(max-width:620px){.announcement{gap:10px;font-size:10px;padding:0 10px;white-space:nowrap}.announcement span:nth-of-type(2),.announcement i{display:none}.header{height:68px;padding:0 16px}.brand>span{font-size:14px}.brand>b{width:38px;height:38px}.icon-btn{display:none}.hero-copy{padding:66px 20px}.hero h1{font-size:45px;letter-spacing:-2.6px}.hero-copy>p{font-size:15px}.hero-visual{min-height:480px}.hero-visual img{height:420px}.hero-note{left:20px;bottom:20px}.benefits{margin:0;grid-template-columns:1fr}.section{padding:66px 20px}.section-head{display:block}.section-head>p{margin-top:18px}.catalog-tools{display:block}.search{margin-top:14px}.search input{width:100%}.product-grid{grid-template-columns:1fr}.product{min-height:450px}.compare{padding:70px 20px;gap:36px}.compare-cards{grid-template-columns:1fr}.compare-cards .vs{padding:10px}.compare-cards img{height:210px}.step-grid{grid-template-columns:1fr}.store{padding:70px 20px}.store dl div{grid-template-columns:1fr;gap:4px}.zalo-float b{display:none}.zalo-float{padding-right:8px}body>footer{padding:42px 20px}}
/* Cấu trúc thương mại điện tử theo hệ thống Điện Máy Giá OK */
.announcement{justify-content:space-between;padding:0 max(24px,calc((100vw - 1240px)/2))}.announcement>div{display:flex;gap:22px}.announcement>div a{color:#ddd}.announcement>div a:last-child{color:var(--lime)}
.header{display:grid;grid-template-columns:210px 170px minmax(280px,1fr) 130px 150px;height:86px}.header-hotline,.header-contact{display:flex;align-items:center;gap:10px;text-decoration:none}.header-hotline>span,.header-contact>span{display:grid;place-items:center;width:36px;height:36px;border:1px solid var(--line);border-radius:50%;font-weight:800}.header-hotline small,.header-hotline b,.header-contact small,.header-contact b{display:block}.header-hotline small,.header-contact small,.cart-btn small{font-size:10px;color:var(--muted);font-weight:500}.header-hotline b,.header-contact b{font-size:12px}.header-search,.mobile-search label{height:46px;border:2px solid var(--black);border-radius:99px;display:flex;overflow:hidden;background:#fff}.header-search input,.mobile-search input{min-width:0;flex:1;border:0;outline:0;padding:0 18px}.header-search button,.mobile-search button{width:50px;border:0;background:var(--black);color:#fff;font-size:22px;cursor:pointer}.cart-btn{height:48px;border-radius:12px;padding:0 12px;display:flex;align-items:center;justify-content:center;gap:10px;background:var(--soft)}.cart-btn>span{font-size:22px}.cart-btn>div{text-align:left}.cart-btn b{display:block;background:none;color:var(--ink);width:auto;height:auto;margin:0;font-size:11px}.cart-btn i{font-style:normal}.mobile-search{display:none}.category-nav{height:46px;background:#fff;border-bottom:1px solid var(--line)}.category-nav>div{max-width:1240px;margin:auto;height:100%;display:flex;align-items:center;gap:28px}.category-nav a,.category-nav button{height:100%;display:flex;align-items:center;border:0;background:none;text-decoration:none;font-size:12px;font-weight:700;cursor:pointer}.category-nav button{background:var(--black);color:#fff;padding:0 20px}.category-nav a:hover{color:var(--blue)}
.benefits{max-width:1240px;grid-template-columns:repeat(4,1fr);margin:18px auto}.benefits article{border-top:1px solid var(--line);align-items:center}.benefits article>b{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--soft);font-size:15px;color:var(--blue);flex:none}
.retail-hero{max-width:1240px;margin:0 auto 36px;display:grid;grid-template-columns:minmax(0,2fr) minmax(280px,.82fr);gap:16px}.retail-hero .hero{min-height:540px;border-radius:18px;overflow:hidden}.retail-hero .hero-copy{padding:65px 44px}.retail-hero .hero h1{font-size:clamp(44px,4.6vw,66px)}.retail-hero .hero-visual img{height:460px}.retail-hero .hero-note{left:22px;bottom:22px}.side-promos{display:grid;grid-template-rows:1fr 1fr;gap:16px}.promo-card{border-radius:18px;padding:30px;display:flex;justify-content:space-between;align-items:center;overflow:hidden}.promo-card small{font-size:10px;font-weight:800;letter-spacing:1.2px}.promo-card h2{font-size:25px;line-height:1.15;margin:12px 0 20px}.promo-card a{font-size:12px;font-weight:800}.promo-card>span{font-size:64px;opacity:.45}.promo-blue{background:#2764ff;color:#fff}.promo-green{background:var(--lime);color:#111}
.quick-cats{padding-top:56px;padding-bottom:50px}.commerce-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:26px}.commerce-heading>div>span{font-size:10px;letter-spacing:1.6px;font-weight:800;color:var(--blue)}.commerce-heading h2{font-size:34px;letter-spacing:-1.5px;margin:6px 0 0}.commerce-heading>a{font-size:12px;font-weight:800}.commerce-heading>p{max-width:410px;color:var(--muted);font-size:13px}.quick-cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.quick-cat-grid button{border:1px solid var(--line);background:#fff;border-radius:16px;padding:24px;text-align:left;cursor:pointer;transition:.2s}.quick-cat-grid button:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(0,0,0,.08)}.quick-cat-grid span{display:grid;place-items:center;width:48px;height:48px;border-radius:14px;background:var(--soft);font-size:24px}.quick-cat-grid b,.quick-cat-grid small{display:block}.quick-cat-grid b{font-size:16px;margin-top:18px}.quick-cat-grid small{font-size:11px;color:var(--muted);margin-top:5px}
.catalog.section{padding-top:54px}.product-info h3{cursor:pointer}.product-media{cursor:pointer}.product-dialog{width:min(860px,calc(100% - 28px));padding:28px}.product-detail{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}.product-detail__media{background:var(--soft);border-radius:18px;padding:25px;min-height:430px;display:grid;place-items:center}.product-detail__media img{width:100%;height:380px;object-fit:contain}.product-detail h2{font-size:34px;line-height:1.15;margin:10px 0}.product-detail__price{font-size:24px;font-weight:800;margin:20px 0}.product-detail ul{padding-left:20px;color:var(--muted);font-size:13px}.product-detail .btn{margin-top:10px}
@media(max-width:1100px){.header{grid-template-columns:200px 1fr 130px}.header-hotline,.header-contact{display:none}.category-nav>div{padding:0 20px;overflow:auto}.retail-hero{margin:0 20px 30px;grid-template-columns:1fr}.side-promos{grid-template-columns:1fr 1fr;grid-template-rows:auto}.benefits{margin:18px 20px}.quick-cats{padding-top:44px}}
@media(max-width:700px){.announcement>span{display:none}.announcement{justify-content:center}.announcement>div a:not(:last-child){display:none}.header{grid-template-columns:1fr auto;height:68px;padding:0 16px}.header-search{display:none}.cart-btn{width:52px;padding:0}.cart-btn>div{display:none}.mobile-search{display:block;padding:10px 16px;border-bottom:1px solid var(--line);background:#fff}.mobile-search label{height:42px}.category-nav{height:42px;overflow:hidden}.category-nav>div{padding:0 16px;gap:20px}.category-nav button{padding:0 14px;white-space:nowrap}.category-nav a{white-space:nowrap}.benefits{grid-template-columns:1fr 1fr;margin:12px 16px}.benefits article{padding:16px 12px}.benefits article div span{display:none}.retail-hero{margin:0 16px 24px}.retail-hero .hero{grid-template-columns:1fr;min-height:0}.retail-hero .hero-copy{padding:50px 22px}.retail-hero .hero-visual{min-height:430px}.side-promos{grid-template-columns:1fr}.promo-card{min-height:190px}.quick-cat-grid{grid-template-columns:1fr 1fr}.commerce-heading{display:block}.commerce-heading>p{margin-top:14px}.product-detail{grid-template-columns:1fr}.product-detail__media{min-height:300px}.product-detail__media img{height:260px}}
.nav-flash{color:#ff3b30!important}.flash-sale{padding-top:62px;padding-bottom:62px}.flash-header{background:var(--black);color:#fff;border-radius:18px 18px 0 0;padding:22px 26px;display:flex;align-items:center;justify-content:space-between;gap:24px}.flash-title{display:flex;align-items:center;gap:14px}.flash-title>span{width:44px;height:44px;border-radius:12px;background:var(--lime);color:#111;display:grid;place-items:center;font-size:24px}.flash-title small{font-size:9px;letter-spacing:1.5px;color:#aaa}.flash-title h2{font-size:30px;margin:2px 0 0;letter-spacing:-1px}.flash-status{display:grid;text-align:right}.flash-status span{color:var(--lime);font-size:12px;font-weight:800}.flash-status small{color:#999;font-size:10px;margin-top:4px}.flash-note{background:#efffd0;border:1px solid #d5f28c;border-top:0;padding:13px 22px;display:flex;justify-content:space-between;gap:16px;font-size:11px}.flash-note span{color:#5e674b}.flash-sale>.flash-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;background:#f0f1f3;padding:18px;border-radius:0 0 18px 18px}.flash-card{position:relative;background:#fff;border-radius:15px;padding:16px;display:grid;grid-template-columns:45% 55%;min-height:300px;overflow:hidden}.flash-badge{position:absolute;top:13px;left:13px;background:var(--lime);border-radius:99px;padding:6px 9px;font-size:8px;font-weight:800;z-index:2}.flash-media{border:0;background:var(--soft);border-radius:12px;margin:0;padding:14px;cursor:pointer}.flash-media img{width:100%;height:225px;object-fit:contain}.flash-card>div:last-child{padding:40px 8px 6px 16px;display:flex;flex-direction:column;align-items:flex-start}.flash-card small{font-size:8px;letter-spacing:1px;color:var(--muted)}.flash-card h3{font-size:15px;line-height:1.35;margin:8px 0}.flash-card p{font-size:10px;color:var(--muted);margin:0}.flash-price{display:flex;align-items:center;gap:8px;margin-top:auto}.flash-price b{font-size:17px}.flash-price del{font-size:10px;color:#999}.flash-buy{width:100%;border:0;border-radius:9px;background:var(--black);color:#fff;padding:11px;margin-top:13px;font-size:11px;font-weight:800;cursor:pointer}.flash-buy:hover{background:var(--blue)}.flash-card--bundle{background:linear-gradient(145deg,#fff,#f6ffe1)}.bundle-media{align-self:stretch!important;padding:20px 5px!important;display:grid!important;grid-template-columns:1fr!important;place-items:center}.bundle-media img{width:100%;height:100px;object-fit:contain}.bundle-media b{color:var(--blue)}.flash-disclaimer{font-size:10px;color:var(--muted);text-align:center;margin:13px 0 0}
@media(max-width:1000px){.flash-sale>.flash-grid{grid-template-columns:1fr 1fr}.flash-card--bundle{grid-column:span 2}}
@media(max-width:650px){.flash-sale{padding:48px 16px}.flash-header{align-items:flex-start}.flash-status small{display:none}.flash-note{display:grid}.flash-sale>.flash-grid{grid-template-columns:1fr;padding:12px}.flash-card--bundle{grid-column:auto}.flash-card{grid-template-columns:42% 58%;min-height:270px}.flash-media img{height:200px}.flash-title h2{font-size:24px}.flash-title small{display:none}}

/* Hoàn thiện hành trình mua và so sánh */
.quick-cat-grid--five{grid-template-columns:repeat(5,1fr)}
.needs{padding-top:38px;padding-bottom:48px}.needs-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.needs-grid button{border:1px solid var(--line);border-radius:18px;background:linear-gradient(145deg,#fff,#f7f8fa);padding:22px;text-align:left;cursor:pointer;transition:.2s}.needs-grid button:hover,.needs-grid button.active{border-color:var(--blue);box-shadow:0 12px 34px rgba(39,100,255,.11);transform:translateY(-2px)}.needs-grid button.active{background:#edf3ff}.needs-grid span{display:grid;place-items:center;width:44px;height:44px;border-radius:13px;background:var(--black);color:var(--lime);font-size:20px}.needs-grid b,.needs-grid small{display:block}.needs-grid b{margin-top:18px}.needs-grid small{margin-top:5px;color:var(--muted);line-height:1.5}
.product .compare-toggle{position:absolute;right:14px;top:14px;z-index:3;border:1px solid var(--line);border-radius:99px;background:rgba(255,255,255,.94);padding:6px 9px;font-size:9px;font-weight:800;cursor:pointer}.product .compare-toggle.selected{background:var(--blue);border-color:var(--blue);color:#fff}.product-info>del{display:block;color:#999;font-size:11px;margin-top:8px}.detail-specs{display:grid;grid-template-columns:repeat(2,1fr);gap:7px;margin:15px 0}.detail-specs div{display:grid;gap:3px;background:var(--soft);border-radius:10px;padding:10px}.detail-specs span{font-size:9px;color:var(--muted);text-transform:uppercase}.detail-specs b{font-size:12px}.detail-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.assurance{padding-top:62px;padding-bottom:62px}.assurance-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:20px;overflow:hidden}.assurance-grid article{padding:28px;border-right:1px solid var(--line)}.assurance-grid article:last-child{border:0}.assurance-grid span{font-size:11px;color:var(--blue);font-weight:800}.assurance-grid h3{margin:28px 0 8px;font-size:17px}.assurance-grid p{margin:0;color:var(--muted);font-size:12px;line-height:1.65}
.faq{padding-top:58px}.faq-list{max-width:880px}.faq-list details{border-top:1px solid var(--line);padding:0}.faq-list details:last-child{border-bottom:1px solid var(--line)}.faq-list summary{list-style:none;display:flex;justify-content:space-between;gap:20px;padding:21px 4px;font-weight:700;cursor:pointer}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary b{font-size:19px}.faq-list details[open] summary b{transform:rotate(45deg)}.faq-list p{margin:-6px 0 22px;color:var(--muted);font-size:13px;line-height:1.75;max-width:760px}
.compare-bar{position:fixed;left:50%;bottom:24px;z-index:35;width:min(850px,calc(100% - 40px));transform:translate(-50%,130%);visibility:hidden;opacity:0;pointer-events:none;background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px 14px;box-shadow:0 18px 55px rgba(0,0,0,.2);display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:10px;transition:.3s}.compare-bar.on{transform:translate(-50%,0);visibility:visible;opacity:1;pointer-events:auto}.compare-bar>div{display:grid;min-width:0}.compare-bar>div b{font-size:12px}.compare-bar>div span{font-size:10px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.compare-bar i{font-style:normal}.compare-dialog{width:min(1040px,calc(100% - 24px));padding:30px}.compare-table-wrap{overflow:auto;margin:20px 0}.compare-table{width:100%;min-width:680px;border-collapse:collapse}.compare-table th,.compare-table td{border:1px solid var(--line);padding:12px;text-align:left;font-size:12px}.compare-table thead th{vertical-align:bottom;min-width:170px}.compare-table thead th:first-child{min-width:110px}.compare-table thead img{width:100%;height:140px;object-fit:contain;background:var(--soft);border-radius:10px;display:block;margin-bottom:8px}.compare-table thead b{display:block}.compare-table thead button{border:0;background:none;color:var(--blue);padding:5px 0;cursor:pointer;font-size:10px}.compare-table tbody th{background:var(--soft)}
.mobile-bottom{display:none}
@media(max-width:1000px){.quick-cat-grid--five{grid-template-columns:repeat(3,1fr)}.needs-grid,.assurance-grid{grid-template-columns:1fr 1fr}.assurance-grid article:nth-child(2){border-right:0}.assurance-grid article:nth-child(-n+2){border-bottom:1px solid var(--line)}}
@media(max-width:700px){body{padding-bottom:66px}.quick-cat-grid--five{grid-template-columns:1fr 1fr}.needs-grid{grid-template-columns:1fr 1fr}.needs-grid button{padding:16px}.needs-grid b{font-size:13px;margin-top:12px}.needs-grid small{font-size:10px}.assurance-grid{grid-template-columns:1fr}.assurance-grid article,.assurance-grid article:nth-child(2){border-right:0;border-bottom:1px solid var(--line)}.assurance-grid article:last-child{border-bottom:0}.detail-actions{grid-template-columns:1fr}.compare-bar{bottom:76px;grid-template-columns:1fr auto;padding:10px}.compare-bar>div{grid-column:1/-1}.compare-bar .btn{padding:10px 14px;font-size:11px}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:34;height:62px;background:#fff;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a,.mobile-bottom button{position:relative;border:0;background:#fff;text-decoration:none;display:grid;place-items:center;align-content:center;gap:2px;font-size:9px;color:var(--ink)}.mobile-bottom span{font-size:18px;font-weight:800}.mobile-bottom i{position:absolute;top:6px;right:22%;display:grid;place-items:center;width:16px;height:16px;border-radius:50%;background:var(--blue);color:#fff;font-size:8px;font-style:normal}.zalo-float{bottom:74px}.faq-list summary{font-size:13px}}

/* Giá, trang sản phẩm và thanh toán */
.price-draft-note{margin:18px 0 22px;border:1px solid #e5d49a;background:#fff9e8;border-radius:14px;padding:14px 16px;display:flex;align-items:flex-start;gap:14px;font-size:11px;line-height:1.6}.price-draft-note b{white-space:nowrap;color:#7a5900}.price-draft-note span{color:#6d6143}.product-info h3 a{text-decoration:none}.product-info h3 a:hover{color:var(--blue)}.card-actions{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:14px}.card-actions a,.card-actions button{border:1px solid var(--line);border-radius:9px;padding:9px 6px;text-align:center;background:#fff;text-decoration:none;font-size:9px;font-weight:800;cursor:pointer}.card-actions button{background:var(--black);color:#fff;border-color:var(--black)}.checkout-link{text-decoration:none;text-align:center}.checkout-link.disabled{opacity:.45;pointer-events:none}.commerce-page{background:#f6f7f9}.commerce-page .header{position:relative}.back-home{font-size:12px;font-weight:700;text-decoration:none}.product-page{max-width:1240px;margin:auto;padding:24px 24px 70px}.page-loading{text-align:center;padding:100px}.breadcrumbs{display:flex;gap:9px;align-items:center;margin:8px 0 24px;font-size:11px;color:var(--muted)}.breadcrumbs a{text-decoration:none}.breadcrumbs b{color:var(--ink)}.pdp-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(380px,.95fr);gap:24px}.pdp-gallery,.pdp-info,.pdp-description,.product-policy{background:#fff;border:1px solid var(--line);border-radius:22px}.pdp-gallery{min-height:620px;padding:30px;position:relative;display:grid;place-items:center}.pdp-gallery>img{width:90%;height:460px;object-fit:contain}.pdp-badge{position:absolute;left:24px;top:24px;background:var(--lime);border-radius:99px;padding:8px 13px;font-size:10px;font-weight:800}.pdp-thumb{position:absolute;bottom:22px;left:24px;width:72px;height:72px;border:2px solid var(--blue);border-radius:12px;padding:6px}.pdp-thumb img{width:100%;height:100%;object-fit:contain}.pdp-info{padding:34px}.pdp-info>small,.pdp-description>div>span{font-size:10px;letter-spacing:1.4px;color:var(--blue);font-weight:800}.pdp-info h1{font-size:34px;line-height:1.2;letter-spacing:-1.3px;margin:10px 0}.pdp-variant{color:var(--muted);font-size:13px;line-height:1.6}.pdp-rating{display:flex;gap:12px;align-items:center;border-bottom:1px solid var(--line);padding:12px 0 18px;font-size:10px}.pdp-rating b{color:#f0a000}.pdp-rating span{color:var(--muted)}.pdp-price{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:22px 0}.pdp-price strong{font-size:30px}.pdp-price del{color:#999;font-size:13px}.pdp-price i{font-style:normal;color:#e72828;background:#fff0f0;padding:4px 7px;border-radius:6px;font-size:10px;font-weight:800}.pdp-price small{width:100%;color:#8b6811;font-size:10px}.promo-box{border:1px solid #e6d18a;background:#fffaf0;border-radius:14px;overflow:hidden}.promo-box header{background:#fff0bd;padding:12px 15px;font-size:12px;font-weight:800}.promo-box ul{list-style:none;padding:12px 15px;margin:0;display:grid;gap:10px}.promo-box li{font-size:11px}.promo-box li b{color:#1c9a51;margin-right:9px}.pdp-specs{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin:18px 0}.pdp-specs div{background:var(--soft);border-radius:10px;padding:11px;display:grid;gap:4px}.pdp-specs span{font-size:9px;color:var(--muted)}.pdp-specs b{font-size:11px}.pdp-actions{display:grid;grid-template-columns:1.15fr .85fr;gap:9px}.pdp-actions .btn{font-size:13px;padding:16px}.pdp-zalo{display:block;text-align:center;margin-top:10px;border:1px solid #2bb673;color:#087b45;border-radius:10px;padding:12px;text-decoration:none;font-size:11px;font-weight:800}.pdp-description{margin-top:24px;padding:34px;display:grid;grid-template-columns:1fr 330px;gap:40px}.pdp-description h2{margin:8px 0 18px}.pdp-description ul{padding-left:18px;color:var(--muted);font-size:13px;line-height:2}.pdp-description aside{background:var(--black);color:#fff;padding:24px;border-radius:16px}.pdp-description aside p{font-size:11px;line-height:1.7;color:#bbb}.pdp-description aside a{color:var(--lime);font-size:12px;font-weight:800}.product-policy{max-width:1240px;margin:0 auto 70px;padding:24px;display:grid;grid-template-columns:repeat(3,1fr)}.product-policy article{display:flex;gap:13px;align-items:center;padding:4px 20px;border-right:1px solid var(--line)}.product-policy article:last-child{border:0}.product-policy article>b{width:38px;height:38px;border-radius:11px;background:var(--black);color:var(--lime);display:grid;place-items:center}.product-policy strong,.product-policy span{display:block}.product-policy strong{font-size:12px}.product-policy span{font-size:10px;color:var(--muted);margin-top:3px}
.checkout-header{height:82px;background:#fff;border-bottom:1px solid var(--line);display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 max(22px,calc((100vw - 1180px)/2));gap:30px}.checkout-header>div{display:flex;align-items:center;gap:10px;font-size:10px}.checkout-header>div i{width:35px;height:1px;background:#ccc}.checkout-header>div span{color:var(--muted)}.checkout-header>a:last-child{text-align:right;text-decoration:none;font-size:11px}.checkout-shell{max-width:1180px;margin:35px auto 80px;padding:0 20px;display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:24px;align-items:start}.checkout-form>h1{font-size:34px;margin:18px 0 7px}.checkout-form>p{font-size:12px;color:var(--muted);margin-bottom:24px}.checkout-card,.order-summary{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;margin-bottom:14px}.checkout-card h2,.order-summary h2{font-size:17px;margin:0 0 18px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-grid .full{grid-column:1/-1}.checkout-card label{display:grid;gap:7px;font-size:10px;font-weight:700}.checkout-card input,.checkout-card textarea{border:1px solid #d7d9dd;border-radius:10px;padding:12px;width:100%;outline:none}.checkout-card input:focus,.checkout-card textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(39,100,255,.1)}.option-grid,.payment-options{display:grid;grid-template-columns:1fr 1fr;gap:10px}.payment-options{grid-template-columns:1fr}.select-option{position:relative!important;display:grid!important;grid-template-columns:auto auto 1fr!important;align-items:center;gap:10px!important;border:1px solid var(--line);border-radius:12px;padding:14px;cursor:pointer}.select-option:has(input:checked){border-color:var(--blue);background:#f2f6ff}.select-option input{width:auto!important;accent-color:var(--blue)}.select-option>span{font-size:20px}.select-option b,.select-option small{display:block}.select-option b{font-size:11px}.select-option small{color:var(--muted);font-size:9px;margin-top:3px}.order-summary{position:sticky;top:20px;margin:0}.summary-item{position:relative;display:grid;grid-template-columns:62px 1fr auto;gap:10px;align-items:center;border-bottom:1px solid var(--line);padding:13px 24px 13px 0}.summary-item img{width:62px;height:62px;object-fit:contain;background:var(--soft);border-radius:10px}.summary-item b,.summary-item small,.summary-item em{display:block}.summary-item b{font-size:11px}.summary-item small{font-size:9px;color:var(--muted);margin-top:4px}.summary-item em{font-size:8px;color:#9a6b00;font-style:normal;margin-top:4px}.summary-item strong{font-size:11px}.summary-item button{position:absolute;right:0;top:7px;border:0;background:none;color:#999;cursor:pointer}.summary-empty{padding:28px;text-align:center}.summary-empty b,.summary-empty a{display:block;font-size:11px}.summary-empty a{color:var(--blue);margin-top:8px}.order-summary dl{margin:18px 0}.order-summary dl div{display:flex;justify-content:space-between;padding:7px 0;font-size:11px}.summary-total{border-top:1px solid var(--line);margin-top:8px;padding-top:16px!important;font-weight:800}.summary-total dd{font-size:18px}.checkout-price-note{background:#fff8df;padding:10px;border-radius:9px;font-size:9px;line-height:1.6;color:#6d5b20}.order-summary>small{display:block;text-align:center;color:var(--muted);font-size:8px;margin-top:9px}.success-dialog{width:min(520px,calc(100% - 28px));border:0;border-radius:22px;padding:34px;text-align:center}.success-dialog::backdrop{background:rgba(0,0,0,.65)}.success-icon{width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:#e8fbe9;color:#16833c;font-size:28px;margin:auto}.success-dialog>span{display:block;color:#16833c;font-weight:800;font-size:10px;letter-spacing:1px;margin-top:14px}.success-dialog h2{font-size:27px;margin:8px}.success-dialog p{font-size:12px;color:var(--muted);line-height:1.7}.success-dialog>div:last-child{display:flex;gap:8px;justify-content:center}.success-dialog .btn{text-decoration:none;font-size:11px}
@media(max-width:900px){.pdp-grid,.checkout-shell{grid-template-columns:1fr}.pdp-gallery{min-height:470px}.pdp-gallery>img{height:340px}.pdp-description{grid-template-columns:1fr}.checkout-header{grid-template-columns:1fr auto}.checkout-header>div{display:none}.order-summary{position:relative;top:0;grid-row:1}.checkout-form{grid-row:2}}
@media(max-width:650px){.price-draft-note{display:grid}.product-page{padding:14px 14px 45px}.pdp-gallery{min-height:390px;padding:18px}.pdp-gallery>img{height:285px}.pdp-info{padding:22px}.pdp-info h1{font-size:27px}.pdp-actions{grid-template-columns:1fr}.pdp-description{padding:22px}.product-policy{margin:0 14px 50px;grid-template-columns:1fr}.product-policy article{border-right:0;border-bottom:1px solid var(--line);padding:14px}.checkout-header{height:68px;padding:0 15px}.checkout-header>a:last-child{font-size:9px}.checkout-shell{margin:20px auto 50px;padding:0 12px}.form-grid,.option-grid{grid-template-columns:1fr}.form-grid .full{grid-column:auto}.checkout-card,.order-summary{padding:18px}.success-dialog>div:last-child{display:grid}.commerce-page footer{margin-bottom:0}}
.store-map{width:100%;height:230px;border:0;border-radius:18px;margin-bottom:14px;background:#e8eaf0}
.store dl dd a{word-break:break-all}

/* Messenger */
.messenger-float{position:fixed;right:22px;bottom:78px;z-index:25;background:linear-gradient(135deg,#00b2ff,#7a3cff 60%,#ff4f9a);color:#fff;border-radius:99px;text-decoration:none;padding:8px 16px 8px 8px;display:flex;align-items:center;gap:8px;box-shadow:0 12px 35px rgba(100,50,220,.32);font-weight:800;font-size:13px}
.messenger-float span{width:32px;height:32px;border-radius:50%;background:#fff;color:#7a3cff;display:grid;place-items:center;font-weight:900}
.header-contact--msg span{background:linear-gradient(135deg,#00b2ff,#7a3cff 60%,#ff4f9a)!important;color:#fff!important}
.pdp-messenger{margin-top:8px;background:#f1ecff!important;color:#5a2bd6!important}
@media(max-width:700px){.messenger-float{display:none}.mobile-bottom{grid-template-columns:repeat(5,1fr)!important}}
@media(max-width:980px){.header-contact--msg{display:none}}

/* ===================== GIAO DIỆN v3: dịu mắt, chuyên nghiệp, ít mảng trắng ===================== */
:root{--page:#e6e9ee;--panel:#f2f4f7;--card:#f7f8fa;--line:#d5dae3;--soft:#e9ecf1;--ink:#12151b;--muted:#5d6572;--navy:#0f1722;--navy2:#172233}
body{background:var(--page);color:var(--ink)}
/* thanh trên cùng: tông than chì */
.announcement{background:#090c11}
.header{background:rgba(15,23,34,.96)!important;border-bottom:1px solid #243044;backdrop-filter:blur(14px)}
.header .brand,.header .brand span,.header .brand small,.header a,.header small,.header b,.header span{color:#e8ecf3}
.header .brand>b{background:var(--lime);color:#0b0b0d}
.header small{color:#93a0b4}
.header-search,.header-search input{background:#1a2535!important;color:#e8ecf3;border-color:#2f3d54!important}
.header-search input::placeholder{color:#8593a8}
.header-search button{background:var(--lime)!important;color:#0b0b0d!important}
.header-contact span,.cart-btn span,.icon-btn{background:#223049!important;color:#e8ecf3!important;border-color:#2f3d54!important}
.cart-btn{background:#1a2535!important;border-color:#2f3d54!important}
.header-contact--msg span{background:linear-gradient(135deg,#00b2ff,#7a3cff 60%,#ff4f9a)!important}
.category-nav{background:var(--navy2)!important;border-bottom:1px solid #243044!important}
.category-nav a,.category-nav button{color:#cbd4e2}
.category-nav a:hover{color:#fff}
.category-nav .nav-flash{color:#ff6b57}
.category-nav>div>button:first-child{background:var(--lime)!important;color:#0b0b0d!important}
/* bố cục gọn hơn */
.section{padding:52px 0!important}
.hero{min-height:560px!important;background:linear-gradient(120deg,#dfe4ec,#eef0f4)!important}
main>*:first-child{margin-top:0}
.benefits{background:var(--panel)!important;border:1px solid var(--line)!important}
.benefits article{background:transparent!important;border-color:var(--line)!important}
.benefits article>b{background:#dfe4ec!important}
/* các khối nội dung thành "bảng" nền dịu */
.quick-cats,.needs,.steps,.assurance,.faq,.catalog,.compare{background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:32px 30px!important;margin:26px auto!important}
.quick-cat-grid button,.needs-grid button,.steps article,.assurance article,.faq details{background:var(--card)!important;border:1px solid var(--line)!important;box-shadow:none!important}
.quick-cat-grid span{background:#dfe4ec!important}
.commerce-heading h2,.section h2{color:var(--ink)}
.commerce-heading>div>span{color:#2a5bd7}
/* sản phẩm */
.product-grid{gap:16px;grid-template-columns:repeat(4,1fr)}
.product{background:var(--card)!important;border:1px solid var(--line)!important;border-radius:16px;box-shadow:0 1px 0 rgba(18,21,27,.04);transition:transform .15s,box-shadow .15s,border-color .15s}
.product:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(18,28,45,.14);border-color:#b9c2d1!important}
.product-media{height:210px!important;background:radial-gradient(circle at 50% 35%,#f4f6f9,#d9dee7);border-radius:14px 14px 0 0;padding:14px}
.product-info{background:transparent!important;padding:14px 16px 16px!important}
.product-info h3{font-size:15px;line-height:1.35}
.product-info small{color:#6c7585}
.product-info p{font-size:12px;color:#5d6572}
.product .price b{font-size:17px;color:#0d1f4a}
.product .price span{color:#6c7585}
.badge{background:#0f1722!important;color:#fff!important;border-radius:99px}
.badge.hot{background:var(--lime)!important;color:#0b0b0d!important}
.product .compare-toggle{background:rgba(247,248,250,.9)!important;border:1px solid var(--line)!important}
.card-actions a,.card-actions button{background:#e9ecf1!important;border:1px solid var(--line)!important;color:var(--ink)}
.card-actions button{background:#0f1722!important;color:#fff!important}
.filters button{background:#e9ecf1!important;border-color:var(--line)!important}
.filters button.active{background:#0f1722!important;color:#fff!important}
.header-search.inline,#productSearch{background:#e9ecf1!important}
.price-notice,.notice{background:#e7edf9!important;border-color:#c5d3ee!important}
/* flash sale */
.flash-card{background:var(--card)!important;border-color:var(--line)!important}
.flash-media{background:radial-gradient(circle at 50% 40%,#f4f6f9,#d9dee7)!important}
.flash-note{background:#e3ecc9!important}
/* so sánh / modal / giỏ */
.cart-drawer,.compare-bar,.checkout-card,.order-summary,.pdp-gallery,.pdp-info,.pdp-description,.product-policy{background:var(--panel)!important}
.pdp-specs div,.detail-specs div,.compare-table tbody th{background:#e4e8ee!important}
/* nút xem thêm */
.load-more{display:flex;justify-content:center;margin:22px 0 4px}
.load-more button{border:1px solid #0f1722;background:#0f1722;color:#fff;border-radius:99px;padding:13px 28px;font-weight:700;font-size:14px;cursor:pointer;font-family:inherit;transition:transform .15s,background .15s}
.load-more button:hover{transform:translateY(-1px);background:#1d2b44}
/* chân trang & mobile */
.mobile-bottom,.mobile-bottom a,.mobile-bottom button{background:var(--navy2)!important;color:#d6deea!important;border-color:#243044!important}
@media(max-width:1000px){.product-grid{grid-template-columns:repeat(2,1fr)}.quick-cats,.needs,.steps,.assurance,.faq,.catalog,.compare{padding:22px 16px!important;border-radius:16px}}
@media(max-width:560px){.product-grid{grid-template-columns:1fr 1fr;gap:10px}.product-media{height:160px!important}.section{padding:36px 0!important}}
/* chỉnh sau khi kiểm tra */
.header{grid-template-columns:200px 150px minmax(220px,1fr) 125px 125px 140px!important;gap:14px!important}
@media(max-width:1180px){.header{grid-template-columns:190px minmax(200px,1fr) 125px 140px!important}.header>.header-contact--msg,.header>a[href^="tel:"]{display:none!important}}
.flash-header h2,.flash-header small,.flash-title h2{color:#fff!important}
.flash-header small{color:#a9b5c8!important}
.store h2,.store .kicker,.store p,.store dt,.store dd,.store dd a{color:#fff!important}
.store dt{opacity:.7}
.store-map{background:#cfd6e3;filter:saturate(.9) contrast(.98)}
.compare h2,.compare .kicker{color:#fff}

/* ===== UX v4: tham khảo TopZone / Apple Store VN: chip cấu hình, giảm giá %, lọc giá, sắp xếp ===== */
.catalog-tools2{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;margin:-4px 0 18px}
.price-chips{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.price-chips>span,.sort>span{font-size:12px;color:var(--muted);font-weight:700;margin-right:2px}
.price-chips button{border:1px solid var(--line);background:#e9ecf1;color:var(--ink);border-radius:99px;padding:8px 14px;font-size:13px;font-weight:600;cursor:pointer;font-family:inherit;transition:.15s}
.price-chips button:hover{border-color:#8a96aa}
.price-chips button.active{background:#0f1722;color:#fff;border-color:#0f1722}
.sort{display:flex;align-items:center;gap:8px}
.sort select{border:1px solid var(--line);background:#e9ecf1;border-radius:10px;padding:9px 12px;font:600 13px inherit;color:var(--ink)}
.chips{list-style:none;margin:8px 0 2px;padding:0;display:flex;flex-wrap:wrap;gap:5px}
.chips li{background:#e3e8f0;color:#2b3547;border-radius:6px;padding:3px 7px;font-size:11px;font-weight:600}
.product .was{display:flex;align-items:center;gap:8px;margin-top:8px}
.product .was del{font-size:12px;color:#8a93a3}
.product .off{font-style:normal;background:#e5352b;color:#fff;border-radius:5px;padding:2px 6px;font-size:11px;font-weight:800}
.product .inst{font-size:11px;color:#2a6a46;background:#e1f1e8;border-radius:6px;padding:5px 8px;margin:10px 0 0;font-weight:600;text-align:center}
.product-info h3 a{text-decoration:none}
/* trang chi tiết */
.pdp-switch{margin:14px 0 4px}
.pdp-switch>b{display:block;font-size:13px;margin-bottom:8px}
.pdp-switch>div{display:flex;flex-wrap:wrap;gap:8px}
.pdp-switch a{display:grid;gap:2px;border:1.5px solid var(--line);background:#eef0f4;border-radius:12px;padding:10px 12px;text-decoration:none;color:var(--ink);min-width:150px;transition:.15s}
.pdp-switch a span{font-size:12px;font-weight:700}
.pdp-switch a small{font-size:13px;color:#0d1f4a;font-weight:800}
.pdp-switch a:hover{border-color:#7f8da6}
.pdp-switch a.on{border-color:#0f1722;background:#fff;box-shadow:0 0 0 2px #0f172214}
.pdp-trust{list-style:none;margin:16px 0 4px;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:8px}
.pdp-trust li{display:flex;align-items:center;gap:8px;background:#e9ecf1;border:1px solid var(--line);border-radius:10px;padding:9px 10px;font-size:12px;font-weight:600}
.pdp-trust b{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:#0f1722;color:var(--lime);font-size:12px;flex:none}
.pdp-related{max-width:1240px;margin:34px auto 0}
.pdp-related h2{font-size:22px;margin:0 0 14px}
.pdp-related>div{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.pdp-related a{display:grid;gap:4px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;text-decoration:none;color:var(--ink);transition:.15s}
.pdp-related a:hover{transform:translateY(-3px);box-shadow:0 12px 26px rgba(18,28,45,.13)}
.pdp-related img{width:100%;height:150px;object-fit:contain;background:radial-gradient(circle,#f4f6f9,#d9dee7);border-radius:10px}
.pdp-related b{font-size:14px;line-height:1.3}.pdp-related small{color:var(--muted);font-size:12px}.pdp-related strong{color:#0d1f4a}
.pdp-sticky{display:none}
@media(max-width:760px){.pdp-related>div{grid-template-columns:1fr 1fr}.pdp-sticky{position:fixed;left:0;right:0;bottom:0;z-index:40;display:flex;align-items:center;justify-content:space-between;gap:10px;background:#0f1722;color:#fff;padding:10px 14px calc(10px + env(safe-area-inset-bottom))}.pdp-sticky b{display:block;font-size:12px;opacity:.8;max-width:200px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.pdp-sticky strong{font-size:17px}.pdp-sticky button{background:var(--lime);color:#0b0b0d;border:0;border-radius:10px;padding:12px 18px;font-weight:800;font-family:inherit}body{padding-bottom:70px}}
.product-media{box-sizing:border-box;overflow:hidden}.product-media img{max-height:100%;width:auto;max-width:100%;margin:auto}

/* ===== v5: cảm hứng Apple (ô lớn, chữ lớn, nhiều khoảng thở) + Samsung (carousel ưu đãi, CTA dạng viên) ===== */
.retail-hero{display:none}
.showcase{position:relative;margin:18px auto 0;max-width:1240px}
.slides{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;border-radius:28px}
.slides::-webkit-scrollbar{display:none}
.slide{flex:0 0 100%;scroll-snap-align:start;min-height:520px;display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:20px;padding:54px 64px;position:relative;overflow:hidden}
.s-dark{background:radial-gradient(900px 500px at 78% 40%,#2a2f3a,#0b0d12 70%);color:#f5f5f7}
.s-blue{background:linear-gradient(120deg,#0a3dff,#3a1fd0 60%,#7a3cff);color:#fff}
.s-light{background:linear-gradient(120deg,#eceef2,#d7dce6);color:#12151b}
.slide .eyebrow,.tile .eyebrow{font-size:12px;font-weight:700;letter-spacing:.14em;opacity:.75;display:block;margin-bottom:12px}
.slide h2{font-size:clamp(34px,4.6vw,60px);line-height:1.04;letter-spacing:-.025em;margin:0 0 14px;font-weight:800}
.slide .lead{font-size:clamp(16px,1.5vw,21px);line-height:1.5;margin:0 0 26px;opacity:.9;max-width:520px}
.slide-cta{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.pill{display:inline-flex;align-items:center;border-radius:99px;padding:13px 26px;font-weight:700;font-size:15px;text-decoration:none;transition:transform .15s,filter .15s}
.pill:hover{transform:translateY(-1px);filter:brightness(1.06)}
.pill-lime{background:var(--lime);color:#0b0b0d}.pill-white{background:#fff;color:#0a2fd0}.pill-dark{background:#0f1722;color:#fff}
.link-arrow{color:inherit;text-decoration:none;font-weight:600;font-size:15px;border-bottom:1px solid transparent}
.s-light .link-arrow,.t-light .link-arrow{color:#0b57d0}
.link-arrow:hover{border-bottom-color:currentColor}
.slide-art{position:relative;height:100%;min-height:360px;display:flex;align-items:center;justify-content:center;gap:0}
.slide-art img{position:relative;z-index:1;max-height:430px;width:auto;max-width:78%;filter:drop-shadow(0 30px 40px rgba(0,0,0,.45));transition:transform .6s}
.slide-art.two img{max-height:380px;max-width:46%;margin:0 -2%}
.slide-art.two img:first-of-type{transform:rotate(-6deg) translateY(10px)}
.slide-art.two img:last-of-type{transform:rotate(5deg)}
.slide-art .pencil{max-height:380px;margin-left:-6%;transform:rotate(14deg)}
.slide-art .glow{position:absolute;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(200,255,61,.28),transparent 66%);filter:blur(6px)}
.s-blue .glow{background:radial-gradient(circle,rgba(255,255,255,.3),transparent 66%)}
.s-light .glow{background:radial-gradient(circle,rgba(39,100,255,.22),transparent 66%)}
.slide-ui{position:absolute;left:50%;bottom:16px;transform:translateX(-50%);display:flex;align-items:center;gap:12px;z-index:3;background:rgba(15,23,34,.55);backdrop-filter:blur(10px);border-radius:99px;padding:6px 10px}
.slide-nav{border:0;background:transparent;color:#fff;font-size:22px;width:30px;height:30px;border-radius:50%;cursor:pointer;line-height:1}
.slide-nav:hover{background:rgba(255,255,255,.18)}
.dots{display:flex;gap:7px}.dots button{width:8px;height:8px;border-radius:99px;border:0;background:rgba(255,255,255,.4);padding:0;cursor:pointer;transition:.25s}
.dots button.on{width:26px;background:#fff}
/* ô nổi bật 2 cột kiểu apple.com */
.tiles{display:grid;grid-template-columns:1fr 1fr;gap:14px;max-width:1240px;margin:14px auto 0}
.tile{position:relative;overflow:hidden;border-radius:26px;min-height:480px;padding:44px 36px 0;text-align:center;display:flex;flex-direction:column;align-items:center}
.t-light{background:#f2f3f6;color:#12151b;border:1px solid var(--line)}
.t-dark{background:radial-gradient(600px 300px at 50% 100%,#232a38,#0b0d12 70%);color:#f5f5f7}
.tile h3{font-size:clamp(28px,3vw,40px);letter-spacing:-.02em;line-height:1.08;margin:0 0 8px;font-weight:800}
.tile p{font-size:17px;margin:0 0 12px;opacity:.88}
.tile-cta{display:flex;gap:22px;justify-content:center;margin-bottom:18px}
.tile img{margin-top:auto;max-height:290px;width:auto;max-width:70%;filter:drop-shadow(0 22px 28px rgba(0,0,0,.35));transition:transform .5s}
.tile:hover img{transform:translateY(-8px) scale(1.03)}
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media(max-width:900px){.slide{grid-template-columns:1fr;text-align:center;padding:40px 24px 70px;min-height:600px;justify-items:center}.slide-art{min-height:260px}.slide-art img{max-height:260px}.slide-cta{justify-content:center}.tiles{grid-template-columns:1fr}.tile{min-height:420px}}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.slides{scroll-behavior:auto}}
.s-blue h2{font-size:clamp(28px,3.4vw,46px)}

/* ===== v6: tối ưu điện thoại & iPad (cảm ứng, chữ đủ lớn, không tràn, ô bấm >= 44px) ===== */
/* mọi thiết bị cảm ứng: ô nhập ≥16px để iOS không tự phóng to; chữ nút đủ đọc */
input,select,textarea{font-size:16px}
.card-actions a,.card-actions button{font-size:13px!important;padding:12px 8px!important;min-height:44px}
.add{width:44px;height:44px}
.filters button,.price-chips button{min-height:44px;font-size:14px}
.sort select{min-height:44px}
.compare-toggle{min-height:36px;font-size:12px!important}
.category-nav a,.category-nav button{font-size:14px;white-space:nowrap}
.category-nav>div{overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.category-nav>div::-webkit-scrollbar{display:none}
.slide-nav{width:40px;height:40px}
.dots button{position:relative}.dots button::after{content:"";position:absolute;inset:-14px -4px}
.pill{min-height:46px}.link-arrow{display:inline-flex;align-items:center;min-height:44px}
.tile-cta .link-arrow{min-height:44px}
.btn,.pdp-actions .btn{min-height:48px}
.messenger-float,.zalo-float{min-height:48px}
.pdp-zalo{display:flex;align-items:center;justify-content:center;min-height:48px}

/* iPad dọc & máy tính bảng nhỏ (700–1100px) */
@media(min-width:700px) and (max-width:1100px){
  .announcement span{display:none}.announcement{justify-content:flex-end}
  .header{display:flex!important;height:auto!important;min-height:72px;padding:10px 20px!important;gap:14px!important;flex-wrap:nowrap}
  .header .brand{flex:none}
  .header-hotline,.header .header-contact{display:none!important}
  .header-search{flex:1;min-width:0}
  .header-search input{font-size:16px}
  .cart-btn{flex:none}
  .category-nav>div{padding:0 20px;gap:22px}
  .benefits{grid-template-columns:1fr 1fr!important}
  .benefits article{padding:20px 18px!important}.benefits strong{font-size:15px!important}.benefits span{font-size:13px!important}
  .slide{min-height:460px;padding:44px 40px}
  .slide-art img{max-height:340px}
  .product-grid{grid-template-columns:repeat(3,1fr)!important}
  .tile{min-height:440px}
  .catalog-tools{flex-wrap:wrap}
  .pdp-related>div{grid-template-columns:repeat(4,1fr)}
}
/* iPad ngang (1024) – tránh thanh đầu trang bị tràn */
@media(min-width:1101px) and (max-width:1280px){
  .header{grid-template-columns:190px minmax(220px,1fr) 125px 125px 140px!important}
  .header-hotline{display:none!important}
  .product-grid{grid-template-columns:repeat(3,1fr)!important}
}
/* điện thoại */
@media(max-width:700px){
  .zalo-float,.messenger-float{display:none!important}   /* đã có thanh dưới đáy */
  body{padding-bottom:72px}
  .announcement{display:none}
  .header{padding:8px 14px!important;height:auto!important;min-height:60px}
  .header-hotline,.header .header-contact{display:none!important}
  .back-home{font-size:13px;white-space:nowrap}
  /* cam kết: dải cuộn ngang gọn, nhường chỗ cho banner */
  .benefits{display:flex!important;overflow-x:auto;gap:8px;padding:10px 14px;scroll-snap-type:x proximity;border:0!important;background:transparent!important;margin:0 -0px;scrollbar-width:none}
  .benefits::-webkit-scrollbar{display:none}
  .benefits article{flex:0 0 auto;min-width:220px;padding:10px 14px!important;gap:10px!important;scroll-snap-align:start;border:1px solid var(--line)!important;border-radius:12px;background:var(--card)!important}
  .benefits strong{font-size:13px!important}.benefits span{font-size:11.5px!important}
  .showcase{margin-top:6px}
  .slides{border-radius:20px}
  .slide{min-height:500px;padding:34px 20px 64px;gap:6px}
  .slide h2{font-size:30px!important}.s-blue h2{font-size:26px!important}
  .slide .lead{font-size:15px;margin-bottom:18px}
  .slide-art{min-height:200px}.slide-art img{max-height:200px}.slide-art.two img{max-height:190px}.slide-art .glow{width:260px;height:260px}
  .tile{min-height:380px;padding:32px 20px 0}.tile img{max-height:220px}
  .product-grid{grid-template-columns:1fr 1fr!important;gap:10px!important}
  .product-info h3{font-size:14px}.chips li{font-size:10.5px}
  .card-actions{grid-template-columns:1fr!important}
  .catalog-tools2{flex-direction:column;align-items:stretch}
  .price-chips{overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px;scrollbar-width:none}.price-chips button{flex:none}
  .filters{overflow-x:auto;flex-wrap:nowrap;scrollbar-width:none}.filters button{flex:none}
  .sort{justify-content:space-between}.sort select{flex:1}
  .quick-cats,.needs,.steps,.assurance,.faq,.catalog,.compare{padding:20px 14px!important;margin:16px 0!important;border-radius:16px}
  .pdp-grid{grid-template-columns:1fr!important}
  .pdp-switch a{min-width:0;flex:1 1 46%}
  .pdp-actions{grid-template-columns:1fr 1fr}
  .store{padding:28px 18px!important}.store-map{height:200px}
  .store-actions .btn{flex:1 1 44%;text-align:center}
}
@media(max-width:380px){.product-grid{grid-template-columns:1fr!important}.slide h2{font-size:27px!important}}
/* thiết bị cảm ứng: bỏ hiệu ứng hover gây "dính" */
@media(hover:none){.product:hover,.tile:hover img,.pdp-related a:hover,.load-more button:hover{transform:none!important}}
/* trang chi tiết trên điện thoại: giữ giỏ hàng trong màn hình */
@media(max-width:700px){
  .header .brand>span{display:none}
  .header{display:flex!important;align-items:center;gap:10px!important}
  .back-home{flex:1;min-width:0;width:auto!important;overflow:hidden;text-overflow:ellipsis;font-size:14px}
  .cart-btn{flex:none;margin-left:auto}
  .header-search{flex:1;min-width:0}
}
@media(min-width:700px) and (max-width:1100px){
  .flash-grid{gap:12px!important}
  .flash-card{min-width:0;padding:12px!important}
  .flash-card>div{min-width:0}
  .flash-price{flex-wrap:wrap;gap:4px 8px}.flash-price b{font-size:19px!important}
}
@media(max-width:700px){.slide{min-height:0!important;align-content:start;padding:30px 20px 64px!important}.slide-art{min-height:0!important;margin-top:4px}.slide-art img{max-height:240px!important}}