/* ===== Giao diện web bán đồ câu ===== */
:root{
  --red:#c8102e; --red-d:#a00c24; --navy:#14304f; --navy-d:#0d2138;
  --bg:#f3f4f6; --card:#fff; --text:#1f2530; --muted:#6b7280; --line:#e5e7eb;
  --green:#16a34a; --zalo:#0068ff; --radius:8px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;font-size:15px;line-height:1.5;color:var(--text);background:var(--bg)}
a{color:inherit;text-decoration:none}
a:hover{color:var(--red)}
img{max-width:100%;display:block}
h1,h2,h3,h4{line-height:1.3;margin:0}
button,input,select,textarea{font:inherit;color:inherit}
.container{max-width:1240px;margin:0 auto;padding:0 16px}
.ic{flex:none;vertical-align:middle}
.muted{color:var(--muted)}.small{font-size:13px}
[hidden]{display:none!important}

/* Nút */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border-radius:var(--radius);border:1px solid transparent;cursor:pointer;font-weight:600;font-size:15px;transition:.15s;text-align:center}
.btn-primary{background:var(--red);color:#fff}.btn-primary:hover{background:var(--red-d);color:#fff}
.btn-outline{background:#fff;border-color:var(--red);color:var(--red)}.btn-outline:hover{background:#fff5f6}
.btn-light{background:#fff;color:var(--red)}
.btn-lg{padding:12px 22px;font-size:16px}
.btn-sm{padding:6px 12px;font-size:14px}
.btn-block{width:100%}
.btn small{display:block;font-weight:400;font-size:12px;opacity:.9}
.btn-primary.btn-lg{flex-direction:column;gap:0}
.btn-call{background:var(--green);color:#fff}.btn-call:hover{color:#fff;filter:brightness(.95)}
.btn-zalo{background:var(--zalo);color:#fff}.btn-zalo:hover{color:#fff;filter:brightness(.95)}

/* Thông báo */
.alert{padding:10px 14px;border-radius:var(--radius);margin:10px 0;font-size:14px}
.alert-success{background:#e7f6ec;color:#166534}
.alert-error{background:#fdecec;color:#991b1b}
.alert-warning{background:#fff7e0;color:#8a5a00}
.flash-wrap{padding-top:8px}

/* Topbar + header */
.topbar{background:var(--navy-d);color:#dfe6ee;font-size:13px}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:34px}
.topbar-phone{white-space:nowrap;color:#fff;font-weight:600}
.header{background:#fff;position:sticky;top:0;z-index:50;box-shadow:0 1px 0 var(--line)}
.header-row{display:flex;align-items:center;gap:20px;padding:12px 16px}
.logo{display:flex;align-items:center;min-width:0}
.logo img{max-height:56px;width:auto}
.logo-text b{display:block;font-size:20px;color:var(--red);line-height:1.15;font-weight:800;letter-spacing:-.2px}
.logo-text small{display:block;color:var(--muted);font-size:12px}
.search{flex:1;display:flex;max-width:560px;border:2px solid var(--red);border-radius:var(--radius);overflow:hidden;background:#fff}
.search input{flex:1;border:0;padding:9px 12px;outline:0;min-width:0;background:transparent}
.search button{border:0;background:var(--red);color:#fff;padding:0 16px;cursor:pointer}
.hotline{display:flex;align-items:center;gap:10px;white-space:nowrap}
.hotline small{display:block;font-size:12px;color:var(--muted)}
.hotline b{color:var(--red);font-size:17px}
.hotline-ic{width:40px;height:40px;border-radius:50%;border:2px solid var(--red);color:var(--red);display:grid;place-items:center}
.cart-btn{position:relative;display:flex;align-items:center;gap:8px;white-space:nowrap;font-weight:600}
.cart-count{position:absolute;top:-8px;left:14px;background:var(--red);color:#fff;font-size:11px;min-width:18px;height:18px;border-radius:9px;display:grid;place-items:center;padding:0 4px}
.menu-toggle{display:none;background:none;border:0;padding:4px;cursor:pointer}

/* Menu */
.nav{background:var(--red)}
.nav-head{display:none}
.nav-list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap}
.nav-list>li{position:relative}
.nav-list>li>a{display:block;padding:11px 14px;color:#fff;font-weight:600;font-size:14px;text-transform:uppercase}
.nav-list>li:hover>a{background:var(--red-d);color:#fff}
.sub-toggle{display:none}
.sub{display:none;position:absolute;top:100%;left:0;min-width:220px;background:#fff;list-style:none;margin:0;padding:6px 0;box-shadow:0 8px 24px rgba(0,0,0,.12);border-radius:0 0 var(--radius) var(--radius);z-index:10}
.sub a{display:block;padding:8px 16px}
.nav-list>li:hover .sub{display:block}
.nav-backdrop,.filter-backdrop{display:none}

/* Khu đầu trang chủ: danh mục dọc + slide + banner nhỏ */
.home-top{padding-top:16px}
.home-top-grid{display:grid;grid-template-columns:270px 1fr;gap:12px;align-items:start}
.home-cats{background:#fff;border:1px solid var(--line);border-radius:var(--radius);position:relative;z-index:5}
.home-cats-head{display:flex;align-items:center;gap:10px;background:var(--red);color:#fff;font-weight:700;padding:11px 14px;border-radius:var(--radius) var(--radius) 0 0;font-size:15px}
.home-cats ul{list-style:none;margin:0;padding:0}
.home-cats>ul>li{position:relative;border-bottom:1px solid var(--line)}
.home-cats>ul>li:last-child{border:0}
.home-cats>ul>li>a{display:flex;justify-content:space-between;align-items:center;padding:9px 16px;font-size:14px;text-transform:uppercase}
.home-cats>ul>li:hover>a{color:var(--red);background:#fff5f6}
.fly-arrow{color:var(--muted);font-size:18px;line-height:1}
.fly{display:none;position:absolute;left:100%;top:-1px;min-width:230px;background:#fff;border:1px solid var(--line);border-radius:0 var(--radius) var(--radius) 0;box-shadow:6px 6px 20px rgba(0,0,0,.1);padding:6px 0}
.fly a{display:block;padding:8px 16px;font-size:14px}
.home-cats li:hover>.fly{display:block}
.home-main{min-width:0}
.slider{position:relative}
.slides{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:2/1;background:#ddd}
.slide{position:absolute;inset:0;opacity:0;transition:opacity .5s}
.slide.active{opacity:1;z-index:1}
.slide img{width:100%;height:100%;object-fit:cover}
.sl-prev,.sl-next{position:absolute;top:50%;transform:translateY(-50%);z-index:2;width:42px;height:42px;border-radius:50%;border:0;background:rgba(255,255,255,.85);color:#222;font-size:26px;cursor:pointer;line-height:1;box-shadow:0 2px 8px rgba(0,0,0,.2)}
.sl-prev{left:14px}.sl-next{right:14px}
.dots{position:absolute;bottom:12px;left:0;right:0;display:flex;justify-content:center;gap:6px;z-index:2}
.dots span{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.6);cursor:pointer}
.dots span.active{background:#fff;width:22px;border-radius:5px}
.promos{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:10px}
.promos a{display:block;border-radius:var(--radius);overflow:hidden;aspect-ratio:2/1;background:#eee}
.promos img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.promos a:hover img{transform:scale(1.04)}
.hero{background:linear-gradient(120deg,var(--navy-d),var(--navy) 55%,var(--red));color:#fff;padding:56px 32px;border-radius:var(--radius);aspect-ratio:2/1;display:flex;flex-direction:column;justify-content:center;align-items:flex-start}
.hero h1{font-size:34px;margin-bottom:8px}
.hero p{font-size:18px;opacity:.9;margin:0 0 20px}

/* Khối sản phẩm */
.block{padding:22px 0 6px}
.block-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;border-bottom:2px solid var(--line)}
.block-head h2{font-size:20px;text-transform:uppercase;color:var(--navy);padding:0 0 8px;border-bottom:3px solid var(--red);margin-bottom:-2px}
.block-head a{color:var(--red);font-weight:600;font-size:14px}
.block-sale .container{background:linear-gradient(180deg,#fff0f1,#fff 120px);border-radius:12px;padding-top:14px;padding-bottom:14px}
.grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);display:flex;flex-direction:column;transition:.15s}
.card:hover{box-shadow:0 6px 20px rgba(0,0,0,.08);transform:translateY(-2px)}
.card-img{position:relative;display:block;aspect-ratio:1;background:#fff}
.card-img img{width:100%;height:100%;object-fit:contain;padding:6px}
.badge-sale,.badge-hot,.badge-new,.badge-out{position:absolute;top:8px;font-size:12px;font-weight:700;padding:2px 8px;border-radius:4px;color:#fff}
.badge-sale{left:8px;background:var(--red)}
.badge-hot{right:8px;background:#f97316}
.badge-new{right:8px;background:var(--green)}
.badge-out{right:8px;background:#6b7280}
.card-body{padding:10px 12px 12px;display:flex;flex-direction:column;gap:6px;flex:1}
.card-title{font-size:14px;font-weight:500;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:42px}
.card-price{margin-top:auto;display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 8px}
.card-price .price{color:var(--red);font-weight:700;font-size:16px}
.card-price del{color:var(--muted);font-size:13px}

/* Ô danh mục */
.cat-tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:12px}
.cat-tile{background:#fff;border-radius:var(--radius);border:1px solid var(--line);padding:12px 8px;text-align:center;font-size:13px;font-weight:600;display:flex;flex-direction:column;align-items:center;gap:8px}
.cat-img{width:64px;height:64px;border-radius:50%;overflow:hidden;background:var(--bg)}
.cat-img img{width:100%;height:100%;object-fit:cover}
.cat-tile:hover{border-color:var(--red)}

.brands{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px}
.brand{background:#fff;border:1px solid var(--line);border-radius:var(--radius);height:70px;display:grid;place-items:center;padding:8px;font-weight:700;color:var(--navy)}
.brand img{max-height:52px;width:auto;object-fit:contain}

/* Breadcrumb + listing */
.breadcrumb{font-size:13px;color:var(--muted);padding:14px 0}
.breadcrumb a:hover{color:var(--red)}
.page-title{font-size:24px;margin-bottom:16px}
.listing{display:grid;grid-template-columns:240px 1fr;gap:20px;align-items:start}
.filters{background:#fff;border-radius:var(--radius);border:1px solid var(--line);position:sticky;top:130px}
.filter-head{display:none}
.filter-box{padding:14px 16px;border-bottom:1px solid var(--line)}
.filter-box:last-child{border:0}
.filter-box h4{font-size:15px;margin-bottom:8px;color:var(--navy)}
.filter-box ul{list-style:none;margin:0;padding:0}
.filter-box ul ul{padding-left:14px}
.filter-box a{display:block;padding:4px 0;font-size:14px}
.filter-box a.on{color:var(--red);font-weight:700}
.listing-top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.listing-top h1{font-size:22px}
.listing-top h1 small{font-size:14px;color:var(--muted);font-weight:400}
.listing-tools{display:flex;gap:8px}
.listing-tools select{padding:7px 10px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.filter-btn{display:none}
.empty{background:#fff;padding:40px 20px;text-align:center;border-radius:var(--radius);color:var(--muted)}
.empty a{color:var(--red);font-weight:600}
.cat-desc{background:#fff;border-radius:var(--radius);padding:16px;margin-top:20px}
.pagination{display:flex;justify-content:center;gap:6px;margin:24px 0;flex-wrap:wrap}
.pagination a,.pagination span{min-width:38px;height:38px;display:grid;place-items:center;padding:0 10px;border-radius:var(--radius);background:#fff;border:1px solid var(--line)}
.pagination .current{background:var(--red);color:#fff;border-color:var(--red)}
.pagination .dots{border:0;background:none}

/* Chi tiết sản phẩm */
.pd{display:grid;grid-template-columns:1fr 1fr;gap:28px;background:#fff;border-radius:var(--radius);padding:20px}
.pd-main{position:relative;aspect-ratio:1;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.pd-main img{width:100%;height:100%;object-fit:contain}
.pd-main .badge-sale{font-size:15px;padding:4px 10px}
.pd-thumbs{display:flex;gap:8px;margin-top:10px;overflow-x:auto;padding-bottom:4px}
.pd-thumbs button{flex:none;width:72px;height:72px;border:2px solid var(--line);border-radius:6px;padding:2px;background:#fff;cursor:pointer}
.pd-thumbs button.on{border-color:var(--red)}
.pd-thumbs img{width:100%;height:100%;object-fit:contain}
.pd-info h1{font-size:24px;margin-bottom:8px}
.pd-meta{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:14px;color:var(--muted);margin-bottom:12px}
.pd-meta a{color:var(--navy);font-weight:600}
.stock-in{color:var(--green);font-weight:600}.stock-out{color:var(--red);font-weight:600}
.pd-price{background:#fafafa;border-radius:var(--radius);padding:12px 16px;display:flex;align-items:baseline;gap:12px;margin-bottom:12px}
.pd-price .price{font-size:28px;color:var(--red);font-weight:800}
.pd-price del{color:var(--muted);font-size:16px}
.pd-short{margin-bottom:14px;font-size:14px}
.variants{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:14px}
.label{width:100%;font-weight:600;font-size:14px}
.variant{cursor:pointer}
.variant input{position:absolute;opacity:0;pointer-events:none}
.variant span{display:inline-block;padding:8px 16px;border:1.5px solid var(--line);border-radius:6px;font-weight:600;background:#fff}
.variant input:checked+span{border-color:var(--red);color:var(--red);background:#fff5f6}
.variant input:focus-visible+span{outline:2px solid var(--navy)}
.variant.disabled span{opacity:.45;text-decoration:line-through;cursor:not-allowed}
.qty-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:16px}
.qty{display:inline-flex;border:1px solid var(--line);border-radius:6px;overflow:hidden;background:#fff}
.qty button{width:36px;border:0;background:#f3f4f6;cursor:pointer;font-size:18px}
.qty input{width:52px;text-align:center;border:0;padding:7px 0;-moz-appearance:textfield}
.qty input::-webkit-outer-spin-button,.qty input::-webkit-inner-spin-button{-webkit-appearance:none}
.pd-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.pd-contact{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px}
.pd-policy{list-style:none;padding:14px 0 0;margin:14px 0 0;border-top:1px dashed var(--line);font-size:14px}
.pd-policy li{display:flex;gap:8px;align-items:center;padding:3px 0;color:#374151}
.pd-policy .ic{color:var(--red)}
.pd-tabs{background:#fff;border-radius:var(--radius);margin-top:18px}
.tab-nav{display:flex;border-bottom:1px solid var(--line);overflow-x:auto}
.tab-nav button{border:0;background:none;padding:14px 18px;font-weight:700;cursor:pointer;color:var(--muted);border-bottom:3px solid transparent;white-space:nowrap}
.tab-nav button.on{color:var(--red);border-color:var(--red)}
.tab-pane{display:none;padding:18px 20px}
.tab-pane.on{display:block}
.content img{height:auto;margin:10px auto}
.content{overflow-wrap:anywhere}
.content iframe{max-width:100%}
.specs{width:100%;border-collapse:collapse;max-width:720px}
.specs th,.specs td{border:1px solid var(--line);padding:9px 12px;text-align:left;font-size:14px}
.specs th{background:#f9fafb;width:38%;font-weight:600}

/* Giỏ hàng + đặt hàng */
.cart-layout{display:grid;grid-template-columns:1fr 360px;gap:20px;align-items:start}
.cart-list,.checkout-form,.cart-summary{background:#fff;border-radius:var(--radius);padding:16px}
.cart-item{display:grid;grid-template-columns:90px 1fr auto;gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}
.cart-item:first-of-type{padding-top:0}
.ci-img{width:90px;height:90px;border:1px solid var(--line);border-radius:6px;overflow:hidden}
.ci-img img{width:100%;height:100%;object-fit:contain}
.ci-name{font-weight:600}
.ci-var{font-size:13px;color:var(--muted)}
.ci-price{color:var(--red);font-weight:600;font-size:14px}
.ci-price del{color:var(--muted);font-weight:400;margin-left:6px}
.ci-bottom{display:flex;gap:14px;align-items:center;margin-top:8px}
.ci-remove{border:0;background:none;color:var(--muted);cursor:pointer;font-size:13px;display:inline-flex;align-items:center;gap:4px}
.ci-remove:hover{color:var(--red)}
.ci-total{font-weight:700;white-space:nowrap}
.cart-actions{display:flex;justify-content:space-between;gap:10px;padding-top:14px;flex-wrap:wrap}
.cart-summary{position:sticky;top:130px}
.cart-summary h3{font-size:17px;margin-bottom:10px}
.sum-row{display:flex;justify-content:space-between;gap:12px;padding:8px 0;font-size:14px;border-bottom:1px dashed var(--line)}
.sum-row span:last-child{text-align:right}
.sum-total{font-size:17px;border:0}
.sum-total b{color:var(--red);font-size:20px}
.cart-summary .btn{margin-top:10px}
.checkout-form label{display:block;font-weight:600;font-size:14px;margin-bottom:14px}
.checkout-form input,.checkout-form textarea{display:block;width:100%;margin-top:6px;padding:10px 12px;border:1px solid #d1d5db;border-radius:6px;font-weight:400}
.checkout-form input:focus,.checkout-form textarea:focus{outline:2px solid #fbd0d6;border-color:var(--red)}
.pay-method{background:#f9fafb;padding:12px 14px;border-radius:6px}
.pay-method .radio{font-weight:400;margin:6px 0 0;display:flex;gap:8px;align-items:center}
.pay-method .radio input{width:auto;margin:0}
.co-item{display:grid;grid-template-columns:52px 1fr auto;gap:10px;padding:8px 0;border-bottom:1px solid var(--line);font-size:14px}
.co-item img{width:52px;height:52px;object-fit:contain;border:1px solid var(--line);border-radius:4px}
.co-item small{display:block;color:var(--muted)}
.thanks{max-width:560px;margin:10px auto 30px;background:#fff;border-radius:12px;padding:30px 24px;text-align:center}
.thanks-ic{width:64px;height:64px;border-radius:50%;background:var(--green);color:#fff;font-size:36px;display:grid;place-items:center;margin:0 auto 12px}
.thanks h1{font-size:24px;margin-bottom:8px}
.thanks-box{text-align:left;margin:16px 0 20px;background:#f9fafb;padding:6px 14px;border-radius:8px}

/* Cam kết + footer */
.trust{background:#fff;margin-top:36px;border-top:1px solid var(--line)}
.trust-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding:20px 16px}
.trust-row>div{display:flex;gap:12px;align-items:center}
.trust .ic{color:var(--red)}
.trust b{display:block;font-size:14px}.trust small{color:var(--muted);font-size:13px}
.footer{background:var(--navy-d);color:#c9d3df;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1.2fr 1fr 1fr;gap:24px;padding:32px 16px}
.footer h4{color:#fff;font-size:16px;margin-bottom:12px}
.footer ul{list-style:none;padding:0;margin:0}
.footer li{padding:4px 0;display:flex;gap:8px;align-items:flex-start}
.footer li .ic{margin-top:3px}
.footer a:hover{color:#fff}
.footer .muted{color:#94a3b8;margin-top:10px}
.copy{text-align:center;padding:14px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:#94a3b8}

/* Nút liên hệ nổi */
.float-contact{position:fixed;right:16px;bottom:90px;z-index:60;display:flex;flex-direction:column;gap:10px}
.float-contact a{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;color:#fff;box-shadow:0 4px 14px rgba(0,0,0,.25);font-weight:800;font-size:13px}
.float-contact a:hover{color:#fff;transform:scale(1.06)}
.fc-call{background:var(--green);animation:ring 1.6s infinite}
.fc-zalo{background:var(--zalo)}
.fc-mess{background:linear-gradient(45deg,#0a7cff,#a334fa)}
@keyframes ring{0%{box-shadow:0 0 0 0 rgba(22,163,74,.55)}70%{box-shadow:0 0 0 14px rgba(22,163,74,0)}100%{box-shadow:0 0 0 0 rgba(22,163,74,0)}}
@media (prefers-reduced-motion:reduce){.fc-call{animation:none}*{transition:none!important}}
.to-top{position:fixed;right:22px;bottom:24px;z-index:60;width:40px;height:40px;border-radius:50%;border:0;background:var(--navy);color:#fff;cursor:pointer;opacity:0;pointer-events:none;transition:.2s}
.to-top.show{opacity:1;pointer-events:auto}

/* ===== Máy tính bảng ===== */
@media (max-width:1100px){
  .home-top-grid{grid-template-columns:230px 1fr}
  .grid{grid-template-columns:repeat(4,1fr)}
  .grid-4{grid-template-columns:repeat(3,1fr)}
  .hotline{display:none}
}

/* ===== Điện thoại ===== */
@media (max-width:860px){
  body{font-size:14px}
  .topbar span:first-child{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
  .header-row{flex-wrap:wrap;gap:10px;padding:8px 16px}
  .menu-toggle{display:block;order:0}
  .logo{order:1;flex:1;justify-content:center}
  .logo img{max-height:42px}
  .logo-text{text-align:center}.logo-text b{font-size:16px}.logo-text small{display:none}
  .cart-btn{order:2}.cart-label{display:none}
  .search{order:3;flex-basis:100%;max-width:none}
  .nav{position:fixed;top:0;left:0;bottom:0;width:82%;max-width:320px;background:#fff;z-index:100;transform:translateX(-100%);transition:transform .25s;overflow-y:auto}
  .nav.open{transform:none}
  .nav .container{padding:0}
  .nav-head{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:var(--red);color:#fff}
  .nav-head button{background:none;border:0;color:#fff;cursor:pointer}
  .nav-list{display:block}
  .nav-list>li{border-bottom:1px solid var(--line);display:flex;flex-wrap:wrap}
  .nav-list>li>a{color:var(--text);flex:1;text-transform:none;font-size:15px;padding:12px 16px}
  .nav-list>li:hover>a{background:none;color:var(--red)}
  .sub-toggle{display:block;border:0;background:none;padding:0 16px;cursor:pointer}
  .sub{position:static;box-shadow:none;width:100%;padding:0 0 8px 16px;display:none!important}
  li.open .sub{display:block!important}
  li.open .sub-toggle{transform:rotate(180deg)}
  .nav-backdrop.show,.filter-backdrop.show{display:block;position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:90}
  .nav-backdrop.show{z-index:45}
  .home-top{padding-top:10px}
  .home-top-grid{grid-template-columns:1fr}
  .home-cats{display:none}
  .sl-prev,.sl-next{display:none}
  .promos{gap:6px;margin-top:6px}
  .hero{padding:24px 20px}.hero h1{font-size:22px}.hero p{font-size:14px}
  .block-head h2{font-size:16px}
  .grid,.grid-4{grid-template-columns:repeat(2,1fr);gap:10px}
  .card-body{padding:8px 10px 10px}
  .card-title{font-size:13px;min-height:39px}
  .card-price .price{font-size:15px}
  .cat-tiles{grid-template-columns:repeat(4,1fr);gap:8px}
  .cat-tile{padding:8px 4px;font-size:12px;font-weight:500}
  .cat-img{width:52px;height:52px}
  .listing{grid-template-columns:1fr}
  .filters{position:fixed;top:0;right:0;bottom:0;width:82%;max-width:320px;z-index:100;border-radius:0;transform:translateX(100%);transition:transform .25s;overflow-y:auto}
  .filters.open{transform:none}
  .filter-head{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:var(--navy);color:#fff}
  .filter-head button{background:none;border:0;color:#fff;cursor:pointer}
  .filter-btn{display:inline-flex}
  .listing-top h1{font-size:18px}
  .pd{grid-template-columns:1fr;padding:12px;gap:16px}
  .pd-info h1{font-size:19px}
  .pd-price .price{font-size:24px}
  .pd-actions,.pd-contact{grid-template-columns:1fr}
  .tab-pane{padding:14px}
  .cart-layout{grid-template-columns:1fr}
  .cart-summary{position:static}
  .cart-item{grid-template-columns:72px 1fr;gap:10px}
  .ci-img{width:72px;height:72px}
  .ci-total{grid-column:2}
  .trust-row{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr;gap:18px;padding:24px 16px}
  .float-contact{right:12px;bottom:76px}
  .float-contact a{width:46px;height:46px}
  .to-top{right:16px;bottom:18px}
}
@media (max-width:380px){ .cat-tiles{grid-template-columns:repeat(3,1fr)} }

/* Header tối cho logo nổi */
.topbar{background:#0b0c0f}
.header{background:#17191e;box-shadow:0 1px 0 #000}
.header .logo-text b{color:#fff}
.header .logo-text small,.hotline small{color:#aab0bb}
.hotline b{color:#ff4d5e}
.hotline-ic{border-color:#ff4d5e;color:#ff4d5e}
.cart-btn,.menu-toggle{color:#fff}
.cart-btn:hover{color:#ff4d5e}
.search{border-color:#c8102e}