/* =========================================================
   Két sắt Bình Bảo — các trang con
   (nạp sau style.css)
   ========================================================= */

/* ---------- Page banner + breadcrumb ---------- */
.page-banner { position: relative; overflow: hidden; color: #fff; isolation: isolate; container-type: inline-size; }
.page-banner-bg { position: absolute; inset: 0; z-index: -1; background: #000000; }
.page-banner .container { position: relative; min-height: 340px; display: flex; flex-direction: column; padding-top: 24px; padding-bottom: 56px; }
.page-banner-info { margin: auto 0 0; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 12px; padding-top: 48px; }
.page-banner h1 { font-family: var(--f-head); font-size: 48px; line-height: 1.15; max-width: 900px; text-wrap: balance; }
.page-banner p.lead { max-width: 680px; color: #CCCCCC; font-size: 16px; }
.page-banner .chip { background: var(--red); color: #fff; border-color: var(--red); }
.page-banner-meta { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 20px; color: #CCCCCC; font-size: 14px; }
.page-banner-meta span { display: inline-flex; align-items: center; gap: 6px; }
.page-banner-meta .icon { width: 16px; height: 16px; }

.breadcrumb ol { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; list-style: none; margin: 0; padding: 0; font-size: 14px; }
.breadcrumb li { display: inline-flex; align-items: center; gap: 8px; }
.breadcrumb li + li::before { content: ""; width: 6px; height: 6px; border-right: 1.5px solid currentColor; border-top: 1.5px solid currentColor; transform: rotate(45deg); opacity: .6; }
.breadcrumb a { opacity: .8; }
.breadcrumb a:hover { opacity: 1; color: var(--red); }
.page-banner .breadcrumb a:hover { color: var(--red-60); }
.breadcrumb [aria-current] { font-weight: 700; }
.breadcrumb-bar { background: var(--cream); border-bottom: 1px solid var(--line); padding: 16px 0; }
.breadcrumb-bar [aria-current] { color: var(--red); }

/* ---------- Generic ---------- */
.page-section { padding: 80px 0; }
.page-section + .page-section { padding-top: 0; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px; border-radius: 99px; border: 1px solid var(--line); font-size: 13px; font-weight: 700; color: var(--ink-2); background: #fff; transition: .2s; }
a.chip:hover { border-color: var(--red); color: var(--red); }
.btn-outline { background: #fff; color: var(--ink); border: 1.5px solid var(--ink); }
.btn-outline:hover { background: var(--ink); color: #fff; }
.btn-block { width: 100%; }
.btn .icon { width: 20px; height: 20px; }
.side-box { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; background: #fff; }
.side-title { font-family: var(--f-head); font-size: 20px; margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.side-title .icon { color: var(--red); }
.layout-side { display: grid; grid-template-columns: 288px minmax(0, 1fr); gap: 32px; align-items: start; }
.layout-side.right { grid-template-columns: minmax(0, 1fr) 312px; }
.sticky { position: sticky; top: 130px; }
.empty-state { text-align: center; padding: 60px 16px; display: flex; flex-direction: column; align-items: center; gap: 16px; color: var(--ink-2); }
.empty-state .icon { width: 64px; height: 64px; color: var(--red); opacity: .8; }
.empty-state h2 { font-family: var(--f-head); font-size: 24px; color: var(--ink); }

/* forms */
.form-grid { display: grid; gap: 16px; }
.form-grid.cols-2 { grid-template-columns: 1fr 1fr; }
.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 14px; font-weight: 700; }
.field label .req { color: var(--red); }
.field input, .field textarea, .field select, .select {
  width: 100%; min-height: 46px; padding: 11px 14px; border: 1px solid #CCCCCC; border-radius: var(--radius); background: #fff;
  font: inherit; color: var(--ink); outline: none; transition: border-color .2s, box-shadow .2s;
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus, .select:focus { border-color: var(--red); box-shadow: 0 0 0 3px rgba(228, 44, 16, .12); }
.field [aria-invalid="true"] { border-color: var(--red); background: var(--red-10); }
.field-error { color: var(--red); font-size: 13px; }
.radio-list { display: grid; gap: 10px; }
.radio { display: flex; align-items: flex-start; gap: 10px; padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius); cursor: pointer; transition: .2s; }
.radio:has(input:checked) { border-color: var(--red); background: var(--red-soft); }
.radio input { accent-color: var(--red); width: 18px; height: 18px; margin-top: 1px; flex: none; }
.radio b { display: block; font-size: 14px; }
.radio span { font-size: 13px; color: var(--ink-2); }


/* ---------- Newsletter ---------- */
.newsletter-wrap { margin-top: var(--section); }
.newsletter {
  position: relative; overflow: hidden; border-radius: 16px; padding: 56px 32px; text-align: center; color: #fff;
  background: var(--red);
  display: flex; flex-direction: column; align-items: center; gap: 28px;
}
.newsletter-head h2 { font-family: var(--f-head); font-size: 32px; }
.newsletter-head p { margin-top: 8px; color: #CCCCCC; font-size: 16px; }
.newsletter-form { display: flex; gap: 8px; width: min(560px, 100%); position: relative; flex-wrap: wrap; }
.newsletter-form input { flex: 1 1 0; width: 0; min-width: 0; min-height: 50px; padding: 0 18px; border-radius: var(--radius); border: 0; font: inherit; outline: none; }
.newsletter-form input:focus { box-shadow: 0 0 0 3px rgba(255, 255, 255, .45); }
.newsletter-form .btn { background: var(--ink); min-height: 50px; }
.newsletter-form .btn:hover { background: #000; }
.newsletter-form .field-error { flex-basis: 100%; color: #fff; text-align: left; font-weight: 700; }

/* ---------- Promo slider (dải banner quảng cáo) ---------- */
.promo .hero-slider { aspect-ratio: 1216 / 380; height: auto; }
.promo .b-title { font-size: 4.4cqw; }
.promo .b-text { font-size: 1.6cqw; max-width: 40cqw; }
.promo .b-kicker { font-size: 1.4cqw; }
.promo .b-cta { font-size: max(10px, 1.5cqw); padding: 1cqw 2.2cqw; }
.promo .b-cta svg { width: 1.8cqw; height: 1.8cqw; }
.promo .b-art { flex-basis: 34%; }
.promo .b-inner { padding: 0 7cqw; }

/* ---------- Shop ---------- */
.cat-list { display: grid; gap: 2px; }
.cat-list a { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 9px 12px; border-radius: 6px; font-size: 14px; transition: .2s; }
.cat-list a span { color: var(--muted); font-size: 13px; }
.cat-list a:hover { background: var(--cream); color: var(--red); }
.cat-list a.is-active { background: var(--red-soft); color: var(--red); font-weight: 700; }
.cat-list a.is-active span { color: var(--red); }
.cat-group + .cat-group { margin-top: 18px; padding-top: 18px; border-top: 1px dashed var(--line); }
.cat-group-title { font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); padding: 0 12px 8px; }
.shop-side { display: grid; gap: 24px; }
.side-banner { aspect-ratio: 288 / 320; border-radius: var(--radius); }
.side-banner .b-inner { flex-direction: column; align-items: flex-start; justify-content: space-between; padding: 8cqw; }
.side-banner .b-copy { flex: none; gap: 3cqw; }
.side-banner .b-title { font-size: 11cqw; }
.side-banner .b-kicker { font-size: 4.2cqw; }
.side-banner .b-cta { font-size: 4.6cqw; padding: 3cqw 6cqw; gap: 2.4cqw; }
.side-banner .b-cta svg { width: 5cqw; height: 5cqw; }
.side-banner .b-art { position: absolute; right: 0; bottom: 0; width: 60%; height: 46%; padding: 0; }
.shop-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 28px; }
.shop-head .title { font-size: 28px; }
.shop-head p { color: var(--muted); font-size: 14px; margin-top: 4px; }
.shop-tools { display: flex; gap: 10px; align-items: center; }
.select { width: auto; min-width: 200px; appearance: none; padding-right: 38px; cursor: pointer;
  /* mũi tên = Lucide chevron-down (ISC) */
  background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%23000000' stroke-width='2' stroke-linecap='round' d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 12px center / 18px; }
.filter-btn { display: none; }
.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.product-grid .product-card { height: 100%; }
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 40px; flex-wrap: wrap; }
.pagination button { min-width: 42px; height: 42px; padding: 0 10px; border-radius: var(--radius); border: 1px solid var(--line); background: #fff; font-weight: 700; transition: .2s; display: grid; place-items: center; }
.pagination button:hover { border-color: var(--ink); }
.pagination button.is-active { background: var(--ink); border-color: var(--ink); color: #fff; }
.pagination button[disabled] { opacity: .35; pointer-events: none; }
.pagination .icon { width: 18px; height: 18px; }
.active-filters { display: flex; flex-wrap: wrap; gap: 8px; margin: -12px 0 24px; }
.active-filters button { display: inline-flex; align-items: center; gap: 6px; padding: 5px 10px; border-radius: 99px; background: var(--cream); border: 1px solid var(--line); font-size: 13px; }
.active-filters .icon { width: 14px; height: 14px; }
.side-panel-head { display: none; }

/* ---------- Product detail ---------- */
.pd-main { display: grid; grid-template-columns: 416px minmax(0, 1fr); gap: 32px; align-items: start; }
.pd-gallery { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.pd-stage { position: relative; aspect-ratio: 1; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: #fff; cursor: zoom-in; }
.pd-stage .safe-art { position: absolute; inset: 7%; transition: opacity .25s; }
.pd-stage .safe-art svg, .pd-stage .safe-art img { width: 100%; height: 100%; object-fit: contain; }
.pd-stage .badge { top: 16px; left: 16px; font-size: 13px; }
.pd-stage-nav { position: absolute; top: 50%; transform: translateY(-50%); width: 40px; height: 40px; border-radius: 50%; background: rgba(255, 255, 255, .9); box-shadow: var(--shadow-card); display: grid; place-items: center; z-index: 2; }
.pd-stage-nav.prev { left: 10px; }
.pd-stage-nav.next { right: 10px; }
.pd-stage-nav .icon { width: 18px; height: 18px; }
.pd-thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.pd-thumbs button { aspect-ratio: 1; border: 1.5px solid var(--line); border-radius: 8px; background: #fff; position: relative; overflow: hidden; transition: border-color .2s; }
.pd-thumbs button.is-active, .pd-thumbs button:hover { border-color: var(--red); }
.pd-thumbs .safe-art { position: absolute; inset: 8%; }
.share { display: flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 700; flex-wrap: wrap; }
.share a, .share button { width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--line); display: grid; place-items: center; transition: .2s; color: var(--ink); background: #fff; }
.share a:hover, .share button:hover { background: var(--red); border-color: var(--red); color: #fff; }
.share .icon { width: 18px; height: 18px; }
.pd-info { display: flex; flex-direction: column; gap: 18px; min-width: 0; }
.pd-title { font-family: var(--f-head); font-size: 30px; line-height: 1.2; text-transform: uppercase; }
.pd-meta { display: flex; flex-wrap: wrap; gap: 6px 20px; font-size: 14px; color: var(--ink-2); }
.pd-meta b { color: var(--ink); }
.pd-meta .ok { color: var(--red); font-weight: 700; }
.pd-price { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; padding: 16px 20px; background: var(--cream); border-radius: var(--radius); }
.pd-price ins { text-decoration: none; color: var(--red); font-family: var(--f-head); font-size: 34px; line-height: 1; }
.pd-price del { color: #666666; font-size: 18px; }
.pd-price .off { background: var(--red); color: #fff; font-weight: 700; font-size: 13px; padding: 3px 8px; border-radius: 4px; }
.pd-row { display: flex; gap: 12px; align-items: flex-start; }
.pd-row > b { flex: 0 0 92px; font-size: 14px; padding-top: 5px; }
.pd-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.swatches { display: flex; flex-wrap: wrap; gap: 8px; }
.swatch { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px 6px 6px; border: 1.5px solid var(--line); border-radius: 99px; font-size: 14px; font-weight: 700; background: #fff; transition: .2s; min-height: 40px; }
.swatch i { width: 26px; height: 26px; border-radius: 50%; box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .15); }
.swatch.is-active { border-color: var(--red); background: var(--red-soft); color: var(--red); }
.qty { display: inline-flex; align-items: center; border: 1px solid #CCCCCC; border-radius: var(--radius); overflow: hidden; height: 48px; background: #fff; flex: none; }
.qty button { width: 44px; height: 100%; display: grid; place-items: center; transition: background .2s; }
.qty button:hover { background: var(--cream); }
.qty .icon { width: 18px; height: 18px; }
.qty input { width: 48px; height: 100%; border: 0; text-align: center; font-weight: 700; font-size: 16px; outline: none; -moz-appearance: textfield; background: transparent; }
.qty input::-webkit-inner-spin-button, .qty input::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
.qty.sm { height: 40px; }
.qty.sm button { width: 36px; }
.qty.sm input { width: 40px; font-size: 14px; }
.pd-buy { display: flex; gap: 12px; flex-wrap: wrap; }
.pd-buy .btn { flex: 1 1 180px; min-height: 48px; }
.pd-hotline { display: flex; align-items: center; gap: 12px; padding: 14px 16px; border: 1px dashed var(--red); border-radius: var(--radius); font-size: 14px; }
.pd-hotline .icon { width: 36px; height: 36px; padding: 8px; border-radius: 50%; background: var(--red); color: #fff; flex: none; }
.pd-hotline a { color: var(--red); font-weight: 700; font-size: 18px; }
.pd-highlights { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 16px; }
.pd-highlights li { display: flex; gap: 8px; font-size: 14px; align-items: flex-start; }
.pd-highlights .icon { width: 20px; height: 20px; color: var(--red); }
.pd-tabs { margin-top: 56px; }
.tab-list { display: flex; gap: 4px; border-bottom: 2px solid var(--line); overflow-x: auto; scrollbar-width: none; }
.tab-list::-webkit-scrollbar { display: none; }
.tab-list button { flex: none; padding: 14px 20px; font-family: var(--f-head); font-size: 17px; color: var(--muted); border-bottom: 3px solid transparent; margin-bottom: -2px; transition: .2s; }
.tab-list button.is-active { color: var(--red); border-color: var(--red); }
.tab-panel { padding-top: 28px; display: none; }
.tab-panel.is-active { display: block; }
.prose > * + * { margin-top: 14px; }
.prose h2 { font-family: var(--f-head); font-size: 24px; line-height: 1.3; margin-top: 32px; scroll-margin-top: 140px; }
.prose h3 { font-size: 18px; font-weight: 700; margin-top: 22px; }
.prose p, .prose li { font-size: 16px; line-height: 1.75; color: var(--ink-2); }
.prose ul { list-style: none; padding: 0; display: grid; gap: 8px; }
.prose ul li { position: relative; padding-left: 26px; }
.prose ul li::before { content: ""; position: absolute; left: 4px; top: .7em; width: 8px; height: 8px; border-radius: 2px; background: var(--red); transform: rotate(45deg); }
.prose strong { color: var(--ink); }
.prose .figure { aspect-ratio: 16 / 8; border-radius: 12px; overflow: hidden; position: relative; container-type: inline-size; margin: 24px 0; }
.prose .figure .thumb { position: absolute; inset: 0; }
.prose .figure .thumb .safe-art { width: 30%; right: 8cqw; bottom: 4cqw; }
.prose .figure .thumb b { font-size: 4.4cqw; max-width: 50%; }
.spec-table { width: 100%; border-collapse: collapse; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; font-size: 15px; }
.spec-table th, .spec-table td { padding: 13px 16px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec-table th { width: 38%; background: var(--cream); font-weight: 700; }
.policy-list { display: grid; gap: 16px; }
.policy-list li { display: flex; gap: 12px; align-items: flex-start; }
.policy-list .icon { width: 40px; height: 40px; padding: 9px; border-radius: 50%; background: var(--red-soft); color: var(--red); flex: none; }
.policy-list b { display: block; font-size: 14px; }
.policy-list span { font-size: 13px; color: var(--ink-2); }
.mini-list { display: grid; gap: 14px; }
.mini-item { display: grid; grid-template-columns: 72px minmax(0, 1fr); gap: 12px; align-items: center; }
.mini-item .mini-img { aspect-ratio: 1; border: 1px solid var(--line); border-radius: 8px; position: relative; background: #fff; }
.mini-item .mini-img .safe-art { position: absolute; inset: 8%; }
.mini-item p { font-size: 14px; font-weight: 700; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.mini-item p:hover { color: var(--red); }
.mini-item ins { text-decoration: none; color: var(--red); font-weight: 700; font-size: 14px; }
.mini-item del { color: #666666; font-size: 12px; margin-left: 6px; }
.pd-side { display: grid; gap: 24px; }

/* ---------- About ---------- */
.values { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.value-card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 32px 24px; display: flex; flex-direction: column; gap: 14px; transition: .25s; }
.value-card:hover { border-color: var(--red); transform: translateY(-4px); box-shadow: var(--shadow-card); }
.value-card .icon { width: 56px; height: 56px; padding: 13px; border-radius: 14px; background: var(--red); color: #fff; }
.value-card h3 { font-family: var(--f-head); font-size: 20px; }
.value-card p { color: var(--ink-2); line-height: 1.7; }
.philosophy { text-align: center; max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; gap: 18px; }
.philosophy .quote-mark { width: 56px; height: 56px; color: var(--red); }
.philosophy p { font-size: 18px; line-height: 1.8; color: var(--ink-2); }
.philosophy p strong { color: var(--ink); }
.timeline { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; position: relative; }
.timeline::before { content: ""; position: absolute; left: 0; right: 0; top: 22px; height: 2px; background: repeating-linear-gradient(90deg, var(--red) 0 8px, transparent 8px 14px); opacity: .5; }
.tl-item { position: relative; padding-top: 60px; }
.tl-item::before { content: ""; position: absolute; top: 12px; left: 0; width: 22px; height: 22px; border-radius: 50%; background: #fff; border: 5px solid var(--red); }
.tl-item b { font-family: var(--f-head); font-size: 26px; color: var(--red); display: block; }
.tl-item h3 { font-size: 17px; margin: 6px 0; }
.tl-item p { color: var(--ink-2); font-size: 14px; line-height: 1.6; }

/* ---------- News ---------- */
.news-feature { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 40px; align-items: center; text-align: left; margin-top: auto; padding-top: 40px; }
.news-feature-img { aspect-ratio: 16 / 10; border-radius: 12px; overflow: hidden; position: relative; container-type: inline-size; box-shadow: 0 20px 50px rgba(0, 0, 0, .35); }
.news-feature-img .thumb { position: absolute; inset: 0; }
.news-feature-copy { display: flex; flex-direction: column; gap: 14px; align-items: flex-start; }
.news-feature-copy h2 { font-family: var(--f-head); font-size: 36px; line-height: 1.2; }
.news-feature-copy h2 a:hover { color: var(--red-60); }
.news-feature-copy p { color: #CCCCCC; font-size: 16px; }
.news-tabs { justify-content: center; margin-bottom: 36px; }
.news-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px 32px; }

/* ---------- Article ---------- */
.toc { display: grid; gap: 4px; counter-reset: toc; }
.toc a { display: flex; gap: 10px; padding: 8px 10px; border-radius: 6px; font-size: 14px; line-height: 1.45; color: var(--ink-2); transition: .2s; counter-increment: toc; }
.toc a::before { content: counter(toc); flex: none; width: 22px; height: 22px; border-radius: 50%; background: var(--cream); display: grid; place-items: center; font-size: 12px; font-weight: 700; }
.toc a:hover, .toc a.is-active { background: var(--red-soft); color: var(--red); }
.toc a.is-active::before { background: var(--red); color: #fff; }
.toc-toggle { display: none; }
.article-foot { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); }
.article-tags { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; font-size: 14px; font-weight: 700; }
.post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 24px; }
.post-nav a { border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; display: flex; flex-direction: column; gap: 4px; transition: .2s; }
.post-nav a:hover { border-color: var(--red); }
.post-nav span { font-size: 13px; color: var(--muted); display: flex; align-items: center; gap: 4px; }
.post-nav span .icon { width: 14px; height: 14px; }
.post-nav b { font-size: 15px; line-height: 1.4; }
.post-nav a.next { text-align: right; align-items: flex-end; }

/* ---------- FAQ ---------- */
.faq-wrap { max-width: 860px; margin: 0 auto; }
.acc { display: grid; gap: 14px; }
.acc-item { border: 1px solid var(--line); border-radius: 12px; background: #fff; transition: border-color .2s, box-shadow .2s; }
.acc-item.is-open { border-color: var(--red); box-shadow: var(--shadow-card); }
.acc-head { width: 100%; display: flex; align-items: center; gap: 14px; padding: 18px 22px; text-align: left; }
.acc-head .q { width: 32px; height: 32px; border-radius: 50%; background: var(--red-soft); color: var(--red); font-family: var(--f-head); display: grid; place-items: center; flex: none; }
.acc-head h3 { flex: 1; font-size: 17px; font-weight: 700; line-height: 1.45; }
.acc-head .pm { width: 22px; height: 22px; position: relative; flex: none; }
.acc-head .pm::before, .acc-head .pm::after { content: ""; position: absolute; left: 3px; right: 3px; top: 50%; height: 2px; margin-top: -1px; background: currentColor; border-radius: 2px; transition: transform .25s; }
.acc-head .pm::after { transform: rotate(90deg); }
.acc-item.is-open .pm::after { transform: rotate(0); }
.acc-item.is-open .acc-head h3 { color: var(--red); }
.acc-body { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .3s; }
.acc-body > div { overflow: hidden; }
.acc-body p { padding: 0 22px 20px 68px; color: var(--ink-2); line-height: 1.75; font-size: 15px; }
.acc-item.is-open .acc-body { grid-template-rows: 1fr; }
.help-box { margin-top: 40px; display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding: 28px 32px; border-radius: 16px; background: var(--ink); color: #fff; }
.help-box h3 { font-family: var(--f-head); font-size: 22px; }
.help-box p { color: #CCCCCC; margin-top: 4px; }
.help-box .actions { display: flex; gap: 10px; flex-wrap: wrap; }
.help-box .btn-outline { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .5); }
.help-box .btn-outline:hover { background: #fff; color: var(--ink); }

/* ---------- Contact ---------- */
.page-banner.tall .container { min-height: 420px; padding-bottom: 160px; }
.contact-block { position: relative; margin-top: -120px; z-index: 2; }
.contact-card { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); background: #fff; border-radius: 16px; box-shadow: 0 20px 60px rgba(0, 0, 0, .14); overflow: hidden; }
.contact-form { padding: 48px; display: flex; flex-direction: column; gap: 24px; }
.contact-form h2 { font-family: var(--f-head); font-size: 30px; }
.contact-form > p { color: var(--ink-2); margin-top: -14px; }
.contact-art { position: relative; min-height: 420px; container-type: inline-size; }
.contact-art .b-deco.mark { opacity: .1; }
.contact-art-copy { position: absolute; left: 8cqw; top: 9cqw; right: 8cqw; display: flex; flex-direction: column; gap: 12px; z-index: 2; }
.contact-art-copy b { font-family: var(--f-head); font-size: max(22px, 5cqw); line-height: 1.15; }
.contact-art-copy span { color: #CCCCCC; max-width: 360px; }
.contact-art .b-art { position: absolute; right: 6cqw; bottom: 0; width: 46%; height: 62%; padding: 0; }
.contact-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; margin-top: 48px; }
.contact-list li { display: flex; gap: 14px; align-items: flex-start; padding: 22px; border: 1px solid var(--line); border-radius: 12px; min-width: 0; }
.contact-list .icon { width: 46px; height: 46px; padding: 11px; border-radius: 50%; background: var(--red); color: #fff; flex: none; }
.contact-list p:first-child { font-size: 13px; color: var(--muted); }
.contact-list p:last-child { font-family: var(--f-head); font-size: 17px; line-height: 1.35; overflow-wrap: anywhere; }
.contact-list a:hover { color: var(--red); }
.map-box { margin-top: 64px; height: 460px; position: relative; background: var(--n-20); overflow: hidden; }
.map-box iframe { width: 100%; height: 100%; border: 0; display: block; }
.map-placeholder { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; text-align: center; padding: 16px; color: var(--ink-2);
  background-image: linear-gradient(var(--n-40) 1px, transparent 1px), linear-gradient(90deg, var(--n-40) 1px, transparent 1px); background-size: 48px 48px; }
.map-placeholder .icon { width: 56px; height: 56px; color: var(--red); }
.map-placeholder b { font-size: 18px; color: var(--ink); }

/* ---------- Cart ---------- */
.cart-layout { display: grid; grid-template-columns: minmax(0, 1fr) 400px; gap: 32px; align-items: start; }
.cart-table { width: 100%; border-collapse: collapse; }
.cart-table th { text-align: left; font-size: 13px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); padding: 0 12px 14px; border-bottom: 2px solid var(--line); }
.cart-table td { padding: 18px 12px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.cart-prod { display: flex; gap: 14px; align-items: center; min-width: 0; }
.cart-prod .mini-img { width: 84px; flex: none; aspect-ratio: 1; border: 1px solid var(--line); border-radius: 8px; position: relative; background: #fff; }
.cart-prod .mini-img .safe-art { position: absolute; inset: 8%; }
.cart-prod a { font-weight: 700; line-height: 1.4; }
.cart-prod a:hover { color: var(--red); }
.cart-prod small { display: block; color: var(--muted); margin-top: 4px; font-size: 13px; }
.cart-price { white-space: nowrap; font-weight: 700; }
.cart-sub { white-space: nowrap; font-weight: 700; color: var(--red); }
.cart-remove { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; color: var(--muted); transition: .2s; }
.cart-remove:hover { background: var(--red-soft); color: var(--red); }
.cart-remove .icon { width: 20px; height: 20px; }
.cart-actions { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-top: 20px; }
.summary { display: grid; gap: 20px; }
.summary-rows { display: grid; gap: 12px; font-size: 15px; }
.summary-rows div { display: flex; justify-content: space-between; gap: 12px; }
.summary-rows .total { padding-top: 14px; border-top: 1px dashed var(--line); font-weight: 700; font-size: 17px; }
.summary-rows .total span:last-child { color: var(--red); font-family: var(--f-head); font-size: 26px; }
.order-done { text-align: center; display: flex; flex-direction: column; align-items: center; gap: 14px; padding: 40px 24px; background: #fff; border-radius: 12px; max-width: 520px; margin: 0 auto; }
.order-done .icon { width: 72px; height: 72px; color: var(--red); }
.order-done h2 { font-family: var(--f-head); font-size: 26px; }
.order-done p { color: var(--ink-2); }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1199px) {
  .layout-side { grid-template-columns: 260px minmax(0, 1fr); gap: 28px; }
  .layout-side.right { grid-template-columns: minmax(0, 1fr) 280px; }
  .pd-main { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .product-grid { gap: 20px; }
  .values { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .contact-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cart-layout { grid-template-columns: minmax(0, 1fr) 340px; }
  .news-grid { gap: 32px 24px; }
}
@media (max-width: 1023px) {
  .page-section { padding: 64px 0; }
  .page-banner h1 { font-size: 38px; }
  .page-banner .container { min-height: 280px; }
  .layout-side, .layout-side.right { grid-template-columns: minmax(0, 1fr); }
  .sticky { position: static; }
  /* shop sidebar → off-canvas */
  .filter-btn { display: inline-flex; min-height: 46px; padding: 10px 16px; font-size: 14px; }
  .shop-side {
    position: fixed; top: 0; left: 0; bottom: 0; z-index: 100; width: min(320px, 86vw); background: #fff; overflow-y: auto;
    padding: 0 16px 24px; transform: translateX(-100%); transition: transform .3s; align-content: start;
  }
  .shop-side.is-open { transform: none; }
  .side-panel-head { display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; background: #fff; padding: 12px 0; border-bottom: 1px solid var(--line); z-index: 1; }
  .side-panel-head b { font-family: var(--f-head); font-size: 18px; }
  .shop-side .side-box { border: 0; padding: 0; }
  .shop-side .side-banner { display: none; }
  .pd-main { grid-template-columns: minmax(0, 1fr); }
  .pd-gallery { max-width: 560px; width: 100%; margin: 0 auto; }
  .pd-side { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pd-side .side-banner { display: none; }
  .timeline { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 32px; }
  .timeline::before { display: none; }
  .news-feature { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .news-feature-copy h2 { font-size: 28px; }
  .news-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .toc-wrap .side-box { padding: 0; overflow: hidden; }
  .toc-toggle { display: flex; width: 100%; align-items: center; justify-content: space-between; padding: 16px 20px; font-family: var(--f-head); font-size: 17px; }
  .toc-toggle .icon { transition: transform .2s; }
  .toc-wrap.is-open .toc-toggle .icon { transform: rotate(180deg); }
  .toc-wrap .side-title { display: none; }
  .toc-wrap .toc { display: none; padding: 0 12px 16px; }
  .toc-wrap.is-open .toc { display: grid; }
  .contact-card { grid-template-columns: minmax(0, 1fr); }
  .contact-art { min-height: 300px; order: -1; }
  .cart-layout { grid-template-columns: minmax(0, 1fr); }
  .promo .hero-slider { aspect-ratio: 16 / 7; }
}
@media (max-width: 767px) {
  .page-section { padding: 48px 0; }
  .page-banner .container { min-height: 220px; padding-bottom: 36px; padding-top: 16px; }
  .page-banner-info { padding-top: 32px; gap: 10px; }
  .page-banner h1 { font-size: 28px; }
  .page-banner p.lead { font-size: 14px; }
  .breadcrumb ol { font-size: 13px; }
  .form-grid.cols-2 { grid-template-columns: 1fr; }
  .newsletter { padding: 40px 20px; gap: 20px; border-radius: 12px; }
  .newsletter-head h2 { font-size: 24px; }
  .newsletter-head p { font-size: 14px; }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 15px; }
  .shop-head { margin-bottom: 20px; }
  .shop-head .title { font-size: 22px; }
  .shop-tools { width: 100%; }
  .shop-tools .select { flex: 1; min-width: 0; }
  .pagination button { min-width: 40px; height: 40px; }
  .pd-title { font-size: 22px; }
  .pd-price ins { font-size: 28px; }
  .pd-row { flex-direction: column; gap: 8px; }
  .pd-row > b { flex: none; padding: 0; }
  .pd-highlights { grid-template-columns: 1fr; }
  .pd-buy .btn { flex-basis: 100%; }
  .pd-side { grid-template-columns: minmax(0, 1fr); }
  .tab-list button { padding: 12px 14px; font-size: 15px; }
  .spec-table { font-size: 14px; }
  .spec-table th, .spec-table td { padding: 11px 12px; }
  .prose h2 { font-size: 20px; }
  .prose p, .prose li { font-size: 15px; }
  .values { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .value-card { padding: 24px 20px; }
  .philosophy p { font-size: 16px; }
  .timeline { grid-template-columns: minmax(0, 1fr); }
  .news-feature-copy h2 { font-size: 22px; }
  .news-grid { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .news-tabs { justify-content: flex-start; }
  .post-nav { grid-template-columns: minmax(0, 1fr); }
  .post-nav a.next { text-align: left; align-items: flex-start; }
  .acc-head { padding: 16px; gap: 12px; }
  .acc-head h3 { font-size: 15px; }
  .acc-body p { padding: 0 16px 18px; font-size: 14px; }
  .help-box { padding: 24px 20px; }
  .help-box .actions, .help-box .actions .btn { width: 100%; }
  .page-banner.tall .container { min-height: 260px; padding-bottom: 110px; }
  .contact-block { margin-top: -80px; }
  .contact-form { padding: 28px 20px; }
  .contact-form h2 { font-size: 24px; }
  .contact-art { min-height: 220px; }
  .contact-list { grid-template-columns: minmax(0, 1fr); gap: 12px; margin-top: 32px; }
  .contact-list li { padding: 16px; }
  .map-box { height: 320px; margin-top: 40px; }
  .promo .hero-slider { aspect-ratio: 343 / 200; }
  .promo .b-text { display: none; }
  .promo .b-title { font-size: 6cqw; }
  .promo .b-kicker { font-size: max(9px, 2.4cqw); }
  /* cart table → cards */
  .cart-table thead { display: none; }
  .cart-table, .cart-table tbody, .cart-table tr, .cart-table td { display: block; width: 100%; }
  .cart-table tr { position: relative; border: 1px solid var(--line); border-radius: 12px; padding: 14px; margin-bottom: 12px; display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: center; }
  .cart-table td { border: 0; padding: 0; }
  .cart-table td:first-child { grid-column: 1 / -1; padding-right: 36px; }
  .cart-table td.cart-price { display: none; }
  .cart-table td:last-child { position: absolute; top: 8px; right: 8px; width: auto; }
  .cart-prod .mini-img { width: 72px; }
}

/* =========================================================
   Scan fixes – trang con (lượt 1)
   ========================================================= */
.breadcrumb a, .breadcrumb [aria-current] { display: inline-block; padding: 6px 0; }
.share a, .share button { width: 40px; height: 40px; }
.contact-list p:last-child { font-size: 16px; }
@media (max-width: 767px) {
  .tab-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; }
  .tab-list button { padding: 10px 4px; font-size: 14px; line-height: 1.3; white-space: normal; text-align: center; }
  .qty.sm { height: 42px; }
  .qty.sm button { width: 40px; }
}
.pd-hotline a, .contact-list a { display: inline-block; padding: 4px 0; }
@media (max-width: 767px) {
  .contact-art-copy { right: 40%; }
  .contact-art .b-art { width: 36%; height: 70%; right: 4%; }
}

/* ---------- Ý nghĩa logo (trang Giới thiệu) ---------- */
.brand-story { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 56px; align-items: center; }
.brand-mark { position: relative; aspect-ratio: 1; border-radius: 16px; background: #fff; border: 1px solid var(--line); display: grid; place-items: center; overflow: hidden;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 40px 40px; background-position: center; }
.brand-mark img { width: 56%; height: auto; position: relative; }
.brand-copy { display: flex; flex-direction: column; gap: 18px; }
.brand-copy p { color: var(--ink-2); font-size: 16px; line-height: 1.8; }
.brand-copy .num { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--red); color: #fff; font-weight: 700; font-size: 14px; margin-right: 10px; vertical-align: 1px; }
.swatch-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 6px; }
.swatch-row span { display: flex; align-items: center; gap: 8px; padding: 6px 12px 6px 6px; border: 1px solid var(--line); border-radius: 99px; font-size: 13px; font-weight: 700; }
.swatch-row i { width: 26px; height: 26px; border-radius: 50%; box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .12); }
@media (max-width: 1023px) { .brand-story { grid-template-columns: minmax(0, 1fr); gap: 32px; } .brand-mark { max-width: 420px; width: 100%; margin: 0 auto; } }
@media (max-width: 767px) { .brand-copy p { font-size: 15px; } }

/* =========================================================
   Brand Guideline v2 / nội dung thật — 31/10/2026
   ========================================================= */
.newsletter-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 8px; position: relative; }
.newsletter-actions .btn { min-height: 50px; }
.pd-note { font-size: 13px; color: var(--k-60); text-align: center; }
.pd-note:empty { display: none; }
.pd-price { align-items: center; }
.pd-price-note { font-size: 14px; color: var(--k-80); }
.pd-hotline .btn-zalo { background: #000; color: #fff; margin-left: auto; min-height: 40px; padding: 8px 16px; font-size: 14px; }
.pd-hotline .btn-zalo:hover { background: var(--red); }
.pd-hotline .btn-zalo .icon { width: 20px; height: 20px; padding: 0; background: none; border-radius: 0; }
.shop-note { margin-top: 24px; font-size: 14px; color: var(--k-60); }
.summary-note { font-size: 13px; color: var(--k-60); line-height: 1.5; margin-top: 12px; }
.field-label { font-size: 14px; font-weight: 700; }
.value-list { display: grid; gap: 8px; }
.value-list li { color: var(--ink-2); line-height: 1.5; padding-left: 14px; position: relative; }
.value-list li::before { content: ""; position: absolute; left: 0; top: .6em; width: 6px; height: 6px; border-radius: 50%; background: var(--red); }
.philosophy p { text-align: left; }
.philosophy .philosophy-tagline { text-align: center; font-family: var(--f-head); font-weight: 700; font-size: 22px; line-height: 1.25; color: var(--red); }
.brand-copy .num { font-family: var(--f-head); }
.stores { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.store-card { display: flex; gap: 16px; align-items: flex-start; padding: 28px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.store-card > .icon { width: 48px; height: 48px; padding: 12px; border-radius: 50%; background: var(--red); color: #fff; flex: none; }
.store-card h3 { font-size: 18px; line-height: 1.25; }
.store-card p { color: var(--ink-2); margin-top: 6px; line-height: 1.5; }
.store-card .more { display: inline-flex; align-items: center; gap: 6px; margin-top: 10px; padding: 6px 0; font-weight: 700; color: var(--red); }
.store-card .more .icon { width: 18px; height: 18px; }
.article-cta { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 40px; padding: 24px; border-radius: 12px; background: var(--n-20); }
.article-cta b { display: block; font-size: 18px; line-height: 1.25; }
.article-cta span { color: var(--ink-2); line-height: 1.5; }
.order-text { white-space: pre-wrap; text-align: left; width: 100%; padding: 16px; border-radius: var(--radius); background: var(--n-20); font: inherit; font-size: 14px; line-height: 1.6; margin: 0; }
.order-actions { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.order-done { max-width: 620px; }
.contact-art.photo-art { background: #000; }
.contact-photo { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 64%; }
.contact-art.photo-art::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0, 0, 0, .88) 0%, rgba(0, 0, 0, .55) 50%, rgba(0, 0, 0, .1) 100%); z-index: 1; }
.contact-art-copy span { max-width: 420px; line-height: 1.5; }
.map-box { height: auto; background: none; overflow: visible; }
.map-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; }
.map-frame { height: 460px; background: var(--n-20); }
.map-frame iframe { width: 100%; height: 100%; border: 0; display: block; }
.policy-nav { display: grid; gap: 4px; }
.policy-nav a { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 6px; font-weight: 700; color: var(--ink-2); }
.policy-nav a:hover { background: var(--red-10); color: var(--red); }
.policy-nav .icon { width: 20px; height: 20px; color: var(--red); }
.policy-doc { display: grid; gap: 24px; }
.policy-item { border: 1px solid var(--line); border-radius: 12px; padding: 28px 32px; scroll-margin-top: 140px; background: #fff; }
.policy-item-head { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.policy-no { width: 44px; height: 44px; border-radius: 50%; background: var(--red); color: #fff; display: grid; place-items: center; font-family: var(--f-head); font-weight: 700; flex: none; }
.policy-no .icon { width: 22px; height: 22px; }
.policy-item h2 { font-family: var(--f-head); font-size: 24px; line-height: 1.25; }
.policy-item ul { display: grid; gap: 10px; }
.policy-item li { position: relative; padding-left: 18px; font-size: 16px; line-height: 1.6; color: var(--ink-2); }
.policy-item li::before { content: ""; position: absolute; left: 0; top: .65em; width: 7px; height: 7px; border-radius: 50%; background: var(--red); }
.policy-contact { background: var(--n-20); }
@media (max-width: 1023px) {
  .policy-side { display: none; }
  .stores { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 767px) {
  .policy-item { padding: 22px 18px; }
  .policy-item h2 { font-size: 20px; }
  .policy-item li { font-size: 15px; }
  .store-card { padding: 20px; }
  .map-frame { height: 360px; }
  .pd-hotline { flex-wrap: wrap; }
  .pd-hotline .btn-zalo { margin-left: 0; }
  .philosophy .philosophy-tagline { font-size: 19px; }
}

/* ---- Sửa sau quét lần 1 ---- */
.prose h2, .policy-item h2, .news-feature-copy h2, .newsletter-head h2, .empty-state h2, .order-done h2, .help-box h3 { line-height: 1.22; }
.mini-item p { line-height: 1.45; }
.philosophy .philosophy-tagline { line-height: 1.45; }
.brand-mark { border: 0; }                                        /* B3: không viền sát logo */
.cart-prod a { display: inline-block; padding: 4px 0; }           /* A7 */
@media (max-width: 767px) {                                       /* B8: nội dung nhiều dòng căn trái */
  .page-banner-info { text-align: left; align-items: flex-start; }
  .page-banner-meta { justify-content: flex-start; }
  .newsletter { text-align: left; }
  .newsletter-actions { justify-content: flex-start; }
}

/* ---- Sửa sau quét lần 2 ---- */
.promo .b-text { font-size: max(12px, 1.6cqw); }
.promo .b-kicker { font-size: max(12px, 1.4cqw); }
.promo .b-cta { font-size: max(12px, 1.5cqw); }
.side-banner .b-kicker { font-size: max(12px, 4.2cqw); }
.side-banner .b-cta { font-size: max(12px, 4.6cqw); }
.acc-head h3 { line-height: 1.22; }
@media (max-width: 767px) { .promo .b-kicker { font-size: 12px; } }

/* ---- Giỏ hàng & đặt hàng (01/11/2026) ---- */
.summary-rows .free { color: var(--red); font-weight: 700; }
.pd-price-note { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; color: var(--red); }
.pd-price-note .icon { width: 20px; height: 20px; }
.btn.is-loading { opacity: .7; pointer-events: none; }
.order-error { padding: 12px 14px; border-radius: var(--radius); background: var(--red-10); color: var(--ink); font-size: 14px; line-height: 1.5; }
.order-error a { color: var(--red); font-weight: 700; }
/* sửa sau kiểm tra lượt 3 */
.empty-state .btn .icon { width: 18px; height: 18px; color: currentColor; margin: 0; }
.pd-hotline .btn-zalo { flex: none; white-space: nowrap; flex-direction: row; }
.empty-state .btn .icon { opacity: 1; }
.pd-hotline .btn-zalo .icon { width: 30px; height: 30px; }

/* Hệ chữ theo Brand Guideline 01/11/2026 — trang con */
.prose h2, .policy-item h2, .news-feature-copy h2, .empty-state h2, .order-done h2, .policy-no { font-weight: 700; }
.side-title, .cat-group-title, .field label, .field-label, .breadcrumb [aria-current], .pagination button, .spec-table th,
.prose h3, .acc-head h3, .acc-head .q, .tab-list button, .toc-toggle, .contact-list p:last-child, .mini-item p, .cart-prod a,
.cart-price, .store-card h3, .store-card .more, .value-card h3, .tl-item h3, .help-box h3, .policy-nav a, .share, .swatch-row span,
.article-tags, .cat-list a.is-active, .summary-rows .free, .pd-price-note, .order-error a, .pd-meta b, .side-panel-head b,
.qty input, .toc a::before, .brand-copy .num, .contact-form h2, .article-cta b { font-weight: 500; }
.chip, .pd-hotline .btn-zalo { font-weight: 500; }   /* G3: nhãn = Medium */

/* ---- Phản hồi 01/11 (đợt 4): khối kêu gọi tư vấn cuối trang ---- */
.newsletter { flex-direction: row; align-items: center; justify-content: space-between; text-align: left; gap: 40px; padding: 52px 64px; isolation: isolate; }
.newsletter-head { max-width: 640px; }
.newsletter-kicker { margin: 0 0 10px !important; font-size: 13px !important; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; color: #fff !important; opacity: .85; }
.newsletter-head p { color: rgba(255, 255, 255, .92); line-height: 1.6; }
.newsletter-actions { flex: none; margin-top: 0; justify-content: flex-end; }
.newsletter-actions .btn { min-height: 52px; padding: 0 26px; }
@media (max-width: 1023px) {
  .newsletter { flex-direction: column; align-items: flex-start; padding: 44px 36px; gap: 24px; }
  .newsletter-actions { justify-content: flex-start; }
}
@media (max-width: 767px) {
  .newsletter { padding: 36px 20px; }
  .newsletter-actions { width: 100%; }
  .newsletter-actions .btn { flex: 1 1 200px; }
}
.btn .i-zalo { width: 30px; height: 30px; margin: -6px -2px; }

/* ---- Phản hồi 02/11 ---- */
/* radio trong form: không nhận kiểu ô nhập (lỗi khung hồng khi bấm) */
.field .radio input, .field .radio input:focus { width: 18px; height: 18px; min-height: 0; padding: 0; border: 0; border-radius: 50%; background: none; box-shadow: none; margin-top: 2px; }
.radio:has(input:focus-visible) { outline: 2px solid var(--red); outline-offset: 2px; }
.radio b { font-size: 15px; }
.radio span { font-size: 14px; font-weight: 400; color: var(--k-80); }

/* nền banner trang con = ảnh phòng két (như khối Danh mục trang chủ) */
.page-banner-bg { background: #000 url("../img/danh-muc-nen.webp") 50% 50% / cover no-repeat; }
.page-banner-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0, 0, 0, .72) 0%, rgba(0, 0, 0, .55) 50%, rgba(0, 0, 0, .78) 100%); }

/* khối giá trang chi tiết */
.pd-price { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; padding: 20px; align-items: stretch; }
.pd-price-main { grid-column: 1 / -1; display: flex; align-items: baseline; gap: 14px; }
.pd-price-main span { font-size: 15px; color: var(--k-80); }
.pd-price .btn { min-height: 48px; justify-content: center; padding: 0 16px; font-size: 15px; }
.pd-price .btn .icon { width: 20px; height: 20px; }
.pd-price .pd-price-note { grid-column: 1 / -1; margin: 2px 0 0; font-size: 14px; }
.pd-price .pd-price-note .icon { width: 20px; height: 20px; }
@media (max-width: 479px) { .pd-price { grid-template-columns: 1fr; } }

/* hộp bên: tiêu đề – icon – chữ cân nhau */
.side-title { font-size: 18px; gap: 10px; }
.side-title .icon { width: 20px; height: 20px; }
.policy-nav { margin: 0 -12px; gap: 2px; }
.policy-nav a { gap: 10px; font-size: 15px; font-weight: 500; padding: 9px 12px; }
.policy-nav .icon { width: 20px; height: 20px; }
.policy-list { gap: 14px; }
.policy-list li { align-items: center; }
.policy-list .icon { width: 36px; height: 36px; padding: 8px; }
.policy-list b { font-size: 15px; font-weight: 500; line-height: 1.3; }
.policy-list span { display: block; font-size: 14px; line-height: 1.4; color: var(--k-80); }

/* khối hỗ trợ FAQ + CTA bài viết */
.help-box p { color: rgba(255, 255, 255, .9); }
.help-box p b { color: #fff; }
.help-box .btn { min-height: 50px; }
.article-cta-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.article-cta-actions .btn { min-height: 46px; }

/* trang Liên hệ: kênh kết nối */
.contact-social { margin-top: 48px; display: grid; gap: 24px; }
.contact-social .title { font-size: 28px; }
.contact-social p { margin-top: 6px; color: var(--k-80); }
.social-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
.social-item { display: flex; align-items: center; gap: 12px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 12px; height: 100%; transition: border-color .2s, background .2s; }
a.social-item:hover { border-color: var(--red); background: var(--red-10); }
.social-ic { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: #000; color: #fff; flex: none; }
.social-ic .icon { width: 22px; height: 22px; }
.social-ic .i-zalo { width: 30px; height: 30px; }
.social-item b { display: block; font-size: 15px; font-weight: 500; line-height: 1.3; }
.social-item small { display: block; font-size: 13px; color: var(--k-80); line-height: 1.4; }
.social-item.is-soon { opacity: .7; }
@media (max-width: 767px) { .contact-social .title { font-size: 22px; } .social-list { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* giỏ hàng = trang thanh toán (bố cục ketsat.vn/thanh-toan) */
.checkout { display: grid; gap: 24px; max-width: 1000px; margin: 0 auto; }
.checkout-top { position: relative; display: flex; justify-content: center; align-items: center; min-height: 40px; }
.checkout-back { position: absolute; left: 0; top: 50%; transform: translateY(-50%); display: inline-flex; align-items: center; gap: 6px; color: var(--red); font-weight: 500; font-size: 15px; padding: 6px 0; }
.checkout-back .icon { width: 18px; height: 18px; }
.checkout-title { font-family: var(--f-head); font-size: 28px; font-weight: 700; text-align: center; }
.checkout .side-box { padding: 24px; }
.checkout .side-title { padding-bottom: 14px; margin-bottom: 18px; border-bottom: 1px solid var(--line); }
.order-head, .order-lines li { display: grid; grid-template-columns: minmax(0, 1fr) 140px 130px 40px; gap: 16px; align-items: center; }
.order-head { font-size: 15px; font-weight: 500; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.order-lines li { padding: 18px 0; border-bottom: 1px solid var(--line); }
.order-prod { display: flex; align-items: center; gap: 14px; min-width: 0; }
.order-prod > a:last-child { font-weight: 500; font-size: 15px; line-height: 1.35; }
.order-prod .mini-img { width: 72px; height: 72px; flex: none; border: 1px solid var(--line); border-radius: 8px; position: relative; background: #fff; overflow: hidden; }
.order-price a { color: var(--red); font-weight: 700; }
.order-lines .cart-remove { justify-self: end; }
.checkout-cart .summary-rows { margin-top: 18px; }
.checkout-form { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 24px; align-items: start; }
.checkout-pay { display: grid; gap: 16px; }
.checkout-pay .side-title { margin-bottom: 2px; }
.checkout-pay .summary-note { margin: 0; }
.checkout-submit { min-height: 52px; font-size: 16px; }
@media (max-width: 1023px) { .checkout-form { grid-template-columns: minmax(0, 1fr); } .checkout-pay { order: 0; } }
@media (max-width: 767px) {
  .checkout-top { flex-direction: column; gap: 8px; }
  .checkout-back { position: static; transform: none; align-self: flex-start; }
  .checkout-title { font-size: 22px; }
  .checkout .side-box { padding: 18px 16px; }
  .order-head { display: none; }
  .order-lines li { grid-template-columns: minmax(0, 1fr) auto; grid-template-areas: "prod rm" "price qty"; gap: 12px; }
  .order-prod { grid-area: prod; } .order-price { grid-area: price; } .order-lines .qty { grid-area: qty; justify-self: end; } .order-lines .cart-remove { grid-area: rm; align-self: start; }
  .order-prod .mini-img { width: 60px; height: 60px; }
}
.order-prod .mini-img .safe-art { position: absolute; inset: 8%; }
.pd-price { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.pd-price .btn { white-space: nowrap; font-size: 14px; padding: 0 10px; gap: 8px; }
.pd-price .btn .icon { width: 18px; height: 18px; }
.pd-price .pd-price-note { align-items: flex-start; }
.pd-price .pd-price-note .icon { margin-top: 0; }
.order-price a { display: inline-block; padding: 12px 0; }
@media (max-width: 767px) {
  .order-lines li { grid-template-columns: minmax(0, 1fr) auto 40px; grid-template-areas: "prod prod rm" "price qty qty"; }
  .order-lines .qty { justify-self: end; margin-right: 0; }
}
@media (max-width: 479px) {
  .social-list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .social-item { flex-direction: column; text-align: center; gap: 8px; padding: 14px 8px; }
}
.order-prod > a:last-child { display: inline-block; padding: 6px 0; }   /* A7: vùng bấm ≥ 24px */

/* ---- Hệ cân xứng 02/11 (K) ---- */
.btn { min-height: 48px; font-size: 15px; }
.btn .icon { width: 20px; height: 20px; }
.newsletter-actions .btn, .help-box .btn, .article-cta-actions .btn, .checkout-submit { min-height: 48px; font-size: 15px; }

/* trang chi tiết: khối giá – hàng nhãn – nút */
.pd-price { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; padding: 18px 20px; }
.pd-price-main { display: flex; align-items: baseline; gap: 12px; }
.pd-price-main span { font-size: 15px; color: var(--k-80); }
.pd-price ins { font-size: 30px; line-height: 1.1; }
.pd-price .pd-price-note { display: flex; align-items: center; gap: 8px; margin: 0; font-size: 15px; font-weight: 500; line-height: 1.4; color: var(--red); }
.pd-price .pd-price-note .icon { width: 20px; height: 20px; flex: none; margin: 0; }
.pd-row { flex-direction: row; align-items: flex-start; gap: 12px; }
.pd-row > b { flex: 0 0 96px; font-size: 15px; font-weight: 500; padding: 0; min-height: 36px; display: flex; align-items: center; }
.pd-row:has(.qty) > b { min-height: 48px; }
.pd-chips { gap: 8px; }
.pd-chips .chip { min-height: 36px; padding: 0 14px; font-size: 14px; font-weight: 500; }
.pd-actions { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; }
.pd-actions .btn { min-height: 48px; padding: 0 12px; font-size: 15px; white-space: nowrap; }
.pd-highlights { gap: 12px 20px; }
.pd-highlights li { font-size: 15px; line-height: 1.45; gap: 10px; }
.pd-highlights .icon { width: 20px; height: 20px; margin-top: 1px; flex: none; }
@media (max-width: 767px) { .pd-row > b { flex-basis: 84px; } }

/* hộp "Chính sách" bên phải: icon tiêu đề nằm giữa cột vòng tròn, chữ tiêu đề thẳng mép chữ các mục */
.side-box:has(.policy-list) .side-title { gap: 12px; }
.side-box:has(.policy-list) .side-title .icon { width: 36px; height: 20px; }
.policy-list li { gap: 12px; }

/* thẻ liên hệ: icon tròn bên trái, chữ bên phải — giống nhau ở mọi bề rộng */
.contact-list li { flex-direction: row; align-items: center; gap: 14px; padding: 20px; }
.contact-list .icon { width: 44px; height: 44px; padding: 12px; }
.contact-list p:first-child { font-size: 14px; line-height: 1.4; }
.contact-list p:last-child { font-size: 16px; line-height: 1.4; }

/* bản đồ: nút Chỉ đường + địa chỉ */
.map-tools { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.map-tools .tab { min-height: 44px; }
.map-addr { display: flex; align-items: center; gap: 8px; margin: -8px auto 16px; font-size: 15px; color: var(--k-80); }
.map-addr .icon { width: 20px; height: 20px; color: var(--red); flex: none; }

/* nền banner: chỉ lấy vùng tường + cửa két, không lộ dải sàn tối ở đáy ảnh (mọi bề rộng) */
.page-banner-bg { background: #000; overflow: hidden; }
.page-banner-bg::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: max(210%, 56.25vw); transform: translateY(-14%); background: url("../img/danh-muc-nen.webp") 50% 50% / cover no-repeat; }
/* (thay cách trên) cửa két (≈48,4% chiều cao ảnh) nằm CHÍNH GIỮA banner, mép sàn (65%) trùng đáy banner → không lộ dải tối */
.page-banner-bg::before { content: none; }
.page-banner-bg { background: #000 url("../img/danh-muc-nen.webp") 50% 47.6% / auto 302% no-repeat; }
/* ô số lượng: co đúng nội dung, 3 phần lấp kín khung (không hở nền hover) */
.qty { width: max-content; justify-self: start; }
.qty button { flex: none; }
.qty input { flex: none; }
.order-lines .qty { justify-self: start; }
@media (max-width: 767px) { .order-lines .qty { justify-self: end; } }

/* Tin tức: banner = tiêu đề giữa + 3 thẻ bài viết (theo ketsat.vn/tin-tuc) */
.news-feature { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin-top: 32px; padding-top: 0; align-items: stretch; }
.news-feature-card { display: flex; gap: 0; min-width: 0; border-radius: 8px; overflow: hidden; background: rgba(255, 255, 255, .1); -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px); text-align: left; }
.news-feature-card .news-feature-img { flex: 0 0 42%; aspect-ratio: auto; min-height: 128px; border-radius: 0; box-shadow: none; }
.news-feature-card .news-feature-copy { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 6px; align-items: flex-start; padding: 12px 14px; }
.news-feature-meta { display: flex; gap: 10px; font-size: 13px; color: rgba(255, 255, 255, .75); }
.news-feature-meta span + span::before { content: "·"; margin-right: 10px; }
.news-feature-card h2 { font-family: var(--f-body); font-size: 15px; font-weight: 500; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-feature-card h2 a:hover { color: var(--red-60); }
.news-feature-more { margin-top: auto; display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 500; color: var(--red-60); padding: 4px 0; }
.news-feature-more .icon { width: 16px; height: 16px; }
@media (max-width: 1023px) { .news-feature { grid-template-columns: minmax(0, 1fr); gap: 12px; max-width: 560px; margin-left: auto; margin-right: auto; } }
@media (max-width: 767px) { .news-feature-card .news-feature-img { flex-basis: 38%; min-height: 104px; } }

/* ---- Trang thanh toán theo ketsat.vn/thanh-toan (02/11) ---- */
.checkout-hero { padding: 36px 0 0; }
.checkout-crumb ol { justify-content: center; }
.checkout-crumb a, .checkout-crumb li { color: var(--k-60); }
.checkout-crumb [aria-current] { color: var(--ink); font-weight: 500; }
.checkout-crumb li + li::before { color: var(--k-40); }
.checkout-section { padding: 20px 0 80px; }
.checkout { max-width: none; gap: 24px; }
.checkout-top { min-height: 56px; }
.checkout-title { font-size: 30px; font-weight: 700; line-height: 1.25; }
.checkout-back { font-size: 15px; }
.checkout .side-box { border: 0; border-radius: 8px; box-shadow: 0 2px 24px rgba(0, 0, 0, .08); padding: 24px 28px; }
.checkout .side-title { font-size: 18px; font-weight: 500; padding-bottom: 14px; margin-bottom: 20px; border-bottom: 1px solid var(--line); }
.order-head { font-size: 16px; font-weight: 500; color: var(--ink); padding-bottom: 16px; }
.order-head, .order-lines li { grid-template-columns: minmax(0, 1fr) 180px 160px 40px; }
.order-lines li { padding: 20px 0; }
.order-prod .mini-img { width: 80px; height: 80px; }
.order-prod > a:last-child { font-size: 16px; }
.order-price a { font-size: 16px; }
.checkout-cart .summary-rows { margin-top: 20px; gap: 12px; font-size: 15px; }
.checkout-cart .summary-rows .total { padding-top: 12px; font-size: 16px; font-weight: 500; }
.checkout-cart .summary-rows .total span:last-child { font-family: var(--f-head); font-size: 18px; font-weight: 700; color: var(--red); }
.checkout-form { grid-template-columns: minmax(0, 1.6fr) minmax(320px, 1fr); }
.checkout-info .field label { font-size: 14px; font-weight: 500; }
.checkout-info .form-grid { gap: 18px 20px; }
/* phương thức thanh toán: dòng radio + icon, ô ghi chú hiện dưới lựa chọn đang chọn */
.pay-list { display: grid; gap: 4px; }
.pay-opt { display: flex; align-items: center; gap: 12px; min-height: 44px; cursor: pointer; font-size: 15px; font-weight: 500; }
.pay-opt input { width: 18px; height: 18px; margin: 0; accent-color: var(--red); flex: none; }
.pay-opt .icon { width: 20px; height: 20px; color: var(--ink); flex: none; }
.pay-note { display: none; margin: 2px 0 8px 30px; padding: 12px 14px; border-radius: 6px; background: var(--cream); font-size: 14px; line-height: 1.5; color: var(--k-80); }
.pay-opt:has(input:checked) + .pay-note { display: block; }
.pay-opt:has(input:focus-visible) { outline: 2px solid var(--red); outline-offset: 2px; border-radius: 4px; }
.checkout-pay { gap: 14px; }
.checkout-pay .checkout-submit { margin-top: 6px; }
@media (max-width: 1023px) { .checkout-form { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 767px) {
  .checkout-hero { padding-top: 20px; }
  .checkout-title { font-size: 22px; }
  .checkout .side-box { padding: 18px 16px; }
  .order-lines li { grid-template-columns: minmax(0, 1fr) auto 40px; }
}
.news-feature-meta { flex-wrap: nowrap; white-space: nowrap; min-width: 0; max-width: 100%; gap: 8px; }
.news-feature-meta span:first-child { overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.news-feature-meta span + span { flex: none; }
.news-feature-meta span + span::before { margin-right: 8px; }
/* kênh kết nối: thẻ dọc (icon trên – tên – số/ghi chú), 1 hàng ở desktop, không gãy chữ */
.social-list { grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 12px; }
.social-item { flex-direction: column; text-align: center; justify-content: center; gap: 8px; padding: 16px 8px; }
.social-item b, .social-item small { white-space: nowrap; }
@media (max-width: 1279px) { .social-list { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (max-width: 479px) { .social-list { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
/* tab bản đồ cao bằng nút Chỉ đường */
.map-tools .tabs { padding-bottom: 0; }
.map-tools .tab { min-height: 48px; display: inline-flex; align-items: center; padding: 0 18px; font-size: 15px; }
.news-feature-meta { align-items: center; gap: 6px; }
.news-feature-meta .icon { width: 15px; height: 15px; flex: none; }
.news-feature-meta span + span::before { content: none; }
.news-feature-card h2 { line-height: 1.25; }      /* B8: tiêu đề 1,14–1,26 */
.contact-list p:first-child, .contact-list p:last-child { line-height: 1.5; }   /* B8: chữ thường ≥ 1,44 */
/* ảnh nền banner luôn phủ kín bề ngang, kể cả màn rất rộng */
.page-banner-bg { background-size: auto max(302%, 56.25vw); }
@media (max-width: 767px) { .order-prod > a:last-child { font-size: 15px; } .order-prod { gap: 12px; } }
.page-banner .news-feature-meta, .page-banner .news-feature-meta span { font-size: 13px; line-height: 1.4; color: rgba(255, 255, 255, .75); }

/* ---- Chuẩn icon trong vòng tròn (02/11): icon ≈ 55% đường kính ---- */
.contact-list .icon { width: 48px; height: 48px; padding: 11px; }          /* 26/48 */
.policy-list .icon { width: 40px; height: 40px; padding: 9px; }            /* 22/40 */
.store-card > .icon { width: 48px; height: 48px; padding: 11px; }
.social-ic .icon { width: 24px; height: 24px; }                            /* 24/44 */
.social-ic .i-zalo { width: 30px; height: 30px; }
/* hộp "Chính sách": icon tiêu đề cùng cỡ vòng tròn các mục (nền đỏ đậm để làm tiêu đề) */
.side-box:has(.policy-list) .side-title .icon { width: 40px; height: 40px; padding: 9px; border-radius: 50%; background: var(--red); color: #fff; }
.side-box:has(.policy-list) .side-title { gap: 12px; font-size: 18px; }
/* thẻ liên hệ: lưới 2×2 → địa chỉ nằm 1 dòng, thẻ cân nhau */
.contact-list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.contact-list li { padding: 22px 24px; gap: 16px; }
@media (max-width: 767px) { .contact-list { grid-template-columns: minmax(0, 1fr); gap: 12px; } .contact-list li { padding: 16px; } }

/* Tin tức: nền ảnh cửa két tròn (ảnh chủ shop gửi), không còn 3 ô bài viết trong banner */
.news-banner .page-banner-bg { background: #000 url("../img/tin-tuc-nen.jpg") 50% 50% / cover no-repeat; }
/* dải banner khuyến mãi: chấm chuyển slide nhìn rõ trên nền đỏ/đen */
.promo .hero-dots button { background: rgba(255, 255, 255, .45); box-shadow: none; }
.promo .hero-dots button.is-active { background: #fff; }
/* chữ nhiều dòng chia đều, không để 1–2 chữ lẻ ở dòng cuối */
.page-banner p.lead, .page-banner h1, .title, .newsletter-head h2, .newsletter-head p, .help-box p, .empty-state p { text-wrap: balance; }

/* ---- Soát mắt 02/11 ---- */
/* 4 cam kết trang SP: 1 cột → mỗi dòng nằm trọn, không gãy 3 dòng */
.pd-highlights { grid-template-columns: minmax(0, 1fr); gap: 10px; }
/* logo Zalo trong nút tròn chia sẻ */
.share .i-zalo { width: 28px; height: 28px; }
.share a, .share button { width: 40px; height: 40px; }
.share .icon:not(.i-zalo) { width: 20px; height: 20px; }
/* tab mô tả SP không gãy dòng trên mobile */
/* ảnh trong banner khuyến mãi phủ kín khung (không lọt trong ô trắng) */
.promo .b-art.photo-card img { aspect-ratio: 4 / 3; object-fit: cover; background: none; width: 92%; max-width: 420px; }
/* banner "Ghé showroom" bên phải trang SP: ảnh showroom thật */
.side-banner.photo-banner .b-photo { position: absolute; inset: 0; z-index: 0; }
.side-banner.photo-banner .b-photo img { width: 100%; height: 100%; object-fit: cover; }
.side-banner.photo-banner::after { content: ""; position: absolute; inset: 0; z-index: 0; background: linear-gradient(180deg, rgba(0, 0, 0, .78) 0%, rgba(0, 0, 0, .35) 60%, rgba(0, 0, 0, .55) 100%); }
.side-banner.photo-banner .b-inner { position: relative; z-index: 1; }
.map-addr b { color: var(--ink); font-weight: 500; }
@media (max-width: 479px) { .social-list li:last-child:nth-child(odd) { grid-column: span 2; } }
/* tab mô tả SP ở mobile: 3 tab co theo chữ, mỗi tab 1 dòng */
@media (max-width: 767px) {
  .tab-list { display: flex; justify-content: space-between; }
  .tab-list button { flex: 1 1 auto; white-space: nowrap; padding: 12px 8px; font-size: 14px; }
}
@media (max-width: 374px) { .tab-list button { font-size: 13px; padding: 12px 6px; } }
/* kênh kết nối: hàng cuối luôn căn giữa (không để ô trống lệch một bên) */
.social-list { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.social-list > li { flex: 1 1 0; min-width: 0; }
@media (max-width: 1279px) { .social-list > li { flex: 0 0 calc((100% - 36px) / 4); } }
@media (max-width: 479px) { .social-list { gap: 10px; } .social-list > li, .social-list li:last-child:nth-child(odd) { flex: 0 0 calc((100% - 10px) / 2); grid-column: auto; } }

/* ---- Banner đầu trang: cùng nền phòng két + cùng chiều cao ở mọi trang (theo trang Sản phẩm) ---- */
.news-banner .page-banner-bg { background: #000 url("../img/danh-muc-nen.webp") 50% 47.6% / auto max(302%, 56.25vw) no-repeat; }
.page-banner .container { height: 340px; min-height: 0; }
/* Liên hệ: khung form đè lên đáy banner 120px → banner cao thêm đúng 120px để phần nhìn thấy vẫn 340px */
.page-banner.tall .container { height: 460px; min-height: 0; padding-bottom: 160px; }
@media (max-width: 1023px) {
  .page-banner .container { height: 280px; }
  .page-banner.tall .container { height: 400px; padding-bottom: 150px; }
}
@media (max-width: 767px) {
  .page-banner .container { height: 260px; padding-bottom: 28px; }
  .page-banner.tall .container { height: 340px; padding-bottom: 110px; }
  .js-article-banner h1 { font-size: 24px; }
  .js-article-banner .page-banner-info { gap: 8px; padding-top: 16px; }
}
/* banner bài viết trên mobile: breadcrumb bỏ mục cuối (tên bài đã là tiêu đề) để vừa chiều cao chuẩn */
@media (max-width: 767px) { .js-article-banner .breadcrumb li:last-child { display: none; } .js-article-banner .breadcrumb li:nth-last-child(2) span, .js-article-banner .breadcrumb li:nth-last-child(2) a { font-weight: 500; } }
@media (max-width: 374px) { .js-article-banner h1 { font-size: 21px; } .js-article-banner .page-banner-meta { font-size: 12px; gap: 10px; } }
/* Liên hệ: ảnh nền tính theo phần nhìn thấy (giống mọi trang), không theo chiều cao cả banner */
.page-banner.tall .page-banner-bg { background-size: auto max(1027px, 56.25vw); background-position: 50% calc(170px - 0.484 * max(1027px, 56.25vw)); }
@media (max-width: 1023px) { .page-banner.tall .page-banner-bg { background-size: auto max(846px, 56.25vw); background-position: 50% calc(140px - 0.484 * max(846px, 56.25vw)); } }
@media (max-width: 767px) { .page-banner.tall .page-banner-bg { background-size: auto max(785px, 56.25vw); background-position: 50% calc(130px - 0.484 * max(785px, 56.25vw)); } }
/* kênh kết nối 8 thẻ (thêm Email): 4 + 4 ở máy tính/máy tính bảng, 2 cột ở điện thoại */
.social-list > li { flex: 0 0 calc((100% - 36px) / 4); }
@media (max-width: 479px) { .social-list > li { flex: 0 0 calc((100% - 10px) / 2); } }
.social-item small { white-space: nowrap; }
.social-item[href^="mailto"] small { white-space: normal; }   /* email xuống dòng ở "@" khi thẻ hẹp */
.checkout-section { padding-top: 40px; }
.social-item { justify-content: flex-start; }   /* icon + tên các thẻ cùng hàng luôn thẳng hàng dù thẻ Email có 2 dòng */
/* cụm 4 nút mua hàng: luôn 2 × 2 (không để 3 + 1); điện thoại hẹp 1 cột */
.pd-actions { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 479px) { .pd-actions { grid-template-columns: minmax(0, 1fr); } }
/* breadcrumb trang SP trên điện thoại: bỏ mục "Sản phẩm" để cả dòng nằm 1 hàng (Trang chủ › Két sắt … › Mã) */
@media (max-width: 479px) { .breadcrumb-bar .js-crumbs li:nth-child(2) { display: none; } }
.philosophy-tagline { text-wrap: balance; }
@media (min-width: 1024px) and (max-width: 1279px) { .pd-actions { grid-template-columns: minmax(0, 1fr); } }   /* cột thông tin hẹp → 1 cột để chữ không tràn nút */
/* ảnh SP: nút trượt theo mẫu chung (giữa mép ở ≥1280, sát trong 4px ở 1024–1279) */
.pd-stage-nav { width: 44px; height: 44px; background: #fff; box-shadow: var(--shadow-card); }
.pd-stage-nav .icon { width: 20px; height: 20px; }
.pd-stage-nav.prev { left: -22px; }
.pd-stage-nav.next { right: -22px; }
@media (max-width: 1279px) { .pd-stage-nav.prev { left: 4px; } .pd-stage-nav.next { right: 4px; } }
.pd-stage { overflow: visible; }

/* ---- Banner quảng cáo (02/11) — bố cục banner ảnh ketsat.vn: ảnh két trái · chữ phải · nền tối ---- */
.promo-banner { position: relative; display: grid; grid-template-columns: 46% 1fr; align-items: center; aspect-ratio: 1216 / 450; border-radius: 8px; overflow: hidden; background: #000 url("../img/danh-muc-nen.webp") 50% 47.6% / cover no-repeat; color: #fff; container-type: inline-size; isolation: isolate; }
.promo-banner::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(0, 0, 0, .25) 0%, rgba(0, 0, 0, .72) 48%, rgba(0, 0, 0, .82) 100%); }
.promo-photo { height: 100%; position: relative; }
.promo-photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 50%; -webkit-mask-image: linear-gradient(90deg, #000 62%, transparent 100%); mask-image: linear-gradient(90deg, #000 62%, transparent 100%); }
.promo-copy { padding: 0 6cqw 0 3cqw; display: flex; flex-direction: column; align-items: flex-start; gap: 2cqw; }
.promo-kicker { display: inline-block; padding: .6cqw 1.4cqw; border-radius: 99px; background: var(--red); font-size: max(12px, 1.25cqw); font-weight: 500; letter-spacing: .04em; }
.promo-title { font-family: var(--f-head); font-weight: 700; font-size: 4cqw; line-height: 1.15; text-transform: uppercase; text-wrap: balance; }
.promo-title em { display: block; font-style: normal; color: var(--red-60); }
.promo-feats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.2cqw 2.4cqw; font-size: max(13px, 1.4cqw); font-weight: 500; }
.promo-feats li { display: flex; align-items: center; gap: .8cqw; }
.promo-feats .icon { width: max(18px, 2cqw); height: max(18px, 2cqw); color: var(--red-60); flex: none; }
.promo-cta { margin-top: .4cqw; }
.promo-banner:hover .promo-cta { background: var(--red-dark); }
@media (max-width: 767px) {
  .promo-banner { grid-template-columns: minmax(0, 1fr); aspect-ratio: auto; }
  .promo-banner::before { background: linear-gradient(180deg, rgba(0, 0, 0, .1) 0%, rgba(0, 0, 0, .78) 42%, rgba(0, 0, 0, .86) 100%); }
  .promo-photo { height: auto; aspect-ratio: 16 / 9; }
  .promo-photo img { -webkit-mask-image: linear-gradient(180deg, #000 70%, transparent 100%); mask-image: linear-gradient(180deg, #000 70%, transparent 100%); }
  .promo-copy { padding: 4px 20px 24px; gap: 14px; }
  .promo-kicker { padding: 5px 12px; }
  .promo-title { font-size: 26px; }
  .promo-feats { gap: 10px 16px; font-size: 14px; }
  .promo-feats li { gap: 8px; }
}
@media (max-width: 374px) { .promo-feats { grid-template-columns: minmax(0, 1fr); } }

/* ---- Khối tư vấn cuối trang (02/11) — bố cục "Đăng ký nhận tin" ketsat.vn: nền đỏ, mọi thứ căn giữa ---- */
.newsletter { flex-direction: column; align-items: center; justify-content: center; text-align: center; gap: 22px; padding: 52px 32px; border-radius: 8px; background: var(--red); min-height: 300px; }
.newsletter-head { max-width: 680px; display: flex; flex-direction: column; align-items: center; }
.newsletter-kicker { margin: 0 0 8px !important; }
.newsletter-head h2 { font-size: 30px; }
.newsletter-head p { margin-top: 10px; }
.newsletter-actions { justify-content: center; width: auto; margin-top: 4px; }
.newsletter-actions .btn { min-width: 220px; }
@media (max-width: 1023px) { .newsletter { align-items: center; padding: 44px 28px; } .newsletter-actions { justify-content: center; } }
@media (max-width: 767px) {
  .newsletter { text-align: center; align-items: center; padding: 36px 20px; min-height: 0; }
  .newsletter-head h2 { font-size: 24px; }
  .newsletter-actions { width: 100%; justify-content: center; }
  .newsletter-actions .btn { min-width: 0; flex: 1 1 100%; }
}
.promo-feats li { white-space: nowrap; }
@media (max-width: 767px) { .promo-feats { grid-template-columns: minmax(0, 1fr); gap: 10px; } }
@media (max-width: 1023px) { .pd-stage-nav { display: none; } }   /* đồng bộ nút trượt: ẩn dưới 1024 (vuốt / ảnh nhỏ) */
@media (max-width: 1023px) { .promo-feats { grid-template-columns: minmax(0, 1fr); gap: 10px; } }
.promo-title { line-height: 1.18; margin: 0; }
@media (min-width: 768px) and (max-width: 1023px) { .promo-banner { aspect-ratio: auto; min-height: 340px; } .promo-copy { padding-top: 32px; padding-bottom: 32px; gap: 16px; } .promo-title { font-size: 30px; } .promo-feats { font-size: 15px; } }

/* ---- Vòng 03/11 ---- */
/* banner promo: ảnh két giữ nguyên, cắt thẳng mép (không mờ dần chồng lên nền phòng két) */
.promo-photo { overflow: hidden; }
.promo-photo img { -webkit-mask-image: none; mask-image: none; }
.promo-banner { background-position: 100% 47.6%; }
.promo-banner::before { background: linear-gradient(90deg, rgba(0, 0, 0, .78) 0%, rgba(0, 0, 0, .82) 100%); }
@media (max-width: 767px) { .promo-banner::before { background: rgba(0, 0, 0, .8); } }
/* breadcrumb dưới menu: chung nền trắng với nội dung trang */
.breadcrumb-bar { background: #fff; border-bottom: 0; }
/* hộp Chính sách: icon tiêu đề = khiên đỏ không nền, phóng to cho cân tiêu đề, thẳng cột vòng tròn bên dưới */
.side-box:has(.policy-list) .side-title .icon { width: 40px; height: 40px; padding: 5px; border-radius: 0; background: none; color: var(--red); }
/* vòng tròn icon chính sách: khối tròn riêng (không vẽ nền lên svg) → tròn tuyệt đối */
.policy-list .pol-ic { flex: none; width: 40px; height: 40px; border-radius: 50%; background: var(--red-soft); color: var(--red); display: grid; place-items: center; }
.policy-list .pol-ic .icon { width: 22px; height: 22px; padding: 0; border-radius: 0; background: none; }
@media (max-width: 767px) { .promo-copy { padding-top: 24px; } }   /* nhãn đỏ không dính mép ảnh (mép ảnh giờ cắt thẳng) */
/* cột phải trang SP: mọi icon tiêu đề hộp cùng cỡ với khiên "Chính sách" */
.js-pd-side .side-title .icon { width: 40px; height: 40px; padding: 5px; border-radius: 0; background: none; color: var(--red); flex: none; }
.js-pd-side .side-title { gap: 12px; font-size: 18px; }
.order-error-detail { display: block; margin-top: 6px; font-size: 13px; color: var(--k-80); }

/* ---- Khối tư vấn cuối trang (03/11, lần 2): giữ bố cục căn giữa kiểu ketsat.vn nhưng bỏ mảng đỏ —
        nền đá sáng (sắc độ #CBC9BC) + viền mảnh; đỏ chỉ ở vòng icon, nhãn và nút chính ---- */
.newsletter {
  color: var(--ink); gap: 20px; min-height: 0; padding: 48px 32px 52px; border-radius: 12px;
  background: linear-gradient(135deg, var(--n-80) 0%, var(--n) 100%);   /* Trung tính #CBC9BC — chung màu 2 banner trang chủ */
  box-shadow: none;
}
.newsletter-ic {
  width: 64px; height: 64px; border-radius: 50%; flex: none; display: flex; align-items: center; justify-content: center;
  background: var(--red); color: #fff; box-shadow: 0 0 0 10px rgba(255, 255, 255, .38), 0 10px 24px rgba(228, 44, 16, .25);
}
.newsletter-ic .icon { width: 32px; height: 32px; display: block; }
.newsletter-kicker { color: var(--red) !important; opacity: 1; font-weight: 700; }
.newsletter-head h2 { color: var(--ink); }
.newsletter-head p { color: var(--k-80); }
.newsletter-actions .btn-outline { background: transparent; }
.newsletter-actions .btn-outline:hover { background: var(--ink); color: #fff; }
@media (max-width: 767px) {
  .newsletter { padding: 36px 20px 40px; gap: 18px; }
  .newsletter-ic { width: 56px; height: 56px; box-shadow: 0 0 0 8px rgba(255, 255, 255, .38), 0 8px 20px rgba(228, 44, 16, .22); }
  .newsletter-ic .icon { width: 28px; height: 28px; }
}
/* P (03/11): breadcrumb luôn 1 dòng — không để dấu › đứng đầu dòng thứ 2; mục cuối quá dài thì cắt "…" */
.breadcrumb ol { flex-wrap: nowrap; min-width: 0; }
.breadcrumb li { flex: none; min-width: 0; }
.breadcrumb li:last-child { flex: 0 1 auto; overflow: hidden; }
.breadcrumb li:last-child > * { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 100%; }
@media (max-width: 374px) { .breadcrumb ol { gap: 6px; font-size: 12px; } .breadcrumb li { gap: 6px; } }
@media (max-width: 359px) { .social-item small { font-size: 12px; } }   /* P5: email trong ô 2 cột ở 320px không sát mép */
.policy-no, .share a, .share button, .newsletter-ic { container-type: inline-size; }
.policy-no .icon { width: 54cqw; height: 54cqw; }
.share a .icon:not(.i-zalo), .share button .icon { width: 52cqw; height: 52cqw; }
.newsletter-ic .icon { width: 52cqw; height: 52cqw; }
/* P1 (03/11): dấu "?" trong vòng tròn FAQ — mặt chữ ≈ 40% vòng (14px trông lọt thỏm trong vòng 32px) */
.acc-head .q { font-size: 18px; line-height: 1; font-weight: 700; }
.newsletter-kicker { color: var(--ink) !important; }   /* chữ nhỏ đỏ trên nền #CBC9BC tương phản thấp → đen; đỏ giữ ở vòng icon + nút */

/* Q1 (03/11): banner "Ghé showroom" (địa chỉ) + banner Gọi/Zalo ở cột bên KHÔNG ẩn trên điện thoại / máy tính bảng —
   chuyển thành dải ngang rộng hết cột, chữ cỡ cố định dễ đọc */
@media (max-width: 1023px) {
  .pd-side .side-banner, .shop-side .side-banner { display: block !important; grid-column: 1 / -1; aspect-ratio: auto; min-height: 168px; }
  .pd-side .side-banner .b-inner, .shop-side .side-banner .b-inner { position: relative; padding: 22px 22px 24px; justify-content: center; gap: 0; }
  .pd-side .side-banner .b-copy, .shop-side .side-banner .b-copy { gap: 8px; }
  .pd-side .side-banner .b-title, .shop-side .side-banner .b-title { font-size: 24px; }
  .pd-side .side-banner .b-kicker, .shop-side .side-banner .b-kicker { font-size: 12px; }
  .pd-side .side-banner .b-text, .shop-side .side-banner .b-text { font-size: 14px; display: block; }
  .pd-side .side-banner .b-cta, .shop-side .side-banner .b-cta { font-size: 14px; padding: 10px 18px; gap: 8px; margin-top: 6px; }
  .pd-side .side-banner .b-cta svg, .shop-side .side-banner .b-cta svg { width: 16px; height: 16px; }
  .side-banner.photo-banner::after { background: linear-gradient(90deg, rgba(0,0,0,.82) 0%, rgba(0,0,0,.55) 60%, rgba(0,0,0,.3) 100%); }
}
@media (max-width: 1023px) {
  .pd-side .side-banner .b-copy, .shop-side .side-banner .b-copy { width: 100%; max-width: 100%; flex: 1 1 auto; }
  .pd-side .side-banner .b-text, .shop-side .side-banner .b-text { max-width: 30em; }
  .side-banner.photo-banner .b-title em { color: var(--red); }
}
/* Q1: breadcrumb trang chi tiết hiện đủ 3 cấp trên điện thoại (không giấu "Sản phẩm"); vẫn 1 dòng — cỡ chữ 12px ở màn hẹp */
@media (max-width: 479px) { .breadcrumb-bar .js-crumbs li:nth-child(2) { display: inline-flex; } .breadcrumb-bar .breadcrumb ol { font-size: 12px; gap: 6px; } .breadcrumb-bar .breadcrumb li { gap: 6px; } }
/* Q2: breadcrumb không cắt "…" — màn hẹp được xuống dòng để hiện đủ tên mẫu */
.breadcrumb ol { flex-wrap: wrap; }
.breadcrumb li:last-child { overflow: visible; }
.breadcrumb li:last-child > * { white-space: normal; overflow: visible; text-overflow: clip; }
/* Q1: mục lục trang Chính sách hiện cả trên điện thoại / máy tính bảng — khối "Nội dung" phía trên, các mục xếp 2–3 cột */
@media (max-width: 1023px) {
  .policy-side { display: block; position: static; }
  .policy-side .policy-nav { grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 0; }
}
@media (max-width: 599px) { .policy-side .policy-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
/* Q1: breadcrumb trang bài viết hiện đủ tên bài trên điện thoại (xuống dòng, không giấu) */
@media (max-width: 767px) { .js-article-banner .breadcrumb li:last-child { display: inline-flex; } .js-article-banner .breadcrumb li:nth-last-child(2) span, .js-article-banner .breadcrumb li:nth-last-child(2) a { font-weight: 400; } }
@media (max-width: 1023px) { .pd-side .side-banner .b-cta, .shop-side .side-banner .b-cta { padding: 9px 18px 11px; } .policy-side .policy-nav { margin: 0 -12px; } }
@media (max-width: 1023px) { .pd-side .side-banner .b-cta, .shop-side .side-banner .b-cta { padding: 10px 18px; } }
@media (max-width: 1023px) { .pd-side .side-banner, .shop-side .side-banner { height: auto; display: flex !important; } .pd-side .side-banner .b-inner, .shop-side .side-banner .b-inner { inset: auto; height: auto; flex: 1 1 auto; } }
@media (max-width: 1023px) { .shop-side .side-banner { min-height: 220px; flex: none; } }
@media (max-width: 1023px) { .pd-side .side-banner .b-inner, .shop-side .side-banner .b-inner { display: flex; flex-direction: column; justify-content: center; align-items: flex-start; align-self: stretch; } }
@media (max-width: 1023px) { .shop-side .side-banner { min-height: 0; height: max-content; } }
@media (max-width: 1023px) { .pd-side .side-banner .b-cta, .shop-side .side-banner .b-cta { padding: 9px 18px 11px; } .pd-side .side-banner .b-cta svg, .shop-side .side-banner .b-cta svg { position: relative; top: 1px; } }
@media (min-width: 1024px) and (max-width: 1199px) { .side-banner .b-cta { padding-top: calc(3cqw - 1px); padding-bottom: calc(3cqw + 1px); } .side-banner .b-cta svg { position: relative; top: 1px; } }

/* Khối tư vấn cuối trang: họa tiết biểu tượng Bình Bảo lặp lại theo hàng so le (pattern-logo.svg), rất mờ;
   quầng nền ở giữa làm nhạt họa tiết sau chữ để chữ luôn dễ đọc */
.newsletter { position: relative; overflow: hidden; isolation: isolate; }
.newsletter::before { content: ""; position: absolute; inset: 0; z-index: -2; pointer-events: none;
  background: url("../img/pattern-logo.svg") 0 0 / 120px 112px repeat; opacity: .06; }
.newsletter::after { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(55% 70% at 50% 50%, rgba(208, 206, 196, .95) 0%, rgba(208, 206, 196, .6) 55%, rgba(208, 206, 196, 0) 100%); }
@media (max-width: 767px) { .newsletter::before { background-size: 96px 90px; } .newsletter::after { background: radial-gradient(80% 60% at 50% 50%, rgba(208, 206, 196, .92) 0%, rgba(208, 206, 196, .5) 60%, rgba(208, 206, 196, 0) 100%); } }
/* họa tiết sát hơn: ô lặp 70×66 (biểu tượng 26px, so le nửa ô) */
.newsletter::before { background-size: 70px 66px; }
@media (max-width: 767px) { .newsletter::before { background-size: 58px 55px; } }
/* họa tiết to + sát hơn: biểu tượng 36px, ô lặp 80×78 (so le nửa ô) */
.newsletter::before { background-size: 80px 78px; }
@media (max-width: 767px) { .newsletter::before { background-size: 64px 62px; } }