/* Website VNA Materials & Solutions — nền trắng, nhận diện xanh navy + vàng đồng theo logo */
:root {
  --navy: #14315a;
  --navy-dark: #0e2442;
  --gold: #c9a467;
  --gold-dark: #a8854c;
  --ink: #1b2533;
  --text: #3a4350;
  --muted: #6b7480;
  --line: #e1e5ea;
  --bg-alt: #f5f7f9;
  --yt: #d8231a;
  --shadow: 0 1px 2px rgba(16, 28, 48, .06), 0 6px 18px rgba(16, 28, 48, .07);
  --wrap: 1200px;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 150px; }
body { margin: 0; font-family: 'Be Vietnam Pro', 'Segoe UI', Roboto, Arial, sans-serif; font-size: 16px; line-height: 1.65; color: var(--text); background: #fff; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--navy); }
h1, h2, h3 { color: var(--ink); line-height: 1.3; }
button { font: inherit; }
[hidden] { display: none !important; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.wrap.narrow { max-width: 860px; }
.center { text-align: center; }
.skip { position: absolute; left: -9999px; top: 0; background: #fff; padding: 8px 14px; z-index: 200; }
.skip:focus { left: 8px; top: 8px; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; }

/* ── Dải trên cùng: khẩu hiệu + đồng hồ giờ Hà Nội ── */
.topstrip { background: var(--navy); color: #d7deea; font-size: 13px; border-bottom: 3px solid var(--gold); }
.topstrip .wrap { display: flex; justify-content: space-between; align-items: center; gap: 16px; min-height: 34px; }
.topstrip-note { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.clock { display: inline-flex; align-items: center; gap: 7px; white-space: nowrap; color: #fff; font-variant-numeric: tabular-nums; }

/* ── Đầu trang nền trắng ── */
.site-header { position: sticky; top: 0; z-index: 50; background: #fff; box-shadow: 0 2px 12px rgba(16, 28, 48, .09); }
.hd-main .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-top: 14px; padding-bottom: 12px; transition: padding .2s; }
.logo { display: block; flex-shrink: 0; }
.logo img { height: 64px; width: auto; transition: height .2s; }
.hd-right { display: flex; align-items: center; gap: 22px; min-width: 0; }
.hd-link { display: inline-flex; align-items: center; gap: 7px; color: var(--ink); text-decoration: none; font-size: 15px; white-space: nowrap; }
.hd-link:hover { color: var(--gold-dark); }
.hd-phone { font-weight: 600; color: var(--navy); font-size: 16.5px; }
.hd-yt svg { color: var(--yt); }
.header-search { display: flex; align-items: center; border: 1px solid var(--line); border-radius: 999px; padding: 0 6px 0 14px; width: 200px; background: var(--bg-alt); }
.header-search:focus-within { border-color: var(--navy); background: #fff; }
.header-search input { flex: 1; min-width: 0; background: none; border: 0; color: var(--ink); font: inherit; font-size: 14.5px; padding: 8px 0; outline: none; }
.header-search button { background: none; border: 0; color: var(--navy); cursor: pointer; padding: 6px; display: flex; }
.nav-toggle { display: none; background: none; border: 0; padding: 10px; cursor: pointer; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--navy); margin: 5px 0; }
.is-stuck .hd-main .wrap { padding-top: 6px; padding-bottom: 6px; }
.is-stuck .logo img { height: 44px; }

.mainnav { border-top: 1px solid var(--line); }
.mainnav .wrap { position: relative; }
.nav-list { list-style: none; margin: 0 -16px; padding: 0; display: flex; }
.nav-list > li > a { display: block; padding: 14px 16px 13px; color: var(--ink); text-decoration: none; font-size: 16.5px; line-height: 24px; white-space: nowrap; border-bottom: 3px solid transparent; }
.nav-list > li:hover > a, .nav-list > li > a.is-current { color: var(--navy); border-bottom-color: var(--gold); }
.nav-list > li > a.is-current { font-weight: 600; }
.nav-tag { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; background: var(--gold); color: var(--navy-dark); padding: 2px 7px; border-radius: 999px; vertical-align: 2px; margin-left: 2px; }
.sub-toggle { display: none; }
.mega { display: none; position: absolute; left: 0; right: 0; top: 100%; background: #fff; box-shadow: 0 16px 30px rgba(16, 28, 48, .16); border-top: 3px solid var(--gold); padding: 24px 26px 28px; grid-template-columns: .95fr 1.45fr 1.35fr 1.2fr 1.3fr; gap: 26px; z-index: 5; }
.has-sub:hover .mega, .has-sub:focus-within .mega { display: grid; }
.mega-head { display: block; font-weight: 600; font-size: 15.5px; line-height: 1.35; color: var(--navy); text-decoration: none; padding-bottom: 9px; margin-bottom: 8px; border-bottom: 2px solid var(--gold); min-height: 54px; }
.mega-col ul { list-style: none; margin: 0; padding: 0; }
.mega-col li a { display: block; padding: 6px 0; text-decoration: none; line-height: 1.35; }
.mn { display: block; font-size: 14.5px; font-weight: 500; color: var(--ink); }
.ml { display: block; font-size: 12.5px; color: var(--muted); }
.mega-col li a:hover .mn, .mega-head:hover { color: var(--gold-dark); }

/* ── Đường dẫn ── */
.breadcrumb { padding: 16px 0 0; font-size: 13.5px; color: var(--muted); background: var(--bg-alt); }
.breadcrumb ol { list-style: none; margin: 0; padding: 0 0 4px; display: flex; flex-wrap: wrap; gap: 4px 0; }
.breadcrumb li + li::before { content: '›'; margin: 0 8px; color: #9aa3ae; }
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--navy); text-decoration: underline; }
.breadcrumb li[aria-current] { color: var(--ink); max-width: 46ch; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ── Nút ── */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--navy); color: #fff; font-weight: 600; font-size: 14.5px; text-decoration: none; padding: 11px 24px; border: 2px solid var(--navy); border-radius: 6px; cursor: pointer; transition: background .15s, border-color .15s, color .15s; line-height: 1.5; }
.btn:hover { background: var(--gold); border-color: var(--gold); color: var(--navy-dark); }
.btn-sm { padding: 7px 14px; font-size: 13.5px; }
.btn-outline { background: #fff; color: var(--navy); }
.btn-outline:hover { background: var(--navy); border-color: var(--navy); color: #fff; }
.btn-ghost { background: transparent; border-color: rgba(255, 255, 255, .8); color: #fff; }
.btn-ghost:hover { background: #fff; border-color: #fff; color: var(--navy); }
.btn-light { background: var(--gold); border-color: var(--gold); color: var(--navy-dark); }
.btn-light:hover { background: #fff; border-color: #fff; }
.btn-yt { background: var(--yt); border-color: var(--yt); color: #fff; }
.btn-yt:hover { background: #b51a13; border-color: #b51a13; color: #fff; }

/* ── Trang chủ: hai hình ngôi nhà trượt qua nhau ── */
.hero { background: linear-gradient(#fff, var(--bg-alt)); padding: 30px 0 26px; border-bottom: 1px solid var(--line); }
.hero-head { text-align: center; margin-bottom: 14px; }
.hero h1 { font-weight: 300; font-size: clamp(24px, 3vw, 36px); margin: 0 0 4px; color: var(--navy); }
.hero-head p { margin: 0; color: var(--muted); font-size: 15.5px; }
.carousel { position: relative; overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: 10px; box-shadow: var(--shadow); }
.car-track { display: flex; transition: transform .7s cubic-bezier(.4, 0, .2, 1); }
.car-slide { flex: 0 0 100%; min-width: 0; padding: 18px 22px 8px; }
.car-title { margin: 0; text-align: center; font-size: clamp(18px, 2vw, 23px); font-weight: 600; color: var(--ink); }
.car-sub { margin: 2px 0 8px; text-align: center; font-size: 14px; color: var(--muted); }
.hs-desktop { width: 100%; height: auto; display: block; }
.hs-mobile { display: none; }
.hs-line { stroke: var(--gold); stroke-width: 1.4; fill: none; }
.hs-t { font: 600 16.5px 'Be Vietnam Pro', sans-serif; fill: var(--navy); }
.hs-n { fill: var(--gold-dark); font-weight: 700; }
.hs-p { font: 400 15px 'Be Vietnam Pro', sans-serif; fill: var(--text); }
.carousel a:hover .hs-p, .carousel a:focus .hs-p { fill: var(--gold-dark); text-decoration: underline; }
.carousel a:hover .hs-t { fill: var(--gold-dark); }
.hs-dot circle { fill: var(--gold); stroke: #fff; stroke-width: 2.5; }
.hs-dot text { font: 700 13.5px 'Be Vietnam Pro', sans-serif; fill: var(--navy-dark); }
.hs-dot-lg text { font-size: 23px; }
.car-btn { position: absolute; top: 46%; width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--line); background: rgba(255, 255, 255, .95); color: var(--navy); font-size: 26px; line-height: 1; cursor: pointer; box-shadow: var(--shadow); display: grid; place-items: center; padding: 0 0 4px; z-index: 2; }
.car-btn:hover { background: var(--navy); color: #fff; }
.car-prev { left: 10px; }
.car-next { right: 10px; }
.car-bar { display: flex; align-items: center; justify-content: center; gap: 18px; padding: 4px 16px 12px; position: relative; }
.car-dots { display: flex; gap: 8px; }
.car-dots button { width: 34px; height: 6px; border-radius: 3px; border: 0; background: #cfd5dd; cursor: pointer; padding: 0; }
.car-dots button.is-on { background: var(--navy); }
.car-full { position: absolute; right: 16px; bottom: 8px; display: inline-flex; align-items: center; gap: 6px; background: none; border: 1px solid var(--line); border-radius: 6px; color: var(--navy); font-size: 13.5px; padding: 5px 12px; cursor: pointer; }
.car-full:hover { background: var(--navy); color: #fff; }
.carousel:fullscreen { border-radius: 0; display: flex; flex-direction: column; justify-content: center; padding: 1vh 2vw; }
.carousel:fullscreen .hs-desktop { max-height: 80vh; }
.hero-note { text-align: center; font-size: 13px; color: var(--muted); margin: 12px 0 0; }

/* ── Khối nội dung ── */
.section { padding: 60px 0; }
.section-tight { padding: 34px 0; }
.section-alt { background: var(--bg-alt); }
.section-title { text-align: center; font-weight: 300; font-size: clamp(24px, 2.8vw, 34px); margin: 0 0 30px; color: var(--navy); }
.section-lead { text-align: center; font-size: 17px; color: var(--muted); margin: -20px 0 26px; }
.section-actions { text-align: center; margin: 32px 0 0; display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.sub-title { font-size: 19px; font-weight: 600; color: var(--navy); margin: 40px 0 16px; }
.page-head { background: var(--bg-alt); padding: 18px 0 32px; border-bottom: 1px solid var(--line); }
.page-head h1 { font-weight: 300; font-size: clamp(26px, 3.2vw, 38px); margin: 0 0 8px; color: var(--navy); }
.page-head .lead { font-size: 17.5px; color: var(--text); margin: 0; max-width: 78ch; }
.site-header + main > .page-head:first-child { padding-top: 34px; }
.kicker { text-transform: uppercase; letter-spacing: .12em; font-size: 12.5px; font-weight: 600; color: var(--gold-dark); margin: 0 0 8px; }
.kicker a { color: inherit; text-decoration: none; }

/* ── Thẻ ── */
.ggrid, .pgrid, .vgrid, .bgrid, .agrid, .tgrid, .dgrid, .jgrid { display: grid; gap: 22px; }
.ggrid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.pgrid, .dgrid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.vgrid, .bgrid, .agrid, .tgrid, .jgrid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.gcard, .pcard, .bcard, .acard, .tcard, .dcard, .vcard, .jcard, .feature { background: #fff; border: 1px solid var(--line); border-radius: 10px; box-shadow: var(--shadow); text-decoration: none; color: var(--text); display: flex; flex-direction: column; overflow: hidden; transition: transform .18s, box-shadow .18s, border-color .18s; }
a.gcard:hover, a.pcard:hover, a.bcard:hover, a.acard:hover, a.tcard:hover, a.dcard:hover, a.vcard:hover, a.feature:hover { transform: translateY(-3px); box-shadow: 0 3px 6px rgba(16, 28, 48, .08), 0 14px 30px rgba(16, 28, 48, .12); border-color: var(--gold); }
.gimg img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.gbody { padding: 16px 16px 18px; display: grid; grid-template-columns: auto 1fr; column-gap: 10px; row-gap: 2px; align-items: start; flex: 1; border-top: 1px solid var(--line); }
.gnum { grid-row: span 3; width: 30px; height: 30px; border-radius: 50%; background: var(--navy); color: #fff; font-weight: 600; font-size: 15px; display: grid; place-items: center; flex-shrink: 0; }
.gname { font-size: 16.5px; font-weight: 600; color: var(--ink); line-height: 1.35; }
.gtext { font-size: 13px; color: var(--muted); line-height: 1.5; margin-top: 4px; }
.gcount { font-size: 13px; font-weight: 600; color: var(--navy); display: inline-flex; align-items: center; gap: 4px; margin-top: 8px; align-self: end; }
.gcount svg { width: 15px; height: 15px; }
.gbody { grid-template-rows: auto 1fr auto; }

/* ── Dải cam kết dưới hình trang chủ ── */
.trust { background: #fff; border-bottom: 1px solid var(--line); }
.trust ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.trust li + li { border-left: 1px solid var(--line); }
.trust a { display: flex; align-items: center; gap: 13px; padding: 18px 16px; height: 100%; text-decoration: none; color: var(--text); }
.trust svg { flex-shrink: 0; width: 30px; height: 30px; color: var(--gold-dark); }
.trust b { display: block; font-size: 14.5px; font-weight: 600; line-height: 1.35; color: var(--navy); }
.trust em { display: block; font-style: normal; font-size: 13px; line-height: 1.4; color: var(--muted); }
.trust a:hover b { color: var(--gold-dark); }
.sname, .aname { font-size: 19px; color: var(--ink); line-height: 1.35; }
.stext, .btext, .atext { font-size: 14.5px; line-height: 1.6; color: var(--muted); flex: 1; }
.smore { font-size: 14px; font-weight: 600; color: var(--navy); display: inline-flex; align-items: center; gap: 6px; }
.tcard { padding: 18px 20px; border-left: 4px solid var(--gold); gap: 6px; }
.tcard .sname { font-size: 17.5px; font-weight: 600; color: var(--navy); }

.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px; }
.feature { border-top: 4px solid var(--brand, var(--navy)); }
.feature-img img { width: 100%; aspect-ratio: 16 / 7; object-fit: cover; }
.feature-body { padding: 22px 26px 26px; display: flex; flex-direction: column; gap: 8px; align-items: flex-start; flex: 1; }
.feature-kicker { font-size: 12.5px; font-weight: 600; text-transform: uppercase; letter-spacing: .1em; color: var(--brand, var(--gold-dark)); }
.feature-title { font-size: 23px; font-weight: 600; color: var(--ink); line-height: 1.3; }
.feature-text { font-size: 15.5px; color: var(--text); flex: 1; margin-bottom: 8px; }

.pimg { padding: 14px; background: #fff; }
.pimg img { width: 100%; aspect-ratio: 1; object-fit: contain; }
.pbody { padding: 14px 16px 18px; display: flex; flex-direction: column; gap: 5px; border-top: 1px solid var(--line); flex: 1; }
.pbrand { font-size: 12px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--brand, var(--navy)); margin: 0; }
.pbrand a { color: inherit; text-decoration: none; }
.pname { font-weight: 600; font-size: 16.5px; color: var(--ink); line-height: 1.35; }
.ptype { font-size: 13.5px; color: var(--muted); line-height: 1.5; flex: 1; }
.pdoc { font-size: 12.5px; color: var(--navy); display: inline-flex; align-items: center; gap: 5px; margin-top: 4px; font-weight: 500; }
.pgroup { margin-top: 38px; }
.pgroup-title { display: flex; align-items: center; gap: 12px; font-size: 22px; font-weight: 600; margin: 0 0 18px; padding-bottom: 12px; border-bottom: 2px solid var(--gold); }
.pgroup-title a { color: var(--navy); text-decoration: none; }
.pgroup-title a:hover { color: var(--gold-dark); }

.vthumb { position: relative; display: block; background: #000; }
.vthumb img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.vplay { position: absolute; left: 50%; top: 50%; width: 64px; height: 44px; margin: -22px 0 0 -32px; background: rgba(216, 35, 26, .92); border-radius: 12px; }
.vplay::after { content: ''; position: absolute; left: 26px; top: 12px; border: 10px solid transparent; border-left: 16px solid #fff; border-right: 0; }
.vtitle { padding: 14px 16px 4px; font-weight: 600; font-size: 15.5px; color: var(--ink); line-height: 1.45; }
.vdate { padding: 0 16px 16px; font-size: 13px; color: var(--muted); }
.vempty { text-align: center; color: var(--muted); max-width: 60ch; margin: 0 auto; }

.bcard { padding: 24px; gap: 12px; border-top: 4px solid var(--brand, var(--navy)); }
.blogo { height: 80px; display: flex; align-items: center; }
.blogo img { height: auto; width: auto; max-height: 68px; max-width: min(230px, 100%); object-fit: contain; }
.aimg img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.abody { padding: 18px 22px 22px; display: flex; flex-direction: column; gap: 9px; flex: 1; border-top: 1px solid var(--line); }
.adate { font-size: 13px; color: var(--muted); }
.adate b { color: var(--gold-dark); font-weight: 600; }
.aname { font-size: 18.5px; font-weight: 600; }

.dthumb { background: var(--bg-alt); border-bottom: 1px solid var(--line); padding: 14px 14px 0; }
.dthumb img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; object-position: top; border: 1px solid var(--line); border-bottom: 0; }
.dbody { padding: 14px 16px 18px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.dname { font-weight: 600; font-size: 16px; color: var(--ink); line-height: 1.35; }
.dtext { font-size: 13.5px; color: var(--muted); line-height: 1.5; flex: 1; }

.jcard img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.jbody { padding: 14px 16px 18px; display: flex; flex-direction: column; gap: 3px; }
.jname { font-weight: 600; font-size: 17px; color: var(--ink); }
.jplace { font-size: 13.5px; color: var(--gold-dark); font-weight: 600; }
.jmeta { font-size: 13.5px; color: var(--muted); }
.jscope { font-size: 14.5px; color: var(--text); margin-top: 4px; }
.jmore { margin: 26px 0 0; display: grid; gap: 8px; }
.jmore div { display: grid; grid-template-columns: 170px 1fr; gap: 14px; font-size: 15px; padding: 10px 14px; background: #fff; border: 1px solid var(--line); border-radius: 8px; }
.jmore dt { font-weight: 600; color: var(--navy); }
.jmore dd { margin: 0; }
.jnote { font-size: 13.5px; color: var(--muted); margin: 18px 0 0; }

/* ── Công trình biểu tượng (đầu trang Dự án, trang chủ) ── */
.iconic { background: linear-gradient(180deg, var(--navy-dark), #0a1b33); color: #cfd9e8; padding: 34px 0 44px; }
.iconic .kicker { color: var(--gold); }
.iconic h1 { color: #fff; font-weight: 300; font-size: clamp(27px, 3.4vw, 42px); margin: 0 0 8px; }
.iconic-lead { font-size: 17.5px; margin: 0 0 26px; max-width: 80ch; }
.igrid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.icard { position: relative; margin: 0; border-radius: 10px; overflow: hidden; background: #0a1b33; box-shadow: var(--shadow); }
.icard img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .5s; }
.icard:hover img { transform: scale(1.05); }
.icard figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 46px 16px 14px; background: linear-gradient(transparent, rgba(6, 14, 28, .9)); color: #fff; display: grid; gap: 1px; }
.icard b { font-size: 16.5px; font-weight: 600; line-height: 1.3; }
.icard span { font-size: 13px; opacity: .9; }
.icard em { font-style: normal; font-size: 12.5px; font-weight: 500; color: var(--gold); }
.igrid-next { margin-top: 22px; }
.iconic-more { margin: 20px 0 0; font-size: 15px; }
.iconic-more b { color: #fff; font-weight: 600; }
.istats { list-style: none; margin: 30px 0 0; padding: 22px 0 0; border-top: 1px solid rgba(255, 255, 255, .16); display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.istats b { display: block; font-size: clamp(26px, 3vw, 38px); font-weight: 300; line-height: 1.15; color: var(--gold); }
.istats span { font-size: 14px; }
.iconic-note { font-size: 12.5px; color: #93a3ba; margin: 18px 0 20px; }
.iconic .chips { justify-content: flex-start; }
.iconic .chips a { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .45); }
.iconic .chips a:hover { background: var(--gold); border-color: var(--gold); color: var(--navy-dark); }
.has-hero .breadcrumb { background: var(--navy-dark); color: #93a3ba; }
.has-hero .breadcrumb a { color: #93a3ba; }
.has-hero .breadcrumb a:hover { color: #fff; }
.has-hero .breadcrumb li[aria-current] { color: #fff; }

/* ── Bộ lọc ── */
.filters { margin: 0 0 6px; display: grid; gap: 12px; }
.filter-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.filter-label { font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); min-width: 110px; }
.chip { border: 1px solid var(--line); background: #fff; color: var(--text); font: inherit; font-size: 14px; padding: 6px 16px; border-radius: 999px; cursor: pointer; }
.chip:hover { border-color: var(--navy); }
.chip.is-on { background: var(--navy); border-color: var(--navy); color: #fff; }
.filter-empty { text-align: center; color: var(--muted); padding: 30px 0; }
.chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin: 0; }
.chips-left { justify-content: flex-start; margin: 0; }
.chips a { background: #fff; color: var(--navy); text-decoration: none; font-size: 14px; padding: 6px 15px; border-radius: 999px; border: 1px solid var(--line); }
.chips a:hover { background: var(--navy); color: #fff; border-color: var(--navy); }

/* ── Văn bản ── */
.prose { font-size: 16.5px; }
.prose h2 { font-size: 22px; font-weight: 600; color: var(--navy); margin: 32px 0 12px; }
.prose > h2:first-child, .prose > div > h2:first-child { margin-top: 0; }
.prose p { margin: 0 0 16px; }
.prose ul, .prose ol { margin: 0 0 18px; padding-left: 22px; }
.prose li { margin: 6px 0; }
.prose a { text-decoration: underline; text-underline-offset: 3px; }
.prose a:hover { color: var(--gold-dark); }
.note { background: #fbf6ec; border-left: 4px solid var(--gold); padding: 14px 18px; }
.source-note { font-size: 13.5px; color: var(--muted); border-top: 1px solid var(--line); padding-top: 14px; margin-top: 22px; }
.table-wrap { overflow-x: auto; margin: 0 0 20px; }
table { border-collapse: collapse; width: 100%; font-size: 15px; background: #fff; }
th, td { border: 1px solid var(--line); padding: 10px 14px; text-align: left; vertical-align: top; }
thead th { background: var(--navy); color: #fff; font-weight: 500; border-color: var(--navy); }
tbody tr:nth-child(even) td { background: #f8f9fb; }

/* ── Trang sản phẩm ── */
.product { padding: 30px 0 44px; }
.product-grid { display: grid; grid-template-columns: minmax(0, 400px) minmax(0, 1fr); gap: 48px; align-items: start; }
.product-media { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 20px; box-shadow: var(--shadow); }
.product-media img { width: 100%; aspect-ratio: 1; object-fit: contain; }
.product-info h1 { font-weight: 300; font-size: clamp(26px, 3.2vw, 38px); margin: 4px 0 6px; color: var(--navy); }
.product-type { font-size: 16px; font-weight: 500; color: var(--gold-dark); margin: 0 0 16px; }
.product-summary { font-size: 17.5px; margin: 0 0 22px; }
.product-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 0 0 22px; }
.quick { list-style: none; margin: 0 0 16px; padding: 0; display: grid; gap: 8px; }
.quick li { display: grid; grid-template-columns: 100px 1fr; gap: 12px; font-size: 15px; padding: 10px 14px; background: var(--bg-alt); border-radius: 8px; }
.quick li > span:first-child { font-weight: 600; color: var(--navy); }
.product-detail { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 48px; }
/* Tính nhanh vật tư + căn cứ để tin */
.inp { display: inline-flex; align-items: center; border: 1px solid #c3cbd6; border-radius: 6px; background: #fff; overflow: hidden; }
.inp:focus-within { border-color: var(--navy); box-shadow: 0 0 0 3px rgba(20, 49, 90, .12); }
.inp input { border: 0; outline: 0; font: inherit; font-size: 15.5px; color: var(--ink); padding: 9px 4px 9px 12px; width: 150px; min-width: 0; background: none; }
.inp em { font-style: normal; font-size: 15px; font-weight: 500; color: var(--muted); padding: 0 12px 0 6px; text-transform: none; letter-spacing: 0; }
.calc { border: 1px solid var(--gold); background: #fdfaf3; border-radius: 10px; padding: 14px 16px; margin: 0 0 18px; display: grid; gap: 8px; }
.calc label { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; }
.calc-title { font-weight: 600; font-size: 15.5px; color: var(--navy); }
.calc-out { margin: 0; font-size: 15px; }
.calc-out b { color: var(--navy); }
.calc-out span { color: var(--muted); font-size: 13.5px; }
.product-actions .btn { flex: 1 1 auto; }
.trust-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 7px; font-size: 14.5px; }
.trust-list li { display: flex; align-items: flex-start; gap: 9px; }
.trust-list svg { flex-shrink: 0; margin-top: 3px; color: #1d7a3a; }
.ptable td:first-child { min-width: 190px; }
.ptable a { text-decoration: none; }
.ptable a:hover { text-decoration: underline; }
.jump { padding: 18px 0 0; }

/* ── Bảng màu + tồn kho keo chà ron ── */
.stock-tools { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 14px 22px; background: #fff; border: 1px solid var(--line); border-radius: 10px; box-shadow: var(--shadow); padding: 16px 20px; margin: 0 0 6px; }
.stock-tools label { display: grid; gap: 5px; }
.stock-tools label > span:first-child { font-size: 12.5px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.stock-tools select { font: inherit; font-size: 15.5px; color: var(--ink); padding: 9px 12px; border: 1px solid #c3cbd6; border-radius: 6px; background: #fff; min-width: 150px; }
.stock-tools .inp input { width: 120px; }
.stock-rate { flex: 1 1 280px; margin: 0; align-self: center; display: grid; gap: 2px; font-size: 15.5px; }
.stock-rate b { color: var(--navy); }
[data-stock-need] { color: var(--navy); font-weight: 600; }
.stock-line { margin-top: 30px; }
.stock-line h3 { margin: 0 0 2px; font-size: 20px; font-weight: 600; }
.stock-line h3 a { color: var(--navy); text-decoration: none; }
.stock-line h3 a:hover { color: var(--gold-dark); }
.stock-meta { margin: 0 0 14px; font-size: 14.5px; color: var(--muted); }
.stock-sum b { color: var(--navy); }
.swatches { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.swatches li { display: flex; }
.sw { flex: 1; display: grid; grid-template-columns: 1fr auto; align-content: start; column-gap: 8px; padding: 0 0 10px; text-align: left; font: inherit; color: var(--text); background: #fff; border: 1px solid var(--line); border-radius: 8px; box-shadow: var(--shadow); overflow: hidden; cursor: pointer; }
.sw:hover { border-color: var(--gold); }
.sw img { grid-column: 1 / -1; width: 100%; height: 48px; object-fit: cover; border-bottom: 1px solid var(--line); margin-bottom: 8px; }
.sw-name { grid-column: 1 / -1; padding: 0 12px; font-size: 14.5px; line-height: 1.35; color: var(--ink); }
.sw-name b { color: var(--navy); }
.sw-name i { font-style: normal; font-size: 11px; font-weight: 600; background: var(--gold); color: var(--navy-dark); border-radius: 999px; padding: 1px 7px; margin-left: 3px; white-space: nowrap; vertical-align: 1px; }
.sw-qty { padding: 4px 0 0 12px; font-size: 14px; font-weight: 600; color: #1d7a3a; }
.sw-area { padding: 4px 12px 0 0; font-size: 14px; text-align: right; white-space: nowrap; }
.sw.is-out .sw-qty { color: #b3261e; }
.sw.is-out img { filter: grayscale(.7); opacity: .65; }
.sw.is-na .sw-qty { color: var(--muted); font-weight: 500; }
.sw-fit, .sw-note { grid-column: 1 / -1; padding: 2px 12px 0; font-size: 13px; }
.sw-fit { font-weight: 600; }
.sw-fit:empty { display: none; }
.sw-note { color: var(--muted); }
.sw.fit-ok .sw-fit { color: #1d7a3a; }
.sw.fit-short .sw-fit { color: #b3601e; }
.sw[aria-pressed="true"] { border-color: var(--navy); box-shadow: 0 0 0 2px var(--navy); }
.stock-foot { font-size: 13px; color: var(--muted); margin: 22px auto 0; text-align: center; max-width: 90ch; }

/* ── Chứng nhận chất lượng ── */
.cert-block + .cert-block { margin-top: 44px; }
.cert-title { font-size: 20px; font-weight: 600; color: var(--navy); margin: 0 0 4px; text-align: center; }
.cert-lead { text-align: center; color: var(--muted); font-size: 15px; margin: 0 0 20px; }
.cert-logos { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 14px; }
.cert-logos li { background: #fff; border: 1px solid var(--line); border-radius: 8px; box-shadow: var(--shadow); padding: 10px 10px 12px; display: flex; flex-direction: column; gap: 6px; text-align: center; }
.cert-logos img { width: 100%; aspect-ratio: 360 / 220; object-fit: contain; }
.cert-logos span { font-size: 12.5px; line-height: 1.35; }
.cert-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; }
.cert-list a { display: flex; flex-direction: column; height: 100%; background: #fff; border: 1px solid var(--line); border-radius: 8px; box-shadow: var(--shadow); overflow: hidden; text-decoration: none; color: var(--text); transition: border-color .18s, transform .18s; }
.cert-list a:hover { border-color: var(--gold); transform: translateY(-3px); }
.cert-thumb { background: var(--bg-alt); padding: 12px 12px 0; border-bottom: 1px solid var(--line); }
.cert-thumb img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; object-position: top; border: 1px solid var(--line); border-bottom: 0; }
.cert-body { padding: 12px 14px 14px; display: flex; flex-direction: column; gap: 3px; flex: 1; }
.cert-org { font-size: 12px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--gold-dark); }
.cert-name { font-size: 15px; font-weight: 600; line-height: 1.35; color: var(--ink); }
.cert-result { align-self: flex-start; font-size: 13px; font-weight: 700; color: #1d7a3a; background: #e8f5ec; border-radius: 999px; padding: 2px 10px; margin: 3px 0; }
.cert-detail { font-size: 12.5px; line-height: 1.45; color: var(--muted); flex: 1; margin-bottom: 4px; }
.cert-note { text-align: center; font-size: 13px; color: var(--muted); margin: 16px 0 0; }

/* ── Xem tài liệu (TDS, hồ sơ, catalogue) ── */
.doc-meta { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: center; margin: 0 0 22px; font-size: 14.5px; color: var(--muted); }
.doc-pages { display: grid; gap: 18px; justify-items: center; }
.doc-rest { margin-top: 18px; }
.doc-page { width: 100%; max-width: 900px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); cursor: zoom-in; }
.doc-page.is-wide { max-width: 1160px; }
.presenter { position: fixed; inset: 0; z-index: 120; background: #0c121b; display: grid; grid-template-rows: auto 1fr; }
.presenter-bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; color: #dfe5ee; padding: 8px 14px; font-size: 14.5px; background: #131b27; }
.presenter-bar span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.presenter-bar button { background: none; border: 1px solid #3a4658; color: #fff; border-radius: 6px; padding: 5px 12px; cursor: pointer; font-size: 14px; }
.presenter-bar button:hover { background: var(--gold); border-color: var(--gold); color: var(--navy-dark); }
.presenter-stage { position: relative; overflow: auto; display: grid; place-items: center; padding: 10px; }
.presenter-stage img { max-width: 100%; max-height: calc(100vh - 66px); width: auto; height: auto; background: #fff; box-shadow: 0 6px 30px rgba(0, 0, 0, .5); }
.presenter-stage.is-zoom img { max-height: none; cursor: zoom-out; }
.presenter-nav { position: fixed; top: 50%; width: 52px; height: 72px; margin-top: -36px; background: rgba(255, 255, 255, .12); border: 0; color: #fff; font-size: 34px; cursor: pointer; z-index: 2; }
.presenter-nav:hover { background: var(--gold); color: var(--navy-dark); }
.presenter-prev { left: 0; border-radius: 0 8px 8px 0; }
.presenter-next { right: 0; border-radius: 8px 0 0 8px; }

/* ── Thương hiệu, bài viết, video ── */
.gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.gallery figure { margin: 0; border-radius: 10px; overflow: hidden; border: 1px solid var(--line); background: #fff; }
.gallery img { width: 100%; aspect-ratio: 16 / 7; object-fit: cover; }
.gallery figcaption { padding: 10px 14px; font-size: 14.5px; color: var(--text); }
.brand-intro { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 48px; align-items: start; }
.brand-logo { border: 1px solid var(--line); border-top: 4px solid var(--brand); border-radius: 10px; padding: 24px; box-shadow: var(--shadow); font-size: 14.5px; }
.brand-logo img { height: auto; width: auto; max-height: 96px; max-width: 100%; object-fit: contain; margin-bottom: 14px; }
.brand-logo p { margin: 0; }
.article-title, .video-title { font-weight: 300; font-size: clamp(26px, 3.2vw, 38px); margin: 0 0 10px; color: var(--navy); }
.video-meta { color: var(--muted); font-size: 14.5px; margin: 0 0 24px; }
.article-img { width: 100%; margin: 0 0 24px; border-radius: 10px; }
.article-tools { display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 26px; }
.report-cover { border-left: 6px solid var(--navy); padding: 4px 0 4px 22px; margin: 0 0 22px; }
.report-cover img { height: 54px; width: auto; margin-bottom: 18px; }
.report-kind { text-transform: uppercase; letter-spacing: .14em; font-size: 14px; font-weight: 700; color: var(--gold-dark); margin: 0 0 6px; }
.report-by { color: var(--muted); font-size: 14.5px; margin: 0; }
.prose h3 { font-size: 18px; font-weight: 600; color: var(--ink); margin: 22px 0 8px; }
.prose figure { margin: 20px 0; }
.prose figure img { width: 100%; border: 1px solid var(--line); border-radius: 8px; }
.prose figcaption, .fig-note { font-size: 14.5px; font-style: italic; color: var(--muted); text-align: center; margin: 8px 0 0; }
.fig-row { display: grid; grid-template-columns: .481fr 1fr; gap: 14px; }
.fig-row figure { margin: 20px 0 0; }
.fig-note { margin: 8px 0 18px; }
.yt-embed { position: relative; aspect-ratio: 16 / 9; background: #000; margin: 0 0 28px; box-shadow: var(--shadow); border-radius: 10px; overflow: hidden; }
.yt-embed button { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; padding: 0; background: none; cursor: pointer; }
.yt-embed img { width: 100%; height: 100%; object-fit: cover; }
.yt-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-desc { margin-top: 26px; overflow-wrap: anywhere; }

/* ── Hỏi đáp, các bước ── */
.faq details { border: 1px solid var(--line); border-radius: 8px; background: #fff; margin-bottom: 10px; }
.faq summary { cursor: pointer; padding: 16px 20px; font-weight: 500; color: var(--ink); }
.faq details[open] summary { border-bottom: 1px solid var(--line); color: var(--navy); }
.faq details p { margin: 0; padding: 16px 20px; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.steps li { border: 1px solid var(--line); border-radius: 10px; padding: 20px 22px; display: flex; flex-direction: column; gap: 6px; background: #fff; box-shadow: var(--shadow); }
.step-n { font-size: 30px; font-weight: 300; color: var(--gold-dark); line-height: 1; }
.step-t { font-weight: 600; font-size: 17px; color: var(--navy); }
.step-d { font-size: 14.5px; color: var(--text); }

/* ── Kêu gọi liên hệ ── */
.cta-band { background: var(--navy); color: #dbe3ee; text-align: center; padding: 52px 0; }
.cta-band h2 { color: #fff; font-weight: 300; font-size: clamp(23px, 2.7vw, 32px); margin: 0 0 10px; }
.cta-band p { margin: 0 auto 22px; max-width: 64ch; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-bottom: 0 !important; }

/* ── Liên hệ ── */
.contact-grid { display: grid; grid-template-columns: minmax(0, 360px) minmax(0, 1fr); gap: 44px; }
.contact-cards { display: grid; gap: 12px; align-content: start; }
.ccard { display: grid; grid-template-columns: 28px 1fr; column-gap: 12px; align-items: center; border: 1px solid var(--line); border-radius: 10px; box-shadow: var(--shadow); padding: 15px 20px; text-decoration: none; color: var(--navy); background: #fff; }
.ccard svg { grid-row: span 2; width: 24px; height: 24px; }
.ccard:hover { border-color: var(--gold); }
.clabel { font-size: 12.5px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.cvalue { font-weight: 600; color: var(--ink); overflow-wrap: anywhere; }
.map iframe { width: 100%; height: 300px; border: 1px solid var(--line); border-radius: 10px; }

/* ── Tìm kiếm ── */
.finder-form { display: flex; margin: 0 0 28px; background: #fff; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.finder-form input { flex: 1; min-width: 0; border: 0; font: inherit; padding: 14px 18px; outline: none; }
.finder-form button { background: #fff; border: 0; padding: 0 18px; cursor: pointer; color: var(--navy); display: flex; align-items: center; }
.sr-item { display: block; padding: 16px 0; border-bottom: 1px solid var(--line); text-decoration: none; color: var(--text); }
.sr-item:hover .sr-title { text-decoration: underline; }
.sr-kind { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--gold-dark); font-weight: 600; }
.sr-title { display: block; font-size: 18px; color: var(--navy); font-weight: 500; }
.sr-desc { display: block; font-size: 14.5px; color: var(--muted); }

/* ── Chân trang nền sáng ── */
.site-footer { background: var(--bg-alt); color: var(--text); font-size: 14.5px; border-top: 3px solid var(--gold); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-top: 44px; padding-bottom: 38px; }
.site-footer h3 { color: var(--navy); font-size: 14px; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; margin: 0 0 14px; }
.site-footer ul + h3 { margin-top: 26px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin: 7px 0; }
.site-footer a { color: var(--text); text-decoration: none; }
.site-footer a:hover { color: var(--gold-dark); }
.site-footer a.btn { color: #fff; }
.site-footer p { margin: 0 0 12px; }
.site-footer p a svg { vertical-align: -4px; }
.footer-logo { height: 58px; width: auto; margin-bottom: 14px; }
.footer-bottom { background: var(--navy); font-size: 13px; color: #c5cfdd; padding: 14px 0; }
.float-contact { position: fixed; right: 0; top: 52%; z-index: 40; background: var(--navy); color: #fff; text-decoration: none; font-size: 14.5px; padding: 10px 16px 10px 14px; display: flex; align-items: center; gap: 9px; box-shadow: 0 2px 10px rgba(16, 28, 48, .25); border-radius: 8px 0 0 8px; }
.float-contact:hover { background: var(--gold); color: var(--navy-dark); }
@media (max-width: 1420px) { .float-contact { padding: 10px 9px; } .float-contact span { display: none; } }
/* Thanh liên hệ nhanh ở đáy màn hình điện thoại + thông báo ngắn */
.mbar { display: none; }
.toast { position: fixed; left: 50%; bottom: 84px; transform: translateX(-50%); z-index: 130; background: var(--navy-dark); color: #fff; font-size: 14.5px; text-align: center; padding: 12px 18px; border-radius: 8px; box-shadow: 0 6px 24px rgba(0, 0, 0, .3); width: max-content; max-width: min(92vw, 520px); }
.print-head { display: none; }

/* ── Khung phát video ── */
.lightbox { position: fixed; inset: 0; z-index: 100; background: rgba(8, 14, 24, .9); display: grid; place-items: center; padding: 16px; }
.lightbox-inner { width: min(980px, 100%); }
.lightbox-frame { position: relative; aspect-ratio: 16 / 9; background: #000; }
.lightbox-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.lightbox-bar { display: flex; justify-content: space-between; align-items: center; gap: 16px; color: #fff; padding: 12px 2px; font-size: 15px; }
.lightbox-bar a { color: var(--gold); white-space: nowrap; }
.lightbox-close { position: absolute; top: 12px; right: 16px; background: none; border: 0; color: #fff; font-size: 38px; line-height: 1; cursor: pointer; padding: 6px 12px; }

/* ── Màn hình hẹp ── */
@media (max-width: 1180px) {
  .nav-list > li > a { padding-left: 11px; padding-right: 11px; font-size: 15.5px; }
  .nav-list { margin: 0 -11px; }
}
@media (max-width: 1100px) {
  .ggrid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .pgrid, .dgrid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hide-md { display: none !important; }
  .nav-list > li > a { padding-left: 9px; padding-right: 9px; font-size: 14.5px; }
  .nav-list { margin: 0 -9px; }
  .nav-tag { display: none; }
  .swatches, .cert-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .mega { gap: 18px; padding: 20px; }
}
@media (max-width: 940px) {
  .igrid, .istats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .icard b { font-size: 15px; }
  .trust ul { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .trust li:nth-child(3) { border-left: 0; }
  .trust li:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .cert-logos { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .mbar { display: grid; grid-template-columns: 1fr 1fr 1.3fr; position: fixed; left: 0; right: 0; bottom: 0; z-index: 45; background: #fff; border-top: 1px solid var(--line); box-shadow: 0 -4px 14px rgba(16, 28, 48, .12); }
  .mbar a { display: flex; align-items: center; justify-content: center; gap: 7px; padding: 13px 6px calc(13px + env(safe-area-inset-bottom)); font-size: 14.5px; font-weight: 600; color: var(--navy); text-decoration: none; }
  .mbar a + a { border-left: 1px solid var(--line); }
  .mbar a.mbar-main { background: var(--navy); color: #fff; }
  body { padding-bottom: 52px; }
  .float-contact { display: none !important; }
  .nav-tag { display: inline-block; }
  .ml { font-size: 13px; }
  .topstrip-note, .hide-sm { display: none !important; }
  .topstrip .wrap { justify-content: center; }
  .header-search { display: none; }
  .nav-toggle { display: block; }
  .logo img { height: 46px; }
  .hd-right { gap: 12px; }
  .mainnav { display: none; max-height: calc(100vh - 110px); overflow-y: auto; }
  .nav-open .mainnav { display: block; }
  .mainnav .wrap { padding: 0; }
  .nav-list { flex-direction: column; margin: 0; }
  .nav-list > li { border-bottom: 1px solid var(--line); position: relative; }
  .nav-list > li > a { padding: 14px 20px; border-bottom: 0; }
  .nav-list > li:hover > a, .nav-list > li > a.is-current { box-shadow: inset 4px 0 0 var(--gold); }
  .sub-toggle { display: block; position: absolute; right: 0; top: 0; width: 56px; height: 52px; background: none; border: 0; border-left: 1px solid var(--line); cursor: pointer; }
  .sub-toggle::after { content: ''; display: block; width: 9px; height: 9px; border-right: 2px solid var(--navy); border-bottom: 2px solid var(--navy); transform: rotate(45deg); margin: -4px auto 0; }
  .has-sub:hover .mega, .has-sub:focus-within .mega { display: none; }
  .has-sub.is-open .mega { display: block; position: static; box-shadow: none; border-top: 0; padding: 2px 20px 16px 34px; }
  .mega-col { margin-top: 14px; }
  .mega-head { min-height: 0; }
  .hs-desktop { display: none; }
  .hs-mobile { display: block; }
  .hs-mobile svg { width: 100%; height: auto; display: block; }
  .hs-list { list-style: none; counter-reset: hs; margin: 12px 0 4px; padding: 0; display: grid; gap: 8px; }
  .hs-list li { counter-increment: hs; display: grid; grid-template-columns: 30px 1fr; column-gap: 10px; row-gap: 4px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; }
  .hs-list li::before { content: counter(hs); grid-row: span 2; width: 28px; height: 28px; border-radius: 50%; background: var(--gold); color: var(--navy-dark); font-weight: 700; display: grid; place-items: center; font-size: 14px; }
  .hs-li-t { font-weight: 600; color: var(--navy); text-decoration: none; }
  .hs-li-p { display: flex; flex-wrap: wrap; gap: 6px; }
  .hs-li-p a { font-size: 13.5px; text-decoration: none; background: var(--bg-alt); border: 1px solid var(--line); border-radius: 999px; padding: 3px 11px; color: var(--navy); }
  .car-slide { padding: 14px 12px 6px; }
  .car-btn { top: 110px; width: 36px; height: 36px; font-size: 22px; }
  .car-full { display: none; }
  .vgrid, .bgrid, .agrid, .tgrid, .jgrid, .pgrid, .dgrid, .ggrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .feature-grid, .product-grid, .product-detail, .brand-intro, .contact-grid { grid-template-columns: 1fr; gap: 28px; }
  .product-media { max-width: 380px; }
  .section { padding: 44px 0; }
  .jmore div { grid-template-columns: 1fr; gap: 2px; }
  .swatches, .cert-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
  .igrid { gap: 10px; }
  .icard figcaption { padding: 34px 10px 10px; }
  .icard b { font-size: 13.5px; }
  .icard span, .icard em { font-size: 11.5px; }
  .trust ul { grid-template-columns: 1fr; }
  .trust li + li { border-left: 0; border-top: 1px solid var(--line); }
  .trust a { padding: 13px 4px; }
  .cert-logos { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
  .cert-logos li { padding: 6px 6px 8px; }
  .cert-logos span { font-size: 11.5px; }
  .swatches { gap: 10px; }
  .sw { grid-template-columns: 1fr; }
  .sw-area { text-align: left; padding: 0 12px; }
  .sw-name { padding: 0 10px; font-size: 14px; }
  .sw-qty { padding-left: 10px; }
  .stock-tools { padding: 14px; }
  .stock-tools label, .stock-tools select { width: 100%; }
  .stock-tools .inp, .stock-tools .inp input { width: 100%; }
  .fig-row { grid-template-columns: 1fr; }
  .product-actions .btn { flex: 1 1 100%; }
  .vgrid, .bgrid, .agrid, .tgrid, .jgrid, .steps, .gallery { grid-template-columns: 1fr; }
  .pgrid, .dgrid, .ggrid { gap: 12px; }
  .pbody { padding: 12px 12px 14px; }
  .pname { font-size: 15px; }
  .gbody { grid-template-columns: 1fr; padding: 12px; }
  .gnum { display: none; }
  .gname { font-size: 15px; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .hd-phone span { display: none; }
  .filter-label { min-width: 100%; }
  .btn { padding: 10px 18px; }
  .feature-body { padding: 18px; }
  .feature-title { font-size: 20px; }
  .quick li { grid-template-columns: 1fr; gap: 2px; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}

/* ── In ra giấy / lưu PDF: bỏ khung website, thêm tiêu đề công ty ── */
@media print {
  @page { size: A4; margin: 16mm 15mm; }
  .topstrip, .site-header, .breadcrumb, .site-footer, .float-contact, .mbar, .cta-band, .toast, .skip, .article-tools, .article ~ section, .lightbox, .presenter { display: none !important; }
  body { font-size: 11.5pt; padding: 0; }
  .print-head { display: flex; align-items: center; gap: 18px; border-bottom: 2px solid var(--navy); padding: 0 0 10px; margin: 0 0 18px; }
  .print-head img { height: 46px; width: auto; }
  .print-head p { margin: 0; font-size: 9.5pt; line-height: 1.4; color: #333; }
  .pdf-export .print-head { display: none; }
  .section { padding: 0; }
  .wrap, .wrap.narrow { max-width: none; padding: 0; }
  a { color: inherit; text-decoration: none !important; }
  .prose { font-size: 11.5pt; }
  .prose h2, .prose h3 { break-after: avoid; }
  .prose figure, .fig-row, .table-wrap, .prose li { break-inside: avoid; }
  .prose figure img { width: auto; max-width: 100%; max-height: 82mm; margin: 0 auto; }
  .fig-row figure img { max-height: 70mm; }
  .fig-row { grid-template-columns: .481fr 1fr; justify-items: center; }
  .report-cover img { display: none; }
  .pdf-export .report-cover { height: 232mm; display: flex; flex-direction: column; justify-content: center; break-after: page; border-left-width: 10px; padding-left: 30px; }
  .pdf-export .report-cover .article-title { font-size: 26pt; font-weight: 600; }
  .pdf-export .report-kind { font-size: 13pt; }
}

/* ───────── giải pháp theo hạng mục, tư vấn thiết kế, thư viện tài liệu, hệ thống đại lý ───────── */
.topstrip-right { display: flex; align-items: center; gap: 18px; white-space: nowrap; }
.topstrip-link { color: #d7deea; text-decoration: none; }
.topstrip-link:hover { color: #fff; text-decoration: underline; }
.hd-cta { white-space: nowrap; background: var(--gold); border-color: var(--gold); color: var(--navy-dark); }
.hd-cta:hover { background: var(--navy); border-color: var(--navy); color: #fff; }
.hd-search-link { display: none; color: var(--navy); padding: 8px; }
.nav-only-mobile { display: none; }
.has-drop { position: relative; }
.drop { display: none; position: absolute; left: 0; top: 100%; min-width: 340px; background: #fff; box-shadow: 0 16px 30px rgba(16, 28, 48, .16); border-top: 3px solid var(--gold); padding: 10px 0; z-index: 6; }
.has-drop:hover .drop, .has-drop:focus-within .drop { display: block; }
.drop-sm { min-width: 270px; }
.drop ul { list-style: none; margin: 0; padding: 0; }
.drop li a { display: flex; align-items: center; gap: 8px; padding: 10px 22px; color: var(--ink); text-decoration: none; font-size: 15.5px; }
.drop li a:hover { background: var(--bg-alt); color: var(--navy); }
.drop-more { border-top: 1px solid var(--line); margin-top: 6px; padding-top: 6px; }
.drop-more a { font-weight: 600; color: var(--navy); }
.hero-cta { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin: 16px 0 0; }

.solgrid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.solcard { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; text-decoration: none; color: inherit; box-shadow: var(--shadow); transition: transform .15s; }
.solcard:hover { transform: translateY(-3px); }
.solimg img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; display: block; background: var(--bg-alt); }
.solbody { display: flex; flex-direction: column; gap: 8px; padding: 18px 20px 20px; flex: 1; }
.solbody .sname { font-weight: 600; color: var(--navy); }
.sub-title-top { margin-top: 0; }

.sys { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 22px 24px 16px; margin: 0 0 22px; box-shadow: var(--shadow); scroll-margin-top: 130px; }
.sys h3 { font-size: 20px; font-weight: 600; color: var(--navy); margin: 0 0 4px; }
.sys-where { color: var(--muted); margin: 0 0 14px; font-size: 15px; }
.sys .systable th:nth-child(1) { width: 46%; }
.sys .systable th:nth-child(2) { width: 30%; }
.systable td small { display: block; color: var(--muted); font-size: 13.5px; margin-top: 2px; }
.systable a { text-decoration: none; color: var(--navy); }
.systable a:hover { text-decoration: underline; }
.systable svg { vertical-align: -4px; }
.sys-n { display: inline-flex; width: 22px; height: 22px; border-radius: 50%; background: var(--gold); color: var(--navy-dark); font-size: 12.5px; font-weight: 700; align-items: center; justify-content: center; margin-right: 8px; }
.sys-aux { color: var(--muted); font-style: italic; }
.sys-alt, .sys-src, .sys-note { font-size: 14.5px; margin: 10px 0 0; }
.sys-alt a { color: var(--navy); }
.sys-src, .sys-note { color: var(--muted); }
.sys-note { text-align: center; margin-top: 18px; }
.syscalc { max-width: 780px; margin: 6px auto 0; }
.syscalc select { font: inherit; font-size: 15px; padding: 8px 10px; border: 1px solid #c3cbd6; border-radius: 6px; background: #fff; max-width: 100%; }
.syscalc-out ul { list-style: none; margin: 6px 0; padding: 0; display: grid; gap: 4px; }
.syscalc-out li { display: flex; flex-wrap: wrap; gap: 4px 12px; align-items: baseline; }
.syscalc-out li span { min-width: 230px; color: var(--ink); font-size: 15px; }
.syscalc-out li em { font-style: normal; color: var(--muted); }
.syscalc-out p { margin: 0; font-weight: 600; color: var(--navy); }
.syscalc-actions { margin: 4px 0 0; }

.tpick { display: flex; flex-wrap: wrap; gap: 14px 34px; margin: 0 0 28px; padding: 18px 20px; background: var(--bg-alt); border: 1px solid var(--line); border-radius: 10px; }
.tpick-group { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.tpick-label { font-size: 12.5px; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; color: var(--gold-dark); margin-right: 4px; }
.tpick .chip { text-decoration: none; }
.tpanel { scroll-margin-top: 130px; margin: 0 0 30px; }
.tpanel h2 { font-size: 24px; font-weight: 600; color: var(--navy); margin: 0 0 4px; }
.tpanel-note { color: var(--muted); margin: 0 0 14px; }
.dz-layer { display: block; padding: 1px 0 7px; }
.dz-layer small { display: inline; margin-left: 6px; }
.dz-layer em { display: block; font-style: normal; font-size: 13.5px; color: var(--text); }
.dz-alt { display: block; font-size: 13.5px; margin-top: 2px; padding-top: 7px; border-top: 1px dashed var(--line); }
.dztable td:first-child { min-width: 210px; }
.dztable td:last-child { white-space: nowrap; }

.rfq { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 24px; box-shadow: var(--shadow); scroll-margin-top: 130px; }
.rfq-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 18px; }
.rfq label { display: flex; flex-direction: column; gap: 5px; font-size: 14px; font-weight: 600; color: var(--navy); }
.rfq-wide { grid-column: 1 / -1; }
.rfq input, .rfq select, .rfq textarea { font: inherit; font-size: 15.5px; font-weight: 400; color: var(--ink); padding: 10px 12px; border: 1px solid #c3cbd6; border-radius: 6px; background: #fff; width: 100%; }
.rfq input:focus, .rfq select:focus, .rfq textarea:focus { outline: 0; border-color: var(--navy); box-shadow: 0 0 0 3px rgba(20, 49, 90, .12); }
.rfq-actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 18px 0 8px; }
.rfq-note { font-size: 13.5px; color: var(--muted); margin: 0; }

.doclib td:nth-child(3), .doclib td:nth-child(4) { white-space: nowrap; }
.doclib td:first-child { min-width: 250px; }
.notice { border: 1px solid var(--gold); background: #fdfaf3; border-radius: 10px; padding: 24px; text-align: center; }
.notice p { margin: 0 0 10px; }
.notice .section-actions { margin: 16px 0 0; }
.tgrid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.dlgrid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.dlcard { display: flex; flex-direction: column; gap: 6px; border: 1px solid var(--line); border-radius: 10px; padding: 18px 20px; background: #fff; }
.dlbrands { font-size: 13.5px; color: var(--gold-dark); font-weight: 600; }
.dlactions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.jcodes { font-size: 14.5px; margin: 8px 0 0; }
.jcodes a { color: var(--navy); }
.search-help { margin-top: 30px; border-top: 1px solid var(--line); }
.search-ask { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin: 18px 0 0; }
.footer-grid { grid-template-columns: 1.35fr 1fr 1fr 1fr 1.15fr; gap: 32px; }

@media (max-width: 1280px) {
  .hd-yt { display: none !important; }
}
@media (max-width: 1100px) {
  .nav-tag { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
}
@media (max-width: 940px) {
  .hd-cta, .topstrip-link { display: none; }
  .hd-search-link { display: inline-flex; }
  .nav-only-mobile { display: block; }
  .nav-cta > a { font-weight: 600; color: var(--navy); background: #fdfaf3; }
  .has-drop:hover .drop, .has-drop:focus-within .drop { display: none; }
  .has-drop.is-open .drop { display: block; position: static; box-shadow: none; border-top: 0; padding: 0 0 10px 14px; min-width: 0; }
  .solgrid, .rfq-grid, .tgrid-2, .dlgrid { grid-template-columns: 1fr; }
  .sys { padding: 18px 16px 12px; }
  .systable { font-size: 14.5px; }
  .systable th, .systable td { padding: 8px 10px; }
  .tpick { gap: 12px; padding: 14px; }
  .tpick .chip { padding: 10px 16px; }
  .dztable td:first-child { min-width: 150px; }
  .dztable td:last-child { white-space: normal; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
  .dztable thead { display: none; }
  .dztable, .dztable tbody, .dztable tr, .dztable td { display: block; }
  .dztable tr { border: 1px solid var(--line); border-radius: 8px; margin: 0 0 12px; overflow: hidden; }
  .dztable td { border: 0; padding: 8px 12px; }
  .dztable td:first-child { background: var(--bg-alt); min-width: 0; }
  .rfq { padding: 18px 16px; }
  .rfq-actions .btn { flex: 1 1 100%; }
}
@media print {
  .hero-cta, .rfq-actions, .tpick { display: none !important; }
}

/* ───────── hình mặt cắt có đánh số vị trí (trang Giải pháp, Tư vấn thiết kế) ───────── */
.xsec { display: grid; grid-template-columns: minmax(0, 1.22fr) minmax(0, 1fr); gap: 26px; align-items: start; margin: 0 0 8px; }
.xs-figwrap { position: sticky; top: 128px; }
.xs-fig { background: #fff; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; box-shadow: var(--shadow); margin: 0; }
.xs-fig svg { display: block; width: 100%; height: auto; }
.xs-fig text, .xs-thumb text { font: 500 15px 'Be Vietnam Pro', sans-serif; fill: #50627c; }
.xs-fig .x-lb, .xs-thumb .x-lb { font-size: 19px; font-weight: 600; fill: #35507a; }
.xs-fig .x-on, .xs-thumb .x-on { fill: #fff; }
.xs-fig .x-wt, .xs-thumb .x-wt { fill: #2f7fd6; }
.x-sky { fill: #f6f8fb; }
.x-soil { fill: #dfebf8; }
.x-ground { fill: #e9e4d9; }
.x-room { fill: #fff; }
.x-wall { fill: #b9c0cb; }
.x-slab { fill: #98a2b1; }
.x-pile { fill: #c9ced6; }
.x-steel { fill: #7f8b9c; }
.x-prot { fill: #d3d8df; }
.x-xps { fill: #f3cfd8; }
.x-soil2 { fill: #a98356; }
.x-plant { fill: #3f9b52; }
.x-waterfill { fill: #a8d8f2; }
.x-waste { fill: #c6bfa3; }
.x-mach { fill: #e3e7ec; stroke: #8a94a3; stroke-width: 2; }
.x-mach2 { fill: none; stroke: #8a94a3; stroke-width: 2; }
.x-fix { fill: #fff; stroke: #8a94a3; stroke-width: 2; }
.x-fixl, .x-rail { fill: none; stroke: #8a94a3; stroke-width: 2.5; }
.x-pipe { fill: #fff; stroke: #5b6675; stroke-width: 1.5; }
.x-grout { fill: #6a4fb3; }
.x-jline { fill: none; stroke: #222; stroke-width: 1.5; stroke-dasharray: 3 3; }
.x-break { fill: none; stroke: #98a2b1; stroke-width: 1.5; }
.x-lean { fill: none; stroke: #cdd3db; stroke-width: 14; }
.x-mem, .x-cry, .x-pu, .x-cem, .x-paint, .x-top, .x-mesh, .x-hard, .x-tile { fill: none; stroke-linejoin: round; }
.x-mem { stroke: #d0142c; stroke-width: 5.5; }
.x-cry { stroke: #1769d6; stroke-width: 5; }
.x-pu { stroke: #ef7d00; stroke-width: 5; }
.x-top { stroke: #f4c20d; stroke-width: 3.5; }
.x-cem { stroke: #12965a; stroke-width: 5; }
.x-mesh { stroke: #063f26; stroke-width: 5; stroke-dasharray: 4 3; }
.x-paint { stroke: #8a3ffc; stroke-width: 5; }
.x-hard { stroke: #2b3a4d; stroke-width: 3.5; }
.x-tile { stroke: var(--gold-dark); stroke-width: 4; stroke-dasharray: 14 3; }
.x-joint { fill: #111; }
.x-water { fill: none; stroke: #3d8fe0; stroke-width: 2.2; }
.x-water-h { fill: #3d8fe0; }
.x-sun { fill: #f4c20d; }
.x-sunray { fill: none; stroke: #f4c20d; stroke-width: 3; stroke-linecap: round; }

.xs-dot { cursor: pointer; }
.xs-dot g { transform-box: fill-box; transform-origin: center; }
.xs-hit { fill: transparent; }
.xs-c { fill: var(--navy); stroke: #fff; stroke-width: 2.5; transition: fill .15s; }
.xs-fig .xs-dot text { font: 700 15px 'Be Vietnam Pro', sans-serif; fill: #fff; pointer-events: none; }
.xs-dot:hover .xs-c, .xs-dot:focus .xs-c, .xs-dot.is-on .xs-c { fill: var(--gold); stroke: var(--navy); }
.xs-fig .xs-dot:hover text, .xs-fig .xs-dot:focus text, .xs-fig .xs-dot.is-on text { fill: var(--navy-dark); }
.xs-dot:focus { outline: none; }
.xs-legend { list-style: none; margin: 10px 2px 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 18px; font-size: 12.5px; color: var(--muted); }
.xs-legend li { display: inline-flex; align-items: center; gap: 7px; }
.lg { display: inline-block; width: 22px; height: 5px; border-radius: 1px; background: #999; }
.lg-mem { background: #d0142c; } .lg-cry { background: #1769d6; } .lg-pu { background: #ef7d00; } .lg-top { background: #f4c20d; } .lg-cem { background: #12965a; }
.lg-mesh { background: repeating-linear-gradient(90deg, #063f26 0 4px, transparent 4px 7px); } .lg-paint { background: #8a3ffc; } .lg-joint { width: 8px; height: 8px; background: #111; border-radius: 0; }
.lg-grout { width: 8px; height: 8px; background: #6a4fb3; border-radius: 0; } .lg-hard { background: #2b3a4d; } .lg-tile { background: repeating-linear-gradient(90deg, var(--gold-dark) 0 12px, transparent 12px 15px); }
.xs-hint { font-size: 13.5px; color: var(--muted); margin: 8px 2px 0; text-align: center; }
.xs-pop { display: none; }

.xs-rows { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.xs-row { display: grid; grid-template-columns: 32px minmax(0, 1fr); gap: 12px; background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px 11px; scroll-margin-top: 150px; transition: border-color .15s, box-shadow .15s; }
.xs-row.is-on { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(201, 164, 103, .3); }
.xs-n { width: 32px; height: 32px; border-radius: 50%; background: var(--navy); color: #fff; font-weight: 700; font-size: 15px; display: grid; place-items: center; border: 0; padding: 0; cursor: pointer; }
.xs-row.is-on .xs-n, .xs-n:hover { background: var(--gold); color: var(--navy-dark); }
.xs-pos { font-size: 16.5px; font-weight: 600; color: var(--navy); margin: 3px 0 6px; line-height: 1.35; }
.xs-l { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0 8px; margin: 0 0 3px; font-size: 14.5px; line-height: 1.5; }
.xs-l a { font-weight: 600; color: var(--ink); text-decoration: none; border-bottom: 1.5px solid var(--gold); }
.xs-l a:hover { color: var(--gold-dark); }
.xs-l span { color: var(--muted); font-size: 13.5px; }
.xs-l em { font-style: normal; color: var(--muted); font-size: 13.5px; }
.xs-alt { font-size: 13.5px; color: var(--muted); margin: 4px 0 0; }
.xs-alt a { color: var(--navy); }
.xs-text { font-size: 14.5px; margin: 0; }
.xs-more { margin-top: 6px; }
.xs-more summary { cursor: pointer; font-size: 13.5px; font-weight: 600; color: var(--navy); list-style: none; display: inline-flex; align-items: center; gap: 6px; padding: 3px 0; }
.xs-more summary::-webkit-details-marker { display: none; }
.xs-more summary::after { content: ''; width: 7px; height: 7px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg); margin-top: -4px; transition: transform .15s; }
.xs-more[open] summary::after { transform: rotate(-135deg); margin-top: 3px; }
.xs-more ol { margin: 6px 0 4px; padding: 0 0 0 20px; font-size: 13.5px; color: var(--text); display: grid; gap: 3px; }
.xs-more ol b { font-weight: 600; color: var(--ink); }
.xs-more p { font-size: 13px; color: var(--muted); margin: 4px 0 0; }
.xs-more p a { color: var(--navy); }

.xtabs { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 18px; }
.xtabs .chip { text-decoration: none; }
.xpanel { scroll-margin-top: 140px; }
.xs-thumb { display: block; background: #f6f8fb; border-bottom: 1px solid var(--line); }
.xs-thumb svg { display: block; width: 100%; height: auto; aspect-ratio: 16 / 10; }
.xs-thumb text { display: none; }
.xs-thumb img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; display: block; }
.helpstrip { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.helpstrip li { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; font-size: 14.5px; line-height: 1.45; }
.helpstrip b { display: block; color: var(--navy); font-weight: 600; margin-bottom: 2px; }
.helpstrip a { color: var(--navy); }
.steps-acc { border: 1px solid var(--line); border-radius: 10px; background: #fff; margin: 0 0 10px; }
.steps-acc summary { cursor: pointer; padding: 14px 18px; font-weight: 600; color: var(--navy); font-size: 16.5px; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.steps-acc summary::-webkit-details-marker { display: none; }
.steps-acc summary::after { content: '+'; font-size: 22px; font-weight: 400; line-height: 1; color: var(--gold-dark); }
.steps-acc[open] summary::after { content: '–'; }
.steps-acc .prose { padding: 0 18px 14px; }
.steps-acc ol { margin: 0 0 10px; padding-left: 22px; }

@media (max-width: 940px) {
  .xsec { grid-template-columns: 1fr; gap: 14px; }
  .xs-figwrap { position: static; }
  .xs-fig text, .xs-thumb text { display: none; }
  .xs-fig .x-lb, .xs-fig .xs-dot text { display: block; }
  .xs-fig .x-lb { font-size: 24px; }
  .xs-dot g { transform: scale(1.55); }
  .xs-hint { display: none; }
  .xs-pop { display: block; scroll-margin: 90px 0 76px; border: 2px solid var(--gold); border-radius: 10px; background: #fdfaf3; padding: 10px 12px; margin: 10px 0 0; min-height: 58px; }
  .xs-pop .xs-row { border: 0; padding: 0; background: none; box-shadow: none; }
  .xs-pop-hint { margin: 0; font-size: 14.5px; color: var(--text); text-align: center; padding: 8px 0; }
  .xs-legend { font-size: 12px; gap: 3px 14px; }
  .helpstrip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .xtabs { flex-wrap: nowrap; overflow-x: auto; margin: 0 -20px 14px; padding: 2px 20px 6px; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
  .xtabs::-webkit-scrollbar { display: none; }
  .xtabs .chip { flex: 0 0 auto; padding: 10px 16px; }
}
@media (max-width: 560px) {
  .helpstrip { grid-template-columns: 1fr; gap: 10px; }
  .xs-row { padding: 11px 12px 10px; gap: 10px; }
}
@media print {
  .xs-figwrap { position: static; }
  .xs-pop, .xtabs, .xs-hint { display: none !important; }
  .xpanel[hidden] { display: block !important; }
}
/* ───────── điện thoại: vùng chạm đủ lớn cho ngón tay (từ 30px trở lên), chữ không dưới 12px ───────── */
@media (max-width: 940px) {
  .hd-link, .hd-search-link { padding: 10px; margin: -4px -2px; }
  .breadcrumb li { padding: 6px 0; }
  .breadcrumb a { display: inline-block; padding: 6px 0; margin: -6px 0; }
  .kicker a, .pbrand a, .site-footer li a, .site-footer p a:not(.btn), .contact-info p a, .quick a, .trust-list a, .ptable td a, .systable td a, .hs-li-t, .pgroup-title a { display: inline-block; padding-top: 6px; padding-bottom: 6px; }
  .site-footer li { margin: 1px 0; }
  .xs-l a { display: inline-block; padding-top: 8px; padding-bottom: 1px; }
  .xs-alt a { display: inline-block; padding: 6px 0; }
  .xs-more summary { padding: 7px 0; }
  .car-dots button, .car-dots button.is-on { height: 30px; padding: 12px 0; background-clip: content-box; border-radius: 0; }
  .icard span, .icard em, .cert-logos span { font-size: 12px; }
  .sw-name i, .nav-tag { font-size: 12px; }
}
/* ───────── đầu trang: hai nút đại lý cạnh nút "Tư vấn thiết kế" (Việt chọn phương án 3, 04/10/2026) ───────── */
.hd-right { gap: 14px; }
.hd-phone { margin-right: 4px; }
.header-search { width: 180px; }
.hd-dl { white-space: nowrap; gap: 7px; }
.nav-dl > a svg { color: var(--gold-dark); }
@media (min-width: 941px) and (max-width: 1200px) {
  .header-search { display: none; }
  .hd-search-link { display: inline-flex; order: -1; }
  .hd-phone { order: -2; }
}
@media (min-width: 941px) and (max-width: 1040px) {
  .logo img { height: 52px; }
  .hd-right { gap: 9px; }
  .hd-right .btn-sm { padding: 6px 10px; font-size: 13px; }
}
@media (max-width: 940px) {
  .hd-dl { display: none; }
  .hd-right { gap: 12px; }
  .nav-list > li.nav-dl > a { display: flex; align-items: center; gap: 10px; font-weight: 600; color: var(--navy); }
}
/* ───────── trang chủ: "Tôi đang tìm" ngay trên hình tòa nhà – tách khách dự án và khách mua lẻ (Việt chốt 05/10/2026;
   cùng ngày thu gọn: hai nút cỡ vừa, bằng nhau, căn giữa, chỉ ghi tên) ───────── */
.seek { display: flex; align-items: center; justify-content: center; gap: 16px; margin: 0 auto 16px; }
.seek-label { margin: 0; font-size: 12.5px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--gold-dark); white-space: nowrap; }
.seek-opts { display: inline-grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.seek-opt { display: flex; align-items: center; justify-content: center; gap: 10px; padding: 10px 18px; border-radius: 8px; font-size: 15.5px; font-weight: 600; line-height: 1.3; text-decoration: none; box-shadow: var(--shadow); transition: transform .15s, box-shadow .15s, background .15s; }
.seek-opt svg { flex-shrink: 0; width: 22px; height: 22px; }
.seek-opt svg:last-child { width: 16px; height: 16px; transition: transform .15s; }
.seek-opt:hover { transform: translateY(-1px); box-shadow: 0 2px 4px rgba(16, 28, 48, .1), 0 10px 22px rgba(16, 28, 48, .15); }
.seek-opt:hover svg:last-child { transform: translateX(3px); }
.seek-pro { background: var(--navy); color: #fff; }
.seek-pro svg:first-child { color: var(--gold); }
.seek-pro:hover { background: var(--navy-dark); color: #fff; }
.seek-shop { background: var(--gold); color: var(--navy-dark); }
.seek-shop:hover { background: #d6b57d; color: var(--navy-dark); }
/* ───────── trang Mua lẻ ───────── */
.retail .pgroup:first-child { margin-top: 0; }
.rgroup-note { margin: -6px 0 16px; font-size: 14.5px; color: var(--text); }
.rgroup-note a { font-weight: 600; white-space: nowrap; }
.rgroup-note a svg { width: 15px; height: 15px; vertical-align: -2px; }
.rgroup-more { margin: 16px 0 0; }
.nw { white-space: nowrap; }
.cta-band h2 { text-wrap: balance; }
@media (max-width: 760px) {
  .seek { flex-direction: column; gap: 8px; }
  .seek-opts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); width: 100%; }
}
@media (max-width: 940px) {
  .section.jump { padding: 14px 0 0; } /* hàng nút nhảy tới nhóm: không để khoảng trắng dày hơn nội dung */
  .chips-scroll { flex-wrap: nowrap; overflow-x: auto; margin: 0 -20px; padding: 2px 20px 6px; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
  .chips-scroll::-webkit-scrollbar { display: none; }
  .chips-scroll a { flex: 0 0 auto; padding: 10px 16px; }
  .rgroup-note a { display: inline-block; padding: 6px 0; }
}
@media (max-width: 560px) {
  /* điện thoại: hai nút vẫn cạnh nhau, tên xuống tối đa hai dòng cân nhau */
  .seek-opts { gap: 10px; }
  .seek-opt { gap: 8px; padding: 10px; font-size: 14.5px; }
  .seek-opt span { text-wrap: balance; }
  .seek-opt svg:first-child { width: 20px; height: 20px; }
  .seek-opt svg:last-child { display: none; }
}
@media print {
  .seek { display: none !important; }
}
/* điện thoại khổ hẹp 360–400px (nhiều máy Android): logo nhỏ lại để nút menu ☰ không tràn ra mép phải */
@media (max-width: 400px) {
  .hd-main .wrap { gap: 10px; }
  .logo img, .is-stuck .logo img { height: 40px; }
  .hd-right { gap: 8px; }
}