:root {
  --ink: #0f172a;
  --navy: #1a7fd4;
  --navy-2: #3898e2;
  --blue: #1d5fe0;
  --red: #e3202f;
  --red-dark: #c01623;
  --yellow: #ffc423;
  --muted: #5b6474;
  --line: #e6e9ef;
  --bg: #f6f7f9;
  --white: #fff;
  --zalo: #0068ff;
  --radius: 14px;
  --shadow: 0 18px 44px rgba(26, 127, 212, 0.12);
  --shadow-sm: 0 2px 10px rgba(26, 127, 212, 0.06);
  --wrap: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  overflow-x: clip;
  font-family: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 16.5px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { line-height: 1.2; margin: 0; text-wrap: balance; letter-spacing: -.01em; }
p { margin: 0 0 1em; }
.wrap { width: min(var(--wrap), 100% - 40px); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
svg.ic { display: inline-block; width: 1.15em; height: 1.15em; flex: none; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
[hidden] { display: none !important; }

/* ---------- Nút bấm ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 14px 26px; border-radius: 10px; border: 1.5px solid transparent;
  font: inherit; font-weight: 600; cursor: pointer; white-space: nowrap;
  transition: transform .15s ease, background .15s ease, box-shadow .15s ease, color .15s ease, border-color .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-red { background: var(--red); color: #fff; }
.btn-red:hover { background: var(--red-dark); box-shadow: 0 10px 24px rgba(227, 32, 47, .28); }
.btn-navy { background: var(--navy); color: #fff; }
.btn-navy:hover { background: var(--navy-2); }
.btn-zalo { background: var(--zalo); color: #fff; }
.btn-zalo:hover { box-shadow: 0 10px 24px rgba(0, 104, 255, .28); }
.btn-ghost { border-color: rgba(255, 255, 255, .45); color: #fff; }
.btn-ghost:hover { background: #fff; color: var(--navy); border-color: #fff; }
.btn-white { background: #fff; color: var(--navy); }
.btn-line { border-color: var(--line); color: var(--ink); background: #fff; }
.btn-line:hover { border-color: var(--ink); }
.btn-sm { padding: 8px 14px; font-size: 14px; border-radius: 8px; }

/* ---------- Thanh trên cùng ---------- */
.topbar { background: var(--navy); color: #dcefff; font-size: 13.5px; }
.topbar .wrap { display: flex; gap: 22px; align-items: center; justify-content: space-between; min-height: 38px; }
.topbar span, .topbar a { display: inline-flex; align-items: center; gap: 7px; white-space: nowrap; }
.topbar a:hover { color: #fff; }
.topbar-right { display: flex; gap: 22px; }

/* ---------- Đầu trang ---------- */
.header { position: sticky; top: 0; z-index: 50; background: #fff; border-bottom: 1px solid var(--line); }
.header .wrap { display: flex; align-items: center; gap: 16px; min-height: 82px; }
.brand { display: flex; align-items: center; gap: 12px; flex: none; }
.brand img { height: 54px; width: auto; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text small { font-size: 11.5px; font-weight: 600; letter-spacing: .8px; color: var(--muted); }
.brand-text b { font-size: 20px; font-weight: 800; color: var(--navy); letter-spacing: .2px; }

.nav { margin-left: 6px; }
.nav > ul { display: flex; align-items: center; gap: 2px; list-style: none; margin: 0; padding: 0; }
.nav > ul > li > a { display: flex; align-items: center; gap: 5px; padding: 10px clamp(5px, .62vw, 10px); border-radius: 8px; font-weight: 500; font-size: 15.5px; color: var(--ink); white-space: nowrap; transition: .15s ease; }
.nav > ul > li > a:hover { background: var(--bg); }
.nav > ul > li > a[aria-current="page"] { color: var(--red); font-weight: 600; }
.nav > ul > li > a svg { width: 16px; height: 16px; color: var(--muted); }
.nav .has-sub { position: relative; }
.nav .sub {
  position: absolute; left: 0; top: calc(100% + 10px); width: max-content; min-width: 300px; padding: 10px; margin: 0; list-style: none;
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--line);
  opacity: 0; visibility: hidden; transform: translateY(6px); transition: .16s ease;
}
.nav .sub::before { content: ""; position: absolute; left: 0; right: 0; top: -12px; height: 12px; }
.nav .has-sub:hover .sub, .nav .has-sub:focus-within .sub { opacity: 1; visibility: visible; transform: none; }
.nav .sub a { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 11px 14px; border-radius: 9px; font-weight: 500; font-size: 15.5px; }
.nav .sub a:hover { background: var(--bg); color: var(--red); }
.nav .sub em { font-style: normal; font-size: 12.5px; color: var(--muted); }

.hsearch { position: relative; margin-left: auto; flex: 1 1 60px; max-width: 200px; min-width: 44px; }
.hsearch input { width: 100%; padding: 11px 44px 11px 16px; border-radius: 10px; border: 1.5px solid var(--line); background: var(--bg); font: inherit; font-size: 15px; transition: .15s ease; }
.hsearch input:focus { outline: none; border-color: var(--navy); background: #fff; }
.hsearch button { position: absolute; right: 4px; top: 4px; bottom: 4px; width: 38px; border: 0; border-radius: 8px; background: transparent; color: var(--navy); cursor: pointer; display: grid; place-items: center; }
.hsearch button:hover { background: var(--line); }
.hsearch button svg { width: 19px; height: 19px; }

.hotline { display: flex; align-items: center; gap: 10px; flex: none; padding: 9px 16px 9px 10px; border-radius: 12px; background: var(--red); color: #fff; transition: .15s ease; }
.hotline:hover { background: var(--red-dark); box-shadow: 0 10px 24px rgba(227, 32, 47, .28); }
.hotline-ico { width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center; background: rgba(255, 255, 255, .18); }
.hotline-ico svg { width: 18px; height: 18px; }
.hotline small { display: block; font-size: 11.5px; opacity: .85; line-height: 1.2; }
.hotline b { font-size: 17px; font-weight: 700; line-height: 1.2; white-space: nowrap; }

.menu-btn { display: none; width: 46px; height: 46px; border: 1.5px solid var(--line); border-radius: 10px; background: #fff; cursor: pointer; align-items: center; justify-content: center; color: var(--navy); }
.menu-btn svg { width: 22px; height: 22px; }

/* ---------- Phần mở đầu trang chủ ---------- */
.hero { position: relative; color: #fff; background: radial-gradient(900px 520px at 78% 30%, #4aa6ea 0%, transparent 62%), linear-gradient(180deg, #0d5399 0%, var(--navy) 100%); }
.hero .wrap { display: grid; grid-template-columns: 1fr 1.08fr; gap: 56px; align-items: center; padding-block: 72px 150px; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 600; letter-spacing: 1.6px; text-transform: uppercase; color: var(--red); }
.eyebrow::before { content: ""; width: 26px; height: 2px; background: currentColor; }
.hero .eyebrow { color: #ffd0d4; }
.hero h1 { font-size: clamp(38px, 5vw, 66px); font-weight: 700; letter-spacing: -.025em; line-height: 1.06; margin: 20px 0 20px; }
.hero h1 span { color: #ff5b68; }
.hero-lead { font-size: 18.5px; color: #cfe6fb; max-width: 46ch; margin-bottom: 30px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-actions .btn { padding: 16px 28px; font-size: 16.5px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px 26px; margin: 34px 0 0; padding: 0; list-style: none; font-size: 15px; color: #cfe6fb; }
.hero-points li { display: inline-flex; align-items: center; gap: 8px; }
.hero-points svg { color: #5ee0a0; }

.scene-box { position: relative; }
.scene { width: 100%; height: auto; filter: drop-shadow(0 30px 50px rgba(3, 10, 30, .45)); }
.scene-chip { position: absolute; display: inline-flex; align-items: center; gap: 9px; padding: 11px 16px; border-radius: 12px; background: #fff; color: var(--ink); font-size: 14.5px; font-weight: 600; box-shadow: 0 14px 30px rgba(3, 10, 30, .3); white-space: nowrap; }
.scene-chip svg { width: 20px; height: 20px; color: var(--red); }
.scene-chip.c1 { left: -18px; top: 13%; }
.scene-chip.c2 { right: -10px; bottom: 21%; }
.scene-inch { position: absolute; left: 50.5%; top: 36%; transform: translate(-50%, -50%); padding: 5px 13px; border-radius: 999px; background: var(--yellow); color: #2a1c00; font-weight: 800; font-size: 15px; box-shadow: 0 6px 16px rgba(0, 0, 0, .3); }

/* ---------- Banner chạy ---------- */
.slider { position: relative; background: var(--navy); }
.slides, .track { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; -ms-overflow-style: none; }
.slides::-webkit-scrollbar, .track::-webkit-scrollbar { display: none; }
.slider .slides { display: grid; overflow: hidden; }
.slide { position: relative; grid-area: 1 / 1; overflow: hidden; display: flex; align-items: center; min-height: 560px; color: #fff; opacity: 0; visibility: hidden; transition: opacity .8s ease, visibility .8s; }
.slide.on { opacity: 1; visibility: visible; z-index: 1; }
.slide .s-text > * { opacity: 0; transform: translateY(22px); transition: opacity .7s ease .15s, transform .7s ease .15s; }
.slide .s-text > :nth-child(2) { transition-delay: .25s; }
.slide .s-text > :nth-child(3) { transition-delay: .35s; }
.slide .s-text > :nth-child(4) { transition-delay: .45s; }
.slide.on .s-text > * { opacity: 1; transform: none; }
.slide .wrap { position: relative; z-index: 1; }
.s-banner { background: #dfe9fb; }
.s-banner::before { content: ""; position: absolute; inset: -60px; background: url(/assets/img/banner.webp) center / cover; filter: blur(46px) saturate(1.25); opacity: .9; }
.s-banner .wrap { display: block; max-width: 1080px; padding-block: 30px 50px; }
.s-banner img { width: 100%; border-radius: 22px; box-shadow: 0 30px 60px rgba(26, 127, 212, .28); }
.s-cap { display: none; }
.s-split .wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; padding-block: 36px 56px; }
.s-split.t-navy { background: radial-gradient(800px 480px at 80% 40%, #1d4399, transparent 62%), linear-gradient(180deg, #0d5399, #1a7fd4); }
.s-split.t-blue { background: radial-gradient(800px 480px at 80% 40%, #4d8dff, transparent 62%), linear-gradient(135deg, #0f46c4, #1d5fe0); }
.s-split.t-dark { background: radial-gradient(800px 480px at 80% 40%, #3a4358, transparent 62%), linear-gradient(180deg, #12151d, #1a1f2b); }
.s-text .eyebrow { color: #ffd0d4; }
.t-blue .s-text .eyebrow { color: #fff; }
.s-text h2 { font-size: clamp(32px, 4.2vw, 54px); font-weight: 700; line-height: 1.08; letter-spacing: -.025em; margin: 18px 0 18px; }
.s-text p { font-size: 18.5px; color: #d3dcf0; max-width: 44ch; margin-bottom: 30px; }
.t-blue .s-text p { color: #e6eeff; }
.s-text .btn { padding: 16px 28px; font-size: 16.5px; }
.t-blue .s-text .btn { background: #fff; color: var(--navy); }
.s-shot { display: block; max-width: 470px; margin-left: auto; border-radius: 26px; overflow: hidden; background: #fff; border: 6px solid #fff; box-shadow: 0 34px 70px rgba(3, 10, 30, .45); transform: rotate(2.5deg); transition: transform .35s ease; }
.sl-btn { position: absolute; top: 50%; transform: translateY(-50%); z-index: 3; width: 48px; height: 48px; border-radius: 50%; border: 0; background: rgba(255, 255, 255, .92); color: var(--navy); cursor: pointer; display: grid; place-items: center; box-shadow: 0 8px 22px rgba(3, 10, 30, .25); transition: .15s ease; }
.sl-btn:hover { background: var(--red); color: #fff; }
.sl-btn svg { width: 22px; height: 22px; }
.sl-prev { left: 18px; }
.sl-next { right: 18px; }
.sl-dots { position: absolute; left: 0; right: 0; bottom: 18px; z-index: 3; display: flex; justify-content: center; gap: 8px; }
.sl-dots button { width: 10px; height: 10px; padding: 0; border: 0; border-radius: 999px; background: rgba(255, 255, 255, .55); box-shadow: 0 0 0 1px rgba(26, 127, 212, .25); cursor: pointer; transition: .25s ease; }
.sl-dots button.on { width: 34px; background: var(--red); box-shadow: none; }

/* dãy sản phẩm tự trượt */
.carousel { position: relative; }
.track { gap: 22px; padding: 6px 2px 30px; margin: -6px -2px -30px; }
.track > .card { flex: 0 0 calc((100% - 66px) / 4); scroll-snap-align: start; }
.carousel .sl-btn { top: 38%; }
.carousel .sl-prev { left: -22px; }
.carousel .sl-next { right: -22px; }

/* ô chọn theo cỡ tivi */
.finder-sec { position: relative; z-index: 2; margin-top: 28px; }
.finder { display: grid; grid-template-columns: .8fr 1.2fr; gap: 40px; align-items: center; padding: 24px 32px; border-radius: 18px; background: #fff; box-shadow: var(--shadow); border: 1px solid var(--line); }
.finder h2 { font-size: clamp(22px, 2.5vw, 29px); font-weight: 700; color: var(--navy); margin-top: 10px; }
.finder p { margin: 8px 0 0; color: var(--muted); font-size: 15.5px; }
.inches { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr); gap: 8px; }
.inch { display: grid; place-items: center; padding: 12px 4px; border-radius: 12px; background: var(--bg); color: var(--navy); line-height: 1.1; border: 1.5px solid var(--line); transition: .15s ease; }
.inch b { font-size: 24px; font-weight: 700; }
.inch small { font-size: 12px; color: var(--muted); }
.inch:hover { background: var(--navy); color: #fff; border-color: var(--navy); transform: translateY(-3px); }
.inch:hover small { color: #dcefff; }
.finder-kinds { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 16px; font-size: 14.5px; color: var(--muted); }

.inch.on { background: var(--navy); color: #fff; border-color: var(--navy); }
.inch.on small { color: #dcefff; }
.chip.on { background: var(--navy); border-color: var(--navy); color: #fff; }
.finder { scroll-margin-top: 100px; }
.finder-result { margin-top: 30px; scroll-margin-top: 104px; }
.fr-head { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.fr-head h3 { font-size: clamp(20px, 2.2vw, 26px); font-weight: 700; color: var(--navy); }
.fr-empty { margin: 0; padding: 28px; text-align: center; color: var(--muted); border: 1.5px dashed var(--line); border-radius: var(--radius); background: var(--bg); }
.fr-empty a { color: var(--red); font-weight: 600; }
.filters { scroll-margin-top: 104px; }

/* cam kết */
.trust { padding-block: 30px 0; }
.trust ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); }
.trust li { display: flex; gap: 16px; align-items: center; padding: 6px 28px; }
.trust li + li { border-left: 1px solid var(--line); }
.trust li:first-child { padding-left: 0; }
.trust .ico { width: 50px; height: 50px; border-radius: 12px; display: grid; place-items: center; flex: none; background: var(--bg); color: var(--navy); }
.trust .ico svg { width: 25px; height: 25px; }
.trust b { display: block; color: var(--ink); font-size: 16px; font-weight: 600; line-height: 1.3; }
.trust small { color: var(--muted); font-size: 14px; }
.trust.plain { padding: 0; }
.trust.plain ul { grid-template-columns: 1fr 1fr; gap: 14px; }
.trust.plain li { padding: 16px; border: 1px solid var(--line) !important; border-radius: var(--radius); }

/* ---------- Các khối nội dung ---------- */
.section { padding-block: 60px; }
.section.alt { background: var(--bg); }
.section.tight { padding-top: 50px; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 26px; }
.section-head h2 { font-size: clamp(24px, 2.6vw, 34px); font-weight: 700; color: var(--navy); margin-top: 12px; letter-spacing: -.02em; }
.section-head p { margin: 12px 0 0; color: var(--muted); max-width: 58ch; }
.link-more { display: inline-flex; align-items: center; gap: 8px; padding-bottom: 4px; border-bottom: 2px solid var(--ink); font-weight: 600; color: var(--ink); white-space: nowrap; transition: .15s ease; }
.link-more:hover { color: var(--red); border-color: var(--red); gap: 12px; }

/* danh mục: ô đầu lớn, bốn ô còn lại nhỏ */
.cats { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.cat { position: relative; display: block; border-radius: 18px; overflow: hidden; background: var(--bg); aspect-ratio: 1; isolation: isolate; }
.cat-img { position: absolute; inset: 0; }
.cat-img img { width: 100%; height: 100%; object-fit: cover; object-position: center top; transition: transform .5s ease; }
.cat:hover .cat-img img { transform: scale(1.05); }
.cat::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(8, 20, 48, 0) 34%, rgba(8, 20, 48, .9) 60%, #0d5399 78%); z-index: 1; }
.cat-body { position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; padding: 16px 16px; color: #fff; display: flex; align-items: end; justify-content: space-between; gap: 12px; }
.cat-body h3 { font-size: 16px; font-weight: 600; }
.cat-body div > span { display: block; margin-top: 4px; font-size: 14px; color: #cfe6fb; }
.cat-go { width: 34px; height: 34px; border-radius: 50%; background: #fff; color: var(--navy); display: grid; place-items: center; flex: none; transition: .2s ease; }
.cat:hover .cat-go { background: var(--red); color: #fff; transform: translateX(4px); }
.cat-go svg { width: 19px; height: 19px; }

/* lưới sản phẩm */
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.card { position: relative; display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: .22s ease; }
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: transparent; }
.card-img { position: relative; aspect-ratio: 1; background: var(--bg); overflow: hidden; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.card:hover .card-img img { transform: scale(1.04); }
.badge { position: absolute; left: 12px; top: 12px; z-index: 1; padding: 4px 11px; border-radius: 8px; background: var(--navy); color: #fff; font-size: 12.5px; font-weight: 600; letter-spacing: .2px; }
.card-body { display: flex; flex-direction: column; gap: 7px; padding: 16px 18px 18px; flex: 1; }
.card-cat { font-size: 12px; font-weight: 600; letter-spacing: .8px; text-transform: uppercase; color: var(--muted); }
.card h3 { font-size: 16.5px; font-weight: 600; color: var(--ink); line-height: 1.35; }
.card h3 a::after { content: ""; position: absolute; inset: 0; z-index: 1; }
.card-foot { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: auto; padding-top: 12px; }
.price { font-weight: 700; font-size: 17px; color: var(--red); }
.card-foot .more { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--ink); transition: .15s ease; }
.card:hover .card-foot .more { color: var(--red); gap: 10px; }

/* giới thiệu */
.about { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.about-img { border-radius: 20px; overflow: hidden; box-shadow: var(--shadow); }
.about h2 { font-size: clamp(24px, 2.6vw, 34px); font-weight: 700; color: var(--navy); margin: 12px 0 18px; letter-spacing: -.02em; }
.about > div > p { color: var(--muted); }
.checks { list-style: none; padding: 0; margin: 16px 0 22px; display: grid; gap: 9px; }
.checks li { display: flex; gap: 12px; align-items: center; font-weight: 500; }
.checks svg { width: 24px; height: 24px; padding: 5px; border-radius: 50%; background: #e3f7ec; color: #12824a; }

/* các bước */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: step; list-style: none; padding: 0; margin: 0; }
.steps li { position: relative; counter-increment: step; padding: 0 28px 0 0; }
.steps li::before { content: "0" counter(step); display: block; font-size: 36px; font-weight: 700; line-height: 1; color: var(--line); margin-bottom: 12px; letter-spacing: -.02em; }
.steps li::after { content: ""; position: absolute; left: 62px; right: 28px; top: 18px; height: 1px; background: var(--line); }
.steps li:last-child::after { display: none; }
.steps b { display: block; color: var(--ink); margin-bottom: 8px; font-size: 18px; font-weight: 600; }
.steps span { color: var(--muted); font-size: 15.5px; }

/* tin tức */
.news { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.post { position: relative; display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: .2s ease; }
.post:hover { box-shadow: var(--shadow); transform: translateY(-4px); border-color: transparent; }
.post-img { aspect-ratio: 16 / 10; background: var(--bg); overflow: hidden; }
.post-img img { width: 100%; height: 100%; object-fit: cover; }
.post-body { padding: 22px 24px 26px; }
.post-body time { font-size: 13.5px; color: var(--muted); }
.post-body h3 { font-size: 19px; font-weight: 600; color: var(--ink); margin: 8px 0 10px; }
.post-body h3 a::after { content: ""; position: absolute; inset: 0; }
.post-body p { color: var(--muted); font-size: 15.5px; margin: 0; }
.post-more { display: inline-flex; align-items: center; gap: 8px; margin-top: 18px; font-weight: 600; color: var(--ink); }
.post:hover .post-more { color: var(--red); }
.news.single { grid-template-columns: 1fr; }
.news.single .post { flex-direction: row; align-items: stretch; }
.news.single .post-img { flex: 0 0 34%; aspect-ratio: auto; max-height: 250px; }
.news.single .post-body { display: flex; flex-direction: column; justify-content: center; align-items: flex-start; padding: 26px 36px; }
.news.single .post-body h3 { font-size: 23px; font-weight: 700; color: var(--navy); }
.news.single .post-body p { font-size: 16.5px; }

/* dải kêu gọi */
.cta { background: var(--navy); color: #fff; background-image: radial-gradient(700px 300px at 85% 0, #4aa6ea, transparent 65%); }
.cta .wrap { display: flex; align-items: center; justify-content: space-between; gap: 28px; padding-block: 44px; flex-wrap: wrap; }
.cta h2 { font-size: clamp(22px, 2.6vw, 30px); font-weight: 700; letter-spacing: -.02em; }
.cta p { margin: 8px 0 0; color: #dcefff; }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.cta .btn { padding: 16px 28px; }
.cta .btn-white { background: var(--red); color: #fff; }
.cta .btn-white:hover { background: var(--red-dark); }

/* ---------- Đầu trang con ---------- */
.pagehead { background: var(--bg); border-bottom: 1px solid var(--line); padding-block: 30px; }
.pagehead h1 { font-size: clamp(26px, 3.2vw, 38px); font-weight: 700; color: var(--navy); letter-spacing: -.02em; }
.pagehead p { margin: 10px 0 0; color: var(--muted); max-width: 70ch; }
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 0 0 14px; font-size: 14px; color: var(--muted); }
.crumbs li + li::before { content: "/"; margin-right: 8px; opacity: .5; }
.crumbs a:hover { color: var(--red); }

/* ---------- Bộ lọc ---------- */
.toolbar { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; justify-content: space-between; margin-bottom: 28px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { padding: 9px 16px; border-radius: 9px; border: 1.5px solid var(--line); background: #fff; font: inherit; font-size: 14.5px; font-weight: 500; color: var(--ink); cursor: pointer; transition: .15s ease; }
.chip:hover { border-color: var(--ink); }
.chip[aria-pressed="true"], .chip.active { background: var(--navy); border-color: var(--navy); color: #fff; }
.search { position: relative; flex: 1; max-width: 320px; min-width: 220px; }
.search input { width: 100%; padding: 11px 14px 11px 42px; border-radius: 9px; border: 1.5px solid var(--line); font: inherit; font-size: 15px; }
.search input:focus { outline: none; border-color: var(--navy); }
.search svg { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--muted); }
.empty { padding: 56px 20px; text-align: center; color: var(--muted); border: 1.5px dashed var(--line); border-radius: var(--radius); background: var(--bg); }
.empty b { display: block; color: var(--navy); font-size: 19px; margin-bottom: 6px; }
.filters { display: grid; gap: 14px; padding: 22px 24px; margin-bottom: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg); }
.filter-row { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.filter-row > span { min-width: 96px; font-weight: 600; color: var(--ink); font-size: 14.5px; }
.filter-count { margin: 0; color: var(--muted); font-size: 14.5px; }
.filter-count b { color: var(--red); }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
.spec-table { width: 100%; border-collapse: collapse; font-size: 15.5px; min-width: 520px; }
.spec-table th { text-align: left; padding: 14px 18px; background: var(--navy); color: #fff; font-weight: 500; white-space: nowrap; }
.spec-table td { padding: 13px 18px; border-top: 1px solid var(--line); }
.spec-table tbody tr:hover { background: var(--bg); }
.spec-table td a { font-weight: 600; }
.spec-table td a:hover { color: var(--red); }
.spec-table td:nth-child(3) { font-weight: 600; white-space: nowrap; }
.spec-table td:last-child { color: var(--red); font-weight: 600; white-space: nowrap; }

/* ---------- Chi tiết sản phẩm ---------- */
.pd { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 60px; align-items: start; padding-block: 44px 28px; }
.pd-gallery { position: sticky; top: 106px; display: grid; gap: 12px; }
.pd-img { display: block; border-radius: 20px; overflow: hidden; background: var(--bg); border: 1px solid var(--line); cursor: zoom-in; }
.pd-img img { width: 100%; }
.pd-thumbs { display: flex; gap: 10px; flex-wrap: wrap; }
.pd-thumbs button { width: 78px; height: 78px; padding: 0; border: 1.5px solid var(--line); border-radius: 10px; overflow: hidden; background: #fff; cursor: pointer; }
.pd-thumbs button.on, .pd-thumbs button:hover { border-color: var(--navy); }
.pd-thumbs img { width: 100%; height: 100%; object-fit: cover; }
.pd h1 { font-size: clamp(28px, 3.4vw, 40px); font-weight: 700; color: var(--navy); margin: 6px 0 14px; letter-spacing: -.02em; }
.pd-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.tag { display: inline-flex; align-items: center; gap: 6px; padding: 5px 12px; border-radius: 8px; background: var(--bg); color: var(--ink); font-size: 13.5px; font-weight: 500; border: 1px solid var(--line); }
.tag.green { background: #e3f7ec; color: #12824a; border-color: transparent; }
.pd-lead { color: var(--muted); font-size: 17px; }
.pd-specs { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin: 22px 0 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.pd-specs div { padding: 16px 20px; }
.pd-specs div + div { border-left: 1px solid var(--line); }
.pd-specs dt { font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: .6px; }
.pd-specs dd { margin: 4px 0 0; font-weight: 700; color: var(--navy); font-size: 19px; }
.pd-price { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 14px; margin: 26px 0 18px; }
.pd-price b { font-size: 32px; font-weight: 700; color: var(--red); letter-spacing: -.02em; }
.pd-price span { color: var(--muted); font-size: 14.5px; }
.pd-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.pd-actions .btn { padding-block: 17px; font-size: 16.5px; }
.pd-perks { list-style: none; padding: 22px 0 0; margin: 26px 0 0; display: grid; gap: 13px; border-top: 1px solid var(--line); }
.pd-perks li { display: flex; gap: 12px; align-items: flex-start; font-size: 15.5px; }
.pd-perks svg { color: var(--navy); margin-top: 4px; }

.prose { max-width: 820px; }
.prose h2 { font-size: 26px; font-weight: 700; color: var(--navy); margin: 40px 0 14px; }
.prose h3 { font-size: 19px; font-weight: 600; color: var(--ink); margin: 26px 0 8px; }
.prose p, .prose li { color: #334155; }
.prose ul { padding-left: 22px; margin: 0 0 1em; }
.prose li { margin-bottom: 7px; }
.prose li::marker { color: var(--red); }
.prose img { border-radius: var(--radius); margin: 22px 0; }
.prose > :first-child { margin-top: 0; }
.tabs-title { display: inline-block; padding-bottom: 14px; margin-bottom: -1px; border-bottom: 3px solid var(--red); color: var(--navy); font-weight: 700; font-size: 18px; }
.pd-desc { border-top: 1px solid var(--line); padding-top: 34px; }

.lightbox { padding: 0; border: 0; background: transparent; max-width: min(96vw, 1100px); max-height: 96vh; }
.lightbox::backdrop { background: rgba(8, 20, 48, .88); }
.lightbox img { max-width: 100%; max-height: 92vh; border-radius: 14px; cursor: zoom-out; }
.lightbox button { position: fixed; top: 14px; right: 18px; width: 44px; height: 44px; border-radius: 50%; border: 0; background: #fff; color: var(--navy); font-size: 26px; line-height: 1; cursor: pointer; }

/* ---------- Liên hệ ---------- */
.contact { display: grid; grid-template-columns: 1fr 1.2fr; gap: 36px; align-items: stretch; }
.contact-cards { display: grid; gap: 12px; }
.ccard { display: flex; gap: 16px; align-items: center; padding: 18px 22px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; transition: .2s ease; }
a.ccard:hover { border-color: var(--navy); box-shadow: var(--shadow-sm); }
.ccard .ico { width: 48px; height: 48px; border-radius: 12px; background: var(--bg); color: var(--navy); display: grid; place-items: center; flex: none; }
.ccard .ico svg { width: 22px; height: 22px; }
.ccard small { display: block; color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: .6px; }
.ccard b { color: var(--ink); font-size: 17px; font-weight: 600; overflow-wrap: anywhere; }
.map { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); min-height: 380px; }
.map iframe { width: 100%; height: 100%; min-height: 380px; border: 0; display: block; }
.fb-box { max-width: 500px; margin-inline: auto; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: #fff; }
.fb-box iframe { width: 100%; height: 520px; border: 0; display: block; }

/* ---------- Chân trang ---------- */
.footer { background: #0d5399; color: #a9b7d4; font-size: 15.5px; }
.footer .wrap { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 48px; padding-block: 48px 32px; }
.footer h3 { color: #fff; font-size: 14px; font-weight: 600; margin-bottom: 20px; text-transform: uppercase; letter-spacing: 1.2px; }
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 11px; }
.footer a:hover { color: #fff; }
.footer li { display: flex; gap: 11px; align-items: flex-start; }
.footer li svg { margin-top: 5px; color: #6f83b0; }
.footer-brand { display: flex; align-items: center; gap: 14px; margin-bottom: 22px; }
.footer-brand img { height: 54px; width: auto; background: #fff; border-radius: 10px; padding: 5px 9px; }
.footer-brand b { color: #fff; font-size: 17px; font-weight: 600; line-height: 1.35; }
.copy { border-top: 1px solid rgba(255, 255, 255, .08); }
.copy .wrap { display: flex; justify-content: space-between; gap: 16px; padding-block: 22px; font-size: 14px; flex-wrap: wrap; }

/* nút liên hệ nổi */
.float { position: fixed; right: 20px; bottom: 20px; z-index: 60; display: grid; gap: 10px; }
.float a { width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center; color: #fff; box-shadow: 0 10px 24px rgba(0, 0, 0, .22); font-weight: 700; font-size: 13px; }
.float .f-call { background: var(--red); animation: pulse 2.4s infinite; }
.float .f-zalo { background: var(--zalo); }
.float svg { width: 23px; height: 23px; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(227, 32, 47, .45); } 70% { box-shadow: 0 0 0 16px rgba(227, 32, 47, 0); } 100% { box-shadow: 0 0 0 0 rgba(227, 32, 47, 0); } }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } html { scroll-behavior: auto; } }

/* ---------- Tông sang trọng: tiêu đề chữ có chân, nền navy đậm, điểm vàng đồng ---------- */
:root { --gold: #ffc423; --gold-dark: #1a7fd4; --cream: #f2fbff; --sand: #cfe6fb; --serif: "Playfair Display", "Times New Roman", serif; }
body { color: #1b2233; }
.section-head h2, .about h2, .finder h2, .cta h2, .pagehead h1, .pd h1, .prose h2, .s-text h2, .fr-head h3,
.news.single .post-body h3, .s-cap b, .empty b { font-family: var(--serif); font-weight: 600; letter-spacing: 0; font-variant-numeric: lining-nums; }
.brand-text b { font-family: var(--serif); font-weight: 700; font-size: 22px; letter-spacing: .6px; }
.brand-text small { letter-spacing: 2.4px; color: var(--gold-dark); }
.topbar { background: #0b4a8c; }
.topbar svg { color: var(--gold); }
.nav > ul > li > a[aria-current="page"] { color: var(--gold-dark); }
.nav .sub a:hover { color: var(--gold-dark); }
.btn { border-radius: 8px; letter-spacing: .2px; }

.eyebrow { color: var(--gold-dark); letter-spacing: 3px; font-size: 12.5px; }
.eyebrow::before { width: 36px; height: 1px; background: var(--gold); }
.section.alt { background: var(--cream); }
.section-head h2 { position: relative; padding-bottom: 16px; }
.section-head h2::after { content: ""; position: absolute; left: 0; bottom: 0; width: 56px; height: 2px; background: var(--gold); }
.link-more { border-bottom: 1px solid var(--gold-dark); color: var(--navy); font-weight: 500; }
.link-more:hover { color: var(--gold-dark); border-color: var(--gold-dark); }

/* banner chạy */
.slider { background: #0b4a8c; }
.s-split.t-navy { background: radial-gradient(720px 460px at 82% 46%, rgba(255, 196, 35, .24), transparent 66%), linear-gradient(180deg, #0b4a8c, #1a7fd4); }
.s-split.t-blue { background: radial-gradient(720px 460px at 82% 46%, rgba(255, 196, 35, .22), transparent 66%), linear-gradient(135deg, #0f5fae, #3898e2); }
.s-split.t-dark { background: radial-gradient(720px 460px at 82% 46%, rgba(255, 196, 35, .22), transparent 66%), linear-gradient(180deg, #0b0c10, #181a21); }
.s-text .eyebrow, .t-blue .s-text .eyebrow { color: var(--gold); }
.s-text h2 { font-weight: 600; line-height: 1.1; }
.s-text h2 em { font-style: italic; font-weight: 500; color: var(--gold); }
.s-text p, .t-blue .s-text p { color: #e6f3ff; font-weight: 300; }
.s-text .btn, .t-blue .s-text .btn { background: var(--gold); color: #1a1407; }
.s-text .btn:hover { background: #ffd34d; box-shadow: 0 12px 28px rgba(255, 196, 35, .35); }
.s-shot { padding: 10px; background: rgba(255, 255, 255, .04); border: 1px solid rgba(255, 196, 35, .6); border-radius: 12px; box-shadow: 0 34px 70px rgba(0, 0, 0, .5); transform: none; }
.s-shot img { border-radius: 6px; }
.sl-dots button.on { background: var(--gold); }
.sl-btn:hover { background: var(--gold); color: #1a1407; }

/* các khối */
.finder { border: 1px solid var(--sand); border-top: 3px solid var(--gold); }
.inch { background: var(--cream); border-color: var(--sand); }
.inch b { font-family: var(--serif); font-weight: 600; font-variant-numeric: lining-nums; }
.pd-specs dd, .steps li::before, .tabs-title, .brand-text b, .footer-brand b { font-variant-numeric: lining-nums; }
.trust .ico { background: var(--cream); color: var(--gold-dark); border: 1px solid var(--sand); }
.trust li + li { border-left-color: var(--sand); }
.cat { border-radius: 14px; }
.cat:hover .cat-go { background: var(--gold); color: #1a1407; }
.card { border-color: #d6e9fa; }
.card-cat { color: var(--gold-dark); }
.card:hover .card-foot .more { color: var(--gold-dark); }
.checks svg { background: #e3f2ff; color: var(--gold-dark); }
.steps li::before { font-family: var(--serif); font-weight: 600; color: #a9cff0; }
.steps li::after { background: var(--sand); }
.post-body time { color: var(--gold-dark); letter-spacing: .4px; }
.post:hover .post-more { color: var(--gold-dark); }
.cta { background: #0b4a8c; background-image: radial-gradient(700px 320px at 85% 0, rgba(255, 196, 35, .22), transparent 66%); }
.cta .btn-white { background: var(--gold); color: #1a1407; }
.cta .btn-white:hover { background: #ffd34d; }
.pagehead { background: var(--cream); border-bottom-color: var(--sand); }
.filters { background: var(--cream); border-color: var(--sand); }
.fr-empty, .empty { background: var(--cream); border-color: var(--sand); }
.tabs-title { border-bottom-color: var(--gold); font-family: var(--serif); font-size: 20px; }
.prose li::marker { color: var(--gold-dark); }
.pd-specs dd { font-family: var(--serif); font-weight: 600; }
.footer { background: #083d78; }
.footer h3 { color: var(--gold); letter-spacing: 2px; font-size: 13px; }
.footer li svg { color: var(--gold); }
.footer-brand b { font-family: var(--serif); font-size: 18px; letter-spacing: .4px; }

/* ---------- Nền 3D cho banner: sàn lưới phối cảnh, quả cầu nổi, hình sản phẩm nghiêng có chiều sâu ---------- */
.s-split { perspective: 1100px; perspective-origin: 50% 40%; }
.floor { position: absolute; left: -60%; right: -60%; top: 58%; height: 150%; transform: rotateX(76deg); transform-origin: 50% 0; pointer-events: none;
  background-image: linear-gradient(rgba(255, 196, 35, .34) 1.5px, transparent 1.5px), linear-gradient(90deg, rgba(255, 196, 35, .34) 1.5px, transparent 1.5px);
  background-size: 90px 90px;
  -webkit-mask-image: radial-gradient(ellipse 60% 70% at 50% 0, #000 10%, transparent 75%); mask-image: radial-gradient(ellipse 60% 70% at 50% 0, #000 10%, transparent 75%); }
.s-split::before { content: ""; position: absolute; left: 0; right: 0; top: 58%; height: 1px; background: linear-gradient(90deg, transparent, rgba(255, 196, 35, .7) 30%, rgba(255, 236, 190, .95) 62%, transparent); box-shadow: 0 0 34px 6px rgba(255, 196, 35, .35); pointer-events: none; }
/* quả cầu: vàng đánh bóng và pha lê, có điểm sáng phản chiếu */
.orb { position: absolute; border-radius: 50%; pointer-events: none; animation: bob 8s ease-in-out infinite; }
.orb::before { content: ""; position: absolute; left: 17%; top: 11%; width: 36%; height: 25%; border-radius: 50%; background: radial-gradient(ellipse at center, rgba(255, 255, 255, .96), rgba(255, 255, 255, 0) 70%); filter: blur(1.4px); transform: rotate(-28deg); }
.orb::after { content: ""; position: absolute; right: 9%; bottom: 8%; width: 46%; height: 30%; border-radius: 50%; background: radial-gradient(ellipse at center, rgba(255, 226, 160, .5), rgba(255, 226, 160, 0) 70%); filter: blur(3px); transform: rotate(-32deg); }
.orb.o1, .orb.o3 { background: radial-gradient(circle at 31% 27%, #fffdf2 0%, #fbe9b4 8%, #e6c373 24%, #bf9241 46%, #84601c 68%, #3f2c09 88%, #6b4f18 100%);
  box-shadow: inset -4px -6px 12px rgba(30, 18, 0, .45), inset 2px 3px 5px rgba(255, 250, 225, .55), 0 0 26px rgba(255, 196, 35, .28), 0 18px 24px -10px rgba(0, 0, 0, .6); }
.orb.o1 { left: 45%; top: 15%; width: 54px; height: 54px; }
.orb.o3 { right: 4%; top: 13%; width: 22px; height: 22px; filter: blur(.4px); animation-delay: -4.5s; }
.orb.o2 { left: 48%; top: 72%; width: 36px; height: 36px; animation-delay: -2.5s;
  background: radial-gradient(circle at 30% 25%, rgba(255, 255, 255, .75) 0, rgba(255, 255, 255, .18) 30%, rgba(255, 255, 255, .04) 62%, rgba(255, 255, 255, .18) 100%);
  border: 1px solid rgba(255, 255, 255, .38); -webkit-backdrop-filter: blur(5px); backdrop-filter: blur(5px);
  box-shadow: inset -6px -8px 16px rgba(255, 255, 255, .1), inset 5px 7px 12px rgba(255, 255, 255, .22), 0 0 26px rgba(170, 195, 255, .22), 0 24px 30px -14px rgba(0, 0, 0, .55); }
.orb.o2::after { background: radial-gradient(ellipse at center, rgba(255, 255, 255, .5), rgba(255, 255, 255, 0) 70%); }
/* vòng vàng quay chậm quanh hình sản phẩm */
.ring { position: absolute; top: 52%; right: max(-65px, calc(50% - 705px)); width: 640px; height: 640px; margin-top: -320px; border-radius: 50%; padding: 1.5px; pointer-events: none;
  background: conic-gradient(from 30deg, rgba(255, 243, 207, .95), rgba(255, 196, 35, .12) 18%, rgba(255, 196, 35, .8) 36%, rgba(122, 87, 24, .08) 55%, rgba(255, 243, 207, .9) 72%, rgba(255, 196, 35, .15) 88%, rgba(255, 243, 207, .95));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0);
  animation: orbit 46s linear infinite; }
.ring.r2 { width: 470px; height: 470px; margin-top: -235px; right: max(20px, calc(50% - 620px)); opacity: .7; animation: orbit2 64s linear infinite; }
@keyframes orbit { from { transform: rotateX(72deg) rotateZ(-14deg); } to { transform: rotateX(72deg) rotateZ(346deg); } }
@keyframes orbit2 { from { transform: rotateX(72deg) rotateY(10deg) rotateZ(380deg); } to { transform: rotateX(72deg) rotateY(10deg) rotateZ(20deg); } }
@keyframes bob { 0%, 100% { translate: 0 0; } 50% { translate: 0 -14px; } }

.s-stage { position: relative; max-width: 470px; margin-left: auto; width: 100%; perspective: 1400px; }
.s-stage::after { content: ""; position: absolute; left: 4%; right: 4%; bottom: -46px; height: 70px; border-radius: 50%; background: radial-gradient(ellipse at center, rgba(0, 0, 0, .6), rgba(0, 0, 0, 0) 68%); filter: blur(7px); z-index: 0; }
.s-stage::before { content: ""; position: absolute; left: -6%; right: -6%; bottom: -30px; height: 54px; border-radius: 50%; background: radial-gradient(ellipse at center, rgba(255, 196, 35, .55), rgba(255, 196, 35, 0) 70%); filter: blur(10px); }
.s-shot { position: relative; z-index: 1; max-width: none; margin: 0; padding: 10px; background: linear-gradient(145deg, rgba(255, 255, 255, .16), rgba(255, 255, 255, .03)); border: 1px solid rgba(255, 196, 35, .7); border-radius: 14px;
  transform: rotateY(calc(-13deg + var(--ry, 0deg))) rotateX(calc(4deg + var(--rx, 0deg))); transform-style: preserve-3d;
  box-shadow: 7px 7px 0 -1px rgba(255, 196, 35, .38), 14px 14px 0 -2px rgba(255, 196, 35, .2), 21px 21px 0 -3px rgba(255, 196, 35, .1), 60px 70px 90px rgba(0, 0, 0, .6);
  opacity: 0; translate: 0 26px; scale: .95;
  transition: opacity .7s ease .2s, translate .7s ease .2s, scale .7s ease .2s, transform .35s ease-out; }
.slide.on .s-shot { opacity: 1; translate: 0 0; scale: 1; }
.s-shot img { border-radius: 7px; }
.s-banner { perspective: 1600px; }
.s-banner img { transform: rotateX(calc(3deg + var(--rx, 0deg))) rotateY(var(--ry, 0deg)); box-shadow: 0 60px 80px -30px rgba(26, 127, 212, .55), 0 0 0 1px rgba(255, 255, 255, .5); transition: transform .35s ease-out; }
.cta { position: relative; overflow: hidden; perspective: 700px; }
.cta::before { content: ""; position: absolute; left: -40%; right: -40%; top: 62%; height: 260%; transform: rotateX(78deg); transform-origin: 50% 0; pointer-events: none;
  background-image: linear-gradient(rgba(255, 196, 35, .26) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 196, 35, .26) 1px, transparent 1px); background-size: 70px 70px;
  -webkit-mask-image: radial-gradient(ellipse 55% 70% at 50% 0, #000 5%, transparent 72%); mask-image: radial-gradient(ellipse 55% 70% at 50% 0, #000 5%, transparent 72%); }
.cta .wrap { position: relative; }

/* ---------- Hài hòa toàn trang theo banner: navy đậm có chiều sâu, vàng đồng, viền xếp lớp ---------- */
/* nút bấm có khối */
.btn-navy { background: linear-gradient(180deg, #3898e2, #1a7fd4); color: #fff3b0; border: 1px solid rgba(255, 196, 35, .5); box-shadow: 0 10px 22px rgba(26, 127, 212, .25), inset 0 1px 0 rgba(255, 255, 255, .12); }
.btn-navy:hover { background: linear-gradient(180deg, #4aa6ea, #0d2554); color: #fff6cc; }
.btn-red, .hotline { background: linear-gradient(180deg, #ee2f3d, #c01623); box-shadow: 0 10px 22px rgba(227, 32, 47, .26), inset 0 1px 0 rgba(255, 255, 255, .25); }
.btn-red:hover, .hotline:hover { background: linear-gradient(180deg, #f24451, #b01420); }
.s-text .btn, .t-blue .s-text .btn, .cta .btn-white { background: linear-gradient(180deg, #ffd54f, #f5b400); color: #1a1407; box-shadow: 0 10px 24px rgba(255, 196, 35, .35), inset 0 1px 0 rgba(255, 255, 255, .5); }
.s-text .btn:hover, .cta .btn-white:hover { background: linear-gradient(180deg, #ffe082, #ffc423); }
.btn-zalo { background: linear-gradient(180deg, #1a7bff, #0058d6); box-shadow: 0 10px 22px rgba(0, 104, 255, .26), inset 0 1px 0 rgba(255, 255, 255, .25); }
.btn-line { border-color: var(--sand); }
.btn-line:hover { border-color: var(--gold-dark); color: var(--gold-dark); }

/* đầu trang */
.header { border-bottom-color: var(--sand); box-shadow: 0 6px 20px rgba(26, 127, 212, .05); }
.hsearch input { background: var(--cream); border-color: var(--sand); }
.hsearch input:focus { border-color: var(--gold-dark); }
.nav .sub { border-color: var(--sand); border-top: 2px solid var(--gold); }
.nav .sub a:hover { background: var(--cream); }

/* đầu trang con: nền navy có sàn lưới, vòng vàng và quả cầu như banner */
.pagehead { position: relative; overflow: hidden; perspective: 900px; color: #fff; border-bottom: 0; padding-block: 46px 50px;
  background: radial-gradient(640px 320px at 86% 40%, rgba(255, 196, 35, .24), transparent 66%), linear-gradient(180deg, #0b4a8c, #1a7fd4); }
.pagehead .wrap { position: relative; z-index: 1; }
.pagehead h1 { color: #fff; }
.pagehead p { color: #e6f3ff; font-weight: 300; }
.pagehead .crumbs { color: #ffe082; letter-spacing: .3px; }
.pagehead .crumbs a:hover { color: #fff; }
.pagehead .floor { top: 62%; }
.pagehead::before { content: ""; position: absolute; left: 0; right: 0; top: 62%; height: 1px; background: linear-gradient(90deg, transparent, rgba(255, 196, 35, .6) 40%, rgba(255, 236, 190, .9) 78%, transparent); box-shadow: 0 0 30px 5px rgba(255, 196, 35, .3); }
.pagehead .ring { top: 62%; right: max(10px, calc(50% - 600px)); width: 340px; height: 340px; margin-top: -170px; }
.pagehead .orb.o1 { left: auto; right: max(150px, calc(50% - 460px)); top: 20%; width: 40px; height: 40px; }
.pagehead .orb.o3 { right: max(60px, calc(50% - 560px)); top: 52%; width: 18px; height: 18px; }

/* khối nền navy giữa trang */
.section.dark { position: relative; overflow: hidden; perspective: 900px; color: #fff;
  background: radial-gradient(700px 360px at 12% 10%, rgba(255, 196, 35, .18), transparent 66%), linear-gradient(180deg, #0b4a8c, #1a7fd4); }
.section.dark .wrap { position: relative; z-index: 1; }
.section.dark .floor { top: 64%; }
.section.dark .section-head h2 { color: #fff; }
.section.dark .eyebrow { color: var(--gold); }
.section.dark .link-more { color: #fff3b0; border-color: var(--gold); }
.section.dark .link-more:hover { color: #fff; }
.section.dark .steps li::before { color: var(--gold); }
.section.dark .steps li::after { background: rgba(255, 196, 35, .35); }
.section.dark .steps b { color: #fff; }
.section.dark .steps span { color: #c3cce0; }

/* ô chọn cỡ tivi */
.finder { box-shadow: 0 24px 50px rgba(26, 127, 212, .12); }
.inch { box-shadow: 0 2px 0 var(--sand); }
.inch:hover, .inch.on { background: linear-gradient(180deg, #3898e2, #1a7fd4); color: #fff3b0; border-color: var(--gold); box-shadow: 0 10px 20px rgba(26, 127, 212, .3); }
.inch:hover small, .inch.on small { color: #cdbb8f; }
.chip { border-color: var(--sand); }
.chip:hover { border-color: var(--gold-dark); color: var(--gold-dark); }
.chip[aria-pressed="true"], .chip.active, .chip.on { background: linear-gradient(180deg, #3898e2, #1a7fd4); border-color: var(--gold); color: #fff3b0; }

/* cam kết */
.trust .ico { border-radius: 50%; border: 0; background: radial-gradient(circle at 30% 25%, #fff, #e8f4fd 72%); box-shadow: 0 8px 16px rgba(148, 112, 44, .2), inset 0 0 0 1px var(--sand); }

/* danh mục */
.cat { border: 1px solid rgba(255, 196, 35, .4); box-shadow: 0 10px 24px rgba(26, 127, 212, .1); }
.cat:hover { transform: translateY(-7px); border-color: var(--gold); box-shadow: 0 6px 0 -3px rgba(255, 196, 35, .45), 0 28px 46px rgba(26, 127, 212, .24); }
.cat-body h3 { font-family: var(--serif); font-size: 17px; font-weight: 600; }

/* thẻ sản phẩm */
.card { box-shadow: 0 6px 18px rgba(26, 127, 212, .05); }
.card::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px; z-index: 2; background: linear-gradient(90deg, transparent, var(--gold), transparent); opacity: 0; transition: opacity .25s ease; }
.card:hover { transform: translateY(-7px); border-color: rgba(255, 196, 35, .7); box-shadow: 0 6px 0 -3px rgba(255, 196, 35, .4), 0 28px 50px rgba(26, 127, 212, .17); }
.card:hover::before { opacity: 1; }
.badge { background: linear-gradient(135deg, #1a7fd4, #4aa6ea); border: 1px solid rgba(255, 196, 35, .65); color: #fff3b0; }
.card-foot { border-top: 1px solid #e8f4fd; }

/* giới thiệu: hình nghiêng nhẹ, viền vàng xếp lớp như hình trên banner */
.about { perspective: 1500px; }
.about-img { padding: 8px; background: #fff; border: 1px solid rgba(255, 196, 35, .65); border-radius: 14px; transform: rotateY(9deg) rotateX(2deg);
  box-shadow: -7px 7px 0 -1px rgba(255, 196, 35, .35), -14px 14px 0 -2px rgba(255, 196, 35, .18), -44px 54px 70px rgba(26, 127, 212, .22); transition: transform .4s ease; }
.about-img:hover { transform: rotateY(3deg) rotateX(0); }
.about-img img { border-radius: 8px; }

/* tin tức */
.post { border-color: #d6e9fa; box-shadow: 0 6px 18px rgba(26, 127, 212, .05); }
.post:hover { border-color: rgba(255, 196, 35, .7); box-shadow: 0 6px 0 -3px rgba(255, 196, 35, .4), 0 28px 50px rgba(26, 127, 212, .15); }

/* trang sản phẩm */
.pd-img { padding: 8px; background: #fff; border: 1px solid rgba(255, 196, 35, .6); border-radius: 16px; box-shadow: 7px 7px 0 -1px rgba(255, 196, 35, .3), 14px 14px 0 -2px rgba(255, 196, 35, .15), 34px 44px 60px rgba(26, 127, 212, .16); }
.pd-img img { border-radius: 9px; }
.pd-thumbs button { border-color: var(--sand); }
.pd-thumbs button.on, .pd-thumbs button:hover { border-color: var(--gold-dark); }
.tag { background: var(--cream); border-color: var(--sand); }
.pd-specs { border-color: var(--sand); background: #fff; box-shadow: 0 6px 16px rgba(26, 127, 212, .04); }
.pd-specs div + div { border-left-color: var(--sand); }
.pd-specs dt { color: var(--gold-dark); letter-spacing: 1.2px; font-size: 12px; }
.pd-price { padding: 18px 22px; border-radius: 12px; background: var(--cream); border: 1px solid var(--sand); border-left: 3px solid var(--gold); }
.pd-price b { font-family: var(--serif); font-weight: 600; font-variant-numeric: lining-nums; }
.pd-perks { padding: 18px 20px; border: 1px solid var(--sand); border-radius: 12px; background: var(--cream); }
.pd-perks svg { color: var(--gold-dark); }
.pd-desc { border-top-color: var(--sand); }
.table-wrap { border-color: var(--sand); box-shadow: 0 10px 26px rgba(26, 127, 212, .06); }
.spec-table th { background: linear-gradient(180deg, #3898e2, #1a7fd4); border-bottom: 2px solid var(--gold); color: #fff3b0; letter-spacing: .4px; }
.spec-table td { border-top-color: #e8f4fd; }
.spec-table tbody tr:hover { background: var(--cream); }

/* liên hệ */
.ccard { border-color: #d6e9fa; box-shadow: 0 6px 18px rgba(26, 127, 212, .04); }
a.ccard:hover { border-color: var(--gold); box-shadow: 0 6px 0 -3px rgba(255, 196, 35, .4), 0 20px 36px rgba(26, 127, 212, .12); transform: translateY(-3px); }
.ccard .ico { border-radius: 50%; background: radial-gradient(circle at 30% 25%, #fff, #e8f4fd 72%); color: var(--gold-dark); box-shadow: 0 8px 16px rgba(148, 112, 44, .2), inset 0 0 0 1px var(--sand); }
.ccard small { color: var(--gold-dark); }
.map, .fb-box { border: 1px solid rgba(255, 196, 35, .55); box-shadow: 7px 7px 0 -1px rgba(255, 196, 35, .25), 30px 40px 60px rgba(26, 127, 212, .12); }

/* chân trang */
.footer { position: relative; overflow: hidden; border-top: 1px solid rgba(255, 196, 35, .55); background: radial-gradient(700px 300px at 88% 0, rgba(255, 196, 35, .14), transparent 66%), #083d78; }
.copy { border-top-color: rgba(255, 196, 35, .2); }
.float a { box-shadow: 0 12px 26px rgba(0, 0, 0, .28), inset 0 1px 0 rgba(255, 255, 255, .3); }

/* chừa chỗ cho hai mũi tên của banner khi màn hình không đủ rộng */
@media (max-width: 1420px) {
  .s-split .wrap { padding-inline: 64px; }
}

/* ---------- Màn hình hẹp ---------- */
@media (max-width: 1260px) {
  .brand-text small { display: none; }
  .nav > ul > li > a { padding-inline: 10px; font-size: 15px; }
  .hotline small { display: none; }
}
@media (max-width: 1240px) {
  .header .wrap { flex-wrap: wrap; gap: 10px 12px; min-height: 0; padding-block: 12px; }
  .brand-text small { display: block; }
  .hotline { margin-left: auto; padding: 6px; border-radius: 10px; }
  .hotline > span:last-child { display: none; }
  .menu-btn { display: inline-flex; position: relative; z-index: 71; }
  .hsearch { order: 5; flex: 0 0 100%; max-width: none; margin: 0; }
  .nav { visibility: hidden; position: fixed; inset: 0 0 0 auto; width: min(340px, 88vw); margin: 0; background: #fff; padding: 84px 16px 28px; transform: translateX(100%); transition: transform .22s ease, visibility .22s; box-shadow: -20px 0 40px rgba(0, 0, 0, .2); overflow-y: auto; z-index: 70; }
  .nav.open { transform: none; visibility: visible; }
  .nav > ul { flex-direction: column; align-items: stretch; gap: 2px; }
  .nav > ul > li > a { padding: 14px; font-size: 17px; }
  .nav .sub { position: static; width: auto; min-width: 0; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; padding: 0 0 8px 10px; }
  .nav .sub a { padding: 11px 14px; }
}
@media (max-width: 1100px) {
  .topbar .topbar-left { display: none; }
  .topbar .wrap { justify-content: center; }
  .grid { grid-template-columns: repeat(3, 1fr); }
  .hero .wrap { grid-template-columns: 1fr; padding-block: 52px 140px; gap: 44px; }
  .slide { min-height: 0; }
  .s-split .wrap { grid-template-columns: 1fr 1fr; gap: 28px; padding-block: 34px 56px; }
  .s-banner .wrap { padding-block: 26px 46px; }
  .track > .card { flex-basis: calc((100% - 44px) / 3); }
  .carousel .sl-prev { left: -10px; }
  .carousel .sl-next { right: -10px; }
  .scene-box { max-width: 560px; margin-inline: auto; width: 100%; }
  .scene-chip.c1 { left: 0; }
  .scene-chip.c2 { right: 0; }
  .finder { grid-template-columns: 1fr; padding: 28px 26px; gap: 22px; }
  .trust ul { grid-template-columns: 1fr 1fr; gap: 26px 0; }
  .trust li:nth-child(3) { border-left: 0; padding-left: 0; }
  .about, .pd, .contact { grid-template-columns: 1fr; gap: 36px; }
  .about-img, .about-img:hover { transform: none; box-shadow: -6px 6px 0 -1px rgba(255, 196, 35, .35), 0 24px 40px rgba(26, 127, 212, .16); }
  .pagehead .ring { width: 240px; height: 240px; margin-top: -120px; right: -40px; }
  .pagehead .orb.o1 { right: 26%; }
  .pd-gallery { position: static; }
  .steps { grid-template-columns: 1fr 1fr; gap: 36px 0; }
  .steps li:nth-child(2)::after { display: none; }
  .news { grid-template-columns: 1fr 1fr; }
  .footer .wrap { grid-template-columns: 1fr 1fr; }
  .footer .wrap > :first-child { grid-column: 1 / -1; }
  .section { padding-block: 46px; }
  .cats { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .wrap { width: min(var(--wrap), 100% - 32px); }
  .topbar-right a { display: none; }
  .brand img { height: 44px; }
  .brand-text small { font-size: 10px; letter-spacing: .4px; }
  .brand-text b { font-size: 17px; }
  .grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .cats { grid-template-columns: 1fr 1fr; gap: 12px; }
  .cat-body { padding: 12px; }
  .cat-body h3 { font-size: 15px; }
  .cat-body div > span { font-size: 12.5px; }
  .cat-go { display: none; }
  .cat:last-child:nth-child(odd) { grid-column: span 2; aspect-ratio: 2 / 1; }
  .card-body { padding: 12px 13px 14px; }
  .card h3 { font-size: 14.5px; }
  .card-foot .more { display: none; }
  .section-head { flex-direction: column; align-items: flex-start; margin-bottom: 28px; }
  .trust ul { grid-template-columns: 1fr; gap: 18px; }
  .trust li, .trust li:first-child { padding: 0; border: 0; }
  .steps, .news { grid-template-columns: 1fr; }
  .steps li::after { display: none; }
  .steps li { padding: 0; }
  .news.single .post { flex-direction: column; }
  .news.single .post-img { flex: none; aspect-ratio: 16 / 10; }
  .news.single .post-body { padding: 22px; }
  .news.single .post-body h3 { font-size: 21px; }
  .footer .wrap { grid-template-columns: 1fr; gap: 36px; }
  .pd-actions { grid-template-columns: 1fr; }
  .hero h1 { font-size: 38px; }
  .s-split .wrap { grid-template-columns: 1fr; gap: 26px; padding-block: 34px 58px; padding-inline: 0; }
  .s-stage { order: -1; }
  .s-shot { max-width: 290px; margin: 0 auto; }
  .floor { top: 46%; }
  .orb.o1 { width: 34px; height: 34px; left: 7%; top: 6%; }
  .orb.o2, .orb.o3, .ring.r2 { display: none; }
  .ring { width: 400px; height: 400px; margin: -200px 0 0 -200px; right: auto; left: 50%; top: 190px; }
  .s-text { text-align: center; }
  .s-text h2 { font-size: 32px; margin: 12px 0; }
  .s-text p { font-size: 16px; margin: 0 auto 20px; }
  .s-banner .wrap { padding-block: 18px 42px; }
  .s-banner img { border-radius: 12px; }
  .s-cap { display: grid; justify-items: center; gap: 8px; margin-top: 26px; text-align: center; color: var(--navy); }
  .s-cap b { font-size: 26px; line-height: 1.2; letter-spacing: -.02em; }
  .s-cap > span:not(.btn) { font-size: 15.5px; color: #33405e; }
  .s-cap .btn { margin-top: 10px; }
  .sl-btn { display: none; }
  .track { gap: 12px; }
  .track > .card { flex-basis: calc((100% - 12px) / 2); }
  .hero-actions .btn { flex: 1; padding-inline: 16px; }
  .scene-chip { font-size: 12.5px; padding: 8px 11px; }
  .scene-chip.c1 { top: 4%; }
  .scene-chip.c2 { bottom: 12%; }
  .scene-inch { font-size: 12.5px; }
  .float { right: 14px; bottom: 14px; }
  .search { max-width: none; }
  .inches { grid-auto-flow: row; grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .inch { padding: 10px 4px; }
  .inch b { font-size: 20px; }
  .filter-row > span { min-width: 0; width: 100%; }
  .cta .wrap { padding-block: 48px; }
  .pagehead { padding-block: 32px 36px; }
  .pagehead .orb, .pagehead .ring { display: none; }
  .pd-img { box-shadow: 6px 6px 0 -1px rgba(255, 196, 35, .3), 0 20px 36px rgba(26, 127, 212, .14); }
  .cta-actions .btn { flex: 1; }
}

/* ---------- Số gọi, Zalo trên thanh trên cùng; nút liên hệ nổi có số; khối bản đồ ---------- */
.tb-call b, .tb-zalo b { color: #fff; font-weight: 600; letter-spacing: .3px; }
.tb-call:hover b, .tb-zalo:hover b { color: var(--gold); }
.zl { display: inline-grid; place-items: center; padding: 1px 7px; border-radius: 6px; background: #0068ff; color: #fff; font-style: normal; font-weight: 800; font-size: 11px; letter-spacing: .2px; }

.float { position: fixed; right: 18px; bottom: 18px; z-index: 60; display: grid; gap: 10px; justify-items: end; }
.float a, .float .f-call, .float .f-zalo { width: auto; height: auto; display: flex; align-items: center; gap: 11px; padding: 6px 18px 6px 6px; border-radius: 999px; background: #fff; color: var(--navy); border: 1px solid rgba(255, 196, 35, .65); box-shadow: 0 12px 28px rgba(26, 127, 212, .2); font-size: 15px; font-weight: 400; animation: none; transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease; }
.float a:hover { transform: translateX(-5px); border-color: var(--gold); box-shadow: 0 6px 0 -3px rgba(255, 196, 35, .45), 0 18px 36px rgba(26, 127, 212, .28); }
.f-ico { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; flex: none; color: #fff; font-weight: 800; font-size: 12px; box-shadow: inset 0 1px 0 rgba(255, 255, 255, .3); }
.f-ico svg { width: 20px; height: 20px; }
.f-call .f-ico { background: linear-gradient(180deg, #ee2f3d, #c01623); animation: pulse 2.4s infinite; }
.f-zalo .f-ico { background: linear-gradient(180deg, #1a7bff, #0058d6); }
.f-map .f-ico { background: linear-gradient(180deg, #3898e2, #1a7fd4); color: #fff3b0; }
.f-txt { text-align: left; }
.f-txt small { display: block; font-size: 11.5px; color: var(--muted); line-height: 1.25; letter-spacing: .3px; }
.f-txt b { display: block; font-size: 15px; font-weight: 700; line-height: 1.25; white-space: nowrap; }

.visit { display: grid; grid-template-columns: .82fr 1.18fr; gap: 28px; align-items: stretch; }
.visit-info { display: flex; flex-direction: column; justify-content: space-between; gap: 24px; padding: 30px; background: #fff; border: 1px solid var(--sand); border-top: 3px solid var(--gold); border-radius: 14px; box-shadow: 0 16px 36px rgba(26, 127, 212, .08); }
.visit-info ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 20px; }
.visit-info li { display: flex; gap: 14px; align-items: flex-start; }
.visit-info li svg { width: 22px; height: 22px; color: var(--gold-dark); margin-top: 4px; }
.visit-info small { display: block; font-size: 12px; letter-spacing: 1.3px; text-transform: uppercase; color: var(--gold-dark); }
.visit-info b { font-size: 17px; font-weight: 600; color: var(--navy); }
.visit-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.visit-actions .btn { flex: 1; padding: 13px 16px; }
.visit .map { min-height: 380px; }

@media (max-width: 1240px) {
  .hotline { padding: 6px 14px 6px 6px; }
  .hotline > span:last-child { display: block; }
  .hotline small { display: none; }
}
@media (max-width: 1100px) {
  .visit { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .hotline { padding: 6px; }
  .hotline > span:last-child { display: none; }
  .topbar .wrap { min-height: 40px; }
  .topbar-right { gap: 18px; }
  .topbar-right a.tb-call, .topbar-right a.tb-zalo { display: inline-flex; }
  .tb-hours { display: none !important; }
  /* điện thoại: thanh liên hệ cố định ở đáy màn hình */
  .float { left: 0; right: 0; bottom: 0; grid-template-columns: repeat(3, 1fr); gap: 6px; justify-items: stretch; padding: 7px 8px calc(7px + env(safe-area-inset-bottom)); background: #fff; border-top: 1px solid var(--sand); box-shadow: 0 -10px 26px rgba(26, 127, 212, .14); }
  .float a, .float .f-call, .float .f-zalo { justify-content: center; gap: 6px; padding: 5px 4px; border-radius: 12px; box-shadow: none; }
  .float a:hover { transform: none; box-shadow: none; }
  .f-ico { width: 30px; height: 30px; font-size: 9.5px; }
  .f-ico svg { width: 17px; height: 17px; }
  .f-txt small { font-size: 12.5px; font-weight: 600; color: var(--navy); white-space: nowrap; letter-spacing: 0; }
  .f-txt b { display: none; }
  .visit-info { padding: 22px; }
  .visit .map { min-height: 300px; }
}

/* ---------- Fanpage Facebook ---------- */
.tb-fb svg { color: #6ea8ff; }
.tb-fb:hover { color: #fff; }
.f-fb .f-ico { background: linear-gradient(180deg, #2f8bff, #1466d8); }
.btn-fb { background: linear-gradient(180deg, #2f8bff, #1466d8); color: #fff; box-shadow: 0 10px 22px rgba(24, 119, 242, .26), inset 0 1px 0 rgba(255, 255, 255, .25); }
.socials { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.socials a { display: inline-flex; align-items: center; gap: 8px; padding: 9px 16px; border-radius: 999px; border: 1px solid rgba(255, 196, 35, .5); color: #fff3b0; font-size: 14.5px; font-weight: 500; transition: .15s ease; }
.socials a:hover { background: rgba(255, 196, 35, .14); color: #fff; border-color: var(--gold); }
.socials .so-fb svg { color: #6ea8ff; }
@media (max-width: 1100px) {
  .tb-fb { display: none !important; }
}
@media (max-width: 640px) {
  /* bốn nút trên thanh đáy: biểu tượng trên, chữ dưới */
  .float { grid-template-columns: repeat(4, 1fr); gap: 4px; }
  .float a, .float .f-call, .float .f-zalo { flex-direction: column; gap: 3px; padding: 4px 2px; border: 0; }
  .f-txt { text-align: center; }
  .f-txt small { font-size: 11.5px; }
}

/* ---------- Nút liên hệ gom một chỗ và nút về đầu trang ---------- */
.dock { position: fixed; right: 20px; bottom: 20px; z-index: 60; display: grid; justify-items: end; gap: 12px; }
.dock-btn { position: relative; width: 60px; height: 60px; border-radius: 50%; border: 1px solid var(--gold); cursor: pointer; display: grid; place-items: center; color: #fff3b0; background: linear-gradient(180deg, #4aa6ea, #1a7fd4); box-shadow: 0 14px 30px rgba(26, 127, 212, .38), inset 0 1px 0 rgba(255, 255, 255, .18); transition: transform .2s ease; }
.dock-btn:hover { transform: scale(1.06); }
.dock-btn::before { content: ""; position: absolute; inset: -1px; border-radius: 50%; border: 2px solid var(--gold); animation: ringpulse 2.4s ease-out infinite; pointer-events: none; }
@keyframes ringpulse { 0% { transform: scale(1); opacity: .8; } 100% { transform: scale(1.6); opacity: 0; } }
.dock-btn svg { width: 26px; height: 26px; }
.d-open, .d-close { display: grid; place-items: center; }
.d-close { display: none; font-size: 32px; line-height: 1; padding-bottom: 4px; }
.dock-btn[aria-expanded="true"] .d-open { display: none; }
.dock-btn[aria-expanded="true"] .d-close { display: grid; }
.dock-btn[aria-expanded="true"]::before { animation: none; opacity: 0; }
.to-top { width: 46px; height: 46px; margin-right: 7px; border-radius: 50%; border: 1px solid rgba(255, 196, 35, .7); background: #fff; color: var(--navy); cursor: pointer; display: grid; place-items: center; box-shadow: 0 10px 24px rgba(26, 127, 212, .18); transition: .15s ease; }
.to-top:hover { background: linear-gradient(180deg, #4aa6ea, #1a7fd4); color: #fff3b0; transform: translateY(-3px); }
.to-top svg { width: 20px; height: 20px; }
.contact-pop { width: min(320px, calc(100vw - 40px)); background: #fff; border: 1px solid rgba(255, 196, 35, .65); border-radius: 16px; overflow: hidden; box-shadow: 0 6px 0 -3px rgba(255, 196, 35, .4), 0 26px 60px rgba(26, 127, 212, .32); transform-origin: bottom right; animation: popin .2s ease; }
@keyframes popin { from { opacity: 0; transform: translateY(10px) scale(.96); } }
.cp-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; color: #fff; background: radial-gradient(240px 100px at 90% 0, rgba(255, 196, 35, .32), transparent 70%), linear-gradient(180deg, #0e2a5f, #1a7fd4); border-bottom: 2px solid var(--gold); }
.cp-head b { font-family: var(--serif); font-size: 18px; font-weight: 600; }
.cp-close { border: 0; background: none; color: #fff3b0; font-size: 28px; line-height: 1; cursor: pointer; padding: 0 2px; }
.cp-item { display: flex; align-items: center; gap: 14px; padding: 11px 18px; transition: background .15s ease; }
.cp-item + .cp-item { border-top: 1px solid #e8f4fd; }
.cp-item:hover { background: var(--cream); }
.cp-item b { display: block; font-size: 15.5px; color: var(--navy); line-height: 1.3; }
.cp-item small { display: block; font-size: 13.5px; color: var(--muted); line-height: 1.35; }
.c-call { background: linear-gradient(180deg, #ee2f3d, #c01623); }
.c-zalo { background: linear-gradient(180deg, #1a7bff, #0058d6); }
.c-mess { background: linear-gradient(135deg, #00b2ff, #006aff 55%, #a033ff); }
.c-fb { background: linear-gradient(180deg, #2f8bff, #1466d8); }
.c-map { background: linear-gradient(180deg, #3898e2, #1a7fd4); color: #fff3b0; }
@media (max-width: 640px) {
  .dock { right: 14px; bottom: 14px; gap: 10px; }
  .dock-btn { width: 56px; height: 56px; }
  .to-top { width: 42px; height: 42px; }
  .f-ico { width: 40px; height: 40px; font-size: 11.5px; }
  .f-ico svg { width: 19px; height: 19px; }
}

/* ---------- Chân trang: tên công ty hai dòng, chữ lớn màu vàng ---------- */
.footer-co { margin-bottom: 20px; line-height: 1.15; }
.footer-co small { display: block; font-size: 17px; font-weight: 700; letter-spacing: 1.2px; color: #fff; }
.footer-co b { display: inline-block; margin-top: 6px; font-family: var(--serif); font-size: 40px; font-weight: 700; letter-spacing: 1px; line-height: 1.15;
  background: linear-gradient(180deg, #fff6cc 0%, #ffd54f 38%, #ffc423 62%, #a37a2d 100%); -webkit-background-clip: text; background-clip: text; color: transparent; -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 3px 10px rgba(255, 196, 35, .25)); }
.footer .f-info { gap: 12px; }
.footer .f-info li { display: block; color: #d5dcec; }
.footer .f-info b { color: #fff; font-weight: 700; }
.footer .f-info a:hover { color: var(--gold); }
.socials a { padding: 6px 18px 6px 6px; gap: 10px; color: #fff; border-color: rgba(255, 255, 255, .55); }
.socials a i { width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; background: #fff; color: #1466d8; font-style: normal; flex: none; }
.socials a i svg { width: 17px; height: 17px; color: inherit; }
.socials .so-mess i { color: #8a3cff; }
.socials .so-zalo i.z { color: #0058d6; font-size: 9.5px; font-weight: 800; }
.socials a:hover { background: rgba(255, 255, 255, .1); border-color: var(--gold); color: #fff; }
@media (max-width: 640px) {
  .footer-co small { font-size: 15px; }
  .footer-co b { font-size: 32px; }
}

/* ---------- Menu 7 mục ---------- */
.nav > ul > li > a { font-size: clamp(13.5px, 1.08vw, 15.5px); }
@media (min-width: 1241px) {
  .brand img { height: 50px; }
  .brand-text b { font-size: 20px; }
}
@media (max-width: 1240px) {
  .nav > ul > li > a { font-size: 17px; padding: 14px; }
}

/* ---------- Trang sản phẩm: phần đầu nền navy 3D, nút vàng ---------- */
.btn-gold { background: linear-gradient(180deg, #ffd54f, #f5b400); color: #1a1407; box-shadow: 0 10px 24px rgba(255, 196, 35, .35), inset 0 1px 0 rgba(255, 255, 255, .5); }
.btn-gold:hover { background: linear-gradient(180deg, #ffe082, #ffc423); }
.pd-hero { position: relative; overflow: hidden; perspective: 1100px; color: #fff; background: radial-gradient(760px 480px at 22% 46%, rgba(255, 196, 35, .24), transparent 66%), linear-gradient(180deg, #0b4a8c, #1a7fd4); }
.pd-hero::before { content: ""; position: absolute; left: 0; right: 0; top: 68%; height: 1px; background: linear-gradient(90deg, transparent, rgba(255, 236, 190, .9) 24%, rgba(255, 196, 35, .6) 60%, transparent); box-shadow: 0 0 34px 6px rgba(255, 196, 35, .32); pointer-events: none; }
.pd-hero .floor { top: 68%; }
.pd-hero .ring { right: auto; left: max(-150px, calc(50% - 660px)); top: 50%; }
.pd-hero .orb.o1 { left: 45.5%; top: 5%; width: 40px; height: 40px; }
.pd-hero .orb.o3 { right: 3%; top: 9%; }
.pd-hero .pd { position: relative; z-index: 1; padding-block: 52px 72px; align-items: center; }
.pd-hero .pd-gallery { position: relative; top: auto; }
.pd-hero .pd-img { border-color: rgba(255, 196, 35, .8); box-shadow: 7px 7px 0 -1px rgba(255, 196, 35, .4), 14px 14px 0 -2px rgba(255, 196, 35, .22), 21px 21px 0 -3px rgba(255, 196, 35, .1), 56px 66px 90px rgba(0, 0, 0, .55); }
.pd-hero .pd-thumbs button { border-color: rgba(255, 196, 35, .45); }
.pd-hero .crumbs { color: #ffe082; }
.pd-hero .crumbs a:hover { color: #fff; }
.pd-hero h1 { color: #fff; }
.pd-hero .tag { background: rgba(255, 255, 255, .08); border-color: rgba(255, 196, 35, .5); color: #fff3b0; }
.pd-hero .tag.green { background: rgba(53, 184, 119, .16); border-color: rgba(53, 184, 119, .45); color: #86e3b1; }
.pd-hero .pd-lead { color: #e6f3ff; font-weight: 300; }
.pd-hero .pd-specs { background: rgba(255, 255, 255, .06); border-color: rgba(255, 196, 35, .45); box-shadow: none; }
.pd-hero .pd-specs div + div { border-left-color: rgba(255, 196, 35, .3); }
.pd-hero .pd-specs dt { color: var(--gold); }
.pd-hero .pd-specs dd { color: #fff; }
.pd-hero .pd-price { background: transparent; border: 0; border-left: 3px solid var(--gold); border-radius: 0; padding: 2px 0 2px 18px; }
.pd-hero .pd-price b { color: #ffd54f; }
.pd-hero .pd-price span { color: #b9c3da; }
.pd-hero .btn-ghost { border-color: rgba(255, 255, 255, .45); }
.pd-hero .pd-perks { background: rgba(255, 255, 255, .05); border-color: rgba(255, 196, 35, .32); color: #dbe2f1; }
.pd-hero .pd-perks svg { color: var(--gold); }
@media (max-width: 1100px) {
  .pd-hero .pd { padding-block: 34px 52px; }
  .pd-hero .ring { left: 50%; margin-left: -320px; top: 300px; }
  .pd-hero .orb { display: none; }
}
@media (max-width: 640px) {
  .pd-hero .ring { width: 420px; height: 420px; margin: -210px 0 0 -210px; top: 210px; }
  .pd-hero .floor, .pd-hero::before { display: none; }
}

/* ---------- Thanh trên cùng: chỉ viền dưới ánh kim vàng, có một điểm sáng lướt dọc viền ---------- */
.topbar { position: relative; overflow: hidden; background: linear-gradient(90deg, #083d78, #1a7fd4 50%, #083d78); padding-bottom: 2px; }
.topbar .wrap { position: relative; z-index: 2; }
/* viền kim loại: các dải vàng đậm nhạt trôi rất chậm về bên phải */
.topbar::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; pointer-events: none;
  background: linear-gradient(90deg, #e0a200 0%, #ffc423 16%, #ffe082 32%, #ffc423 48%, #f5b400 62%, #ffd34d 80%, #ffc423 90%, #e0a200 100%) repeat-x 0 0 / 200% 100%;
  animation: tb-drift 26s linear infinite; }
/* đường sáng: dài, mềm, cùng tông vàng với viền, lướt đều tay rồi tan dần */
.topbar::before { content: ""; position: absolute; left: 0; bottom: 0; width: 30%; height: 2px; z-index: 1; border-radius: 2px; pointer-events: none;
  background: linear-gradient(90deg, rgba(255, 243, 207, 0) 0%, rgba(255, 243, 207, .25) 22%, rgba(255, 246, 222, .8) 42%, #fff8e6 50%, rgba(255, 246, 222, .8) 58%, rgba(255, 243, 207, .25) 78%, rgba(255, 243, 207, 0) 100%);
  box-shadow: 0 0 8px 0 rgba(255, 232, 160, .55), 0 -2px 14px 1px rgba(255, 214, 120, .18);
  transform: translateX(-110%); opacity: 0; animation: tb-glint 7.5s cubic-bezier(.4, 0, .6, 1) infinite; }
.tb-call b, .tb-zalo b { color: #fff; }
.tb-call:hover b, .tb-zalo:hover b { color: var(--gold); }
@keyframes tb-glint {
  0% { transform: translateX(-110%); opacity: 0; }
  14% { opacity: .9; }
  60% { opacity: .9; }
  78%, 100% { transform: translateX(440%); opacity: 0; }
}
@keyframes tb-drift { from { background-position: 0% 0; } to { background-position: -200% 0; } }

/* ---------- Tiktok, Youtube (chỉ hiện khi đã điền đường dẫn trong build.py) ---------- */
.c-tiktok { background: linear-gradient(135deg, #25f4ee, #111 45%, #111 60%, #fe2c55); }
.c-youtube { background: linear-gradient(180deg, #ff3b30, #d40000); }
.socials .so-tiktok i { color: #111; }
.socials .so-youtube i { color: #e00000; }


/* Lối vào khu vực nội bộ (kho, phiếu xuất nhập) dành cho nhân viên */
.topbar a.tb-staff { opacity: .75; }
.topbar a.tb-staff:hover { opacity: 1; }
.copy a.staff-link { color: inherit; text-decoration: underline; text-underline-offset: 3px; opacity: .85; }
.copy a.staff-link:hover { color: var(--gold); opacity: 1; }

/* ---------- Tông xanh toàn trang như web cũ: thanh đầu trang xanh chữ trắng, tiêu đề xanh, nền nhạt xanh ---------- */
.header { background: linear-gradient(180deg, #3f9fe6, #1f86d8); border-bottom: 0; box-shadow: 0 6px 20px rgba(26, 127, 212, .28); }
.brand-text b { color: #fff; }
.brand-text small { color: #e3f2ff; }
.nav > ul > li > a { color: #fff; font-weight: 600; }
.nav > ul > li > a svg { color: #ffe082; }
.nav > ul > li > a:hover { background: rgba(255, 255, 255, .16); }
.nav > ul > li > a[aria-current="page"] { color: #ffd34d; background: rgba(255, 255, 255, .14); }
.hsearch input { background: #fff; border-color: #fff; }
.hsearch input:focus { border-color: #ffc423; }
.hsearch button { color: #1a7fd4; }
.hsearch button:hover { background: #e3f2ff; }
.menu-btn { background: rgba(255, 255, 255, .14); border-color: rgba(255, 255, 255, .45); color: #fff; }
.hotline { background: linear-gradient(180deg, #ff4d5a, #d81b2a); box-shadow: 0 8px 18px rgba(0, 0, 0, .18); }
.s-split.t-dark { background: radial-gradient(720px 460px at 82% 46%, rgba(255, 196, 35, .22), transparent 66%), linear-gradient(135deg, #0f5fae, #3898e2); }
.section-head h2, .about h2, .finder h2, .pagehead h1, .pd h1, .prose h2, .fr-head h3, .tabs-title { color: #0d5399; }
.section-head h2::after { background: #3898e2; }
.card { border-color: #bcdcf7; }
.card:hover { border-color: #3898e2; }
.footer { background: linear-gradient(180deg, #0f5fae, #083d78); }
.footer-powered, .copy { background: rgba(0, 0, 0, .18); }
@media (max-width: 1240px) {
  .nav { background: linear-gradient(180deg, #3f9fe6, #1f86d8); }
  .nav > ul > li > a { color: #fff; }
  .nav .sub a { color: #fff; }
  .nav .sub a:hover { background: rgba(255, 255, 255, .16); color: #ffd34d; }
  .nav .sub em { color: #e3f2ff; }
  .hotline { background: linear-gradient(180deg, #ff4d5a, #d81b2a); }
}

/* ---------- Ba hình chuyển đầu trang: nền sáng, không dùng nền tối ---------- */
.slider { background: #e9f5ff; }
.s-banner { background: linear-gradient(180deg, #f2fbff, #d8ecfc); }
.s-banner::before { display: none; }
.s-split.t-navy, .s-split.t-blue, .s-split.t-dark { background: radial-gradient(720px 460px at 82% 46%, rgba(255, 255, 255, .28), transparent 66%), linear-gradient(135deg, #3f9fe6, #1f86d8); }
.s-text p, .t-blue .s-text p { color: #f2f8ff; }
.s-shot { box-shadow: 0 30px 60px rgba(13, 83, 153, .35); border-color: rgba(255, 255, 255, .7); }
.sl-btn { background: #fff; color: #1a7fd4; }
.sl-dots button { background: rgba(26, 127, 212, .35); box-shadow: none; }
.sl-dots button.on { background: #ffc423; }

/* ---------- Logo và tên công ty như góc trên trái trang cũ: nền trắng, tên xanh + đỏ, logo có vệt sáng chạy qua ---------- */
.header { background: #fff; border-bottom: 3px solid #3898e2; box-shadow: 0 4px 16px rgba(26, 127, 212, .12); }
.brand { gap: 14px; }
.brand-logo { position: relative; display: block; overflow: hidden; border-radius: 10px; }
.brand-logo img { height: 58px; width: auto; display: block; }
.brand-logo::after { content: ""; position: absolute; top: -20%; bottom: -20%; left: -70%; width: 45%; transform: skewX(-22deg);
  background: linear-gradient(90deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, .85) 50%, rgba(255, 255, 255, 0) 100%);
  animation: logo-shine 3.6s ease-in-out infinite; pointer-events: none; }
@keyframes logo-shine { 0% { left: -70%; } 35% { left: 130%; } 100% { left: 130%; } }
.brand-text { line-height: 1.05; }
.brand-text small { display: block; font-family: "Be Vietnam Pro", system-ui, sans-serif; font-size: 12.5px; font-weight: 800; letter-spacing: .6px; color: #1a7fd4; text-transform: uppercase; }
.brand-text b { display: block; font-family: "Be Vietnam Pro", system-ui, sans-serif; font-size: 23px; font-weight: 900; letter-spacing: .3px; color: #e3202f; text-transform: uppercase; margin-top: 2px; }
.nav > ul > li > a { color: #0d5399; font-weight: 600; }
.nav > ul > li > a svg { color: #3898e2; }
.nav > ul > li > a:hover { background: #e3f2ff; color: #1a7fd4; }
.nav > ul > li > a[aria-current="page"] { color: #fff; background: linear-gradient(180deg, #3f9fe6, #1f86d8); }
.hsearch input { background: #f2fbff; border-color: #cfe6fb; }
.hsearch input:focus { border-color: #3898e2; background: #fff; }
.menu-btn { background: #e3f2ff; border-color: #bcdcf7; color: #1a7fd4; }
@media (max-width: 1260px) { .brand-text small { display: block; } }
@media (max-width: 1240px) {
  .brand-logo img { height: 50px; }
  .brand-text b { font-size: 19px; }
  .brand-text small { font-size: 11px; }
}
@media (max-width: 480px) { .brand-text b { font-size: 16.5px; } .brand-text small { font-size: 9.5px; } .brand-logo img { height: 44px; } }

/* logo và tên công ty to hơn, cân đối */
.header .wrap { min-height: 96px; }
.brand { gap: 16px; }
.brand-logo img { height: 74px; }
.brand-text small { font-size: 14px; letter-spacing: 1px; }
.brand-text b { font-size: 29px; letter-spacing: .5px; margin-top: 3px; }
@media (max-width: 1240px) {
  .header .wrap { min-height: 0; }
  .brand-logo img { height: 60px; }
  .brand-text b { font-size: 23px; }
  .brand-text small { font-size: 12px; }
}
@media (max-width: 480px) { .brand-text b { font-size: 18px; } .brand-text small { font-size: 10px; } .brand-logo img { height: 48px; } }

/* ô tìm kiếm thu gọn thành nút tròn, bung ra khi rê chuột; nút hotline bo tròn */
@media (min-width: 1241px) {
  .hsearch { flex: 0 0 auto; max-width: none; min-width: 0; width: 46px; margin-left: auto; transition: width .25s ease; }
  .hsearch:hover, .hsearch:focus-within, .hsearch:has(input:not(:placeholder-shown)) { width: 240px; }
  .hsearch input { height: 46px; padding: 0 46px 0 18px; border-radius: 999px; border: 1.5px solid #bcdcf7; background: #f2fbff; font-size: 14.5px; }
  .hsearch input::placeholder { opacity: 0; transition: opacity .2s ease; }
  .hsearch:hover input::placeholder, .hsearch:focus-within input::placeholder { opacity: 1; }
  .hsearch button { right: 3px; top: 3px; bottom: 3px; width: 40px; border-radius: 50%; background: linear-gradient(180deg, #3f9fe6, #1f86d8); color: #fff; }
  .hsearch button:hover { background: linear-gradient(180deg, #1f86d8, #0f5fae); }
  .hsearch button svg { width: 18px; height: 18px; }
}
.hotline { border-radius: 999px; padding: 6px 22px 6px 7px; gap: 11px; background: linear-gradient(135deg, #ff5a65, #e3202f 55%, #c01623); box-shadow: 0 8px 20px rgba(227, 32, 47, .3), inset 0 1px 0 rgba(255, 255, 255, .25); }
.hotline:hover { background: linear-gradient(135deg, #ff6b75, #e3202f 55%, #a8101d); }
.hotline-ico { width: 40px; height: 40px; border-radius: 50%; background: #fff; color: #e3202f; box-shadow: 0 2px 6px rgba(0, 0, 0, .15); }
.hotline-ico svg { width: 19px; height: 19px; }
.hotline small { font-size: 11px; letter-spacing: .4px; opacity: .92; }
.hotline b { font-size: 18px; letter-spacing: .3px; }
@media (max-width: 1240px) { .hotline { padding: 5px; } .hotline-ico { width: 38px; height: 38px; } }

/* tách ô tìm kiếm, hotline và menu cho khỏi dính nhau trên màn hình vừa */
@media (min-width: 1241px) {
  .header .wrap { gap: 14px; }
  .nav { margin-left: 2px; }
  .hsearch { margin-left: auto; margin-right: 6px; }
  .hotline { flex: none; }
}
@media (min-width: 1241px) and (max-width: 1540px) {
  .nav > ul { gap: 0; }
  .nav > ul > li > a { padding-inline: 7px; font-size: 14.5px; }
  .brand { gap: 12px; }
  .brand-logo img { height: 64px; }
  .brand-text b { font-size: 24px; }
  .brand-text small { font-size: 12px; }
  .hotline small { display: none; }
  .hotline { padding: 5px 16px 5px 6px; gap: 9px; }
  .hotline b { font-size: 17px; }
}

/* hai nút mũi tên của dãy sản phẩm nằm hẳn bên ngoài, không đè lên thẻ */
.carousel { padding-inline: 58px; }
.carousel .sl-btn { width: 46px; height: 46px; background: #fff; color: #1a7fd4; border: 1.5px solid #bcdcf7; box-shadow: 0 6px 16px rgba(26, 127, 212, .18); }
.carousel .sl-btn:hover { background: #1a7fd4; color: #fff; border-color: #1a7fd4; }
.carousel .sl-prev { left: 0; }
.carousel .sl-next { right: 0; }
@media (max-width: 700px) {
  .carousel { padding-inline: 0; }
  .carousel .sl-btn { display: none; }
}

/* ---------- Điện thoại: đầu trang gọn 2 hàng, không dính; banner không hở khoảng trống ---------- */
@media (max-width: 640px) {
  .header { position: static; border-bottom-width: 2px; }
  .header .wrap { flex-wrap: wrap; gap: 8px 10px; padding-block: 8px 10px; width: min(var(--wrap), 100% - 24px); }
  .brand { gap: 9px; flex: 1 1 auto; min-width: 0; }
  .brand-logo { border-radius: 8px; }
  .brand-logo img { height: 42px; }
  .brand-text small { font-size: 8.5px; letter-spacing: .4px; }
  .brand-text b { font-size: 15px; letter-spacing: .2px; margin-top: 1px; white-space: nowrap; }
  .hotline { margin-left: 0; padding: 4px; }
  .hotline-ico { width: 36px; height: 36px; }
  .hotline-ico svg { width: 17px; height: 17px; }
  .menu-btn { width: 44px; height: 44px; border-radius: 10px; }
  .hsearch { order: 5; flex: 0 0 100%; }
  .hsearch input { padding: 10px 44px 10px 14px; font-size: 15px; border-radius: 10px; background: #f2fbff; border-color: #cfe6fb; }
  .hsearch button { color: #1a7fd4; }
  .topbar .wrap { min-height: 36px; }
  .topbar span, .topbar a { font-size: 13px; }

  .slider { background: #eaf4fd; }
  .slide { align-items: flex-start; }
  .s-banner .wrap { padding-block: 12px 36px; }
  .s-banner img { border-radius: 10px; box-shadow: 0 14px 30px rgba(26, 127, 212, .22); transform: none; }
  .s-cap { margin-top: 18px; gap: 6px; }
  .s-cap b { font-size: 23px; }
  .s-cap > span:not(.btn) { font-size: 14.5px; }
  .s-cap .btn { margin-top: 6px; padding: 13px 22px; font-size: 15.5px; }
  .s-split .wrap { gap: 16px; padding-block: 16px 52px; }
  .s-shot { max-width: 240px; padding: 6px; }
  .s-text h2 { font-size: 27px; margin: 6px 0 8px; }
  .s-text p { font-size: 15px; margin-bottom: 14px; }
  .s-text .btn { padding: 12px 20px; font-size: 15px; }
  .orb, .ring, .floor { display: none !important; }
  .sl-dots { bottom: 12px; }

  .section { padding-block: 34px; }
  .section-head { margin-bottom: 16px; }
  .section-head h2 { font-size: 24px; padding-bottom: 10px; }
  .eyebrow { font-size: 11px; letter-spacing: 2px; }
  .finder { padding: 16px 14px; }
  .inch { padding: 8px 2px; }
  .inch b { font-size: 18px; }
  .card-body { padding: 12px; }
  .card h3, .card .card-title { font-size: 14.5px; }
  .float { gap: 8px; }
  .footer { padding-block: 34px 0; }
  .footer-brand b { font-size: 20px; }
}

/* điện thoại: menu trượt có mục con rõ chữ; hình banner 1 căn giữa, không hở đáy */
@media (max-width: 1240px) {
  .nav .sub { background: rgba(255, 255, 255, .14); border-radius: 12px; padding: 6px 6px 6px 10px; margin: 4px 0 8px; }
  .nav .sub a { color: #fff; }
  .nav .sub em { color: #dcefff; }
  .nav > ul > li > a svg { color: #ffe082; }
}
@media (max-width: 640px) {
  .slide.s-banner { align-items: center; }
  .s-shot { max-width: 215px; }
  .s-split .wrap { padding-block: 14px 50px; }
}