/* Giao dien chung website VANTARA (trang chu, danh muc, san pham, gio bao gia, chinh sach).
   Trang HTML do kho-san-pham/tao-web.ps1 tao ra, chi sua giao dien o file nay. */
:root {
  --than: #06102a;
  --than-2: #0e2a5c;
  --xanh: #1f6fd1;
  --xanh-sang: #4aa3ff;
  --xanh-nhat: #eef4fc;
  --xam: #f4f5f7;
  --xam-2: #e6e8ec;
  --chu: #14181f;
  --chu-phu: #5d6470;
  --do: #c0392b;
  --cam: #e67e22;
  --trang: #ffffff;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 120px; }
body {
  font-family: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--trang); color: var(--chu);
  font-size: 15px; line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
.khung { max-width: 1240px; margin: 0 auto; padding: 0 16px; }
[hidden] { display: none !important; }

/* ===== O CHO (anh, video, thong so chua co) ===== */
.cho {
  width: 100%; height: 100%; min-height: 120px;
  display: grid; place-items: center; align-content: center; gap: 4px; text-align: center;
  padding: 14px; color: var(--than-2);
  background: repeating-linear-gradient(135deg, #f3f7fd 0 14px, #e9f0fb 14px 28px);
  border: 2px dashed #8fb6ea;
}
.cho svg { width: 30px; height: 30px; color: var(--xanh); opacity: .8; }
.cho b { font-size: 12px; letter-spacing: .16em; color: var(--xanh); }
.cho span { font-size: 12px; color: var(--chu-phu); word-break: break-all; }
.cho i { font-style: normal; font-size: 11px; color: var(--chu-phu); opacity: .8; }
.cho-toi { background: repeating-linear-gradient(135deg, #0b1a3d 0 14px, #0e2048 14px 28px); border-color: #3d6db3; color: #cfe0ff; }
.cho-toi b { color: var(--xanh-sang); }
.cho-toi span, .cho-toi i { color: #9fb3d6; }
.cho-chu { display: inline-block; font-size: 12px; font-weight: 600; letter-spacing: .06em; color: var(--xanh); background: var(--xanh-nhat); border: 1px dashed #8fb6ea; padding: 1px 8px; }
.o-anh { position: relative; overflow: hidden; background: var(--xam); }
/* Bản đưa khách: ô chưa có ảnh thành nền thương hiệu */
.nen-trong { width: 100%; height: 100%; min-height: 120px; display: grid; place-items: center; background: linear-gradient(135deg, var(--than) 0%, var(--than-2) 100%); }
.nen-trong img { width: 34%; max-width: 220px; opacity: .22; }
.tu-van-vien:has(> :only-child) { grid-template-columns: 1fr; }
.o-anh > img, .o-anh > video, .o-anh > iframe { width: 100%; height: 100%; object-fit: cover; border: 0; display: block; }

/* ===== DAU TRANG ===== */
.thanh-tren { background: #030a1c; color: rgba(255,255,255,.72); font-size: 12px; }
.thanh-tren .khung { display: flex; justify-content: space-between; align-items: center; height: 34px; gap: 16px; }
.thanh-tren a:hover { color: var(--trang); }
.thanh-tren .trai { display: flex; gap: 18px; overflow: hidden; white-space: nowrap; }
.thanh-tren .phai { display: none; gap: 18px; }
.menu { position: sticky; top: 0; z-index: 30; background: var(--than); color: var(--trang); }
.menu-tren { display: flex; align-items: center; justify-content: space-between; height: 62px; gap: 16px; }
.menu .logo img { height: 40px; width: auto; }
.nav-chinh { display: flex; gap: 4px; font-size: 14px; font-weight: 500; letter-spacing: .02em; color: rgba(255,255,255,.85); overflow-x: auto; white-space: nowrap; scrollbar-width: none; }
.nav-chinh::-webkit-scrollbar { display: none; }
.nav-chinh > a, .nav-chinh > .co-menu > a { display: block; padding: 10px 12px; text-transform: uppercase; font-size: 13px; letter-spacing: .06em; }
.nav-chinh a:hover, .nav-chinh a.dang-xem { color: var(--trang); }
.nav-chinh a.dang-xem { box-shadow: inset 0 -2px 0 var(--xanh-sang); }
.menu-duoi { border-top: 1px solid rgba(255,255,255,.08); }
.menu-tren .nav-chinh { display: none; }
.menu-phai { display: flex; gap: 8px; align-items: center; }
.nut-tim { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.25); border-radius: 2px; }
.nut-tim svg { width: 18px; height: 18px; }
.nut-gio { position: relative; display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; border: 1px solid rgba(255,255,255,.35); height: 38px; padding: 0 14px; border-radius: 2px; }
.nut-gio svg { width: 18px; height: 18px; }
.nut-gio b, .dem { min-width: 20px; height: 20px; padding: 0 6px; border-radius: 10px; background: var(--xanh-sang); color: var(--than); font-size: 12px; display: inline-grid; place-items: center; }
/* Menu xo xuong nhom san pham */
.co-menu { position: static; }
.menu-xo { display: none; }
@media (min-width: 980px) {
  .co-menu:hover .menu-xo, .co-menu:focus-within .menu-xo { display: block; }
  .menu-xo { position: absolute; left: 0; right: 0; top: 100%; background: var(--trang); color: var(--chu); border-top: 2px solid var(--xanh); box-shadow: 0 18px 40px rgba(6,16,42,.18); white-space: normal; }
  .menu-xo .khung { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; padding: 28px 32px 32px; }
  .menu-xo h4 { font-size: 13px; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 8px; }
  .menu-xo h4 a:hover { color: var(--xanh); }
  .menu-xo li { list-style: none; font-size: 14px; padding: 3px 0; color: var(--chu-phu); }
  .menu-xo li a:hover { color: var(--xanh); }
  .menu-xo .xem-het { grid-column: 1 / -1; border-top: 1px solid var(--xam-2); padding-top: 14px; font-size: 14px; font-weight: 600; color: var(--xanh); }
}

/* ===== TRANG CHU ===== */
.truot { position: relative; background: var(--than); color: var(--trang); overflow: hidden; }
.truot-ray { display: flex; transition: transform .7s cubic-bezier(.6,.1,.2,1); }
.slide { position: relative; flex: 0 0 100%; aspect-ratio: 4 / 5; }
.slide .o-anh { position: absolute; inset: 0; background: var(--than); }
.slide .o-anh .cho { border-width: 0; align-content: start; justify-items: end; text-align: right; padding: 24px 24px; }
@media (min-width: 760px) { .slide .o-anh .cho { padding: 40px 72px; } }
.slide .chu-slide { position: absolute; left: 0; right: 0; bottom: 0; padding: 120px 0 64px; background: linear-gradient(180deg, transparent, rgba(6,16,42,.85)); pointer-events: none; }
.slide .chu-slide .khung > * { pointer-events: auto; }
.slide .chu-slide small { font-size: 12px; letter-spacing: .28em; text-transform: uppercase; color: var(--xanh-sang); font-weight: 600; }
.slide h2 { font-size: clamp(30px, 6vw, 60px); font-weight: 300; line-height: 1.12; margin: 10px 0 12px; max-width: 760px; }
.slide p { color: rgba(255,255,255,.85); max-width: 560px; margin-bottom: 22px; }
.truot-nut { position: absolute; top: 50%; transform: translateY(-50%); width: 44px; height: 44px; border: 1px solid rgba(255,255,255,.4); background: rgba(6,16,42,.35); color: var(--trang); cursor: pointer; display: none; place-items: center; z-index: 2; }
.truot-nut svg { width: 20px; height: 20px; }
.truot-nut.truoc { left: 20px; } .truot-nut.sau { right: 20px; }
.truot-cham { position: absolute; left: 0; right: 0; bottom: 22px; display: flex; justify-content: center; gap: 8px; z-index: 2; }
.truot-cham button { width: 28px; height: 3px; border: 0; background: rgba(255,255,255,.35); cursor: pointer; padding: 0; }
.truot-cham button.chon { background: var(--trang); }

section.muc { padding: 64px 0; }
.muc-xam { background: var(--xam); }
.muc-toi { background: var(--than); color: var(--trang); }
.tieu-de { text-align: center; margin-bottom: 36px; }
.tieu-de small { font-size: 12px; letter-spacing: .28em; text-transform: uppercase; color: var(--xanh); font-weight: 600; }
.muc-toi .tieu-de small { color: var(--xanh-sang); }
.tieu-de h2 { font-size: clamp(24px, 4vw, 34px); font-weight: 600; letter-spacing: .06em; text-transform: uppercase; margin-top: 6px; }
.tieu-de p { color: var(--chu-phu); max-width: 680px; margin: 10px auto 0; }
.muc-toi .tieu-de p { color: rgba(255,255,255,.7); }

.luoi-noi-bat { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.o-noi-bat { position: relative; aspect-ratio: 1; display: block; overflow: hidden; }
.o-noi-bat .o-anh { position: absolute; inset: 0; }
.o-noi-bat .o-anh img { transition: transform .6s; }
.o-noi-bat:hover .o-anh img { transform: scale(1.05); }
.o-noi-bat h3 { position: absolute; left: 0; right: 0; bottom: 0; padding: 40px 16px 14px; color: var(--trang); font-size: 15px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; background: linear-gradient(180deg, transparent, rgba(6,16,42,.85)); }

.luoi-nhom { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.nhom-th { background: var(--trang); border: 1px solid var(--xam-2); display: flex; flex-direction: column; transition: border-color .2s, box-shadow .2s; }
.nhom-th:hover { border-color: var(--xanh); box-shadow: 0 10px 30px rgba(6,16,42,.08); }
.nhom-th .o-anh { aspect-ratio: 4 / 3; background: var(--trang); }
.nhom-th .o-anh img { object-fit: contain; padding: 14px; }
.nhom-th > div:last-child { padding: 14px 16px 16px; border-top: 1px solid var(--xam-2); }
.nhom-th h3 { font-size: 16px; font-weight: 600; }
.nhom-th p { font-size: 13px; color: var(--chu-phu); }
.nhom-th .nhan-cho { display: inline-block; margin-top: 6px; font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--xanh); font-weight: 600; }
.menu-xo li:only-child { font-style: italic; }

.luoi-ba { display: grid; gap: 16px; }
.the-anh { display: block; }
.the-anh .o-anh { aspect-ratio: 4 / 3; }
.the-anh h3 { font-size: 17px; font-weight: 600; margin-top: 14px; }
.the-anh p { font-size: 14px; color: var(--chu-phu); margin-top: 4px; }
.muc-toi .the-anh p { color: rgba(255,255,255,.7); }

.luoi-vantara { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--xam-2); border: 1px solid var(--xam-2); }
.o-vantara { background: var(--trang); display: flex; flex-direction: column; }
.o-vantara .o-anh { aspect-ratio: 1; }
.o-vantara div:last-child { padding: 16px; }
.o-vantara h3 { font-size: 15px; font-weight: 600; }
.o-vantara p { font-size: 13px; color: var(--chu-phu); line-height: 1.5; margin-top: 4px; }
.o-vantara .nhan-cho { display: inline-block; margin-top: 8px; font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--xanh); font-weight: 600; }

.khoi-video { display: grid; gap: 12px; }
.khoi-video .o-anh { aspect-ratio: 16 / 9; }
.khoi-video .video-nho { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.khoi-video h3 { font-size: 14px; font-weight: 500; margin-top: 8px; color: rgba(255,255,255,.85); }

.luoi-ck { display: grid; gap: 1px; background: rgba(255,255,255,.12); }
.ck { background: var(--than); padding: 26px 4px 26px 0; }
.ck .so { font-size: 40px; font-weight: 200; color: var(--xanh-sang); line-height: 1; }
.ck h3 { font-size: 17px; font-weight: 600; margin: 12px 0 6px; }
.ck p { font-size: 14px; color: rgba(255,255,255,.7); }

.hai-cot { display: grid; gap: 32px; align-items: center; }
.hai-cot .o-anh { aspect-ratio: 4 / 5; }
.hai-cot p + p { margin-top: 12px; }
.hai-cot .noi-dung p { color: #343a44; }
.hai-cot h2 { font-size: clamp(24px, 4vw, 34px); font-weight: 300; line-height: 1.25; margin: 8px 0 18px; }
.hai-cot h2 b { font-weight: 700; }
.nhan-nho { font-size: 12px; letter-spacing: .28em; text-transform: uppercase; color: var(--xanh); font-weight: 600; }
.trich { font-size: 19px; font-weight: 300; line-height: 1.5; border-left: 2px solid var(--xanh); padding-left: 18px; margin-top: 22px; color: var(--than); }

.luoi-showroom { display: grid; gap: 16px; }
.the-showroom { background: var(--trang); border: 1px solid var(--xam-2); }
.the-showroom .o-anh { aspect-ratio: 16 / 10; }
.the-showroom div:last-child { padding: 18px 20px 20px; }
.the-showroom h3 { font-size: 17px; font-weight: 600; }
.the-showroom p { font-size: 14px; color: var(--chu-phu); margin-top: 4px; }
.the-showroom .nut { margin-top: 14px; }

.quy-trinh { display: grid; gap: 16px; counter-reset: b; }
.buoc { position: relative; background: var(--trang); border: 1px solid var(--xam-2); padding: 26px 22px 22px; }
.buoc::before { counter-increment: b; content: "0" counter(b); font-size: 38px; font-weight: 200; color: var(--xanh); line-height: 1; display: block; margin-bottom: 10px; }
.buoc h3 { font-size: 16px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; }
.buoc p { font-size: 14px; color: var(--chu-phu); margin-top: 6px; }

.luoi-du-an { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.luoi-du-an figure { position: relative; }
.luoi-du-an .o-anh { aspect-ratio: 3 / 4; }
.luoi-du-an figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 28px 12px 10px; font-size: 13px; line-height: 1.4; color: var(--trang); background: linear-gradient(180deg, transparent, rgba(6,16,42,.85)); pointer-events: none; }

.luoi-y-kien { display: grid; gap: 16px; }
.y-kien { background: var(--trang); border: 1px solid var(--xam-2); padding: 22px; display: grid; grid-template-columns: 64px 1fr; gap: 14px; align-items: start; }
.y-kien .o-anh { width: 64px; height: 64px; border-radius: 50%; }
.y-kien .o-anh .cho { min-height: 0; padding: 4px; border-radius: 50%; }
.y-kien .o-anh .cho svg { width: 20px; height: 20px; }
.y-kien .o-anh .cho b, .y-kien .o-anh .cho span, .y-kien .o-anh .cho i { display: none; }
.y-kien blockquote { font-size: 14px; color: #343a44; }
.y-kien cite { display: block; font-style: normal; font-weight: 600; font-size: 14px; margin-top: 10px; }

/* ===== DOI NGU ===== */
.doi-ngu .o-anh { aspect-ratio: 4 / 3; }
.doi-ngu .noi-dung p { color: #343a44; }
.vai-tro { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--xam-2); border: 1px solid var(--xam-2); margin-top: 24px; }
.vai-tro div { background: var(--trang); padding: 16px 14px; }
.vai-tro b { display: block; font-size: 22px; font-weight: 300; color: var(--xanh); line-height: 1.2; }
.vai-tro span { font-size: 13px; color: var(--chu-phu); }
.tu-van-vien { display: grid; gap: 20px; align-items: center; margin-top: 32px; background: var(--xam); padding: 20px; }
.tu-van-vien .o-anh { aspect-ratio: 4 / 5; max-width: 220px; }
.tu-van-vien h3 { font-size: 20px; font-weight: 600; margin: 6px 0; }
.tu-van-vien p { color: var(--chu-phu); margin-bottom: 14px; }
@media (min-width: 760px) { .tu-van-vien { grid-template-columns: 220px 1fr; gap: 32px; padding: 24px; } }

/* ===== TRANG CAU CHUYEN VANTARA ===== */
.th-dau .slide { aspect-ratio: 4 / 5; }
.th-dau h2 b { font-weight: 700; }
.th-van p { font-size: 16px; }
.th-giua { text-align: center; max-width: 760px; margin: 0 auto; color: rgba(255,255,255,.8); font-size: 16px; }
.muc:not(.muc-toi) .th-giua { color: #343a44; }
.luoi-cau-hoi { list-style: none; display: grid; gap: 1px; background: rgba(255,255,255,.12); margin: 8px 0 36px; counter-reset: ch; }
.luoi-cau-hoi li { background: var(--than); padding: 26px 4px 26px 0; font-size: clamp(20px, 3vw, 26px); font-weight: 300; line-height: 1.35; color: rgba(255,255,255,.9); }
.luoi-cau-hoi li::before { counter-increment: ch; content: "0" counter(ch); display: block; font-size: 13px; letter-spacing: .2em; color: var(--xanh-sang); font-weight: 600; margin-bottom: 8px; }
.luoi-cau-hoi b { font-weight: 600; color: var(--trang); }
.th-slogan { text-align: center; font-size: 14px; letter-spacing: .3em; color: var(--xanh-sang); font-weight: 600; margin-bottom: 22px; }
.th-slogan b { display: block; margin-top: 12px; font-size: clamp(26px, 5vw, 46px); letter-spacing: 0; font-weight: 300; color: var(--trang); line-height: 1.2; }
.luoi-ten { display: grid; gap: 16px; }
.o-ten { border: 1px solid var(--xam-2); padding: 32px 28px; }
.o-ten b { display: block; font-size: clamp(44px, 8vw, 72px); font-weight: 200; letter-spacing: .12em; color: var(--xanh); line-height: 1; margin-bottom: 14px; }
.o-ten p { font-size: 16px; color: #343a44; }
.th-ba .ck h3 { font-size: 20px; }
.th-hst .the-anh h3 { margin-top: 12px; }
.th-hst .the-anh:not(:has(.o-anh)) { border-top: 2px solid var(--xanh); padding-top: 6px; }
.th-hst .the-anh:not(:has(.o-anh)) h3 { font-size: 20px; }
.th-logo-anh { display: grid; place-items: center; padding: 24px; }
.th-logo-anh img { width: 100%; max-width: 420px; }
.th-logo .noi-dung p { color: rgba(255,255,255,.8); }
.th-logo h2 { color: var(--trang); }
.th-ket { max-width: 820px; text-align: center; }
.th-ket p { font-size: 17px; color: #343a44; }
.th-ket p + p { margin-top: 18px; }
.th-tho { font-size: clamp(20px, 3vw, 26px) !important; font-weight: 300; line-height: 1.5; color: var(--than) !important; border-top: 1px solid var(--xam-2); border-bottom: 1px solid var(--xam-2); padding: 24px 0; }

/* ===== DUONG DAN, NUT ===== */
.duong-dan { font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--chu-phu); padding: 22px 0 10px; display: flex; flex-wrap: wrap; gap: 6px; }
.duong-dan a:hover { color: var(--xanh); }
.duong-dan span::before { content: "/"; margin-right: 6px; color: var(--xam-2); }
.nut { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 22px; font-size: 14px; font-weight: 600; letter-spacing: .03em; border-radius: 2px; border: 1px solid transparent; cursor: pointer; transition: background .2s, color .2s, border-color .2s; }
.nut svg { width: 18px; height: 18px; }
.nut-trang { background: var(--trang); color: var(--than); }
.nut-trang:hover { background: var(--xanh-sang); color: var(--trang); }
.nut-toi { background: var(--than); color: var(--trang); }
.nut-toi:hover { background: var(--xanh); }
.nut-xanh { background: var(--xanh); color: var(--trang); }
.nut-xanh:hover { background: var(--than-2); }
.nut-vien { border-color: var(--xam-2); background: var(--trang); }
.nut-vien:hover { border-color: var(--xanh); color: var(--xanh); }
.giua { text-align: center; margin-top: 32px; }

/* ===== DANH MUC ===== */
.banner-nhom { position: relative; height: 160px; background: var(--than); color: var(--trang); overflow: hidden; }
.banner-nhom .o-anh { position: absolute; inset: 0; background: var(--than); }
.banner-nhom .o-anh .cho { border-width: 0; }
.banner-nhom h1 { position: absolute; left: 0; right: 0; bottom: 0; padding: 40px 0 18px; font-size: clamp(22px, 4vw, 34px); font-weight: 600; letter-spacing: .06em; text-transform: uppercase; background: linear-gradient(180deg, transparent, rgba(6,16,42,.8)); pointer-events: none; }
.bo-cuc { display: grid; gap: 24px; padding: 8px 0 72px; }
.loc { display: none; }
.loc.mo { display: block; position: fixed; inset: 0; z-index: 40; background: var(--trang); overflow-y: auto; padding: 16px 16px 96px; }
.loc-dau { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.loc-dau strong { font-size: 18px; }
.nhom-loc { border-top: 1px solid var(--xam-2); padding: 16px 0; }
.nhom-loc h3 { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--chu-phu); font-weight: 600; margin-bottom: 8px; }
.nhom-loc a { display: flex; justify-content: space-between; gap: 8px; padding: 6px 0; font-size: 14px; }
.nhom-loc a small { color: var(--chu-phu); }
.nhom-loc a:hover, .nhom-loc a.chon { color: var(--xanh); }
.nhom-loc a.chon { font-weight: 600; }
.nhom-loc .con { padding-left: 14px; border-left: 1px solid var(--xam-2); margin: 2px 0 6px 4px; }
.nhom-loc .con a { font-size: 13px; padding: 4px 0; }
.thanh-cong-cu { display: grid; gap: 10px; margin-bottom: 16px; }
.o-tim { position: relative; }
.o-tim input { width: 100%; height: 46px; padding: 0 14px 0 42px; border: 1px solid var(--xam-2); border-radius: 2px; background: var(--trang); }
.o-tim input:focus { outline: 2px solid var(--xanh); outline-offset: -1px; }
.o-tim svg { position: absolute; left: 14px; top: 13px; width: 20px; height: 20px; color: var(--chu-phu); }
.hang-cong-cu { display: flex; gap: 10px; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.hang-cong-cu select { height: 40px; border: 1px solid var(--xam-2); border-radius: 2px; padding: 0 10px; background: var(--trang); }
.so-ket-qua { font-size: 14px; color: var(--chu-phu); }
.nut-loc { display: inline-flex; gap: 6px; align-items: center; height: 40px; padding: 0 14px; border: 1px solid var(--xam-2); background: var(--trang); border-radius: 2px; cursor: pointer; font-size: 14px; }
.nut-loc svg { width: 16px; height: 16px; }
.dang-loc { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.dang-loc a { font-size: 13px; background: var(--xanh-nhat); color: var(--than-2); padding: 4px 10px; border-radius: 999px; }
.dang-loc a::after { content: " ×"; }

.luoi-sp { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; }
.the-sp { background: var(--trang); display: flex; flex-direction: column; position: relative; box-shadow: 0 0 0 1px var(--xam-2); }
.the-sp > a { display: flex; flex-direction: column; flex: 1; padding: 14px 12px 8px; }
.the-sp .anh { aspect-ratio: 1; display: grid; place-items: center; background: var(--trang); margin-bottom: 12px; overflow: hidden; position: relative; }
.the-sp .anh img { width: 100%; height: 100%; object-fit: contain; transition: transform .4s; }
.the-sp:hover .anh img { transform: scale(1.04); }
.the-sp .anh .cho { min-height: 0; border-width: 1px; }
.the-sp .anh .cho svg { width: 24px; height: 24px; }
.the-sp .nhan { position: absolute; top: 8px; left: 8px; display: flex; gap: 4px; z-index: 1; }
.the-sp .nhan span { font-size: 10px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--trang); background: var(--xanh); padding: 2px 7px; }
.the-sp .nhan .giam { background: var(--do); }
.the-sp .ma { font-size: 15px; font-weight: 700; color: var(--than); word-break: break-word; line-height: 1.3; }
.the-sp h3 { font-size: 13px; font-weight: 400; color: var(--chu-phu); line-height: 1.45; margin: 4px 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.the-sp .hang { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--xanh); font-weight: 600; }
.the-sp .gia { margin-top: auto; padding-top: 8px; font-weight: 700; font-size: 15px; color: var(--do); }
.the-sp .gia small { display: block; font-size: 11px; font-weight: 400; color: var(--chu-phu); }
.the-sp .gia s { font-weight: 400; color: var(--chu-phu); font-size: 12px; margin-left: 4px; }
.the-sp .gia.lien-he { color: var(--xanh); }
.the-sp .them { margin: 0 12px 14px; height: 36px; border: 1px solid var(--xam-2); background: var(--trang); border-radius: 2px; font-size: 13px; font-weight: 600; cursor: pointer; }
.the-sp .them:hover { border-color: var(--xanh); color: var(--xanh); }
.tieu-de-dong { grid-column: 1 / -1; background: var(--xam); display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding: 14px 16px; border-left: 3px solid var(--xanh); }
.tieu-de-dong b { font-size: 15px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--than); }
.tieu-de-dong span { font-size: 13px; color: var(--chu-phu); }
.trong { padding: 48px 16px; text-align: center; color: var(--chu-phu); background: var(--trang); grid-column: 1 / -1; }
.phan-trang { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-top: 28px; }
.phan-trang a, .phan-trang span { min-width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid var(--xam-2); font-size: 14px; padding: 0 10px; }
.phan-trang a:hover { border-color: var(--xanh); color: var(--xanh); }
.phan-trang .chon { background: var(--than); color: var(--trang); border-color: var(--than); }

/* ===== CHI TIET SAN PHAM ===== */
.chi-tiet { display: grid; gap: 28px; padding: 8px 0 40px; }
.bo-anh .anh-lon { aspect-ratio: 1; border: 1px solid var(--xam-2); display: grid; place-items: center; overflow: hidden; background: var(--trang); }
.bo-anh .anh-lon img { width: 100%; height: 100%; object-fit: contain; }
.bo-anh .anh-nho { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; margin-top: 10px; }
.bo-anh .anh-nho button { aspect-ratio: 1; border: 1px solid var(--xam-2); background: var(--trang); padding: 3px; cursor: pointer; }
.bo-anh .anh-nho button.chon { border-color: var(--xanh); }
.bo-anh .anh-nho img { width: 100%; height: 100%; object-fit: contain; }
.bo-anh .anh-nho .cho { min-height: 0; padding: 2px; border-width: 1px; }
.bo-anh .anh-nho .cho svg { width: 16px; height: 16px; }
.bo-anh .anh-nho .cho span, .bo-anh .anh-nho .cho i { display: none; }
.bo-anh .anh-nho .cho b { font-size: 9px; letter-spacing: .08em; }
.thong-tin .nhan-sp { display: flex; gap: 6px; margin-bottom: 10px; }
.thong-tin .nhan-sp span { font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--trang); background: var(--xanh); padding: 3px 9px; }
.thong-tin .ma-lon { font-size: clamp(26px, 4vw, 34px); font-weight: 700; color: var(--than); line-height: 1.15; word-break: break-word; }
.thong-tin h1 { font-size: 17px; font-weight: 400; color: #343a44; line-height: 1.45; margin: 8px 0 14px; }
.dong-tt { font-size: 14px; padding: 8px 0; border-bottom: 1px solid var(--xam-2); display: grid; grid-template-columns: 130px 1fr; gap: 10px; }
.dong-tt span:first-child { color: var(--chu-phu); }
.khoi-gia { padding: 18px 0 6px; }
.khoi-gia small { display: block; font-size: 13px; color: var(--chu-phu); }
.khoi-gia strong { font-size: 30px; font-weight: 700; color: var(--do); line-height: 1.3; }
.khoi-gia s { color: var(--chu-phu); margin-left: 8px; }
.khoi-gia p { font-size: 13px; color: var(--chu-phu); margin-top: 2px; }
.bang-phien-ban { width: 100%; border-collapse: collapse; margin: 10px 0 6px; font-size: 14px; }
.bang-phien-ban td { padding: 10px 12px; border: 1px solid var(--xam-2); }
.bang-phien-ban td:last-child { text-align: right; font-weight: 600; white-space: nowrap; }
.mua { display: grid; grid-template-columns: auto 1fr; gap: 10px; margin-top: 18px; }
.so-luong { display: inline-flex; border: 1px solid var(--xam-2); height: 46px; }
.so-luong button { width: 40px; border: 0; background: var(--trang); cursor: pointer; font-size: 18px; }
.so-luong input { width: 52px; border: 0; text-align: center; border-left: 1px solid var(--xam-2); border-right: 1px solid var(--xam-2); }
.mua .nut { height: 46px; }
.mua .hai-nut { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.cong-nghe { margin-top: 20px; }
.cong-nghe h3 { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--chu-phu); font-weight: 600; margin-bottom: 8px; }
.cong-nghe ul { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.cong-nghe li { font-size: 13px; font-weight: 600; color: var(--than-2); border: 1px solid var(--xam-2); padding: 6px 12px; }
.diem-manh { list-style: none; margin-top: 20px; background: var(--xam); padding: 6px 16px; }
.diem-manh li { display: flex; gap: 12px; padding: 10px 0; font-size: 14px; }
.diem-manh li + li { border-top: 1px solid var(--xam-2); }
.diem-manh svg { width: 20px; height: 20px; color: var(--xanh); flex: none; margin-top: 2px; }
.muc-luc { display: flex; gap: 4px; overflow-x: auto; border-bottom: 1px solid var(--xam-2); position: sticky; top: 62px; background: var(--trang); z-index: 5; scrollbar-width: none; }
.muc-luc::-webkit-scrollbar { display: none; }
.muc-luc a { white-space: nowrap; padding: 14px 14px; font-size: 13px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--chu-phu); }
.muc-luc a:hover { color: var(--xanh); }
.muc-chi-tiet { padding: 36px 0; border-bottom: 1px solid var(--xam-2); }
.muc-chi-tiet h2 { font-size: 19px; font-weight: 600; margin-bottom: 16px; }
.muc-chi-tiet .van-ban { max-width: 860px; color: #343a44; white-space: pre-line; }
.muc-chi-tiet .o-cho-chu { max-width: 860px; }
.muc-chi-tiet .o-cho-chu .cho { min-height: 110px; }
.video-sp { max-width: 860px; margin-top: 18px; }
.video-sp .o-anh { aspect-ratio: 16 / 9; }
.bang-thong-so { width: 100%; max-width: 860px; border-collapse: collapse; font-size: 14px; }
.bang-thong-so th, .bang-thong-so td { text-align: left; padding: 11px 14px; border: 1px solid var(--xam-2); vertical-align: top; }
.bang-thong-so th { width: 36%; background: var(--xam); font-weight: 500; color: var(--chu-phu); }
.luoi-ban-ve { display: grid; gap: 12px; max-width: 860px; }
.luoi-ban-ve .o-anh { aspect-ratio: 4 / 3; background: var(--trang); border: 1px solid var(--xam-2); }
.luoi-ban-ve .o-anh img { object-fit: contain; }
.tai-lieu { display: flex; flex-wrap: wrap; gap: 10px; }
.tai-lieu a { display: inline-flex; gap: 10px; align-items: center; border: 1px solid var(--xam-2); padding: 12px 16px; font-size: 14px; font-weight: 500; }
.tai-lieu a:hover { border-color: var(--xanh); color: var(--xanh); }
.tai-lieu svg { width: 20px; height: 20px; color: var(--do); }
.noi-mua { display: grid; gap: 12px; max-width: 860px; }
.noi-mua div { background: var(--xam); padding: 16px 18px; font-size: 14px; }
.noi-mua b { display: block; font-size: 15px; margin-bottom: 4px; }

/* ===== GIO BAO GIA ===== */
.dau-trang { padding: 8px 0 24px; }
.dau-trang h1 { font-size: clamp(26px, 4vw, 36px); font-weight: 300; line-height: 1.25; }
.dau-trang h1 b { font-weight: 700; }
.dau-trang p { color: var(--chu-phu); margin-top: 8px; max-width: 760px; }
.gio { display: grid; gap: 24px; padding-bottom: 72px; }
.dong-gio { display: grid; grid-template-columns: 72px 1fr; gap: 12px 14px; padding: 16px 0; border-bottom: 1px solid var(--xam-2); }
.dong-gio .anh { width: 72px; height: 72px; border: 1px solid var(--xam-2); display: grid; place-items: center; overflow: hidden; }
.dong-gio .anh img { width: 100%; height: 100%; object-fit: contain; }
.dong-gio .anh .cho { min-height: 0; padding: 2px; border-width: 1px; }
.dong-gio .anh .cho span, .dong-gio .anh .cho i, .dong-gio .anh .cho b { display: none; }
.dong-gio h3 { font-size: 14px; font-weight: 500; line-height: 1.4; }
.dong-gio .ma { font-size: 12px; color: var(--chu-phu); }
.dong-gio .gia { font-size: 14px; font-weight: 600; margin-top: 4px; }
.dong-gio .dieu-khien { grid-column: 2; display: flex; gap: 12px; align-items: center; justify-content: space-between; }
.dong-gio .so-luong { height: 38px; }
.dong-gio .xoa { border: 0; background: none; color: var(--chu-phu); font-size: 13px; cursor: pointer; text-decoration: underline; }
.tong-gio { background: var(--xam); padding: 22px; align-self: start; }
.tong-gio .tong { display: flex; justify-content: space-between; align-items: baseline; font-size: 15px; margin-bottom: 6px; }
.tong-gio .tong strong { font-size: 22px; color: var(--than); }
.tong-gio p { font-size: 13px; color: var(--chu-phu); }
.tong-gio label { display: block; font-size: 13px; font-weight: 600; margin: 18px 0 6px; }
.tong-gio textarea { width: 100%; min-height: 90px; padding: 10px 12px; border: 1px solid var(--xam-2); border-radius: 2px; resize: vertical; background: var(--trang); }
.tong-gio .nut { width: 100%; margin-top: 10px; }
.tin-nhan { margin-top: 16px; background: var(--trang); border: 1px dashed var(--xanh); padding: 12px; font-size: 13px; white-space: pre-wrap; word-break: break-word; }

/* ===== CHINH SACH ===== */
.van-ban-dai { max-width: 820px; padding-bottom: 72px; }
.van-ban-dai h2 { font-size: 19px; font-weight: 600; margin: 28px 0 8px; }
.van-ban-dai p, .van-ban-dai li { color: #343a44; }
.van-ban-dai ul, .van-ban-dai ol { padding-left: 22px; margin: 8px 0; }
.van-ban-dai li { margin: 4px 0; }
.van-ban-dai a { color: var(--xanh); text-decoration: underline; }

/* ===== CHAN TRANG ===== */
.chan { background: var(--than); color: rgba(255,255,255,.7); padding: 48px 0 112px; font-size: 14px; }
.chan-luoi { display: grid; gap: 28px; }
.chan img { height: 52px; width: auto; margin-bottom: 12px; }
.chan h4 { font-size: 12px; letter-spacing: .18em; text-transform: uppercase; color: var(--trang); font-weight: 600; margin-bottom: 12px; }
.chan ul { list-style: none; }
.chan li { margin-bottom: 6px; }
.chan a:hover { color: var(--trang); }
.chan-duoi { border-top: 1px solid rgba(255,255,255,.1); margin-top: 36px; padding-top: 18px; font-size: 12px; color: rgba(255,255,255,.5); }
.chan-duoi p + p { margin-top: 4px; }

.thanh-duoi { position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; padding: 10px 12px calc(10px + env(safe-area-inset-bottom)); background: rgba(255,255,255,.97); border-top: 1px solid var(--xam-2); }
.thanh-duoi .nut { padding: 11px 6px; font-size: 13px; }

.bao-nhanh { position: fixed; left: 50%; bottom: 84px; transform: translate(-50%, 20px); opacity: 0; z-index: 50; background: var(--than); color: var(--trang); padding: 12px 18px; font-size: 14px; border-radius: 2px; transition: opacity .2s, transform .2s; pointer-events: none; display: flex; gap: 12px; align-items: center; }
.bao-nhanh.hien { opacity: 1; transform: translate(-50%, 0); pointer-events: auto; }
.bao-nhanh a { color: var(--xanh-sang); font-weight: 600; }

@media (min-width: 760px) {
  .khung { padding: 0 32px; }
  .thanh-tren .phai { display: flex; }
  .slide { aspect-ratio: 12 / 5; }
  .truot-nut { display: grid; }
  section.muc { padding: 96px 0; }
  .luoi-noi-bat { grid-template-columns: repeat(4, 1fr); gap: 12px; }
  .luoi-nhom { grid-template-columns: repeat(4, 1fr); gap: 16px; }
  .luoi-ba { grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .luoi-vantara { grid-template-columns: repeat(3, 1fr); }
  .khoi-video { grid-template-columns: 2fr 1fr; }
  .khoi-video .video-nho { grid-template-columns: 1fr; }
  .luoi-ck { grid-template-columns: repeat(4, 1fr); background: none; gap: 32px; }
  .ck { border-top: 1px solid rgba(255,255,255,.18); padding: 26px 0 0; }
  .hai-cot { grid-template-columns: 1fr 1fr; gap: 72px; }
  .hai-cot.dao > .o-anh { order: -1; }
  .luoi-showroom { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .quy-trinh { grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .luoi-du-an { grid-template-columns: repeat(4, 1fr); gap: 12px; }
  .luoi-y-kien { grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .th-dau .slide { aspect-ratio: 12 / 5; }
  .luoi-cau-hoi { grid-template-columns: repeat(4, 1fr); background: none; gap: 32px; }
  .luoi-cau-hoi li { border-top: 1px solid rgba(255,255,255,.18); padding: 26px 0 0; }
  .th-bon { grid-template-columns: repeat(4, 1fr); }
  .luoi-ten { grid-template-columns: 1fr 1fr; gap: 24px; }
  .th-ba { grid-template-columns: repeat(3, 1fr); }
  .banner-nhom { height: 260px; }
  .luoi-ban-ve { grid-template-columns: 1fr 1fr; }
  .noi-mua { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 980px) {
  .menu-tren { height: 72px; }
  .menu-tren .nav-chinh { display: flex; overflow: visible; }
  .menu-duoi { display: none; }
  .menu .logo img { height: 44px; }
  .muc-luc { top: 72px; }
  .bo-cuc { grid-template-columns: 250px 1fr; gap: 36px; }
  .loc, .loc.mo { display: block; position: static; padding: 0; overflow: visible; }
  .loc-dau, .nut-loc { display: none; }
  .nhom-loc:first-of-type { border-top: 0; padding-top: 0; }
  .thanh-cong-cu { grid-template-columns: 1fr auto; align-items: center; }
  .luoi-sp { grid-template-columns: repeat(3, 1fr); }
  .the-sp > a { padding: 20px 18px 10px; }
  .the-sp .them { margin: 0 18px 18px; }
  .chi-tiet { grid-template-columns: 1.1fr 1fr; gap: 56px; padding-top: 16px; }
  .gio { grid-template-columns: 1fr 360px; gap: 48px; }
  .dong-gio { grid-template-columns: 88px 1fr auto; }
  .dong-gio .anh { width: 88px; height: 88px; }
  .dong-gio .dieu-khien { grid-column: 3; grid-row: 1; flex-direction: column; align-items: flex-end; }
  .chan-luoi { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
  .chan { padding-bottom: 40px; }
  .thanh-duoi { display: none; }
  .bao-nhanh { bottom: 32px; }
}
@media (min-width: 1180px) {
  .luoi-sp { grid-template-columns: repeat(4, 1fr); }
}

/* ---------- Hàng có sẵn tại showroom ---------- */
.the-sp .nhan .co-san { background: #157a4a; }
.hop-co-san { display: flex; gap: 12px; align-items: flex-start; margin: 16px 0 4px; padding: 12px 14px; background: #eef8f2; border-left: 3px solid #157a4a; }
.hop-co-san svg { width: 20px; height: 20px; flex: none; color: #157a4a; margin-top: 2px; }
.hop-co-san b { display: block; font-size: 14px; color: #0f5c37; letter-spacing: .02em; }
.hop-co-san span { display: block; font-size: 13px; color: var(--chu-phu); }
.hero-co-san { background: linear-gradient(120deg, var(--than) 0%, var(--than-2) 100%); color: var(--trang); overflow: hidden; }
.hero-co-san .khung { display: grid; gap: 28px; padding-top: 44px; padding-bottom: 44px; align-items: center; }
.hero-co-san small { font-size: 12px; letter-spacing: .28em; text-transform: uppercase; color: var(--xanh-sang); font-weight: 600; }
.hero-co-san h1 { font-size: clamp(28px, 5vw, 46px); font-weight: 300; letter-spacing: .02em; line-height: 1.15; margin: 10px 0 14px; }
.hero-co-san h1 b { display: block; font-weight: 600; }
.hero-co-san p { color: rgba(255,255,255,.75); max-width: 560px; }
.hero-co-san .hai-nut { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.hero-co-san .nut svg { width: 18px; height: 18px; }
.nut-vien-trang { border: 1px solid rgba(255,255,255,.4); color: var(--trang); background: transparent; }
.nut-vien-trang:hover { border-color: var(--trang); background: rgba(255,255,255,.08); }
.so-lieu { list-style: none; display: flex; gap: 32px; margin-top: 28px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.14); }
.so-lieu b { display: block; font-size: 34px; font-weight: 200; color: var(--xanh-sang); line-height: 1; }
.so-lieu span { font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.6); }
.anh-hero { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.anh-hero img { background: var(--trang); aspect-ratio: 3 / 4; object-fit: contain; padding: 14px; width: 100%; }
.anh-hero img:nth-child(2) { transform: translateY(-16px); }
.chip-co-san { display: flex; gap: 8px; overflow-x: auto; padding: 4px 0 18px; position: sticky; top: 64px; background: var(--trang); z-index: 5; scrollbar-width: none; }
.chip-co-san::-webkit-scrollbar { display: none; }
.chip-co-san a { flex: none; font-size: 13px; padding: 7px 14px; border: 1px solid var(--xam-2); border-radius: 999px; white-space: nowrap; }
.chip-co-san a:hover { border-color: var(--xanh); color: var(--xanh); }
.chip-co-san small { color: var(--chu-phu); margin-left: 2px; }
.nhom-co-san { padding: 22px 0 30px; scroll-margin-top: 130px; }
.dau-nhom { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; border-bottom: 2px solid var(--than); padding-bottom: 10px; margin-bottom: 18px; }
.dau-nhom h2 { font-size: clamp(19px, 3vw, 24px); font-weight: 600; letter-spacing: .06em; text-transform: uppercase; }
.dau-nhom span { font-size: 13px; color: var(--chu-phu); white-space: nowrap; }
.cuoi-co-san { display: grid; gap: 18px; align-items: center; margin: 24px 0 12px; padding: 28px 24px; background: var(--xanh-nhat); }
.cuoi-co-san h2 { font-size: 22px; font-weight: 600; margin-bottom: 6px; }
.cuoi-co-san p { color: var(--chu-phu); max-width: 640px; }
.cuoi-co-san .hai-nut { display: flex; flex-wrap: wrap; gap: 10px; }
.ghi-chu-gia { font-size: 12px; color: var(--chu-phu); padding: 6px 0 40px; }
@media (min-width: 760px) { .luoi-4 { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 980px) {
  .hero-co-san .khung { grid-template-columns: 1.05fr 1fr; padding-top: 64px; padding-bottom: 64px; }
  .cuoi-co-san { grid-template-columns: 1fr auto; padding: 32px 36px; }
}
.nut-gio { white-space: nowrap; }
/* Bản vẽ kỹ thuật: hiện đủ khổ, mỗi bản một hàng, bấm mở ảnh lớn */
.luoi-ban-ve { max-width: 1100px; grid-template-columns: 1fr !important; }
.luoi-ban-ve .o-anh { aspect-ratio: auto; padding: 10px; cursor: zoom-in; }
.luoi-ban-ve .o-anh img { height: auto; }
@media (max-width: 979px) { .chip-co-san { position: static; } .nhom-co-san { scroll-margin-top: 120px; } }