/* Viwood Asia — giao diện 11/2026. Xanh của logo + một màu nhấn vàng gỗ, góc vuông, ảnh thật; không chuyển màu. */
:root {
  --xanh: #046938;
  --xanh-dam: #0a3d24;
  --xanh-nhat: #eef5f0;
  --nhan: #e2a13a;       /* vàng gỗ: nút hỏi giá, gạch chân tiêu đề */
  --nhan-dam: #cf8c22;
  --chu: #26302b;
  --chu-phu: #5d6661;
  --vien: #e2e6e3;
  --nen: #f5f6f5;
  --khung: 1180px;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: #fff; color: var(--chu);
  font: 15.5px/1.7 'Be Vietnam Pro', 'Segoe UI', Arial, sans-serif; /* Be Vietnam Pro: vẽ cho dấu tiếng Việt, dùng chung tiêu đề và nội dung */
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--xanh); text-decoration: none; }
a:hover { color: var(--xanh-dam); }
h1, h2, h3 { text-wrap: balance; letter-spacing: -.01em; font-family: 'Be Vietnam Pro', 'Segoe UI', Arial, sans-serif; line-height: 1.3; margin: 0 0 .6em; color: var(--chu); }
h1 { font-size: 30px; font-weight: 700; }
h2 { font-size: 22px; font-weight: 700; }
h3 { font-size: 17px; font-weight: 600; }
p { margin: 0 0 1em; }
ul { margin: 0 0 1em; padding-left: 1.2em; }
table { border-collapse: collapse; width: 100%; }
.vw-khung { width: 90%; max-width: var(--khung); margin: 0 auto; }
.vw-hep { max-width: 820px; }
.vw-icon { display: inline-block; vertical-align: -2px; margin-right: 6px; }

/* --- Nút --- */
.vw-nut {
  display: inline-block; padding: 11px 22px; border: 1px solid var(--xanh); border-radius: 3px; background: var(--xanh);
  color: #fff !important; font: 600 14px/1.3 'Be Vietnam Pro', 'Segoe UI', Arial, sans-serif; text-transform: uppercase; cursor: pointer;
}
.vw-nut:hover { background: var(--xanh-dam); border-color: var(--xanh-dam); }
.vw-nut-vien { background: transparent; border-color: rgba(255,255,255,.75); }
.vw-nut-vien:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.vw-nut-nhan { background: var(--nhan); border-color: var(--nhan); color: var(--xanh-dam) !important; }
.vw-nut-nhan:hover { background: var(--nhan-dam); border-color: var(--nhan-dam); }
.vw-nut-vien-xanh { background: #fff; color: var(--xanh) !important; }
.vw-nut-vien-xanh:hover { background: var(--xanh-nhat); }

/* --- Thanh trên cùng --- */
.vw-thanh-tren { background: var(--xanh-dam); color: #fff; font-size: 14px; }
.vw-thanh-tren .vw-khung { display: flex; justify-content: space-between; align-items: center; min-height: 36px; gap: 12px; }
.vw-thanh-tren a { color: #fff; margin-right: 22px; white-space: nowrap; }
.vw-thanh-tren a:hover { color: #b9e3c8; }
.vw-ngon-ngu { list-style: none; margin: 0; padding: 0; display: flex; }
.vw-ngon-ngu li a { margin: 0 0 0 2px; padding: 2px 8px; text-transform: uppercase; font-weight: 600; font-size: 13px; }
.vw-ngon-ngu li a img { display: inline-block; vertical-align: -1px; margin-right: 6px; }
.vw-ngon-ngu li.current-lang a { background: var(--xanh); }

/* Ô tìm kiếm */
.vw-tim { display: flex; margin-left: auto; margin-right: 14px; }
.vw-tim input { width: 150px; height: 26px; padding: 0 8px; border: 0; border-radius: 3px 0 0 3px; background: rgba(255,255,255,.14); color: #fff; font: inherit; font-size: 13px; }
.vw-tim input::placeholder { color: rgba(255,255,255,.7); }
.vw-tim input:focus { outline: 0; background: #fff; color: var(--chu); }
.vw-tim button { height: 26px; padding: 0 7px; border: 0; border-radius: 0 3px 3px 0; background: var(--xanh); color: #fff; cursor: pointer; }
.vw-tim .vw-icon { margin: 0; vertical-align: -3px; }
.vw-tim-menu { display: none; }

/* --- Đầu trang + menu --- */
.vw-dau { background: #fff; border-bottom: 1px solid var(--vien); position: sticky; top: 0; z-index: 50; }
.vw-dau .vw-khung { display: flex; align-items: center; justify-content: space-between; min-height: 84px; gap: 24px; }
.vw-logo img { width: 168px; height: auto; }
.vw-menu { display: flex; align-items: center; gap: 8px; }
.vw-menu-ds { list-style: none; margin: 0; padding: 0; display: flex; }
.vw-menu-ds > li { position: relative; }
.vw-menu-ds > li > a {
  display: block; padding: 30px 16px; color: var(--chu); font: 600 14px/24px 'Be Vietnam Pro', 'Segoe UI', Arial, sans-serif; text-transform: uppercase;
}
.vw-menu-ds > li > a:hover, .vw-menu-ds > li.current-menu-item > a, .vw-menu-ds > li.current-menu-ancestor > a, .vw-menu-ds > li.current-page-ancestor > a { color: var(--xanh); }
.vw-menu-ds > li.menu-item-has-children > a::after { content: ""; display: inline-block; margin-left: 7px; border: 4px solid transparent; border-top-color: currentColor; vertical-align: 1px; }
.vw-menu-ds .sub-menu {
  list-style: none; margin: 0; padding: 6px 0; position: absolute; left: 0; top: 100%; min-width: 240px; background: #fff;
  border: 1px solid var(--vien); border-top: 3px solid var(--xanh); visibility: hidden; opacity: 0; transition: opacity .15s;
}
.vw-menu-ds > li:hover > .sub-menu, .vw-menu-ds > li:focus-within > .sub-menu { visibility: visible; opacity: 1; }
.vw-menu-ds .sub-menu a { display: block; padding: 9px 18px; color: var(--chu); font-size: 15px; }
.vw-menu-ds .sub-menu a:hover, .vw-menu-ds .sub-menu .current-menu-item > a { background: var(--xanh-nhat); color: var(--xanh); }
.vw-nut-menu { margin-left: 10px; padding: 10px 18px; }
/* Menu Sản phẩm có ảnh: 4 ô ngang */
.vw-menu-ds .sub-menu:has(img) { display: grid; grid-template-columns: repeat(4, 170px); gap: 12px; padding: 14px; left: auto; right: -160px; }
.vw-menu-ds .sub-menu:has(img) a { padding: 0; font-weight: 600; font-size: 14px; text-align: center; }
.vw-menu-ds .sub-menu:has(img) a:hover { background: none; }
.vw-menu-ds .sub-menu img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; margin-bottom: 8px; }
.vw-mo-menu { display: none; }

/* --- Đường dẫn --- */
.vw-dd { background: var(--nen); border-bottom: 1px solid var(--vien); font-size: 14px; color: var(--chu-phu); }
.vw-dd .vw-khung { padding: 11px 0; }
.vw-dd i { font-style: normal; margin: 0 6px; color: #9aa39e; }
.vw-dd a { color: var(--chu-phu); }
.vw-dd a:hover { color: var(--xanh); }

/* --- Khung mục --- */
.vw-muc { padding: 64px 0; }
.vw-nen { background: var(--nen); }
.vw-tieu-de { text-align: center; margin-bottom: 32px; }
.vw-tieu-de h2, .vw-tieu-de h1 { font-size: 26px; text-transform: uppercase; letter-spacing: .4px; padding-bottom: 14px; position: relative; }
.vw-tieu-de h2::after, .vw-tieu-de h1::after { content: ""; position: absolute; left: 50%; bottom: 0; width: 56px; height: 3px; margin-left: -28px; background: var(--nhan); }
.vw-tieu-de p { color: var(--chu-phu); max-width: 680px; margin: 10px auto 0; }

/* --- Banner trang chủ: khối xanh đậm bên trái, ảnh cắt chéo viền xanh bên phải --- */
.vw-hero { display: flex; background: var(--xanh-dam); min-height: 540px; overflow: hidden; }
.vw-hero-chu {
  width: 42%; padding: 56px 40px 96px max(5vw, calc((100vw - var(--khung)) / 2)); color: #fff; display: flex; flex-direction: column; justify-content: center;
  position: relative; z-index: 2;
}
.vw-hero h1 { color: #fff; font-size: 36px; line-height: 1.25; }
.vw-hero-phu { font-size: 17px; opacity: .85; }
.vw-hero-ds { list-style: none; padding: 0; margin: 0 0 26px; }
.vw-hero-ds li { border-top: 1px solid rgba(255,255,255,.15); }
.vw-hero-ds li:last-child { border-bottom: 1px solid rgba(255,255,255,.15); }
.vw-hero-ds a { display: block; padding: 9px 0; color: #fff; font: 600 15px/1.4 'Be Vietnam Pro', 'Segoe UI', Arial, sans-serif; text-transform: uppercase; }
.vw-hero-ds a::before { content: "›"; color: var(--nhan); margin-right: 10px; }
.vw-hero-ds a:hover { color: #a8e2bd; }
.vw-hero-nut { margin: 0; }
.vw-hero-nut .vw-nut { margin: 0 10px 10px 0; }
.vw-hero-anh { width: 58%; position: relative; }
.vw-hero-khung { position: absolute; inset: 0; background: var(--xanh); clip-path: polygon(12% 0, 100% 0, 100% 100%, 0 100%); }
.vw-hero-khung img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; }
/* Ghép 3 ảnh thành 3 dải chéo; khe hở giữa các dải để lộ nền xanh làm viền */
.vw-hero-ghep img:nth-child(1) { left: 0; width: 42%; clip-path: polygon(28.6% 0, 100% 0, 71.4% 100%, 0 100%); }
.vw-hero-ghep img:nth-child(2) { left: 30.8%; width: 41%; clip-path: polygon(29.3% 0, 100% 0, 70.7% 100%, 0 100%); }
.vw-hero-ghep img:nth-child(3) { left: 60.6%; width: 39.4%; clip-path: polygon(30.5% 0, 100% 0, 100% 100%, 0 100%); }
.vw-hero-anh::before { content: ""; position: absolute; top: 0; bottom: 0; left: -1px; width: 13.5%; z-index: 1; background: var(--xanh); clip-path: polygon(88% 0, 100% 0, 12% 100%, 0 100%); }

/* --- Ô ảnh có thanh chú thích xanh --- */
.vw-o { position: relative; display: block; overflow: hidden; background: #dfe3e0; }
.vw-o img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.vw-o:hover img { transform: scale(1.04); }
.vw-o span {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 11px 16px; background: rgba(4,105,56,.92); color: #fff;
  font: 600 15px/1.3 'Be Vietnam Pro', 'Segoe UI', Arial, sans-serif; text-transform: uppercase; letter-spacing: .3px;
}
.vw-o span::after { content: "→"; float: right; font-size: 18px; line-height: 1; color: var(--nhan); transition: transform .2s; }
.vw-o:hover span::after { transform: translateX(4px); }
/* Bốn nhóm: 2 ô nhỏ + 1 ô rộng bên trái, 1 ô cao bên phải */
.vw-nhom { display: grid; grid-template-columns: 1fr 1fr 1fr; grid-template-rows: auto auto; gap: 12px; }
.vw-nhom-1, .vw-nhom-2 { aspect-ratio: 4 / 3; }
.vw-nhom-3 { grid-column: 1 / 3; aspect-ratio: 8 / 3; }
.vw-nhom-4 { grid-column: 3; grid-row: 1 / 3; }

/* --- Thẻ sản phẩm --- */
.vw-luoi { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.vw-the { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--vien); color: var(--chu); }
.vw-the { transition: box-shadow .2s, border-color .2s; }
.vw-the:hover { border-color: var(--xanh); color: var(--chu); box-shadow: 0 8px 22px rgba(10, 61, 36, .10); }
.vw-the-anh { aspect-ratio: 4 / 3; overflow: hidden; background: #dfe3e0; }
.vw-the-anh img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.vw-the:hover .vw-the-anh img { transform: scale(1.04); }
.vw-the-chu { padding: 14px 16px 16px; border-top: 3px solid var(--xanh-nhat); }
.vw-the:hover .vw-the-chu { border-top-color: var(--nhan); }
.vw-the-chu strong { display: block; font: 600 15px/1.35 'Be Vietnam Pro', 'Segoe UI', Arial, sans-serif; }
.vw-the:hover strong { color: var(--xanh); }
.vw-the-chu small { display: block; margin-top: 6px; color: var(--chu-phu); font-size: 14px; line-height: 1.5; }
.vw-luoi-con, .vw-luoi-nhom { margin: 8px 0 48px; }
.vw-luoi-con { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }

/* --- Về công ty + số liệu --- */
.vw-ve-hang { display: flex; gap: 64px; align-items: center; }
.vw-ve-chu, .vw-ve-anh { flex: 1; }
.vw-ve-chu h2 { font-size: 26px; text-transform: uppercase; padding-bottom: 14px; position: relative; }
.vw-ve-chu h2::after { content: ""; position: absolute; left: 0; bottom: 0; width: 56px; height: 3px; background: var(--nhan); }
.vw-ve-chu p { color: var(--chu-phu); font-size: 16px; }
.vw-ve-chu ul { list-style: none; padding: 0; margin-bottom: 22px; }
.vw-ve-chu li { padding: 6px 0 6px 22px; position: relative; border-bottom: 1px dashed var(--vien); }
.vw-ve-chu li::before { content: ""; position: absolute; left: 2px; top: 15px; width: 8px; height: 8px; background: var(--xanh); }
.vw-ve-anh { position: relative; }
.vw-ve-anh::before { content: ""; position: absolute; right: -16px; bottom: -16px; width: 60%; height: 60%; background: var(--xanh); }
.vw-ve-anh img { position: relative; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.vw-so-dai { position: relative; z-index: 3; margin-top: -44px; }
.vw-so { display: grid; grid-template-columns: repeat(4, 1fr); background: #fff; border: 1px solid var(--vien); border-bottom: 3px solid var(--nhan); box-shadow: 0 10px 30px rgba(10, 61, 36, .10); }
.vw-so div { padding: 24px 16px 20px; text-align: center; border-right: 1px solid var(--vien); }
.vw-so div:last-child { border-right: 0; }
.vw-so strong { display: block; font: 700 30px/1.2 'Be Vietnam Pro', 'Segoe UI', Arial, sans-serif; color: var(--xanh); }
.vw-so span { color: var(--chu-phu); font-size: 15px; }

/* --- Dải hỏi giá --- */
.vw-cta { background: var(--xanh); color: #fff; padding: 44px 0; }
.vw-cta .vw-khung { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.vw-cta h2 { color: #fff; font-size: 24px; margin-bottom: 4px; }
.vw-cta p { margin: 0; opacity: .92; }
.vw-cta .vw-cta-nut { opacity: 1; white-space: nowrap; }
.vw-cta .vw-nut { background: var(--nhan); border-color: var(--nhan); color: var(--xanh-dam) !important; }
.vw-cta .vw-nut:hover { background: var(--nhan-dam); border-color: var(--nhan-dam); }
.vw-cta .vw-nut-vien { background: transparent; border-color: rgba(255,255,255,.75); color: #fff !important; margin-left: 8px; }
.vw-cta .vw-nut-vien:hover { background: rgba(255,255,255,.12); }

/* --- Trang nội dung --- */
.vw-trang { padding: 40px 0 56px; }
.vw-mo-dau { margin-bottom: 40px; }
.vw-mo-dau.co-anh { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: start; }
.vw-mo-dau-chu > :last-child { margin-bottom: 0; }
.vw-nho { font-size: 17px; text-transform: uppercase; margin-top: 1.4em; }
.vw-bang { margin-bottom: 1.4em; font-size: 15px; }
.vw-bang th, .vw-bang td { text-align: left; vertical-align: top; padding: 9px 12px; border: 1px solid var(--vien); }
.vw-bang th { width: 36%; background: var(--nen); font-weight: 600; }
.vw-khoi { padding-top: 32px; margin-top: 32px; border-top: 1px solid var(--vien); }
.vw-khoi h2 { position: relative; padding-left: 14px; }
.vw-khoi h2::before { content: ""; position: absolute; left: 0; top: .2em; bottom: .2em; width: 4px; background: var(--xanh); }
.vw-khoi-chu { max-width: 860px; }
.vw-khoi-ngang { display: grid; grid-template-columns: 340px 1fr; column-gap: 32px; align-items: start; }
.vw-khoi-ngang > h2 { grid-column: 1 / -1; }
.vw-khoi-ngang > .vw-bo-anh { grid-column: 1; grid-row: 2; grid-template-columns: 1fr; margin: 0; }
.vw-khoi-ngang > .vw-khoi-chu { grid-column: 2; grid-row: 2; }
.vw-khoi-ngang > .vw-khoi-them { grid-column: 2; }
.vw-khoi-chu img { margin: 1em 0; }

/* Bộ ảnh: lưới đều, ảnh chính đầu trang lớn ở ô đầu */
.vw-bo-anh { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin: 16px 0 0; }
.vw-bo-anh figure { margin: 0; }
.vw-bo-anh a { display: block; aspect-ratio: 4 / 3; overflow: hidden; background: #dfe3e0; }
.vw-bo-anh img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.vw-bo-anh a:hover img { transform: scale(1.04); }
.vw-bo-anh figcaption { padding: 10px 2px 0; font-size: 15px; color: var(--chu); }
.vw-bo-anh figcaption b { display: block; font-weight: 600; }
.vw-bo-anh figcaption small { display: block; margin-top: 2px; font-size: 14px; color: var(--chu-phu); }
.vw-bo-anh-chinh { grid-template-columns: repeat(5, 1fr); gap: 8px; margin: 0; }
.vw-bo-anh-chinh figure:first-child { grid-column: 1 / -1; }
.vw-bo-anh-chinh figure:first-child a { aspect-ratio: 3 / 2; }
/* Chỉ một ảnh chính (ảnh giới thiệu, bản đồ, ảnh có chữ in sẵn): không cắt */
.vw-bo-anh-chinh figure:only-child a { aspect-ratio: auto; background: none; }
.vw-bo-anh-chinh figure:only-child img { height: auto; object-fit: contain; }
/* Ảnh chính có chú thích: các mẫu xếp đều nhau */
.vw-bo-anh-chinh.co-chu-thich { grid-template-columns: 1fr 1fr; gap: 14px; }
.vw-bo-anh-chinh.co-chu-thich figure:first-child { grid-column: auto; }
.vw-bo-anh-chinh.co-chu-thich figure a, .vw-bo-anh-chinh.co-chu-thich figure:first-child a { aspect-ratio: 4 / 3; background: #dfe3e0; }
.vw-bo-anh-chinh.co-chu-thich img { height: 100%; object-fit: cover; }
/* Ảnh lớn hết chiều ngang, không cắt (sơ đồ tổ chức…) */
.vw-bo-anh.vw-bo-anh-rong { grid-template-columns: 1fr; }
.vw-bo-anh-rong a { aspect-ratio: auto; background: none; }
.vw-bo-anh-rong img { height: auto; object-fit: contain; }
.vw-bo-anh-rong a:hover img { transform: none; }

/* Xem ảnh lớn */
.vw-xem-anh { position: fixed; inset: 0; z-index: 999; background: rgba(10,15,12,.92); display: none; align-items: center; justify-content: center; }
.vw-xem-anh.mo { display: flex; }
.vw-xem-anh img { max-width: 92vw; max-height: 86vh; width: auto; height: auto; }
.vw-xem-anh button { position: absolute; border: 0; background: none; color: #fff; font-size: 42px; line-height: 1; cursor: pointer; padding: 12px 18px; }
.vw-xa-dong { top: 8px; right: 8px; }
.vw-xa-truoc { left: 4px; top: 50%; transform: translateY(-50%); }
.vw-xa-sau { right: 4px; top: 50%; transform: translateY(-50%); }
.vw-xem-anh.mot-anh .vw-xa-truoc, .vw-xem-anh.mot-anh .vw-xa-sau { display: none; }

/* --- Liên hệ + phiếu hỏi giá --- */
.vw-lien-he { display: grid; grid-template-columns: 1fr 1.15fr; gap: 48px; align-items: start; }
.vw-lien-he-chu td:first-child { white-space: nowrap; background: var(--nen); font-weight: 600; }
.vw-lien-he-chu h2, .vw-lien-he-chu h3 { margin-top: 1.2em; }
.vw-lien-he-chu h2:first-child, .vw-lien-he-chu h3:first-child { margin-top: 0; }
.vw-phieu { background: var(--nen); border: 1px solid var(--vien); border-top: 3px solid var(--xanh); padding: 26px 28px 10px; scroll-margin-top: 100px; }
.vw-phieu h2 { margin-bottom: 4px; }
.vw-phieu > p { color: var(--chu-phu); }
.vw-phieu-luoi { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.vw-phieu-luoi p { margin: 0 0 14px; }
.vw-phieu .vw-rong { grid-column: 1 / -1; }
.vw-phieu label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 4px; }
.vw-phieu input, .vw-phieu select, .vw-phieu textarea {
  width: 100%; padding: 10px 12px; border: 1px solid #cfd6d2; border-radius: 3px; background: #fff; font: inherit; color: var(--chu);
}
.vw-phieu input:focus, .vw-phieu select:focus, .vw-phieu textarea:focus { outline: 2px solid rgba(4,105,56,.25); border-color: var(--xanh); }
.vw-an { position: absolute; left: -9999px; }
.vw-bao { padding: 10px 14px; border-left: 3px solid; }
.vw-bao-ok { background: #e9f6ee; border-color: var(--xanh); color: var(--xanh-dam) !important; }
.vw-bao-loi { background: #fdecea; border-color: #c0392b; color: #8e2a1f !important; }
.vw-ban-do { margin-top: 40px; min-height: 120px; background: var(--nen); border: 1px solid var(--vien); display: flex; align-items: center; justify-content: center; }
.vw-ban-do iframe { width: 100%; height: 420px; border: 0; display: block; }

/* --- Chân trang --- */
.vw-chan { background: #13201a; color: rgba(255,255,255,.75); font-size: 15px; }
.vw-chan-luoi { display: grid; grid-template-columns: 1.3fr .8fr .9fr 1.4fr; gap: 32px; padding: 52px 0 40px; }
.vw-chan h3 { color: #fff; font-size: 14px; text-transform: uppercase; letter-spacing: .5px; padding-bottom: 10px; margin-bottom: 14px; border-bottom: 2px solid var(--nhan); display: inline-block; }
.vw-chan ul { list-style: none; padding: 0; margin: 0; }
.vw-chan li { margin-bottom: 8px; }
.vw-chan a { color: rgba(255,255,255,.8); }
.vw-chan a:hover { color: #fff; }
.vw-chan-lh b { color: #fff; font-weight: 600; }
.vw-chan-logo { width: 141px; margin-bottom: 16px; opacity: .95; }
.vw-chan-cuoi { background: #0d1712; font-size: 14px; color: rgba(255,255,255,.55); }
.vw-chan-cuoi .vw-khung { padding: 14px 0; }

/* --- Máy tính bảng / điện thoại --- */
@media (max-width: 980px) {
  .vw-mo-menu {
    display: flex; align-items: center; gap: 8px; border: 1px solid var(--vien); background: #fff; padding: 8px 12px; border-radius: 3px;
    font: 600 14px 'Be Vietnam Pro', 'Segoe UI', Arial, sans-serif; text-transform: uppercase; color: var(--chu); cursor: pointer;
  }
  .vw-mo-menu span, .vw-mo-menu span::before, .vw-mo-menu span::after { display: block; width: 18px; height: 2px; background: currentColor; position: relative; }
  .vw-mo-menu span::before, .vw-mo-menu span::after { content: ""; position: absolute; left: 0; }
  .vw-mo-menu span::before { top: -6px; }
  .vw-mo-menu span::after { top: 6px; }
  .vw-dau .vw-khung { min-height: 64px; }
  .vw-logo img { width: 128px; }
  .vw-menu {
    display: none; position: absolute; left: 0; right: 0; top: 100%; background: #fff; border-bottom: 3px solid var(--xanh);
    flex-direction: column; align-items: stretch; padding: 0 5% 16px; max-height: calc(100vh - 100px); overflow-y: auto;
  }
  .vw-menu-mo .vw-menu { display: flex; }
  .vw-menu-ds { flex-direction: column; }
  .vw-menu-ds > li { border-bottom: 1px solid var(--vien); }
  .vw-menu-ds > li > a { padding: 13px 0; }
  .vw-menu-ds .sub-menu { position: static; visibility: visible; opacity: 1; display: none; border: 0; padding: 0 0 8px 12px; min-width: 0; }
  .vw-menu-ds > li.vw-con-mo > .sub-menu { display: block; }
  .vw-nut-menu { margin: 16px 0 0; text-align: center; }
  .vw-tim-tren { display: none; }
  .vw-tim-menu { display: flex; margin: 14px 0 0; }
  .vw-tim-menu input { flex: 1; height: 40px; background: var(--nen); color: var(--chu); border: 1px solid var(--vien); font-size: 15px; }
  .vw-tim-menu input::placeholder { color: var(--chu-phu); }
  .vw-tim-menu button { height: 40px; padding: 0 12px; }
  .vw-menu-ds .sub-menu:has(img) { display: none; grid-template-columns: 1fr 1fr; padding: 0 0 10px; }
  .vw-menu-ds > li.vw-con-mo > .sub-menu:has(img) { display: grid; }
  .vw-muc { padding: 44px 0; }
  .vw-hero { flex-direction: column; min-height: 0; }
  .vw-hero-chu { width: 100%; padding: 36px 5% 28px; }
  .vw-hero-anh { padding-bottom: 0; }
  .vw-hero h1 { font-size: 27px; }
  .vw-hero-anh { width: 100%; aspect-ratio: 16 / 9; }
  .vw-hero-khung { clip-path: polygon(0 8%, 100% 0, 100% 100%, 0 100%); }
  .vw-so-dai { margin-top: -20px; }
  .vw-ve-anh::before { right: -8px; bottom: -8px; }
  .vw-hero-anh::before { display: none; }
  .vw-nhom { grid-template-columns: 1fr 1fr; }
  .vw-nhom-3 { grid-column: 1 / -1; aspect-ratio: 16 / 7; }
  .vw-nhom-4 { grid-column: 1 / -1; grid-row: auto; aspect-ratio: 16 / 7; }
  .vw-luoi { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .vw-ve-hang { flex-direction: column; gap: 24px; }
  .vw-so { grid-template-columns: repeat(2, 1fr); }
  .vw-so div:nth-child(2) { border-right: 0; }
  .vw-so div:nth-child(-n+2) { border-bottom: 1px solid var(--vien); }
  .vw-cta .vw-khung { flex-direction: column; align-items: flex-start; }
  .vw-cta .vw-cta-nut { white-space: normal; }
  .vw-cta .vw-nut { margin: 0 8px 8px 0 !important; }
  .vw-mo-dau.co-anh, .vw-lien-he { grid-template-columns: 1fr; gap: 28px; }
  .vw-khoi-ngang { grid-template-columns: 1fr; row-gap: 16px; }
  .vw-khoi-ngang > .vw-bo-anh, .vw-khoi-ngang > .vw-khoi-chu, .vw-khoi-ngang > .vw-khoi-them { grid-column: 1; grid-row: auto; }
  .vw-chan-luoi { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  h1, .vw-tieu-de h1 { font-size: 24px; }
  .vw-tieu-de h2, .vw-ve-chu h2 { font-size: 22px; }
  .vw-thanh-tren a { margin-right: 12px; }
  .vw-thanh-tren span a:nth-child(2) { display: none; } /* điện thoại: chỉ giữ hotline, email ở chân trang */
  .vw-nhom { grid-template-columns: 1fr; }
  .vw-nhom-1, .vw-nhom-2, .vw-nhom-3, .vw-nhom-4 { grid-column: auto; aspect-ratio: 16 / 9; }
  .vw-the-chu { padding: 10px; }
  .vw-the-chu strong { font-size: 14px; }
  .vw-so strong { font-size: 24px; }
  .vw-bo-anh { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .vw-bo-anh-chinh { grid-template-columns: repeat(5, 1fr); gap: 6px; }
  .vw-phieu { padding: 20px 16px 6px; }
  .vw-phieu-luoi { grid-template-columns: 1fr; }
  .vw-chan-luoi { grid-template-columns: 1fr; gap: 24px; }
}

/* Lưới thẻ trong một nhóm mục (ứng dụng, giá trị cốt lõi) */
.vw-khoi-luoi { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; margin-top: 8px; }
.vw-khoi-the { border: 1px solid var(--vien); padding: 18px 18px 6px; background: #fff; }
.vw-khoi-the h3 { font-size: 16px; text-transform: none; }
.vw-khoi-the .vw-bo-anh { margin: 12px 0; }
.vw-khoi-the .vw-bo-anh { grid-template-columns: 1fr; }
.vw-khoi-the .vw-bo-anh-nho { grid-template-columns: 1fr 1fr; gap: 6px; }
.vw-khoi-them { margin-top: 12px; }
.vw-khoi-them a { font-weight: 600; }