:root {
  --xanh-dam: #0b2545;
  --xanh: #13406f;
  --vang: #c9a227;
  --vang-dam: #a8861a;
  --nen: #f5f6f8;
  --chu: #1c2733;
  --chu-phu: #5b6775;
  --vien: #e2e6eb;
  --trang: #ffffff;
  --bo-goc: 14px;
  --bong: 0 10px 30px rgba(11, 37, 69, .12);
  --rong: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: 'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif; color: var(--chu); background: var(--nen); line-height: 1.6; font-size: 16px; overflow-x: hidden; }
img, svg { max-width: 100%; display: block; }
a { color: var(--xanh); }
h1, h2, h3 { line-height: 1.25; margin: 0 0 .6em; color: var(--xanh-dam); }
h1 { font-size: clamp(1.8rem, 4.4vw, 2.9rem); }
h2 { font-size: clamp(1.45rem, 3vw, 2rem); }
h3 { font-size: 1.12rem; }
p { margin: 0 0 1em; }

.khung { max-width: var(--rong); margin: 0 auto; padding: 0 16px; }
.hep { max-width: 860px; }
.giua { text-align: center; }
.muc { padding: 64px 0; }
.muc-trang { background: var(--trang); }
.muc-toi { background: var(--xanh-dam); color: #dfe7f1; }
.muc-toi h2, .muc-toi h3 { color: #fff; }
.tieu-de-muc { text-align: center; max-width: 760px; margin: 0 auto 32px; }
.tieu-de-muc p { color: var(--chu-phu); }
.nhan { display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--vang); margin-bottom: 8px; }
.nguon { display: inline-block; font-size: .76rem; color: var(--chu-phu); margin-top: 4px; }
.nguon a { color: inherit; }
.ghi-chu { font-size: .9rem; color: var(--chu-phu); margin-top: 16px; }

/* Nut */
.nut { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 13px 22px; border-radius: 999px; font-weight: 700; text-decoration: none; border: 2px solid transparent; cursor: pointer; font: inherit; font-weight: 700; transition: transform .15s, background .15s; }
.nut:hover { transform: translateY(-1px); }
.nut-vang { background: var(--vang); color: var(--xanh-dam); }
.nut-vang:hover { background: #d9b33a; }
.nut-vien { border-color: var(--xanh); color: var(--xanh); background: transparent; }
.nut-vien-sang { border-color: rgba(255,255,255,.7); color: #fff; }
.nut-zalo { background: #0068ff; color: #fff; }
.nut-nho { padding: 8px 16px; font-size: .9rem; }
.nut-rong { width: 100%; }
.nhom-nut { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 20px; }
.giua-nut { justify-content: center; }

/* Dau trang */
.dau-trang { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.97); border-bottom: 1px solid var(--vien); backdrop-filter: blur(6px); }
.dau-trang-trong { display: flex; align-items: center; justify-content: space-between; min-height: 64px; gap: 16px; }
.logo { font-weight: 800; font-size: 1.3rem; color: var(--xanh-dam); text-decoration: none; line-height: 1.1; }
.logo span { color: var(--vang); }
.logo small { display: block; font-size: .68rem; font-weight: 600; color: var(--chu-phu); letter-spacing: .06em; text-transform: uppercase; }
.logo-sang { color: #fff; }
.menu { display: flex; align-items: center; gap: 22px; }
.menu > a, .menu summary { color: var(--chu); text-decoration: none; font-weight: 600; cursor: pointer; }
.menu > a[aria-current], .menu a:hover { color: var(--xanh); }
.menu-du-an { position: relative; }
.menu-du-an summary { list-style: none; }
.menu-du-an summary::after { content: ' ▾'; font-size: .8em; }
.menu-du-an summary::-webkit-details-marker { display: none; }
.menu-du-an ul { position: absolute; top: calc(100% + 14px); left: -16px; list-style: none; margin: 0; padding: 8px; background: #fff; border: 1px solid var(--vien); border-radius: 12px; box-shadow: var(--bong); min-width: 290px; }
.menu-du-an li a { display: flex; justify-content: space-between; gap: 12px; padding: 9px 12px; border-radius: 8px; text-decoration: none; color: var(--chu); font-weight: 600; }
.menu-du-an li a:hover, .menu-du-an li a[aria-current] { background: var(--nen); }
.menu-du-an small { color: var(--chu-phu); font-weight: 400; }
.mo-menu, .nut-menu { display: none; }

/* Mo dau */
.mo-dau { background: radial-gradient(1200px 500px at 85% -10%, #1f6f8b 0%, transparent 60%), linear-gradient(135deg, #0b2545, #13406f); color: #dfe7f1; padding: 56px 0 64px; position: relative; overflow: hidden; }
.mo-dau h1 { color: #fff; }
.mo-dau .nhan { color: #f3d67a; }
.mo-dau-luoi { display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: start; position: relative; }
.dan { font-size: 1.08rem; }
.ten-khac { font-weight: 600; color: #f3d67a; margin-top: -6px; }
.vi-tri { font-size: .95rem; }
.dau-cham { padding-left: 0; list-style: none; margin: 0 0 1em; }
.dau-cham li { padding-left: 28px; position: relative; margin: 6px 0; }
.dau-cham li::before { content: '✓'; position: absolute; left: 0; color: var(--vang); font-weight: 800; }
.duong-dan { font-size: .85rem; margin-bottom: 12px; }
.duong-dan a { color: #cfe0f1; }
.mo-dau-du-an .bt-nen { position: absolute; right: -60px; bottom: -80px; width: 420px; height: 420px; color: rgba(255,255,255,.07); }
.o-so { list-style: none; padding: 0; margin: 22px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.o-so li { background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18); border-radius: 12px; padding: 12px; }
.o-so b { display: block; color: #fff; font-size: 1.15rem; }
.o-so span { font-size: .8rem; }

/* Form */
.form-dang-ky { background: #fff; color: var(--chu); border-radius: var(--bo-goc); padding: 24px; box-shadow: var(--bong); }
.form-dang-ky h3 { color: var(--xanh-dam); }
.form-dang-ky label { display: block; font-size: .88rem; font-weight: 600; margin: 10px 0 4px; }
.form-dang-ky input[type=text], .form-dang-ky input[type=tel], .form-dang-ky select { width: 100%; padding: 12px; border: 1px solid #cfd6de; border-radius: 10px; font: inherit; background: #fff; }
.form-dang-ky input:focus, .form-dang-ky select:focus { outline: 2px solid var(--vang); border-color: var(--vang); }
.hai-cot { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.dong-y { display: flex !important; gap: 8px; align-items: flex-start; font-weight: 400 !important; font-size: .82rem !important; margin: 14px 0 !important; }
.dong-y input { margin-top: 3px; }
.o-an { position: absolute; left: -9999px; }
.form-thong-bao { font-size: .9rem; margin: 10px 0 0; min-height: 1.2em; }
.form-thong-bao.loi { color: #c0392b; }
.form-thong-bao.ok { color: #1f8a5b; }

/* Truot du an noi bat */
.truot { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(300px, 1fr); gap: 18px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 10px; }
.the-lon { scroll-snap-align: start; position: relative; overflow: hidden; display: flex; flex-direction: column; gap: 8px; min-height: 340px; padding: 24px; border-radius: 18px; color: #e8eef5; text-decoration: none; }
.the-lon strong { color: #fff; font-size: 1.45rem; line-height: 1.2; }
.the-lon .bt-lon { position: absolute; right: -24px; top: -24px; width: 170px; height: 170px; color: rgba(255,255,255,.14); }
.the-lon-vung { font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; color: #f3d67a; font-weight: 700; }
.the-lon-so { display: flex; gap: 14px; flex-wrap: wrap; margin-top: auto; }
.the-lon-so em { font-style: normal; font-size: .78rem; }
.the-lon-so b { display: block; color: #fff; font-size: 1.05rem; }
.the-lon-nut { font-weight: 700; color: #fff; }

/* Luoi du an */
.thong-ke-tinh { list-style: none; padding: 0; margin: 0 auto 28px; display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.thong-ke-tinh li { background: #fff; border: 1px solid var(--vien); border-radius: 999px; padding: 6px 14px; font-size: .9rem; }
.thong-ke-tinh b { color: var(--vang-dam); }
.luoi-du-an { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }
.the-du-an { background: #fff; border-radius: var(--bo-goc); overflow: hidden; box-shadow: 0 4px 16px rgba(11,37,69,.07); display: flex; flex-direction: column; border: 1px solid var(--vien); }
.the-anh { position: relative; height: 140px; display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.85); }
.the-anh .bt { width: 72px; height: 72px; }
.the-vung { position: absolute; left: 12px; bottom: 10px; background: rgba(0,0,0,.3); color: #fff; font-size: .75rem; padding: 3px 10px; border-radius: 999px; }
.the-than { padding: 16px 18px 20px; display: flex; flex-direction: column; flex: 1; }
.the-than h3 { margin-bottom: 2px; }
.the-than h3 a { text-decoration: none; color: var(--xanh-dam); }
.the-ten-khac { font-size: .82rem; color: var(--chu-phu); margin-bottom: 8px; }
.the-trang-thai { font-size: .82rem; font-weight: 600; color: #1f8a5b; margin-bottom: 8px; }
.the-so { list-style: none; padding: 0; margin: 0 0 14px; font-size: .88rem; }
.the-so b { color: var(--xanh-dam); }
.the-du-an .nut { margin-top: auto; align-self: flex-start; }

/* Vung */
.luoi-vung { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.nhom-vung { border: 1px solid var(--vien); border-radius: var(--bo-goc); padding: 20px; background: var(--nen); }
.nhom-vung h3 small { font-weight: 400; color: var(--chu-phu); font-size: .85rem; }
.nhom-vung ul { list-style: none; padding: 0; margin: 0; }
.nhom-vung li { display: flex; justify-content: space-between; gap: 8px; padding: 8px 0; border-bottom: 1px dashed var(--vien); }
.nhom-vung li:last-child { border-bottom: 0; }
.nhom-vung li a { font-weight: 600; text-decoration: none; }
.nhom-vung li span { color: var(--chu-phu); font-size: .88rem; }

/* Hai phan */
.hai-phan { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.muc-toi .dau-cham li::before { color: #f3d67a; }
.so-lon { font-size: 1.5rem; font-weight: 800; color: #f3d67a; text-decoration: none; }
.cam-ket { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.cam-ket li { background: var(--nen); border-radius: 12px; padding: 16px; border-left: 4px solid var(--vang); }
.cam-ket b { display: block; color: var(--xanh-dam); }
.cam-ket span { font-size: .9rem; color: var(--chu-phu); }

/* Tin */
.luoi-tin { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 20px; }
.the-tin { background: #fff; border-radius: var(--bo-goc); overflow: hidden; border: 1px solid var(--vien); display: flex; flex-direction: column; }
.the-tin-dau { height: 100px; position: relative; color: rgba(255,255,255,.3); display: flex; justify-content: flex-end; align-items: center; padding-right: 14px; }
.the-tin-dau .bt { width: 64px; height: 64px; }
.the-tin-dau time { position: absolute; left: 14px; bottom: 10px; color: #fff; font-weight: 700; font-size: .85rem; }
.the-tin h3 { font-size: 1.02rem; }
.the-tin h3 a { text-decoration: none; color: var(--xanh-dam); }
.the-tin p { font-size: .92rem; }

/* Bang, noi bat, moc */
.bang { width: 100%; border-collapse: collapse; background: #fff; }
.bang th, .bang td { text-align: left; vertical-align: top; padding: 14px 12px; border-bottom: 1px solid var(--vien); }
.bang th { width: 34%; color: var(--xanh-dam); font-weight: 700; background: var(--nen); }
.luoi-noi-bat { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 18px; }
.o-noi-bat { background: #fff; border-radius: var(--bo-goc); padding: 20px; border-top: 4px solid var(--vang); box-shadow: 0 4px 14px rgba(11,37,69,.06); }
.o-noi-bat p { font-size: .95rem; margin-bottom: 6px; }
.moc { list-style: none; padding: 0; margin: 0; border-left: 3px solid var(--vang); }
.moc li { position: relative; padding: 0 0 22px 24px; }
.moc li::before { content: ''; position: absolute; left: -9px; top: 4px; width: 15px; height: 15px; border-radius: 50%; background: #fff; border: 3px solid var(--vang); }
.moc time { font-weight: 800; color: var(--xanh-dam); }
.moc p { margin: 2px 0 0; }

/* Hoi dap */
.hoi-dap details { background: #fff; border: 1px solid var(--vien); border-radius: 12px; margin-bottom: 10px; }
.hoi-dap summary { cursor: pointer; padding: 16px 18px; font-weight: 700; color: var(--xanh-dam); }
.hoi-dap p { padding: 0 18px 16px; margin: 0; }

/* Van ban, cam on */
.van-ban h2 { font-size: 1.15rem; margin-top: 1.4em; }
.dau-tich { font-size: 3rem; }

/* Chan trang */
.chan-trang { background: #071a31; color: #b7c4d3; padding: 48px 0 100px; font-size: .92rem; }
.chan-trang a { color: #dfe7f1; }
.chan-trang h3 { color: #fff; font-size: 1rem; }
.chan-trang ul { list-style: none; padding: 0; margin: 0; }
.chan-trang li { margin: 6px 0; }
.chan-luoi { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; margin-bottom: 24px; }
.mien-tru { border-top: 1px solid rgba(255,255,255,.12); padding-top: 18px; font-size: .8rem; color: #8ea0b4; }

/* Nut noi */
.noi-lien-he { position: fixed; right: 16px; bottom: 24px; display: flex; flex-direction: column; gap: 10px; z-index: 60; }
.noi-lien-he a { width: 56px; height: 56px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 800; font-size: .78rem; text-decoration: none; box-shadow: var(--bong); }
.noi-lien-he .zalo { background: #0068ff; }
.noi-lien-he .goi { background: #1f8a5b; animation: rung 2.4s infinite; }
@keyframes rung { 0%, 90%, 100% { transform: none; } 93% { transform: rotate(-12deg); } 96% { transform: rotate(12deg); } }
.thanh-duoi { display: none; }

/* Dien thoai, may tinh bang */
@media (max-width: 960px) {
  .mo-dau-luoi, .hai-phan { grid-template-columns: 1fr; }
  .luoi-vung { grid-template-columns: 1fr; }
  .chan-luoi { grid-template-columns: 1fr 1fr; }
  .o-so { grid-template-columns: repeat(2, 1fr); }
  .nut-menu { display: flex; flex-direction: column; gap: 5px; cursor: pointer; padding: 10px; }
  .nut-menu span { width: 24px; height: 3px; background: var(--xanh-dam); border-radius: 2px; }
  .menu { display: none; position: absolute; top: 64px; left: 0; right: 0; background: #fff; flex-direction: column; align-items: stretch; gap: 0; padding: 8px 16px 16px; border-bottom: 1px solid var(--vien); box-shadow: var(--bong); max-height: calc(100vh - 64px); overflow-y: auto; }
  .mo-menu:checked ~ .menu { display: flex; }
  .menu > a, .menu summary { padding: 12px 0; border-bottom: 1px solid var(--vien); }
  .menu .nut { margin-top: 12px; }
  .menu-du-an ul { position: static; box-shadow: none; border: 0; padding: 0 0 8px; min-width: 0; }
}
@media (max-width: 640px) {
  .muc { padding: 44px 0; }
  .mo-dau { padding: 32px 0 40px; }
  .hai-cot, .cam-ket { grid-template-columns: 1fr; }
  .chan-luoi { grid-template-columns: 1fr; }
  .truot { grid-auto-columns: 85%; }
  .bang th { width: auto; display: block; border-bottom: 0; padding-bottom: 4px; }
  .bang td { display: block; padding-top: 4px; }
  .bang tr { display: block; border-bottom: 1px solid var(--vien); }
  .noi-lien-he { display: none; }
  .thanh-duoi { display: grid; grid-template-columns: 1fr 1fr 1.3fr; position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; background: #fff; border-top: 1px solid var(--vien); box-shadow: 0 -4px 14px rgba(0,0,0,.08); }
  .thanh-duoi a { padding: 14px 6px; text-align: center; font-weight: 700; text-decoration: none; color: var(--xanh-dam); }
  .thanh-duoi .dang-ky { background: var(--vang); }
}

/* Chong tran ngang: o luoi khong duoc rong hon man hinh */
.mo-dau-luoi > *, .hai-phan > *, .hai-cot > *, .chan-luoi > * { min-width: 0; }
.form-dang-ky select { max-width: 100%; text-overflow: ellipsis; }
main, .chan-trang { overflow-x: clip; }

/* Anh */
.the-anh { background-size: cover; background-position: center; }
.the-lon { background-size: cover; background-position: center; text-shadow: 0 1px 3px rgba(0,0,0,.45); }
.ghi-anh { position: relative; font-size: .74rem; color: #c4d2e1; margin: 18px 0 0; }
.ghi-anh a { color: inherit; }
.co-anh .mo-dau-chu { text-shadow: 0 1px 4px rgba(0,0,0,.5); }
.ds-404 { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.ds-404 a { display: inline-block; padding: 6px 14px; border: 1px solid var(--vien); border-radius: 999px; background: #fff; text-decoration: none; }

/* Bang loai hinh, thu vien anh */
.tieu-de-bang { margin-top: 28px; }
.cuon-ngang { overflow-x: auto; }
.bang-loai thead th { background: var(--xanh-dam); color: #fff; width: auto; }
.bang-loai td:first-child { font-weight: 700; color: var(--xanh-dam); }
.thu-vien { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.thu-vien figure { margin: 0; background: #fff; border: 1px solid var(--vien); border-radius: 12px; overflow: hidden; }
.thu-vien img { width: 100%; height: 200px; object-fit: cover; transition: transform .3s; }
.thu-vien a:hover img { transform: scale(1.04); }
.thu-vien a { display: block; overflow: hidden; }
.thu-vien figcaption { padding: 10px 12px; font-size: .85rem; color: var(--chu-phu); }
.thu-vien figcaption b { color: var(--xanh-dam); }
@media (max-width: 640px) {
  .bang-loai th, .bang-loai td { display: table-cell; }
  .bang-loai tr { display: table-row; }
}

/* ===== Giao diện v2 (05/11/2026): hero ảnh, tìm nhanh, ô hành động, dải số liệu ===== */
.an-chu { position: absolute; left: -9999px; }
.mo-dau-anh-nen { background: linear-gradient(100deg, rgba(7,26,49,.92) 0%, rgba(7,26,49,.78) 45%, rgba(7,26,49,.35) 100%), url('../anh/vinhomes-king-park.jpg') center/cover no-repeat, #0b2545; padding: 72px 0 80px; }
.mo-dau-anh-nen h1 { font-size: clamp(2rem, 4.2vw, 3.2rem); text-shadow: 0 2px 12px rgba(0,0,0,.35); }
.tim-nhanh { margin-top: -34px; position: relative; z-index: 5; }
.o-tim { display: flex; gap: 10px; background: #fff; border-radius: 16px; padding: 12px; box-shadow: var(--bong); }
.o-tim input { flex: 1; min-width: 0; border: 1px solid var(--vien); border-radius: 10px; padding: 14px 16px; font: inherit; font-size: 1rem; }
.o-tim input:focus { outline: 2px solid var(--vang); border-color: var(--vang); }
.o-hanh-dong { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 14px; }
.o-hanh-dong a { display: flex; flex-direction: column; gap: 4px; background: #fff; border: 1px solid var(--vien); border-radius: 14px; padding: 16px 18px; text-decoration: none; color: var(--chu); box-shadow: 0 4px 14px rgba(11,37,69,.06); transition: transform .15s, box-shadow .15s; }
.o-hanh-dong a:hover { transform: translateY(-3px); box-shadow: var(--bong); }
.o-hanh-dong b { color: var(--xanh-dam); font-size: 1.02rem; }
.o-hanh-dong span { font-size: .86rem; color: var(--chu-phu); }
.dai-so { padding: 28px 0 8px; }
.dai-so-luoi { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; text-align: center; }
.dai-so-luoi div { padding: 8px; }
.dai-so-luoi b { display: block; font-size: 1.9rem; color: var(--xanh-dam); font-weight: 800; }
.dai-so-luoi span { font-size: .88rem; color: var(--chu-phu); }
.kp-luoi { display: grid; grid-template-columns: 1.1fr .9fr; gap: 36px; align-items: center; }
.kp-anh { position: relative; display: block; aspect-ratio: 16/10; border-radius: 20px; background-size: cover; background-position: center; box-shadow: var(--bong); overflow: hidden; }
.kp-anh span { position: absolute; left: 14px; bottom: 14px; background: rgba(7,26,49,.78); color: #fff; font-size: .78rem; padding: 4px 10px; border-radius: 999px; }
.the-anh { height: 190px; overflow: hidden; }
.the-du-an { transition: transform .18s, box-shadow .18s; }
.the-du-an:hover { transform: translateY(-4px); box-shadow: var(--bong); }
.the-du-an.an-tim { display: none; }
.khong-thay { display: none; text-align: center; color: var(--chu-phu); padding: 20px; }
@media (max-width: 800px) {
  .o-tim { flex-direction: column; }
  .o-hanh-dong { grid-template-columns: 1fr; }
  .dai-so-luoi { grid-template-columns: repeat(2, 1fr); }
  .kp-luoi { grid-template-columns: 1fr; }
  .mo-dau-anh-nen { padding: 44px 0 56px; background-position: 62% center; }
}

/* ===== Điện thoại (05/11/2026): băng chuyền tràn lề, thẻ vừa khung hình ===== */
@media (max-width: 700px) {
  .truot { margin: 0 -16px; padding: 0 16px 12px; grid-auto-columns: 84vw; scroll-padding-left: 16px; gap: 12px; }
  .the-lon { min-height: 380px; }
  .o-tim input { font-size: .95rem; }
}

/* 05/11/2026: 21 du an — menu theo mien, loc vung, chan trang 2 cot */
.dau-trang-trong { position: relative; }
.menu-du-an { position: static; }
.menu-du-an > ul { left: auto; right: 0; width: min(860px, calc(100vw - 32px)); display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px 12px; max-height: calc(100vh - 110px); overflow-y: auto; }
.menu-du-an .menu-nhom > b { display: block; padding: 8px 12px 4px; font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; color: var(--chu-phu); }
.menu-du-an .menu-nhom ul { position: static; list-style: none; margin: 0; padding: 0; border: 0; box-shadow: none; min-width: 0; width: auto; background: none; display: block; }
.menu-du-an .menu-nhom li a { padding: 7px 12px; font-size: .93rem; }
.loc-vung { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin: 0 auto 28px; }
.loc-vung button { font: inherit; cursor: pointer; background: #fff; border: 1px solid var(--vien); border-radius: 999px; padding: 8px 16px; color: var(--chu); }
.loc-vung button b { color: var(--vang-dam); margin-left: 4px; }
.loc-vung button.dang-chon { background: var(--chu); color: #fff; border-color: var(--chu); }
.loc-vung button.dang-chon b { color: #ffd166; }
.the-du-an.an-vung { display: none; }
.ds-chan-du-an { columns: 2; column-gap: 20px; }
.ds-chan-du-an li { break-inside: avoid; }
.chan-luoi { grid-template-columns: 1.2fr 1.8fr 1fr; }
@media (max-width: 960px) {
  .menu-du-an > ul { position: static; width: auto; display: block; max-height: none; overflow: visible; }
  .chan-luoi { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .chan-luoi { grid-template-columns: 1fr; }
}