:root{
  --vang:#C9A227; --vang-sang:#D4B952; --than:#1F1F1F;
  --giay:#FAF8F4; --xam:#6E6A62; --line:#E2DDD1; --trang:#fff;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',sans-serif;
  background:var(--giay); color:var(--than);
  font-size:17px; line-height:1.7; -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
.bao{max-width:1120px;margin:0 auto;padding:0 24px}

.nav{padding:26px 0 0;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.nav .logo{width:168px}
.nav nav{display:flex;gap:26px;flex-wrap:wrap}
.nav nav a{color:var(--xam);text-decoration:none;font-size:.92rem;font-weight:500;padding-bottom:2px}
.nav nav a:hover,.nav nav a[aria-current]{color:var(--than);border-bottom:2px solid var(--vang)}
.ten{margin:14px 0 0;font-size:.74rem;letter-spacing:.2em;text-transform:uppercase;color:var(--xam);font-weight:600}

.hero{margin:30px 0 0;border-radius:16px;overflow:hidden;position:relative;background:var(--than)}
.hero .bang{position:relative;width:100%;height:clamp(300px,46vw,520px);background:#171717}
.hero .bang img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:0;transition:opacity 1.2s ease}
.hero .bang img.hien{opacity:.86}
.hero .cham{position:absolute;right:20px;bottom:18px;display:flex;gap:6px;z-index:2}
.hero .cham i{width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.38);
  cursor:pointer;transition:background .25s,width .25s}
.hero .cham i.nay{background:var(--vang-sang);width:18px;border-radius:3px}
@media (prefers-reduced-motion:reduce){.hero .bang img{transition:none}}
.hero .chu{position:absolute;inset:auto 0 0 0;padding:34px 34px 30px;
  background:linear-gradient(to top,rgba(18,18,18,.92),rgba(18,18,18,.25) 60%,rgba(18,18,18,0))}
.hero h1{margin:0 0 12px;color:#fff;font-weight:600;letter-spacing:-.015em;
  font-size:clamp(1.7rem,4.2vw,2.7rem);line-height:1.18;max-width:760px}
.hero h1 em{font-style:normal;color:var(--vang-sang)}
.hero p{margin:0 0 20px;color:#DDD8CE;font-size:1.02rem;max-width:580px}
.hang{display:flex;gap:12px;flex-wrap:wrap}

.nut{display:inline-block;padding:11px 22px;border-radius:9px;background:var(--than);
  color:var(--giay);text-decoration:none;font-size:.94rem;font-weight:500;white-space:nowrap;
  border:1px solid var(--than)}
.nut:hover{background:var(--vang);color:var(--than);border-color:var(--vang)}
.nut.sang{background:var(--vang);color:#1a1a1a;border-color:var(--vang)}
.nut.sang:hover{background:#fff;border-color:#fff}
.nut.vien{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.nut.vien:hover{background:#fff;color:var(--than);border-color:#fff}

.khoi{margin:58px 0 0;padding:40px 0 0;border-top:1px solid var(--line)}
.khoi>h3,.tieu{margin:0 0 22px;font-size:.78rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--xam);font-weight:600}
.dan{margin:0 0 24px;font-size:1.05rem;max-width:760px}
.dan b{font-weight:600}
.trang-dau{margin:34px 0 0}
.trang-dau h1{margin:0 0 10px;font-size:clamp(1.8rem,4.4vw,2.6rem);font-weight:600;letter-spacing:-.015em;line-height:1.2}
.trang-dau p{margin:0;color:var(--xam);max-width:720px}

.luoi{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);
  border-radius:12px;overflow:hidden;grid-template-columns:repeat(auto-fit,minmax(248px,1fr))}
.o{background:var(--giay);padding:28px 26px}
.o h2{margin:0 0 9px;font-size:1.06rem;font-weight:600;display:flex;align-items:center;gap:10px}
.o h2::before{content:'';width:9px;height:9px;border-radius:2px;background:var(--vang);flex:none}
.o p{margin:0;font-size:.95rem;color:var(--xam)}

.the-luoi{display:grid;gap:22px;grid-template-columns:repeat(auto-fit,minmax(290px,1fr))}
.the{display:block;text-decoration:none;color:inherit;border-radius:13px;overflow:hidden;
  background:var(--trang);border:1px solid var(--line);transition:transform .18s,box-shadow .18s}
.the:hover{transform:translateY(-3px);box-shadow:0 10px 26px rgba(31,31,31,.10)}
.the .khung{aspect-ratio:4/3;overflow:hidden;background:#EFEBE3}
.the .khung img{width:100%;height:100%;object-fit:cover}
.the .noi{padding:17px 19px 19px}
.the h4{margin:0 0 5px;font-size:1.05rem;font-weight:600}
.the p{margin:0;font-size:.88rem;color:var(--xam)}
.the .meta{margin-top:9px;font-size:.78rem;letter-spacing:.09em;text-transform:uppercase;color:var(--vang);font-weight:600}

.so{display:grid;gap:30px;grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}
.so b{display:block;font-size:2.5rem;font-weight:600;line-height:1;letter-spacing:-.02em}
.so span{display:block;margin-top:9px;font-size:.92rem;color:var(--xam)}
.ghi{margin:26px 0 0;font-size:.9rem;color:var(--xam);max-width:680px}

.qt{display:grid;gap:22px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.qt .buoc{padding:22px 22px 24px;background:var(--trang);border:1px solid var(--line);border-radius:12px}
.qt .stt{font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--vang);font-weight:700}
.qt h4{margin:8px 0 6px;font-size:1.04rem;font-weight:600}
.qt p{margin:0;font-size:.92rem;color:var(--xam)}
.qt .ngay{margin-top:12px;font-size:.86rem;font-weight:600}

.dai{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(168px,1fr))}
.dai a,.dai figure{display:block;margin:0;border:1px solid var(--line);border-radius:9px;overflow:hidden;background:var(--trang);cursor:zoom-in}
.dai img{width:100%;aspect-ratio:3/2;object-fit:cover;object-position:top}
.dai a:hover,.dai figure:hover{border-color:var(--vang)}

.thu-vien{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.thu-vien figure{margin:0;background:var(--trang);border:1px solid var(--line);border-radius:12px;overflow:hidden;cursor:zoom-in}
.thu-vien img{width:100%;height:auto}
.thu-vien figcaption{padding:11px 16px;font-size:.85rem;color:var(--xam)}
.thu-vien figure img{aspect-ratio:auto}
.thu-vien figure:not(.rong) img{aspect-ratio:4/3;object-fit:cover}
.rong{grid-column:1/-1}

.tt{width:100%;border-collapse:collapse;font-size:.95rem;max-width:760px}
.tt th,.tt td{text-align:left;padding:11px 0;border-bottom:1px solid var(--line);vertical-align:top}
.tt th{width:200px;font-weight:600;color:var(--xam);font-size:.85rem;
  letter-spacing:.06em;text-transform:uppercase}

.lh-luoi{display:grid;gap:30px;grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.lh-luoi dl{margin:0}
.lh-luoi dt{font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--xam);font-weight:600}
.lh-luoi dd{margin:8px 0 0;font-size:1rem}
.lh-luoi a{color:var(--than);text-decoration:none;border-bottom:1.5px solid var(--vang);padding-bottom:1px}
.lh-luoi a:hover{color:var(--vang)}
.to{font-size:1.28rem;font-weight:600}

.shop{margin:44px 0 52px;padding:26px 28px;border:1px solid var(--line);border-radius:12px;
  display:flex;gap:20px;align-items:center;flex-wrap:wrap;justify-content:space-between;background:var(--trang)}
.shop div{max-width:560px}
.shop b{display:block;font-size:1.02rem;margin-bottom:5px}
.shop p{margin:0;font-size:.93rem;color:var(--xam)}

footer{border-top:1px solid var(--line);padding:26px 0 46px;font-size:.86rem;color:var(--xam)}
footer p{margin:0 0 5px}
footer a{color:var(--xam)}


@media (max-width:640px){
  body{font-size:16px}
  .bao{padding:0 18px}
  .nav{padding:20px 0 0}
  .nav .logo{width:140px}
  .nav nav{gap:18px}
  .hero .chu{padding:22px 20px 20px}
  .o{padding:22px 20px}
  .so b{font-size:2.1rem}
  .shop{padding:22px 20px}
  .tt th{width:auto;display:block;padding-bottom:2px;border:0}
  .tt td{display:block;padding-top:0}
}

/* ---------- ngôn ngữ ---------- */
body.ja{font-family:'Be Vietnam Pro','Noto Sans JP',system-ui,-apple-system,sans-serif}
body.ko{font-family:'Be Vietnam Pro','Noto Sans KR',system-ui,-apple-system,sans-serif}
body.ja,body.ko{line-height:1.8}
.lang{display:flex;gap:2px;align-items:center;flex:none}
.lang a{font-size:.78rem;letter-spacing:.04em;color:var(--xam);text-decoration:none;
  padding:4px 9px;border-radius:7px;border:1px solid transparent;white-space:nowrap}
.lang a:hover{color:var(--than);border-color:var(--line)}
.lang a.nay{color:var(--than);font-weight:600;background:#fff;border-color:var(--line)}
.lang a.noi-bo{margin-left:8px;border-color:var(--line);display:inline-flex;align-items:center;gap:4px}
.lang a.noi-bo::before{content:"";width:6px;height:6px;border-radius:50%;background:#C9A227}
@media (max-width:860px){
  .nav{gap:12px}
  .lang{order:3;width:100%;justify-content:flex-start;margin-left:-9px}
}


/* ---------- xem ảnh toàn màn hình ---------- */
.xem{position:fixed;inset:0;background:#0F0F0F;z-index:120;display:none;
  flex-direction:column;align-items:center;justify-content:center}
.xem.mo{display:flex}
.xem-top{position:absolute;top:0;left:0;right:0;display:flex;align-items:center;
  justify-content:space-between;gap:16px;padding:14px 18px;z-index:2;
  background:linear-gradient(to bottom,rgba(0,0,0,.72),rgba(0,0,0,0))}
.xem-tab{display:flex;gap:6px;flex-wrap:wrap;overflow-x:auto}
.xem-tab button{background:none;border:1px solid rgba(255,255,255,.22);color:#CFCBC2;
  font:inherit;font-size:.8rem;padding:6px 13px;border-radius:999px;cursor:pointer;white-space:nowrap}
.xem-tab button:hover{color:#fff;border-color:rgba(255,255,255,.5)}
.xem-tab button.nay{background:var(--vang);border-color:var(--vang);color:#171717;font-weight:600}
.xem-phai{display:flex;align-items:center;gap:14px;flex:none}
.xem-dem{color:#A8A49B;font-size:.82rem;font-variant-numeric:tabular-nums}
.xem-dong{background:none;border:0;color:#fff;font-size:1.35rem;line-height:1;
  cursor:pointer;opacity:.8;padding:6px 4px}
.xem-dong:hover{opacity:1}
.xem-giua{max-width:94vw;max-height:88vh;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:12px}
.xem img{max-width:94vw;max-height:80vh;width:auto;height:auto;border-radius:4px;
  object-fit:contain;background:#171717}
.xem-cap{color:#CFCBC2;font-size:.88rem;text-align:center;max-width:760px;padding:0 12px}
.xem-mui{position:absolute;top:50%;transform:translateY(-50%);z-index:2;
  width:52px;height:52px;border-radius:50%;border:1px solid rgba(255,255,255,.2);
  background:rgba(0,0,0,.42);color:#fff;font-size:1.9rem;line-height:1;cursor:pointer;
  display:flex;align-items:center;justify-content:center;padding-bottom:4px}
.xem-mui:hover{background:var(--vang);color:#171717;border-color:var(--vang)}
.xem-mui.truoc{left:18px}
.xem-mui.sau{right:18px}
@media (max-width:640px){
  .xem-mui{width:42px;height:42px;font-size:1.5rem}
  .xem-mui.truoc{left:8px}
  .xem-mui.sau{right:8px}
  .xem-top{padding:10px 12px;gap:10px}
  .xem-tab{max-width:62vw}
  .xem-tab button{font-size:.74rem;padding:5px 10px}
  .xem img{max-height:70vh}
}

/* ---------- bảng giá ---------- */
.bg-cuon{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 -24px;padding:0 24px}
table.bg{border-collapse:collapse;width:100%;min-width:640px;font-size:.92rem}
table.bg th,table.bg td{border:1px solid var(--line);padding:11px 13px;text-align:center;
  vertical-align:middle;background:var(--trang)}
table.bg thead th{background:var(--than);color:var(--giay);font-weight:600;
  font-size:.82rem;letter-spacing:.03em;line-height:1.35}
table.bg thead th small{display:block;font-weight:400;opacity:.62;font-size:.72rem;letter-spacing:.06em}
table.bg th.trai,table.bg td.trai{text-align:left}
table.bg th,table.bg td{display:table-cell}
table.bg td.gia{font-variant-numeric:tabular-nums;white-space:nowrap;display:table-cell}
table.bg tbody th{background:#F3F0E9;font-weight:600;text-align:left;font-size:.88rem}
table.bg tr.loai th{background:var(--vang);color:#1a1a1a;letter-spacing:.06em;
  text-transform:uppercase;font-size:.78rem}
table.bg td.trong{background:#FBFAF7;color:#C4BFB4}
table.bg .kieu{font-size:.82rem;color:var(--xam);font-weight:400;display:block;margin-top:2px}
table.bg .hs{font-size:.76rem;color:var(--xam);white-space:nowrap}
.co{color:var(--vang);font-weight:700}
.bg-ghi{margin:22px 0 0;font-size:.88rem;color:var(--xam);max-width:760px}
.bg-ghi b{color:var(--than)}
@media (max-width:640px){ .bg-cuon{margin:0 -18px;padding:0 18px} }

/* ---------- chọn đơn vị tiền ---------- */
.tien{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin:0 0 18px}
.tien-nhan{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--xam);font-weight:600}
.tien-nut{display:flex;gap:5px;flex-wrap:wrap}
.tien-nut button{font:inherit;font-size:.8rem;letter-spacing:.04em;padding:6px 12px;
  border-radius:8px;border:1px solid var(--line);background:var(--trang);color:var(--xam);cursor:pointer}
.tien-nut button:hover{color:var(--than);border-color:var(--xam)}
.tien-nut button.nay{background:var(--than);border-color:var(--than);color:var(--giay);font-weight:600}

/* ---------- nhãn nổi bật trên thanh điều hướng ---------- */
.nav nav a.nav-nhan{color:var(--than);font-weight:600;border:1px solid var(--vang);
  background:rgba(201,162,39,.12);padding:5px 13px;border-radius:999px}
.nav nav a.nav-nhan:hover{background:var(--vang);color:#1a1a1a;border-color:var(--vang)}

/* ---------- biểu mẫu ---------- */
.ph{max-width:820px}
.ph .bay{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.ph-hang{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));margin-bottom:18px}
.ph label{display:block}
.ph label>span{display:block;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--xam);font-weight:600;margin-bottom:7px}
.ph label>span i{font-style:normal;text-transform:none;letter-spacing:0;font-weight:400;opacity:.8}
.ph input,.ph select,.ph textarea{width:100%;font:inherit;font-size:1rem;color:var(--than);
  background:var(--trang);border:1px solid var(--line);border-radius:9px;padding:11px 13px;
  -webkit-appearance:none;appearance:none}
.ph select{background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8'><path d='M1 1l5 5 5-5' fill='none' stroke='%236E6A62' stroke-width='1.6'/></svg>");
  background-repeat:no-repeat;background-position:right 13px center;padding-right:34px}
.ph textarea{resize:vertical;line-height:1.6}
.ph input:focus,.ph select:focus,.ph textarea:focus{outline:0;border-color:var(--vang);
  box-shadow:0 0 0 3px rgba(201,162,39,.16)}
.ph-day{display:block;margin-bottom:18px}
.ph-tep input[type=file]{padding:10px 13px;background:#FBFAF7;cursor:pointer}
.ph-ghi{display:block;margin-top:7px;font-size:.84rem;color:var(--xam);font-style:normal}
.ph-ds{margin-top:10px;display:flex;flex-direction:column;gap:4px}
.ph-ds span{font-size:.86rem;color:var(--xam)}
.ph-ds span.qua{color:#B4231F}
.ph-cuoi{display:flex;gap:20px;align-items:center;flex-wrap:wrap;margin-top:8px}
.ph-cuoi button{border:0;cursor:pointer}
.ph-cuoi button[disabled]{opacity:.5;cursor:default}
.ph-rieng{margin:0;font-size:.84rem;color:var(--xam);max-width:420px}
.ph-loi{margin:14px 0 0;padding:11px 14px;border-radius:9px;background:#FBEDEC;
  border:1px solid #E7C4C2;color:#8F1D1A;font-size:.92rem}
.ph-xong{padding:30px 0 6px;max-width:660px}
.ph-xong h2{margin:0 0 10px;font-size:1.5rem;font-weight:600}
.ph-xong p{margin:0 0 10px}
.ph-ma{font-size:2.1rem;font-weight:600;letter-spacing:.12em;color:var(--vang);
  padding:14px 0 10px;font-variant-numeric:tabular-nums}
.ph-xong .ct{font-size:.9rem;color:var(--xam)}
.tc-form{display:flex;gap:14px;align-items:flex-end;flex-wrap:wrap}
.tc-form label{flex:1 1 220px;max-width:280px}
.tc-form input{text-transform:uppercase;letter-spacing:.1em;font-variant-numeric:tabular-nums}
.tc-form button{border:0;cursor:pointer}
.tc-kq{margin-top:26px}
.tc-tt{display:inline-block;padding:6px 14px;border-radius:999px;background:var(--than);
  color:var(--giay);font-size:.86rem;font-weight:500}
.tc-ds{margin:18px 0 0;padding:0;list-style:none;display:flex;flex-direction:column;gap:9px}
.tc-ds a{display:flex;justify-content:space-between;gap:16px;align-items:center;
  padding:13px 16px;border:1px solid var(--line);border-radius:10px;background:var(--trang);
  text-decoration:none;color:var(--than);font-size:.95rem}
.tc-ds a:hover{border-color:var(--vang)}
.tc-ds em{font-style:normal;color:var(--xam);font-size:.84rem;white-space:nowrap}

/* nút theo dõi dự án (khách hàng, nhà thầu) */
.nav nav a.nav-khoa{display:inline-flex;align-items:center;gap:6px;color:var(--than);font-weight:600;border:1px solid var(--than);
  border-radius:9px;padding:7px 13px}
.nav nav a.nav-khoa:hover{background:var(--than);color:#fff;border-bottom:1px solid var(--than)}
.khach-cu{margin:26px 0 0;background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 26px;
  display:flex;flex-wrap:wrap;gap:18px;align-items:center}
.khach-cu .kc-chu{display:flex;gap:14px;align-items:flex-start;flex:1 1 440px;color:var(--vang)}
.khach-cu h2{margin:0 0 4px;font-size:1.02rem;font-weight:600;color:var(--than)}
.khach-cu p{margin:0;font-size:.92rem;color:var(--xam)}
.khach-cu .nut{flex:none}