:root{
  --navy:#0E264A; --navy-2:#16345f; --navy-3:#0a1c38;
  --gold:#EDC873; --gold-2:#d9ad4f;
  --grey:#E0E0E0; --bg:#f5f6f8; --text:#1d2433; --muted:#5d6678; --white:#fff;
  --radius:14px; --shadow:0 10px 30px rgba(14,38,74,.12);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
section{scroll-margin-top:78px}
body{font-family:"Be Vietnam Pro",system-ui,sans-serif;color:var(--text);background:var(--white);line-height:1.55;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1200px;margin:0 auto;padding:0 16px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:999px;font-weight:700;border:0;cursor:pointer;font-family:inherit;font-size:15px;transition:.2s}
.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold-2));color:var(--navy);box-shadow:0 6px 18px rgba(237,200,115,.35)}
.btn-gold:hover{transform:translateY(-2px)}
.btn-line{border:2px solid var(--gold);color:var(--gold);background:transparent}
.btn-line:hover{background:var(--gold);color:var(--navy)}
.sec{padding:72px 0}
.sec-title{display:flex;align-items:center;justify-content:center;gap:12px;font-size:28px;font-weight:800;text-transform:uppercase;color:var(--navy);text-align:center;margin-bottom:10px}
.sec-title svg{width:30px;height:30px;flex:none}
.sec-sub{text-align:center;color:var(--muted);max-width:640px;margin:0 auto 40px}
.on-dark .sec-title{color:#fff}.on-dark .sec-sub{color:#c9d3e6}

/* Thanh trên cùng */
.topbar{background:var(--navy);color:#fff;font-size:13px}
.topbar .wrap{display:flex;align-items:center;gap:24px;height:42px}
.ticker{flex:1;overflow:hidden;white-space:nowrap;mask-image:linear-gradient(90deg,transparent,#000 5%,#000 95%,transparent)}
.ticker span{display:inline-block;padding-left:100%;animation:tick 28s linear infinite;color:var(--gold);font-weight:600}
@keyframes tick{to{transform:translateX(-100%)}}
.top-info{display:flex;gap:22px;flex:none}
.top-info a{display:flex;align-items:center;gap:8px;line-height:1.2}
.top-info svg{width:22px;height:22px;color:var(--gold)}
.top-info small{display:block;color:#b8c4da;font-size:11px}
.top-info b{font-size:13px}

/* Header */
header{position:sticky;top:0;z-index:50;background:#fff;box-shadow:0 2px 0 var(--gold),0 6px 20px rgba(0,0,0,.05)}
header .wrap{display:flex;align-items:center;gap:22px;height:78px}
.logo img{height:54px;width:auto}
.cat{position:relative}
.cat-btn{display:flex;align-items:center;gap:10px;background:var(--bg);border:1px solid var(--grey);padding:11px 16px;border-radius:10px;font:700 15px inherit;font-family:inherit;color:var(--navy);cursor:pointer}
.cat-btn i{display:grid;grid-template-columns:1fr 1fr;gap:2px;width:14px;height:14px}
.cat-btn i b{background:var(--gold-2);border-radius:2px}
.cat-menu{position:absolute;top:calc(100% + 8px);left:0;background:#fff;min-width:260px;border-radius:12px;box-shadow:var(--shadow);padding:8px;display:none}
.cat:hover .cat-menu,.cat.open .cat-menu{display:block}
.cat-menu a{display:block;padding:10px 14px;border-radius:8px;font-weight:500}
.cat-menu a:hover{background:var(--bg);color:var(--navy)}
nav.main{margin-left:auto;display:flex;gap:4px}
nav.main a{padding:10px 14px;font-weight:600;color:var(--navy);border-radius:8px}
nav.main a:hover,nav.main a.active{color:var(--gold-2)}
.burger{display:none;margin-left:auto;background:none;border:0;cursor:pointer;padding:8px}
.burger span{display:block;width:26px;height:3px;background:var(--navy);margin:5px 0;border-radius:2px}

/* Hero slider */
.hero{position:relative;height:540px;overflow:hidden;background:var(--navy-3)}
.slide{position:absolute;inset:0;opacity:0;transition:opacity .8s;display:flex;align-items:center;
  background:radial-gradient(circle at 70% 40%,#1f4a85 0,var(--navy) 45%,var(--navy-3) 100%)}
.slide.on{opacity:1;z-index:1}
.slide::before{content:"";position:absolute;inset:0;background:
  repeating-linear-gradient(115deg,transparent 0 60px,rgba(237,200,115,.05) 60px 62px);pointer-events:none}
.slide .wrap{position:relative;display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:center;width:100%}
.slide-img{position:relative;height:460px;display:flex;justify-content:center;align-items:flex-end}
.slide-img img{height:100%;width:auto;max-width:100%;object-fit:cover;border-radius:12px;border:4px solid rgba(237,200,115,.6);box-shadow:0 30px 60px rgba(0,0,0,.45)}
.slide-img::after{content:"";position:absolute;bottom:-26px;width:80%;height:40px;background:radial-gradient(ellipse,rgba(237,200,115,.35),transparent 70%)}
.slide-txt{color:#fff}
.slide-txt .tag{display:inline-block;background:rgba(237,200,115,.15);color:var(--gold);border:1px solid rgba(237,200,115,.4);padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;margin-bottom:18px}
.slide-txt h1,.slide-txt h2{font-size:48px;line-height:1.1;font-weight:800;letter-spacing:.5px}
.slide-txt h1 em,.slide-txt h2 em{font-style:normal;color:var(--gold)}
.slide-txt p{font-size:18px;color:#d3dcec;margin:16px 0 28px;max-width:520px}
.slide-txt .btns{display:flex;gap:12px;flex-wrap:wrap}
.arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:46px;height:46px;border-radius:50%;border:0;background:rgba(255,255,255,.12);color:#fff;font-size:22px;cursor:pointer}
.arrow:hover{background:var(--gold);color:var(--navy)}
.arrow.prev{left:16px}.arrow.next{right:16px}
.dots{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);z-index:3;display:flex;gap:10px}
.dots button{width:12px;height:12px;border-radius:50%;border:2px solid #fff;background:transparent;cursor:pointer}
.dots button.on{background:var(--gold);border-color:var(--gold);width:30px;border-radius:999px}

/* Giới thiệu + con số */
.about{display:grid;grid-template-columns:1fr 1.4fr;gap:50px;align-items:center}
.about-logo{background:#fff;border-radius:20px;padding:30px;box-shadow:var(--shadow);text-align:center}
.about-logo img{margin:0 auto 18px}
.about-logo p{color:var(--muted);font-size:15px}
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.stat{background:#fff;border-radius:16px;padding:28px;box-shadow:var(--shadow);border-bottom:4px solid var(--gold);transition:.25s}
.stat:hover{transform:translateY(-4px)}
.stat b{display:block;font-size:46px;font-weight:800;color:var(--navy);line-height:1}
.stat b sup{color:var(--gold-2);font-size:30px}
.stat span{display:block;margin-top:10px;font-weight:700;text-transform:uppercase;font-size:14px;letter-spacing:.3px}
.stat small{color:var(--muted)}

/* Sản phẩm */
.products{background:var(--navy);position:relative;overflow:hidden}
.products::before,.products::after{content:"";position:absolute;bottom:0;width:240px;height:70%;opacity:.18;
  background:repeating-linear-gradient(0deg,var(--gold) 0 10px,transparent 10px 18px),repeating-linear-gradient(90deg,transparent 0 12px,var(--navy) 12px 18px);
  background-blend-mode:normal}
.products::before{left:0;clip-path:polygon(0 30%,30% 30%,30% 10%,55% 10%,55% 40%,80% 40%,80% 0,100% 0,100% 100%,0 100%)}
.products::after{right:0;clip-path:polygon(0 0,25% 0,25% 35%,50% 35%,50% 15%,75% 15%,75% 45%,100% 45%,100% 100%,0 100%)}
.grid{position:relative;z-index:1;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{background:#fff;border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:.25s}
.card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(0,0,0,.35)}
.card .ph{aspect-ratio:1/1.05;overflow:hidden;background:var(--bg)}
.card .ph img{width:100%;height:100%;object-fit:cover;transition:.4s}
.card:hover .ph img{transform:scale(1.06)}
.card .bd{padding:16px 16px 18px;display:flex;flex-direction:column;flex:1}
.card h3{font-size:16px;font-weight:700;color:var(--navy);min-height:44px}
.card .price{margin:8px 0 12px;color:var(--gold-2);font-weight:800}
.card .price small{color:var(--muted);font-weight:500}
.card .ft{margin-top:auto;display:flex;justify-content:space-between;align-items:center;font-size:13px}
.card .ft .chip{background:var(--bg);padding:4px 10px;border-radius:999px;color:var(--navy);font-weight:600}
.card .ft a{color:#2a6fd6;font-weight:600}
.center{text-align:center;margin-top:36px;position:relative;z-index:1}

/* Hình mẫu cửa */
.tabs{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:28px}
.tabs button{white-space:nowrap;border:1px solid var(--grey);background:#fff;color:var(--navy);padding:9px 18px;border-radius:999px;font:600 14px "Be Vietnam Pro",sans-serif;cursor:pointer;transition:.2s}
.tabs button:hover{border-color:var(--gold-2)}
.tabs button.on{background:var(--navy);color:var(--gold);border-color:var(--navy)}
.mau-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.mau{background:#fff;border:1px solid #eceef2;border-radius:12px;overflow:hidden;cursor:zoom-in;transition:.25s;display:flex;flex-direction:column}
.mau:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:var(--gold)}
.mau .ph{height:230px;display:grid;place-items:center;padding:12px;background:linear-gradient(#fff,#f6f7f9)}
.mau .ph img{max-height:100%;max-width:100%;object-fit:contain;transition:.4s}
.mau:hover .ph img{transform:scale(1.05)}
.mau .bd{padding:10px 12px 12px;border-top:1px solid #f0f1f4}
.mau b{display:block;color:var(--navy);font-size:14px}
.mau span{font-size:12px;color:var(--muted)}
.mau .ma{display:inline-block;margin-bottom:4px;font-size:11px;background:var(--bg);padding:2px 8px;border-radius:999px;color:var(--gold-2);font-weight:700}
.mau-note{text-align:center;color:var(--muted);font-size:13px;margin-top:22px}
.lb figcaption{color:#fff;text-align:center;margin-top:12px;font-weight:600}
.lb a.btn{margin-top:12px}

/* Bảng giá */
.price-wrap{display:grid;grid-template-columns:1.3fr 1fr;gap:30px;align-items:start}
table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
th,td{padding:12px 16px;text-align:left;border-bottom:1px solid #eef0f4;font-size:15px}
th{background:var(--navy);color:#fff;font-weight:700}
td:last-child,th:last-child{text-align:right;white-space:nowrap}
tr:nth-child(even) td{background:#fafbfc}
.note-box{background:var(--navy);color:#fff;border-radius:var(--radius);padding:28px}
.note-box h3{color:var(--gold);font-size:20px;margin-bottom:14px}
.note-box ul{list-style:none;display:grid;gap:10px}
.note-box li{padding-left:28px;position:relative;color:#dbe3f1}
.note-box li::before{content:"✓";position:absolute;left:0;top:0;width:20px;height:20px;border-radius:50%;background:var(--gold);color:var(--navy);font-size:12px;font-weight:800;display:grid;place-items:center}
.example{margin-top:18px;background:rgba(255,255,255,.07);border:1px dashed rgba(237,200,115,.5);border-radius:10px;padding:14px;font-size:14px;color:#dbe3f1}
.example b{color:var(--gold)}

/* Vì sao chọn */
.why{background:var(--bg)}
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.why-item{background:#fff;border-radius:var(--radius);padding:30px 26px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.why-item .ic{width:58px;height:58px;border-radius:14px;background:var(--navy);display:grid;place-items:center;margin-bottom:18px}
.why-item .ic svg{width:30px;height:30px;color:var(--gold)}
.why-item h3{font-size:19px;color:var(--navy);margin-bottom:8px}
.why-item p{color:var(--muted);font-size:15px}
.why-item::after{content:"";position:absolute;right:-30px;top:-30px;width:90px;height:90px;border-radius:50%;background:rgba(237,200,115,.18)}

.tem{display:grid;grid-template-columns:220px 1fr;gap:28px;align-items:center;background:var(--navy);color:#dbe3f1;border-radius:var(--radius);padding:22px;margin-top:30px}
.tem img{border-radius:10px;height:220px;width:100%;object-fit:cover}
.tem h3{color:var(--gold);font-size:20px;margin-bottom:8px}

/* Cấu tạo */
.layers{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:40px}
.layer{border-left:4px solid var(--gold);background:#fff;padding:18px;border-radius:0 12px 12px 0;box-shadow:var(--shadow)}
.layer b{color:var(--navy);display:block;margin-bottom:4px}
.layer span{color:var(--muted);font-size:14px}

/* Quy trình */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:s}
.step{text-align:center;position:relative;padding:0 6px}
.step::before{counter-increment:s;content:"0" counter(s);display:grid;place-items:center;width:74px;height:74px;margin:0 auto 16px;border-radius:50%;background:var(--navy);color:var(--gold);font-weight:800;font-size:24px;border:4px solid var(--gold);position:relative;z-index:1}
.step:not(:last-child)::after{content:"";position:absolute;top:37px;left:calc(50% + 40px);right:calc(-50% + 40px);height:2px;background:repeating-linear-gradient(90deg,var(--gold) 0 8px,transparent 8px 14px)}
.step h3{font-size:16px;color:var(--navy);margin-bottom:6px}
.step p{font-size:14px;color:var(--muted)}

/* Công trình */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:220px;gap:14px}
.gallery figure{position:relative;overflow:hidden;border-radius:12px;cursor:zoom-in}
.gallery figure:nth-child(1){grid-row:span 2}
.gallery figure:nth-child(4){grid-row:span 2}
.gallery img{width:100%;height:100%;object-fit:cover;transition:.4s}
.gallery figure:hover img{transform:scale(1.07)}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:30px 14px 12px;color:#fff;font-size:14px;font-weight:600;background:linear-gradient(transparent,rgba(10,28,56,.85))}
.areas{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:30px}
.areas span{background:var(--bg);border:1px solid var(--grey);padding:6px 14px;border-radius:999px;font-size:14px;color:var(--navy);font-weight:500}

/* Lời khen */
.reviews{background:linear-gradient(135deg,var(--navy),var(--navy-3))}
.rv-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.rv{background:rgba(255,255,255,.06);border:1px solid rgba(237,200,115,.25);border-radius:var(--radius);padding:30px;color:#e3e9f4}
.rv .q{font-size:50px;line-height:.6;color:var(--gold);font-family:Georgia,serif}
.rv p{margin:10px 0 18px;font-size:16px}
.rv .who{display:flex;align-items:center;gap:12px}
.rv .av{width:46px;height:46px;border-radius:50%;background:var(--gold);color:var(--navy);display:grid;place-items:center;font-weight:800}
.rv .who b{color:#fff;display:block}
.rv .who small{color:#aebbd3}
.mini-rv{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:26px}
.mini-rv span{background:rgba(255,255,255,.08);color:#e3e9f4;border-radius:999px;padding:8px 16px;font-size:14px}
.mini-rv span b{color:var(--gold)}

/* Form */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.contact h2{font-size:32px;color:var(--navy);line-height:1.2;margin-bottom:14px}
.contact h2 em{font-style:normal;color:var(--gold-2)}
.contact .lead{color:var(--muted);margin-bottom:22px}
.contact ul{list-style:none;display:grid;gap:14px}
.contact li{display:flex;gap:12px;align-items:flex-start}
.contact li svg{width:22px;height:22px;color:var(--gold-2);flex:none;margin-top:2px}
form{background:#fff;border-radius:20px;padding:32px;box-shadow:var(--shadow);border-top:5px solid var(--gold)}
form h3{color:var(--navy);font-size:22px;margin-bottom:18px}
.fld{margin-bottom:14px}
.fld label{display:block;font-size:14px;font-weight:600;margin-bottom:6px;color:var(--navy)}
.fld input,.fld select,.fld textarea{width:100%;padding:12px 14px;border:1px solid #d6dbe4;border-radius:10px;font:inherit;font-size:15px;background:#fbfcfd}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:2px solid var(--gold);border-color:var(--gold)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
form .btn{width:100%;justify-content:center;margin-top:6px}
.ok{display:none;margin-top:14px;background:#eaf7ee;color:#1e6b39;padding:12px;border-radius:10px;font-size:14px}

/* Footer */
footer{background:var(--navy-3);color:#b8c4da;padding:60px 0 0;font-size:15px}
.ft-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.ft-logo{background:#fff;border-radius:12px;padding:12px 16px;display:inline-block;margin-bottom:16px}
.ft-logo img{height:46px}
footer h4{color:var(--gold);font-size:16px;margin-bottom:14px;text-transform:uppercase}
footer ul{list-style:none;display:grid;gap:9px}
footer a:hover{color:var(--gold)}
.social{display:flex;gap:10px;margin-top:16px}
.social a{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.08);display:grid;place-items:center;color:#fff;font-weight:700;font-size:14px}
.social a:hover{background:var(--gold);color:var(--navy)}
.copy{border-top:1px solid rgba(255,255,255,.08);margin-top:44px;padding:18px 0;text-align:center;font-size:13px}

/* Nút nổi */
.float{position:fixed;right:18px;top:50%;transform:translateY(-50%);z-index:60;display:flex;flex-direction:column;gap:12px}
.float a{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:800;font-size:13px;box-shadow:0 6px 16px rgba(0,0,0,.25);border:3px solid #fff}
.float .zalo{background:#0068ff}
.float .fb{background:#1877f2;font-size:22px;font-family:Arial}
.float .call{background:var(--gold-2);animation:ring 1.6s infinite}
.float svg{width:24px;height:24px}
@keyframes ring{0%,100%{box-shadow:0 0 0 0 rgba(217,173,79,.6)}70%{box-shadow:0 0 0 14px rgba(217,173,79,0)}}
.totop{position:fixed;right:18px;bottom:110px;z-index:60;width:44px;height:44px;border:0;border-radius:10px;background:var(--navy);color:var(--gold);font-size:20px;cursor:pointer;opacity:0;pointer-events:none;transition:.3s}
.totop.show{opacity:1;pointer-events:auto}
.support{position:fixed;right:18px;bottom:20px;z-index:60;display:flex;align-items:center;gap:10px;background:var(--navy);color:#fff;padding:10px 18px 10px 10px;border-radius:999px;box-shadow:0 10px 26px rgba(0,0,0,.3);border:2px solid var(--gold)}
.support .av{width:44px;height:44px;border-radius:50%;background:var(--gold);display:grid;place-items:center}
.support .av svg{width:24px;height:24px;color:var(--navy)}
.support b{display:block;color:var(--gold);font-size:16px;line-height:1.1}
.support small{font-size:12px;color:#c9d3e6}

/* Lightbox */
.lb{position:fixed;inset:0;background:rgba(5,14,30,.92);z-index:100;display:none;place-items:center;padding:20px;cursor:zoom-out}
.lb.on{display:grid}
.lb img{max-height:90vh;border-radius:10px}

.reveal{opacity:0;transform:translateY(24px);transition:.7s}
.reveal.in{opacity:1;transform:none}

/* Điện thoại, máy tính bảng */
@media (max-width:1024px){
  nav.main a{padding:10px 8px;font-size:14px}
  .grid{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:repeat(3,1fr);row-gap:30px}
  .step::after{display:none}
  .layers{grid-template-columns:repeat(2,1fr)}
  .ft-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .top-info .hide-m{display:none}
  .cat{display:none}
  nav.main{display:none;position:absolute;top:78px;left:0;right:0;background:#fff;flex-direction:column;padding:10px 16px;box-shadow:var(--shadow)}
  nav.main.open{display:flex}
  .burger{display:block}
  .hero{height:auto;min-height:700px}
  .slide .wrap{grid-template-columns:1fr;gap:20px;padding-top:30px;padding-bottom:70px}
  .slide-img{height:260px;order:-1}
  .slide-txt{text-align:center}
  .slide-txt p{margin-left:auto;margin-right:auto}
  .slide-txt .btns{justify-content:center}
  .slide-txt h1,.slide-txt h2{font-size:32px}
  .about,.price-wrap,.contact{grid-template-columns:1fr}
  .why-grid{grid-template-columns:1fr}
  .rv-grid{grid-template-columns:1fr}
  .gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:180px}
  .mau-grid{grid-template-columns:repeat(3,1fr)}
  .tem{grid-template-columns:1fr}
  .arrow{display:none}
}
@media (max-width:560px){
  .topbar .ticker{display:none}
  .top-info{width:100%;justify-content:space-between}
  .sec{padding:52px 0}
  .sec-title{font-size:22px}
  .grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .card h3{font-size:14px}
  .card .bd{padding:12px}
  .card .ft .chip{display:none}
  .stats{grid-template-columns:1fr 1fr;gap:12px}
  .stat{padding:18px}.stat b{font-size:34px}
  .steps{grid-template-columns:1fr 1fr}
  .layers{grid-template-columns:1fr}
  .ft-grid{grid-template-columns:1fr}
  .row2{grid-template-columns:1fr}
  .mau-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .mau .ph{height:180px}
  .tabs{flex-wrap:nowrap;overflow-x:auto;justify-content:flex-start;padding-bottom:6px}
  .tabs button{flex:none}
  th,td{padding:10px;font-size:14px}
  .support small{display:none}
  .float{top:auto;bottom:170px;transform:none}
  .float a{width:46px;height:46px}
  .logo img{height:44px}
}

/* ===== Banner trang chủ kiểu bục trưng bày ===== */
.slide.bn{display:block;background:radial-gradient(ellipse at 30% 60%,#1d4a86 0,var(--navy) 50%,var(--navy-3) 100%);overflow:hidden}
.bn-ribbon{position:absolute;inset:0;pointer-events:none;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 540' preserveAspectRatio='none'%3E%3Cpath d='M-20 470 C 300 360 520 560 820 440 S 1260 300 1460 380' fill='none' stroke='%23EDC873' stroke-opacity='.55' stroke-width='3'/%3E%3Cpath d='M-20 500 C 320 400 560 590 860 470 S 1280 340 1460 420' fill='none' stroke='%23ffffff' stroke-opacity='.25' stroke-width='14'/%3E%3Cpath d='M-20 520 C 340 430 600 600 900 500 S 1300 380 1460 450' fill='none' stroke='%23EDC873' stroke-opacity='.3' stroke-width='2'/%3E%3C/svg%3E") center/100% 100% no-repeat}
.bn-ribbon::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(237,200,115,.5) 1px,transparent 1.5px);background-size:46px 46px;opacity:.35}
.bn-doors{position:absolute;left:3%;bottom:44px;width:55%;height:80%;display:flex;align-items:flex-end;justify-content:center;gap:1.5%}
.bn-doors figure{position:relative;display:flex;justify-content:center;align-items:flex-end}
.bn-doors figure::after{content:"";position:absolute;z-index:-1;bottom:-30px;left:-10%;right:-10%;height:48px;border-radius:50%;background:linear-gradient(#f4f6fa,#b9c3d4);box-shadow:0 10px 0 #8d9ab0,0 24px 40px rgba(0,0,0,.5)}
.bn-doors img{max-height:100%;filter:drop-shadow(0 18px 24px rgba(0,0,0,.45))}
.bn-doors .d-l{height:70%;flex:1.3}.bn-doors .d-c{height:92%;flex:1.9;z-index:1}.bn-doors .d-r{height:76%;flex:.8}
.bn-doors .d-l img,.bn-doors .d-c img,.bn-doors .d-r img{height:100%;width:auto;object-fit:contain}
.bn-txt{position:absolute;right:5%;top:50%;transform:translateY(-55%);text-align:center;color:#fff;width:40%}
.bn-txt h1,.bn-txt h2{font-family:"Cormorant Garamond",Georgia,serif;font-weight:600;font-size:64px;letter-spacing:3px;line-height:1}
.bn-txt h1 span,.bn-txt h2 span{color:var(--gold)}
.bn-txt .script{font-family:"Great Vibes",cursive;font-size:44px;color:var(--gold);margin:10px 0 18px}
.bn-txt .sub{color:#cfd8e8;margin:-6px 0 20px;font-size:15px}
.bn-btn{display:inline-block;padding:14px 38px;border-radius:999px;font-weight:800;font-size:22px;letter-spacing:1px;color:#fff;background:linear-gradient(#3a4150,#0d1119);border:3px solid #e8ecf3;box-shadow:0 8px 24px rgba(0,0,0,.4),inset 0 2px 0 rgba(255,255,255,.25);transition:.2s}
.bn-btn:hover{transform:translateY(-2px);border-color:var(--gold);color:var(--gold)}

/* ===== Trang con ===== */
.crumb{background:#fff;border-bottom:1px solid #eceef2;font-size:14px}
.crumb .wrap{padding-top:12px;padding-bottom:12px}
.crumb a{color:var(--navy);font-weight:500}.crumb a:hover{color:var(--gold-2)}
.crumb span{color:var(--muted)}
.page{background:var(--bg);padding:36px 0 64px}
.box{background:#fff;border-radius:16px;padding:24px;box-shadow:0 2px 12px rgba(14,38,74,.05)}
.box-title{font-size:20px;font-weight:800;text-transform:uppercase;color:var(--navy);padding-bottom:12px;border-bottom:2px solid var(--gold);margin-bottom:22px}
.box-title em{font-style:normal;color:var(--gold-2)}
.box+.box{margin-top:26px}
.h-title{display:flex;align-items:center;gap:12px;font-size:30px;font-weight:800;color:var(--navy);text-transform:uppercase;margin-bottom:28px}
.h-title em{font-style:normal;color:var(--gold-2)}
.h-title svg{width:40px;height:40px;flex:none}

/* Lưới tin / dự án: 1 lớn + danh sách */
.feat{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.feat-main a{display:block}
.feat-main .im{aspect-ratio:16/10;overflow:hidden;border-radius:10px}
.feat-main img{width:100%;height:100%;object-fit:cover;transition:.4s}
.feat-main a:hover img{transform:scale(1.04)}
.feat-main h3{font-size:18px;color:var(--navy);margin:14px 0 6px}
.feat-main p{color:var(--muted);font-size:15px}
.feat-sub{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:20px}
.feat-sub .im{aspect-ratio:16/10;overflow:hidden;border-radius:8px}
.feat-sub img{width:100%;height:100%;object-fit:cover}
.feat-sub h4{font-size:15px;color:var(--navy);margin-top:8px}
.feat-list{display:grid;gap:18px;align-content:start}
.feat-list a{display:grid;grid-template-columns:200px 1fr;gap:18px;align-items:start}
.feat-list .im{aspect-ratio:16/10;overflow:hidden;border-radius:8px}
.feat-list img{width:100%;height:100%;object-fit:cover;transition:.4s}
.feat-list a:hover img{transform:scale(1.06)}
.feat-list h4{font-size:15px;color:var(--navy);line-height:1.45}
.feat-list small{display:block;color:var(--muted);margin-top:6px;font-size:13px}
.feat a:hover h3,.feat a:hover h4{color:var(--gold-2)}
.tag-mini{display:inline-block;font-size:11px;font-weight:700;color:var(--gold-2);background:var(--bg);border-radius:999px;padding:2px 9px;margin-bottom:6px}

/* Bài viết */
.art-grid{display:grid;grid-template-columns:280px 1fr 280px;gap:24px;align-items:start}
.side h3{background:linear-gradient(135deg,var(--navy),var(--navy-2));color:var(--gold);font-size:15px;text-transform:uppercase;padding:14px 16px;border-radius:12px 12px 0 0;margin:-24px -24px 14px}
.side ul{list-style:none}
.side li{padding:10px 0 10px 16px;border-bottom:1px solid #eef0f4;position:relative;font-size:15px}
.side li:last-child{border:0}
.side li::before{content:"";position:absolute;left:0;top:17px;border:5px solid transparent;border-left-color:var(--gold-2)}
.side li a:hover{color:var(--gold-2)}
.side.box+.side.box{margin-top:22px}
.toc{position:sticky;top:96px}
.toc h3{font-size:16px;text-transform:uppercase;color:var(--navy);margin-bottom:10px}
.toc ol{list-style:none;counter-reset:t;font-style:italic;font-size:14px}
.toc li{margin:8px 0}.toc li.sub{padding-left:14px}
.toc a:hover{color:var(--gold-2)}
article.box h1{font-size:24px;color:var(--navy);line-height:1.3}
article .by{color:var(--muted);font-size:14px;margin:8px 0 18px}
article h2{font-size:20px;color:var(--navy);margin:26px 0 10px;scroll-margin-top:96px}
article h3{font-size:17px;color:var(--navy);margin:18px 0 8px;scroll-margin-top:96px}
article p,article li{text-align:justify;margin-bottom:10px}
article ul,article ol{padding-left:22px;margin-bottom:12px}
article figure{margin:16px 0}
article figure img{border-radius:10px;width:100%}
article figcaption{text-align:center;color:var(--muted);font-size:13px;margin-top:6px;font-style:italic}
article table{margin:12px 0 16px;box-shadow:none;border:1px solid #e6e9ef}
article .note{background:#fff8e6;border-left:4px solid var(--gold);padding:12px 16px;border-radius:0 8px 8px 0;font-size:14px;color:#6b5a2c}
article .cta{background:var(--navy);color:#fff;border-radius:12px;padding:20px;margin-top:22px;text-align:center}
article .cta b{color:var(--gold)}
article a.inl{color:var(--gold-2);font-weight:600}

/* Báo giá */
.quote-wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;background:linear-gradient(120deg,#fff 0,#f2f5fa 100%);border-radius:20px;padding:40px;position:relative;overflow:hidden}
.quote-wrap::before{content:"";position:absolute;right:-120px;top:-120px;width:520px;height:520px;border-radius:50%;border:60px solid rgba(237,200,115,.12)}
.quote-wrap form{border:1px solid var(--gold);border-top:5px solid var(--gold)}
.quote-wrap form h3{text-align:center;text-transform:uppercase;color:var(--navy)}
.area{position:relative;text-align:center}
.area h3{font-style:italic;font-weight:500;color:var(--navy);font-size:20px}
.area h3 b{font-style:normal;color:var(--gold-2);font-size:28px;font-weight:800}
.area h4{font-size:24px;color:var(--navy);text-transform:uppercase;margin:4px 0 18px}
.area .doors{display:flex;justify-content:center;align-items:flex-end;gap:6px;height:220px}
.area .doors img{height:100%;width:auto;filter:drop-shadow(0 10px 14px rgba(0,0,0,.25))}
.area .doors img:nth-child(odd){height:82%}
.area .chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:22px}
.area .chips span{background:#fff;border:1px solid var(--grey);padding:6px 12px;border-radius:999px;font-size:13px;color:var(--navy);font-weight:600}

/* Giới thiệu: dòng thời gian */
.tl{display:grid;grid-template-columns:1fr 1.2fr 220px;gap:30px;align-items:start}
.tl-img{border-radius:12px;overflow:hidden;aspect-ratio:16/9}
.tl-img img{width:100%;height:100%;object-fit:cover}
.tl-body{position:relative;padding-top:20px;min-height:220px}
.tl-body .yr{position:absolute;top:-6px;left:0;font-size:72px;font-weight:800;color:rgba(237,200,115,.35);line-height:1;z-index:0}
.tl-body h3{position:relative;font-size:20px;color:var(--navy);margin:20px 0 10px}
.tl-body p{position:relative;color:var(--text)}
.tl-years{list-style:none;border-left:2px dashed var(--grey);padding-left:18px}
.tl-years li{position:relative;padding:8px 0;font-size:24px;color:var(--muted);cursor:pointer;transition:.2s}
.tl-years li::before{content:"";position:absolute;left:-26px;top:20px;width:12px;height:12px;border-radius:50%;background:var(--muted)}
.tl-years li.on{color:var(--navy);font-size:30px;font-weight:800}
.tl-years li.on::before{background:var(--gold-2);box-shadow:0 0 0 4px rgba(217,173,79,.3)}
.tl-years li small{display:block;font-size:12px;font-weight:600;color:var(--gold-2)}
.val-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.val{background:#fff;border-radius:14px;padding:26px;box-shadow:var(--shadow);border-top:4px solid var(--gold)}
.val h3{color:var(--navy);margin-bottom:8px}
.val p{color:var(--muted)}
.strip{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:30px}
.strip img{border-radius:10px;aspect-ratio:3/4;object-fit:cover;width:100%}
.strip img:nth-child(even){margin-top:30px}

/* Liên hệ */
.ct-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:40px;align-items:start}
.ct-info h2{font-size:22px;text-transform:uppercase;color:var(--navy);margin-bottom:12px}
.ct-info h3{color:var(--gold-2);text-transform:uppercase;font-size:17px;margin-bottom:16px}
.ct-info p{display:flex;gap:10px;margin-bottom:14px}
.ct-info p svg{width:20px;height:20px;color:var(--gold-2);flex:none;margin-top:3px}
.map{border-radius:20px;overflow:hidden;box-shadow:var(--shadow);height:380px}
.map iframe{width:100%;height:100%;border:0}
.ct-band{background:linear-gradient(135deg,var(--navy),var(--navy-3));padding:60px 0;margin-top:50px}
.ct-band form{max-width:620px;margin:0 auto}
.ct-band form h3{text-align:center;text-transform:uppercase}

@media (max-width:1024px){
  .art-grid{grid-template-columns:1fr 260px}
  .art-grid .side-l{display:none}
  .tl{grid-template-columns:1fr 1fr}
  .tl-years{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:4px 18px;border:0;padding:0}
  .tl-years li::before{display:none}
}
@media (max-width:860px){
  .slide.bn{min-height:700px}
  .bn-doors{left:4%;right:4%;width:auto;top:300px;bottom:70px;height:auto}
  .bn-txt{left:16px;right:16px;width:auto;top:30px;transform:none}
  .bn-txt h1,.bn-txt h2{font-size:40px}
  .bn-txt .script{font-size:32px}
  .bn-btn{font-size:17px;padding:11px 28px}
  .feat,.quote-wrap,.ct-grid,.art-grid,.tl{grid-template-columns:1fr}
  .toc{position:static;order:-1}
  .val-grid{grid-template-columns:1fr}
  .strip{grid-template-columns:repeat(3,1fr)}
  .strip img:nth-child(n+4){display:none}
  .quote-wrap{padding:20px}
}
@media (max-width:560px){
  .feat-list a{grid-template-columns:120px 1fr;gap:12px}
  .h-title{font-size:22px}
  .h-title svg{width:30px;height:30px}
  .tl-body .yr{font-size:54px}
  .area .doors{height:150px}
}
/* Khối liên hệ nhanh */
.call-band{background:radial-gradient(circle at 20% 30%,#1d4a86 0,var(--navy) 55%,var(--navy-3) 100%);padding:56px 0;text-align:center;position:relative;overflow:hidden}
.call-band::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(237,200,115,.55) 2px,transparent 3px);background-size:80px 80px;opacity:.25}
.call-band h2{position:relative;color:#fff;font-size:34px;text-transform:uppercase;margin-bottom:26px}
.cb-btns{position:relative;display:flex;flex-wrap:wrap;gap:16px;justify-content:center}
.cb{background:#fff;border-radius:999px;padding:12px 26px;font-weight:700;color:var(--navy);border:3px solid transparent;transition:.2s;font-size:17px}
.cb b{color:var(--gold-2);font-size:22px}
.cb.zalo{color:#0068ff;border-color:#0068ff}.cb.fb{color:#1877f2;border-color:#1877f2}
.cb:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(0,0,0,.3)}
/* Khách hàng dự án */
.pj{background:var(--bg);border-left:4px solid var(--gold);border-radius:0 10px 10px 0;padding:14px 16px}
.pj b{display:block;color:var(--navy);margin-bottom:4px}
.pj span{color:var(--muted);font-size:14px}
/* Catalog online */
.cat-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.cc{border:1px solid #dfe3ea;border-radius:12px;padding:16px;text-align:center;transition:.25s;background:#fff}
.cc:hover{box-shadow:var(--shadow);border-color:var(--gold)}
.cv{aspect-ratio:16/11;overflow:hidden;border-radius:6px;background:var(--bg)}
.cv img{width:100%;height:100%;object-fit:cover}
.cc h3{color:var(--navy);font-size:17px;margin:16px 0 14px;min-height:44px}
.cbtn{background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff;border:0;border-radius:999px;padding:11px 30px;font:600 16px "Be Vietnam Pro",sans-serif;cursor:pointer}
.cbtn:hover{color:var(--gold)}
.viewer{position:fixed;inset:0;background:rgba(5,14,30,.95);z-index:120;display:none;align-items:center;justify-content:center;padding:60px 70px 20px}
.viewer.on{display:flex}
.viewer img{max-width:100%;max-height:100%;border-radius:6px;box-shadow:0 20px 50px rgba(0,0,0,.5)}
.vbar{position:absolute;top:0;left:0;right:0;height:52px;display:flex;align-items:center;gap:16px;padding:0 16px;color:#fff;background:rgba(0,0,0,.3)}
.vbar b{color:var(--gold);flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.vbar button{background:none;border:0;color:#fff;font-size:22px;cursor:pointer}
.vnav{position:absolute;top:50%;transform:translateY(-50%);width:50px;height:50px;border-radius:50%;border:0;background:rgba(255,255,255,.15);color:#fff;font-size:28px;cursor:pointer}
.vnav:hover{background:var(--gold);color:var(--navy)}
.vprev{left:10px}.vnext{right:10px}
nav.main a{padding:10px 11px}
@media (max-width:1200px){nav.main a{padding:10px 7px;font-size:14px}}
@media (max-width:860px){.cat-cards{grid-template-columns:1fr}.call-band h2{font-size:24px}.viewer{padding:60px 8px 20px}.vnav{width:40px;height:40px}}
.bn-txt h1,.bn-txt h2{white-space:nowrap;font-size:clamp(34px,4.4vw,64px)}

/* Mã QR Zalo */
.ft-qr{display:inline-flex;align-items:center;gap:12px;margin-top:14px;background:#fff;border-radius:12px;padding:8px 14px 8px 8px;color:var(--navy)!important}
.ft-qr img{width:96px;height:96px}
.ft-qr span{font-weight:700;font-size:14px;line-height:1.3}
.ct-qr{display:flex;gap:18px;align-items:center;margin-top:20px;background:var(--bg);border:1px solid var(--grey);border-left:4px solid var(--gold);border-radius:12px;padding:14px}
.ct-qr img{width:140px;height:140px;flex:none;border-radius:8px;background:#fff}
.ct-qr b{display:block;color:var(--navy);font-size:17px;margin-bottom:6px}
.ct-qr span{display:block;color:var(--muted);font-size:14px;margin-bottom:8px}
.ct-qr a{color:var(--gold-2);font-weight:700}