*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Microsoft YaHei","Segoe UI",Arial,sans-serif;color:#222;line-height:1.8;background:#fff}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.topbar{background:#1F3864;color:#fff;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:36px}
.topbar a{opacity:.85;margin-left:18px}
.topbar a:hover{opacity:1}
header{background:#fff;border-bottom:1px solid #e5e5e5}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:88px;gap:20px}
.logo{display:flex;align-items:center;gap:14px}
.logo img{height:58px;width:auto}
nav{display:flex;align-items:center;gap:18px;flex-wrap:nowrap}
nav a{font-size:14px;letter-spacing:0;color:#333;padding:6px 2px;white-space:nowrap}
nav a:hover,nav a.on{color:#AA8C3C;border-bottom:2px solid #AA8C3C}
.lang{font-size:13px;border:1px solid #AA8C3C;color:#AA8C3C;padding:5px 12px;border-radius:3px;white-space:nowrap}
.hero{background:linear-gradient(135deg,#22406f 0%,#1a3460 48%,#12294c 100%);color:#fff;padding:96px 0 100px;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;right:-140px;top:-160px;width:560px;height:560px;border-radius:50%;background:radial-gradient(circle,rgba(170,140,60,.20),transparent 68%)}
.hero:after{content:"";position:absolute;left:-90px;bottom:-220px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.06),transparent 70%)}
.hero .wrap{position:relative;z-index:2}
.hero h1{font-size:42px;font-weight:600;line-height:1.32;margin-bottom:18px;letter-spacing:.5px}
.hero h1 em{font-style:normal;color:#d9bd6a}
.hero p{font-size:17px;opacity:.9;margin-bottom:32px;letter-spacing:.3px}
.hero-line{width:56px;height:3px;background:#AA8C3C;margin-bottom:22px;border-radius:2px}
.hero-stats{display:flex;flex-wrap:wrap;gap:54px;margin-top:46px;padding-top:28px;border-top:1px solid rgba(255,255,255,.15)}
.hero-stats b{display:block;font-size:30px;font-weight:600;color:#d9bd6a;letter-spacing:.5px;margin-bottom:4px}
.hero-stats span{font-size:13px;opacity:.78;letter-spacing:.3px}
.btn{display:inline-block;padding:13px 34px;border-radius:6px;font-size:15px;margin-right:14px;transition:.2s}
.btn-gold{background:linear-gradient(135deg,#c2a354,#AA8C3C);color:#fff;box-shadow:0 6px 16px rgba(170,140,60,.28)}
.btn-gold:hover{box-shadow:0 10px 22px rgba(170,140,60,.36);transform:translateY(-1px)}
.btn-line{border:1px solid rgba(255,255,255,.55);color:#fff}
.btn-line:hover{background:rgba(255,255,255,.12)}
section{padding:64px 0}
.sec-t{font-size:28px;font-weight:600;text-align:center;letter-spacing:.5px}
.sec-t:after{content:"";display:block;width:52px;height:3px;background:#AA8C3C;margin:14px auto 0;border-radius:2px}
.sec-d{text-align:center;color:#7b7b7b;font-size:14px;margin:12px 0 38px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{border:1px solid #ececec;background:#fff;border-radius:12px;overflow:hidden;transition:.25s}
.card:hover{transform:translateY(-5px);box-shadow:0 14px 30px rgba(26,52,96,.14);border-color:#dcc79a}
.card .pic{position:relative;height:0;padding-bottom:75%;overflow:hidden;background:linear-gradient(180deg,#fbfcfd,#f3f5f8)}
.card .pic img{position:absolute;left:0;top:0;width:100%;height:100%;object-fit:contain;padding:14px;box-sizing:border-box;transition:.35s}
.card:hover .pic img{transform:scale(1.05)}
.card .txt{padding:16px 18px 20px}
.card .txt h4{font-size:15.5px;font-weight:600;margin-bottom:8px;line-height:1.5}
.card .txt .cat{font-size:12px;color:#AA8C3C;letter-spacing:.5px}
.more{text-align:center;margin-top:34px}
.more a{border:1px solid #AA8C3C;color:#AA8C3C;padding:12px 38px;font-size:14.5px;border-radius:6px;transition:.2s}
.adv{background:#fafafa}
.adv .grid3 .item h4{font-size:17px;font-weight:500;margin-bottom:8px}
.adv .grid3 .item p{font-size:14px;color:#666}
.qual{display:flex;gap:40px;align-items:center;background:#fafafa}
.qual img{width:190px;flex:0 0 190px}
.qual .txt h4{font-size:19px;font-weight:500;margin-bottom:12px}
.qual .txt p{font-size:14px;color:#666;margin-bottom:10px}
.filters{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:30px}
.filters a{font-size:13px;border:1px solid #ddd;padding:6px 16px;border-radius:20px;color:#555}
.filters a.on{background:#1F3864;border-color:#1F3864;color:#fff}
.crumb{font-size:13px;color:#888;padding:18px 0}
.crumb a{color:#888}
.detail-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;margin-bottom:44px}
.detail-grid .pic{border:1px solid #eceff3;background:linear-gradient(180deg,#fbfcfd,#f4f6f9);border-radius:12px;padding:16px}
.detail-grid .pic img{width:100%;aspect-ratio:4/3;object-fit:contain}
.detail-grid h1{font-size:26px;font-weight:500;margin-bottom:10px}
.detail-grid .cat{color:#AA8C3C;font-size:13px;margin-bottom:14px}
.detail-grid .desc{font-size:14px;color:#555;margin-bottom:20px}
.btn-inq{display:inline-block;background:linear-gradient(135deg,#c2a354,#AA8C3C);color:#fff;padding:12px 32px;font-size:14.5px;border-radius:6px;box-shadow:0 6px 16px rgba(170,140,60,.26)}
.content h3{font-size:18px;font-weight:500;margin:28px 0 12px;padding-left:12px;border-left:4px solid #AA8C3C;line-height:1.5}
.content p{font-size:14.5px;color:#444;margin-bottom:12px;line-height:1.85}
.content ul{margin:0 0 14px 22px}
.content li{font-size:14.5px;color:#444;margin-bottom:7px;line-height:1.8}
.tbl{overflow-x:auto;margin:12px 0 20px}
.tbl table{border-collapse:collapse;width:100%;font-size:14px}
.tbl th,.tbl td{border:1px solid #e3e3e3;padding:9px 12px;text-align:left}
.tbl th{background:#f5f5f5;font-weight:500}
.rel{background:#fafafa}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:18px 0 40px}
.gallery img{width:100%;aspect-ratio:4/3;object-fit:contain;background:#fbfcfd;border:1px solid #eceff3;border-radius:10px;padding:10px;box-sizing:border-box}
.vidbox{margin:18px 0 30px}
.vid-t{font-weight:700;font-size:15px;color:#8a6f28;border-left:4px solid #AA8C3C;padding-left:10px;margin-bottom:12px}
video{width:100%;display:block;background:#000;border-radius:10px;max-height:520px}
.model{display:inline-block;margin:10px 0 4px;padding:6px 13px;background:#fbf7ee;border:1px solid #ecdcbe;color:#8a6f28;font-weight:700;font-size:14px;border-radius:6px;letter-spacing:.3px}
.news-item{border:1px solid #e8e8e8;padding:18px 20px}
.news-item h4{font-size:16px;font-weight:500;margin-bottom:8px;line-height:1.6}
.news-item p{font-size:13.5px;color:#666}
.partners{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.partners span{border:1px solid #e3e3e3;padding:8px 18px;font-size:13px;color:#555;background:#fff}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px}
.contact-grid .info p{font-size:15px;margin-bottom:12px}
.contact-grid .info b{font-weight:500;color:#1F3864;display:inline-block;width:80px}
.form input,.form textarea{width:100%;border:1px solid #ddd;padding:10px 12px;font-size:14px;margin-bottom:14px;font-family:inherit}
.form textarea{height:110px;resize:vertical}
.form button{background:linear-gradient(135deg,#c2a354,#AA8C3C);color:#fff;border:0;padding:13px 36px;font-size:15px;cursor:pointer;border-radius:6px}
footer{background:#1F3864;color:#c9cfda;padding:40px 0 24px;font-size:13.5px}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:24px}
footer h5{color:#fff;font-size:15px;font-weight:500;margin-bottom:12px}
footer p{margin-bottom:6px}
footer .bot{border-top:1px solid rgba(255,255,255,.15);margin-top:26px;padding-top:16px;text-align:center;font-size:12.5px;color:#8f9bb0}
.topbar .tb-zalo{display:inline-flex;align-items:center;gap:6px;color:#c9cfda}
.topbar .tb-zalo svg{width:18px;height:18px}
.zl{display:inline-flex;align-items:center;gap:7px;color:#0068FF}
.zl svg{width:20px;height:20px}
footer .fz a{display:inline-flex;align-items:center;gap:7px}
footer .fz svg{width:20px;height:20px}
.zalo-card{display:flex;gap:18px;align-items:center;margin-top:22px;padding:16px;border:1px solid #e3e3e3;background:#fafbfd;border-radius:4px}
.zalo-card img{width:150px;height:150px;border:1px solid #eee;background:#fff;flex:none}
.zalo-card b{display:block;font-size:16px;font-weight:500;color:#1F3864;margin-bottom:6px}
.zalo-card p{font-size:13.5px;color:#666;margin-bottom:12px}
.zalo-card .btn-inq{display:inline-block}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.btn-zalo{display:inline-flex;align-items:center;gap:8px;background:#0068FF;color:#fff;font-size:15px;padding:11px 26px;border-radius:3px}
.btn-zalo svg{width:26px;height:26px}
.zalo-float{position:fixed;right:24px;bottom:28px;z-index:9999;display:flex;flex-direction:column;align-items:flex-end;gap:12px}
.zalo-btn{width:58px;height:58px;border-radius:50%;background:#fff;box-shadow:0 8px 22px rgba(0,0,0,.18);display:flex;align-items:center;justify-content:center}
.zalo-btn svg{width:46px;height:46px}
.zalo-pop{opacity:0;visibility:hidden;transform:translateY(10px);transition:.22s;background:#fff;border:1px solid #e6e6e6;box-shadow:0 10px 30px rgba(0,0,0,.16);padding:14px;text-align:center;border-radius:4px}
.zalo-float:hover .zalo-pop,.zalo-float:focus-within .zalo-pop{opacity:1;visibility:visible;transform:translateY(0)}
.zalo-pop b{display:block;font-size:13.5px;font-weight:500;color:#1F3864;margin-bottom:10px}
.zalo-pop img{width:150px;height:150px;margin:0 auto 10px}
.zalo-pop a{font-size:13px;color:#0068FF}
@media(max-width:900px){.grid,.grid3,.gallery{grid-template-columns:repeat(2,1fr)}.detail-grid,.contact-grid{grid-template-columns:1fr}.qual{flex-direction:column}.hero{padding:64px 0 60px}.hero h1{font-size:30px}.hero-stats{gap:24px}.hero-stats b{font-size:23px}}
@media(max-width:900px){.zalo-float{right:14px;bottom:16px}.zalo-btn{width:52px;height:52px}.zalo-btn svg{width:40px;height:40px}.zalo-pop{display:none}.zalo-card{flex-direction:column;align-items:flex-start}}