:root{
  --primary:#0a7d55; --primary-dark:#075c3f; --primary-light:#e6f4ee;
  --dark:#0e1b2c; --dark-2:#13253c; --text:#2b3440; --muted:#5f6b7a;
  --gold:#d9a441; --bg:#ffffff; --bg-soft:#f4f7f9; --line:#e3e9ee;
  --shadow:0 10px 30px rgba(14,27,44,.08); --shadow-lg:0 20px 50px rgba(14,27,44,.14);
  --radius:14px; --max:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Be Vietnam Pro',-apple-system,'Segoe UI',Roboto,Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.7;font-size:16px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.container{max-width:var(--max);margin:0 auto;padding:0 22px}
h1,h2,h3,h4{line-height:1.3;color:var(--dark);font-weight:700}
h1{font-size:2.4rem}h2{font-size:2rem}h3{font-size:1.25rem}
.section{padding:78px 0}
.section.soft{background:var(--bg-soft)}
.sec-head{max-width:760px;margin:0 auto 46px;text-align:center}
.sec-head .kicker{display:inline-block;color:var(--primary);font-weight:600;letter-spacing:2.5px;text-transform:uppercase;font-size:.8rem;margin-bottom:10px}
.sec-head p{color:var(--muted);margin-top:12px}
.btn{display:inline-flex;align-items:center;gap:9px;padding:13px 28px;border-radius:999px;font-weight:600;font-size:.95rem;transition:.25s;border:2px solid transparent;cursor:pointer}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 10px 24px rgba(10,125,85,.35)}
.btn-outline{border-color:rgba(255,255,255,.7);color:#fff}
.btn-outline:hover{background:#fff;color:var(--dark)}
.btn-ghost{border-color:var(--primary);color:var(--primary)}
.btn-ghost:hover{background:var(--primary);color:#fff}
.btn svg{width:18px;height:18px;flex:none}

/* Header */
.topbar{background:var(--dark);color:#c8d4de;font-size:.82rem;padding:8px 0}
.topbar .container{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
.topbar span{display:inline-flex;align-items:center;gap:7px}
.topbar svg{width:14px;height:14px;color:var(--gold)}
header.site{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .3s}
header.site.scrolled{box-shadow:0 6px 24px rgba(14,27,44,.1)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{width:52px;height:52px;border-radius:12px;object-fit:cover}
.brand .name{font-weight:800;font-size:1.25rem;color:var(--dark);letter-spacing:.5px}
.brand .name em{font-style:normal;color:var(--primary)}
.brand small{display:block;font-size:.68rem;color:var(--muted);font-weight:500;letter-spacing:1px}
nav.main ul{display:flex;gap:6px;align-items:center}
nav.main a{padding:10px 16px;border-radius:10px;font-weight:600;font-size:.95rem;color:var(--text);transition:.2s}
nav.main a:hover{background:var(--primary-light);color:var(--primary)}
nav.main a.active{color:var(--primary)}
nav.main a.nav-cta{background:var(--primary);color:#fff;margin-left:10px}
nav.main a.nav-cta:hover{background:var(--primary-dark)}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:26px;height:3px;background:var(--dark);margin:5px 0;border-radius:2px;transition:.3s}

/* Hero */
.hero{position:relative;color:#fff;overflow:hidden}
.hero .bg{position:absolute;inset:0}
.hero .bg img{width:100%;height:100%;object-fit:cover}
.hero .bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(9,20,33,.92) 8%,rgba(9,20,33,.72) 45%,rgba(9,20,33,.28) 100%)}
.hero .inner{position:relative;padding:130px 0 140px;max-width:680px}
.hero .tag{display:inline-flex;align-items:center;gap:8px;background:rgba(217,164,65,.16);border:1px solid rgba(217,164,65,.55);color:var(--gold);font-weight:600;font-size:.8rem;letter-spacing:2px;text-transform:uppercase;padding:7px 16px;border-radius:999px;margin-bottom:22px}
.hero h1{color:#fff;font-size:3rem;margin-bottom:18px}
.hero h1 em{font-style:normal;color:#5fd6a5}
.hero p{color:#dbe4ec;font-size:1.12rem;margin-bottom:34px;max-width:600px}
.hero .actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-crest{position:absolute;right:4%;bottom:-40px;width:420px;display:flex;gap:14px;z-index:2}
.hero-crest .chip{flex:1;background:#fff;color:var(--dark);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow-lg)}
.hero-crest .chip b{display:block;font-size:1.5rem;color:var(--primary)}
.hero-crest .chip span{font-size:.8rem;color:var(--muted)}

.page-hero{background:linear-gradient(105deg,var(--dark) 0%,var(--dark-2) 60%,#1b3a52 100%);color:#fff;padding:74px 0 66px;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;right:-120px;top:-120px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(10,125,85,.4),transparent 70%)}
.page-hero .kicker{color:var(--gold);letter-spacing:2.5px;text-transform:uppercase;font-size:.78rem;font-weight:600}
.page-hero h1{color:#fff;margin:10px 0 12px}
.page-hero p{color:#c3cfd9;max-width:640px}
.crumbs{font-size:.85rem;color:#9fb0bf;margin-top:18px}
.crumbs a{color:#cfd9e2}
.crumbs a:hover{color:#fff}
.crumbs svg{width:12px;height:12px;margin:0 6px;vertical-align:-1px}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:-64px;position:relative;z-index:3}
.stat{background:#fff;border-radius:var(--radius);padding:28px 22px;text-align:center;box-shadow:var(--shadow-lg)}
.stat b{font-size:2.1rem;color:var(--primary);display:block}
.stat span{color:var(--muted);font-size:.9rem}

/* Grids & cards */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;transition:.3s;border:1px solid var(--line)}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.cat-card{padding:30px 26px;position:relative;overflow:hidden}
.cat-card .ico{width:54px;height:54px;border-radius:14px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.cat-card .ico svg{width:26px;height:26px;color:var(--primary)}
.cat-card h3{margin-bottom:10px}
.cat-card p{color:var(--muted);font-size:.93rem;margin-bottom:16px}
.cat-card .more{color:var(--primary);font-weight:600;font-size:.9rem;display:inline-flex;align-items:center;gap:6px}
.cat-card .more svg{width:15px;height:15px}
.cat-card .count{position:absolute;top:22px;right:24px;font-size:.78rem;color:var(--muted);background:var(--bg-soft);padding:4px 12px;border-radius:999px}

.p-card{display:flex;flex-direction:column}
.p-card .thumb{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--bg-soft)}
.p-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.p-card:hover .thumb img{transform:scale(1.06)}
.p-card .thumb .badge{position:absolute;top:14px;left:14px;background:var(--primary);color:#fff;font-size:.72rem;font-weight:600;padding:5px 12px;border-radius:999px;letter-spacing:.5px}
.p-card .body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.p-card h3{font-size:1.06rem;margin-bottom:8px}
.p-card h3 a:hover{color:var(--primary)}
.p-card p{color:var(--muted);font-size:.88rem;flex:1;margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.p-card .link{color:var(--primary);font-weight:600;font-size:.88rem;display:inline-flex;align-items:center;gap:6px}
.p-card .link svg{width:15px;height:15px;transition:.25s}
.p-card:hover .link svg{transform:translateX(4px)}

/* Advantage / feature blocks */
.adv{display:flex;gap:18px;padding:26px;background:#fff;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow)}
.adv .num{flex:none;width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,var(--primary),#12a06f);color:#fff;font-weight:800;font-size:1.15rem;display:flex;align-items:center;justify-content:center}
.adv h3{margin-bottom:8px;font-size:1.1rem}
.adv p{color:var(--muted);font-size:.92rem}
.adv ul{margin-top:8px}
.adv ul li{position:relative;padding-left:20px;color:var(--muted);font-size:.9rem;margin-bottom:5px}
.adv ul li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;background:var(--gold)}

/* About */
.about-img{position:relative}
.about-img img{border-radius:var(--radius);box-shadow:var(--shadow-lg)}
.about-img .exp{position:absolute;right:-18px;bottom:-24px;background:var(--primary);color:#fff;border-radius:var(--radius);padding:20px 26px;box-shadow:var(--shadow-lg)}
.about-img .exp b{font-size:1.7rem;display:block}
.about-img .exp span{font-size:.8rem;opacity:.9}
.check-list li{position:relative;padding-left:30px;margin-bottom:12px;color:var(--text)}
.check-list li::before{content:"";position:absolute;left:0;top:4px;width:20px;height:20px;border-radius:50%;background:var(--primary-light);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230a7d55' stroke-width='3'%3E%3Cpath d='M4 12l5 5L20 7'/%3E%3C/svg%3E");background-size:12px;background-position:center;background-repeat:no-repeat}

/* Factory gallery */
.factory-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.factory-grid figure{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.factory-grid img{aspect-ratio:4/3;object-fit:cover;width:100%;transition:transform .5s}
.factory-grid figure:hover img{transform:scale(1.05)}
.factory-grid figcaption{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(transparent,rgba(9,20,33,.85));color:#fff;padding:38px 18px 14px;font-size:.9rem;font-weight:600}

/* Quote */
.quote{background:linear-gradient(120deg,var(--primary),#0c9364);border-radius:20px;color:#fff;padding:52px 56px;position:relative;overflow:hidden}
.quote::before{content:"“";position:absolute;left:26px;top:-30px;font-size:9rem;opacity:.18;font-family:Georgia,serif}
.quote p{font-size:1.25rem;font-weight:600;line-height:1.6;max-width:900px;position:relative}
.quote span{display:block;margin-top:14px;color:#d7f0e4;font-size:.9rem}

/* CTA band */
.cta-band{background:linear-gradient(110deg,var(--dark) 0%,#123528 100%);color:#fff;padding:64px 0;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-100px;bottom:-160px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(10,125,85,.5),transparent 70%)}
.cta-band .container{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;position:relative;z-index:2}
.cta-band h2{color:#fff;margin-bottom:8px}
.cta-band p{color:#bccbd8;max-width:560px}

/* Products page */
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:44px}
.filter-bar button{padding:10px 22px;border-radius:999px;border:1.5px solid var(--line);background:#fff;color:var(--text);font-weight:600;font-size:.9rem;cursor:pointer;transition:.2s;font-family:inherit}
.filter-bar button:hover{border-color:var(--primary);color:var(--primary)}
.filter-bar button.active{background:var(--primary);border-color:var(--primary);color:#fff}

/* Detail page */
.detail-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:start}
.detail-wrap .photo{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid var(--line)}
.detail-wrap .photo img{width:100%;object-fit:cover}
.detail-info .cat-line{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-weight:700;font-size:.82rem;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:12px}
.detail-info h1{font-size:1.9rem;margin-bottom:12px}
.detail-info .lead{color:var(--muted);margin-bottom:24px}
.spec-mini{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:28px}
.spec-mini div{background:var(--bg-soft);border-radius:12px;padding:13px 16px}
.spec-mini span{display:block;font-size:.75rem;color:var(--muted);text-transform:uppercase;letter-spacing:1px}
.spec-mini b{color:var(--dark);font-size:.98rem}
.detail-actions{display:flex;gap:12px;flex-wrap:wrap}
.detail-body h2{font-size:1.45rem;margin:0 0 18px}
.detail-body .desc p{margin-bottom:16px;color:var(--text)}
.detail-cols{display:grid;grid-template-columns:1fr 1fr;gap:46px;margin-top:54px}
.feat-list li{position:relative;padding-left:32px;margin-bottom:14px}
.feat-list li::before{content:"";position:absolute;left:0;top:3px;width:22px;height:22px;border-radius:50%;background:var(--primary-light);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230a7d55' stroke-width='3'%3E%3Cpath d='M4 12l5 5L20 7'/%3E%3C/svg%3E");background-size:13px;background-position:center;background-repeat:no-repeat}
.spec-table{width:100%;border-collapse:collapse;font-size:.93rem}
.spec-table caption{text-align:left;font-weight:700;color:var(--dark);padding-bottom:10px;font-size:1.05rem}
.spec-table td{padding:11px 14px;border-bottom:1px solid var(--line)}
.spec-table td:first-child{color:var(--muted);width:46%}
.spec-table tr:last-child td{border-bottom:0}
.apps-box{background:var(--primary-light);border-left:4px solid var(--primary);border-radius:0 12px 12px 0;padding:20px 24px;margin-top:34px}
.apps-box b{color:var(--primary-dark);display:block;margin-bottom:6px}
.apps-box p{font-size:.95rem;margin:0}
.note{font-size:.8rem;color:var(--muted);margin-top:10px}

/* FAQ */
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:16px;overflow:hidden;box-shadow:var(--shadow)}
.faq-item summary{cursor:pointer;padding:20px 56px 20px 24px;font-weight:600;color:var(--dark);position:relative;list-style:none;font-size:1.02rem}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);width:28px;height:28px;border-radius:50%;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-weight:700;transition:.25s}
.faq-item[open] summary::after{content:"−";background:var(--primary);color:#fff}
.faq-item .ans{padding:0 24px 22px;color:var(--muted)}
.faq-cta{background:var(--bg-soft);border-radius:var(--radius);padding:34px 38px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;margin-top:40px}
.faq-cta h3{margin-bottom:4px}

/* Contact */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:46px;align-items:start}
.info-card{background:var(--dark);color:#fff;border-radius:var(--radius);padding:38px 34px;position:relative;overflow:hidden}
.info-card::before{content:"";position:absolute;right:-70px;top:-70px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(10,125,85,.55),transparent 70%)}
.info-card h3{color:#fff;margin-bottom:10px}
.info-card p{color:#b9c6d2;font-size:.93rem;margin-bottom:24px}
.info-card .row{display:flex;gap:14px;padding:14px 0;border-top:1px solid rgba(255,255,255,.1)}
.info-card .row svg{width:20px;height:20px;color:var(--gold);flex:none;margin-top:3px}
.info-card .row b{display:block;font-size:.85rem;letter-spacing:.5px;margin-bottom:2px}
.info-card .row span{color:#c7d3dd;font-size:.92rem}
.form-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-lg);border:1px solid var(--line);padding:40px}
.form-card h3{margin-bottom:6px}
.form-card>p{color:var(--muted);font-size:.92rem;margin-bottom:26px}
.f-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.f-field{display:flex;flex-direction:column;gap:7px}
.f-field.full{grid-column:1/-1}
.f-field label{font-weight:600;font-size:.88rem;color:var(--dark)}
.f-field label i{color:#d64545;font-style:normal}
.f-field input,.f-field select,.f-field textarea{padding:13px 16px;border:1.5px solid var(--line);border-radius:10px;font:inherit;font-size:.95rem;color:var(--text);background:#fbfcfd;transition:.2s;width:100%}
.f-field input:focus,.f-field select:focus,.f-field textarea:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px rgba(10,125,85,.1)}
.f-field textarea{resize:vertical;min-height:130px}
.hp-field{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}
.form-msg{display:none;margin-top:20px;padding:16px 20px;border-radius:12px;font-size:.95rem}
.form-msg.ok{display:block;background:#e7f6ee;border:1px solid #b7e2cd;color:#0a6b47}
.form-msg.err{display:block;background:#fdeeee;border:1px solid #f2c6c6;color:#a33}
.form-note{font-size:.82rem;color:var(--muted);margin-top:16px;text-align:center}

/* Footer */
footer.site{background:var(--dark);color:#aebbc7;margin-top:0}
footer.site .top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px;padding:64px 0 48px}
footer.site h4{color:#fff;font-size:1rem;margin-bottom:18px;letter-spacing:.5px}
footer.site .fbrand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
footer.site .fbrand img{width:46px;height:46px;border-radius:10px}
footer.site .fbrand b{color:#fff;font-size:1.1rem}
footer.site .fbrand em{font-style:normal;color:#5fd6a5}
footer.site p{font-size:.9rem}
footer.site ul li{margin-bottom:10px;font-size:.92rem}
footer.site ul a:hover{color:#fff}
footer.site .addr{display:flex;gap:10px;font-size:.9rem;line-height:1.6}
footer.site .addr svg{width:18px;height:18px;color:var(--gold);flex:none;margin-top:4px}
footer.site .fcta{margin-top:18px}
footer.site .bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;font-size:.82rem;color:#7f8fa0}
footer.site .bottom a{color:#7f8fa0}
footer.site .bottom a:hover{color:#fff}

/* Reveal animation */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}

/* Breadcrumb page context */
.breadcrumb-nav{font-size:.86rem;color:var(--muted);padding:18px 0 0}
.breadcrumb-nav a{color:var(--muted)}
.breadcrumb-nav a:hover{color:var(--primary)}
.breadcrumb-nav svg{width:12px;height:12px;margin:0 6px;vertical-align:-1px}

/* Responsive */
@media(max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(4,1fr);gap:14px}
  .hero h1{font-size:2.4rem}
  .footer .top{grid-template-columns:1fr 1fr}
}
@media(max-width:860px){
  .grid-2,.contact-grid,.detail-wrap,.detail-cols{grid-template-columns:1fr;gap:36px}
  .detail-cols{margin-top:36px}
  .hero .inner{padding:90px 0 120px}
  .hero-crest{display:none}
  .stats{grid-template-columns:repeat(2,1fr);margin-top:0;padding:0 22px}
  .stats .stat{box-shadow:var(--shadow)}
  .section{padding:58px 0}
  .quote{padding:38px 30px}
  footer.site .top{grid-template-columns:1fr 1fr;gap:30px}
  .nav-toggle{display:block}
  nav.main{position:fixed;inset:76px 0 auto 0;background:#fff;box-shadow:var(--shadow-lg);transform:translateY(-130%);transition:.35s;padding:18px 22px 26px;z-index:99}
  nav.main.open{transform:none}
  nav.main ul{flex-direction:column;align-items:stretch;gap:4px}
  nav.main a{display:block;padding:13px 16px}
  nav.main a.nav-cta{margin:8px 0 0;text-align:center}
  .f-grid{grid-template-columns:1fr}
  .form-card{padding:28px 22px}
  h1{font-size:2rem}.hero h1{font-size:2.1rem}
  .spec-mini{grid-template-columns:1fr}
  .topbar .container{justify-content:center}
}
@media(max-width:560px){
  .grid-3,.grid-4,.factory-grid,footer.site .top{grid-template-columns:1fr}
  .hero h1{font-size:1.9rem}
  .detail-info h1{font-size:1.5rem}
  .cta-band .container{flex-direction:column;align-items:flex-start}
  .brand small{display:none}
  .brand .name{font-size:1.05rem}
}