:root{--primary:#0b3d2e;--primary-2:#116146;--accent:#e8a33d;--accent-2:#d68a1f;--text:#22303a;--muted:#5c6b76;--bg:#ffffff;--bg-alt:#f4f7f5;--line:#e2e8e4;--radius:14px;--shadow:0 6px 24px rgba(11,61,46,.08);--shadow-lg:0 16px 40px rgba(11,61,46,.14)}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.7;font-size:16px}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary-2);text-decoration:none}
a:hover{color:var(--accent-2)}
h1,h2,h3,h4{line-height:1.25;color:var(--primary);font-weight:700}
.container{max-width:1180px;margin:0 auto;padding:0 22px}
/* Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 22px;max-width:1180px;margin:0 auto}
.brand{display:flex;align-items:center;gap:12px}
.brand img{border-radius:8px}
.brand-text strong{display:block;color:var(--primary);font-size:1.05rem;letter-spacing:.3px}
.brand-text small{display:block;color:var(--muted);font-size:.75rem}
.nav{display:flex;align-items:center;gap:6px}
.nav>a{padding:9px 14px;border-radius:8px;color:var(--text);font-weight:500;font-size:.95rem}
.nav>a:hover{background:var(--bg-alt);color:var(--primary)}
.nav>a.active{color:var(--primary);background:var(--bg-alt);font-weight:700}
.nav-cta{margin-left:8px}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;font-size:1.4rem;padding:6px 12px;cursor:pointer;color:var(--primary)}
/* Buttons */
.btn{display:inline-block;padding:12px 26px;border-radius:10px;font-weight:600;font-size:.98rem;border:2px solid transparent;cursor:pointer;transition:.2s;text-align:center}
.btn-lg{padding:15px 34px;font-size:1.05rem}
.btn-block{display:block;width:100%}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-2);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-secondary{background:var(--primary);color:#fff}
.btn-secondary:hover{background:var(--primary-2);color:#fff;transform:translateY(-2px)}
.btn-outline{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-outline:hover{background:var(--primary);color:#fff}
.btn-light{background:#fff;color:var(--primary)}
.btn-light:hover{background:var(--accent);color:#fff;transform:translateY(-2px)}
/* Hero */
.hero{background:linear-gradient(120deg,rgba(7,40,30,.92),rgba(11,61,46,.78) 55%,rgba(11,61,46,.55)),url(/img/banner.jpg) center/cover no-repeat;color:#fff;padding:110px 0 120px}
.hero h1{color:#fff;font-size:clamp(1.8rem,4vw,2.9rem);max-width:820px;margin-bottom:18px}
.hero p{max-width:720px;font-size:1.1rem;color:#e8efe9;margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
/* Stats */
.stats-bar{background:var(--primary);padding:34px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat strong{display:block;color:var(--accent);font-size:2rem;font-weight:800}
.stat span{color:#cfe0d6;font-size:.92rem}
/* Sections */
.section{padding:78px 0}
.section-alt{background:var(--bg-alt)}
.section-head{max-width:760px;margin:0 auto 46px;text-align:center}
.eyebrow{display:inline-block;color:var(--accent-2);font-weight:700;letter-spacing:1.5px;text-transform:uppercase;font-size:.8rem;margin-bottom:10px}
.section-head h2,.split-text h2{font-size:clamp(1.5rem,3vw,2.1rem);margin-bottom:12px}
.section-head p{color:var(--muted)}
.center-btn{text-align:center;margin-top:44px}
/* Split */
.split{display:grid;grid-template-columns:1fr 1.15fr;gap:56px;align-items:center}
.split-media img{border-radius:var(--radius);box-shadow:var(--shadow-lg)}
.split-text p{margin-bottom:16px;color:var(--muted)}
.split-text .btn{margin-top:10px}
.text-block{margin-top:48px;max-width:900px}
.text-block h2{margin-bottom:14px}
.text-block p{color:var(--muted);margin-bottom:14px}
/* Category */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.cat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;transition:.25s;display:block}
.cat-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--accent)}
.cat-card h3{font-size:1.08rem;margin-bottom:10px}
.cat-card p{color:var(--muted);font-size:.92rem}
/* Product grid */
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.product-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}
.product-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.product-card-link{display:block;color:inherit}
.product-img{overflow:hidden;aspect-ratio:4/3;background:var(--bg-alt)}
.product-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.product-card:hover .product-img img{transform:scale(1.06)}
.product-info{padding:18px 20px 22px}
.product-info h3{font-size:1rem;margin-bottom:8px;min-height:2.5em}
.product-info p{color:var(--muted);font-size:.86rem;margin-bottom:12px}
.link-more{color:var(--accent-2);font-weight:600;font-size:.9rem}
/* Features */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;transition:.25s}
.feature-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.feature-icon{width:48px;height:48px;border-radius:12px;background:var(--primary);color:var(--accent);font-size:1.4rem;display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-weight:800}
.feature-card h3{font-size:1.05rem;margin-bottom:10px}
.feature-card p{color:var(--muted);font-size:.92rem}
/* Process */
.process-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.process-step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px}
.step-num{display:inline-flex;width:44px;height:44px;border-radius:50%;background:var(--accent);color:#fff;font-weight:800;align-items:center;justify-content:center;margin-bottom:14px;font-size:1.05rem}
.process-step h3{font-size:1.05rem;margin-bottom:8px}
.process-step p{color:var(--muted);font-size:.92rem}
/* CTA band */
.cta-band{background:linear-gradient(115deg,var(--primary),var(--primary-2));padding:64px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:clamp(1.3rem,2.6vw,1.8rem);margin-bottom:8px}
.cta-band p{color:#cfe0d6;max-width:640px}
/* Page head & breadcrumb */
.page-head{background:linear-gradient(120deg,rgba(7,40,30,.94),rgba(11,61,46,.8)),url(/img/banner.jpg) center/cover no-repeat;color:#fff;padding:72px 0;text-align:center}
.page-head h1{color:#fff;font-size:clamp(1.7rem,3.4vw,2.4rem);margin-bottom:10px}
.page-head p{color:#d7e5db;font-size:1.05rem;max-width:760px;margin:0 auto}
.breadcrumb{background:var(--bg-alt);border-bottom:1px solid var(--line);padding:12px 0;font-size:.88rem}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px}
.breadcrumb li+li::before{content:"/";margin:0 8px;color:var(--muted)}
.breadcrumb a{color:var(--muted)}
.breadcrumb li[aria-current]{color:var(--primary);font-weight:600}
/* Timeline */
.timeline{position:relative;max-width:860px;margin:0 auto;padding-left:26px;border-left:3px solid var(--accent)}
.timeline-item{position:relative;padding:0 0 30px 26px}
.timeline-item::before{content:"";position:absolute;left:-37px;top:6px;width:16px;height:16px;border-radius:50%;background:var(--accent);border:3px solid #fff;box-shadow:0 0 0 2px var(--accent)}
.timeline-year{display:inline-block;background:var(--primary);color:#fff;font-weight:700;padding:3px 14px;border-radius:20px;font-size:.9rem;margin-bottom:8px}
.timeline-body p{color:var(--muted)}
/* Equip */
.equip-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.equip-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}
.equip-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.equip-card img{width:100%;aspect-ratio:3/2;object-fit:cover}
.equip-card h3{padding:18px 22px 6px;font-size:1.05rem}
.equip-card p{padding:0 22px 22px;color:var(--muted);font-size:.93rem}
/* Culture */
.culture-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.culture-card{background:#fff;border:1px solid var(--line);border-top:4px solid var(--accent);border-radius:var(--radius);padding:28px 26px}
.culture-card h3{font-size:1.1rem;margin-bottom:10px}
.culture-card p{color:var(--muted);font-size:.95rem}
/* Cert */
.cert-list{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:980px;margin:0 auto}
.cert-item{background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px 18px;font-size:.95rem;position:relative;padding-left:44px}
.cert-item::before{content:"✔";position:absolute;left:16px;color:var(--accent-2);font-weight:800}
/* FAQ */
.faq-wrap{max-width:860px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:14px;overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 56px 20px 24px;position:relative;font-weight:600;color:var(--primary)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{position:absolute;right:22px;top:20px;font-size:1.4rem;color:var(--accent-2);transition:.2s}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-a{padding:0 24px 22px;color:var(--muted)}
.faq-cta{margin-top:44px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);text-align:center;padding:40px 28px}
.faq-cta h2{margin-bottom:10px}
.faq-cta p{color:var(--muted);margin-bottom:20px}
/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:52px;align-items:start}
.contact-info h2{margin:6px 0 22px}
.contact-item{margin-bottom:22px;padding:18px 22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.contact-item strong{display:block;color:var(--primary);margin-bottom:6px}
.contact-item p{color:var(--muted);font-size:.95rem}
.contact-form-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px;box-shadow:var(--shadow)}
.contact-form-wrap h2{margin-bottom:6px}
.form-note{color:var(--muted);font-size:.9rem;margin-bottom:20px}
.req{color:#d33}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-weight:600;font-size:.92rem;margin-bottom:7px;color:var(--primary)}
.form-group input,.form-group textarea{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;font:inherit;font-size:.96rem;color:var(--text);background:var(--bg);transition:.2s}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(232,163,61,.15)}
.form-message{display:none;margin-top:18px;padding:16px 18px;border-radius:10px;font-weight:600}
.form-message.success{display:block;background:#e8f6ee;border:1px solid #9fd8b4;color:#0b6b34}
.form-message.error{display:block;background:#fdeeee;border:1px solid #eeb4b4;color:#a12626}
/* Product detail */
.product-detail{display:grid;grid-template-columns:1fr 1.1fr;gap:52px;align-items:center;margin-bottom:10px}
.pd-media img{border-radius:var(--radius);box-shadow:var(--shadow-lg);width:100%}
.pd-summary h1{font-size:clamp(1.5rem,3vw,2.1rem);margin:8px 0 16px}
.pd-lead{color:var(--muted);margin-bottom:20px}
.pd-checklist{list-style:none;margin-bottom:26px}
.pd-checklist li{padding:7px 0 7px 30px;position:relative;color:var(--text)}
.pd-checklist li::before{content:"✔";position:absolute;left:0;color:var(--accent-2);font-weight:800}
.pd-actions{display:flex;gap:14px;flex-wrap:wrap}
.pd-body{max-width:900px}
.pd-body h2{margin:34px 0 14px;font-size:1.4rem}
.pd-body h2:first-child{margin-top:0}
.pd-body p{color:var(--muted);margin-bottom:14px}
.pd-features{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:10px 26px}
.pd-features li{padding:8px 0 8px 30px;position:relative;color:var(--text);border-bottom:1px dashed var(--line)}
.pd-features li::before{content:"★";position:absolute;left:2px;color:var(--accent);font-weight:800}
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line)}
.spec-table{width:100%;border-collapse:collapse;background:#fff;font-size:.95rem}
.spec-table caption{text-align:left;padding:14px 18px;font-weight:700;color:var(--primary);background:var(--bg-alt);border-bottom:1px solid var(--line)}
.spec-table th,.spec-table td{padding:13px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.spec-table th{width:220px;color:var(--primary);background:#fbfcfb}
.spec-table tr:last-child td{border-bottom:none}
.pd-note{margin-top:22px;background:#fdf6e9;border:1px solid #f0dcae;border-radius:var(--radius);padding:18px 22px}
.pd-note p{color:#6b5a2a;margin:0}
/* Intro block */
.intro-block{max-width:940px;margin:0 auto 44px;background:#fff;border:1px solid var(--line);border-left:5px solid var(--accent);border-radius:var(--radius);padding:24px 28px}
.intro-block p{color:var(--muted)}
/* Footer */
.site-footer{background:#082b20;color:#b9ccc1;padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:40px}
.brand-footer img{border-radius:8px}
.brand-footer span{color:#fff;font-size:1.1rem;font-weight:700}
.footer-col h4{color:#fff;margin-bottom:16px;font-size:1.02rem}
.footer-col p{font-size:.92rem;margin-bottom:12px}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:9px}
.footer-col a{color:#b9ccc1}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 22px;text-align:center;font-size:.85rem}
.footer-bottom p{color:#8aa397}
/* Reveal animation */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:none}
/* Responsive */
@media (max-width:1024px){
  .product-grid,.feature-grid{grid-template-columns:repeat(3,1fr)}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .culture-grid,.process-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:820px){
  .nav{position:fixed;top:69px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:14px 22px 22px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-lg);display:none}
  .nav.open{display:flex}
  .nav>a{padding:13px 14px}
  .nav-cta{text-align:center;margin:8px 0 0}
  .nav-toggle{display:block}
  .split,.contact-grid,.product-detail{grid-template-columns:1fr;gap:34px}
  .equip-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .product-grid,.feature-grid{grid-template-columns:repeat(2,1fr)}
  .cert-list{grid-template-columns:repeat(2,1fr)}
  .pd-features{grid-template-columns:1fr}
  .hero{padding:80px 0 90px}
}
@media (max-width:560px){
  .product-grid,.feature-grid,.cat-grid,.culture-grid,.process-grid,.cert-list,.form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:56px 0}
  .contact-form-wrap{padding:26px 20px}
  .cta-inner{justify-content:center;text-align:center}
}