:root{--ink:#082026;--muted:#5b7278;--brand:#068b8f;--brand2:#035b73;--gold:#38c18f;--bg:#f0faf8;--card:#fff;--line:#d8eceb;--hero:none}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.7;animation:pageFade .55s ease both}a{color:inherit;text-decoration:none}img{display:block;width:100%;height:auto}.container{width:min(1180px,92vw);margin:auto}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);transition:box-shadow .3s ease,background .3s ease}.site-header.scrolled{box-shadow:0 16px 42px rgba(7,22,32,.12);background:rgba(255,255,255,.96)}.nav-wrap{height:74px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:12px;min-width:max-content}.brand span{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:white;display:grid;place-items:center;font-weight:800;letter-spacing:.04em}.brand strong{font-size:18px}.site-nav{display:flex;gap:18px;margin-left:auto;align-items:center}.site-nav a{font-size:14px;color:#354955;font-weight:600;position:relative;padding:8px 0}.site-nav a:after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:linear-gradient(90deg,var(--brand),var(--gold));transform:scaleX(0);transform-origin:right;transition:transform .28s ease}.site-nav a:hover,.site-nav a.active{color:var(--brand)}.site-nav a:hover:after,.site-nav a.active:after{transform:scaleX(1);transform-origin:left}.phone{padding:9px 14px;border:1px solid var(--line);border-radius:999px;color:var(--brand);font-weight:700;white-space:nowrap}.nav-toggle{display:none;margin-left:auto;border:0;background:var(--brand2);color:#fff;border-radius:10px;padding:9px 12px;font-size:20px}
.hero{min-height:620px;display:grid;align-items:center;color:#fff;position:relative;overflow:hidden;background:#035b73;isolation:isolate}.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;transform:scale(1.02);filter:saturate(1.08) contrast(1.04)}.hero:after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(1,19,28,.62),rgba(2,108,116,.24) 58%,rgba(1,19,28,.18))}.hero-inner{padding:90px 0}.eyebrow{color:#bff5ec;font-weight:800;letter-spacing:.18em;font-size:13px}.hero h1{font-size:clamp(36px,6vw,72px);line-height:1.05;margin:14px 0 22px;max-width:880px;text-shadow:0 12px 36px rgba(0,0,0,.34)}.hero p{max-width:720px;font-size:18px;color:#edfefd;text-shadow:0 8px 28px rgba(0,0,0,.32)}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 22px;border-radius:999px;font-weight:800;position:relative;overflow:hidden;transition:.28s}.btn.primary{background:var(--gold);color:#062225}.btn.ghost{border:1px solid rgba(255,255,255,.52);color:#fff}.btn:hover{transform:translateY(-3px)}.btn.primary:hover{box-shadow:0 18px 40px rgba(56,193,143,.32)}.btn.ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.8)}
.section{padding:86px 0}.section.light{background:var(--bg)}.section-head{max-width:720px;margin-bottom:36px}.section-head p{margin:0 0 8px;color:var(--brand);font-weight:800;letter-spacing:.16em}.section-head h2{font-size:clamp(28px,4vw,44px);line-height:1.15;margin:0}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:0 14px 38px rgba(11,23,32,.06);transition:.28s}.card:hover{transform:translateY(-8px);box-shadow:0 24px 54px rgba(11,23,32,.12);border-color:rgba(6,139,143,.28)}.card h3{margin:0 0 12px;font-size:21px}.card p{margin:0;color:var(--muted)}.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.gallery-grid figure,.cert-grid figure{margin:0;border-radius:26px;overflow:hidden;background:#fff;box-shadow:0 14px 40px rgba(11,23,32,.08);border:1px solid var(--line);transition:.28s}.gallery-grid figure:hover,.cert-grid figure:hover{transform:translateY(-8px);box-shadow:0 28px 60px rgba(11,23,32,.15);border-color:rgba(56,193,143,.42)}.gallery-grid img{height:290px;object-fit:cover;transition:.35s}.gallery-grid figure:hover img{transform:scale(1.04)}.gallery-grid figcaption,.cert-grid figcaption{padding:14px 16px;color:#52636d;font-size:14px}.split{display:grid;grid-template-columns:1.3fr .7fr;gap:32px;align-items:center}.split p{font-size:18px;color:var(--muted)}.stat-box{border-radius:28px;background:linear-gradient(135deg,var(--brand2),var(--brand));color:#fff;padding:34px;display:grid;grid-template-columns:1fr 1fr;gap:10px}.stat-box strong{font-size:42px;color:#fff}.stat-box span{color:#d0fbf4}.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}.timeline div{padding:26px;border-radius:24px;border:1px solid var(--line);background:#fff;transition:.28s}.timeline div:hover{transform:translateY(-8px);box-shadow:0 24px 54px rgba(11,23,32,.12)}.timeline span{color:var(--gold);font-size:30px;font-weight:900}.timeline h3{margin:8px 0}.timeline p{color:var(--muted);margin:0}.contact-panel{display:grid;grid-template-columns:1fr 1fr;gap:24px}.contact-panel>div{border-radius:28px;background:#fff;border:1px solid var(--line);padding:34px}.contact-panel .big{font-size:32px;color:var(--brand);font-weight:900}.tags{display:flex;gap:12px;flex-wrap:wrap}.tags span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 14px;color:#49606b}.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.cert-grid img{height:260px;object-fit:contain;background:#f7fafb;padding:14px}.product-subnav{position:sticky;top:74px;z-index:15;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.product-subnav .container{display:flex;gap:12px;overflow:auto;padding:14px 0}.product-subnav a{white-space:nowrap;border:1px solid var(--line);border-radius:999px;padding:9px 16px;color:#49606b;font-weight:700;background:#fff;transition:.25s}.product-subnav a:hover,.product-subnav a.active{color:#fff;background:var(--brand);border-color:var(--brand);box-shadow:0 10px 24px rgba(6,139,143,.16)}.site-footer{background:#05242d;color:#d8f4f0}.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:34px;padding:54px 0}.site-footer h3,.site-footer h4{color:#fff;margin-top:0}.site-footer p,.site-footer a{color:#a9c2cb}.copyright{text-align:center;border-top:1px solid rgba(255,255,255,.1);padding:18px;color:#8fb0ba;font-size:14px}.ripple{position:absolute;border-radius:50%;transform:scale(0);background:rgba(255,255,255,.5);pointer-events:none;animation:ripple .58s ease-out}@keyframes ripple{to{transform:scale(4);opacity:0}}@keyframes pageFade{from{opacity:0;filter:blur(8px);transform:translateY(10px)}to{opacity:1;filter:blur(0);transform:none}}.reveal{opacity:0;transform:translateY(24px);transition:opacity .65s ease,transform .65s ease}.reveal.in-view{opacity:1;transform:none}
@media (max-width:980px){.nav-toggle{display:block}.site-nav{position:absolute;left:4vw;right:4vw;top:74px;display:none;flex-direction:column;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:0 20px 48px rgba(0,0,0,.12)}.site-nav.open{display:flex}.phone{display:none}.cards{grid-template-columns:repeat(2,1fr)}.gallery-grid,.cert-grid{grid-template-columns:repeat(2,1fr)}.timeline{grid-template-columns:1fr 1fr}.split,.contact-panel,.footer-grid{grid-template-columns:1fr}.hero{min-height:560px}.nav-wrap{height:68px}.site-nav{top:68px}.product-subnav{top:68px}}
@media (max-width:620px){.brand strong{font-size:15px}.hero-inner{padding:64px 0}.section{padding:58px 0}.cards,.gallery-grid,.timeline,.cert-grid{grid-template-columns:1fr}.gallery-grid img{height:230px}.cert-grid img{height:auto;max-height:420px}.card{padding:22px}.footer-grid{padding:40px 0}.stat-box{grid-template-columns:1fr}.btn{width:100%}}
@media (prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.reveal{opacity:1;transform:none}}


/* Hero background visibility fix */
.hero-inner{position:relative;z-index:2}.hero h1,.hero p{max-width:760px}