:root{
  --brand:#185FA5; --brand-d:#0C447C; --ink:#1d2733; --muted:#5f6b78;
  --bg:#ffffff; --soft:#f4f7fb; --line:#e3e9f0; --accent:#3B6D11; --accent-s:#eef6e6;
  --shadow:0 12px 34px rgba(20,40,70,.10); --radius:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Helvetica,Arial,sans-serif;color:var(--ink);line-height:1.7;background:var(--bg);-webkit-font-smoothing:antialiased}
a{color:var(--brand);text-decoration:none}
img{max-width:100%;display:block}
.hero .grid > *,.two > *,.plant > *,.cards > *,.apps > *,.ind > *,.steps > *,.certs > *,.gallery > *,.why ul > *,.band > *,.news > *{min-width:0}
.nav-burger{font-size:0}
.nav-burger::before{content:"☰";font-size:26px;line-height:1;color:var(--brand-d)}
.nav-cb:checked ~ .nav-burger::before{content:"✕"}
.wrap{max-width:1280px;margin:0 auto;padding:0 24px}
header.nav{position:sticky;top:0;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);z-index:30;backdrop-filter:saturate(180%) blur(6px)}
.nav .wrap{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:22px;height:68px;position:relative}
.logo{font-weight:800;font-size:20px;color:var(--brand-d);letter-spacing:.3px}
.logo span{color:var(--brand)}
.logo .sub{font-size:11px;color:var(--muted);font-weight:500;letter-spacing:.5px;text-transform:uppercase;display:block;margin-top:-2px}
.nav nav{display:flex;justify-content:center;align-items:center;gap:2px}
.nav nav a{margin:0;padding:10px 16px;font-size:16px;color:var(--muted);font-weight:600;border-radius:7px;transition:.15s}
.nav nav a:hover{color:var(--brand);background:var(--soft)}
.nav nav a.cur{color:var(--brand);background:var(--soft)}
.nav-cta{background:var(--brand);color:#fff;padding:12px 24px;border-radius:9px;font-size:16px;font-weight:700;white-space:nowrap;box-shadow:0 4px 12px rgba(24,95,165,.22);transition:.15s}
.nav-cta:hover{background:var(--brand-d)}
.m-cta{display:none}
.nav-cb{display:none}
.nav-burger{display:none;font-size:26px;line-height:1;cursor:pointer;color:var(--brand-d);user-select:none}
.hero{position:relative;background:radial-gradient(1100px 460px at 88% -12%,#dcebfa 0%,rgba(220,235,250,0) 58%),linear-gradient(180deg,#eef4fb,#ffffff);padding:64px 0 56px;border-bottom:1px solid var(--line);overflow:hidden}
.hero .grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.hero .kicker{font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.6px;text-transform:uppercase}
.hero h1{font-size:34px;line-height:1.26;font-weight:800;margin-top:10px;max-width:560px}
.hero p.sub{margin-top:16px;font-size:17px;color:var(--muted);max-width:520px}
.hero .trust{margin-top:18px;font-size:14px;color:var(--accent);font-weight:700}
.hero .trust span{background:var(--accent-s);padding:5px 11px;border-radius:20px;margin-right:6px;display:inline-block;margin-bottom:6px}
.cta{display:inline-block;margin-top:18px;background:var(--brand);color:#fff;padding:13px 26px;border-radius:9px;font-size:15px;font-weight:700;box-shadow:0 8px 20px rgba(24,95,165,.28);transition:.18s}
.cta:hover{background:var(--brand-d);transform:translateY(-2px);box-shadow:0 12px 26px rgba(24,95,165,.34)}
.cta.ghost{background:#fff;color:var(--brand);border:1px solid var(--brand);margin-left:12px;box-shadow:none}
.cta.green{background:var(--accent);box-shadow:0 6px 16px rgba(59,109,17,.22)}
.cta.green:hover{background:#2f580d}
.hero-img{border-radius:16px;overflow:hidden;box-shadow:0 18px 40px rgba(20,40,70,.16);border:1px solid var(--line);min-height:460px}
.hero-img img{width:100%;height:100%;min-height:460px;object-fit:cover}
.trustbar{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;max-width:560px}
.trustbar span{font-size:11.5px;background:var(--soft);color:var(--brand);border:1px solid var(--line);padding:5px 11px;border-radius:20px;font-weight:600;white-space:nowrap}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:26px;max-width:560px}
.stat{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 10px;text-align:center}
.stat b{display:block;font-size:20px;color:var(--brand-d);font-weight:800;line-height:1.1}
.stat span{font-size:11.5px;color:var(--muted)}
section{padding:56px 0}
section h2{font-size:26px;font-weight:800;margin-bottom:8px;letter-spacing:-.2px}
section h2:after{content:"";display:block;width:48px;height:3px;background:var(--brand);border-radius:3px;margin-top:12px}
section .lead{color:var(--muted);margin-bottom:26px;font-size:15px;max-width:760px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}
.two img{border-radius:14px;border:1px solid var(--line);box-shadow:0 12px 30px rgba(20,40,70,.12)}
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.card{border:1px solid var(--line);border-radius:14px;padding:22px;background:#fff;transition:.2s}
.card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.card h3{font-size:17px;color:var(--brand-d);margin-bottom:8px}
.card p{font-size:14px;color:var(--muted)}
.card .tag{display:inline-block;font-size:11px;background:var(--soft);color:var(--brand);padding:3px 10px;border-radius:20px;margin-bottom:10px;font-weight:600}
.card .codes{font-size:12.5px;color:var(--ink);margin-top:8px;font-weight:600}
.apps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.app{background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:0;overflow:hidden;font-size:12.5px;color:var(--muted)}
.app img{height:130px;width:100%;object-fit:cover}
.app b{display:block;color:var(--ink);font-size:14px;margin-bottom:3px;padding:12px 12px 0}
.app p{padding:0 12px 12px}
.truststrip{background:var(--brand-d);color:#fff;border-radius:14px;padding:18px 24px;display:flex;flex-wrap:wrap;justify-content:center;gap:14px 30px;margin-top:26px}
.truststrip span{font-size:14px;opacity:.95;display:inline-flex;align-items:center;gap:9px}
.truststrip b{font-weight:800}
.truststrip span:before{content:"✓";background:rgba(255,255,255,.2);border-radius:50%;width:21px;height:21px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;flex:none}
.ind{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:10px}
.ind .it{border:1px solid var(--line);border-radius:12px;padding:18px;background:var(--soft)}
.ind .it h4{font-size:15px;color:var(--brand-d);margin-bottom:5px}
.ind .it p{font-size:13px;color:var(--muted)}
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.gallery img{border-radius:14px;border:1px solid var(--line);box-shadow:0 12px 26px rgba(20,40,70,.12);height:180px;width:100%;object-fit:cover}
.spec{width:100%;border-collapse:collapse;margin-top:6px}
.spec td,.spec th{border:1px solid var(--line);padding:11px 14px;font-size:14px;text-align:left;vertical-align:top}
.spec th{background:var(--soft);color:var(--muted);font-weight:600;width:32%}
.certs{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px}
.cert{border:1px solid var(--line);border-radius:12px;padding:16px;background:#fff}
.cert .b{font-weight:800;color:var(--brand-d);font-size:15px}
.cert .d{font-size:12.5px;color:var(--muted);margin-top:4px}
.cert-wall{margin-top:22px;text-align:center}
.cert-wall p{font-size:13px;color:var(--muted);margin-bottom:10px}
.cert-wall img{border:1px solid var(--line);border-radius:12px;box-shadow:0 4px 16px rgba(0,0,0,.08);max-width:100%;height:auto}
.cert-featured{margin-top:22px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 20px;text-align:center}
.cert-featured>p:first-child{font-size:12px;font-weight:700;color:var(--brand);text-transform:uppercase;letter-spacing:.6px;margin-bottom:12px}
.cert-featured img{border:1px solid var(--line);border-radius:10px;box-shadow:0 4px 16px rgba(0,0,0,.08);max-width:100%;height:auto}
.cert-featured .cap{margin-top:10px;font-size:14px;color:var(--ink);font-weight:700}
.cert-featured .sub{font-size:12px;color:var(--muted)}
.plant{background:#fff;border:1px solid var(--line);border-radius:16px;padding:0;overflow:hidden;margin-top:18px;display:grid;grid-template-columns:.9fr 1.1fr}
.plant img{width:100%;height:100%;object-fit:cover}
.plant .pt{padding:26px}
.plant h3{font-size:18px;color:var(--brand-d);margin-bottom:8px}
.plant p{font-size:14px;color:var(--muted)}
.why{background:var(--soft)}
.why ul{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:14px 28px;margin-top:10px}
.why li{font-size:15px;padding-left:28px;position:relative;color:var(--ink)}
.why li:before{content:"✓";position:absolute;left:0;top:0;color:var(--accent);font-weight:800;background:var(--accent-s);border-radius:50%;width:20px;height:20px;display:flex;align-items:center;justify-content:center;font-size:12px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:10px}
.step{border:1px solid var(--line);border-radius:14px;padding:22px 18px;background:#fff;position:relative}
.step .n{width:34px;height:34px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;margin-bottom:12px}
.step h4{font-size:15px;color:var(--brand-d);margin-bottom:6px}
.step p{font-size:13px;color:var(--muted)}
.faq details{border:1px solid var(--line);border-radius:12px;padding:0 18px;margin-bottom:12px;background:#fff}
.faq summary{font-size:15.5px;font-weight:600;cursor:pointer;padding:16px 0;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary:before{content:"+";position:absolute;right:0;color:var(--brand);font-weight:800;font-size:18px}
.faq details[open] summary:before{content:"−"}
.faq .a{padding:0 0 16px;font-size:14.5px;color:var(--muted)}
.news{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:10px}
.news .post{border:1px solid var(--line);border-radius:14px;padding:22px;background:#fff;transition:.2s}
.news .post:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.news .post .meta{font-size:12px;color:var(--brand);font-weight:700;text-transform:uppercase;letter-spacing:.5px}
.news .post h3{font-size:17px;color:var(--brand-d);margin:8px 0}
.news .post p{font-size:14px;color:var(--muted)}
.news .post a.more{display:inline-block;margin-top:10px;font-size:13px;font-weight:700}
.article{max-width:820px;margin:0 auto}
.article .meta{font-size:13px;color:var(--brand);font-weight:700;text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px}
.article h1{font-size:32px;line-height:1.25;font-weight:800;margin-bottom:14px}
.article .lead{font-size:17px;color:var(--muted);margin-bottom:26px}
.article h2{font-size:22px;margin:28px 0 10px}
.article h2:after{content:"";display:block;width:40px;height:3px;background:var(--brand);border-radius:3px;margin-top:10px}
.article p{font-size:16px;margin-bottom:16px;color:var(--ink)}
.article ul{margin:0 0 16px 22px;font-size:16px;color:var(--ink)}
.article ul li{margin-bottom:8px}
.article .note{background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:16px 18px;font-size:14px;color:var(--muted);margin-top:20px}
form.inq{background:#fff;border:1px solid var(--line);border-radius:14px;padding:30px;max-width:700px}
form.inq label{display:block;font-size:13px;color:var(--muted);margin:14px 0 6px;font-weight:700}
form.inq input,form.inq textarea,form.inq select{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:9px;font-size:14px;font-family:inherit;color:var(--ink)}
form.inq textarea{min-height:100px;resize:vertical}
form.inq .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
form.inq button{margin-top:22px;background:var(--brand);color:#fff;border:0;padding:13px 28px;border-radius:9px;font-size:15px;font-weight:700;cursor:pointer;box-shadow:0 6px 16px rgba(24,95,165,.25)}
form.inq button:hover{background:var(--brand-d)}
.note{font-size:12.5px;color:var(--muted);margin-top:10px}
.band{background:var(--brand-d);color:#fff;border-radius:14px;padding:26px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.band h3{font-size:19px;font-weight:700}
.band p{font-size:14px;opacity:.85;margin-top:4px}
.band a{background:#fff;color:var(--brand-d);padding:12px 24px;border-radius:9px;font-weight:700;white-space:nowrap}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:6px}
.breadcrumb a{color:var(--brand)}
footer{border-top:1px solid var(--line);padding:30px 0;color:var(--muted);font-size:13px}
footer .contact{margin-top:8px;font-size:13px}
footer .contact a{color:var(--brand-d)}
footer .flinks{margin-top:10px;font-size:13px}
footer .flinks a{margin-right:14px}
.lang-switch{position:fixed;bottom:18px;right:18px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:8px 14px;font-size:13px;font-weight:600;box-shadow:0 6px 18px rgba(0,0,0,.08);z-index:40}
@media(max-width:1100px){
  .nav .wrap{gap:14px}
  .nav nav a{padding:10px 12px;font-size:15px}
}
@media(max-width:880px){
  body{padding-bottom:58px}
  .hero .grid,.two,.plant,.gallery,.cards,.apps,.certs,.why ul,.steps,.ind,.stats,.band,.news{grid-template-columns:1fr}
  form.inq .row{grid-template-columns:1fr}
  .hero h1{font-size:27px}
  .nav .wrap{grid-template-columns:1fr auto;gap:0}
  .nav-burger{display:block}
  .nav nav{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;flex-direction:column;padding:8px 20px 14px;border-bottom:1px solid var(--line);box-shadow:0 10px 20px rgba(0,0,0,.06)}
  .nav nav a{margin:0;padding:12px 0;display:block;border-bottom:1px solid var(--line);border-radius:0}
  .nav nav a:hover{background:none;color:var(--brand)}
  .nav-cta{display:none}
  .m-cta{display:block;background:var(--brand);color:#fff !important;text-align:center;margin-top:12px;border-radius:9px !important;border-bottom:none !important;font-weight:700;padding:13px 0 !important}
  .nav-cb:checked ~ nav{display:flex}
  .step{margin-bottom:0}
}