*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;font-family:Arial,"Noto Sans SC","Microsoft YaHei",sans-serif;color:#182126;background:#f8faf9;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
.container{width:min(1180px,calc(100% - 40px));margin:auto}
.skip-link{position:absolute;left:-9999px;top:10px}
.skip-link:focus{left:10px;background:#fff;padding:8px 12px;z-index:999}

.site-header{position:sticky;top:0;background:#f8faf9;border-bottom:1px solid #dce5e0;z-index:100}
.nav-wrap{display:flex;align-items:center;gap:26px;min-height:78px}
.brand{display:flex;align-items:center;gap:12px;min-width:310px}
.brand-mark{font-size:24px;font-weight:900;letter-spacing:-1px;color:#0c5d48}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text strong{font-size:13px}
.brand-text small{font-size:9px;letter-spacing:.06em;margin-top:4px}
.nav{display:flex;gap:22px;margin-left:auto;align-items:center}
.nav a{font-size:14px}
.nav a:hover,.nav a[aria-current="page"]{color:#0c7a5b}
.lang-link{border:1px solid #b8c8c0;background:#fff;border-radius:999px;padding:9px 14px;font-size:12px;font-weight:700;white-space:nowrap}

.hero,.detail-hero{background:#112722;color:#fff}
.hero{padding:104px 0 92px}
.hero-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:70px;align-items:end}
.eyebrow,.section-no,.country,.tag{font-size:12px;letter-spacing:.16em;font-weight:800;text-transform:uppercase}
.hero h1{font-size:clamp(50px,7vw,90px);line-height:1.02;letter-spacing:-.04em;margin:24px 0}
.accent{color:#a9d4c5}
.lead{font-size:18px;max-width:760px;color:#d7e5e0}
.hero-actions{display:flex;gap:14px;margin-top:35px;flex-wrap:wrap}
.btn{display:inline-block;padding:13px 18px;border-radius:4px;font-weight:700;font-size:14px}
.btn.primary{background:#fff;color:#15362f}
.btn.ghost{border:1px solid rgba(255,255,255,.35);color:#fff}
.hero-panel{border-left:1px solid rgba(255,255,255,.24);padding-left:30px}
.hero-stat span{display:block;color:#b8d1ca}
.hero-stat strong{display:block;margin-top:8px}
.service-list{margin-top:34px}
.service-list div{display:grid;grid-template-columns:42px 1fr;gap:10px;padding:16px 0;border-top:1px solid rgba(255,255,255,.16)}
.service-list span{color:#90b8ab}

.section{padding:92px 0}
.two-col{display:grid;grid-template-columns:.85fr 1.15fr;gap:100px}
.section h2{font-size:clamp(38px,5vw,64px);line-height:1.08;letter-spacing:-.035em;margin:14px 0 0}
.copy p{font-size:17px;color:#4b5a54}
.identity-card{margin-top:34px;padding:24px;border:1px solid #cbd8d2;background:#fff}
.identity-card span,.identity-card strong{display:block}
.identity-card span{font-size:13px;color:#72817b}

.dark{background:#112722;color:#eff7f3}
.soft{background:#eef3f0}
.section-heading{display:grid;grid-template-columns:1fr .8fr;gap:80px;align-items:end;margin-bottom:45px}
.section-heading p{color:#7f928a;font-size:17px}
.dark .section-heading p{color:#b3c5bf}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#355248;border:1px solid #355248}
.product-card{background:#17352e;padding:28px;min-height:280px;display:flex;flex-direction:column}
.product-card .num{color:#7aa897;font-size:13px}
.product-card h3{font-size:23px;margin:26px 0 12px}
.product-card p{color:#bed0c9;margin:0}
.product-card small{margin-top:auto;padding-top:28px;color:#8eb4a6}
.product-card .more{margin-top:16px;color:#dceae5;font-weight:700;font-size:13px}
.product-card:hover{background:#1b3d35}

.experience-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.project{background:#fff;border:1px solid #dbe4df;padding:30px;min-height:250px}
.project.featured{grid-column:span 2;background:#eaf2ee}
.project h3{font-size:27px;margin:8px 0 12px}
.project p:not(.country){color:#52625b}
.project strong{font-size:38px;color:#0d6b50;margin-right:10px}
.project span{color:#6c7b75}
.more-projects{margin-top:28px;border-top:1px solid #cbd8d2;padding-top:20px}
.more-projects summary{cursor:pointer;font-weight:800}
.more-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:22px}
.more-grid>div{padding:22px;background:#fff;border:1px solid #dfe7e3}
.note{font-size:13px;color:#73817b}

.support-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.support-grid article{background:#fff;padding:34px;border:1px solid #dbe4df}
.support-grid h3{font-size:28px}
.support-grid li{margin:8px 0}
.after-sales{margin-top:20px;background:#17352e;color:#fff;padding:34px}
.chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.chips span,.chips a{border:1px solid #55746a;padding:8px 12px;border-radius:999px;font-size:13px}

.contact{background:#f8faf9}
.contact-grid{display:grid;grid-template-columns:1fr .8fr;gap:90px}
.address-card{background:#fff;border:1px solid #d8e1dc;padding:32px}
.address-card strong,.address-card span{display:block}
.address-card hr{border:0;border-top:1px solid #dde6e1;margin:24px 0}
.address-card a{color:#0d6b50;font-weight:800;overflow-wrap:anywhere}
.copy-btn{border:0;background:#0f604a;color:#fff;padding:11px 14px;cursor:pointer;border-radius:3px}

footer{background:#0e211c;color:#d9e5e0;padding:26px 0}
.footer-wrap{display:flex;justify-content:space-between;gap:20px}
.footer-wrap strong{color:#fff;margin-right:8px}

/* Detail pages */
.detail-hero{padding:72px 0 62px}
.breadcrumb{font-size:12px;letter-spacing:.08em;color:#a8beb6;margin-bottom:24px}
.detail-hero h1{font-size:clamp(42px,6vw,70px);line-height:1.04;letter-spacing:-.035em;margin:0 0 18px}
.detail-hero .subtitle{max-width:840px;color:#c4d6d0;font-size:18px}
.detail-section{padding:72px 0}
.detail-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:60px;align-items:start}
.detail-copy h2{font-size:36px;line-height:1.15;margin:0 0 18px}
.detail-copy h3{font-size:24px;margin-top:36px}
.detail-copy p,.detail-copy li{color:#4b5a54}
.detail-copy ul{padding-left:20px}
.detail-aside{background:#fff;border:1px solid #d8e1dc;padding:28px;position:sticky;top:100px}
.detail-aside h3{margin-top:0}
.detail-aside dl{margin:0}
.detail-aside dt{font-size:12px;color:#718079;text-transform:uppercase;letter-spacing:.08em;margin-top:18px}
.detail-aside dd{margin:5px 0 0;font-weight:700}
.detail-cta{margin-top:28px}
.detail-cta .btn{background:#0f604a;color:#fff}
.related{background:#eef3f0;padding:64px 0}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.related-card{background:#fff;border:1px solid #dbe4df;padding:24px}
.related-card small{display:block;color:#0c7a5b;font-weight:800;margin-bottom:8px}
.related-card h3{margin:0 0 10px}
.related-card p{font-size:14px;color:#5c6b65}
.faq-list details{background:#fff;border:1px solid #dbe4df;margin:12px 0;padding:20px 22px}
.faq-list summary{cursor:pointer;font-weight:800}
.faq-list p{color:#52625b}

.catalog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.catalog-card{background:#fff;border:1px solid #dbe4df;padding:26px}
.catalog-card .tag{color:#0c7a5b}
.catalog-card h3{font-size:22px;margin:8px 0 10px}
.catalog-card p{color:#5c6b65;font-size:14px}
.catalog-card a{display:inline-block;margin-top:10px;color:#0c7a5b;font-weight:800;font-size:13px}

@media(max-width:900px){
  .container{width:min(100% - 28px,1180px)}
  .nav-wrap{min-height:68px;gap:12px;flex-wrap:wrap;padding:8px 0}
  .brand{min-width:0;flex:1 1 auto}
  .brand-text strong{font-size:11px}
  .brand-text small{font-size:8px}
  .nav{order:3;width:100%;margin-left:0;display:flex;gap:8px;overflow-x:auto;padding:3px 0 5px;scrollbar-width:none}
  .nav::-webkit-scrollbar{display:none}
  .nav a{white-space:nowrap;border:1px solid #dce5e0;border-radius:999px;padding:7px 10px;background:#fff;font-size:12px}
  .lang-link{padding:8px 10px;font-size:11px}
  .hero{padding:66px 0 56px}
  .hero-grid,.two-col,.section-heading,.contact-grid,.detail-grid{grid-template-columns:1fr;gap:30px}
  .hero-panel{border-left:0;border-top:1px solid rgba(255,255,255,.25);padding:24px 0 0}
  .product-grid{grid-template-columns:1fr 1fr}
  .experience-grid,.support-grid,.related-grid,.catalog-grid{grid-template-columns:1fr}
  .project.featured{grid-column:span 1}
  .detail-aside{position:static}
  .section{padding:64px 0}
}

@media(max-width:620px){
  .container{width:calc(100% - 22px)}
  .brand-text{display:none}
  .brand-mark{font-size:20px}
  .hero{padding:52px 0 46px}
  .hero h1,.detail-hero h1{font-size:clamp(31px,10vw,44px)}
  .lead,.detail-hero .subtitle{font-size:15px}
  .hero-actions{display:grid;grid-template-columns:1fr}
  .hero-actions .btn,.detail-cta .btn{width:100%;text-align:center}
  .section{padding:50px 0}
  .section h2,.detail-copy h2{font-size:28px}
  .product-grid,.experience-grid,.more-grid{grid-template-columns:1fr}
  .product-card,.project,.support-grid article,.after-sales,.address-card{padding:22px}
  .project h3,.support-grid h3{font-size:23px}
  .project strong{font-size:32px}
  .detail-hero{padding:48px 0 42px}
  .detail-section{padding:46px 0}
  .detail-copy h3{font-size:20px}
  .faq-list details{padding:14px 15px}
  .copy-btn{width:100%}
  .footer-wrap{flex-direction:column;align-items:flex-start}
}