:root{--navy:#03142c;--navy2:#061f44;--navy3:#092e63;--green:#20bf3f;--green2:#69d737;--white:#fff;--muted:#b9c9de;--line:rgba(255,255,255,.13);--card:rgba(255,255,255,.055);--shadow:0 22px 60px rgba(0,0,0,.32);--radius:22px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;background:var(--navy);color:var(--white);line-height:1.6}img{max-width:100%;display:block}a{text-decoration:none;color:inherit}.container{width:min(1180px,92vw);margin:0 auto}.site-header{position:sticky;top:0;z-index:100;background:rgba(3,20,44,.88);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.nav-shell{min-height:82px;display:flex;align-items:center;gap:22px}.brand{display:flex;align-items:center;gap:13px;min-width:max-content}.brand img{width:62px;height:62px;object-fit:cover;border-radius:50%;box-shadow:0 0 0 1px rgba(255,255,255,.08),0 12px 28px rgba(0,0,0,.25)}.brand span{display:flex;flex-direction:column;line-height:1.05}.brand strong{font-size:19px;letter-spacing:.09em}.brand em{font-style:normal;color:var(--green2);font-weight:900;letter-spacing:.34em;font-size:14px}.main-nav{display:flex;gap:25px;margin-left:auto;font-size:14px;font-weight:800}.main-nav a{opacity:.88;position:relative}.main-nav a:hover,.main-nav .active{color:var(--green2)}.main-nav a:after{content:"";position:absolute;left:0;right:0;bottom:-10px;height:2px;background:var(--green2);transform:scaleX(0);transition:.25s}.main-nav a:hover:after,.main-nav .active:after{transform:scaleX(1)}.nav-actions{display:flex;gap:10px}.nav-toggle{display:none;margin-left:auto;background:transparent;color:white;border:1px solid var(--line);border-radius:12px;padding:8px 12px;font-size:22px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:12px 19px;font-weight:900;border:1px solid transparent;transition:.22s;cursor:pointer}.btn:hover{transform:translateY(-2px)}.btn-green{background:linear-gradient(135deg,var(--green),var(--green2));color:#fff;box-shadow:0 16px 40px rgba(32,191,63,.25)}.btn-outline{border-color:rgba(255,255,255,.28);background:rgba(255,255,255,.045)}.btn-large{padding:15px 24px}.section{padding:82px 0}.hero{position:relative;overflow:hidden;padding:56px 0 48px;background:radial-gradient(circle at 78% 15%,rgba(32,191,63,.16),transparent 22%),linear-gradient(180deg,#021027 0%,#061f44 62%,#03142c 100%)}.hero:before{content:"";position:absolute;inset:-1px;background:linear-gradient(90deg,rgba(3,20,44,.98) 0%,rgba(3,20,44,.88) 38%,rgba(3,20,44,.3) 100%);z-index:0}.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:.88fr 1.12fr;gap:40px;align-items:center}.eyebrow,.section-label,.section-title span{display:inline-flex;gap:10px;align-items:center;text-transform:uppercase;color:var(--green2);font-size:13px;font-weight:950;letter-spacing:.12em}.eyebrow:before,.section-label:before,.section-title span:before{content:"";width:32px;height:3px;background:var(--green2);border-radius:99px}.hero h1{font-size:clamp(40px,5vw,68px);line-height:1.05;margin:18px 0;color:#fff}.hero h1 span{color:var(--green2)}.hero p{font-size:18px;color:#d8e5f6;max-width:640px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}.hero-media{position:relative}.hero-media img{height:460px;width:100%;object-fit:cover;border-radius:34px;box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.18);clip-path:polygon(10% 0,100% 0,100% 100%,0 100%,0 14%)}.media-badge{position:absolute;left:25px;bottom:24px;background:rgba(3,20,44,.82);border:1px solid rgba(105,215,55,.42);padding:13px 18px;border-radius:16px;font-weight:900}.metrics{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:34px}.metrics article{background:linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.04));border:1px solid var(--line);border-radius:var(--radius);padding:19px;box-shadow:0 15px 40px rgba(0,0,0,.18)}.metrics span{display:inline-grid;place-items:center;width:48px;height:48px;border-radius:50%;background:rgba(32,191,63,.14);color:var(--green2);font-size:26px}.metrics p{margin:8px 0 2px;color:#d7e5f7;font-weight:800}.metrics strong{font-size:34px;color:#fff}.about,.audience-section{background:#041932}.about-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:32px;align-items:center}.photo-card,.content-card,.service-card,.segment,.process-line article,.project-card,.contact-info,.contact-form{background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.035));border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.photo-card img{height:430px;width:100%;object-fit:cover}.content-card{padding:38px}.content-card h2,.section-title h2,.contact-info h2{font-size:clamp(30px,3.2vw,46px);line-height:1.15;margin:12px 0 16px}.content-card p,.section-title p{color:var(--muted)}.icon-points{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:26px}.icon-points div{padding:16px;border-radius:18px;background:rgba(255,255,255,.045);border:1px solid var(--line);text-align:center}.icon-points b{display:block;color:var(--green2);font-size:28px}.icon-points strong{display:block;margin:6px 0}.icon-points small{color:var(--muted)}.compact{background:linear-gradient(180deg,#061f44,#03142c)}.section-title{text-align:center;max-width:800px;margin:0 auto 34px}.section-title h2{margin-bottom:0}.card-grid{display:grid;gap:20px}.four{grid-template-columns:repeat(4,1fr)}.three{grid-template-columns:repeat(3,1fr)}.service-card img{height:168px;width:100%;object-fit:cover}.service-card div{padding:20px}.service-card i{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--green);font-style:normal;margin-bottom:10px}.service-card h3,.segment h3,.project-card h3{margin:0 0 8px}.service-card p,.segment p,.project-card p{margin:0;color:var(--muted);font-size:14px}.segment img{height:175px;width:100%;object-fit:cover}.segment h3,.segment p{padding-left:20px;padding-right:20px}.segment h3{padding-top:18px}.segment p{padding-bottom:22px}.process{background:#03142c}.process-line{display:grid;grid-template-columns:repeat(6,1fr);gap:13px;position:relative}.process-line article{padding:20px;text-align:center}.process-line b{display:block;color:var(--green2);font-size:13px}.process-line i{display:inline-grid;place-items:center;width:56px;height:56px;border-radius:50%;border:1px solid rgba(105,215,55,.55);color:#fff;font-size:26px;font-style:normal;margin:8px 0 13px;background:rgba(255,255,255,.04)}.process-line h3{font-size:17px;line-height:1.25}.process-line p{font-size:13px;color:var(--muted);margin:0}.benefits{padding:48px 0;background:linear-gradient(90deg,#041932,#092e63,#041932);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.benefits h2{text-align:center;color:var(--green2);font-size:30px;margin:0 0 25px}.benefit-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.benefit-strip div{padding:18px;border-radius:18px;background:rgba(255,255,255,.06);border:1px solid var(--line)}.benefit-strip span{color:var(--green2);font-size:30px}.benefit-strip strong{display:block;margin:5px 0}.benefit-strip small{color:var(--muted)}.project-card img{height:220px;width:100%;object-fit:cover}.project-card div{padding:20px}.project-card small{color:var(--green2);font-weight:800}.center{text-align:center;margin-top:28px}.contact{background:radial-gradient(circle at 20% 20%,rgba(32,191,63,.13),transparent 28%),#03142c}.contact-grid{display:grid;grid-template-columns:.86fr 1.14fr;gap:30px}.contact-info,.contact-form{padding:34px}.contact-info p{color:var(--muted)}.contact-info ul{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:11px}.contact-info li{display:grid;grid-template-columns:100px 1fr;gap:10px;align-items:center;padding:12px 14px;border-radius:16px;background:rgba(255,255,255,.05);border:1px solid var(--line)}.contact-info a{color:var(--green2);font-weight:900}.contact-form{display:grid;grid-template-columns:1fr 1fr;gap:15px}label{display:grid;gap:7px;font-weight:800;color:#e8f1ff}input,select,textarea{width:100%;border:1px solid rgba(255,255,255,.17);background:rgba(255,255,255,.06);color:#fff;border-radius:14px;padding:14px 15px;outline:none}textarea{min-height:132px;resize:vertical}.full{grid-column:1/-1}.site-footer{background:#020b19;border-top:1px solid var(--line);padding:46px 0 0;position:relative}.site-footer:before{content:"";position:absolute;top:0;left:0;right:0;height:5px;background:linear-gradient(90deg,var(--green),#fff,var(--green2))}.footer-grid{display:grid;grid-template-columns:1.35fr .7fr 1fr 1.25fr;gap:30px}.footer-grid img{width:110px;border-radius:18px}.footer-grid p,.footer-grid a{color:var(--muted)}.footer-grid a{display:block;margin:6px 0}.social{display:flex;gap:8px;flex-wrap:wrap}.social span{display:inline-grid;place-items:center;min-width:38px;height:38px;padding:0 10px;border-radius:999px;background:#0b3a7a;border:1px solid var(--line);font-weight:900}.copyright{border-top:1px solid var(--line);text-align:center;color:#8da4bf;margin-top:34px;padding:18px}.back-top{position:fixed;right:22px;bottom:20px;width:44px;height:44px;border-radius:50%;background:var(--green);display:grid;place-items:center;font-weight:900;box-shadow:var(--shadow)}.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}.reveal.visible{opacity:1;transform:translateY(0)}.delay-1{transition-delay:.1s}.delay-2{transition-delay:.2s}.delay-3{transition-delay:.3s}@media(max-width:1080px){.main-nav,.nav-actions{display:none}.nav-toggle{display:block}.site-header.open .main-nav{display:grid;position:absolute;top:82px;left:0;right:0;background:#03142c;padding:20px 4%;border-top:1px solid var(--line)}.site-header.open .main-nav a{padding:10px 0}.hero-grid,.about-grid,.contact-grid{grid-template-columns:1fr}.four{grid-template-columns:repeat(2,1fr)}.three{grid-template-columns:1fr}.metrics,.benefit-strip{grid-template-columns:repeat(2,1fr)}.process-line{grid-template-columns:repeat(3,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.hero-media img{height:390px}}@media(max-width:680px){.section{padding:62px 0}.hero{padding-top:42px}.brand strong{font-size:15px}.brand em{font-size:12px}.brand img{width:52px;height:52px}.hero h1{font-size:39px}.hero-media img{height:300px;clip-path:none}.metrics,.four,.process-line,.benefit-strip,.contact-form,.footer-grid,.icon-points{grid-template-columns:1fr}.contact-info li{grid-template-columns:1fr}.media-badge{position:static;margin-top:12px}.nav-shell{min-height:74px}}
.language-switcher{display:flex;gap:6px;align-items:center;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.05);border-radius:999px;padding:5px;margin-left:2px}.language-switcher button, .language-switcher a{border:0;border-radius:999px;padding:7px 10px;background:transparent;color:#d8e5f6;font-weight:900;cursor:pointer;transition:.2s;line-height:1}.language-switcher button, .language-switcher a:hover,.language-switcher button, .language-switcher a.active{background:linear-gradient(135deg,var(--green),var(--green2));color:#fff;box-shadow:0 10px 26px rgba(32,191,63,.25)}html[lang="zh-CN"] body{font-family:"Microsoft YaHei","Noto Sans SC",Inter,Segoe UI,Arial,sans-serif}html[lang="zh-CN"] .hero h1{letter-spacing:.01em}html[lang="zh-CN"] .main-nav{gap:18px}@media(max-width:1080px){.language-switcher{margin-left:auto}.site-header.open .language-switcher{position:absolute;top:22px;right:74px}.site-header.open .main-nav{padding-top:20px}.nav-actions{display:none}}@media(max-width:680px){.language-switcher button, .language-switcher a{padding:6px 8px;font-size:12px}.site-header.open .language-switcher{right:62px}.nav-shell{gap:10px}}

.language-switcher a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}


/* V4.2 header + language UI fix */
.site-header{overflow:visible}
.nav-shell{gap:16px;flex-wrap:nowrap}
.brand{flex:0 0 auto}
.brand span{white-space:nowrap}
.brand strong{font-size:18px}
.brand em{font-size:13px;letter-spacing:.3em}
.main-nav{gap:18px;flex:1 1 auto;justify-content:center;align-items:center;min-width:0;font-size:13.5px}
.main-nav a,.nav-actions .btn,.language-switcher a{white-space:nowrap}
.main-nav a{display:inline-flex;align-items:center;line-height:1.2}
.language-switcher{flex:0 0 auto}
.language-switcher a{min-width:46px;padding:8px 12px;font-size:14px}
.language-switcher a[data-lang="zh"]{min-width:60px}
.nav-actions{flex:0 0 auto}
.nav-actions .btn{padding:11px 18px;font-size:14px}
.hero-copy,.hero-copy *{word-break:normal}
html[lang="zh-CN"] .hero h1, html[lang="zh-CN"] .hero p, html[lang="zh-CN"] .main-nav a{word-break:keep-all}
html[lang="zh-CN"] .section-title h2, html[lang="zh-CN"] .content-card h2, html[lang="zh-CN"] .contact-info h2{word-break:keep-all}
@media(max-width:1320px){
  .container{width:min(1240px,94vw)}
  .nav-shell{gap:12px}
  .brand img{width:56px;height:56px}
  .brand strong{font-size:17px}
  .brand em{font-size:12px}
  .main-nav{gap:14px;font-size:12.8px}
  .language-switcher a{min-width:42px;padding:7px 10px;font-size:13px}
  .language-switcher a[data-lang="zh"]{min-width:56px}
  .nav-actions .btn{padding:10px 14px;font-size:13px}
}
@media(max-width:1180px){
  .main-nav{gap:12px;font-size:12px}
  .nav-actions .btn{padding:10px 12px;font-size:12px}
}
@media(max-width:1080px){
  .main-nav,.nav-actions{display:none}
}