:root{--primary:#0B5EA8;--primary-dark:#073d72;--accent:#12A8A0;--orange:#ffb43b;--ink:#15344f;--muted:#657d91;--line:#dce8f1;--soft:#f4f8fb;--white:#fff;--shadow:0 20px 55px rgba(18,57,93,.12);--radius:18px;--container:1200px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:"Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;line-height:1.75}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}.container{width:min(var(--container),calc(100% - 40px));margin:auto}.topbar{background:#092f59;color:#d9e8f4;font-size:13px}.topbar-inner{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:20px}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(16px);border-bottom:1px solid rgba(220,232,241,.9)}.header-inner{height:80px;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand img{width:330px;max-height:64px}.nav{display:flex;align-items:center;gap:30px}.nav a{font-size:16px;font-weight:650;color:#27465f;position:relative}.nav a:after{content:"";position:absolute;left:0;right:100%;bottom:-12px;height:3px;background:linear-gradient(90deg,var(--primary),var(--accent));transition:.25s}.nav a:hover:after,.nav a.active:after{right:0}.nav-cta{padding:10px 18px!important;background:var(--primary);color:#fff!important;border-radius:999px}.nav-cta:after{display:none}.menu-toggle{display:none;border:0;background:transparent;font-size:28px}.hero{min-height:620px;position:relative;display:flex;align-items:center;background-size:cover;background-position:center;overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,35,67,.94) 0%,rgba(8,58,102,.82) 47%,rgba(8,58,102,.25) 100%)}.hero:after{content:"";position:absolute;width:620px;height:620px;border:1px solid rgba(255,255,255,.14);border-radius:50%;right:-120px;top:-180px;box-shadow:0 0 0 90px rgba(255,255,255,.04),0 0 0 180px rgba(255,255,255,.025)}.hero-content{position:relative;z-index:2;color:#fff;max-width:720px;padding:90px 0}.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:2px;font-weight:750;color:var(--accent);text-transform:uppercase}.eyebrow:before{content:"";width:34px;height:2px;background:currentColor}.hero .eyebrow{color:#74eee2}.hero h1{font-size:clamp(42px,5.2vw,72px);line-height:1.15;margin:18px 0 20px;letter-spacing:-1px}.hero p{font-size:19px;color:#dcecf6;max-width:650px}.hero-actions{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 24px;border-radius:999px;font-weight:700;border:1px solid transparent;transition:.25s}.btn-primary{background:linear-gradient(90deg,var(--primary),var(--accent));color:#fff;box-shadow:0 12px 26px rgba(0,157,172,.25)}.btn-primary:hover{transform:translateY(-2px)}.btn-light{background:#fff;color:var(--primary)}.btn-outline{border-color:rgba(255,255,255,.6);color:#fff}.hero-stats{position:relative;z-index:3;margin-top:-52px}.stats-panel{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-radius:18px;box-shadow:var(--shadow);overflow:hidden}.stat{padding:27px 30px;border-right:1px solid var(--line)}.stat:last-child{border-right:0}.stat strong{font-size:30px;color:var(--primary);display:block;line-height:1.2}.stat span{color:var(--muted);font-size:14px}.section{padding:100px 0}.section-soft{background:var(--soft)}.section-dark{background:#092f59;color:#fff}.section-head{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:45px}.section-title{font-size:clamp(32px,4vw,46px);line-height:1.25;margin:10px 0 0}.section-desc{max-width:560px;color:var(--muted)}.section-dark .section-desc{color:#c8dce9}.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}.about-image{position:relative}.about-image img{border-radius:28px}.about-badge{position:absolute;left:-28px;bottom:35px;background:#fff;padding:20px 24px;border-radius:16px;box-shadow:var(--shadow);display:flex;gap:14px;align-items:center}.about-badge strong{font-size:28px;color:var(--primary)}.prose{color:#526d83}.prose p{margin:0 0 18px}.prose h2,.prose h3{color:var(--ink);line-height:1.35;margin-top:30px}.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:28px}.feature-item{padding:16px;background:#f5f9fc;border:1px solid var(--line);border-radius:12px;font-weight:650}.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.service-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px;transition:.25s;min-height:285px;display:flex;flex-direction:column}.service-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:transparent}.icon-box{width:58px;height:58px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,#e7f3fd,#e8faf7);color:var(--primary)}.icon-box svg{width:30px;height:30px}.service-card h3{font-size:21px;margin:24px 0 10px}.service-card p{color:var(--muted);font-size:15px;margin:0}.more-link{margin-top:auto;padding-top:20px;color:var(--primary);font-weight:700}.partner-highlight{display:grid;grid-template-columns:.8fr 1.2fr;background:#fff;border-radius:28px;overflow:hidden;box-shadow:var(--shadow)}.partner-brand{background:linear-gradient(145deg,#f6fbff,#eaf6ff);display:grid;place-items:center;padding:55px}.partner-brand img{max-width:320px}.partner-copy{padding:55px}.partner-copy h2{font-size:36px;margin:8px 0 18px}.partner-copy p{color:var(--muted)}.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.article-card{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff;transition:.25s}.article-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}.article-cover{aspect-ratio:16/10;background:#edf4f8}.article-cover img{width:100%;height:100%;object-fit:cover}.article-body{padding:24px}.article-date{font-size:13px;color:var(--accent);font-weight:700}.article-body h3{margin:8px 0 10px;font-size:20px;line-height:1.45}.article-body p{color:var(--muted);font-size:14px}.cta{background:linear-gradient(120deg,#082e57,#0b6399 60%,#10a198);color:#fff;border-radius:28px;padding:55px 60px;display:flex;justify-content:space-between;align-items:center;gap:40px;overflow:hidden;position:relative}.cta:after{content:"";position:absolute;width:300px;height:300px;border:55px solid rgba(255,255,255,.06);border-radius:50%;right:-80px;top:-100px}.cta h2{font-size:34px;margin:0 0 10px}.cta p{color:#d4e8f2;margin:0}.page-hero{padding:120px 0 85px;background:linear-gradient(120deg,#082e57,#0b6499);color:#fff;position:relative;overflow:hidden}.page-hero:after{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 80% 20%,rgba(255,255,255,.14),transparent 27%),linear-gradient(90deg,transparent 49%,rgba(255,255,255,.07) 50%,transparent 51%);background-size:auto,80px 80px}.page-hero .container{position:relative;z-index:2}.page-hero h1{font-size:52px;margin:14px 0}.page-hero p{font-size:18px;color:#d5e8f3;max-width:760px}.content-hero-image{margin-top:-45px;position:relative;z-index:5}.content-hero-image img{width:100%;height:400px;object-fit:cover;border-radius:26px;box-shadow:var(--shadow)}.huanong-intro{display:grid;grid-template-columns:340px 1fr;gap:60px;align-items:start}.huanong-logo-panel{border:1px solid var(--line);border-radius:20px;padding:40px;background:#fff;position:sticky;top:110px}.huanong-logo-panel img{margin:auto}.fact-list{margin-top:28px;border-top:1px solid var(--line)}.fact{padding:14px 0;border-bottom:1px solid var(--line)}.fact small{display:block;color:var(--muted)}.fact strong{display:block;margin-top:4px}.source-note{padding:14px 18px;background:#f1f7fb;border-left:4px solid var(--primary);font-size:14px}.partners-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.partner-card{background:#fff;border:1px solid var(--line);border-radius:18px;min-height:190px;padding:26px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;transition:.25s}.partner-card:hover{box-shadow:var(--shadow);transform:translateY(-5px)}.partner-card img{max-width:230px;max-height:75px;object-fit:contain;margin-bottom:18px}.partner-placeholder{width:70px;height:70px;border-radius:22px;background:linear-gradient(135deg,#e7f3fd,#e8faf7);display:grid;place-items:center;color:var(--primary);margin-bottom:16px}.partner-placeholder svg{width:36px}.partner-card h3{font-size:18px;margin:0 0 6px}.partner-card p{font-size:14px;color:var(--muted);margin:0}.notice{padding:20px 24px;border:1px solid #f2d99e;background:#fff9e9;border-radius:14px;color:#795d20}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:50px}.article-main{font-size:17px}.article-main img{border-radius:16px;margin:25px 0}.article-sidebar{position:sticky;top:110px;height:max-content}.sidebar-box{border:1px solid var(--line);border-radius:18px;padding:24px;margin-bottom:20px}.sidebar-box h3{margin-top:0}.site-footer{background:#071f39;color:#b9cddd;padding:68px 0 26px}.footer-grid{display:grid;grid-template-columns:1.5fr .7fr .9fr;gap:70px}.footer-brand{filter:brightness(0) invert(1);opacity:.95;width:340px}.footer-text{margin-top:20px;max-width:520px;color:#9fb8ca}.footer-title{color:#fff;font-size:17px;margin:0 0 18px}.footer-links{display:grid;gap:10px}.footer-contact{display:grid;gap:12px}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:50px;padding-top:22px;font-size:13px;display:flex;justify-content:space-between;gap:20px}.footer-bottom a:hover{color:#fff}.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:30px}.gallery img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:14px}.empty{padding:50px;text-align:center;color:var(--muted);background:var(--soft);border-radius:18px}
@media(max-width:980px){.topbar{display:none}.header-inner{height:70px}.brand img{width:270px}.menu-toggle{display:block}.nav{display:none;position:absolute;top:70px;left:0;right:0;background:#fff;padding:20px;flex-direction:column;align-items:stretch;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}.nav.open{display:flex}.nav a{padding:8px}.hero{min-height:580px}.stats-panel{grid-template-columns:repeat(2,1fr)}.stat:nth-child(2){border-right:0}.about-grid,.huanong-intro,.partner-highlight{grid-template-columns:1fr}.huanong-logo-panel{position:static}.service-grid{grid-template-columns:repeat(2,1fr)}.article-grid,.partners-grid{grid-template-columns:repeat(2,1fr)}.article-layout{grid-template-columns:1fr}.article-sidebar{position:static}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}
@media(max-width:640px){.container{width:min(100% - 26px,var(--container))}.brand img{width:235px}.hero{min-height:560px}.hero-content{padding:70px 0}.hero h1{font-size:40px}.hero p{font-size:16px}.hero-stats{margin-top:-28px}.stats-panel{grid-template-columns:1fr 1fr}.stat{padding:18px}.stat strong{font-size:24px}.section{padding:70px 0}.section-head{display:block}.about-grid{gap:36px}.about-badge{left:12px;bottom:12px}.feature-list,.service-grid,.article-grid,.partners-grid,.gallery{grid-template-columns:1fr}.partner-copy,.partner-brand{padding:35px 25px}.cta{padding:38px 28px;display:block}.cta .btn{margin-top:25px}.page-hero{padding:90px 0 70px}.page-hero h1{font-size:40px}.content-hero-image img{height:260px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}}

/* Expanded corporate sections */
.service-grid-six{grid-template-columns:repeat(3,1fr)}
.capability-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.capability-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;min-height:230px}.capability-card span{display:inline-flex;width:44px;height:30px;border-radius:999px;align-items:center;justify-content:center;background:#e9f5fb;color:var(--primary);font-size:13px;font-weight:800}.capability-card h3{font-size:21px;margin:22px 0 10px}.capability-card p{color:var(--muted);font-size:15px;margin:0}
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.scene-card{margin:0;border-radius:20px;overflow:hidden;background:#0c3a65;border:1px solid rgba(255,255,255,.12)}.scene-card.light{background:#fff;border-color:var(--line);box-shadow:0 10px 30px rgba(18,57,93,.06)}.scene-card img{width:100%;height:300px;object-fit:cover;display:block}.scene-card figcaption{padding:18px 22px;font-size:17px;font-weight:750;color:#fff}.scene-card.light figcaption{color:var(--ink)}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.process-step{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;position:relative}.process-step b{display:inline-grid;place-items:center;width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff}.process-step h3{margin:20px 0 8px;font-size:20px}.process-step p{margin:0;color:var(--muted);font-size:14px}
.roadmap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.roadmap-grid>div{border:1px solid rgba(255,255,255,.16);border-radius:18px;padding:28px;background:rgba(255,255,255,.04)}.roadmap-grid b{color:#6ff0e4}.roadmap-grid h3{font-size:22px;margin:14px 0 10px}.roadmap-grid p{color:#c8dce9;margin:0}.center-action{text-align:center;margin-top:38px}
.mode-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.mode-grid>div{border-top:4px solid var(--accent);background:#fff;border-radius:16px;box-shadow:0 10px 32px rgba(18,57,93,.08);padding:28px}.mode-grid h3{margin:0 0 10px}.mode-grid p{margin:0;color:var(--muted)}
.consultation-section{background:linear-gradient(135deg,#f3f8fc,#eaf7f5)}.consultation-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:70px;align-items:start}.contact-points{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:30px}.contact-points>div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px}.contact-points small{display:block;color:var(--muted);margin-bottom:6px}.contact-points strong{display:block;font-size:15px}.consultation-form{background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px;box-shadow:var(--shadow);display:grid;grid-template-columns:1fr 1fr;gap:18px}.form-row{display:grid;gap:8px}.form-row:nth-of-type(6){grid-column:1/-1}.form-row label{font-weight:700;font-size:14px}.form-row input,.form-row select,.form-row textarea{width:100%;border:1px solid #cfdde7;border-radius:10px;padding:12px 13px;background:#fff;font:inherit;color:var(--ink);outline:none}.form-row input:focus,.form-row select:focus,.form-row textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(11,94,168,.1)}.consultation-form>.btn{grid-column:1/-1;width:max-content}.site-notice{grid-column:1/-1;padding:13px 16px;border-radius:10px;background:#eaf7f1;color:#177356}.site-notice.error{background:#fff0ee;color:#a63b2f}.hp-field{position:absolute!important;left:-9999px!important;opacity:0!important;pointer-events:none!important}

@media(max-width:980px){.service-grid-six,.capability-grid,.process-grid{grid-template-columns:repeat(2,1fr)}.scene-grid,.roadmap-grid,.mode-grid{grid-template-columns:1fr 1fr}.consultation-grid{grid-template-columns:1fr}.scene-card img{height:260px}}
@media(max-width:640px){.service-grid-six,.capability-grid,.process-grid,.scene-grid,.roadmap-grid,.mode-grid,.contact-points{grid-template-columns:1fr}.consultation-form{grid-template-columns:1fr;padding:22px}.form-row:nth-of-type(6),.consultation-form>.btn,.site-notice{grid-column:auto}.consultation-form>.btn{width:100%}.scene-card img{height:230px}}