:root{--navy:#0b2545;--teal:#0f766e;--green:#22c55e;--ink:#102033;--muted:#5b6777;--bg:#f5f8f7;--line:#dbe6e1;--card:#ffffff;--amber:#f59e0b}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.6}a{color:var(--teal);text-decoration:none}a:hover{text-decoration:underline}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:22px;padding:14px 5vw}.brand{display:flex;align-items:center;gap:10px;color:var(--navy);min-width:210px}.brand:hover{text-decoration:none}.brand-mark{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--navy),var(--teal));color:white;display:grid;place-items:center;font-weight:800}.brand small{display:block;color:var(--muted);font-size:12px}.main-nav{display:flex;gap:16px;align-items:center;flex:1;justify-content:center}.main-nav a{font-size:14px;color:#263645}.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--teal);color:white;border-radius:999px;padding:11px 18px;font-weight:700;border:0}.nav-cta:hover,.btn:hover{text-decoration:none;background:#0b5f59}.btn.secondary{background:#e8f4f0;color:var(--teal)}.btn.dark{background:var(--navy)}.menu-toggle{display:none;border:0;background:transparent;font-size:28px}.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#09243f 0%,#0f766e 58%,#16a34a 100%);color:white;padding:86px 5vw 72px}.hero:after{content:"";position:absolute;right:-160px;top:-120px;width:520px;height:520px;border-radius:50%;background:rgba(255,255,255,.12)}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:42px;align-items:center;max-width:1220px;margin:auto;position:relative;z-index:1}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:13px;font-weight:800;color:#bfffe2}.hero h1{font-size:clamp(40px,6vw,72px);line-height:1.02;margin:12px 0 18px}.hero p{font-size:20px;max-width:760px;color:#e7fff7}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}.hero-card{background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.22);border-radius:30px;padding:28px;box-shadow:0 20px 60px rgba(0,0,0,.2)}.hero-card .metric{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.metric div{background:rgba(255,255,255,.12);padding:16px;border-radius:20px}.metric strong{font-size:26px;display:block}.section{padding:74px 5vw}.section.alt{background:var(--bg)}.wrap{max-width:1220px;margin:auto}.section-head{max-width:820px;margin-bottom:34px}.section-head h2,.page-title h1{font-size:clamp(30px,4vw,48px);line-height:1.1;margin:0 0 14px;color:var(--navy)}.section-head p,.page-title p{font-size:18px;color:var(--muted)}.grid{display:grid;gap:22px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:26px;box-shadow:0 12px 34px rgba(11,37,69,.06)}.card h3{margin-top:0;color:var(--navy);font-size:22px}.tag{display:inline-block;background:#e8f4f0;color:var(--teal);padding:6px 10px;border-radius:999px;font-size:12px;font-weight:800;margin-bottom:14px}.kicker{color:var(--teal);font-weight:800}.list{padding-left:18px}.list li{margin:8px 0}.split{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}.visual{min-height:330px;border-radius:34px;background:linear-gradient(135deg,#e7f8f3,#f2f9ff);border:1px solid var(--line);position:relative;overflow:hidden}.visual:before,.visual:after{content:"";position:absolute;border-radius:32px;background:linear-gradient(135deg,var(--teal),var(--green));opacity:.78}.visual:before{width:48%;height:54%;left:10%;top:14%}.visual:after{width:48%;height:40%;right:9%;bottom:12%;background:linear-gradient(135deg,var(--navy),#60a5fa)}.page-hero{background:linear-gradient(135deg,#f4fbf8,#eaf3ff);padding:66px 5vw;border-bottom:1px solid var(--line)}.breadcrumb{font-size:14px;color:var(--muted);margin-bottom:14px}.page-title{max-width:980px}.cta-band{background:var(--navy);color:white;border-radius:32px;padding:42px;display:flex;justify-content:space-between;gap:24px;align-items:center}.cta-band p{color:#d9ecff}.feature-table{width:100%;border-collapse:collapse;background:white;border:1px solid var(--line);border-radius:20px;overflow:hidden}.feature-table th,.feature-table td{padding:15px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.feature-table th{background:#f0f7f5;color:var(--navy)}.form{display:grid;gap:15px}.form input,.form select,.form textarea{width:100%;border:1px solid var(--line);border-radius:14px;padding:13px;font:inherit}.form textarea{min-height:150px}.notice{background:#fffbeb;border:1px solid #fde68a;border-radius:18px;padding:18px;color:#6b4c00}.site-footer{background:#061a2e;color:#d7e6f0;display:grid;grid-template-columns:1.3fr .7fr 1fr;gap:28px;padding:46px 5vw}.site-footer h2,.site-footer h3{color:white}.site-footer a{color:#9fffd7}.pill-row{display:flex;gap:10px;flex-wrap:wrap}.pill{background:#eef8f5;border:1px solid var(--line);border-radius:999px;padding:8px 12px;font-weight:700;color:#31515a}.download{display:flex;justify-content:space-between;gap:20px;align-items:center}.muted{color:var(--muted)}@media(max-width:980px){.hero-grid,.split,.grid-2,.grid-3,.grid-4,.site-footer{grid-template-columns:1fr}.main-nav,.nav-cta{display:none}.menu-toggle{display:block;margin-left:auto}.menu-open .main-nav{display:flex;position:absolute;left:0;right:0;top:71px;background:white;border-bottom:1px solid var(--line);padding:18px 5vw;flex-direction:column;align-items:flex-start}.hero{padding-top:58px}.cta-band{display:block}.hero-card .metric{grid-template-columns:1fr}.download{display:block}.site-header{gap:10px}.brand{min-width:auto}.brand small{display:none}}

.brand-logo{height:48px;width:auto;display:block}.brand-mark{display:none}.external-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.btn.outline{background:white;color:var(--teal);border:1px solid var(--teal)}.btn.outline:hover{background:#e8f4f0}.product-link-note{font-size:14px;color:var(--muted);margin-top:10px}.brand-media{width:100%;border-radius:26px;border:1px solid rgba(255,255,255,.22);box-shadow:0 20px 60px rgba(0,0,0,.20);background:white}.image-card{padding:0;overflow:hidden}.image-card img{display:block;width:100%;height:auto}.link-list{display:grid;gap:10px;margin-top:18px}.link-list a{display:flex;justify-content:space-between;align-items:center;border:1px solid var(--line);border-radius:16px;padding:12px 14px;background:#fff}.partner-link-card{border-top:1px solid var(--line);margin-top:18px;padding-top:18px}.badge-muted{display:inline-block;background:#f3f6f5;color:#52616d;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:800}


/* V3 header fix: keep logo compact and prevent navigation overlay */
.site-header{
  min-height:76px;
  padding:10px clamp(18px,4vw,56px);
  gap:18px;
  align-items:center;
}
.brand{
  flex:0 0 auto;
  width:220px;
  min-width:190px;
  max-width:28vw;
  overflow:hidden;
}
.brand-logo{
  width:220px !important;
  max-width:100% !important;
  height:auto !important;
  max-height:64px !important;
  object-fit:contain !important;
  display:block !important;
}
.main-nav{
  justify-content:flex-end;
  gap:clamp(10px,1.2vw,18px);
  flex-wrap:wrap;
  line-height:1.2;
}
.main-nav a{white-space:nowrap;}
.nav-cta{flex:0 0 auto;white-space:nowrap;}
.hero{padding-top:76px;}
.hero-card.image-card{background:white;}
.hero-card.image-card img{border-radius:22px;}
.image-card img{max-width:100%;height:auto;}
@media(max-width:1180px){
  .brand{width:180px;min-width:170px;max-width:34vw;}
  .brand-logo{width:180px !important;max-height:58px !important;}
  .main-nav{gap:10px;}
  .main-nav a{font-size:13px;}
  .nav-cta{padding:10px 14px;font-size:14px;}
}
@media(max-width:980px){
  .site-header{min-height:70px;}
  .brand{width:178px;min-width:160px;max-width:70vw;}
  .brand-logo{width:178px !important;max-height:54px !important;}
  .menu-open .main-nav{top:70px;}
}


/* V4 compact header: text + icon brand, no large logo in navigation */
.site-header.v4-header{
  position:sticky; top:0; z-index:100;
  min-height:76px; padding:10px clamp(18px,4vw,56px);
  display:flex; align-items:center; gap:18px;
  background:rgba(255,255,255,.96); backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.v4-header .brand{width:auto; min-width:220px; max-width:none; display:flex; align-items:center; gap:10px; flex:0 0 auto; overflow:visible;}
.v4-header .brand-icon{width:46px !important; height:46px !important; max-width:46px !important; max-height:46px !important; object-fit:contain !important; display:block !important; flex:0 0 46px;}
.v4-header .brand-text{display:flex; flex-direction:column; line-height:1.05;}
.v4-header .brand-name{font-size:24px; font-weight:850; color:var(--teal); letter-spacing:.01em;}
.v4-header .brand-subtitle{font-size:11px; font-weight:800; letter-spacing:.18em; color:var(--navy); text-transform:uppercase; margin-top:4px;}
.v4-header .main-nav{flex:1; justify-content:flex-end; gap:clamp(10px,1.1vw,16px); flex-wrap:wrap;}
.v4-header .main-nav a{white-space:nowrap; font-size:14px;}
.v4-header .nav-cta{flex:0 0 auto; white-space:nowrap;}
@media(max-width:1180px){
  .v4-header .brand{min-width:170px;}
  .v4-header .brand-icon{width:40px !important;height:40px !important;max-width:40px !important;max-height:40px !important;flex-basis:40px;}
  .v4-header .brand-name{font-size:21px;}
  .v4-header .brand-subtitle{font-size:9px;letter-spacing:.13em;}
  .v4-header .main-nav a{font-size:13px;}
  .v4-header .nav-cta{padding:9px 13px;font-size:13px;}
}
@media(max-width:980px){
  .site-header.v4-header{min-height:68px;}
  .v4-header .brand{min-width:0;}
  .v4-header .brand-icon{width:42px !important;height:42px !important;max-width:42px !important;max-height:42px !important;flex-basis:42px;}
  .v4-header .brand-name{font-size:22px;}
  .v4-header .brand-subtitle{display:none;}
  .menu-open .v4-header .main-nav{top:68px;}
}


/* V5 refinements: balanced homepage hero, social links, duplicate-button cleanup support */
.hero{padding:62px 5vw 58px;}
.hero-grid{grid-template-columns:minmax(0,.88fr) minmax(460px,1.12fr);gap:52px;max-width:1320px;}
.hero h1{font-size:clamp(34px,4.7vw,58px);line-height:1.08;letter-spacing:-.035em;max-width:760px;}
.hero p{font-size:clamp(17px,1.45vw,20px);max-width:760px;}
.hero-card.image-card{padding:18px;border-radius:28px;}
.hero-card.image-card img{width:100%;border-radius:20px;}
.hero .brand-media{min-height:220px;object-fit:contain;}
.site-footer{grid-template-columns:1.2fr .75fr 1fr 1fr;}
.social-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px;}
.social-links a{display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(159,255,215,.28);border-radius:999px;padding:8px 12px;font-weight:700;color:#9fffd7;background:rgba(255,255,255,.04);}
.social-links a:hover{background:rgba(255,255,255,.09);text-decoration:none;}
.social-card .social-links a{color:var(--teal);border-color:var(--line);background:#fff;}
.social-card .social-links a:hover{background:#e8f4f0;}
@media(max-width:1180px){
  .hero-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .hero h1{font-size:clamp(34px,5vw,50px);}
}
@media(max-width:980px){
  .hero{padding:50px 5vw 52px;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-card.image-card{max-width:760px;}
  .site-footer{grid-template-columns:1fr;}
}


/* V13: Jinjiang Electronics navigation logo and About partner card fix */
.site-header .jjdz-nav-link{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:44px;
  padding:0 8px;
  border:1px solid rgba(15,118,110,.16);
  border-radius:12px;
  background:#fff;
  line-height:0;
  flex:0 0 auto;
}
.site-header .jjdz-nav-logo{
  display:block !important;
  width:auto !important;
  height:32px !important;
  max-width:120px !important;
  max-height:32px !important;
  object-fit:contain !important;
}
.about-partner-logo{
  display:block;
  width:260px;
  max-width:100%;
  height:auto;
  object-fit:contain;
  margin:0 0 18px;
}
.partner-background-card{
  border:1px solid rgba(15,118,110,.16);
  background:#fff;
}
@media (max-width: 960px){
  .site-header .jjdz-nav-link{height:40px; padding:0 6px;}
  .site-header .jjdz-nav-logo{height:28px !important; max-height:28px !important; max-width:105px !important;}
}


/* V14 home header hardening: prevent Jinjiang logo from expanding on root homepage */
.site-header.v4-header .jjdz-nav-link{display:inline-flex!important;align-items:center!important;justify-content:center!important;width:156px!important;max-width:156px!important;height:46px!important;max-height:46px!important;padding:0 8px!important;border:1px solid rgba(15,118,110,.16)!important;border-radius:12px!important;background:#fff!important;overflow:hidden!important;line-height:0!important;flex:0 0 156px!important;}
.site-header.v4-header .jjdz-nav-logo{display:block!important;width:auto!important;height:30px!important;max-width:132px!important;max-height:30px!important;object-fit:contain!important;}
@media(max-width:1180px){.site-header.v4-header .jjdz-nav-link{width:132px!important;max-width:132px!important;flex-basis:132px!important}.site-header.v4-header .jjdz-nav-logo{max-width:112px!important;height:26px!important;max-height:26px!important}}
@media(max-width:980px){.site-header.v4-header .jjdz-nav-link{display:none!important}}


/* V15: Australian Building Energy Efficiency Solutions Integrator repositioning */
.solution-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:24px}.solution-strip .mini-card{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:22px;padding:18px}.solution-strip .mini-card h3{margin:0 0 8px;color:#fff;font-size:18px}.solution-strip .mini-card p{margin:0;font-size:14px;color:#e7fff7}.proof-note{background:#f1f8f5;border:1px solid var(--line);border-radius:22px;padding:22px;color:#334155}.risk-note{background:#fff8e6;border:1px solid #fde68a;border-radius:22px;padding:22px;color:#654900}.focus-number{font-size:34px;font-weight:900;color:var(--teal);line-height:1;margin-bottom:10px}.solution-led{background:linear-gradient(135deg,#f7fffb,#eef6ff);border:1px solid var(--line);border-radius:28px;padding:30px}.anchor-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.capability-card{border:2px solid rgba(15,118,110,.18);background:linear-gradient(135deg,#ffffff,#f1fbf7)}.header-download-link{font-weight:700}.page-hero.integrator{background:linear-gradient(135deg,#ebfaf6,#eef6ff)}.solution-path-list{display:grid;gap:14px}.solution-path-list a{display:block;background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 18px;font-weight:800;color:var(--navy)}.solution-path-list a span{display:block;font-weight:500;color:var(--muted);margin-top:4px}.hero h1.integrator-title{font-size:clamp(36px,5.4vw,64px)}.hero .btn.secondary{background:#fff;color:var(--teal)}
@media(max-width:980px){.solution-strip,.anchor-grid{grid-template-columns:1fr}.hero h1.integrator-title{font-size:clamp(34px,10vw,52px)}}


/* V17 Australia-China platform refinements */
.platform-diagram{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:24px}
.platform-node{background:#fff;border:1px solid #dbe6e1;border-radius:22px;padding:22px;box-shadow:0 14px 40px rgba(11,37,69,.06)}
.platform-node h3{margin-top:0}
.platform-arrow{font-size:26px;color:#0f766e;align-self:center;text-align:center}
.who-list{margin-top:14px;padding:14px 16px;background:#eef8f4;border-radius:16px;color:#334155}
.download-category{border-left:5px solid #0f766e}
.store-note{background:#f7fbf9;border:1px solid #dbe6e1;border-radius:22px;padding:24px}
.demo-badge{display:inline-block;background:#e7f6f3;color:#0f766e;font-weight:800;border-radius:999px;padding:8px 14px;margin-bottom:12px}
.clean-shield-cta{background:linear-gradient(135deg,#0f766e,#0b2545);color:#fff;border-radius:28px;padding:28px}
.clean-shield-cta a{color:#fff}
@media(max-width:900px){.platform-diagram{grid-template-columns:1fr}.platform-arrow{display:none}}