:root{
  color-scheme:light;
  --ink:#111827;
  --muted:#647181;
  --line:#dfe6ee;
  --bg:#f5f7fa;
  --panel:#fff;
  --accent:#087568;
  --accent-dark:#075f57;
  --steel:#172638;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;overflow-x:hidden;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}
a{color:inherit;text-decoration:none}
.site-header{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:68px;padding:0 clamp(24px,4vw,72px);background:rgba(255,255,255,.96);border-bottom:1px solid rgba(15,23,42,.14);backdrop-filter:blur(14px)}
.brand-cluster{display:flex;align-items:baseline;gap:20px;min-width:0}
.brand{font-size:22px;font-weight:900;color:#0f172a;white-space:nowrap}
.brand-cluster span{color:#5c6675;font-size:15px;white-space:nowrap}
nav{display:flex;align-items:center;gap:44px;flex-wrap:wrap}
nav a{font-size:16px;font-weight:700;color:#142033}
nav a:hover{color:var(--accent)}
main{overflow:hidden}
.hero{display:grid;grid-template-columns:minmax(0,47.5%) minmax(0,52.5%);min-height:620px;background:#fff;border-bottom:1px solid var(--line)}
.hero-copy{display:flex;flex-direction:column;justify-content:center;padding:70px clamp(28px,4vw,58px)}
.hero-trustline{margin:0 0 22px;color:var(--accent);font-size:clamp(17px,1.4vw,22px);font-weight:900}
.hero h1{max-width:720px;margin:0;color:#0f172a;font-size:clamp(44px,3.9vw,72px);line-height:1.05;font-weight:950}
.summary{max-width:720px;margin:24px 0 0;color:#1f2a3a;font-size:clamp(20px,1.65vw,27px);line-height:1.45;font-weight:650}
.proof-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;max-width:760px;margin:46px 0 0}
.proof-row span{display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;column-gap:10px;align-items:center;min-height:58px;color:#142033}
.proof-icon{grid-row:1/3;width:38px;height:38px;color:var(--accent)}
.proof-row strong{font-size:16px;font-weight:900;line-height:1.2}
.proof-row small{color:#5e6a79;font-size:14px;font-weight:650}
.hero-actions,.cta-actions{display:flex;gap:18px;flex-wrap:wrap;margin-top:34px}
.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-width:184px;min-height:60px;border:1px solid transparent;border-radius:4px;background:linear-gradient(135deg,#0a8b7d,#087568);color:#fff;padding:14px 26px;font-size:18px;font-weight:900;cursor:pointer;box-shadow:0 18px 42px rgba(8,117,104,.18)}
.button.secondary{background:#fff;color:#111827;border-color:#8d98a8;box-shadow:none}
.button-icon{width:22px;height:22px;flex:0 0 auto}
.application-line{margin:54px 0 0;color:#5c6675;font-size:16px}
.hero-media{position:relative;min-height:620px;background:#e1e6ec}
.hero-media:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.14),rgba(255,255,255,0) 24%);pointer-events:none}
.hero-image{width:100%;height:100%;min-height:620px;display:block;object-fit:cover}
.product-section{padding:36px clamp(24px,4vw,72px) 52px;background:#fff}
.section-heading{max-width:900px;margin:0 auto 36px;text-align:center}
.section-heading h2,.content-band h2,.cta h2{margin:0;color:#0f172a;font-size:clamp(28px,3vw,40px);line-height:1.18;font-weight:950}
.section-heading h2:after{content:"";display:block;width:42px;height:3px;margin:12px auto 0;background:var(--accent)}
.section-heading p,.content-band p,.cta p{margin:10px 0 0;color:var(--muted)}
.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:42px;max-width:1710px;margin:0 auto}
.product-card{overflow:hidden;background:#fff;border-radius:6px}
.product-image-link{display:block;aspect-ratio:16/6;background:#e8edf3;border-radius:5px;overflow:hidden}
.product-image{width:100%;height:100%;display:block;object-fit:cover;transition:transform .35s ease}
.product-card:hover .product-image{transform:scale(1.035)}
.product-card-copy{padding:18px 2px 0}
.product-card h3{margin:0;color:#0f172a;font-size:22px;font-weight:950}
.product-card p{min-height:46px;margin:8px 0 10px;color:#5f6b7a;font-size:16px}
.text-link{font-weight:900;color:var(--accent)}
.content-band{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(340px,.72fr);gap:34px;max-width:1710px;margin:0 auto 28px;padding:36px 38px;border:1px solid var(--line);border-radius:6px;background:#fff}
.section-kicker{margin:0 0 8px!important;color:var(--accent)!important;font-size:14px;font-weight:900}
.generated-content{margin-top:18px;border-top:1px solid var(--line);padding-top:18px}
.detail-panel{overflow:hidden;border:1px solid #d5dde7;border-radius:6px;background:#f8fafc}
.detail-image{display:block;width:100%;aspect-ratio:16/9;object-fit:cover}
.detail-panel ul{margin:0;padding:18px 22px 20px}
.detail-panel li{margin:8px 0;color:#334155;font-weight:700}
.faq{max-width:1710px;margin:0 auto 28px;padding:34px 40px;border:1px solid var(--line);border-radius:6px;background:#fff}
.faq details{border-top:1px solid var(--line);padding:16px 0}
.faq details:first-of-type{border-top:0}
.faq summary{font-weight:900;cursor:pointer}
.faq p{color:var(--muted)}
.cta{display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,.9fr);gap:42px;max-width:1710px;margin:0 auto 34px;padding:36px 42px;border-radius:6px;background:linear-gradient(135deg,#142235,#213a55);color:#fff}
.cta p,.cta .section-kicker{color:#d7e1ec!important}
.cta h2{color:#fff}
.lead-form{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.lead-form.compact{grid-template-columns:repeat(3,minmax(0,1fr));margin:12px 0}
.lead-form label,.ai-chat label{display:grid;gap:5px;color:#e8eef5;font-size:13px;font-weight:800}
.lead-form input,.lead-form textarea,.ai-chat input,.ai-chat textarea{width:100%;border:1px solid rgba(255,255,255,.26);border-radius:4px;background:rgba(255,255,255,.94);color:#111827;padding:10px 11px;font:inherit}
.lead-form .full{grid-column:1/-1}
.button.full{width:100%}
.ai-chat{margin-top:18px;border-top:1px solid rgba(255,255,255,.18);padding-top:16px}
.form-status{min-height:22px;margin:0;color:#b5f1d6}
.link-band{align-items:center}
.link-band ul{margin:0;padding-left:20px}
footer{display:flex;justify-content:space-between;gap:16px;max-width:1710px;margin:0 auto;padding:28px clamp(24px,4vw,72px);color:#64748b}
@media (max-width:1100px){
  .brand-cluster span{display:none}
  .hero{grid-template-columns:1fr}
  .hero-copy{padding-top:52px}
  .hero-media,.hero-image{min-height:430px}
  .product-grid,.content-band,.cta{grid-template-columns:1fr}
}
@media (max-width:760px){
  .site-header{display:block;padding:14px 18px}
  .brand{font-size:18px}
  nav{margin-top:10px;gap:18px}
  .hero-copy{padding:42px 22px}
  .hero h1{font-size:40px}
  .summary{font-size:17px}
  .proof-row{grid-template-columns:1fr 1fr;gap:12px;margin-top:28px}
  .proof-row span{min-height:52px}
  .hero-actions .button,.cta-actions .button{width:100%;min-width:0}
  .application-line{margin-top:28px}
  .product-section{padding:32px 18px}
  .product-grid{gap:24px}
  .product-image-link{aspect-ratio:16/8}
  .content-band,.faq,.cta{margin-left:16px;margin-right:16px;padding:24px}
  .lead-form,.lead-form.compact{grid-template-columns:1fr}
  footer{display:block}
}
@media (max-width:420px){
  .proof-row{grid-template-columns:1fr}
}