*{box-sizing:border-box;margin:0;padding:0}
:root{--deep:#0F172A;--blue:#3B82F6;--gold:#F59E0B;--white:#F8FAFC;--char:#1E293B;--muted:#64748B;--line:#E2E8F0;--shadow:0 4px 16px rgba(0,0,0,.1);--r:16px}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans SC","PingFang SC",sans-serif;color:var(--char);background:var(--white);line-height:1.7;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
button{font-family:inherit}
.nav{position:sticky;top:0;z-index:20;background:rgba(15,23,42,.96);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.08)}
.nav-inner{max-width:520px;margin:0 auto;padding:14px 20px;display:flex;justify-content:space-between;align-items:center}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px}
.brand img{width:40px;height:40px;border-radius:50%;object-fit:cover;border:2px solid var(--gold)}
.links{display:none}
.btn-primary,.btn-line{display:inline-flex;align-items:center;justify-content:center;width:100%;min-height:52px;padding:14px 22px;border-radius:12px;border:0;font-size:16px;font-weight:700;cursor:pointer}
.btn-primary{background:var(--gold);color:var(--deep);box-shadow:0 4px 16px rgba(245,158,11,.28)}
.btn-line{background:transparent;color:var(--deep);border:1.5px solid rgba(15,23,42,.28)}
.wrap{max-width:520px;margin:0 auto;padding:56px 20px}
.hero{min-height:100vh;background:var(--deep);display:flex;align-items:center;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;top:-30%;right:-30%;width:80%;height:80%;background:radial-gradient(circle,rgba(59,130,246,.12),transparent 70%)}
.hero .wrap{position:relative;z-index:1;padding-top:72px;padding-bottom:88px}
.hero h1,.page-title{font-size:34px;line-height:1.23;font-weight:800;color:var(--deep);margin-bottom:18px;letter-spacing:0}
.hero h1,.hero .page-title{color:#fff}
.mark{background:none;color:#fff}
.lead{font-size:18px;line-height:1.65;color:#475569;font-weight:600;margin-bottom:14px}
.sub{font-size:16px;line-height:1.85;color:var(--muted);font-weight:400}
.hero .lead{color:rgba(255,255,255,.82)}
.hero .sub{color:rgba(255,255,255,.66)}
.quote{margin:28px 0 0;padding:16px 18px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:14px;color:rgba(255,255,255,.72);font-size:15px;line-height:1.8}
.actions{display:flex;flex-direction:column;gap:12px;margin-top:28px}
.hero .btn-line,.footer .btn-line{color:#fff;border-color:rgba(255,255,255,.55)}
.section{padding:56px 0;border:0}
.section:nth-of-type(odd){background:#fff}
.section:nth-of-type(even){background:var(--white)}
.eyebrow{display:block;margin-bottom:12px;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:2px}
.section h2{font-size:26px;line-height:1.3;color:var(--deep);font-weight:800;margin-bottom:22px}
.grid,.grid.two{display:grid;grid-template-columns:1fr;gap:14px}
.card,.case,.service{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 20px;box-shadow:0 1px 3px rgba(0,0,0,.06)}
.card h3{font-size:19px;line-height:1.35;color:var(--deep);margin-bottom:8px}
.card p,.case p,.service p,.article p{font-size:16px;color:var(--muted);line-height:1.8;margin-bottom:10px}
.meta{font-size:14px;color:var(--muted);margin-top:10px}
.story p{font-size:16px;line-height:1.9;color:#475569;margin-bottom:18px}
.story strong{color:var(--deep)}
.article{display:block;padding:24px 0;border-bottom:1px solid var(--line)}
.article h3{font-size:21px;line-height:1.35;color:var(--deep);margin-bottom:8px}
.case,.service{margin-bottom:16px}
.case h2,.service h2{font-size:23px;line-height:1.32;color:var(--deep);margin-bottom:14px}
.service h3{font-size:19px;line-height:1.35;color:var(--deep);margin:18px 0 8px}
.tag{display:inline-block;margin:0 6px 8px 0;padding:4px 10px;border-radius:999px;background:#FEF3C7;color:#92400E;font-size:13px;font-weight:700}
.footer{background:var(--deep);color:rgba(255,255,255,.55);padding:34px 20px;text-align:center;font-size:14px}
.footer a{text-decoration:underline}
.diagnosis-overlay{position:fixed;inset:0;background:var(--white);z-index:99;display:none;overflow:auto}
.diagnosis-overlay.active{display:block}
.diag-box{max-width:520px;margin:0 auto;padding:52px 20px}
.diag-card{background:#fff;border-radius:16px;padding:24px 20px;box-shadow:var(--shadow)}
.diag-card h2{font-size:24px;line-height:1.35;color:var(--deep);margin-bottom:16px}
.diag-options{display:grid;gap:10px;margin:20px 0}
.diag-options button,.diag-next,.diag-close{border:1px solid var(--line);background:#fff;border-radius:12px;padding:14px;text-align:left;font-size:16px;cursor:pointer;color:var(--char)}
.diag-next,.diag-close{background:var(--gold);color:var(--deep);text-align:center;border:0;font-weight:700}
.diag-close{position:fixed;right:16px;top:16px;width:42px;height:42px;padding:0}
.diag-textarea{width:100%;min-height:140px;border:1px solid var(--line);border-radius:12px;padding:14px;font-size:16px}
.progress{height:6px;background:#E2E8F0;border-radius:99px;overflow:hidden;margin-bottom:20px}
.bar{height:100%;width:0;background:var(--gold)}
@media(min-width:760px){
  .links{display:flex;align-items:center;gap:18px;color:rgba(255,255,255,.72);font-size:14px}
  .links .btn-primary{width:auto;min-height:40px;padding:9px 14px;font-size:14px}
  .wrap,.nav-inner,.diag-box{max-width:560px}
  .hero h1{font-size:42px}
  .section h2{font-size:30px}
  .hero .actions{max-width:360px}
  .grid.two{grid-template-columns:1fr}
  .grid{grid-template-columns:1fr}
}