:root{
  --bg:#f7f9fc;
  --surface:#ffffff;
  --surface-2:#eef5ff;
  --text:#152238;
  --muted:#64748b;
  --primary:#2563eb;
  --primary-2:#0ea5e9;
  --accent:#f59e0b;
  --border:#dbe4f0;
  --shadow:0 20px 50px rgba(37,99,235,.10);
  --radius:22px;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.7}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
.container{width:min(var(--max),calc(100% - 36px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(247,249,252,.92);backdrop-filter:blur(14px);border-bottom:1px solid rgba(219,228,240,.85)}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:24px}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);font-weight:800;font-size:1.25rem;text-decoration:none}
.brand img{width:44px;height:44px;border-radius:13px;object-fit:cover}
.nav-links{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.nav-links a{color:var(--text);font-weight:650;font-size:.96rem}
.nav-toggle{display:none;border:0;background:var(--surface);box-shadow:var(--shadow);border-radius:12px;padding:10px 12px;font-size:1.2rem}
.hero{padding:92px 0 72px;background:radial-gradient(circle at 12% 8%,rgba(14,165,233,.15),transparent 34%),radial-gradient(circle at 88% 14%,rgba(245,158,11,.13),transparent 28%)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:58px;align-items:center}
.eyebrow{display:inline-flex;padding:8px 13px;border-radius:999px;background:#e7f0ff;color:var(--primary);font-size:.86rem;font-weight:800;letter-spacing:.02em}
h1{font-size:clamp(2.5rem,6vw,5rem);line-height:1.04;margin:20px 0 22px;letter-spacing:-.055em}
h2{font-size:clamp(1.8rem,4vw,3rem);line-height:1.14;margin:0 0 18px;letter-spacing:-.035em}
h3{font-size:1.25rem;margin:0 0 12px}
.lead{font-size:1.16rem;color:var(--muted);max-width:720px}
.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:14px;padding:13px 18px;font-weight:800;border:1px solid transparent;text-decoration:none;transition:.2s ease}
.btn:hover{transform:translateY(-2px);text-decoration:none}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:white;box-shadow:0 14px 30px rgba(37,99,235,.23)}
.btn-secondary{background:var(--surface);color:var(--text);border-color:var(--border)}
.hero-card{background:var(--surface);border:1px solid var(--border);border-radius:32px;box-shadow:var(--shadow);padding:34px}
.hero-card img{width:210px;height:210px;margin:0 auto 26px;border-radius:46px;object-fit:cover}
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.stat{padding:16px;border-radius:16px;background:var(--surface-2);text-align:center}
.stat strong{display:block;font-size:1.35rem}
.section{padding:78px 0}
.section-alt{background:var(--surface)}
.section-head{max-width:760px;margin-bottom:34px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:0 10px 30px rgba(15,23,42,.045)}
.card p{color:var(--muted);margin:0}
.icon{width:48px;height:48px;border-radius:14px;background:linear-gradient(135deg,#dbeafe,#e0f2fe);display:grid;place-items:center;font-size:1.35rem;margin-bottom:18px}
.page-hero{padding:70px 0 44px;background:linear-gradient(180deg,#edf5ff 0%,var(--bg) 100%)}
.page-hero h1{font-size:clamp(2.4rem,5vw,4.1rem)}
.content-wrap{display:grid;grid-template-columns:280px 1fr;gap:34px;align-items:start}
.toc{position:sticky;top:100px;background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:20px}
.toc strong{display:block;margin-bottom:10px}
.toc a{display:block;padding:7px 0;color:var(--muted)}
.prose{background:var(--surface);border:1px solid var(--border);border-radius:24px;padding:34px;box-shadow:var(--shadow)}
.prose h2{font-size:1.7rem;margin-top:38px;padding-top:8px}
.prose h2:first-child{margin-top:0}
.prose h3{margin-top:26px}
.prose p,.prose li{color:#475569}
.prose ul{padding-left:22px}
.notice{border-left:4px solid var(--primary);background:#eff6ff;padding:18px 20px;border-radius:12px;margin:22px 0}
.contact-box{background:linear-gradient(135deg,#eff6ff,#fff7ed);border:1px solid var(--border);border-radius:20px;padding:24px}
.footer{padding:42px 0;border-top:1px solid var(--border);background:#0f172a;color:#cbd5e1}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:24px}
.footer a{color:#e2e8f0}
.footer h3{color:#fff}
.footer-bottom{margin-top:28px;padding-top:22px;border-top:1px solid #263349;color:#94a3b8;font-size:.92rem}
.badge{display:inline-block;padding:5px 10px;background:#ecfdf5;color:#047857;border-radius:999px;font-weight:700;font-size:.82rem}
.faq details{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:18px 20px;margin-bottom:12px}
.faq summary{cursor:pointer;font-weight:800}
.small{font-size:.9rem;color:var(--muted)}
@media(max-width:900px){
  .hero-grid,.content-wrap,.grid-3,.grid-2,.footer-grid{grid-template-columns:1fr}
  .toc{position:static}
  .nav-toggle{display:block}
  .nav-links{display:none;position:absolute;top:76px;left:18px;right:18px;background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:18px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start}
  .nav-links.open{display:flex}
}
@media(max-width:560px){
  .container{width:min(100% - 24px,var(--max))}
  .hero{padding-top:60px}
  .stat-grid{grid-template-columns:1fr}
  .prose{padding:22px}
}