*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#ffffff;
  --ink:#0f172a;
  --muted:#5b6472;
  --blue:#0b5bd3;
  --line:#e9eef5;
  --card:#ffffff;
  --radius:14px;
  --shadow:0 8px 24px rgba(10,40,80,.08);
}
html{scroll-behavior:smooth}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,'Helvetica Neue',Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6}
.wrap{width:92%;max-width:1000px;margin:0 auto}
.top{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--line);z-index:30}
.top .wrap{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800;letter-spacing:.2px}
.logo{height:26px;width:auto}
.nav a{text-decoration:none;color:#1f2937;margin-left:14px;padding:8px 10px;border-radius:10px;transition:.2s}
.nav a:hover{background:#eff4ff;color:var(--blue)}
.hero{border-bottom:1px solid var(--line);background:linear-gradient(180deg,#ffffff 0%,#f7faff 100%)}
.hero-inner{padding:74px 0;text-align:center}
.hero h1{font-size:2rem;margin-bottom:8px}
.hero p{color:var(--muted)}
.btn{display:inline-block;margin-top:14px;background:var(--blue);color:#fff;padding:10px 18px;border-radius:22px;text-decoration:none;transition:.2s}
.btn:hover{transform:translateY(-1px);opacity:.92}
.section{padding:44px 0}
.section h2{text-align:center;margin-bottom:12px;color:#0b1b34}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.card h3{margin-bottom:6px}
.contact .contact-box{border:1px solid var(--line);border-radius:var(--radius);padding:18px;background:#fff;box-shadow:var(--shadow);max-width:560px;margin:0 auto}
.contact .contact-box p{margin-bottom:6px}
.contact a{color:var(--blue);text-decoration:none;border-bottom:1px solid transparent}
.contact a:hover{border-color:var(--blue)}
.foot{border-top:1px solid var(--line);padding:16px 0;text-align:center;color:#475569}