:root{
  --navy:#0f2b46;--navy2:#16385a;--accent:#2f6fed;--accent-h:#255cd0;
  --ok:#16a34a;--bad:#dc2626;--warn:#d97706;--purple:#7c3aed;
  --txt:#1e293b;--muted:#64748b;--border:#e2e8f0;--bg:#f6f7f9;--surface:#fff;
  --r:14px;--sh:0 1px 2px rgba(15,43,70,.06),0 4px 14px rgba(15,43,70,.06);
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,sans-serif;
  color:var(--txt);background:var(--surface);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border)}
header .wrap{display:flex;align-items:center;gap:14px;height:66px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;font-size:18px;color:var(--navy)}
.logo img{width:34px;height:34px;border-radius:9px}
.logo span i{font-style:normal;color:var(--accent)}
nav{margin-left:auto;display:flex;align-items:center;gap:8px}
nav a.link{text-decoration:none;color:var(--muted);font-size:14px;font-weight:500;padding:8px 12px;border-radius:8px}
nav a.link:hover{color:var(--txt);background:var(--bg)}
.btn{display:inline-block;text-decoration:none;background:var(--accent);color:#fff;font-weight:600;
  padding:11px 20px;border-radius:10px;font-size:14.5px;border:none;cursor:pointer;font-family:inherit;
  transition:background .15s}
.btn:hover{background:var(--accent-h)}
.btn.ghost{background:transparent;color:var(--navy);border:1px solid var(--border)}
.btn.ghost:hover{background:var(--bg)}
.btn.lg{padding:14px 26px;font-size:16px}
.btn.white{background:#fff;color:var(--navy)}
.btn.white:hover{background:#eef2f7}
.btn.full{width:100%;text-align:center}