:root{
  --accent:#0a6cff;
  --muted:#666;
  --bg:#f7f9fb;
  --card:#fff;
  --radius:8px;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  color-scheme: light;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:#1b1b1b;line-height:1.45}
.container{max-width:1000px;margin:0 auto;padding:24px}
.site-header{background:#fff;box-shadow:0 1px 0 rgba(0,0,0,.05)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;padding:16px 24px}
.brand{font-weight:700;color:var(--accent);text-decoration:none;font-size:1.1rem}
.site-header nav a{margin-left:16px;color:var(--muted);text-decoration:none}
.hero{padding:48px 0;background:linear-gradient(90deg,#fff 0%,#f5fbff 100%)}
.hero-inner{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.hero h1{margin:0;font-size:2rem}
.btn{display:inline-block;padding:10px 16px;background:var(--accent);color:#fff;border-radius:6px;text-decoration:none}
.btn.ghost{background:transparent;color:var(--accent);border:1px solid var(--accent)}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin:24px 0}
.features article{background:var(--card);padding:18px;border-radius:var(--radius);box-shadow:0 6px 20px rgba(12,36,97,0.06)}
.page{padding:24px;background:transparent}
.page h1{margin-top:0}
.site-footer{padding:16px 0;color:var(--muted);text-align:center;font-size:0.95rem}
label{display:block;margin:10px 0}
input,textarea{width:100%;padding:10px;border:1px solid #e3e6ea;border-radius:6px}
@media (max-width:600px){
  .site-header .container{flex-direction:column;gap:8px;align-items:flex-start}
  .site-header nav{display:flex;flex-wrap:wrap}
}