:root{
  --bg:#ffffff;
  --ink:#172033;
  --muted:#596579;
  --soft:#f5f7fb;
  --line:#e5e9f2;
  --accent:#1f6feb;
  --accent-dark:#174ea6;
  --success:#0f766e;
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.65}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1120px;margin:0 auto;padding:0 20px}
.nav{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:10}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 0}
.logo{font-weight:800;font-size:1.1rem;color:var(--ink)}
.nav-links{display:flex;gap:18px;flex-wrap:wrap}
.nav-links a{color:var(--ink);font-weight:600;font-size:.95rem}
.hero{background:linear-gradient(135deg,#f2f7ff,#ffffff);padding:72px 0}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:center}
.eyebrow{color:var(--success);font-weight:800;text-transform:uppercase;font-size:.82rem;letter-spacing:.08em}
h1{font-size:3.1rem;line-height:1.05;margin:10px 0 18px}
h2{font-size:2rem;line-height:1.2;margin:42px 0 14px}
h3{font-size:1.3rem;margin:24px 0 8px}
.lead{font-size:1.18rem;color:var(--muted);max-width:720px}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:13px 18px;border-radius:10px;font-weight:800;margin-top:14px;border:0;cursor:pointer}
.btn:hover{background:var(--accent-dark);text-decoration:none}
.secondary{background:#fff;color:var(--accent);border:1px solid var(--line);margin-left:8px}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:0 8px 24px rgba(23,32,51,.06)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.section{padding:48px 0}
.soft{background:var(--soft)}
input,textarea,select{width:100%;padding:13px;border:1px solid var(--line);border-radius:10px;font-size:1rem;margin:8px 0 12px}
label{font-weight:700}
.form-box{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}
.badge{display:inline-block;padding:5px 10px;background:#edf6ff;border:1px solid #d8eaff;border-radius:999px;color:#174ea6;font-weight:700;font-size:.82rem}
.article{max-width:780px;margin:0 auto;padding:38px 20px}
.article h1{font-size:2.5rem}
.article-meta{color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:24px}
.table{width:100%;border-collapse:collapse;margin:18px 0}
.table th,.table td{border:1px solid var(--line);padding:12px;text-align:left;vertical-align:top}
.table th{background:var(--soft)}
.notice{padding:14px 16px;background:#fff8e6;border:1px solid #ffe6a6;border-radius:12px}
.footer{background:#111827;color:#d1d5db;padding:36px 0;margin-top:40px}
.footer a{color:#fff}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}
ul.check{padding-left:0;list-style:none}
ul.check li{margin:10px 0;padding-left:26px;position:relative}
ul.check li:before{content:"✓";position:absolute;left:0;color:var(--success);font-weight:900}
@media(max-width:800px){
  .hero-grid,.grid,.two,.footer-grid{grid-template-columns:1fr}
  h1{font-size:2.25rem}
  .nav-inner{align-items:flex-start;flex-direction:column}
}