:root{--ink:#1c2430;--muted:#5c6778;--line:#e4e8ee;--bg:#f7f8fb;--card:#ffffff;--accent:#1d4e89;--soft:#e8f0fa}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:16.5px/1.7 system-ui,sans-serif;color:var(--ink);background:var(--bg);overflow-x:hidden}
a{color:var(--accent)}
.wrap{width:min(980px,calc(100% - 28px));margin:0 auto}
header{position:sticky;top:0;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}
.head{display:flex;gap:12px;align-items:center;justify-content:space-between;padding:12px 0;flex-wrap:wrap}
.brand{color:var(--accent);font-weight:800;text-decoration:none}
nav{display:flex;gap:8px;overflow-x:auto}
nav a{min-height:44px;display:inline-flex;align-items:center;padding:8px 12px;border-radius:999px;background:var(--soft);color:var(--accent);text-decoration:none;border:1px solid #d5e2f2}
.stripe{height:4px;background:linear-gradient(90deg,#d7e6f7,#ffffff,#cfe0f4)}
h1{font-size:clamp(28px,8vw,40px);line-height:1.15;color:#16324f}
h2{color:#1d4e89;font-size:1.25rem}
.lead{color:var(--muted)}
.article{border:1px solid var(--line);border-radius:16px;padding:18px;background:var(--card);box-shadow:0 8px 24px rgba(22,50,79,.05)}
table{width:100%;border-collapse:collapse;background:#fff}
th,td{border:1px solid var(--line);padding:10px;text-align:left}
th{background:#eef4fb;color:#16324f}
footer{color:var(--muted);padding:28px 0}
@media(max-width:700px){nav{width:100%}table{display:block;overflow-x:auto}.article{padding:14px}}

.btn{display:inline-flex;align-items:center;justify-content:center;min-height:64px;min-width:240px;padding:16px 36px;border-radius:16px;background:#1d4e89;color:#fff;text-decoration:none;font-size:22px;font-weight:800}
.cta{margin:18px 0}
.hero{background:#fff;border:1px solid #e4e8ee;border-radius:18px;padding:22px;margin:16px 0}
@media(max-width:700px){.btn{width:100%;font-size:20px}}

.btn-xl{display:flex;align-items:center;justify-content:center;width:100%;max-width:520px;min-height:72px;margin:8px auto;border-radius:18px;background:#1d4e89;color:#fff;text-decoration:none;font-size:26px;font-weight:800;letter-spacing:.02em}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.card{background:#fff;border:1px solid #e4e8ee;border-radius:14px;padding:14px}
@media(max-width:700px){.grid{grid-template-columns:1fr}.btn-xl{font-size:22px;min-height:64px}}