:root{
  --bg:#f7f8fa; --card:#ffffff; --ink:#1c2333; --muted:#5b6577;
  --accent:#1f6feb; --accent-dark:#1451a8; --line:#e6e9ef;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",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}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
header{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.header-in{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-weight:700;font-size:20px;color:var(--ink);letter-spacing:.3px}
.logo span{color:var(--accent)}
nav a{color:var(--muted);margin-left:26px;font-size:15px;font-weight:500}
nav a:hover{color:var(--ink);text-decoration:none}
nav a.active{color:var(--accent)}
.hero{background:linear-gradient(135deg,#12316b,#1f6feb);color:#fff;padding:72px 0}
.hero h1{font-size:36px;font-weight:700;line-height:1.25;margin-bottom:16px;max-width:720px}
.hero p{font-size:17px;opacity:.92;max-width:620px}
.hero .cta{display:inline-block;margin-top:26px;background:#fff;color:var(--accent-dark);font-weight:600;padding:12px 24px;border-radius:8px}
.hero .cta:hover{text-decoration:none;background:#eef3fc}
main{padding:48px 0 72px}
h2{font-size:26px;margin-bottom:8px}
.lead{color:var(--muted);margin-bottom:28px;max-width:720px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:24px}
.card h3{font-size:18px;margin-bottom:10px}
.card p{color:var(--muted);font-size:15px}
.card .num{color:var(--accent);font-weight:700;font-size:14px;letter-spacing:1px}
.prose{max-width:760px}
.prose p{margin-bottom:16px;color:#2c3546}
.prose h3{margin:28px 0 10px;font-size:20px}
ul.plain{list-style:none}
ul.plain li{padding:10px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:16px}
ul.plain li:last-child{border-bottom:none}
ul.plain b{font-weight:600}
form{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:28px;max-width:520px}
form label{display:block;font-size:14px;font-weight:600;margin:14px 0 6px}
form input,form textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:10px 12px;font-size:15px;font-family:inherit}
form button{margin-top:18px;background:var(--accent);color:#fff;border:none;border-radius:8px;padding:12px 22px;font-size:15px;font-weight:600;cursor:pointer}
form button:hover{background:var(--accent-dark)}
footer{background:#0f1626;color:#9aa5b8;padding:40px 0;font-size:14px}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px}
footer b{color:#dfe4ec}
.notice{background:#fff7e6;border:1px solid #ffe0a3;color:#7a5b12;border-radius:10px;padding:14px 18px;margin-bottom:24px;font-size:15px}
.hero-page{background:var(--ink);color:#fff;padding:48px 0}
.hero-page h1{font-size:30px}