*{box-sizing:border-box}
:root{
  --blue:#0868c9;
  --green:#25833b;
  --dark:#081844;
  --text:#12203f;
  --muted:#52627c;
  --line:#dfe6ef;
  --soft:#f6fbff;
  --footer:#061d34;
  --white:#fff;
  --shadow:0 14px 38px rgba(7,22,59,.08);
}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--text);background:#fff;line-height:1.6}
a{text-decoration:none;color:inherit}
.container{width:min(1120px,calc(100% - 48px));margin:0 auto}
.header{height:76px;background:#fff;border-bottom:1px solid #eef2f7;position:sticky;top:0;z-index:20}
.header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.logo{font-size:25px;font-weight:900;color:var(--blue);display:flex;gap:10px;align-items:center}
.logo-mark{width:36px;height:36px;position:relative;display:inline-block}
.logo-mark:before{content:"";position:absolute;left:0;bottom:0;width:14px;height:25px;background:#0871d5;border-radius:2px;box-shadow:18px -10px 0 #1890ee,36px 5px 0 #2e9b44}
.logo-mark:after{content:"";position:absolute;left:22px;top:0;border-left:6px solid transparent;border-right:6px solid transparent;border-bottom:9px solid #2e9b44}
.nav{display:flex;gap:26px;font-size:14px;font-weight:800;color:#080f27;align-items:center}
.nav a:hover{color:var(--blue)}
.page-hero{background:linear-gradient(135deg,#f7fbff 0%,#eef7ff 100%);padding:78px 0 64px;border-bottom:1px solid var(--line)}
.kicker{color:var(--green);font-weight:900;margin-bottom:14px;display:block}
h1{font-size:48px;line-height:1.08;letter-spacing:-.045em;color:var(--dark);margin:0 0 18px;font-weight:950;max-width:850px}
.lead{font-size:20px;color:#263750;max-width:820px;margin:0}
.section{padding:62px 0}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:var(--shadow)}
.card h2,.card h3{color:var(--dark);margin:0 0 12px;line-height:1.2}
.card p{color:var(--muted);margin:0}
.check-list{list-style:none;padding:0;margin:0}
.check-list li{position:relative;padding-left:29px;margin:12px 0;color:#1f2d48;font-weight:700}
.check-list li:before{content:"✓";position:absolute;left:0;top:0;color:var(--green);font-weight:900}
.content{max-width:900px}
.content h2{font-size:30px;color:var(--dark);margin:34px 0 12px;letter-spacing:-.02em}
.content h3{font-size:22px;color:var(--dark);margin:26px 0 8px}
.content p,.content li{color:#33415d}
.content ul{padding-left:22px}
.notice{background:#eef7ff;border:1px solid #d5e9ff;border-radius:18px;padding:24px;margin:28px 0;color:#263750}
.faq-item{border-bottom:1px solid var(--line);padding:22px 0}
.faq-item h2{font-size:22px;margin:0 0 8px;color:var(--dark)}
.faq-item p{margin:0;color:#52627c}
.footer{background:var(--footer);color:#dceaff;padding:36px 0 14px;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.3fr repeat(4,1fr);gap:32px}
.footer-brand{color:#fff;font-size:19px;font-weight:900;margin-bottom:12px}
.footer p{color:#c2d2e5;font-size:13px;margin:0;max-width:270px}
.footer h4{color:#fff;font-size:13px;margin:0 0 10px}
.footer a{display:block;color:#c2d2e5;font-size:12px;margin:6px 0}
.copy{border-top:1px solid rgba(255,255,255,.12);margin-top:25px;padding-top:12px;text-align:center;color:#9fb0c6;font-size:12px}
@media(max-width:900px){
  .nav{display:none}
  .grid-2,.grid-3,.footer-grid{grid-template-columns:1fr}
  h1{font-size:38px}
  .page-hero{padding:54px 0}
}
@media(max-width:640px){
  .container{width:min(100% - 28px,1120px)}
  .header-inner{height:68px}
  .header{height:68px}
  .logo{font-size:22px}
  h1{font-size:34px}
  .lead{font-size:18px}
}