:root{
  --blue:#114597;
  --blue-dark:#0b326f;
  --sky:#7EC8FC;
  --orange:#F56500;
  --ink:#142033;
  --muted:#5b6879;
  --line:#dce5ef;
  --soft:#f5f8fc;
  --white:#ffffff;
  --container:1040px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--soft);line-height:1.68;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.container{width:min(calc(100% - 36px),var(--container));margin-inline:auto}
.topbar{background:var(--blue-dark);color:#e7f1ff;font-size:.86rem}
.topbar__inner{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.topbar a{color:var(--sky);font-weight:700}
.header{background:rgba(255,255,255,.98);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:11px;color:var(--blue);font-size:1.16rem;font-weight:800;letter-spacing:-.02em}
.mark{width:39px;height:39px;border-radius:10px;background:var(--blue);color:#fff;display:grid;place-items:center;font-size:.78rem;font-weight:900;letter-spacing:.03em}
.nav__links{display:flex;align-items:center;gap:22px;color:#36465a;font-size:.92rem;font-weight:700}
.nav__links a:hover{color:var(--blue)}
.hero{background:linear-gradient(180deg,#f5f9ff 0%,#fff 100%);border-bottom:1px solid var(--line);padding:66px 0 54px}
.kicker{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:.78rem;font-weight:800;text-transform:uppercase;letter-spacing:.1em;margin-bottom:15px}
.kicker:before{content:"";width:25px;height:3px;border-radius:99px;background:var(--orange)}
h1{max-width:830px;color:var(--blue-dark);font-size:clamp(2.35rem,5vw,4.15rem);line-height:1.04;letter-spacing:-.045em;margin-bottom:15px}
.hero p{max-width:770px;color:var(--muted);font-size:1.03rem}
.updated{display:inline-block;margin-top:20px;padding:7px 10px;border:1px solid #cdddec;border-radius:8px;background:#fff;color:#4b5b70;font-size:.82rem;font-weight:700}
.main{padding:48px 0 76px}
.layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:30px;align-items:start}
.toc{position:sticky;top:94px;background:#fff;border:1px solid var(--line);border-radius:13px;padding:21px;box-shadow:0 8px 24px rgba(17,69,151,.06)}
.toc strong{display:block;color:var(--blue-dark);margin-bottom:11px}
.toc a{display:block;padding:7px 0;color:#516075;font-size:.88rem;border-bottom:1px solid #edf2f7}
.toc a:last-child{border-bottom:0}
.toc a:hover{color:var(--blue)}
.document{background:#fff;border:1px solid var(--line);border-radius:15px;padding:42px;box-shadow:0 13px 35px rgba(17,69,151,.07)}
.document section{scroll-margin-top:100px;margin-bottom:35px;padding-bottom:35px;border-bottom:1px solid #e8eef5}
.document section:last-child{margin-bottom:0;padding-bottom:0;border-bottom:0}
h2{color:var(--blue-dark);font-size:1.52rem;line-height:1.25;margin-bottom:12px}
h3{color:var(--blue-dark);font-size:1.05rem;margin:20px 0 7px}
p{margin:0 0 13px;color:#45546a}
ul,ol{padding-left:21px;margin:0 0 14px;color:#45546a}
li{margin-bottom:7px}
.notice{padding:17px 18px;background:#f2f8fe;border-left:4px solid var(--sky);border-radius:6px;color:#3d5068;margin:18px 0}
.warning{padding:17px 18px;background:#fff5ee;border-left:4px solid var(--orange);border-radius:6px;color:#68472f;margin:18px 0}
.address{font-style:normal;padding:16px 18px;border:1px solid var(--line);border-radius:10px;background:#f9fbfd;color:#34445a}
.inline-link{color:var(--blue);font-weight:800;text-decoration:underline;text-underline-offset:2px}
.footer{background:#092a5d;color:#fff;padding:43px 0 25px}
.footer__grid{display:grid;grid-template-columns:1.2fr .8fr;gap:38px;margin-bottom:30px}
.footer .brand{color:#fff}
.footer p{color:#c7d7eb;font-size:.88rem;margin-top:13px;max-width:600px}
.footer__links{display:flex;flex-wrap:wrap;gap:10px 20px;color:#c7d7eb;font-size:.87rem}
.footer__links a:hover{color:var(--sky)}
.footer__bottom{border-top:1px solid rgba(255,255,255,.13);padding-top:19px;color:#b8c9de;font-size:.78rem;display:grid;gap:6px}
@media(max-width:820px){.layout{grid-template-columns:1fr}.toc{position:static}.nav__links{display:none}.footer__grid{grid-template-columns:1fr}}
@media(max-width:560px){.container{width:min(calc(100% - 24px),var(--container))}.topbar__inner{justify-content:center;text-align:center}.topbar a{display:none}.hero{padding:48px 0 40px}.main{padding:28px 0 55px}.document{padding:25px 20px}.toc{padding:18px}h1{font-size:2.35rem}.footer{padding-top:35px}}