:root{--navy:#071a33;--orange:#ff7a18;--ink:#10223b;--muted:#637083;--paper:#f7f9fc;--white:#fff;--line:#dfe6ef}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;font-size:16px;line-height:1.7}
a{color:#b84b00}
.shell{width:min(900px,calc(100% - 32px));margin:auto}
header{background:var(--navy);color:var(--white);padding:20px 0}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{font-size:1.28rem;font-weight:900;letter-spacing:-.04em;text-decoration:none;color:var(--white)}
.brand span{color:var(--orange)}
.back{color:var(--white);font-weight:700;text-decoration:none}
main{padding:56px 0 72px}
.paper{background:var(--white);border:1px solid var(--line);border-radius:24px;padding:clamp(26px,5vw,54px);box-shadow:0 18px 50px rgba(7,26,51,.08)}
.eyebrow{color:#b84b00;font-weight:800;text-transform:uppercase;letter-spacing:.1em;font-size:.78rem}
h1{font-size:clamp(2.2rem,7vw,4rem);line-height:1.05;letter-spacing:-.05em;color:var(--navy);margin:12px 0 18px}
h2{font-size:1.35rem;line-height:1.25;color:var(--navy);margin:32px 0 8px}
h3{font-size:1.05rem;color:var(--navy);margin:22px 0 6px}
p,li{color:#405169}
ul{padding-left:22px}
.intro{font-size:1.08rem;color:#263b55}
.notice{background:#fff3e8;border-left:4px solid var(--orange);padding:16px 18px;border-radius:10px;margin:24px 0}
.details{background:var(--paper);border:1px solid var(--line);padding:20px;border-radius:14px}
.details p{margin:4px 0}
.updated{font-size:.9rem;color:var(--muted)}
footer{background:#041225;color:#b6c5d6;padding:28px 0}
.footer-links{display:flex;flex-wrap:wrap;gap:12px 22px}
.footer-links a{color:#d7e2ee;text-decoration:none}
@media(max-width:560px){.nav{align-items:flex-start;flex-direction:column}.paper{border-radius:18px}main{padding:30px 0 48px}}