:root{--ink:#172339;--muted:#5a6b81;--blue:#2b62dd;--blue2:#244dac;--paper:#fff;--bg:#f5f7fb;--line:#e1e7ef;--orange:#ff9a45;--radius:18px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.7}
a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}a:hover{color:var(--blue2)}a:focus-visible{outline:3px solid var(--orange);outline-offset:3px;border-radius:3px}
.wrap{width:min(100% - 40px,1000px);margin:auto}header{background:#fff;border-bottom:1px solid var(--line)}.top{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:17px 0}
.brand{font-weight:850;font-size:1.05rem;letter-spacing:-.025em;color:var(--ink);text-decoration:none;white-space:nowrap}.logo{display:inline-grid;place-items:center;background:var(--blue);border-radius:9px;color:white;font-size:.72rem;width:29px;height:29px;margin-right:8px}
nav{display:flex;gap:24px;flex-wrap:wrap}nav a{color:#39485c;text-decoration:none;font-size:.92rem;font-weight:600}nav a:hover{color:var(--blue)}main{padding:40px 0 64px}
.eyebrow{display:inline-block;background:#eaf0ff;color:#2858c2;padding:5px 12px;border-radius:99px;font-size:.78rem;font-weight:750;letter-spacing:.045em;text-transform:uppercase}
h1{font-size:clamp(2rem,4.4vw,3.2rem);line-height:1.13;letter-spacing:-.045em;margin:18px 0}h2{font-size:1.38rem;line-height:1.26;letter-spacing:-.02em;margin:24px 0 10px}h3{font-size:1.06rem;margin:20px 0 8px}.lead{font-size:1.15rem;color:var(--muted);max-width:750px}.hero{padding:48px;border-radius:24px;border:1px solid #dce5f5;background:linear-gradient(120deg,#fff 12%,#eaf2ff 100%);box-shadow:0 12px 34px #1d4b9c09}.hero p{max-width:700px}
.button{display:inline-block;background:var(--blue);color:#fff;text-decoration:none;border-radius:11px;font-weight:700;padding:12px 20px;margin-top:12px}.button:hover{background:var(--blue2);color:white}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:24px}.card,.document{border:1px solid var(--line);background:var(--paper);border-radius:var(--radius);padding:26px;box-shadow:0 8px 28px #10294b08}.card h2{margin-top:2px}.card p{color:var(--muted)}.card-link{font-weight:700}.document{padding:36px 44px}.document h1{font-size:clamp(1.75rem,3.2vw,2.5rem)}.document h2{font-size:1.23rem;border-top:1px solid var(--line);padding-top:23px;margin-top:28px}.document h3{font-size:1.04rem}.document ul{padding-left:24px}.document li{margin:5px 0}.meta{color:var(--muted);font-size:.9rem}.muted{color:var(--muted)}.tip{background:#f3f6fc;border:1px solid #dee6f5;border-radius:12px;padding:17px;margin:19px 0}.tip strong{display:block}.notice{color:#68420a;background:#fff7e8;border:1px solid #f4deb2;padding:14px 17px;border-radius:11px;font-size:.92rem;margin:22px 0}.pill{display:inline-block;padding:5px 10px;border-radius:9px;background:#e7f0ff;color:#2052ad;font-size:.83rem;font-weight:700}.cols{display:grid;grid-template-columns:1fr 1fr;gap:10px}.doclinks{display:flex;gap:11px;flex-wrap:wrap}.doclinks a{display:inline-flex;padding:9px 13px;background:#fff;border:1px solid var(--line);border-radius:10px;text-decoration:none;font-size:.92rem;font-weight:700}.rule{height:1px;background:var(--line);margin:22px 0}.tiny{font-size:.86rem}.label{font-weight:750}.spaced{margin-top:24px}
footer{background:#fff;border-top:1px solid var(--line);padding:26px 0;font-size:.9rem;color:var(--muted)}footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}footer a{margin-right:15px}
@media(max-width:660px){.wrap{width:min(100% - 30px,1000px)}.top{align-items:flex-start;flex-direction:column;gap:10px}nav{gap:14px}.hero{padding:28px 24px}.grid,.cols{grid-template-columns:1fr}.document{padding:25px 20px}main{padding:23px 0 45px}h1{font-size:2rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}