:root{--navy:#123b5d;--blue:#0b609c;--teal:#00a6a6;--ink:#172433;--muted:#5d6b78;--paper:#f4f8fb;--line:#d9e5ec;--warn:#fff4d6;--ok:#e8f5ef}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,Arial,sans-serif;line-height:1.65}.wrap{max-width:1040px;margin:auto;padding:24px}.hero{background:linear-gradient(135deg,var(--navy),#174f77);color:#fff;padding:30px;border-radius:18px;box-shadow:0 10px 30px #123b5d22}.brand{font-weight:800;letter-spacing:.08em;color:#8ee7df}.eyebrow{font-size:13px;text-transform:uppercase;letter-spacing:.12em;color:#caeef7}.hero h1{font-size:clamp(30px,5vw,50px);line-height:1.08;margin:.35rem 0}.subtitle{font-size:19px;color:#eaf6fb;max-width:800px}.meta{display:flex;gap:14px;flex-wrap:wrap;font-size:13px;margin-top:16px}.pill{background:#ffffff1c;border:1px solid #ffffff30;border-radius:999px;padding:5px 10px}.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;margin:18px 0;box-shadow:0 4px 14px #1425360b}.card h2{font-size:23px;margin:0 0 10px;color:var(--navy)}.alert{background:var(--warn);border-left:5px solid #e2ab2f}.decode{background:#edf8fa;border-left:5px solid var(--teal)}.example{background:#eff5fb;border-left:5px solid var(--blue)}.historical{background:#f4eeee;border-left:5px solid #8c4b4b}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(235px,1fr));gap:14px}.mini{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}.mini h2{font-size:17px}.mini a{font-weight:700}.checklist{columns:2;column-gap:30px}.checklist li{break-inside:avoid;margin-bottom:7px}.faq{border-top:1px solid var(--line);padding:12px 0}.faq:first-child{border-top:0}.source a,.related a,a{color:var(--blue);text-decoration:none}.source a:hover,.related a:hover,a:hover{text-decoration:underline}.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:14px}.breadcrumb a{color:var(--muted)}.footer{font-size:12px;color:var(--muted);padding:25px 4px}.search{width:100%;padding:13px 15px;border:1px solid #bfd2dd;border-radius:10px;font-size:16px;margin:14px 0}.tag{display:inline-block;background:#e6f2f6;color:#184d69;border-radius:999px;padding:3px 9px;font-size:12px;margin:2px}.status-current{background:#e7f6ef;color:#22664d}.status-omitted{background:#f6e9e9;color:#7a3e3e}.toc{display:flex;gap:9px;flex-wrap:wrap}.toc a{background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 11px;font-size:13px}@media(max-width:650px){.wrap{padding:14px}.hero{padding:22px}.card{padding:19px}.checklist{columns:1}}

.card-title{font-size:17px;font-weight:700;line-height:1.35;margin:.3rem 0 .6rem}.card-title a{color:var(--navy)}