:root {
  --bg:#f4fbfd;
  --surface:#ffffff;
  --ink:#13324a;
  --muted:#5e7587;
  --teal:#0b9eaa;
  --teal-dark:#087783;
  --cyan:#e7f8fa;
  --navy:#083b66;
  --line:#dcecf0;
  --shadow:0 12px 35px rgba(16,76,102,.09);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:linear-gradient(180deg,#eef9fc 0,#fff 520px);font-family:Arial,"Helvetica Neue",sans-serif;color:var(--ink);line-height:1.58}
a{color:var(--teal-dark);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{width:min(920px,calc(100% - 32px));margin:0 auto}
.hero{padding:32px 0 22px}
.hero img{display:block;width:100%;max-width:800px;height:auto;aspect-ratio:4/3;object-fit:cover;margin:0 auto;border-radius:24px;box-shadow:var(--shadow)}
.intro{padding:6px 0 18px}
.intro h1{font-size:clamp(28px,5vw,44px);line-height:1.08;margin:0 0 10px;color:var(--navy);letter-spacing:-.02em}
.intro p{margin:0;color:var(--muted);font-size:18px}
.toc{padding:16px 0 36px}
.toc h2{font-size:28px;margin:0 0 16px;color:var(--navy)}
.cards{display:grid;grid-template-columns:1fr;gap:12px}
.card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:18px 20px;box-shadow:0 7px 22px rgba(10,67,92,.06);transition:transform .18s ease,box-shadow .18s ease;text-decoration:none}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow);text-decoration:none}
.card .num{display:inline-flex;width:38px;height:28px;border-radius:999px;align-items:center;justify-content:center;background:var(--cyan);color:var(--teal-dark);font-weight:700;margin-right:8px}
.card h3{display:inline;font-size:20px;color:var(--navy);margin:0}
.card .meta{display:block;margin:8px 0 5px;color:var(--muted);font-size:14px}
.card .important{display:block;color:var(--ink);font-size:15px}
.article{background:var(--surface);border:1px solid var(--line);border-radius:24px;margin:0 0 28px;padding:30px;box-shadow:var(--shadow);scroll-margin-top:16px}
.kicker{font-size:13px;line-height:1.2;letter-spacing:.07em;text-transform:uppercase;color:var(--teal-dark);font-weight:700;margin:0 0 9px}
.article h2{font-size:clamp(26px,4vw,36px);line-height:1.13;letter-spacing:-.015em;margin:0 0 8px;color:var(--navy)}
.source-line{color:var(--muted);font-size:15px;margin:0 0 20px}
.article figure{margin:0 0 22px}
.article figure img{display:block;width:100%;max-width:837px;height:auto;aspect-ratio:837/360;object-fit:cover;border-radius:18px;margin:0 auto}
.callout{background:linear-gradient(135deg,#eefbfc,#f8feff);border-left:5px solid var(--teal);border-radius:14px;padding:18px 20px;margin:18px 0 22px}
.callout h3,.section h3{font-size:15px;letter-spacing:.04em;text-transform:uppercase;color:var(--navy);margin:0 0 8px}
.callout p{margin:0}
.section{margin:20px 0}
.section ul{margin:8px 0 0;padding-left:22px}
.section li{margin:6px 0}
.rf{background:#f1f7ff;border:1px solid #dce9f7;border-radius:14px;padding:18px 20px;margin:20px 0}
.rf h3{font-size:15px;letter-spacing:.04em;text-transform:uppercase;color:var(--navy);margin:0 0 8px}
.rf p{margin:0}
.sources{border-top:1px solid var(--line);padding-top:18px;margin-top:22px}
.sources h3{font-size:15px;letter-spacing:.04em;text-transform:uppercase;color:var(--navy);margin:0 0 8px}
.sources a{word-break:break-word}
.back{display:inline-flex;margin-top:16px;font-weight:700}
.footer{padding:8px 0 42px;color:var(--muted);text-align:center;font-size:14px}
@media (min-width:760px){.cards{grid-template-columns:1fr 1fr}.cards .card:last-child{grid-column:1/-1}.article{padding:38px}}
@media (max-width:560px){.wrap{width:min(100% - 20px,920px)}.hero{padding-top:14px}.hero img{border-radius:16px}.article{padding:22px 16px;border-radius:18px}.card{padding:16px}.intro p{font-size:16px}}