:root{--ct-blue:#2563eb;--ct-navy:#10213c;--ct-muted:#64748b;--ct-line:#dfe7f2;--ct-soft:#f6f9ff;--ct-warn:#fff7df}body{background:linear-gradient(180deg,#f7f9fc 0,#f2f5fa 100%)}.column-shell{width:min(1040px,calc(100% - 34px));margin:0 auto;padding:42px 0 72px}.column-hero{margin-bottom:24px;padding:34px 34px 30px;border:1px solid var(--ct-line);border-radius:26px;background:radial-gradient(circle at 82% 18%,rgba(37,99,235,.12),transparent 30%),linear-gradient(145deg,#fff,#f7fbff);box-shadow:0 12px 30px rgba(24,45,80,.06)}.column-kicker{margin:0 0 12px;color:var(--ct-blue);font-size:12px;font-weight:900;letter-spacing:.16em}.column-hero h1{margin:0;color:#0b2f66;font-size:clamp(32px,5vw,52px);line-height:1.12;letter-spacing:-1.7px}.column-lead{max-width:780px;margin:16px 0 0;color:#5d6b80;font-size:16px;line-height:1.8}.column-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.column-card{display:block;min-height:236px;padding:24px;border:1px solid var(--ct-line);border-radius:22px;background:#fff;color:inherit;text-decoration:none;box-shadow:0 10px 25px rgba(30,54,90,.045);transition:.15s ease}.column-card:hover{transform:translateY(-2px);border-color:#b8cef1;box-shadow:0 16px 32px rgba(37,99,235,.08)}.column-card .tag{display:inline-flex;margin-bottom:14px;padding:6px 10px;border-radius:999px;background:#edf4ff;color:#1d55bf;font-size:11px;font-weight:900}.column-card h2{margin:0 0 10px;color:#102b57;font-size:24px;line-height:1.32;letter-spacing:-.6px}.column-card p{margin:0;color:#657389;font-size:14px;line-height:1.7}.column-card .meta{display:block;margin-top:18px;color:#94a0b3;font-size:12px;font-weight:800}.column-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:24px;align-items:start}.column-article{padding:34px;border:1px solid var(--ct-line);border-radius:26px;background:#fff;box-shadow:0 12px 34px rgba(31,53,87,.055)}.column-article h1{margin:6px 0 14px;color:#0b2f66;font-size:clamp(31px,4.2vw,46px);line-height:1.16;letter-spacing:-1.5px}.column-desc{margin:0 0 20px;color:#5c6b81;font-size:17px;line-height:1.75}.column-meta{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 24px}.column-meta span{display:inline-flex;padding:7px 10px;border-radius:999px;background:#f0f4fa;color:#5e6d82;font-size:12px;font-weight:800}.column-body{font-size:17px;line-height:1.85;color:#24334c}.column-body h2{margin:30px 0 10px;color:#102b57;font-size:24px;line-height:1.35;letter-spacing:-.5px}.column-body p{margin:0 0 16px}.column-body ul{margin:10px 0 18px;padding-left:20px}.column-body li{margin:8px 0}.column-body a{color:#1d5ed8;font-weight:800;text-decoration:none;border-bottom:1px solid rgba(37,99,235,.28)}.column-callout{margin:22px 0;padding:18px 20px;border:1px solid #cfe0fb;border-radius:18px;background:#f7fbff}.column-callout strong{display:block;margin-bottom:7px;color:#174c9a}.column-warning{margin:22px 0;padding:18px 20px;border-left:5px solid #f59e0b;border-radius:16px;background:var(--ct-warn);color:#58400b}.column-source{margin-top:28px;padding:18px 20px;border-radius:18px;background:#f8fafc;border:1px solid #e5ebf4}.column-source h2{margin:0 0 10px!important;font-size:18px!important}.column-source a{display:block;margin:8px 0;border-bottom:0;color:#245fc4}.column-side{position:sticky;top:92px;display:grid;gap:14px}.side-card{padding:19px;border:1px solid var(--ct-line);border-radius:20px;background:#fff;box-shadow:0 8px 22px rgba(31,53,87,.05)}.side-card h3{margin:0 0 9px;color:#163a70;font-size:17px}.side-card p,.side-card li{color:#66758a;font-size:13px;line-height:1.65}.side-card ul{margin:8px 0 0;padding-left:17px}.side-card a{display:inline-flex;margin-top:10px;color:#1d5ed8;font-size:13px;font-weight:900;text-decoration:none}.column-cta{margin-top:28px;display:grid;grid-template-columns:1fr 1fr;gap:12px}.column-cta a{display:block;padding:16px;border:1px solid #cfe0fb;border-radius:16px;background:#f7fbff;color:#174c9a;font-weight:900;text-decoration:none}.column-nav{display:flex;justify-content:space-between;gap:12px;margin-top:22px}.column-nav a{color:#416286;font-size:14px;font-weight:800;text-decoration:none}.article-note{font-size:13px;color:#7a879a;line-height:1.65}@media(max-width:840px){.column-shell{width:min(100% - 22px,1040px);padding:28px 0 50px}.column-hero,.column-article{padding:24px 20px;border-radius:22px}.column-grid,.column-layout,.column-cta{grid-template-columns:1fr}.column-side{position:static}.column-body{font-size:16px;line-height:1.78}.column-card{min-height:auto}}