:root{color-scheme:light;--paper:#f5f6f3;--panel:#fff;--ink:#213b4e;--muted:#526879;--line:#d5dfdf;--accent:#285f73;--warm:#9c662a;--serif:Georgia,'Noto Serif SC','Songti SC',SimSun,serif;--sans:system-ui,-apple-system,'Segoe UI','Microsoft YaHei',sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.85 var(--sans)}a{color:var(--accent);text-underline-offset:4px}a:hover{text-decoration-thickness:2px}button,input{font:inherit}button,a,input,summary{touch-action:manipulation}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible,.table-wrap:focus-visible{outline:3px solid #b06b1f;outline-offset:4px}[hidden]{display:none!important}.skip{position:absolute;left:16px;top:-80px;z-index:20;background:var(--panel);padding:8px 14px}.skip:focus{top:8px}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px max(5vw,20px);border-bottom:1px solid var(--line);background:rgba(255,255,255,.92)}.brand{font:30px var(--serif);letter-spacing:.14em;color:var(--ink);text-decoration:none}.brand-sub{color:var(--muted);font-size:12px;margin-left:16px}.topbar nav{display:flex;flex-wrap:wrap;gap:16px;font-size:13px}.topbar nav a{text-decoration:none}.shell{max-width:1160px;margin:auto;padding:58px 34px 42px}.eyebrow{font-size:12px;letter-spacing:.15em;color:var(--accent);margin:0 0 14px}.hero h1{font:400 clamp(32px,4.7vw,58px)/1.35 var(--serif);margin:0 0 16px;letter-spacing:.03em}.hero .lead{font:21px/1.65 var(--serif);margin:0 0 16px}.hero .intro{max-width:790px;color:var(--muted);margin:0 0 25px}.meta{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:13px;color:var(--muted)}.notice{margin:28px 0;padding:18px 22px;border-left:3px solid var(--warm);background:#f0eee5;font-size:14px}.notice strong{font-weight:650}.notice p{margin:0}.notice p+p{margin-top:8px}
.toolbar{margin:35px 0 22px;border-top:1px solid var(--line);padding-top:24px}.filters{display:flex;flex-wrap:wrap;gap:10px}.filters button{border:1px solid var(--line);background:var(--panel);color:var(--ink);padding:8px 15px;min-height:44px;border-radius:4px;cursor:pointer}.filters button[aria-pressed=true]{border-color:var(--accent);background:var(--accent);color:white}.search-row{margin-top:18px;display:flex;align-items:end;gap:12px;flex-wrap:wrap}.search-field{max-width:440px;flex:1 1 240px}.search-field label{font-size:13px;display:block;margin-bottom:5px}.search-field input{width:100%;border:1px solid #8299a3;border-radius:4px;background:var(--panel);padding:9px 12px;min-height:44px;color:var(--ink)}.clear{border:1px solid var(--line);background:transparent;padding:8px 13px;min-height:44px;border-radius:4px;cursor:pointer}.count{margin:14px 0;color:var(--muted);font-size:13px}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.report-card{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);padding:26px 28px;min-width:0}.card-kicker{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12px;color:var(--muted)}.report-card h2{font:400 24px/1.6 var(--serif);margin:13px 0 12px}.report-card h2 a{color:var(--ink);text-decoration:none}.report-card h2 a:hover{text-decoration:underline}.report-card p{font-size:14px;margin:0 0 13px}.period{color:var(--muted)}.boundary{color:var(--muted);padding-top:14px;border-top:1px solid #e8eded}.card-link{font-size:14px;align-self:flex-start;margin-top:auto;padding-top:14px}.empty{padding:35px 20px;text-align:center;background:var(--panel);border:1px solid var(--line)}.no-script{font-size:14px;color:var(--muted)}.policy{margin-top:45px;padding-top:30px;border-top:1px solid var(--line);font-size:14px}.policy h2{font:24px var(--serif);margin-bottom:15px}.policy h3{font-size:16px;margin-bottom:8px}.policy p{max-width:900px}.fred-notice{border:1px solid var(--line);padding:14px 18px;background:var(--panel);overflow-wrap:anywhere}.policy li{margin-bottom:8px}.footer{margin-top:28px;padding-top:20px;border-top:1px solid var(--line);font-size:12px;color:var(--muted);display:flex;flex-wrap:wrap;gap:10px 22px}
.reader{max-width:990px}.reader .hero h1{font-size:clamp(28px,4vw,45px)}.reader .intro{max-width:850px}.article{max-width:850px;margin:35px auto;font-size:16px}.article h2{font:400 27px/1.5 var(--serif);margin:42px 0 18px;padding-bottom:9px;border-bottom:1px solid var(--line)}.article h3{font-size:19px;margin-top:29px}.article p{margin:0 0 18px}.article li{margin-bottom:10px}.article strong{font-weight:650}.article blockquote{border-left:3px solid var(--accent);padding:5px 20px;margin:20px 0;background:#edf2f2}.table-wrap{max-width:100%;overflow:auto;border:1px solid var(--line);margin:22px 0;background:var(--panel)}table{width:100%;border-collapse:collapse;font-size:14px;line-height:1.7}th,td{text-align:left;vertical-align:top;padding:11px 14px;border-bottom:1px solid var(--line)}th{background:#edf2f2;color:var(--ink);font-weight:650}tr:last-child td{border-bottom:0}.article img{display:block;max-width:100%;height:auto;margin:22px auto;border:1px solid var(--line);background:var(--panel)}.article code{font:13px ui-monospace,Consolas,monospace;padding:2px 4px;background:#e9eeee;overflow-wrap:anywhere}.article a{overflow-wrap:anywhere}.sources-list{padding:19px 24px;border:1px solid var(--line);background:var(--panel);font-size:14px}.sources-list h2{border:0;margin:0 0 14px;padding:0;font-size:23px}.back{display:inline-block;margin-top:24px;font-size:14px;min-height:44px;padding:9px 0}.article .reading-note{font-size:14px;color:var(--muted);padding-top:12px}.source-id{font:12px ui-monospace,Consolas,monospace;color:var(--muted);overflow-wrap:anywhere}
@media(max-width:700px){.topbar{align-items:flex-start;padding:15px 20px;gap:14px;flex-wrap:wrap}.brand{font-size:25px}.brand-sub{margin-left:10px}.topbar nav{font-size:12px;gap:10px 16px}.shell{padding:35px 20px}.hero .lead{font-size:18px}.notice{padding:15px 17px;font-size:13px}.grid{grid-template-columns:1fr;gap:16px}.report-card{padding:20px}.report-card h2{font-size:22px}.search-row{gap:10px}.search-field{flex-basis:180px}.filters{gap:7px}.filters button{padding:7px 11px;font-size:13px}.article{font-size:15px}.article h2{font-size:23px;margin-top:32px}table{min-width:600px;font-size:13px}.sources-list{padding:18px}.reader .hero h1{font-size:29px}.policy{margin-top:32px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}@media print{body{background:white;color:black;font-size:11pt}.topbar,.toolbar,.footer,.back,.skip{display:none!important}.shell,.reader,.article{max-width:none;padding:0;margin:0}.notice{border:1px solid #aaa;background:white}.grid{display:block}.report-card{break-inside:avoid;margin-bottom:20px}.table-wrap{overflow:visible}table{min-width:0;font-size:9pt}th,td{padding:6px}a{color:inherit}.article h2{break-after:avoid}.article img{max-height:230mm}.policy{page-break-before:auto}}