:root{--ink:#26384b;--sub:#63758b;--green:#2763ac;--light:#f2f5fa;--line:#dbe3ed;--warn:#7b4a17;--warm:#fcf5e7;--radius:5px}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:#f5f7fa;font:15px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.48}button,a,input,textarea,select,summary{outline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #8db5e4}.skip{position:fixed;left:20px;top:-80px;background:white;padding:12px;z-index:5}.skip:focus{top:10px}.topbar{padding:20px max(24px,calc((100vw - 1320px)/2));background:#fff;border-bottom:1px solid 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button:not(:disabled):hover{background:#edf3fc}.actions button:not(:disabled):active{transform:translateY(1px)}.actions .primary{background:var(--green);color:#fff;border-color:var(--green)}.actions .primary:not(:disabled):hover{background:#1c4c89}.empty{text-align:center;padding:45px 8px 60px;color:var(--sub)}.empty>span{display:grid;place-items:center;width:50px;height:50px;border-radius:50%;background:#edf3fc;margin:0 auto 18px;color:#496d9b;font-size:26px}.empty h3{font-size:16px;color:var(--ink);margin:0 0 12px}.empty p{font-size:12px;line-height:1.9}.notice{padding:12px 14px;border-radius:5px;background:#edf3fc;font-size:12px;line-height:1.8;margin-bottom:15px}.notice.warning{background:var(--warm);color:var(--warn)}.chips{display:flex;flex-wrap:wrap;gap:6px}.chips span{background:var(--warm);padding:3px 8px;border-radius:5px;font-size:11px;color:var(--warn)}.local-note{border-top:1px solid #e9edf3;padding-top:15px;color:var(--sub);font-size:11px;line-height:1.8;margin:20px 0 0}.source{padding:16px 0;border-top:1px solid var(--line)}.source:first-child{border-top:0;padding-top:8px}.source h3{font-size:13px;line-height:1.6;margin:7px 0}.source p{font-size:12px;color:#536d8d;line-height:1.85}.source .meta{font-family:ui-monospace,monospace;font-size:10px;color:var(--green)}.source .hint{font-size:10px;color:var(--sub)}.muted{color:var(--sub);font-size:13px;margin:28px 0}.section-title{margin:38px 0 25px}.section-title h2{font-size:24px;margin:0 0 8px}.section-title p{color:var(--sub);font-size:14px}.knowledge-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.knowledge-grid article h3{font-size:16px;margin:14px 0 10px}.knowledge-grid article p{font-size:13px;line-height:1.9}.record{background:white;border:1px solid var(--line);border-radius:5px;padding:22px;margin:16px 0;white-space:pre-wrap;overflow-wrap:anywhere}.record h3{font-size:14px;margin:0 0 12px}.record p{font-size:13px}.record .hint{font-size:11px;margin:12px 0 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.topbar{background:#18395c;color:white;padding-top:14px;padding-bottom:14px;border-bottom:0}.mark{background:#fff;color:#18395c;border-radius:3px;width:36px;height:36px}.brand strong{font-size:20px}.brand small{color:#c8d7eb}.topbar nav a{color:white}.intro{padding:30px 0 23px}.intro h1{font-size:30px}.intro>div>p:last-child{font-size:14px}.eyebrow{letter-spacing:.04em}.panel{border-radius:4px;padding:21px}.panel-head{padding-bottom:14px;margin-bottom:17px}.tabs{margin-bottom:22px}.tabs button.active{color:#2459a1;border-bottom-color:#2459a1}.badge{border-radius:3px;background:#eaf1fb;color:#2459a1}.examples button{border-radius:3px}.actions button{border-radius:3px;font-size:13px}.facts label{font-size:13px}.source .meta{font-size:12px;color:#2459a1}.source .hint{font-size:12px}.panel-head h2 span{color:#7b8da4}.empty>span{border-radius:4px}.record{border-radius:4px}footer{font-size:12px}
@media(max-width:700px){.topbar{padding:15px 18px}.intro h1{font-size:26px}.intro{padding-top:24px}.panel{padding:18px}.source .meta,.source .hint{font-size:12px}}

.demo-note{color:#536276;font-size:13px}.local-note{color:#536276}