:root{color-scheme:dark;--bg:#0b1422;--panel:#101e30;--text:#e7eef5;--muted:#a6b6c8;--line:#2b3b4d;--teal:#28c7b3;--error:#ffc4b5;font-family:system-ui,"Microsoft YaHei",sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-size:16px;line-height:1.65}a{color:var(--teal);text-underline-offset:5px}a:hover{color:#9ce9df}button,input{font:inherit}button{border:1px solid var(--teal);background:var(--teal);color:#09231f;border-radius:8px;padding:10px 18px;min-height:44px;font-weight:650;cursor:pointer}button:hover{background:#61d8c9}button:disabled{opacity:.55;cursor:wait}button.quiet{background:transparent;color:var(--text);border-color:var(--line)}:focus-visible{outline:3px solid #a3ede3;outline-offset:4px}input{display:block;width:100%;min-height:48px;padding:10px 13px;border:1px solid #506379;border-radius:7px;background:#0c1727;color:var(--text)}label{display:block;margin:18px 0 7px;font-size:.95rem;font-weight:600}[hidden]{display:none!important}
.masthead{max-width:1260px;margin:auto;padding:24px 40px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:24px}.brand{color:var(--text);font-size:23px;font-weight:700;text-decoration:none;letter-spacing:-.6px}.brand span{display:block;font-size:12px;color:var(--muted);letter-spacing:2px;font-weight:400}nav{display:flex;align-items:center;gap:24px;font-size:14px}main{max-width:1180px;padding:36px 40px 70px;margin:auto}.intro{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;padding:12px 0 30px!important;border:0!important}h1{font-size:clamp(32px,4vw,48px);letter-spacing:-1px;line-height:1.28;margin:12px 0 18px;font-weight:650}h2{font-size:22px;font-weight:600;line-height:1.4;margin:0 0 20px}.eyebrow{color:var(--teal);font-size:13px;letter-spacing:2px;margin:0}.muted{color:var(--muted);max-width:680px}.caption{font-size:13px;color:var(--muted)}.refresh{text-align:right;flex-shrink:0}.overview{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:24px 0;margin:0 0 14px}.overview>div{padding:0 24px;border-left:1px solid var(--line)}.overview>div:first-child{padding-left:0;border:0}dt{font-size:13px;color:var(--muted)}dd{font-size:34px;font-weight:550;line-height:1.3;margin:8px 0 0;font-variant-numeric:tabular-nums}.agent{font-size:18px;line-height:1.6;padding-top:6px}.agent span{display:block;font-size:12px;color:var(--muted);font-weight:400}.login{max-width:500px;margin:5vh auto 8vh;padding:0!important;border:0!important}.login form{max-width:400px;margin-top:26px}.login button{width:100%;margin-top:24px}.message{border-left:3px solid var(--teal);background:var(--panel);padding:12px 16px;overflow-wrap:anywhere}.message.error{border-color:var(--error);color:var(--error)}section{padding:32px 0;border-bottom:1px solid var(--line)}.section-head{display:flex;justify-content:space-between;align-items:baseline;gap:20px}.row{padding:14px 0;border-bottom:1px solid var(--line);overflow-wrap:anywhere}.row:last-child{border:0}.row p{margin:5px 0}.row strong{font-weight:600}.empty{color:var(--muted);padding:12px 0 4px}.table-wrap{overflow:auto;max-width:100%;scrollbar-color:var(--line) transparent}table{width:100%;border-collapse:collapse;text-align:left;font-size:14px}th{color:var(--muted);font-weight:500;white-space:nowrap}th,td{padding:12px 12px 12px 0;border-bottom:1px solid var(--line)}td{font-variant-numeric:tabular-nums;white-space:nowrap}tr:last-child td{border-bottom:0}.answer{white-space:pre-wrap;overflow-wrap:anywhere;max-width:900px;font-size:15px;color:var(--text)}.pairing{margin-top:22px;padding:18px 20px;background:var(--panel);border-radius:8px}summary{cursor:pointer;color:var(--teal);font-weight:600;min-height:30px}.pair-controls{display:flex;gap:12px;max-width:600px}.pair-controls input{flex:1;min-width:0}.pair-controls button{flex-shrink:0}#pair-result{max-width:600px;margin-top:18px}#pair-code{font-family:ui-monospace,monospace;font-size:13px}footer{max-width:1260px;margin:auto;padding:24px 40px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}
@media(max-width:700px){.masthead{padding:18px 20px;align-items:flex-start}nav{gap:14px;flex-direction:column;align-items:flex-end}.brand{font-size:21px}main{padding:24px 20px 44px}.intro{display:block}.refresh{text-align:left;margin-top:22px}.overview{grid-template-columns:1fr 1fr;gap:22px}.overview>div{border:0;padding:0}dd{font-size:30px}.section-head{display:block}.section-head h2{margin-bottom:4px}.section-head .caption{display:block;margin-bottom:16px}.pair-controls{flex-direction:column}.login{margin-top:3vh}footer{padding:22px 20px}.pairing{padding:16px}}
@media(prefers-reduced-motion:no-preference){button,a{transition:background-color .12s,color .12s}}