:root{--blue:#214f80;--blue-soft:#edf3f9;--ink:#172b3c;--muted:#617285;--line:#dbe3eb;--bg:#f4f6f8;--white:#fff;--green:#157343;--red:#b3261e;--radius:12px;font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);font-size:16px;color-scheme:light}
*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button{cursor:pointer;border:1px solid var(--line);background:var(--white);color:var(--ink);border-radius:8px;min-height:44px;padding:10px 18px;font-weight:600}button:hover{background:var(--blue-soft)}button:disabled{opacity:.5;cursor:not-allowed}button.primary{background:var(--blue);border-color:var(--blue);color:white}button.primary:hover{background:#183d64}.quiet{border-color:transparent;background:transparent}.danger{background:var(--red);color:white;border-color:var(--red)}.danger-link{background:transparent;color:var(--red);border-color:transparent}.hidden{display:none!important}:focus-visible{outline:3px solid #64a2df;outline-offset:3px}h1,h2,h3,p{margin:0}h1{font-size:30px;line-height:1.3;margin:6px 0 12px}h2{font-size:22px;margin-bottom:8px}h3{font-size:18px;margin-bottom:16px}.muted{color:var(--muted)}.small{font-size:14px;line-height:1.6}.eyebrow{font-size:14px;font-weight:600;color:var(--blue)}
.site-header{display:flex;justify-content:space-between;align-items:center;padding:18px max(24px,calc((100vw - 1100px)/2));background:var(--white);border-bottom:1px solid var(--line);gap:20px}.brand{display:flex;gap:12px;align-items:center}.brand-icon{display:grid;place-items:center;background:var(--blue);color:white;width:40px;height:40px;border-radius:10px;font-weight:700;font-size:22px}.brand strong{display:block;font-size:19px}.brand div>span{display:block;color:var(--muted);font-size:12px;margin-top:2px}main{max-width:1100px;margin:auto;padding:36px 24px 60px}.login-panel{max-width:460px;margin:48px auto;padding:32px;background:white;border:1px solid var(--line);border-radius:var(--radius)}.login-panel form{margin-top:28px}.login-panel .primary{width:100%}label{display:block;font-size:14px;font-weight:600;margin-bottom:16px}input:not([type=checkbox]),select{display:block;width:100%;min-height:44px;padding:10px 12px;border:1px solid var(--line);border-radius:7px;background:white;color:var(--ink);margin-top:8px}input:focus,select:focus{border-color:var(--blue)}.error{color:var(--red);font-size:14px;line-height:1.6;min-height:0}.error:not(:empty){margin:10px 0 16px}.page-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;gap:16px}.page-heading h1{margin-bottom:0}.device-bar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px}.device-select{margin:0;min-width:200px}.device-select select{margin-top:4px}.device-bar>div{display:flex;gap:12px;align-items:center;flex-wrap:wrap;justify-content:end}.status{font-size:14px;font-weight:600;padding:6px 12px;border-radius:20px;background:#e6f3ec;color:var(--green)}.status.offline{background:#e9edf1;color:var(--muted)}.notice{background:#fff7e7;color:#765300;border:1px solid #eeddb6;border-radius:8px;padding:12px 16px;margin:12px 0;font-size:14px;line-height:1.6}.status-strip{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:var(--radius);background:white;margin-top:20px}.status-strip>div{display:flex;flex-direction:column;gap:8px;padding:24px}.status-strip>div+div{border-left:1px solid var(--line)}.status-strip strong{font-size:32px;font-variant-numeric:tabular-nums;line-height:1.3}.quick-actions{display:flex;gap:12px;flex-wrap:wrap;margin:20px 0 0}.feedback{font-size:14px;color:var(--blue);min-height:24px;margin-top:12px}.tabs{display:flex;border-bottom:1px solid var(--line);gap:12px;margin:20px 0 0}.tabs button{border:0;background:transparent;border-bottom:3px solid transparent;border-radius:0;padding:12px 8px;font-weight:500}.tabs button.active{border-bottom-color:var(--blue);color:var(--blue);font-weight:700}.panel{padding:28px;margin-top:20px;background:white;border:1px solid var(--line);border-radius:var(--radius)}.section-heading{display:flex;justify-content:space-between;align-items:start;gap:20px;margin-bottom:24px}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}.settings-group+.settings-group{border-left:1px solid var(--line);padding-left:40px}.switch-row{display:flex;align-items:center;justify-content:space-between;gap:24px;font-size:16px;font-weight:400;min-height:44px;margin:0 0 12px}.switch-row input{accent-color:var(--blue);width:22px;height:22px;flex-shrink:0}.settings-group>label:not(.switch-row){margin-top:16px}.time-fields{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-footer{border-top:1px solid var(--line);margin-top:24px;padding-top:20px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}.form-footer .error{width:100%;margin:0}.contact-row{padding:20px 0;border-bottom:1px solid var(--line)}.contact-top{display:flex;align-items:center;gap:16px;margin-bottom:16px}.avatar{width:56px;height:56px;border-radius:50%;object-fit:cover;background:var(--blue-soft)}.avatar-placeholder{display:grid;place-items:center;color:var(--blue);font-size:24px}.contact-top strong{flex:1}.contact-fields{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.contact-fields label{margin-bottom:12px}.photo-label{font-weight:400;color:var(--muted)}.history{list-style:none;margin:24px 0 0;padding:0}.history li{display:flex;justify-content:space-between;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}.history li p{margin-top:6px}.history time{font-variant-numeric:tabular-nums;white-space:nowrap;color:var(--muted);font-size:14px}.result-success{color:var(--green)}.result-failed{color:var(--red)}.device-footer{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:20px}.empty{text-align:center;border:1px dashed var(--line);background:white;padding:64px 24px;border-radius:var(--radius)}.empty p{margin:12px 0 24px}dialog{border:1px solid var(--line);border-radius:var(--radius);padding:28px;max-width:480px;width:calc(100% - 32px);color:var(--ink)}dialog::backdrop{background:rgba(15,30,45,.45)}dialog p{line-height:1.6;margin-bottom:20px}.dialog-actions{display:flex;justify-content:end;gap:12px;margin-top:24px}.pair-code{font-size:40px;font-weight:700;color:var(--blue);text-align:center;font-variant-numeric:tabular-nums;padding:20px;background:var(--blue-soft);border-radius:8px;margin:16px 0}.pair-result .primary{width:100%}
@media(max-width:700px){.site-header{padding:16px 20px}main{padding:24px 16px 40px}.page-heading h1{font-size:26px}.page-heading button{font-size:14px;padding:10px 12px}.device-bar{align-items:start;flex-direction:column}.device-bar>div{justify-content:start}.device-select{width:100%}.status-strip>div{padding:16px 12px}.status-strip strong{font-size:26px}.quick-actions{gap:8px}.quick-actions button{flex:1;font-size:14px;padding:10px 8px}.panel{padding:20px}.settings-grid{grid-template-columns:1fr;gap:28px}.settings-group+.settings-group{border-left:0;border-top:1px solid var(--line);padding:24px 0 0}.contact-fields{grid-template-columns:1fr}.tabs{gap:16px}.tabs button{font-size:15px;padding:12px 0}.section-heading{gap:12px}.device-footer{align-items:start}.history li{flex-direction:column;gap:8px}.login-panel{margin:16px 0;padding:24px}.login-panel h1{font-size:26px}.form-footer>.primary{width:100%}}