:root{--green:#173c31;--green2:#245848;--lime:#9ad8b0;--bg:#f4f7f5;--card:#fff;--line:#d8e1dc;--text:#17211d;--muted:#64736b;--warn:#fff5d9;--alarm:#b51d28;--ok:#188447;--demo:#c98600;--blue:#245cb5}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Segoe UI,Arial,sans-serif}.top{height:62px;background:var(--green);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:20}.brand{color:#fff;text-decoration:none;font-weight:800;font-size:22px;letter-spacing:.5px}.brand span{font-weight:500;color:#b9e6c7}.topright{display:flex;align-items:center;gap:10px}.badge{padding:6px 10px;border:1px solid #6ea789;border-radius:999px;font-weight:700}.lang{padding:7px 8px;border-radius:7px;border:0}.product-link{color:#d9f5e2;text-decoration:none;font-size:13px}.page{max-width:1600px;margin:0 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th{background:#f2f6f4}.probe-table tr.ok td:last-child{color:var(--ok);font-weight:700}.probe-table tr.alarm{background:#fdebed;color:#8e1720}.probe-table tr.missing{color:#777}.probe-table tr.invalid{color:#a45d00}.events-wrap h3{font-size:14px;margin:0 0 7px}.events-table td:last-child{text-align:left}.events-table tr.alarm{color:var(--alarm)}.events-table tr.warn{color:#a45d00}.events-table tr.info{color:var(--blue)}.chart-card{border-top:1px solid var(--line);padding:8px 14px 10px}.chart-tools{display:flex;align-items:center;gap:5px;font-size:12px;color:var(--muted);margin-bottom:5px}.chart-tools span{margin-left:8px}.chart-tools button{padding:5px 9px}.chart-card canvas{width:100%;height:360px;border:1px solid #e0e7e3;background:#fff;display:block}.footerbar{border-top:1px solid var(--line);padding:9px 14px;display:flex;align-items:center;gap:8px;font-size:13px}.check{color:var(--ok);font-size:18px;font-weight:900}.divider{height:20px;border-left:1px solid var(--line);margin:0 5px}.version{margin-left:auto}.sim-controls{margin-top:16px;padding:14px}.section-title{display:flex;justify-content:space-between;align-items:center;gap:14px}.section-title h2{margin:0;font-size:20px}.probe-controls{display:grid;grid-template-columns:repeat(4,minmax(150px,1fr));gap:10px;margin-top:12px}.probe-control{border:1px solid var(--line);border-radius:9px;padding:10px;background:#fbfdfc}.probe-control .head{display:flex;justify-content:space-between;font-weight:700;margin-bottom:6px}.probe-control input[type=range]{width:100%}.probe-control .checks{display:flex;gap:10px;font-size:12px;margin-top:6px}.lesson{padding:15px;position:sticky;top:78px;height:max-content}.lesson h2{margin:0 0 10px}.lessons{display:grid;gap:6px}.lesson-btn{width:100%;text-align:left}.lesson-btn.active{background:#dcece4;border-color:#7eac95}.lesson-body{margin-top:15px;line-height:1.5;font-size:14px}.lesson-body h3{margin:0 0 7px}.tip{margin-top:12px;background:#edf6f1;border-left:4px solid var(--green2);padding:10px;font-size:13px}.modal{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}.modal.hidden{display:none}.modal-box{background:#fff;max-width:920px;width:100%;max-height:90vh;overflow:auto;border-radius:12px;padding:18px;position:relative}.modal-close{position:absolute;right:10px;top:8px;border:0;background:transparent;font-size:25px}.alarm-grid{width:100%;border-collapse:collapse;margin-top:14px}.alarm-grid th,.alarm-grid td{padding:7px;border-bottom:1px solid var(--line);text-align:center}.alarm-grid input[type=number]{width:90px;padding:5px}.about-box h2{margin-top:0}.site-footer{text-align:center;color:var(--muted);font-size:12px;padding:18px}.pill{display:inline-block;padding:3px 7px;border-radius:999px;background:#eef3f0}.flash{animation:flash .45s ease}@keyframes 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