:root{--ink:#17243a;--muted:#65728a;--line:#dbe3ed;--panel:#fff;--canvas:#f3f6fa;--nav:#13233d;--teal:#1aa894;--teal-soft:#e8f7f4;--amber:#e89a2f;--red:#dd5a5a;--shadow:0 12px 30px rgba(26,42,65,.08)}
*{box-sizing:border-box}html{font-size:16px}body{margin:0;background:var(--canvas);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;line-height:1.55}button,input,select,textarea{font:inherit}.app{min-height:100vh;display:grid;grid-template-columns:252px 1fr}.sidebar{background:var(--nav);color:#d9e5f3;padding:26px 18px;position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:12px;padding:0 8px 26px}.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--teal);display:grid;place-items:center;color:#fff;font-size:20px}.brand b{display:block;color:#fff;font-size:17px}.brand span{font-size:12px;color:#8fa3bd}.nav{display:grid;gap:6px}.nav button{position:relative;border:0;background:transparent;color:#adbed2;padding:12px 14px;border-radius:10px;text-align:left;cursor:pointer;display:flex;gap:11px;align-items:center}.nav button.active,.nav button:hover{background:#203956;color:#fff}.nav i{font-style:normal;width:24px;text-align:center}.nav em{margin-left:auto;background:var(--red);color:#fff;border-radius:20px;min-width:20px;padding:1px 6px;text-align:center;font-size:11px;font-style:normal}.side-foot{position:absolute;bottom:24px;left:26px;font-size:12px;color:#8296af}.workspace{min-width:0}.topbar{height:78px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 34px}.topbar h1{font-size:20px;margin:0}.topbar small{color:var(--muted)}.top-actions{display:flex;align-items:center;gap:14px;color:var(--muted);font-size:14px}.system-ok{display:flex;align-items:center;gap:8px}.system-ok:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px var(--teal-soft)}.avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:#e8eef5;color:#29425e;font-weight:700}.page{display:none;padding:30px 34px 48px;max-width:1500px;margin:auto}.page.active{display:block}.eyebrow{font-size:13px;color:var(--teal);font-weight:700;letter-spacing:.08em}.hero{display:flex;justify-content:space-between;gap:28px;align-items:flex-end;margin-bottom:24px}.hero h2,.page-head h2{margin:4px 0 6px;font-size:30px;letter-spacing:-.02em}.hero p,.page-head p{margin:0;color:var(--muted)}.primary,.secondary{border-radius:10px;padding:10px 16px;font-weight:700;cursor:pointer}.primary{border:0;background:var(--teal);color:#fff;box-shadow:0 7px 18px rgba(26,168,148,.2)}.secondary{border:1px solid var(--line);background:#fff;color:var(--ink)}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}.stat{padding:20px}.stat span{color:var(--muted);font-size:14px}.stat strong{display:block;font-size:30px;margin:7px 0 2px}.stat strong small{font-size:14px;color:var(--muted)}.stat em{font-size:13px;color:var(--teal);font-style:normal}.stat em.warn{color:var(--amber)}.overview-grid{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(300px,.8fr);gap:18px;margin-top:18px}.panel{padding:22px}.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.panel-head.no-pad{padding:0}.panel-head h3{font-size:17px;margin:0}.link{border:0;background:transparent;color:var(--teal);cursor:pointer}.camera-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.camera{position:relative;min-height:170px;border-radius:13px;overflow:hidden;background:linear-gradient(145deg,#1d344a,#263e53);padding:14px;color:#fff}.camera:after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,transparent 20%,rgba(79,190,181,.12),transparent 75%)}.cam-top{position:relative;z-index:1;display:flex;justify-content:space-between;font-size:13px}.live{background:rgba(12,26,42,.72);padding:4px 8px;border-radius:20px}.scan{position:absolute;z-index:1;left:16%;right:12%;top:49%;border-top:1px solid rgba(58,223,201,.75);box-shadow:0 0 12px var(--teal)}.camera strong{position:absolute;z-index:1;left:14px;bottom:13px;font-size:14px}.event-list{display:grid}.event{padding:14px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:start}.event:last-child{border:0}.event-dot{width:10px;height:10px;margin-top:6px;border-radius:50%;background:var(--amber)}.event-dot.red{background:var(--red)}.event b{font-size:14px}.event p{margin:2px 0;color:var(--muted);font-size:13px}.tag{border-radius:20px;background:#fff4e5;color:#a3620b;font-size:12px;padding:4px 8px;white-space:nowrap}.tag.red{background:#fff0f0;color:#b64040}.tag.green{background:var(--teal-soft);color:#117d70}.flow{display:flex;align-items:center;justify-content:space-around;margin-top:18px;padding:18px}.flow div{text-align:center}.flow span{display:block;font-weight:700}.flow small{color:var(--muted)}.flow b{color:#9ab0c8}.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:22px}.toolbar{display:flex;gap:10px;flex-wrap:wrap}.control{height:42px;border:1px solid var(--line);background:#fff;border-radius:9px;padding:0 12px;color:var(--ink)}textarea.control{height:82px;padding-top:9px;resize:vertical}.table-card{overflow:hidden}.data-table{width:100%;border-collapse:collapse}.data-table th{font-size:13px;color:var(--muted);background:#f8fafc;text-align:left;padding:13px 16px;border-bottom:1px solid var(--line)}.data-table td{padding:15px 16px;border-bottom:1px solid var(--line);font-size:14px}.data-table tr:last-child td{border-bottom:0}.data-table tbody tr:hover{background:#fbfcfe}.channel{display:flex;align-items:center;gap:10px}.channel-icon{width:34px;height:34px;border-radius:9px;background:#eaf0f6;display:grid;place-items:center}.dot{width:8px;height:8px;border-radius:50%;display:inline-block;margin-right:7px;background:var(--teal)}.dot.offline{background:#9ba7b5}.switch{position:relative;width:42px;height:24px;border:0;border-radius:20px;background:#c6d0dc;cursor:pointer;padding:0}.switch:after{content:"";position:absolute;width:18px;height:18px;left:3px;top:3px;border-radius:50%;background:#fff;transition:.2s;box-shadow:0 1px 4px #738094}.switch.on{background:var(--teal)}.switch.on:after{transform:translateX(18px)}.rule-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.rule-card{padding:22px}.rule-top{display:flex;justify-content:space-between;align-items:flex-start}.rule-icon{width:42px;height:42px;border-radius:12px;background:var(--teal-soft);color:var(--teal);display:grid;place-items:center;font-weight:800}.rule-card h3{margin:18px 0 4px}.rule-card p{margin:0 0 18px;color:var(--muted);font-size:14px;min-height:44px}.range-row{display:flex;justify-content:space-between;font-size:13px;margin-bottom:7px}.range-row b{color:var(--teal)}input[type=range]{width:100%;accent-color:var(--teal)}.rule-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:12px;margin-top:15px}.note{padding:20px;margin-top:18px}.note p{margin:5px 0 0;color:var(--muted)}.alert-row button{border:0;background:var(--teal-soft);color:#117d70;border-radius:8px;padding:7px 10px;cursor:pointer;font-weight:700}.alert-row button:disabled{background:#eef2f6;color:#8793a2;cursor:default}.severity{font-weight:700}.severity.high{color:var(--red)}.severity.medium{color:#b77415}.report-grid{display:grid;grid-template-columns:1.5fr .8fr;gap:18px}.chart-card{padding:22px}.chart{height:260px;display:flex;align-items:flex-end;gap:10px;border-bottom:1px solid var(--line);padding:20px 8px 0}.bar-wrap{flex:1;height:100%;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:7px}.bar{width:min(42px,72%);border-radius:8px 8px 0 0;background:linear-gradient(180deg,#37c7b6,#168e80);min-height:12px;position:relative}.bar:before{content:attr(data-value);position:absolute;top:-24px;width:100%;text-align:center;font-size:12px;font-weight:700}.bar-label{font-size:12px;color:var(--muted);height:24px}.metric-list{display:grid;gap:14px}.metric{border-bottom:1px solid var(--line);padding-bottom:14px}.metric:last-child{border:0}.metric small{color:var(--muted)}.metric strong{display:block;font-size:25px;margin-top:3px}.report-table{margin-top:18px}.role-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:18px}.role-card{padding:20px}.role-title{display:flex;align-items:center;gap:12px}.role-title>span{width:38px;height:38px;border-radius:10px;background:var(--teal-soft);color:var(--teal);display:grid;place-items:center;font-weight:700}.role-card h3{margin:0}.role-card small,.role-card p{color:var(--muted)}.role-card p{font-size:13px}.role-card em{display:inline-block;font-style:normal;font-size:12px;background:#eef3f8;border-radius:6px;padding:5px 8px;margin:3px}.modal{position:fixed;z-index:50;inset:0;background:rgba(8,18,32,.5);display:grid;place-items:center;padding:20px}.dialog{background:#fff;border-radius:17px;width:min(560px,100%);box-shadow:0 25px 80px rgba(0,0,0,.25);overflow:hidden}.dialog-head{padding:20px 22px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between}.dialog-head h3{margin:0}.close{border:0;background:transparent;font-size:22px;cursor:pointer}.dialog-body{padding:22px}.evidence{height:160px;border-radius:12px;background:linear-gradient(140deg,#20354a,#304e61);display:grid;place-items:center;color:#dbe9f4;margin-bottom:18px}.field{display:grid;gap:7px;margin-top:14px}.field label{font-size:13px;color:var(--muted)}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;padding:0 22px 22px}.toast{position:fixed;z-index:80;right:24px;bottom:24px;background:#13233d;color:#fff;padding:12px 18px;border-radius:10px;box-shadow:var(--shadow);transform:translateY(20px);opacity:0;pointer-events:none;transition:.25s}.toast.show{transform:none;opacity:1}.empty{padding:44px;text-align:center;color:var(--muted)}.hidden{display:none!important}
@media(max-width:980px){.app{grid-template-columns:82px 1fr}.sidebar{padding:24px 12px}.brand{padding:0 8px 24px}.brand div:last-child,.nav span,.side-foot{display:none}.nav button{justify-content:center}.nav em{position:absolute;right:8px;top:5px}.stats{grid-template-columns:repeat(2,1fr)}.overview-grid,.report-grid{grid-template-columns:1fr}.rule-grid,.role-grid{grid-template-columns:1fr 1fr}.flow b{display:none}}
@media(max-width:640px){.app{display:block}.sidebar{position:fixed;z-index:20;left:0;right:0;bottom:0;top:auto;width:auto;height:72px;padding:9px;background:rgba(19,35,61,.97)}.brand,.side-foot{display:none}.nav{grid-template-columns:repeat(6,1fr);gap:2px}.nav button{padding:9px 4px;display:grid;gap:0;font-size:11px;text-align:center}.nav span{display:block}.nav em{right:2px;top:0}.topbar{height:64px;padding:0 18px}.topbar small,.system-ok,.avatar{display:none}.page{padding:22px 16px 96px}.hero,.page-head{align-items:flex-start;flex-direction:column}.hero h2,.page-head h2{font-size:24px}.hero>.primary{display:none}.stats{grid-template-columns:1fr 1fr;gap:10px}.stat{padding:16px}.stat strong{font-size:25px}.camera-grid,.rule-grid,.role-grid{grid-template-columns:1fr}.overview-grid{grid-template-columns:1fr}.flow{overflow-x:auto;justify-content:flex-start;gap:22px}.flow div{min-width:96px}.table-card{overflow-x:auto}.data-table{min-width:720px}.toolbar{width:100%}.toolbar .control{min-width:0;flex:1}.chart{height:230px}}