*{box-sizing:border-box}
  :root{
    --brand:#4F46E5; --brand2:#7C3AED; --brand-bg:#EEF0FF; --brand-bd:#DDD9FF;
    --bg:#F4F6FA; --card:#fff;
    --t1:#1F2430; --t2:#5B6474; --t3:#8A94A6;
    --line:#E8EBF0; --line2:#DFE3EA;
    --ok:#0E9F6E; --ok-bg:#E8F8EE;
    --warn:#B45309; --warn-bg:#FFF7E6;
    --danger:#DC2626; --danger-bg:#FEECEC;
    --info-bg:#EAF4FF; --info:#1D6FD0;
  }
  html,body{margin:0;height:100%}
  body{
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
    background:var(--bg);color:var(--t1);font-size:13px;
  }
  .app{display:flex;min-height:100vh}

  /* ============ 侧栏 ============ */
  .side{
    width:216px;flex:0 0 216px;background:#1E2130;color:#A5ADC0;
    display:flex;flex-direction:column;position:sticky;top:0;height:100vh;
  }
  .logo{
    height:58px;display:flex;align-items:center;gap:9px;padding:0 18px;
    border-bottom:1px solid rgba(255,255,255,.07);flex:0 0 auto;
  }
  .logo .m{
    width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,var(--brand),var(--brand2));
    display:grid;place-items:center;font-size:13px;color:#fff;font-weight:800;flex:0 0 auto;
  }
  .logo .t{font-size:13.5px;font-weight:700;color:#fff;letter-spacing:.2px;line-height:1.25}
  .logo .t small{display:block;font-size:10px;color:#7A839A;font-weight:400;letter-spacing:0}
  .menu{flex:1;overflow-y:auto;padding:10px 0 20px}
  .menu::-webkit-scrollbar{width:0}
  .menu .grp{font-size:10.5px;color:#5C6478;padding:14px 18px 6px;letter-spacing:.6px}
  .menu a{
    display:flex;align-items:center;gap:10px;padding:9px 18px;font-size:13px;
    color:#A5ADC0;text-decoration:none;border-left:3px solid transparent;cursor:pointer;transition:.13s;
  }
  .menu a:hover{background:rgba(255,255,255,.05);color:#fff}
  .menu a.on{background:linear-gradient(90deg,rgba(79,70,229,.28),rgba(79,70,229,.06));color:#fff;border-left-color:var(--brand);font-weight:600}
  .menu a svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto}
  .menu a .pin{margin-left:auto;font-size:10px;background:var(--brand);color:#fff;padding:1px 6px;border-radius:8px;font-weight:600}
  .side .ft{padding:12px 18px;border-top:1px solid rgba(255,255,255,.07);font-size:10.5px;color:#5C6478;flex:0 0 auto}

  /* ============ 主区 ============ */
  .main{flex:1;min-width:0;display:flex;flex-direction:column}
  .hd{
    height:58px;background:#fff;border-bottom:1px solid var(--line);
    display:flex;align-items:center;padding:0 24px;gap:14px;position:sticky;top:0;z-index:30;
  }
  .hd h2{margin:0;font-size:16px;font-weight:600}
  .hd .crumb{font-size:12px;color:var(--t3)}
  .hd .sp{margin-left:auto;display:flex;align-items:center;gap:14px}
  .hd .who{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--t2)}
  .hd .who .av{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;display:grid;place-items:center;font-size:12px;font-weight:700}
  .content{padding:20px 24px 40px;flex:1}

  .page{display:none}
  .page.on{display:block}

  /* ============ 组件 ============ */
  .panel{background:#fff;border:1px solid var(--line);border-radius:10px;margin-bottom:16px}
  .panel .ph{
    padding:14px 18px;border-bottom:1px solid var(--line);
    display:flex;align-items:center;gap:10px;
  }
  .panel .ph h3{margin:0;font-size:14px;font-weight:600}
  .panel .ph .sp{margin-left:auto;display:flex;gap:8px;align-items:center}
  .panel .pb{padding:16px 18px}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:6px;
    height:34px;padding:0 15px;border-radius:8px;font-size:13px;font-family:inherit;
    border:1px solid var(--line2);background:#fff;color:var(--t1);cursor:pointer;transition:.13s;white-space:nowrap;
  }
  .btn:hover{border-color:#B9C0CC}
  .btn.pri{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:500}
  .btn.pri:hover{background:#4338CA;border-color:#4338CA}
  .btn.dgr{color:var(--danger);border-color:#F3C7C7}
  .btn.dgr:hover{background:var(--danger-bg)}
  .btn.sm{height:28px;padding:0 11px;font-size:12px;border-radius:7px}
  .btn svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
  .lnk{color:var(--brand);cursor:pointer;font-size:12.5px;text-decoration:none}
  .lnk:hover{text-decoration:underline}
  .lnk.dgr{color:var(--danger)}
  .sep{color:var(--line2);margin:0 6px}

  /* 筛选栏 */
  .filter{
    display:flex;flex-wrap:wrap;gap:12px;align-items:center;
    padding:14px 18px;background:#fff;border:1px solid var(--line);border-radius:10px;margin-bottom:16px;
  }
  .filter label{font-size:12.5px;color:var(--t2);display:flex;align-items:center;gap:7px}
  .inp{
    height:34px;border:1px solid var(--line2);border-radius:8px;padding:0 11px;font-size:12.5px;
    font-family:inherit;color:var(--t1);background:#fff;outline:none;transition:.13s;min-width:120px;
  }
  .inp:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(79,70,229,.1)}
  .inp.sel{appearance:none;padding-right:28px;min-width:130px;
    background-image:linear-gradient(45deg,transparent 50%,#8A94A6 50%),linear-gradient(135deg,#8A94A6 50%,transparent 50%);
    background-position:calc(100% - 15px) 15px,calc(100% - 10px) 15px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
  .inp.ta{height:auto;padding:9px 11px;line-height:1.6;resize:vertical;width:100%}
  .filter .right{margin-left:auto;display:flex;gap:8px}

  /* 表格 */
  .tbwrap{overflow-x:auto}
  table.tb{width:100%;border-collapse:collapse;font-size:12.5px}
  table.tb th{
    background:#FAFBFD;color:var(--t2);font-weight:600;text-align:left;
    padding:11px 14px;border-bottom:1px solid var(--line);white-space:nowrap;font-size:12px;
  }
  table.tb td{
    padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:middle;color:var(--t1);
  }
  table.tb tr:last-child td{border-bottom:none}
  table.tb tbody tr:hover{background:#FAFBFF}
  table.tb .mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11.5px;color:var(--t2)}
  table.tb .nowrap{white-space:nowrap}
  table.tb .num{font-variant-numeric:tabular-nums}
  .u{display:flex;align-items:center;gap:9px}
  .u .av{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-size:11px;color:#fff;font-weight:700;flex:0 0 auto}
  .u .info b{display:block;font-weight:600;font-size:12.5px}
  .u .info s{text-decoration:none;font-size:11px;color:var(--t3)}

  /* 状态标签 */
  .tag{display:inline-flex;align-items:center;gap:5px;font-size:11.5px;padding:2.5px 9px;border-radius:6px;font-weight:500;white-space:nowrap}
  .tag::before{content:"";width:5px;height:5px;border-radius:50%;background:currentColor}
  .tag.ok{background:var(--ok-bg);color:var(--ok)}
  .tag.warn{background:var(--warn-bg);color:var(--warn)}
  .tag.err{background:var(--danger-bg);color:var(--danger)}
  .tag.info{background:var(--info-bg);color:var(--info)}
  .tag.mute{background:#F2F4F7;color:#6B7484}
  .tag.brand{background:var(--brand-bg);color:var(--brand)}

  .chip{display:inline-block;font-size:11.5px;background:#F4F6FA;border:1px solid var(--line);color:var(--t2);padding:2px 8px;border-radius:6px;margin:1px 2px 1px 0}
  .code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:11.5px;background:var(--brand-bg);color:var(--brand);border:1px solid var(--brand-bd);padding:2px 7px;border-radius:5px}
  .thumbx{width:40px;height:40px;border-radius:7px;flex:0 0 auto}

  /* 分页 */
  .pager{display:flex;align-items:center;padding:14px 18px;border-top:1px solid var(--line);font-size:12.5px;color:var(--t2)}
  .pager .sp{margin-left:auto;display:flex;gap:6px;align-items:center}
  .pager button{
    min-width:30px;height:30px;border:1px solid var(--line2);background:#fff;border-radius:7px;
    cursor:pointer;font-size:12.5px;color:var(--t2);font-family:inherit;
  }
  .pager button.on{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
  .pager button:disabled{opacity:.45;cursor:default}

  /* KPI */
  .kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:16px}
  .kpi{background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px 18px;position:relative;overflow:hidden}
  .kpi .k{font-size:12px;color:var(--t2)}
  .kpi .v{font-size:26px;font-weight:700;margin-top:8px;letter-spacing:-.5px;font-variant-numeric:tabular-nums}
  .kpi .v small{font-size:12px;font-weight:500;color:var(--t3);margin-left:4px}
  .kpi .d{font-size:11.5px;margin-top:7px;color:var(--ok)}
  .kpi .d.dn{color:var(--danger)}
  .kpi .bgic{position:absolute;right:-6px;top:-6px;width:58px;height:58px;opacity:.06}

  /* 柱状图 */
  .chart{display:flex;align-items:flex-end;gap:16px;height:170px;padding:10px 4px 0}
  .chart .col{flex:1;display:flex;flex-direction:column;align-items:center;gap:7px;height:100%;justify-content:flex-end}
  .chart .bar{width:100%;max-width:38px;border-radius:6px 6px 2px 2px;background:linear-gradient(180deg,var(--brand),#7C83F0);min-height:6px;position:relative}
  .chart .bar.hi{background:linear-gradient(180deg,#F97316,#FB923C)}
  .chart .lab{font-size:11px;color:var(--t3)}
  .chart .val{font-size:10.5px;color:var(--t2);font-weight:600}

  /* 网格卡（图例管理） */
  .lgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(184px,1fr));gap:14px}
  .lcard{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff;transition:.15s}
  .lcard:hover{box-shadow:0 6px 18px -8px rgba(31,36,48,.25);border-color:#D6DBE4}
  .lcard .im{height:126px;position:relative}
  .lcard .im .st{position:absolute;left:8px;top:8px}
  .lcard .im .sort{position:absolute;right:8px;top:8px;background:rgba(0,0,0,.45);color:#fff;font-size:10.5px;padding:2px 7px;border-radius:6px}
  .lcard .bd{padding:11px 12px}
  .lcard .bd .t{font-size:13px;font-weight:600}
  .lcard .bd .s{font-size:11px;color:var(--t3);margin-top:4px;display:flex;justify-content:space-between}
  .lcard .ops{display:flex;gap:0;border-top:1px solid var(--line);margin-top:10px}
  .lcard .ops a{flex:1;text-align:center;font-size:12px;padding:8px 0;color:var(--t2);cursor:pointer;text-decoration:none}
  .lcard .ops a:hover{background:#F7F9FC;color:var(--brand)}
  .lcard .ops a+a{border-left:1px solid var(--line)}
  .lcard .ops a.dgr:hover{color:var(--danger);background:var(--danger-bg)}

  .pupload{
    border:1.5px dashed #C9CFDA;border-radius:10px;background:#FBFCFE;
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:9px;
    min-height:190px;color:var(--t3);cursor:pointer;transition:.15s;text-align:center;padding:20px;
  }
  .pupload:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-bg)}
  .pupload .ic{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand2));display:grid;place-items:center}
  .pupload .ic svg{width:20px;height:20px;stroke:#fff;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
  .pupload b{font-size:13px;color:var(--t1);font-weight:600}
  .pupload span{font-size:11.5px}

  /* 表单 */
  .form .frow{display:flex;gap:16px;padding:15px 0;border-bottom:1px dashed var(--line);align-items:flex-start}
  .form .frow:last-child{border-bottom:none}
  .form .fl{width:150px;flex:0 0 150px;font-size:13px;color:var(--t2);padding-top:8px;text-align:right}
  .form .fl .rq{color:var(--danger);margin-left:2px}
  .form .fr{flex:1;min-width:0}
  .form .fr .tip{font-size:11.5px;color:var(--t3);margin-top:6px;line-height:1.6}
  .form .fr .unit{display:flex;align-items:center;gap:8px}
  .form .fr .unit span{font-size:12.5px;color:var(--t2)}
  .w-sm{width:190px}.w-md{width:300px}.w-lg{width:460px}.w-full{width:100%}
  .sw{width:42px;height:24px;border-radius:999px;background:var(--brand);position:relative;cursor:pointer;flex:0 0 auto;transition:.2s}
  .sw.off{background:#D5D9E0}
  .sw b{position:absolute;top:2px;right:2px;width:20px;height:20px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.2);transition:.2s}
  .sw.off b{right:auto;left:2px}
  .radio{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--t1);cursor:pointer;margin-right:18px}
  .radio i{width:15px;height:15px;border:1.5px solid #C4CAD4;border-radius:50%;display:inline-block;position:relative;flex:0 0 auto}
  .radio.on i{border-color:var(--brand)}
  .radio.on i::after{content:"";position:absolute;inset:3px;background:var(--brand);border-radius:50%}

  /* 弹窗 */
  .modal{position:fixed;inset:0;background:rgba(24,29,40,.45);display:none;align-items:center;justify-content:center;z-index:200;padding:24px}
  .modal.on{display:flex}
  .dlg{background:#fff;border-radius:12px;width:620px;max-width:100%;max-height:88vh;display:flex;flex-direction:column;box-shadow:0 24px 60px -18px rgba(16,24,40,.5)}
  .dlg .dh{padding:16px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center}
  .dlg .dh h3{margin:0;font-size:15px}
  .dlg .dh .x{margin-left:auto;cursor:pointer;color:var(--t3);font-size:20px;line-height:1}
  .dlg .db{padding:8px 20px;overflow-y:auto}
  .dlg .df{padding:14px 20px;border-top:1px solid var(--line);display:flex;gap:10px;justify-content:flex-end}

  /* 提示条 */
  .note{
    display:flex;gap:9px;align-items:flex-start;padding:11px 14px;border-radius:9px;font-size:12.5px;line-height:1.65;margin-bottom:16px;
  }
  .note.warn{background:var(--warn-bg);border:1px solid #FFE7BA;color:var(--warn)}
  .note.info{background:var(--info-bg);border:1px solid #CFE4FB;color:var(--info)}
  .note.brand{background:var(--brand-bg);border:1px solid var(--brand-bd);color:#4338CA}
  .note svg{width:15px;height:15px;flex:0 0 auto;margin-top:2px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
  .note b{font-weight:700}

  /* 原型批注 */
  .anno{
    border-left:3px solid var(--brand);background:#F8F8FF;border-radius:0 8px 8px 0;
    padding:10px 14px;font-size:12px;color:#4338CA;line-height:1.7;margin-top:14px;
  }
  .anno b{font-weight:700}

  .empty{text-align:center;padding:50px 0;color:var(--t3)}


/* ===== 真实站点补充（原型无登录屏、无浮动提示，此处补齐） ===== */
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:38px;background:rgba(17,24,39,.92);color:#fff;
  padding:10px 18px;border-radius:10px;font-size:13px;z-index:9999;opacity:0;transition:.2s;pointer-events:none}
.toast.on{opacity:1}
.aipt{width:100%;border:1px:var(--line2);border:1px solid var(--line2);border-radius:8px;padding:9px 11px;
  font-size:13px;font-family:inherit;outline:none;background:#fff;color:var(--t1)}
.aipt:focus{border-color:var(--brand)}
.loginwrap{min-height:100vh;display:grid;place-items:center;background:
  radial-gradient(1200px 460px at 50% -10%,#EEF0FF 0%,var(--bg) 62%)}
.loginbox{width:372px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px 30px 26px;
  box-shadow:0 16px 44px rgba(31,36,48,.10)}
.loginbox .lg{display:flex;align-items:center;gap:10px;margin-bottom:20px}
.loginbox .lg .m{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand2));
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:15px}
.loginbox .lg .t{font-size:15px;font-weight:700;line-height:1.25}
.loginbox .lg .t small{display:block;font-size:10.5px;color:var(--t3);font-weight:400}
.loginbox label{display:block;font-size:12px;color:var(--t2);margin:14px 0 6px;font-weight:600}
.loginbox .cap{display:flex;gap:9px}
.loginbox .cap img{flex:0 0 108px;height:38px;border:1px solid var(--line2);border-radius:8px;cursor:pointer;background:#fff}
.loginbox .btn{width:100%;margin-top:20px}
.loginbox .tip{margin-top:14px;font-size:11.5px;color:var(--t3);text-align:center;line-height:1.6}
.devbar{position:fixed;left:0;right:0;bottom:0;z-index:9998;background:#111827;color:#fff;
  font-size:12px;padding:6px 14px;display:flex;gap:10px;align-items:center}
.devbar b{opacity:.6;font-weight:600}
.devbar a{cursor:pointer;border:1px solid rgba(255,255,255,.35);border-radius:6px;padding:2px 9px}
.devbar a:hover{background:rgba(255,255,255,.14)}