*{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#0f1115;--card:#1a1d23;--ink:#e2e4e9;--muted:#8b92a8;--rule:#2a2e38;--fill:#242830;--accent:#ff5252;--blue:#8b9cf0;--green:#a5b4fc;--orange:#ffab40}
.theme-light{--bg:#f5f5f5;--card:#fff;--ink:#1a1a1a;--muted:#555;--rule:#ddd;--fill:#eef0f4;--accent:#d32f2f;--blue:#6b7280;--green:#52525b;--orange:#ef6c00}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:var(--bg);color:var(--ink);font-size:16px;line-height:1.6}
a{color:var(--blue);text-decoration:none}
.container{max-width:1300px;margin:0 auto;padding:14px 24px}
.sidebar-content{margin-left:220px;transition:margin-left .25s ease;max-width:none}
.sidebar-content.sidebar-collapsed{margin-left:60px}

/* 左侧侧边栏 */
.sidebar{position:fixed;top:0;left:0;width:220px;height:100vh;background:var(--card);border-right:1px solid var(--rule);z-index:99;overflow-y:auto;overflow-x:hidden;transition:width .25s ease;padding-top:56px}
.sidebar.collapsed{width:60px}
.sidebar::-webkit-scrollbar{width:4px}
.sidebar::-webkit-scrollbar-track{background:transparent}
.sidebar::-webkit-scrollbar-thumb{background:var(--rule);border-radius:2px}

/* 树形菜单 */
.sidebar .sidebar-menu{list-style:none;margin:0;padding:8px 0;display:block;width:100%}
.sidebar .sidebar-menu li{list-style:none;margin:0;padding:0;display:block;width:100%}
.sidebar .menu-group{list-style:none;margin:0 0 2px 0;padding:0;display:block;width:100%;clear:both}
.sidebar .menu-group-title{display:flex;align-items:center;gap:10px;padding:10px 16px;cursor:pointer;color:var(--muted);font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;transition:all .15s;user-select:none;white-space:nowrap;width:100%;box-sizing:border-box}
.sidebar .menu-group-title:hover{color:var(--ink);background:color-mix(in srgb,var(--blue) 5%,transparent)}
.sidebar .menu-group-title .menu-icon{font-size:14px;width:20px;text-align:center;flex-shrink:0}
.sidebar .menu-group-title .menu-text{flex:1;overflow:hidden;text-overflow:ellipsis}
.sidebar .menu-group-title .menu-arrow{font-size:10px;transition:transform .2s;flex-shrink:0}
.sidebar .menu-group.collapsed .menu-group-title .menu-arrow{transform:rotate(-90deg)}
.sidebar.collapsed .menu-group-title .menu-text,
.sidebar.collapsed .menu-group-title .menu-arrow{display:none}
.sidebar.collapsed .menu-group-title{justify-content:center;padding:10px 0}

.sidebar .menu-group-items{list-style:none;margin:0;padding:0;overflow:hidden;transition:max-height .25s ease;display:block;width:100%;clear:both}
.sidebar .menu-group.collapsed .menu-group-items{max-height:0!important}
.sidebar.collapsed .menu-group-items{display:none}

.sidebar .menu-item{display:flex;align-items:center;gap:10px;padding:9px 16px 9px 40px;color:var(--muted);text-decoration:none;font-size:13px;transition:all .15s;white-space:nowrap;border-left:3px solid transparent;cursor:pointer;width:100%;box-sizing:border-box;float:none;clear:both}
.sidebar .menu-item:hover{color:var(--ink);background:color-mix(in srgb,var(--blue) 8%,transparent)}
.sidebar .menu-item.active{color:var(--accent);background:color-mix(in srgb,var(--accent) 10%,transparent);border-left-color:var(--accent);font-weight:500}
.sidebar .menu-item .menu-dot{width:6px;height:6px;border-radius:50%;background:var(--rule);flex-shrink:0;transition:all .15s}
.sidebar .menu-item:hover .menu-dot{background:var(--blue)}
.sidebar .menu-item.active .menu-dot{background:var(--accent)}
.sidebar .menu-item .menu-text{overflow:hidden;text-overflow:ellipsis;flex:1;display:block}
.sidebar.collapsed .menu-item{padding:9px 0;justify-content:center}
.sidebar.collapsed .menu-item .menu-text{display:none}
.sidebar.collapsed .menu-item .menu-dot{display:none}

/* 移动端遮罩 */
.sidebar-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);z-index:98;display:none}
.sidebar-overlay.show{display:block}

/* 顶栏调整 */
.topbar{padding-left:232px;transition:padding-left .25s ease}
body.sidebar-collapsed .topbar{padding-left:72px}
.sidebar-toggle{display:none}

@media(max-width:768px){
    .sidebar{transform:translateX(-100%);width:240px;padding-top:50px;transition:transform .25s ease}
    .sidebar.open-mobile{transform:translateX(0)}
    .sidebar.collapsed{width:240px}
    .sidebar-content{margin-left:0!important}
    .topbar{padding-left:10px!important}
    .sidebar-toggle{display:block!important}
    .topbar .logo{font-size:14px;padding:2px 6px}
    .topbar .right .user{font-size:11px}
    .topbar .marquee-bar{display:none}
}

/* 顶部 */
.topbar{background:var(--card);border-bottom:1px solid var(--rule);padding:10px 16px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;position:sticky;top:0;z-index:100}
.topbar .logo{font-size:18px;font-weight:800;background:linear-gradient(135deg, var(--accent), var(--blue));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:1px;padding:3px 10px;border:2px solid color-mix(in srgb, var(--accent) 40%, transparent);border-radius:8px}
.topbar .time{font-size:13px;color:var(--muted)}
.topbar .right{display:flex;gap:10px;align-items:center}
.topbar .right .user{font-size:13px;color:var(--muted)}
.topbar .right .user a{color:var(--accent);margin-left:6px}

/* 滚动公告条 */
.marquee-bar{background:linear-gradient(90deg,#ff4d4f,#ff7875);color:#fff;font-size:13px;font-weight:600;padding:5px 10px;overflow:hidden;white-space:nowrap;border-radius:4px;line-height:1.4;flex:1;max-width:680px}
.marquee-bar span{display:inline-block;white-space:nowrap;animation:marqueeScroll 40s linear infinite;will-change:transform}
@keyframes marqueeScroll{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}

/* 统计卡片 */
.stats{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0;align-items:stretch}
.stat-card{flex:1 1 110px;min-width:110px;max-width:160px;background:var(--card);border-radius:8px;padding:10px 8px;text-align:center;box-shadow:0 1px 3px rgba(0,0,0,.06);transition:all .15s;border:2px solid transparent;position:relative;display:flex;flex-direction:column;justify-content:center;align-items:center;min-height:110px;cursor:pointer}
.stat-card:hover{transform:translateY(-2px);border-color:var(--accent);box-shadow:0 3px 8px rgba(0,0,0,.1)}
.stat-card.active{border-color:var(--accent);background:color-mix(in srgb, var(--orange) 15%, transparent)}
.stat-card .icon{font-size:18px}
.stat-card .label{font-size:12px;color:var(--muted);margin-top:2px}
.stat-card .num{font-size:22px;font-weight:700;margin-top:2px;color:var(--ink)}
.stat-card.hl .num{color:var(--ink)}
.stat-card .label-hl{color:var(--ink);font-weight:600}
.stat-card-sub{font-size:10px;color:var(--muted);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}

/* 面包屑 */
.breadcrumb{display:flex;align-items:center;gap:6px;font-size:14px;color:var(--muted);margin-bottom:14px;flex-wrap:wrap}
.breadcrumb a{color:var(--blue);font-size:14px}
.breadcrumb a:hover{text-decoration:underline}
.breadcrumb .sep{color:#bbb}
.breadcrumb .current{color:var(--ink);font-weight:600}

/* 工具栏 */
.toolbar{display:flex;gap:10px;margin-bottom:12px;flex-wrap:wrap;align-items:center}
.toolbar input{flex:1;min-width:180px;padding:8px 12px;border:1px solid var(--rule);border-radius:6px;font-size:14px;background:var(--card);color:var(--ink)}
.toolbar input:focus{outline:none;border-color:var(--accent)}
.toolbar .btn{padding:8px 16px;border:none;border-radius:6px;font-size:13px;cursor:pointer;white-space:nowrap}
.btn-blue{background:var(--blue);color:#fff}
.btn-red{background:var(--accent);color:#fff}
.btn-green{background:var(--green);color:#fff}
.btn-orange{background:var(--orange);color:#fff}

/* 表格 */
.table-wrap{background:var(--card);border-radius:8px;overflow-x:auto;box-shadow:0 1px 4px rgba(0,0,0,.06)}
table{width:100%;border-collapse:collapse;font-size:14px}
th{background:var(--bg);color:var(--muted);font-weight:600;text-align:center;padding:10px 4px;border-bottom:2px solid var(--rule);font-size:12px;white-space:nowrap}
td{padding:9px 4px;border-bottom:1px solid var(--rule);vertical-align:middle;cursor:pointer;text-align:center;font-size:13px}
tr:hover td{background:color-mix(in srgb, var(--bg) 50%, transparent)}
tr.hl td{background:color-mix(in srgb, var(--orange) 20%, transparent)!important;color:var(--orange);font-weight:500}
.mono{font-family:'SF Mono',Monaco,Consolas,monospace;font-size:12px;background:var(--rule);padding:2px 5px;border-radius:3px}
.time-sm{font-size:11px;color:var(--muted);white-space:nowrap}
.count-badge{display:inline-block;font-family:'SF Mono',Monaco,Consolas,monospace;font-size:15px;font-weight:700;padding:4px 10px;border-radius:6px;text-decoration:none;min-width:32px;text-align:center;transition:transform .1s}
.count-badge:hover{transform:scale(1.15);text-decoration:none}
.count-badge.has-data{background:color-mix(in srgb, var(--orange) 15%, transparent);color:var(--orange)}
.count-badge.no-data{background:var(--rule);color:var(--muted)}

/* 筛选栏 */
.filter-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:8px 0;margin-bottom:2px}
.filter-label{font-size:13px;color:var(--muted);font-weight:500}
.filter-check{display:inline-flex;align-items:center;gap:4px;padding:5px 12px;border:1px solid var(--rule);border-radius:5px;font-size:12px;cursor:pointer;user-select:none;transition:all .15s;white-space:nowrap}
.filter-check:hover{border-color:var(--blue);color:var(--blue)}
.filter-check.active{background:var(--blue);color:#fff;border-color:var(--blue)}
.filter-check input{display:none}
.filter-result{font-size:12px;color:var(--muted);margin-left:4px}
.filter-all{display:inline-flex;align-items:center;padding:5px 12px;border:1px solid var(--rule);border-radius:5px;font-size:12px;text-decoration:none;color:var(--muted);transition:all .15s;white-space:nowrap}
.filter-all:hover{border-color:var(--blue);color:var(--blue)}

/* 分页 */
.pagination{display:flex;justify-content:flex-start;align-items:center;gap:6px;padding:12px 0 12px 4px;flex-wrap:wrap}
.pagination a{display:inline-block;padding:5px 12px;border:1px solid var(--rule);border-radius:4px;font-size:12px;text-decoration:none;color:var(--blue);transition:all .15s}
.pagination a:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
.pagination a.active{background:var(--blue);color:#fff;border-color:var(--blue);font-weight:600}
.pagination .page-info{font-size:11px;color:var(--muted);margin-left:8px}

/* 页面统计条 */
.page-stats{display:flex;gap:10px;margin:0 0 16px;flex-wrap:wrap}
.page-stat{flex:1;min-width:80px;background:var(--card);border-radius:12px;padding:14px 10px;text-align:center;box-shadow:0 2px 8px rgba(0,0,0,.04);border:1px solid var(--rule);transition:all .2s;position:relative;overflow:hidden}
.page-stat::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(135deg, var(--blue), var(--accent));transform:scaleX(0);transition:transform .3s}
.page-stat:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,.08);border-color:var(--blue)}
.page-stat:hover::before{transform:scaleX(1)}
.page-stat .ps-label{font-size:11px;color:var(--muted);font-weight:600;letter-spacing:.8px;margin-bottom:6px}
.page-stat .ps-num{font-size:24px;font-weight:700;color:var(--ink);line-height:1.1}
.page-stat.hl{background:linear-gradient(135deg, color-mix(in srgb, var(--accent) 6%, transparent), var(--card));border-color:color-mix(in srgb, var(--accent) 30%, transparent);box-shadow:0 2px 12px color-mix(in srgb, var(--accent) 15%, transparent)}
.page-stat.hl .ps-num{color:var(--accent);font-size:28px}
.page-stat.hl .ps-label{color:var(--accent)}
@media(max-width:768px){
    .page-stat{padding:10px 6px;min-width:60px}
    .page-stat .ps-num{font-size:18px}
    .page-stat.hl .ps-num{font-size:20px}
    .page-stat .ps-label{font-size:10px;letter-spacing:.3px}
}

/* 仪表盘 */
.dashboard{margin:0 0 20px}
.dash-hero{display:flex;align-items:center;justify-content:flex-start;background:var(--card);border-radius:16px;padding:14px 24px;color:var(--ink);box-shadow:0 2px 12px rgba(0,0,0,.05);border:1px solid var(--rule);flex-wrap:nowrap;gap:12px;margin-bottom:24px;cursor:pointer}
.dash-hero-left{display:flex;align-items:center;gap:24px;flex-shrink:0}
.dash-hero-icon{font-size:28px;line-height:1}
.dash-hero-info{display:flex;flex-direction:column;flex-shrink:0}
.dash-hero-title{font-size:18px;font-weight:700;letter-spacing:.3px;white-space:nowrap}
.dash-hero-sub{font-size:11px;color:var(--muted);margin-top:2px;font-variant-numeric:tabular-nums}
.dash-hero-stats-row{display:flex;gap:8px;flex:none;justify-content:flex-start;flex-wrap:nowrap}
.dash-hero-stat-chip{text-align:center;padding:18px 60px;background:var(--card);border-radius:14px;border:1px solid var(--rule);flex-shrink:0;display:inline-block;position:relative;overflow:hidden;box-shadow:0 2px 12px rgba(0,0,0,.05);cursor:pointer}
.dash-hero-stat-chip::before{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);width:32px;height:3px;background:linear-gradient(90deg, var(--accent), var(--blue));border-radius:0 0 4px 4px}
.dash-hero-stat-chip-num{display:block;font-size:23px;font-weight:800;line-height:1.1;color:var(--ink);letter-spacing:-.5px}
.dash-hero-stat-chip-label{display:block;font-size:11px;color:var(--muted);font-weight:500;margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@media(max-width:768px){
    .dash-hero{flex-wrap:wrap;padding:12px 14px}
    .dash-hero-stats-row{flex-wrap:wrap;justify-content:flex-start}
    .dash-hero-stat-chip-num{font-size:18px}
    .dash-hero-stat-chip{padding:12px 30px}
}
.dash-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin:12px 0}
.dash-section-title{font-size:16px;font-weight:800;color:var(--ink);margin:20px 0 0;display:flex;align-items:center;gap:8px}
.dash-section-title::after{content:'';flex:1;height:1px;background:var(--rule)}
.dash-section-sub{font-size:10px;font-weight:400;opacity:.6;margin-left:4px}
.dash-card{background:var(--card);border-radius:14px;padding:18px 16px;display:flex;align-items:center;gap:14px;box-shadow:0 2px 12px rgba(0,0,0,.05);border:1px solid var(--rule);transition:all .25s cubic-bezier(.4,0,.2,1);text-decoration:none;color:inherit;position:relative;overflow:hidden}
.dash-card::before{content:'';position:absolute;top:0;left:0;width:4px;height:100%;background:linear-gradient(180deg, var(--green), color-mix(in srgb, var(--green) 60%, var(--blue)));border-radius:0 3px 3px 0;transition:all .25s}
.dash-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,.1);border-color:var(--blue)}
.dash-card:hover::before{width:5px}
.dash-card.clickable{cursor:pointer}
.dash-card-icon{width:44px;height:44px;border-radius:12px;background:color-mix(in srgb, var(--green) 12%, var(--card));display:flex;align-items:center;justify-content:center;font-size:22px;line-height:1;flex-shrink:0}
.dash-card-info{flex:1;min-width:0}
.dash-card-num{font-size:25px;font-weight:800;color:var(--ink);line-height:1.1;letter-spacing:-.5px}
.dash-card-label{font-size:11px;color:var(--muted);font-weight:500;margin-top:2px;white-space:nowrap}

/* 分布条 */
.dash-dist-cards .dash-dist-card{background:var(--card);border-radius:14px;padding:18px 12px;text-align:center;box-shadow:0 2px 12px rgba(0,0,0,.05);border:1px solid var(--rule);transition:all .25s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}
.dash-dist-cards .dash-dist-card::before{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);width:32px;height:3px;background:linear-gradient(90deg, var(--accent), var(--blue));border-radius:0 0 4px 4px;transition:all .25s}
.dash-dist-cards .dash-dist-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,.1);border-color:var(--blue)}
.dash-dist-cards .dash-dist-card:hover::before{width:48px}
.dash-dist-card-num{font-size:23px;font-weight:800;color:var(--ink);line-height:1.1;letter-spacing:-.5px}
.dash-dist-card-label{font-size:11px;color:var(--muted);font-weight:500;margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dash-dist-empty{font-size:12px;color:var(--muted);padding:8px 0}
@media(max-width:768px){
    .container{padding:8px}
    /* 顶栏 */
    .topbar{padding:8px 10px;gap:6px;flex-direction:column;align-items:stretch}
    .topbar .right{flex-wrap:wrap;gap:6px;justify-content:flex-start}
    .topbar .right .user{font-size:11px;order:99;width:100%;text-align:right}
    .topbar .logo{font-size:15px;padding:2px 8px}
    .topbar .time{display:none}
    .topbar .right a,.topbar .right button,.topbar .right select{font-size:11px!important;padding:4px 8px!important}
    /* 统计卡片 */
    .stats{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin:8px 0}
    .stat-card{min-width:0;max-width:none;padding:8px 4px;border-radius:6px}
    .stat-card .num{font-size:16px}
    .stat-card .icon{font-size:14px}
    .stat-card .label{font-size:10px}
    /* 仪表盘 */
    .dash-hero{flex-direction:column;padding:12px 14px;border-radius:12px;gap:8px}
    .dash-hero-left{flex-wrap:wrap;gap:6px;width:100%}
    .dash-hero-stats-row{flex-wrap:wrap;justify-content:flex-start;width:100%;gap:6px}
    .dash-hero-stat-chip{padding:6px 14px;flex:1 1 auto;min-width:60px}
    .dash-hero-stat-chip-num{font-size:18px}
    .dash-hero-stat-chip-label{font-size:10px}
    .dash-hero-title{font-size:15px}
    .dash-hero-icon{font-size:24px}
    .dash-row{grid-template-columns:repeat(2,1fr);gap:8px}
    .dash-card{padding:12px 10px;border-radius:10px;gap:10px}
    .dash-card-icon{width:36px;height:36px;font-size:18px;border-radius:10px}
    .dash-card-num{font-size:20px}
    .dash-card-label{font-size:10px}
    .dash-dist-card-num{font-size:18px}
    .dash-dist-card-label{font-size:10px}
    .dash-dist-card{padding:12px 6px}
    .dash-section-title{font-size:14px;margin:14px 0 0}
    /* 页面统计条 */
    .page-stats{gap:6px;margin:0 0 10px}
    .page-stat{padding:10px 6px;min-width:50px;border-radius:8px}
    .page-stat .ps-num{font-size:16px}
    .page-stat.hl .ps-num{font-size:18px}
    .page-stat .ps-label{font-size:10px;letter-spacing:.3px}
    /* 表格 */
    .table-wrap{border-radius:6px;overflow-x:auto;-webkit-overflow-scrolling:touch}
    th,td{padding:6px 5px;font-size:11px}
    th{font-size:10px}
    .detail-label{width:70px}
    .count-badge{font-size:12px;padding:3px 7px;min-width:24px}
    .mono{font-size:10px}
    .time-sm{font-size:10px}
    /* 设备列表 */
    .device-header{padding:12px 14px;flex-direction:column;align-items:flex-start;gap:10px}
    .device-header .device-id{font-size:14px;word-break:break-all}
    .device-header .device-stats{gap:12px}
    .device-header .device-stat .num{font-size:18px}
    .device-header .device-stat .lbl{font-size:10px}
    /* 管理员 */
    .admin-section{padding:14px 12px;border-radius:10px}
    .admin-section h3{font-size:14px;margin-bottom:10px;padding-bottom:8px}
    .agent-form-grid{grid-template-columns:1fr 1fr;gap:10px}
    .agent-form-grid .agent-field input{height:38px;font-size:13px;padding:0 10px}
    .agent-form-grid .agent-btn{grid-column:span 1}
    .agent-form-grid .agent-btn button{width:100%;height:38px;font-size:13px}
    .agent-form-grid .agent-field label{font-size:12px}
    .agent-table{font-size:12px}
    .agent-table th{font-size:10px;padding:8px 4px}
    .agent-table td{font-size:11px;padding:8px 4px}
    .agent-btn-sm{height:26px;padding:0 10px;font-size:10px}
    .agent-btn-row{gap:4px}
    /* 筛选栏 */
    .filter-bar{gap:6px}
    .filter-check{padding:4px 8px;font-size:11px}
    .filter-label{font-size:11px}
    .filter-all{font-size:11px;padding:4px 8px}
    /* 工具栏 */
    .toolbar{gap:6px}
    .toolbar input{min-width:120px;font-size:13px;padding:6px 10px}
    .toolbar .btn{padding:6px 10px;font-size:12px}
    /* 面包屑 */
    .breadcrumb{font-size:12px;gap:4px;margin-bottom:10px}
    .breadcrumb a{font-size:12px}
    /* 分页 */
    .pagination{gap:4px;padding:8px 0 8px 4px}
    .pagination a{padding:4px 8px;font-size:11px}
    .pagination .page-info{font-size:10px}
    .pager{font-size:12px;padding:8px 8px 8px 4px;gap:6px}
    .pager a,.pager span{padding:4px 8px;font-size:11px}
    /* 树状视图 */
    .tree-card-header{padding:10px 12px;gap:8px}
    .tree-card-header .tree-icon{font-size:20px}
    .tree-card-header .tree-name{font-size:13px}
    .tree-card-header .tree-count{font-size:16px;min-width:40px}
    .tree-card-body{padding:0 10px 10px}
    /* 清除弹窗 */
    .clear-modal .modal{width:95vw}
    .table-radio-group{grid-template-columns:1fr}
    .radio-group{gap:4px}
    .radio-item{font-size:12px}
    /* 弹窗通用 */
    .modal{max-width:98vw;border-radius:10px}
    .modal-header{padding:10px 14px}
    .modal-header h3{font-size:14px}
    .modal-body{padding:10px 14px}
    .detail-row{flex-direction:column;padding:6px 0}
    .detail-label{width:100%;margin-bottom:2px;font-size:12px}
    .detail-value{font-size:12px;padding:5px 8px}
    /* 图片页 */
    .admin-section div[style*="grid-template-columns:repeat(4,1fr)"]{grid-template-columns:repeat(2,1fr)!important;gap:8px}
    .admin-section div[style*="grid-template-columns:repeat(4,1fr)"] img{height:120px!important}
    /* 密码弹窗 */
    .pwd-modal-box{max-width:95vw}
    .pwd-modal-box .modal-header{padding:16px 18px}
    .pwd-modal-box .modal-body{padding:18px}
    .pwd-btn-row{flex-direction:column}
    .pwd-btn-row .btn-ghost,.pwd-btn-row .btn-blue{width:100%}
    /* 登录 */
    .login-box{padding:28px 20px;width:100%}
    .login-box h1{font-size:20px;padding:10px 0}
    .login-box h1::after{left:8px;font-size:14px}
    /* toast */
    .toast{padding:12px 20px;font-size:13px;max-width:85vw}
    /* 隐藏时钟在手机上 */
    .topbar .time{display:none}
}
@media(max-width:400px){
    .stats{grid-template-columns:repeat(2,1fr)}
    .dash-row{grid-template-columns:1fr 1fr}
    .agent-form-grid{grid-template-columns:1fr}
    .agent-form-grid .agent-btn{grid-column:span 1}
    .admin-section div[style*="grid-template-columns:repeat(4,1fr)"]{grid-template-columns:repeat(2,1fr)!important}
}

/* 数据列表列宽 */
.data-table th:nth-child(1),.data-table td:nth-child(1){width:50px;white-space:nowrap}
.data-table th:nth-child(2),.data-table td:nth-child(2){width:140px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.data-table th:nth-child(3),.data-table td:nth-child(3){width:auto}
.data-table th:nth-child(4),.data-table td:nth-child(4){width:52px;white-space:nowrap}
.data-table th:nth-child(5),.data-table td:nth-child(5){width:130px;white-space:nowrap}
.data-table th:nth-child(6),.data-table td:nth-child(6){width:100px;white-space:nowrap}

/* 分页 */
.pager{display:flex;justify-content:flex-start;align-items:center;padding:12px 12px 12px 4px;font-size:13px;color:var(--muted);flex-wrap:wrap;gap:8px}
.pager a,.pager span{padding:6px 12px;border:1px solid var(--rule);border-radius:4px;margin:0 2px;font-size:13px}
.pager a:hover{background:var(--bg)}
.pager .current{background:var(--ink);color:#fff;border-color:var(--ink)}

/* 树状视图 */
.tree-container{display:grid;gap:12px}
.tree-card{background:var(--card);border-radius:8px;box-shadow:0 1px 4px rgba(0,0,0,.06);overflow:hidden;transition:all .15s}
.tree-card:hover{box-shadow:0 3px 10px rgba(0,0,0,.1)}
.tree-card-header{display:flex;align-items:center;padding:14px 18px;cursor:pointer;gap:14px;user-select:none;transition:background .1s}
.tree-card-header:hover{background:color-mix(in srgb, var(--bg) 50%, transparent)}
.tree-card-header .tree-icon{font-size:24px;flex-shrink:0}
.tree-card-header .tree-info{flex:1}
.tree-card-header .tree-name{font-size:15px;font-weight:600}
.tree-card-header .tree-tip{font-size:12px;color:var(--muted);margin-top:2px}
.tree-card-header .tree-count{font-size:20px;font-weight:700;min-width:50px;text-align:right}
.tree-card-header .tree-count.hl{color:var(--accent)}
.tree-card-header .tree-arrow{font-size:12px;color:var(--muted);transition:transform .2s;flex-shrink:0}
.tree-card.expanded .tree-card-header .tree-arrow{transform:rotate(90deg)}
.tree-card-body{display:none;padding:0 18px 14px}
.tree-card.expanded .tree-card-body{display:block}
.tree-card-body .mini-table{margin-top:4px}
.tree-card-body .mini-table table{font-size:13px}
.tree-card-body .mini-table th{font-size:11px;padding:8px 6px}
.tree-card-body .mini-table td{padding:8px 6px;font-size:13px}
.tree-card-body .view-all-btn{display:block;text-align:center;padding:10px;margin-top:8px;background:var(--bg);border-radius:6px;color:var(--blue);font-size:13px;cursor:pointer;transition:background .1s}
.tree-card-body .view-all-btn:hover{background:#e8eaf6}
.tree-card-body .no-data{text-align:center;padding:20px;color:var(--muted);font-size:13px}

/* 设备概览头部 */
.device-header{background:var(--card);border-radius:8px;padding:20px 24px;box-shadow:0 1px 4px rgba(0,0,0,.06);margin-bottom:14px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.device-header .device-icon{font-size:36px}
.device-header .device-info{flex:1}
.device-header .device-id{font-size:18px;font-weight:700;font-family:'SF Mono',Monaco,Consolas,monospace}
.device-header .device-meta{font-size:13px;color:var(--muted);margin-top:4px}
.device-header .device-stats{display:flex;gap:16px;flex-wrap:wrap}
.device-header .device-stat{text-align:center;cursor:pointer}
.device-header .device-stat .num{font-size:22px;font-weight:700;color:var(--accent)}
.device-header .device-stat .lbl{font-size:11px;color:var(--muted)}

/* 弹窗 */
.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);z-index:200;display:none;justify-content:center;align-items:center}
.modal-overlay.show{display:flex}
.modal{background:var(--card);border-radius:10px;width:720px;max-width:95vw;max-height:90vh;display:flex;flex-direction:column;box-shadow:0 8px 32px rgba(0,0,0,.2)}
.modal-header{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid var(--rule)}
.modal-header h3{font-size:16px}
.modal-header .close{font-size:22px;color:var(--muted);cursor:pointer;line-height:1;padding:0 4px}

/* 超时提示 */
.toast-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.6);z-index:999;display:none;justify-content:center;align-items:center}
.toast-overlay.show{display:flex}
.toast-box{background:var(--card);padding:32px;border-radius:12px;text-align:center;max-width:380px;width:90vw;box-shadow:0 8px 32px rgba(0,0,0,.3)}
.toast-box .toast-icon{font-size:40px;margin-bottom:12px}
.toast-box h3{font-size:18px;margin-bottom:8px;color:var(--ink)}
.toast-box p{font-size:14px;color:var(--muted);margin-bottom:20px}
.toast-box .btn{padding:10px 28px;background:var(--accent);color:#fff;border:none;border-radius:6px;font-size:15px;cursor:pointer}
.modal-header .close:hover{color:var(--accent)}
.modal-body{padding:14px 18px;overflow-y:auto;flex:1}
.detail-row{display:flex;border-bottom:1px solid var(--rule);padding:9px 0}
.detail-row:last-child{border-bottom:none}
.detail-label{width:130px;flex-shrink:0;color:var(--muted);font-size:13px;font-weight:600}
.detail-value{flex:1;font-size:14px;word-break:break-all;font-family:'SF Mono',Monaco,Consolas,monospace;background:var(--bg);padding:7px 10px;border-radius:4px;white-space:pre-wrap;color:var(--ink)}

/* 清除弹窗 */
.clear-modal .modal{width:560px;max-height:none}
.clear-modal .modal-body{padding:16px}
.clear-modal .field{margin-bottom:12px}
.clear-modal .field label{display:block;font-size:13px;color:var(--muted);margin-bottom:4px}
.clear-modal .field input,.clear-modal .field select{width:100%;padding:9px 11px;border:1px solid var(--rule);border-radius:6px;font-size:14px;background:var(--bg);color:var(--ink)}
.clear-modal .btn-row{display:flex;gap:10px;justify-content:flex-end;margin-top:16px}
.radio-group{display:flex;flex-direction:column;gap:6px}
.radio-item{display:flex;align-items:center;gap:6px;font-size:14px;cursor:pointer;padding:4px 0}
.radio-item input[type="radio"]{width:auto;accent-color:var(--blue)}
.table-radio-group{display:grid;grid-template-columns:1fr 1fr;gap:4px 12px}

/* 管理员 */
.admin-section{background:var(--card);border-radius:12px;padding:22px 24px;box-shadow:0 1px 6px rgba(0,0,0,.04);margin-bottom:20px;border:1px solid var(--rule)}
.admin-section h3{font-size:15px;margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid var(--rule);font-weight:700}
.form-row{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap;align-items:center}
.agent-form-grid{display:grid;grid-template-columns:0.38fr 0.48fr 0.32fr 0.26fr auto auto;gap:8px;align-items:end}
.agent-form-grid .agent-field{display:flex;flex-direction:column;gap:6px}
.agent-form-grid .agent-field label{font-size:13px;color:var(--muted);font-weight:600;letter-spacing:.01em;display:flex;align-items:center;gap:6px}
.agent-form-grid .agent-field label em{font-weight:400;font-size:11px;color:var(--muted);opacity:.7}
.agent-form-grid .agent-field input{height:42px;padding:0 14px;border:2px solid var(--rule);border-radius:10px;font-size:14px;width:100%;box-sizing:border-box;background:var(--bg);color:var(--ink);transition:border-color .2s,box-shadow .2s}
.agent-form-grid .agent-field input:focus{border-color:var(--blue);outline:none;box-shadow:0 0 0 3px rgba(59,130,246,.12)}
.agent-form-grid .agent-field input::placeholder{color:#b0b8c1}
.agent-form-grid .agent-btn{display:flex;align-items:flex-end}
.agent-form-grid .agent-btn button{height:42px;padding:0 28px;white-space:nowrap;background:linear-gradient(135deg,var(--blue),#4f46e5);color:#fff;border:none;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;box-shadow:0 2px 8px rgba(59,130,246,.25)}
.agent-form-grid .agent-btn button:hover{transform:translateY(-1px);box-shadow:0 4px 16px rgba(59,130,246,.35)}
.agent-form-grid .agent-btn button:active{transform:translateY(0);box-shadow:0 1px 4px rgba(59,130,246,.2)}
.agent-char-hint{font-size:11px;position:absolute;bottom:-18px;left:0;transition:color .2s;white-space:nowrap}
.agent-field-has-hint{position:relative}
.pwd-form-row{display:grid;grid-template-columns:1fr 1fr auto;gap:10px;align-items:end}
.agent-table{width:100%;border-collapse:collapse;font-size:14px}
.agent-table th{padding:10px 8px;text-align:center;font-size:13px;color:var(--muted);font-weight:500;border-bottom:2px solid var(--rule);white-space:nowrap}
.agent-table td{padding:10px 8px;border-bottom:1px solid var(--rule);vertical-align:middle;text-align:center}
.agent-table tr:hover td{background:color-mix(in srgb, var(--bg) 50%, transparent)}
.agent-btn-row{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap}
.agent-btn-sm{display:inline-flex;align-items:center;justify-content:center;height:28px;padding:0 12px;border-radius:6px;font-size:12px;font-weight:500;text-decoration:none;cursor:pointer;transition:all .2s;border:1px solid transparent;box-sizing:border-box;white-space:nowrap}
.agent-btn-sm:hover{transform:translateY(-1px)}
.agent-btn-freeze{background:#fef9f0;color:#d4891a;border-color:#f0d6a0}
.agent-btn-freeze:hover{background:#fdf2e0;color:#b87316;box-shadow:0 2px 6px rgba(212,137,26,.12)}
.agent-btn-unfreeze{background:#f0f9f0;color:#2d8a4e;border-color:#b8dcc0}
.agent-btn-unfreeze:hover{background:#e4f4e7;color:#236b3d;box-shadow:0 2px 6px rgba(45,138,78,.12)}
.agent-btn-del{background:#fef5f5;color:#c0392b;border-color:#f0c0c0}
.agent-btn-del:hover{background:#fdeaea;color:#a93226;box-shadow:0 2px 6px rgba(192,57,43,.12)}
.agent-btn-dl{background:#f0f4ff;color:#3b6ec4;border-color:#b8cce8}
.agent-btn-dl:hover{background:#e4ecf8;color:#2d5aa3;box-shadow:0 2px 6px rgba(59,110,196,.12)}
.agent-btn-copy{background:#f5f0fa;color:#7c3aed;border-color:#d4c4f0}
.agent-btn-copy:hover{background:#ede4f8;color:#6d28d9;box-shadow:0 2px 6px rgba(124,58,237,.12)}
/* 密码弹窗 */
.pwd-modal-box{max-width:420px;border-radius:14px;overflow:hidden}
.pwd-modal-box .modal-header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:20px 24px}
.pwd-modal-box .modal-header h3{font-size:18px;font-weight:600}
.pwd-modal-box .close{color:#fff;opacity:.8}
.pwd-modal-box .modal-body{padding:24px}
.pwd-icon-row{display:flex;align-items:center;gap:14px;margin-bottom:20px;padding:14px;background:color-mix(in srgb, var(--blue) 8%, transparent);border-radius:10px}
.pwd-avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0}
.pwd-user-label{font-size:12px;color:var(--muted);margin-bottom:2px}
.pwd-user-name{font-size:16px;font-weight:600;color:var(--ink)}
.pwd-field{margin-bottom:20px}
.pwd-field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;font-weight:500}
.pwd-input-wrap{position:relative}
.pwd-input-wrap input{width:100%;padding:12px 44px 12px 14px;border:2px solid var(--rule);border-radius:10px;font-size:15px;transition:border-color .2s;box-sizing:border-box;background:var(--bg);color:var(--ink)}
.pwd-input-wrap input:focus{border-color:#667eea;outline:none;box-shadow:0 0 0 3px rgba(102,126,234,.15)}
.pwd-toggle{position:absolute;right:12px;top:50%;transform:translateY(-50%);cursor:pointer;font-size:18px;user-select:none;opacity:.6;transition:opacity .2s}
.pwd-toggle:hover{opacity:1}
.pwd-btn-row{display:flex;gap:10px;justify-content:flex-end;margin-top:8px}
.btn-ghost{padding:10px 20px;background:transparent;border:1px solid var(--rule);border-radius:8px;font-size:14px;color:var(--muted);cursor:pointer;transition:all .2s}
.btn-ghost:hover{background:var(--bg);border-color:var(--muted)}
.btn-lg{padding:10px 24px;font-size:15px;border-radius:8px;font-weight:500}
/* Toast 通知 - 居中 */
.toast-container{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:99999;display:flex;flex-direction:column;gap:8px;align-items:center}
.toast{padding:14px 28px;border-radius:12px;font-size:15px;color:#fff;box-shadow:0 8px 32px rgba(0,0,0,.25);animation:toastIn .3s ease;max-width:420px;text-align:center;font-weight:500}
.toast-err{background:#e74c3c}
.toast-ok{background:#27ae60}
.toast-info{background:#3498db}
.search-hl{background:color-mix(in srgb,var(--orange) 25%,#ffeb3b);color:var(--ink);padding:1px 2px;border-radius:2px}
@keyframes toastIn{from{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}
.admin-list{list-style:none}
.admin-list li{display:flex;justify-content:space-between;align-items:center;padding:9px 0;border-bottom:1px solid var(--rule);font-size:14px}
.admin-list li:last-child{border-bottom:none}
.msg{color:var(--green);font-size:14px;margin-bottom:10px}

/* 登录 */
.login-wrap{display:flex;justify-content:center;align-items:center;min-height:100vh;background:var(--bg)}
.login-box{background:var(--card);padding:40px 32px;border-radius:12px;box-shadow:0 2px 12px rgba(0,0,0,.08);width:360px;max-width:90vw}
.login-box h1{text-align:center;font-size:24px;margin-bottom:24px;background:linear-gradient(135deg, var(--accent), var(--blue));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;padding:14px 0;border:2px solid var(--accent);border-radius:12px;position:relative;letter-spacing:2px;font-weight:800}
.login-box h1::before{content:'';position:absolute;inset:-4px;border-radius:16px;border:1px solid color-mix(in srgb, var(--accent) 30%, transparent);pointer-events:none}
.login-box h1::after{content:'🔒';position:absolute;left:14px;top:50%;transform:translateY(-50%);font-size:16px;-webkit-text-fill-color:initial}
.login-box .field{margin-bottom:16px}
.login-box label{display:block;font-size:13px;color:var(--muted);margin-bottom:4px}
.login-box input{width:100%;padding:10px 12px;border:1px solid var(--rule);border-radius:6px;font-size:15px;background:var(--bg);color:var(--ink)}
.login-box input:focus{outline:none;border-color:var(--accent)}
.login-box .btn{width:100%;padding:12px;background:var(--accent);color:#fff;border:none;border-radius:6px;font-size:15px;cursor:pointer;margin-top:8px}

.login-error{color:var(--accent);text-align:center;font-size:13px;margin-bottom:12px}

@media(max-width:768px){
    .stats{grid-template-columns:repeat(auto-fill,minmax(90px,1fr))}
    .stat-card{padding:8px 4px}
    .stat-card .num{font-size:18px}
    th,td{padding:7px 5px;font-size:13px}
    .detail-label{width:90px}
    .device-header{padding:14px 16px}
    .device-header .device-id{font-size:15px}
    .device-header .device-stat .num{font-size:18px}
}