/* 颜色只辅助状态判读，始终保留文字；小屏使用顶部导航。 */
:root{font-family:"Segoe UI","Microsoft YaHei",sans-serif;color:#213547;background:#f3f6fa;font-size:14px;--blue:#235dcb;--line:#e4eaf2;--muted:#66768b}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button{cursor:pointer;border:1px solid transparent;background:var(--blue);color:white;padding:10px 17px;border-radius:7px;font-weight:600;white-space:nowrap}button:hover:not(:disabled){filter:brightness(.95)}button:disabled{opacity:.45;cursor:not-allowed}button:focus-visible,input:focus,select:focus,textarea:focus{outline:2px solid #6498ed;outline-offset:2px}.secondary{color:var(--blue);background:#fff;border-color:#ced9ea}.quiet{color:var(--muted);background:transparent;border-color:var(--line)}[hidden]{display:none!important}.sidebar{width:214px;position:fixed;inset:0 auto 0 0;background:#142b45;color:#e6eef9;padding:34px 20px;display:flex;flex-direction:column}.brand{color:white;text-decoration:none;font-size:28px;font-weight:750;letter-spacing:3px;padding:0 13px}.brand span{display:block;font-size:12px;letter-spacing:2px;font-weight:400;margin-top:9px;color:#a7bbd4}.workspace-label{color:#829cb9;font-size:11px;margin:48px 14px 14px;letter-spacing:2px}nav{display:grid;gap:8px}nav button{background:transparent;text-align:left;padding:14px 17px;color:#b8c9df;font-weight:500}nav button.active{color:white;background:#274869;box-shadow:inset 3px 0 #70acff}.sidebar-foot{margin-top:auto;padding:20px 12px 0;font-size:12px;line-height:2;color:#a2b6ce}main{margin-left:214px;padding:0 36px;max-width:1800px}header{height:78px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px}.breadcrumb{font-size:12px;color:var(--muted)}.breadcrumb span{color:#273d55}.header-actions{display:flex;align-items:center;gap:18px;font-size:12px;color:var(--muted)}.page-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin:32px 0 24px}h1{font-size:28px;letter-spacing:-.5px;margin:7px 0 10px}h2{font-size:18px;margin:0}h3{font-size:14px;margin:24px 0 13px}.eyebrow{font-size:11px;color:#7790aa;font-weight:650;letter-spacing:2px}.muted{color:var(--muted);line-height:1.7}.page-heading p{margin:0}.refresh-box{display:flex;align-items:center;gap:14px}small{color:var(--muted);font-size:11px}.summary{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:24px}.summary>div{border:1px solid var(--line);background:#fff;padding:20px 24px;border-radius:10px}.summary span{color:var(--muted);font-size:12px}.summary strong{display:block;font-size:30px;font-weight:600;margin-top:10px}.summary>div:nth-child(2) strong{color:#188671}.summary>div:nth-child(3) strong{color:#b27627}.panel{border:1px solid var(--line);background:#fff;border-radius:10px;padding:24px;margin-bottom:22px;min-width:0}.section-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}.section-title h2{margin-top:4px}.filters{display:flex;gap:14px;margin-bottom:20px;align-items:end}.filters .search{flex:1}.filters select{min-width:140px}label{display:grid;gap:8px;font-size:12px;color:#50647b}input,select,textarea{border:1px solid #d6deea;border-radius:6px;background:#fff;padding:10px 12px;color:#213547;width:100%;min-width:0}textarea{resize:vertical;line-height:1.6}form{display:grid;gap:18px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.check{display:flex;align-items:center;line-height:1.6}.check input{width:16px;height:16px}.table-scroll{overflow:auto}table{border-collapse:collapse;width:100%;font-size:12px;text-align:left}th{color:#718095;background:#f6f8fb;font-weight:500;padding:13px 12px;white-space:nowrap}td{padding:17px 12px;border-bottom:1px solid #edf1f6;line-height:1.9}td strong{display:block;color:#263c56;font-weight:600}td small{display:block}td button{padding:6px 10px;font-size:12px}.tag{display:inline-block;font-size:11px;line-height:1.8;padding:2px 8px;border-radius:5px;background:#edf2f8;color:#60738a;margin-right:4px;white-space:nowrap}.tag.good{background:#e7f5ef;color:#218166}.tag.warn{background:#fff3de;color:#a56c1b}.hint{font-size:12px;line-height:1.8;color:var(--muted);margin:15px 0 0}.empty{text-align:center;padding:30px;color:var(--muted)}.detail-meta{display:flex;flex-wrap:wrap;gap:10px 25px;font-size:12px;color:var(--muted)}.mode-bar{display:flex;align-items:center;justify-content:space-between;padding:18px;background:#f6f8fb;margin-top:20px;gap:18px;border-radius:8px}.mode-bar p{margin:5px 0 0}.channels{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.channel{border:1px solid var(--line);border-radius:8px;padding:15px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;font-size:12px}.channel.active{border-color:#aed9ca;background:#f2faf6}.channel .state{font-weight:600;color:#758397}.channel.active .state{color:#1f8264}.channel .channel-actions{width:100%;display:flex;gap:8px}.channel-actions button{flex:1;padding:7px 10px;font-size:12px}.command-status{padding:14px 16px;margin-top:20px;background:#f3f6fb;border-left:3px solid #7894b8;line-height:1.8;font-size:12px}details{margin-top:20px;border-top:1px solid var(--line);padding-top:17px;font-size:12px}summary{cursor:pointer;color:#5a718b}dl{display:grid;grid-template-columns:130px 1fr;gap:10px}dt{color:var(--muted)}dd{margin:0;overflow-wrap:anywhere}.mapping-list{display:grid;gap:10px}.mapping-row{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:16px;background:#f7f9fc;border:1px solid #e9eef5;border-radius:8px}.mapping-path{display:flex;align-items:center;gap:24px;line-height:1.8}.mapping-path small{display:block}.arrow{color:#8ba5c7;font-size:22px}.mapping-row button{font-size:12px;padding:7px 12px}.actions{display:flex;flex-wrap:wrap;gap:10px}.register-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(260px,1fr);gap:24px;align-items:start}.guide ol{padding-left:20px;margin-top:28px}.guide li{padding-left:8px;margin:24px 0;color:#506780}.guide li p{font-size:12px;line-height:1.8}.guide h2{margin-top:12px}#notice{position:sticky;top:8px;z-index:5;background:#e9f3ff;color:#255588;border:1px solid #cbdff8;padding:12px 18px;border-radius:8px;line-height:1.7}#notice.error{background:#fff1eb;color:#a34423;border-color:#f3d0bd}#registration-result{line-height:1.8;font-size:13px;margin-top:18px}#registration-result:empty{display:none}.login{max-width:550px;margin:60px auto}.login form{margin-top:28px}.login h1{margin-top:16px}footer{font-size:11px;color:#8a98a9;margin:26px 0;text-align:center}dialog{border:1px solid #d4dfea;border-radius:12px;padding:28px;width:min(460px,calc(100% - 32px));color:#253c56}dialog::backdrop{background:#142b4566}dialog p{line-height:1.9;margin:0;white-space:pre-line}dialog .actions{justify-content:flex-end}
@media(max-width:1000px){.sidebar{width:176px;padding:30px 12px}.brand{font-size:24px}main{margin-left:176px;padding:0 22px}.channels{grid-template-columns:repeat(2,minmax(0,1fr))}.register-grid{grid-template-columns:1fr}.summary>div{padding:16px}.refresh-box{flex-direction:column;align-items:end}.mapping-path{gap:12px}}
@media(max-width:680px){.sidebar{position:static;width:100%;padding:18px 20px}.brand{font-size:23px;padding:0;display:flex;align-items:center;gap:15px}.brand span{margin:0;font-size:11px;letter-spacing:1px}.workspace-label,.sidebar-foot{display:none}nav{display:flex;margin-top:18px;gap:6px}nav button{padding:10px 12px;font-size:13px}nav button.active{box-shadow:inset 0 -2px #70acff}main{margin:0;padding:0 16px}header{height:64px}.header-actions{gap:8px}#environment{max-width:105px;line-height:1.5}.page-heading{margin:25px 0 20px;align-items:start;gap:8px}h1{font-size:24px}.page-heading p{font-size:12px}.refresh-box small{max-width:90px;line-height:1.5;text-align:right}.refresh-box button{padding:8px 11px;font-size:12px}.summary{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-bottom:18px}.summary strong{font-size:25px}.summary>div{padding:16px}.panel{padding:18px;margin-bottom:18px}.filters{flex-wrap:wrap;gap:12px}.filters .search{flex-basis:100%}.filters>label:not(.search){flex:1}.filters select{min-width:0}.form-grid{grid-template-columns:1fr}.mapping-row{align-items:start;flex-direction:column}.mapping-path{gap:14px;flex-wrap:wrap}.mode-bar{align-items:start;flex-direction:column}.channels{gap:8px}.channel{padding:12px}.channel-actions{flex-wrap:wrap}.register-grid{gap:0}dl{grid-template-columns:90px 1fr}.login{margin:30px 0}.breadcrumb{font-size:11px}}
/* 手机列表转为设备卡片，查看按钮无需横向滚动即可触达。 */
@media(max-width:680px){.table-scroll{overflow:visible}table,tbody{display:block;width:100%}thead{display:none}tr{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:8px;padding:12px;margin:12px 0;gap:10px}td{padding:0;border:0;overflow-wrap:anywhere}td:first-child,td:nth-child(3),td:nth-child(5){grid-column:1/-1}td:first-child{font-size:14px}td:first-child small{font-size:11px}td:nth-child(2)::before{content:"项目 · ";color:var(--muted)}td:nth-child(4)::before{content:"通道 · ";color:var(--muted)}td:nth-child(5)::before{content:"最近采样 · ";color:var(--muted)}td:last-child{grid-column:1/-1}td:last-child button{width:100%;padding:9px}}
#mapping-form{margin-top:20px}
/* 第四个导航入口在窄屏均分，避免挤出屏幕；运维信息继续沿用设备后台的摘要和问题列表。 */
@media(max-width:680px){nav{gap:1px}nav button{flex:1;padding:10px 5px;font-size:12px}#ops-cards{grid-template-columns:1fr 1fr}#ops-cards strong{font-size:20px}}
#ops-issues{margin-top:18px}
/* 内部配置页密度：保留原有导航与确认流程，缩减标题、摘要、空状态和表单留白。 */
header{height:54px}.page-heading{margin:16px 0 14px;gap:12px}.page-heading .eyebrow{display:none}h1{font-size:24px;margin:0 0 5px}
.summary{gap:10px;margin-bottom:14px}.summary>div{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 14px}.summary strong{font-size:23px;margin:0}
.panel{padding:16px;margin-bottom:14px}.section-title{margin-bottom:10px}.filters{gap:10px;margin-bottom:12px}form,.form-grid{gap:12px}label{gap:6px}.hint{margin-top:10px;line-height:1.6}
th{padding:9px 10px}td{padding:10px;line-height:1.6}.empty{padding:12px;margin:8px 0}.mapping-row{padding:12px}.mapping-path{gap:16px}#mapping-form{margin-top:12px}
.mode-bar{padding:12px;margin-top:12px}h3{margin:16px 0 9px}.channels{gap:8px}.channel{padding:10px;gap:8px}.channel .channel-actions{width:auto;margin-left:auto}.channel-actions button{min-height:36px;padding:7px 10px}
.command-status{margin-top:12px;padding:10px 12px}details{margin-top:12px;padding-top:12px}footer{margin:16px 0}
/* 桌面把一条来源—目标关系放在同一行，保存按钮在常见768像素高窗口内可达。 */
@media(min-width:1001px){#mapping-form .form-grid{grid-template-columns:minmax(0,1.5fr) minmax(95px,.6fr) minmax(0,1.5fr) minmax(95px,.6fr)}}
/* 手机保持两列通道和可触控按钮；长设备编号与提示可换行，不横向撑开页面。 */
@media(max-width:680px){.sidebar{padding:12px 14px}nav{margin-top:10px}main{padding:0 12px}header{height:50px}.page-heading{margin:14px 0 12px}.summary{gap:8px}.summary>div{padding:9px 11px}.panel{padding:12px}.filters{gap:8px}.mode-bar{gap:10px}.channel{padding:9px}.channel .channel-actions{width:100%;margin-left:0}.channel-actions button{min-height:40px}.mapping-path{gap:10px;overflow-wrap:anywhere}button,input,select{min-height:40px}.check input{min-height:16px}td{padding:0}#mapping-form .form-grid{grid-template-columns:minmax(0,1.5fr) minmax(0,1fr)}}
/* 型号目录采用紧凑规格行；手机取消设备表专用前缀，五个导航允许换行。 */
.model-table td:first-child{min-width:178px}.model-table td:nth-child(3){max-width:520px}.model-table small{line-height:1.65;margin-top:3px}
@media(max-width:680px){nav{flex-wrap:wrap}nav button{flex:1 0 17%;font-size:11px}.model-table td{grid-column:1/-1}.model-table td:nth-child(2)::before{content:"系列 · "}.model-table td:nth-child(4)::before{content:"状态 · "}.model-table td:nth-child(5)::before{content:none}.model-table td:last-child button{width:auto;padding:7px 12px}.model-table td:first-child{min-width:0}.model-table tr{gap:6px}}
/* 053总览以设备为主体：紧凑通道状态、受控分页，详情独立滚动。 */
main{max-width:none}.fleet-panel .section-title{flex-wrap:wrap}.fleet-panel .filters{flex-wrap:wrap}.fleet-panel .filters .search{min-width:210px}.fleet-panel .filters select{min-width:100px}.fleet-table td{padding:8px}.fleet-table td:first-child{min-width:150px}.fleet-table th{position:sticky;top:0;z-index:1}.fleet-panel #device-table{max-height:calc(100vh - 330px);min-height:160px;overflow:auto}.channel-summary{display:flex;flex-wrap:wrap;align-items:center;gap:3px;margin:3px 0;min-width:160px}.channel-summary>small{min-width:27px}.channel-chip{display:inline-block;padding:2px 4px;border:1px solid #e0e7ee;border-radius:3px;font-size:11px;line-height:1.5;white-space:nowrap}.channel-chip.on{color:#12664b;background:#e5f5ec;border-color:#a4d1b8}.channel-chip.off{color:#526779;background:#f1f4f7}.channel-chip.unknown,.channel-chip.historical{color:#886328;background:#fff4de}.pagination{display:flex;align-items:center;justify-content:flex-end;gap:8px;flex-wrap:wrap;margin-top:12px;font-size:12px}.pagination>span{margin-right:auto;color:var(--muted)}.pagination label{display:flex;align-items:center}.pagination select{width:70px;padding:6px}.pagination button{padding:7px 10px}.actions [aria-pressed="true"]{background:#e7f0ff;border-color:#6f9ce9}.device-wall{display:grid;grid-template-columns:repeat(auto-fill,minmax(275px,1fr));gap:10px;max-height:calc(100vh - 320px);overflow:auto}.device-tile{padding:12px;border:1px solid var(--line);border-radius:7px}.tile-heading{display:flex;justify-content:space-between;align-items:start;gap:8px;margin-bottom:8px}.tile-heading strong,.tile-heading small{display:block;overflow-wrap:anywhere}.tile-heading button{font-size:12px;padding:5px 9px}.device-tile>small{display:block;margin-top:8px}.detail-drawer{position:fixed;right:0;top:0;bottom:0;width:390px;overflow:auto;border-radius:0;margin:0;z-index:8;box-shadow:-6px 0 20px #142b4520}.detail-drawer>.section-title{position:sticky;top:-16px;background:white;padding:8px 0;z-index:1}.detail-drawer h2{font-size:16px;overflow-wrap:anywhere}.detail-drawer .detail-meta{gap:7px}.detail-drawer .channels{grid-template-columns:1fr 1fr}.detail-drawer .mode-bar{align-items:start;flex-direction:column}.detail-drawer .channel .channel-actions{width:100%;margin:0}.detail-drawer dl{grid-template-columns:90px 1fr}
@media(min-width:1200px){body.detail-open main{margin-right:390px}.detail-open .fleet-panel .filters .search{flex-basis:100%}.detail-open .fleet-table td:nth-child(5),.detail-open .fleet-table th:nth-child(5){display:none}}
@media(max-width:1199px){.detail-drawer{width:min(440px,100%);box-shadow:-10px 0 28px #142b4540}}
@media(max-width:680px){.fleet-panel #device-table,.device-wall{max-height:none;min-height:0}.fleet-panel .filters .search{min-width:0}.fleet-panel .section-title .actions{gap:6px}.fleet-panel .section-title button{padding:7px 10px}.fleet-table td{padding:0}.fleet-table td:nth-child(4){grid-column:1/-1}.fleet-table td:nth-child(4)::before{content:none}.device-wall{grid-template-columns:1fr}.detail-drawer{width:100%;padding:14px}.detail-drawer>.section-title{top:-14px}.pagination{justify-content:start}.pagination>span{flex-basis:100%}.device-tile{padding:10px}}
/* 054历史与接入进度：只读事件表保持紧凑，生命周期按钮有单独确认。 */
#history-form{margin-top:14px}#history-form .form-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.history-table td:last-child{overflow-wrap:anywhere;max-width:650px}.history-table small{display:block}.detail-actions{margin-bottom:8px;gap:6px}.detail-actions button{padding:7px 9px;font-size:12px}.onboarding{display:grid;gap:6px;background:#f1f5fa;padding:10px;margin:10px 0;font-size:12px;color:#51677c}
@media(max-width:680px){#history-form .form-grid{grid-template-columns:1fr 1fr}.history-table td{grid-column:1/-1}.history-table td:nth-child(2)::before{content:"事件 · "}.history-table td:nth-child(3)::before{content:none}nav button{flex-basis:30%}}

/* 055客户管理保持紧凑，二维码不拉伸失真。 */
#device-qr{margin-top:16px}#qr-canvas{max-width:100%;image-rendering:pixelated}#claim-secret{font-family:monospace}#customer-account-form{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}#customer-account-form button{align-self:end}