/* 全站视觉变量、控件焦点与基础排版。 */
:root{--navy:#142b49;--text:#101b2d;--muted:#6b7688;--line:#dce2ea;--orange:#ef782f;--green:#078a3c;--gray:#7d8796;--blue:#eaf3ff;--surface:#f3f6f9;font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;color:var(--text);background:#fff;font-synthesis:none}

*{box-sizing:border-box}
body{margin:0}
button,input,select{font:inherit}
button,a,input,select{-webkit-tap-highlight-color:transparent}
button{cursor:pointer}
button:disabled{cursor:wait;opacity:.6}
a{color:inherit}
button,input,select{font-size:16px}
button{line-height:1.4}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:3px solid #ff9e55;outline-offset:3px}
button,input,select{border-radius:4px}
[hidden]{display:none!important}
.topbar{height:74px;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 3%}
.brand{font-weight:700;font-size:30px;text-decoration:none;letter-spacing:.5px}
nav{display:flex;align-items:stretch;height:100%;gap:38px}
.nav-current{font-size:18px;font-weight:700;display:flex;align-items:center;border-bottom:4px solid var(--orange);padding:4px 18px 0}
.logout{border:0;background:transparent;color:#c7d2e1;padding:0 3px;font-size:18px}
main{max-width:1660px;margin:0 auto;padding:30px 3% 40px}
h1,h2,h3,p{margin:0}
h1{font-size:36px;letter-spacing:.5px;line-height:1.45}
h2{font-size:26px;line-height:1.5}
h3{font-size:19px;margin-bottom:19px}
.muted{color:var(--muted)}
.page-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;gap:20px}
.heading-copy{display:flex;align-items:center;gap:25px}
.heading-copy p{font-size:18px}
.refresh{display:flex;align-items:center;gap:12px;background:#fff;color:var(--orange);border:1px solid var(--orange);padding:10px 20px;min-height:45px}
.refresh svg,.search svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.summary{display:grid;grid-template-columns:repeat(3,1fr);background:var(--surface);border-radius:4px;padding:15px 0;margin-bottom:21px}
.summary>div{display:flex;flex-direction:column;text-align:center;border-right:1px solid #d6dfe8;gap:0}
.summary>div:last-child{border:0}
.summary span{font-size:17px}
.summary strong{font-size:38px;line-height:1.3;font-weight:650}
.green{color:var(--green)}
.gray{color:var(--gray)}
.filters{display:flex;gap:20px;margin-bottom:20px}
.search{display:flex;align-items:center;gap:13px;border:1px solid #cfd8e4;flex:0 1 545px;padding:0 17px;border-radius:4px;min-width:0;color:var(--muted)}
.search input{border:0;outline:none;width:100%;min-width:0;padding:13px 0;background:transparent}
.search:focus-within{outline:3px solid #ff9e55;outline-offset:3px}
.search input:focus-visible{outline:none}
.search input::placeholder{color:#748095}
.status-filter select{width:210px;background:#fff;border:1px solid #cfd8e4;padding:12px 15px;min-height:49px;color:var(--text)}
.table-wrap{border:1px solid #e0e6ee;border-radius:4px;overflow:auto}
table{width:100%;table-layout:fixed;border-collapse:collapse;text-align:left;white-space:nowrap}
th{background:#eef2f6;font-size:17px;font-weight:650;padding:16px 22px}
td{border-top:1px solid #e0e6ee;padding:14px 22px;font-size:16px;vertical-align:middle}
tbody tr.selected{background:var(--blue)}
tbody tr:hover{background:#f2f7fe}
.device-name{display:block;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding:0;border:0;background:transparent;font-size:17px;font-weight:650;color:var(--text);text-align:left;text-decoration:none}
.device-name:hover{text-decoration:underline}
.cell-secondary{color:var(--muted);font-size:14px;margin-top:3px;max-width:100%;overflow:hidden;text-overflow:ellipsis}
.status{display:inline-flex;align-items:center;gap:12px}
.dot{width:12px;height:12px;border-radius:50%;display:inline-block;background:var(--gray);flex-shrink:0}
.dot.running{background:var(--green)}
.dot.warning{background:#dc7a19}
.device-details{border-top:1px solid var(--line);margin-top:26px;padding-top:20px}
.detail-subtitle{margin-top:2px;font-size:17px;overflow-wrap:anywhere}
.detail-columns{display:grid;grid-template-columns:42% 1fr;gap:36px;margin-top:20px}
.detail-columns>div+div{border-left:1px solid var(--line);padding-left:36px}
dl{display:grid;grid-template-columns:135px minmax(0,1fr);gap:10px 18px;margin:0;font-size:16px}
dt{color:var(--muted)}
dd{margin:0;overflow-wrap:anywhere}
.diagnostic-item{position:relative;border-left:1px solid var(--line);padding:0 0 24px 32px;margin-left:6px}
.diagnostic-item:last-child{padding-bottom:0}
.diagnostic-item:before{content:"";position:absolute;width:12px;height:12px;border-radius:50%;background:var(--green);left:-6.5px;top:6px}
.diagnostic-item time{color:var(--muted);font-size:14px;display:block;margin-bottom:5px}
.diagnostic-item p{font-size:16px;line-height:1.7;overflow-wrap:anywhere}
.empty{padding:58px 24px;text-align:center;border:1px solid #e0e6ee;border-radius:4px}
.empty h2{font-size:21px;margin-bottom:10px}
.empty p{color:var(--muted);font-size:15px;line-height:1.7}
.message{padding:15px 0;font-size:15px;line-height:1.7}
.error{color:#b33225}
.update-note{font-size:12px;margin-top:12px}
.login{max-width:410px;margin:68px auto 100px}
.login h1{font-size:29px}
.login .muted{margin-top:8px;margin-bottom:32px}
.login label{font-size:15px;display:block;margin-bottom:9px}
.login input{display:block;width:100%;padding:12px;border:1px solid #cfd8e4}
.primary{background:var(--navy);color:#fff;border:0;width:100%;padding:12px;margin-top:21px}
.sr-only{position:absolute;clip:rect(0,0,0,0);clip-path:inset(50%);width:1px;height:1px;overflow:hidden;white-space:nowrap}

th:nth-child(1){width:19%}
th:nth-child(2){width:17%}
th:nth-child(3){width:15%}
th:nth-child(4){width:16%}
th:nth-child(5){width:14%}
th:nth-child(6){width:19%}


/* 根据视口调整布局，设备表保持独立滚动区域。 */
@media(max-width:900px){.brand{font-size:24px}
.heading-copy{display:block}
.heading-copy p{font-size:15px;margin-top:3px}
h1{font-size:31px}
.detail-columns{grid-template-columns:1fr;gap:28px}
.detail-columns>div+div{border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:24px}
th,td{padding-left:17px;padding-right:17px}
}


/* 根据视口调整布局，设备表保持独立滚动区域。 */
@media(max-width:560px){.topbar{height:64px;padding:0 20px}
.brand{font-size:20px;letter-spacing:0}
nav{gap:14px}
.nav-current{display:none}
.logout{font-size:14px}
main{padding:25px 20px 32px}
h1{font-size:28px}
.page-heading{gap:12px}
.heading-copy p{font-size:13px}
.refresh{padding:9px 12px;gap:7px;font-size:14px}
.refresh svg{width:18px;height:18px}
.summary{margin-bottom:18px;padding:15px 0}
.summary strong{font-size:31px}
.summary span{font-size:14px}
.filters{flex-direction:column;gap:12px}
.search{flex:auto;padding-left:12px}
.search input{font-size:14px;padding:12px 0}
.search svg{width:20px}
.status-filter select{width:100%;min-height:43px;font-size:14px;padding:10px 12px}
.table-wrap{margin-right:0}
table{min-width:860px}
th,td{font-size:14px;padding:14px 16px}
.device-name{font-size:15px}
.cell-secondary{font-size:13px}
.status{gap:8px}
.dot{width:10px;height:10px}
.device-details{padding-top:18px;margin-top:22px}
h2{font-size:23px}
.detail-subtitle{font-size:14px}
h3{font-size:17px}
dl{grid-template-columns:92px minmax(0,1fr);font-size:14px;gap:11px 13px}
.diagnostic-item p{font-size:14px}
.login{margin:44px auto}
.login h1{font-size:27px}
.empty{padding:36px 15px}
.empty p{font-size:14px}
}


/* 根据视口调整布局，设备表保持独立滚动区域。 */
@media(prefers-reduced-motion:no-preference){button{transition:background-color .15s,border-color .15s}
.refresh:hover{background:#fff6ef}
.primary:hover{background:#244568}
}