:root{--bg:#f5f7f9;--surface:#fff;--ink:#18232e;--muted:#78828d;--line:#e8ecf0;--green:#187a63;--green-light:#edf7f2;--danger:#ba4350;--radius:12px;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);font-size:14px}*{box-sizing:border-box}body{margin:0;background:var(--bg)}[hidden]{display:none!important}button,input,select,textarea{font:inherit}button{cursor:pointer;border:1px solid #dce2e7;border-radius:7px;padding:9px 13px;background:white;color:#3e4a57;white-space:nowrap;transition:background .15s}button:hover{background:#f2f5f7}button:disabled{opacity:.5;cursor:wait}button.primary{background:var(--green);border-color:var(--green);color:#fff;box-shadow:0 2px 3px #187a6312}button.primary:hover{background:#12654f}button.text-button{padding:4px 0;border:0;background:transparent;color:var(--green)}button.danger{color:var(--danger)}input,select,textarea{width:100%;border:1px solid #dce2e7;border-radius:7px;padding:11px 12px;outline:0;color:var(--ink);background:white}input:focus,textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px #187a6314}button:focus-visible,a:focus-visible{outline:3px solid #84b9ad;outline-offset:3px}h1,h2,h3,p{margin:0}h1{font-size:27px;font-weight:650;letter-spacing:-.8px;margin:5px 0 10px}h2{font-size:17px;font-weight:650}h3{font-size:14px;font-weight:650}.muted{color:var(--muted);line-height:1.8}.small{font-size:12px}.eyebrow{font-size:10px;font-weight:650;letter-spacing:1.8px;color:#84918c}.full{width:100%}.status-dot{display:inline-block;width:7px;height:7px;background:#2c9573;border-radius:50%;margin-right:6px}.brand-mark{width:34px;height:36px;display:inline-grid;place-items:center;background:var(--green);color:#fff;border-radius:10px;font-size:23px;font-weight:750;flex-shrink:0}.login-view{min-height:100vh;display:grid;place-content:center;background:radial-gradient(ellipse at 50% 0%,#dfeee6,transparent 65%),#f6f8f8}.login-brand{display:flex;align-items:center;justify-content:center;gap:11px;letter-spacing:2px;font-size:13px;font-weight:650;margin-bottom:25px}.login-card{width:min(420px,calc(100vw - 40px));padding:38px;background:white;border:1px solid var(--line);border-radius:16px;box-shadow:0 18px 60px #152b2210}.login-card h1{font-size:29px}.login-card label{display:block;font-size:12px;font-weight:600;margin:30px 0 9px}.login-card .full{display:flex;justify-content:space-between;margin-top:20px;padding:12px}.login-foot{font-size:11px;color:#9aa3a9;text-align:center;margin-top:23px}.error{color:var(--danger);font-size:12px;line-height:1.7;margin-top:12px;min-height:0}.error:empty{display:none}.workspace{display:flex;min-height:100vh}.sidebar{width:226px;flex-shrink:0;background:#fff;border-right:1px solid var(--line);position:fixed;inset:0 auto 0 0;display:flex;flex-direction:column;padding:30px 18px 0}.brand{display:flex;align-items:center;gap:10px;margin:0 8px 43px;text-decoration:none;color:var(--ink);font-size:18px;font-weight:650;letter-spacing:-.5px}.brand small{display:block;font-size:10px;color:#9aa3a9;font-weight:400;margin-top:4px;letter-spacing:1px}.nav-caption{font-size:10px;color:#a0a8b0;padding:0 15px 12px;letter-spacing:1px}.nav-item{width:100%;text-align:left;border:0;border-radius:7px;padding:13px 15px;font-size:13px;margin-bottom:6px;color:#7d8791}.nav-item span{font-size:18px;margin-right:12px;vertical-align:-1px}.nav-item.active{color:#196b54;background:#edf5f0;font-weight:600}.sidebar-note{margin-top:auto;border:1px solid #edf0ec;border-radius:8px;background:#fafcf9;padding:13px;font-size:11px;color:#5f7668}.sidebar-note p{font-size:10px;line-height:1.9;color:#98a29b;margin-top:7px}.admin-profile{margin-top:24px;border-top:1px solid var(--line);padding:22px 0;display:flex;gap:9px;align-items:center;font-size:11px}.avatar{width:31px;height:31px;background:#edf1f5;display:grid;place-items:center;border-radius:50%;color:#72818d}.admin-profile small{font-size:9px;display:block;color:#9ca4ad;margin-top:5px}.admin-profile button{font-size:11px;margin-left:auto}main{margin-left:226px;width:calc(100% - 226px)}.topbar{height:65px;background:white;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 34px;color:#8c959d;font-size:11px}.topbar strong{font-weight:500;color:#4f5d69}.crumb{margin:0 10px;color:#c0c7cc}.topbar-right{font-size:10px}.content{max-width:1580px;margin:auto;padding:34px}.page-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}.page-heading .muted{font-size:12px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:17px;margin-bottom:27px}.stats article{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:21px 23px}.stats article span{display:block;font-size:11px;color:#7a8791}.stats article strong{display:block;font-size:29px;font-weight:650;letter-spacing:-.8px;margin:13px 0 10px;font-variant-numeric:tabular-nums}.stats article small{font-size:10px;color:#a1a9b1}.customer-grid{display:grid;grid-template-columns:265px minmax(0,1fr);gap:20px;align-items:start}.card{background:white;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;min-width:0}.card-heading{padding:22px 20px 15px;display:flex;justify-content:space-between;align-items:center}.card-heading h2{font-size:14px}.count{color:#929da5;border-radius:5px;background:#f1f4f6;padding:3px 7px;font-size:10px;font-weight:500;margin-left:6px}.search-form{display:flex;padding:0 17px 17px;gap:5px}.search-form input{font-size:11px;padding:9px;min-width:0}.search-form button{font-size:11px;padding:6px}.customer-list{padding:0 9px;min-height:190px}.customer-row{border:1px solid transparent;display:flex;text-align:left;align-items:center;width:100%;border-radius:7px;margin-bottom:6px;padding:13px 10px;gap:10px;white-space:normal}.customer-row.selected{background:#eff7f3;border-color:#e1eee7}.customer-avatar{display:grid;place-items:center;width:32px;height:32px;flex-shrink:0;border-radius:8px;background:#f0f3f6;color:#6c7c87;font-size:13px}.selected .customer-avatar{background:#dfede4;color:#418268}.customer-name{font-size:12px;font-weight:550;overflow-wrap:anywhere}.customer-meta{display:block;font-size:10px;color:#99a3ab;font-weight:400;margin-top:6px}.badge{display:inline-flex;align-items:center;gap:5px;padding:4px 7px;border-radius:5px;font-size:10px;background:#edf7f1;color:#4c9270;white-space:nowrap}.badge.off{background:#f9eeef;color:#b16a74}.badge.expired{background:#fff6e8;color:#a58a4c}.customer-row .badge{margin-left:auto;padding:3px 5px;font-size:9px}.detail-card{min-height:390px}.detail-heading{padding:26px 24px 24px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:10px}.detail-heading h2{font-size:21px;margin:8px 0 10px;overflow-wrap:anywhere}.actions{display:flex;gap:8px;flex-wrap:wrap}.actions button{font-size:11px;padding:8px 10px}.section-heading{padding:22px 24px 17px;display:flex;align-items:center;justify-content:space-between}.section-heading .text-button{font-size:10px}table{border-collapse:collapse;text-align:left;width:100%;font-size:11px}th{font-size:10px;color:#8c98a1;font-weight:500;background:#fbfcfd;border-top:1px solid #f0f3f5;border-bottom:1px solid #f0f3f5;padding:12px 14px;white-space:nowrap}td{padding:17px 14px;color:#63717e;border-bottom:1px solid #f0f3f5;line-height:1.6;max-width:280px;overflow-wrap:anywhere}th:first-child,td:first-child{padding-left:24px}td .text-button{font-size:11px}.table-scroll{overflow-x:auto}.panel-note{font-size:10px;color:#9aa5ad;line-height:1.9;padding:15px 24px;background:#fcfdfd;border-top:1px solid #f0f3f5}.empty{padding:75px 20px;text-align:center;color:#a0aab1}.empty h2,.empty h3{color:#74848e;margin-bottom:10px}.empty p{font-size:11px;line-height:1.8}.empty-icon{font-size:35px;display:block;margin-bottom:20px;color:#b9cdc3}.empty.compact{padding:45px 20px}.pager{display:flex;align-items:center;justify-content:space-between;padding:15px 18px;font-size:10px;color:#97a0a9;gap:8px}.pager button{padding:5px 8px;font-size:10px}.pager:empty{display:none}.notice{padding:12px 16px;background:#e8f4ed;color:#37775e;border:1px solid #d7e9df;border-radius:8px;font-size:12px;margin-bottom:20px}.notice.error-notice{background:#fff2f3;color:#b14c56;border-color:#f4dce0}footer{font-size:10px;color:#b1b8be;text-align:center;padding:30px 0 0}footer span{margin:0 7px}dialog{border:1px solid var(--line);border-radius:14px;padding:27px;width:min(470px,calc(100vw - 28px));box-shadow:0 24px 90px #172c2830;color:var(--ink)}dialog::backdrop{background:#172b3859;backdrop-filter:blur(2px)}.modal-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;gap:18px}.modal-heading h2{overflow-wrap:anywhere}.close{border:0;font-size:24px;padding:0 3px;color:#99a2a9}.form-fields{display:grid;gap:17px;margin-top:23px}.form-fields label{font-size:12px;font-weight:550}.form-fields input,.form-fields select{display:block;margin-top:8px;font-weight:400}.modal-footer{display:flex;justify-content:flex-end;gap:9px;margin-top:26px;padding-top:20px;border-top:1px solid var(--line)}#activation-code{font-family:ui-monospace,monospace;margin:20px 0 10px;resize:none}#code-dialog .full{margin-top:20px}.device-dialog{width:min(630px,calc(100vw - 28px));max-height:90vh}.device-dialog .eyebrow{margin-bottom:6px}.device-dialog>h3{margin:30px 0 7px}.device-dialog .actions{margin-top:18px}.device-dialog .section-heading{padding:27px 0 8px}.permissions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:15px}.permission{display:flex;justify-content:space-between;align-items:center;border:1px solid var(--line);border-radius:7px;padding:10px 12px;font-size:11px}.permission button{padding:4px 8px;font-size:10px;color:var(--green)}.permission button.off{color:var(--danger)}.account-row{display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--line);padding:14px 0;font-size:12px;overflow-wrap:anywhere}.account-row button{font-size:10px;padding:5px 8px;margin-left:auto}.account-row .badge{flex-shrink:0}.account-list{margin-top:10px}.filter-form{display:flex;align-items:end;gap:15px;padding:24px}.filter-form label{font-size:11px;color:#798690;flex:1;min-width:0}.filter-form input{display:block;margin-top:8px;font-size:12px}.audit-card{padding-bottom:10px}.audit-card td{font-size:10px}.audit-target{font:10px/1.7 ui-monospace,monospace;max-width:280px;white-space:pre-wrap;overflow-wrap:anywhere}.subtext{display:block;color:#9ca6ae;font-size:10px;margin-top:3px}.audit-card .section-heading{margin-top:8px}
@media(min-width:1600px){.customer-grid{grid-template-columns:300px minmax(0,1fr)}}@media(max-width:1180px){.sidebar{width:190px;padding:26px 12px 0}main{margin-left:190px;width:calc(100% - 190px)}.content{padding:25px}.customer-grid{grid-template-columns:220px minmax(0,1fr);gap:15px}.stats{gap:12px}.stats article{padding:18px}.detail-heading{align-items:start;flex-direction:column}.brand{font-size:16px}}@media(max-width:820px){.sidebar{width:70px;padding:20px 10px}.brand{margin:0 auto 30px}.brand>span:last-child,.nav-caption,.sidebar-note,.admin-profile{display:none}.nav-item{font-size:0;text-align:center;padding:10px}.nav-item span{font-size:23px;margin:0}main{margin-left:70px;width:calc(100% - 70px)}.content{padding:22px 18px}.topbar{padding:0 20px}.customer-grid{grid-template-columns:1fr}.customer-list{display:flex;overflow:auto;min-height:0;gap:8px}.customer-row{min-width:185px;width:auto;flex-shrink:0}.customer-card .pager{padding:10px 18px}.stats{grid-template-columns:1fr 1fr}.detail-heading{flex-direction:row}.filter-form{flex-wrap:wrap}.filter-form label{flex-basis:40%}.page-heading{gap:15px}h1{font-size:24px}}@media(max-width:500px){.topbar-right{display:none}.content{padding:22px 12px}.stats article{padding:15px}.stats article strong{font-size:25px}.stats article small{font-size:9px}.page-heading{align-items:start}.page-heading>.primary{font-size:11px;padding:8px}.page-heading .muted{font-size:10px}.eyebrow{font-size:8px;letter-spacing:1px}.detail-heading{flex-direction:column;padding:20px}.permissions{grid-template-columns:1fr}.filter-form label{flex-basis:100%}.login-card{padding:30px}}

.table-wrap{overflow-x:auto}.device-dialog #daily-usage{line-height:1.9;overflow-wrap:anywhere}

/* 员工阅读辅助：保留原布局，增加文字可读性和中文说明。 */
.quick-guide{margin:0 0 24px;padding:16px 20px;background:var(--green-light);border:1px solid #dcebe3;border-radius:10px;line-height:1.9;color:#365d50}
.quick-guide summary{cursor:pointer;font-weight:600;font-size:14px}
.quick-guide ol{padding-left:23px;margin:12px 0}.quick-guide li{margin:7px 0}.quick-guide p{font-size:13px}
.audit-description{white-space:pre-line;min-width:190px;line-height:1.9}
.stats article small{display:block;font-size:12px;line-height:1.7}.stats article span{font-size:13px}
.panel-note,.empty p,.muted.small,.filter-form label,.section-heading .text-button,.customer-meta,.subtext,.audit-card td{font-size:12px}
th{font-size:12px}td,table{font-size:13px}.permission{gap:12px;font-size:13px}.permission span{min-width:0;overflow-wrap:anywhere}
.permission button{flex-shrink:0}.actions button{font-size:12px}.brand{font-size:16px}.page-heading .actions{justify-content:flex-end}
@media(max-width:500px){.page-heading{flex-wrap:wrap}.page-heading .muted{font-size:12px}.quick-guide{padding:13px}.stats article small{font-size:11px}.page-heading .actions{justify-content:flex-start}.audit-description{min-width:150px}}
@media(max-width:820px){.nav-item{font-size:11px;padding:10px 0}.nav-item span{display:block;margin:0 0 6px}.admin-profile{display:flex;margin-top:auto;padding:16px 0}.admin-profile>.avatar,.admin-profile>div{display:none}.admin-profile .text-button{margin:0;width:100%;font-size:12px}}