:root{--bg:#faf9ff;--surface:#fff;--line:#c1c6d7;--text:#181b23;--muted:#414755;--primary:#0057c2;--ok:#188038;--bad:#ba1a1a;--warn:#9e3d00}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.55 "PingFang SC","Microsoft YaHei",Arial,sans-serif}.sidebar{position:fixed;inset:0 auto 0 0;width:256px;background:var(--surface);border-right:1px solid var(--line);display:flex;flex-direction:column}.brand{height:64px;padding:12px 24px;border-bottom:1px solid var(--line)}.brand-title{font-size:20px;font-weight:700;color:var(--primary)}.brand-sub{font-size:12px;color:var(--muted)}.nav{padding:16px 8px;display:flex;flex-direction:column;gap:6px}.nav a,.logout{display:block;padding:9px 16px;border-radius:6px;color:var(--muted);text-decoration:none}.nav a.active{background:#d9e2ff;color:var(--primary);border-right:2px solid var(--primary)}.logout{margin-top:auto;border-top:1px solid var(--line);border-radius:0}.shell{margin-left:256px;min-height:100vh}.topbar{height:64px;background:var(--surface);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 24px;font-weight:600}.admin{font-size:12px;color:var(--muted)}.content{padding:24px;max-width:1500px}.crumb{font-size:12px;color:var(--muted);margin-bottom:12px}h1{font-size:24px;line-height:32px;margin:0 0 24px}h2{font-size:18px;margin:0 0 16px}.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:18px}.page-head h1{margin-bottom:4px}.page-head p{margin:0;color:var(--muted)}.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:24px}.metric,.panel{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:16px}.metric span{display:block;color:var(--muted);font-size:12px}.metric strong{display:block;font-size:26px;margin-top:10px}.grid-two{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:24px}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:11px 10px;border-bottom:1px solid #e6e7f3;vertical-align:top}th{font-size:12px;color:var(--muted);font-weight:600;background:#f2f3ff}a{color:var(--primary)}.sub{font-size:12px;color:var(--muted)}.empty{text-align:center;color:var(--muted);padding:32px}.tag{display:inline-block;border-radius:4px;padding:2px 8px;font-size:12px;font-weight:600}.tag.ok{background:#e7f4ea;color:var(--ok)}.tag.bad{background:#fce8e6;color:var(--bad)}.tag.warn{background:#fff4e5;color:var(--warn)}.tag.muted{background:#eceff3;color:var(--muted)}.ok-text{color:var(--ok)}.bad-text{color:var(--bad)}.warn-text{color:var(--warn)}.alert{border-radius:6px;padding:10px 12px;margin-bottom:16px}.alert.ok{background:#e7f4ea;color:var(--ok)}.alert.bad{background:#fce8e6;color:var(--bad)}button,.primary,.secondary,.danger{border:1px solid var(--line);border-radius:4px;padding:8px 13px;text-decoration:none;cursor:pointer;font:inherit}.primary{background:var(--primary);color:#fff;border-color:var(--primary)}.secondary{background:#fff;color:var(--text)}.danger{background:#fff;color:var(--bad);border-color:#f0b8b8}.row-form{display:inline}.inline-form{display:flex;align-items:end;gap:12px}.inline-form label{min-width:320px}.config-form{display:flex;flex-direction:column;gap:16px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 16px}.form-grid .wide{grid-column:1/-1}label{display:flex;flex-direction:column;gap:6px;font-size:12px;color:var(--muted)}label.check{display:flex;flex-direction:row;align-items:center;color:var(--text);font-size:14px;margin-top:24px}input,textarea{width:100%;border:1px solid var(--line);border-radius:4px;padding:8px 10px;font:13px/1.5 Monaco,Consolas,monospace;color:var(--text);background:#fff}textarea{resize:vertical}.actions{display:flex;gap:10px;margin-bottom:32px}.kv{display:grid;grid-template-columns:160px 1fr;gap:9px 16px}.kv dt{color:var(--muted)}.kv dd{margin:0;word-break:break-all}code{font:13px Monaco,Consolas,monospace;background:#f2f3ff;border:1px solid var(--line);border-radius:4px;padding:2px 5px}.modal-backdrop{position:fixed;inset:0;z-index:20;background:rgba(24,27,35,.48);display:grid;place-items:center;padding:24px}.key-modal{width:min(720px,100%);background:var(--surface);border:1px solid var(--line);border-radius:8px;box-shadow:0 20px 70px rgba(24,27,35,.32);padding:20px}.modal-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:12px}.modal-head h2{margin:0}.key-modal p{margin:0 0 14px;color:var(--muted)}.key-modal code{display:block;padding:12px;margin-bottom:18px;word-break:break-all}.login-page{min-height:100vh;display:grid;place-items:center}.login-panel{width:min(420px,calc(100vw - 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