*{box-sizing:border-box}:root{--bg: #f4f5f7;--bg-elev: #ffffff;--bg-soft: #ebedf0;--bg-inset: #e3e6ea;--line: #d8dde3;--line-soft: #e7eaee;--ink: #14181d;--ink-2: #3d4651;--ink-3: #6b7480;--ink-4: #98a0aa;--accent: #1f6feb;--accent-soft: #e7f0fd;--accent-ink: #0b4dba;--warn: #d93b3b;--warn-soft: #fdecec;--good: #1f8a52;--shadow-sm: 0 1px 0 rgba(20, 24, 29, .04), 0 1px 2px rgba(20,24,29,.04);--shadow-md: 0 1px 0 rgba(20,24,29,.04), 0 8px 24px rgba(20,24,29,.06);--radius: 6px;--radius-lg: 10px;--sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif}html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}h1,h2,h3,p{margin:0}input,button{font:inherit}button{cursor:pointer;border:none;background:none;color:inherit}button:disabled{cursor:not-allowed;opacity:.5}.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:24px}.panel{width:min(920px,100%);background:var(--bg-elev);border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--shadow-md)}.sub{margin-top:8px;color:var(--ink-3)}.form-grid{margin-top:18px;display:grid;gap:12px}label{display:grid;gap:8px;font-weight:600}input{border:1px solid var(--line);border-radius:8px;padding:10px 12px;background:#fff}.privacy{margin-top:16px;color:var(--ink-3);font-size:13px}.error{color:var(--warn);font-size:14px}.app{min-height:100vh;display:flex;flex-direction:column}.appbar{height:52px;background:var(--bg-elev);border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 16px;gap:14px;position:sticky;top:0;z-index:50}.appbar .brand{display:flex;align-items:center;gap:8px;font-weight:600;font-size:14px}.appbar .logo{width:18px;height:18px;border-radius:4px;background:var(--ink);position:relative}.appbar .logo:before{content:"";position:absolute;inset:4px;border:1.5px solid #fff;border-radius:50%}.appbar .logo:after{content:"";position:absolute;left:50%;top:50%;width:4px;height:4px;border-radius:50%;background:#fff;transform:translate(-50%,-50%)}.appbar .crumbs{color:var(--ink-3);font-size:13px;display:flex;gap:8px;align-items:center}.appbar .crumbs strong{color:var(--ink);font-weight:500}.appbar .crumbs .sep{color:var(--ink-4)}.appbar .spacer{flex:1}.appbar .meta{display:flex;gap:8px;align-items:center;font-size:13px;color:var(--ink-3)}.appbar .meta .dot{width:6px;height:6px;border-radius:50%;background:var(--good)}.btn{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--radius);font-size:13px;color:var(--ink-2);transition:background .12s,border-color .12s}.btn:hover:not(:disabled){background:var(--bg-soft);border-color:#c7ccd3}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:500}.btn.primary:hover:not(:disabled){background:var(--accent-ink);border-color:var(--accent-ink)}.btn.ghost{background:transparent;border-color:transparent;color:var(--ink-3)}.btn.ghost:hover:not(:disabled){background:var(--bg-soft);color:var(--ink)}.btn.lg{padding:9px 18px;font-size:14px}.tag{display:inline-flex;align-items:center;gap:4px;padding:2px 6px;border-radius:3px;font-size:11px;background:var(--bg-soft);color:var(--ink-2)}.tag.accent{background:var(--accent-soft);color:var(--accent-ink)}.control-panel{margin:16px auto 0;background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden;max-width:1680px;width:calc(100% - 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