:root{--bg:#f6f8f7;--panel:#fff;--ink:#151c1c;--muted:#5e6b68;--line:#dce4e1;--teal:#087f6b;--teal-soft:#e4f4ef;--amber:#b7791f;--amber-soft:#fff4dc;--red:#b42318;--red-soft:#ffe8e3;--blue:#1f5f99;--blue-soft:#e7f0fb;--shadow:0 16px 40px #151c1c14}*{box-sizing:border-box}body{color:var(--ink);background:var(--bg);letter-spacing:0;margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Microsoft YaHei,sans-serif}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}.shell{width:min(1180px,100% - 32px);margin:0 auto}.topbar{z-index:20;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);background:#f6f8f7f0;position:sticky;top:0}.nav{align-items:center;gap:22px;min-height:72px;display:flex}.brand{align-items:center;gap:10px;min-width:210px;font-size:18px;font-weight:800;display:flex}.brand-mark{background:var(--ink);color:#fff;border-radius:8px;place-items:center;width:34px;height:34px;font-size:13px;font-weight:800;display:grid}.links{flex:1;align-items:center;gap:4px;min-width:0;display:flex}.links a{color:var(--muted);white-space:nowrap;border-radius:6px;padding:9px 10px;font-size:14px}.links a:hover{color:var(--ink);background:#ecf0ef}.actions{align-items:center;gap:8px;display:flex}.icon-btn,.pill-btn,.form-btn{border:1px solid var(--line);background:var(--panel);color:var(--ink);cursor:pointer;border-radius:7px;justify-content:center;align-items:center;gap:8px;min-height:38px;font-size:14px;display:inline-flex}.icon-btn{width:38px}.pill-btn,.form-btn{padding:0 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