:root{--bg:#f7f8f4;--ink:#233d36;--accent:#345e4d;--muted:#64746b;--card:#fff;--line:#e3e8df;--soft:#eef2e9;--danger:#9e3534}*{box-sizing:border-box}body{margin:0;font-family:Arial,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--ink);line-height:1.7;font-size:15px}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.btn,button{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--accent);color:white;border:1px solid var(--accent);border-radius:10px;padding:11px 20px;min-height:44px;cursor:pointer;font-size:14px;font-weight:600;transition:background .18s,transform .18s}.btn:hover,button:hover{background:#244638}button:disabled{opacity:.55;cursor:wait}.btn.secondary,button.secondary{background:transparent;color:var(--accent);border-color:#cdd8ca}.btn.secondary:hover,button.secondary:hover{background:var(--soft)}button.danger{background:var(--danger);border-color:var(--danger)}:focus-visible{outline:3px solid #9b7219;outline-offset:4px}h1,h2,h3,p{margin-top:0}h1{font-size:32px;line-height:1.35;letter-spacing:-.8px}h1,h2{font-weight:600;margin-bottom:10px}h2{font-size:20px;line-height:1.45}h3{font-size:16px;margin-bottom:8px}p{margin-bottom:16px}small{font-size:12px}.eyebrow,.muted{color:var(--muted)}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:600;margin-bottom:13px}.app-shell{display:flex;min-height:100vh}.sidebar{position:fixed;top:0;bottom:0;width:246px;padding:33px 25px 22px;border-right:1px solid var(--line);background:#fbfcf8;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:12px;font-family:Georgia,serif;font-size:25px;font-weight:600;letter-spacing:-.7px}.brand small{display:block;font:8px Arial,sans-serif;letter-spacing:1.7px;margin-top:4px}.brand-mark{font-family:Georgia,serif;background:var(--accent);color:#fff;border-radius:12px;width:42px;height:45px;text-align:center;line-height:45px;font-size:31px}.brand-mark 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