:root{color-scheme:light;--paper: #f7f0e3;--panel: #fffaf0;--ink: #22201b;--muted: #6f685c;--line: #ded2bd;--green: #1e6b4f;--green-soft: #dceade;--brick: #a43f2f;--amber: #b87918;--blue: #2f5d7c;--shadow: 0 18px 50px rgba(49, 38, 20, .12);font-family:Microsoft YaHei,Noto Sans SC,PingFang SC,sans-serif;background:var(--paper);color:var(--ink)}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:linear-gradient(rgba(34,32,27,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(34,32,27,.035) 1px,transparent 1px),var(--paper);background-size:22px 22px}button,input,textarea{font:inherit}button{border:0;cursor:pointer}.app-shell{width:min(1180px,100%);margin:0 auto;padding:18px}.loading-screen{min-height:100vh;display:grid;place-items:center}.pulse-card{display:flex;align-items:center;gap:12px;padding:18px 22px;border:1px solid var(--line);background:var(--panel);box-shadow:var(--shadow);border-radius:8px;animation:lift 1.4s ease-in-out infinite 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