:root{--bg:#f6f7f9;--surface:#fff;--border:#e6e8ec;--border-strong:#d6dae1;--text:#1b1f24;--text-dim:#6b7280;--primary:#2f7dd1;--primary-dark:#2668b0;--primary-soft:#eaf2fb;--danger:#d1453b;--ok:#1f8a5a;--radius:14px;--shadow:0 1px 2px #1018280a, 0 4px 12px #1018280f;--shadow-hover:0 4px 8px #1018280f, 0 12px 28px #1018281a;--ring:0 0 0 3px #2f7dd129}*{box-sizing:border-box}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;overscroll-behavior-y:none;margin:0;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.55}button,input,select,textarea{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.btn{border:1px solid 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