:root{--bg:#eef7e4;--card:#fff;--primary:#6bbf59;--primary-dark:#4f9d3f;--primary-light:#e9f5e0;--accent:#ffcf5c;--text:#3a5a2a;--muted:#8fae7f;--danger:#e25c5c;--record:#ff9f5c;--stop:#e25c5c}*{box-sizing:border-box;margin:0;padding:0}html{height:100%}html,body{max-width:100vw;overflow-x:hidden}body{min-height:100%;color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:linear-gradient(#f2f9ea 0%,#e7f4dc 100%);font-family:Comic Sans MS,Segoe UI Rounded,PingFang SC,Microsoft YaHei,Arial,sans-serif}a{color:inherit;text-decoration:none}.page{max-width:760px;margin:0 auto;padding:28px 16px 60px}.title{color:var(--primary-dark);text-align:center;margin-bottom:6px;font-size:30px}.subtitle{text-align:center;color:var(--muted);margin-bottom:20px;font-size:14px}.card{background:var(--card);border:1px solid #eaf5e0;border-radius:22px;margin-bottom:18px;padding:18px;box-shadow:0 6px 18px #4c8c3c1a}.cardTitle{color:var(--primary-dark);margin-bottom:12px;font-size:18px}.btn{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:999px;align-items:center;gap:6px;padding:10px 18px;font-family:inherit;font-size:16px;font-weight:700;transition:transform .1s;display:inline-flex;box-shadow:0 3px 8px #00000014}.btn:hover{transform:translateY(-1px)}.btn:active{transform:translateY(1px)}.btnCathy{background:var(--primary-dark)}.btnRecord{background:var(--record)}.btnStop{background:var(--stop)}.chip{background:var(--primary-light);color:var(--primary-dark);cursor:pointer;border:none;border-radius:999px;align-items:center;gap:6px;padding:8px 14px;font-family:inherit;font-size:14px;font-weight:600;display:inline-flex}.word{cursor:pointer}.wordWrong{color:var(--danger);text-decoration:underline}.sentence{word-break:break-word;overflow-wrap:break-word;white-space:normal;margin-bottom:4px;font-size:22px;line-height:2}.toolbar{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:12px;display:flex}.hint{color:var(--muted);font-size:13px}.settingBody{flex-wrap:wrap;align-items:flex-end;gap:20px;margin-top:12px;display:flex}.settingRow{color:var(--text);flex-direction:column;gap:4px;font-size:14px;display:flex}.settingRow select,.settingRow input{border:2px solid var(--primary);color:var(--text);background:#fff;border-radius:12px;padding:6px 8px;font-family:inherit;font-size:15px}.input{border:2px solid var(--primary);width:100%;color:var(--text);background:#fff;border-radius:14px;padding:10px;font-family:inherit;font-size:16px}.result{margin-top:8px}