/* 行内 CSS 风格，组件样式尽量小而干净 */
.captcha-wrap { display:flex; align-items:center; gap:10px; }
.captcha-canvas { border-radius:6px; border:1px solid #dcdcdc; cursor:pointer; }
.captcha-text { font-size:13px; color:#666; user-select:none; }
.captcha-refresh { background:#f5f5f5; border:1px solid #ddd; padding:6px 8px; border-radius:6px; cursor:pointer; font-size:13px; }