.captcha-wrap{margin:16px 0}
.captcha-wrap>label{display:block;font-size:13px;font-weight:700;color:#334155;margin-bottom:8px}
.captcha-box{display:flex;align-items:center;gap:12px;background:#f8fafc;border:1.5px solid #e2e8f0;border-radius:14px;padding:12px;transition:all .3s}
.captcha-box.error{border-color:#ef4444;background:#fef2f2;animation:cap-shake .4s}
@keyframes cap-shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
.captcha-img-wrap{position:relative;flex-shrink:0;border-radius:10px;overflow:hidden;background:#fff;border:1px solid #e2e8f0;cursor:pointer}
.captcha-img{display:block;width:180px;height:60px;object-fit:cover;transition:opacity .3s}
.captcha-img.loading{opacity:.3}
.captcha-refresh-btn{position:absolute;top:4px;right:4px;width:24px;height:24px;border-radius:6px;border:0;background:rgba(37,99,235,.9);color:#fff;font-size:11px;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s}
.captcha-img-wrap:hover .captcha-refresh-btn{opacity:1}
.captcha-refresh-btn:hover{background:#1e40af;transform:rotate(180deg)}
.captcha-input{flex:1;min-width:0;padding:12px 14px;border:1.5px solid #cbd5e1;border-radius:10px;font-family:Consolas,Monaco,monospace;font-size:16px;font-weight:700;color:#1e40af;text-align:center;direction:ltr;outline:none;transition:all .2s;background:#fff;letter-spacing:1px}
.captcha-input:focus{border-color:#3b82f6;box-shadow:0 0 0 3px rgba(59,130,246,.15)}
.captcha-input::placeholder{color:#94a3b8;font-weight:400;letter-spacing:0;font-family:Tahoma,sans-serif}
.captcha-error-msg{display:none;color:#dc2626;font-size:12.5px;font-weight:700;margin-top:8px;text-align:center}
.captcha-error-msg.show{display:block}
.captcha-hp{position:absolute!important;left:-9999px!important;top:-9999px!important;width:1px!important;height:1px!important;opacity:0!important;pointer-events:none!important}
@media(max-width:480px){.captcha-box{flex-direction:column;align-items:stretch;padding:10px;gap:10px}.captcha-img-wrap{align-self:center}.captcha-img{width:100%;max-width:240px;height:65px}.captcha-input{font-size:15px}}