/* 滑块拼图验证码样式 */
.slider-captcha-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 99998;
}
.slider-captcha-box {
    position: fixed;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    background: #fff;
    border-radius: 10px;
    padding: 20px;
    width: 320px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    z-index: 99999;
    box-sizing: border-box;
}
.slider-captcha-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}
.slider-captcha-header .sc-refresh {
    color: #4caf50;
    cursor: pointer;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 4px;
    text-decoration: none;
    background: none;
    border: none;
    padding: 0;
}
.slider-captcha-header .sc-refresh:hover { opacity: 0.7; }
.slider-captcha-header .sc-title {
    font-size: 14px;
    color: #333;
    font-weight: 500;
}
.slider-captcha-header .sc-close {
    cursor: pointer;
    color: #999;
    font-size: 18px;
    line-height: 1;
    background: none;
    border: none;
    padding: 0;
}
.slider-captcha-header .sc-close:hover { color: #333; }
.slider-captcha-img-wrap {
    position: relative;
    width: 280px;
    height: 155px;
    margin: 0 auto 12px;
    border-radius: 6px;
    overflow: hidden;
    background: #f0f0f0;
}
.slider-captcha-img-wrap canvas.sc-bg {
    display: block;
    width: 280px;
    height: 155px;
}
.slider-captcha-img-wrap canvas.sc-block {
    position: absolute;
    top: 0; left: 0;
    cursor: pointer;
}
.slider-captcha-track {
    width: 280px;
    height: 40px;
    background: #f0f0f0;
    border-radius: 20px;
    margin: 0 auto 8px;
    position: relative;
    overflow: hidden;
}
.slider-captcha-track .sc-btn {
    position: absolute;
    left: 0; top: 0;
    width: 40px; height: 40px;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 2;
    transition: background 0.2s;
    touch-action: none;
    user-select: none;
}
.slider-captcha-track .sc-btn:hover { background: #e8f5e9; }
.slider-captcha-track .sc-btn svg { width: 16px; height: 16px; }
.slider-captcha-track .sc-progress {
    position: absolute;
    left: 0; top: 0;
    height: 100%;
    background: rgba(76,175,80,0.3);
    border-radius: 20px;
    width: 0;
    transition: width 0.05s;
}
.slider-captcha-track .sc-hint {
    position: absolute;
    width: 100%;
    text-align: center;
    line-height: 40px;
    font-size: 13px;
    color: #aaa;
    pointer-events: none;
    z-index: 1;
}
.slider-captcha-track.sc-success .sc-progress { background: rgba(76,175,80,0.5); }
.slider-captcha-track.sc-fail .sc-progress { background: rgba(244,67,54,0.3); }
.slider-captcha-track.sc-success .sc-btn { background: #4caf50; }
.slider-captcha-track.sc-fail .sc-btn { background: #f44336; }
.slider-captcha-track.sc-success .sc-btn svg path { fill: #fff; }
.slider-captcha-track.sc-fail .sc-btn svg path { fill: #fff; }
@media (max-width: 360px) {
    .slider-captcha-box { width: 290px; padding: 15px; }
    .slider-captcha-img-wrap { width: 260px; }
    .slider-captcha-img-wrap canvas.sc-bg { width: 260px; }
    .slider-captcha-track { width: 260px; }
}