.popup-coupon-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
}

.popup-coupon-modal {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.3);
    max-width: 500px;
    width: 90%;
    position: relative;
    text-align: center;
}

.popup-coupon-close {
    position: absolute!important;
    top: 10px;
    right: 15px;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #666;
    line-height: 1;
}

.popup-coupon-close:hover {
    color: #333;
}

.popup-coupon-content h3 {
    color: #333;
    margin-bottom: 15px;
    font-size: 24px;
}

.popup-coupon-content p {
    color: #666;
    margin-bottom: 20px;
    font-size: 16px;
}

.coupon-code {
    background: #f8f9fa;
    border: 2px dashed #007cba;
    padding: 15px;
    border-radius: 5px;
    margin: 20px 0;
}

.coupon-code span {
    font-size: 24px;
    font-weight: bold;
    color: #007cba;
    display: block;
    margin-bottom: 10px;
    font-family: monospace;
}

.copy-coupon-btn {
    background: #007cba;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.3s;
}

.copy-coupon-btn:hover {
    background: #005a87;
}

.copy-coupon-btn.copied {
    background: #28a745;
}

.popup-note {
    font-size: 12px;
    color: #999;
    margin-top: 15px;
    font-style: italic;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .popup-coupon-modal {
        padding: 20px;
        margin: 20px;
    }
    
    .popup-coupon-content h3 {
        font-size: 20px;
    }
    
    .coupon-code span {
        font-size: 20px;
    }
    
    .popup-note {
        font-size: 11px;
    }
}