/* ===== Toast 通知 ===== */
.toast {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translate(-50%, 0) scale(0.9);
    padding: 16px 24px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 500;
    color: #fff;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 9999;
    text-align: center;
    max-width: 85%;
}

.toast.show {
    opacity: 1;
    transform: translate(-50%, 0) scale(1);
}

.toast.meituan-copy {
    background: #34c759;
}

.toast.wechat-copy {
    background: #ff9800;
}

/* ===== Modal 弹窗 ===== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 10000;
}

.modal-overlay.show {
    display: flex;
}

.modal-content {
    background: #fff;
    padding: 24px;
    border-radius: 16px;
    position: relative;
    width: 300px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    animation: modalFadeIn 0.3s ease;
}

.close-button {
    position: absolute;
    top: 10px;
    right: 10px;
    border: none;
    background: none;
    font-size: 24px;
    color: #999;
    cursor: pointer;
    padding: 5px;
    line-height: 1;
}

#qrcode {
    margin: 10px auto;
    display: flex;
    justify-content: center;
}

#qrcode img {
    max-width: 100%;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}