.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.1);
    z-index: 9997;
    display: none;
}

.iframe_shangqiao {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    background-color: #fff;
    box-shadow: 0 8px 40px rgb(0 0 0 / 40%);
    border-radius: 8px 8px 8px 8px;
    z-index: 9998;
    display: none;
}

.close-button {
    position: absolute;
    top: 0px;
    right: -32px;
    width: 30px;
    height: 30px;
    border: none;
    background-color: transparent;
    cursor: pointer;
}

.close-icon {
    width: 30px;
    height: 30px;
    background-color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.close-icon::after {
    content: "X";
}

@media (min-width: 768px) {
    .iframe_shangqiao {
        width: 50%;
        height: 80%;
    }

    .close-small {
        display: none;
    }
}

@media (max-width: 767px) {
    .iframe_shangqiao {
        width: 90%;
        height: 95%;
    }

    .close-button {
        right: 0px;
        width: 20px;
        height: 40px;
    }
    
    .close-icon {
        width: 20px;
        height: 40px;
        background-color: transparent;
        border-radius: none;
    }

    .close-icon1::after {
        content: "X";
    }
}