.g-wrap {
    bottom: 0;
    left: 0;
    overflow: hidden;
    position: fixed;
    right: 0;
    scroll-behavior: smooth;
    top: 0;
    -webkit-overflow-scrolling: touch;
    background-color: #000;
    display: flex        ;
    flex-direction: column;
    justify-content: stretch;
    z-index: 800;
}

.iframe-area {
    flex: 1;
    overflow: hidden;
}
.iframe-box {
    border: none;
    height: 100%;
    width: 100%;
}
.side-btn {
    background-image: linear-gradient(135deg, #fafafa, #e9f0f4);
    border-radius: 0 .42667rem .42667rem 0;
    box-shadow: 0 .21333rem .42667rem #45220152, inset -.05333rem -.10667rem .05333rem #7f3f0229, inset 0 .05333rem .02667rem #fafafa;
    color: #452201;
    font-size: .32rem;
    height: 1.06667rem;
    line-height: .32rem;
    text-shadow: .02667rem .02667rem 0 #fff8e4;
}
.back-btn {
    align-items: center;
    display: flex;
    flex-direction: row;
    justify-content: center;
    left: 0;
    padding-right: .21333rem;
    position: fixed;
    top: .32rem;
    width: 1.70667rem;
    z-index: 860;
}
.fullscreen-btn {
    background-image: url(data:image/png;base64,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);
    background-position: 50%;
    background-repeat: no-repeat;
    background-size: contain;
    border: none;
    height: .64rem;
    opacity: .8;
    outline: none;
    position: fixed;
    right: .32rem;
    top: .42667rem;
    width: .64rem;
    z-index: 860;
}