#index-bottom{
    float: left;
    width: 100%;
    height: 150px;
    color: black;
    font-size: 14px;
    line-height: 24px;
    letter-spacing: 1px;
    -webkit-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

#index-bottom-line-up{
    float: left;
    margin-left: 40px;
    width: calc(100% - 80px);
    height: 1px;
    background-color: #E7E8EC;
}

#index-bottom-contact{
    float: left;
    margin-left: 40px;
    margin-top: 31px;
    height: 20px;
    cursor: pointer;
    transition: color 0.1s;
}

#index-bottom-contact:hover{
    color: #AA8350;
}

#index-bottom-disclaimer{
    float: left;
    margin-left: 30px;
    margin-top: 31px;
    height: 20px;
    cursor: pointer;
    transition: color 0.1s;
}

#index-bottom-disclaimer:hover{
    color: #AA8350;
}

#index-bottom-privacy{
    float: left;
    margin-left: 30px;
    margin-top: 31px;
    height: 20px;
    cursor: pointer;
    transition: color 0.1s;
}

#index-bottom-privacy:hover{
    color: #AA8350;
}

#index-bottom-facebook{
    float: right;
    margin-right: 25px;
    margin-top: 31px;
    height: 20px;
    width: 20px;
    cursor: pointer;
}

#index-bottom-facebook::before{
    content: attr(data-descr);
    position: absolute;
    height: 20px;
    width: 20px;
    opacity: 0;
    background-image: url('../sources/image/facebook_icon_hover.svg');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    transition: opacity 0.5s;
}

#index-bottom-facebook::after{
    content: attr(data-descr);
    position: absolute;
    height: 20px;
    width: 20px;
    background-image: url('../sources/image/facebook_icon.svg');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    transition: opacity 0.5s;
}

#index-bottom-facebook:hover::before{
    opacity: 1;
}

#index-bottom-facebook:hover::after{
    opacity: 0;
}

#index-bottom-instagram{
    float: right;
    margin-right: 25px;
    margin-top: 31px;
    height: 20px;
    width: 20px;
    cursor: pointer;
}

#index-bottom-instagram::before{
    content: attr(data-descr);
    position: absolute;
    height: 20px;
    width: 20px;
    opacity: 0;
    background-image: url('../sources/image/instagram_icon_hover.svg');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    transition: opacity 0.5s;
}

#index-bottom-instagram::after{
    content: attr(data-descr);
    position: absolute;
    height: 20px;
    width: 20px;
    background-image: url('../sources/image/instagram_icon.svg');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    transition: opacity 0.5s;
}

#index-bottom-instagram:hover::before{
    opacity: 1;
}

#index-bottom-instagram:hover::after{
    opacity: 0;
}

#index-bottom-wechat{
    float: right;
    margin-right: 25px;
    margin-top: 31px;
    height: 20px;
    width: 24px;
    cursor: pointer;
}

#index-bottom-wechat-qr{
    position: absolute;
    width: 128px;
    height: 0px;
    margin-top: -5px;
    margin-left: -52px;
    object-fit: contain;
    transition: height .2s, margin-top .2s;

}

#index-bottom-wechat[on='1'] >  #index-bottom-wechat-qr{
    height: 140px;
    margin-top: -145px;

}

#index-bottom-wechat::before{
    content: attr(data-descr);
    position: absolute;
    height: 20px;
    width: 24px;
    opacity: 0;
    background-image: url('../sources/image/wechat_icon_hover.svg');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    transition: opacity 0.5s;
}

#index-bottom-wechat::after{
    content: attr(data-descr);
    position: absolute;
    height: 20px;
    width: 24px;
    background-image: url('../sources/image/wechat_icon.svg');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    transition: opacity 0.5s;
}

#index-bottom-wechat:hover::before{
    opacity: 1;
}

#index-bottom-wechat:hover::after{
    opacity: 0;
}

#index-bottom-to-top{
    float: right;
    margin-right: 40px;
    margin-top: 16px;
    height: 48px;
    width: 48px;
    cursor: pointer;
    background-image: url('../sources/image/bottom_arrow_up_hover.svg');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    overflow: hidden;
}

#index-bottom-to-top::before{
    content: attr(data-descr);
    float: right;
    height: 48px;
    width: 48px;
    background-image: url('../sources/image/bottom_arrow_up.svg');
    background-size: cover;
    background-position: top;
    background-repeat: no-repeat;
    transition: height 0.1s;
}

#index-bottom-to-top:hover::before{
    height: 0px;
}

#index-bottom-line-down{
    float: left;
    margin-left: 40px;
    width: calc(100% - 80px);
    height: 1px;
    margin-top: 16px;
    background-color: #E7E8EC;
}

#index-bottom-copyright{
    float: left;
    margin-top: 18px;
    margin-left: 40px;
    height: 40px;
    width: 361px;
    background-image: url('../sources/image/copyright.svg');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
}

@media only screen and (max-width: 600px){

    #index-bottom{
        margin-top: 0vw;
        height: 70vw;
        font-size: 2.93vw;
        line-height: 4vw;
    }
    
    #index-bottom-line-up{
        margin-top: 26.93vw;
        margin-left: 28.8vw;
        margin-right: 28.8vw;
        width: 42.4vw;
    }
    
    #index-bottom-contact{
        display: none;
    }
    
    #index-bottom-disclaimer{
        position: absolute;
        right: 54.4vw;
        margin-left: 0px;
        margin-top: 53.86vw;
        height: 4vw;
        font-weight: 600;
    }
    
    #index-bottom-privacy{
        position: absolute;
        left: 54.4vw;
        margin-left: 0px;
        margin-top: 53.86vw;
        height: 4vw;
        font-weight: 600;
    }
    
    #index-bottom-facebook{
        margin-right: 12vw;
        margin-top: 6.4vw;
        height: 5.33vw;
        width: 5.33vw;
    }
    
    #index-bottom-instagram{
        margin-right: 12vw;
        margin-top: 6.4vw;
        height: 5.33vw;
        width: 5.33vw;
    }
    
    #index-bottom-wechat{
        margin-right: 37.5vw;
        margin-top: 6.4vw;
        height: 5.33vw;
        width: 6.4vw;
    }

    #index-bottom-wechat-qr{
        width: 25.6vw;
        height: 0px;
        margin-top: -.5vw;
        margin-left: -9.6vw;
    
    }
    
    #index-bottom-wechat[on='1'] >  #index-bottom-wechat-qr{
        height: 28vw;
        margin-top: -28.5vw;
    
    }
    
    #index-bottom-to-top{
        width: 13.33vw;
        height: 13.33vw;
        margin-right: 43.33vw;
        margin-top: -20vw;
    }

    #index-bottom-to-top::before{
        width: 13.33vw;
        height: 13.33vw;
    }
    
    #index-bottom-line-down{
        margin-top: 6.67vw;
        margin-left: 28.8vw;
        margin-right: 28.8vw;
        width: 42.4vw;
    }
    
    #index-bottom-copyright{
        margin-left: 9.75vw;
        margin-top: 16.53vw;
        height: 3.47vw;
        width: 80.5vw;
    }

}