.btn_tutorial_pagina {
    position: fixed;
    right: 24px;
    bottom: 24px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #6C5CE7;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: Georgia, serif;
    font-weight: bold;
    font-size: 20px;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0,0,0,0.25);
    z-index: 100000;
    user-select: none;
}
.btn_tutorial_pagina:hover {
    background: #5a4bd1;
}

@media only screen and (max-width: 700px) {
    .btn_tutorial_pagina {
        right: 16px;
        bottom: 76px;
    }
}

.back_tutorial_modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    z-index: 100000;
    align-items: center;
    justify-content: center;
}

.box_tutorial_modal {
    background: #fff;
    width: 90%;
    max-width: 560px;
    max-height: 85vh;
    overflow-y: auto;
    border-radius: 10px;
    padding: 24px;
    position: relative;
}

.box_tutorial_modal .fechar_tutorial_modal {
    position: absolute;
    top: 12px;
    right: 16px;
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
    color: #999;
}
.box_tutorial_modal .fechar_tutorial_modal:hover {
    color: #333;
}

.box_tutorial_modal h3 {
    margin: 0 0 16px 0;
    padding-right: 24px;
}

.box_tutorial_modal .conteudo_tutorial_modal {
    font-size: 14px;
    color: #333;
    line-height: 1.5;
}

.box_tutorial_modal .video_tutorial_modal {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    margin-top: 16px;
    border-radius: 6px;
    overflow: hidden;
}
.box_tutorial_modal .video_tutorial_modal iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.box_tutorial_modal .link_tutorial_modal {
    display: inline-block;
    margin-top: 16px;
    color: #6C5CE7;
    font-weight: bold;
    text-decoration: none;
}
.box_tutorial_modal .link_tutorial_modal:hover {
    text-decoration: underline;
}