@charset "UTF-8";

header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1;
}

.lesson-page {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    overflow: hidden;
}

.lesson-stage-scroll {
    width: 100%;
    overflow-y: auto;
}

.lesson-page-left,
.lesson-page-right {
    width: 50%;
}

.lesson-page-container {
    display: flex;
}

.ls-content {
    max-width: 50%;
    margin: 0 auto;
}

.ls-content .login-title {
    margin-bottom: 25px;
}

.ls-item-style {
    display: flex;
    justify-content: space-between;
    padding: 5px 10px;
    border: 1px solid var(--site-blue);
    margin-bottom: 6px;
    border-radius: 5px;
    font-size: 18px;
    width: 100%;
    cursor: pointer;
}


.lsr-item {
    position: relative;
    width: 100%;
    display: block;
}

.lsr-item input {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    right: 15px;
    width: 20px;
    height: 20px;
    border: 1px solid var(--site-blue);
    background-color: transparent;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    border-radius: 50%;
}
.lsr-item input:checked~.ls-item-style {
    background-color: var(--site-blue);
    color: #fff;
}

.lsr-item input:checked {border-color: #fff;background-color: #fff;}

.ls-btns {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.lesson-page-left {
    padding-top: 150px;
    padding-bottom: 30px;
    display: flex;
    justify-content: center;
}

.lesson-page-right {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lesson-page-right img {
    max-width: 40%;
}
.lesson-page-right.stage-full-img {
    display: block;
}

.lesson-page-right.stage-full-img img {
    width: 100%;
    height: 100%;
    max-width: 100%;
    object-fit: cover;
}

@media only screen and (max-width: 1199px) {
    .ls-content {
        max-width: 100%;
        padding: 0 30px;
    }
}

@media only screen and (max-width: 991px) {
    .ls-content .login-title {
        font-size: 23px;
    }
}

@media only screen and (max-width: 767px) {
    .lesson-page-container {
        display: block;
    }
    
    .lesson-page-left {
        width: 100%;
        position: relative;
        z-index: 9;
    }
    
    .lesson-page-right {
        position: absolute;
        top: 0;
        right: 0;
        bottom: 0;
        min-width: 50%;
        opacity: 0.1;
        z-index: -1;
    }
}