.banner {
    width: max-content;
    margin: 0 auto;
    padding-top: 200px;
    margin-bottom: 160px;
}

.banner div {
    width: 1000px;
    height: 300px;
    background: #FFB0A0;
    border-radius: 60px 60px 60px 60px;
    margin: 0 auto;
}

.banner-left {
    position: absolute;
    bottom: 0;
    width: 487px;
    transition: 1s;
    left: -487px;
}

.banner-right {
    position: absolute;
    bottom: 54px;
    height: 173px;
    transition: 1s;
    right: -428px;
}


.course {
    transform: translate(0, -16px) scale(.6);
    transition: 1s;
}

.cont {
    width: 100%;
    height: max-content;
    background: #FFFFFF;
    box-shadow: 0px 0px 8px 0px rgba(0, 0, 0, 0.1);
    border-radius: 40px;
    padding: 60px;
}

.cont+.cont {
    margin-top: 100px;
}

.tabs {
    background: #fff;
    padding-top: 120px;
    padding-bottom: 20px;
    margin-bottom: 80px;
    position: sticky;
    left: 0;
    top: 0;
    z-index: 1;
}

.btn {
    border-radius: 30px;
    box-shadow: 0px 0px 8px 0px rgba(0, 0, 0, 0.1);
    padding: 20px 30px;
    min-width: 200px;
    height: 112px;
    background: #fff;
    transition: 1s;
    cursor: pointer;
}


.btn p {
    margin-bottom: 4px;
    position: absolute;
    top: 46px;
    left: 30px;
}

.btn span {
    font-weight: 400;
    font-size: 14px;
    position: absolute;
    top: 46px;
    left: 30px;
    right: 30px;
}


.btn.on p {
    top: 20px;
}


.btn.on span {
    top: 50px;
}

.btn b {
    font-weight: 600;
    font-size: 18px;
}

.btn img {
    width: 20px;
    margin-right: 10px;
}


.btn2 {
    margin-left: 30px;
    margin-right: 30px;

}

.btn.on img.on {
    display: block;
}

.btn.on {
    flex: 1;
}

.btn.on img.no {
    display: none;
}

.btn img.on {
    display: none;
}

.btn1.on {
    background: #8BAEFF;
}

.btn2.on {
    background: #FFA480;
}

.btn3.on {
    background: #DA9AFF;
}

.btn1 b {
    color: #8BAEFF;
}

.btn2 b {
    color: #FFA480;
}

.btn3 b {
    color: #DA9AFF;
}

.btn span {
    display: none
}

.btn.on span {
    display: block;
    color: #fff;
}

.btn.on b {
    color: #fff;
}

.box2,
.box3 {
    display: none;
}

.btn2 p {
    transform: translate(12px, 0);
}

.btn2.on p {
    transform: translate(0, 0);
}