.knobs,
.layer {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
}
 
.button {
    position: relative;
    /* top: 50%; */
    width: 6rem;
    height: 3rem;
    /* margin: -20px auto 0 auto; */
    overflow: hidden;
}
 
.button.r,
.button.r .layer {
    border-radius: 100px;
}
 

 
.checkbox {
    position: relative;
    width: 100%;
    height: 100%;
    padding: 0;
    margin: 0;
    opacity: 0;
    cursor: pointer;
    z-index: 3;
    outline: #000 solid 1px;
}

.knobs {
    z-index: 2;
}
 
.layer {
    width: 100%;
    background-color: #ebf7fc;
    transition: 0.3s ease all;
    z-index: 1;
}
 

/* 小圆圈 */
#button-9 .knobs:before,
#button-9 .knobs:after,
#button-9 .knobs span {
    position: absolute;
    top: 0.25rem;
    width: calc(3rem - 0.5rem);
    height: calc(3rem - 0.5rem);
    font-size: 10px;
    font-weight: bold;
    text-align: center;
    /* padding: 0.5rem 0.1rem; */
    /* padding: auto; */
    border-radius: 50%;
    transition: 0.4s cubic-bezier(0.18, 0.89, 0.35, 1.15) all;
    /* align-items: center; */
    margin: auto;
}
 

#button-9 .knobs:before {
    content: '   ';
    left: 0.75rem;
    top: 0.75rem;
    background-image: url(../wenjianjia.svg);
    background-size: contain; /* 确保图片缩放以适应按钮 */
    background-position: center; /* 将图片居中 */
    background-repeat: no-repeat; /* 防止图片重复 */
    width: calc(3rem - 1.5rem);
    height: calc(3rem - 1.5rem);
    border-radius: 0;
    color: #fff;
    display: inline-block; /* 确保其作为行内元素 */
    line-height: 26px; /* 确保文本和图片对齐 */
}



#button-9 .knobs:after {
    content: '   ';
    right: -3rem;
    top: 0.75rem;
    background-image: url(../zhongduan.svg);
    background-size: contain; /* 确保图片缩放以适应按钮 */
    background-position: center; /* 将图片居中 */
    background-repeat: no-repeat; /* 防止图片重复 */
    width: calc(3rem - 1.5rem);
    height: calc(3rem - 1.5rem);
    border-radius: 0;
    color: #fff;
    display: inline-block; /* 确保其作为行内元素 */
    line-height: 16px; /* 确保文本和图片对齐 */

}


#button-9 .knobs:before,
#button-9 .knobs:after {
    color: #fff;
    z-index: 2;
}
 
#button-9 .knobs span {
    left: 4px;
    background-color: #03a9f4;
    z-index: 1;
}
 
#button-9 .checkbox:checked + .knobs:before {
    left: -24px;
}
 
#button-9 .checkbox:checked + .knobs:after {
    right: 10px;
}
 
#button-9 .checkbox:checked + .knobs span {
    left: calc(3rem + 5px);
    background-color: #02003a;
}
 
#button-9 .checkbox:checked ~ .layer {
    background-color: #f0fceb;
}