.cb {
    position: fixed;
    top: 60vh;
    width: 150px;
    height: 300px;
    transition: transform 1s ease;
    transform: translatex(100vw) translatex(-200px);
    z-index: 9999999999;
}
.cbmove{
    transition: transform 1s ease;
    transform: translatex(100vw) translatex(-100px);
}
.rotate-180 {
    transform: rotate(180deg);
    transition: transform 0.3s ease; /* 添加过渡效果，使旋转更平滑 */
}
.cbnr {
    position: relative;
    top: 0;
    left: 90px;
    width: 60px;
    height: auto;
    background-color: #ffffff;
    box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.5);
    border-radius: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.tbb {
    width: 50px;
    height: 50px;
    border-radius: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 5px;
    margin-bottom: 5px;
    transition: background 0.3s; /* 添加过渡效果 */
    cursor: pointer;
}

.tbb:hover {
    background: linear-gradient(135deg, rgb(2, 213, 184), rgb(35, 109, 233)); /* 鼠标悬停时的渐变背景 */
}

.tbb>img {
    width: 30px;
    height: 30px;
}

.cbactive {
    position: relative;
    left: 60px;
    width: 40px;
    height: 40px;
    top: 80px;
    background: linear-gradient(135deg, rgb(2, 213, 184), rgb(35, 109, 233));
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cbactive>img {
    width: 15px;
    height: 15px;
}

.backtop {
    position: relative;
    top: 20px;
    left: 90px;
    width: 60px;
    height: 60px;
    background-color: #ffffff;
    box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.5);
    border-radius: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
}
/* 信息小框样式 */
.phonenr,.wechatnr {
    position: relative;
    top: -200px;
    right: 140px;
    width: 200px;
    height: 0px;
    background-color: #ffffff;
    box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.5);
    transition: height 1s ease;
    overflow: hidden;
    display: block;
}
.widther{
    height: 100px;
}
.widther1{
    height: 100px;
}
.phonenr>h3,.wechatnr>h3{
    width: 200px;
    margin-top: 5px;
    font-size: 15px;
    font-weight: normal;
    color: rgb(18, 150, 219);
    text-align: center;
}
.phonenr>h2,.wechatnr>h2{
    font-size: 20px;
    font-weight: normal;
    text-align: center;
    padding-top: 5px;
}
.wechatnr {
    top: -140px;
}