body {
    margin: 0;
    padding: 0;
    font-size: 14px;
    line-height: 1.5;
    color: #333;
    background-color: #414040;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}
#logo{
    width: 356px; /* 根据需要设置宽度 */
    height: 106px; /* 根据需要设置高度 */
    background: url('/index/img/kte2.png') center/cover no-repeat;
}
#book{
    display: flex;
    position: relative;
    width: 620px;
    height: 844.5px;
    margin: 0 auto;
    cursor: pointer;
}
.page{    
    display: flex;
    width: 620px;
    height: 844.5px;
    margin: 0 auto;
    position: absolute; 
    top: 0; 
    left: 0; 
}
.left-corner,.right-corner{
    position: absolute;
    top: 1%;
    font-size: 42px;
    color: rgba(240, 235, 235, 0.842);
    text-shadow: 5px 10px 10px rgba(53, 53, 53, 1);
    opacity: 0;
}

.left-corner {
    left: -2%;
}
.right-corner {
    left: 96%;
}