* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

 :root {
    --color-text: #333333;
    --color-gray: #999999;
}

.container {
    width: 1440px;
    margin: 0 auto;
}

.leftContainer {
    width: 972px;
}

.mainBox {
    margin-top: 40px;
}

.book {
    /* display: flex; */
    margin-bottom: 30px;
}

.booktop {
    display: flex;
    height: auto;
    width: 100%;
    background: url('../images-detail/booktop.png') no-repeat center top;
    position: relative;
    padding-bottom: 66px;
}

.booktop::after {
    position: absolute;
    content: "";
    background: url(../images-detail/bookmiddle.png);
    width: 100%;
    height: calc(100% - 829px);
    bottom: 0;
    z-index: -2;
}

.booktop .left {
    width: 1260px;
    height: auto;
    padding-left: 97px;
    padding-top: 40px;
    padding-right: 40px;
}

.booktop .left .top {
    display: flex;
    justify-content: space-between;
}

.booktop .left .top a {
    width: 100px;
    height: 36px;
    border-radius: 18px;
    display: block;
    line-height: 34px;
    font-size: 16px;
    padding-left: 43px;
    color: var(--color-gray);
    border: 1px solid #e1e1e1;
    background: url(../images-detail/more.png) no-repeat center left 20px;
}

.booktop .left .top p {
    font-size: 16px;
    color: var(--color-gray);
    text-indent: 2em;
}

.booktop .left .title {
    width: 954px;
    font-size: 38px;
    line-height: 60px;
    margin: 0 auto;
    font-weight: bold;
    color: var(--color-text);
    margin-top: 40px;
    text-align: center;
}

.booktop .left .wh {
    width: fit-content;
    font-size: 18px;
    color: var(--color-gray);
    margin: 0 auto;
    margin-top: 25px;
    margin-bottom: 30px;
}

.booktop .left .line {
    margin-bottom: 25px;
    width: 100%;
    height: 5px;
    background: url(../images-detail/line.png) no-repeat center;
}

.booktop .left .content {
    font-size: 18px;
    color: #333333;
    line-height: 36px;
    text-align: justify;
    font-family: "微软雅黑";
}

.booktop .left .content * {
    font-size: 18px;
    color: #333333 !important;
    line-height: 36px;
    font-family: "微软雅黑" !important;
    background: none !important;
}

.booktop .left .content img {
    max-width: 100% !important;
    height: auto !important;
}

.booktop .left .content iframe {
    max-width: 100% !important;
}

.booktop .left .content table {
    max-width: 100% !important;
}

.booktop .left .content video {
    max-width: 100% !important;
}

.video-js {
    margin: 0 auto !important;
    display: block;
}

.fontSize22 * {
    font-size: 22px !important;
    line-height: 44px !important;
}

.fontSize20 * {
    font-size: 20px !important;
    line-height: 40px !important;
}

.fontSize18 * {
    font-size: 18px !important;
    line-height: 36px !important;
}

.fontSize16 * {
    font-size: 16px !important;
    line-height: 32px !important;
}

.fontSize14 * {
    font-size: 14px !important;
    line-height: 28px !important;
}

.bootbottm {
    width: 100%;
    height: 59px;
    background: url(../images-detail/bookbottom.png) no-repeat center;
}

.booktop .right {
    position: relative;
    width: 180px;
    padding-left: 60px;
    padding-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.right .fontplus {
    height: 36px;
    cursor: pointer;
    background: url(../images-detail/A+.png) no-repeat center left;
}

.right .fontsmall {
    height: 36px;
    cursor: pointer;
    background: url(../images-detail/A-.png) no-repeat center left;
}

.right .print {
    height: 36px;
    cursor: pointer;
    background: url(../images-detail/print.png) no-repeat center left;
}

.right .speak {
    height: 36px;
    cursor: pointer;
    background: url(../images-detail/speak.png) no-repeat center left;
}

.right .pause {
    background: url(../images-detail/speak2.png) no-repeat center left;
}

@media (max-width: 750px) and (min-width: 320px) {
    body,
    html {
        min-width: 3.2rem;
    }
    .container {
        width: 6.9rem;
        margin-bottom: .3rem;
    }
    .mainBox {
        margin-top: .4rem;
        background-color: #ffffff;
        box-sizing: border-box;
        padding-top: .4rem;
    }
    .booktop {
        background: none;
        display: block;
        padding-bottom: 0;
        position: relative;
    }
    .booktop::after {
        background: none;
    }
    .booktop .left {
        width: 100%;
        padding: 0;
        float: left;
    }
    .booktop .right {
        width: .72rem;
        position: absolute;
        padding: 0;
        left: 2.3rem;
        top: 0;
        display: block;
    }
    .booktop .right div {
        width: .72rem;
        height: .72rem;
        float: right;
    }
    .booktop .right div.fontplus,
    .booktop .right div.fontsmall,
    .booktop .right div.print {
        display: none;
    }
    .bootbottm {
        display: none !important;
    }
    .booktop .left .top p {
        line-height: .72rem;
    }
    .booktop .left .title {
        width: 100%;
        font-size: .38rem;
        line-height: .6rem;
        margin-top: .4rem;
    }
    .booktop .left .wh {
        font-size: .28rem;
        text-align: left;
        margin: 0;
        margin-top: .4rem;
        margin-bottom: .4rem;
    }
    .booktop .left .line {
        margin-bottom: .25rem;
    }
    .booktop .left .content {
        font-size: .32rem;
        line-height: .56rem;
    }
    .booktop .left .content * {
        font-size: .32rem;
        line-height: .56rem;
    }
}