div.chapter-bg {
    background: url(https://book.img.zhangyue01.com/group61/M00/FA/3D/CmQUOF5rVYSEbPrCAAAAAKQ2Xm8568588689.png?v=z214n3qc&t=CmQUOF5rVYQ.);
    background-repeat: no-repeat;
    background-size: contain;
    background-position: center bottom;
    zy-fontsize-adjust: fixed;
    height: 600px;
}
img.chapter-zs {
    width: 4em;
    font-size: 22px;
}
div.chapter {
    text-align: justify;
    background: url(https://book.img.zhangyue01.com/group61/M00/FA/3F/CmQUOV5rVYSEcwSkAAAAAAn4CgM117538136.png?v=Azd4IUWP&t=CmQUOV5rVYQ.);
    background-size: cover;
    background-repeat: repeat-x;
    background-position: center center;
    padding: 1em 10%;
    margin: 0;
}
h1.chapter-title {
    color: #000000;
    font-size: 26px;
    font-family: "ZY-XIHEITI", "羿创中黑";
    font-weight: normal;
    text-align: center;
    margin: 0;
}
span.color {
    color: #e30079;
    font-size: 30px;
    font-family: "ZY-HEITI", "方正兰亭黑";
    font-weight: normal;
}
div.box-color {
    margin-top: 20%;
    margin-bottom: 2em;
    padding: 0.5em 0.3em;
    width: 5em;
}
h1.preface {
    margin: 0;
    font-family: "ZY-XIAOBIAOSONG","羿创中宋";
    font-size: 24px;
    font-weight: normal;
    color: #ffffff;
    background: #de4396;
    line-height: 1.2em;
    text-align: center;
}
div.* {
    background-color: transparent;
}
h3.text-title-3 {
    font-family: "ZY-HEITI" ,"方正兰亭黑";
    font-size: 18px;
    line-height: 1.2em;
    color: #e30079;
    font-weight: normal;
    margin-top: 2em;
    margin-bottom: 1.5em;
    text-align: justify;
}
p.bodytext {
    font-family: "ZY-ZW-HEITI"  ,"方正兰亭黑";
    zy-text-type: main-body;
    font-size: 16px;
    text-indent: 2em;
    margin-top: 0;
}
p.preface-text {
    font-family: "ZY-FANGSONG", "羿创仿宋";
    font-size: 16px;
    text-indent: 2em;
}
p.bodytext-kt-np {
    font-family: "ZY-KAITI", "羿创楷体";
    font-size: 16px;
    text-indent: 2em;
}
img.zhangyue-img {
    width: 100%;
}
img.zhangyue-img-h1 {
    height: 1em;
    vertical-align: middle;
    margin-right: 0.3em;
}
div.zhangyue-c {
    width: 100%;
    margin: 1.3em auto;
    text-align: center;
}
div.zhangyue-c60 {
    width: 60%;
    margin: 1.3em auto;
    text-align: center;
}
div.background-img-center {
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center center;
    zy-fontsize-adjust: fixed;
}
div.copyright-basemap {
    text-align: justify;
    background: ;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: right bottom;
}
h4.copyright-title {
    font-size: 24px;
    font-family: "ZY-XIHEITI", "羿创中黑";
    font-weight: normal;
    text-align: justify;
    line-height: 1em;
    margin-bottom: 1em;
    zy-fontsize-adjust: fixed;
}
p.copyright-text {
    font-family: "ZY-FANGSONG", "羿创仿宋";
    font-weight: normal;
    text-align: justify;
    font-size: 16px;
    line-height: 1.3em;
    margin-bottom: 1em;
    zy-fontsize-adjust: fixed;
}
p.copyright-text1 {
    font-family: "ZY-FANGSONG", "羿创仿宋";
    font-weight: normal;
    text-align: justify;
    color: #676767;
    font-size: 14px;
    line-height: 1em;
    zy-fontsize-adjust: fixed;
}
img.zhangyue-footnote {
    width: 0.8em;
}
sup.* {
    font-size: 0.6em;
    vertical-align: top;
}
sub.* {
    font-size: 0.6em;
    vertical-align: bottom;
}