div.preface-box {
    margin: 10% 0 15%;
    padding: 5.5em 0 0 0;
    font-size: 25px;
    background-image: url(https://book.img.zhangyue01.com/group61/M00/DA/38/CmQUOVz_kiqEU3YzAAAAAGBMhqo800787997.jpg?v=J8UsVB9l&t=CmQUOVz_kio.);
    background-color: #ffffff;
    background-size: 12em;
    background-position: top center;
    background-repeat: no-repeat;
}
h1.title-preface {
    margin: 0;
    font-family: "ZY-XIAOBIAOSONG", "羿创中宋";
    font-size: 25px;
    font-weight: normal;
    line-height: 1.3em;
    color: #000000;
    text-align: center;
}
div.* {
    background-color: transparent;
}
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-zh {
    font-family: "ZY-XIHEITI", "羿创中黑";
    font-size: 16px;
    text-indent: 2em;
}
p.inscribed-right {
    margin-top: 1.3em;
    margin-bottom: 1.3em;
    font-family: "ZY-KAITI", "羿创楷体";
    font-size: 16px;
    font-weight: normal;
    text-align: right;
}
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;
}