div.* {
    background-color: transparent;
}
div.background-img-center {
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center center;
    zy-fontsize-adjust: fixed;
}
h1.xf-xy1 {
    background-color: #23592B;
    width: 50%;
    margin-left: -4em;
    margin-top: 15%;
    margin-bottom: 1.5em;
    font-family: "ZY-XIAOBIAOSONG","羿创中宋";
    font-size: 20px;
    line-height: 1.2em;
    color: #fff;
    font-weight: normal;
    text-align: center;
}
h2.text-title-2 {
    font-family: "ZY-XIAOBIAOSONG","羿创中宋";
    font-size: 20px;
    line-height: 1.2em;
    color: #23592B;
    font-weight: normal;
    text-align: center;
    padding: 20% 20% 0;
    margin: 0 0 2.5em;
}
p.bodytext {
    font-family: "ZY-ZW-HEITI"  ,"方正兰亭黑";
    zy-text-type: main-body;
    font-size: 16px;
    text-indent: 2em;
}
p.preface-text {
    font-family: "ZY-FANGSONG", "羿创仿宋";
    font-size: 16px;
    text-indent: 2em;
}
img.zhangyue-img {
    width: 60%;
}
div.zhangyue-c {
    width: 100%;
    margin: 0.5em auto 0.5em;
    text-align: center;
}
div.copyright-basemap {
    text-align: justify;
    background: url(../Images/copyright.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: right bottom;
    zy-fontsize-adjust: fixed;
}
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;
}
p.img-note {
    margin-top: 0.5em;
    margin-bottom: 0.5em;
    font-family: "ZY-KAITI", "羿创楷体";
    font-size: 14px;
    color: #696969;
    text-align: center;
}
sup.* {
    font-size: 0.65em;
    vertical-align: top;
}
sub.* {
    font-size: 0.65em;
    vertical-align: bottom;
}
div.ad-bg {
    background-image: url(https://book.img.zhangyue01.com/group61/M00/62/BC/CmQUOV5wYy6EYVHRAAAAAL7rvYU845205137.png?v=ofaG-zDE&t=CmQUOV5wYy4.);
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    zy-fontsize-adjust: fixed;
}
div.ad-divBg {
    background-image: url(https://book.img.zhangyue01.com/group61/M00/62/A4/CmQUOF5wYy6EfM6RAAAAANRzB3U540804717.png?v=khytXGPr&t=CmQUOF5wYy4.);
    background-size: contain;
    background-position: center center;
    background-repeat: no-repeat;
    width: 80%;
    height: 50%;
    margin: 30% auto auto;
}
p.ad-chapters {
    font-family: "ZY-HEITI" ,"方正兰亭黑";
    font-size: 22px;
    line-height: 1.5em;
    color: #22401E;
    font-weight: normal;
    text-align: center;
    margin: 70% auto 0;
    width: 60%;
    zy-fontsize-adjust: fixed;
}
h1.ad-h1-c {
    font-family: "ZY-HEITI" ,"方正兰亭黑";
    font-size: 24px;
    line-height: 1.5em;
    color: #22401E;
    font-weight: normal;
    margin-top: 10%;
    zy-fontsize-adjust: fixed;
    text-align: center;
}