div.dtdc-chapter2 {
    background-image: url(https://book.img.zhangyue01.com/group61/M00/8B/91/CmQUOV-zO1iEFK2LAAAAABYpQME108902387.png?v=eOkpM8Uw&t=CmQUOV-zO1g.);
    background-repeat: no-repeat;
    background-position: top center;
    background-size: 5.2em;
    font-family: "ZY-HEITI","方正悠黑";
    font-size: 18px;
}
h1.text-title-num2 {
    color: #D21322;
    font-family: "ZY-HEITI","方正悠黑";
    font-size: 18px;
    width: 5.2em;
    border-top: 4px solid #D21322;
    border-bottom: 4px solid #D21322;
    text-align: center;
    line-height: 1.2em;
    margin: 1.5em auto 1em;
}
div.dtdc-chapter4 {
    background-image: url(https://book.img.zhangyue01.com/group61/M00/8B/91/CmQUOV-zO1iEFK2LAAAAABYpQME108902387.png?v=eOkpM8Uw&t=CmQUOV-zO1g.);
    background-repeat: no-repeat;
    background-position: top center;
    background-size: 2.6em;
    font-family: "ZY-HEITI","方正悠黑";
    font-size: 18px;
}
h1.text-title-num4 {
    color: #D21322;
    font-family: "ZY-HEITI","方正悠黑";
    font-size: 18px;
    width: 2.6em;
    border-top: 4px solid #D21322;
    border-bottom: 4px solid #D21322;
    text-align: center;
    line-height: 1.2em;
    margin: 1em auto 1em;
}
div {
    background-color: transparent;
}
sup {
    font-size: 0.6em;
    vertical-align: top;
}
sub {
    font-size: 0.6em;
    vertical-align: bottom;
}
rt {
    font-size: 0.6em;
    font-family: "ZY-SANSSERIF", "Questrial";
}
h1.text-title-1-c1 {
    font-size: 26px;
    font-family: "ZY-XIAOBIAOSONG","方正小标宋";
    font-weight: normal;
    color: #000000;
    text-align: left;
    line-height: 1.2em;
    margin: 0 0 1.8em 0;
    padding-top: 1.3em;
    background-image: url(https://book.img.zhangyue01.com/group61/M00/8B/46/CmQUOF-zO1iEcyDzAAAAAM_BuJA559026331.png?v=Tn086RZB&t=CmQUOF-zO1g.);
    background-repeat: no-repeat;
    background-position: top left;
    background-size: 3em;
}
p.copyright-text {
    font-family: "ZY-FANGSONG", "方正仿宋";
    font-weight: normal;
    text-align: justify;
    font-size: 16px;
    line-height: 1.3em;
    margin-bottom: 1em;
    zy-fontsize-adjust: fixed;
    color: #ffffff;
}
p.bodytext {
    font-family: "ZY-ZW-HEITI","方正悠黑";
    zy-text-type: main-body;
    font-size: 16px;
    text-indent: 2em;
    margin-top: 0;
}
h1.text-title-1 {
    font-size: 26px;
    font-family: "ZY-XIAOBIAOSONG","方正小标宋";
    font-weight: normal;
    color: #ffffff;
    text-align: center;
    line-height: 1.2em;
    margin: 0 0 0.5em 0;
}
h1.sub-title-1 {
    font-family: "ZY-HEITI","方正悠黑";
    font-size: 18px;
    line-height: 1.2em;
    color: #000000;
    font-weight: normal;
    margin: 20% auto 0.2em 0;
    border: 3px solid #000000;
    width: 1.2em;
    text-align: center;
    padding-top: 0.1em;
}
h1.text-title-1-c {
    font-size: 26px;
    font-family: "ZY-XIAOBIAOSONG","方正小标宋";
    font-weight: normal;
    color: #000000;
    text-align: left;
    line-height: 1.2em;
    margin: 25% 0 1.8em 0;
    padding-top: 1.3em;
    background-image: url(https://book.img.zhangyue01.com/group61/M00/8B/46/CmQUOF-zO1iEcyDzAAAAAM_BuJA559026331.png?v=Tn086RZB&t=CmQUOF-zO1g.);
    background-repeat: no-repeat;
    background-position: top left;
    background-size: 3em;
}
p.preface-text {
    font-family: "ZY-FANGSONG", "方正仿宋";
    font-size: 16px;
    text-indent: 2em;
}
p.bodytext-kt-np {
    font-family: "ZY-KAITI", "方正新楷体";
    font-size: 16px;
    text-indent: 2em;
}
p.bodytext-kt-first-np {
    font-family: "ZY-KAITI", "方正新楷体";
    font-size: 16px;
    text-indent: 2em;
    margin-top: 1.3em;
}
p.bodytext-kt-last-np {
    font-family: "ZY-KAITI", "方正新楷体";
    font-size: 16px;
    text-indent: 2em;
    margin-bottom: 1.3em;
}
p.bodytext-kt-only-np {
    font-family: "ZY-KAITI", "方正新楷体";
    font-size: 16px;
    text-indent: 2em;
    margin-top: 1.3em;
    margin-bottom: 1.3em;
}
p.inscribed-right {
    margin-top: 1.3em;
    margin-bottom: 1.3em;
    font-family: "ZY-KAITI", "方正新楷体";
    font-size: 16px;
    font-weight: normal;
    text-align: right;
}
div.zhangyue-m {
    height: 100%;
    vertical-align: middle;
}
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: url(https://book.img.zhangyue01.com/group61/M00/8B/46/CmQUOF-zO1iEcUX_AAAAADuR2Yw776784897.jpg?v=U4kAPHHM&t=CmQUOF-zO1g.);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: right bottom;
}
h4.copyright-title {
    font-size: 24px;
    font-family: "ZY-XIHEITI", "方正悠黑 511M";
    font-weight: normal;
    text-align: justify;
    line-height: 1em;
    margin-bottom: 1em;
    zy-fontsize-adjust: fixed;
    color: #ffffff;
}
p.copyright-text1 {
    font-family: "ZY-FANGSONG", "方正仿宋";
    font-weight: normal;
    text-align: justify;
    color: #ffffff;
    font-size: 14px;
    line-height: 1em;
    zy-fontsize-adjust: fixed;
}
div.dtdc-chapter1 {
    background-image: url(https://book.img.zhangyue01.com/group61/M00/8B/91/CmQUOV-zO1iEFK2LAAAAABYpQME108902387.png?v=eOkpM8Uw&t=CmQUOV-zO1g.);
    background-repeat: no-repeat;
    background-position: top center;
    background-size: 4.2em;
    font-family: "ZY-HEITI","方正悠黑";
    font-size: 18px;
}
h1.text-title-num1 {
    color: #D21322;
    font-family: "ZY-HEITI","方正悠黑";
    font-size: 18px;
    width: 4.2em;
    border-top: 4px solid #D21322;
    border-bottom: 4px solid #D21322;
    text-align: center;
    line-height: 1.2em;
    margin: 1.3em auto 1em;
}
div.dtdc-chapter {
    background-image: url(https://book.img.zhangyue01.com/group61/M00/8B/91/CmQUOV-zO1iEFK2LAAAAABYpQME108902387.png?v=eOkpM8Uw&t=CmQUOV-zO1g.);
    background-repeat: no-repeat;
    background-position: top center;
    background-size: 3.2em;
    font-family: "ZY-HEITI","方正悠黑";
    font-size: 18px;
}
img.dtdc-bg-img {
    width: 100%;
}
div.dtdc-bg {
    width: 100%;
    margin: 0 0 1.8em 0;
    font-size: 18px;
}
h1.text-title-num {
    color: #D21322;
    font-family: "ZY-HEITI","方正悠黑";
    font-size: 18px;
    width: 3.2em;
    border-top: 4px solid #D21322;
    border-bottom: 4px solid #D21322;
    text-align: center;
    line-height: 1.2em;
    margin: 1.2em auto 1em;
}
img.dtdc-section-img {
    width: 20%;
}
div.dtdc-section {
    width: 100%;
    margin: 25% auto 2em;
    font-size: 16px;
    text-align: center;
}