.bodycontent {
    display: block;
    font-size: 1em;
    line-height: 1.5em;
    text-align: justify;
    text-indent: 2em;
    margin: 0.5em 0
    }
.bodycontent-1-c {
    display: block;
    font-size: 1em;
    line-height: 1.5em;
    text-align: center;
    text-indent: 0;
    margin: 0.5em 0
    }
.bodycontent-1-top {
    display: block;
    font-size: 1em;
    line-height: 1.5em;
    text-align: justify;
    text-indent: 2em;
    margin: 1.3em 0 0.5em
    }
.bodycontent-first-title {
    display: block;
    font-size: 1.41667em;
    font-weight: bold;
    line-height: 1.2;
    text-align: center;
    margin: 0.5em 0 2.5em
    }
.bodycontent-second-title {
    display: block;
    font-size: 1.41667em;
    font-weight: bold;
    line-height: 1.2;
    text-align: center;
    margin: 1.5em 0 0.8em
    }
.bodycontent-text {
    display: block;
    text-indent: 2em;
    margin: 1em 0
    }
.bodycontent-text_center {
    display: block;
    font-weight: bold;
    text-align: center;
    margin: 1em 0
    }
.bodycontent-text_right {
    display: block;
    text-align: right;
    margin: 1em 0
    }
.bodycontent-text_yinwen {
    display: block;
    font-size: 1em;
    line-height: 1.5;
    text-indent: 2em;
    margin: 1em 0
    }
.bodycontent-text_yinwen-title {
    display: block;
    font-size: 1.125em;
    margin: 2.5em 0 0.5em
    }
.bodycontent-third-title {
    display: block;
    font-size: 1.125em;
    font-weight: bold;
    margin: 1em 0 0.7em
    }
.boxblock {
    background-color: #DCDCDC;
    border-radius: 0;
    display: block;
    text-align: left;
    vertical-align: middle;
    padding: 0.5em;
    margin: 1em 0;
    border: #000 solid 1px
    }
.boxblock1 {
    border-radius: 0;
    display: block;
    text-align: left;
    vertical-align: middle;
    padding: 0.5em;
    margin: 1em 0;
    border: #000 solid 1px
    }
.boxcontent {
    display: block;
    font-size: 1em;
    line-height: 1.5em;
    text-align: justify;
    text-indent: 0;
    margin: 0.5em 0 0.5em 2em
    }
.calibre {
    display: block;
    font-size: 1em;
    line-height: 1.5;
    padding-left: 0;
    padding-right: 0;
    text-align: justify;
    margin: 0 5pt
    }
.calibre1 {
    color: #00C
    }
.calibre2 {
    display: block;
    font-size: 1em;
    padding-left: 0;
    padding-right: 0;
    margin: 0 5pt
    }
.calibre3 {
    display: block;
    text-align: center;
    padding: 0;
    margin: 0
    }
.calibre4 {
    display: block
    }
.calibre5 {
    height: auto;
    width: auto
    }
.calibre6 {
    font-weight: bold
    }
.calibre7 {
    background-color: transparent;
    display: block;
    font-size: 1em;
    padding-left: 0;
    padding-right: 0;
    margin: 0 5pt
    }
.calibre8 {
    display: block
    }
.calibre9 {
    height: 100%;
    width: auto
    }
.calibre10 {
    color: gray;
    display: block;
    height: 2px;
    margin: 0.5em auto;
    border: currentColor inset 1px
    }
.calibre11 {
    font-style: italic;
    line-height: 1.2
    }
.calibre12 {
    display: block;
    line-height: 1.2
    }
.calibre13 {
    color: black;
    font-weight: bold
    }
.calibre14 {
    display: list-item
    }
.calibre15 {
    font-style: italic
    }
.chatu_img {
    display: block;
    text-align: center;
    vertical-align: middle;
    padding: 0;
    margin: 1em 0
    }
.contents {
    display: block;
    font-size: 1em;
    line-height: 1.2em;
    text-align: left;
    text-indent: 0;
    margin: 0.2em 0
    }
.contents1 {
    display: block;
    font-size: 1em;
    line-height: 1.2em;
    text-align: left;
    text-indent: 0;
    margin: 0.2em 0 0.2em 2em
    }
.contents2 {
    display: block;
    font-size: 1em;
    line-height: 1.2em;
    text-align: left;
    text-indent: 0;
    margin: 0.2em 0 0.2em 4em
    }
.contents3 {
    display: block;
    font-size: 1em;
    line-height: 1.2em;
    text-align: left;
    text-indent: 0;
    margin: 0.2em 0 0.2em 6em
    }
.hang-boxcontent {
    color: black;
    display: block;
    font-size: 1em;
    line-height: 1.5em;
    text-align: justify;
    text-indent: -2em;
    margin: 0.5em 0 0.5em 2em
    }
.image-alone {
    height: auto;
    margin-bottom: 0.2em;
    width: 100%
    }
.kindle-cn-copyright-text {
    display: block;
    line-height: 1.5;
    text-indent: 0;
    margin: 1em 0
    }
.kindle-cn-copyright-title {
    border-bottom-style: solid;
    border-bottom-width: 1.5px;
    border-left-style: none;
    border-left-width: 1.5px;
    border-right-style: none;
    border-right-width: 1.5px;
    border-top-style: none;
    border-top-width: 1.5px;
    display: block;
    font-size: 1.125em;
    font-weight: bold;
    text-align: center;
    margin: 0.5em 0
    }
.logo {
    display: block;
    text-align: center;
    margin: auto
    }
.math-super {
    font-size: 0.75em;
    vertical-align: super
    }
.noindent-bodycontent {
    display: block;
    font-size: 1em;
    line-height: 1.5em;
    text-align: justify;
    text-indent: 0;
    margin: 0.5em 0
    }
.noindent-boxcontent-1-top {
    display: block;
    font-size: 1em;
    line-height: 1.5em;
    text-align: justify;
    text-indent: 0;
    margin: 1.3em 0 0.5em
    }
.parttitle-c {
    display: block;
    font-size: 1.66667em;
    font-weight: bold;
    line-height: 1.2;
    text-align: center;
    text-indent: 0;
    margin: 2em 0 1em
    }
.pic-img {
    height: auto;
    text-align: center;
    vertical-align: middle;
    width: 100%;
    padding: 0;
    margin: 0
    }
.pic-img-w {
    height: auto;
    text-align: center;
    vertical-align: middle;
    width: 25%;
    padding: 0;
    margin: 0
    }
.pic-img-w1 {
    height: auto;
    text-align: center;
    vertical-align: middle;
    width: 70%;
    padding: 0;
    margin: 0
    }
.pic-img-w2 {
    height: auto;
    text-align: center;
    vertical-align: middle;
    width: 75%;
    padding: 0;
    margin: 0
    }
.pic-img-w3 {
    height: auto;
    text-align: center;
    vertical-align: middle;
    width: 95%;
    padding: 0;
    margin: 0
    }
.pic-img-w4 {
    height: auto;
    text-align: center;
    vertical-align: middle;
    width: 80%;
    padding: 0;
    margin: 0
    }
.pic-img-w5 {
    height: auto;
    text-align: center;
    vertical-align: middle;
    width: 85%;
    padding: 0;
    margin: 0
    }
.pic-img-w6 {
    height: auto;
    text-align: center;
    vertical-align: middle;
    width: 45%;
    padding: 0;
    margin: 0
    }
.pic-img-w7 {
    height: auto;
    text-align: center;
    vertical-align: middle;
    width: 50%;
    padding: 0;
    margin: 0
    }
.pic-img-w8 {
    height: auto;
    text-align: center;
    vertical-align: middle;
    width: 55%;
    padding: 0;
    margin: 0
    }
.pic-img-w9 {
    height: auto;
    text-align: center;
    vertical-align: middle;
    width: 65%;
    padding: 0;
    margin: 0
    }
.pic-img-w10 {
    height: auto;
    text-align: center;
    vertical-align: middle;
    width: 60%;
    padding: 0;
    margin: 0
    }
.pic-img-w11 {
    height: auto;
    text-align: center;
    vertical-align: middle;
    width: 15%;
    padding: 0;
    margin: 0
    }
.prefacetitle {
    display: block;
    font-size: 1.66667em;
    font-weight: bold;
    line-height: 1.2;
    text-align: left;
    text-indent: 0;
    margin: 1.6em 0 0
    }
.prefacetitle-c {
    display: block;
    font-size: 1.66667em;
    font-weight: bold;
    line-height: 1.2;
    text-align: center;
    text-indent: 0;
    margin: 1.6em 0 0
    }
.sectitle {
    display: block;
    font-size: 1.41667em;
    font-weight: bold;
    line-height: 1.2;
    text-align: left;
    text-indent: 0;
    margin: 1.2em 0 0
    }
.sgc-toc-level {
    display: block;
    margin-left: 0
    }
.sgc-toc-level1 {
    display: block
    }
.sgc-toc-level2 {
    display: block
    }
.sgc-toc-title {
    display: block;
    font-size: 2em;
    font-weight: bold;
    letter-spacing: 1em;
    line-height: 1.2;
    margin-bottom: 1em;
    text-align: center;
    border-bottom: #000 dotted 1.5px
    }
.signcontent {
    display: block;
    font-size: 1em;
    line-height: 1.5em;
    text-align: right;
    text-indent: 0;
    margin: 0
    }
.signcontent-1-top {
    display: block;
    font-size: 1em;
    line-height: 1.5em;
    text-align: right;
    text-indent: 0;
    margin: 1.3em 0 0
    }
.smallcaps {
    font-size: 0.85em;
    line-height: 1.2;
    margin-top: 1em;
    text-indent: 0
    }
.smallcaps1 {
    font-size: 0.88889em;
    line-height: 1.2;
    margin-top: 1em;
    text-indent: 0
    }
.smallcaps2 {
    font-size: 0.75em;
    line-height: 1.2em;
    margin-top: 1em;
    text-indent: 0
    }
.smallcaps3 {
    font-size: 0.88889em;
    line-height: 1.2em;
    margin-top: 1em;
    text-indent: 0
    }
.smallscaps {
    line-height: 1.2
    }
.title_img {
    display: block;
    text-align: center;
    vertical-align: middle;
    padding: 0;
    margin: 0
    }
.tupian {
    display: block;
    text-align: center;
    width: 100%;
    margin: 1em auto
    }
.tuti {
    display: block;
    font-size: 0.75em;
    line-height: 1.5em;
    text-align: center;
    text-indent: 0;
    margin: 0.5em 0
    }
.tuzhu {
    display: block;
    font-size: 0.75em;
    line-height: 1.5em;
    text-align: justify;
    text-indent: 0;
    margin: 0.5em 0
    }
.txtheading {
    display: block;
    font-size: 1.41667em;
    font-weight: bold;
    line-height: 1.2;
    text-align: left;
    text-indent: 0;
    margin: 1.2em 0
    }
.txtheading-1-c {
    display: block;
    font-size: 1.41667em;
    font-weight: bold;
    line-height: 1.2;
    text-align: center;
    text-indent: 0;
    margin: 1.2em 0
    }
.txtheading1 {
    display: block;
    font-size: 1.125em;
    font-weight: bold;
    line-height: 1.2;
    text-align: left;
    text-indent: 0;
    margin: 1.1em 0
    }
.ulistcontent {
    display: block;
    font-size: 1em;
    line-height: 1.5em;
    list-style-type: disc;
    margin-bottom: 0.5em;
    margin-right: 0;
    margin-top: 0.5em;
    text-align: justify;
    text-indent: 0
    }
.ulistcontent1-top {
    display: block;
    font-size: 1em;
    line-height: 1.5em;
    list-style-type: disc;
    margin-bottom: 0.5em;
    margin-right: 0;
    margin-top: 1.3em;
    text-align: justify;
    text-indent: 0
    }
.zhusi {
    display: block;
    font-size: 0.75em;
    line-height: 1.5;
    text-indent: 0;
    margin: 1em 0
    }