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.mjx-charbox {
    padding-right: .6em
}

.mjx-mrow .mjx-mroot .mjx-root {
    width: .42em!important;
    vertical-align: 1.6em!important
}

.mjx-chtml {
    display: inline-block!important;
    line-height: 0;
    text-indent: 0;
    text-align: left;
    text-transform: none;
    font-style: normal;
    font-weight: normal;
    font-size: 100%;
    font-size-adjust: 0;
    letter-spacing: normal;
    word-wrap: normal;
    word-spacing: normal;
    white-space: nowrap;
    float: none;
    direction: ltr;
    max-width: none;
    max-height: none;
    min-width: 0;
    min-height: 0;
    border: 0;
    margin: 0;
    padding: 1px 0
}

.mjx-chtml * {
    line-height: 0;
}

.MJXc-display {
    display: inline-block;
    text-align: center;
    margin: .5em 0;
    padding: 0
}

.mjx-chtml[tabindex]:focus,body :focus .mjx-chtml[tabindex] {
    display: inline-table
}

.mjx-full-width {
    text-align: center;
    display: table-cell!important;
    width: 10000em
}

.mjx-math {
    display: inline-block;
    border-collapse: separate;
    border-spacing: 0
}

.mjx-math * {
    display: inline-block;
    -webkit-box-sizing: content-box!important;
    -moz-box-sizing: content-box!important;
    box-sizing: content-box!important;
    text-align: left
}

.mjx-numerator {
    display: block;
    text-align: center
}

.mjx-denominator {
    display: block;
    text-align: center
}

.MJXc-stacked {
    height: 0;
    position: relative
}

.MJXc-stacked>* {
    position: absolute
}

.MJXc-bevelled>* {
    display: inline-block
}

.mjx-stack {
    display: inline-block
}

.mjx-op {
    display: block
}

.mjx-under {
    display: table-cell
}

.mjx-over {
    display: block
}

.mjx-over>* {
    padding-left: 0!important;
    padding-right: 0!important
}

.mjx-under>* {
    padding-left: 0!important;
    padding-right: 0!important
}

.mjx-stack>.mjx-sup {
    display: block
}

.mjx-stack>.mjx-sub {
    display: block
}

.mjx-prestack>.mjx-presup {
    display: block
}

.mjx-prestack>.mjx-presub {
    display: block
}

.mjx-delim-h>.mjx-char {
    display: inline-block
}

.mjx-surd {
    vertical-align: top
}

.mjx-surd+.mjx-box {
    display: inline-flex
}

.mjx-mphantom * {
    visibility: hidden
}

.mjx-merror {
    background-color: #FF8;
    color: #C00;
    border: 1px solid #C00;
    padding: 2px 3px;
    font-style: normal;
    font-size: 400%
}

.mjx-annotation-xml {
    line-height: normal
}

.mjx-menclose>svg {
    fill: none;
    stroke: currentColor;
    overflow: visible
}

.mjx-mtr {
    display: table-row
}

.mjx-mlabeledtr {
    display: table-row
}

.mjx-mtd {
    display: table-cell;
    text-align: center
}

.mjx-label {
    display: table-row
}

.mjx-box {
    display: inline-block
}

.mjx-block {
    display: block;
    text-align: left!important
}

.mjx-span {
    display: inline
}

.mjx-char {
    display: block;
    white-space: pre
}

.mjx-itable {
    display: inline-table;
    width: auto
}

.mjx-row {
    display: table-row
}

.mjx-cell {
    display: table-cell
}

.mjx-table {
    display: table;
    width: 100%
}

.mjx-line {
    display: block;
    height: 0
}

.mjx-strut {
    width: 0;
    padding-top: 1em
}

.mjx-vsize {
    width: 0
}

.MJXc-space1 {
    margin-left: .167em
}

.MJXc-space2 {
    margin-left: .222em
}

.MJXc-space3 {
    margin-left: .278em
}

.mjx-test.mjx-test-display {
    display: table!important
}

.mjx-test.mjx-test-inline {
    display: inline!important;
    margin-right: -1px
}

.mjx-test.mjx-test-default {
    display: block!important;
    clear: both
}

.mjx-ex-box {
    display: inline-block!important;
    position: absolute;
    overflow: hidden;
    min-height: 0;
    max-height: none;
    padding: 0;
    border: 0;
    margin: 0;
    width: 1px;
    height: 60ex
}

.mjx-test-inline .mjx-left-box {
    display: inline-block;
    width: 0;
    float: left
}

.mjx-test-inline .mjx-right-box {
    display: inline-block;
    width: 0;
    float: right
}

.mjx-test-display .mjx-right-box {
    display: table-cell!important;
    width: 10000em!important;
    min-width: 0;
    max-width: none;
    padding: 0;
    border: 0;
    margin: 0
}

.MJXc-TeX-unknown-R {
    font-family: monospace;
    font-style: normal;
    font-weight: normal
}

.MJXc-TeX-unknown-I {
    font-family: monospace;
    font-style: italic;
    font-weight: normal
}

.MJXc-TeX-unknown-B {
    font-family: monospace;
    font-style: normal;
    font-weight: bold
}

.MJXc-TeX-unknown-BI {
    font-family: monospace;
    font-style: italic;
    font-weight: bold
}

.MJXc-TeX-ams-R {
    font-family: MJXc-TeX-ams-R,MJXc-TeX-ams-Rw
}

.MJXc-TeX-cal-B {
    font-family: MJXc-TeX-cal-B,MJXc-TeX-cal-Bx,MJXc-TeX-cal-Bw
}

.MJXc-TeX-frak-R {
    font-family: MJXc-TeX-frak-R,MJXc-TeX-frak-Rw
}

.MJXc-TeX-frak-B {
    font-family: MJXc-TeX-frak-B,MJXc-TeX-frak-Bx,MJXc-TeX-frak-Bw
}

.MJXc-TeX-math-BI {
    font-family: MJXc-TeX-math-BI,MJXc-TeX-math-BIx,MJXc-TeX-math-BIw
}

.MJXc-TeX-sans-R {
    font-family: MJXc-TeX-sans-R,MJXc-TeX-sans-Rw
}

.MJXc-TeX-sans-B {
    font-family: MJXc-TeX-sans-B,MJXc-TeX-sans-Bx,MJXc-TeX-sans-Bw
}

.MJXc-TeX-sans-I {
    font-family: MJXc-TeX-sans-I,MJXc-TeX-sans-Ix,MJXc-TeX-sans-Iw
}

.MJXc-TeX-script-R {
    font-family: MJXc-TeX-script-R,MJXc-TeX-script-Rw
}

.MJXc-TeX-type-R {
    font-family: MJXc-TeX-type-R,MJXc-TeX-type-Rw
}

.MJXc-TeX-cal-R {
    font-family: MJXc-TeX-cal-R,MJXc-TeX-cal-Rw
}

.MJXc-TeX-main-B {
    font-family: MJXc-TeX-main-B,MJXc-TeX-main-Bx,MJXc-TeX-main-Bw
}

.MJXc-TeX-main-I {
    font-family: MJXc-TeX-main-I,MJXc-TeX-main-Ix,MJXc-TeX-main-Iw
}

.MJXc-TeX-main-R {
    font-family: MJXc-TeX-main-R,MJXc-TeX-main-Rw
}

.MJXc-TeX-math-I {
    font-family: MJXc-TeX-math-I,MJXc-TeX-math-Ix,MJXc-TeX-math-Iw
}

.MJXc-TeX-size1-R {
    font-family: MJXc-TeX-size1-R,MJXc-TeX-size1-Rw
}

.MJXc-TeX-size2-R {
    font-family: MJXc-TeX-size2-R,MJXc-TeX-size2-Rw
}

.MJXc-TeX-size3-R {
    font-family: MJXc-TeX-size3-R,MJXc-TeX-size3-Rw
}

.MJXc-TeX-size4-R {
    font-family: MJXc-TeX-size4-R,MJXc-TeX-size4-Rw
}

.MJXc-TeX-vec-R {
    font-family: MJXc-TeX-vec-R,MJXc-TeX-vec-Rw
}

.MJXc-TeX-vec-B {
    font-family: MJXc-TeX-vec-B,MJXc-TeX-vec-Bx,MJXc-TeX-vec-Bw
}

@font-face {
    font-family: MJXc-TeX-ams-R;
    src: local('MathJax_AMS'),local('MathJax_AMS-Regular')
}

@font-face {
    font-family: MJXc-TeX-ams-Rw;
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/eot/MathJax_AMS-Regular.eot);
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/woff/MathJax_AMS-Regular.woff)format('woff'),url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/otf/MathJax_AMS-Regular.otf)format('opentype')
}

@font-face {
    font-family: MJXc-TeX-cal-B;
    src: local('MathJax_Caligraphic Bold'),local('MathJax_Caligraphic-Bold')
}

@font-face {
    font-family: MJXc-TeX-cal-Bx;
    src: local('MathJax_Caligraphic');
    font-weight: bold
}

@font-face {
    font-family: MJXc-TeX-cal-Bw;
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/eot/MathJax_Caligraphic-Bold.eot);
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/woff/MathJax_Caligraphic-Bold.woff)format('woff'),url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/otf/MathJax_Caligraphic-Bold.otf)format('opentype')
}

@font-face {
    font-family: MJXc-TeX-frak-R;
    src: local('MathJax_Fraktur'),local('MathJax_Fraktur-Regular')
}

@font-face {
    font-family: MJXc-TeX-frak-Rw;
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/eot/MathJax_Fraktur-Regular.eot);
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/woff/MathJax_Fraktur-Regular.woff)format('woff'),url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/otf/MathJax_Fraktur-Regular.otf)format('opentype')
}

@font-face {
    font-family: MJXc-TeX-frak-B;
    src: local('MathJax_Fraktur Bold'),local('MathJax_Fraktur-Bold')
}

@font-face {
    font-family: MJXc-TeX-frak-Bx;
    src: local('MathJax_Fraktur');
    font-weight: bold
}

@font-face {
    font-family: MJXc-TeX-frak-Bw;
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/eot/MathJax_Fraktur-Bold.eot);
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/woff/MathJax_Fraktur-Bold.woff)format('woff'),url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/otf/MathJax_Fraktur-Bold.otf)format('opentype')
}

@font-face {
    font-family: MJXc-TeX-math-BI;
    src: local('MathJax_Math BoldItalic'),local('MathJax_Math-BoldItalic')
}

@font-face {
    font-family: MJXc-TeX-math-BIx;
    src: local('MathJax_Math');
    font-weight: bold;
    font-style: italic
}

@font-face {
    font-family: MJXc-TeX-math-BIw;
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/eot/MathJax_Math-BoldItalic.eot);
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/woff/MathJax_Math-BoldItalic.woff)format('woff'),url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/otf/MathJax_Math-BoldItalic.otf)format('opentype')
}

@font-face {
    font-family: MJXc-TeX-sans-R;
    src: local('MathJax_SansSerif'),local('MathJax_SansSerif-Regular')
}

@font-face {
    font-family: MJXc-TeX-sans-Rw;
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/eot/MathJax_SansSerif-Regular.eot);
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/woff/MathJax_SansSerif-Regular.woff)format('woff'),url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/otf/MathJax_SansSerif-Regular.otf)format('opentype')
}

@font-face {
    font-family: MJXc-TeX-sans-B;
    src: local('MathJax_SansSerif Bold'),local('MathJax_SansSerif-Bold')
}

@font-face {
    font-family: MJXc-TeX-sans-Bx;
    src: local('MathJax_SansSerif');
    font-weight: bold
}

@font-face {
    font-family: MJXc-TeX-sans-Bw;
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/eot/MathJax_SansSerif-Bold.eot);
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/woff/MathJax_SansSerif-Bold.woff)format('woff'),url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/otf/MathJax_SansSerif-Bold.otf)format('opentype')
}

@font-face {
    font-family: MJXc-TeX-sans-I;
    src: local('MathJax_SansSerif Italic'),local('MathJax_SansSerif-Italic')
}

@font-face {
    font-family: MJXc-TeX-sans-Ix;
    src: local('MathJax_SansSerif');
    font-style: italic
}

@font-face {
    font-family: MJXc-TeX-sans-Iw;
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/eot/MathJax_SansSerif-Italic.eot);
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/woff/MathJax_SansSerif-Italic.woff)format('woff'),url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/otf/MathJax_SansSerif-Italic.otf)format('opentype')
}

@font-face {
    font-family: MJXc-TeX-script-R;
    src: local('MathJax_Script'),local('MathJax_Script-Regular')
}

@font-face {
    font-family: MJXc-TeX-script-Rw;
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/eot/MathJax_Script-Regular.eot);
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/woff/MathJax_Script-Regular.woff)format('woff'),url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/otf/MathJax_Script-Regular.otf)format('opentype')
}

@font-face {
    font-family: MJXc-TeX-type-R;
    src: local('MathJax_Typewriter'),local('MathJax_Typewriter-Regular')
}

@font-face {
    font-family: MJXc-TeX-type-Rw;
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/eot/MathJax_Typewriter-Regular.eot);
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/woff/MathJax_Typewriter-Regular.woff)format('woff'),url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/otf/MathJax_Typewriter-Regular.otf)format('opentype')
}

@font-face {
    font-family: MJXc-TeX-cal-R;
    src: local('MathJax_Caligraphic'),local('MathJax_Caligraphic-Regular')
}

@font-face {
    font-family: MJXc-TeX-cal-Rw;
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/eot/MathJax_Caligraphic-Regular.eot);
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/woff/MathJax_Caligraphic-Regular.woff)format('woff'),url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/otf/MathJax_Caligraphic-Regular.otf)format('opentype')
}

@font-face {
    font-family: MJXc-TeX-main-B;
    src: local('MathJax_Main Bold'),local('MathJax_Main-Bold')
}

@font-face {
    font-family: MJXc-TeX-main-Bx;
    src: local('MathJax_Main');
    font-weight: bold
}

@font-face {
    font-family: MJXc-TeX-main-Bw;
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/eot/MathJax_Main-Bold.eot);
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/woff/MathJax_Main-Bold.woff)format('woff'),url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/otf/MathJax_Main-Bold.otf)format('opentype')
}

@font-face {
    font-family: MJXc-TeX-main-I;
    src: local('MathJax_Main Italic'),local('MathJax_Main-Italic')
}

@font-face {
    font-family: MJXc-TeX-main-Ix;
    src: local('MathJax_Main');
    font-style: italic
}

@font-face {
    font-family: MJXc-TeX-main-Iw;
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/eot/MathJax_Main-Italic.eot);
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/woff/MathJax_Main-Italic.woff)format('woff'),url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/otf/MathJax_Main-Italic.otf)format('opentype')
}

@font-face {
    font-family: MJXc-TeX-main-R;
    src: local('MathJax_Main'),local('MathJax_Main-Regular')
}

@font-face {
    font-family: MJXc-TeX-main-Rw;
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/eot/MathJax_Main-Regular.eot);
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/woff/MathJax_Main-Regular.woff)format('woff'),url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/otf/MathJax_Main-Regular.otf)format('opentype')
}

@font-face {
    font-family: MJXc-TeX-math-I;
    src: local('MathJax_Math Italic'),local('MathJax_Math-Italic')
}

@font-face {
    font-family: MJXc-TeX-math-Ix;
    src: local('MathJax_Math');
    font-style: italic
}

@font-face {
    font-family: MJXc-TeX-math-Iw;
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/eot/MathJax_Math-Italic.eot);
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/woff/MathJax_Math-Italic.woff)format('woff'),url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/otf/MathJax_Math-Italic.otf)format('opentype')
}

@font-face {
    font-family: MJXc-TeX-size1-R;
    src: local('MathJax_Size1'),local('MathJax_Size1-Regular')
}

@font-face {
    font-family: MJXc-TeX-size1-Rw;
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/eot/MathJax_Size1-Regular.eot);
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/woff/MathJax_Size1-Regular.woff)format('woff'),url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/otf/MathJax_Size1-Regular.otf)format('opentype')
}

@font-face {
    font-family: MJXc-TeX-size2-R;
    src: local('MathJax_Size2'),local('MathJax_Size2-Regular')
}

@font-face {
    font-family: MJXc-TeX-size2-Rw;
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/eot/MathJax_Size2-Regular.eot);
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/woff/MathJax_Size2-Regular.woff)format('woff'),url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/otf/MathJax_Size2-Regular.otf)format('opentype')
}

@font-face {
    font-family: MJXc-TeX-size3-R;
    src: local('MathJax_Size3'),local('MathJax_Size3-Regular')
}

@font-face {
    font-family: MJXc-TeX-size3-Rw;
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/eot/MathJax_Size3-Regular.eot);
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/woff/MathJax_Size3-Regular.woff)format('woff'),url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/otf/MathJax_Size3-Regular.otf)format('opentype')
}

@font-face {
    font-family: MJXc-TeX-size4-R;
    src: local('MathJax_Size4'),local('MathJax_Size4-Regular')
}

@font-face {
    font-family: MJXc-TeX-size4-Rw;
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/eot/MathJax_Size4-Regular.eot);
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/woff/MathJax_Size4-Regular.woff)format('woff'),url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/otf/MathJax_Size4-Regular.otf)format('opentype')
}

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html .MathJax_Display .mn {
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html .MathJax_Display .mi {
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button,html input[type=button],input[type=reset],input[type=submit] {
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}

input[type=search]::-webkit-search-cancel-button,input[type=search]::-webkit-search-decoration {
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img {
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}

table {
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}

table.p59657344tB {
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}

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table.p59657344tB>tbody>tr:first-child>td:first-child {
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table.p59657344tB>tbody>tr:first-child>td:last-child {
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table.p59657344tB>tbody>tr:last-child>td:first-child {
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table.p59657344tB>tbody>tr:last-child>td:last-child {
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}

table.p59657344tB>tbody>tr:nth-child(odd) {
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table.p59657344tB>tbody>tr>td {
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span.p523471oH {
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span.p83624276emptyblank {
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}

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}

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}

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}

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}

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}

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}

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}

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}

bdo.p62201042mathjye-aligncenter {
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}

bdo.p62201042mathjye-alignright {
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}

bdo.p62201042mathjye-alignleft {
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}

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}

bdo.p62201042mathjye-underpoint {
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}

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}

bdo.p62201042mathjye-underpoint2 {
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    border-bottom: 2px dotted #000
}

.p8961601composition2>td {
    width: 25%
}

sub span,sup span {
    font-size: 75%!important
}

.root-container {
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    font-family: p726e81a831a4b6566d0845ffb4ca82fc,'Microsoft Yahei','\5b8b\4f53',sans-serif;
    word-break: break-all;
    position: relative;
    -webkit-tap-highlight-color: transparent;
    word-wrap: break-word;
    line-height: 1.7em
}

.root-container .hidden {
    display: none!important;
    opacity: 0
}

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}

.root-container a,.root-container input {
    -webkit-tap-highlight-color: transparent;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    text-decoration: none
}

.root-container img {
    max-width: 100%
}

.root-container .p41784405content {
    line-height: 1.7em;
    padding-bottom: 10px
}

.root-container img.p59698703native {
    -webkit-transition: width .4s;
    transition: width .4s;
    margin-top: 10px;
    margin-bottom: 10px;
    display: block
}

.root-container .p99267752special-style {
    word-wrap: break-word;
    line-height: 1.7em
}

.root-container span[math-model] {
    line-height: normal
}

.root-container span.p68916767pS {
    position: static;
    line-height: normal
}

.p15563153mask {
    position: absolute;
    background: #000;
    display: none;
    z-index: 1;
    opacity: .7;
    top: 0;
    right: 0;
    left: 0;
    bottom: 0
}

.p61403887Mathm {
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}

.p76417021edittable {
    width: 98%
}

.p39177358composition {
    width: 98%
}

.p14202418flipv {
    -webkit-transform: scaleX(-1);
    transform: scaleX(-1)
}

.p33532225hwl-option * {
    vertical-align: middle
}

div[hassize="2"]>div[muststretch="v"] {
    height: 60px!important
}

.p33532225hwl-option .p30828958option-title {
    display: inline-block;
    margin-right: 1em
}

.p19721570shadow {
    z-index: 101;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,.3);
    -webkit-transform: translateZ(0);
    -ms-transform: translateZ(0);
    transform: translateZ(0)
}

::-webkit-scrollbar {
    opacity: 0;
    display: none
}

.p8857244active {
    opacity: .5
}

.exerconnectionimg,.exerimg {
    display: inline-block;
    vertical-align: middle;
    padding-bottom: 0;
    margin-top: 3px;
    margin-bottom: 3px;
    background-repeat: no-repeat
}

.MathEQ,.MathJye,.MathTable,.MathZyb,.math-flag {
    direction: ltr;
    display: inline-block;
    vertical-align: middle;
    float: none;
    font-style: normal;
    font-weight: 400;
    letter-spacing: 1px;
    line-height: normal;
    text-align: left;
    text-indent: 0;
    text-transform: none;
    white-space: nowrap;
    word-spacing: normal;
    overflow-wrap: normal;
    text-size-adjust: none;
    border-width: 0;
    border-style: none;
    border-color: initial;
    border-image: initial;
    margin: 0;
    padding-left: 2px
}

.MathEQ table,.MathJye table,.MathTable table,.MathZyb table,.math-flag table {
    border-collapse: collapse;
    margin: 0;
    padding-left: 2px;
    text-align: center;
    vertical-align: middle;
    line-height: normal;
    font-size: inherit;
    font-style: normal;
    font-weight: 400;
    border: 0;
    float: none;
    display: inline-block
}

div.quizPutTag {
    display: inline-block;
    padding: 3px 10px 1px 10px;
    margin: 0 3px;
    font-size: 14px;
    min-width: 30px;
    min-height: 16px;
    line-height: 1.7em;
    height: auto;
    border-bottom: 1px solid #030303;
    text-decoration: none;
    background: #fff;
    color: rgba(255,255,255,0)
}

div.sanwser {
    padding: 4px 10px;
    margin: 0;
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}

.topiclist {
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}

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}

.input_line {
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    border-left-width: 0;
    border-right-width: 0;
    border-bottom-width: 1px;
    border-bottom-color: #000;
    width: 50px
}

img {
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    height: auto
}

.options,.options_area,.q-xz,.tiku-option-list,.uc_q_object.ucqo_select {
    margin-top: 0;
    margin-bottom: 10px;
    list-style-type: none;
    padding-inline-start:0}

.box-answer,.option-value,.xx {
    display: inline;
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}

h1.q-tigan {
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}

.UserInput {
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    border-bottom: solid 1px #000
}

a,a.body-link {
    text-decoration: none!important;
    color: #333
}

span.answer {
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    display: inline-block;
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    margin: 0 5px;
    padding: 5px
}

.item-body blank,.uc_q_object.ucqo_g_blank {
    min-width: 50px;
    display: inline-block;
    border-bottom: 1px solid #333;
    margin: 0 5px
}

.question_content table {
    word-break: normal!important
}

.motable {
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}

.equation {
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}

.equation table {
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}

.equation table td,.equation table th {
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}

.wb_biology,.wb_chemistry {
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}

.font-math-regular,.glossary {
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}

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}

.font-brackets-full {
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}

.font-brackets-horiz {
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}

.wb_options>li:after,.wb_options>li:before {
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}

.wb_options>li:after {
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}

.wb_options>li+li {
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}

.label-answer {
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}

.box-fraction {
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}

.box-fraction .fraction {
    text-align: center
}

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}

.box-fraction .fraction .frac-denominator {
    border-top: 1px solid #5c6166
}

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    width: inherit
}

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}

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    display: inline-block;
    -webkit-transform: scaleY(2);
    transform: scaleY(2)
}

.box-root {
    display: inline-block;
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}

.box-root .root-number {
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    border-top: 1px solid #5c6166
}

.points-box {
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}

.points-box .point-wrap {
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}

.points-box .point {
    display: inline-block;
    height: 32px;
    padding: 0 24px;
    margin-bottom: 15px;
    font-size: 14px;
    line-height: 1.7em;
    color: #3bf;
    border: 1px solid #3bf;
    border-radius: 18px;
    text-decoration: none;
    text-align: center;
    min-width: 96px;
    max-width: 100%;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis
}

.points-box .point:first-child {
    margin-right: 10px
}

.points-box .major {
    position: absolute;
    top: -8px;
    left: 19px;
    padding: 0 5px;
    font-size: 14px;
    line-height: 1;
    color: #ffba47;
    background-color: #fff;
    z-index: 10
}

.remark-box {
    display: none;
    position: absolute;
    max-width: 100%;
    top: 0;
    left: 0;
    padding: 10px;
    background: #5d5e5e;
    border-radius: 4px;
    font-size: 14px;
    color: #fff;
    text-align: justify;
    text-justify: inter-ideograph;
    word-wrap: break-word;
    white-space: pre;
    z-index: 10
}

.remark-arrow {
    display: none;
    position: absolute;
    top: -5px;
    border-bottom: 6px solid #5d5e5e;
    border-right: 6px solid transparent;
    border-left: 6px solid transparent
}

.arrow-rotate {
    -webkit-transform: rotate(180deg);
    transform: rotate(180deg)
}

.origin,.trans-sentence {
    margin: 0
}

.origin {
    color: #a1adb3
}

.trans-sentence {
    margin-bottom: 16px
}

.liter-point-header {
    font-size: 14px
}

.cloze {
    border-radius: 6px;
    display: inline-block;
    height: 28px;
    padding: 0 9px;
    min-width: 65px;
    text-align: center;
    text-decoration: none
}

.cloze {
    border: 1px solid #a1adb3;
    color: #a1adb3
}

.cloze.current {
    background-color: #3bf;
    border-color: #3bf;
    color: #fff
}

.cloze.yes {
    border-color: #3bf;
    color: #3bf
}

.cloze.yes.current {
    background-color: #3bf;
    color: #fff
}

.cloze.no {
    border-color: #f53;
    color: #f53
}

.cloze.no.current {
    background-color: #f53;
    color: #fff
}

.native-like {
    background-color: #fff
}

.list-sum,.summary {
    color: #7e858c
}

span.det {
    float: left;
    width: 90%;
    color: #333
}

.qut_tk {
    display: inline;
    padding: 3px 20px 1px 20px;
    margin: 0 3px;
    min-width: 30px;
    min-height: 16px;
    line-height: 1.7em;
    height: auto;
    border-bottom: 1px solid #03f;
    text-decoration: none;
    color: #1e50a1
}

.edittable {
    border-collapse: collapse;
    text-align: center;
    margin: 2px
}

.edittable th,table.edittable td {
    line-height: 1.7em;
    padding: 5px;
    white-space: normal;
    word-break: break-all;
    border: 1px solid #000;
    vertical-align: middle
}

.MathLs {
    border: 0 0;
    direction: ltr;
    line-height: normal;
    display: inline;
    float: none;
    font-size: 14px;
    font-style: normal;
    font-weight: 400;
    letter-spacing: normal;
    line-height: normal;
    margin: 0;
    padding: 0;
    text-align: left;
    text-indent: 0;
    text-transform: none;
    white-space: nowrap;
    word-spacing: normal;
    word-wrap: normal;
    -webkit-text-size-adjust: none
}

.MathLs div,.MathLs span {
    border: 0 0;
    margin: 0;
    padding: 0;
    line-height: normal;
    text-align: left;
    height: auto;
    white-space: normal
}

.MathLs table {
    border-collapse: collapse;
    margin: 0;
    padding: 0;
    text-align: center;
    vertical-align: middle;
    line-height: normal;
    font-size: inherit;
    font-style: normal;
    font-weight: 400;
    border: 0;
    float: none;
    display: inline-block
}

.MathLs table td {
    padding: 0;
    font-size: inherit;
    line-height: normal;
    white-space: nowrap;
    border: 0 0;
    width: auto;
    height: auto
}

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    display: inline-block;
    line-height: 0;
    text-indent: 0;
    text-align: left;
    text-transform: none;
    font-style: normal;
    font-weight: 400;
    font-size: 14%;
    font-size-adjust: 0;
    letter-spacing: normal;
    word-wrap: normal;
    word-spacing: normal;
    white-space: nowrap;
    float: none;
    direction: ltr;
    max-width: none;
    max-height: none;
    min-width: 0;
    min-height: 0;
    border: 0;
    margin: 0;
    padding: 1px 0
}

.afanti-latex .aY {
    display: block;
    text-align: center;
    margin: 1em 0;
    padding: 0
}

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    display: inline-block;
    outline: 0
}

.afanti-latex .dO {
    display: inline-block;
    border-collapse: separate;
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}

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    text-align: left
}

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    display: block;
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}

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    display: block;
    text-align: center
}

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}

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}

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}

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}

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}

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}

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}

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}

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}

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}

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}

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    color: #c00;
    border: 1px solid #c00;
    padding: 2px 3px;
    font-style: normal;
    font-size: 90%
}

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    line-height: normal
}

.afanti-latex .dP>svg {
    fill: none;
    stroke: currentColor
}

.afanti-latex .eJ {
    display: table-row
}

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    display: table-row
}

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    display: table-cell;
    text-align: center
}

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}

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}

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    white-space: pre
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    display: inline-table
}

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    display: table-row
}

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    display: table-cell
}

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    display: table;
    width: 100%
}

.afanti-latex .dN {
    display: block;
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}

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    padding-top: 1em
}

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}

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    margin-left: .167em
}

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}

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    margin-left: .278em
}

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    display: block;
    visibility: hidden;
    position: absolute;
    top: 0;
    line-height: normal;
    font-size: 500%
}

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    display: inline
}

.afanti-latex .dF .dB {
    padding-top: 1000px
}

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    visibility: hidden;
    position: fixed;
    width: 0;
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    overflow: hidden
}

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}

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    display: block;
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    font-size: 100%;
    font-size-adjust: 0;
    text-indent: 0;
    text-transform: none;
    letter-spacing: normal;
    word-spacing: normal;
    overflow: hidden;
    height: 1px
}

.afanti-latex .dK {
    position: absolute;
    width: 1px;
    height: 60ex
}

.afanti-latex .dG .eM {
    line-height: 1.7;
    font-size: 90%;
    text-align: left;
    color: #000;
    padding: 1px 3px;
    border: 1px solid
}

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    font-family: p726e81a831a4b6566d0845ffb4ca82fc,STIXGeneral,'Cambria Math','Arial Unicode MS',serif;
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}

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    font-family: p726e81a831a4b6566d0845ffb4ca82fc,STIXGeneral,'Cambria Math','Arial Unicode MS',serif;
    font-style: italic;
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    font-family: p726e81a831a4b6566d0845ffb4ca82fc,STIXGeneral,'Cambria Math','Arial Unicode MS',serif;
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    font-family: p726e81a831a4b6566d0845ffb4ca82fc,STIXGeneral,'Cambria Math','Arial Unicode MS',serif;
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}

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@font-face {
    font-family: aA;
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}

@font-face {
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@font-face {
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}

@font-face {
    font-family: aBx;
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    font-weight: 700
}

@font-face {
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}

@font-face {
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    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/eot/MathJax_Fraktur-Regular.eot);
    src: url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/eot/MathJax_Fraktur-Regular.eot?#iefix)format('embedded-opentype'),url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/woff/MathJax_Fraktur-Regular.woff)format('woff'),url(https://solar.fbcontent.cn/h5/solar-web-mathjax/HTML-CSS/TeX/otf/MathJax_Fraktur-Regular.otf)format('opentype')
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}

@font-face {
    font-family: aDx;
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}

@font-face {
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}

@font-face {
    font-family: aIx;
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    font-style: italic
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