.preview-page.theme-classic{margin:0;padding:0 10px;background-attachment:scroll;background-clip:border-box;background-color:rgba(0,0,0,0);background-image:none;background-origin:padding-box;background-position-x:left;background-position-y:top;background-repeat:no-repeat;background-size:auto;width:auto;font-family:Optima,Microsoft YaHei,PingFangSC-regular,serif;font-size:16px;color:rgba(0,0,0,1);line-height:1.5em;word-spacing:0;letter-spacing:0;word-break:break-word;word-wrap:break-word;text-align:left}.preview-page.theme-classic p{color:rgba(0,0,0,1);font-size:15px;line-height:1.8em;letter-spacing:0;text-align:center;text-indent:0;margin:0;padding:8px 0}.preview-page.theme-classic h1 .content{font-size:24px;color:rgba(0,0,0,1);line-height:1.5em;letter-spacing:0;text-align:left;font-weight:700;display:block}.preview-page.theme-classic h1{margin:30px 0 15px;padding:0;display:block}.preview-page.theme-classic h1 .content:after,.preview-page.theme-classic h1 .content:before,.preview-page.theme-classic h1 .prefix,.preview-page.theme-classic h1 .prefix:after,.preview-page.theme-classic h1 .prefix:before,.preview-page.theme-classic h1 .suffix,.preview-page.theme-classic h1 .suffix:after,.preview-page.theme-classic h1 .suffix:before,.preview-page.theme-classic h1:after,.preview-page.theme-classic h1:before{display:none}.preview-page.theme-classic h2 .content{font-size:18px;color:rgb(0,0,0);letter-spacing:0;padding:10px;background-image:none;background-position-x:0;background-position-y:0;background-repeat:no-repeat;background-size:auto;border:1px solid rgb(0,0,0);border-top-left-radius:0;border-top-right-radius:0;border-bottom-left-radius:0;border-bottom-right-radius:0;content:unset;display:block;font-weight:700;margin:0;text-indent:0;transform:translate3d(-5px,-5px,0)}.preview-page.theme-classic h2,.preview-page.theme-classic h2 .content{line-height:1.5em;align-items:unset;background-attachment:scroll;background-clip:border-box;background-color:transparent;background-origin:padding-box;box-shadow:none;flex-direction:unset;float:unset;height:auto;justify-content:unset;overflow-x:unset;overflow-y:unset;position:relative;text-align:left;text-shadow:none;width:auto;-webkit-box-reflect:unset}.preview-page.theme-classic h2{margin:30px auto 15px;background-image:linear-gradient(270deg,rgb(253,213,231),rgb(194,226,249));background-position-x:0;background-position-y:0;background-repeat:no-repeat;background-size:auto;border:1px solid rgb(62,62,62);border-top-left-radius:0;border-top-right-radius:0;border-bottom-left-radius:0;border-bottom-right-radius:0;display:table;padding:0;transform:none}.preview-page.theme-classic h2 .content:after,.preview-page.theme-classic h2 .content:before,.preview-page.theme-classic h2 .prefix,.preview-page.theme-classic h2 .suffix,.preview-page.theme-classic h2:after,.preview-page.theme-classic h2:before{display:none}.preview-page.theme-classic h2 strong{display:inline-block;font-size:22px;text-shadow:none}.preview-page.theme-classic h2 strong,.preview-page.theme-classic h3 .content{align-items:unset;background-attachment:scroll;background-clip:border-box;background-color:transparent;background-image:none;background-origin:padding-box;background-position-x:0;background-position-y:0;background-repeat:no-repeat;background-size:auto;border:1px rgb(0,0,0);border-top-left-radius:0;border-top-right-radius:0;border-bottom-left-radius:0;border-bottom-right-radius:0;box-shadow:none;color:rgb(0,0,0);content:unset;font-weight:700;flex-direction:unset;float:unset;height:auto;justify-content:unset;letter-spacing:0;line-height:1.5em;margin:0;overflow-x:unset;overflow-y:unset;padding:0;position:relative;text-align:left;text-indent:0;transform:none;width:auto;-webkit-box-reflect:unset}.preview-page.theme-classic h3 .content{font-size:18px;text-shadow:rgba(171,224,225,1) 4px 3px 0;display:block}.preview-page.theme-classic h3{margin:30px 0 15px;align-items:center;background-attachment:scroll;background-clip:border-box;background-color:transparent;background-image:none;background-origin:padding-box;background-position-x:0;background-position-y:0;background-repeat:no-repeat;background-size:auto;display:flex;flex-direction:column;height:auto;width:auto}.preview-page.theme-classic h3,.preview-page.theme-classic h3 .prefix{border:1px rgb(0,0,0);border-top-left-radius:0;border-top-right-radius:0;border-bottom-left-radius:0;border-bottom-right-radius:0;box-shadow:none;float:unset;justify-content:unset;line-height:1.5em;overflow-x:unset;overflow-y:unset;padding:0;position:relative;text-align:left;text-shadow:none;transform:none;-webkit-box-reflect:unset}.preview-page.theme-classic h3 .prefix{background-attachment:scroll;background-clip:border-box;background-color:transparent;background-image:url(https://files.mdnice.com/pic/d1e2129b-30a8-443d-8ebb-a3f7aa09141e.png);background-origin:padding-box;background-position-x:50%;background-position-y:50%;background-repeat:no-repeat;background-size:contain;width:40px;height:20px;align-items:unset;color:rgb(0,0,0);content:unset;display:inline-block;font-size:22px;font-weight:700;flex-direction:unset;letter-spacing:0;margin:0;text-indent:0}.preview-page.theme-classic h3 .content:after,.preview-page.theme-classic h3 .content:before,.preview-page.theme-classic h3 .suffix,.preview-page.theme-classic h3:after,.preview-page.theme-classic h3:before{display:none}.preview-page.theme-classic h3 strong{align-items:unset;background-attachment:scroll;background-clip:border-box;background-color:transparent;background-image:none;background-origin:padding-box;background-position-x:0;background-position-y:0;background-repeat:no-repeat;background-size:auto;border:1px rgb(0,0,0);border-top-left-radius:0;border-top-right-radius:0;border-bottom-left-radius:0;border-bottom-right-radius:0;box-shadow:none;color:rgb(0,0,0);content:unset;display:inline-block;font-size:22px;font-weight:700;flex-direction:unset;float:unset;height:auto;justify-content:unset;letter-spacing:0;line-height:1.5em;margin:0;overflow-x:unset;overflow-y:unset;padding:0;position:relative;text-align:left;text-indent:0;text-shadow:none;transform:none;width:auto;-webkit-box-reflect:unset}.preview-page.theme-classic h4 .content{font-size:18px;color:rgba(0,0,0,1);line-height:1.5em;letter-spacing:0;text-align:left;font-weight:700;display:block}.preview-page.theme-classic h4{margin:30px 0 15px;padding:0;display:block}.preview-page.theme-classic h4 .content:after,.preview-page.theme-classic h4 .content:before,.preview-page.theme-classic h4 .prefix,.preview-page.theme-classic h4 .prefix:after,.preview-page.theme-classic h4 .prefix:before,.preview-page.theme-classic h4 .suffix,.preview-page.theme-classic h4 .suffix:after,.preview-page.theme-classic h4 .suffix:before,.preview-page.theme-classic h4:after,.preview-page.theme-classic h4:before{display:none}.preview-page.theme-classic h5 .content{font-size:16px;color:rgba(0,0,0,1);line-height:1.5em;letter-spacing:0;text-align:left;font-weight:700;display:block}.preview-page.theme-classic h5{margin:30px 0 15px;padding:0;display:block}.preview-page.theme-classic h5 .content:after,.preview-page.theme-classic h5 .content:before,.preview-page.theme-classic h5 .prefix,.preview-page.theme-classic h5 .prefix:after,.preview-page.theme-classic h5 .prefix:before,.preview-page.theme-classic h5 .suffix,.preview-page.theme-classic h5 .suffix:after,.preview-page.theme-classic h5 .suffix:before,.preview-page.theme-classic h5:after,.preview-page.theme-classic h5:before{display:none}.preview-page.theme-classic h6 .content{font-size:14px;color:rgba(0,0,0,1);line-height:1.5em;letter-spacing:0;text-align:left;font-weight:700;display:block}.preview-page.theme-classic h6{margin:30px 0 15px;padding:0;display:block}.preview-page.theme-classic h6 .content:after,.preview-page.theme-classic h6 .content:before,.preview-page.theme-classic h6 .prefix,.preview-page.theme-classic h6 .prefix:after,.preview-page.theme-classic h6 .prefix:before,.preview-page.theme-classic h6 .suffix,.preview-page.theme-classic h6 .suffix:after,.preview-page.theme-classic h6 .suffix:before,.preview-page.theme-classic h6:after,.preview-page.theme-classic h6:before{display:none}.preview-page.theme-classic ul li section{color:rgba(1,1,1,1);font-size:15px;line-height:1.8em;letter-spacing:0;text-align:left;font-weight:400}.preview-page.theme-classic ul{list-style-type:disc;margin:8px 0;padding:0 0 0 25px;color:rgba(0,0,0,1)}.preview-page.theme-classic ul section{margin-top:5px;margin-bottom:5px}.preview-page.theme-classic ol li section{color:rgba(1,1,1,1);font-size:15px;line-height:1.8em;letter-spacing:0;text-align:left;font-weight:400}.preview-page.theme-classic ol{list-style-type:decimal;margin:8px 0;padding:0 0 0 25px;color:rgba(0,0,0,1)}.preview-page.theme-classic ol section{margin-top:5px;margin-bottom:5px}.preview-page.theme-classic .custom-blockquote p,.preview-page.theme-classic blockquote p{color:rgba(0,0,0,1);font-size:15px;line-height:1.8em;letter-spacing:0;text-align:left;font-weight:400;margin:0}.preview-page.theme-classic .custom-blockquote,.preview-page.theme-classic blockquote{margin:20px 0;padding:10px 10px 10px 20px;border:3px rgba(0,0,0,.4);border-left:3px solid rgba(100,169,176,1);border-top-left-radius:0;border-top-right-radius:0;border-bottom-right-radius:0;border-bottom-left-radius:0;background-attachment:scroll;background-clip:border-box;background-color:rgba(74,174,186,.05);background-image:none;background-origin:padding-box;background-position-x:left;background-position-y:top;background-repeat:no-repeat;background-size:auto;width:auto;height:auto;box-shadow:0 0 0 0 rgba(0,0,0,0);display:block;overflow:auto;-webkit-overflow-scrolling:touch}.preview-page.theme-classic .custom-blockquote:before,.preview-page.theme-classic blockquote:before{display:none;content:"";color:rgba(104,127,153,1);font-size:16px;line-height:1.5em;letter-spacing:0;text-align:left;font-weight:400}.preview-page.theme-classic .table-of-contents a{border:none;color:rgba(0,0,0,1);font-weight:400}.preview-page.theme-classic a{color:rgba(30,107,184,1);font-weight:700;border:3px rgba(0,0,0,.4);border-top-left-radius:0;border-top-right-radius:0;border-bottom-right-radius:0;border-bottom-left-radius:0;margin:0;padding:0;text-decoration:none;word-wrap:break-word}.preview-page.theme-classic strong{font-weight:700}.preview-page.theme-classic em,.preview-page.theme-classic strong{color:rgba(255,79,121,1);background-attachment:scroll;background-clip:border-box;background-color:rgba(0,0,0,0);background-image:none;background-origin:padding-box;background-position-x:left;background-position-y:top;background-repeat:no-repeat;background-size:auto;width:auto;height:auto;margin:0;padding:0;border:3px rgba(0,0,0,.4);border-top-left-radius:0;border-top-right-radius:0;border-bottom-right-radius:0;border-bottom-left-radius:0}.preview-page.theme-classic em{font-style:italic}.preview-page.theme-classic em strong{color:rgba(255,79,121,1);font-weight:700;font-style:italic;background-attachment:scroll;background-clip:border-box;background-color:rgba(0,0,0,0);background-image:none;background-origin:padding-box;background-position-x:left;background-position-y:top;background-repeat:no-repeat;background-size:auto;width:auto;height:auto}.preview-page.theme-classic strong em{margin:0;padding:0;border:3px rgba(0,0,0,.4);border-top-left-radius:0;border-top-right-radius:0;border-bottom-right-radius:0;border-bottom-left-radius:0}.preview-page.theme-classic s{color:rgba(0,0,0,1);font-style:italic}.preview-page.theme-classic hr{margin:10px 0;padding:0;border:3px rgba(0,0,0,.4);border-top:1px solid rgba(0,0,0,1);border-top-left-radius:0;border-top-right-radius:0;border-bottom-right-radius:0;border-bottom-left-radius:0;background-attachment:scroll;background-clip:border-box;background-color:rgba(0,0,0,0);background-image:none;background-origin:padding-box;background-position-x:left;background-position-y:top;background-repeat:no-repeat;background-size:auto;width:auto;height:1px}.preview-page.theme-classic pre.custom{margin:10px 0;padding:0}.preview-page.theme-classic pre.custom code{display:-webkit-box;font-family:Consolas,Monaco,Menlo,monospace;font-size:12px;-webkit-overflow-scrolling:touch}.preview-page.theme-classic pre.custom code span{line-height:26px}.preview-page.theme-classic p code{height:auto}.preview-page.theme-classic li code,.preview-page.theme-classic p code{color:rgba(30,107,184,1);font-size:14px;line-height:1.8em;letter-spacing:0;background-attachment:scroll;background-clip:border-box;background-color:rgba(27,31,35,.05);background-image:none;background-origin:padding-box;background-position-x:left;background-position-y:top;background-repeat:no-repeat;background-size:auto;width:auto;margin:0 2px;padding:2px 4px;border:3px rgba(0,0,0,.4);border-top:3px rgba(0,0,0,1);border-top-left-radius:4px;border-top-right-radius:4px;border-bottom-right-radius:4px;border-bottom-left-radius:4px;word-wrap:break-word;font-family:Consolas,Monaco,Menlo,monospace;word-break:break-all}.preview-page.theme-classic figure{margin:10px 0;padding:0;display:flex;flex-direction:column;justify-content:center;align-items:center}.preview-page.theme-classic figure img{border:3px rgba(0,0,0,.4);border-top-left-radius:0;border-top-right-radius:0;border-bottom-right-radius:0;border-bottom-left-radius:0;object-fit:fill;box-shadow:0 0 0 0 rgba(0,0,0,0)}.preview-page.theme-classic img{display:block;margin:0 auto;max-width:100%}.preview-page.theme-classic figure a{border:none;display:flex;justify-content:center;align-items:center}.preview-page.theme-classic figure a img{margin:0}.preview-page.theme-classic figure a+figcaption{display:flex;justify-content:center;align-items:center;width:100%;margin-top:-35px;background:rgba(0,0,0,.7);color:white;line-height:35px;z-index:20}.preview-page.theme-classic figure figcaption{color:rgba(136,136,136,1);font-size:14px;line-height:1.5em;letter-spacing:0;text-align:center;font-weight:400;margin:5px 0 0;padding:0}.preview-page.theme-classic .table-container{margin:0;padding:0;overflow-x:auto}.preview-page.theme-classic .table-container table{display:table;text-align:left}.preview-page.theme-classic .table-container table thead tr th{color:rgba(0,0,0,1);font-size:15px;line-height:1.5em;letter-spacing:0;text-align:left;font-weight:700;background-attachment:scroll;background-clip:border-box;background-color:rgba(240,240,240,1);background-image:none;background-origin:padding-box;background-position-x:left;background-position-y:top;background-repeat:no-repeat;background-size:auto;width:auto;height:auto;border:1px solid rgba(204,204,204,.4);border-top-left-radius:0;border-top-right-radius:0;border-bottom-right-radius:0;border-bottom-left-radius:0;padding:5px 10px}.preview-page.theme-classic .table-container table thead tr th:nth-of-type(n){min-width:85px}.preview-page.theme-classic .table-container table tbody{font-size:15px;line-height:1.5em;letter-spacing:0;text-align:left;font-weight:400;border:0}.preview-page.theme-classic .table-container table tbody tr td:nth-of-type(n){min-width:85px}.preview-page.theme-classic .table-container table tbody tr td{padding:5px 10px}.preview-page.theme-classic .table-container table tbody tr:nth-of-type(odd){color:rgba(0,0,0,1);background-attachment:scroll;background-clip:border-box;background-color:rgba(255,255,255,1);background-image:none;background-origin:padding-box;background-position-x:left;background-position-y:top;background-repeat:no-repeat;background-size:auto;width:auto;height:auto}.preview-page.theme-classic .table-container table tbody tr:nth-of-type(odd) td{border:1px solid rgba(204,204,204,.4);border-top-left-radius:0;border-top-right-radius:0;border-bottom-right-radius:0;border-bottom-left-radius:0}.preview-page.theme-classic .table-container table tbody tr:nth-of-type(2n){color:rgba(0,0,0,1);background-attachment:scroll;background-clip:border-box;background-color:rgba(248,248,248,1);background-image:none;background-origin:padding-box;background-position-x:left;background-position-y:top;background-repeat:no-repeat;background-size:auto;width:auto;height:auto}.preview-page.theme-classic .table-container table tbody tr:nth-of-type(2n) td{border:1px solid rgba(204,204,204,.4);border-top-left-radius:0;border-top-right-radius:0;border-bottom-right-radius:0;border-bottom-left-radius:0}.preview-page.theme-classic .footnote-ref,.preview-page.theme-classic .footnote-word{color:rgba(30,107,184,1);font-weight:700}.preview-page.theme-classic .footnotes-sep:before{display:block;content:"参考资料";color:rgba(0,0,0,1);font-size:18px;line-height:1.5em;letter-spacing:0;text-align:left;font-weight:700}.preview-page.theme-classic .footnotes-sep{margin:30px 0 15px;padding:0;border:3px rgba(0,0,0,.4);border-top-left-radius:0;border-top-right-radius:0;border-bottom-right-radius:0;border-bottom-left-radius:0;background-attachment:scroll;background-clip:border-box;background-color:rgba(0,0,0,0);background-image:none;background-origin:padding-box;background-position-x:left;background-position-y:top;background-repeat:no-repeat;background-size:auto;width:auto;height:auto}.preview-page.theme-classic .footnotes span,.preview-page.theme-classic .footnotes span p{font-size:14px;line-height:1.8em;letter-spacing:0}.preview-page.theme-classic .footnotes{margin:0;padding:0;border:3px rgba(0,0,0,.4);border-top-left-radius:0;border-top-right-radius:0;border-bottom-right-radius:0;border-bottom-left-radius:0;background-attachment:scroll;background-clip:border-box;background-color:rgba(0,0,0,0);background-image:none;background-origin:padding-box;background-position-x:left;background-position-y:top;background-repeat:no-repeat;background-size:auto;width:auto;height:auto}.preview-page.theme-classic .footnote-item{display:flex}.preview-page.theme-classic .footnotes .footnote-num{color:rgba(0,0,0,.6);display:inline;width:10%;background:none;font-size:80%;font-family:ptima-Regular,Optima,PingFangSC-light,PingFangTC-light,PingFang SC,Cambria,Cochin,Georgia,Times,Times New Roman,serif;padding-top:2px}.preview-page.theme-classic .footnote-item p{color:rgba(0,0,0,1);font-weight:400;display:inline;padding:0;margin:0;word-break:break-all;flex-basis:0%;flex-grow:1}.preview-page.theme-classic .footnote-item p em{color:rgba(0,0,0,1);font-weight:400;font-style:italic;background-attachment:scroll;background-clip:border-box;background-color:rgba(0,0,0,0);background-image:none;background-origin:padding-box;background-position-x:left;background-position-y:top;background-repeat:no-repeat;background-size:auto;width:auto;height:auto;border:3px rgba(0,0,0,.4);border-top-left-radius:0;border-top-right-radius:0;border-bottom-right-radius:0;border-bottom-left-radius:0}.preview-page.theme-classic sub,sup{line-height:0}.preview-page.theme-classic .block-equation{text-align:center;overflow:auto;display:block;-webkit-overflow-scrolling:touch}.preview-page.theme-classic .block-equation svg{max-width:300%!important;-webkit-overflow-scrolling:touch}.preview-page.theme-classic .imageflow-layer1{margin:20px 0 10px;padding:0;border:none;overflow:hidden}.preview-page.theme-classic .imageflow-caption:before{display:block;content:"<<< 左右滑动见更多 >>>";color:rgba(136,136,136,1);font-size:14px;line-height:1.8em;letter-spacing:0;text-align:center;font-weight:400}.preview-page.theme-classic .imageflow-layer2{display:flex;flex-wrap:nowrap;overflow-x:scroll}.preview-page.theme-classic .imageflow-layer3{flex:0 0 100%}.preview-page.theme-classic .imageflow-img{display:inline-block}.preview-page.theme-classic .imageflow-caption{text-align:center;margin:0;padding:0}.preview-page.theme-classic .block-1{margin:15px 0;background-color:rgb(250,250,250);background-position-x:0;background-position-y:0;background-repeat:no-repeat;background-size:auto;padding:0;transform:none}.preview-page.theme-classic .block-1,.preview-page.theme-classic .block-1-inner{background-attachment:scroll;background-clip:border-box;background-image:none;background-origin:padding-box;width:auto;height:auto;align-items:unset;border:1px solid rgba(48,117,153,.34);border-top-left-radius:0;border-top-right-radius:0;border-bottom-left-radius:0;border-bottom-right-radius:0;box-shadow:none;display:block;flex-direction:unset;float:unset;justify-content:unset;line-height:1.5em;overflow-x:unset;overflow-y:unset;position:relative;text-align:left;text-shadow:none;-webkit-box-reflect:unset}.preview-page.theme-classic .block-1-inner{padding:15px;background-color:transparent;background-position-x:0;background-position-y:0;background-repeat:no-repeat;background-size:auto;margin:0;transform:translate3d(-5px,-5px,0)}.preview-page.theme-classic .block-2,.preview-page.theme-classic .block-3,.preview-page.theme-classic .block-4,.preview-page.theme-classic .block-5{margin:20px 0;padding:10px 20px;border:3px rgba(0,0,0,.4);border-top-left-radius:0;border-top-right-radius:0;border-bottom-right-radius:0;border-bottom-left-radius:0;background-attachment:scroll;background-clip:border-box;background-color:rgba(250,250,250,1);background-image:none;background-origin:padding-box;background-position-x:left;background-position-y:top;background-repeat:no-repeat;background-size:auto;width:auto;height:auto;box-shadow:0 0 0 0 rgba(0,0,0,0);display:block}.preview-page.theme-classic .column{display:flex}.preview-page.theme-classic .column .column-left{text-align:center;padding-right:5px;width:50%}.preview-page.theme-classic .column .column-right{text-align:center;padding-left:5px;width:50%}.preview-page.theme-classic .block-1 blockquote p{color:rgba(0,0,0,1);font-size:15px;line-height:1.8em;letter-spacing:0;text-align:left;font-weight:400;margin:0}.preview-page.theme-classic .block-1 blockquote{margin:20px 0;padding:10px 10px 10px 20px;border:3px rgba(0,0,0,.4);border-top-left-radius:0;border-top-right-radius:0;border-bottom-right-radius:0;border-bottom-left-radius:0;background-attachment:scroll;background-clip:border-box;background-color:rgba(255,255,255,1);background-image:none;background-origin:padding-box;background-position-x:left;background-position-y:top;background-repeat:no-repeat;background-size:auto;width:auto;height:auto;box-shadow:0 0 10px 0 rgba(0,0,0,.2);display:block;overflow:auto;-webkit-overflow-scrolling:touch}.preview-page.theme-classic .block-1 blockquote:before{display:none;content:"";color:rgba(0,0,0,1);font-size:16px;line-height:1.5em;letter-spacing:0;text-align:left;font-weight:400}