/*!
 * Bootstrap v4.6.0 (https://getbootstrap.com/)
 * Copyright 2011-2021 The Bootstrap Authors
 * Copyright 2011-2021 Twitter, Inc.
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
 */

/* 简化版Bootstrap核心样式 */
*,::after,::before{box-sizing:border-box}
html{font-family:sans-serif;line-height:1.15;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}
article,aside,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Liberation Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";font-size:1rem;font-weight:400;line-height:1.5;color:#212529;text-align:left;background-color:#fff}
[tabindex="-1"]:focus:not(:focus-visible){outline:0!important}
hr{box-sizing:content-box;height:0;overflow:visible}
h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:.5rem}
p{margin-top:0;margin-bottom:1rem}
abbr[data-original-title],abbr[title]{text-decoration:underline;-webkit-text-decoration:underline dotted;text-decoration:underline dotted;cursor:help;border-bottom:0;-webkit-text-decoration-skip-ink:none;text-decoration-skip-ink:none}
address{margin-bottom:1rem;font-style:normal;line-height:inherit}
dl,ol,ul{margin-top:0;margin-bottom:1rem}
ol ol,ol ul,ul ol,ul ul{margin-bottom:0}
dt{font-weight:700}
dd{margin-bottom:.5rem;margin-left:0}
blockquote{margin:0 0 1rem}
b,strong{font-weight:bolder}
small{font-size:80%}
sub,sup{position:relative;font-size:75%;line-height:0;vertical-align:baseline}
sub{bottom:-.25em}
sup{top:-.5em}
a{color:#007bff;text-decoration:none;background-color:transparent}
a:hover{color:#0056b3;text-decoration:underline}
a:not([href]):not([class]){color:inherit;text-decoration:none}
a:not([href]):not([class]):hover{color:inherit;text-decoration:none}
code,kbd,pre,samp{font-family:SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;font-size:1em}
pre{margin-top:0;margin-bottom:1rem;overflow:auto;-ms-overflow-style:scrollbar}
figure{margin:0 0 1rem}
img{vertical-align:middle;border-style:none}
svg{overflow:hidden;vertical-align:middle}
table{border-collapse:collapse}
caption{padding-top:.75rem;padding-bottom:.75rem;color:#6c757d;text-align:left;caption-side:bottom}
th{text-align:inherit;text-align:-webkit-match-parent}
label{display:inline-block;margin-bottom:.5rem}
button{border-radius:0}
button:focus:not(:focus-visible){outline:0}
button,input,optgroup,select,textarea{margin:0;font-family:inherit;font-size:inherit;line-height:inherit}
button,input{overflow:visible}
button,select{text-transform:none}
[role=button]{cursor:pointer}
select{word-wrap:normal}
[type=button],[type=reset],[type=submit],button{-webkit-appearance:button}
[type=button]:not(:disabled),[type=reset]:not(:disabled),[type=submit]:not(:disabled),button:not(:disabled){cursor:pointer}
[type=button]::-moz-focus-inner,[type=reset]::-moz-focus-inner,[type=submit]::-moz-focus-inner,button::-moz-focus-inner{padding:0;border-style:none}
input[type=checkbox],input[type=radio]{box-sizing:border-box;padding:0}
textarea{overflow:auto;resize:vertical}
fieldset{min-width:0;padding:0;margin:0;border:0}
legend{display:block;width:100%;max-width:100%;padding:0;margin-bottom:.5rem;font-size:1.5rem;line-height:inherit;color:inherit;white-space:normal}
progress{vertical-align:baseline}
[type=number]::-webkit-inner-spin-button,[type=number]::-webkit-outer-spin-button{height:auto}
[type=search]{outline-offset:-2px;-webkit-appearance:none}
[type=search]::-webkit-search-decoration{-webkit-appearance:none}
::-webkit-file-upload-button{font:inherit;-webkit-appearance:button}
output{display:inline-block}
summary{display:list-item;cursor:pointer}
template{display:none}
[hidden]{display:none!important}

/* 网格系统 */
.container,.container-fluid,.container-lg,.container-md,.container-sm,.container-xl{width:100%;padding-right:15px;padding-left:15px;margin-right:auto;margin-left:auto}
@media (min-width:576px){.container,.container-sm{max-width:540px}}
@media (min-width:768px){.container,.container-md,.container-sm{max-width:720px}}
@media (min-width:992px){.container,.container-lg,.container-md,.container-sm{max-width:960px}}
@media (min-width:1200px){.container,.container-lg,.container-md,.container-sm,.container-xl{max-width:1140px}}
.row{display:-ms-flexbox;display:flex;-ms-flex-wrap:wrap;flex-wrap:wrap;margin-right:-15px;margin-left:-15px}
.no-gutters{margin-right:0;margin-left:0}
.no-gutters>.col,.no-gutters>[class*=col-]{padding-right:0;padding-left:0}
.col,.col-1,.col-10,.col-11,.col-12,.col-2,.col-3,.col-4,.col-5,.col-6,.col-7,.col-8,.col-9,.col-auto,.col-lg,.col-lg-1,.col-lg-10,.col-lg-11,.col-lg-12,.col-lg-2,.col-lg-3,.col-lg-4,.col-lg-5,.col-lg-6,.col-lg-7,.col-lg-8,.col-lg-9,.col-lg-auto,.col-md,.col-md-1,.col-md-10,.col-md-11,.col-md-12,.col-md-2,.col-md-3,.col-md-4,.col-md-5,.col-md-6,.col-md-7,.col-md-8,.col-md-9,.col-md-auto,.col-sm,.col-sm-1,.col-sm-10,.col-sm-11,.col-sm-12,.col-sm-2,.col-sm-3,.col-sm-4,.col-sm-5,.col-sm-6,.col-sm-7,.col-sm-8,.col-sm-9,.col-sm-auto,.col-xl,.col-xl-1,.col-xl-10,.col-xl-11,.col-xl-12,.col-xl-2,.col-xl-3,.col-xl-4,.col-xl-5,.col-xl-6,.col-xl-7,.col-xl-8,.col-xl-9,.col-xl-auto{position:relative;width:100%;padding-right:15px;padding-left:15px}
.col{-ms-flex-preferred-size:0;flex-basis:0;-ms-flex-positive:1;flex-grow:1;max-width:100%}
.col-auto{-ms-flex:0 0 auto;flex:0 0 auto;width:auto;max-width:100%}
.col-1{-ms-flex:0 0 8.333333%;flex:0 0 8.333333%;max-width:8.333333%}
.col-2{-ms-flex:0 0 16.666667%;flex:0 0 16.666667%;max-width:16.666667%}
.col-3{-ms-flex:0 0 25%;flex:0 0 25%;max-width:25%}
.col-4{-ms-flex:0 0 33.333333%;flex:0 0 33.333333%;max-width:33.333333%}
.col-5{-ms-flex:0 0 41.666667%;flex:0 0 41.666667%;max-width:41.666667%}
.col-6{-ms-flex:0 0 50%;flex:0 0 50%;max-width:50%}
.col-7{-ms-flex:0 0 58.333333%;flex:0 0 58.333333%;max-width:58.333333%}
.col-8{-ms-flex:0 0 66.666667%;flex:0 0 66.666667%;max-width:66.666667%}
.col-9{-ms-flex:0 0 75%;flex:0 0 75%;max-width:75%}
.col-10{-ms-flex:0 0 83.333333%;flex:0 0 83.333333%;max-width:83.333333%}
.col-11{-ms-flex:0 0 91.666667%;flex:0 0 91.666667%;max-width:91.666667%}
.col-12{-ms-flex:0 0 100%;flex:0 0 100%;max-width:100%}

@media (min-width:576px){.col-sm{-ms-flex-preferred-size:0;flex-basis:0;-ms-flex-positive:1;flex-grow:1;max-width:100%}.col-sm-auto{-ms-flex:0 0 auto;flex:0 0 auto;width:auto;max-width:100%}.col-sm-1{-ms-flex:0 0 8.333333%;flex:0 0 8.333333%;max-width:8.333333%}.col-sm-2{-ms-flex:0 0 16.666667%;flex:0 0 16.666667%;max-width:16.666667%}.col-sm-3{-ms-flex:0 0 25%;flex:0 0 25%;max-width:25%}.col-sm-4{-ms-flex:0 0 33.333333%;flex:0 0 33.333333%;max-width:33.333333%}.col-sm-5{-ms-flex:0 0 41.666667%;flex:0 0 41.666667%;max-width:41.666667%}.col-sm-6{-ms-flex:0 0 50%;flex:0 0 50%;max-width:50%}.col-sm-7{-ms-flex:0 0 58.333333%;flex:0 0 58.333333%;max-width:58.333333%}.col-sm-8{-ms-flex:0 0 66.666667%;flex:0 0 66.666667%;max-width:66.666667%}.col-sm-9{-ms-flex:0 0 75%;flex:0 0 75%;max-width:75%}.col-sm-10{-ms-flex:0 0 83.333333%;flex:0 0 83.333333%;max-width:83.333333%}.col-sm-11{-ms-flex:0 0 91.666667%;flex:0 0 91.666667%;max-width:91.666667%}.col-sm-12{-ms-flex:0 0 100%;flex:0 0 100%;max-width:100%}}

@media (min-width:768px){.col-md{-ms-flex-preferred-size:0;flex-basis:0;-ms-flex-positive:1;flex-grow:1;max-width:100%}.col-md-auto{-ms-flex:0 0 auto;flex:0 0 auto;width:auto;max-width:100%}.col-md-1{-ms-flex:0 0 8.333333%;flex:0 0 8.333333%;max-width:8.333333%}.col-md-2{-ms-flex:0 0 16.666667%;flex:0 0 16.666667%;max-width:16.666667%}.col-md-3{-ms-flex:0 0 25%;flex:0 0 25%;max-width:25%}.col-md-4{-ms-flex:0 0 33.333333%;flex:0 0 33.333333%;max-width:33.333333%}.col-md-5{-ms-flex:0 0 41.666667%;flex:0 0 41.666667%;max-width:41.666667%}.col-md-6{-ms-flex:0 0 50%;flex:0 0 50%;max-width:50%}.col-md-7{-ms-flex:0 0 58.333333%;flex:0 0 58.333333%;max-width:58.333333%}.col-md-8{-ms-flex:0 0 66.666667%;flex:0 0 66.666667%;max-width:66.666667%}.col-md-9{-ms-flex:0 0 75%;flex:0 0 75%;max-width:75%}.col-md-10{-ms-flex:0 0 83.333333%;flex:0 0 83.333333%;max-width:83.333333%}.col-md-11{-ms-flex:0 0 91.666667%;flex:0 0 91.666667%;max-width:91.666667%}.col-md-12{-ms-flex:0 0 100%;flex:0 0 100%;max-width:100%}}

@media (min-width:992px){.col-lg{-ms-flex-preferred-size:0;flex-basis:0;-ms-flex-positive:1;flex-grow:1;max-width:100%}.col-lg-auto{-ms-flex:0 0 auto;flex:0 0 auto;width:auto;max-width:100%}.col-lg-1{-ms-flex:0 0 8.333333%;flex:0 0 8.333333%;max-width:8.333333%}.col-lg-2{-ms-flex:0 0 16.666667%;flex:0 0 16.666667%;max-width:16.666667%}.col-lg-3{-ms-flex:0 0 25%;flex:0 0 25%;max-width:25%}.col-lg-4{-ms-flex:0 0 33.333333%;flex:0 0 33.333333%;max-width:33.333333%}.col-lg-5{-ms-flex:0 0 41.666667%;flex:0 0 41.666667%;max-width:41.666667%}.col-lg-6{-ms-flex:0 0 50%;flex:0 0 50%;max-width:50%}.col-lg-7{-ms-flex:0 0 58.333333%;flex:0 0 58.333333%;max-width:58.333333%}.col-lg-8{-ms-flex:0 0 66.666667%;flex:0 0 66.666667%;max-width:66.666667%}.col-lg-9{-ms-flex:0 0 75%;flex:0 0 75%;max-width:75%}.col-lg-10{-ms-flex:0 0 83.333333%;flex:0 0 83.333333%;max-width:83.333333%}.col-lg-11{-ms-flex:0 0 91.666667%;flex:0 0 91.666667%;max-width:91.666667%}.col-lg-12{-ms-flex:0 0 100%;flex:0 0 100%;max-width:100%}}

/* 实用工具类 */
.d-none{display:none!important}
.d-inline{display:inline!important}
.d-inline-block{display:inline-block!important}
.d-block{display:block!important}
.d-table{display:table!important}
.d-table-row{display:table-row!important}
.d-table-cell{display:table-cell!important}
.d-flex{display:-ms-flexbox!important;display:flex!important}
.d-inline-flex{display:-ms-inline-flexbox!important;display:inline-flex!important}

@media (min-width:576px){.d-sm-none{display:none!important}.d-sm-inline{display:inline!important}.d-sm-inline-block{display:inline-block!important}.d-sm-block{display:block!important}.d-sm-table{display:table!important}.d-sm-table-row{display:table-row!important}.d-sm-table-cell{display:table-cell!important}.d-sm-flex{display:-ms-flexbox!important;display:flex!important}.d-sm-inline-flex{display:-ms-inline-flexbox!important;display:inline-flex!important}}

@media (min-width:768px){.d-md-none{display:none!important}.d-md-inline{display:inline!important}.d-md-inline-block{display:inline-block!important}.d-md-block{display:block!important}.d-md-table{display:table!important}.d-md-table-row{display:table-row!important}.d-md-table-cell{display:table-cell!important}.d-md-flex{display:-ms-flexbox!important;display:flex!important}.d-md-inline-flex{display:-ms-inline-flexbox!important;display:inline-flex!important}}

@media (min-width:992px){.d-lg-none{display:none!important}.d-lg-inline{display:inline!important}.d-lg-inline-block{display:inline-block!important}.d-lg-block{display:block!important}.d-lg-table{display:table!important}.d-lg-table-row{display:table-row!important}.d-lg-table-cell{display:table-cell!important}.d-lg-flex{display:-ms-flexbox!important;display:flex!important}.d-lg-inline-flex{display:-ms-inline-flexbox!important;display:inline-flex!important}}

.justify-content-start{-ms-flex-pack:start!important;justify-content:flex-start!important}
.justify-content-end{-ms-flex-pack:end!important;justify-content:flex-end!important}
.justify-content-center{-ms-flex-pack:center!important;justify-content:center!important}
.justify-content-between{-ms-flex-pack:justify!important;justify-content:space-between!important}
.justify-content-around{-ms-flex-pack:distribute!important;justify-content:space-around!important}
.align-items-start{-ms-flex-align:start!important;align-items:flex-start!important}
.align-items-end{-ms-flex-align:end!important;align-items:flex-end!important}
.align-items-center{-ms-flex-align:center!important;align-items:center!important}
.align-items-baseline{-ms-flex-align:baseline!important;align-items:baseline!important}
.align-items-stretch{-ms-flex-align:stretch!important;align-items:stretch!important}

/* 文本工具类 */
.text-left{text-align:left!important}
.text-right{text-align:right!important}
.text-center{text-align:center!important}
.text-justify{text-align:justify!important}
.text-wrap{white-space:normal!important}
.text-nowrap{white-space:nowrap!important}
.text-truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.text-lowercase{text-transform:lowercase!important}
.text-uppercase{text-transform:uppercase!important}
.text-capitalize{text-transform:capitalize!important}
.font-weight-light{font-weight:300!important}
.font-weight-lighter{font-weight:lighter!important}
.font-weight-normal{font-weight:400!important}
.font-weight-bold{font-weight:700!important}
.font-weight-bolder{font-weight:bolder!important}
.font-italic{font-style:italic!important}
.text-white{color:#fff!important}
.text-primary{color:#007bff!important}
.text-secondary{color:#6c757d!important}
.text-success{color:#28a745!important}
.text-info{color:#17a2b8!important}
.text-warning{color:#ffc107!important}
.text-danger{color:#dc3545!important}
.text-light{color:#f8f9fa!important}
.text-dark{color:#343a40!important}
.text-body{color:#212529!important}
.text-muted{color:#6c757d!important}
.text-black-50{color:rgba(0,0,0,.5)!important}
.text-white-50{color:rgba(255,255,255,.5)!important}
.text-decoration-none{text-decoration:none!important}
.text-break{word-break:break-word!important;word-wrap:break-word!important}
.text-reset{color:inherit!important}

/* 背景工具类 */
.bg-primary{background-color:#007bff!important}
.bg-secondary{background-color:#6c757d!important}
.bg-success{background-color:#28a745!important}
.bg-info{background-color:#17a2b8!important}
.bg-warning{background-color:#ffc107!important}
.bg-danger{background-color:#dc3545!important}
.bg-light{background-color:#f8f9fa!important}
.bg-dark{background-color:#343a40!important}
.bg-white{background-color:#fff!important}
.bg-transparent{background-color:transparent!important}

/* 间距工具类 */
.m-0{margin:0!important}
.mt-0,.my-0{margin-top:0!important}
.mr-0,.mx-0{margin-right:0!important}
.mb-0,.my-0{margin-bottom:0!important}
.ml-0,.mx-0{margin-left:0!important}
.m-1{margin:.25rem!important}
.mt-1,.my-1{margin-top:.25rem!important}
.mr-1,.mx-1{margin-right:.25rem!important}
.mb-1,.my-1{margin-bottom:.25rem!important}
.ml-1,.mx-1{margin-left:.25rem!important}
.m-2{margin:.5rem!important}
.mt-2,.my-2{margin-top:.5rem!important}
.mr-2,.mx-2{margin-right:.5rem!important}
.mb-2,.my-2{margin-bottom:.5rem!important}
.ml-2,.mx-2{margin-left:.5rem!important}
.m-3{margin:1rem!important}
.mt-3,.my-3{margin-top:1rem!important}
.mr-3,.mx-3{margin-right:1rem!important}
.mb-3,.my-3{margin-bottom:1rem!important}
.ml-3,.mx-3{margin-left:1rem!important}
.m-4{margin:1.5rem!important}
.mt-4,.my-4{margin-top:1.5rem!important}
.mr-4,.mx-4{margin-right:1.5rem!important}
.mb-4,.my-4{margin-bottom:1.5rem!important}
.ml-4,.mx-4{margin-left:1.5rem!important}
.m-5{margin:3rem!important}
.mt-5,.my-5{margin-top:3rem!important}
.mr-5,.mx-5{margin-right:3rem!important}
.mb-5,.my-5{margin-bottom:3rem!important}
.ml-5,.mx-5{margin-left:3rem!important}
.p-0{padding:0!important}
.pt-0,.py-0{padding-top:0!important}
.pr-0,.px-0{padding-right:0!important}
.pb-0,.py-0{padding-bottom:0!important}
.pl-0,.px-0{padding-left:0!important}
.p-1{padding:.25rem!important}
.pt-1,.py-1{padding-top:.25rem!important}
.pr-1,.px-1{padding-right:.25rem!important}
.pb-1,.py-1{padding-bottom:.25rem!important}
.pl-1,.px-1{padding-left:.25rem!important}
.p-2{padding:.5rem!important}
.pt-2,.py-2{padding-top:.5rem!important}
.pr-2,.px-2{padding-right:.5rem!important}
.pb-2,.py-2{padding-bottom:.5rem!important}
.pl-2,.px-2{padding-left:.5rem!important}
.p-3{padding:1rem!important}
.pt-3,.py-3{padding-top:1rem!important}
.pr-3,.px-3{padding-right:1rem!important}
.pb-3,.py-3{padding-bottom:1rem!important}
.pl-3,.px-3{padding-left:1rem!important}
.p-4{padding:1.5rem!important}
.pt-4,.py-4{padding-top:1.5rem!important}
.pr-4,.px-4{padding-right:1.5rem!important}
.pb-4,.py-4{padding-bottom:1.5rem!important}
.pl-4,.px-4{padding-left:1.5rem!important}
.p-5{padding:3rem!important}
.pt-5,.py-5{padding-top:3rem!important}
.pr-5,.px-5{padding-right:3rem!important}
.pb-5,.py-5{padding-bottom:3rem!important}
.pl-5,.px-5{padding-left:3rem!important}

/* 显示工具类 */
.visible{visibility:visible!important}
.invisible{visibility:hidden!important}

/* 屏幕阅读器 */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.sr-only-focusable:active,.sr-only-focusable:focus{position:static;width:auto;height:auto;overflow:visible;clip:auto;white-space:normal}

/* 打印样式 */
@media print{.d-print-none{display:none!important}.d-print-inline{display:inline!important}.d-print-inline-block{display:inline-block!important}.d-print-block{display:block!important}.d-print-table{display:table!important}.d-print-table-row{display:table-row!important}.d-print-table-cell{display:table-cell!important}.d-print-flex{display:-ms-flexbox!important;display:flex!important}.d-print-inline-flex{display:-ms-inline-flexbox!important;display:inline-flex!important}}