/* Bootstrap 4.6.0 本地版本 - 简化版 */
*,*::before,*::after{box-sizing:border-box}html{font-family:sans-serif;line-height:1.15;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:rgba(0,0,0,0)}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",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}

/* 容器样式 */
.container,.container-fluid,.container-sm,.container-md,.container-lg,.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-sm,.container-md{max-width:720px}}
@media (min-width:992px){.container,.container-sm,.container-md,.container-lg{max-width:960px}}
@media (min-width:1200px){.container,.container-sm,.container-md,.container-lg,.container-xl{max-width:1140px}}

/* 网格系统 */
.row{display:-ms-flexbox;display:flex;-ms-flex-wrap:wrap;flex-wrap:wrap;margin-right:-15px;margin-left:-15px}
.col-1,.col-2,.col-3,.col-4,.col-5,.col-6,.col-7,.col-8,.col-9,.col-10,.col-11,.col-12,.col,.col-auto,.col-sm-1,.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-10,.col-sm-11,.col-sm-12,.col-sm,.col-sm-auto,.col-md-1,.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-10,.col-md-11,.col-md-12,.col-md,.col-md-auto,.col-lg-1,.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-10,.col-lg-11,.col-lg-12,.col-lg,.col-lg-auto,.col-xl-1,.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-10,.col-xl-11,.col-xl-12,.col-xl,.col-xl-auto{position:relative;width:100%;padding-right:15px;padding-left:15px}

.col-lg-4{-ms-flex:0 0 33.333333%;flex:0 0 33.333333%;max-width:33.333333%}
.col-lg-6{-ms-flex:0 0 50%;flex:0 0 50%;max-width:50%}
.col-md-6{-ms-flex:0 0 50%;flex:0 0 50%;max-width:50%}

/* 导航栏 */
.navbar{position:relative;display:-ms-flexbox;display:flex;-ms-flex-wrap:wrap;flex-wrap:wrap;-ms-flex-align:center;align-items:center;-ms-flex-pack:justify;justify-content:space-between;padding:.5rem 1rem}
.navbar-brand{display:inline-block;padding-top:.3125rem;padding-bottom:.3125rem;margin-right:1rem;font-size:1.25rem;line-height:inherit;white-space:nowrap}
.navbar-nav{display:-ms-flexbox;display:flex;-ms-flex-direction:column;flex-direction:column;padding-left:0;margin-bottom:0;list-style:none}
.navbar-nav .nav-link{padding-right:0;padding-left:0}
.navbar-expand-lg .navbar-nav{-ms-flex-direction:row;flex-direction:row}
.navbar-expand-lg .navbar-nav .nav-link{padding-right:.5rem;padding-left:.5rem}
.navbar-light .navbar-brand{color:rgba(0,0,0,.9)}
.navbar-light .navbar-nav .nav-link{color:rgba(0,0,0,.5)}

/* 按钮 */
.btn{display:inline-block;font-weight:400;color:#212529;text-align:center;vertical-align:middle;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;background-color:transparent;border:1px solid transparent;padding:.375rem .75rem;font-size:1rem;line-height:1.5;border-radius:.25rem;transition:color .15s ease-in-out,background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out}
.btn-primary{color:#fff;background-color:#007bff;border-color:#007bff}
.btn-primary:hover{color:#fff;background-color:#0069d9;border-color:#0062cc}
.btn-outline-primary{color:#007bff;border-color:#007bff}
.btn-outline-primary:hover{color:#fff;background-color:#007bff;border-color:#007bff}
.btn-lg{padding:.5rem 1rem;font-size:1.25rem;line-height:1.5;border-radius:.3rem}

/* 卡片 */
.card{position:relative;display:-ms-flexbox;display:flex;-ms-flex-direction:column;flex-direction:column;min-width:0;word-wrap:break-word;background-color:#fff;background-clip:border-box;border:1px solid rgba(0,0,0,.125);border-radius:.25rem}
.card-body{-ms-flex:1 1 auto;flex:1 1 auto;padding:1.25rem}
.card-title{margin-bottom:.75rem}
.card-text:last-child{margin-bottom:0}

/* 徽章 */
.badge{display:inline-block;padding:.25em .4em;font-size:75%;font-weight:700;line-height:1;text-align:center;white-space:nowrap;vertical-align:baseline;border-radius:.25rem}
.badge-success{color:#fff;background-color:#28a745}

/* 工具类 */
.d-block{display:block!important}
.d-flex{display:-ms-flexbox!important;display:flex!important}
.text-center{text-align:center!important}
.text-left{text-align:left!important}
.text-primary{color:#007bff!important}
.text-muted{color:#6c757d!important}
.text-white{color:#fff!important}
.bg-white{background-color:#fff!important}
.bg-light{background-color:#f8f9fa!important}
.shadow-sm{box-shadow:0 .125rem .25rem rgba(0,0,0,.075)!important}
.align-items-center{-ms-flex-align:center!important;align-items:center!important}
.font-weight-bold{font-weight:700!important}
.mr-1{margin-right:.25rem!important}
.mr-2{margin-right:.5rem!important}
.mr-3{margin-right:1rem!important}
.ml-2{margin-left:.5rem!important}
.ml-auto{margin-left:auto!important}
.mb-4{margin-bottom:1.5rem!important}
.px-3{padding-left:1rem!important;padding-right:1rem!important}
.py-5{padding-top:3rem!important;padding-bottom:3rem!important}
.lead{font-size:1.25rem;font-weight:300}
.display-4{font-size:3.5rem;font-weight:300;line-height:1.2}

/* 下拉菜单 */
.dropdown{position:relative}
.dropdown-toggle{white-space:nowrap}
.dropdown-toggle::after{display:inline-block;margin-left:.255em;vertical-align:.255em;content:"";border-top:.3em solid;border-right:.3em solid transparent;border-bottom:0;border-left:.3em solid transparent}
.dropdown-menu{position:absolute;top:100%;left:0;z-index:1000;display:none;float:left;min-width:10rem;padding:.5rem 0;margin:.125rem 0 0;font-size:1rem;color:#212529;text-align:left;list-style:none;background-color:#fff;background-clip:padding-box;border:1px solid rgba(0,0,0,.15);border-radius:.25rem}
.dropdown-menu.show{display:block}
.dropdown-item{display:block;width:100%;padding:.25rem 1.5rem;clear:both;font-weight:400;color:#212529;text-align:inherit;white-space:nowrap;background-color:transparent;border:0}
.dropdown-item:hover{color:#16181b;text-decoration:none;background-color:#f8f9fa}
.dropdown-divider{height:0;margin:.5rem 0;overflow:hidden;border-top:1px solid #e9ecef}

/* 表单 */
.form-control{display:block;width:100%;height:calc(1.5em + .75rem + 2px);padding:.375rem .75rem;font-size:1rem;font-weight:400;line-height:1.5;color:#495057;background-color:#fff;background-image:none;border:1px solid #ced4da;border-radius:.25rem;transition:border-color .15s ease-in-out,box-shadow .15s ease-in-out}
.form-control:focus{color:#495057;background-color:#fff;border-color:#80bdff;outline:0;box-shadow:0 0 0 .2rem rgba(0,123,255,.25)}
.form-group{margin-bottom:1rem}
.input-group{position:relative;display:-ms-flexbox;display:flex;-ms-flex-wrap:wrap;flex-wrap:wrap;-ms-flex-align:stretch;align-items:stretch;width:100%}
.input-group-append{margin-left:-1px}
.input-group-append .btn{position:relative;z-index:2}

@media (min-width:768px){.col-md-6{-ms-flex:0 0 50%;flex:0 0 50%;max-width:50%}}
@media (min-width:992px){.col-lg-4{-ms-flex:0 0 33.333333%;flex:0 0 33.333333%;max-width:33.333333%}.col-lg-6{-ms-flex:0 0 50%;flex:0 0 50%;max-width:50%}}