/* Bootstrap 5 基础样式 - 简化版 */
*,*::before,*::after{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;font-size:1rem;font-weight:400;line-height:1.5;color:#212529;background-color:#fff}
.container,.container-fluid{width:100%;padding-right:15px;padding-left:15px;margin-right:auto;margin-left:auto}
.container{max-width:1200px}
.row{display:flex;flex-wrap:wrap;margin-right:-15px;margin-left:-15px}
.col,.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-auto,.col-sm,.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-auto,.col-md,.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-auto,.col-lg,.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-auto{position:relative;width:100%;padding-right:15px;padding-left:15px}
.col{flex-basis:0;flex-grow:1;max-width:100%}
.col-12{flex:0 0 100%;max-width:100%}
.col-11{flex:0 0 91.666667%;max-width:91.666667%}
.col-10{flex:0 0 83.333333%;max-width:83.333333%}
.col-9{flex:0 0 75%;max-width:75%}
.col-8{flex:0 0 66.666667%;max-width:66.666667%}
.col-7{flex:0 0 58.333333%;max-width:58.333333%}
.col-6{flex:0 0 50%;max-width:50%}
.col-5{flex:0 0 41.666667%;max-width:41.666667%}
.col-4{flex:0 0 33.333333%;max-width:33.333333%}
.col-3{flex:0 0 25%;max-width:25%}
.col-2{flex:0 0 16.666667%;max-width:16.666667%}
.col-1{flex:0 0 8.333333%;max-width:8.333333%}
.navbar{position:relative;display:flex;flex-wrap:wrap;align-items:center;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:flex;flex-direction:column;padding-left:0;margin-bottom:0;list-style:none}
.navbar-nav .nav-link{padding-right:0;padding-left:0}
.nav-link{display:block;padding:.5rem 1rem;color:#007bff;text-decoration:none;background-color:transparent}
.nav-link:hover{color:#0056b3;text-decoration:none}
.btn{display:inline-block;font-weight:400;color:#212529;text-align:center;vertical-align:middle;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:hover{color:#212529;text-decoration:none}
.btn-primary{color:#fff;background-color:#007bff;border-color:#007bff}
.btn-primary:hover{color:#fff;background-color:#0069d9;border-color:#0062cc}
.btn-secondary{color:#fff;background-color:#6c757d;border-color:#6c757d}
.btn-success{color:#fff;background-color:#28a745;border-color:#28a745}
.btn-danger{color:#fff;background-color:#dc3545;border-color:#dc3545}
.btn-warning{color:#212529;background-color:#ffc107;border-color:#ffc107}
.btn-info{color:#fff;background-color:#17a2b8;border-color:#17a2b8}
.btn-light{color:#212529;background-color:#f8f9fa;border-color:#f8f9fa}
.btn-dark{color:#fff;background-color:#343a40;border-color:#343a40}
.btn-sm{padding:.25rem .5rem;font-size:.875rem;line-height:1.5;border-radius:.2rem}
.btn-lg{padding:.5rem 1rem;font-size:1.25rem;line-height:1.5;border-radius:.3rem}
.card{position:relative;display:flex;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{flex:1 1 auto;min-height:1px;padding:1.25rem}
.card-title{margin-bottom:.75rem}
.card-text:last-child{margin-bottom:0}
.card-header{padding:.75rem 1.25rem;margin-bottom:0;background-color:rgba(0,0,0,.03);border-bottom:1px solid rgba(0,0,0,.125)}
.form-group{margin-bottom:1rem}
.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-clip:padding-box;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-label{margin-bottom:.5rem}
.img-fluid{max-width:100%;height:auto}
.text-center{text-align:center!important}
.text-left{text-align:left!important}
.text-right{text-align:right!important}
.d-block{display:block!important}
.d-flex{display:flex!important}
.justify-content-between{justify-content:space-between!important}
.align-items-center{align-items:center!important}
.mt-3{margin-top:1rem!important}
.mb-3{margin-bottom:1rem!important}
.p-3{padding:1rem!important}
.table{width:100%;margin-bottom:1rem;color:#212529}
.table th,.table td{padding:.75rem;vertical-align:top;border-top:1px solid #dee2e6}
.table thead th{vertical-align:bottom;border-bottom:2px solid #dee2e6}
.alert{position:relative;padding:.75rem 1.25rem;margin-bottom:1rem;border:1px solid transparent;border-radius:.25rem}
.alert-success{color:#155724;background-color:#d4edda;border-color:#c3e6cb}
.alert-danger{color:#721c24;background-color:#f8d7da;border-color:#f5c6cb}
.alert-warning{color:#856404;background-color:#fff3cd;border-color:#ffeaa7}
.alert-info{color:#0c5460;background-color:#d1ecf1;border-color:#bee5eb}
.breadcrumb{display:flex;flex-wrap:wrap;padding:.75rem 1rem;margin-bottom:1rem;list-style:none;background-color:#e9ecef;border-radius:.25rem}
.breadcrumb-item+.breadcrumb-item{padding-left:.5rem}
.breadcrumb-item+.breadcrumb-item::before{display:inline-block;padding-right:.5rem;color:#6c757d;content:"/"}
@media (min-width:576px){.col-sm{flex-basis:0;flex-grow:1;max-width:100%}.col-sm-12{flex:0 0 100%;max-width:100%}.col-sm-6{flex:0 0 50%;max-width:50%}.col-sm-4{flex:0 0 33.333333%;max-width:33.333333%}.col-sm-3{flex:0 0 25%;max-width:25%}.navbar-nav{flex-direction:row}.navbar-nav .nav-link{padding-right:.5rem;padding-left:.5rem}}
@media (min-width:768px){.col-md{flex-basis:0;flex-grow:1;max-width:100%}.col-md-12{flex:0 0 100%;max-width:100%}.col-md-8{flex:0 0 66.666667%;max-width:66.666667%}.col-md-6{flex:0 0 50%;max-width:50%}.col-md-4{flex:0 0 33.333333%;max-width:33.333333%}.col-md-3{flex:0 0 25%;max-width:25%}}
@media (min-width:992px){.col-lg{flex-basis:0;flex-grow:1;max-width:100%}.col-lg-12{flex:0 0 100%;max-width:100%}.col-lg-9{flex:0 0 75%;max-width:75%}.col-lg-8{flex:0 0 66.666667%;max-width:66.666667%}.col-lg-6{flex:0 0 50%;max-width:50%}.col-lg-4{flex:0 0 33.333333%;max-width:33.333333%}.col-lg-3{flex:0 0 25%;max-width:25%}}