/* Bootstrap v5 简化版 - 核心样式 */
*, *::before, *::after { box-sizing: border-box; }
html { font-size: 16px; }
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; }
h1, h2, h3, h4, h5, h6 { margin-top: 0; margin-bottom: .5rem; font-weight: 500; line-height: 1.2; }
h1 { font-size: 2.5rem; } h2 { font-size: 2rem; } h3 { font-size: 1.75rem; } h4 { font-size: 1.5rem; } h5 { font-size: 1.25rem; } h6 { font-size: 1rem; }
p { margin-top: 0; margin-bottom: 1rem; }
a { color: #0d6efd; text-decoration: underline; }
a:hover { color: #0a58ca; }
ul, ol { margin-top: 0; margin-bottom: 1rem; }
.container { width: 100%; padding-right: var(--bs-gutter-x, .75rem); padding-left: var(--bs-gutter-x, .75rem); margin-right: auto; margin-left: auto; }
.container-fluid { width: 100%; padding-right: var(--bs-gutter-x, .75rem); padding-left: var(--bs-gutter-x, .75rem); margin-right: auto; margin-left: auto; }
.row { --bs-gutter-x: 1.5rem; --bs-gutter-y: 0; display: flex; flex-wrap: wrap; margin-top: calc(var(--bs-gutter-y) * -1); margin-right: calc(var(--bs-gutter-x) * -0.5); margin-left: calc(var(--bs-gutter-x) * -0.5); }
.row > * { flex-shrink: 0; width: 100%; max-width: 100%; padding-right: calc(var(--bs-gutter-x) * 0.5); padding-left: calc(var(--bs-gutter-x) * 0.5); margin-top: var(--bs-gutter-y); }
.col { flex: 1 0 0%; }
.col-1, .col-2, .col-3, .col-4, .col-5, .col-6, .col-7, .col-8, .col-9, .col-10, .col-11, .col-12 { flex: 0 0 auto; }
.col-1 { width: 8.333333%; } .col-2 { width: 16.666667%; } .col-3 { width: 25%; } .col-4 { width: 33.333333%; } .col-5 { width: 41.666667%; } .col-6 { width: 50%; } .col-7 { width: 58.333333%; } .col-8 { width: 66.666667%; } .col-9 { width: 75%; } .col-10 { width: 83.333333%; } .col-11 { width: 91.666667%; } .col-12 { width: 100%; }
@media (min-width: 768px) { .col-md-1 { width: 8.333333%; } .col-md-2 { width: 16.666667%; } .col-md-3 { width: 25%; } .col-md-4 { width: 33.333333%; } .col-md-5 { width: 41.666667%; } .col-md-6 { width: 50%; } .col-md-7 { width: 58.333333%; } .col-md-8 { width: 66.666667%; } .col-md-9 { width: 75%; } .col-md-10 { width: 83.333333%; } .col-md-11 { width: 91.666667%; } .col-md-12 { width: 100%; } }
.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; padding: 1rem; }
.card-header { padding: .5rem 1rem; margin-bottom: 0; background-color: rgba(0,0,0,.03); border-bottom: 1px solid rgba(0,0,0,.125); }
.card-header:first-child { border-radius: calc(.25rem - 1px) calc(.25rem - 1px) 0 0; }
.btn { display: inline-block; font-weight: 400; line-height: 1.5; color: #212529; text-align: center; text-decoration: none; vertical-align: middle; cursor: pointer; background-color: transparent; border: 1px solid transparent; padding: .375rem .75rem; font-size: 1rem; 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; }
.btn-primary { color: #fff; background-color: #0d6efd; border-color: #0d6efd; }
.btn-primary:hover { color: #fff; background-color: #0b5ed7; border-color: #0a58ca; }
.btn-secondary { color: #fff; background-color: #6c757d; border-color: #6c757d; }
.btn-success { color: #fff; background-color: #198754; border-color: #198754; }
.btn-danger { color: #fff; background-color: #dc3545; border-color: #dc3545; }
.btn-warning { color: #000; background-color: #ffc107; border-color: #ffc107; }
.btn-info { color: #000; background-color: #0dcaf0; border-color: #0dcaf0; }
.btn-light { color: #000; background-color: #f8f9fa; border-color: #f8f9fa; }
.btn-outline-primary { color: #0d6efd; border-color: #0d6efd; }
.btn-outline-primary:hover { color: #fff; background-color: #0d6efd; }
.btn-outline-success { color: #198754; border-color: #198754; }
.btn-outline-success:hover { color: #fff; background-color: #198754; }
.btn-outline-warning { color: #ffc107; border-color: #ffc107; }
.btn-outline-warning:hover { color: #000; background-color: #ffc107; }
.btn-outline-danger { color: #dc3545; border-color: #dc3545; }
.btn-outline-danger:hover { color: #fff; background-color: #dc3545; }
.btn-sm { padding: .25rem .5rem; font-size: .875rem; border-radius: .2rem; }
.btn-lg { padding: .5rem 1rem; font-size: 1.25rem; border-radius: .3rem; }
.btn-block { display: block; width: 100%; }
.btn-close { box-sizing: content-box; width: 1em; height: 1em; padding: .25em .25em; color: #000; background: transparent url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23000'%3e%3cpath d='M.293.293a1 1 0 011.414 0L8 6.586 14.293.293a1 1 0 111.414 1.414L9.414 8l6.293 6.293a1 1 0 01-1.414 1.414L8 9.414l-6.293 6.293a1 1 0 01-1.414-1.414L6.586 8 .293 1.707a1 1 0 010-1.414z'/%3e%3c/svg%3e") center/1em auto no-repeat; border: 0; border-radius: .25rem; opacity: .5; }
.btn-close:hover { opacity: 1; }
.form-control { display: block; width: 100%; padding: .375rem .75rem; font-size: 1rem; font-weight: 400; line-height: 1.5; color: #212529; 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: #212529; background-color: #fff; border-color: #86b7fe; outline: 0; box-shadow: 0 0 0 .25rem rgba(13,110,253,.25); }
.form-select { display: block; width: 100%; padding: .375rem 2.25rem .375rem .75rem; font-size: 1rem; font-weight: 400; line-height: 1.5; color: #212529; background-color: #fff; background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e"); background-repeat: no-repeat; background-position: right .75rem center; background-size: 16px 12px; border: 1px solid #ced4da; border-radius: .25rem; }
.form-label { display: inline-block; margin-bottom: .5rem; font-weight: 500; }
.form-check { display: block; min-height: 1.5rem; padding-left: 1.5em; margin-bottom: .125rem; }
.form-check-input { width: 1em; height: 1em; margin-top: .25em; vertical-align: top; background-color: #fff; background-repeat: no-repeat; background-position: center; background-size: contain; border: 1px solid rgba(0,0,0,.25); appearance: none; print-color-adjust: exact; }
.form-check-input:checked { background-color: #0d6efd; border-color: #0d6efd; }
.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: .25rem !important; }
.mb-2 { margin-bottom: .5rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.mb-4 { margin-bottom: 1.5rem !important; }
.mb-5 { margin-bottom: 3rem !important; }
.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: .25rem !important; }
.mt-2 { margin-top: .5rem !important; }
.mt-3 { margin-top: 1rem !important; }
.mt-4 { margin-top: 1.5rem !important; }
.me-1 { margin-right: .25rem !important; }
.me-2 { margin-right: .5rem !important; }
.me-3 { margin-right: 1rem !important; }
.ms-1 { margin-left: .25rem !important; }
.ms-2 { margin-left: .5rem !important; }
.ms-3 { margin-left: 1rem !important; }
.mx-auto { margin-right: auto !important; margin-left: auto !important; }
.py-2 { padding-top: .5rem !important; padding-bottom: .5rem !important; }
.py-3 { padding-top: 1rem !important; padding-bottom: 1rem !important; }
.py-4 { padding-top: 1.5rem !important; padding-bottom: 1.5rem !important; }
.p-0 { padding: 0 !important; }
.p-1 { padding: .25rem !important; }
.p-2 { padding: .5rem !important; }
.p-3 { padding: 1rem !important; }
.p-4 { padding: 1.5rem !important; }
.px-2 { padding-right: .5rem !important; padding-left: .5rem !important; }
.px-3 { padding-right: 1rem !important; padding-left: 1rem !important; }
.py-1 { padding-top: .25rem !important; padding-bottom: .25rem !important; }
.g-3 { --bs-gutter-x: 1rem; --bs-gutter-y: 1rem; }
.g-4 { --bs-gutter-x: 1.5rem; --bs-gutter-y: 1.5rem; }
.d-flex { display: flex !important; }
.d-grid { display: grid !important; }
.d-block { display: block !important; }
.d-inline-block { display: inline-block !important; }
.flex-fill { flex: 1 1 auto !important; }
.flex-grow-1 { flex-grow: 1 !important; }
.justify-content-between { justify-content: space-between !important; }
.justify-content-around { justify-content: space-around !important; }
.align-items-center { align-items: center !important; }
.text-center { text-align: center !important; }
.text-end { text-align: right !important; }
.text-start { text-align: left !important; }
.text-muted { color: #6c757d !important; }
.text-white { color: #fff !important; }
.text-white-50 { color: rgba(255,255,255,.5) !important; }
.text-primary { color: #0d6efd !important; }
.text-success { color: #198754 !important; }
.text-danger { color: #dc3545 !important; }
.text-warning { color: #ffc107 !important; }
.text-info { color: #0dcaf0 !important; }
.text-dark { color: #212529 !important; }
.bg-primary { background-color: #0d6efd !important; }
.bg-secondary { background-color: #6c757d !important; }
.bg-success { background-color: #198754 !important; }
.bg-danger { background-color: #dc3545 !important; }
.bg-warning { background-color: #ffc107 !important; }
.bg-info { background-color: #0dcaf0 !important; }
.bg-light { background-color: #f8f9fa !important; }
.bg-white { background-color: #fff !important; }
.bg-dark { background-color: #212529 !important; }
.fw-bold { font-weight: 700 !important; }
.fw-normal { font-weight: 400 !important; }
.fw-light { font-weight: 300 !important; }
.fst-italic { font-style: italic !important; }
.w-100 { width: 100% !important; }
.h-100 { height: 100% !important; }
.rounded { border-radius: .25rem !important; }
.rounded-circle { border-radius: 50% !important; }
.border { border: 1px solid #dee2e6 !important; }
.border-top { border-top: 1px solid #dee2e6 !important; }
.border-bottom { border-bottom: 1px solid #dee2e6 !important; }
.border-secondary { border-color: #6c757d !important; }
.fixed-bottom { position: fixed; right: 0; bottom: 0; left: 0; z-index: 1030; }
.shadow-sm { box-shadow: 0 .125rem .25rem rgba(0,0,0,.075) !important; }
.shadow { box-shadow: 0 .5rem 1rem rgba(0,0,0,.15) !important; }
.text-decoration-none { text-decoration: none !important; }
.overflow-hidden { overflow: hidden !important; }
.nav { display: flex; flex-wrap: wrap; padding-left: 0; margin-bottom: 0; list-style: none; }
.navbar { position: relative; display: flex; flex-wrap: wrap; align-items: center; padding: .5rem 1rem; }
.navbar-light .navbar-nav .nav-link { color: rgba(0,0,0,.55); }
.navbar-light { background-color: #f8f9fa; }
.badge { display: inline-block; padding: .35em .65em; font-size: .75em; font-weight: 700; line-height: 1; color: #fff; text-align: center; white-space: nowrap; vertical-align: baseline; border-radius: .25rem; }
.badge.bg-success { background-color: #198754 !important; }
.badge.bg-danger { background-color: #dc3545 !important; }
.badge.bg-warning { background-color: #ffc107 !important; }
.badge.bg-secondary { background-color: #6c757d !important; }
.badge.bg-primary { background-color: #0d6efd !important; }
.badge.bg-info { background-color: #0dcaf0 !important; }
.alert { position: relative; padding: 1rem 1rem; margin-bottom: 1rem; border: 1px solid transparent; border-radius: .25rem; }
.alert-success { color: #0f5132; background-color: #d1e7dd; border-color: #badbcc; }
.alert-danger { color: #842029; background-color: #f8d7da; border-color: #f5c2c7; }
.alert-warning { color: #664d03; background-color: #fff3cd; border-color: #ffecb5; }
.alert-info { color: #055160; background-color: #cff4fc; border-color: #b6effb; }
.alert-dismissible { padding-right: 3rem; }
.alert-dismissible .btn-close { position: absolute; top: 0; right: 0; padding: 1rem 1rem; }
.fade { transition: opacity .15s linear; }
.show { opacity: 1; }
.collapse:not(.show) { display: none; }
.modal { position: fixed; top: 0; left: 0; z-index: 1055; width: 100%; height: 100%; overflow-x: hidden; overflow-y: auto; outline: 0; }
.modal-dialog { position: relative; width: auto; margin: .5rem; pointer-events: none; }
.modal.fade .modal-dialog { transition: transform .3s ease-out; transform: translate(0,-50px); }
.modal.show .modal-dialog { transform: none; }
.modal-content { position: relative; display: flex; flex-direction: column; width: 100%; pointer-events: auto; background-color: #fff; background-clip: padding-box; border: 1px solid rgba(0,0,0,.2); border-radius: .3rem; outline: 0; }
.modal-header { display: flex; flex-shrink: 0; align-items: center; justify-content: space-between; padding: 1rem 1rem; border-bottom: 1px solid #dee2e6; border-top-left-radius: calc(.3rem - 1px); border-top-right-radius: calc(.3rem - 1px); }
.modal-title { margin-bottom: 0; line-height: 1.5; }
.modal-body { position: relative; flex: 1 1 auto; padding: 1rem; }
.modal-footer { display: flex; flex-shrink: 0; flex-wrap: wrap; align-items: center; justify-content: flex-end; padding: .75rem; border-top: 1px solid #dee2e6; border-bottom-right-radius: calc(.3rem - 1px); border-bottom-left-radius: calc(.3rem - 1px); }
.modal-backdrop { position: fixed; top: 0; left: 0; z-index: 1050; width: 100vw; height: 100vh; background-color: #000; }
.modal-backdrop.fade { opacity: 0; }
.modal-backdrop.show { opacity: .5; }
.table { width: 100%; margin-bottom: 1rem; color: #212529; vertical-align: top; border-color: #dee2e6; }
.table > thead { vertical-align: bottom; }
.table > :not(caption) > * > * { padding: .5rem .5rem; background-color: transparent; border-bottom-width: 1px; }
.table-light { --bs-table-bg: #f8f9fa; }
.table-hover tbody tr:hover { --bs-table-accent-bg: #f8f9fa; }
.table-responsive { overflow-x: auto; }
.dropdown { position: relative; }
.dropdown-menu { position: absolute; z-index: 1000; display: none; min-width: 10rem; padding: .5rem 0; margin: 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 1rem; clear: both; font-weight: 400; color: #212529; text-align: inherit; text-decoration: none; white-space: nowrap; background-color: transparent; border: 0; }
.dropdown-item:hover { color: #1e2125; background-color: #f8f9fa; }
.fixed-top { position: fixed; top: 0; right: 0; left: 0; z-index: 1030; }
.pagination { display: flex; padding-left: 0; list-style: none; }
.page-link { position: relative; display: block; color: #0d6efd; text-decoration: none; background-color: #fff; border: 1px solid #dee2e6; }
.page-link:hover { color: #0a58ca; background-color: #e9ecef; border-color: #dee2e6; }
.page-item.active .page-link { z-index: 3; color: #fff; background-color: #0d6efd; border-color: #0d6efd; }
.page-item:first-child .page-link { border-top-left-radius: .25rem; border-bottom-left-radius: .25rem; }
.page-item:last-child .page-link { border-top-right-radius: .25rem; border-bottom-right-radius: .25rem; }
.nav-tabs { border-bottom: 1px solid #dee2e6; }
.nav-tabs .nav-link { color: #6c757d; border: 1px solid transparent; border-top-left-radius: .25rem; border-top-right-radius: .25rem; }
.nav-tabs .nav-link:hover { border-color: #e9ecef #e9ecef #dee2e6; }
.nav-tabs .nav-link.active { color: #495057; background-color: #fff; border-color: #dee2e6 #dee2e6 #fff; }
.tab-content > .tab-pane { display: none; }
.tab-content > .active { display: block; }
.visible { visibility: visible; }
.invisible { visibility: hidden; }