添加项目文件。

TightWiki/wwwroot/lib/bootstrap/dist/css/flatly/_bootswatch.scss

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+// Flatly 5.3.3
+// Bootswatch
+
+
+// Variables
+
+$web-font-path: "https://fonts.googleapis.com/css2?family=Lato:ital,wght@0,400;0,700;1,400&display=swap" !default;
+@if $web-font-path {
+  @import url("#{$web-font-path}");
+}
+
+// Navs
+
+.pagination {
+  a:hover {
+    text-decoration: none;
+  }
+}
+
+// Indicators
+
+.badge {
+  &.bg-light {
+    color: $dark;
+  }
+}
+
+.alert {
+  color: $white;
+  border: none;
+
+  a,
+  .alert-link {
+    color: $white;
+    text-decoration: underline;
+  }
+
+  @each $color, $value in $theme-colors {
+    &-#{$color} {
+      @if $enable-gradients {
+        background: $value linear-gradient(180deg, mix($body-bg, $value, 15%), $value) repeat-x;
+      } @else {
+        background-color: $value;
+      }
+    }
+  }
+
+  &-light {
+    &,
+    a,
+    .alert-link {
+      color: $body-color;
+    }
+  }
+}
+
+// Containers
+
+.modal,
+.toast,
+.offcanvas {
+  .btn-close {
+    background-image: escape-svg(url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='#{$black}'><path d='M.293.293a1 1 0 0 1 1.414 0L8 6.586 14.293.293a1 1 0 1 1 1.414 1.414L9.414 8l6.293 6.293a1 1 0 0 1-1.414 1.414L8 9.414l-6.293 6.293a1 1 0 0 1-1.414-1.414L6.586 8 .293 1.707a1 1 0 0 1 0-1.414z'/></svg>"));
+  }
+}

TightWiki/wwwroot/lib/bootstrap/dist/css/flatly/_variables.scss

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+// Flatly 5.3.3
+// Bootswatch
+
+$theme: "flatly" !default;
+
+//
+// Color system
+//
+
+$white:    #fff !default;
+$gray-100: #f8f9fa !default;
+$gray-200: #ecf0f1 !default;
+$gray-300: #dee2e6 !default;
+$gray-400: #ced4da !default;
+$gray-500: #b4bcc2 !default;
+$gray-600: #95a5a6 !default;
+$gray-700: #7b8a8b !default;
+$gray-800: #343a40 !default;
+$gray-900: #212529 !default;
+$black:    #000 !default;
+
+$blue:    #2c3e50 !default;
+$indigo:  #6610f2 !default;
+$purple:  #6f42c1 !default;
+$pink:    #e83e8c !default;
+$red:     #e74c3c !default;
+$orange:  #fd7e14 !default;
+$yellow:  #f39c12 !default;
+$green:   #18bc9c !default;
+$teal:    #20c997 !default;
+$cyan:    #3498db !default;
+
+$primary:       $blue !default;
+$secondary:     $gray-600 !default;
+$success:       $green !default;
+$info:          $cyan !default;
+$warning:       $yellow !default;
+$danger:        $red !default;
+$light:         $gray-200 !default;
+$dark:          $gray-700 !default;
+
+$min-contrast-ratio:   2.05 !default;
+
+// Links
+
+$link-color:                $success !default;
+
+// Fonts
+
+// stylelint-disable-next-line value-keyword-case
+$font-family-sans-serif:      Lato, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol" !default;
+$h1-font-size:                3rem !default;
+$h2-font-size:                2.5rem !default;
+$h3-font-size:                2rem !default;
+
+// Tables
+
+$table-bg-scale:              0% !default;
+
+// Dropdowns
+
+$dropdown-border-color:             $gray-400 !default;
+$dropdown-link-color:               $gray-700 !default;
+$dropdown-link-hover-color:         $white !default;
+$dropdown-link-hover-bg:            $primary !default;
+
+// Navs
+
+$nav-link-padding-y:                .5rem !default;
+$nav-link-padding-x:                2rem !default;
+$nav-link-disabled-color:           $gray-600 !default;
+
+$nav-tabs-border-color:             $dropdown-border-color !default;
+$nav-tabs-link-hover-border-color:  $nav-tabs-border-color $nav-tabs-border-color transparent !default;
+$nav-tabs-link-active-color:        $success !default;
+$nav-tabs-link-active-border-color: $nav-tabs-link-hover-border-color !default;
+
+
+// Navbar
+
+$navbar-padding-y:                  1rem !default;
+$navbar-dark-color:                 $white !default;
+$navbar-dark-hover-color:           $success !default;
+$navbar-dark-active-color:          $success !default;
+
+$navbar-dark-brand-color:                 $white !default;
+$navbar-dark-brand-hover-color:           $navbar-dark-hover-color !default;
+
+// Pagination
+
+$pagination-color:                  $white !default;
+$pagination-bg:                     $success !default;
+$pagination-border-width:           0 !default;
+$pagination-border-color:           transparent !default;
+$pagination-hover-color:            $white !default;
+$pagination-hover-bg:               darken($success, 15%) !default;
+$pagination-hover-border-color:     transparent !default;
+$pagination-active-bg:              $pagination-hover-bg !default;
+$pagination-active-border-color:    transparent !default;
+$pagination-disabled-color:         $gray-200 !default;
+$pagination-disabled-bg:            lighten($success, 15%) !default;
+$pagination-disabled-border-color:  transparent !default;
+
+// List group
+
+$list-group-hover-bg:               $gray-200 !default;
+$list-group-disabled-bg:            $gray-200 !default;
+
+// Breadcrumbs
+
+$breadcrumb-padding-y:              .375rem !default;
+$breadcrumb-padding-x:              .75rem !default;
+$breadcrumb-border-radius:          .25rem !default;
+
+// Close
+
+$btn-close-color:            $white !default;
+$btn-close-opacity:          .4 !default;
+$btn-close-hover-opacity:    1 !default;