:root {
     --bs-blue: #0d6efd;
     --bs-indigo: #6610f2;
     --bs-purple: #6f42c1;
     --bs-pink: #d63384;
     --bs-red: #dc3545;
     --bs-orange: #fd7e14;
     --bs-yellow: #ffc107;
     --bs-green: #198754;
     --bs-teal: #20c997;
     --bs-cyan: #0dcaf0;
     --bs-black: #000;
     --bs-white: #fff;
     --bs-gray: #6c757d;
     --bs-gray-dark: #343a40;
     --bs-gray-100: #f8f9fa;
     --bs-gray-200: #e9ecef;
     --bs-gray-300: #dee2e6;
     --bs-gray-400: #ced4da;
     --bs-gray-500: #adb5bd;
     --bs-gray-600: #6c757d;
     --bs-gray-700: #495057;
     --bs-gray-800: #343a40;
     --bs-gray-900: #212529;
     --bs-primary: #0a5cd7;
     --bs-secondary: #6c757d;
     --bs-success: #198754;
     --bs-info: #0dcaf0;
     --bs-warning: #ffc107;
     --bs-danger: #dc3545;
     --bs-light: #f8f9fa;
     --bs-dark: #212529;
     --bs-primary-rgb: 13, 110, 253;
     --bs-secondary-rgb: 108, 117, 125;
     --bs-success-rgb: 25, 135, 84;
     --bs-info-rgb: 13, 202, 240;
     --bs-warning-rgb: 255, 193, 7;
     --bs-danger-rgb: 220, 53, 69;
     --bs-light-rgb: 248, 249, 250;
     --bs-dark-rgb: 33, 37, 41;
     --bs-primary-text-emphasis: #052c65;
     --bs-secondary-text-emphasis: #2b2f32;
     --bs-success-text-emphasis: #0a3622;
     --bs-info-text-emphasis: #055160;
     --bs-warning-text-emphasis: #664d03;
     --bs-danger-text-emphasis: #58151c;
     --bs-light-text-emphasis: #495057;
     --bs-dark-text-emphasis: #495057;
     --bs-primary-bg-subtle: #cfe2ff;
     --bs-secondary-bg-subtle: #e2e3e5;
     --bs-success-bg-subtle: #d1e7dd;
     --bs-info-bg-subtle: #cff4fc;
     --bs-warning-bg-subtle: #fff3cd;
     --bs-danger-bg-subtle: #f8d7da;
     --bs-light-bg-subtle: #fcfcfd;
     --bs-dark-bg-subtle: #ced4da;
     --bs-primary-border-subtle: #9ec5fe;
     --bs-secondary-border-subtle: #c4c8cb;
     --bs-success-border-subtle: #a3cfbb;
     --bs-info-border-subtle: #9eeaf9;
     --bs-warning-border-subtle: #ffe69c;
     --bs-danger-border-subtle: #f1aeb5;
     --bs-light-border-subtle: #e9ecef;
     --bs-dark-border-subtle: #adb5bd;
     --bs-white-rgb: 255, 255, 255;
     --bs-black-rgb: 0, 0, 0;
     --bs-font-sans-serif: "Noto Sans SC", "Source Sans 3", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", "Liberation Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
     --bs-font-monospace: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
     --bs-gradient: linear-gradient(180deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0));
     --bs-body-font-family: var(--bs-font-sans-serif);
     --bs-body-font-size: 0.75 rem;
     --bs-body-font-weight: 400;
     --bs-body-line-height: 1.5;
     --bs-body-color: #323435;
     --bs-body-color-rgb: 33, 37, 41;
     --bs-body-bg: #fff;
     --bs-body-bg-rgb: 255, 255, 255;
     --bs-emphasis-color: #000;
     --bs-emphasis-color-rgb: 0, 0, 0;
     --bs-secondary-color: rgba(33, 37, 41, 0.75);
     --bs-secondary-color-rgb: 33, 37, 41;
     --bs-secondary-bg: #e9ecef;
     --bs-secondary-bg-rgb: 233, 236, 239;
     --bs-tertiary-color: rgba(33, 37, 41, 0.5);
     --bs-tertiary-color-rgb: 33, 37, 41;
     --bs-tertiary-bg: #f8f9fa;
     --bs-tertiary-bg-rgb: 248, 249, 250;
     --bs-heading-color: inherit;
     --bs-link-color: #064cb6;
     --bs-link-color-rgb: 13, 110, 253;
     --bs-link-decoration: underline;
     --bs-link-hover-color: #043783;
     --bs-link-hover-color-rgb: 10, 88, 202;
     --bs-code-color: #d63384;
     --bs-highlight-color: #212529;
     --bs-highlight-bg: #fff3cd;
     --bs-border-width: 1px;
     --bs-border-style: solid;
     --bs-border-color: #dee2e6;
     --bs-border-color-translucent: rgba(0, 0, 0, 0.175);
     --bs-border-radius: 0.375rem;
     --bs-border-radius-sm: 0.25rem;
     --bs-border-radius-lg: 0.5rem;
     --bs-border-radius-xl: 1rem;
     --bs-border-radius-xxl: 2rem;
     --bs-border-radius-2xl: var(--bs-border-radius-xxl);
     --bs-border-radius-pill: 50rem;
     --bs-box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
     --bs-box-shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
     --bs-box-shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
     --bs-box-shadow-inset: inset 0 1px 2px rgba(0, 0, 0, 0.075);
     --bs-focus-ring-width: 0.25rem;
     --bs-focus-ring-opacity: 0.25;
     --bs-focus-ring-color: rgba(13, 110, 253, 0.25);
     --bs-form-valid-color: #198754;
     --bs-form-valid-border-color: #198754;
     --bs-form-invalid-color: #dc3545;
     --bs-form-invalid-border-color: #dc3545;

 }

 body {
     font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif !important;
 }

 /* 引入本地字体 */
 @font-face {
     font-family: 'Noto Sans SC';
     src:url('fonts/NotoSansSC-Regular.otf') format('opentype');
     font-weight: 400;
     font-style: normal;
     font-display: swap;
 }

 @font-face {
     font-family: 'Noto Sans SC';
     src:url('fonts/NotoSansSC-Bold.otf') format('opentype');
     font-weight: 700;
     font-style: normal;
     font-display: swap;
 }

 a {
     text-decoration: none;
 }

 .sidebar-footer {
     margin-top: auto;
     /* 利用flex布局自动推到底部 */
     padding: 1rem;
     border-top: 1px solid rgba(255, 255, 255, 0.1);
 }