/* Tailwind CSS v3.0+ */
/*! tailwindcss v3.3.3 | MIT License | https://tailwindcss.com */
/*
1. Prevent padding and border from affecting element width. (https://github.com/mozdevs/cssremedy/issues/4)
2. Allow adding a border to an element by just adding a border-width. (https://github.com/tailwindcss/tailwindcss/pull/116)
*/

*,
::before,
::after {
  box-sizing: border-box; /* 1 */
  border-width: 0; /* 2 */
  border-style: solid; /* 2 */
  border-color: #e5e7eb; /* 2 */
}

/* 这里只是一个简化版，实际使用时需要下载完整的tailwind.min.css文件 */
/* 生产环境中应该使用npm或yarn安装Tailwind并通过PostCSS生成优化后的CSS */

/* 基础样式 */
.bg-white { background-color: #ffffff; }
.bg-gray-100 { background-color: #f3f4f6; }
.bg-gray-200 { background-color: #e5e7eb; }
.bg-gray-800 { background-color: #1f2937; }
.bg-blue-600 { background-color: #2563eb; }
.bg-red-500 { background-color: #ef4444; }
.bg-green-600 { background-color: #16a34a; }

.text-white { color: #ffffff; }
.text-gray-500 { color: #6b7280; }
.text-gray-700 { color: #374151; }
.text-gray-800 { color: #1f2937; }
.text-red-500 { color: #ef4444; }
.text-blue-600 { color: #2563eb; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-1 { flex: 1 1 0%; }
.flex-grow { flex-grow: 1; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }

.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }

.m-4 { margin: 1rem; }
.mt-4 { margin-top: 1rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.ml-4 { margin-left: 1rem; }
.mr-3 { margin-right: 0.75rem; }

.w-full { width: 100%; }
.w-5 { width: 1.25rem; }
.h-5 { height: 1.25rem; }
.min-h-screen { min-height: 100vh; }

.rounded { border-radius: 0.25rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-md { border-radius: 0.375rem; }

.shadow-md { box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06); }

.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.