/* Tailwind CSS - 本地版本 (仅包含页面使用的类) */

/* Base Reset */
*, ::before, ::after { box-sizing: border-box; border-width: 0; border-style: solid; border-color: #e5e7eb; }
html { line-height: 1.5; -webkit-text-size-adjust: 100%; tab-size: 4; }
body { margin: 0; line-height: inherit; }
h1, h2, h3, h4, h5, h6 { font-size: inherit; font-weight: inherit; }
a { color: inherit; text-decoration: inherit; }
img, video, canvas, audio, iframe, embed, object { display: block; vertical-align: middle; }
svg:not(.icon) { display: block; vertical-align: middle; }
img, video { max-width: 100%; height: auto; }
button, input, optgroup, select, textarea { font-family: inherit; font-size: 100%; font-weight: inherit; line-height: inherit; color: inherit; margin: 0; padding: 0; }
button, select { text-transform: none; }
button, [type='button'], [type='reset'], [type='submit'] { -webkit-appearance: button; background-color: transparent; background-image: none; }
ul, ol { list-style: none; margin: 0; padding: 0; }

/* Container & Layout */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.top-0 { top: 0; }
.left-0 { left: 0; }
.right-0 { right: 0; }
.bottom-0 { bottom: 0; }
.top-20 { top: 5rem; }
.left-10 { left: 2.5rem; }
.bottom-20 { bottom: 5rem; }
.right-10 { right: 2.5rem; }
.z-10 { z-index: 10; }
.z-50 { z-index: 50; }
.z-100 { z-index: 100; }
.overflow-hidden { overflow: hidden; }
.overflow-y-auto { overflow-y: auto; }

/* Flexbox */
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.hidden { display: none; }
.block { display: block; }
.grid { display: grid; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.flex-shrink-0 { flex-shrink: 0; }
.flex-1 { flex: 1 1 0%; }

/* Grid */
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.gap-16 { gap: 4rem; }

/* Spacing */
.space-x-3 > :not([hidden]) ~ :not([hidden]) { margin-left: 0.75rem; }
.space-x-6 > :not([hidden]) ~ :not([hidden]) { margin-left: 1.5rem; }
.space-y-6 > :not([hidden]) ~ :not([hidden]) { margin-top: 1.5rem; }

/* Width & Height */
.w-10 { width: 2.5rem; }
.w-16 { width: 4rem; }
.w-32 { width: 8rem; }
.w-36 { width: 9rem; }
.w-72 { width: 18rem; }
.w-96 { width: 24rem; }
.w-full { width: 100%; }
.h-10 { height: 2.5rem; }
.h-16 { height: 4rem; }
.h-32 { height: 8rem; }
.h-36 { height: 9rem; }
.h-72 { height: 18rem; }
.h-96 { height: 24rem; }
.min-h-screen { min-height: 100vh; }
.max-w-md { max-width: 28rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-7xl { max-width: 80rem; }
.max-h-\[90vh\] { max-height: 90vh; }

/* Padding */
.p-5 { padding: 1.25rem; }
.p-8 { padding: 2rem; }
.p-10 { padding: 2.5rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-5 { padding-left: 1.25rem; padding-right: 1.25rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.py-24 { padding-top: 6rem; padding-bottom: 6rem; }
.py-32 { padding-top: 8rem; padding-bottom: 8rem; }

/* Margin */
.mx-auto { margin-left: auto; margin-right: auto; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-10 { margin-bottom: 2.5rem; }
.mb-16 { margin-bottom: 4rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-8 { margin-top: 2rem; }
.ml-2 { margin-left: 0.5rem; }
.mr-1 { margin-right: 0.25rem; }
.mr-3 { margin-right: 0.75rem; }

/* Typography */
.text-xs { font-size: 0.75rem; line-height: 1rem; }
.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: 1.5rem; line-height: 2rem; }
.text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
.text-6xl { font-size: 3.75rem; line-height: 1; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-black { font-weight: 900; }
.uppercase { text-transform: uppercase; }
.leading-tight { line-height: 1.25; }
.leading-relaxed { line-height: 1.625; }
.text-center { text-align: center; }

/* Colors - Text */
.text-white { color: #ffffff; }
.text-gray-500 { color: #6b7280; }
.text-gray-600 { color: #4b5563; }
.text-gray-900 { color: #111827; }
.text-cyan-500 { color: #06b6d4; }
.text-white\/60 { color: rgb(255 255 255 / 0.6); }
.text-white\/70 { color: rgb(255 255 255 / 0.7); }
.text-white\/80 { color: rgb(255 255 255 / 0.8); }

/* Colors - Background */
.bg-white { background-color: #ffffff; }
.bg-gray-50 { background-color: #f9fafb; }
.bg-cyan-500\/20 { background-color: rgb(6 182 212 / 0.2); }
.bg-purple-500\/20 { background-color: rgb(168 85 247 / 0.2); }

/* Gradients */
.bg-gradient-to-br { background-image: linear-gradient(to bottom right, var(--tw-gradient-stops)); }
.from-cyan-400 { --tw-gradient-from: #22d3ee; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to); }
.from-purple-400 { --tw-gradient-from: #c084fc; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to); }
.from-green-400 { --tw-gradient-from: #4ade80; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to); }
.from-orange-400 { --tw-gradient-from: #fb923c; --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to); }
.to-blue-500 { --tw-gradient-to: #3b82f6; }
.to-pink-500 { --tw-gradient-to: #ec4899; }
.to-emerald-500 { --tw-gradient-to: #10b981; }
.to-red-500 { --tw-gradient-to: #ef4444; }

/* Border */
.border { border-width: 1px; }
.border-white\/30 { border-color: rgb(255 255 255 / 0.3); }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-3xl { border-radius: 1.5rem; }
.rounded-full { border-radius: 9999px; }

/* Shadow & Effects */
.shadow-lg { box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1); }
.blur-3xl { filter: blur(64px); }

/* Transitions */
.transition { transition-property: color, background-color, border-color, text-decoration-color, fill, stroke, opacity, box-shadow, transform, filter, backdrop-filter; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.transition-all { transition-property: all; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.cursor-pointer { cursor: pointer; }

/* Hover States */
.hover\:text-white:hover { color: #ffffff; }
.hover\:bg-white\/10:hover { background-color: rgb(255 255 255 / 0.1); }

/* Responsive - md (768px) */
@media (min-width: 768px) {
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:text-6xl { font-size: 3.75rem; line-height: 1; }
}

/* Responsive - lg (1024px) */
@media (min-width: 1024px) {
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}