/* Tailwind CSS Complete - 包含页面所需的所有类 */

/* Base styles */
* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  font-feature-settings: normal;
  font-variation-settings: normal;
  line-height: 1.15;
  tab-size: 4;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  line-height: inherit;
  margin: 0;
}

/* Reset */
h1, h2, h3, h4, h5, h6 {
  font-size: inherit;
  font-weight: inherit;
  margin: 0;
}

p {
  margin: 0;
}

button {
  background-color: transparent;
  background-image: none;
  border: 0;
  color: inherit;
  font-family: inherit;
  font-feature-settings: inherit;
  font-size: 100%;
  font-variation-settings: inherit;
  font-weight: inherit;
  line-height: inherit;
  margin: 0;
  padding: 0;
}

img {
  border-style: solid;
  height: auto;
  max-width: 100%;
}

/* Utilities */
.relative { position: relative; }
.fixed { position: fixed; }
.absolute { position: absolute; }
.inset-0 { top: 0px; right: 0px; bottom: 0px; left: 0px; }
.z-10 { z-index: 10; }
.z-50 { z-index: 50; }
.z-1000 { z-index: 1000; }

/* Display */
.hidden { display: none; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }
.inline-block { display: inline-block; }

/* Flex */
.flex-col { flex-direction: column; }
.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; }

/* Grid */
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }

/* Sizing */
.w-full { width: 100%; }
.w-14 { width: 3.5rem; }
.w-16 { width: 4rem; }
.h-14 { height: 3.5rem; }
.h-16 { height: 4rem; }
.h-screen { height: 100vh; }
.min-h-screen { min-height: 100vh; }
.max-w-xs { max-width: 20rem; }
.max-w-sm { max-width: 24rem; }
.max-w-4xl { max-width: 56rem; }

/* Spacing */
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-12 { padding-left: 3rem; padding-right: 3rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.pt-4 { padding-top: 1rem; }
.pb-4 { padding-bottom: 1rem; }
.pl-1 { padding-left: 0.25rem; }
.pr-1 { padding-right: 0.25rem; }
.pr-2 { padding-right: 0.5rem; }

.m-0 { margin: 0; }
.mx-auto { margin-left: auto; margin-right: auto; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-5 { margin-bottom: 1.25rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mr-1 { margin-right: 0.25rem; }
.mr-2 { margin-right: 0.5rem; }
.mt-4 { margin-top: 1rem; }

/* Text */
.text-center { text-align: center; }
.text-left { text-align: left; }
.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; }

.font-medium { font-weight: 500; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }

/* Colors */
.text-white { color: rgb(255, 255, 255); }
.text-gray-200 { color: rgb(229, 231, 235); }
.text-gray-400 { color: rgb(156, 163, 175); }
.text-gray-500 { color: rgb(107, 114, 128); }
.text-gray-700 { color: rgb(55, 65, 81); }
.text-gray-900 { color: rgb(17, 24, 39); }
.text-success { color: #10b981; }
.text-primary { color: #1e40af; }
.text-danger { color: #ef4444; }
.text-yellow-300 { color: rgb(253, 224, 71); }

.bg-white { background-color: rgb(255, 255, 255); }
.bg-gray-50 { background-color: rgb(249, 250, 251); }
.bg-success { background-color: #10b981; }
.bg-danger { background-color: #ef4444; }

/* Borders */
.border { border-width: 1px; }
.border-2 { border-width: 2px; }
.border-gold { border-color: #ffd700; }
.rounded { border-radius: 0.25rem; }
.rounded-full { border-radius: 9999px; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-3xl { border-radius: 1.5rem; }

/* Shadows */
.shadow-2xl { box-shadow: 0 25px 50px -12px rgb(0 0 0 / 0.25); }

/* Overflow */
.overflow-hidden { overflow: hidden; }

/* Opacity */
.bg-opacity-10 { background-color: rgba(255, 255, 255, 0.1); }
.bg-opacity-15 { background-color: rgba(0, 0, 0, 0.15); }

/* Backdrop */
.backdrop-blur-lg { backdrop-filter: blur(16px); }

/* Responsive Design */
@media (min-width: 768px) {
  .md\:text-2xl { font-size: 1.5rem; line-height: 2rem; }
  .md\:text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
  .md\:text-xl { font-size: 1.25rem; line-height: 1.75rem; }
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* Hover Effects */
.hover\:text-gray-700:hover { color: rgb(55, 65, 81); }

/* Custom Colors for this project */
.whatsapp-gradient {
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
}

.hero-gradient {
  background: linear-gradient(135deg, #1e293b 0%, #334155 50%, #475569 100%);
}

.pulse-whatsapp {
  animation: pulseWhatsApp 2s infinite;
}

@keyframes pulseWhatsApp {
  0%, 100% { 
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    transform: scale(1);
  }
  50% { 
    box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    transform: scale(1.05);
  }
}

.floating-animation {
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

.gradient-text {
  background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Tap target for mobile */
.tap-target {
  min-height: 44px;
  min-width: 44px;
}