/* Tailwind CSS CDN替代方案 */
@import url('https://cdn.jsdelivr.net/npm/tailwindcss@3.3.0/base.min.css');
@import url('https://cdn.jsdelivr.net/npm/tailwindcss@3.3.0/components.min.css');
@import url('https://cdn.jsdelivr.net/npm/tailwindcss@3.3.0/utilities.min.css');

/* 自定义样式 */
:root {
  /* LIANOU 品牌色彩方案 */
  --lianou-navy: #1A2B42;
  --lianou-gold: #D4AF37;
  --lianou-emerald: #00A86B;
  --lianou-white: #FFFFFF;
  --lianou-burgundy: #8B1E3F;
  --lianou-cream: #F5F5DC;
  --lianou-charcoal: #36454F;
  --lianou-teal: #008080;

  /* 原有颜色保持兼容性 */
  --apple-blue: #007AFF;
  --apple-blue-dark: #0056CC;
  --apple-gray-50: #fafafa;
  --apple-gray-100: #f5f5f5;
  --apple-gray-200: #e5e5e5;
  --apple-gray-300: #d4d4d4;
  --apple-gray-400: #a3a3a3;
  --apple-gray-500: #737373;
  --apple-gray-600: #525252;
  --apple-gray-700: #404040;
  --apple-gray-800: #262626;
  --apple-gray-900: #171717;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.btn-primary {
  background-color: var(--apple-blue);
  color: white;
  font-weight: 500;
  padding: 0.75rem 1.5rem;
  border-radius: 0.75rem;
  transition: all 0.2s ease-in-out;
  transform: scale(1);
  box-shadow: 0 4px 16px 0 rgba(0, 0, 0, 0.1);
  border: none;
  cursor: pointer;
  display: inline-block;
  text-decoration: none;
}

.btn-primary:hover {
  background-color: var(--apple-blue-dark);
  transform: scale(1.05);
  text-decoration: none;
  color: white;
}

.btn-secondary {
  background-color: white;
  color: var(--apple-gray-900);
  font-weight: 500;
  padding: 0.75rem 1.5rem;
  border-radius: 0.75rem;
  border: 1px solid var(--apple-gray-200);
  transition: all 0.2s ease-in-out;
  transform: scale(1);
  box-shadow: 0 4px 16px 0 rgba(0, 0, 0, 0.1);
  cursor: pointer;
  display: inline-block;
  text-decoration: none;
}

.btn-secondary:hover {
  background-color: var(--apple-gray-50);
  transform: scale(1.05);
  text-decoration: none;
  color: var(--apple-gray-900);
}

.card {
  background-color: white;
  border-radius: 1rem;
  box-shadow: 0 4px 16px 0 rgba(0, 0, 0, 0.1);
  border: 1px solid var(--apple-gray-100);
  overflow: hidden;
}

.product-card {
  background-color: white;
  border-radius: 1rem;
  box-shadow: 0 4px 16px 0 rgba(0, 0, 0, 0.1);
  border: 1px solid var(--apple-gray-100);
  overflow: hidden;
  transition: all 0.3s ease;
  transform: translateY(0);
}

.product-card:hover {
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.12);
  transform: translateY(-4px);
}

.nav-link {
  color: var(--apple-gray-700);
  font-weight: 500;
  transition: color 0.2s ease;
  text-decoration: none;
}

.nav-link:hover {
  color: var(--apple-blue);
  text-decoration: none;
}

.hero-gradient {
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.input-field {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--apple-gray-200);
  border-radius: 0.75rem;
  transition: all 0.2s ease;
}

.input-field:focus {
  outline: none;
  border-color: var(--apple-blue);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.section-padding {
  padding: 4rem 0;
}

@media (min-width: 1024px) {
  .section-padding {
    padding: 6rem 0;
  }
}

.container-custom {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) {
  .container-custom {
    padding: 0 1.5rem;
  }
}

@media (min-width: 1024px) {
  .container-custom {
    padding: 0 2rem;
  }
}

/* 动画 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* 响应式网格 */
.grid {
  display: grid;
}

.grid-cols-1 {
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

.grid-cols-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (min-width: 768px) {
  .md\\:grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  
  .md\\:grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  
  .md\\:grid-cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

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

.gap-6 {
  gap: 1.5rem;
}

.gap-8 {
  gap: 2rem;
}

/* 长宽比 */
.aspect-square {
  aspect-ratio: 1 / 1;
}

/* 其他实用类 */
.text-center {
  text-align: center;
}

.font-bold {
  font-weight: 700;
}

.font-semibold {
  font-weight: 600;
}

.font-medium {
  font-weight: 500;
}

.text-4xl {
  font-size: 2.25rem;
  line-height: 2.5rem;
}

.text-2xl {
  font-size: 1.5rem;
  line-height: 2rem;
}

.text-xl {
  font-size: 1.25rem;
  line-height: 1.75rem;
}

.text-lg {
  font-size: 1.125rem;
  line-height: 1.75rem;
}

.mb-4 {
  margin-bottom: 1rem;
}

.mb-6 {
  margin-bottom: 1.5rem;
}

.mb-8 {
  margin-bottom: 2rem;
}

.mb-12 {
  margin-bottom: 3rem;
}

.mb-16 {
  margin-bottom: 4rem;
}

.p-6 {
  padding: 1.5rem;
}

.py-16 {
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.overflow-hidden {
  overflow: hidden;
}

.object-cover {
  object-fit: cover;
}

.w-full {
  width: 100%;
}

.h-full {
  height: 100%;
}

.flex {
  display: flex;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.space-x-4 > * + * {
  margin-left: 1rem;
}

.space-y-4 > * + * {
  margin-top: 1rem;
}

.bg-white {
  background-color: white;
}

.text-apple-gray-900 {
  color: var(--apple-gray-900);
}

.text-apple-gray-600 {
  color: var(--apple-gray-600);
}

.text-apple-blue-500 {
  color: var(--apple-blue);
}

.border-apple-gray-100 {
  border-color: var(--apple-gray-100);
}

.min-h-screen {
  min-height: 100vh;
}

/* LIANOU 品牌样式类 */
.bg-lianou-navy { background-color: var(--lianou-navy) !important; background-color: #1A2B42 !important; }
.bg-lianou-gold { background-color: var(--lianou-gold) !important; background-color: #D4AF37 !important; }
.bg-lianou-emerald { background-color: var(--lianou-emerald) !important; background-color: #00A86B !important; }
.bg-lianou-white { background-color: var(--lianou-white) !important; background-color: #FFFFFF !important; }
.bg-lianou-burgundy { background-color: var(--lianou-burgundy) !important; background-color: #8B1E3F !important; }
.bg-lianou-cream { background-color: var(--lianou-cream) !important; background-color: #F5F5DC !important; }
.bg-lianou-charcoal { background-color: var(--lianou-charcoal) !important; background-color: #36454F !important; }
.bg-lianou-teal { background-color: var(--lianou-teal) !important; background-color: #008080 !important; }

/* 导航栏专用样式 - Logo同色背景 */
.nav-bg-lianou-logo {
  background-color: rgba(1, 25, 52, 0.95) !important;
  border-bottom-color: #011f41 !important;
}

.mobile-menu-lianou-logo {
  background-color: #011f41 !important;
  border-bottom-color: rgba(212, 175, 55, 0.2) !important;
}

.text-lianou-navy { color: var(--lianou-navy); }
.text-lianou-gold { color: var(--lianou-gold); }
.text-lianou-emerald { color: var(--lianou-emerald); }
.text-lianou-white { color: var(--lianou-white); }
.text-lianou-burgundy { color: var(--lianou-burgundy); }
.text-lianou-cream { color: var(--lianou-cream); }
.text-lianou-charcoal { color: var(--lianou-charcoal); }
.text-lianou-teal { color: var(--lianou-teal); }

.border-lianou-navy { border-color: var(--lianou-navy); }
.border-lianou-gold { border-color: var(--lianou-gold); }
.border-lianou-emerald { border-color: var(--lianou-emerald); }
.border-lianou-white { border-color: var(--lianou-white); }
.border-lianou-burgundy { border-color: var(--lianou-burgundy); }
.border-lianou-cream { border-color: var(--lianou-cream); }
.border-lianou-charcoal { border-color: var(--lianou-charcoal); }
.border-lianou-teal { border-color: var(--lianou-teal); }

/* 奢华导航链接样式 */
.nav-link-luxury {
  color: var(--lianou-cream);
  font-weight: 500;
  font-size: 1.125rem;
  letter-spacing: 0.05em;
  transition: all 0.3s ease;
  position: relative;
  text-decoration: none;
}

.nav-link-luxury:hover {
  color: var(--lianou-gold);
  text-decoration: none;
}

.nav-link-luxury::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--lianou-gold), var(--lianou-emerald));
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.nav-link-luxury:hover::after {
  width: 100%;
}

/* 动画效果 */
@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(5deg); }
}

@keyframes float-delayed {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-15px) rotate(-3deg); }
}

@keyframes float-slow {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-10px) rotate(2deg); }
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

.animate-float-delayed {
  animation: float-delayed 8s ease-in-out infinite;
  animation-delay: 2s;
}

.animate-float-slow {
  animation: float-slow 10s ease-in-out infinite;
  animation-delay: 4s;
}

/* 全宽设计样式 */
.full-width-container {
  width: 100vw;
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
}

/* 大屏幕优化 */
@media (min-width: 1920px) {
  .hero-text-ultra {
    font-size: 16rem;
  }

  .hero-subtitle-ultra {
    font-size: 3.5rem;
  }
}

/* 响应式设计增强 */
@media (max-width: 768px) {
  .nav-link-luxury {
    font-size: 1rem;
  }

  .hero-text-mobile {
    font-size: 3.5rem;
  }

  .hero-subtitle-mobile {
    font-size: 1.25rem;
  }
}

/* 超大屏幕适配 */
@media (min-width: 2560px) {
  .hero-text-4k {
    font-size: 20rem;
  }

  .hero-subtitle-4k {
    font-size: 4rem;
  }
}