/* 全局样式 - 高质量时尚女装展示网站 */

/* ===== 基础配置 ===== */
:root {
  --color-primary: #FAF9F6;
  --color-secondary: #F5F5F5;
  --color-text: #2C2C2C;
  --color-accent-pink: #E8D3C9;
  --color-accent-blue: #D1E0E8;
  --font-size-base: 16px;
  --font-size-lg: 24px;
  --font-size-xl: 48px;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --transition: all 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Source Han Sans CN', 'Inter', -apple-system, sans-serif;
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-primary);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

/* ===== 导航栏 ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(250, 249, 246, 0.95);
  backdrop-filter: blur(10px);
  padding: var(--spacing-sm) 0;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.navbar-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-md);
}

.navbar a {
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 1px;
  padding: 0.5rem 1rem;
  position: relative;
}

.navbar a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background-color: var(--color-text);
  transition: var(--transition);
}

.navbar a:hover::after,
.navbar a.active::after {
  width: 80%;
}

/* ===== 主内容区域 ===== */
main {
  padding-top: 80px;
  min-height: 100vh;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

.section {
  padding: var(--spacing-lg) 0;
}

.section-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-md);
  letter-spacing: 2px;
}

/* ===== 轮播图 ===== */
.carousel {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

.carousel-inner {
  position: relative;
  width: 100%;
  height: 100%;
}

.carousel-item {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

.carousel-item.active {
  opacity: 1;
}

.carousel-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.carousel-controls {
  position: absolute;
  bottom: var(--spacing-md);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 1rem;
  z-index: 10;
}

.carousel-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: var(--transition);
}

.carousel-dot.active {
  background-color: #fff;
  transform: scale(1.2);
}

/* ===== 网格布局 ===== */
.grid {
  display: grid;
  gap: var(--spacing-md);
}

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

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* ===== 卡片组件 ===== */
.card {
  background-color: #fff;
  overflow: hidden;
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.card-image {
  width: 100%;
  height: 400px;
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.card:hover .card-image img {
  transform: scale(1.05);
}

.card-content {
  padding: var(--spacing-sm);
}

.card-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.card-text {
  font-size: 0.95rem;
  color: #666;
  line-height: 1.8;
}

/* ===== 文字内容区 ===== */
.text-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-md);
}

.text-content h2 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.text-content p {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: var(--spacing-sm);
  color: #555;
}

/* ===== 色彩展示 ===== */
.color-palette {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  margin: var(--spacing-md) 0;
}

.color-item {
  width: 120px;
  height: 120px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: #fff;
  font-weight: 500;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

/* ===== 页脚 ===== */
footer {
  text-align: center;
  padding: var(--spacing-md) 0;
  background-color: var(--color-secondary);
  font-size: 0.9rem;
  color: #999;
  letter-spacing: 1px;
}

/* ===== 响应式设计 ===== */
@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-lg: 20px;
    --font-size-xl: 32px;
    --spacing-lg: 2rem;
  }
  
  .navbar-container {
    gap: var(--spacing-sm);
  }
  
  .navbar a {
    font-size: 0.9rem;
    padding: 0.5rem;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .carousel {
    height: 70vh;
  }
  
  .card-image {
    height: 300px;
  }
}

@media (max-width: 480px) {
  .navbar-container {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .section {
    padding: var(--spacing-md) 0;
  }
  
  .card-image {
    height: 250px;
  }
}