/* 全局样式 - 极简主义时尚女装网站 */

/* 字体引入 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@200;300;400&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Helvetica+Neue:wght@100;300;400&display=swap');

/* 全局重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* 根元素变量定义 */
:root {
  --color-primary: #F5EDE4;
  --color-warm-white: #FAFAF8;
  --color-text: #2C2C2C;
  --color-text-light: #8B8B8B;
  --color-border: #E8E8E8;
  --font-serif: 'Noto Serif SC', serif;
  --font-sans: 'Helvetica Neue', -apple-system, sans-serif;
  --spacing-xs: 20px;
  --spacing-sm: 40px;
  --spacing-md: 60px;
  --spacing-lg: 80px;
  --spacing-xl: 120px;
  --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 基础样式 */
html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.8;
  color: var(--color-text);
  background-color: var(--color-warm-white);
  overflow-x: hidden;
}

/* 顶部分割线 */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background-color: var(--color-border);
  z-index: 999;
}

/* 导航栏 */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-xs);
  background-color: rgba(250, 250, 248, 0.95);
  backdrop-filter: blur(10px);
  z-index: 998;
  margin-top: 1px;
}

nav a {
  font-family: var(--font-serif);
  font-size: 14px;
  font-weight: 300;
  letter-spacing: 2px;
  color: var(--color-text);
  text-decoration: none;
  transition: var(--transition);
  padding: 8px 16px;
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 1px;
  background-color: var(--color-text);
  transition: var(--transition);
}

nav a:hover::after {
  width: 80%;
}

/* 主容器 */
main {
  min-height: 100vh;
  padding-top: 80px;
}

/* 首屏全幅视觉 */
.hero-section {
  position: relative;
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-text {
  position: relative;
  z-index: 2;
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 300;
  letter-spacing: 3px;
  color: var(--color-warm-white);
  text-align: center;
  padding: 0 var(--spacing-xs);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

/* 内容区域 */
.content-section {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-xs);
}

/* 网格布局 */
.grid-layout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

/* 图片卡片 */
.image-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
}

.image-card img {
  width: 100%;
  height: auto;
  display: block;
  transition: var(--transition);
}

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

.image-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.2);
  opacity: 0;
  transition: var(--transition);
}

.image-card:hover::after {
  opacity: 1;
}

/* 页脚 */
footer {
  text-align: center;
  padding: var(--spacing-md) var(--spacing-xs);
  border-top: 1px solid var(--color-border);
  margin-top: var(--spacing-xl);
}

footer p {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 300;
  letter-spacing: 2px;
  color: var(--color-text-light);
}

/* 页面淡入动画 */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.8s ease-out;
}

/* 响应式设计 */
@media (max-width: 768px) {
  :root {
    --spacing-sm: 30px;
    --spacing-md: 40px;
    --spacing-lg: 60px;
    --spacing-xl: 80px;
  }

  nav {
    gap: var(--spacing-xs);
    padding: var(--spacing-xs);
  }

  nav a {
    font-size: 12px;
    letter-spacing: 1px;
    padding: 6px 12px;
  }

  .hero-text {
    font-size: 16px;
    letter-spacing: 2px;
  }

  .grid-layout {
    grid-template-columns: 1fr;
    gap: var(--spacing-xs);
  }

  .content-section {
    padding: var(--spacing-md) var(--spacing-xs);
  }
}

@media (max-width: 480px) {
  .hero-text {
    font-size: 14px;
    letter-spacing: 1.5px;
  }

  nav a {
    font-size: 11px;
    padding: 4px 8px;
  }
}

/* 加载状态 */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  font-family: var(--font-serif);
  font-size: 14px;
  letter-spacing: 3px;
  color: var(--color-text-light);
}