/* fashion-showcase-182118/frontend/public/css/style.css */

/* 引入字体：Montserrat (英文标题) 和 Noto Sans SC (中文) */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600&family=Noto+Sans+SC:wght@300;400;500&display=swap');

:root {
  /* Pico CSS 变量覆盖 - 适配极简现代配色方案 */
  --pico-font-family: 'Noto Sans SC', 'Montserrat', system-ui, -apple-system, sans-serif;
  --pico-background-color: #FFFFFF;
  --pico-color: #333333;
  --pico-muted-color: #666666;
  --pico-primary: #8A6C5C; /* 陶土粉 */
  --pico-primary-background: #8A6C5C;
  --pico-primary-hover: #B0A494;
  --pico-primary-inverse: #FFFFFF;
  --pico-border-radius: 0; /* 极简风格，去圆角 */
  --pico-spacing: 1.5rem;
  
  /* 自定义调色板 */
  --color-bg-secondary: #F8F8F8;
  --color-accent-blue: #4A5B6E; /* 雾霾蓝 */
  --color-accent-beige: #E8D8C9; /* 浅米 */
  --color-hover: #B0A494;
  
  /* 布局变量 */
  --nav-height: 80px;
  --transition-speed: 0.3s;
}

/* 全局重置与基础样式 */
body {
  padding-top: var(--nav-height);
  overflow-x: hidden;
  letter-spacing: 0.02em;
  font-weight: 300;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', 'Noto Sans SC', sans-serif;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: #222;
}

/* 顶部固定导航栏 */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid rgba(0,0,0,0.03);
  padding: 0 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all var(--transition-speed) ease;
}

.brand-logo {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: #000;
  text-decoration: none;
  text-transform: uppercase;
}

.site-nav ul {
  display: flex;
  gap: 3rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: #333;
  text-decoration: none;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  position: relative;
  padding-bottom: 4px;
  transition: color var(--transition-speed);
}

.site-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--pico-primary);
  transition: width var(--transition-speed);
}

.site-nav a:hover::after,
.site-nav a.active::after {
  width: 100%;
}

/* 页面过渡与动效 */
.fade-in {
  animation: fadeIn 0.8s ease-out forwards;
  opacity: 0;
}

.fade-in-up {
  animation: fadeInUp 0.8s ease-out forwards;
  opacity: 0;
  transform: translateY(20px);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  to { opacity: 1; transform: translateY(0); }
}

/* 图片交互容器 */
.img-hover-zoom {
  overflow: hidden;
  position: relative;
  background-color: #f0f0f0;
  display: block;
}

.img-hover-zoom img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  display: block;
}

.img-hover-zoom:hover img {
  transform: scale(1.03);
}

/* 全屏轮播图组件 (首页) */
.hero-slider {
  height: calc(100vh - var(--nav-height));
  position: relative;
  overflow: hidden;
  background: #f4f4f4;
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1.2s ease-in-out;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slide.active {
  opacity: 1;
  z-index: 1;
}

.slide-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  filter: brightness(0.9); /* 轻微压暗突出文字 */
}

.slide-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: white;
  max-width: 800px;
  padding: 0 2rem;
  text-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.slide-content h2 {
  font-size: 3rem;
  font-weight: 300;
  margin-bottom: 1rem;
  color: #fff;
  letter-spacing: 0.1em;
}

/* 视觉标语区域 */
.quote-section {
  text-align: center;
  padding: 8rem 2rem;
  background-color: var(--color-bg-secondary);
}

.quote-text {
  font-family: 'Montserrat', sans-serif;
  font-size: 2rem;
  font-weight: 300;
  color: var(--pico-color);
  line-height: 1.5;
  margin-bottom: 2rem;
}

.quote-cite {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--pico-muted-color);
}

/* 快速导航网格 */
.nav-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  height: 60vh;
}

.nav-grid-item {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.nav-grid-item img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
  filter: grayscale(20%);
}

.nav-grid-item:hover img {
  transform: scale(1.05);
  filter: grayscale(0%);
}

.nav-grid-label {
  position: relative;
  z-index: 2;
  background: rgba(255, 255, 255, 0.9);
  padding: 1.2rem 2.5rem;
  font-family: 'Montserrat', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.9rem;
  color: #000;
  backdrop-filter: blur(5px);
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

/* 通用网格布局 */
.container-fluid {
  max-width: 1400px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

.fashion-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 4rem;
}

.insight-card h3 {
  font-size: 1.4rem;
  margin: 1.5rem 0 0.5rem;
}

.insight-card p {
  color: var(--pico-muted-color);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* 大图模态框 */
dialog {
  padding: 0;
  border: none;
  background: transparent;
  max-width: 95vw;
  max-height: 95vh;
  box-shadow: none;
}

dialog::backdrop {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
}

dialog img {
  max-height: 90vh;
  width: auto;
  max-width: 100%;
  display: block;
  margin: 0 auto;
  box-shadow: 0 20px 50px rgba(0,0,0,0.1);
}

dialog .close-btn {
  position: fixed;
  top: 2rem;
  right: 2rem;
  background: none;
  border: none;
  font-size: 2rem;
  color: #333;
  cursor: pointer;
  z-index: 20;
  padding: 1rem;
}

/* 页脚 */
.site-footer {
  text-align: center;
  padding: 3rem 0;
  border-top: 1px solid #f0f0f0;
  background: #fff;
}

.site-footer small {
  color: #999;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
}

/* 响应式断点 */
@media (max-width: 1024px) {
  .nav-grid { height: auto; grid-template-columns: 1fr; }
  .nav-grid-item { height: 40vh; }
  .slide-content h2 { font-size: 2.5rem; }
}

@media (max-width: 768px) {
  :root { --nav-height: 60px; }
  
  .site-header { padding: 0 1.5rem; }
  
  /* 移动端菜单样式适配 */
  .site-nav ul { gap: 1.5rem; }
  .site-nav a { font-size: 0.75rem; }
  .brand-logo { display: none; } /* 移动端精简 */
  .site-header { justify-content: center; }
  
  .hero-slider { height: 60vh; }
  .quote-text { font-size: 1.4rem; padding: 0 1rem; }
  
  .fashion-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

/* 槽位与工具 */
.content-slot {
  display: none; /* 预留槽位 */
}

.text-center { text-align: center; }
.my-4 { margin-top: 4rem; margin-bottom: 4rem; }
.tracking-wide { letter-spacing: 0.1em; }