/* 自定义样式 - 时尚男装展示网站 */

/* 全局变量 */
:root {
  --primary-black: #000000;
  --primary-white: #ffffff;
  --light-gray: #f5f5f5;
  --medium-gray: #999999;
  --dark-gray: #333333;
  --charcoal: #222222;
  --cement: #666666;
  --oat: #f0ebe0;
  --sand: #e8e0d5;
  --navy: #1e2a3a;
  --champagne: #f7e7ce;
  --tungsten: #71797e;
}

/* 基础样式重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, 'Noto Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';
  background-color: var(--primary-white);
  color: var(--dark-gray);
  line-height: 1.6;
}

/* 导航栏样式 */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--light-gray);
}

.nav-link {
  color: var(--dark-gray);
  text-decoration: none;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  transition: color 0.3s ease;
  position: relative;
}

.nav-link:hover {
  color: var(--charcoal);
}

.nav-link.active {
  color: var(--charcoal);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--charcoal);
}

/* Hero Section 全屏轮播 */
.hero-slider {
  height: 100vh;
  position: relative;
  overflow: hidden;
}

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

.hero-slide.active {
  opacity: 1;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: var(--primary-white);
  z-index: 2;
}

.hero-tagline {
  font-size: 2.5rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* 风格卡片网格 */
.style-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  padding: 4rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.style-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  background: var(--primary-white);
  transition: transform 0.3s ease;
}

.style-card:hover {
  transform: translateY(-5px);
}

.style-card-image {
  width: 100%;
  height: 400px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.style-card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  color: var(--primary-white);
  padding: 2rem;
}

/* 瀑布流布局 */
.masonry-grid {
  columns: 4;
  column-gap: 1rem;
  padding: 2rem;
}

.masonry-item {
  break-inside: avoid;
  margin-bottom: 1rem;
}

.masonry-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.3s ease;
}

.masonry-item:hover img {
  transform: scale(1.02);
}

/* 型录手册全屏滚动 */
.lookbook-section {
  height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lookbook-image {
  max-width: 90%;
  max-height: 80vh;
  object-fit: contain;
}

.lookbook-text {
  position: absolute;
  bottom: 10%;
  left: 50%;
  transform: translateX(-50%);
  color: var(--primary-white);
  font-size: 1.2rem;
  letter-spacing: 0.1em;
  text-align: center;
  background: rgba(0, 0, 0, 0.5);
  padding: 1rem 2rem;
}

/* 文章列表 */
.article-list {
  max-width: 800px;
  margin: 4rem auto;
  padding: 0 2rem;
}

.article-item {
  border-bottom: 1px solid var(--light-gray);
  padding: 2rem 0;
  transition: background-color 0.3s ease;
}

.article-item:hover {
  background-color: var(--light-gray);
}

.article-title {
  font-size: 1.5rem;
  color: var(--charcoal);
  text-decoration: none;
  transition: color 0.3s ease;
}

.article-title:hover {
  color: var(--medium-gray);
}

/* 关于我们页面 */
.about-container {
  max-width: 900px;
  margin: 4rem auto;
  padding: 0 2rem;
  text-align: center;
}

.about-image {
  width: 100%;
  max-width: 600px;
  height: auto;
  margin: 2rem 0;
}

/* 图片细节展示 */
.detail-image {
  width: 100%;
  height: 300px;
  object-fit: cover;
  margin: 1rem 0;
}

/* 页脚 */
.footer {
  text-align: center;
  padding: 2rem;
  color: var(--medium-gray);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .hero-tagline {
    font-size: 1.5rem;
  }

  .style-grid {
    grid-template-columns: 1fr;
    padding: 2rem 1rem;
  }

  .masonry-grid {
    columns: 2;
    padding: 1rem;
  }

  .navbar {
    padding: 1rem;
  }

  .article-list {
    padding: 0 1rem;
  }

  .about-container {
    padding: 0 1rem;
  }
}

@media (max-width: 480px) {
  .masonry-grid {
    columns: 1;
  }

  .hero-tagline {
    font-size: 1.2rem;
    letter-spacing: 0.1em;
  }
}

/* 页面切换动画 */
.page-transition {
  opacity: 0;
  transition: opacity 0.5s ease;
}

.page-transition.active {
  opacity: 1;
}

/* 按钮悬停效果 */
.hover-underline {
  position: relative;
}

.hover-underline::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--charcoal);
  transition: width 0.3s ease;
}

.hover-underline:hover::after {
  width: 100%;
}

/* 细节标签 */
.detail-tag {
  display: inline-block;
  background-color: var(--light-gray);
  color: var(--charcoal);
  padding: 0.25rem 0.75rem;
  margin: 0.25rem;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

/* 加载动画 */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--light-gray);
  border-top-color: var(--charcoal);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}