/* ==========================================
   时尚女装展示网站 - 全局样式
   By HAISNAP
   ========================================== */

/* 重置样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-primary: #f5f5f0;
  --color-secondary: #e8e6e1;
  --color-accent-pink: #f4e4e6;
  --color-accent-blue: #dfe3e8;
  --color-accent-beige: #e7ddd0;
  --color-text-dark: #2c2c2c;
  --color-text-light: #6b6b6b;
  --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Source Han Sans CN', 'Noto Sans SC', sans-serif;
  background-color: var(--color-primary);
  color: var(--color-text-dark);
  line-height: 1.8;
  overflow-x: hidden;
}

/* 导航栏 */
.main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(245, 245, 240, 0.95);
  backdrop-filter: blur(10px);
  padding: 1.5rem 5%;
  display: flex;
  justify-content: center;
  gap: 3rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  transition: var(--transition-smooth);
}

.main-nav a {
  text-decoration: none;
  color: var(--color-text-dark);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  position: relative;
  transition: var(--transition-smooth);
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 100%;
  height: 1px;
  background-color: var(--color-text-dark);
  transition: var(--transition-smooth);
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--color-text-dark);
  opacity: 0.7;
}

.main-nav a:hover::after,
.main-nav a.active::after {
  transform: translateX(-50%) scaleX(1);
}

/* 轮播图容器 */
.hero-slider {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  margin-top: 0;
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1.2s ease-in-out;
}

.slide.active {
  opacity: 1;
}

.slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.85);
}

.slide-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: #fff;
  z-index: 10;
}

.slide-overlay h1 {
  font-family: 'Source Han Serif CN', serif;
  font-size: 3.5rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  margin-bottom: 1rem;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.slide-overlay p {
  font-size: 1.2rem;
  letter-spacing: 0.15em;
  opacity: 0.9;
}

.scroll-indicator {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  color: #fff;
  font-size: 2rem;
  animation: bounce 2s infinite;
  cursor: pointer;
  z-index: 10;
}

@keyframes bounce {
  0%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(10px);
  }
}

/* 主题方块区域 */
.themes-section {
  padding: 8rem 5%;
  background-color: var(--color-primary);
}

.themes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
  max-width: 1400px;
  margin: 0 auto;
}

.theme-card {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  cursor: pointer;
  border-radius: 2px;
  transition: var(--transition-smooth);
}

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

.theme-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.theme-card:hover img {
  transform: scale(1.05);
  filter: brightness(0.8);
}

.theme-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2rem;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
  color: #fff;
  opacity: 0;
  transition: var(--transition-smooth);
}

.theme-card:hover .theme-overlay {
  opacity: 1;
}

.theme-overlay h3 {
  font-family: 'Source Han Serif CN', serif;
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.theme-overlay p {
  font-size: 0.9rem;
  opacity: 0.9;
}

/* 页面标题 */
.page-title {
  font-family: 'Source Han Serif CN', serif;
  text-align: center;
  padding: 10rem 5% 3rem;
  font-size: 3rem;
  font-weight: 300;
  letter-spacing: 0.2em;
}

.page-subtitle {
  text-align: center;
  font-size: 1.1rem;
  color: var(--color-text-light);
  letter-spacing: 0.1em;
  margin-bottom: 4rem;
  font-style: italic;
}

/* 筛选标签 */
.filter-tags {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 4rem;
  flex-wrap: wrap;
}

.filter-tag {
  padding: 0.8rem 2rem;
  background-color: transparent;
  border: 1px solid var(--color-text-light);
  color: var(--color-text-dark);
  cursor: pointer;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  transition: var(--transition-smooth);
}

.filter-tag:hover,
.filter-tag.active {
  background-color: var(--color-text-dark);
  color: var(--color-primary);
  border-color: var(--color-text-dark);
}

/* 瀑布流图片墙 */
.gallery-grid {
  column-count: 3;
  column-gap: 2rem;
  padding: 0 5% 5rem;
  max-width: 1600px;
  margin: 0 auto;
}

.gallery-item {
  break-inside: avoid;
  margin-bottom: 2rem;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  border-radius: 2px;
}

.gallery-item img {
  width: 100%;
  display: block;
  transition: var(--transition-smooth);
}

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

.gallery-caption {
  padding: 1rem 0;
  font-size: 0.9rem;
  color: var(--color-text-light);
  letter-spacing: 0.05em;
  text-align: center;
}

/* 灯箱效果 */
.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.95);
  z-index: 2000;
  justify-content: center;
  align-items: center;
  padding: 2rem;
}

.lightbox.active {
  display: flex;
}

.lightbox img {
  max-width: 90%;
  max-height: 90vh;
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: 2rem;
  right: 2rem;
  font-size: 3rem;
  color: #fff;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.lightbox-close:hover {
  transform: rotate(90deg);
}

/* 灵感故事板块 */
.inspiration-section {
  padding: 0 5% 5rem;
  max-width: 1400px;
  margin: 0 auto;
}

.story-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-bottom: 8rem;
  align-items: center;
}

.story-block:nth-child(even) {
  direction: rtl;
}

.story-block:nth-child(even) > * {
  direction: ltr;
}

.story-image {
  width: 100%;
  height: 500px;
  overflow: hidden;
  border-radius: 2px;
}

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

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

.story-content h2 {
  font-family: 'Source Han Serif CN', serif;
  font-size: 2rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
}

.story-content p {
  font-size: 1rem;
  line-height: 2;
  color: var(--color-text-light);
  letter-spacing: 0.05em;
}

/* 色彩搭配展示 */
.color-palette-section {
  padding: 5rem 5%;
  background-color: var(--color-secondary);
}

.color-palette-title {
  font-family: 'Source Han Serif CN', serif;
  text-align: center;
  font-size: 2rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  margin-bottom: 3rem;
}

.color-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.color-item {
  aspect-ratio: 1;
  border-radius: 2px;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.color-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.color-name {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  text-align: center;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  opacity: 0;
  transition: var(--transition-smooth);
}

.color-item:hover .color-name {
  opacity: 1;
}

/* 页脚 */
footer {
  text-align: center;
  padding: 3rem 5%;
  background-color: var(--color-primary);
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.footer-content p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  letter-spacing: 0.2em;
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .slide-overlay h1 {
    font-size: 2.5rem;
  }
  
  .gallery-grid {
    column-count: 2;
  }
  
  .story-block {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .story-block:nth-child(even) {
    direction: ltr;
  }
}

@media (max-width: 768px) {
  .main-nav {
    gap: 1.5rem;
    padding: 1rem 3%;
  }
  
  .main-nav a {
    font-size: 0.9rem;
  }
  
  .slide-overlay h1 {
    font-size: 2rem;
  }
  
  .slide-overlay p {
    font-size: 1rem;
  }
  
  .themes-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .page-title {
    font-size: 2rem;
    padding: 8rem 5% 2rem;
  }
  
  .gallery-grid {
    column-count: 1;
  }
  
  .story-image {
    height: 350px;
  }
  
  .color-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .main-nav {
    gap: 1rem;
  }
  
  .main-nav a {
    font-size: 0.85rem;
  }
  
  .slide-overlay h1 {
    font-size: 1.5rem;
  }
  
  .page-title {
    font-size: 1.5rem;
  }
  
  .filter-tags {
    gap: 1rem;
  }
  
  .filter-tag {
    padding: 0.6rem 1.5rem;
    font-size: 0.85rem;
  }
  
  .color-grid {
    grid-template-columns: 1fr;
  }
}

/* 加载动画 */
.fade-in {
  animation: fadeIn 0.8s ease-in;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}