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

:root {
  --color-bg: #FFFFFF;
  --color-text: #333333;
  --color-secondary: #666666;
  --color-accent: #F5F5F5;
  --font-primary: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  font-family: var(--font-primary);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.8;
  font-size: 16px;
  overflow-x: hidden;
}

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: 1.5rem 2rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

nav ul {
  display: flex;
  justify-content: center;
  list-style: none;
  gap: 3rem;
  max-width: 1200px;
  margin: 0 auto;
}

nav a {
  color: var(--color-secondary);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.5px;
  transition: var(--transition);
  position: relative;
}

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

nav a:hover {
  color: var(--color-text);
}

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

main {
  padding-top: 70px;
}

.hero {
  position: relative;
  height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slider {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
}

.slider img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
}

.slider img.active {
  opacity: 1;
}

.hero-text {
  position: relative;
  z-index: 10;
  text-align: center;
  color: var(--color-bg);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
  padding: 2rem;
  max-width: 800px;
}

.hero-text h1 {
  font-size: 48px;
  font-weight: 500;
  margin-bottom: 1rem;
  letter-spacing: 2px;
}

.hero-text p {
  font-size: 20px;
  font-weight: 300;
  letter-spacing: 1px;
}

.content-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 6rem 2rem;
}

.content-section h2 {
  font-size: 36px;
  font-weight: 500;
  text-align: center;
  margin-bottom: 1rem;
  letter-spacing: 1px;
}

.content-section h3 {
  font-size: 24px;
  font-weight: 500;
  margin-bottom: 1.5rem;
  letter-spacing: 0.5px;
}

.content-section .subtitle {
  font-size: 18px;
  color: var(--color-secondary);
  text-align: center;
  margin-bottom: 3rem;
}

.content-section p {
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 2rem;
  color: var(--color-text);
}

.detail-focus {
  background-color: var(--color-accent);
  padding: 4rem 2rem;
  margin: 4rem 0;
}

.cta-link {
  display: inline-block;
  color: var(--color-secondary);
  text-decoration: none;
  font-size: 16px;
  margin-top: 2rem;
  transition: var(--transition);
}

.cta-link:hover {
  color: var(--color-text);
  transform: translateX(5px);
}

.grid-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin: 4rem 0;
}

.grid-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3/4;
  cursor: pointer;
}

.grid-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.grid-item:hover img {
  transform: scale(1.05);
}

.collection-section {
  margin: 5rem 0;
}

.collection-section h3 {
  margin-bottom: 1.5rem;
}

.philosophy-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
  margin: 4rem 0;
}

.philosophy-images {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.philosophy-images img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.philosophy-content h3 {
  margin-top: 2rem;
}

footer {
  text-align: center;
  padding: 2rem;
  background-color: var(--color-accent);
  color: var(--color-text);
  font-size: 14px;
  letter-spacing: 1px;
}

@media (max-width: 1024px) {
  nav ul {
    gap: 2rem;
  }

  .hero-text h1 {
    font-size: 36px;
  }

  .hero-text p {
    font-size: 18px;
  }

  .content-section {
    padding: 4rem 1.5rem;
  }

  .grid-container {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .philosophy-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  nav {
    padding: 1rem;
  }

  nav ul {
    gap: 1.5rem;
  }

  nav a {
    font-size: 14px;
  }

  .hero-text h1 {
    font-size: 28px;
  }

  .hero-text p {
    font-size: 16px;
  }

  .content-section {
    padding: 3rem 1rem;
  }

  .content-section h2 {
    font-size: 28px;
  }

  .content-section h3 {
    font-size: 20px;
  }

  .grid-container {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .detail-focus {
    padding: 3rem 1rem;
  }
}

@media (max-width: 480px) {
  .hero-text h1 {
    font-size: 24px;
  }

  .hero-text p {
    font-size: 14px;
  }

  .content-section h2 {
    font-size: 24px;
  }

  .content-section h3 {
    font-size: 18px;
  }

  .content-section p {
    font-size: 15px;
  }
}