@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@500;700&family=Noto+Sans+SC:wght@300;400&display=swap');

:root {
  --color-white: #FFFFFF;
  --color-light-gray: #F5F5F5;
  --color-charcoal: #1A1A1A;
  --color-terracotta: #D7A492;
  --font-title-cn: 'Noto Serif SC', serif;
  --font-body-cn: 'Noto Sans SC', sans-serif;
  --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

.nav-container {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(26, 26, 26, 0.08);
}

nav {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem 3rem;
  display: flex;
  justify-content: center;
  gap: 4rem;
}

nav a {
  font-family: var(--font-title-cn);
  font-size: 16px;
  font-weight: 500;
  color: var(--color-charcoal);
  text-decoration: none;
  position: relative;
  transition: var(--transition-smooth);
  letter-spacing: 0.1em;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-terracotta);
  transition: var(--transition-smooth);
}

nav a:hover::after {
  width: 100%;
}

.hero-carousel {
  height: 100vh;
  position: relative;
  overflow: hidden;
  margin-top: 80px;
}

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

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

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.carousel-caption {
  position: absolute;
  bottom: 10%;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-title-cn);
  font-size: 32px;
  font-weight: 700;
  color: var(--color-white);
  text-align: center;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
  letter-spacing: 0.15em;
}

.featured-section {
  max-width: 1400px;
  margin: 8rem auto;
  padding: 0 3rem;
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6rem;
  margin-top: 4rem;
}

.featured-item {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.featured-main-image {
  width: 100%;
  height: 600px;
  overflow: hidden;
  background-color: var(--color-light-gray);
}

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

.featured-main-image:hover img {
  transform: scale(1.03);
}

.featured-details {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.featured-detail-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
  background-color: var(--color-light-gray);
}

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

.featured-detail-image:hover img {
  transform: scale(1.03);
}

.featured-description {
  font-family: var(--font-title-cn);
  font-size: 16px;
  font-weight: 500;
  color: var(--color-charcoal);
  text-align: center;
  margin-top: 1rem;
  letter-spacing: 0.08em;
  line-height: 2;
}

.series-section {
  max-width: 1400px;
  margin: 8rem auto;
  padding: 0 3rem;
}

.series-title {
  font-family: var(--font-title-cn);
  font-size: 32px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 6rem;
  letter-spacing: 0.15em;
}

.series-category {
  margin-bottom: 8rem;
}

.category-title {
  font-family: var(--font-title-cn);
  font-size: 24px;
  font-weight: 500;
  margin-bottom: 3rem;
  letter-spacing: 0.1em;
  border-bottom: 1px solid var(--color-light-gray);
  padding-bottom: 1rem;
}

.series-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 4rem;
}

.series-item {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.series-image {
  width: 100%;
  height: 500px;
  overflow: hidden;
  background-color: var(--color-light-gray);
}

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

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

.series-craft {
  font-size: 14px;
  color: var(--color-charcoal);
  opacity: 0.7;
  letter-spacing: 0.05em;
}

.series-concept {
  font-family: var(--font-title-cn);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-charcoal);
  letter-spacing: 0.08em;
  line-height: 2;
}

.philosophy-section {
  max-width: 1200px;
  margin: 8rem auto;
  padding: 0 3rem;
}

.visual-narrative {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
  margin-bottom: 8rem;
}

.narrative-image {
  width: 100%;
  height: 600px;
  overflow: hidden;
  background-color: var(--color-light-gray);
}

.narrative-image:first-child {
  grid-column: 1 / -1;
  height: 700px;
}

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

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

.philosophy-content {
  max-width: 800px;
  margin: 0 auto;
  line-height: 2.5;
}

.philosophy-content h2 {
  font-family: var(--font-title-cn);
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 2rem;
  letter-spacing: 0.1em;
}

.philosophy-content p {
  font-size: 16px;
  margin-bottom: 2rem;
  letter-spacing: 0.05em;
  text-align: justify;
}

footer {
  text-align: center;
  padding: 4rem 0;
  margin-top: 8rem;
  border-top: 1px solid var(--color-light-gray);
  font-size: 14px;
  color: var(--color-charcoal);
  opacity: 0.6;
  letter-spacing: 0.1em;
}

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

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

@media (max-width: 1024px) {
  nav {
    gap: 2rem;
    padding: 1.5rem 2rem;
  }

  .featured-grid {
    grid-template-columns: 1fr;
    gap: 4rem;
  }

  .series-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
  }

  .visual-narrative {
    grid-template-columns: 1fr;
  }

  .narrative-image:first-child {
    grid-column: 1;
  }
}

@media (max-width: 768px) {
  nav {
    flex-wrap: wrap;
    gap: 1.5rem;
    padding: 1rem 1.5rem;
  }

  nav a {
    font-size: 14px;
  }

  .carousel-caption {
    font-size: 24px;
  }

  .featured-section,
  .series-section,
  .philosophy-section {
    margin: 4rem auto;
    padding: 0 1.5rem;
  }

  .series-title {
    font-size: 28px;
    margin-bottom: 4rem;
  }

  .category-title {
    font-size: 20px;
  }

  .philosophy-content {
    line-height: 2.2;
  }

  .philosophy-content h2 {
    font-size: 20px;
  }
}