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

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

:root {
  --color-bg-light: #F8F9FA;
  --color-bg-white: #FFFFFF;
  --color-text-dark: #2C3E50;
  --color-accent-cream: #FAF3E0;
  --color-accent-beige: #E6D5B8;
  --color-accent-gold: #D4AF37;
  --font-zh: 'Noto Sans SC', sans-serif;
  --font-en: 'Helvetica Now Display', 'Helvetica', sans-serif;
}

body {
  font-family: var(--font-zh), var(--font-en), sans-serif;
  background-color: var(--color-bg-light);
  color: var(--color-text-dark);
  line-height: 1.8;
  letter-spacing: 0.05em;
  overflow-x: hidden;
}

.nav-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.5rem 3rem;
  display: flex;
  justify-content: center;
  gap: 3rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.nav-bar.scrolled {
  background: rgba(255, 255, 255, 0.7);
}

.nav-bar a {
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--color-text-dark);
  text-decoration: none;
  letter-spacing: 0.15em;
  transition: color 0.3s ease;
  position: relative;
}

.nav-bar a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-text-dark);
  transition: width 0.3s ease;
}

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

.hero-section {
  position: relative;
  height: 100vh;
  overflow: hidden;
}

.hero-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--color-bg-white);
}

.hero-title {
  font-size: 4rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  margin-bottom: 1rem;
  animation: fadeInUp 1s ease;
}

.hero-subtitle {
  font-size: 1.2rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  animation: fadeInUp 1.2s ease;
}

.scroll-indicator {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 50px;
  background: var(--color-bg-white);
  animation: scrollDown 2s ease-in-out infinite;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scrollDown {
  0%, 100% {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
  }
  50% {
    transform: translateX(-50%) translateY(20px);
    opacity: 0.3;
  }
}

.content-section {
  padding: 8rem 5%;
  max-width: 1400px;
  margin: 0 auto;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  text-align: center;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  text-align: center;
  color: #666;
  margin-bottom: 5rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4rem;
  align-items: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}

.image-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.image-card img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
}

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

.image-caption {
  text-align: center;
  margin-top: 1rem;
  font-size: 0.9rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: #666;
}

.focal-image {
  width: 80%;
  margin: 0 auto;
  display: block;
}

.focal-text {
  text-align: center;
  margin-top: 2rem;
  font-size: 1.1rem;
  font-weight: 300;
  letter-spacing: 0.15em;
}

.masonry-grid {
  columns: 3;
  column-gap: 2rem;
}

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

.masonry-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
}

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

.masonry-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.masonry-item:hover .masonry-overlay {
  opacity: 1;
}

.masonry-text {
  color: var(--color-bg-white);
  font-size: 0.9rem;
  font-weight: 300;
  letter-spacing: 0.1em;
}

.slider-container {
  display: flex;
  overflow-x: auto;
  scroll-behavior: smooth;
  gap: 2rem;
  padding: 2rem 0;
  scrollbar-width: thin;
  scrollbar-color: var(--color-accent-beige) transparent;
}

.slider-container::-webkit-scrollbar {
  height: 8px;
}

.slider-container::-webkit-scrollbar-track {
  background: transparent;
}

.slider-container::-webkit-scrollbar-thumb {
  background: var(--color-accent-beige);
  border-radius: 4px;
}

.slider-item {
  flex: 0 0 400px;
  cursor: pointer;
  transition: transform 0.3s ease;
}

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

.slider-item img {
  width: 100%;
  height: auto;
  display: block;
}

.footer {
  text-align: center;
  padding: 3rem;
  font-size: 0.9rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  color: #999;
  background: var(--color-bg-white);
}

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

.modal.active {
  display: flex;
}

.modal-content {
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
}

.modal-close {
  position: absolute;
  top: 2rem;
  right: 2rem;
  color: var(--color-bg-white);
  font-size: 2rem;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0.5rem 1rem;
  transition: opacity 0.3s ease;
}

.modal-close:hover {
  opacity: 0.7;
}

@media (max-width: 1024px) {
  .grid-2 {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
  
  .masonry-grid {
    columns: 2;
  }
  
  .hero-title {
    font-size: 3rem;
  }
  
  .content-section {
    padding: 5rem 4%;
  }
}

@media (max-width: 768px) {
  .nav-bar {
    padding: 1rem 1.5rem;
    gap: 1.5rem;
  }
  
  .nav-bar a {
    font-size: 0.8rem;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .grid-3 {
    grid-template-columns: 1fr;
  }
  
  .masonry-grid {
    columns: 1;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .content-section {
    padding: 4rem 5%;
  }
  
  .slider-item {
    flex: 0 0 300px;
  }
  
  .focal-image {
    width: 100%;
  }
}