@import url('https://cdn.jsdelivr.net/npm/water.css@2/out/water.css');

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

:root {
  --primary-bg: #F5F5F5;
  --accent-color: #6E4C41;
  --text-primary: #2C2C2C;
  --text-light: #999;
  --overlay-dark: rgba(0, 0, 0, 0.3);
}

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

nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: transparent;
  padding: 2rem 5%;
  display: flex;
  justify-content: center;
  gap: 3rem;
}

nav a {
  color: #FFF;
  text-decoration: none;
  font-size: 0.9rem;
  letter-spacing: 0.2rem;
  font-weight: 300;
  position: relative;
  transition: all 0.3s ease;
}

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

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

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

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.7);
}

.hero-text {
  position: relative;
  z-index: 10;
  text-align: center;
  color: #FFF;
}

.hero-text h1 {
  font-size: 3rem;
  font-weight: 200;
  letter-spacing: 1rem;
  margin-bottom: 1rem;
}

.hero-text p {
  font-size: 1rem;
  letter-spacing: 0.5rem;
  font-weight: 200;
}

.collection-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding: 5rem 10%;
  max-width: 1400px;
  margin: 0 auto;
}

.collection-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.collection-item img {
  width: 100%;
  height: 450px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.collection-item::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--overlay-dark);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.collection-item:hover::after {
  opacity: 1;
}

.item-label {
  position: absolute;
  bottom: 20px;
  left: 20px;
  color: #FFF;
  font-size: 0.8rem;
  letter-spacing: 0.2rem;
  z-index: 10;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.collection-item:hover .item-label {
  opacity: 1;
}

.guide-text {
  text-align: center;
  padding: 3rem 0;
  font-size: 0.9rem;
  letter-spacing: 0.3rem;
  color: var(--text-light);
}

.waterfall {
  column-count: 3;
  column-gap: 2rem;
  padding: 5rem 5%;
  max-width: 1600px;
  margin: 0 auto;
}

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

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

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

.philosophy-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  padding: 8rem 10%;
  max-width: 1400px;
  margin: 0 auto;
  min-height: 80vh;
}

.philosophy-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.philosophy-text h1 {
  font-size: 2.5rem;
  font-weight: 200;
  letter-spacing: 1rem;
  margin-bottom: 3rem;
  color: var(--accent-color);
}

.philosophy-text p {
  font-size: 1rem;
  line-height: 2.2;
  font-weight: 300;
  color: var(--text-primary);
  text-align: justify;
}

.philosophy-image {
  display: flex;
  align-items: center;
  justify-content: center;
}

.philosophy-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: grayscale(0.2);
}

.page-title {
  text-align: center;
  padding: 8rem 0 3rem;
  font-size: 1.2rem;
  letter-spacing: 0.8rem;
  font-weight: 200;
  color: var(--text-primary);
}

footer {
  text-align: center;
  padding: 3rem 0;
  border-top: 1px solid #E0E0E0;
  margin-top: 5rem;
}

footer p {
  font-size: 0.8rem;
  color: var(--text-light);
  letter-spacing: 0.2rem;
}

.lightbox {
  display: none;
  position: fixed;
  z-index: 2000;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.95);
  align-items: center;
  justify-content: center;
}

.lightbox.active {
  display: flex;
}

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

.lightbox-close {
  position: absolute;
  top: 30px;
  right: 50px;
  color: #FFF;
  font-size: 2rem;
  cursor: pointer;
  font-weight: 200;
}

@media (max-width: 768px) {
  nav {
    gap: 1.5rem;
    padding: 1.5rem 5%;
  }

  nav a {
    font-size: 0.75rem;
    letter-spacing: 0.1rem;
  }

  .hero-text h1 {
    font-size: 1.8rem;
    letter-spacing: 0.5rem;
  }

  .hero-text p {
    font-size: 0.8rem;
    letter-spacing: 0.3rem;
  }

  .collection-grid {
    grid-template-columns: 1fr;
    padding: 3rem 5%;
  }

  .collection-item img {
    height: 350px;
  }

  .waterfall {
    column-count: 1;
    padding: 3rem 5%;
  }

  .philosophy-container {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 5rem 5%;
  }

  .philosophy-text h1 {
    font-size: 1.8rem;
    letter-spacing: 0.5rem;
  }

  .philosophy-text p {
    font-size: 0.9rem;
  }

  .page-title {
    padding: 5rem 0 2rem;
    font-size: 1rem;
    letter-spacing: 0.5rem;
  }

  .lightbox-close {
    top: 20px;
    right: 20px;
    font-size: 1.5rem;
  }
}