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

html, body {
  width: 100%;
  height: 100%;
  background-color: #ffffff;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: #111827;
  overflow-x: hidden;
}

.page-layout {
  display: flex;
  width: 100vw;
  min-height: 100vh;
  align-items: center;
  justify-content: space-between;
  padding: 0 6vw;
}

.left-section {
  flex: 1;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  /* 上下居中偏上 */
  transform: translateY(-8vh);
  z-index: 2;
}

.text-group {
  display: inline-block;
}

.title-en {
  font-size: clamp(2.5rem, 4.5vw, 4.2rem);
  font-weight: 800;
  color: #0f172a;
  text-align: left;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
  white-space: nowrap;
}

.subtitle-cn {
  font-size: clamp(1.25rem, 2.2vw, 2.1rem);
  font-weight: 500;
  color: #475569;
  text-align: right;
  letter-spacing: 0.05em;
}

.right-section {
  flex: 1.1;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.image-wrapper {
  width: 100%;
  height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image {
  width: 100%;
  max-width: 580px;
  max-height: 80vh;
  object-fit: contain;
  opacity: 0.85;
  mix-blend-mode: multiply;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

@media (max-width: 768px) {
  .page-layout {
    flex-direction: column;
    justify-content: center;
    padding: 2rem 1.5rem;
  }

  .left-section {
    transform: none;
    margin-top: 2rem;
    margin-bottom: 2rem;
    width: 100%;
    justify-content: center;
  }

  .title-en {
    white-space: normal;
    text-align: center;
  }

  .subtitle-cn {
    text-align: right;
  }

  .right-section {
    width: 100%;
    height: auto;
  }

  .image-wrapper {
    height: 50vh;
  }
}