@charset "utf-8";

.about-hero {
  --progress: 0;
  position: relative;
  height: 660px;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: #0a0a0a;
}

.about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  opacity: var(--progress);
  pointer-events: none;
  z-index: 2;
}

.about-hero .hero-mbg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  animation: about-hero-breathe 20s linear infinite;
}

.about-hero .hero-mbg.is-offscreen-paused {
  animation-play-state: paused;
}

.about-hero .hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  border: 0;
}

.about-hero .hero-inner {
  position: relative;
  z-index: 3;
  width: 100%;
  box-sizing: border-box;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: 132px;
}

.about-hero .hero-title-cn {
  margin: 0;
  color: rgba(255, 255, 255, 1);
  font-family: "Noto Sans SC", "Noto Sans S Chinese", "Microsoft YaHei", sans-serif;
  font-style: normal;
  font-size: 48px;
  font-weight: 700;
  line-height: 70px;
  letter-spacing: calc(var(--progress) * 0.18em);
  text-align: left;
  overflow: hidden;
  opacity: 0;
}

.about-hero .hero-title-en {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.6);
  font-family: "HarmonyOS Sans SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-style: normal;
  font-size: 48px;
  font-weight: 700;
  line-height: 56px;
  letter-spacing: calc(var(--progress) * 0.25em);
  text-align: left;
  text-transform: uppercase;
  overflow: hidden;
  opacity: 0;
}

@keyframes about-hero-breathe {
  0% {
    transform: scale(1.08);
  }
  50% {
    transform: scale(1);
  }
  100% {
    transform: scale(1.08);
  }
}

@media (prefers-reduced-motion: reduce) {
  .about-hero .hero-mbg {
    animation: none;
    transform: none;
  }

  .about-hero .hero-title-cn,
  .about-hero .hero-title-en {
    opacity: 1;
    filter: none;
    transform: none;
  }
}

@media only screen and (max-width: 1199px) {
  .about-hero {
    height: 440px;
  }

  .about-hero .hero-inner {
    padding-bottom: 80px;
  }

  .about-hero .hero-title-cn,
  .about-hero .hero-title-en {
    font-size: 40px;
    line-height: 1.25;
  }
}

@media only screen and (max-width: 991px) {
  .about-hero {
    height: 400px;
  }

  .about-hero .hero-title-cn,
  .about-hero .hero-title-en {
    font-size: 36px;
  }

  .about-hero .hero-mbg {
    animation: none;
    transform: none;
  }
}

@media only screen and (max-width: 767px) {
  .about-hero {
    height: 360px;
  }

  .about-hero .hero-inner {
    margin-top: 88px;
  }

  .about-hero .hero-title-cn,
  .about-hero .hero-title-en {
    font-size: 32px;
    line-height: 1.3;
  }
}