.xindongda_sidebanner {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.xindongda_sidebanner_bg {
  position: relative;
  width: 100%;
  aspect-ratio: 1920 / 800;
  min-height: 320px;
}

.xindongda_sidebanner_bg img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform-origin: center center;
}

.xindongda_sidebanner_bg .bg-mobile {
  display: none;
}

.xindongda_sidebanner.zoom-in .xindongda_sidebanner_bg img {
  animation: xindongda_sidebanner_zoom_in 3s ease forwards;
}

.xindongda_sidebanner.zoom-out .xindongda_sidebanner_bg img {
  animation: xindongda_sidebanner_zoom_out 3s ease forwards;
}

.xindongda_sidebanner.zoom-up-right .xindongda_sidebanner_bg img {
  animation: xindongda_sidebanner_zoom_up_right 3s ease forwards;
}

@keyframes xindongda_sidebanner_zoom_in {
  from {
    transform: scale(1);
  }

  to {
    transform: scale(1.05);
  }
}

@keyframes xindongda_sidebanner_zoom_out {
  from {
    transform: scale(1.05);
  }

  to {
    transform: scale(1);
  }
}

@keyframes xindongda_sidebanner_zoom_up_right {
  from {
    transform: scale(1) translate(0, 0);
  }

  to {
    transform: scale(1.05) translate(1.5%, -1.5%);
  }
}

.xindongda_sidebanner_content {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  background: rgba(10, 10, 10, 0.40);
  background: linear-gradient(0deg, rgba(10, 10, 10, 0.20) 0%, rgba(10, 10, 10, 0.20) 100%),
    linear-gradient(90deg, rgba(0, 0, 0, 0.80) 0%, rgba(0, 0, 0, 0.40) 50%, rgba(0, 0, 0, 0.00) 100%);
}

.xindongda_sidebanner.no-overlay .xindongda_sidebanner_content {
  background: transparent;
}

.xindongda_sidebanner_title {
  color: #FFF;
  font-size: clamp(30px, calc(6.5vw + 4px), 118px);
  font-weight: 500;
  line-height: 1.25;
  margin-bottom: .4688rem;
  text-transform: capitalize;
}

.xindongda_sidebanner_desc {
  color: rgba(255, 255, 255, 0.90);
  font-size: var(--font-size-22);
  font-weight: 500;
  line-height: 1.25;
}

@media screen and (max-width: 768px) {
  .xindongda_sidebanner_bg .bg-pc {
    display: none;
  }

  .xindongda_sidebanner_bg .bg-mobile {
    display: block;
  }
}