.banner-container {
  min-width: 1200px;
  width: 100%;
  height: 893px;
  background-image: url('../images/banner_bg.png');
  background-position: center top; 
  background-repeat: no-repeat;
  background-size: cover;
  transition: height 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}
.banner-container.banner-option{
  height: 320px !important;
  background-position: center center !important;
}
.banner-container.collapsed {
  height: 320px;
}
.banner-container .banner-main {
  width: 1200px;
  height: 100%;
  margin: 0 auto;
  padding: 86px 0 0 64px;
}

.banner-main .banner-title {
  font-weight: 500;
  font-size: 37px;
  color: #131415;
  line-height: 52px;
  margin-bottom: 30px;
}

.banner-main .banner-summary {
  font-weight: 500;
  font-size: 22px;
  color: #131415;
  line-height: 30px;
}

.banner-container .btn-icon {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -15px;
  margin: auto;
  width: 30px;
  height: 30px;
  line-height: 30px;
  text-align: center;
  border-radius: 50%;
  color: #fff;
  background: center center #4A54FF;
  background-image: linear-gradient(315deg, #6772FF 0, #00F9E5 100%);
  background-size: 100% 100%;
  box-shadow: 0 15px 18px -6px rgba(74, 84, 255, 0.6)
}
.banner-container .btn-icon::after {
  content: '';
  position: absolute;
  left: 9px;
  right: 0;
  top: 7px;
  bottom: 0;
  width: 10px;
  height: 10px;
  border-bottom: 2px solid #fff;
  border-right: 2px solid #fff;
  transform: rotate(45deg);
}