.product-banner {
  position: relative;
  height: 700px;
  background-color: #0B1B2E;
  overflow: hidden;
}
.product-banner-content {
  position: relative;
  display: flex;
  align-items: center;
  padding: 200px 154px;
  height: 100%;
  color: #fff;
}
.product-banner-content-left {
  flex: 1;
}
.product-title {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
}
.product-banner-title {
  display: block;
  margin: 30px 0 20px 0;
  color: #fff;
}
.product-banner-desc {
  font-size: 24px;
  font-weight: 400;
  display: block;
  color: #fff;
  margin-bottom: 48px;
}
.product-banner-content-right {
  flex: 1;
  margin-left: 170px;
  display: flex;
  align-items: center;
  height: 100%;
  position: relative;
}
.product-banner-absolute {
  position: absolute;
  z-index: 15;
}
.product-banner-btn-item {
  position: absolute;
  height: 42px;
  display: flex;
  align-items: center;
  padding: 0 42px;
  gap: 15px;
  border-radius: 21px;
  cursor: pointer;
  backdrop-filter: blur(4px); /* 关键属性 */
  background-color: rgba(255, 255, 255, 0.5);
}
.product-banner-btn-item-icon {
  width: auto;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-banner-btn-item:hover {
  color: #013152;
}
.msgbox-chat-card {
  position: relative;
  width: 702px;
  height: 425px;
  border: 1px solid #fff;
  background-color: #fff;
  border-radius: 24px;
  opacity: 0;
  animation: fadeSlideUp 1s forwards;
}
.msgbox-chat-card-header {
  display: flex;
  align-items: center;
  background-color: #20293A;
  border-radius: 24px 24px 0 0;
  height: 58px;
  padding: 0 30px;
}
.msgbox-chat-card-header-menus {
  display: flex;
  align-items: center;
  flex: 1;
}
.msgbox-chat-card-header-menu {
  flex: 1;
  color: #fff;
  border-radius: 10px;
  height: 35px;
  line-height: 35px;
  box-sizing: border-box;
  padding: 0 15px;
  font-size: 14px;
  opacity: 0;
  animation: fadeSlideDownUpDown 1s forwards;
  animation-delay: 1s;
  background-color: transparent;
}
.msgbox-chat-card-header-menu:nth-child(2) {
  animation-delay: 1.1s;
}
.msgbox-chat-card-header-menu:nth-child(3) {
  animation-delay: 1.2s;
}
.msgbox-chat-card-header-menu:nth-child(4) {
  animation-delay: 1.3s;
}
.msgbox-chat-card-header-menu:nth-child(5) {
  animation-delay: 1.4s;
}
.msgbox-chat-card-header-menu:nth-child(6) {
  animation-delay: 1.5s;
}
.msgbox-chat-card-header-menu:nth-child(7) {
  animation-delay: 1.6s;
}
.msgbox-chat-card-header-menu.active {
  background-color: rgba(255, 255, 255, 0.2);
}
.msgbox-chat-card-header-avatar {
  width: 25px;
  height: 25px;
  margin-left: 20px;
  background-color: #FFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.msgbox-chat-card-content {
  flex: 1;
  display: flex;
}
.msgbox-chat-card-content-left {
  display: flex;
  flex-direction: column;
  color: #363636;
  padding: 24px 0 0 31px;
  font-size: 14px;
  opacity: 0;
  animation: fadeSlideDownUpDown 1s forwards;
  animation-delay: 1.5s;
}
.msgbox-chat-card-content-left span {
  margin-bottom: 10px;
}
.msgbox-chat-card-content-right {
  flex: 1;
  padding: 40px 60px;
}
.msgbox-chat-card-content-mark {
  width: 100%;
  height: 28px;
  border-radius: 14px;
  margin-bottom: 6px;
  background-color: #EBEBEB;
  opacity: 0;
  animation: fadeSlideRight 1s forwards;
  animation-delay: 1.5s;
}
.msgbox-chat-card-content-mark:nth-child(2) {
  animation-delay: 1.8s;
}
.msgbox-chat-card-content-mark:nth-child(3) {
  animation-delay: 2.1s;
}
.msgbox-chat-card-content-mark:nth-child(4) {
  animation-delay: 2.4s;
}
.msgbox-chat-card-content-mark:nth-child(5) {
  animation-delay: 2.7s;
}
.msgbox-chat-card-content-mark.active {
  background-color: #849FFF;
}
.msgbox-chat-card-content-mark.span_2 {
  width: 66%;
}
.msgbox-chat-card-content-mark.two {
  height: 75px;
}
.msgbox-chat-slider-card {
  position: absolute;
  width: 303px;
  height: 230px;
  bottom: 45px;
  left: -80px;
  background-color: #FFF;
  color: #363636;
  font-size: 14px;
  padding: 28px  30px;
  border-radius: 26px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  opacity: 0;
  animation: fadeSlideLeft 1s forwards;
  animation-delay: 2s;
}
.msgbox-chat-slider-card-item {
  display: flex;
  gap: 20px;
  align-items: center;
  margin-bottom: 15px;
  opacity: 0;
  animation: fadeSlideRight 1s forwards;
  animation-delay: .7s;
}
.msgbox-chat-slider-card-item:nth-child(2) {
  animation-delay: .9s;
}
.msgbox-chat-slider-card-item:nth-child(3) {
  animation-delay: 1.1s;
}
.msgbox-chat-slider-card-item:nth-child(4) {
  animation-delay: 1.3s;
}
.msgbox-chat-slider-card-item:last-child {
  margin-bottom: 0;
}
.msgbox-chat-slider-card-item-icon {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.msgbox-chat-card2 {
  position: absolute;
  width: 303px;
  height: 178px;
  opacity: 0;
  animation: slideUpFadeIn .6s forwards;
  animation-delay: 1s;
  z-index: 11;
}
.msgbox-chat-card2-bg {
  position: absolute;
  width: 100%;
  height: 100%;
}
.msgbox-chat-card2-content {
  position: relative;
  height: 100px;
  display: flex;
  padding: 0 18px;
  align-items: center;
}
.msgbox-chat-card2-content-icon {
  width: 78px;
  height: 78px;
  margin-right: 10px;
  opacity: 0;
  animation: scaleUp 1s forwards;
  animation-delay: 1.2s;
}
.msgbox-chat-card2-content-text {
  color: #101010;
  font-size: 18px;
  display: flex;
  flex-direction: column;
}
.msgbox-chat-card2-content-title {
  opacity: 0;
  animation: fadeSlideRight 1s forwards;
  animation-delay: 1.4s;
}
.msgbox-chat-card2-content-desc {
  font-size: 15px;
  margin-top: 7px;
  opacity: 0;
  animation: fadeSlideRight 1s forwards;
  animation-delay: 1.5s;
}
.msgbox-chat-card2-icons {
  position: relative;
  display: flex;
  height: 58px;
  margin-top: 20px;
  align-items: center;
  justify-content: space-between;
  padding: 0 30px;
}
.icon-item {
  width: 28px;
  height: 28px;
  border-radius: 3px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  animation: bounce-in 1s forwards;
}
.icon-item img {
  width: 100%;
  height: auto;
}
.icon-item:nth-child(1) {
  animation-delay: 1.5s;
}
.icon-item:nth-child(2) {
  animation-delay: 1.7s;
}
.icon-item:nth-child(3) {
  animation-delay: 1.9s;
}
.icon-item:nth-child(4) {
  animation-delay: 2.1s;
}
.icon-item:nth-child(5) {
  animation-delay: 2.3s;
}
.icon-item:nth-child(6) {
  animation-delay: 2.5s;
}

.banner-mark-1 {
  width: 58vw; right: 0;
}
.banner-mark-2 {
  width: 29vw; left: 0;
}
/* 手机设备适配 (480px以下) */
@media (max-width: 480px) {
  .product-banner-content {
    padding: 100px 10px 0;
    flex-direction: column;
  }
  
  .product-banner-content-right {
    height: 284px;
    margin-left: 0px;
  }

  .msgbox-chat-card {
    margin-left: 30px;
    margin-top: -68px;
    transform: scale(.45) !important;
  }
  .msgbox-chat-card2 {
    transform: scale(.5) !important;
  }
  .banner-mark-1 {
    width: 120vw;
    right: 0;
    top: 375px;
}
  }
  .banner-mark-2 {
    width: 73vw;
    left: 0;
  }
}