.bg4 .dot-wrapper {
  width: 80%;
  height: 60%;
  top: 16%;
  left: 5%;
  position: absolute;
  overflow: hidden;
  opacity: 0;
}
.bg4 .dot {
  background-color: #223C5A;
  width: 10px;
  height: 10px;
  border-radius: 100%;
  opacity: 0.3;
  position: absolute;
}
@keyframes opt {
  0% {
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}
.bg4 .indexBgTitleActive {
  animation: indexBgTitleActive 0.3s;
  -webkit-animation: indexBgTitleActive 0.3s;
  -moz-animation: indexBgTitleActive 0.3s;
  -o-animation: indexBgTitleActive 0.3s;
}
@keyframes indexBgTitleActive {
  0% {
    top: 110%;
  }
  100% {
    top: 20%;
  }
}
.bg4 .bg4_title {
  position: absolute;
  top: 20%;
  left: 10%;
  height: 10%;
  width: 20%;
  display: none;
}
.bg4 .bg4_title .white_title div {
  font-size: 36px;
  color: white;
  margin-bottom: 10px;
  position: relative;
  z-index: 10;
  transform: translateZ(20px);
  -webkit-transform: translateZ(20px);
  -moz-transform: translateZ(20px);
  -ms-transform: translateZ(20px);
  -o-transform: translateZ(20px);
}
.bg4 .bg4_title .white_title span {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
}
.bg4 .bg4_title .black_title {
  color: #354063;
  font-size: 30px;
  position: absolute;
  top: -10%;
  left: -10%;
}
.bg4 .bg3_content {
  width: 100%;
  height: 100%;
  position: relative;
  opacity: 0;
  transition: all 0.3s;
}
.bg4 .bg3_content .bg4_content_c {
  position: relative;
  height: 600px;
  width: 80%;
  top: 20%;
  display: flex;
  justify-content: space-around;
}
.bg4 .bg3_content .bg4_content_c .bg_content_box_left {
  height: 400px;
  width: 400px;
  position: relative;
  top: 50%;
  left: 20%;
  transform: translate(-50%, -50%);
}
.bg4 .bg3_content .bg4_content_c .bg_content_box_left .bg_content_box_left_ganhzi {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: absolute;
  left: -10%;
  top: 10%;
  color: white;
}
.bg4 .bg3_content .bg4_content_c .bg_content_box_left .bg_content_box_left_ganhzi img {
  height: 50%;
  width: 50%;
  margin-bottom: 10px;
}
.bg4 .bg3_content .bg4_content_c .bg_content_box_left .bg_content_box_left_kongzhi {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: absolute;
  right: -10%;
  top: 40%;
  color: white;
}
.bg4 .bg3_content .bg4_content_c .bg_content_box_left .bg_content_box_left_kongzhi img {
  height: 50%;
  width: 50%;
  margin-bottom: 10px;
}
.bg4 .bg3_content .bg4_content_c .bg_content_box_left .bg_content_box_left_zhihui {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: absolute;
  left: 20%;
  bottom: -6%;
  color: white;
}
.bg4 .bg3_content .bg4_content_c .bg_content_box_left .bg_content_box_left_zhihui img {
  height: 50%;
  width: 50%;
  margin-bottom: 10px;
}
.bg4 .bg3_content .bg4_content_c .bg_content_box_left .bigImg {
  position: absolute;
  top: 9%;
  left: 9%;
  height: 330px;
  width: 330px;
  animation: qiurotate 10s linear infinite;
}
.bg4 .bg3_content .bg4_content_c .bg_content_box_left .smallImg {
  position: absolute;
  height: 400px;
  width: 400px;
  animation: qiurotatetwo 10s linear infinite;
}
@keyframes qiurotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
@keyframes qiurotatetwo {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(-360deg);
  }
}
.bg4 .bg3_content .bg4_content_c .bg_content_box_right {

  height: 150px;
  position: relative;
  top: 50%;
  transform: translateY(-50%);

}
/*.bg4 .bg3_content .bg4_content_c .bg_content_box_right .silder-box {*/
/*  width: 300px !important;*/
/*}*/
.bg4 .bg3_content .bg4_content_c .bg_content_box_right .silder-box .silder {
  width: 300px !important;
}
.bg4 .bg3_content .bg4_content_c .bg_content_box_right .silder-box .silder ul {
  height: 150px;
  display: flex;
  width: 300px !important;
  overflow: hidden;
}
.bg4 .bg3_content .bg4_content_c .bg_content_box_right .silder-box .silder ul li {
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 150px;
}
.bg4 .bg3_content .bg4_content_c .bg_content_box_right .silder-box .silder ul li img {
  height: 45px;
  width: 80px;
  margin-bottom: 20px;
  margin-top: 20px;
}
.bg4 .bg3_content .bg4_content_c .bg_content_box_right .silder-box .silder ul li div {
  color: white;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  width: 120px;
  text-align: center;
}
.bg4 .bg3_content .bg4_content_c .bg_content_box_right .btl {
  cursor: pointer;
  position: absolute;
  height: 20px;
  width: 20px;
  background: url(../img/icon_l.png) no-repeat;
  background-size: 10px 20px;
  left: -20%;
  top: 42%;
}
.bg4 .bg3_content .bg4_content_c .bg_content_box_right .btr {
  cursor: pointer;
  position: absolute;
  height: 20px;
  width: 20px;
  background: url(../img/icon_r.png) no-repeat;
  background-size: 10px 20px;
  right: -20%;
  top: 42%;
}
.bg4 .sectionBgActive3 {
  opacity: 1;
}
.bg4 .bg4_buttonBox {
  width: 132px;
  height: 40px;
  z-index: 1;
  position: absolute;
  top: 88%;
  right: 15%;
  --background: linear-gradient(270deg, #384bbb, #3275d7);
  --text: #fff;
  --font-size: 18px;
  --duration: 0.5s;
  --move-hover: -4px;
  --shadow: 0 2px 8px -1px rgba(39, 94, 254, 0.32);
  --shadow-hover: 0 4px 20px -2px rgba(39, 94, 254, 0.5);
  padding: 10px 20px;
  font-family: "Roboto";
  line-height: var(--font-size);
  border-radius: 24px;
  display: block;
  outline: none;
  border: none;
  cursor: pointer;
  text-decoration: none;
  font-size: var(--font-size);
  letter-spacing: 0.5px;
  background: var(--background);
  color: var(--text);
  box-shadow: var(--shadow);
  transform: translateY(var(--y));
  transition: transform var(--duration) ease, box-shadow var(--duration) ease;
  -webkit-tap-highlight-color: transparent;
  -webkit-appearance: none;
}
.bg4 .bg4_buttonBox div {
  display: flex;
  justify-content: center;
}
.bg4 .bg4_buttonBox div span {
  display: block;
  backface-visibility: hidden;
  font-style: normal;
}
.bg4 .bg4_buttonBox div span:nth-child(1) {
  --d: 0.05s;
}
.bg4 .bg4_buttonBox div span:nth-child(2) {
  --d: 0.1s;
}
.bg4 .bg4_buttonBox div span:nth-child(3) {
  --d: 0.15s;
}
.bg4 .bg4_buttonBox div span:nth-child(4) {
  --d: 0.2s;
}
.bg4 .bg4_buttonBox:hover {
  --move: -4px;
  --shadow-active: 0 3px 1px rgba(0, 0, 0, 0.2);
}
.bg4 .bg4_buttonBox:hover div span {
  animation: movebg5buttonone var(--duration) linear var(--d);
}
@keyframes movebg5buttonone {
  40% {
    transform: translateY(var(--move));
    text-shadow: var(--shadow-active);
  }
  60% {
    transform: translateY(var(--move));
    -webkit-transform: translateY(var(--move));
    -moz-transform: translateY(var(--move));
    -ms-transform: translateY(var(--move));
    -o-transform: translateY(var(--move));
  }
}
@media screen and (min-width: 1300px) {
  .bg4 .bg4_content .bg4_content_c .bg_content_box_left {
    height: 483px ;
    width: 483px ;
    top: 60%;
    left: 300px;
    margin-right: 200px;
  }
  .bg4 .bg4_content .bg4_content_c .bg_content_box_left .bigImg {
    height: 400px ;
    width: 400px ;
  }
  .bg4 .bg4_content .bg4_content_c .bg_content_box_left .smallImg {
    height: 483px ;
    width: 483px ;
  }
  .bg4 .bg4_content .bg4_content_c .bg_content_box_left .bg_content_box_left_ganhzi img {
    height: 120px;
    width: 120px;
  }
  .bg4 .bg4_content .bg4_content_c .bg_content_box_left .bg_content_box_left_zhihui img {
    height: 120px;
    width: 120px;
  }
  .bg4 .bg4_content .bg4_content_c .bg_content_box_left .bg_content_box_left_kongzhi img {
    height: 120px;
    width: 120px;
  }
  .bg4_contentWpub {
    font-size: 20px;
  }
  .bg4 .bg4_content .bg4_content_c .bg_content_box_right .silder-box .silder ul li {
    height: 200px !important;
    margin-right: 80px !important;
  }
  .bg4 .bg4_content .bg4_content_c .bg_content_box_right .silder-box .silder ul li div {
    font-size: 14px !important;
  }
  .bg4 .bg4_content .bg4_content_c .bg_content_box_right .silder-box .silder ul li img {
    height: 120px;
    width: 120px;
  }
  .bg4 .bg4_content .bg4_content_c .bg_content_box_right .silder-box .silder {
    height: 200px !important;
    width: 400px !important;
  }
}
@media screen and (max-height: 650px) {
  .bg4 .bg4_buttonBox {
    width: 100px;
    height: 30px;
    font-size: 16px;
    line-height:12px;
  }
  .bg4 .bg3_content .bg4_content_c {
    top: 10%;
  }

  .bg4 .bg3_content .bg4_content_c .bg_content_box_left {
    height: 300px;
    width: 300px;
  }
  .bg4 .bg3_content .bg4_content_c .bg_content_box_left .bg_content_box_left-c {
    height: 300px;
    width: 300px;
  }

  .bg4 .bg3_content .bg4_content_c .bg_content_box_left .smallImg {
    height: 300px;
    width: 300px;
  }

  .bg4 .bg3_content .bg4_content_c .bg_content_box_left .bigImg {
    height: 200px;
    width: 200px;
    top: 50px;
    left: 50px;
  }
  .bg4 .bg3_content .bg4_content_c .bg_content_box_left .bg_content_box_left_ganhzi {
    left: -20%;
  }
  .bg4 .bg3_content .bg4_content_c .bg_content_box_left .bg_content_box_left_kongzhi {
    right: -20%;
  }

  .bg4 .bg3_content .bg4_content_c .bg_content_box_left .bg_content_box_left_zhihui {
    bottom: -14%;
  }
}