.b1-wrapper {
  height: 550px;
  padding-top: 145px;
  background-image: url('../img/product-data/banner.png');
  background-position: center;
  background-size: cover;
}
.b1-wrapper h2 {
  font-size: 40px;
  font-weight: 500;
  letter-spacing: 11px;
  margin-bottom: 21px;
}
.b1-wrapper p {
  width: 634px;
  font-size: 22px;
  margin-bottom: 46px;
}
.b1-wrapper button {
  width: 165px;
  height: 54px;
  background: #3c2bd7;
  border-radius: 6px;
  border: 1px solid rgba(222, 218, 255, 0.8);
  font-size: 22px;
  color: #fff;
  cursor: pointer;
}

.b2-wrapper {
  padding-top: 153px;
  height: 800px;
}
.b2-wrapper .item-groups {
  display: flex;
  justify-content: space-between;
  position: absolute;
  left: 0;
  right: 0;
  top: -205px;
}
.b2-wrapper .item-groups .item {
  font-size: 20px;
  font-weight: 500;
}
.b2-wrapper .item-groups .item .item-display {
  width: 280px;
  height: 104px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(180deg, #f3f5f8 0%, #fdfefe 100%);
  box-shadow: 10px 10px 20px 0px rgba(0, 18, 88, 0.08),
    -10px -10px 20px 0px rgba(255, 255, 255, 0.7);
  border-radius: 6px;
  border: 3px solid #ffffff;
}

.b2-wrapper .item-groups .item-display img {
  width: 50px;
  height: 50px;
  margin-right: 23px;
}

.b2-wrapper .item-groups .item .item-hover {
  width: 280px;
  height: 104px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: #1b54fc;
  box-shadow: 10px 10px 20px 0px rgba(0,18,88,0.0800), -10px -10px 20px 0px rgba(255,255,255,0.7000);
  border-radius: 6px;
  color: #fff;
  opacity: 0;
  display: none;
  position: relative;
}
.b2-wrapper .item-groups .item .item-hover img{
  position: absolute;
  left: 22px;
  bottom: 0px;
  width: auto;
  height: 70px;
  z-index: 10;
}
.b2-wrapper .item-groups .item:hover .item-display{
  opacity: 0;
  display: none;
}
.b2-wrapper .item-groups .item:hover .item-hover {
  opacity: 1;
  display: flex;
}
.b2-wrapper .item-groups .item-hover span{
  position: relative;
  z-index: 11;
}


.b2-wrapper .left-part {
  width: 545px;
}
.b2-wrapper h2 {
  font-size: 40px;
  font-weight: 500;
  letter-spacing: 3px;
  margin-bottom: 64px;
}
.b2-wrapper .left-part > p {
  font-size: 18px;
  margin-bottom: 40px;
}

.b2-wrapper .tabs {
  padding-left: 14px;
}
.b2-wrapper .tab {
  padding: 21px 20px 18px 0;
  width: 506px;
  height: 128px;
  transition: background 0.15s, box-shadow 0.15s, border-radius 0.15s,
    padding 0.15s, color 0.15s;
}
.b2-wrapper .tab.active {
  border: 3px solid #fff;
  padding-left: 20px;
  box-shadow: 10px 10px 20px 0px rgba(0, 18, 88, 0.08),
    -10px -10px 20px 0px rgba(255, 255, 255, 0.7);
  background: linear-gradient(180deg, #f3f5f8 0%, #fdfefe 100%);
  border-radius: 10px;
}
.b2-wrapper .tab h4 {
  font-size: 22px;
  color: #15204b;
  display: inline-block;
  font-weight: 500;
  position: relative;
}
.b2-wrapper .tab .text {
  color: #5c637c;
  margin-top: 9px;
}

.b2-wrapper .slider-bg {
  width: 2px;
  height: 360px;
  background: #e8ecf4;
  position: absolute;
  top: 12px;
  left: 0;
}
.b2-wrapper .slider-bg .slider-line {
  position: absolute;
  top: 0;
  /* bottom: 0; */
  height: 110px;
  width: 2px;
  background: #1b54fc;
}
.b2-wrapper .right-part {
  position: relative;
  flex: 1;
  margin-top: 42px;
}

.b2-wrapper .right-part img:nth-child(1) {
  position: absolute;
  left: 0px;
}
.b2-wrapper .right-part img:nth-child(2) {
  position: absolute;
  left: 0px;
}
.b2-wrapper .right-part img:nth-child(3) {
  position: absolute;
  left: 0px;
}

.b3-wrapper {
  height: 800px;
  background: #f5f8fd;
  padding-top: 115px;
}
.b3-wrapper h2 {
  letter-spacing: 3px;
  font-size: 40px;
  font-weight: 500;
}
.b3-wrapper .desc {
  font-size: 18px;
  margin-top: 14px;
  margin-bottom: 30px;
}
.b3-wrapper .left-part {
  flex: 1;
}
.b3-wrapper .left-part img:nth-child(1) {
  position: absolute;
  left: -22px;
}
.b3-wrapper .left-part img:nth-child(2) {
  position: absolute;
  left: -22px;
}
.b3-wrapper .left-part img:nth-child(3) {
  position: absolute;
  left: -22px;
}
.b3-wrapper .right-part {
  width: 506px;
}

.b3-wrapper .tabs {
  padding-left: 20px;
}

.b3-wrapper .tab {
  padding: 21px 20px 18px 0;
  width: 506px;
  height: 128px;
  transition: background 0.15s, box-shadow 0.15s, border-radius 0.15s,
    padding 0.15s, color 0.15s;
}
.b3-wrapper .tab.active {
  border: 3px solid #fff;
  padding-left: 20px;
  box-shadow: 10px 10px 20px 0px rgba(0, 18, 88, 0.08),
    -10px -10px 20px 0px rgba(255, 255, 255, 0.7);
  background: linear-gradient(180deg, #f3f5f8 0%, #fdfefe 100%);
  border-radius: 10px;
}
.b3-wrapper .tab h4 {
  font-size: 22px;
  color: #15204b;
  display: inline-block;
  font-weight: 500;
  position: relative;
}
.b3-wrapper .tab .text {
  font-size: 16px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #5c637c;
  line-height: 24px;
  margin-top: 9px;
}

.b3-wrapper .slider-bg {
  width: 2px;
  height: 320px;
  background: #e8ecf4;
  position: absolute;
  top: 12px;
  left: 0;
}
.b3-wrapper .slider-bg .slider-line {
  position: absolute;
  top: 0;
  /* bottom: 0; */
  height: 110px;
  width: 2px;
  background: #1b54fc;
}

.b4-wrapper {
  height: 800px;
  padding-top: 97px;
}
.b4-wrapper h2 {
  letter-spacing: 3px;
  font-size: 40px;
  font-weight: 500;
}
.b4-wrapper .desc {
  font-size: 18px;
  color: #5c637c;
  margin-top: 14px;
  margin-bottom: 64px;
}

.b4-wrapper .left-part {
  width: 560px;
}
.b4-wrapper .right-part {
  flex: 1;
}

.b4-wrapper .right-part .box1 {
  /* width: 750px;
    height: 450px; */
  position: absolute;
  top: -61px;
  left: 22px;
}
/* .b4-wrapper .right-part .box1 img{
    width: auto;
  } */

.b4-wrapper .right-part .box2 {
  /* width: 750px; */
  position: absolute;
  top: -61px;
  left: 22px;
}
/* .b4-wrapper .right-part .box2 img{
    width: 628px;
  } */

.b4-wrapper .tabs {
  padding-left: 14px;
}
.b4-wrapper .tab {
  padding: 21px 20px 18px 0;
  width: 544px;
  transition: background 0.15s, box-shadow 0.15s, border-radius 0.15s,
    padding 0.15s, color 0.15s;
}
.b4-wrapper .tab.active {
  border: 3px solid #fff;
  padding-left: 20px;
  box-shadow: 10px 10px 20px 0px rgba(0, 18, 88, 0.08),
    -10px -10px 20px 0px rgba(255, 255, 255, 0.7);
  background: linear-gradient(180deg, #f3f5f8 0%, #fdfefe 100%);
  border-radius: 10px;
}
.b4-wrapper .tab h4 {
  font-size: 22px;
  color: #15204b;
  display: inline-block;
  font-weight: 500;
  position: relative;
}
.b4-wrapper .tab .text {
  color: #5c637c;
  margin-top: 9px;
}
.b4-wrapper .slider-bg {
  width: 2px;
  height: 320px;
  background: #e8ecf4;
  position: absolute;
  left: 0;
  top: 20px;
}
.b4-wrapper .slider-bg .slider-line {
  position: absolute;
  top: 0;
  height: 100px;
  width: 2px;
  background: #1b54fc;
}

.b5-wrapper {
  background-color: #f5f8fd;
  height: 800px;
  padding-top: 90px;
}
.b5-wrapper h2 {
  letter-spacing: 3px;
  font-size: 40px;
  font-weight: 500;
}
.b5-wrapper .desc {
  font-size: 18px;
  color: #5c637c;
  margin-top: 14px;
  margin-bottom: 34px;
}

.b5-wrapper .tabs {
  padding-left: 20px;
  margin-top: 27px;
}
.b5-wrapper .tab {
  padding: 21px 20px 18px 0px;
  width: 506px;
  transition: background 0.15s, box-shadow 0.15s, border-radius 0.15s,
    padding 0.15s, color 0.15s;
}
.b5-wrapper .tab.active {
  border: 3px solid #fff;
  padding-left: 20px;
  box-shadow: 10px 10px 20px 0px rgba(0, 18, 88, 0.08),
    -10px -10px 20px 0px rgba(255, 255, 255, 0.7);
  background: linear-gradient(180deg, #f3f5f8 0%, #fdfefe 100%);
  border-radius: 10px;
}
.b5-wrapper .tab h4 {
  font-size: 22px;
  color: #15204b;
  display: inline-block;
  font-weight: 500;
  position: relative;
}
.b5-wrapper .tab .text {
  color: #5c637c;
  margin-top: 9px;
}

.b5-wrapper .slider-bg {
  width: 2px;
  height: 320px;
  background: #e8ecf4;
  position: absolute;
  left: 0;
  top: 10px;
}
.b5-wrapper .slider-bg .slider-line {
  position: absolute;
  top: 0;
  height: 90px;
  width: 2px;
  background: #1b54fc;
}

.b5-wrapper .left-part {
  flex: 1;
}
.b5-wrapper .left-part img:nth-child(1) {
  /* width: 714px;
    height: 429px;
    position: absolute;
    top: -40px;
    left: -40px; */
    position: absolute;
    top: -20px;
    left: -40px;
}
.b5-wrapper .left-part img:nth-child(2) {
  /* height: 388px;
    position: absolute;
    top: -40px;
    left: -40px; */
    position: absolute;
    top: -20px;
    left: -40px;
}
.b5-wrapper .right-part {
  width: 526px;
}

.b6-wrapper {
  height: 330px;
  background: linear-gradient(227deg, #3669ff 0%, #2457ed 100%);
}

.b6-wrapper .b6-left-icon {
  position: absolute;
  width: 380px;
  height: 266px;
  top: -22px;
  left: -265px;
}
.b6-wrapper .b6-right-icon {
  position: absolute;
  right: -250px;
  top: 40px;
  width: 338px;
  height: 204px;
}
.b6-wrapper h2 {
  font-size: 40px;
  font-weight: 500;
  margin-top: 87px;
  letter-spacing: 6px;
  text-align: center;
  color: #fff;
  margin-bottom: 46px;
}
.b6-wrapper button {
  width: 152px;
  height: 53px;
  display: block;
  background: #ffffff;
  border-radius: 6px;
  margin: 0 auto;
  text-align: center;
  color: #1b54fc;
  font-size: 22px;
  font-weight: 500;
  cursor: pointer;
}