.b1-wrapper {
  height: 550px;
  padding-top: 145px;
  background-image: url('../img/product-live/b1_bg.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 {
  font-size: 22px;
  margin-bottom: 76px;
}
.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: 160px;
  height: 800px;
}
.b2-wrapper .item-groups {
  display: flex;
  justify-content: space-between;
  position: absolute;
  left: 0;
  right: 0;
  top: -212px;

}
.b2-wrapper .item-groups .item {
  width: 280px;
  height: 104px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 22px;
  font-weight: 500;
  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 img {
  width: 50px;
  height: 50px;
  margin-right: 23px;
}
.b2-wrapper .left-part {
  width: 545px;
}
.b2-wrapper h2 {
  font-size: 40px;
  font-weight: 500;
  letter-spacing: 3px;
  margin-bottom: 14px;
}
.b2-wrapper .left-part > p {
  font-size: 18px;
  margin-bottom: 59px;
}

.b2-wrapper .tabs {
  padding-left: 14px;
}
.b2-wrapper .tab{
  padding: 21px 0 18px;
  cursor: pointer;
  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: 220px;
  background: #E8ECF4;
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
}
.b2-wrapper .slider-bg .slider-line {
  position: absolute;
  top: 0;
  height: 100px;
  width: 2px;
  background: #1B54FC;
}
.b2-wrapper .right-part {
  position: relative;
  flex: 1;
}
.b2-wrapper .right-part img:nth-child(1) {
  position: absolute;
  left: 40px;
  top: 45px;
}
.b2-wrapper .right-part img:nth-child(2) {
  position: absolute;
  left: 40px;
  top: -20px;
}

.b3-wrapper {
  background-color: #2B2C43;
  height: 800px;
  padding-top: 115px;
}
.b3-wrapper h2 {
  letter-spacing: 3px;
  font-size: 40px;
  font-weight: 500;
  color: #fff;
}
.b3-wrapper .desc {
  font-size: 18px;
  color: #BAB9D3;
  margin-top: 14px;
  margin-bottom: 60px;
}
.b3-wrapper .left-part {
  flex: 1;
}
.b3-wrapper .left-part img:nth-child(1) {
  position: absolute;
  top: -16px;
  left: -40px;
  width: 693px;
  height: 362px;
}
.b3-wrapper .right-part {
  width: 526px;
}

.b3-wrapper .tabs {
  padding-left: 20px;
}
.b3-wrapper .tab{
  padding: 21px 0 18px;
  width: 506px;
  height: 150px;
  cursor: pointer;
  transition: background 0.15s,box-shadow 0.15s,border-radius 0.15s,padding 0.15s, color 0.15s;
}
.b3-wrapper .tab.active{
  padding-left: 20px;
  background: #2B2C43;
  box-shadow: 10px 15px 25px 0px rgba(31, 30, 58, 0.7), -15px -15px 25px 0px #2E3049;
  border-radius: 6px;
}
.b3-wrapper .tab h4 {
  font-size: 22px;
  color: #fff;
  display: inline-block;
  font-weight: 500;
  position: relative;
}
.b3-wrapper .tab .text {
  color: #BAB9D3;
  margin-top: 9px;
} 

.b3-wrapper .slider-bg {
  width: 2px;
  height: 264px;
  background: #4B4C6D;
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
}
.b3-wrapper .slider-bg .slider-line {
  position: absolute;
  top: 0;
  height: 110px;
  width: 2px;
  background: #1BF5FC;
}

.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: 60px;
}
.b4-wrapper .left-part {
  flex: 1;
}
.b4-wrapper .right-part {
  width: 635px;
  height: 420px;
  /* background: #FFFFFF;
  box-shadow: 0px 10px 50px 0px rgba(21, 32, 75, 0.1);
  border-radius: 20px; */
  position: relative;
  z-index: 2;
}

.b4-wrapper .right-part .b4-1-img {
  width: 560px;
  position: absolute;
  left: 40px;
}
.b4-wrapper .right-part .b4-2-img {
  width: 500px;
  position: absolute;
  left: 100px;
  top: 20px;
}
.b4-wrapper .right-part .b4-3-img {
  width: 440px;
  position: absolute;
  left: 120px;
}

.b4-wrapper .tabs {
  padding-left: 20px;
}
.b4-wrapper .tab{
  cursor: pointer;
  padding: 21px 0 18px;
  width: 506px;
  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;
  display: inline-block;
  font-weight: 500;
  position: relative;
}
.b4-wrapper .tab .text {
  margin-top: 9px;
  color: #5C637C;
} 
.b4-wrapper .slider-bg {
  width: 2px;
  height: 334px;
  background: #E8ECF4;
  position: absolute;
  left: 0;
  top: 10px;
}
.b4-wrapper .slider-bg .slider-line {
  position: absolute;
  top: 0;
  height: 88px;
  width: 2px;
  background: #1B54FC;
}

.b4-wrapper .steps {
  display: flex;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 30px;
}
.b4-wrapper .steps .step {
  width: 42px;
  height: 3px;
  background: #E0E2E7;
  margin: 0 6px;
  transition: all 0.15s;
}

.b4-wrapper .steps .step .step-inner {
  width: 0;
  transition: none 0s;
  background: #1B54FC;
  display: block;
  height: 3px;
}
.b4-wrapper .steps .step.active .step-inner{
  width: 100%;
  transition: width 5000ms linear 0s;
}
.b4-wrapper .right-part .left,.b4-wrapper .right-part .right {
  position: absolute;
  width: 32px;
  height: 32px;
  top: 200px;
}
.b4-wrapper .right-part .left {
  left: 5px;
}
.b4-wrapper .right-part .right {
  transform: rotate(180deg);
  right: 5px;
}

.b5-wrapper {
  background-color: #F5F8FD;
  height: 850px;
  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: 43px;
}

.b5-wrapper .tabs {
  padding-left: 20px;
}
.b5-wrapper .tab{
  cursor: pointer;
  padding: 21px 0 18px;
  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;
  padding-right: 10px;
  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: 370px;
  background: #E8ECF4;
  position: absolute;
  left: 0;
  top: 10px;
}
.b5-wrapper .slider-bg .slider-line {
  position: absolute;
  top: 0;
  height: 120px;
  width: 2px;
  background: #1B54FC;
}

.b5-wrapper .left-part {
  flex: 1;
  height: 500px;
}
.b5-wrapper .left-part > img {
  width: auto;
  position: absolute;
  left: -24px;
}
.b5-wrapper .left-part .b5_1-img, .b5-wrapper .left-part .b5_3-img {
  top: -10px;
}
.b5-wrapper .left-part .b5_2-img {
  top: 20px;
}

.b5-3-banners {
  position: relative;
  left: -10px;
}

.b5-3-banners .left,.b5-3-banners .right {
  position: absolute;
  width: 32px;
  height: 32px;
  top: 220px;
}
.b5-3-banners .left {
  left: 0;
}
.b5-3-banners .right {
  transform: rotate(180deg);
  right: 0;
}

.b5-wrapper .left-part .b5-3-banners .b5-3-wrap1 img{
  height: 471px;
}
.b5-wrapper .left-part .b5-3-banners .b5-3-wrap2 img{
  height: 536px;
  position: relative;
  left: 30px;
}
.b5-wrapper .left-part .b5-3-banners .b5-3-wrap3 img{
  height: 427px;
}
.b5-wrapper .left-part .b5-3-banners .b5-3-wrap4 img{
  height: 416px;
}
.b5-wrapper .left-part .b5-3-banners {
  min-height: 400px;
  min-width: 400px;
}

/* .b5-wrapper .left-part .b5-3-banners .steps {
  display: flex;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 520px;
}
.b5-wrapper .left-part .b5-3-banners .steps .step {
  width: 42px;
  height: 3px;
  background: #E0E2E7;
  margin: 0 6px;
  transition: all 0.15s;
}

.b5-wrapper .left-part .b5-3-banners .steps .step .step-inner {
  width: 0;
  transition: none 0s;
  background: #1B54FC;
  display: block;
  height: 3px;
}
.b5-wrapper .left-part .b5-3-banners .steps .step.active .step-inner{
  width: 100%;
  transition: width 5000ms linear 0s;
} */


.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;
}


.b7-wrapper {
  height: 800px;
  padding-top: 97px;
}
.b7-wrapper h2 {
  letter-spacing: 3px;
  font-size: 40px;
  font-weight: 500;
}
.b7-wrapper .desc {
  font-size: 18px;
  color: #5C637C;
  margin-top: 14px;
  margin-bottom: 60px;
}
.b7-wrapper .circle-icon {
  position: absolute;
  width: 760px;
  height: 599px;
  top: -93px;
  right: -345px;
}
.b7-wrapper .left-part {
  flex: 1;
}
.b7-wrapper .right-part {
  width: 715px;
}

.b7-wrapper .right-part img {
  position: absolute;
}
.b7-wrapper .right-part img.img-1 {
  top: -10px;
}
.b7-wrapper .right-part img.img-3 {
  top: -60px;
}
.b7-wrapper .tabs {
  padding-left: 20px;
}

.b7-wrapper .tab{
  cursor: pointer;
  padding: 21px 0 18px;
  width: 506px;
  transition: background 0.15s,box-shadow 0.15s,border-radius 0.15s,padding 0.15s, color 0.15s;
}
.b7-wrapper .tab.active{
  border: 3px solid #fff;
  padding-left: 20px;
  padding-right: 10px;
  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;
}
.b7-wrapper .tab h4 {
  font-size: 22px;
  display: inline-block;
  font-weight: 500;
  position: relative;
}
.b7-wrapper .tab .text {
  margin-top: 9px;
  color: #5C637C;
} 
.b7-wrapper .slider-bg {
  width: 2px;
  height: 400px;
  background: #E8ECF4;
  position: absolute;
  left: 0;
  top: 20px;
}
.b7-wrapper .slider-bg .slider-line {
  position: absolute;
  top: 0;
  height: 95px;
  width: 2px;
  background: #1B54FC;
}