.banner {
  min-width: 880px;
  max-width: 1920px;
  background-position: center top;
  background-repeat: no-repeat;
  background-size: 99.9943vw 38.8542vw;
  height: 38.854vw;
  max-height: 746px;
}

.banner::after {
  position: absolute;
  bottom: -1.8229vw;
  left: 0;
  display: block;
  width: 100%;
  height: 9.3229vw;
  max-height: 179px;
  background: url('https://cloudpnrcdn.oss-cn-shanghai.aliyuncs.com/hfwebsite/new-public/images/doujin/banner-mask.png') no-repeat center;
  content: '';
  background-image: linear-gradient(180deg, #ffffff00 7%, #ffffffa8 37%, #FFFFFF 76%);
  filter: blur(0);
}

.banner-section {
  padding: 0;
}

.banner-introduce {
  margin-top: 10.625vw;
  margin-left: 0.2604vw;
}

.banner-title .title-img {
  width: 9.4271vw;
  max-width: 181px;
  margin: 0;
  padding: 13px 3px;
}

.banner-desc {
  margin-top: 22px;
  font-size: 1.146vw;
  font-weight: 400;
  line-height: 43px;
  letter-spacing: 4px;
}

.main-section-1 {
  width: 1160px;
  margin: 0 auto;
}

.main-section-1 .section-title {
  color: #333333;
  font-size: 36px;
  font-weight: 600;
  margin-top: 35px;
  margin-bottom: 64px;
  text-align: center;
}

.problem-subtitle {
  color: #333333;
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 32px;
}

.problem-list {
  display: flex;
  gap: 23px;
}

.problem-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 391px;
  height: 212px;
  border-radius: 8px;
  background: linear-gradient(180deg, #EBF9FD 34.07%, #FFF 100.78%);
  box-shadow: 0 2px 16px 0 #1b518714;
}

.problem-icon {
  width: 80px;
  height: 80px;
}

.problem-item-title {
  color: #333333;
  text-align: center;
  font-size: 20px;
  font-weight: 600;
  margin-top: 9px;
}

.problem-item-desc {
  color: #333333;
  text-align: center;
  font-size: 14px;
  font-weight: 400;
  margin-top: 8px;
}

.problem-group {
  margin-bottom: 76px;
}

.main-section-2 {
  background-position: center top;
  background-repeat: no-repeat;
}

.main-section-2-inner {
  width: 1160px;
  margin: 0 auto;
  padding: 35px 0 76px;
}

.main-section-2-inner .section-title {
  color: #ffffff;
  font-size: 36px;
  font-weight: 600;
  text-align: center;
  margin: 120px 0 29px;
}

.money-flow {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.money-flow-guide {
  position: absolute;
  z-index: 0;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  pointer-events: none;
}

.guide-tl {
  left: 290px;
  top: 81px;
  width: 112px;
  height: 155px;
  background-image: url('https://cloudpnrcdn.oss-cn-shanghai.aliyuncs.com/hfwebsite/new-public/images/doujin/section2-item-guide-tl.png');
}

.guide-bl {
  left: 290px;
  bottom: 127px;
  width: 178px;
  height: 30px;
  background-image: url('https://cloudpnrcdn.oss-cn-shanghai.aliyuncs.com/hfwebsite/new-public/images/doujin/section2-item-guide-bl.png');
}

.guide-tr {
  right: 290px;
  top: 134px;
  width: 115px;
  height: 104px;
  background-image: url('https://cloudpnrcdn.oss-cn-shanghai.aliyuncs.com/hfwebsite/new-public/images/doujin/section2-item-guide-tr.png');
}

.guide-br {
  right: 290px;
  bottom: 53px;
  width: 195px;
  height: 65px;
  background-image: url('https://cloudpnrcdn.oss-cn-shanghai.aliyuncs.com/hfwebsite/new-public/images/doujin/section2-item-guide-br.png');
}

.money-flow-side {
  display: flex;
  flex-direction: column;
  gap: 23px;
}

.money-flow-card {
  box-sizing: border-box;
  width: 300px;
  height: 293px;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: top center;
  filter: drop-shadow(6px 8px 12.3px #3a86e30f);
}

.money-flow-card-left .money-flow-card-inner{
  padding: 0 35px 0 50px;
}

.money-flow-card-right {
  width: 300px;
}

.money-flow-card-right .money-flow-card-inner {
  padding: 0 60px 0 48px;
}

.money-flow-title {
  color: #333333;
  font-size: 22px;
  font-weight: 600;
  margin-top: 36px;
}

.money-flow-line {
  width: 35.7px;
  height: 5px;
  border-radius: 9px;
  background: linear-gradient(90deg, #3C88FB 0%, #CCB2F6 100%);
  margin: 9px 0 22px;
}

.money-flow-subtitle {
  color: #333333;
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 16px;
}

.money-flow-desc {
  color: #5f5f5f;
  font-size: 14px;
  font-weight: 400;
}

.money-flow-desc p:last-child {
  margin-bottom: 0;
}

.money-flow-subtitle + .money-flow-desc {
  margin-bottom: 20px;
}

.money-flow-subtitle + .money-flow-desc:last-child {
  margin-bottom: 0;
}

.money-flow-center {
  position: relative;
  top: -10px;
  z-index: 1;
  flex-shrink: 0;
}

.money-flow-center-img {
  width: 517px;
  height: 424px;
}

.main-section-3 {
  background-position: center top;
  background-repeat: no-repeat;
}

.main-section-3-inner {
  width: 1160px;
  margin: 0 auto;
  padding: 141px 0 143px;
}

.main-section-3-inner .section-title {
  color: #333333;
  font-size: 36px;
  font-weight: 600;
  text-align: center;
}

.section-subtitle {
  color: #666666;
  font-size: 16px;
  font-weight: 400;
  text-align: center;
  margin-top: 12px;
  margin-bottom: 40px;
}

.platform-visual {
  position: relative;
  width: 100%;
  text-align: center;
}

.platform-center-img {
  width: 1160px;
  height: auto;
  margin: 0 auto;
}

.platform-icon {
  position: absolute;
  width: 83px;
  height: 83px;
}

.platform-text {
  position: absolute;
  color: #333333;
  font-size: 20px;
  font-weight: 400;
  white-space: nowrap;
}

.icon-1 {
  left: 126px;
  top: 52%;
  transform: translateY(-50%);
}

.icon-2 {
  right: 120px;
  top: 52%;
  transform: translateY(-50%);
}

.icon-3 {
  left: 50%;
  bottom: 80px;
  transform: translateX(-50%);
}

.text-1 {
  top: 67%;
  left: 24px;
}

.text-2 {
  top: 67%;
  right: 28px;
}

.text-3 {
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
}

.main-section-4-inner {
  width: 1160px;
  margin: 0 auto;
  padding: 70px 0 90px;
}

.main-section-4-inner .section-title {
  color: #333333;
  font-size: 36px;
  font-weight: 600;
  text-align: center;
  margin-bottom: 40px;
}

.function-cards {
  display: flex;
  gap: 46px;
  justify-content: center;
}

.function-card {
  width: 554px;
  height: 396px;
  background-image: url('https://cloudpnrcdn.oss-cn-shanghai.aliyuncs.com/hfwebsite/new-public/images/doujin/section-4-item.png');
  background-position: center top;
  background-repeat: no-repeat;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 170px;
  box-sizing: border-box;
  box-shadow: 0 15px 20.7px 0 #D9E5ED;
}

.card-title {
  color: #333333;
  font-size: 22px;
  font-weight: 600;
  line-height: 24px;
  letter-spacing: 8px;
  text-align: center;
  margin-bottom: 20px;
}

.card-desc-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px 18px;
  width: 474px;
}

.card-desc-item {
  border-radius: 4px;
  border: 3px solid #FFF;
  opacity: 0.68;
  height: 57px;
  background-color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #333333;
  font-size: 16px;
  font-weight: 400;
  filter: drop-shadow(1px 4px 7.5px #3a86e31c) drop-shadow(0 -2px 4px #a2adcc54);
}

.card-desc-item:last-child {
  letter-spacing: 3px;
}

.main-section-5 {
  background-position: center top;
  background-repeat: no-repeat;
}

.main-section-5-inner {
  width: 1160px;
  margin: 0 auto;
  padding-top: 144px;
}

.main-section-5-inner .section-title {
  color: #333333;
  font-size: 36px;
  font-weight: 600;
  text-align: center;
}

.main-section-5-inner .section-desc {
  color: #333333;
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 5.76px;
  text-align: center;
  margin-top: 24px;
}

.main-section-5-inner .section-sub-title {
  color: #333333;
  font-size: 26px;
  font-weight: 500;
  letter-spacing: 3.12px;
  text-align: center;
  margin-top: 14px;
}

.section-5-img {
  width: 1160px;
  margin: 40px auto 0;
  display: block;
}

.main-section-6-inner {
  width: 1160px;
  margin: 0 auto;
  padding: 102px 0 55px;
}

.section-6-title {
  color: #333333;
  font-size: 26px;
  font-weight: 500;
  margin-bottom: 46px;  
  text-align: center;
}

.section-6-img {
  width: 1160px;
  margin: 0 auto;
  display: block;
}

.main-section-7 {
  background: #FAFBFF;
}

.main-section-7-inner {
  width: 1160px;
  margin: 0 auto;
  padding: 123px 0 147px;
}

.section-7-img {
  width: 1160px;
  margin: 0 auto;
  display: block;
}

@media (max-width: 1200px) {
  .main-section-1 {
    width: calc(100% - 128px);
    max-width: 1160px;
  }

  .main-section-1 .section-title {
    margin-top: 24px;
    margin-bottom: 44px;
    font-size: 32px;
  }

  .problem-subtitle {
    margin-bottom: 24px;
    font-size: 20px;
  }

  .problem-list {
    gap: 16px;
  }

  .problem-item {
    width: calc((100% - 46px) / 3);
    max-width: 391px;
    height: 188px;
  }

  .problem-icon {
    width: 64px;
    height: 64px;
  }

  .problem-item-title {
    margin-top: 7px;
    font-size: 18px;
  }

  .problem-item-desc {
    margin-top: 6px;
    font-size: 13px;
  }

  .problem-group {
    margin-bottom: 56px;
  }

  .main-section-2-inner {
    width: calc(100% - 128px);
    max-width: 1160px;
  }

  .main-section-2-inner .section-title {
    margin: 88px 0 24px;
    font-size: 32px;
  }

  .money-flow {
    justify-content: center;
    gap: 24px;
  }

  .money-flow-guide {
    display: none;
  }

  .money-flow-side {
    gap: 16px;
  }

  .money-flow-card {
    width: 280px;
    height: 272px;
  }

  .money-flow-card-right {
    width: 280px;
  }

  .money-flow-title {
    margin-top: 28px;
    font-size: 20px;
  }

  .money-flow-center-img {
    width: 420px;
    height: auto;
  }

  .main-section-3-inner {
    width: calc(100% - 128px);
    max-width: 1160px;
  }

  .main-section-3-inner .section-title {
    font-size: 32px;
  }

  .platform-center-img {
    width: 100%;
  }

  .platform-icon {
    width: 64px;
    height: 64px;
  }

  .icon-1 {
    left: 10.86%;
  }

  .icon-2 {
    right: 10.34%;
  }

  .icon-3 {
    bottom: 6.9%;
  }

  .platform-text {
    font-size: 18px;
  }

  .text-1 {
    top: 67%;
    left: 2.07%;
  }

  .text-2 {
    top: 67%;
    right: 2.41%;
  }

  .text-3 {
    bottom: 2.4%;
  }

  .main-section-4-inner {
    width: calc(100% - 128px);
    max-width: 1160px;
  }

  .main-section-4-inner .section-title {
    margin-bottom: 32px;
    font-size: 32px;
  }

  .function-cards {
    gap: 24px;
  }

  .function-card {
    width: calc((100% - 24px) / 2);
    max-width: 554px;
    height: 396px;
    padding-top: 160px;
  }

  .card-title {
    margin-bottom: 16px;
    letter-spacing: 6px;
    font-size: 20px;
  }

  .card-desc-list {
    width: calc(100% - 80px);
    max-width: 474px;
    gap: 12px 14px;
  }

  .card-desc-item {
    height: 50px;
    font-size: 14px;
  }

  .main-section-5-inner {
    width: calc(100% - 128px);
    max-width: 1160px;
  }

  .main-section-5-inner .section-title {
    font-size: 32px;
  }

  .main-section-5-inner .section-desc {
    margin-top: 18px;
    font-size: 14px;
    letter-spacing: 4px;
  }

  .main-section-5-inner .section-sub-title {
    margin-top: 12px;
    font-size: 22px;
    letter-spacing: 2.4px;
  }

  .section-5-img {
    width: 100%;
    max-width: 1160px;
    height: auto;
    margin-top: 32px;
  }

  .main-section-6-inner {
    width: calc(100% - 128px);
    max-width: 1160px;
    padding: 72px 0 44px;
  }

  .section-6-title {
    margin-bottom: 32px;
    font-size: 22px;
  }

  .section-6-img {
    width: 100%;
    max-width: 1160px;
    height: auto;
  }

  .main-section-7-inner {
    width: calc(100% - 128px);
    max-width: 1160px;
    padding: 88px 0 120px;
  }

  .section-7-img {
    width: 100%;
    max-width: 1160px;
    height: auto;
  }
}

@media (max-width: 880px) {
  .banner {
    background-size: 100% 38.8542vw;
  }
  
  .banner .banner-desc {
    font-size: 1.145vw;
    line-height: 2.24vw;
    letter-spacing: 0.2083vw;
    margin-top: 1.146vw;
  }
}

@media (max-width: 1280px) {
  .banner-section {
    padding: 0 65px;
  }
}

@media (min-width: 1921px) {
  .banner-desc {
    font-size: 22px;
  }

  .banner {
    background-size: auto;
  }

  .banner::after {
    bottom: -35px;
  }

  .banner-introduce {
    margin-top: 204px;
  }

  .banner-desc {
    margin-top: 20px;
  }
}