.cn-approach {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #ffffff 0%, #fbfdfe 100%);
}

.cn-approach::after {
  content: "";
  position: absolute;
  width: 440px;
  height: 440px;
  right: -270px;
  top: 70px;
  border: 1px solid rgba(23, 110, 166, 0.08);
  border-radius: 50%;
  box-shadow: 0 0 0 72px rgba(23, 110, 166, 0.025),
              0 0 0 144px rgba(23, 110, 166, 0.018);
  pointer-events: none;
}

.cn-approach .cn-container {
  position: relative;
  z-index: 1;
}

.cn-process-flow {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px;
  padding: 14px 0 8px;
}

.cn-process-flow::before {
  content: "";
  position: absolute;
  z-index: 0;
  top: 66px;
  left: 12.5%;
  right: 12.5%;
  height: 1px;
  background: linear-gradient(90deg, #b8dce9 0%, #55b9d6 52%, #176ea6 100%);
}

.cn-process-stage {
  position: relative;
  z-index: 1;
  display: flex;
  min-width: 0;
  flex-direction: column;
}

.cn-process-stage:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 62px;
  right: -18px;
  width: 8px;
  height: 8px;
  border-top: 1px solid #68b9d2;
  border-right: 1px solid #68b9d2;
  transform: rotate(45deg);
}

.cn-process-icon {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 104px;
  height: 104px;
  margin: 0 auto 25px;
  color: var(--cn-blue);
  background: rgba(250, 253, 255, 0.97);
  border: 1px solid #bcdce8;
  border-radius: 26px;
  box-shadow: 0 13px 32px rgba(10, 65, 99, 0.09);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.cn-process-stage:hover .cn-process-icon {
  transform: translateY(-5px);
  border-color: #70bfd6;
  box-shadow: 0 18px 38px rgba(10, 65, 99, 0.14);
}

.cn-process-icon svg {
  width: 68px;
  height: 68px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.cn-process-index {
  position: absolute;
  top: -10px;
  right: -10px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  color: #ffffff;
  background: var(--cn-blue);
  border: 4px solid #ffffff;
  border-radius: 50%;
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
  box-shadow: 0 7px 16px rgba(12, 82, 124, 0.18);
}

.cn-process-copy {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 0 7px;
}

.cn-process-meta {
  margin-bottom: 8px;
  color: #3f9bbb;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.14em;
  white-space: nowrap;
}

.cn-process-stage h3 {
  margin: 0 0 13px;
  color: var(--cn-deep);
  font-size: 19px;
  line-height: 1.35;
}

.cn-process-stage p {
  margin: 0;
  color: var(--cn-muted);
  font-size: 15px;
  line-height: 1.85;
}

.cn-process-note {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: auto;
  padding-top: 18px;
  color: #7a8d99;
  font-size: 12px;
  white-space: nowrap;
}

.cn-process-note::before {
  content: "";
  width: 18px;
  height: 1px;
  flex: 0 0 auto;
  background: #8fc9da;
}

@media (min-width: 761px) {
  .cn-process-icon {
    left: -1cm;
  }

  .cn-process-flow::before {
    transform: translateX(-1cm);
  }

  .cn-process-stage:not(:last-child)::after {
    transform: translateX(-1cm) rotate(45deg);
  }
}

@media (max-width: 900px) {
  .cn-process-flow {
    gap: 18px;
  }

  .cn-process-icon {
    width: 90px;
    height: 90px;
  }

  .cn-process-flow::before {
    top: 59px;
  }

  .cn-process-stage:not(:last-child)::after {
    top: 55px;
    right: -12px;
  }

  .cn-process-icon svg {
    width: 58px;
    height: 58px;
  }

  .cn-process-copy {
    padding: 0 2px;
  }

  .cn-process-stage h3 {
    font-size: 17px;
  }

  .cn-process-stage p {
    font-size: 14px;
  }
}

@media (max-width: 760px) {
  .cn-approach::after {
    display: none;
  }

  .cn-process-flow {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    padding: 0;
  }

  .cn-process-flow::before {
    top: 37px;
    bottom: 37px;
    left: 36px;
    right: auto;
    width: 1px;
    height: auto;
    background: linear-gradient(180deg, #b8dce9 0%, #55b9d6 52%, #176ea6 100%);
  }

  .cn-process-stage {
    display: grid;
    grid-template-columns: 74px minmax(0, 1fr);
    gap: 18px;
    padding: 0 0 34px;
  }

  .cn-process-stage:last-child {
    padding-bottom: 4px;
  }

  .cn-process-stage:not(:last-child)::after {
    display: none;
  }

  .cn-process-icon {
    width: 74px;
    height: 74px;
    margin: 0;
    border-radius: 20px;
  }

  .cn-process-icon svg {
    width: 48px;
    height: 48px;
  }

  .cn-process-index {
    top: -8px;
    right: -7px;
    width: 30px;
    height: 30px;
    border-width: 3px;
    font-size: 10px;
  }

  .cn-process-copy {
    display: block;
    padding: 0 0 24px;
    border-bottom: 1px solid #e2ebf0;
  }

  .cn-process-stage:last-child .cn-process-copy {
    padding-bottom: 0;
    border-bottom: 0;
  }

  .cn-process-meta {
    margin: 1px 0 6px;
  }

  .cn-process-stage h3 {
    margin-bottom: 9px;
    font-size: 17px;
  }

  .cn-process-stage p {
    line-height: 1.75;
  }

  .cn-process-note {
    margin-top: 13px;
    padding-top: 0;
  }
}