.process-container {
  position: relative;
  width: 90vw;
  max-width: 420px;
  aspect-ratio: 1 / 1;
  margin-top:50px;
}

/* 绿色虚线圆 */
.dashed-ring {
  position: absolute;
  inset: 7%;
  border-radius: 50%;
  border: 2px dashed #048646;
}

/* 黄色箭头层 */
.arrow-ring {
  position: absolute;
  inset: 0%;
  border-radius: 50%;
  pointer-events: none;
}

/* 单个箭头 */
.arrow {
  position: absolute;
  width: 10px;
  height: 10px;
  border-top: 2px solid #f08c32;
  border-right: 2px solid #f08c32;
  transform-origin: center;
  opacity: 1.9;
}

/* 中心圆 */
.center-circle {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 55%;
  height: 55%;
  background: #fff;
  border: 4px solid #048646;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.center-circle img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.8s ease;
}

.center-circle img.active {
  opacity: 1;
}

.center-text {
  position: absolute;
  font-size: .5rem;
  font-weight: bold;
  color: white;
  text-shadow: 0 0 5px rgba(0,0,0,0.6);
  z-index: 10;
}

/* 外圈数字与说明容器 */
.step-group {
  position: absolute;
  text-align: center;
  transform: translate(-50%, -40%);
}

.step {
  display: inline-block;
  width: 40px;
  height: 40px;
  background: #048646;
  color: white;
  border-radius: 50%;
  line-height: 40px;
  font-size: .35rem;
  font-weight: bold;
  transition: all 0.4s ease;
}

.step.active {
  background: #f08c32;
  transform: scale(1.5);
  box-shadow: 0 0 10px rgba(255,167,38,0.7);
}

.step-label {
  display: block;
  font-size: 0.25rem;
  color: #333;
  margin: 8px 0 8px 12px;
}

/* 响应式优化 */
@media (min-width: 480px) {
  .center-text { font-size: 1.2rem; }
  .step { width: 50px; height: 50px; line-height: 50px; font-size: 1rem; }
  .step-label { font-size: 0.85rem; }
}
  .chart {
    height: 320px;
    position: relative;
    margin-top:60px;
  }

  svg {
    width: 100%;
    height: 100%;
    transform: rotate(-22.5deg); /* 让第一块朝上 */
  }

  .sector path {
    transition: all 0.6s ease;
    transform-origin: 50% 50%;
  }

  .sector text {
    font-size: 7px;
    fill: #fff;
    text-anchor: middle;
  }

  .active path {
    fill: #f7931e !important;
    transform: scale(0.96);
    
  }

  /* 响应式适配小屏 */
  @media (max-width: 400px) {
    .chart {
      width: 260px;
      height: 260px;
    }
    .sector text {
      font-size: 8px;
    }
  }