.container {
  position: relative;
  width: 66vmin;
  height: 66vmin;
  min-width: 260px;
  min-height: 260px;
  margin:60px 50px;
}

/* SVG 环线 */
.svg-ring {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.circle-bg {
  fill: none;
  stroke: #ffffff;
  stroke-width: 2;
}

.circle-progress {
  fill: none;
  stroke: url(#grad);
  stroke-width: 5;
  stroke-linecap: round;
  stroke-dasharray: 1570;
  stroke-dashoffset: 1570;
  transition: stroke-dashoffset 3s linear;
}

/* 节点与文字 */
.node {
  position: absolute;
  width: 10px;
  height: 10px;
  background-color: #048646;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.4s ease;
}
.node.active {
  background-color: #f08c32;
  transform: translate(-50%, -50%) scale(1.6);
  box-shadow: 0 0 15px #f08c32;
}

.label {
  position: absolute;
  color: #048646;
  font-weight: bold;
  font-size: 14px;
  white-space: nowrap;
  transition: color 0.3s, transform 0.3s;
  cursor: pointer;
  user-select: none;
}
.label.active {
  color: #ffffff;
  transform: scale(1.1);
  background-color: #f08c32;
  padding: 2.5px 6px 4px;
  border-radius:15px
}

/* 中心内容 */
.center {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 55%;
  height: 55%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, #048646 15%, #d8f3dd 100%);
  border-radius: 50%;
  text-align: center;
  color: white;
  padding: 6% 5%;
  box-sizing: border-box;
}
.center h2 {
  font-size: clamp(14px, 2.5vmin, 24px);
  margin-bottom: 10px;
}
.center h3 {
  font-size: 18px;
  margin: 11px 0;
}
.center p {
  font-size: 13px;
  color: #f5f5f5;
  line-height: 1.5;
}