/**
 * Component Sourcing 子页 · 段8 供应风险（环形风险图）
 *
 * 呈现方式参考客户演示 cs-risk：六个节点环绕中心，点击联动中心详情。
 * 节点用极坐标定位（rotate + translateY + 反向 rotate），半径用 clamp 自适应。
 * 窄屏（≤900px）退化为纵向列表，取消绝对定位。
 */

.csrc-risk {
  padding-block: 120px;
  background: #ffffff;
}

.csrc-risk__head {
  max-width: 1090px;
  margin: 0 auto 56px;
  text-align: center;
}

.csrc-risk__title {
  margin: 0 0 20px;
  font-family: var(--pcb-font-display);
  font-size: 38px;
  font-weight: 900;
  line-height: 1.4;
  color: var(--pcb-ink);
}

.csrc-risk__subtitle {
  margin: 0 0 18px;
  font-size: 22px;
  font-weight: 900;
  color: var(--pcb-green);
}

.csrc-risk__body {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--pcb-body);
}

/* ── 环形舞台 ───────────────────────────────────────── */

.csrc-risk__map {
  --csrc-risk-radius: clamp(160px, 26vw, 345px);
  position: relative;
  width: min(100%, 900px);
  aspect-ratio: 1 / 1;
  margin: 0 auto;
}

.csrc-risk__ring {
  position: absolute;
  inset: 11%;
  border: 1px dashed var(--pcb-line);
  border-radius: 50%;
}

.csrc-risk__ring::after {
  content: "";
  position: absolute;
  inset: 13%;
  border: 1px solid rgba(0, 140, 17, 0.14);
  border-radius: 50%;
}

/* ── 中心详情 ───────────────────────────────────────── */

.csrc-risk__core {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  place-items: center;
  width: 40%;
  aspect-ratio: 1 / 1;
  transform: translate(-50%, -50%);
  background: linear-gradient(145deg, #eef9f1, #ffffff);
  border: 1px solid var(--pcb-line);
  border-radius: 50%;
  box-shadow: 0 24px 60px rgba(4, 62, 48, 0.1);
}

.csrc-risk-core {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  gap: 10px;
  padding: 14%;
  text-align: center;
}

.csrc-risk-core[hidden] { display: none; }

.csrc-risk-core.is-active {
  animation: csrc-risk-core-in 0.42s cubic-bezier(0.2, 0.8, 0.2, 1);
}

@keyframes csrc-risk-core-in {
  from { opacity: 0; transform: scale(0.96); }
  to   { opacity: 1; transform: none; }
}

.csrc-risk-core__mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin: 0 auto;
  font-size: 17px;
  color: #ffffff;
  background: var(--pcb-green);
  border-radius: 50%;
}

.csrc-risk-core__title {
  margin: 0;
  font-family: var(--pcb-font-display);
  font-size: 20px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--pcb-ink);
}

.csrc-risk-core__response {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--pcb-body);
}

/* ── 环绕节点 ───────────────────────────────────────── */

.csrc-risk__nodes {
  position: absolute;
  inset: 0;
}

.csrc-risk-node {
  position: absolute;
  top: 50%;
  left: 50%;
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 27%;
  padding: 16px 18px;
  text-align: left;
  cursor: pointer;
  background: #ffffff;
  border: 1px solid var(--pcb-line);
  border-radius: 16px;
  transform:
    translate(-50%, -50%)
    rotate(var(--angle, 0deg))
    translateY(calc(-1 * var(--csrc-risk-radius)))
    rotate(calc(-1 * var(--angle, 0deg)));
  transition: border-color 0.24s ease, box-shadow 0.24s ease, background 0.24s ease;
}

.csrc-risk-node:nth-child(1) { --angle: -90deg; }
.csrc-risk-node:nth-child(2) { --angle: -30deg; }
.csrc-risk-node:nth-child(3) { --angle: 30deg; }
.csrc-risk-node:nth-child(4) { --angle: 90deg; }
.csrc-risk-node:nth-child(5) { --angle: 150deg; }
.csrc-risk-node:nth-child(6) { --angle: 210deg; }

.csrc-risk-node strong {
  font-size: 15px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--pcb-ink);
  transition: color 0.24s ease;
}

.csrc-risk-node span {
  display: -webkit-box;
  overflow: hidden;
  font-size: 13px;
  line-height: 1.5;
  color: var(--pcb-muted);
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.csrc-risk-node:hover {
  border-color: rgba(0, 140, 17, 0.4);
  box-shadow: 0 14px 32px rgba(4, 62, 48, 0.08);
}

.csrc-risk-node:focus-visible {
  outline: 2px solid var(--pcb-green);
  outline-offset: 3px;
}

.csrc-risk-node.is-active {
  background: var(--pcb-dark, #14363f);
  border-color: var(--pcb-dark, #14363f);
  box-shadow: 0 20px 44px rgba(4, 62, 48, 0.18);
}

.csrc-risk-node.is-active strong { color: #ffffff; }
.csrc-risk-node.is-active span { color: rgba(255, 255, 255, 0.6); }

/* ── 响应式 ─────────────────────────────────────────── */

@media (max-width: 1500px) {
  .csrc-risk { padding-block: 100px; }
  .csrc-risk__title { font-size: 32px; }
  .csrc-risk__subtitle { font-size: 20px; }
  .csrc-risk__head { margin-bottom: 44px; }
  .csrc-risk-node { width: 30%; padding: 14px 15px; }
}

@media (max-width: 1280px) {
  .csrc-risk__title { font-size: 28px; }
  .csrc-risk__map { --csrc-risk-radius: clamp(130px, 27vw, 250px); }
  .csrc-risk-node span { display: none; }
}

/* 窄屏：退化为「中心在上 + 节点列表」 */
@media (max-width: 900px) {
  .csrc-risk { padding-block: 72px; }

  .csrc-risk__map {
    display: flex;
    flex-direction: column;
    gap: 16px;
    width: 100%;
    aspect-ratio: auto;
  }

  .csrc-risk__ring { display: none; }

  .csrc-risk__core {
    position: relative;
    top: auto;
    left: auto;
    width: 100%;
    aspect-ratio: auto;
    transform: none;
    border-radius: 22px;
  }

  .csrc-risk-core {
    position: relative;
    inset: auto;
    padding: 26px 22px;
    text-align: left;
  }

  .csrc-risk-core__mark { margin: 0 0 4px; }

  .csrc-risk__nodes {
    position: relative;
    inset: auto;
    display: grid;
    gap: 10px;
  }

  .csrc-risk-node {
    position: relative;
    top: auto;
    left: auto;
    width: 100%;
    transform: none;
  }

  .csrc-risk-node span { display: -webkit-box; }
}

@media (max-width: 768px) {
  .csrc-risk__title { font-size: 22px; }
  .csrc-risk__subtitle { font-size: 17px; }
  .csrc-risk-core__title { font-size: 18px; }
}