/* 全链条一体化管控 — 参考 u8cloud-ai-section-v2 */
#chain.gpr-chain {
  --uy-red: #e60012;
  --border: rgba(0, 0, 0, 0.08);
  --text-sub: #6b7280;
  padding: 36px 0 8px;
  background: transparent;
}

#chain.gpr-chain .wrap {
  max-width: 100%;
  margin: 0 auto;
  padding: 0;
}

#chain.gpr-chain .chain {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  flex-wrap: nowrap;
  gap: 8px;
}

#chain.gpr-chain .chain-node {
  background: #fff;
  border: 1px solid #e9eaef;
  border-radius: 10px;
  padding: 14px 18px;
  text-align: center;
  min-width: 110px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
  position: relative;
  cursor: default;
  transition:
    transform 0.28s cubic-bezier(0.34, 1.4, 0.64, 1),
    box-shadow 0.28s ease,
    border-color 0.28s ease,
    background-color 0.28s ease;
}

#chain.gpr-chain .chain-node b {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: #1f2937;
  line-height: 1.3;
  margin-bottom: 4px;
  transition: color 0.28s ease;
}

#chain.gpr-chain .chain-node span {
  display: block;
  font-size: 12px;
  color: #86909c;
  line-height: 1.3;
}

#chain.gpr-chain .chain-node:hover {
  transform: translateY(-6px);
  border-color: rgba(230, 0, 18, 0.45);
  box-shadow: 0 10px 24px rgba(230, 0, 18, 0.12);
}

#chain.gpr-chain .chain-node:hover b {
  color: var(--uy-red);
}

#chain.gpr-chain .chain-node.hot {
  border-color: var(--uy-red);
  background: #fdf3f2;
}

#chain.gpr-chain .chain-node.hot b {
  color: var(--uy-red);
}

#chain.gpr-chain .chain-node.hot:hover {
  background: #fff5f4;
  box-shadow: 0 12px 28px rgba(230, 0, 18, 0.18);
  transform: translateY(-8px) scale(1.02);
}

#chain.gpr-chain .chain-arrow {
  align-self: flex-start;
  height: 58px;
  display: flex;
  align-items: center;
  color: #e8a0a0;
  font-size: 20px;
  font-weight: 700;
  flex: 0 0 auto;
  line-height: 1;
  transition:
    color 0.25s ease,
    transform 0.25s ease;
}

/* 高亮三段 + 下方护航卡 */
#chain.gpr-chain .chain-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  flex: 0 0 auto;
  position: relative;
  padding-bottom: 8px;
}

#chain.gpr-chain .chain-stage-row {
  display: flex;
  align-items: stretch;
  gap: 8px;
}

#chain.gpr-chain .chain-stage .chain-arrow {
  align-self: center;
  height: auto;
}

#chain.gpr-chain .chain-foot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 56px;
  padding: 14px 28px;
  background: #fff;
  border: 2px solid var(--uy-red);
  border-radius: 10px;
  box-shadow: 0 6px 20px rgba(230, 0, 18, 0.16);
  position: relative;
  white-space: nowrap;
}

/* 红色虚线 U 形连接：从高亮三段底部接到护航卡 */
#chain.gpr-chain .chain-foot::before {
  content: "";
  position: absolute;
  left: 1%;
  right: 1%;
  top: -52px;
  height: 40px;
  border: 1.5px dashed var(--uy-red);
  border-top: none;
  border-radius: 0 0 22px 22px;
  pointer-events: none;
}

#chain.gpr-chain .chain-foot-icon {
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
}

#chain.gpr-chain .chain-foot-icon svg {
  display: block;
  width: 100%;
  height: 100%;
}

#chain.gpr-chain .chain-foot b {
  font-size: 16px;
  font-weight: 700;
  color: var(--uy-red);
  line-height: 1.3;
  letter-spacing: 0.02em;
}

#chain.gpr-chain .chain:hover .chain-arrow {
  color: #e60012;
}

#chain.gpr-chain .chain-note {
  text-align: center;
  color: #4e5561;
  font-size: 15px;
  margin: 30px 0 0;
  line-height: 1.6;
}

#chain.gpr-chain .chain-note em {
  font-style: normal;
  color: var(--uy-red);
  font-weight: 700;
}

#chain.gpr-chain .value-cards {
  display: flex;
  align-items: stretch;
  justify-content: center;
  margin-top: 32px;
  padding: 28px 12px;
  background: #f8f9fc;
  border-radius: 12px;
}

#chain.gpr-chain .value-card {
  flex: 1 1 0;
  min-width: 0;
  text-align: center;
  padding: 8px 16px;
  border-right: 1px solid var(--border);
  cursor: default;
  transition: transform 0.28s ease;
}

#chain.gpr-chain .value-card:last-child {
  border-right: none;
}

#chain.gpr-chain .value-card:hover {
  transform: translateY(-4px);
}

#chain.gpr-chain .value-card h4 {
  font-size: 20px;
  font-weight: 800;
  color: var(--uy-red);
  margin: 0 0 6px;
  letter-spacing: 1px;
  line-height: 1.3;
  transition: letter-spacing 0.28s ease;
}

#chain.gpr-chain .value-card:hover h4 {
  letter-spacing: 2px;
}

#chain.gpr-chain .value-card p {
  margin: 0;
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.5;
}

#chain.gpr-chain .gpr-chain-figure,
#xinchuang.gpr-chain .gpr-chain-figure {
  width: 100%;
  line-height: 0;
}

#chain.gpr-chain .gpr-chain-figure img,
#xinchuang.gpr-chain .gpr-chain-figure img {
  display: block;
  width: 100%;
  height: auto;
}

#chain.gpr-chain .gpr-chain-cta,
#xinchuang.gpr-chain .gpr-chain-cta {
  display: flex;
  justify-content: center;
  margin-top: 36px;
}

#chain.gpr-chain .gpr-chain-cta-btn,
#xinchuang.gpr-chain .gpr-chain-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 240px;
  height: 48px;
  padding: 0 36px;
  border: none;
  border-radius: 6px;
  background: linear-gradient(90deg, #ff7a18 0%, #e60012 100%);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  box-shadow: 0 8px 20px rgba(230, 0, 18, 0.25);
  cursor: pointer;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    opacity 0.2s ease;
}

#chain.gpr-chain .gpr-chain-cta-btn:hover,
#xinchuang.gpr-chain .gpr-chain-cta-btn:hover {
  opacity: 0.94;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(230, 0, 18, 0.32);
  color: #fff;
  text-decoration: none;
}

@media (max-width: 1100px) {
  #chain.gpr-chain .chain {
    flex-wrap: wrap;
    row-gap: 12px;
  }

  #chain.gpr-chain .chain > .chain-arrow {
    display: none;
  }

  #chain.gpr-chain .chain-stage {
    width: 100%;
    order: 10;
  }

  #chain.gpr-chain .chain-stage-row {
    flex-wrap: wrap;
    justify-content: center;
  }

  #chain.gpr-chain .chain-stage-row .chain-arrow {
    display: none;
  }

  #chain.gpr-chain .chain-node {
    flex: 1 1 40%;
    min-width: 0;
  }

  #chain.gpr-chain .chain-foot {
    margin-top: 48px;
    padding: 12px 18px;
    white-space: normal;
    text-align: center;
  }

  #chain.gpr-chain .chain-foot::before {
    left: 0%;
    right: 0%;
    top: -40px;
    height: 32px;
  }

  #chain.gpr-chain .chain-foot b {
    font-size: 14px;
  }

  #chain.gpr-chain .value-cards {
    flex-wrap: wrap;
    padding: 20px 8px;
  }

  #chain.gpr-chain .value-card {
    flex: 1 1 45%;
    border-right: none;
    padding: 12px;
  }

  #chain.gpr-chain .value-card:nth-child(odd) {
    border-right: 1px solid var(--border);
  }

  #chain.gpr-chain .value-card:nth-child(1),
  #chain.gpr-chain .value-card:nth-child(2) {
    margin-bottom: 8px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
  }
}

@media (max-width: 900px) {
  #chain.gpr-chain .chain-arrow {
    display: none;
  }
}

@media (max-width: 850px) {
  #chain.gpr-chain {
    padding: 24px 0 0;
  }

  #chain.gpr-chain .chain-node {
    padding: 12px 10px;
  }

  #chain.gpr-chain .chain-node b {
    font-size: 14px;
  }

  #chain.gpr-chain .chain-note {
    font-size: 13px;
    margin-top: 20px;
    padding: 0 8px;
  }

  #chain.gpr-chain .value-card h4 {
    font-size: 16px;
  }

  #chain.gpr-chain .gpr-chain-cta,
  #xinchuang.gpr-chain .gpr-chain-cta {
    margin-top: 28px;
  }

  #chain.gpr-chain .gpr-chain-cta-btn,
  #xinchuang.gpr-chain .gpr-chain-cta-btn {
    min-width: 200px;
    height: 44px;
    font-size: 15px;
    padding: 0 28px;
  }
}