/* ============================================================================
   智慧能源全栈能力重构 — Industrial Editorial v7.0
   四层架构 + 六大功能模块 + 动态流程图
   ============================================================================ */

/* ===== 四层架构容器 ===== */
.energy-architecture {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 1100px;
  margin: var(--sp-12) auto;
  position: relative;
}

.energy-layer {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: var(--sp-8);
  padding: var(--sp-8) var(--sp-6);
  position: relative;
  transition: all 0.4s cubic-bezier(0.16,1,0.3,1);
  border-left: 3px solid transparent;
}

.energy-layer:hover {
  background: rgba(255,255,255,0.02);
}

.energy-layer.perception {
  border-left-color: var(--copper);
}

.energy-layer.data {
  border-left-color: var(--electric-blue);
}

.energy-layer.analysis {
  border-left-color: #00a878;
}

.energy-layer.benefit {
  border-left-color: #d4a72c;
}

/* 层间连接箭头 */
.energy-layer + .energy-layer::before {
  content: '';
  position: absolute;
  top: -12px;
  left: 60px;
  width: 2px;
  height: 24px;
  background: linear-gradient(to bottom, 
    rgba(15,116,187,0.1), 
    rgba(15,116,187,0.3), 
    rgba(15,116,187,0.1));
}

.energy-layer + .energy-layer.analysis::before {
  background: linear-gradient(to bottom, 
    rgba(0,168,120,0.1), 
    rgba(0,168,120,0.3), 
    rgba(0,168,120,0.1));
}

.energy-layer + .energy-layer.benefit::before {
  background: linear-gradient(to bottom, 
    rgba(212,167,44,0.1), 
    rgba(212,167,44,0.3), 
    rgba(212,167,44,0.1));
}

/* 层标签区域 */
.layer-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding-top: var(--sp-2);
  gap: var(--sp-3);
}

.layer-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.layer-icon.perception-icon {
  background: rgba(160,128,96,0.12);
  border: 1px solid rgba(160,128,96,0.25);
}

.layer-icon.data-icon {
  background: rgba(15,116,187,0.12);
  border: 1px solid rgba(15,116,187,0.25);
}

.layer-icon.analysis-icon {
  background: rgba(0,168,120,0.12);
  border: 1px solid rgba(0,168,120,0.25);
}

.layer-icon.benefit-icon {
  background: rgba(212,167,44,0.12);
  border: 1px solid rgba(212,167,44,0.25);
}

.layer-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  writing-mode: vertical-lr;
  text-orientation: mixed;
}

.layer-label.perception-label .layer-title { color: var(--copper); }
.layer-label.data-label .layer-title { color: var(--electric-blue); }
.layer-label.analysis-label .layer-title { color: #00a878; }
.layer-label.benefit-label .layer-title { color: #d4a72c; }

/* 层内容区域 */
.layer-content { padding-top: var(--sp-2); }

.layer-content h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: var(--sp-3);
}

.perception .layer-content h3 { color: var(--copper-light); }
.data .layer-content h3 { color: var(--electric-light); }
.analysis .layer-content h3 { color: #00d68f; }
.benefit .layer-content h3 { color: #e8c84a; }

.layer-subtitle {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  margin-bottom: var(--sp-4);
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
}

.layer-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-bottom: var(--sp-3);
}

.layer-tag {
  font-size: 0.78rem;
  padding: 3px 10px;
  border-radius: 4px;
  font-weight: 500;
  letter-spacing: 0.3px;
}

.layer-tag.copper {
  background: rgba(160,128,96,0.1);
  color: var(--copper-light);
  border: 1px solid rgba(160,128,96,0.15);
}

.layer-tag.blue {
  background: rgba(15,116,187,0.1);
  color: var(--electric-light);
  border: 1px solid rgba(15,116,187,0.15);
}

.layer-tag.green {
  background: rgba(0,168,120,0.1);
  color: #00d68f;
  border: 1px solid rgba(0,168,120,0.15);
}

.layer-tag.gold {
  background: rgba(212,167,44,0.1);
  color: #e8c84a;
  border: 1px solid rgba(212,167,44,0.15);
}

/* 收益指标 */
.benefit-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--sp-3);
  margin-top: var(--sp-4);
}

.benefit-metric {
  text-align: center;
  padding: var(--sp-4);
  background: rgba(212,167,44,0.05);
  border-radius: var(--r-sm);
  border: 1px solid rgba(212,167,44,0.1);
}

.benefit-metric .metric-val {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: #e8c84a;
  line-height: 1;
}

.benefit-metric .metric-lbl {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: var(--sp-1);
}

/* ===== 六大功能模块 ===== */
.energy-modules {
  max-width: 1200px;
  margin: var(--sp-16) auto;
  display: flex;
  flex-direction: column;
  gap: var(--sp-12);
}

.energy-module {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-10);
  align-items: center;
  padding: var(--sp-8);
  background: rgba(255,255,255,0.015);
  border-radius: var(--r-lg);
  border: 1px solid var(--border-default);
  transition: all 0.4s cubic-bezier(0.16,1,0.3,1);
}

.energy-module:hover {
  border-color: var(--border-active);
  background: rgba(255,255,255,0.03);
}

.energy-module:nth-child(even) {
  direction: rtl;
}

.energy-module:nth-child(even) .module-text {
  direction: ltr;
}

.module-text {
  padding: var(--sp-4);
}

.module-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--electric-blue);
  margin-bottom: var(--sp-2);
}

.module-text h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--sp-3);
  color: var(--text-primary);
}

.module-text p {
  color: var(--text-secondary);
  line-height: 1.72;
  font-size: 0.95rem;
}

.module-image {
  width: 100%;
  height: 340px;
  background: rgba(15,116,187,0.03);
  border-radius: var(--r-md);
  border: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.module-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all 0.5s ease;
}

.module-image .placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-3);
  color: var(--text-tertiary);
}

.module-image .placeholder svg {
  width: 48px;
  height: 48px;
  stroke: var(--electric-blue);
  fill: none;
  stroke-width: 1.5;
  opacity: 0.3;
}

.module-image .placeholder span {
  font-size: 0.8rem;
  letter-spacing: 0.5px;
}

/* ===== 动态流程图 ===== */
.energy-flowchart {
  max-width: 1100px;
  margin: var(--sp-16) auto;
  padding: var(--sp-10);
  background: rgba(255,255,255,0.015);
  border-radius: var(--r-lg);
  border: 1px solid var(--border-default);
  position: relative;
  overflow: hidden;
}

.flowchart-title {
  text-align: center;
  margin-bottom: var(--sp-10);
}

.flowchart-title .section-label {
  color: var(--electric-blue);
}

.flowchart-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4) var(--sp-8);
  position: relative;
}

.flow-node {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-4);
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border-default);
  border-radius: var(--r-md);
  opacity: 0;
  transform: translateY(12px);
  transition: all 0.6s cubic-bezier(0.16,1,0.3,1);
  position: relative;
}

.flow-node.visible {
  opacity: 1;
  transform: translateY(0);
}

.flow-node:hover {
  border-color: var(--electric-blue);
  background: rgba(15,116,187,0.05);
}

.node-num {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--electric-blue);
  min-width: 28px;
  text-align: center;
}

.node-text {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

/* 节点间连接线 */
.flow-connector {
  position: absolute;
  pointer-events: none;
  opacity: 0.3;
  z-index: 0;
}

.flow-connector.horizontal {
  height: 2px;
  background: linear-gradient(90deg, var(--electric-blue), transparent);
  top: 50%;
}

.flow-connector.vertical {
  width: 2px;
  background: linear-gradient(to bottom, var(--electric-blue), transparent);
  left: 50%;
}

/* 流光点动画 */
.flow-connector::after {
  content: '';
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--electric-light);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--electric-blue);
  animation: flowDot 2s ease-in-out infinite;
}

.flow-connector.horizontal::after {
  top: -1px;
  animation-name: flowDotH;
}

.flow-connector.vertical::after {
  left: -1px;
  animation-name: flowDotV;
}

@keyframes flowDotH {
  0% { left: 0%; opacity: 1; }
  80% { left: 100%; opacity: 0.8; }
  100% { left: 100%; opacity: 0; }
}

@keyframes flowDotV {
  0% { top: 0%; opacity: 1; }
  80% { top: 100%; opacity: 0.8; }
  100% { top: 100%; opacity: 0; }
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .energy-layer {
    grid-template-columns: 80px 1fr;
    gap: var(--sp-6);
    padding: var(--sp-6) var(--sp-4);
  }
  
  .energy-module {
    grid-template-columns: 1fr;
    gap: var(--sp-6);
  }
  
  .energy-module:nth-child(even) {
    direction: ltr;
  }
  
  .module-image {
    height: 240px;
  }
  
  .flowchart-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .benefit-metrics {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .energy-layer {
    grid-template-columns: 1fr;
    border-left: none;
    border-bottom: 3px solid transparent;
    padding: var(--sp-6) var(--sp-2);
  }
  
  .energy-layer.perception { border-bottom-color: var(--copper); }
  .energy-layer.data { border-bottom-color: var(--electric-blue); }
  .energy-layer.analysis { border-bottom-color: #00a878; }
  .energy-layer.benefit { border-bottom-color: #d4a72c; }
  
  .layer-label {
    flex-direction: row;
    padding-top: 0;
    gap: var(--sp-2);
  }
  
  .layer-title {
    writing-mode: horizontal-tb;
  }
  
  .energy-layer + .energy-layer::before {
    display: none;
  }
  
  .layer-icon {
    width: 36px;
    height: 36px;
    font-size: 1.1rem;
  }
  
  .benefit-metrics {
    grid-template-columns: 1fr 1fr;
  }
  
  .flowchart-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--sp-3);
  }
}

@media (max-width: 480px) {
  .flowchart-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .node-num {
    font-size: 0.9rem;
    min-width: 22px;
  }
  
  .node-text {
    font-size: 0.78rem;
  }
}