/* ============================================================================
   补充组件样式
   ============================================================================ */

/* ===== Hero补充样式 ===== */
.hero-grid-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  background-image:
    radial-gradient(circle at 50% 50%, rgba(15, 116, 187, 0.12) 1px, transparent 1px),
    repeating-linear-gradient(0deg, transparent, transparent 20px, rgba(15, 116, 187, 0.08) 20px, rgba(15, 116, 187, 0.08) 21px),
    repeating-linear-gradient(90deg, transparent, transparent 20px, rgba(15, 116, 187, 0.06) 20px, rgba(15, 116, 187, 0.06) 21px);
  background-size: 100px 100px, 100% 100%, 100% 100%;
  opacity: 0.3;
  animation: gridGlow 8s ease-in-out infinite;
  pointer-events: none;
}

@keyframes gridGlow {
  0%, 100% { opacity: 0.25; }
  50% { opacity: 0.5; }
}

.hero-gradient-mask {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  background: linear-gradient(
    to bottom,
    rgba(8, 15, 26, 0.95) 0%,
    rgba(8, 15, 26, 0.25) 20%,
    rgba(8, 15, 26, 0.2) 65%,
    rgba(8, 15, 26, 0.8) 100%
  );
  pointer-events: none;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.scroll-line {
  width: 2px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, var(--electric-blue), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

.scroll-line:nth-child(2) {
  animation-delay: 0.5s;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: translateY(0); }
  50% { opacity: 1; transform: translateY(10px); }
}

/* ===== 智慧能源全栈 ===== */
.energy-fullstack {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--sp-8);
  max-width: 1200px;
  margin: 0 auto;
}

.energy-domain {
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--r-lg);
  padding: var(--sp-8);
  position: relative;
  transition: all var(--transition);
  border: 1px solid var(--border-default);
}

.energy-domain:hover {
  border-color: var(--border-active);
  transform: translateY(-2px);
  box-shadow: var(--elevation-2);
}

.energy-domain h3 {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: 1.3rem;
  margin-bottom: var(--sp-4);
  color: var(--text-primary);
}

.domain-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 116, 187, 0.1);
  border-radius: var(--r-sm);
}

.domain-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--electric-blue);
  fill: none;
  stroke-width: 2;
}

.domain-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: var(--sp-6);
}

.domain-stages {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-top: var(--sp-4);
}

.domain-stage {
  font-size: 0.8rem;
  padding: var(--sp-1) var(--sp-3);
  background: rgba(15, 116, 187, 0.08);
  border-radius: var(--r-sm);
  color: var(--electric-light);
  font-weight: 500;
}

/* ===== 服务流程 ===== */
.energy-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--sp-6);
  max-width: 900px;
  margin: 0 auto;
  padding: var(--sp-8) 0;
}

.flow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  min-width: 120px;
  padding: var(--sp-6);
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--r-lg);
  border: 1px solid var(--border-default);
  transition: all var(--transition);
}

.flow-step:hover {
  border-color: var(--border-active);
  transform: translateY(-2px);
  box-shadow: var(--elevation-2);
}

.step-num {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--electric-blue);
  margin-bottom: var(--sp-2);
  line-height: 1;
}

.step-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--sp-1);
}

.step-detail {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  line-height: 1.4;
}

.flow-arrow {
  font-size: 1.5rem;
  color: var(--electric-blue);
  opacity: 0.5;
}

/* ===== 技术参数 ===== */
.tech-specs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--sp-8);
  max-width: 1000px;
  margin: 0 auto;
}

.tech-spec {
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--r-lg);
  padding: var(--sp-8);
  text-align: center;
  border: 1px solid var(--border-default);
  transition: all var(--transition);
}

.tech-spec:hover {
  border-color: var(--border-active);
  transform: translateY(-2px);
  box-shadow: var(--elevation-2);
}

.spec-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--electric-blue);
  text-transform: uppercase;
  margin-bottom: var(--sp-3);
}

.tech-spec h4 {
  font-size: 1.2rem;
  margin-bottom: var(--sp-2);
  color: var(--text-primary);
}

.spec-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ===== 案例 ===== */
.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--sp-8);
  max-width: 1200px;
  margin: 0 auto;
}

.case-card {
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--r-lg);
  padding: var(--sp-8);
  border: 1px solid var(--border-default);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.case-card:hover {
  border-color: var(--border-active);
  transform: translateY(-2px);
  box-shadow: var(--elevation-2);
}

.case-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--sp-4);
}

.case-industry-tag {
  font-size: 0.75rem;
  padding: var(--sp-1) var(--sp-3);
  background: rgba(15, 116, 187, 0.1);
  border-radius: 100px;
  color: var(--electric-light);
  font-weight: 600;
  letter-spacing: 0.5px;
}

.case-card h3 {
  font-size: 1.3rem;
  margin-bottom: var(--sp-3);
  color: var(--text-primary);
}

.case-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ===== 公众号 ===== */
.wechat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--sp-8);
  max-width: 1200px;
  margin: 0 auto;
}

.wechat-card {
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--border-default);
  transition: all var(--transition);
}

.wechat-card:hover {
  border-color: var(--border-active);
  transform: translateY(-2px);
  box-shadow: var(--elevation-2);
}

.cover {
  height: 160px;
  background: rgba(15, 116, 187, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cover-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 116, 187, 0.1);
  border-radius: var(--r-md);
}

.cover-icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--electric-blue);
  fill: none;
  stroke-width: 2;
}

.card-body {
  padding: var(--sp-6);
}

.wechat-card h4 {
  font-size: 1.1rem;
  margin-bottom: var(--sp-2);
  color: var(--text-primary);
}

.date {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  margin-bottom: var(--sp-3);
}

.summary {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  margin: 0;
}

/* ===== 联系表单 ===== */
.contact-section {
  background: var(--titanium);
  border-radius: var(--r-lg);
  margin: var(--sp-12) auto;
  max-width: 800px;
  padding: var(--sp-12) var(--sp-8);
  border: 1px solid var(--border-default);
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-6);
  margin-bottom: var(--sp-6);
}

.form-group {
  margin-bottom: var(--sp-6);
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--sp-2);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--sp-3) var(--sp-4);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-default);
  border-radius: var(--r-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all var(--transition);
}

.form-group input:hover,
.form-group textarea:hover {
  border-color: var(--border-active);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--electric-blue);
  box-shadow: 0 0 0 2px rgba(15, 116, 187, 0.1);
}

/* ===== 按钮补充 ===== */
.btn-outline {
  background: transparent;
  border: 1px solid var(--border-active);
  color: var(--electric-blue);
}

.btn-outline:hover {
  background: rgba(15, 116, 187, 0.08);
  border-color: var(--electric-blue);
}

.btn-copper {
  background: var(--copper);
  color: #fff;
  box-shadow: 0 4px 16px rgba(247, 127, 0, 0.25);
}

.btn-copper:hover {
  background: var(--copper-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(247, 127, 0, 0.35);
}

/* ===== 响应式调整 ===== */
@media (max-width: 768px) {
  .energy-flow {
    flex-direction: column;
    gap: var(--sp-4);
  }
  
  .flow-step {
    width: 100%;
    max-width: 280px;
  }
  
  .flow-arrow {
    transform: rotate(90deg);
  }
  
  .form-row {
    grid-template-columns: 1fr;
    gap: var(--sp-4);
  }
  
  .contact-section {
    padding: var(--sp-8) var(--sp-4);
    margin: var(--sp-8) var(--sp-4);
  }
}

@media (max-width: 480px) {
  .energy-fullstack {
    grid-template-columns: 1fr;
  }
  
  .tech-specs {
    grid-template-columns: 1fr;
  }
  
  .case-grid {
    grid-template-columns: 1fr;
  }
  
  .wechat-grid {
    grid-template-columns: 1fr;
  }
}