/* ===== 首页通用布局 ===== */
section {
  padding: var(--spacing-3xl) 0;
}

.section-wrapper {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  gap: var(--spacing-2xl);
}

/* ===== 英雄区 ===== */
.hero {
  position: relative;
  color: white;
  background: radial-gradient(circle at 12% 18%, rgba(255, 255, 255, 0.08), transparent 45%),
              linear-gradient(135deg, #082015, #175036);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../images/VmkWkdCpMNy7.jpg') center/cover no-repeat;
  opacity: 0.25;
  mix-blend-mode: lighten;
}

.hero::after {
  content: '';
  position: absolute;
  width: 520px;
  height: 520px;
  right: -220px;
  bottom: -220px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  filter: blur(0);
}

.hero-container {
  position: relative;
  z-index: 1;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: calc(var(--spacing-3xl) + 12px) var(--container-padding);
  display: flex;
  justify-content: center;
  text-align: left;
}

.hero-content {
  max-width: 760px;
  display: grid;
  gap: var(--spacing-lg);
}

.hero h1 {
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.15;
  margin: 0;
  color: white;
}

.hero-lead {
  margin: 0;
  font-size: var(--font-size-lg);
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.92);
}

/* ===== 核心优势 ===== */
.value-proposition {
  background: var(--light-color);
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--spacing-xl);
}

.value-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  display: grid;
  gap: var(--spacing-md);
  border: 1px solid rgba(46, 139, 87, 0.08);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.value-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.value-icon {
  width: 62px;
  height: 62px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(46, 139, 87, 0.15), rgba(46, 139, 87, 0.35));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: var(--primary-color);
}

.value-card h3 {
  margin: 0;
}

.value-card p {
  margin: 0;
}

.value-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--spacing-xs);
}

.value-card ul li {
  padding-left: 18px;
  position: relative;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.value-card ul li::before {
  content: '•';
  position: absolute;
  left: 4px;
  color: var(--primary-color);
}

/* ===== 产品矩阵 ===== */
.product-showcase {
  background: white;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--spacing-xl);
}

.product-card {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  display: grid;
  grid-template-rows: 220px 1fr;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.product-image-wrapper {
  position: relative;
  overflow: hidden;
}

.product-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.product-card:hover .product-image-wrapper img {
  transform: scale(1.05);
}

.product-content {
  padding: var(--spacing-lg);
  display: grid;
  gap: var(--spacing-md);
}

.product-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-full);
  background: rgba(46, 139, 87, 0.12);
  color: var(--primary-color);
  font-size: var(--font-size-xs);
  letter-spacing: 0.8px;
  text-transform: uppercase;
}

.product-content h3 {
  margin: 0;
}

.product-content p {
  margin: 0;
  color: var(--text-secondary);
}

.product-specs {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.product-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--primary-color);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
}

.product-link:hover {
  color: var(--hover-color);
}

/* ===== 解决方案 ===== */
.solutions {
  background: linear-gradient(135deg, #0f3d23, #1f5a3f);
  color: white;
}

.solutions .section-header h2,
.solutions .section-header p {
  color: white;
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--spacing-xl);
}

.solution-card {
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  display: grid;
  gap: var(--spacing-md);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.solution-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.solution-card h3 {
  margin: 0;
  color: white;
}

.solution-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.8);
}

.solution-card .check-list li {
  color: rgba(255, 255, 255, 0.85);
}

.solution-card .check-list li::before {
  color: rgba(255, 255, 255, 0.9);
}

.solution-link {
  color: white;
  text-decoration: none;
  font-weight: var(--font-weight-semibold);
}

.solution-link:hover {
  color: var(--accent-color);
}

/* ===== 智能制造 ===== */
.manufacturing {
  background: var(--light-color);
}

.manufacturing .section-wrapper {
  gap: var(--spacing-2xl);
}

.manufacturing .split-layout {
  background: white;
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(46, 139, 87, 0.08);
}

.manufacturing .content-lead {
  margin-bottom: var(--spacing-lg);
}

.manufacturing .metrics-grid {
  gap: var(--spacing-xl);
}

.manufacturing .metric-item {
  border-top-color: rgba(46, 139, 87, 0.6);
}

/* ===== 服务流程 ===== */
.process {
  background: white;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--spacing-lg);
}

.process-step {
  background: var(--light-color);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  text-align: left;
  position: relative;
  box-shadow: var(--shadow-sm);
  display: grid;
  gap: var(--spacing-sm);
}

.process-step__number {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--primary-color);
  color: white;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
}

.process-step h3 {
  margin: 0;
  font-size: var(--font-size-lg);
}

.process-step p {
  margin: 0;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

/* ===== 合作伙伴 ===== */
.partners {
  background: var(--light-color);
}

.partner-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: var(--spacing-lg);
  align-items: center;
}

.partner-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-secondary);
  letter-spacing: 1px;
}

/* ===== 新闻动态 ===== */
.insights {
  background: white;
}

.insights-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--spacing-xl);
}

.insight-card {
  background: var(--light-color);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-rows: 220px 1fr;
}

.insight-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.insight-body {
  padding: var(--spacing-xl);
  display: grid;
  gap: var(--spacing-md);
}

.insight-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: var(--font-size-xs);
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--primary-color);
}

.insight-body h3 {
  margin: 0;
}

.insight-body p {
  margin: 0;
  color: var(--text-secondary);
}

.insight-link {
  color: var(--primary-color);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
}

.insight-link:hover {
  color: var(--hover-color);
}

/* ===== 联系我们 ===== */
.contact-section {
  background: linear-gradient(135deg, rgba(46, 139, 87, 0.08), rgba(46, 139, 87, 0.02));
}

.contact-wrapper {
  display: grid;
  gap: var(--spacing-2xl);
}

.contact-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.8fr);
  gap: var(--spacing-2xl);
  align-items: stretch;
}

.cta-panel .btn {
  min-width: 160px;
}

.contact-summary {
  gap: var(--spacing-lg);
}

.contact-form {
  background: white;
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  display: grid;
  gap: var(--spacing-lg);
}

.contact-form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--spacing-xl);
}

.contact-form .form-group {
  margin: 0;
  display: grid;
  gap: var(--spacing-xs);
}

.contact-form .form-group label {
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.contact-form .btn {
  justify-self: flex-start;
  padding: var(--spacing-md) var(--spacing-xl);
}

/* ===== 响应式处理 ===== */
@media (max-width: 1200px) {
  .value-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .product-grid,
  .solutions-grid,
  .insights-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .partner-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .contact-top {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  section {
    padding: var(--spacing-2xl) 0;
  }

  .section-wrapper {
    gap: var(--spacing-xl);
  }

  .hero-container {
    padding: var(--spacing-3xl) var(--container-padding);
  }

  .value-grid,
  .product-grid,
  .solutions-grid,
  .insights-grid,
  .process-steps,
  .partner-grid {
    grid-template-columns: 1fr;
  }

  .process-step {
    text-align: left;
  }

  .contact-form {
    padding: var(--spacing-xl);
  }

  .contact-form-row {
    grid-template-columns: 1fr;
  }
}