/* ============================================================
   青岛三合容器集团有限公司 - 组件样式
   ============================================================ */

@import url('global.css');

/* ========== 导航栏 ========== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--color-primary);
  color: var(--color-text-light);
  padding: var(--spacing-md) 0;
  box-shadow: var(--box-shadow-md);
  z-index: 1000;
}

.navbar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.navbar-brand {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-light);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-direction: column;
  align-items: flex-start;
}

.navbar-brand:hover {
  color: var(--color-secondary);
  text-decoration: none;
}

.navbar-brand small {
  font-size: var(--font-size-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
}

.navbar-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  margin: 0;
  padding: 0;
}

.navbar-item {
  position: relative;
}

.navbar-link {
  color: var(--color-text-light);
  text-decoration: none;
  padding: var(--spacing-sm) var(--spacing-md);
  display: block;
  transition: all var(--transition-fast);
  font-weight: var(--font-weight-medium);
}

.navbar-link:hover {
  color: var(--color-secondary);
  background-color: rgba(244, 123, 32, 0.1);
  text-decoration: none;
}

/* 下拉菜单 */
.navbar-submenu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--color-primary-dark);
  list-style: none;
  min-width: 200px;
  padding: var(--spacing-sm) 0;
  margin: 0;
  border-radius: var(--border-radius-md);
  box-shadow: var(--box-shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
  z-index: 1001;
}

.navbar-item:hover .navbar-submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.navbar-submenu-item {
  padding: 0;
}

.navbar-submenu-link {
  color: var(--color-text-light);
  text-decoration: none;
  padding: var(--spacing-sm) var(--spacing-lg);
  display: block;
  transition: all var(--transition-fast);
  font-weight: var(--font-weight-normal);
}

.navbar-submenu-link:hover {
  background-color: rgba(244, 123, 32, 0.2);
  padding-left: calc(var(--spacing-lg) + var(--spacing-sm));
  color: var(--color-secondary);
  text-decoration: none;
}

/* 移动菜单按钮 */
.navbar-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text-light);
  font-size: var(--font-size-xl);
  cursor: pointer;
  padding: var(--spacing-sm);
}

/* 响应式导航栏 */
@media (max-width: 768px) {
  .navbar-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-primary-dark);
    gap: 0;
    padding: var(--spacing-md) 0;
  }

  .navbar-menu.active {
    display: flex;
  }

  .navbar-toggle {
    display: block;
  }

  .navbar-item {
    width: 100%;
  }

  .navbar-link {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .navbar-submenu {
    position: static;
    opacity: 0;
    visibility: hidden;
    max-height: 0;
    overflow: hidden;
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 0;
    box-shadow: none;
    transform: none;
    transition: all var(--transition-fast);
  }

  .navbar-item:hover .navbar-submenu {
    opacity: 1;
    visibility: visible;
    max-height: 500px;
  }

  .navbar-submenu-link {
    padding-left: calc(var(--spacing-lg) + var(--spacing-lg));
  }
}

/* ========== 页脚 ========== */

.footer {
  background-color: var(--color-background-dark);
  color: var(--color-text-light);
  padding: var(--spacing-xl) 0 var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

.footer-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
}

.footer-section ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-section li {
  margin-bottom: var(--spacing-sm);
}

.footer-section a {
  color: var(--color-text-light);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-section a:hover {
  color: var(--color-secondary);
  text-decoration: underline;
}

.footer-divider {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin: var(--spacing-lg) 0;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-lg);
}

.footer-copyright {
  font-size: var(--font-size-sm);
  color: var(--color-text-hint);
}

.footer-social {
  display: flex;
  gap: var(--spacing-md);
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-full);
  color: var(--color-text-light);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background-color: var(--color-secondary);
  color: var(--color-text-dark);
  text-decoration: none;
}

/* 响应式页脚 */
@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-md);
  }
}

@media (max-width: 576px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    text-align: center;
  }
}

/* ========== 页面主体 ========== */

main {
  margin-top: 80px; /* 为固定导航栏留出空间 */
  min-height: calc(100vh - 80px);
}

/* ========== 英雄区域 ========== */

.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-text-light);
  padding: var(--spacing-2xl) var(--spacing-md);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="1200" height="600" fill="url(%23grid)"/></svg>');
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.hero h1 {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-light);
}

.hero p {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-lg);
  color: rgba(255, 255, 255, 0.9);
}

/* ========== 分区 ========== */

.section {
  padding: var(--spacing-2xl) var(--spacing-md);
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-title h2 {
  position: relative;
  display: inline-block;
  padding-bottom: var(--spacing-md);
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--border-radius-full);
}

/* ========== 特性卡片 ========== */

.feature-card {
  text-align: center;
  padding: var(--spacing-lg);
  background-color: var(--color-background-light);
  border-radius: var(--border-radius-md);
  box-shadow: var(--box-shadow-sm);
  transition: all var(--transition-base);
}

.feature-card:hover {
  box-shadow: var(--box-shadow-lg);
  transform: translateY(-8px);
}

.feature-icon {
  font-size: var(--font-size-4xl);
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
}

.feature-card h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.feature-card p {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

/* ========== 产品展示 ========== */

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

@media (max-width: 768px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
}

.product-card {
  background-color: var(--color-background-light);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--box-shadow-sm);
  transition: all var(--transition-base);
}

.product-card:hover {
  box-shadow: var(--box-shadow-lg);
  transform: translateY(-4px);
}

.product-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  overflow: hidden;
}

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

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

.product-info {
  padding: var(--spacing-lg);
}

.product-info h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.product-info p {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-md);
}

/* ========== 表单 ========== */

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-dark);
}

.form-control {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-base);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
  font-family: var(--font-family-primary);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 64, 128, 0.1);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* ========== 面包屑导航 ========== */

.breadcrumb {
  display: flex;
  list-style: none;
  margin: var(--spacing-lg) 0;
  padding: 0;
  gap: var(--spacing-sm);
}

.breadcrumb-item {
  color: var(--color-text-muted);
}

.breadcrumb-item + .breadcrumb-item::before {
  content: '/';
  margin-right: var(--spacing-sm);
  color: var(--color-text-hint);
}

.breadcrumb-item a {
  color: var(--color-primary);
  text-decoration: none;
}

.breadcrumb-item a:hover {
  color: var(--color-secondary);
  text-decoration: underline;
}

.breadcrumb-item.active {
  color: var(--color-text-dark);
}

/* ========== 工业主题扩展组件 ========== */

.section-gradient {
  background: linear-gradient(135deg, rgba(0, 64, 128, 0.08) 0%, rgba(244, 123, 32, 0.08) 100%);
  position: relative;
  overflow: hidden;
}

.section-gradient::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../images/texture_metal_surface_2.jpg');
  background-size: cover;
  opacity: 0.08;
  mix-blend-mode: multiply;
}

.section-dark {
  background-color: var(--color-primary-dark);
  color: var(--color-text-light);
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4,
.section-dark h5,
.section-dark p {
  color: var(--color-text-light);
}

.section-tagline {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.24em;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-sm);
}

.section-tagline::before {
  content: '';
  display: inline-block;
  width: 32px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-secondary));
}

.section-description {
  max-width: 760px;
  margin: 0 auto var(--spacing-xl);
  color: var(--color-text-muted);
  font-size: var(--font-size-lg);
}

.card {
  background: rgba(255, 255, 255, 0.96);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(0, 64, 128, 0.1);
  box-shadow: var(--box-shadow-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
}

.card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid transparent;
  background: linear-gradient(135deg, rgba(0, 64, 128, 0.2), rgba(244, 123, 32, 0.2)) border-box;
  mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

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

.card:hover::after {
  opacity: 0.6;
}

.card-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid rgba(0, 64, 128, 0.08);
  background: linear-gradient(135deg, rgba(0, 64, 128, 0.08), rgba(244, 123, 32, 0.08));
}

.card-body {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  flex: 1;
}

.card-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid rgba(0, 64, 128, 0.08);
  background: rgba(0, 64, 128, 0.04);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

@media (max-width: 992px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

.stat-card {
  position: relative;
  padding: var(--spacing-xl) var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  background: linear-gradient(160deg, rgba(0, 64, 128, 0.95), rgba(0, 64, 128, 0.75));
  color: var(--color-text-light);
  text-align: center;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(244, 123, 32, 0.3), transparent 55%);
  opacity: 0.8;
}

.stat-card strong {
  position: relative;
  z-index: 1;
  display: block;
  font-size: 48px;
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.02em;
}

.stat-card span {
  position: relative;
  z-index: 1;
  display: block;
  margin-top: var(--spacing-sm);
  font-size: var(--font-size-sm);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.75);
}

.grid-simple {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

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

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 992px) {
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.glow-card {
  position: relative;
  border-radius: var(--border-radius-lg);
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(0, 64, 128, 0.12);
  box-shadow: var(--box-shadow-sm);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.glow-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(140deg, rgba(91, 140, 217, 0.28), rgba(244, 123, 32, 0.2));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

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

.glow-card .card-body {
  position: relative;
}

.three-panel {
  display: grid;
  gap: var(--spacing-xl);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
}

.three-panel-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.three-canvas-wrapper {
  position: relative;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-xl);
  background: radial-gradient(circle at 20% 20%, rgba(91, 140, 217, 0.28), transparent 55%), rgba(7, 23, 38, 0.92);
  box-shadow: var(--box-shadow-lg);
}

.three-canvas {
  width: 100%;
  max-width: 520px;
  height: 360px;
  display: block;
  margin: 0 auto;
}

.process-flow-wrapper {
  width: 100%;
  min-height: 320px;
  border-radius: var(--border-radius-xl);
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(0, 64, 128, 0.1);
  box-shadow: var(--box-shadow-sm);
  padding: var(--spacing-lg);
}

.process-flow-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  justify-content: center;
  margin-top: var(--spacing-lg);
  color: var(--color-text-muted);
}

.legend-dot {
  display: inline-flex;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin-right: var(--spacing-xs);
}

.metric-pair {
  display: flex;
  gap: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.metric-card {
  flex: 1;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(0, 64, 128, 0.12);
  box-shadow: var(--box-shadow-sm);
  text-align: center;
}

.metric-card strong {
  display: block;
  font-size: var(--font-size-3xl);
  color: var(--color-primary);
}

.metric-card span {
  display: block;
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.download-card {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-xl);
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(0, 64, 128, 0.12);
  box-shadow: var(--box-shadow-sm);
  align-items: center;
}

.download-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--border-radius-lg);
}

.download-card-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.download-card-actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  align-items: flex-start;
}

@media (max-width: 992px) {
  .three-panel {
    grid-template-columns: 1fr;
  }

  .three-canvas {
    max-width: none;
    height: 320px;
  }

  .download-card {
    grid-template-columns: 1fr;
    text-align: left;
  }
}

@media (max-width: 576px) {
  .three-canvas {
    height: 260px;
  }

  .metric-pair {
    flex-direction: column;
  }

  .download-card {
    gap: var(--spacing-md);
  }
}

@media (max-width: 576px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

.icon-badge {
  width: 56px;
  height: 56px;
  border-radius: var(--border-radius-md);
  background: linear-gradient(120deg, rgba(244, 123, 32, 0.15), rgba(0, 64, 128, 0.25));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  color: var(--color-secondary);
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--spacing-md);
}

.feature-list li {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  background: rgba(0, 64, 128, 0.05);
}

.feature-list strong {
  color: var(--color-primary);
}

.feature-index {
  width: 36px;
  height: 36px;
  border-radius: var(--border-radius-full);
  background-color: var(--color-primary);
  color: var(--color-text-light);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-semibold);
  flex-shrink: 0;
}

.highlight-metric {
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  background: linear-gradient(135deg, rgba(0, 64, 128, 0.08), rgba(244, 123, 32, 0.08));
  border: 1px solid rgba(0, 64, 128, 0.08);
}

.highlight-metric strong {
  display: block;
  font-size: var(--font-size-3xl);
  color: var(--color-primary);
}

.highlight-metric span {
  display: block;
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-xl) 0;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--box-shadow-sm);
  background: rgba(255, 255, 255, 0.95);
}

.data-table thead {
  background: linear-gradient(135deg, rgba(0, 64, 128, 0.95), rgba(0, 64, 128, 0.75));
  color: var(--color-text-light);
}

.data-table th,
.data-table td {
  padding: var(--spacing-md);
  border-bottom: 1px solid rgba(0, 64, 128, 0.08);
  text-align: left;
}

.data-table tbody tr:hover {
  background: rgba(0, 64, 128, 0.05);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0 var(--spacing-md);
  height: 32px;
  border-radius: var(--border-radius-full);
  background-color: rgba(0, 64, 128, 0.08);
  color: var(--color-primary);
  font-size: var(--font-size-sm);
}

.badge .badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: currentColor;
}

.badge-secondary {
  background-color: rgba(244, 123, 32, 0.15);
  color: var(--color-secondary);
}

.timeline {
  position: relative;
  padding-left: var(--spacing-xl);
  margin: var(--spacing-xl) 0;
  border-left: 2px dashed rgba(0, 64, 128, 0.2);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-xl);
  padding-left: var(--spacing-lg);
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-item::before {
  content: attr(data-year);
  position: absolute;
  left: calc(-1 * var(--spacing-xl));
  top: 0;
  transform: translateX(-50%);
  width: 84px;
  height: 32px;
  border-radius: var(--border-radius-full);
  background-color: var(--color-background-light);
  border: 2px solid var(--color-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-secondary);
}

.timeline-item::after {
  content: '';
  position: absolute;
  left: calc(-1 * var(--spacing-lg));
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid var(--color-text-light);
  box-shadow: 0 0 0 6px rgba(0, 64, 128, 0.15);
}

.process-steps {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 992px) {
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .process-steps {
    grid-template-columns: 1fr;
  }
}

.process-step-card {
  position: relative;
  padding: var(--spacing-xl) var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(0, 64, 128, 0.08);
  box-shadow: var(--box-shadow-sm);
}

.process-step-card::before {
  content: attr(data-step);
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: rgba(0, 64, 128, 0.15);
}

.document-wall {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 992px) {
  .document-wall {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .document-wall {
    grid-template-columns: 1fr;
  }
}

.document-card {
  text-align: center;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(0, 64, 128, 0.12);
  box-shadow: var(--box-shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.document-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-md);
}

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

.gallery-grid {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 992px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }
}

.gallery-grid img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow-md);
}

.contact-card {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 992px) {
  .contact-card {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .contact-card {
    grid-template-columns: 1fr;
  }
}

.contact-item {
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(0, 64, 128, 0.12);
  box-shadow: var(--box-shadow-md);
}

.contact-icon {
  width: 72px;
  height: 72px;
  border-radius: var(--border-radius-full);
  background: linear-gradient(135deg, rgba(244, 123, 32, 0.2), rgba(0, 64, 128, 0.3));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--box-shadow-sm);
}

.quote-card {
  position: relative;
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-xl);
  background: linear-gradient(150deg, rgba(0, 64, 128, 0.08), rgba(244, 123, 32, 0.12));
  overflow: hidden;
}

.quote-card::before {
  content: '“';
  position: absolute;
  top: -10px;
  left: 24px;
  font-size: 120px;
  color: rgba(0, 64, 128, 0.12);
  font-weight: var(--font-weight-bold);
  font-family: var(--font-family-mono);
}

.brand-logos {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: repeat(5, 1fr);
  align-items: center;
}

@media (max-width: 992px) {
  .brand-logos {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 576px) {
  .brand-logos {
    grid-template-columns: repeat(2, 1fr);
  }
}

.brand-logos img {
  width: 100%;
  max-width: 140px;
  margin: 0 auto;
  filter: grayscale(1);
  opacity: 0.6;
  transition: all var(--transition-fast);
}

.brand-logos img:hover {
  filter: grayscale(0);
  opacity: 1;
  transform: translateY(-4px);
}

.accordion {
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(0, 64, 128, 0.1);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--box-shadow-sm);
}

.accordion-item + .accordion-item {
  border-top: 1px solid rgba(0, 64, 128, 0.08);
}

.accordion-button {
  width: 100%;
  padding: var(--spacing-lg);
  background: transparent;
  border: none;
  text-align: left;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
  cursor: pointer;
}

.accordion-icon {
  transition: transform var(--transition-fast);
}

.accordion-item.active .accordion-icon {
  transform: rotate(45deg);
}

.accordion-content {
  display: none;
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  color: var(--color-text-muted);
}

.accordion-item.active .accordion-content {
  display: block;
}

.case-grid {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 992px) {
  .case-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .case-grid {
    grid-template-columns: 1fr;
  }
}

.case-card {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(0, 64, 128, 0.08);
  box-shadow: var(--box-shadow-md);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.case-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.case-card-content {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  flex: 1;
}

.case-meta {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  font-size: var(--font-size-sm);
  color: var(--color-text-hint);
}

.cta-banner {
  position: relative;
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-xl);
  background: linear-gradient(135deg, rgba(0, 64, 128, 0.95), rgba(0, 64, 128, 0.8));
  color: var(--color-text-light);
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: 3fr 2fr;
  align-items: center;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../images/background_tech_blue.jpg');
  opacity: 0.18;
  mix-blend-mode: screen;
}

.cta-banner-content,
.cta-banner-actions {
  position: relative;
  z-index: 1;
}

.cta-banner-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

@media (max-width: 992px) {
  .cta-banner {
    grid-template-columns: 1fr;
  }

  .cta-banner-actions {
    justify-content: flex-start;
  }
}

.news-grid {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 992px) {
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .news-grid {
    grid-template-columns: 1fr;
  }
}

.news-card {
  border-radius: var(--border-radius-lg);
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(0, 64, 128, 0.08);
  box-shadow: var(--box-shadow-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.news-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.news-card-content {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  flex: 1;
}

.news-card-footer {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.job-grid {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 768px) {
  .job-grid {
    grid-template-columns: 1fr;
  }
}

.job-card {
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(0, 64, 128, 0.1);
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--box-shadow-sm);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.job-meta {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  font-size: var(--font-size-sm);
  color: var(--color-text-hint);
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(0, 64, 128, 0.1);
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--box-shadow-sm);
}

.tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--spacing-sm);
  height: 28px;
  border-radius: var(--border-radius-full);
  background-color: rgba(0, 64, 128, 0.08);
  color: var(--color-primary);
  font-size: var(--font-size-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.tag-success {
  background-color: rgba(39, 174, 96, 0.15);
  color: #1e8449;
}

.tag-warning {
  background-color: rgba(243, 156, 18, 0.18);
  color: #935116;
}

.tag-danger {
  background-color: rgba(231, 76, 60, 0.18);
  color: #922b21;
}

.awards-grid {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 992px) {
  .awards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .awards-grid {
    grid-template-columns: 1fr;
  }
}

.award-card {
  text-align: center;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(0, 64, 128, 0.08);
  box-shadow: var(--box-shadow-sm);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.award-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--border-radius-md);
}

.structure-grid {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 992px) {
  .structure-grid {
    grid-template-columns: 1fr;
  }
}

.structure-card {
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(0, 64, 128, 0.08);
  box-shadow: var(--box-shadow-sm);
}

.history-hero {
  position: relative;
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  background: url('../images/history_old_factory_1.jpg') center/cover no-repeat;
  color: var(--color-text-light);
  padding: var(--spacing-2xl) var(--spacing-xl);
}

.history-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 64, 128, 0.85), rgba(0, 64, 128, 0.35));
}

.history-hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.case-detail-hero {
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  margin-bottom: var(--spacing-xl);
}

.case-detail-hero img {
  width: 100%;
  height: 340px;
  object-fit: cover;
}

.case-detail-content {
  display: grid;
  gap: var(--spacing-xl);
  grid-template-columns: 2fr 1fr;
}

@media (max-width: 992px) {
  .case-detail-content {
    grid-template-columns: 1fr;
  }
}

.case-highlight {
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(0, 64, 128, 0.08);
  box-shadow: var(--box-shadow-sm);
}

.news-article {
  display: grid;
  gap: var(--spacing-xl);
  grid-template-columns: 3fr 1fr;
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-xl);
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(0, 64, 128, 0.08);
  box-shadow: var(--box-shadow-md);
}

@media (max-width: 992px) {
  .news-article {
    grid-template-columns: 1fr;
  }
}

.news-info {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  font-size: var(--font-size-sm);
  color: var(--color-text-hint);
}

.news-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.faq-grid {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 992px) {
  .faq-grid {
    grid-template-columns: 1fr;
  }
}

.faq-card {
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(0, 64, 128, 0.1);
  box-shadow: var(--box-shadow-sm);
}

.team-grid {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 992px) {
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .team-grid {
    grid-template-columns: 1fr;
  }
}

.team-card {
  text-align: center;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(0, 64, 128, 0.1);
  box-shadow: var(--box-shadow-sm);
}

.team-card img {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: var(--border-radius-full);
  border: 4px solid rgba(244, 123, 32, 0.35);
  margin-bottom: var(--spacing-md);
}

.csr-grid {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 992px) {
  .csr-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .csr-grid {
    grid-template-columns: 1fr;
  }
}

.csr-card {
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(0, 64, 128, 0.08);
  box-shadow: var(--box-shadow-sm);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-map {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--box-shadow-md);
  border: 1px solid rgba(0, 64, 128, 0.1);
}

.metric-bar {
  position: relative;
  height: 6px;
  border-radius: var(--border-radius-full);
  background: rgba(0, 64, 128, 0.1);
  overflow: hidden;
}

.metric-bar span {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-primary));
}

.kpi-grid {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 992px) {
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .kpi-grid {
    grid-template-columns: 1fr;
  }
}

.kpi-card {
  text-align: center;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(0, 64, 128, 0.08);
  box-shadow: var(--box-shadow-sm);
}

.kpi-card strong {
  display: block;
  font-size: 40px;
  color: var(--color-primary);
}

.kpi-card span {
  display: block;
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-industrial {
  position: relative;
  overflow: hidden;
  padding: calc(var(--spacing-2xl) + 48px) var(--spacing-md) var(--spacing-2xl);
  background: linear-gradient(120deg, rgba(0, 64, 128, 0.96), rgba(0, 64, 128, 0.8));
  color: var(--color-text-light);
}

.hero-industrial::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../images/background_heavy_industry.jpg') center/cover no-repeat;
  opacity: 0.28;
  mix-blend-mode: screen;
}

.hero-industrial::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 400" opacity="0.12"><defs><pattern id="hex" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 20 0 L 40 10 L 40 30 L 20 40 L 0 30 L 0 10 Z" fill="none" stroke="%23ffffff" stroke-width="1.2"/></pattern></defs><rect width="600" height="400" fill="url(%23hex)"/></svg>');
  mix-blend-mode: overlay;
}

.hero-industrial .hero-content {
  position: relative;
  z-index: 1;
  max-width: 960px;
  margin: 0 auto;
  text-align: left;
}

.hero-title {
  font-size: 56px;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-light);
}

@media (max-width: 768px) {
  .hero-title {
    font-size: var(--font-size-4xl);
  }
}

.hero-description {
  font-size: var(--font-size-xl);
  color: rgba(255, 255, 255, 0.82);
  max-width: 640px;
  margin-bottom: var(--spacing-xl);
}

.hero-actions {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.hero-badges {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  margin-top: var(--spacing-xl);
}

.hero-badges .badge {
  background-color: rgba(255, 255, 255, 0.12);
  color: var(--color-text-light);
}

.page-hero {
  padding: var(--spacing-2xl) var(--spacing-md) var(--spacing-xl);
  background: linear-gradient(120deg, rgba(0, 64, 128, 0.95), rgba(0, 64, 128, 0.75));
  color: var(--color-text-light);
  border-radius: 0 0 var(--border-radius-2xl, 32px)  var(--border-radius-2xl, 32px);
  position: relative;
  overflow: hidden;
  margin-bottom: var(--spacing-2xl);
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../images/background_tech_abstract.jpg');
  opacity: 0.18;
  mix-blend-mode: screen;
}

.page-hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--container-max-width);
  margin: 0 auto;
  display: grid;
  gap: var(--spacing-xl);
  grid-template-columns: 2fr 1fr;
  align-items: center;
}

@media (max-width: 992px) {
  .page-hero-content {
    grid-template-columns: 1fr;
    text-align: left;
  }
}

.page-hero h1 {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

.page-hero p {
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--font-size-lg);
}

.page-hero-stats {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  justify-content: flex-end;
}

@media (max-width: 992px) {
  .page-hero-stats {
    justify-content: flex-start;
  }
}

.page-hero-stat {
  text-align: center;
  min-width: 140px;
}

.page-hero-stat strong {
  display: block;
  font-size: var(--font-size-3xl);
  color: var(--color-secondary);
  margin-bottom: var(--spacing-xs);
}

.page-hero-stat span {
  display: block;
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.feature-card-advanced {
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-xl);
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(0, 64, 128, 0.08);
  box-shadow: var(--box-shadow-sm);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.feature-card-advanced h3 {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.feature-card-advanced h3 span {
  width: 42px;
  height: 42px;
  border-radius: var(--border-radius-full);
  background: linear-gradient(120deg, rgba(0, 64, 128, 0.15), rgba(244, 123, 32, 0.25));
  color: var(--color-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.specs-grid {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 992px) {
  .specs-grid {
    grid-template-columns: 1fr;
  }
}

.spec-card {
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(0, 64, 128, 0.08);
  box-shadow: var(--box-shadow-sm);
}

.spec-card h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.spec-card ul {
  margin: 0;
  padding-left: var(--spacing-lg);
}

.split-layout {
  display: grid;
  gap: var(--spacing-2xl);
  grid-template-columns: repeat(2, 1fr);
  align-items: center;
}

@media (max-width: 992px) {
  .split-layout {
    grid-template-columns: 1fr;
  }
}

.metric-strip {
  display: flex;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
}

.metric-strip-item {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.metric-strip-item strong {
  font-size: 36px;
  color: var(--color-secondary);
}

.metric-strip-item span {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.support-grid {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 992px) {
  .support-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .support-grid {
    grid-template-columns: 1fr;
  }
}

.support-card {
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(0, 64, 128, 0.08);
  box-shadow: var(--box-shadow-sm);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.calculator-card {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 768px) {
  .calculator-card {
    grid-template-columns: 1fr;
  }
}

.calculator-result {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--spacing-md);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  background: linear-gradient(160deg, rgba(0, 64, 128, 0.92), rgba(0, 64, 128, 0.7));
  color: var(--color-text-light);
  box-shadow: var(--box-shadow-md);
}

.calculator-output {
  font-size: 42px;
  font-weight: var(--font-weight-bold);
  line-height: 1;
}

.calculator-output small {
  display: block;
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.75);
}

.tab-nav {
  display: inline-flex;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  border-radius: var(--border-radius-full);
  background: rgba(0, 64, 128, 0.08);
  margin-bottom: var(--spacing-lg);
}

.tab-nav button {
  border: none;
  background: transparent;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tab-nav button.active {
  background: var(--color-primary);
  color: var(--color-text-light);
  box-shadow: var(--box-shadow-sm);
}

.tab-panel {
  display: none;
  animation: fadeIn var(--transition-base);
}

.tab-panel.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--transition-base), transform var(--transition-base);
}

[data-animate].in-view {
  opacity: 1;
  transform: translateY(0);
}

.pressure-gauge {
  position: relative;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  margin: 0 auto;
  background: radial-gradient(circle at center, #102840, #051021);
  box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.8), 0 10px 30px rgba(0, 0, 0, 0.35);
  border: 6px solid rgba(255, 255, 255, 0.08);
}

.pressure-gauge::after {
  content: '';
  position: absolute;
  inset: 16px;
  border-radius: 50%;
  border: 2px dashed rgba(255, 255, 255, 0.15);
}

.gauge-needle {
  position: absolute;
  bottom: 50%;
  left: 50%;
  width: 4px;
  height: 80px;
  background: linear-gradient(180deg, var(--color-secondary), var(--color-secondary-dark));
  transform-origin: bottom;
  transform: rotate(-120deg);
  transition: transform 0.4s ease;
}

.gauge-center {
  position: absolute;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-secondary);
  top: calc(50% - 12px);
  left: calc(50% - 12px);
  box-shadow: 0 0 12px rgba(244, 123, 32, 0.6);
}

.gauge-scale {
  position: absolute;
  inset: 12px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.gauge-scale span {
  position: absolute;
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.65);
  transform: translate(-50%, -50%);
}