/* ============================================
   杭州广耀工贸有限公司 - 首页工业力量主题样式
   ============================================ */

/* ========== 基础布局 ========== */
.section {
  position: relative;
  padding: var(--spacing-4xl) var(--spacing-lg);
}

@media (max-width: 768px) {
  .section {
    padding: var(--spacing-3xl) var(--spacing-md);
  }
}

/* ========== Hero 英雄区 ========== */
.hero {
  position: relative;
  min-height: 720px;
  display: flex;
  align-items: center;
  margin-top: 70px;
  overflow: hidden;
  color: var(--color-text-white);
}

.hero-media {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero-frame {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: saturate(1.15);
  opacity: 0;
  animation: heroFrames 30s infinite;
}

.frame-one {
  background-image: url('../images/factory-production-line-01.jpg');
  animation-delay: 0s;
}

.frame-two {
  background-image: url('../images/factory-assembly.jpg');
  animation-delay: 10s;
}

.frame-three {
  background-image: url('../images/factory-testing.jpg');
  animation-delay: 20s;
}

@keyframes heroFrames {
  0% { opacity: 0; transform: scale(1.05); }
  6% { opacity: 1; transform: scale(1); }
  28% { opacity: 1; transform: scale(1.02); }
  34% { opacity: 0; transform: scale(1.05); }
  100% { opacity: 0; transform: scale(1.05); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(12, 20, 26, 0.88) 20%, rgba(15, 23, 31, 0.6) 60%, rgba(28, 37, 46, 0.8) 100%);
  mix-blend-mode: multiply;
}

.hero-content {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: var(--spacing-3xl);
  z-index: 2;
  align-items: center;
  padding: var(--spacing-3xl) 0;
}

.hero-text {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-accent);
  background: rgba(255, 193, 7, 0.12);
  border: 1px solid rgba(255, 193, 7, 0.35);
  padding: 8px 18px;
  border-radius: var(--border-radius-full);
  width: max-content;
  backdrop-filter: blur(12px);
}

.hero-title {
  font-size: clamp(2.8rem, 4vw, 4.2rem);
  line-height: 1.1;
  letter-spacing: 1px;
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
  max-width: 720px;
}

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

.hero-actions .btn {
  min-width: 200px;
}

.hero-highlights {
  display: grid;
  gap: var(--spacing-md);
  background: rgba(12, 20, 26, 0.75);
  border: 1px solid rgba(96, 125, 139, 0.35);
  border-radius: var(--border-radius-2xl);
  padding: var(--spacing-lg) var(--spacing-xl);
  box-shadow: var(--box-shadow-metal);
}

.hero-highlight {
  display: grid;
  gap: var(--spacing-xs);
}

.highlight-label {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 2px;
  color: rgba(255, 255, 255, 0.65);
}

.highlight-value {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.92);
}

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

.hero-stat {
  position: relative;
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-2xl);
  background: linear-gradient(140deg, rgba(15, 23, 31, 0.9) 0%, rgba(38, 50, 56, 0.9) 100%);
  border: 1px solid rgba(96, 125, 139, 0.4);
  box-shadow: var(--box-shadow-metal);
}

.hero-stat::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  border: 1px solid rgba(255, 87, 34, 0.35);
  opacity: 0.4;
  pointer-events: none;
}

.stat-number {
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-accent);
  line-height: 1;
}

.stat-unit {
  margin-left: 4px;
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.85);
}

.stat-caption {
  margin-top: var(--spacing-md);
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.6;
}

.hero-gear {
  position: absolute;
  color: rgba(255, 255, 255, 0.12);
  pointer-events: none;
  animation: gearSpin 32s linear infinite;
}

.gear-lg {
  width: 280px;
  height: 280px;
  bottom: -80px;
  left: 6%;
}

.gear-sm {
  width: 180px;
  height: 180px;
  top: 18%;
  right: 10%;
  animation-duration: 26s;
}

@keyframes gearSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@media (max-width: 1024px) {
  .hero {
    min-height: auto;
    padding: var(--spacing-4xl) 0 var(--spacing-3xl);
  }

  .hero-content {
    grid-template-columns: 1fr;
  }

  .hero-insights {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  }

  .gear-sm {
    display: none;
  }
}

@media (max-width: 600px) {
  .hero-highlights {
    padding: var(--spacing-lg);
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }
}

/* ========== 产品矩阵 ========== */
.section-product-matrix {
  background: radial-gradient(circle at top left, rgba(255, 87, 34, 0.12), transparent 45%),
              radial-gradient(circle at bottom right, rgba(96, 125, 139, 0.12), transparent 50%);
}

.matrix-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-3xl);
}

.matrix-card {
  display: flex;
  flex-direction: column;
  background: rgba(255, 255, 255, 0.92);
  border-radius: var(--border-radius-2xl);
  overflow: hidden;
  border: 1px solid rgba(96, 125, 139, 0.2);
  box-shadow: 0 28px 50px rgba(17, 24, 39, 0.12);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.matrix-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 34px 60px rgba(17, 24, 39, 0.18);
}

.matrix-card-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

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

.matrix-card:hover .matrix-card-media img {
  transform: scale(1.08);
}

.matrix-card-body {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  padding: var(--spacing-2xl);
  color: var(--color-text-dark);
}

.matrix-label {
  font-size: var(--font-size-xs);
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-secondary);
  font-weight: var(--font-weight-semibold);
}

.matrix-card h3 {
  font-size: var(--font-size-3xl);
}

.matrix-card p {
  color: var(--color-text-medium);
  line-height: 1.8;
}

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

.matrix-list li {
  position: relative;
  padding-left: 26px;
  color: var(--color-text-medium);
  line-height: 1.7;
}

.matrix-list li::before {
  content: '';
  position: absolute;
  top: 10px;
  left: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 0 5px rgba(255, 87, 34, 0.15);
}

.matrix-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg) var(--spacing-2xl);
  border-top: 1px solid rgba(96, 125, 139, 0.15);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-base), padding-left var(--transition-base);
}

.matrix-link::after {
  content: '→';
  font-size: var(--font-size-lg);
  transition: transform var(--transition-base);
}

.matrix-link:hover {
  color: var(--color-hover);
  padding-left: calc(var(--spacing-2xl) + 6px);
}

.matrix-link:hover::after {
  transform: translateX(4px);
}

@media (max-width: 1024px) {
  .matrix-grid {
    grid-template-columns: 1fr;
  }
}

/* ========== 数字化供应链模块 ========== */
.section-digital {
  background: linear-gradient(120deg, rgba(15, 23, 31, 0.96) 0%, rgba(28, 37, 46, 0.94) 45%, rgba(55, 71, 79, 0.9) 100%);
  color: var(--color-text-white);
}

.digital-container {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: var(--spacing-3xl);
  align-items: center;
}

.digital-media {
  position: relative;
  border-radius: var(--border-radius-2xl);
  overflow: hidden;
  box-shadow: var(--box-shadow-metal);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.digital-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(12, 20, 26, 0) 0%, rgba(12, 20, 26, 0.6) 100%);
}

.digital-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.digital-content {
  display: grid;
  gap: var(--spacing-xl);
}

.digital-content h2 {
  font-size: var(--font-size-4xl);
}

.digital-content p {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.8;
}

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

.digital-list li {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
  padding: var(--spacing-md);
  background: rgba(12, 20, 26, 0.6);
  border-left: 4px solid rgba(255, 87, 34, 0.45);
  border-radius: var(--border-radius-xl);
  backdrop-filter: blur(6px);
}

.digital-list span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 140px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-accent);
}

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

@media (max-width: 1024px) {
  .digital-container {
    grid-template-columns: 1fr;
  }
}

/* ========== 工程案例轮播 ========== */
.section-cases {
  background-color: var(--color-background);
}

.case-carousel {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.case-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(320px, 380px);
  gap: var(--spacing-xl);
  overflow: hidden;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
}

.case-slide {
  display: flex;
  flex-direction: column;
  background: var(--color-background-light);
  border-radius: var(--border-radius-2xl);
  overflow: hidden;
  border: 1px solid rgba(96, 125, 139, 0.2);
  box-shadow: 0 24px 40px rgba(17, 24, 39, 0.12);
  scroll-snap-align: start;
}

.case-image {
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

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

.case-slide:hover .case-image img {
  transform: scale(1.08);
}

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

.case-tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  font-size: var(--font-size-xs);
  letter-spacing: 1px;
  text-transform: uppercase;
  background: rgba(255, 87, 34, 0.1);
  color: var(--color-primary);
  border-radius: var(--border-radius-full);
  width: max-content;
}

.case-body h3 {
  font-size: var(--font-size-2xl);
  color: var(--color-text-dark);
}

.case-body p {
  color: var(--color-text-medium);
  line-height: 1.8;
}

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

.case-link::after {
  content: '→';
  transition: transform var(--transition-base);
}

.case-link:hover::after {
  transform: translateX(4px);
}

.case-nav {
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius-full);
  border: 1px solid rgba(96, 125, 139, 0.35);
  background: rgba(255, 255, 255, 0.9);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
}

.case-nav:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  box-shadow: var(--box-shadow-hover);
}

.case-nav span {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  transform: rotate(135deg);
}

.case-nav.next span {
  transform: rotate(-45deg);
}

.case-progress {
  margin-top: var(--spacing-2xl);
  height: 4px;
  background: rgba(96, 125, 139, 0.2);
  border-radius: var(--border-radius-full);
  position: relative;
  overflow: hidden;
}

.case-progress-bar {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 20%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: inherit;
  transition: transform 0.4s ease, width 0.4s ease;
}

@media (max-width: 768px) {
  .case-carousel {
    flex-direction: column;
  }

  .case-track {
    grid-auto-columns: minmax(260px, 1fr);
  }

  .case-nav {
    display: none;
  }
}

/* ========== 技术支持入口 ========== */
.section-support {
  background: var(--color-background-light);
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-3xl);
}

.support-card {
  position: relative;
  display: grid;
  gap: var(--spacing-md);
  padding: var(--spacing-2xl);
  background: rgba(255, 255, 255, 0.95);
  border-radius: var(--border-radius-2xl);
  border: 1px solid rgba(96, 125, 139, 0.2);
  box-shadow: 0 22px 40px rgba(17, 24, 39, 0.12);
  color: inherit;
  text-decoration: none;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.support-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 26px 50px rgba(17, 24, 39, 0.16);
}

.support-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--border-radius-lg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-lg);
  color: var(--color-text-white);
  box-shadow: var(--box-shadow-metal);
}

.support-icon-orange { background: linear-gradient(135deg, #FF784E 0%, #FF5722 100%); }
.support-icon-slate { background: linear-gradient(135deg, #607D8B 0%, #455A64 100%); }
.support-icon-amber { background: linear-gradient(135deg, #FFC107 0%, #FF9800 100%); }
.support-icon-blue { background: linear-gradient(135deg, #0097A7 0%, #006064 100%); }

.support-card h3 {
  font-size: var(--font-size-2xl);
  color: var(--color-text-dark);
}

.support-card p {
  color: var(--color-text-medium);
  line-height: 1.7;
}

.support-link {
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
}

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

@media (max-width: 1200px) {
  .support-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .support-grid {
    grid-template-columns: 1fr;
  }
}

/* ========== 行业洞察 ========== */
.section-insights {
  background: radial-gradient(circle at 18% 24%, rgba(255, 87, 34, 0.08), transparent 50%),
              radial-gradient(circle at 82% 68%, rgba(96, 125, 139, 0.1), transparent 55%);
}

.insight-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-3xl);
}

.insight-card {
  display: flex;
  flex-direction: column;
  background: rgba(255, 255, 255, 0.95);
  border-radius: var(--border-radius-2xl);
  overflow: hidden;
  border: 1px solid rgba(96, 125, 139, 0.18);
  box-shadow: 0 24px 48px rgba(17, 24, 39, 0.12);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.insight-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 28px 55px rgba(17, 24, 39, 0.16);
}

.insight-image {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

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

.insight-card:hover .insight-image img {
  transform: scale(1.08);
}

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

.insight-body time {
  font-size: var(--font-size-sm);
  color: var(--color-secondary);
  letter-spacing: 1px;
}

.insight-body h3 {
  font-size: var(--font-size-xl);
  color: var(--color-text-dark);
  line-height: 1.6;
}

.insight-body p {
  color: var(--color-text-medium);
  line-height: 1.8;
}

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

.insight-link::after {
  content: '→';
  transition: transform var(--transition-base);
}

.insight-link:hover::after {
  transform: translateX(4px);
}

@media (max-width: 1024px) {
  .insight-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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