/* ============================================
   Home CSS - 首页样式
   ============================================ */

/* ---- Hero Banner ---- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-color: var(--color-bg-dark);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(26, 26, 46, 0.85) 0%,
    rgba(26, 58, 107, 0.7) 50%,
    rgba(26, 26, 46, 0.75) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #ffffff;
  max-width: 900px;
  padding: 0 var(--spacing-lg);
}

.hero-tag {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: #ffffff;
  margin-top: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  padding: 0.45rem 1.5rem;
  border-radius: 20px;
  background-color: var(--color-primary);
  box-shadow: 0 2px 12px rgba(212, 35, 42, 0.35);
}

.hero-title {
  font-size: 3.25rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero-title .highlight {
  color: var(--color-primary-light);
}

.hero-subtitle {
  font-size: 1.25rem;
  font-weight: 400;
  opacity: 0.9;
  margin-bottom: var(--spacing-xl);
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

/* 底部数据条 */
.hero-stats {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(26, 26, 46, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  z-index: 3;
}

.hero-stats-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0;
}

.stat-item {
  text-align: center;
  padding: 1.5rem 1rem;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
}

.stat-item:last-child {
  border-right: none;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: #ffffff;
  line-height: 1;
  margin-bottom: 0.375rem;
}

.stat-number .stat-unit {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-primary-light);
}

.stat-label {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
}

/* ---- 关于我们摘要 ---- */
.home-about {
  padding: var(--spacing-3xl) 0;
}

.home-about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.home-about-text .slogan {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
  font-style: italic;
}

.home-about-text .desc {
  font-size: 1rem;
  line-height: 2;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
}

.home-about-text .btn {
  margin-top: 0.5rem;
}

/* 视频入口 */
.home-about-video {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background-color: var(--color-bg-dark);
  box-shadow: var(--shadow-lg);
}

.home-about-video img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 72px;
  height: 72px;
  background-color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: 0 4px 20px rgba(212, 35, 42, 0.4);
}

.video-play-btn:hover {
  transform: translate(-50%, -50%) scale(1.1);
  background-color: var(--color-primary-dark);
}

.video-play-btn svg {
  width: 28px;
  height: 28px;
  fill: #ffffff;
  margin-left: 4px;
}

/* 核心数据卡片 */
.data-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-2xl);
}

.data-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  text-align: center;
  transition: all var(--transition-base);
}

.data-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.data-card-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--spacing-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-md);
}

.data-card-icon svg {
  width: 24px;
  height: 24px;
  fill: #ffffff;
}

.data-card-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-secondary);
}

.data-card-label {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-top: 0.25rem;
}

/* ---- 产品概览 ---- */
.home-products {
  background-color: var(--color-bg-light);
  padding: var(--spacing-3xl) 0;
}

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

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

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

.product-card-img {
  position: relative;
  aspect-ratio: 1;
  background-color: #f8f8f8;
  overflow: hidden;
}

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

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

.product-card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 1rem;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.product-card:hover .product-card-overlay {
  opacity: 1;
}

.product-card-overlay span {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.9);
}

.product-card-info {
  padding: 1rem 1.25rem 1.25rem;
}

.product-card-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.product-card-tag {
  font-size: 0.8125rem;
  color: var(--color-text-lighter);
}

/* ---- 加工能力摘要 ---- */
.home-capabilities {
  padding: var(--spacing-3xl) 0;
}

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

.capability-item {
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.capability-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.capability-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(212, 35, 42, 0.08), rgba(26, 58, 107, 0.08));
  border-radius: 50%;
}

.capability-icon svg {
  width: 32px;
  height: 32px;
  fill: var(--color-secondary);
}

.capability-item h3 {
  font-size: 1.0625rem;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.capability-item p {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ---- 联系信息 ---- */
.home-contact {
  background: linear-gradient(135deg, var(--color-secondary-dark) 0%, var(--color-secondary) 100%);
  padding: var(--spacing-3xl) 0;
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.home-contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.04)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  pointer-events: none;
}

.home-contact .section-title {
  color: #ffffff;
}

.home-contact .section-title::after {
  margin-left: auto;
  margin-right: auto;
}

.home-contact .section-subtitle {
  color: rgba(255, 255, 255, 0.7);
}

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

.contact-info-card {
  background-color: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  text-align: center;
  transition: all var(--transition-base);
}

.contact-info-card:hover {
  background-color: rgba(255, 255, 255, 0.12);
  transform: translateY(-4px);
}

.contact-info-card svg {
  width: 36px;
  height: 36px;
  fill: var(--color-primary-light);
  margin-bottom: var(--spacing-sm);
}

.contact-info-card h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.contact-info-card p {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
}

.home-contact-cta {
  text-align: center;
  margin-top: var(--spacing-2xl);
  position: relative;
}

/* ---- 响应式 ---- */
@media (max-width: 1023px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.0625rem;
  }

  .home-about-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

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

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

  .home-contact-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }

  .stat-number {
    font-size: 2rem;
  }
}

@media (max-width: 767px) {
  .hero {
    min-height: 500px;
  }

  .hero-title {
    font-size: 1.875rem;
  }

  .hero-subtitle {
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-lg);
  }

  .hero-actions {
    flex-direction: column;
    gap: 0.75rem;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 280px;
  }

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

  .stat-item {
    padding: 1rem 0.5rem;
  }

  .stat-item:nth-child(2) {
    border-right: none;
  }

  .stat-item:nth-child(1),
  .stat-item:nth-child(2) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .stat-number {
    font-size: 1.75rem;
  }

  .stat-label {
    font-size: 0.75rem;
  }

  .data-cards {
    grid-template-columns: 1fr 1fr;
  }

  .products-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
  }

  .capabilities-grid {
    grid-template-columns: 1fr;
  }
}