/* 设计可视化主页 */

.container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 3rem;
}

.dv-label {
  display: inline-block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: #d12b26;
  font-weight: 700;
  margin-bottom: 1rem;
}

/* Hero */
.dv-hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  overflow: hidden;
}

.dv-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;

}

.dv-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.15);
  z-index: 1;
}



.dv-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
}

.dv-hero-title {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 2rem;
  text-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
  letter-spacing: 0.02em;
}

.dv-hero-subtitle {
  font-size: 1.6rem;
  opacity: 0.95;
  margin-bottom: 3rem;
  text-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
  font-weight: 300;
  letter-spacing: 0.05em;
}

.dv-hero-tags {
  display: flex;
  gap: 1.2rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.dv-tag {
  padding: 0.8rem 2rem;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 40px;
  font-size: 1rem;
  font-weight: 500;
  transition: all 0.3s ease;
}

.dv-tag:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-2px);
}

/* 概览 */
.dv-intro {
  padding: 8rem 0;
  background: #ffffff;
  text-align: center;
}

.dv-intro-content {
  max-width: 800px;
  margin: 0 auto;
}

.dv-intro-content h2 {
  font-size: 3rem;
  font-weight: 900;
  color: #0b2b3a;
  margin-bottom: 1.5rem;
}

.dv-intro-content p {
  font-size: 1.2rem;
  line-height: 2;
  color: #4b5563;
}

/* 服务板块 */
.dv-services {
  padding: 0;
}

.dv-service-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 70vh;
  align-items: center;
  background: #f9fafb;
}

.dv-service-card:nth-child(even) {
  background: #ffffff;
}

.dv-service-image {
  position: relative;
  height: 100%;
  min-height: 600px;
  overflow: hidden;
}

.dv-service-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.dv-service-overlay {
  position: absolute;
  inset: 0;
  background: rgba(209, 44, 38, 0.499);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.dv-service-card:hover .dv-service-overlay {
  opacity: 1;
}

.dv-service-overlay i {
  font-size: 6rem;
  color: #ffffff;
}

.dv-service-content {
  padding: 6rem;
}

.dv-service-content h3 {
  font-size: 2.5rem;
  font-weight: 700;
  color: #0b2b3a;
  margin-bottom: 1.5rem;
}

.dv-service-content p {
  font-size: 1.15rem;
  line-height: 1.8;
  color: #4b5563;
  margin-bottom: 2rem;
}

.dv-feature-list {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 3rem;
}

.dv-feature-list li {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 1rem;
  color: #374151;
}

.dv-feature-list i {
  color: #d12b26;
  font-size: 1rem;
}

.dv-service-card.reverse {
  grid-template-columns: 1fr 1fr;
}

.dv-service-card.reverse .dv-service-content {
  order: 1;
}

.dv-service-card.reverse .dv-service-image {
  order: 2;
}

/* 响应式 */
@media (max-width: 1200px) {

  .dv-service-card,
  .dv-service-card.reverse {
    grid-template-columns: 1fr;
  }

  .dv-service-content,
  .dv-service-card.reverse .dv-service-content {
    order: 2;
    padding: 4rem 3rem;
  }

  .dv-service-image {
    order: 1;
    min-height: 400px;
  }
}

@media (max-width: 768px) {
  .container-wide {
    padding: 0 1.5rem;
  }

  .dv-hero {
    min-height: 500px;
  }

  .dv-hero-title {
    font-size: 3rem;
  }

  .dv-hero-subtitle {
    font-size: 1.3rem;
  }

  .dv-intro {
    padding: 6rem 0;
  }

  .dv-intro-content h2 {
    font-size: 2rem;
  }

  .dv-intro-content p {
    font-size: 1.1rem;
  }

  .dv-service-content h3 {
    font-size: 2rem;
  }

  .dv-feature-list {
    grid-template-columns: 1fr;
  }
}