@charset "UTF-8";

/* L4 服务导向型首页 + B5 品牌宣言型Banner */
.banner {
  position: relative;
  height: 700px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.banner-slider {
  position: absolute;
  inset: 0;
  display: flex;
  transition: transform 0.8s ease;
}

.banner-slide {
  min-width: 100%;
  height: 100%;
  position: relative;
}

.banner-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(31, 41, 55, 0.85) 0%, rgba(31, 41, 55, 0.5) 50%, rgba(31, 41, 55, 0.7) 100%);
}

.banner-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  padding: 0 20px;
}

.banner-badge {
  display: inline-block;
  padding: 6px 20px;
  border: 1px solid rgba(229, 229, 229, 0.4);
  border-radius: 20px;
  color: var(--primary);
  font-size: 13px;
  letter-spacing: 2px;
  margin-bottom: 24px;
  text-transform: uppercase;
}

.banner-title {
  font-size: 52px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  line-height: 1.2;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.banner-desc {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 36px;
  line-height: 1.8;
}

.banner-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.banner-btn-primary {
  padding: 14px 40px;
  background: var(--primary);
  color: var(--dark);
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
}

.banner-btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.3);
  color: var(--dark);
}

.banner-btn-outline {
  padding: 14px 40px;
  background: transparent;
  color: var(--primary);
  border: 2px solid rgba(229, 229, 229, 0.5);
  border-radius: 6px;
  font-size: 15px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.banner-btn-outline:hover {
  background: var(--primary);
  color: var(--dark);
  border-color: var(--primary);
}

.banner-dots {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 3;
}

.banner-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: all 0.3s ease;
}

.banner-dot.active {
  background: var(--primary);
  width: 30px;
  border-radius: 5px;
}

/* 口号区 */
.slogan-bar {
  background: var(--dark);
  padding: 24px 0;
  text-align: center;
}

.slogan-bar p {
  color: var(--primary);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 4px;
}

/* 服务流程 F1=3步 */
.process-section {
  padding: 80px 0;
  background: var(--light);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  max-width: 1000px;
  margin: 0 auto;
}

.process-card {
  text-align: center;
  position: relative;
}

.process-card:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 40px;
  right: -30px;
  width: 20px;
  height: 2px;
  background: var(--border);
}

.process-num {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--dark);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 700;
  margin: 0 auto 20px;
}

.process-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 10px;
}

.process-desc {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
}

/* 服务栏目 8项 */
.services-section {
  padding: 80px 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.service-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px 24px;
  text-align: center;
  transition: all 0.3s ease;
}

.service-card:hover {
  box-shadow: 0 12px 40px var(--shadow);
  transform: translateY(-6px);
  border-color: transparent;
}

.service-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 12px;
}

.service-card p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 20px;
}

.service-card .service-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--secondary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.service-card .service-link:hover {
  color: var(--dark);
  gap: 8px;
}

/* 关于我们预览 */
.about-preview {
  padding: 80px 0;
  background: var(--light);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-img {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 32px var(--shadow);
}

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

.about-content h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 20px;
}

.about-content p {
  font-size: 15px;
  color: var(--text);
  line-height: 1.8;
  margin-bottom: 24px;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.stat-item {
  text-align: center;
  padding: 20px;
  background: #fff;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.stat-num {
  font-size: 28px;
  font-weight: 700;
  color: var(--dark);
}

.stat-label {
  font-size: 13px;
  color: var(--text-light);
  margin-top: 4px;
}

/* 资讯预览 */
.news-section {
  padding: 80px 0;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.news-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.news-card:hover {
  box-shadow: 0 8px 28px var(--shadow);
  transform: translateY(-4px);
}

.news-body {
  padding: 24px;
}

.news-tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--light);
  border-radius: 4px;
  font-size: 12px;
  color: var(--secondary);
  margin-bottom: 12px;
}

.news-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--dark);
  line-height: 1.5;
  margin-bottom: 12px;
}

.news-date {
  font-size: 13px;
  color: var(--text-light);
}

/* CTA区 */
.cta-section {
  padding: 100px 0;
  background: var(--dark);
  text-align: center;
}

.cta-section h2 {
  font-size: 36px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 16px;
  color: rgba(229, 229, 229, 0.7);
  margin-bottom: 36px;
}

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

  .process-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .process-card:not(:last-child)::after {
    display: none;
  }
}

@media (max-width: 768px) {
  .banner {
    height: 500px;
  }

  .banner-title {
    font-size: 32px;
  }

  .banner-desc {
    font-size: 15px;
  }

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

  .process-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

  .stats-row {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }

  .cta-section h2 {
    font-size: 26px;
  }
}

@media (max-width: 480px) {
  .banner {
    height: 420px;
  }

  .banner-title {
    font-size: 24px;
  }

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