/* ============================================
   轮播图手工设计优化
   ============================================ */

/* 轮播图容器优化 */
.home-banner {
  position: relative;
  width: 100%;
  height: 600px;
  overflow: hidden;
  background: #1a365d;
}

/* 添加装饰性有机形状 */
.home-banner::before {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  top: -100px;
  right: -100px;
  background: radial-gradient(circle,
    rgba(66, 165, 245, 0.15) 0%,
    transparent 70%
  );
  border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  animation: organicFloat 12s ease-in-out infinite;
  pointer-events: none;
}

.home-banner::after {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  bottom: -80px;
  left: -80px;
  background: radial-gradient(circle,
    rgba(21, 101, 192, 0.1) 0%,
    transparent 70%
  );
  border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
  animation: organicFloat 15s ease-in-out infinite reverse;
  pointer-events: none;
}

/* 轮播内容区域 - 黄金分割布局 */
.banner-text {
  max-width: 650px;
  color: #ffffff;
  position: relative;
  padding-left: 20px;
  /* 黄金分割：内容区域占据约61.8%的高度 */
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* 添加装饰线 */
.banner-text::before {
  content: '';
  position: absolute;
  left: 0;
  top: 5px;
  bottom: 5px;
  width: 4px;
  background: linear-gradient(180deg,
    rgba(255, 255, 255, 0.9) 0%,
    rgba(66, 165, 245, 0.6) 100%
  );
  border-radius: 2px;
}

/* 标题统一样式 */
.banner-heading {
  /* 统一字体大小 */
  font-size: 44px;
  font-weight: 700;
  line-height: 1.3;
  /* 统一间距 */
  margin: 0;
  padding: 0;
  color: #ffffff;
  position: relative;
  display: inline-block;
  vertical-align: top;
}

/* 副标题统一样式 */
.banner-subheading {
  display: block;
  /* 统一字体大小 */
  font-size: 32px;
  font-weight: 600;
  color: #ffffff;
  /* 统一间距 */
  margin-top: 12px;
  margin-bottom: 20px;
  margin-left: 0;
  margin-right: 0;
  padding: 0;
  opacity: 1;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* 描述优化 */
.banner-desc {
  font-size: 17px;
  line-height: 1.7;
  color: #cbd5e0;
  /* 统一间距 */
  margin: 0 0 24px 0;
  padding: 0;
  font-weight: 400;
}

/* 描述添加装饰 */
.banner-desc::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background: rgba(66, 165, 245, 0.6);
  border-radius: 50%;
  margin-right: 8px;
  vertical-align: middle;
  animation: dotPulse 2s ease-in-out infinite;
}

/* 按钮容器优化 - 确保按钮始终可见 */
.banner-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  position: relative;
  z-index: 10;
  margin-top: 24px;
  /* 确保容器始终可见 */
  visibility: visible;
  opacity: 1;
}

/* 确保所有轮播项中的按钮都可见 */
.banner-slide-item .banner-buttons,
.banner-slide-item.active .banner-buttons {
  visibility: visible;
  opacity: 1;
  display: flex;
}

/* 主要按钮优化 - 确保常显示 */
.banner-btn-primary {
  padding: 14px 32px;
  background: linear-gradient(135deg, #ffffff 0%, #f7fafc 100%);
  color: #1565c0;
  font-size: 16px;
  font-weight: 700;
  border: none;
  border-radius: 8px 12px 12px 8px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  position: relative;
  overflow: hidden;
  z-index: 1;
  /* 确保按钮始终可见 */
  visibility: visible;
  opacity: 1;
}

.banner-btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg,
    transparent,
    rgba(21, 101, 192, 0.1),
    transparent
  );
  transition: left 0.5s ease;
}

.banner-btn-primary:hover {
  transform: translateY(-3px) translateX(2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
  color: #0d47a1;
}

.banner-btn-primary:hover::before {
  left: 100%;
}

/* 次要按钮优化 - 确保常显示 */
.banner-btn-secondary {
  padding: 14px 32px;
  background: transparent;
  color: #ffffff;
  font-size: 16px;
  font-weight: 600;
  border: 2px solid rgba(255, 255, 255, 0.6);
  border-radius: 8px 12px 12px 8px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
  position: relative;
  z-index: 1;
  /* 确保按钮始终可见 */
  visibility: visible;
  opacity: 1;
  display: inline-flex;
}

.banner-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.7);
  transform: translateY(-3px) translateX(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* 导航按钮优化 */
.banner-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 56px;
  height: 56px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
  z-index: 10;
}

.banner-nav:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.banner-nav:active {
  transform: translateY(-50%) scale(1.05);
}

.banner-nav svg {
  width: 24px;
  height: 24px;
  color: white;
  transition: transform 0.3s ease;
}

.banner-nav:hover svg {
  transform: scale(1.1);
}

.banner-nav-prev {
  left: 24px;
}

.banner-nav-next {
  right: 24px;
}

/* 轮播指示器优化 */
.banner-indicators {
  position: absolute;
  bottom: 32px;
  left: 24px;
  display: flex;
  gap: 10px;
  z-index: 10;
}

.banner-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
}

.banner-indicator:hover {
  background: rgba(255, 255, 255, 0.6);
  transform: scale(1.2);
}

.banner-indicator.active {
  background: #ffffff;
  width: 36px;
  border-radius: 6px;
  border-color: rgba(255, 255, 255, 0.8);
}

/* 添加数字指示器 */
.banner-number {
  position: absolute;
  bottom: 32px;
  right: 32px;
  font-size: 48px;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.1);
  font-family: 'Arial', sans-serif;
  line-height: 1;
  z-index: 5;
  pointer-events: none;
}

/* 背景纹理 */
.banner-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  opacity: 0.04;
  mix-blend-mode: multiply;
  pointer-events: none;
}

/* 响应式优化 */
@media (max-width: 768px) {
  .banner-heading {
    font-size: 32px;
  }

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

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

  .banner-buttons {
    flex-direction: column;
    gap: 12px;
  }

  .banner-nav {
    width: 44px;
    height: 44px;
  }

  .banner-nav-prev {
    left: 12px;
  }

  .banner-nav-next {
    right: 12px;
  }

  .banner-indicators {
    left: 50%;
    transform: translateX(-50%);
    bottom: 20px;
  }

  .banner-number {
    display: none;
  }
}