* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
}

/* 全屏轮播容器 */
.fullscreen-carousel {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  background: #000;
}

body.page-services .fullscreen-carousel {
  margin-top: 56px;
  height: calc(100vh - 56px);
  min-height: calc(100svh - 56px);
}

/* 幻灯片 */
.carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s ease-in-out, visibility 0.8s ease-in-out;
}

.carousel-slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 1;
}

/* 背景图片 */
.slide-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* 图片遮罩 */
.carousel-slide::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to right,
    rgba(0, 0, 0, 0.7) 0%,
    rgba(0, 0, 0, 0.4) 50%,
    rgba(0, 0, 0, 0.2) 100%
  );
  pointer-events: none;
}

/* 文字内容 */
.slide-content {
  position: absolute;
  left: 8%;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  color: #fff;
  max-width: 600px;
}

.slide-title {
  font-size: clamp(48px, 6vw, 80px);
  font-weight: 800;
  margin-bottom: 24px;
  letter-spacing: 2px;
  font-family: 'Oswald', 'Impact', 'Arial Narrow', sans-serif;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.8);
  line-height: 1.1;
}

.slide-desc {
  font-size: clamp(16px, 2vw, 22px);
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
  font-weight: 300;
}

/* 导航点 - 左侧垂直排列 */
.carousel-dots {
  position: fixed;
  left: 40px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 50px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  border: 2px solid rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 0;
  position: relative;
}

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

.dot.active {
  background: #ff6b35;
  border-color: #ff6b35;
  box-shadow: 0 0 20px rgba(255, 107, 53, 0.6);
}

.dot.active::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 107, 53, 0.4);
  border-radius: 50%;
  animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
  0%, 100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.5);
    opacity: 0;
  }
}

/* 响应式 */
@media (max-width: 768px) {
  body.page-services .fullscreen-carousel {
    min-height: calc(100svh - 56px);
    min-height: calc(100vh - 56px);
  }

  /* 移动端：上半区略压暗，突出顶部文案 */
  .carousel-slide::after {
    background: linear-gradient(
      180deg,
      rgba(0, 0, 0, 0.68) 0%,
      rgba(0, 0, 0, 0.38) 42%,
      rgba(0, 0, 0, 0.18) 100%
    );
  }

  .carousel-dots {
    left: max(16px, env(safe-area-inset-left));
    gap: 14px;
  }

  .dot {
    width: 10px;
    height: 10px;
  }

  /* 文案置于上半区；padding-top 略大，避免贴顶 */
  .slide-content {
    left: 0;
    right: 0;
    top: 0;
    bottom: auto;
    transform: none;
    max-width: none;
    width: 100%;
    padding-top: 48px;
    padding-right: max(16px, env(safe-area-inset-right));
    padding-bottom: 20px;
    padding-left: calc(52px + env(safe-area-inset-left));
    text-align: left;
    box-sizing: border-box;
  }

  .slide-title {
    font-size: clamp(26px, 7.2vw, 36px);
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: 0.04em;
    line-height: 1.2;
    font-family: system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    text-shadow: 0 2px 16px rgba(0, 0, 0, 0.65);
  }

  .slide-desc {
    font-size: clamp(14px, 3.6vw, 16px);
    line-height: 1.65;
    font-weight: 400;
    letter-spacing: 0.02em;
    max-width: 42rem;
    text-shadow: 0 1px 8px rgba(0, 0, 0, 0.55);
  }

}

@media (max-width: 480px) {
  .slide-content {
    padding-top: 100px;
    padding-left: calc(46px + env(safe-area-inset-left));
    padding-right: max(14px, env(safe-area-inset-right));
  }

  .slide-title {
    font-size: clamp(22px, 6.8vw, 30px);
    margin-bottom: 10px;
  }

  .slide-desc {
    font-size: 14px;
    line-height: 1.7;
  }

  .carousel-dots {
    gap: 12px;
  }
}

/* iPad / 小平板竖屏（仍用上半区文案时）：略右移、上移 */
@media (min-width: 641px) and (max-width: 768px) {
  body.page-services .slide-content {
    padding-left: calc(68px + env(safe-area-inset-left));
    padding-top: 28px;
    transform: translateY(-100px);
  }
}

/* iPad 横屏等 769–1024：桌面版文案区块右移、上移 */
@media (min-width: 769px) and (max-width: 1024px) {
  body.page-services .slide-content {
    left: 14%;
    top: 42%;
    transform: translateY(calc(-50% - 300px));
    max-width: 540px;
  }
}

/* 滑动提示（可选） */
.scroll-hint {
  position: fixed;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  animation: hintFade 3s ease-in-out infinite;
}

@keyframes hintFade {
  0%, 100% {
    opacity: 0.4;
  }
  50% {
    opacity: 1;
  }
}