/* ====================================
   睿来智能体官网 - 首页样式
   Reliable Agent - Index Page Styles
   ==================================== */

/* ========== Hero首屏区 ========== */
.hero {
  position: relative;
  min-height: 100vh;
  padding-top: 96px; /* 配合浮动导航栏 */
  display: flex;
  align-items: center;
  overflow: hidden;
}

/* 轮播图容器 */
.hero-carousel {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* 允许轮播指示器和视频按钮接收点击事件 */
.carousel-indicators,
.video-play-btn {
  pointer-events: auto;
}

.carousel-track {
  position: relative;
  width: 100%;
  height: 100%;
}

.carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

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

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

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(15, 23, 42, 0.95) 0%,
    rgba(30, 41, 59, 0.85) 50%,
    rgba(99, 102, 241, 0.3) 100%
  );
}

/* 视频播放按钮 */
.video-play-btn {
  position: absolute;
  bottom: 120px;
  right: 40px;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background: rgba(99, 102, 241, 0.9);
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-full);
  color: white;
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 10;
  backdrop-filter: blur(10px);
  animation: playBtnPulse 2s ease-in-out infinite;
}

.video-play-btn:hover {
  background: var(--color-primary);
  border-color: white;
  transform: scale(1.05);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.5);
}

.video-play-btn svg {
  width: 32px;
  height: 32px;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

@keyframes playBtnPulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.7);
  }
  50% {
    box-shadow: 0 0 0 15px rgba(99, 102, 241, 0);
  }
}

/* 轮播指示器 */
.carousel-indicators {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-sm);
  z-index: 100;
}

.indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 0;
}

.indicator:hover {
  background: rgba(255, 255, 255, 0.7);
}

.indicator.active {
  background: var(--color-primary);
  border-color: white;
  width: 32px;
  border-radius: var(--radius-full);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: var(--space-xxxl) 0;
}

.hero-text {
  max-width: 800px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  background: rgba(99, 102, 241, 0.2);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-full);
  color: var(--color-primary-light);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-lg);
}

.hero-tag svg {
  width: 20px;
  height: 20px;
}

.hero-title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  line-height: 1.2;
  background: linear-gradient(135deg, #FFFFFF 0%, #818CF8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-md);
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-xl);
}

.hero-buttons {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-xxl);
}

.hero-stats {
  display: flex;
  gap: var(--space-xxl);
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(148, 163, 184, 0.1);
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* AI识别框动效 */
.ai-detection-boxes {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;
}

.detection-box {
  position: absolute;
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-sm);
  animation: detectPulse 3s ease-in-out infinite;
}

.detection-box::before {
  content: '';
  position: absolute;
  top: -8px;
  left: -8px;
  width: 16px;
  height: 16px;
  background: var(--color-primary);
  border-radius: 2px;
}

.detection-box.box-1 {
  top: 20%;
  right: 20%;
  width: 150px;
  height: 150px;
  animation-delay: 0s;
}

.detection-box.box-2 {
  bottom: 30%;
  right: 35%;
  width: 100px;
  height: 100px;
  animation-delay: 1s;
}

.detection-box.box-3 {
  top: 40%;
  right: 50%;
  width: 80px;
  height: 80px;
  animation-delay: 2s;
}

@keyframes detectPulse {
  0%, 100% {
    opacity: 0;
    transform: scale(0.8);
  }
  50% {
    opacity: 1;
    transform: scale(1);
  }
}

/* ========== 核心价值对比区 ========== */
.value-comparison {
  background: var(--gradient-dark);
}

.comparison-cards {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  justify-content: center;
}

.comparison-card {
  flex: 1;
  max-width: 480px;
  background: var(--color-bg-dark);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  border: 1px solid rgba(148, 163, 184, 0.1);
  transition: all var(--transition-base);
}

.comparison-card.highlight {
  background: rgba(99, 102, 241, 0.1);
  border-color: var(--color-primary);
  transform: scale(1.05);
}

.comparison-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.comparison-card.highlight:hover {
  transform: scale(1.05) translateY(-4px);
}

.card-icon {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
}

.card-icon.old {
  background: rgba(245, 158, 11, 0.1);
  color: var(--color-warning);
}

.card-icon.new {
  background: var(--gradient-purple);
  color: white;
}

.comparison-card h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-md);
  color: var(--color-text-white);
}

.comparison-card ul {
  list-style: none;
}

.comparison-card ul li {
  position: relative;
  padding-left: var(--space-md);
  margin-bottom: var(--space-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.comparison-card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-text-secondary);
}

.comparison-card.highlight ul li::before {
  background: var(--color-primary);
}

.comparison-arrow {
  flex-shrink: 0;
  animation: arrowPulse 2s ease-in-out infinite;
}

@keyframes arrowPulse {
  0%, 100% {
    transform: translateX(0);
  }
  50% {
    transform: translateX(10px);
  }
}

/* ========== 产品矩阵展示区 ========== */
.product-matrix {
  background: var(--color-bg-deep);
}

/* ========== 三大核心能力区 - 横向卡片设计 ========== */
.tech-highlights {
  background: var(--color-bg-deep);
  position: relative;
  overflow: hidden;
}

.tech-highlights::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--color-primary) 50%, transparent 100%);
}

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

/* 卡片包装器 */
.capability-card-wrapper {
  perspective: 1000px;
  height: 100%;
  min-height: 450px;
}

/* 卡片容器 */
.capability-card {
  width: 100%;
  height: 100%;
  position: relative;
  cursor: pointer;
  transition: transform 0.6s;
  transform-style: preserve-3d;
}

/* 翻转状态 */
.capability-card.flipped {
  transform: rotateY(180deg);
}

/* 卡片内部容器 */
.capability-card-inner {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
}

/* 卡片前后面通用样式 */
.capability-card-front,
.capability-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.05) 0%, rgba(30, 41, 59, 0.8) 100%);
  border: 1px solid rgba(139, 92, 246, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* 前面 */
.capability-card-front {
  transform: rotateY(0deg);
}

/* 后面 */
.capability-card-back {
  transform: rotateY(180deg);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(30, 41, 59, 0.8) 100%);
  border-color: rgba(59, 130, 246, 0.2);
}

/* 光晕效果 */
.capability-card-front::before,
.capability-card-back::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

/* 悬浮效果 */
.capability-card:hover .capability-card-front,
.capability-card:hover .capability-card-back {
  border-color: var(--color-primary);
  box-shadow: 0 20px 40px rgba(139, 92, 246, 0.2);
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(30, 41, 59, 0.9) 100%);
}

.capability-card:hover .capability-card-front::before,
.capability-card:hover .capability-card-back::before {
  opacity: 1;
}

.capability-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-purple);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 24px rgba(139, 92, 246, 0.3);
  transition: all 0.4s ease;
}

.capability-card:hover .capability-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 12px 32px rgba(139, 92, 246, 0.5);
}

.capability-icon svg {
  width: 40px;
  height: 40px;
  color: white;
}

.capability-number {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  font-size: 48px;
  font-weight: 700;
  color: rgba(139, 92, 246, 0.15);
  line-height: 1;
  transition: all 0.4s ease;
}

.capability-card:hover .capability-number {
  color: rgba(139, 92, 246, 0.25);
  transform: scale(1.1);
}

.capability-card h3 {
  font-size: var(--font-size-xl);
  color: var(--color-text-white);
  margin-bottom: var(--space-md);
  text-align: center;
  font-weight: 600;
}

.capability-card p {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
  text-align: center;
  font-size: var(--font-size-sm);
}

.capability-highlight {
  text-align: center;
  padding: var(--space-xs) var(--space-md);
  background: rgba(139, 92, 246, 0.1);
  border-radius: var(--radius-full);
  color: var(--color-primary-light);
  font-size: var(--font-size-sm);
  font-weight: 500;
  border: 1px solid rgba(139, 92, 246, 0.2);
  transition: all 0.3s ease;
}

.capability-card:hover .capability-highlight {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* ========== 合作伙伴墙 ========== */
.partners {
  background: var(--color-bg-deep);
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  max-width: 900px;
  margin: 0 auto;
}

.partner-item {
  background: var(--color-bg-dark);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  border: 1px solid rgba(148, 163, 184, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 120px;
  transition: all var(--transition-base);
}

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

.partner-logo {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-secondary);
  text-align: center;
  transition: color var(--transition-fast);
}

.partner-item:hover .partner-logo {
  color: var(--color-primary);
}

/* ========== CTA转化区 ========== */
.cta-section {
  background: var(--gradient-dark);
}

.cta-card {
  background: var(--gradient-purple);
  border-radius: var(--radius-xl);
  padding: var(--space-xxl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  animation: rotateBg 20s linear infinite;
}

@keyframes rotateBg {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.cta-card h2 {
  position: relative;
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-md);
  color: white;
}

.cta-card p {
  position: relative;
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  position: relative;
  display: flex;
  gap: var(--space-md);
  justify-content: center;
}

.cta-buttons .btn-primary-lg {
  background: white;
  color: var(--color-primary);
}

.cta-buttons .btn-primary-lg:hover {
  background: rgba(255, 255, 255, 0.9);
}

.cta-buttons .btn-secondary {
  background: transparent;
  border-color: white;
  color: white;
}

.cta-buttons .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* ========== 响应式设计 ========== */
@media (max-width: 1199px) {
  .hero-stats {
    gap: var(--space-lg);
  }

  .comparison-cards {
    flex-wrap: wrap;
  }

  .comparison-arrow {
    display: none;
  }

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

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

@media (max-width: 991px) {
  .capabilities-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
}

@media (max-width: 767px) {
  .hero {
    min-height: auto;
    padding: calc(var(--space-xxl) + 72px) var(--space-sm) var(--space-xxl);
  }

  .hero-content {
    padding: 0 var(--space-xs);
  }

  .hero-title {
    font-size: var(--font-size-2xl);
    line-height: 1.3;
  }

  .hero-subtitle {
    font-size: var(--font-size-base);
    line-height: 1.6;
  }

  .hero-buttons {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .hero-buttons .btn {
    min-height: 48px;
    width: 100%;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: var(--space-md);
  }

  .stat-item {
    flex: 1;
    min-width: 120px;
  }

  .stat-number {
    font-size: var(--font-size-2xl);
  }

  .ai-detection-boxes {
    display: none;
  }

  .comparison-cards {
    flex-direction: column;
  }

  .comparison-card.highlight {
    transform: scale(1);
  }

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

  .capabilities-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .capability-card-wrapper {
    min-height: 380px;
  }

  .capability-card-front,
  .capability-card-back {
    padding: var(--space-lg);
  }

  .capability-number {
    font-size: 36px;
  }

  .capability-icon {
    width: 64px;
    height: 64px;
  }

  .capability-icon svg {
    width: 32px;
    height: 32px;
  }

  .cta-card h2 {
    font-size: var(--font-size-2xl);
  }

  .cta-buttons {
    flex-direction: column;
  }

  .video-play-btn {
    bottom: 140px;
    right: 20px;
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-size-sm);
  }

  .video-play-btn svg {
    width: 24px;
    height: 24px;
  }
}

/* ========== 视频弹窗 Modal ========== */
.video-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.video-modal.active {
  opacity: 1;
  visibility: visible;
}

.video-modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
  cursor: pointer;
}

.video-modal-content {
  position: relative;
  width: 90%;
  max-width: 1200px;
  z-index: 10;
  transform: scale(0.9);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.video-modal.active .video-modal-content {
  transform: scale(1);
}

.video-modal-close {
  position: absolute;
  top: -50px;
  right: 0;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.video-modal-close:hover {
  background: var(--color-primary);
  border-color: white;
  transform: rotate(90deg);
}

.video-wrapper {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 比例 */
  height: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* 视频加载指示器 */
.video-loading {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  z-index: 1;
  transition: opacity 0.3s ease;
}

.video-modal.loaded .video-loading {
  opacity: 0;
  pointer-events: none;
}

.video-loading .spinner {
  width: 48px;
  height: 48px;
  border: 4px solid rgba(139, 92, 246, 0.2);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 16px;
}

.video-loading p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin: 0;
}

@media (max-width: 767px) {
  .video-modal-content {
    width: 95%;
  }

  .video-modal-close {
    top: -45px;
    width: 36px;
    height: 36px;
  }
}

/* ========== 浅色主题优化 ========== */

/* 三大核心能力卡片 - 浅色主题 */
[data-theme="light"] .capability-card-front,
[data-theme="light"] .capability-card-back {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.98) 100%);
  border: 1.5px solid rgba(226, 232, 240, 0.8);
  box-shadow: 0 4px 16px rgba(100, 116, 139, 0.08);
}

/* 卡片前面 - 紫色调 */
[data-theme="light"] .capability-card-front::before {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.08) 0%, rgba(168, 85, 247, 0.12) 100%);
}

/* 卡片后面 - 蓝色调 */
[data-theme="light"] .capability-card-back {
  border-color: rgba(191, 219, 254, 0.6);
}

[data-theme="light"] .capability-card-back::before {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.08) 0%, rgba(96, 165, 250, 0.12) 100%);
}

/* Hover状态 */
[data-theme="light"] .capability-card:hover .capability-card-front,
[data-theme="light"] .capability-card:hover .capability-card-back {
  border-color: var(--color-primary);
  box-shadow: 0 12px 32px rgba(124, 58, 237, 0.15), 0 4px 12px rgba(124, 58, 237, 0.1);
  background: linear-gradient(135deg, rgba(255, 255, 255, 1) 0%, rgba(250, 245, 255, 0.98) 100%);
}

/* 图标背景 */
[data-theme="light"] .capability-icon {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(168, 85, 247, 0.15) 100%);
  border: 2px solid rgba(139, 92, 246, 0.2);
  box-shadow: 0 4px 16px rgba(139, 92, 246, 0.15);
}

[data-theme="light"] .capability-card:hover .capability-icon {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-color: var(--color-primary);
  box-shadow: 0 8px 24px rgba(124, 58, 237, 0.3);
}

[data-theme="light"] .capability-icon svg {
  color: var(--color-primary);
}

[data-theme="light"] .capability-card:hover .capability-icon svg {
  color: white;
}

/* 序号 */
[data-theme="light"] .capability-number {
  color: rgba(139, 92, 246, 0.08);
}

[data-theme="light"] .capability-card:hover .capability-number {
  color: rgba(139, 92, 246, 0.12);
}

/* 标题和文本 */
[data-theme="light"] .capability-card h3 {
  color: var(--color-text-primary);
}

[data-theme="light"] .capability-card p {
  color: var(--color-text-secondary);
}

/* 高亮标签 */
[data-theme="light"] .capability-highlight {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(168, 85, 247, 0.08) 100%);
  color: var(--color-primary);
  border-color: rgba(139, 92, 246, 0.25);
}

[data-theme="light"] .capability-card:hover .capability-highlight {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* ========== Hero区域 - 浅色主题优化 ========== */

/* 浅色主题 - Hero遮罩层调整为更浅的效果 */
[data-theme="light"] .hero-overlay {
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.85) 0%,
    rgba(248, 250, 252, 0.75) 50%,
    rgba(224, 231, 255, 0.6) 100%
  );
}

/* 浅色主题 - Hero标题使用深色到紫色的渐变 */
[data-theme="light"] .hero-title {
  background: linear-gradient(135deg, #1E293B 0%, #6366F1 50%, #A78BFA 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* 浅色主题 - Hero副标题 */
[data-theme="light"] .hero-subtitle {
  color: #374151;
}

/* 浅色主题 - 统计数字 */
[data-theme="light"] .stat-number {
  color: var(--color-primary);
}

[data-theme="light"] .stat-label {
  color: #4B5563;
}

/* 浅色主题 - Hero统计区域分隔线 */
[data-theme="light"] .hero-stats {
  border-top-color: rgba(79, 70, 229, 0.15);
}

/* 浅色主题 - AI检测框 */
[data-theme="light"] .detection-box {
  border-color: var(--color-primary);
  opacity: 0.6;
}

[data-theme="light"] .detection-box::before {
  background: var(--color-primary);
}