/**
 * ============================================
 * 首页专属样式表 - 归途公益
 * ============================================
 * 包含：Hero轮播、最新寻人、数据统计、合作机构、行动召唤等
 */

/* ============================================
   1. Hero 轮播区域
   ============================================ */
.hero-carousel {
  position: relative;
  width: 100%;
  height: 560px;
  min-height: 560px;
  max-height: 800px;
  overflow: hidden;
}

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

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

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

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

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

.carousel-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom,
    rgba(74, 56, 45, 0.3) 0%,
    rgba(74, 56, 45, 0.5) 50%,
    rgba(74, 56, 45, 0.7) 100%
  );
}

.carousel-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: #fff;
  z-index: 10;
  width: 90%;
  max-width: 800px;
  padding: var(--spacing-lg);
}

.carousel-content h2 {
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: var(--spacing-md);
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
  color: #fff;
}

.carousel-content p {
  font-size: clamp(1rem, 2vw, 1.25rem);
  opacity: 0.95;
  line-height: 1.6;
  max-width: 600px;
  margin: 0 auto;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

/* 轮播控制按钮 */
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(247, 243, 237, 0.9);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  transition: all var(--transition-fast);
  z-index: 20;
  box-shadow: var(--shadow-md);
}

.carousel-btn:hover {
  background: rgba(247, 243, 237, 1);
  transform: translateY(-50%) scale(1.05);
}

.carousel-btn-prev {
  left: var(--spacing-lg);
}

.carousel-btn-next {
  right: var(--spacing-lg);
}

/* 轮播指示器 */
.carousel-indicators {
  position: absolute;
  bottom: var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--spacing-sm);
  z-index: 20;
}

.carousel-indicators .indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(247, 243, 237, 0.5);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 0;
}

.carousel-indicators .indicator.active {
  background: rgba(247, 243, 237, 1);
  transform: scale(1.2);
}

/* ============================================
   2. 最新寻人启事板块
   ============================================ */
.people-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.person-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  text-decoration: none;
  color: inherit;
  display: block;
}

.person-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.person-image {
  position: relative;
  width: 100%;
  height: 240px;
  overflow: hidden;
  background: var(--color-muted);
}

.person-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform var(--transition-normal);
}

.person-card:hover .person-image img {
  transform: scale(1.05);
}

.person-status {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 500;
}

.person-status.waiting {
  background: var(--color-accent);
  color: var(--color-text);
}

.person-status.urgent {
  background: var(--color-danger);
  color: #fff;
}

.person-info {
  padding: var(--spacing-md);
}

.person-info h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.person-age {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xs);
}

.person-location,
.person-time {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xs);
}

.person-location svg,
.person-time svg {
  flex-shrink: 0;
  color: var(--color-accent);
}

.person-feature {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  line-height: 1.5;
  margin-top: var(--spacing-sm);
  padding-top: var(--spacing-sm);
  border-top: 1px solid rgba(184, 177, 169, 0.2);
}

.person-missing-time {
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(230, 197, 175, 0.15);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
}

.person-missing-time span {
  color: var(--color-text-light);
}

.person-missing-time strong {
  color: var(--color-danger);
  font-weight: 600;
}

/* ============================================
   3. 寻亲数据统计
   ============================================ */
.stats-section {
  background: var(--color-dark-bg);
  padding: var(--spacing-xxl) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

.stat-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  justify-content: center;
}

.stat-icon {
  width: 64px;
  height: 64px;
  background: rgba(230, 197, 175, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
}

.stat-content {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: #fff;
  line-height: 1;
  font-family: 'Inter', var(--font-family);
}

.stat-label {
  font-size: 0.9375rem;
  color: rgba(247, 243, 237, 0.7);
  margin-top: 4px;
}

/* ============================================
   4. 团圆故事
   ============================================ */
.story-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.story-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  text-decoration: none;
  color: inherit;
  display: block;
}

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

.story-image {
  height: 200px;
  overflow: hidden;
  background: var(--color-muted);
}

.story-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.story-card:hover .story-image img {
  transform: scale(1.05);
}

.story-content {
  padding: var(--spacing-md);
}

.story-date {
  font-size: 0.8125rem;
  color: var(--color-accent);
  font-weight: 500;
}

.story-content h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
  margin: var(--spacing-xs) 0;
  line-height: 1.4;
}

.story-content p {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.story-tag {
  display: inline-block;
  margin-top: var(--spacing-sm);
  font-size: 0.75rem;
  color: var(--color-text-light);
  background: rgba(184, 177, 169, 0.15);
  padding: 4px 10px;
  border-radius: 4px;
}

/* ============================================
   5. 合作机构
   ============================================ */
.partners-section {
  background: rgba(230, 197, 175, 0.08);
  padding: var(--spacing-xxl) 0;
}

.partners-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.partners-title h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.partners-title p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
}

.partners-grid {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  flex-wrap: wrap;
}

.partner-item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-lg);
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  min-width: 160px;
  transition: all var(--transition-fast);
}

.partner-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.partner-item span {
  font-size: 0.875rem;
  color: var(--color-text-light);
  text-align: center;
}

/* ============================================
   6. 行动召唤（CTA）
   ============================================ */
.cta-section {
  background: linear-gradient(135deg, var(--color-accent) 0%, #D9B09A 100%);
  padding: var(--spacing-xxl) 0;
  text-align: center;
}

.cta-content {
  max-width: 600px;
  margin: 0 auto;
}

.cta-title {
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.cta-text {
  font-size: 1rem;
  color: var(--color-text);
  opacity: 0.85;
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.cta-section .btn-primary {
  background: var(--color-text);
  color: #fff;
  border-color: var(--color-text);
}

.cta-section .btn-primary:hover {
  background: var(--color-dark-bg);
  border-color: var(--color-dark-bg);
}

.cta-section .btn-outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-text);
}

.cta-section .btn-outline:hover {
  background: rgba(74, 56, 45, 0.1);
}

/* ============================================
   7. 响应式设计
   ============================================ */
@media (max-width: 1200px) {
  .people-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 992px) {
  .hero-carousel {
    height: 480px;
  }

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

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

  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
  }

  .stat-item {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-sm);
  }
}

@media (max-width: 768px) {
  .hero-carousel {
    height: 400px;
    min-height: 400px;
  }

  .carousel-content h2 {
    font-size: 1.5rem;
  }

  .carousel-content p {
    font-size: 0.9375rem;
  }

  .carousel-btn {
    width: 40px;
    height: 40px;
  }

  .carousel-btn-prev {
    left: var(--spacing-sm);
  }

  .carousel-btn-next {
    right: var(--spacing-sm);
  }

  .people-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .person-image {
    height: 200px;
  }

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

  .stats-section {
    padding: var(--spacing-xl) 0;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .stat-item {
    padding: var(--spacing-md);
    border-bottom: 1px solid rgba(247, 243, 237, 0.1);
  }

  .stat-item:last-child {
    border-bottom: none;
  }

  .partners-grid {
    flex-direction: column;
    align-items: center;
  }

  .partner-item {
    width: 100%;
    max-width: 300px;
  }

  .cta-title {
    font-size: 1.5rem;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .cta-buttons .btn {
    width: 100%;
    max-width: 280px;
  }
}

@media (max-width: 480px) {
  .hero-carousel {
    height: 320px;
  }

  .carousel-content {
    padding: var(--spacing-md);
  }

  .carousel-content h2 {
    font-size: 1.25rem;
  }

  .stat-number {
    font-size: 2rem;
  }
}

/* 寻人卡片图片统一尺寸 */
.person-card .person-image {
  position: relative;
  width: 100%;
  height: 220px !important;
  min-height: 220px;
  overflow: hidden;
  background: #e8e4df;
  display: flex;
  align-items: center;
  justify-content: center;
}

.person-card .person-image img {
  width: 100% !important;
  height: 220px !important;
  min-height: 220px;
  object-fit: cover !important;
  object-position: center top;
  display: block;
}

/* 首页最新寻人卡片 */
.latest-persons .person-card .person-image {
  height: 200px !important;
  min-height: 200px;
}

.latest-persons .person-card .person-image img {
  height: 200px !important;
  min-height: 200px;
}

@media (max-width: 768px) {
  .person-card .person-image {
    height: 180px !important;
    min-height: 180px;
  }
  .person-card .person-image img {
    height: 180px !important;
    min-height: 180px;
  }
  .latest-persons .person-card .person-image {
    height: 180px !important;
    min-height: 180px;
  }
  .latest-persons .person-card .person-image img {
    height: 180px !important;
    min-height: 180px;
  }
}

/* 强制统一所有寻人卡片图片显示尺寸 */
.person-grid .person-card .person-image,
.person-list-grid .person-card .person-image {
  height: 240px !important;
  min-height: 240px !important;
  width: 100%;
  aspect-ratio: 4/3;
  position: relative;
  overflow: hidden;
  background: #f0ebe5;
}

.person-grid .person-card .person-image img,
.person-list-grid .person-card .person-image img {
  width: 100% !important;
  height: 100% !important;
  object-fit: cover !important;
  object-position: center center !important;
  display: block;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .person-grid .person-card .person-image,
  .person-list-grid .person-card .person-image {
    height: 200px !important;
    min-height: 200px !important;
    aspect-ratio: 1/1;
  }
}

/* ============================================
   8. 防走失科普板块
   ============================================ */
.knowledge-section {
  background: linear-gradient(180deg, var(--color-bg) 0%, #f0ebe5 100%);
}

.knowledge-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.knowledge-card {
  background: #fff;
  border-radius: 16px;
  padding: 2rem 1.5rem;
  text-align: center;
  box-shadow: 0 2px 12px rgba(74, 56, 45, 0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.knowledge-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(74, 56, 45, 0.1);
}

.knowledge-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(230, 197, 175, 0.3) 0%, rgba(230, 197, 175, 0.1) 100%);
  border-radius: 50%;
  color: var(--color-text);
}

.knowledge-image {
  width: 100%;
  height: 100px;
  margin-bottom: 1rem;
  border-radius: 8px;
  overflow: hidden;
  background: rgba(230, 197, 175, 0.1);
}

.knowledge-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.knowledge-card:hover .knowledge-image img {
  transform: scale(1.05);
}

.knowledge-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.75rem;
}

.knowledge-card p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* 响应式 */
@media (max-width: 992px) {
  .knowledge-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .knowledge-grid {
    grid-template-columns: 1fr;
  }
  
  .knowledge-card {
    padding: 1.5rem;
  }
}

/* ============================================
   博物馆开场动画
   ============================================ */
/* ============================================
   暖白色博物馆开场动画
   ============================================ */
.museum-intro {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  opacity: 1;
  transition: opacity 1.5s cubic-bezier(0.4, 0, 0.2, 1);
  background: #F7F3ED;
}

.museum-intro.fade-out {
  opacity: 0;
  pointer-events: none;
}

.museum-intro.hidden {
  display: none;
}

/* 柔和渐变背景 */
.intro-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    #F7F3ED 0%,
    #F0EBE4 25%,
    #F7F3ED 50%,
    #F0EBE4 75%,
    #F7F3ED 100%
  );
  background-size: 400% 400%;
  animation: gradientShift 8s ease infinite;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* 柔和光晕效果 */
.intro-bg::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 120%;
  height: 120%;
  transform: translate(-50%, -50%);
  background: radial-gradient(
    ellipse at center,
    rgba(230, 197, 175, 0.25) 0%,
    rgba(232, 212, 196, 0.15) 30%,
    transparent 60%
  );
  animation: softGlow 6s ease-in-out infinite;
}

@keyframes softGlow {
  0%, 100% { 
    opacity: 0.6;
    transform: translate(-50%, -50%) scale(1);
  }
  50% { 
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.1);
  }
}

/* 内层光晕 */
.intro-bg::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 60%;
  height: 60%;
  transform: translate(-50%, -50%);
  background: radial-gradient(
    ellipse at center,
    rgba(168, 94, 73, 0.08) 0%,
    rgba(230, 197, 175, 0.05) 40%,
    transparent 70%
  );
  animation: innerGlow 4s ease-in-out infinite;
}

@keyframes innerGlow {
  0%, 100% { 
    opacity: 0.5;
    transform: translate(-50%, -50%) scale(1);
  }
  50% { 
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.2);
  }
}

/* 柔光粒子 */
.intro-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(168, 94, 73, 0.3);
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(168, 94, 73, 0.2);
  animation: floatParticle var(--duration) ease-in-out infinite;
  animation-delay: var(--delay);
}

@keyframes floatParticle {
  0%, 100% { 
    opacity: 0;
    transform: translateY(0) translateX(0) scale(1);
  }
  20% { 
    opacity: 1;
  }
  80% {
    opacity: 0.8;
  }
  100% {
    opacity: 0;
    transform: translateY(-80px) translateX(20px) scale(0.5);
  }
}

/* 内容区域 */
.intro-content {
  position: relative;
  z-index: 2;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* LOGO */
.intro-logo {
  width: 140px;
  height: 140px;
  margin-bottom: 2.5rem;
  opacity: 0;
  transform: translateY(20px) scale(0.95);
  animation: fadeUpIn 1.8s cubic-bezier(0.22, 1, 0.36, 1) 0.2s forwards;
  background: transparent;
  border-radius: 0;
  padding: 0;
}

.intro-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: transparent;
  border-radius: 0;
  box-shadow: none;
  filter: drop-shadow(0 2px 10px rgba(74, 56, 45, 0.1));
}

@keyframes fadeUpIn {
  0% {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* 装饰线 */
.intro-line {
  width: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(168, 94, 73, 0.4),
    transparent
  );
  margin-bottom: 2rem;
  animation: expandLine 1.5s cubic-bezier(0.4, 0, 0.2, 1) 0.6s forwards;
}

@keyframes expandLine {
  0% { width: 0; opacity: 0; }
  100% { width: 160px; opacity: 1; }
}

/* 主标题 */
.intro-title {
  margin: 0 0 1.5rem;
  opacity: 0;
  transform: translateY(15px);
  animation: fadeUpIn 1.5s cubic-bezier(0.22, 1, 0.36, 1) 1s forwards;
}

.intro-title-main {
  display: block;
  font-family: 'Noto Serif SC', 'STSong', 'SimSun', serif;
  font-size: 3.5rem;
  font-weight: 600;
  color: #4A382D;
  letter-spacing: 0.4em;
  text-indent: 0.4em;
  margin-bottom: 0.6rem;
  text-shadow: 0 2px 10px rgba(74, 56, 45, 0.1);
}

.intro-title-sub {
  display: block;
  font-size: 1.2rem;
  font-weight: 400;
  color: #A85E49;
  letter-spacing: 0.8em;
  text-indent: 0.8em;
}

/* 引言 */
.intro-quote {
  font-size: 1rem;
  color: rgba(74, 56, 45, 0.6);
  margin: 0;
  opacity: 0;
  letter-spacing: 0.25em;
  animation: fadeUpIn 1.2s ease-out 1.6s forwards;
  font-style: italic;
}

/* 角落装饰 */
.intro-corner-tl,
.intro-corner-br {
  position: absolute;
  width: 50px;
  height: 50px;
  opacity: 0;
  animation: cornerIn 1s ease-out 0.4s forwards;
}

.intro-corner-tl {
  top: 30px;
  left: 30px;
}

.intro-corner-br {
  bottom: 30px;
  right: 30px;
}

.intro-corner-tl::before,
.intro-corner-tl::after,
.intro-corner-br::before,
.intro-corner-br::after {
  content: '';
  position: absolute;
  background: rgba(168, 94, 73, 0.3);
}

.intro-corner-tl::before,
.intro-corner-br::before {
  width: 100%;
  height: 1px;
}

.intro-corner-tl::after,
.intro-corner-br::after {
  width: 1px;
  height: 100%;
}

.intro-corner-tl::before { top: 0; left: 0; }
.intro-corner-tl::after { top: 0; left: 0; }
.intro-corner-br::before { bottom: 0; right: 0; }
.intro-corner-br::after { bottom: 0; right: 0; }

@keyframes cornerIn {
  0% { opacity: 0; }
  100% { opacity: 1; }
}

/* 进度条 */
.intro-progress {
  position: absolute;
  bottom: 50px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 2px;
  background: rgba(74, 56, 45, 0.1);
  border-radius: 1px;
  overflow: hidden;
  opacity: 0;
  animation: fadeIn 0.8s ease-out 2s forwards;
}

.intro-progress::after {
  content: '';
  display: block;
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, #A85E49, #E6C5AF);
  animation: progressFill 3s linear 2s forwards;
}

@keyframes progressFill {
  to { width: 100%; }
}

@keyframes fadeIn {
  to { opacity: 1; }
}

/* 响应式 */
@media (max-width: 768px) {
  .intro-logo {
    width: 100px;
    height: 100px;
    margin-bottom: 2rem;
  }
  
  .intro-title-main {
    font-size: 2.2rem;
    letter-spacing: 0.25em;
    text-indent: 0.25em;
  }
  
  .intro-title-sub {
    font-size: 1rem;
    letter-spacing: 0.5em;
    text-indent: 0.5em;
  }
  
  .intro-quote {
    font-size: 0.9rem;
    letter-spacing: 0.15em;
  }
  
  .intro-corner-tl,
  .intro-corner-br {
    width: 35px;
    height: 35px;
    top: 20px;
    left: 20px;
  }
  
  .intro-corner-br {
    bottom: 20px;
    right: 20px;
    top: auto;
    left: auto;
  }
  
  .intro-line {
    height: 0;
    margin-bottom: 1.5rem;
  }
  
  .intro-progress {
    bottom: 35px;
  }
}
  width: 60px;
  height: 60px;
  opacity: 0;
  animation: cornerReveal 1s ease-out 0.4s forwards;
}

.intro-corner-tl::before,
.intro-corner-tl::after {
  content: '';
  position: absolute;
  background: rgba(230, 197, 175, 0.4);
}

.intro-corner-tl::before {
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
}

.intro-corner-tl::after {
  top: 0;
  left: 0;
  width: 1px;
  height: 100%;
}

/* 角落装饰 - 右下 */
.intro-corner-br {
  position: absolute;
  bottom: 40px;
  right: 40px;
  width: 60px;
  height: 60px;
  opacity: 0;
  animation: cornerReveal 1s ease-out 0.4s forwards;
}

.intro-corner-br::before,
.intro-corner-br::after {
  content: '';
  position: absolute;
  background: rgba(230, 197, 175, 0.4);
}

.intro-corner-br::before {
  bottom: 0;
  right: 0;
  width: 100%;
  height: 1px;
}

.intro-corner-br::after {
  bottom: 0;
  right: 0;
  width: 1px;
  height: 100%;
}

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

/* 进度指示器 */
.intro-progress {
  position: absolute;
  bottom: 60px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  opacity: 0;
  animation: fadeIn 0.8s ease-out 2s forwards;
}

.progress-dot {
  width: 30px;
  height: 2px;
  background: rgba(230, 197, 175, 0.3);
  border-radius: 1px;
  overflow: hidden;
}

.progress-dot::after {
  content: '';
  display: block;
  width: 0%;
  height: 100%;
  background: rgba(230, 197, 175, 0.8);
  animation: progressFill 3s linear 2s forwards;
}

@keyframes progressFill {
  to { width: 100%; }
}

/* 响应式 */
@media (max-width: 768px) {
  .intro-logo {
    width: 100px;
    height: 100px;
    margin-bottom: 2rem;
  }
  
  .intro-title-main {
    font-size: 2.5rem;
    letter-spacing: 0.25em;
    text-indent: 0.25em;
  }
  
  .intro-title-sub {
    font-size: 1rem;
    letter-spacing: 0.5em;
    text-indent: 0.5em;
  }
  
  .intro-quote {
    font-size: 0.85rem;
    letter-spacing: 0.15em;
  }
  
  .intro-corner-tl,
  .intro-corner-br {
    width: 40px;
    height: 40px;
    top: 20px;
    left: 20px;
    bottom: 20px;
    right: 20px;
  }
  
  .intro-line {
    height: 50px;
  }
  
  .intro-progress {
    bottom: 40px;
  }
}