/**
 * @file 动画样式文件
 * @author 前端川
 * @link www.cggg.cn
 * @description 页面动画效果，包括过渡、关键帧动画等
 */

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

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

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 5px rgba(37, 99, 235, 0.5);
  }
  50% {
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.8);
  }
}

@keyframes particleFloat {
  0% {
    transform: translateY(100vh) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(-100vh) rotate(720deg);
    opacity: 0;
  }
}

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

.animate-fade-in {
  animation: fadeIn 0.6s ease-out forwards;
}

.animate-fade-in-delay {
  animation: fadeIn 0.6s ease-out 0.2s forwards;
  opacity: 0;
}

.animate-fade-in-delay-2 {
  animation: fadeIn 0.6s ease-out 0.4s forwards;
  opacity: 0;
}

.animate-fade-in-delay-3 {
  animation: fadeIn 0.6s ease-out 0.6s forwards;
  opacity: 0;
}

.animate-slide-up {
  animation: fadeInUp 0.5s ease-out forwards;
  opacity: 0;
}

.animate-slide-left {
  animation: slideInLeft 0.5s ease-out forwards;
  opacity: 0;
}

.animate-slide-right {
  animation: slideInRight 0.5s ease-out forwards;
  opacity: 0;
}

.animate-scale-in {
  animation: scaleIn 0.4s ease-out forwards;
  opacity: 0;
}

.animate-pulse {
  animation: pulse 2s ease-in-out infinite;
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

.animate-glow {
  animation: glow 2s ease-in-out infinite;
}

.particle {
  position: absolute;
  width: 6px;
  height: 6px;
  background: var(--primary-light);
  border-radius: 50%;
  animation: particleFloat 15s linear infinite;
  opacity: 0.6;
}

.particle:nth-child(1) {
  left: 10%;
  animation-delay: 0s;
  animation-duration: 12s;
}

.particle:nth-child(2) {
  left: 20%;
  animation-delay: 2s;
  animation-duration: 14s;
}

.particle:nth-child(3) {
  left: 30%;
  animation-delay: 4s;
  animation-duration: 16s;
}

.particle:nth-child(4) {
  left: 40%;
  animation-delay: 1s;
  animation-duration: 13s;
}

.particle:nth-child(5) {
  left: 50%;
  animation-delay: 3s;
  animation-duration: 15s;
}

.particle:nth-child(6) {
  left: 60%;
  animation-delay: 5s;
  animation-duration: 11s;
}

.particle:nth-child(7) {
  left: 70%;
  animation-delay: 2.5s;
  animation-duration: 17s;
}

.particle:nth-child(8) {
  left: 80%;
  animation-delay: 4.5s;
  animation-duration: 14s;
}

.particle:nth-child(9) {
  left: 90%;
  animation-delay: 1.5s;
  animation-duration: 12s;
}

.particle:nth-child(10) {
  left: 95%;
  animation-delay: 3.5s;
  animation-duration: 16s;
}

.gradient-text {
  background: linear-gradient(135deg, #60a5fa 0%, #34d399 50%, #fbbf24 100%);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientMove 5s ease infinite;
}

.shimmer {
  background: linear-gradient(90deg, var(--bg-tertiary) 0%, var(--bg-hover) 50%, var(--bg-tertiary) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

.hover-lift {
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.hover-scale {
  transition: transform var(--transition-fast);
}

.hover-scale:hover {
  transform: scale(1.05);
}

.hover-glow {
  transition: box-shadow var(--transition-normal);
}

.hover-glow:hover {
  box-shadow: 0 0 30px rgba(37, 99, 235, 0.3);
}

.transition-all {
  transition: all var(--transition-normal);
}

.transition-transform {
  transition: transform var(--transition-normal);
}

.transition-opacity {
  transition: opacity var(--transition-normal);
}

.list-header,
.category-header {
  margin-bottom: 32px;
}

.page-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.list-content {
  min-height: 400px;
}

.articles-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.list-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.list-item:hover {
  transform: translateX(8px);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-lg);
}

.list-link {
  display: flex;
  gap: 24px;
  color: inherit;
}

.list-image {
  width: 240px;
  height: 160px;
  flex-shrink: 0;
  background: var(--bg-tertiary);
  overflow: hidden;
}

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

.list-item:hover .list-image img {
  transform: scale(1.1);
}

.list-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
}

.list-badge {
  position: absolute;
  left: 12px;
  top: 12px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
}

.list-badge.hot {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  color: white;
}

.list-content-inner {
  flex: 1;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.list-meta {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.meta-tag {
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 500;
}

.meta-tag.category {
  background: rgba(37, 99, 235, 0.15);
  color: var(--primary-light);
}

.meta-tag.type {
  background: rgba(16, 185, 129, 0.15);
  color: var(--secondary-color);
}

.list-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.list-summary {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
}

.list-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.list-game {
  font-size: 13px;
  color: var(--text-muted);
}

.list-stats {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--text-muted);
}

.category-header {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  padding: 40px 0;
  margin-bottom: 40px;
  border-radius: var(--radius-2xl);
}

.category-info {
  text-align: center;
}

.category-title {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.category-title svg {
  color: var(--primary-light);
}

.category-desc {
  font-size: 16px;
  color: var(--text-secondary);
}

.category-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
}

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

.category-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.search-header {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  padding: 60px 0;
  margin-bottom: 40px;
}

.search-box-large {
  max-width: 700px;
  margin: 0 auto;
}

.search-form-large {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.search-input-wrapper {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 8px 8px 8px 20px;
  transition: border-color var(--transition-fast);
}

.search-input-wrapper:focus-within {
  border-color: var(--primary-color);
}

.search-icon {
  color: var(--text-muted);
  flex-shrink: 0;
}

.search-input-large {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-primary);
  padding: 12px 16px;
  font-size: 18px;
  outline: none;
}

.search-input-large::placeholder {
  color: var(--text-muted);
}

.search-btn-large {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: white;
  padding: 14px 32px;
  border-radius: var(--radius-lg);
  font-size: 16px;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.search-btn-large:hover {
  transform: scale(1.02);
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.4);
}

.search-filters {
  display: flex;
  justify-content: center;
  gap: 16px;
}

.search-result-header {
  margin-bottom: 32px;
}

.result-title {
  font-size: 20px;
  color: var(--text-secondary);
}

.result-title .keyword {
  color: var(--primary-light);
  font-weight: 600;
}

.result-title .count {
  color: var(--text-primary);
  font-weight: 700;
}

.search-results {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.search-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.search-item:hover {
  transform: translateX(8px);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-lg);
}

.search-link {
  display: flex;
  gap: 24px;
  color: inherit;
}

.search-item-image {
  width: 200px;
  height: 140px;
  flex-shrink: 0;
  background: var(--bg-tertiary);
  overflow: hidden;
}

.search-item-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.search-item-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
}

.search-item-content {
  flex: 1;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.search-item-meta {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}

.search-item-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.search-item-title mark {
  background: rgba(37, 99, 235, 0.3);
  color: var(--primary-light);
  padding: 0 4px;
  border-radius: 2px;
}

.search-item-summary {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 12px;
}

.search-item-summary mark {
  background: rgba(37, 99, 235, 0.3);
  color: var(--primary-light);
  padding: 0 4px;
  border-radius: 2px;
}

.search-item-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.game-name {
  font-size: 13px;
  color: var(--text-muted);
}

.search-item-footer .stats {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--text-muted);
}

.search-welcome {
  text-align: center;
  padding: 80px 24px;
}

.welcome-icon {
  margin-bottom: 24px;
  color: var(--text-muted);
}

.welcome-title {
  font-size: 28px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.welcome-desc {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.hot-searches {
  max-width: 500px;
  margin: 0 auto;
}

.hot-searches .hot-title {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.hot-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.hot-tag {
  background: var(--bg-card);
  color: var(--text-secondary);
  padding: 10px 20px;
  border-radius: var(--radius-lg);
  font-size: 14px;
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.hot-tag:hover {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

.article-detail-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
}

.article-main {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.article-header {
  padding: 32px;
  border-bottom: 1px solid var(--border-color);
}

.article-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.article-breadcrumb a {
  color: var(--text-secondary);
}

.article-breadcrumb a:hover {
  color: var(--primary-light);
}

.article-breadcrumb .separator {
  color: var(--border-color);
}

.article-breadcrumb .current {
  color: var(--text-muted);
}

.article-detail-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: 20px;
}

.article-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.meta-left, .meta-right {
  display: flex;
  gap: 20px;
}

.article-meta .meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--text-secondary);
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.article-tags .tag {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: var(--radius-md);
  font-size: 13px;
  transition: all var(--transition-fast);
}

.article-tags .tag:hover {
  background: var(--primary-color);
  color: white;
}

.article-cover {
  width: 100%;
  max-height: 400px;
  overflow: hidden;
}

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

.article-summary {
  padding: 24px 32px;
  background: var(--bg-tertiary);
  border-left: 4px solid var(--primary-color);
  margin: 24px 32px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.article-summary p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  font-style: italic;
}

.article-content {
  padding: 24px 32px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-primary);
}

.article-content p {
  margin-bottom: 16px;
}

.article-content h2 {
  font-size: 22px;
  font-weight: 600;
  margin: 32px 0 16px;
  color: var(--text-primary);
}

.article-content h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 24px 0 12px;
  color: var(--text-primary);
}

.article-content ul, .article-content ol {
  margin: 16px 0;
  padding-left: 24px;
}

.article-content li {
  margin-bottom: 8px;
}

.article-content img {
  max-width: 100%;
  border-radius: var(--radius-md);
  margin: 16px 0;
}

.article-content code {
  background: var(--bg-tertiary);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 14px;
}

.article-content pre {
  background: var(--bg-tertiary);
  padding: 16px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: 16px 0;
}

.article-content pre code {
  background: none;
  padding: 0;
}

.article-footer {
  padding: 24px 32px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.article-actions {
  display: flex;
  gap: 12px;
}

.action-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.action-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.action-btn.like-btn:hover {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger-color);
}

.action-btn.like-btn.liked {
  background: var(--danger-color);
  color: white;
}

.article-source {
  font-size: 14px;
  color: var(--text-muted);
}

.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.article-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.info-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.info-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.info-label {
  font-size: 14px;
  color: var(--text-muted);
}

.info-value {
  font-size: 14px;
  color: var(--text-primary);
  font-weight: 500;
}

.related-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.related-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.related-item:hover {
  background: var(--bg-tertiary);
}

.related-link {
  display: flex;
  gap: 12px;
  color: inherit;
}

.related-image {
  width: 80px;
  height: 60px;
  border-radius: var(--radius-sm);
  object-fit: cover;
}

.related-placeholder {
  width: 80px;
  height: 60px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
}

.related-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.related-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-views {
  font-size: 12px;
  color: var(--text-muted);
}

@media (max-width: 1024px) {
  .article-detail-layout {
    grid-template-columns: 1fr;
  }
  
  .category-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .list-link {
    flex-direction: column;
  }
  
  .list-image {
    width: 100%;
    height: 200px;
  }
  
  .search-link {
    flex-direction: column;
  }
  
  .search-item-image {
    width: 100%;
    height: 180px;
  }
  
  .article-header {
    padding: 20px;
  }
  
  .article-content {
    padding: 20px;
  }
  
  .article-footer {
    flex-direction: column;
    gap: 16px;
    padding: 20px;
  }
  
  .article-actions {
    width: 100%;
    justify-content: center;
  }
}