/**
 * ============================================
 * 星辰星联 - 动画样式 (animations.css)
 * ============================================
 * 包含：滚动显示动画、悬停效果、过渡动画、关键帧动画
 * 适用范围：所有页面
 */

/* ============================================
   滚动显示动画 (Scroll Reveal)
   ============================================ */

/* 基础淡入上移动画 */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* 从左侧滑入 */
.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-left.active {
  opacity: 1;
  transform: translateX(0);
}

/* 从右侧滑入 */
.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-right.active {
  opacity: 1;
  transform: translateX(0);
}

/* 缩放淡入 */
.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-scale.active {
  opacity: 1;
  transform: scale(1);
}

/* 淡入 (Fade In) */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.fade-in.active {
  opacity: 1;
  transform: translateY(0);
}

/* 上滑入 (Slide Up) */
.slide-up {
  opacity: 0;
  transform: translateY(60px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), 
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.slide-up.active {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   子元素交错动画 (Stagger Children)
   ============================================ */

.stagger-children > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.stagger-children.active > * {
  opacity: 1;
  transform: translateY(0);
}

/* 交错延迟 - 支持最多12个子元素 */
.stagger-children.active > *:nth-child(1) { transition-delay: 0s; }
.stagger-children.active > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-children.active > *:nth-child(3) { transition-delay: 0.2s; }
.stagger-children.active > *:nth-child(4) { transition-delay: 0.3s; }
.stagger-children.active > *:nth-child(5) { transition-delay: 0.4s; }
.stagger-children.active > *:nth-child(6) { transition-delay: 0.5s; }
.stagger-children.active > *:nth-child(7) { transition-delay: 0.6s; }
.stagger-children.active > *:nth-child(8) { transition-delay: 0.7s; }
.stagger-children.active > *:nth-child(9) { transition-delay: 0.8s; }
.stagger-children.active > *:nth-child(10) { transition-delay: 0.9s; }
.stagger-children.active > *:nth-child(11) { transition-delay: 1s; }
.stagger-children.active > *:nth-child(12) { transition-delay: 1.1s; }

/* 快速交错 */
.stagger-fast > *:nth-child(1) { transition-delay: 0s; }
.stagger-fast > *:nth-child(2) { transition-delay: 0.05s; }
.stagger-fast > *:nth-child(3) { transition-delay: 0.1s; }
.stagger-fast > *:nth-child(4) { transition-delay: 0.15s; }
.stagger-fast > *:nth-child(5) { transition-delay: 0.2s; }
.stagger-fast > *:nth-child(6) { transition-delay: 0.25s; }

/* ============================================
   关键帧动画 (Keyframes)
   ============================================ */

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

/* 淡入上移 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 淡入下移 */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 淡入左移 */
@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* 淡入右移 */
@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* 缩放淡入 */
@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* 弹跳效果 */
@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

/* 脉冲效果 */
@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.8;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

/* 闪烁效果 */
@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

/* 旋转 */
@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* 浮动效果 */
@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* 摇晃效果 */
@keyframes shake {
  0%, 100% {
    transform: translateX(0);
  }
  10%, 30%, 50%, 70%, 90% {
    transform: translateX(-5px);
  }
  20%, 40%, 60%, 80% {
    transform: translateX(5px);
  }
}

/* 数字滚动效果 */
@keyframes countUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   动画工具类
   ============================================ */

/* 动画持续时间 */
.animate-fast {
  animation-duration: 0.3s;
}

.animate-normal {
  animation-duration: 0.6s;
}

.animate-slow {
  animation-duration: 1s;
}

.animate-slower {
  animation-duration: 1.5s;
}

/* 动画填充模式 */
.animate-fill-forwards {
  animation-fill-mode: forwards;
}

.animate-fill-both {
  animation-fill-mode: both;
}

/* 动画延迟 */
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }
.delay-600 { animation-delay: 0.6s; }
.delay-700 { animation-delay: 0.7s; }
.delay-800 { animation-delay: 0.8s; }
.delay-900 { animation-delay: 0.9s; }
.delay-1000 { animation-delay: 1s; }

/* 应用动画 */
.animate-fade-in {
  animation: fadeIn 0.6s ease forwards;
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

.animate-fade-in-down {
  animation: fadeInDown 0.6s ease forwards;
}

.animate-fade-in-left {
  animation: fadeInLeft 0.6s ease forwards;
}

.animate-fade-in-right {
  animation: fadeInRight 0.6s ease forwards;
}

.animate-fade-in-scale {
  animation: fadeInScale 0.6s ease forwards;
}

.animate-bounce {
  animation: bounce 1s ease infinite;
}

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

.animate-shimmer {
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  background-size: 200% 100%;
  animation: shimmer 2s infinite;
}

.animate-spin {
  animation: spin 1s linear infinite;
}

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

.animate-shake {
  animation: shake 0.5s ease;
}

/* ============================================
   悬停效果 (Hover Effects)
   ============================================ */

/* 上浮效果 */
.hover-lift {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* 缩放效果 */
.hover-scale {
  transition: transform 0.3s ease;
}

/* 缩放并阴影 */
.hover-scale-shadow {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* 右移效果 */
.hover-shift-right {
  transition: transform 0.3s ease;
}

/* 下划线效果 */
.hover-underline {
  position: relative;
}

.hover-underline::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: width 0.3s ease;
}

/* 背景填充效果 */
.hover-fill {
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.hover-fill::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  background-color: var(--primary);
  transition: width 0.3s ease;
  z-index: -1;
}

/* 发光效果 */
.hover-glow {
  transition: box-shadow 0.3s ease;
}

/* 边框颜色变化 */
.hover-border {
  transition: border-color 0.3s ease;
}

/* 透明度变化 */
.hover-fade {
  transition: opacity 0.3s ease;
}

/* 旋转效果 */
.hover-rotate {
  transition: transform 0.3s ease;
}

/* 图标右移动画 */
.hover-icon-shift .icon,
.hover-icon-shift svg {
  transition: transform 0.3s ease;
}

/* 悬停效果 - 仅在支持hover的设备上生效 */
@media (hover: hover) {
.hover-lift:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(0, 54, 252, 0.12);
}

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

.hover-scale-shadow:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 15px rgba(0, 54, 252, 0.3);
}

.hover-shift-right:hover {
  transform: translateX(5px);
}

.hover-underline:hover::after {
  width: 100%;
}

.hover-fill:hover::before {
  width: 100%;
}

.hover-glow:hover {
  box-shadow: 0 0 20px rgba(0, 54, 252, 0.4);
}

.hover-border:hover {
  border-color: var(--primary);
}

.hover-fade:hover {
  opacity: 0.8;
}

.hover-rotate:hover {
  transform: rotate(5deg);
}

.hover-icon-shift:hover .icon,
.hover-icon-shift:hover svg {
  transform: translateX(4px);
}
}

/* ============================================
   卡片悬停效果
   ============================================ */

/* 卡片上浮 */
.card-hover {
  transition: transform 0.3s ease, 
              box-shadow 0.3s ease, 
              border-color 0.3s ease;
}

/* 卡片缩放 */
.card-hover-scale {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

@media (hover: hover) {
.card-hover:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(0, 54, 252, 0.12);
  border-color: var(--primary);
}

.card-hover-scale:hover {
  transform: scale(1.02);
  box-shadow: 0 20px 50px rgba(0, 54, 252, 0.12);
}
}

/* ============================================
   按钮悬停效果
   ============================================ */

/* 按钮上浮 */
.btn-hover-lift {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* 按钮缩放 */
.btn-hover-scale {
  transition: transform 0.3s ease;
}

@media (hover: hover) {
.btn-hover-lift:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 54, 252, 0.3);
}

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

.btn-hover-scale:active {
  transform: scale(0.98);
}

/* ============================================
   链接悬停效果
   ============================================ */

/* 链接下划线 */
.link-hover {
  position: relative;
  text-decoration: none;
}

.link-hover::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: currentColor;
  transition: width 0.3s ease;
}

/* 链接颜色渐变 */
.link-hover-color {
  transition: color 0.3s ease;
}

@media (hover: hover) {
.link-hover:hover::after {
  width: 100%;
}

.link-hover-color:hover {
  color: var(--primary);
}
}

/* ============================================
   图片悬停效果
   ============================================ */

/* 图片缩放 */
.img-hover-zoom {
  overflow: hidden;
}

.img-hover-zoom img {
  transition: transform 0.5s ease;
}

/* 图片亮度 */
.img-hover-brightness {
  transition: filter 0.3s ease;
}

@media (hover: hover) {
.img-hover-zoom:hover img {
  transform: scale(1.1);
}

.img-hover-brightness:hover {
  filter: brightness(1.1);
}
}

/* ============================================
   过渡效果
   ============================================ */

/* 快速过渡 */
.transition-fast {
  transition: all 0.2s ease;
}

/* 标准过渡 */
.transition-base {
  transition: all 0.3s ease;
}

/* 慢速过渡 */
.transition-slow {
  transition: all 0.5s ease;
}

/* 特定属性过渡 */
.transition-transform {
  transition: transform 0.3s ease;
}

.transition-opacity {
  transition: opacity 0.3s ease;
}

.transition-colors {
  transition: color 0.3s ease, background-color 0.3s ease, border-color 0.3s ease;
}

.transition-shadow {
  transition: box-shadow 0.3s ease;
}

/* ============================================
   加载动画
   ============================================ */

/* 加载旋转器 */
.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(0, 54, 252, 0.1);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* 加载点 */
.loading-dots {
  display: flex;
  gap: 8px;
}

.loading-dots span {
  width: 8px;
  height: 8px;
  background-color: var(--primary);
  border-radius: 50%;
  animation: pulse 1.4s ease-in-out infinite both;
}

.loading-dots span:nth-child(1) {
  animation-delay: -0.32s;
}

.loading-dots span:nth-child(2) {
  animation-delay: -0.16s;
}

/* 骨架屏 */
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 4px;
}

/* ============================================
   性能优化
   ============================================ */

/* 启用GPU加速 */
.gpu-accelerated {
  transform: translateZ(0);
  will-change: transform, opacity;
}

/* 减少动画 (尊重用户偏好) */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .reveal,
  .reveal-left,
  .reveal-right,
  .reveal-scale,
  .fade-in,
  .slide-up {
    opacity: 1;
    transform: none;
  }
}

/* ============================================
   特定组件动画
   ============================================ */

/* 模态框动画 */
.modal-enter {
  opacity: 0;
  transform: scale(0.95);
}

.modal-enter-active {
  opacity: 1;
  transform: scale(1);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.modal-exit {
  opacity: 1;
  transform: scale(1);
}

.modal-exit-active {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

/* 提示框动画 */
.tooltip-enter {
  opacity: 0;
  transform: translateY(10px);
}

.tooltip-enter-active {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

/* 轮播滑动动画 */
.carousel-slide {
  transition: transform 500ms cubic-bezier(0.25, 0.1, 0.25, 1);
}

/* 轮播指示点动画 */
.carousel-dot {
  transition: all 300ms ease;
}

.carousel-dot.active {
  transform: scale(1.3);
}

/* ============================================
   移动端性能优化 - 减少交错延迟
   ============================================ */
@media (max-width: 768px) {
  .stagger-children.active > *:nth-child(n+7) {
    transition-delay: 0.5s !important;
  }
  .stagger-children.active > *:nth-child(n+10) {
    transition-delay: 0.6s !important;
  }
  .stagger-fast.active > *:nth-child(n+6) {
    transition-delay: 0.3s !important;
  }
}