/* ====== 滚动动画效果 ====== */

/* 基础淡入动画 */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* 从左淡入 */
.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

/* 从右淡入 */
.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* 从下淡入 */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* 缩放淡入 */
.scale-in {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

/* 旋转淡入 */
.rotate-in {
  opacity: 0;
  transform: rotate(-5deg) scale(0.95);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.rotate-in.visible {
  opacity: 1;
  transform: rotate(0) scale(1);
}

/* 模糊淡入 */
.blur-in {
  opacity: 0;
  filter: blur(10px);
  transform: translateY(20px);
  transition: opacity 0.8s ease, filter 0.8s ease, transform 0.8s ease;
}

.blur-in.visible {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0);
}

/* 弹跳效果 */
.bounce-in {
  opacity: 0;
  transform: scale(0.8) translateY(50px);
  transition: opacity 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275), 
              transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.bounce-in.visible {
  opacity: 1;
  transform: scale(1) translateY(0);
}

/* 阶梯动画 - 用于列表项 */
.stagger-item {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger-item.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 延迟动画 */

/* 标准延时（0-1000ms，每100ms一个级别） */
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }
.delay-500 { transition-delay: 500ms; }
.delay-600 { transition-delay: 600ms; }
.delay-700 { transition-delay: 700ms; }
.delay-800 { transition-delay: 800ms; }
.delay-900 { transition-delay: 900ms; }
.delay-1000 { transition-delay: 1000ms; }

/* 更长延时（1-5秒） */
.delay-1s { transition-delay: 1s; }
.delay-1-5s { transition-delay: 1.5s; }
.delay-2s { transition-delay: 2s; }
.delay-2-5s { transition-delay: 2.5s; }
.delay-3s { transition-delay: 3s; }
.delay-4s { transition-delay: 4s; }
.delay-5s { transition-delay: 5s; }

/* 用于列表项的阶梯延时 */
.stagger-delay-1 { transition-delay: 100ms; }
.stagger-delay-2 { transition-delay: 200ms; }
.stagger-delay-3 { transition-delay: 300ms; }
.stagger-delay-4 { transition-delay: 400ms; }
.stagger-delay-5 { transition-delay: 500ms; }
.stagger-delay-6 { transition-delay: 600ms; }
.stagger-delay-7 { transition-delay: 700ms; }
.stagger-delay-8 { transition-delay: 800ms; }

/* 减慢动画速度 */
.slow { transition-duration: 2s; }
.slower { transition-duration: 3s; }
.slowest { transition-duration: 5s; }
/* 列表容器 */
.stagger-list {
  counter-reset: stagger-counter;
}

/* 列表项自动添加递增延时 */
.stagger-list > .stagger-item {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
  transition-delay: calc(var(--stagger-index, 0) * 100ms);
}

.stagger-list > .stagger-item.visible {
  opacity: 1;
  transform: translateY(0);
}


/* 动画完成前防止滚动闪烁 */
[class*="fade-"], 
[class*="scale-"], 
[class*="rotate-"],
[class*="blur-"],
[class*="bounce-"] {
  will-change: opacity, transform, filter;
}

/* 禁用动画的用户偏好 */
@media (prefers-reduced-motion: reduce) {
  [class*="fade-"], 
  [class*="scale-"], 
  [class*="rotate-"],
  [class*="blur-"],
  [class*="bounce-"],
  .stagger-item {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
    transition: none !important;
  }
}

/* ====== 新增动画效果 ====== */

/* 1. 宽度滑动效果 - 从左到右 */
.slide-in-right {
  opacity: 0;
  transform: translateX(-100%);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* 2. 宽度滑动效果 - 从右到左 */
.slide-in-left {
  opacity: 0;
  transform: translateX(100%);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

/* 3. 高度滑动效果 - 从上到下 */
.slide-in-down {
  opacity: 0;
  transform: translateY(-100%);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-down.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 4. 高度滑动效果 - 从下到上 */
.slide-in-up {
  opacity: 0;
  transform: translateY(100%);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* 5. 折叠展开效果（宽度从0到100%） */
.width-expand {
  opacity: 0;
  max-width: 0;
  overflow: hidden;
  transition: opacity 0.8s ease, max-width 0.8s ease;
}

.width-expand.visible {
  opacity: 1;
  max-width: 100%;
}

/* 6. 折叠展开效果（高度从0到100%） */
.height-expand {
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: opacity 0.8s ease, max-height 0.8s ease;
}

.height-expand.visible {
  opacity: 1;
  max-height: 100vh; /* 或者根据内容调整 */
}

/* 7. 翻页效果 */
.flip-in {
  opacity: 0;
  transform: perspective(1000px) rotateY(90deg);
  transition: opacity 0.8s ease, transform 0.8s ease;
  transform-origin: left center;
}

.flip-in.visible {
  opacity: 1;
  transform: perspective(1000px) rotateY(0deg);
}

/* 8. 卡片翻转效果 */
.card-flip {
  opacity: 0;
  transform: perspective(1000px) rotateX(90deg);
  transition: opacity 0.6s ease, transform 0.6s ease;
  transform-origin: top center;
}

.card-flip.visible {
  opacity: 1;
  transform: perspective(1000px) rotateX(0deg);
}

/* 9. 弹跳进入效果（更明显的弹跳） */
.bounce-in-strong {
  opacity: 0;
  transform: scale(0.3) translateY(100px);
  animation: bounceIn 1s cubic-bezier(0.68, -0.55, 0.265, 1.55) forwards;
}

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3) translateY(100px);
  }
  50% {
    opacity: 1;
    transform: scale(1.05) translateY(-20px);
  }
  70% {
    transform: scale(0.95) translateY(10px);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* 10. 波浪效果 */
.wave-in {
  opacity: 0;
  transform: translateY(30px) scale(0.95);
  animation: waveIn 1.2s ease-out forwards;
}

@keyframes waveIn {
  0% {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
  }
  50% {
    opacity: 0.7;
    transform: translateY(-10px) scale(1.02);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* 11. 打字机效果（需要配合JS） */
.typewriter {
  opacity: 0;
  overflow: hidden;
  white-space: nowrap;
  border-right: 3px solid #ffb6c1; /* 光标效果 */
  animation: typing 3.5s steps(40, end) forwards, blink-caret 0.75s step-end infinite;
}

@keyframes typing {
  from { 
    width: 0; 
    opacity: 1;
  }
  to { 
    width: 100%; 
    opacity: 1;
  }
}

@keyframes blink-caret {
  from, to { border-color: transparent; }
  50% { border-color: #ffb6c1; }
}

/* ====== 持续旋转动画（用于花朵） ====== */

/* 基础旋转动画 */
.rotate-continuous {
  animation: rotate 10s linear infinite;
}

/* 反向旋转 */
.rotate-reverse {
  animation: rotate 10s linear infinite reverse;
}

/* 缓慢旋转 */
.rotate-slow {
  animation: rotate 20s linear infinite;
}

/* 快速旋转 */
.rotate-fast {
  animation: rotate 3s linear infinite;
}

/* 非常慢的旋转 */
.rotate-very-slow {
  animation: rotate 30s linear infinite;
}

/* 超快旋转 */
.rotate-very-fast {
  animation: rotate 1s linear infinite;
}

/* 旋转动画关键帧 */
@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* 旋转中心点调整 */
.rotate-center {
  transform-origin: center center;
}

.rotate-top-left {
  transform-origin: top left;
}

.rotate-top-right {
  transform-origin: top right;
}

.rotate-bottom-left {
  transform-origin: bottom left;
}

.rotate-bottom-right {
  transform-origin: bottom right;
}

/* 脉动旋转效果 */
.rotate-pulse {
  animation: rotatePulse 8s ease-in-out infinite;
}

@keyframes rotatePulse {
  0%, 100% {
    transform: rotate(0deg) scale(1);
  }
  25% {
    transform: rotate(90deg) scale(1.05);
  }
  50% {
    transform: rotate(180deg) scale(1);
  }
  75% {
    transform: rotate(270deg) scale(1.05);
  }
}

/* 摇摆旋转效果 */
.rotate-swing {
  animation: rotateSwing 6s ease-in-out infinite alternate;
}

@keyframes rotateSwing {
  0% {
    transform: rotate(-15deg);
  }
  100% {
    transform: rotate(15deg);
  }
}

/* 悬停时暂停旋转 */
.rotate-pause:hover {
  animation-play-state: paused;
}

/* ====== 自定义旋转速度类 ====== */

/* 你可以用这些类名来自定义旋转速度 */
.rotate-speed-1 { animation-duration: 60s; }   /* 非常慢 */
.rotate-speed-2 { animation-duration: 30s; }   /* 慢 */
.rotate-speed-3 { animation-duration: 15s; }   /* 中等 */
.rotate-speed-4 { animation-duration: 8s; }    /* 正常 */
.rotate-speed-5 { animation-duration: 4s; }    /* 快 */
.rotate-speed-6 { animation-duration: 2s; }    /* 很快 */
.rotate-speed-7 { animation-duration: 1s; }    /* 超快 */
.rotate-speed-8 { animation-duration: 0.5s; }  /* 极快 */

/* ====== 随机旋转效果 ====== */

/* 随机方向旋转 */
.rotate-random {
  animation: rotateRandom 15s ease-in-out infinite;
}

@keyframes rotateRandom {
  0% { transform: rotate(0deg); }
  25% { transform: rotate(90deg); }
  50% { transform: rotate(180deg); }
  75% { transform: rotate(270deg); }
  100% { transform: rotate(360deg); }
}

/* 3D旋转效果 */
.rotate-3d {
  animation: rotate3d 10s linear infinite;
}

@keyframes rotate3d {
  0% {
    transform: perspective(1000px) rotateX(0deg) rotateY(0deg);
  }
  50% {
    transform: perspective(1000px) rotateX(180deg) rotateY(180deg);
  }
  100% {
    transform: perspective(1000px) rotateX(360deg) rotateY(360deg);
  }
}

/* ====== 花瓣飘落效果 ====== */

/* 花瓣飘落动画 */
.petal-fall {
  position: absolute;
  animation: petalFall linear infinite;
}

/* 不同的飘落速度 */
.petal-fall-slow { animation-duration: 15s; }
.petal-fall-medium { animation-duration: 10s; }
.petal-fall-fast { animation-duration: 7s; }

/* 飘落同时旋转 */
.petal-fall-rotate {
  animation: petalFallRotate linear infinite;
}

@keyframes petalFall {
  0% {
    transform: translateY(-100px) translateX(0) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(100vh) translateX(100px) rotate(360deg);
    opacity: 0;
  }
}

@keyframes petalFallRotate {
  0% {
    transform: translateY(-100px) translateX(0) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(100vh) translateX(100px) rotate(1080deg);
    opacity: 0;
  }
}

/* ====== 动画完成前防止滚动闪烁 ====== */
[class*="slide-"],
[class*="width-"],
[class*="height-"],
[class*="flip-"],
[class*="card-"],
[class*="bounce-in-"],
[class*="wave-"],
[class*="rotate-"] {
  will-change: transform, opacity, width, height, max-width, max-height;
}

/* 禁用动画的用户偏好 */
@media (prefers-reduced-motion: reduce) {
  [class*="slide-"],
  [class*="width-"],
  [class*="height-"],
  [class*="flip-"],
  [class*="card-"],
  [class*="bounce-in-"],
  [class*="wave-"],
  [class*="rotate-"],
  [class*="petal-"] {
    animation: none !important;
    transform: none !important;
    opacity: 1 !important;
    transition: none !important;
  }
}
/* ====== 正确的画卷揭开效果（两步动画） ====== */


/* 5. 卷轴滚动效果 */
.scroll-uncover {
  position: relative;
  overflow: hidden;
}

.scroll-uncover::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #FF6E9E;
  border: 5px solid #FF6E9E;
  z-index: 2;
  transform: translateX(-100%);
  animation: scrollUncoverEffect 1.5s ease-out 0.5s forwards;
  animation-play-state: paused;
}

.scroll-uncover > * {
  position: relative;
  z-index: 1;
   transform: translateX(-100%);
  animation: scrollUncoverEffect2 1.5s ease-out 0.5s forwards;
  animation-play-state: paused;
}

.scroll-uncover.visible::before {
  animation-play-state: running;
}

.scroll-uncover.visible > * {
  animation-play-state: running;
}
@keyframes scrollUncoverEffect2 {
  0% {
    transform: translateX(-100%);
  }
  30% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(0%);
  }
}
@keyframes scrollUncoverEffect {
  0% {
    transform: translateX(-100%);
  }
  30% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(100%);
  }
}

/* 速度控制 */
.paper-uncover-slow::before,
.paper-uncover-slow::after {
  animation-duration: 1.5s !important;
}

.paper-uncover-fast::before,
.paper-uncover-fast::after {
  animation-duration: 0.7s !important;
}

.curtain-uncover-slow::before,
.curtain-uncover-slow::after {
  transition-duration: 1.8s !important;
}

.curtain-uncover-fast::before,
.curtain-uncover-fast::after {
  transition-duration: 0.8s !important;
}