/* 动画样式文件 - 滚动渐显和数字滚动动画 */

/* 基础动画类 */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* 延迟动画 */
.animate-on-scroll[data-delay="50"] { transition-delay: 0.05s; }
.animate-on-scroll[data-delay="100"] { transition-delay: 0.1s; }
.animate-on-scroll[data-delay="150"] { transition-delay: 0.15s; }
.animate-on-scroll[data-delay="200"] { transition-delay: 0.2s; }
.animate-on-scroll[data-delay="250"] { transition-delay: 0.25s; }
.animate-on-scroll[data-delay="300"] { transition-delay: 0.3s; }
.animate-on-scroll[data-delay="350"] { transition-delay: 0.35s; }
.animate-on-scroll[data-delay="400"] { transition-delay: 0.4s; }
.animate-on-scroll[data-delay="450"] { transition-delay: 0.45s; }
.animate-on-scroll[data-delay="500"] { transition-delay: 0.5s; }

/* 淡入动画 */
.animate-fade-in {
  opacity: 0;
  animation: fadeIn 0.8s ease forwards;
}

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

/* 向上淡入动画 */
.animate-fade-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.8s ease forwards;
}

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

/* 延迟淡入动画 */
.animate-fade-up[data-delay="100"] { animation-delay: 0.1s; }
.animate-fade-up[data-delay="200"] { animation-delay: 0.2s; }
.animate-fade-up[data-delay="300"] { animation-delay: 0.3s; }
.animate-fade-up[data-delay="400"] { animation-delay: 0.4s; }
.animate-fade-up[data-delay="500"] { animation-delay: 0.5s; }

/* 向左淡入动画 */
.animate-fade-left {
  opacity: 0;
  transform: translateX(-30px);
  animation: fadeLeft 0.8s ease forwards;
}

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

/* 向右淡入动画 */
.animate-fade-right {
  opacity: 0;
  transform: translateX(30px);
  animation: fadeRight 0.8s ease forwards;
}

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

/* 缩放淡入动画 */
.animate-scale-in {
  opacity: 0;
  transform: scale(0.9);
  animation: scaleIn 0.6s ease forwards;
}

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

/* 旋转进入动画 */
.animate-rotate-in {
  opacity: 0;
  transform: rotate(-10deg) scale(0.9);
  animation: rotateIn 0.7s ease forwards;
}

@keyframes rotateIn {
  from {
    opacity: 0;
    transform: rotate(-10deg) scale(0.9);
  }
  to {
    opacity: 1;
    transform: rotate(0) scale(1);
  }
}

/* 弹跳动画 */
.animate-bounce-in {
  opacity: 0;
  transform: scale(0.3);
  animation: bounceIn 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55) forwards;
}

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

/* 翻转动画 */
.animate-flip-in {
  opacity: 0;
  transform: perspective(400px) rotateY(90deg);
  animation: flipIn 0.7s ease forwards;
}

@keyframes flipIn {
  from {
    opacity: 0;
    transform: perspective(400px) rotateY(90deg);
  }
  to {
    opacity: 1;
    transform: perspective(400px) rotateY(0);
  }
}

/* 数字滚动动画容器 */
.stat-number {
  font-variant-numeric: tabular-nums; /* 确保数字等宽 */
}

/* 按钮悬停动画 */
.button, .nav-button, .btn {
  position: relative;
  overflow: hidden;
}

.button::after, .nav-button::after, .btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.button:hover::after, .nav-button:hover::after, .btn:hover::after {
  width: 300px;
  height: 300px;
}

/* 卡片悬停动画 */
.card, .format-card, .download-card, .tutorial-item {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover, .format-card:hover, .download-card:hover, .tutorial-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

/* 导航链接下划线动画 */
.nav-link {
  position: relative;
}

.nav-link::before {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--secondary);
  transition: width 0.3s ease;
}

.nav-link:hover::before {
  width: 100%;
}

/* 加载动画 */
.loading-spinner {
  display: inline-block;
  width: 1.5rem;
  height: 1.5rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 0.8s linear infinite;
}

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

/* 脉冲动画 */
.pulse {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.8;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

/* 闪烁动画 */
.blink {
  animation: blink 1s infinite;
}

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

/* 波浪动画 */
.wave {
  position: relative;
  overflow: hidden;
}

.wave::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  animation: wave 1.5s infinite;
}

@keyframes wave {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

/* 打字机效果 */
.typewriter {
  overflow: hidden;
  border-right: 2px solid var(--secondary);
  white-space: nowrap;
  animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

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

@keyframes blink-caret {
  from, to {
    border-color: transparent;
  }
  50% {
    border-color: var(--secondary);
  }
}

/* 渐变背景动画 */
.animated-gradient {
  background: linear-gradient(-45deg, var(--primary), var(--primary-light), var(--secondary), var(--accent));
  background-size: 400% 400%;
  animation: gradient 15s ease infinite;
}

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

/* 浮动动画 */
.float {
  animation: float 3s ease-in-out infinite;
}

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

/* 震动动画 */
.shake {
  animation: shake 0.5s ease-in-out;
}

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

/* 页面进入动画 */
.page-enter {
  animation: pageEnter 0.5s ease forwards;
}

@keyframes pageEnter {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 工具提示动画 */
.tooltip {
  position: relative;
}

.tooltip:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--dark);
  color: white;
  padding: 0.5rem 0.75rem;
  border-radius: 4px;
  font-size: 0.75rem;
  white-space: nowrap;
  z-index: 100;
  animation: tooltipFade 0.2s ease;
}

@keyframes tooltipFade {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(5px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

/* 响应式动画调整 */
@media (max-width: 768px) {
  .animate-on-scroll {
    transform: translateY(10px);
  }
  
  .animate-fade-up {
    transform: translateY(15px);
  }
  
  @keyframes fadeUp {
    from {
      opacity: 0;
      transform: translateY(15px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  .animate-fade-left,
  .animate-fade-right {
    transform: translateX(0);
  }
  
  @keyframes fadeLeft {
    from {
      opacity: 0;
    }
    to {
      opacity: 1;
    }
  }
  
  @keyframes fadeRight {
    from {
      opacity: 0;
    }
    to {
      opacity: 1;
    }
  }
}

/* 减少动画偏好设置 */
@media (prefers-reduced-motion: reduce) {
  .animate-on-scroll,
  .animate-fade-in,
  .animate-fade-up,
  .animate-fade-left,
  .animate-fade-right,
  .animate-scale-in,
  .animate-rotate-in,
  .animate-bounce-in,
  .animate-flip-in,
  .button::after,
  .nav-button::after,
  .btn::after,
  .loading-spinner,
  .pulse,
  .blink,
  .wave::after,
  .typewriter,
  .animated-gradient,
  .float,
  .shake,
  .page-enter,
  .tooltip:hover::after {
    animation: none !important;
    transition: none !important;
  }
  
  .animate-on-scroll {
    opacity: 1;
    transform: none;
  }
  
  .animate-fade-in,
  .animate-fade-up,
  .animate-fade-left,
  .animate-fade-right,
  .animate-scale-in,
  .animate-rotate-in,
  .animate-bounce-in,
  .animate-flip-in {
    opacity: 1;
    transform: none;
  }
  
  .card:hover,
  .format-card:hover,
  .download-card:hover,
  .tutorial-item:hover {
    transform: none;
  }
}