/* 动画样式 */

/* 关键帧动画定义 */

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

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

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

/* 从左侧滑入 */
@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* 从右侧滑入 */
@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* 缩放进入 */
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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

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

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

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

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

/* 滚动触发动画类 */

/* 动画元素的初始状态（未激活） */
[data-animate] {
  opacity: 0;
}

/* 淡入动画 */
[data-animate="fade-in"] {
  opacity: 0;
}

[data-animate="fade-in"].animate {
  animation: fadeIn 0.8s var(--ease-out) forwards;
}

/* 淡入上移动画 */
[data-animate="fade-in-up"] {
  opacity: 0;
  transform: translateY(30px);
}

[data-animate="fade-in-up"].animate {
  animation: fadeInUp 0.8s var(--ease-out) forwards;
}

/* 淡入下移动画 */
[data-animate="fade-in-down"] {
  opacity: 0;
  transform: translateY(-30px);
}

[data-animate="fade-in-down"].animate {
  animation: fadeInDown 0.8s var(--ease-out) forwards;
}

/* 从左侧滑入动画 */
[data-animate="fade-in-left"] {
  opacity: 0;
  transform: translateX(-30px);
}

[data-animate="fade-in-left"].animate {
  animation: fadeInLeft 0.8s var(--ease-out) forwards;
}

/* 从右侧滑入动画 */
[data-animate="fade-in-right"] {
  opacity: 0;
  transform: translateX(30px);
}

[data-animate="fade-in-right"].animate {
  animation: fadeInRight 0.8s var(--ease-out) forwards;
}

/* 缩放进入动画 */
[data-animate="scale-in"] {
  opacity: 0;
  transform: scale(0.9);
}

[data-animate="scale-in"].animate {
  animation: scaleIn 0.8s var(--ease-out) forwards;
}

/* 交错动画（用于列表项） */
.stagger-item {
  opacity: 0;
  transform: translateY(20px);
}

.stagger-item.animate {
  animation: fadeInUp 0.6s var(--ease-out) forwards;
}

/* 为每个项目添加延迟 */
.stagger-item:nth-child(1).animate { animation-delay: 0.1s; }
.stagger-item:nth-child(2).animate { animation-delay: 0.2s; }
.stagger-item:nth-child(3).animate { animation-delay: 0.3s; }
.stagger-item:nth-child(4).animate { animation-delay: 0.4s; }
.stagger-item:nth-child(5).animate { animation-delay: 0.5s; }
.stagger-item:nth-child(6).animate { animation-delay: 0.6s; }
.stagger-item:nth-child(7).animate { animation-delay: 0.7s; }
.stagger-item:nth-child(8).animate { animation-delay: 0.8s; }
.stagger-item:nth-child(9).animate { animation-delay: 0.9s; }
.stagger-item:nth-child(10).animate { animation-delay: 1s; }

/* 页面加载动画 */
.page-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s var(--ease-out);
}

.page-loader.hidden {
  opacity: 0;
  pointer-events: none;
}

.loader-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top-color: var(--accent-gold);
  border-radius: 50%;
  animation: rotate 1s linear infinite;
}

/* Hero 区域特殊动画 */
.hero-content > * {
  opacity: 0;
  transform: translateY(30px);
}

.hero-content.loaded > * {
  animation: fadeInUp 0.8s var(--ease-out) forwards;
}

.hero-content.loaded > *:nth-child(1) {
  animation-delay: 0.2s;
}

.hero-content.loaded > *:nth-child(2) {
  animation-delay: 0.4s;
}

.hero-content.loaded > *:nth-child(3) {
  animation-delay: 0.6s;
}

.hero-content.loaded > *:nth-child(4) {
  animation-delay: 0.8s;
}

/* 悬停动画效果 */
.hover-lift {
  transition: transform var(--transition-base) var(--ease-out);
}

.hover-lift:hover {
  transform: translateY(-5px);
}

.hover-scale {
  transition: transform var(--transition-base) var(--ease-out);
}

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

.hover-rotate {
  transition: transform var(--transition-base) var(--ease-out);
}

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

/* 背景动画效果 */
.animated-gradient {
  background: linear-gradient(
    -45deg,
    var(--primary-dark),
    var(--primary-color),
    var(--tech-blue),
    var(--primary-color)
  );
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
}

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

/* 文字打字效果（可选） */
.typing-effect {
  overflow: hidden;
  border-right: 2px solid var(--accent-gold);
  white-space: nowrap;
  animation: typing 3s steps(40) 1s forwards, blink 0.75s step-end infinite;
}

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

/* 进度条动画 */
.progress-bar {
  position: relative;
  height: 8px;
  background-color: var(--bg-light);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(to right, var(--accent-gold), var(--accent-orange));
  border-radius: var(--radius-full);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1s var(--ease-out);
}

.progress-fill.animate {
  transform: scaleX(1);
}

/* 数字滚动动画 */
.counter {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--primary-color);
}

/* 视差滚动效果 */
.parallax {
  transition: transform 0.1s linear;
}

/* 加载状态 */
.loading {
  position: relative;
  pointer-events: none;
  opacity: 0.6;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid var(--primary-color);
  border-top-color: transparent;
  border-radius: 50%;
  animation: rotate 0.8s linear infinite;
}

/* 过渡效果 */
.transition-all {
  transition: all var(--transition-base) var(--ease-in-out);
}

.transition-colors {
  transition: color var(--transition-base) var(--ease-in-out),
              background-color var(--transition-base) var(--ease-in-out),
              border-color var(--transition-base) var(--ease-in-out);
}

.transition-transform {
  transition: transform var(--transition-base) var(--ease-in-out);
}

.transition-opacity {
  transition: opacity var(--transition-base) var(--ease-in-out);
}