/* 动画效果 */

/* 淡入上移 */
@keyframes fadeInUp {
  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); }
}

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

/* 数字计数 */
@keyframes countUp {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* 滑入 */
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

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

/* 光晕流动 */
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

/* 进入可视区触发 */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.reveal-right {
  opacity: 0;
  transform: translateX(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* 延迟 */
.delay-1 { transition-delay: 0.1s !important; }
.delay-2 { transition-delay: 0.2s !important; }
.delay-3 { transition-delay: 0.3s !important; }
.delay-4 { transition-delay: 0.4s !important; }

/* Hero 文字入场 */
.slide.active .slide-tag {
  animation: fadeInUp 0.7s ease 0.2s both;
}

.slide.active .slide-text h1 {
  animation: fadeInUp 0.7s ease 0.4s both;
}

.slide.active .slide-desc {
  animation: fadeInUp 0.7s ease 0.55s both;
}

.slide.active .slide-actions {
  animation: fadeInUp 0.7s ease 0.7s both;
}

.slide.active .slide-visual {
  animation: fadeInRight 0.9s ease 0.5s both;
}

/* 加载动画 */
.page-loader {
  position: fixed;
  inset: 0;
  background: var(--primary-dark);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.loader-logo {
  width: 100px; 
  height: 47px;
  display: flex;
  animation: pulse 1.5s ease infinite;
}

.loader-bar {
  width: 200px;
  height: 3px;
  background: rgba(255,255,255,0.15);
  border-radius: 3px;
  overflow: hidden;
}

.loader-progress {
  height: 100%;
  background: linear-gradient(90deg, #0077cc, #64b5f6, #0077cc);
  background-size: 200% 100%;
  animation: shimmer 1.5s linear infinite;
  width: 60%;
  border-radius: 3px;
}

/* 鼠标悬浮波纹 */
.ripple-effect {
  position: relative;
  overflow: hidden;
}

.ripple-effect::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  transform: scale(0);
  opacity: 1;
  transition: transform 0.5s, opacity 0.5s;
  pointer-events: none;
}

.ripple-effect:active::after {
  transform: scale(4);
  opacity: 0;
}

/* 导航栏进入动画 */
.main-header {
  animation: slideDown 0.5s ease 0.1s both;
}

/* 数字跳动 */
.counter-wrap {
  overflow: hidden;
}