/* ===========================
   滚动动画
   =========================== */

/* 元素进入动画 */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* 加载提示 */
.toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: #1A2440;
  border: 1px solid rgba(79,127,255,0.4);
  color: #88AAFF;
  font-size: 14px;
  font-weight: 500;
  padding: 12px 24px;
  border-radius: 100px;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s ease;
  z-index: 200;
  white-space: nowrap;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}