/* ===== 扫描线效果 ===== */
@keyframes scanline {
  0% {
    transform: translateY(-100%);
  }
  100% {
    transform: translateY(100%);
  }
}

.animate-scanline {
  position: relative;
  overflow: hidden;
}

.animate-scanline::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    rgba(42, 157, 111, 0.1) 50%,
    transparent 100%
  );
  animation: scanline 3s linear infinite;
  pointer-events: none;
}

/* ===== 十字准星展开动画 ===== */
@keyframes crosshair-expand {
  0% {
    transform: scale(0) rotate(45deg);
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  100% {
    transform: scale(1) rotate(0deg);
    opacity: 1;
  }
}

.animate-crosshair {
  animation: crosshair-expand 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

/* 十字准星线条 */
.crosshair-line {
  position: absolute;
  background: var(--military-400);
}

.crosshair-line.horizontal {
  width: 20px;
  height: 2px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.crosshair-line.vertical {
  width: 2px;
  height: 20px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* ===== 数字滚动动画 ===== */
@keyframes digit-scroll {
  0% {
    transform: translateY(100%);
    opacity: 0;
  }
  20% {
    opacity: 1;
  }
  80% {
    opacity: 1;
  }
  100% {
    transform: translateY(-100%);
    opacity: 0;
  }
}

.animate-digit {
  display: inline-block;
  animation: digit-scroll 0.3s ease-out forwards;
}

/* 数字递增效果 */
@keyframes count-up {
  from {
    --num: 0;
  }
  to {
    --num: var(--target);
  }
}

.animate-count-up {
  animation: count-up 0.5s ease-out forwards;
  counter-reset: num var(--num);
}

.animate-count-up::after {
  content: counter(num);
}

/* ===== 边框流光效果 ===== */
@keyframes border-flow {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.animate-border-flow {
  position: relative;
  background: linear-gradient(
    90deg,
    var(--charcoal-800),
    var(--military-600),
    var(--darkgold-500),
    var(--military-600),
    var(--charcoal-800)
  );
  background-size: 300% 100%;
  animation: border-flow 3s ease infinite;
}

/* 流光边框容器 */
.border-flow-container {
  position: relative;
}

.border-flow-container::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 1px;
  border-radius: inherit;
  background: linear-gradient(
    90deg,
    var(--military-600),
    var(--darkgold-500),
    var(--military-600)
  );
  background-size: 200% 100%;
  animation: border-flow 2s linear infinite;
  -webkit-mask: 
    linear-gradient(#fff 0 0) content-box, 
    linear-gradient(#fff 0 0);
  mask: 
    linear-gradient(#fff 0 0) content-box, 
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* ===== 脉冲效果 ===== */
@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 5px var(--military-500), 0 0 10px var(--military-500);
  }
  50% {
    box-shadow: 0 0 15px var(--military-400), 0 0 25px var(--military-400);
  }
}

.animate-pulse-glow {
  animation: pulse-glow 2s ease-in-out infinite;
}

/* ===== 闪烁效果 ===== */
@keyframes blink {
  0%, 50% {
    opacity: 1;
  }
  51%, 100% {
    opacity: 0;
  }
}

.animate-blink {
  animation: blink 1s step-end infinite;
}

/* ===== 渐变扫描 ===== */
@keyframes gradient-shift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.animate-gradient {
  background-size: 200% 200%;
  animation: gradient-shift 5s ease infinite;
}

/* ===== 悬浮动画 ===== */
@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

/* ===== 数据流动效果 ===== */
@keyframes data-flow {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

.animate-data-flow {
  background: linear-gradient(
    90deg,
    transparent,
    rgba(42, 157, 111, 0.3),
    transparent
  );
  background-size: 50% 100%;
  animation: data-flow 2s linear infinite;
}