/* ===================================
   动画 & 特效
   =================================== */

/* 呼吸灯动画 */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 240, 255, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(0, 240, 255, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 240, 255, 0);
    }
}

.instruction-hint {
    animation: pulse 2s infinite;
}

/* 卡片进场动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

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

.rotating {
    animation: rotate 2s linear infinite;
}

/* 缩放脉冲动画 */
@keyframes scalePulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.scale-pulse {
    animation: scalePulse 2s ease-in-out infinite;
}

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

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

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

.slide-in-left {
    animation: slideInLeft 0.5s ease-out;
}

/* 移动端性能优化 - 使用硬件加速 */
@media (max-width: 768px) {
    .company-card,
    .job-card,
    .segment-card {
        will-change: transform;
        transform: translateZ(0);
        -webkit-backface-visibility: hidden;
        backface-visibility: hidden;
    }
}

/* 减弱动画（针对低性能设备） */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}