/* 动画关键帧 */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

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

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

@keyframes shimmer {
    0% {
        background-position: -200px 0;
    }
    100% {
        background-position: calc(200px + 100%) 0;
    }
}

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

@keyframes blink {
    50% {
        border-color: transparent;
    }
}

/* 动画类 */
.animate-text {
    opacity: 0;
    transform: translateY(30px);
    animation: slideInUp 1s ease forwards;
}

.animate-text.delay-1 {
    animation-delay: 0.3s;
}

.animate-text.delay-2 {
    animation-delay: 0.6s;
}

.animate-text.delay-3 {
    animation-delay: 0.9s;
}

.animate-text.delay-4 {
    animation-delay: 1.2s;
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.animate-on-scroll.delay-1 {
    transition-delay: 0.2s;
}

.animate-on-scroll.delay-2 {
    transition-delay: 0.4s;
}

.animate-on-scroll.delay-3 {
    transition-delay: 0.6s;
}

.animate-on-scroll.delay-4 {
    transition-delay: 0.8s;
}

.animate-on-scroll.delay-5 {
    transition-delay: 1s;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.animate-on-scroll.slide-left {
    transform: translateX(-50px);
}

.animate-on-scroll.slide-left.visible {
    transform: translateX(0);
}

.animate-on-scroll.slide-right {
    transform: translateX(50px);
}

.animate-on-scroll.slide-right.visible {
    transform: translateX(0);
}

.animate-on-scroll.fade-in {
    transform: none;
}

.animate-on-scroll.fade-in.visible {
    opacity: 1;
}

.animate-on-scroll.scale-in {
    transform: scale(0.8);
}

.animate-on-scroll.scale-in.visible {
    transform: scale(1);
}

/* 悬停动画 */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.hover-scale {
    transition: transform 0.3s ease;
}

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

.hover-rotate {
    transition: transform 0.3s ease;
}

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

.hover-bounce:hover {
    animation: bounce 0.6s ease;
}

/* 3D倾斜效果 */
[data-tilt] {
    transform-style: preserve-3d;
    transition: transform 0.3s ease;
}

/* 数字计数动画 */
.counting {
    display: inline-block;
    animation: pulse 0.1s ease-in-out;
}

/* 粒子动画 */
.particles {
    position: relative;
    overflow: hidden;
}

.particles::before,
.particles::after {
    content: '';
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(246, 173, 85, 0.6);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.particles::before {
    top: 20%;
    left: 20%;
    animation-delay: 0s;
}

.particles::after {
    top: 60%;
    right: 30%;
    animation-delay: 3s;
}

/* 进度条动画 */
.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-color), #ed8936);
    border-radius: 4px;
    width: 0;
    transition: width 2s ease;
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: shimmer 2s infinite;
}

/* 加载动画 */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(246, 173, 85, 0.3);
    border-top: 4px solid var(--accent-color);
    border-radius: 50%;
    animation: rotate 1s linear infinite;
    margin: 0 auto;
}

/* 打字机效果 */
.typewriter {
    overflow: hidden;
    border-right: 3px solid var(--accent-color);
    white-space: nowrap;
    margin: 0 auto;
    animation: typing 3s steps(40, end), blink 0.75s step-end infinite;
}

/* 波纹效果 */
.ripple {
    position: relative;
    overflow: hidden;
}

.ripple::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(246, 173, 85, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.ripple:hover::before {
    width: 300px;
    height: 300px;
}

/* 滑动揭示效果 */
.reveal-text {
    position: relative;
    overflow: hidden;
}

.reveal-text::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--accent-color);
    transform: translateX(-100%);
    transition: transform 0.8s ease;
}

.reveal-text.animate::after {
    transform: translateX(100%);
}

/* 弹性进入动画 */
@keyframes elasticIn {
    0% {
        opacity: 0;
        transform: scale(0.3) rotate(-10deg);
    }
    50% {
        transform: scale(1.05) rotate(2deg);
    }
    70% {
        transform: scale(0.9) rotate(-1deg);
    }
    100% {
        opacity: 1;
        transform: scale(1) rotate(0deg);
    }
}

.elastic-in {
    animation: elasticIn 0.8s ease;
}

/* 闪烁强调 */
@keyframes flash {
    0%, 50%, 100% {
        opacity: 1;
    }
    25%, 75% {
        opacity: 0.5;
    }
}

.flash-highlight {
    animation: flash 2s ease infinite;
}

/* 渐变背景动画 */
@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.animated-gradient {
    background: linear-gradient(
        -45deg,
        var(--primary-color),
        var(--secondary-color),
        var(--accent-color),
        #ed8936
    );
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

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

.shake {
    animation: shake 0.6s ease-in-out;
}

/* 心跳效果 */
@keyframes heartbeat {
    0%, 100% {
        transform: scale(1);
    }
    14% {
        transform: scale(1.1);
    }
    28% {
        transform: scale(1);
    }
    42% {
        transform: scale(1.1);
    }
    70% {
        transform: scale(1);
    }
}

.heartbeat {
    animation: heartbeat 1.5s ease-in-out infinite;
}

/* 响应式动画优化 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

@media (max-width: 768px) {
    /* 移动端动画优化 */
    .animate-on-scroll {
        transform: translateY(20px);
    }
    
    .particles::before,
    .particles::after {
        display: none; /* 移动端隐藏粒子效果 */
    }
    
    .floating-card {
        animation: none; /* 移动端禁用浮动动画 */
    }
    
    .hover-lift:hover {
        transform: none; /* 移动端禁用悬停效果 */
    }
}

/* 性能优化 */
.will-change-transform {
    will-change: transform;
}

.will-change-opacity {
    will-change: opacity;
}

.gpu-accelerated {
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
}