@charset "utf-8";

/* ==========================================================================
   动画和过渡效果 - Animations & Transitions
   ========================================================================== */

/* 基础过渡效果 */
.transition {
    transition: all 0.3s ease;
}

.transition-fast {
    transition: all 0.15s ease;
}

.transition-slow {
    transition: all 0.5s ease;
}

.transition-colors {
    transition: color 0.3s ease, background-color 0.3s ease, border-color 0.3s ease;
}

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

.transition-opacity {
    transition: opacity 0.3s ease;
}

/* 悬停效果 */
.hover-lift:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

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

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

.hover-fade:hover {
    opacity: 0.8;
}

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(0, 5, 63, 0.3);
}

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

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        animation-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
        transform: translateY(0);
    }
    40%, 43% {
        animation-timing-function: cubic-bezier(0.755, 0.05, 0.855, 0.06);
        transform: translateY(-30px);
    }
    70% {
        animation-timing-function: cubic-bezier(0.755, 0.05, 0.855, 0.06);
        transform: translateY(-15px);
    }
    90% {
        transform: translateY(-4px);
    }
}

/* 无限动画 */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes wiggle {
    0%, 7% {
        transform: rotateZ(0);
    }
    15% {
        transform: rotateZ(-15deg);
    }
    20% {
        transform: rotateZ(10deg);
    }
    25% {
        transform: rotateZ(-10deg);
    }
    30% {
        transform: rotateZ(6deg);
    }
    35% {
        transform: rotateZ(-4deg);
    }
    40%, 100% {
        transform: rotateZ(0);
    }
}

/* 动画类 */
.animate-fade-in {
    animation: fadeIn 0.6s ease-out;
}

.animate-slide-in-up {
    animation: slideInUp 0.6s ease-out;
}

.animate-slide-in-down {
    animation: slideInDown 0.6s ease-out;
}

.animate-slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

.animate-slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

.animate-scale-in {
    animation: scaleIn 0.6s ease-out;
}

.animate-bounce-in {
    animation: bounceIn 0.6s ease-out;
}

.animate-spin {
    animation: spin 1s linear infinite;
}

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

.animate-bounce {
    animation: bounce 1s infinite;
}

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

.animate-wiggle {
    animation: wiggle 1s ease-in-out;
}

/* 延迟类 */
.animate-delay-100 { animation-delay: 0.1s; }
.animate-delay-200 { animation-delay: 0.2s; }
.animate-delay-300 { animation-delay: 0.3s; }
.animate-delay-500 { animation-delay: 0.5s; }
.animate-delay-700 { animation-delay: 0.7s; }
.animate-delay-1000 { animation-delay: 1s; }

/* 持续时间类 */
.animate-duration-75 { animation-duration: 75ms; }
.animate-duration-100 { animation-duration: 100ms; }
.animate-duration-150 { animation-duration: 150ms; }
.animate-duration-200 { animation-duration: 200ms; }
.animate-duration-300 { animation-duration: 300ms; }
.animate-duration-500 { animation-duration: 500ms; }
.animate-duration-700 { animation-duration: 700ms; }
.animate-duration-1000 { animation-duration: 1000ms; }

/* 页面切换动画 */
.page-transition {
    opacity: 0;
    transform: translateY(20px);
    animation: slideInUp 0.8s ease-out forwards;
}

/* 渐进式加载动画 */
.progressive-load > * {
    opacity: 0;
    transform: translateY(30px);
    animation: slideInUp 0.6s ease-out forwards;
}

.progressive-load > *:nth-child(1) { animation-delay: 0.1s; }
.progressive-load > *:nth-child(2) { animation-delay: 0.2s; }
.progressive-load > *:nth-child(3) { animation-delay: 0.3s; }
.progressive-load > *:nth-child(4) { animation-delay: 0.4s; }
.progressive-load > *:nth-child(5) { animation-delay: 0.5s; }
.progressive-load > *:nth-child(6) { animation-delay: 0.6s; }
.progressive-load > *:nth-child(7) { animation-delay: 0.7s; }
.progressive-load > *:nth-child(8) { animation-delay: 0.8s; }

/* 交互动画 */
.click-animation:active {
    transform: scale(0.95);
}

.button-ripple {
    position: relative;
    overflow: hidden;
}

.button-ripple:before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s;
}

.button-ripple:active:before {
    width: 200px;
    height: 200px;
}

/* 视差滚动效果 */
.parallax {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

/* 性能优化 */
.animate-gpu {
    transform: translate3d(0, 0, 0);
    backface-visibility: hidden;
    perspective: 1000px;
}

/* 减少动画偏好支持 */
@media (prefers-reduced-motion: reduce) {
    .animate-fade-in,
    .animate-slide-in-up,
    .animate-slide-in-down,
    .animate-slide-in-left,
    .animate-slide-in-right,
    .animate-scale-in,
    .animate-bounce-in {
        animation: none;
        opacity: 1;
        transform: none;
    }
    
    .hover-lift:hover,
    .hover-scale:hover,
    .hover-rotate:hover {
        transform: none;
    }
    
    .animate-spin,
    .animate-pulse,
    .animate-bounce,
    .animate-float,
    .animate-wiggle {
        animation-duration: 0.01ms;
        animation-iteration-count: 1;
    }
}