/* 动画样式文件 */

/* 文本渐入动画 */
.animate-text {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards;
}

.animate-text-delay {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.3s;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 滚动显示动画 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 图片缩放动画 */
.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* 从左侧滑入 */
.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

/* 从右侧滑入 */
.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* 脉冲动画 */
.pulse {
    animation: pulse 2s infinite;
}

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

/* 摇晃动画 */
.shake {
    animation: shake 0.8s cubic-bezier(.36,.07,.19,.97) both;
}

@keyframes shake {
    10%, 90% {
        transform: translate3d(-1px, 0, 0);
    }
    20%, 80% {
        transform: translate3d(2px, 0, 0);
    }
    30%, 50%, 70% {
        transform: translate3d(-4px, 0, 0);
    }
    40%, 60% {
        transform: translate3d(4px, 0, 0);
    }
}

/* 旋转动画 */
.rotate {
    animation: rotate 10s linear infinite;
}

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

/* 渐变背景动画 */
.gradient-bg {
    background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
}

@keyframes gradientBG {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* 打字机效果 */
.typewriter h1 {
    overflow: hidden;
    border-right: .15em solid var(--primary-color);
    white-space: nowrap;
    margin: 0 auto;
    letter-spacing: .15em;
    animation: typing 3.5s steps(40, end), blink-caret .75s step-end infinite;
}

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

@keyframes blink-caret {
    from, to { border-color: transparent }
    50% { border-color: var(--primary-color) }
}

/* 悬停上升效果 */
.hover-lift {
    transition: transform 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-10px);
}

/* 悬停旋转效果 */
.hover-rotate {
    transition: transform 0.5s ease;
}

.hover-rotate:hover {
    transform: rotate(10deg);
}

/* 悬停放大效果 */
.hover-scale {
    transition: transform 0.3s ease;
}

.hover-scale:hover {
    transform: scale(1.1);
}

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

.fade-in-animation {
    animation: fadeIn 1s ease forwards;
}

/* 淡出动画 */
@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

.fade-out-animation {
    animation: fadeOut 1s ease forwards;
}

/* 闪烁动画 */
@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.blink-animation {
    animation: blink 1.5s infinite;
}

/* 弹跳动画 */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-30px); }
    60% { transform: translateY(-15px); }
}

.bounce-animation {
    animation: bounce 2s infinite;
}

/* 技能条动画 */
@keyframes fillBar {
    from { width: 0; }
    to { width: var(--fill-percent); }
}

.skill-level {
    animation: fillBar 1.5s ease-out forwards;
}

/* 页面过渡动画 */
.page-transition {
    animation: pageTransition 0.5s ease;
}

@keyframes pageTransition {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 卡片翻转动画 */
.flip-card {
    perspective: 1000px;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.8s;
    transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front, .flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
}

.flip-card-back {
    transform: rotateY(180deg);
}

/* 3D 悬停效果 */
.hover-3d {
    transition: transform 0.3s ease;
    transform-style: preserve-3d;
}

.hover-3d:hover {
    transform: perspective(500px) rotateX(5deg) rotateY(5deg);
}

/* 图像滤镜过渡 */
.filter-transition {
    transition: filter 0.3s ease;
}

.filter-transition:hover {
    filter: brightness(1.2) contrast(1.1);
}

/* 加载进度条 */
.progress-bar {
    height: 4px;
    background-color: var(--secondary-color);
    width: 0%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999;
    animation: loadingProgress 3s ease forwards;
}

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

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

/* 延迟动画序列 */
.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }
.delay-4 { animation-delay: 0.8s; }
.delay-5 { animation-delay: 1s; }

/* 动画持续时间变化 */
.duration-1 { animation-duration: 0.5s; }
.duration-2 { animation-duration: 1s; }
.duration-3 { animation-duration: 1.5s; }
.duration-4 { animation-duration: 2s; }
.duration-5 { animation-duration: 2.5s; }

/* 向上淡入动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease forwards;
}

/* 向下淡入动画 */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-down {
    animation: fadeInDown 0.8s ease forwards;
}

/* 向左淡入动画 */
@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in-left {
    animation: fadeInLeft 0.8s ease forwards;
}

/* 向右淡入动画 */
@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in-right {
    animation: fadeInRight 0.8s ease forwards;
}

/* 放大动画 */
@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.zoom-in {
    animation: zoomIn 0.8s ease forwards;
}

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

.rotate {
    animation: rotate 1s linear infinite;
}

/* 闪烁动画 */
@keyframes blink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.blink {
    animation: blink 1.5s linear infinite;
}

/* 摇晃动画 */
@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 0.8s ease;
}

/* 滑入动画 */
@keyframes slideIn {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

.slide-in {
    animation: slideIn 0.5s ease forwards;
}

/* 弹跳动画 */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-20px);
    }
    60% {
        transform: translateY(-10px);
    }
}

.bounce {
    animation: bounce 2s infinite;
}

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

.gradient-bg {
    background: linear-gradient(45deg, #ff6700, #ff9e80, #ff6700);
    background-size: 200% 200%;
    animation: gradientBG 10s ease infinite;
}

/* 打字机效果 */
@keyframes typing {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

@keyframes blink-caret {
    from, to {
        border-color: transparent;
    }
    50% {
        border-color: #ff6700;
    }
}

.typing {
    overflow: hidden;
    white-space: nowrap;
    border-right: 3px solid #ff6700;
    animation: 
        typing 3.5s steps(40, end),
        blink-caret 0.75s step-end infinite;
}

/* 滚动显示动画 */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* 悬停效果 */
.hover-lift {
    transition: transform 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
}

.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);
}

/* 加载动画延迟类 */
.delay-100 {
    animation-delay: 0.1s;
}

.delay-200 {
    animation-delay: 0.2s;
}

.delay-300 {
    animation-delay: 0.3s;
}

.delay-400 {
    animation-delay: 0.4s;
}

.delay-500 {
    animation-delay: 0.5s;
}

/* 小米官网特色动画效果 */
/* 产品卡片悬停效果 */
.mi-card {
    transition: all 0.3s ease;
    overflow: hidden;
}

.mi-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.mi-card .mi-image {
    transition: transform 0.5s ease;
}

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

/* 按钮波纹效果 */
.ripple-btn {
    position: relative;
    overflow: hidden;
}

.ripple-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1, 1) translate(-50%);
    transform-origin: 50% 50%;
}

.ripple-btn:focus:not(:active)::after {
    animation: ripple 1s ease-out;
}

@keyframes ripple {
    0% {
        transform: scale(0, 0);
        opacity: 0.5;
    }
    20% {
        transform: scale(25, 25);
        opacity: 0.3;
    }
    100% {
        opacity: 0;
        transform: scale(40, 40);
    }
}

/* 导航栏下划线动画 */
.nav-underline {
    position: relative;
}

.nav-underline::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: #ff6700;
    transition: width 0.3s ease;
}

.nav-underline:hover::after {
    width: 100%;
}

/* 图标旋转缩放 */
.icon-rotate-scale {
    transition: all 0.3s ease;
}

.icon-rotate-scale:hover {
    transform: rotate(15deg) scale(1.2);
}

/* 渐变边框动画 */
@keyframes borderGradient {
    0% {
        border-image: linear-gradient(45deg, #ff6700, #ff9e80) 1;
    }
    50% {
        border-image: linear-gradient(45deg, #ff9e80, #ff6700) 1;
    }
    100% {
        border-image: linear-gradient(45deg, #ff6700, #ff9e80) 1;
    }
}

.gradient-border {
    border: 3px solid;
    border-image: linear-gradient(45deg, #ff6700, #ff9e80) 1;
    animation: borderGradient 3s infinite alternate;
}

/* 3D翻转卡片效果 */
.flip-card {
    perspective: 1000px;
    height: 300px;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.8s;
    transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front, .flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
}

.flip-card-back {
    transform: rotateY(180deg);
}

/* 页面过渡动画 */
.page-transition {
    animation: pageFadeIn 0.5s ease;
}

@keyframes pageFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}