/* 动画效果样式 */

/* 淡入动画 */
.fade-in {
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
}

.fade-in.animate {
    opacity: 1;
}

/* 从下方滑入 */
.slide-up {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-up.animate {
    opacity: 1;
    transform: translateY(0);
}

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

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

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

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

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

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

/* 旋转动画 */
.rotate-in {
    opacity: 0;
    transform: rotate(-15deg) scale(0.8);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.rotate-in.animate {
    opacity: 1;
    transform: rotate(0) scale(1);
}

/* 滚动淡入效果 */
.scroll-fade {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* 交错动画 */
.stagger-item {
    opacity: 0;
    transform: translateY(30px);
}

.stagger-item.animate {
    animation: staggerFadeIn 0.5s ease forwards;
}

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

/* 浮动动画 */
.float {
    animation: float 6s ease-in-out infinite;
}

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

/* 闪光效果 */
.shine {
    position: relative;
    overflow: hidden;
}

.shine::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.3) 50%, rgba(255,255,255,0) 100%);
    transform: rotate(30deg);
    animation: shine 6s infinite;
}

@keyframes shine {
    0% {
        transform: rotate(30deg) translateX(-100%);
    }
    20%, 100% {
        transform: rotate(30deg) translateX(100%);
    }
}

/* 打字机效果 */
.typewriter {
    overflow: hidden;
    border-right: 0.15em solid var(--primary-color);
    white-space: nowrap;
    margin: 0 auto;
    animation: typing 3.5s steps(40, end), blink-caret 0.75s 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) }
}

/* 渐变背景动画 */
.gradient-bg {
    background: linear-gradient(-45deg, #00c8ff, #7000ff, #ff00c8, #00c8ff);
    background-size: 400% 400%;
    animation: gradient 15s ease infinite;
}

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

/* 粒子背景动画 */
.particle {
    position: absolute;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    pointer-events: none;
    animation: float-particle linear infinite;
}

@keyframes float-particle {
    0% {
        transform: translateY(0) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) translateX(20px);
        opacity: 0;
    }
}

/* 页面过渡动画 */
.page-transition {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--dark-color);
    z-index: 9999;
    transform: translateY(100%);
}

.page-transition.active {
    animation: pageTransition 1.2s ease-in-out forwards;
}

@keyframes pageTransition {
    0% {
        transform: translateY(100%);
    }
    100% {
        transform: translateY(-100%);
    }
}

/* 移动端菜单动画 */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
        z-index: 1001;
    }
    
    .menu-toggle.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }
    
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--dark-color);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        padding: 50px 0;
        transition: right 0.3s ease;
        z-index: 1000;
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-links a {
        margin: 15px 0;
        font-size: 1.2rem;
    }
    
    body.menu-open {
        overflow: hidden;
    }
}

/* 响应式调整 */
@media (max-width: 992px) {
    .slide-up,
    .slide-right,
    .slide-left {
        transition: opacity 0.6s ease, transform 0.6s ease;
    }
}

@media (max-width: 576px) {
    .slide-up,
    .slide-right,
    .slide-left {
        transition: opacity 0.4s ease, transform 0.4s ease;
    }
}