/* 页面滚动动画 */
[data-aos] {
    opacity: 0;
    transition: all 0.6s ease;
}

[data-aos="fade-up"] {
    transform: translateY(50px);
}

[data-aos="fade-down"] {
    transform: translateY(-50px);
}

[data-aos="fade-right"] {
    transform: translateX(-50px);
}

[data-aos="fade-left"] {
    transform: translateX(50px);
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translate(0);
}

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

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

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

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

/* 加载动画 */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: white;
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--light-gray);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* 文字渐显动画 */
.text-reveal {
    opacity: 0;
    transform: translateY(20px);
    animation: textReveal 0.8s ease forwards;
}

@keyframes textReveal {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 按钮点击效果 */
.btn-ripple {
    position: relative;
    overflow: hidden;
}

.btn-ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn-ripple:active::after {
    width: 300px;
    height: 300px;
}

/* 图片加载淡入效果 */
.image-fade-in {
    opacity: 0;
    animation: imageFadeIn 1s ease forwards;
}

@keyframes imageFadeIn {
    to {
        opacity: 1;
    }
}

/* 滚动进度条 */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--primary-color);
    z-index: 1001;
    transition: width 0.1s ease;
}

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

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s;
    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);
}

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

.shine::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(
        120deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: shine 2s infinite;
}

@keyframes shine {
    to {
        left: 200%;
    }
}

/* 打字机效果 */
.typewriter {
    overflow: hidden;
    border-right: 2px solid var(--primary-color);
    white-space: nowrap;
    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);
    }
}

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

.hover-3d:hover {
    transform: rotateX(10deg) rotateY(10deg);
}

/* 渐变背景动画 */
.gradient-bg {
    background: linear-gradient(
        270deg,
        var(--primary-color),
        var(--secondary-color),
        var(--accent-color)
    );
    background-size: 200% 200%;
    animation: gradientShift 15s ease infinite;
}

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