/* ============================================
   滚动加载动画样式
   Scroll Animation Styles
   ============================================ */

/* 隐藏初始状态 */
.scroll-animate {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

/* 显示完成状态 */
.scroll-animate.scroll-visible {
    opacity: 1;
    transform: translateY(0);
}

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

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

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

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

/* 缩放动画 */
.scroll-animate-scale,
.scroll-animate.scale {
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.scroll-animate-scale.scroll-visible,
.scroll-animate.scale.scroll-visible {
    opacity: 1;
    transform: scale(1);
}

/* 淡入动画 */
.scroll-animate-fade {
    opacity: 0;
    transition: opacity 1s ease-out;
}

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

/* 延迟动画 - 用于列表项 */
.scroll-animate-delay-1 { transition-delay: 0.1s; }
.scroll-animate-delay-2 { transition-delay: 0.2s; }
.scroll-animate-delay-3 { transition-delay: 0.3s; }
.scroll-animate-delay-4 { transition-delay: 0.4s; }
.scroll-animate-delay-5 { transition-delay: 0.5s; }
.scroll-animate-delay-6 { transition-delay: 0.6s; }

/* 视差效果容器 */
.parallax-container {
    overflow: hidden;
    position: relative;
}

/* 滚动进度条 */
.progress-bar-scroll {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, #ff6b6b, #feca57);
    z-index: 9999;
    transition: width 0.1s ease-out;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .scroll-animate {
        transform: translateY(30px);
    }

    .scroll-animate-left,
    .scroll-animate-right {
        transform: translateX(0);
        transform: translateY(30px);
    }

    .scroll-animate-scale {
        transform: scale(0.9);
    }
}