/* Noise Flow 应用网站样式 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

body { 
    font-family: 'Inter', sans-serif; 
}

.gradient-bg {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.feature-card {
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

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

@keyframes wave {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.float-animation {
    animation: float 4s ease-in-out infinite;
}

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

/* 语言切换按钮样式 */
.lang-toggle {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(8px);
    transition: all 0.3s ease;
}

.lang-toggle:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

/* 截图加载动画 */
.screenshot-img {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.screenshot-img:hover {
    transform: scale(1.05);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* 响应式优化 */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
        line-height: 1.2;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .screenshot-grid {
        grid-template-columns: 1fr;
    }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    .gradient-bg {
        background: linear-gradient(135deg, #4a5568 0%, #2d3748 100%);
    }
}

/* 截图滚动样式 */
#screenshot-track {
    will-change: transform;
}

.screenshot-indicator {
    cursor: pointer;
}

.screenshot-indicator:hover {
    transform: scaleY(1.5);
}

/* 键盘操作提示 */
.keyboard-hint {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.8; }
}

/* 移动端触摸提示 */
.swipe-hint {
    animation: swipeHint 2s ease-in-out infinite;
}

@keyframes swipeHint {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(-10px); }
}

/* 截图卡片样式增强 */
.screenshot-card {
    transition: all 0.3s ease;
}

.screenshot-card:hover {
    transform: scale(1.05) translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

/* 滑动按钮增强 */
.scroll-btn {
    transition: all 0.3s ease;
    backdrop-filter: blur(12px);
}

.scroll-btn:hover {
    transform: scale(1.1);
    background-color: rgba(255, 255, 255, 0.3);
}

.scroll-btn:active {
    transform: scale(0.95);
}

/* 平滑过渡 */
* {
    transition: color 0.3s ease, background-color 0.3s ease, border-color 0.3s ease;
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
    #screenshot-container {
        -webkit-overflow-scrolling: touch;
        overflow-x: auto;
        overflow-y: hidden;
    }
}

/* 桌面端优化 */
@media (hover: hover) and (pointer: fine) {
    #screenshot-container:hover .scroll-btn {
        opacity: 1;
    }
    
    .scroll-btn {
        opacity: 0;
        transition: opacity 0.3s ease;
    }
}

/* 移动端滚动容器 */
#screenshot-container {
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

#screenshot-container::-webkit-scrollbar {
    display: none;
}