/* 自定义动画和过渡效果 */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

.delay-100 {
    animation-delay: 0.1s;
}

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

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

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* 首屏画布样式 */
#hero-canvas {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .h-screen {
        height: auto;
        min-height: 100vh;
    }
    
    #home {
        padding-top: 4rem;
        padding-bottom: 4rem;
    }
    
    .text-5xl { font-size: 2.5rem; }
    .text-7xl { font-size: 3rem; }
    .text-xl { font-size: 1.25rem; }
    .text-2xl { font-size: 1.5rem; }
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

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

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

/* 按钮动画 */
.btn-animated {
    position: relative;
    overflow: hidden;
}

.btn-animated::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn-animated:hover::before {
    left: 100%;
}