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

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

.text-gradient {
    background: linear-gradient(45deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-link {
    transition: all 0.3s ease;
}

.nav-link:hover {
    transform: translateY(-2px);
}

.product-card {
    transition: all 0.3s ease;
    cursor: pointer;
}

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

/* 产品图片固定大小 */
.product-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

@media (min-width: 768px) {
    .product-image {
        height: 250px;
    }
}

.tab-active {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.solution-tab {
    position: relative;
    overflow: hidden;
}

.solution-tab:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.6s ease;
}

.solution-tab:hover:before {
    left: 100%;
}

.parallax {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}