body {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background-color: #f8f9fa;
    color: #333;
}

.bg-primary {
    background-color: #0A1A3A;
}

.bg-secondary {
    background-color: #1E3A8A;
}

.text-primary {
    color: #0A1A3A;
}

.text-accent {
    color: #3B82F6;
}

.gradient-bg {
    background: linear-gradient(135deg, #0A1A3A 0%, #1E3A8A 100%);
}

.card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.app-card {
    transition: all 0.3s ease;
    border-radius: 12px;
    overflow: hidden;
}

.app-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.app-card:hover .app-icon {
    transform: scale(1.1);
}

.app-icon {
    transition: transform 0.3s ease;
}

.btn-primary {
    background-color: #3B82F6;
    color: white;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: #2563EB;
    transform: translateY(-2px);
}

.btn-outline {
    border: 2px solid #3B82F6;
    color: #3B82F6;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background-color: #3B82F6;
    color: white;
}

.section-divider {
    height: 4px;
    background: linear-gradient(90deg, #3B82F6, #60A5FA);
    width: 80px;
    margin: 0 auto 2rem;
}

.category-tab {
    transition: all 0.3s ease;
    position: relative;
}

.category-tab::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #3B82F6;
    transition: width 0.3s ease;
}

.category-tab:hover::after,
.category-tab.active::after {
    width: 100%;
}

.category-tab.active {
    color: #3B82F6;
    font-weight: 600;
}

.role-tag {
    transition: all 0.3s ease;
}

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

.feature-icon {
    transition: all 0.3s ease;
}

.app-card-horizontal {
    transition: all 0.3s ease;
    border-radius: 12px;
    overflow: hidden;
}

.app-card-horizontal:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.app-card-horizontal:hover .app-icon {
    transform: scale(1.1);
}

.bg-pc{
    display: block;
}

.bg-phone{
    display: none;
}

@media (max-width: 768px) {
    .app-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    section{
        padding: 0 2rem;
    }
    #apps{
        padding: 0;
    }
    #apps .category-tab{
        height: 6rem;
    }

    .bg-pc{
        display: none;
    }

    .bg-phone{
        display: block;
    }
}

@media (max-width: 640px) {
    .app-grid {
        grid-template-columns: 1fr;
    }
}