/* Index Page Styles */
.site-header {
    text-align: center;
    margin-bottom: 3rem;
    animation: fadeIn 0.8s ease;
}

.site-title {
    font-size: 7rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.site-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

.api-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.api-card {
    position: relative;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 1.5rem;
    padding: 2rem;
    transition: all 0.3s ease;
    animation: scaleIn 0.5s ease forwards;
    opacity: 0;
}

.api-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.card-glass {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.1) 0%, 
        rgba(255, 255, 255, 0.05) 100%);
    border-radius: 1.5rem;
    pointer-events: none;
}

.card-content {
    position: relative;
    z-index: 1;
}

.card-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    text-align: center;
}

.api-name {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.api-short {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-weight: 500;
}

.api-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 1.5rem;
    min-height: 3.5rem;
}

.api-stats {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--glass-border);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.stat-item i {
    color: var(--primary-color);
}

.detail-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    border-radius: 0.75rem;
    padding: 0.75rem 1.5rem;
    color: white;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.detail-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.detail-btn:active {
    transform: scale(0.98);
}

/* Responsive Design */
@media (max-width: 768px) {
    .site-title {
        font-size: 2rem;
    }
    
    .api-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .api-card {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .site-title {
        font-size: 1.75rem;
    }
    
    .api-card {
        padding: 1.25rem;
    }
    
    .card-icon {
        font-size: 2.5rem;
    }
    
    .api-name {
        font-size: 1.25rem;
    }
}

/* Loading Animation */
.loading-dots {
    display: inline-block;
}

.loading-dots::after {
    content: '';
    animation: loadingDots 1.5s infinite;
}

@keyframes loadingDots {
    0% { content: '.'; }
    33% { content: '..'; }
    66% { content: '...'; }
    100% { content: '.'; }
}

/* Hover Effects */
.api-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at var(--x, 50%) var(--y, 50%), 
        rgba(99, 102, 241, 0.1) 0%, 
        transparent 50%);
    border-radius: 1.5rem;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.api-card:hover::before {
    opacity: 1;
}

/* 让 <a> 完全继承按钮样式 */
a.detail-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    border-radius: 0.75rem;
    padding: 0.75rem 1.5rem;
    color: white;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
}

a.detail-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}