* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #f5f7fa;
    color: #333;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    max-width: 640px;
    margin: 2rem;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    padding: 2.5rem;
}

h1 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.subtitle {
    color: #7f8c8d;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.info {
    background: #f8f9fa;
    border-left: 4px solid #3498db;
    padding: 1rem 1.25rem;
    border-radius: 0 8px 8px 0;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background: #f8f9fa;
    border-radius: 10px;
    text-decoration: none;
    color: inherit;
    border: 1px solid #e9ecef;
    transition: all 0.2s ease;
}

.card:hover {
    background: #e8f4fd;
    border-color: #3498db;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.15);
}

.card .icon {
    font-size: 1.8rem;
    flex-shrink: 0;
}

.card .title {
    font-weight: 600;
    color: #2c3e50;
}

.card .desc {
    font-size: 0.85rem;
    color: #7f8c8d;
    margin-left: auto;
}

.hint {
    font-size: 0.9rem;
    color: #95a5a6;
    text-align: center;
    line-height: 1.5;
}