body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #f8fafc;
    margin: 0;
    padding: 0;
    min-height: 100vh;
}
.site-header {
    background: #fff;
    border-bottom: 1px solid #e5e7eb;
    padding: 1rem 0;
    margin-bottom: 2rem;
}
.site-header .logo {
    font-weight: bold;
    font-size: 1.3rem;
    color: #2563eb;
    text-decoration: none;
}
.site-footer {
    background: #fff;
    border-top: 1px solid #e5e7eb;
    text-align: center;
    padding: 1rem 0;
    position: relative;
    bottom: 0;
    width: 100%;
    margin-top: 2rem;
}
.footer-content {
    color: #64748b;
    font-size: 0.95rem;
}
main {
    max-width: 700px;
    margin: 0 auto;
    padding: 2rem 1rem;
}
.button {
    background: #2563eb;
    color: #fff;
    border: none;
    padding: 0.7rem 1.5rem;
    border-radius: 6px;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.2s;
}
.button:hover {
    background: #1d4ed8;
}
.template-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: center;
}
.template-card {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
    padding: 1rem;
    width: 260px;
    text-align: center;
}
.site-header nav {
    display: flex;
    justify-content: center;
    align-items: center;
}
@media (max-width: 600px) {
    main {
        padding: 1rem 0.2rem;
    }
    .template-list {
        flex-direction: column;
        gap: 1rem;
    }
    .template-card {
        width: 100%;
    }
}