body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background: #f8f9fa;
    color: #212529;
    line-height: 1.6;
}
header, footer {
    background: #343a40;
    color: white;
    padding: 20px 0;
    text-align: center;
}
main {
    max-width: 900px;
    margin: auto;
    padding: 2em;
    background: white;
}
h1, h2 {
    color: #007bff;
}
a {
    color: #007bff;
}
a:hover {
    text-decoration: underline;
}
.buy-button {
    display: inline-block;
    padding: 12px 20px;
    background-color: #28a745;
    color: white !important;
    border-radius: 6px;
    text-decoration: none;
    font-weight: bold;
    margin: 10px 0;
}
.buy-button:hover {
    background-color: #218838;
}

.fb-comment {
    background: #f0f2f5;
    padding: 15px;
    margin-bottom: 15px;
    border-radius: 8px;
    display: flex;
    gap: 12px;
}
.fb-profile {
    display: flex;
    gap: 12px;
}
.fb-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
}
.fb-location {
    color: gray;
    font-size: 0.9em;
}

.fb-comment {
    background: #f0f2f5;
    padding: 15px;
    margin-bottom: 15px;
    border-radius: 8px;
    display: flex;
    gap: 12px;
}
.fb-profile {
    display: flex;
    gap: 12px;
}
.fb-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
}
.fb-location {
    color: gray;
    font-size: 0.9em;
}