.nfc-profile {
    display: flex;
    justify-content: center;
    padding: 20px;
    font-family: Arial, sans-serif;
}
.nfc-card {
    max-width: 400px;
    width: 100%;
    background: white;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    text-align: center;
}
.nfc-avatar img,
img.nfc-avatar {
    width: 120px !important;
    height: 120px !important;
    max-width: 120px !important;
    aspect-ratio: 1 / 1 !important;
    border-radius: 50% !important;
    object-fit: cover !important;
    margin-bottom: 16px;
    padding: 0 !important;
    box-sizing: border-box !important;
}
.nfc-name {
    font-size: 1.5em;
    font-weight: bold;
}
.nfc-title {
    font-size: 1.1em;
    color: #666;
}
.nfc-company {
    font-size: 1em;
    color: #444;
    margin-bottom: 20px;
}
.nfc-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}
.nfc-btn {
    flex: 1 1 45%;
    padding: 10px;
    border-radius: 8px;
    text-decoration: none;
    color: white;
    font-weight: bold;
    display: inline-block;
    text-align: center;
}
.nfc-call { background: #28a745; }
.nfc-zalo { background: #0068ff; }
.nfc-web { background: #ff9800; }
.nfc-vcard { background: #9c27b0; }
.nfc-about {
    border-top: 1px solid #eee;
    padding-top: 15px;
    color: #555;
    font-size: 0.95em;
}
.nfc-error {
    padding: 20px;
    text-align: center;
    background: #ffe5e5;
    color: #b71c1c;
    border-radius: 8px;
}