css
.revip-container {
    max-width: 1000px;
    margin: 40px auto;
    padding: 30px;
    background: #fff;
    border: 1px solid #e1e1e1;
    font-family: 'Open Sans', sans-serif;
    box-shadow: 0 0 15px rgba(0,0,0,0.05);
    border-radius: 8px;
}

.revip-container h2 {
    font-family: 'Merriweather', serif;
    font-size: 28px;
    margin-bottom: 30px;
    color: #2c3e50;
    text-align: center;
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 15px;
}

.revip-form-section {
    margin-bottom: 25px;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 6px;
}

.revip-form-section h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #2c3e50;
    border-bottom: 1px solid #e1e1e1;
    padding-bottom: 8px;
}

.revip-input-group {
    margin-bottom: 15px;
}

.revip-input-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #333;
}

.revip-input-group input,
.revip-input-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 15px;
    transition: border-color 0.3s;
}

.revip-input-group input:focus,
.revip-input-group select:focus {
    border-color: #2c3e50;
    outline: none;
    box-shadow: 0 0 0 2px rgba(44, 62, 80, 0.2);
}

.revip-help-text {
    font-size: 12px;
    color: #666;
    font-style: italic;
    margin-top: 4px;
    display: block;
}

#revip-submit {
    display: block;
    width: 100%;
    padding: 15px;
    background-color: #2c3e50;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
}

#revip-submit:hover {
    background-color: #1a2530;
}

.revip-loading {
    text-align: center;
    padding: 30px;
    font-style: italic;
    color: #666;
}

.revip-results {
    margin-top: 30px;
}

.revip-summary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 30px;
}

.revip-summary-card {
    background: #f0f7ff;
    padding: 20px;
    border-radius: 6px;
    text-align: center;
    border-left: 4px solid #2c3e50;
}

.revip-summary-card h4 {
    margin: 0 0 10px 0;
    font-size: 14px;
    color: #666;
}

.revip-summary-card p {
    margin: 0;
    font-size: 20px;
    font-weight: bold;
    color: #2c3e50;
}

.revip-results-section {
    margin-bottom: 30px;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 6px;
}

.revip-results-section h3 {
    margin-top: 0;
    color: #2c3e50;
    border-bottom: 1px solid #e1e1e1;
    padding-bottom: 10px;
}

.revip-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
}

.revip-detail-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

.revip-detail-label {
    font-weight: 600;
    color: #555;
}

.revip-detail-value {
    font-weight: 600;
    color: #2c3e50;
}

.revip-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

.revip-table th,
.revip-table td {
    padding: 12px;
    text-align: right;
    border: 1px solid #ddd;
}

.revip-table th {
    background-color: #2c3e50;
    color: white;
    text-align: center;
}

.revip-table tr:nth-child(even) {
    background-color: #f9f9f9;
}

.revip-table tr:hover {
    background-color: #f0f7ff;
}

.revip-error {
    color: #e74c3c;
    padding: 15px;
    background: #ffeaea;
    border-radius: 4px;
    text-align: center;
}

@media (max-width: 768px) {
    .revip-container {
        padding: 15px;
        margin: 20px auto;
    }
    
    .revip-summary-cards {
        grid-template-columns: 1fr 1fr;
    }
    
    .revip-detail-grid {
        grid-template-columns: 1fr;
    }
}