.olf-wrapper {
    max-width: 800px;
    margin: 40px auto;
    padding: 30px 40px;
    background: #f8e9c9; /* nền vàng nhạt */
    border-radius: 4px;
    box-sizing: border-box;
    font-family: inherit;
}

.olf-title {
    text-align: center;
    margin-bottom: 25px;
    font-size: 20px;
    letter-spacing: 1px;
    color: #e0553d; /* đỏ cam nhẹ */
    text-transform: uppercase;
}

.olf-field {
    margin-bottom: 18px;
}

.olf-field label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
}

.olf-required {
    color: #d00;
}

.olf-field input[type="text"],
.olf-field input[type="tel"],
.olf-field input[type="email"],
.olf-field input[type="file"],
.olf-field textarea {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid #ddd;
    border-radius: 2px;
    box-sizing: border-box;
    font: inherit;
}

.olf-field textarea {
    resize: vertical;
}

.olf-help {
    font-size: 12px;
    color: #666;
}

.olf-submit {
    background: #e0553d;
    color: #fff;
    border: none;
    padding: 8px 20px;
    border-radius: 3px;
    cursor: pointer;
}

.olf-submit:hover {
    opacity: 0.9;
}

.olf-notice {
    padding: 10px 15px;
    margin-bottom: 20px;
    border-radius: 3px;
}

.olf-success {
    background: #e0f6e8;
    border: 1px solid #79c18a;
}

.olf-error {
    background: #ffe6e6;
    border: 1px solid #ff7b7b;
}