.ghbpu-wrapper {
    max-width: 700px;
    margin: 40px auto;
    padding: 35px;
    background: #fff;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    box-sizing: border-box;
}

.ghbpu-wrapper h2 {
    margin: 0 0 15px;
}

.ghbpu-description {
    line-height: 1.6;
    margin-bottom: 25px;
}

.ghbpu-field {
    margin-bottom: 20px;
}

.ghbpu-field label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.ghbpu-field label span {
    color: #d00;
}

.ghbpu-field input[type="text"],
.ghbpu-field input[type="email"],
.ghbpu-field input[type="tel"],
.ghbpu-field input[type="file"] {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    box-sizing: border-box;
}

.ghbpu-field small {
    display: block;
    margin-top: 7px;
    color: #777;
    line-height: 1.5;
}

.ghbpu-submit {
    display: inline-block;
    padding: 12px 24px;
    background: #222;
    color: #fff;
    border: 0;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
}

.ghbpu-submit:hover {
    opacity: .85;
}

.ghbpu-message {
    padding: 14px 18px;
    margin-bottom: 25px;
    border-radius: 5px;
    line-height: 1.5;
}

.ghbpu-success {
    background: #e8f7e8;
    color: #267326;
}

.ghbpu-error {
    background: #fdeaea;
    color: #b00000;
}