.form-container {
    display: flex;
    flex-wrap: wrap;
}
.form-container .form-group:first-child {
    width: 100%;
}
.form-container > :nth-child(-n+5){
    width: 48%;
    margin-right: 2%;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    width: 100%;
    margin-bottom: 20px;
}

.form-group label {
    font-size: 14px;
    color: #333;
    font-family: 'OpenSans-Semibold';
}
.form-group label i{
    color: red;
}

.form-control {
    width: 100%; /* 确保输入框宽度占满父容器 */
    padding: 15px;
    height: 40px;
    border: 1px solid #ddd;
    border-radius: 40px;
    font-size: 14px;
    color: #333;
    transition: border-color 0.3s ease;
    box-sizing: border-box; /* 防止 padding 影响宽度 */
}

.form-control:focus {
    border-color: var(--main-color);
    outline: none;
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

.submit-group {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: center;
}

.submit-btn {
    padding: 15px 20px;
    background-color: var(--main-color);
    color: #fff;
    border: none;
    border-radius: 40px;
    font-size: 14px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.submit-btn:hover {
    background-color: var(--main-color);
}

.touch h2 {
    font-size: 40px;
    font-family: 'OpenSans-semibold';
    color: #333;
    margin: 60px 0;
}

.contactus-box {
    width: 800px;
    margin: 0 auto;
}
.captcha-group .captcha-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
}

.captcha-group #captchaImage {
    height: 34px;
    cursor: pointer;
}