.main_content {
    padding: .92rem 0 0;
}

.contactUs_baner {
    width: 100%;
    height: 11rem;
    background: url(../img/contactUs-yd-banner.jpg) no-repeat center center;
    background-size: cover;
}

.message_box {
    width: 100%;
    background-color: #f5f5f5;
}

.message_box .message_content {
    width: 7rem;
    margin: 0 auto;
    padding: .6rem 0;
}

.message_box .msgH {
    font-size: .26rem;
}

.message_box .message_L {
    width: 100%;
}

.message_box .message_R {
    width: 100%;
    margin-top: .4rem;
}

.message_box .message_form {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.message_box .form_row {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.message_box .form_input,
.message_box .form_textarea {
    flex: 1;
    padding: 0.25rem;
    border: 1px solid #e0e0e0;
    border-radius: .1rem;
    font-size: .3rem;
    color: #001d2d;
    background-color: #fff;
    outline: none;
}

.message_box .form_textarea {
    width: 100%;
    height: 1.5rem;
    resize: none;
    font-family: inherit;
}

.message_box .submit_btn {
    width: auto;
    padding: 0.2rem 0.5rem;
    background-color: #d32f2f;
    color: #fff;
    border: none;
    border-radius: .1rem;
    font-family: pb;
    font-size: .26rem;
    cursor: pointer;
    align-self: flex-start;
    margin-top: 0.2rem;
    margin-left: 2.5rem;
}

.message_box .form_input::placeholder,
.message_box .form_textarea::placeholder {
    font-size: 0.26rem;
    color: #666;
}