/*超大屏幕*/
@media screen and (min-width: 1900px) {
    .page_bg {
        height: 600px;
        background-size: 100% 600px;
    }
}

/*大屏幕*/
@media screen and (min-width: 769px) {
    .page_bg {
        height: 450px;
        background-size: 100% 450px;
    }

    .content {
        width: 90%;
        margin: 0 auto;
    }

    .div_tips {
        font-size: 18px;
        color: #00269a;
        font-weight: bold;
        margin: 40px 0;
        letter-spacing: 2px;
    }

    .div_tips_note {
        font-size: 14px;
        color: #717171;
        margin: 40px 0;
        letter-spacing: 2px;
        padding: 20px;
        background-color: #f1f1f1;
    }

    #guestbook-form input[type="text"],#guestbook-form select,#guestbook-form input[type="month"],#guestbook-form input[type="email"] {
        width: 60%;
        height: 30px;
        border: 1px solid #dadada;
        border-radius: 4px;
        padding-left: 6px;
        outline: none;
    }

    #guestbook-form input[type="text"].inputtxt {
        width: 80%;
    }

    #guestbook-form textarea {
        vertical-align:top;
        width: 80%;
        height: 100px;
        border: 1px solid #dadada;
        border-radius: 4px;
        padding-left: 6px;
        outline: none;
    }

    #guestbook-form span {
        font-size: 16px;
        color: #717171;
        font-weight: bold;
        display:-moz-inline-box;
        display:inline-block;
        width: 110px;
        text-align: right;
    }

    .txt-right {
        /*text-align: right;*/
    }

    #guestbook-form i.red {
        color: red;
    }
    #guestbook-form i {
        color: white;
    }

    .row div.form-item {
        margin-bottom: 20px;
    }

    .radio {
        margin: 0.5rem;
    }
    .radio input[type="radio"] {
        position: absolute;
        opacity: 0;
    }
    .radio input[type="radio"] + .radio-label:before {
        content: '';
        background: #f4f4f4;
        border-radius: 100%;
        border: 1px solid #b4b4b4;
        display: inline-block;
        width: 1.4em;
        height: 1.4em;
        position: relative;
        top: -0.2em;
        margin-right: 0.6em;
        vertical-align: top;
        cursor: pointer;
        text-align: center;
        -webkit-transition: all 250ms ease;
        transition: all 250ms ease;
    }
    .radio input[type="radio"]:checked + .radio-label:before {
        background-color: #00269a;
        border-color: #00269a;
        box-shadow: inset 0 0 0 4px #f4f4f4;
    }
    .radio input[type="radio"]:focus + .radio-label:before {
        outline: none;
        border-color: #00269a;
    }
    .radio input[type="radio"]:disabled + .radio-label:before {
        box-shadow: inset 0 0 0 4px #f4f4f4;
        border-color: #b4b4b4;
        background: #b4b4b4;
    }
    .radio input[type="radio"] + .radio-label:empty:before {
        margin-right: 0;
    }

    .submit {
        background-color: #00269a;
        border: 1px solid #00269a;
        border-radius: 10px;
        color: #fff;
        font-size: 14px;
        padding: 4px;
        letter-spacing: 2px;
        width: 80px;
        margin-top: 20px;
        outline: none;
        -webkit-transition: all 250ms ease;
        transition: all 250ms ease;
    }

    .submit:hover {
        background-color: #00269a;
        border: 1px solid #00269a;
    }
}