@media screen and (max-device-width: 768px) {

    /* 也是最外层容器样式，只不过使用class控制的样式 */
    .option-collection {
        font-size: 0.24rem;
        line-height: 0.32rem;
        padding: 0.2rem;
    }
        /* 表单上方灰色标题样式 */
        .option-collection h2 {
            margin: 0;
            padding: 0;
            line-height: 0.48rem;
            background-color: #3D93D5;
            text-align: center;
            width: auto;
            font-size: 0.26rem;
            color: #fff;
            border-top-left-radius: 0.1rem;
            border-top-right-radius: 0.1rem;
        }

            .option-collection h2 a.logout,
            .option-collection h2 a.logout:active,
            .option-collection h2 a.logout:link,
            .option-collection h2 a.logout:visited {
                color: #fff;
                font-size: 0.24rem;
                position: absolute;
                display: block;
                top: 0;
                right: 0.4rem;
                text-decoration: none;
            }

                .option-collection h2 a.logout:hover {
                    text-decoration: underline;
                }

            .option-collection h2 .logout img {
                vertical-align: middle;
                margin-right: 0.1rem;
                width: 0.25rem;
            }

        /* 提交按钮一般样式 */
        .option-collection a.option-btn, .option-collection a.option-btn:active, .option-collection a.option-btn:visited {
            text-decoration: none;
            /*border: 1px solid #EAEAEA;*/
            color: #333;
            background-color: #EAEAEA;
            display: inline-block;
            font-size: 0.24rem;
        }

            /* 提交按钮鼠标悬停样式 */
            .option-collection a.option-btn:hover {
                color: #fff;
                background-color: #3D93D5;
            }

        .option-collection p {
            margin-top: 0 0 0.32rem 0;
        }

    .option-collection-form input, .option-collection-form textarea {
        padding-left: 0.08rem;
        padding-right: 0.08rem;
        border: 0.03rem solid #ccc;
        width: 100%;
        border-radius: 0.1rem;
        font-size: 0.24rem;
        line-height: 0.48rem;
        box-sizing: border-box;
    }

        .option-collection-form input[type=text]:focus, .option-collection-form textarea:focus {
            border-color: #3D93D5;
        }

    .option-collection-form textarea {
        height: 3rem;
        line-height: 1.5;
        resize: none;
        padding-top: 0.08rem;
        padding-bottom: 0.08rem;
        font-size: 0.24rem;
    }

    .option-collection-form {
        border-left: 0.04rem solid #dfdfdf;
        border-right: 0.04rem solid #dfdfdf;
        border-bottom: 0.04rem solid #dfdfdf;
        border-bottom-left-radius: 0.1rem;
        border-bottom-right-radius: 0.1rem;
        width: auto;
        height: auto;
        padding: 0.2rem;
        margin: 0 auto;
        position: relative;
        background-color: #FBFDFF;
    }

        .option-collection-form .option-hidden {
            display: none;
        }

    .option-collection .option-btn {
        padding: 0.16rem 0.4rem;
        border-radius: 0.1rem;
        line-height: 1;
    }

    .option-collection-form > .item {
        margin-bottom: 0.3rem;
    }

        .option-collection-form > .item.half {
            width: auto;
            float: unset;
        }

        .option-collection-form > .item.center {
            text-align: center;
        }

        .option-collection-form > .item.btnbar {
            padding-top: 0.4rem;
        }

        .option-collection-form > .item > .item-title {
            font-size: 0.24rem;
            width: auto;
            float: unset;
            text-align: left;
            padding-right: 0;
            line-height: 2;
        }

        .option-collection-form > .item > .item-edit {
            float: unset;
            width: auto;
        }

        .option-collection-form > .item.half > .item-edit {
            width: auto;
        }

    .option-collection .clear {
        width: 0;
        height: 0;
        clear: both;
    }

    .option-collection .shadow .login-msg {
        margin-top: 3rem;
        color: #333;
    }

        .option-collection .shadow .login-msg,
        .option-collection .shadow .login-msg a {
            font-size: 0.36rem;
        }
}