/* 媒体查询 */
/*当屏幕宽度小于600px时*/
@media screen and (max-width: 600px) {
    html {
        font-size: 16px;
    }

    body {
        font-size: 14px;
        width: 100%;
        color: #303030;
        position: relative;
        font-family: '';

    }

    input,
    button {
        margin: 0;
        padding: 0;
        border: none;
        background-color: transparent;
        font-size: 16px;
        height: 40px;
        line-height: 40px;
        box-sizing: border-box;
    }

    #media-search {
        display: none;
        height: 700px;
        width: 90%;
        background-color: rgb(255, 255, 255);
        z-index: 110;
        position: fixed;
        right: -400px;
        padding: 5%;
        text-align: center;

    }

    #media-menu {
        display: none;
        height: 700px;
        width: 90%;
        background-color: rgb(255, 255, 255);
        position: fixed;
        right: -400px;
        top: 50px;
        padding: 5%;
        text-align: center;
        z-index: 100;
    }

    #media-search-top {
        width: 100%;
        text-align: right;
        border-bottom: 1px solid #e9e9e9;
        padding-bottom: 10px;
    }

    #media-search-close {
        padding: 5px;
        border: 0;
        background-color: rgb(255, 255, 255);
    }


    #media-search-middle {
        margin-top: 30px;
    }

    #media-search-middle input {
        border: 1px solid #ededed;
        padding: 0 10px;
        outline: none;
    }

    #media-search-middle input:focus {
        background-color: rgb(243, 255, 255);
    }

    #media-search-middle button {
        background-color: #ededed;
        padding: 0 10px;
    }

    #media-search-bottom {
        margin-top: 20px;
        padding: 5% 8%;

    }

    #media-search-bottom-title {
        height: 30px;
        text-align: left;
        border-bottom: 1px solid #ccc;
        font-size: 14px;
        font-weight: bold;
    }

    #media-search-bottom-keywords {
        text-align: left;
        margin-top: 20px;
        font-size: 14px;
    }

    #media-search-bottom-keywords a {
        display: block;
        padding: 10px 0;
    }


    /* top部分 */
    .top {
        height: 50px;
        width: 88%;
        padding: 0 6%;
        background: rgba(255, 255, 255, 1);
        display: flex;
        flex-direction: row;
        align-items: center;
        position: fixed;
        box-shadow: 0 0 5px rgba(127, 127, 127, 0.3);
        z-index: 105;

    }

    .top_logo {
        width: 70%;
    }

    .top_logo img {
        height: 20px;
        width: auto;
        margin-top: 3px;
    }

    .top_nav {
        display: none;
    }

    .top_search {
        display: none;
    }

    .top_login {
        display: none;
    }

    .top_search_media {
        display: block;
        width: 15%;
        text-align: right;

    }

    .top_search_media img {
        height: 19px;
        width: auto;
    }

    .top_menu_media {
        display: block;

        width: 15%;
        text-align: right;
    }

    .top_menu_media img {
        height: 16px;
        width: auto;
    }

    /* middle部分 */
    .middle {

        width: 94%;
        height: auto;
        background: rgba(255, 255, 255, 0);
        border-radius: 0px;
        margin-top: 0px;
        box-shadow: 0 0 0px #ccc;
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: 3% 3%;
        font-size: 10px;
        padding-top: 60px;
    }

    .middle_a {
        padding: 6% 3%;
        width: 94%;
        height: auto;
        background: rgba(255, 255, 255, 0.9);
        border-radius: 5px;

    }

    .middle_a_title {

        font-size: 14px;
        height: 30px;
        font-family: '';
        letter-spacing: 1px;
    }

    .middle_a_title img {
        height: 20px;
        width: auto;
        margin-right: 5px;
    }

    .middle_a_content {
        padding: 2% 5%;
    }

    .middle_a_content_item {
        height: auto;
        padding: 3% 0;
    }

    .middle_a_content_item_left {
        font-size: 14px;
        width: 75%;
    }

    .middle_a_content_item_right {
        width: 25%;
        font-size: 12px;
    }

    .middle_b {
        padding: 3%;
        width: 94%;
        height: auto;
        background: rgba(255, 255, 255, 0.9);
        margin-top: 10px;
        border-radius: 5px;

    }

    .middle_b_item a {
        display: block;
        float: left;
        padding: 10px;
        font-size: 12px;
    }

    .middle_c {
        padding: 3%;
        width: 94%;
        height: auto;
        background: rgba(255, 255, 255, 0.9);
        margin-top: 10px;
        border-radius: 5px;
    }

    .middle_a::after,
    .middle_b::after,
    .middle_c::after {
        display: none;
    }

    .middle_c_content_item {
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        padding-bottom: 2%;
    }

    .middle_c_content_left {
        width: 45%;
        height: auto;
        display: flex;
        flex-direction: row;
        align-items: center;
    }

    .middle_c_content_left img {
        height: 80px;
        width: 100%;
    }

    .middle_c_content_right {
        width: 45%;
        height: auto;
        display: flex;
        flex-direction: column;
        align-items: left;
        justify-content: space-between;
    }

    .middle_c_content_left_title {
        font-size: 14px;

    }

    .middle_c_content_right_author {
        font-size: 12px;
        margin-top: 5px;
    }

    .bottom {
        letter-spacing: 1px;
        font-size: 10px;
        margin-top: 0px;
        padding: 4%;
        padding-bottom: 8%;
    }

    .bottom a {
        margin-right: 3px;
    }

    /*当屏幕宽度大于320px时*/
    @media screen and (min-width: 320px) {
        .middle_a_content_item_left {
            font-size: 0.9rem;
        }

        .middle_b_item a {
            font-size: 0.8rem;
        }
    }

    /*当屏幕宽度大于375px时*/
    @media screen and (min-width: 375px) {
        .middle_a_content_item_left {
            font-size: 0.9rem;
        }

        .middle_b_item a {
            font-size: 0.9rem;
        }
    }

    /*当屏幕宽度大于414px时*/
    @media screen and (min-width: 414px) {
        .middle_a_content_item_left {
            font-size: 1.2rem;
        }

        .middle_b_item a {
            font-size: 1rem;
        }
    }


}