* {
    line-height: 1.666;
}

html, td, th {
    font-size: 87.5%;
    font-size: 1.2rem;
}

@media only screen and (min-width: 320px) {
    html, td, th {
        font-size: 87.5% !important;
    }
}

@media only screen and (min-width: 640px) {
    html, td, th {
        font-size: 100% !important;
    }
}

body {
    margin: 0px;
    padding: 0px;
    color: #0A0A0A;
    background-color: #F6F6F6;
}

#btn_feedback {
    display: block;
    position: fixed;
    bottom: 0.5rem;
    right: 0.5rem;
    z-index: 10;
    border: none;
    outline: none;
    background-color: #D0D0D0;
    color: #000000;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 0.25rem;
    opacity: 0.7;
    font-size: 0.875rem;
    line-height: 120%;
}

    #btn_feedback:hover {
        background-color: #F0F0F0;
    }

#main {
    max-width: 640px;
    width: 100%;
    background-color: #fff;
    margin: 0 auto;
}

a {
    text-decoration: none;
}

b, b a:link, b a:visited {
    color: #212121;
}

#top, #top td {
    padding: 0.2rem;
    background-color: #305798; /* 导航栏 */
    color: #F8F8F8;
}

    #top b {
        color: #F8F8F8;
    }

    #top a:link, #top a:visited, #top a:hover {
        color: #F8F8F8;
    }

#nav_area {
    position: relative;
}

    #nav_area b {
        color: white;
    }

.like_a {
    cursor: pointer;
}

#nav_menu {
    display: none;
    position: absolute;
    top: 25px;
    right: -5px;
    background: #305798;
    padding: 2px;
    z-index: 999;
}

    #nav_menu div {
        border: solid 1px #4B7AC7;
    }

    #nav_menu td {
        white-space: nowrap;
        background: #305798;
    }

    #nav_menu a {
        display: block;
        padding: 0.4rem 0.9rem;
        text-align: center;
    }

    #nav_menu i {
        margin-right: 0.3rem;
    }
/******************************/
.content {
    padding: 1px;
    min-height: 87%;
    background-color: #F6F6F6;
}

    .content table {
        width: 100%;
    }

    .content th {
        border-color: #C3CBD8;
        background-color: #C3CBD8; /* 表格一级标题 */
        font-weight: normal;
    }

.div_tb_header {
    padding: 3px;
    background-color: #C3CBD8;
}

th.th_lv2 {
    border-color: #D6D6D6;
    background-color: #E6E6E6; /* 表格二级标题  */
}

.content a {
    color: #101010;
}

.content td {
    background-color: #F6F6F6; /* 表格二级内容 */
}

.content .td_top {
    background-color: #F0F0F0; /* 表格一级内容 */
}

.content .td_row0 {
    cursor: pointer;
    background-color: #E6E6E6;
    border-bottom-color: #D6D6D6;
    border-right-color: #E6E6E6;
}

.content .td_row0_2_noptr {
    background-color: #E6E6E6;
    border-bottom-color: #D6D6D6;
}

.content .td_row0_2 {
    cursor: pointer;
    background-color: #E6E6E6;
    border-bottom-color: #D6D6D6;
}

.follow, a.follow:visited, a.follow:link {
    font-size: 0.875rem;
    color: #383838;
}

.content .td_row1 {
    border-right-color: #D6D6D6;
}