* {
    margin: 0;
    padding: 0;
    outline: none;
    font: inherit;
    color: inherit;
    list-style: none;
}
a {
    text-decoration: none;
}
body {
    font-family: 'arial', '微软雅黑';
    font-size: 14px;
    color: #333;
    background: #f5f5f5;
}
img {
    border: none;
    vertical-align: middle;
}
strong {
    font-weight: bold;
}
.overflow_style {
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    display: block;
}
.pic_middle {
    text-align: center;
    overflow: hidden;
}
.pic_middle:after {
    content: '0';
    font-size: 0;
}
.pic_middle img {
    max-width: 100%;
    max-height: 100%;
    transition: all 1s;
}
.pic_middle img[src=''] {
    background: #cccccc;
}

.word_img img {
    max-width: 100% !important;
    height: auto !important;
    list-style: none;
}

/*滚动条样式结束*/
.float_l {
    float: left;
}
.float_r {
    float: right;
}
.float_box:after {
    content: ' ';
    display: block;
    clear: both;
}
.clear {
    clear: both;
}
.box_center {
    width: 1200px;
    margin: 0 auto;
}

/*头部*/
.header {
    background: #2253ab;
    color: white;
    border-bottom: 3px solid #d5d5d5;
    margin-bottom: 20px;
}
.m-header {
    display: none;
}
.head_top {
    height: 75px;
    padding: 35px 0;
}
.head_left {
    padding: 10px 0;
}
.h_r_top {
    text-align: right;
    margin-bottom: 15px;
}
.h_r_top span {
    position: relative;
    line-height: 20px;
    color: #b6d0ff;
    display: inline-block;
    margin-left: 20px;
}
.h_r_top span i {
    display: inline-block;
    width: 20px;
    height: 20px;
    vertical-align: middle;
}
.h_r_t_link i {
    background: url(../pic/icon_sina.png) no-repeat center;
}
.h_r_t_wechat i {
    background: url(../pic/icon_wechat.png) no-repeat center;
}
.h_r_t_wechat {
    cursor: pointer;
}
.h_r_t_wechat img {
    position: absolute;
    width: 140px;
    left: 50%;
    margin-left: -70px;
    top: 30px;
    display: none;
}
.h_r_t_wechat:hover img {
    display: block;
}

.h_r_form {
    border: 2px solid #3264be;
    border-radius: 2px;
    background: #2a5cb6;
    padding-left: 10px;
    width: 260px;
}
.h_r_form input {
    background: none;
    border: none;
    vertical-align: middle;
    color: white;
    height: 38px;
    line-height: 38px;
}
.h_r_form .sk {
    width: 218px;
}
.h_r_form .sk::placeholder {
    color: #ccc;
}
.h_r_form .sk::-webkit-input-placeholder {
    color: #ccc;
}
.h_r_form .sbtn {
    width: 38px;
    background: url(../pic/search.png) no-repeat center;
    cursor: pointer;
}

.head_nav {
    display: table;
    border-collapse: collapse;
}
.head_nav ul {
    display: table-row;
}
.head_nav li {
    display: table-cell;
    background: #2a5cb6;
    border: 1px solid #3a6cc5;
}
.head_nav li a {
    display: block;
    line-height: 53px;
    text-align: center;
    color: #b6d0ff;
}
.head_nav li a:hover {
    color: white;
}

/*内容*/
.all_box {
    box-shadow: 1px 1px 3px 0 #ccc;
    padding: 20px;
    background: white;
    box-sizing: border-box;
}

.lable_style {
    border-bottom: 2px solid #dddddd;
    line-height: 16px;
    margin-bottom: 15px;
}
.lable_style span {
    float: left;
    color: #2253ab;
    font-size: 16px;
    padding-bottom: 13px;
    border-bottom: 2px solid #2253ab;
    margin-bottom: -2px;
    font-weight: bold;
}
.lable_style span.pr {
    padding-right: 2em;
}
.lable_style a {
    color: #999999;
    font-size: 14px;
    float: right;
}

/*底部*/
.friend_link.all_box {
    margin-bottom: 50px;
}
.friend_link ul {
    margin-left: -30px;
}
.friend_link ul li {
    float: left;
    margin-left: 30px;
}
.friend_link li a {
    display: block;
    line-height: 30px;
}
.footer {
    text-align: center;
    font-size: 15px;
    background: #252525;
    line-height: 30px;
    padding: 10px 0;
}
.footer span {
    display: inline-block;
    padding: 0 10px;
    color: #ffffff;
    opacity: 0.5;
}

#page {
    text-align: right;
    margin-top: 20px;
}

/* 小屏幕设备 */
@media screen and (max-width: 768px) {
    .header {
        display: none;
    }

    .box_center {
        width: 100% !important;
    }

    .m-header {
        display: flex;
        align-items: center;
        padding: 10px;
        background-color: #2253ab;
        height: 60px;
        box-sizing: border-box;
        color: #fff;
    }

    .m-header div {
        flex: 1;
        padding: 0 10px;
        font-size: 12px;
    }

    .m-header img {
        height: 100%;
    }

    /* .m-header .layui-icon {
        width: 40px;
        height: 100%;
    } */

    iframe:first-child {
        height: 60px;
    }
}