.login {
    margin-right: 3px;
    right: 0;
    top: 0;
    position: absolute;
}


div {
    border: 0;
    margin: 0;
    padding: 0;
}

.logo img {
    width: 40px;
    /*height: 39px;*/
    display: block;
    float: left; /* 让图片向左浮动 */
    margin-right: 20px; /* 图片和文字之间的间隔 */
}

.navigation {
    background: rgb(245, 216, 36);
}

.nav {
    padding: 10px 0 0 20px;
    /*height: 28px;*/
    font-size: 1.2em;
    font-family: proxima-nova, 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

.col {
    margin-right: 1%;
}

.nav ul {
    list-style: none;
    white-space: nowrap;
}

.nav li {
    display: inline;
    margin: 0 20px 0 0;
}

.mobile-nav {
    display: inline-block;
    width: 100%;
}

.main {
    margin-top: 20px;
}

a {
    color: #000000;
    opacity: .8;
    font-weight: bold;
    border: 0;
    margin: 0;
    -webkit-transition-duration: .2s;
    -webkit-transition-property: opacity;
    padding: 10px 0 10px 0;
    text-decoration: none;
    /*color: #e3efd9;*/
}

.runoob-col-md2 {
    margin-right: 1%;
    float: left;
    width: 15%;
    display: block;
    box-sizing: border-box;
    border: 1px solid #eee;
}

.site-fix {
    position: fixed;
    top: 0;
    bottom: 0;
    z-index: 666;
    min-height: 0;
    /*overflow: hidden;*/
    background-color: #fff;
    border-color: #eee;
    overflow-y: visible;
    /*-webkit-overflow-scrolling: touch;*/
    overflow-x: hidden;
}

.gallery-list {
    padding: 0;
}

.sidebar-box {
    background: #fff;
    margin: 0 0 20px 0;
    /*padding: 4px;*/
    /*-moz-box-shadow: 0 1px 1px 0 rgba(0,0,0,.1);*/
    /*-webkit-box-shadow: 0 1px 1px 0 rgba(0,0,0,.1);*/
    box-shadow: 0 1px 1px 0 rgba(0, 0, 0, .1);
}

.design {
    padding: 4px;
    margin: 0;
    overflow: hidden;
}

.design a {
    line-height: 24px;
    background-color: #f6f4f0;
    text-decoration: none;
    display: block;
    padding: 4px;
    border-bottom: 1px solid #efefef;
    color: #000;
    font-size: 16px;
}

body {
    font-size: 1.2em;
    font-family: Helvetica Neue, Helvetica, PingFang SC, Hiragino Sans GB, Microsoft YaHei, Noto Sans CJK SC, WenQuanYi Micro Hei, Arial, sans-serif;
    color: #333;
}

.article-body {
    padding: 10px 10px 20px 10px;
}


.middle-column {
    width: 83%;
    box-sizing: border-box;
    float: left;
}

.article {
    background: #fff;
    margin: 0;
    /*margin-bottom: 0px;*/
    border: 1px solid #efefef;
    /*border-bottom-width: 1px;*/
    /*border-bottom-style: solid;*/
    /*border-bottom-color: rgb(239, 239, 239);*/
    border-bottom: 0;
    margin-bottom: 20px;
}

.article-body {
    padding: 10px 10px 20px 10px;
}

table {
    width: 100%; /* 设置表格宽度为100% */
    table-layout: fixed; /* 固定表格布局，让列宽度固定 */
}

td, th {
    overflow: hidden; /* 防止内容溢出单元格 */
}

td input {
    width: 100%; /* 让input元素占满单元格的宽度 */
    box-sizing: border-box; /* 宽度包含padding和border */
}

.column {
    float: left;
    width: 50%;
}

.clearfix::after {
    content: "";
    clear: both;
    display: table;
}

a {
    white-space: nowrap;
}


.btn-color {
    color: #000000;
    background-color: rgb(245, 216, 36);
    border-color: rgb(245, 216, 36);
}

canvas { touch-action: none; }