/* ==========================================================================
   DUX 9.2 结构复原
   数值全部取自 https://www.nasaeye.com/wp-content/themes/dux%209.2/style.css
   变量按 DUX 的值展开成字面量：主色 #007bff、线 #f3f3f3、灰 #999、
   底色 #f4f4f4、浅底 #fbfbfb、正文 #333。
   ========================================================================== */

:root{
  --main:#007bff; --base:#333; --dark:#202935; --line:#f3f3f3;
  --gray:#999; --tint:#fbfbfb; --bdbg:#f4f4f4; --white:#fff;
}

body{
  position:relative;
  margin:0;
  padding-top:70px;
  font-size:14px;
  line-height:1.5;
  font-family:-apple-system,BlinkMacSystemFont,"Microsoft Yahei",MiSans,"HarmonyOS Sans","Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  color:var(--base);
  background-color:var(--bdbg);
  overflow-x:hidden;
}
a{color:var(--base);text-decoration:none;outline:0}
h1,h2,h3,h4,h5,h6{margin:0}
p{margin-top:0}
img{border-style:none;max-width:100%}

/* 容器 */
.container{position:relative;margin:0 auto;padding:0 20px;max-width:1240px}
.container::after{display:block;clear:both;content:""}

/* ============================ 页头 ============================ */
.header{
  position:fixed;top:0;left:0;right:0;z-index:999;
  background-color:#fff;
  padding:15px 0;
  box-shadow:0 1px 5px rgba(0,0,0,.02);
  transition:all .3s ease-in-out;
}
.header:before{
  content:"";position:absolute;bottom:0;left:0;right:0;
  border-top:1px solid #eee;transform:scaleY(.5);transform-origin:0 0;
}

.logo{overflow:hidden;float:left;margin:0}
.logo-text a{font-size:28px;font-weight:bold;letter-spacing:1px;color:var(--main);line-height:1.1;display:block}

.brand{
  font-size:14px;float:left;line-height:15px;color:#bbb;
  padding-left:10px;position:relative;top:1px;
  border-left:2px solid #eaeaea;margin-left:10px;
  overflow:hidden;height:30px;
}

.site-nav{font-size:0}
.site-nav li{position:relative;display:inline-block}
.site-nav a{display:block;padding:3px 0}
.site-nav a:hover{color:var(--main)}
.site-nav>li{margin-left:25px}
.site-nav li.current-menu-item>a,
.site-nav li.current-menu-parent>a{color:var(--main)}
.site-navbar{float:right}
.site-navbar>li{font-size:17px}

/* 移动端图标条：桌面端不显示 */
.m-icon-nav{display:none}

/* 搜索条：默认藏在页头上方，点了图标才落下来 */
.site-search{
  background-color:#fff;
  position:fixed;top:-120px;left:0;right:0;height:96px;
  z-index:8;opacity:0;
  transition:all .3s ease-in-out;
}
.search-on .site-search{top:62px;opacity:1}
.site-search-form{padding:37px 0;overflow:hidden}
.search-input{
  float:left;color:#999;border:1px solid var(--line);
  background-color:#fff;width:85%;height:46px;padding:4px 15px;
  border-right:none;font-size:15px;border-radius:6px 0 0 6px;outline:none;
}
.search-input:focus{border-color:var(--main)}
.search-btn{
  color:#fff;border:none;background:var(--main);height:46px;
  font-size:18px;padding:0 12px;border-radius:0 6px 6px 0;width:15%;cursor:pointer;
}
.search-btn:hover{opacity:.85}

/* ============================ 两栏布局 ============================ */
.content-wrap{width:100%;float:left}
.content{position:relative;min-height:600px;margin-right:380px;margin-bottom:20px}
.sidebar{float:left;margin-left:-360px;width:360px;padding:20px 0}

/* ============================ 首页头条 ============================ */
.excerpt-minic-index{padding:20px;overflow:hidden;background-color:#fff;margin-bottom:20px;border-radius:6px}
.excerpt-minic-index h2{font-size:18px;margin-bottom:5px;font-weight:bold;line-height:1.5}
.excerpt-minic-index .red{color:#ff5e52}
.excerpt-minic-index .note{margin:0;font-size:14px;color:#666}
.excerpt-minic-index .note a{color:#666}

/* 「最新发布」分节标题 */
.excerpts-title{
  background-color:#fff;border-radius:6px 6px 0 0;
  padding:17px 20px 0 20px;margin-bottom:0;
}
.excerpts-title h3{font-size:16px;font-weight:bold;padding-bottom:14px}
.excerpt-minic-index + .excerpts-title:before{
  content:"";position:absolute;top:0;left:0;right:0;
  border-top:1px solid var(--line);transform:scaleY(.5);transform-origin:0 0;
}

/* ============================ 列表项 ============================ */
.excerpt{
  padding:20px 20px 20px 220px;overflow:hidden;
  background-color:#fff;border-bottom:1px solid var(--line);
}
.excerpt:nth-last-of-type(1){border-radius:0 0 6px 6px}
.excerpt header{position:relative;margin-bottom:10px}
.excerpt h2{display:inline;font-size:18px;margin-top:0;font-weight:bold}
.excerpt h2 a:hover{color:var(--main)}
.excerpt .focus{
  float:left;margin-left:-200px;width:180px;height:123px;
  display:flex;border-radius:6px;overflow:hidden;
}
.excerpt .thumb{flex:1;object-fit:cover;width:100%;height:100%}
.excerpt .meta{color:var(--gray);margin-top:20px;overflow:hidden;height:24px}
.excerpt .meta time,
.excerpt .meta .cat,
.excerpt .meta .-tags{margin-right:15px;display:inline-block}
.excerpt .note{
  font-size:14px;color:#666;word-wrap:break-word;margin-bottom:0;
  max-height:46px;overflow:hidden;display:-webkit-box;
  -webkit-box-orient:vertical;-webkit-line-clamp:2;
}
.excerpt .-tags{display:inline}

/* 无缩略图：左侧留白收回，摘要放开两行以上 */
.excerpt-text{padding-left:20px}
.excerpt-text header{height:auto}
.excerpt-text .meta{bottom:-4px;left:0;right:0;position:relative}
.excerpt-text .meta time{display:inline-block}
.excerpt-latest time{color:#ff5e52}
.m-excerpt-desc .excerpt-text .note{
  display:block;max-height:unset;color:var(--gray);margin-top:3px;font-size:13px;
}
.m-excerpt-time .excerpt .meta time{display:inline-block;margin-right:10px}

/* ============================ 栏目页标题 ============================ */
.catleader{
  background-color:#fff;border-radius:6px 6px 0 0;
  padding:17px 20px;border-bottom:1px solid var(--line);
}
.catleader h1{position:relative;font-size:17px;margin:0;padding-left:17px;font-weight:bold}
.catleader h1::before{
  content:"";position:absolute;top:50%;left:0;margin-top:-8px;
  height:16px;width:4px;border-radius:10px;background-color:var(--main);
}

/* ============================ 分页 ============================ */
.pagination{padding:20px;text-align:center;background-color:#fff;border-radius:0 0 6px 6px}
.pagination ul{margin:0;padding:0;list-style:none;font-size:0}
.pagination li{vertical-align:top;display:inline-block;font-size:14px}
.pagination a,.pagination span{
  display:block;margin:0 3px;padding:7px 15px;
  background-color:#eee;color:#777;border-radius:6px;
  border:1px solid rgba(0,0,0,0);
}
.pagination a:hover,.pagination a:focus{
  color:var(--main);border-color:var(--main);background-color:rgba(0,0,0,0);
}
.pagination .active a,.pagination .active span{
  cursor:default;background-color:var(--main);color:#fff;
}
.pagination span,.pagination .disabled span{
  color:var(--gray);background-color:rgba(0,0,0,0);cursor:default;
}

/* ============================ 文章页 ============================ */
.single .content{background-color:#fff;border-radius:6px;padding:30px 30px}

.article-header{margin-bottom:30px;text-align:center}
.article-title{font-size:25px;font-weight:bold;line-height:1.4}
.article-meta{margin-top:10px;color:var(--gray)}
.article-meta .item{margin-right:15px;display:inline-block}
.article-meta .item a{color:var(--gray)}

.article-content{font-size:16px;line-height:1.8;word-wrap:break-word}
.article-content::after{display:block;clear:both;content:""}
.article-content p{margin:20px 0;word-wrap:break-word}
.article-content h1,.article-content h2,.article-content h3,
.article-content h4,.article-content h5,.article-content h6{
  line-height:1.4;font-weight:bold;margin:20px 0;padding:0;
}
.article-content h1{font-size:24px}
.article-content h2{
  font-size:22px;position:relative;padding-left:22px;padding-bottom:10px;
  border-bottom:1px solid var(--line);
}
.article-content h2::before{
  position:absolute;left:0;top:5px;bottom:13px;content:"";
  width:5px;border-radius:10px;background-color:var(--main);
}
.article-content h3{font-size:20px}
.article-content h4{font-size:18px}
.article-content h5,.article-content h6{font-size:16px}
.article-content ul{list-style:disc}
.article-content ol{list-style:decimal}
.article-content ul,.article-content ol{margin:0 0 20px 50px;padding:0}
.article-content li{margin-bottom:6px}
.article-content a{text-decoration:underline;color:var(--main)}
.article-content a:hover{color:#ff5e52}
.article-content img{margin:0 auto;display:block;max-width:100%;height:auto}
.article-content blockquote{
  margin:30px 30px;padding:10px 20px;font-size:16px;color:var(--gray);
  border-left:4px solid var(--line);
}
.article-content table{width:100%;margin-bottom:20px;border-collapse:collapse}

/* 段首缩进 32px + 两端对齐（纳视 body 上挂着 p_indent 与 text-justify-on） */
.p_indent .article-content p{text-indent:32px}
.p_indent .article-content p code,
.p_indent .article-content p em,
.p_indent .article-content p i,
.p_indent .article-content p strong,
.p_indent .article-content p span,
.p_indent .article-content p b,
.p_indent .article-content p u{text-indent:0}
.text-justify-on .article-content,
.text-justify-on .excerpt .note,
.text-justify-on .excerpt-minic-index,
.text-justify-on .widget_ui_posts .text{text-align:justify}

/* 版权/免责声明 */
.post-copyright-custom{
  border:1px solid var(--line);background-color:#fdfdfd;border-radius:6px;
  padding:18px 20px;margin-bottom:40px;color:var(--gray);font-size:14px;line-height:2;
}
.post-copyright-custom a{color:var(--gray)}

/* 标签 */
.article-tags{margin-bottom:40px;text-align:center;color:var(--gray)}
.article-tags a{
  display:inline-block;padding:5px 12px;margin:0 5px 5px 0;
  color:#fff;font-size:14px;background-color:var(--main);
  opacity:.85;border-radius:6px;
}
.article-tags a:hover{opacity:1}

/* 上一篇 / 下一篇 */
.article-nav{
  overflow:hidden;margin-bottom:40px;font-size:12px;
  color:var(--gray);word-break:break-word;
}
.article-nav span{float:left;position:relative;width:50%}
.article-nav .article-nav-next{float:right;text-align:right}
.article-nav .article-nav-next::before{
  content:"";position:absolute;left:0;top:0;height:100%;display:block;
  width:1px;background-color:var(--line);
}
.article-nav a{margin-right:10px;display:inline-block;font-size:14px}
.article-nav .article-nav-next a{margin-left:10px;margin-right:0}

/* ============================ 侧栏 ============================ */
.widget{
  position:relative;margin-bottom:20px;border-radius:6px;
  background-color:#fff;overflow:hidden;
}
.widget h3{
  position:relative;font-size:15px;margin:0;font-weight:bold;
  padding:10px 20px 10px 37px;
  background-color:var(--tint);border-bottom:1px solid var(--line);
}
.widget h3::before{
  content:"";position:absolute;top:50%;left:20px;margin-top:-7.5px;
  height:15px;width:4px;border-radius:10px;background-color:var(--main);
}
.widget ul{list-style:none;padding:0;margin:0}
.widget ul::after{display:block;clear:both;content:""}

/* 最新文章 */
.widget_ui_posts ul{padding:0}
.widget_ui_posts li{border-bottom:1px solid var(--line)}
.widget_ui_posts li:last-child{border-bottom:none}
.widget_ui_posts li:last-child a{padding-bottom:18px}
.widget_ui_posts li a{padding:15px 20px 15px 150px;overflow:hidden;position:relative;display:block}
.widget_ui_posts li a:hover{background-color:var(--tint)}
.widget_ui_posts li.noimg a{padding:12px 20px}
.widget_ui_posts li a:hover .text{color:var(--main)}
.widget_ui_posts .text{
  display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden;
}
.widget_ui_posts .thumbnail{
  float:left;margin-left:-130px;position:relative;top:2px;
  width:117px;height:80px;border-radius:6px;overflow:hidden;display:flex;
}
.widget_ui_posts .thumbnail img{object-fit:cover;flex:1}
.widget_ui_posts .muted{display:inline-block;margin-right:15px;font-size:12px;color:#bbb}
.widget_ui_posts .nopic li a{padding:10px 15px}
.widget_ui_posts .nopic .text{margin-top:0;color:#555}
.widget_ui_posts .nopic .text:hover{color:var(--main)}

/* 热门标签 */
.widget_ui_tags .items{overflow:hidden;padding:16px 20px;margin-right:-3%}
.widget_ui_tags .items a{
  float:left;width:30.3333333333%;margin-right:3%;margin-top:12px;font-size:14px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.widget_ui_tags .items a:nth-child(-n+3){margin-top:0}
.widget_ui_tags .items a:hover{color:var(--main)}

/* 文章目录 */
.posttoc{margin-right:3px;padding:0 20px;overflow-y:auto;max-height:316px}
.posttoc ul{padding:12px 0 15px;border-left:2px solid var(--line)}
.posttoc li{position:relative;padding:3px 0;cursor:pointer;font-size:14px}
.posttoc li::before{
  content:"";z-index:2;position:absolute;top:10px;left:-5px;
  width:8px;height:8px;border-radius:50%;
  background-color:#fff;border:2px solid var(--main);
  display:none;transition:all .3s ease-in-out;
}
.posttoc li::after{
  content:"";position:absolute;top:13px;left:0;width:16px;height:2px;
  background-color:var(--line);border-radius:10px;
}
.posttoc li.active{color:var(--main)}
.posttoc li.active::before{display:block;background-color:var(--main)}
.posttoc li.active::after{background-color:var(--main)}
.posttoc li:hover{color:var(--main)}
.posttoc .-level-1{padding-left:28px;font-weight:bold}
.posttoc .-level-1::before{display:block}
.posttoc .-level-2{padding-left:56px}
.posttoc .-level-2::after{width:44px}
.posttoc .-level-3{padding-left:84px}
.posttoc .-level-3::after{width:72px}

/* ============================ 单页 ============================ */
.pagecontent{
  padding:30px;background-color:#fff;border-radius:6px;margin-bottom:20px;
}
.pagecontent .article-header{padding-top:0}

/* ============================ 页脚 ============================ */
.footer{
  position:relative;z-index:9;clear:both;padding:40px 20px;
  font-size:12px;text-align:center;color:var(--gray);
}
.footer .container{padding:0 20px}
.footer p{margin:0 0 7.5px;line-height:1.9}
.footer a{color:var(--gray)}
.footer a:hover{color:var(--main)}

/* 右侧浮动栏 */
.karbar{position:fixed;right:20px;bottom:20px;width:68px;z-index:999}
.karbar ul{margin:0;padding:0;list-style:none}
.karbar li{position:relative;margin-top:6px;text-align:center}
.karbar a{
  position:relative;z-index:2;display:block;height:65px;border-radius:6px;
  background-color:#fff;border:1px solid var(--main);color:var(--main);
}
.karbar a span{display:block;font-size:12px}
.karbar a:hover{color:#fff;background-color:var(--main)}
.karbar i{position:relative;display:block;line-height:23px;font-size:23px;height:23px;margin:10px 0 6px}
.karbar i svg{display:inline-block;vertical-align:top}
.karbar li.karbar-totop{display:none}
.karbar li.karbar-totop.show{display:block}

/* ============================ 移动端 ============================ */
@media (max-width:768px){
  body{padding-top:50px}
  .container{padding:0 15px}

  .header{padding:15px 0;text-align:center}
  .logo{float:none;text-align:center;max-width:100%;margin-bottom:0}
  .logo-text a{font-size:18px;line-height:24px}
  .brand{display:none}
  .site-navbar{float:none;text-align:center;display:none}
  .site-navbar>li{margin-left:20px;font-size:14px}

  .m-icon-nav{
    z-index:99998;display:block;position:fixed;top:0;left:0;
    height:50px;line-height:50px;font-size:15px;padding:0 5px 0 15px;
  }
  .m-icon-nav i{
    display:inline-block;margin-right:14px;cursor:pointer;
  }
  .m-nav-show .site-navbar{
    display:block;position:fixed;top:50px;left:0;right:0;
    background:#fff;text-align:left;padding:8px 15px;
    border-bottom:1px solid var(--line);z-index:9997;
  }
  .m-nav-show .site-navbar>li{display:block;margin:0;font-size:15px;line-height:44px}

  .search-on .site-search{top:50px;height:auto}
  .site-search-form{padding:15px}
  .search-input{height:36px;font-size:12px;padding:4px 10px}
  .search-btn{height:36px;font-size:14px}

  .content{margin-right:0;min-height:auto;margin-bottom:0}
  .sidebar{float:none;margin-left:0;width:auto;clear:both;padding:0 0 20px}
  .sidebar .widget{display:none !important}
  .sidebar .widget-on-phone{display:block !important}

  .single .content{padding:0 15px}
  .article-title{font-size:20px}
  .article-meta{font-size:12px;margin-top:5px}
  .article-meta .item{margin-right:10px}
  .p_indent .article-content p{text-indent:24px}
  .article-content{font-size:16px;line-height:1.7}
  .article-content h2{font-size:20px}
  .article-content h3{font-size:18px}
  .article-content ul,.article-content ol{margin-left:30px}
  .article-tags{margin-bottom:20px}
  .article-nav{margin-bottom:20px}

  .excerpt{padding:14px 15px 15px;border:none;border-radius:0 !important;position:relative}
  .excerpt:before{
    content:"";position:absolute;bottom:0;left:15px;right:15px;
    border-top:1px solid var(--line);transform:scaleY(.5);transform-origin:0 0;
  }
  .excerpt:last-child::before{display:none}
  .excerpt .focus{float:right;margin-right:-135px;margin-left:0;width:120px;height:82px}
  .excerpt header{margin-bottom:0;overflow:hidden;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3}
  .excerpt h2{font-size:15px;line-height:1.4;font-weight:normal;position:relative;top:-2px}
  .excerpt .note{display:none}
  .excerpt .meta{position:absolute;bottom:11px;left:15px;right:150px;font-size:12px;margin-top:0;height:19px}
  .excerpt-text{padding-left:15px;padding-right:15px}
  .excerpt-text .note{display:block}
  .excerpt-text .meta{left:15px;right:15px}
  .m-excerpt-desc .excerpt-text .note{display:block;max-height:unset}

  .excerpts-title{padding:10px 15px 0}
  .excerpt-minic-index{border-radius:0;padding:15px}
  .excerpt-minic-index h2{font-size:15px;margin-bottom:3px}
  .excerpt-minic-index .note{font-size:13px;color:var(--gray);display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3}

  .catleader{padding:10px 15px;border-radius:0;border-bottom:none;position:relative}
  .catleader:before{
    content:"";position:absolute;bottom:0;left:0;right:0;
    border-top:1px solid var(--line);transform:scaleY(.5);transform-origin:0 0;
  }
  .catleader h1{font-size:14px}
  .catleader h1::before{margin-top:-7px;height:14px}

  .pagination{padding:15px;font-size:12px;border-radius:0}
  .pagination li{display:none}
  .pagination li.prev-page,.pagination li.next-page{display:inline}
  .pagination li.next-page a{background-color:var(--main);color:#fff}
  .pagination a,.pagination span{padding:5px 11px}

  .widget{border-radius:0}
  .widget h3{font-size:14px;padding-left:28px}
  .widget h3::before{left:15px;margin-top:-7px;height:14px}
  .widget_ui_posts li a{padding:15px 15px 15px 145px}
  .widget_ui_posts li.noimg a{padding:12px 15px}
  .widget_ui_tags .items{padding:12px 15px}

  .post-copyright-custom{padding:14px 15px;margin-bottom:20px;font-size:13px}

  .pagecontent{padding:15px;border-radius:0;margin-bottom:0}

  .footer{padding:15px}
  .footer p{margin:0 0 5px}
  .karbar{right:10px;bottom:10px;width:56px}
  .karbar a{height:56px}
  .karbar i{height:20px;line-height:20px;margin:8px 0 4px}
}