/*
Theme Name: MKJ Portal
Theme URI: https://mkjnews.com/
Author: mkjnews
Description: 喵科技网门户主题 —— 新闻杂志式三栏版式，红色主视觉，含首页要闻轮播、分类区块、图文侧栏、文章内页排版与移动端自适应。代码与素材均为原创。
Version: 1.0.0
Requires PHP: 7.0
License: GNU General Public License v2 or later
Text Domain: mkjportal
Tags: news, magazine, three-columns, custom-menu, featured-images
*/

:root{
  --red:#d40300; --red-dark:#b61704; --ink:#333; --ink-strong:#1a1a1a;
  --gray:#999; --gray-2:#a1a1a1; --line:#e8e9eb; --bg:#f2f2f2; --card:#fff;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{font:15px/1.7 "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Heiti SC",sans-serif;color:var(--ink);background:var(--bg);}
a{color:inherit;text-decoration:none;transition:color .15s;}
a:hover{color:var(--red);}
ul,ol{list-style:none;}
img{max-width:100%;height:auto;border:0;display:block;}
table{border-collapse:collapse;}
.clearfix:after{display:block;clear:both;visibility:hidden;height:0;content:".";}

.container{width:1200px;max-width:96%;margin:0 auto;}

/* ========== 顶部黑条 ========== */
.topbar{background:var(--ink-strong);color:#bbb;font-size:12px;height:34px;line-height:34px;}
.topbar .container{display:flex;justify-content:space-between;}
.topbar a{color:#ccc;margin-left:16px;}
.topbar a:hover{color:#fff;}
.topbar .tb-date{color:#888;}

/* ========== 站头 ========== */
.site-head{background:#fff;padding:16px 0;}
.site-head .container{display:flex;align-items:center;justify-content:space-between;gap:20px;}
.logo{display:flex;align-items:baseline;gap:10px;}
.logo-badge{background:var(--red);color:#fff;font-size:26px;font-weight:800;padding:6px 12px;letter-spacing:1px;border-radius:4px;}
.logo-name{font-size:24px;font-weight:800;color:var(--ink-strong);letter-spacing:2px;}
.logo-name small{display:block;font-size:11px;font-weight:400;color:var(--gray-2);letter-spacing:3px;}
.head-banner{width:560px;max-width:44%;height:72px;border-radius:6px;
  background:linear-gradient(120deg,#2a2f38 0%,#3d4757 55%,#2a2f38 100%);
  color:#e8e9eb;display:flex;align-items:center;justify-content:center;
  font-size:18px;letter-spacing:4px;overflow:hidden;position:relative;}
.head-banner em{font-style:normal;color:#ffd9d8;}
.head-banner span{opacity:.85;}

/* ========== 主导航 ========== */
.mainnav{background:#fff;border-bottom:2px solid var(--red);position:sticky;top:0;z-index:99;box-shadow:0 1px 4px rgba(0,0,0,.06);}
.mainnav ul{display:flex;flex-wrap:nowrap;overflow-x:auto;}
.mainnav li a{display:block;padding:0 22px;height:46px;line-height:46px;font-size:16px;color:var(--ink-strong);white-space:nowrap;}
.mainnav li.current-menu-item>a,.mainnav li.current-cat>a,.mainnav li a:hover{color:#fff;background:var(--red);}
.nav-search{float:right;}
.mainnav .container{display:flex;align-items:center;}
.mainnav ul{flex:1;}

/* ========== 首页栅格 ========== */
.home-wrap{margin-top:20px;}
.home-main{float:left;width:830px;}
.home-side{float:right;width:330px;}

/* 卡片式缩略图（无图时用分类色块兜底） */
.thumb{position:relative;overflow:hidden;background-color:#dde0e4;background-size:cover;background-position:center;}
.thumb img{width:100%;height:100%;object-fit:cover;display:block;}
.thumb.noimg{background-size:cover;background-position:center;}
.thumb.noimg:after{content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.07) 0 10px,transparent 10px 20px);}
.thumb .ph{position:absolute;left:10px;top:10px;z-index:2;
  font-size:12px;font-weight:400;color:rgba(255,255,255,.88);letter-spacing:2px;
  border:1px solid rgba(255,255,255,.5);border-radius:2px;padding:1px 7px;}
.thumb .cap{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:24px 12px 8px;
  background:linear-gradient(transparent,rgba(0,0,0,.72));color:#fff;font-size:15px;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.t-c1{background-image:linear-gradient(135deg,#a80804,#de3c1e);}
.t-c2{background-image:linear-gradient(135deg,#0a2a54,#18769e);}
.t-c3{background-image:linear-gradient(135deg,#262c34,#566270);}
.t-c4{background-image:linear-gradient(135deg,#7e3618,#cc7a3c);}
.t-c5{background-image:linear-gradient(135deg,#0a5a4a,#24a078);}
/* 小尺寸缩略图上的分类标签缩小 */
.hotlist .thumb .ph,.hero-left .duo .thumb .ph,.postlist .thumb .ph{font-size:10px;letter-spacing:1px;padding:0 4px;left:6px;top:6px;}
.hotlist .thumb .cap,.hero-left .duo .thumb .cap{font-size:12px;padding:16px 8px 6px;}

/* 轮播 */
.slider{position:relative;width:370px;height:300px;overflow:hidden;}
.slider .slide{position:absolute;inset:0;opacity:0;transition:opacity .5s;}
.slider .slide.on{opacity:1;}
.slider .slide .thumb{width:100%;height:100%;}
.slider .cap{font-size:16px;}
.slider-dots{position:absolute;right:10px;top:10px;bottom:auto;z-index:5;
  background:rgba(0,0,0,.38);border-radius:11px;padding:5px 9px;line-height:0;}
.slider-dots i{display:inline-block;width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.62);margin-left:6px;cursor:pointer;}
.slider-dots i:first-child{margin-left:0;}
.slider-dots i.on{background:#fff;}
.hero-left{width:370px;flex:none;min-width:0;}
.hero-left .duo{margin-top:14px;display:flex;gap:14px;}
.hero-left .duo .thumb{width:178px;height:112px;}
.hero-mid{flex:1;min-width:0;}

/* 区块标题 */
.sec-hd{display:flex;align-items:center;border-top:1px solid var(--red);margin-top:34px;padding-top:10px;}
.sec-hd .sq{width:22px;height:22px;background:var(--red);color:#fff;font-size:13px;line-height:22px;text-align:center;margin-right:8px;font-weight:700;}
.sec-hd h2{font-size:20px;color:var(--ink-strong);letter-spacing:1px;}
.sec-hd h2 a{color:var(--ink-strong);}
.sec-hd h2 a:hover{color:var(--red);}
.sec-hd .more{margin-left:auto;font-size:13px;color:var(--gray);}
.sec-hd .more:hover{color:var(--red);}

/* 文字列表 */
.midlist li{height:34px;line-height:34px;font-size:17px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;}
.midlist li:before{content:"";display:inline-block;width:5px;height:5px;background:var(--red);border-radius:50%;margin-right:10px;vertical-align:2px;}
.midlist li em{font-style:normal;color:var(--red);font-size:12px;border:1px solid var(--red);border-radius:3px;padding:0 4px;margin-right:8px;font-size:11px;}
.midlist.mt{margin-top:10px;}
.hotlist li{display:flex;gap:10px;padding:9px 0;border-bottom:1px dashed var(--line);}
.hotlist li:last-child{border-bottom:0;}
.hotlist .thumb{width:104px;height:70px;flex:none;}
.hotlist h4{font-size:15px;font-weight:400;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.hotlist h4:hover{color:var(--red);}
.hotlist .meta{font-size:12px;color:var(--gray-2);margin-top:4px;}

/* 要闻区 */
.hero{background:#fff;padding:16px;box-shadow:0 1px 3px rgba(0,0,0,.05);
  display:flex;gap:16px;align-items:flex-start;}
/* flex 布局下不需要 clearfix 的伪元素，否则会多出一个占位 */
.hero:after{content:none;}
.tabbar{display:flex;border-bottom:2px solid var(--red);}
.tabbar span{padding:8px 18px;font-size:17px;cursor:pointer;color:var(--ink-strong);}
.tabbar span.on{background:var(--red);color:#fff;}
.tabpane{display:none;}
.tabpane.on{display:block;}
.hero-mid .midlist{margin-top:12px;}
.standfirst{font-size:15px;color:var(--gray);line-height:1.7;margin:10px 0 4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.standfirst strong{color:var(--red);font-weight:400;}

/* 分类区块 */
.catblock{margin-top:26px;}
.catblock .grid{background:#fff;padding:16px;margin-top:12px;box-shadow:0 1px 3px rgba(0,0,0,.05);display:flex;gap:18px;}
.catblock .cb-l{width:322px;flex:none;}
.catblock .cb-l .thumb{width:322px;height:190px;margin-bottom:14px;}
.catblock .cb-c{flex:1;min-width:0;}
.catblock .cb-r{width:150px;flex:none;display:none;}

/* 最新发布网格（分类内容不足时的兜底版块） */
.latest-grid{background:#fff;padding:16px;margin-top:12px;box-shadow:0 1px 3px rgba(0,0,0,.05);
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px 16px;}
.latest-grid .lg-item{display:block;min-width:0;}
.latest-grid .thumb{width:100%;height:132px;}
.latest-grid .lg-t{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  font-size:15px;line-height:1.5;margin-top:6px;color:var(--ink-strong);}
.latest-grid .lg-item:hover .lg-t{color:var(--red);}
.latest-grid .lg-meta{display:block;font-size:12px;color:var(--gray-2);margin-top:7px;}
.empty-tip{color:#999;font-size:13px;}

/* 侧栏 */
.side-box{background:#fff;padding:16px;margin-bottom:18px;box-shadow:0 1px 3px rgba(0,0,0,.05);}
.side-t{font-size:17px;color:var(--ink-strong);border-left:4px solid var(--red);padding-left:10px;line-height:1.3;margin-bottom:12px;}
.side-t a{float:right;font-size:12px;color:var(--gray);font-weight:400;}
.ranklist li{height:32px;line-height:32px;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:flex;}
.ranklist li i{font-style:normal;width:20px;height:20px;line-height:20px;text-align:center;background:#c9ccd1;color:#fff;font-size:12px;border-radius:3px;margin:6px 10px 0 0;flex:none;}
.ranklist li:nth-child(1) i,.ranklist li:nth-child(2) i,.ranklist li:nth-child(3) i{background:var(--red);}
.ranklist li span{overflow:hidden;text-overflow:ellipsis;}
.widget ul li{font-size:14px;}
.widget_tag_cloud .tagcloud a{display:inline-block;background:#f4f5f6;color:#666;font-size:13px!important;padding:4px 10px;margin:0 6px 8px 0;border-radius:3px;}
.widget_tag_cloud .tagcloud a:hover{background:var(--red);color:#fff;}

/* ========== 内页：面包屑 + 正文 ========== */
.crumb{margin:16px auto;font-size:13px;color:var(--gray-2);}
.crumb a{color:var(--gray);}
.crumb a:hover{color:var(--red);}
.crumb b{color:var(--red);font-weight:400;}
.page-grid{background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.05);padding:26px 30px;}
.page-main{float:left;width:830px;}
.page-side{float:right;width:330px;}

.art-title{font-size:30px;line-height:1.45;color:var(--ink-strong);text-align:center;font-weight:700;}
.art-meta{display:flex;justify-content:center;gap:22px;margin:16px 0 6px;font-size:13px;color:var(--gray-2);border-bottom:1px solid var(--line);padding-bottom:14px;}
.art-meta b{color:var(--red);font-weight:400;}
.art-body{margin-top:18px;font-size:18px;line-height:1.9;color:#222;}
.art-body p{margin:0 0 20px;text-indent:2em;}
.art-body h2,.art-body h3{font-size:20px;margin:28px 0 14px;color:var(--ink-strong);text-indent:0;}
.art-body ul,.art-body ol{margin:0 0 20px 2em;}
.art-body ul li{list-style:disc;margin-bottom:8px;}
.art-body ol li{list-style:decimal;margin-bottom:8px;}
.art-body img{margin:10px auto;border-radius:4px;}
.art-body table{width:100%;font-size:15px;}
.art-body th{background:#f2f4f7;padding:10px 12px;border:1px solid var(--line);font-weight:600;text-align:left;}
.art-body td{padding:10px 12px;border:1px solid var(--line);}
.art-body blockquote{border-left:4px solid var(--red);background:#fafafa;padding:12px 16px;margin:0 0 20px;color:#555;text-indent:0;}
.art-body a{color:var(--red);border-bottom:1px solid rgba(212,3,0,.3);}
.art-tags{margin-top:24px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;}
.art-tags a{display:inline-block;background:#f4f5f6;padding:4px 12px;margin:0 8px 8px 0;border-radius:3px;color:#666;}
.art-tags a:hover{background:var(--red);color:#fff;}
.art-nav{display:flex;justify-content:space-between;margin-top:20px;font-size:14px;color:var(--gray);}
.art-nav a{max-width:46%;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;}
.art-nav a:hover{color:var(--red);}

/* 相关阅读 */
.related{margin-top:30px;border-top:1px solid var(--red);padding-top:12px;}
.related h3{font-size:18px;margin-bottom:6px;}
.related ul{columns:2;column-gap:36px;margin-top:8px;}
.related li{height:34px;line-height:34px;font-size:16px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;break-inside:avoid;}
.related li:before{content:"";display:inline-block;width:5px;height:5px;background:var(--red);border-radius:50%;margin-right:10px;vertical-align:2px;}

/* ========== 列表页 ========== */
.cat-head{background:#fff;border-left:5px solid var(--red);padding:14px 18px;margin-top:16px;box-shadow:0 1px 3px rgba(0,0,0,.05);}
.cat-head h1{font-size:22px;color:var(--ink-strong);}
.cat-head p{font-size:13px;color:var(--gray-2);margin-top:2px;}
.postlist{margin-top:14px;}
.postlist article{background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.05);padding:16px;display:flex;gap:18px;margin-bottom:14px;}
.postlist .thumb{width:240px;height:150px;flex:none;}
.postlist h2{font-size:20px;line-height:1.5;}
.postlist h2 a:hover{color:var(--red);}
.postlist .ex{font-size:14px;color:#666;margin-top:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.postlist .meta{font-size:12px;color:var(--gray-2);margin-top:10px;}
.postlist .meta b{color:var(--red);font-weight:400;margin-right:10px;}
.pagenav{margin:24px 0;text-align:center;}
.pagenav .page-numbers{display:inline-block;min-width:34px;height:34px;line-height:34px;padding:0 10px;background:#fff;margin:0 4px;border:1px solid var(--line);font-size:14px;}
.pagenav .current,.pagenav .page-numbers:hover{background:var(--red);color:#fff;border-color:var(--red);}

/* 页面/搜索 */
.page-title{font-size:24px;color:var(--ink-strong);border-left:5px solid var(--red);padding-left:14px;margin-top:20px;}
.nores{background:#fff;padding:60px;text-align:center;color:var(--gray);box-shadow:0 1px 3px rgba(0,0,0,.05);margin-top:16px;}

/* ========== 页脚 ========== */
.footer{background:var(--ink-strong);color:#8b8f96;margin-top:40px;padding:30px 0 0;font-size:13px;}
.footer a{color:#b9bdc4;}
.footer a:hover{color:#fff;}
.foot-links{display:flex;flex-wrap:wrap;gap:6px 18px;padding-bottom:18px;border-bottom:1px solid #2c2f34;}
.foot-links .fl-t{color:#d7dade;font-weight:600;}
.foot-copyright{text-align:center;padding:18px 0;line-height:2;}
/* 免责声明 */
.disclaimer{background:#23262b;border:1px solid #30343a;border-left:3px solid #d40300;
  border-radius:3px;padding:14px 16px;margin-bottom:20px;}
.disclaimer .dc-hd{display:flex;align-items:center;gap:6px;color:#e8eaed;font-weight:700;
  font-size:14px;margin-bottom:8px;}
.disclaimer .dc-ico{display:inline-flex;align-items:center;justify-content:center;
  width:16px;height:16px;flex:none;border-radius:50%;background:#d40300;color:#fff;
  font-size:11px;font-weight:700;font-style:normal;line-height:1;}
.disclaimer .dc-tx{margin:0;color:#95999f;font-size:12.5px;line-height:1.95;text-align:justify;}
.disclaimer .dc-tx a{color:#e2685f;text-decoration:underline;}
.disclaimer .dc-tx a:hover{color:#fff;}
.disclaimer .dc-tx strong{color:#d7dade;font-weight:600;}

/* 返回顶部 */
.backtop{position:fixed;right:24px;bottom:80px;width:44px;height:44px;background:#fff;border:1px solid var(--line);border-radius:4px;text-align:center;line-height:44px;font-size:18px;cursor:pointer;color:var(--gray);display:none;z-index:98;box-shadow:0 2px 8px rgba(0,0,0,.12);}
.backtop:hover{background:var(--red);color:#fff;border-color:var(--red);}

/* ========== 响应式 ========== */
@media (max-width:1100px){
  .head-banner{display:none;}
  .home-main,.page-main{width:100%;float:none;}
  .home-side,.page-side{width:100%;float:none;margin-top:24px;}
  /* 头图区在窄屏改为单栏整宽，避免右侧留白 */
  .hero{flex-direction:column;}
  .hero-left,.hero-mid{width:100%;}
  .hero-mid{margin-top:18px;}
  .slider{width:100%;height:auto;aspect-ratio:16/9;max-height:420px;}
  .hero-left .duo a{flex:1;min-width:0;}
  .hero-left .duo .thumb{width:100%;height:auto;aspect-ratio:16/9;}
}
@media (max-width:760px){
  .topbar{display:none;}
  .logo-name{font-size:18px;}
  .logo-badge{font-size:18px;}
  .mainnav li a{padding:0 14px;font-size:15px;height:42px;line-height:42px;}
  .hero{padding:12px;}
  .hero-left,.hero-mid{float:none;width:100%;}
  .slider{width:100%;}
  .hero-left .duo{margin-bottom:14px;}
  .catblock .grid{flex-direction:column;}
  .catblock .cb-l{width:100%;}
  .catblock .cb-l .thumb{width:100%;}
  .latest-grid{grid-template-columns:repeat(2,1fr);gap:16px 12px;}
  .latest-grid .thumb{height:118px;}
  .art-title{font-size:22px;text-align:left;}
  .art-meta{flex-wrap:wrap;gap:10px 16px;justify-content:flex-start;}
  .art-body{font-size:17px;}
  .art-body p{text-indent:0;}
  .page-grid{padding:18px 16px;}
  .postlist article{flex-direction:column;}
  .postlist .thumb{width:100%;height:180px;}
  .related ul{columns:1;}
  .disclaimer{padding:12px 12px;margin-bottom:16px;}
  .disclaimer .dc-tx{font-size:12px;line-height:1.9;text-align:left;}
}