:root{--red:#DE0303;--red-dark:#A30000;--red-light:#FFF1F1;--ink:#1F2329;--gray:#646A73;--gray-light:#9A9A9A;--line:#EAEAEA;--bg:#F5F5F5;}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;color:var(--ink);background:var(--bg);font-size:14px;line-height:1.6}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.wrap{width:80%;max-width:1600px;margin:0 auto}
/* ===== 内页红底头部 ===== */
.header-red{background:linear-gradient(90deg,var(--red-dark),var(--red));color:#fff;position:relative;z-index:50;box-shadow:0 2px 10px rgba(0,0,0,.12)}
.header-red-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px;padding:0 10%}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;cursor:pointer}
.brand img{height:42px;width:auto}
.brand b{font-size:24px;color:#fff;letter-spacing:2px}
.header-red .nav{display:flex;gap:2px;flex:1;justify-content:center}
.header-red .nav a{padding:8px 14px;font-size:15px;color:rgba(255,255,255,.92);border-radius:6px;cursor:pointer;transition:color .2s,background .2s;white-space:nowrap}
.header-red .nav a:hover,.header-red .nav a.on{color:#fff;background:rgba(255,255,255,.16)}
.header-red .nav a.on{font-weight:600}
.hero-user{display:flex;align-items:center;gap:10px;flex-shrink:0}
.hero-user a{color:#fff;font-size:14px;padding:6px 16px;border:1px solid rgba(255,255,255,.6);border-radius:18px;cursor:pointer;transition:background .2s;white-space:nowrap}
.hero-user a.reg{background:#fff;color:var(--red);border-color:#fff;font-weight:600}
.burger{display:none;background:none;border:1px solid rgba(255,255,255,.6);border-radius:6px;padding:8px 10px;color:#fff;font-size:16px;cursor:pointer}
/* ===== 面包屑 ===== */
.crumb{font-size:13px;color:var(--gray);padding:14px 0 4px}
.crumb a:hover{color:var(--red)}
.crumb b{color:var(--ink);font-weight:500}
/* ===== 文章详情 ===== */
.detail{display:flex;gap:20px;align-items:flex-start}
.detail-main{flex:1;min-width:0;background:#fff;border-radius:8px;padding:28px 32px;box-shadow:0 1px 6px rgba(0,0,0,.06)}
.article-title{font-size:22px;line-height:1.5;font-weight:700}
.article-meta{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:13px;color:var(--gray);padding-bottom:14px;border-bottom:1px solid var(--line);margin:12px 0 20px}
.article-body{font-size:15px;line-height:2;color:#333}
.article-body p{margin-bottom:14px}
.article-body img{max-width:100%;border-radius:6px;margin:8px 0}
.article-body h4{font-size:16px;margin:18px 0 8px;color:var(--ink)}
.article-body a{color:var(--red)}
.article-body ul,.article-body ol{margin:0 0 14px 22px}
.article-body li{margin-bottom:6px}
.article-nav{display:flex;justify-content:space-between;gap:12px;margin-top:24px;padding-top:16px;border-top:1px solid var(--line);font-size:13px}
.article-nav a{color:var(--red);cursor:pointer;white-space:nowrap}
.article-nav a:hover{color:var(--red-dark)}
/* ===== 侧栏 ===== */
.detail-side{width:320px;flex:none}
.detail-side .box{background:#fff;border-radius:8px;padding:20px;box-shadow:0 1px 6px rgba(0,0,0,.06)}
.detail-side h3{font-size:16px;margin-bottom:12px;border-left:4px solid var(--red);padding-left:10px}
.news-list li{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:13px}
.news-list li:last-child{border-bottom:none}
.news-list .t{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer;color:var(--ink)}
.news-list .t:hover{color:var(--red)}
.news-list .m{flex:none;font-size:11px;color:var(--gray-light)}
/* ===== 底部 ===== */
.footer{margin-top:34px;background:#2B2B2B;color:#B5B5B5}
.footer-main{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;padding:36px 0 24px}
.fbrand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.fbrand img{height:34px}
.fbrand b{font-size:20px;color:#fff}
.footer p{font-size:13px;line-height:2}
.footer h4{color:#fff;font-size:15px;margin-bottom:10px}
.footer h4 a{display:block;font-size:13px;color:#B5B5B5;font-weight:400;margin-bottom:6px;cursor:pointer}
.footer h4 a:hover{color:#fff}
.fcols{display:grid;grid-template-columns:1fr 1fr;column-gap:24px}
.footer-bottom{border-top:1px solid #3D3D3D;padding:14px 0;text-align:center;font-size:12px;color:#8A8A8A}
.footer-bottom a{margin:0 8px;cursor:pointer;color:#8A8A8A}
.footer-bottom a:hover{color:#fff}
@media (max-width:1024px){
  .wrap{width:92%}
  .header-red .nav{display:none;position:absolute;top:72px;left:0;right:0;background:rgba(122,0,0,.97);flex-direction:column;padding:8px 16px 16px;z-index:40}
  .header-red .nav.open{display:flex}
  .header-red .burger{display:block}
  .detail{flex-direction:column}
  .detail-side{width:100%}
}
@media (max-width:768px){
  .wrap{width:94%}
  .detail-main{padding:18px}
  .article-title{font-size:19px}
  .footer-main{grid-template-columns:1fr;gap:20px}
}

/* 右侧推荐栏（复用列表页侧栏组件） */
.detail-side .col-side{width:100%;position:sticky;top:16px;align-self:flex-start}
.detail-side .side-box{background:#fff;border-radius:8px;padding:20px;box-shadow:0 1px 6px rgba(0,0,0,.06);margin-bottom:16px}
.detail-side .side-box h3{font-size:16px;margin-bottom:12px;border-left:4px solid var(--red);padding-left:10px;line-height:1.2}
.side-house{display:flex;gap:10px;padding:9px 0;border-bottom:1px dashed var(--line);text-decoration:none}
.side-house:last-of-type{border-bottom:none}
.sh-pic{width:88px;height:64px;border-radius:6px;overflow:hidden;flex-shrink:0;background:#f4f4f4;display:flex;align-items:center;justify-content:center}
.sh-pic img{width:100%;height:100%;object-fit:cover}
.sh-empty,.sh-pic .sh-empty{font-size:11px;color:#b9bfc7}
.sh-info{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:center;gap:4px}
.sh-info b{font-size:13px;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sh-info span{font-size:11px;color:var(--gray);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sh-info i{font-size:13px;color:var(--red);font-style:normal}
.side-agent{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px dashed var(--line)}
.side-agent:last-of-type{border-bottom:none}
.sa-logo{width:40px;height:40px;border-radius:50%;background:var(--red-light);color:var(--red);display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:600;overflow:hidden;flex-shrink:0}
.sa-logo img{width:100%;height:100%;object-fit:cover}
.sa-info{flex:1;min-width:0}
.sa-info b{display:block;font-size:13px;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sa-info a{font-size:12px;color:var(--red)}
.side-empty{color:var(--gray);font-size:12px;text-align:center;padding:16px 0}
@media (max-width:900px){
  .detail-side .col-side{position:static}
}