/* c7娱乐 V3-A 权威媒体型 */
:root{
  --primary:#1a5fb4;--secondary:#0d3b80;--accent:#c64600;
  --bg:#ffffff;--card-bg:#f7f9fc;--text:#1a1a1a;--text-muted:#666;--border:#e5e7eb;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC",-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;font-display:swap;color:var(--text);background:var(--bg);line-height:1.7;font-size:15px}
h1,h2,h3,h4{font-family:"Noto Serif SC","Source Han Serif SC",Georgia,serif;color:var(--secondary);line-height:1.3;font-weight:700}
h1{font-size:28px;margin:.6em 0}
h2{font-size:22px;margin:1em 0 .5em;border-left:4px solid var(--accent);padding-left:10px}
h3{font-size:18px;margin:1em 0 .5em}
p{margin:.6em 0}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--accent);text-decoration:underline}
img{max-width:100%;height:auto;display:block}

/* 阅读进度条 */
.nm-progress{position:fixed;top:0;left:0;height:2px;width:0;background:var(--accent);z-index:9999;transition:width .1s}

/* 滚动新闻条 */
.nm-ticker{background:#c0392b;color:#fff;overflow:hidden;white-space:nowrap;position:sticky;top:2px;z-index:900;font-size:13px;padding:6px 0}
.nm-ticker-inner{display:inline-block;padding-left:100%;animation:nm-scroll 60s linear infinite}
.nm-ticker:hover .nm-ticker-inner{animation-play-state:paused}
.nm-ticker span{padding:0 28px;color:#fff}
@keyframes nm-scroll{0%{transform:translateX(0)}100%{transform:translateX(-100%)}}

/* 顶部导航 */
.nm-header{background:var(--secondary);color:#fff;padding:14px 0;border-bottom:3px solid var(--accent)}
.nm-header .nm-wrap{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}
.nm-logo{font-family:"Noto Serif SC",serif;font-size:24px;font-weight:700;color:#fff}
.nm-logo span{color:#f5a623}
.nm-nav a{color:#fff;margin-left:20px;font-size:14px}
.nm-search input{padding:6px 10px;border:none;border-radius:3px;font-size:13px;width:180px}

.nm-wrap{max-width:1024px;margin:0 auto;padding:0 14px}

/* 三栏布局 */
.nm-layout{display:grid;grid-template-columns:200px 1fr 220px;gap:20px;margin:20px auto;max-width:1024px;padding:0 14px}
.nm-sidebar-left,.nm-sidebar-right{background:var(--card-bg);padding:14px;border:1px solid var(--border);border-radius:4px;align-self:start;position:sticky;top:60px}
.nm-main{min-width:0}

/* 分类导航树 */
.nm-cattree h4{font-family:"Noto Serif SC",serif;color:var(--accent);font-size:14px;margin:0 0 8px;border-bottom:1px solid var(--border);padding-bottom:6px}
.nm-cattree ul{list-style:none}
.nm-cattree>ul>li{margin:6px 0}
.nm-cattree>ul>li>a{font-weight:600;color:var(--secondary);font-size:14px;cursor:pointer}
.nm-cattree ul ul{padding-left:14px;display:none;font-size:13px}
.nm-cattree li.open>ul{display:block}
.nm-cattree ul ul li{padding:3px 0}

/* 编辑推荐栏 */
.nm-editor h4{font-family:"Noto Serif SC",serif;color:var(--accent);font-size:14px;margin:0 0 10px;border-bottom:1px solid var(--border);padding-bottom:6px}
.nm-editor-item{display:flex;gap:10px;margin-bottom:14px;padding-bottom:12px;border-bottom:1px dashed var(--border)}
.nm-editor-item:last-child{border-bottom:none}
.nm-avatar{width:36px;height:36px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;flex-shrink:0;font-weight:600}
.nm-editor-item .nm-meta{font-size:11px;color:var(--text-muted);margin-top:4px}
.nm-editor-item a{font-size:13px;line-height:1.4;display:block;color:var(--text)}

/* Hero */
.nm-hero{background:var(--card-bg);padding:18px;border-radius:4px;border-left:5px solid var(--accent);margin-bottom:18px}
.nm-hero img{border-radius:3px;margin:10px 0}
.nm-hero .nm-tag{display:inline-block;background:var(--accent);color:#fff;padding:2px 8px;font-size:12px;border-radius:2px;margin-bottom:6px}

/* 新闻流 */
.nm-feed article{padding:16px 0;border-bottom:1px solid var(--border);display:grid;grid-template-columns:140px 1fr;gap:14px}
.nm-feed article:last-child{border-bottom:none}
.nm-feed h3{margin:0 0 6px;font-size:17px}
.nm-feed .nm-meta{font-size:12px;color:var(--text-muted);margin-bottom:6px}
.nm-feed .nm-meta span{margin-right:10px}
.nm-feed p{font-size:14px;color:#333;margin:0}
.nm-feed img{border-radius:3px;width:140px;height:90px;object-fit:cover}

/* 热点榜 */
.nm-rank{margin-top:18px}
.nm-rank h4{font-family:"Noto Serif SC",serif;color:var(--accent);font-size:14px;margin:0 0 10px;border-bottom:1px solid var(--border);padding-bottom:6px}
.nm-rank ol{list-style:none;counter-reset:r}
.nm-rank ol li{counter-increment:r;padding:7px 0;border-bottom:1px dashed var(--border);font-size:13px;display:flex;gap:8px}
.nm-rank ol li:before{content:counter(r);background:var(--primary);color:#fff;width:18px;height:18px;display:flex;align-items:center;justify-content:center;font-size:11px;border-radius:2px;flex-shrink:0;margin-top:2px}
.nm-rank ol li:nth-child(-n+3):before{background:var(--accent)}

/* 时间轴热点浮窗 */
.nm-timeline{position:fixed;right:14px;bottom:14px;width:200px;background:#fff;border:1px solid var(--border);border-radius:4px;padding:10px;font-size:11px;box-shadow:0 4px 12px rgba(0,0,0,.08);z-index:800;transition:transform .3s}
.nm-timeline.hidden{transform:translateX(220px)}
.nm-timeline h5{font-family:"Noto Serif SC",serif;color:var(--accent);font-size:12px;margin-bottom:6px;display:flex;justify-content:space-between}
.nm-timeline h5 button{background:none;border:none;cursor:pointer;color:var(--text-muted);font-size:14px}
.nm-timeline .nm-bar{display:flex;align-items:flex-end;height:40px;gap:2px;margin-top:4px}
.nm-timeline .nm-bar div{flex:1;background:var(--primary);min-height:3px;border-radius:1px 1px 0 0}
.nm-timeline .nm-bar div:nth-child(8),.nm-timeline .nm-bar div:nth-child(20){background:var(--accent)}

/* SEO 文案区 */
.nm-seo{background:var(--card-bg);padding:20px;margin:20px 0;border-radius:4px;border-top:3px solid var(--primary)}
.nm-seo h2{border-left:none;padding-left:0;text-align:center}

/* 页脚 */
.nm-footer{background:var(--secondary);color:#bdc6d6;padding:30px 0 16px;margin-top:30px;font-size:13px}
.nm-footer .nm-wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.nm-footer h5{color:#fff;margin-bottom:10px;font-family:"Noto Serif SC",serif;font-size:14px}
.nm-footer a{color:#bdc6d6;display:block;padding:3px 0;font-size:12px}
.nm-footer a:hover{color:#fff}
.nm-copyright{text-align:center;border-top:1px solid #1f4a8a;padding-top:14px;margin-top:20px;max-width:1024px;margin-left:auto;margin-right:auto;color:#8fa1bd;font-size:12px}

/* 文章详情 */
.nm-article-head{padding:14px 0 18px;border-bottom:2px solid var(--border)}
.nm-article-head h1{color:var(--secondary)}
.nm-article-head .nm-meta{color:var(--text-muted);font-size:13px;margin-top:8px}
.nm-article-body{padding:18px 0}
.nm-article-body img{margin:14px 0;border-radius:3px}
.nm-related{background:var(--card-bg);padding:14px;margin-top:20px;border-left:3px solid var(--accent)}
.nm-related h3{margin-top:0}
.nm-related ul{list-style:disc;padding-left:20px}
.nm-related li{padding:4px 0;font-size:14px}

/* Breadcrumb */
.nm-bread{font-size:12px;color:var(--text-muted);padding:10px 0}
.nm-bread a{color:var(--text-muted)}
.nm-bread a:hover{color:var(--accent)}

/* 响应式 */
@media (max-width:1024px){
  .nm-layout{grid-template-columns:1fr;padding:0 14px}
  .nm-sidebar-left,.nm-sidebar-right{position:static}
  .nm-footer .nm-wrap{grid-template-columns:repeat(2,1fr)}
  .nm-timeline{display:none}
}
@media (max-width:768px){
  .nm-feed article{grid-template-columns:1fr}
  .nm-feed img{width:100%;height:180px}
  .nm-header .nm-wrap{flex-direction:column;align-items:flex-start}
  .nm-nav a{margin:0 14px 0 0}
  .nm-search input{width:100%}
  .nm-footer .nm-wrap{grid-template-columns:1fr}
}