/* ============ 基础：浅色版式 + 顶部科技蓝 ============ */
:root{
  --primary:#0d8bf2;        /* 科技蓝（顶部导航） */
  --primary-dark:#0a6fc2;
  --primary-light:#4dabf7;
  --accent:#e8480c;         /* 焦点强调色（凤凰红橙） */
  --link:#1763c4;
  --link-hover:#0d8bf2;
  --text:#1a2230;           /* 深色正文 */
  --text-muted:#6b7785;
  --line:#e6e9ef;           /* 浅灰描边 */
  --bg:#ffffff;             /* 白色背景 */
  --bg-card:#ffffff;        /* 白卡片 */
  --bg-card-hover:#f6f9fe;
  --bg-shade:#f7f9fc;
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Helvetica,Arial,sans-serif;
  color:var(--text);background:var(--bg);font-size:14px;line-height:1.7;overflow-x:hidden;
}
a{color:var(--link);text-decoration:none;}
a:hover{color:var(--link-hover);}
.container{width:var(--maxw);max-width:96%;margin:0 auto;}
img{max-width:100%;}

/* ============ 顶部条（深蓝） ============ */
.topbar{background:#0a1628;color:#cfe3f8;font-size:12px;}
.topbar-inner{display:flex;justify-content:space-between;height:34px;align-items:center;}
.topbar-right a{color:#cfe3f8;margin-left:14px;}
.topbar-right a:hover{color:#fff;}

/* ============ 站点头（凤凰网式：白底 + 大logo + 站名/slogan） ============ */
.site-header{background:#ffffff;border-bottom:3px solid var(--primary);}
.site-header-inner{display:flex;align-items:center;justify-content:space-between;padding:18px 0;gap:20px;}

/* Logo 品牌区 */
.logo-brand{display:flex;align-items:center;gap:14px;text-decoration:none;}
.logo-icon{height:72px;width:auto;display:block;}
.brand-text{display:flex;flex-direction:column;justify-content:center;}
.brand-name{font-size:38px;font-weight:800;color:#111;line-height:1.1;letter-spacing:1px;}
.brand-slogan{font-size:13px;color:#888;line-height:1.4;margin-top:6px;letter-spacing:.5px;}

/* 头部右侧 */
.header-right{display:flex;flex-direction:column;align-items:flex-end;gap:10px;}
.header-mini-links{font-size:12px;color:#999;}
.header-mini-links a{color:#666;margin-left:14px;}
.header-mini-links a:hover{color:var(--primary);}
.search-box{display:flex;border:2px solid var(--primary);border-radius:2px;overflow:hidden;height:38px;background:#fff;}
.search-box input{border:none;outline:none;padding:0 14px;width:260px;font-size:14px;background:#fff;color:var(--text);}
.search-box input::placeholder{color:#9aa6b2;}
.search-box button{background:var(--primary);color:#fff;border:none;padding:0 22px;cursor:pointer;font-size:14px;font-weight:600;}
.search-box button:hover{background:var(--primary-dark);}

/* ============ 导航栏（科技蓝） ============ */
.navbar{background:var(--primary);box-shadow:0 2px 8px rgba(13,139,242,.25);}
.navbar-inner{display:flex;flex-wrap:wrap;}
.nav-link{display:block;color:#fff;padding:0 22px;height:44px;line-height:44px;font-size:16px;font-weight:600;position:relative;}
.nav-link:hover{background:rgba(255,255,255,.14);color:#fff;}
.nav-link.active{color:#fff;background:rgba(0,0,0,.14);}
.nav-link.active::after{content:"";position:absolute;bottom:0;left:15%;right:15%;height:3px;background:#fff;border-radius:2px;}

/* ============ 主区 ============ */
.main{padding:0 0 30px;background:var(--bg);min-height:60vh;}
.site-footer{background:#f4f6f9;color:var(--text-muted);padding:24px 0;font-size:12px;text-align:center;margin-top:30px;border-top:1px solid var(--line);}
.site-footer a{color:var(--text-muted);}
.site-footer a:hover{color:var(--primary);}
.footer-links a{margin:0 8px;}

/* ============ 顶部 Banner（通栏，凤凰比例：窄横幅） ============ */
.top-banner{display:block;width:100vw;position:relative;left:50%;margin-left:-50vw;margin-right:-50vw;margin-top:0;margin-bottom:0;padding:0;background:#0a2540 url(/static/img/banner.jpg) center center/100% 100% no-repeat;height:120px;line-height:0;overflow:hidden;}
.top-banner a{display:block;width:100%;height:100%;line-height:0;}
.top-banner img{display:none;}
.top-banner-default{background:linear-gradient(90deg,#0a2540,#0d3560,#0a2540);color:#cfe3f8;text-align:center;}
.top-banner-default span{display:block;height:120px;line-height:120px;font-size:16px;letter-spacing:2px;}
/* 移动端通栏 banner：换用 750×300 横向 cover 图 + 高度按 5:2 自适应（避免 desktop 1132×120 在手机 cover 模式被裁成一条线） */
@media (max-width:900px){
  .top-banner{background-image:url(/static/img/banner-mobile.jpg?v=20260902c);height:auto;aspect-ratio:5/1;}
}

/* ============ 焦点区：轮播 + 右侧要闻/热点 ============ */
.featured{display:flex;gap:20px;padding:22px 0 18px;border-bottom:1px solid var(--line);}
.featured-main{flex:1.65;min-width:0;}
.featured-side{flex:1;min-width:0;display:flex;flex-direction:column;}

/* 轮播 */
.focus-carousel{position:relative;border-radius:4px;overflow:hidden;background:#000;box-shadow:0 4px 18px rgba(20,40,80,.22);border:1px solid var(--line);}
.carousel-track{position:relative;height:420px;background:#0d1117;}
.carousel-item{position:absolute;inset:0;opacity:0;transition:opacity .5s ease;z-index:1;}
.carousel-item.active{opacity:1;z-index:2;}
.carousel-item a{display:block;height:100%;position:relative;}
.carousel-item img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;background:#0d1117;}
.carousel-item:hover img{transform:scale(1.03);}
.carousel-caption{position:absolute;left:0;right:0;bottom:0;padding:18px 22px;background:linear-gradient(transparent,rgba(8,16,30,.9));}
.carousel-caption .caption-tag{display:inline-block;background:var(--accent);color:#fff;font-size:12px;font-weight:700;padding:2px 8px;border-radius:2px;margin-bottom:8px;}
.carousel-caption h2{color:#fff;font-size:24px;font-weight:700;line-height:1.4;text-shadow:0 1px 4px rgba(0,0,0,.7);}
.carousel-btn{position:absolute;top:50%;transform:translateY(-50%);z-index:10;width:42px;height:70px;background:rgba(8,16,30,.4);color:#fff;border:none;font-size:34px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s;}
.carousel-btn:hover{background:rgba(13,139,242,.8);}
.carousel-prev{left:0;border-radius:0 4px 4px 0;}
.carousel-next{right:0;border-radius:4px 0 0 4px;}
.carousel-dots{position:absolute;bottom:12px;right:18px;z-index:10;display:flex;gap:8px;}
.carousel-dots span{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.4);cursor:pointer;}
.carousel-dots span.active{background:#fff;}

/* 右侧上方：热点文字链 */
.side-top-links{margin-bottom:14px;background:var(--bg-card);border:1px solid var(--line);border-radius:4px;}
.hot-links{list-style:none;padding:6px 14px 10px;}
.hot-links li{border-bottom:1px dashed var(--line);}
.hot-links li:last-child{border-bottom:none;}
.hot-links li a{display:flex;gap:10px;align-items:flex-start;padding:10px 0;color:#222;font-size:15px;line-height:1.5;}
.hot-links li a:hover{color:var(--primary);}
.hot-links .num{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;background:#e8eef6;color:var(--text-muted);font-size:12px;border-radius:2px;flex-shrink:0;margin-top:2px;font-weight:700;}
.hot-links li:nth-child(-n+3) .num{background:var(--accent);color:#fff;}
.hot-links .txt{flex:1;}

/* 要闻侧栏 */
.side-tabs{display:flex;border-bottom:2px solid var(--primary);margin-bottom:12px;}
.side-tabs .tab{padding:8px 18px;font-size:16px;font-weight:700;color:var(--text-muted);cursor:pointer;}
.side-tabs .tab.active{color:#fff;background:var(--primary);border:2px solid var(--primary);border-bottom:none;margin-bottom:-2px;border-radius:4px 4px 0 0;}
.headline-list{list-style:none;background:var(--bg-card);padding:10px 14px;border:1px solid var(--line);border-radius:0 0 4px 4px;flex:1;}
.headline-list li{border-bottom:1px dashed var(--line);}
.headline-list li:last-child{border-bottom:none;}
.headline-list li a{display:flex;gap:10px;align-items:flex-start;padding:10px 0;color:#222;font-size:15px;line-height:1.45;}
.headline-list li a:hover{color:var(--primary);}
.headline-list .num{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;background:#e8eef6;color:var(--text-muted);font-size:12px;border-radius:2px;flex-shrink:0;margin-top:2px;}
.headline-list li.top .num{background:var(--accent);color:#fff;}
.headline-list .txt{flex:1;}

/* ============ 焦点图下方：科技热榜信息流 ============ */
.tech-hot-section{margin-top:18px;background:var(--bg-card);border:1px solid var(--line);border-radius:4px;padding:14px 16px 16px;box-shadow:0 1px 4px rgba(0,0,0,.03);}
.tech-hot-head{display:flex;justify-content:space-between;align-items:center;border-bottom:2px solid var(--accent);margin-bottom:14px;padding-bottom:8px;}
.tech-hot-head h3{font-size:18px;color:var(--text);font-weight:800;}
.tech-hot-head .more{font-size:12px;color:var(--text-muted);}
.tech-hot-head .more:hover{color:var(--primary);}
.tech-hot-list{list-style:none;}
.tech-hot-item{display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed var(--line);}
.tech-hot-item:last-child{border-bottom:none;padding-bottom:0;}
.tech-hot-img{width:120px;height:80px;flex-shrink:0;overflow:hidden;border-radius:3px;border:1px solid var(--line);}
.tech-hot-img img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.tech-hot-item:hover .tech-hot-img img{transform:scale(1.05);}
.tech-hot-info{flex:1;min-width:0;display:flex;flex-direction:column;}
.tech-hot-topic{display:block;font-size:16px;font-weight:700;color:var(--text);line-height:1.45;margin-bottom:6px;max-width:100%;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.tech-hot-topic:hover{color:var(--accent);}
.tech-hot-topic::before{content:"#";color:var(--accent);margin-right:4px;font-weight:800;}
.tech-hot-summary{color:var(--text-muted);font-size:13px;line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:auto;max-width:100%;min-width:0;}
.tech-hot-meta{display:flex;gap:12px;color:#9aa6b2;font-size:12px;margin-top:6px;flex-shrink:0;flex-wrap:nowrap;justify-content:space-between;align-items:center;max-width:100%;}
.tech-hot-meta > span{flex-shrink:0;white-space:nowrap;}
.tech-hot-topic{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;word-break:break-all;}

/* ============ 科技热榜 ============ */
.hot-rank-section{padding:18px 16px;border:1px solid var(--line);border-radius:4px;margin-bottom:24px;background:var(--bg-card);box-shadow:0 1px 4px rgba(0,0,0,.03);}
.section-head{border-left:4px solid var(--accent);padding-left:12px;margin-bottom:14px;}
.section-head h3{font-size:20px;color:var(--text);}
.section-head .rank-icon{color:var(--accent);margin-right:4px;}
.hot-rank{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:12px 20px;counter-reset:rank;}
.hot-rank li{display:flex;justify-content:space-between;align-items:center;padding:9px 4px;border-bottom:1px dashed var(--line);min-width:0;}
.hot-rank li::before{content:counter(rank);counter-increment:rank;display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;background:#e8eef6;color:var(--text-muted);font-size:12px;border-radius:2px;margin-right:10px;flex-shrink:0;font-weight:700;}
.hot-rank li:nth-child(-n+3)::before{background:var(--accent);color:#fff;}
.hot-rank a{display:block;flex:1;min-width:0;color:#222;font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.hot-rank a:hover{color:var(--primary);}
.hot-meta{
    flex-shrink:0;
    margin-left:8px;
    padding:2px 9px;
    background:#f5f7fa;
    border:1px solid var(--line);
    border-radius:10px;
    color:#5a6678;
    font-size:12px;
    font-weight:600;
    white-space:nowrap;
    line-height:1.5;
}

/* ============ 最新 Tab 列表 ============ */
.latest-section{background:var(--bg-card);border:1px solid var(--line);border-radius:4px;padding:0 18px 16px;margin-bottom:24px;box-shadow:0 1px 4px rgba(0,0,0,.03);}
.latest-tabs{display:flex;border-bottom:2px solid var(--primary);margin:0 -18px 16px;padding:0 18px;}
.latest-tabs a{display:block;padding:12px 22px;font-size:16px;font-weight:700;color:var(--text-muted);position:relative;}
.latest-tabs a:hover{color:var(--primary);}
.latest-tabs a.active{color:#fff;background:var(--primary);border-radius:4px 4px 0 0;}
.latest-list{list-style:none;}
.latest-list li{display:flex;gap:16px;padding:16px 0;border-bottom:1px dashed var(--line);}
.latest-list li:last-child{border-bottom:none;}
.latest-img{width:180px;height:120px;flex-shrink:0;overflow:hidden;border-radius:3px;border:1px solid var(--line);}
.latest-img img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.latest-list li:hover .latest-img img{transform:scale(1.04);}
.latest-info{flex:1;min-width:0;display:flex;flex-direction:column;}
.latest-title{display:block;font-size:17px;font-weight:700;color:var(--text);line-height:1.45;margin-bottom:8px;}
.latest-title:hover{color:var(--primary);}
.latest-summary{color:var(--text-muted);font-size:13px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:auto;}
.latest-meta{display:flex;gap:14px;color:#9aa6b2;font-size:12px;margin-top:8px;}
.latest-channel{color:var(--primary);font-weight:600;}

/* ============ 频道矩阵（两栏） ============ */
.channel-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px 28px;}
.channel-block{margin-bottom:0;background:var(--bg-card);border:1px solid var(--line);border-radius:4px;padding:14px 16px;transition:box-shadow .2s;box-shadow:0 1px 4px rgba(0,0,0,.03);}
.channel-block:hover{box-shadow:0 4px 16px rgba(13,139,242,.12);}
.block-head{display:flex;justify-content:space-between;align-items:flex-end;border-bottom:1px solid var(--primary);margin-bottom:12px;padding-bottom:8px;}
.block-head h3{font-size:18px;}
.block-head h3 a{color:var(--text);}
.block-head h3 a:hover{color:var(--primary);}
.more{font-size:12px;color:var(--text-muted);}
.more:hover{color:var(--primary);}
.block-body{background:transparent;}
.block-top{display:flex;gap:14px;margin-bottom:12px;}
.block-top-img{width:140px;height:90px;flex-shrink:0;overflow:hidden;border-radius:3px;border:1px solid var(--line);}
.block-top-img img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.block-top-img:hover img{transform:scale(1.05);}
.block-top-info{flex:1;min-width:0;}
.block-top-title{display:block;font-size:16px;font-weight:700;color:var(--text);line-height:1.4;margin-bottom:6px;}
.block-top-title:hover{color:var(--primary);}
.block-top-summary{color:var(--text-muted);font-size:13px;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* ============ 封面占位色块（无图时使用，按频道配色） ============ */
.cover-ph{
  width:100%;height:100%;display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:32px;font-weight:800;letter-spacing:2px;
  background:linear-gradient(135deg,#3a7bd5,#0d8bf2);
}
.cover-ph span{text-shadow:0 2px 6px rgba(0,0,0,.3);opacity:.92;}
.ch-keji{background:linear-gradient(135deg,#0d8bf2,#1763c4);}
.ch-caijing{background:linear-gradient(135deg,#e8770c,#c4161c);}
.ch-shehui{background:linear-gradient(135deg,#2fa98c,#1c7d63);}
.ch-guoji{background:linear-gradient(135deg,#7b5cf0,#4a2fb8);}
.ch-junshi{background:linear-gradient(135deg,#4a5a6a,#27313d);}
.ch-tiyu{background:linear-gradient(135deg,#16a34a,#0e7a36);}
.ch-yule{background:linear-gradient(135deg,#e84d8a,#b3164f);}
.ch-qiche{background:linear-gradient(135deg,#0ea5b7,#0a7a87);}
.ch-wenhua{background:linear-gradient(135deg,#d4a017,#a87c0c);}

/* ============ 新闻列表 ============ */
.news-list{list-style:none;}
.news-list li{padding:8px 0;border-bottom:1px dashed var(--line);display:flex;justify-content:space-between;gap:14px;align-items:baseline;}
.news-title{color:#222;font-size:14px;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.news-title:hover{color:var(--primary);}
.news-meta{color:var(--text-muted);font-size:12px;white-space:nowrap;}
.news-sub{color:var(--text-muted);font-size:13px;margin:4px 0;width:100%;}
.list-lg li{flex-wrap:wrap;padding:12px 0;}
.list-lg .news-title{white-space:normal;font-size:17px;}

/* ============ 面包屑 / 频道页 ============ */
.crumb{font-size:13px;color:var(--text-muted);padding:10px 0;margin-bottom:8px;}
.crumb a{color:var(--link);}
.crumb .desc{margin-left:10px;color:#9aa6b2;font-style:normal;}
.channel-layout{display:flex;gap:28px;}
.channel-main{flex:1;min-width:0;}
.channel-side{width:300px;flex-shrink:0;}
.pager{margin:18px 0;text-align:center;font-size:13px;color:var(--text-muted);}
.pager a{display:inline-block;padding:5px 12px;border:1px solid var(--line);margin:0 4px;color:var(--link);}
.pager a:hover{background:var(--primary);color:#fff;border-color:var(--primary);}

/* ============ 文章页 ============ */
.article-side{width:320px;flex-shrink:0;}
.article{max-width:760px;}
.article-title{font-size:30px;line-height:1.35;color:var(--text);margin:8px 0 14px;font-weight:800;}
.article-meta{display:flex;flex-wrap:wrap;gap:16px;color:var(--text-muted);font-size:13px;padding:10px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:16px;}
.article-meta a{color:var(--text-muted);}
.badge{display:inline-block;padding:1px 8px;border-radius:3px;font-size:12px;color:#fff;}
.badge.original{background:#1a8a3c;}
.badge.reprint{background:#d98a00;}
.article-cover{width:100%;margin:6px 0 16px;border-radius:3px;}
.article-content{font-size:16px;line-height:1.9;color:#2a3340;}
.article-content img{max-width:100%;height:auto;margin:10px 0;}
.article-content p{margin:12px 0;}
.reprint-note{margin-top:24px;padding:12px;background:#f1f6fd;border-left:3px solid var(--primary);font-size:13px;color:var(--text-muted);}

/* ============ 空 / 错误 ============ */
.empty{color:var(--text-muted);padding:30px 0;text-align:center;}
.empty-page{text-align:center;padding:60px 0;}
.empty-page h1{font-size:64px;color:var(--primary);}
.btn{display:inline-block;background:var(--primary);color:#fff;padding:8px 22px;border-radius:3px;margin-top:10px;}
.btn:hover{background:var(--primary-dark);color:#fff;}

/* ============ 后台 ============ */
.admin-wrap{max-width:1100px;margin:0 auto;padding:20px;}
.admin-login{max-width:380px;margin:80px auto;background:var(--bg-card);padding:30px;border:1px solid var(--line);border-radius:4px;}
.admin-login h2{margin-bottom:18px;color:var(--primary);}
.admin-bar{background:#0a1628;color:#fff;padding:12px 0;margin-bottom:18px;}
.admin-bar .container{display:flex;justify-content:space-between;align-items:center;}
.admin-bar a{color:#cfe3f8;margin-left:14px;}
.admin-bar a:hover{color:#fff;}
.admin-title{font-size:20px;margin-bottom:16px;color:var(--text);}
.form-group{margin-bottom:14px;}
.form-group label{display:block;margin-bottom:5px;font-weight:600;color:var(--text);}
.form-group input[type=text],
.form-group input[type=password],
.form-group input[type=email],
.form-group input[type=url],
.form-group input[type=number],
.form-group input[type=tel],
.form-group input[type=search],
.form-group input:not([type]),
.form-group textarea,
.form-group select{
  width:100%;padding:8px 10px;border:1px solid #cdd6e2;border-radius:3px;font-size:14px;font-family:inherit;background:#fff;color:var(--text);
}
.form-group input[type=checkbox],
.form-group input[type=radio]{
  width:auto;padding:0;border:0;background:transparent;cursor:pointer;
}
/* 「标记为原创」之类的内嵌 checkbox label：display:flex 但内容必须包在 <span> 中，
   否则中文字符会被 flex 拆成 min-content 宽度（一字一行竖排）。 */
.checkbox-label{display:flex;align-items:flex-start;gap:8px;cursor:pointer;font-weight:normal;line-height:1.5;}
.checkbox-label>input{flex:0 0 auto;margin-top:3px;}
.checkbox-label>span{flex:1 1 auto;min-width:0;}
.form-group textarea{min-height:300px;line-height:1.7;}
.btn-primary{background:var(--primary);color:#fff;border:none;padding:9px 22px;border-radius:3px;cursor:pointer;font-size:15px;}
.btn-primary:hover{background:var(--primary-dark);}
.btn-sm{padding:4px 10px;font-size:12px;border-radius:3px;border:none;cursor:pointer;}
.btn-edit{background:#1a8a3c;color:#fff;}
.btn-del{background:#c4161c;color:#fff;}
.btn-run{background:#1763c4;color:#fff;}
table.admin-table{width:100%;border-collapse:collapse;background:var(--bg-card);font-size:13px;}
table.admin-table th,table.admin-table td{border:1px solid var(--line);padding:8px 10px;text-align:left;color:var(--text);}
table.admin-table th{background:#eef3fb;font-weight:700;}
table.admin-table tr:nth-child(even){background:#f7f9fc;}
.stat-cards{display:flex;gap:16px;margin-bottom:22px;flex-wrap:wrap;}
.stat-card{flex:1;min-width:160px;background:var(--bg-card);border:1px solid var(--line);padding:18px;text-align:center;}
.stat-card .num{font-size:28px;font-weight:800;color:var(--primary);}
.stat-card .lbl{color:var(--text-muted);font-size:13px;margin-top:4px;}
.alert{padding:10px 14px;border-radius:3px;margin-bottom:14px;font-size:14px;}
.alert-success{background:#e6f7ec;color:#1a8a3c;border:1px solid #aee3c0;}
.alert-danger{background:#fdeaea;color:#c4161c;border:1px solid #f3bcbc;}
.log-status{font-size:12px;padding:2px 8px;border-radius:3px;color:#fff;}
.log-ok{background:#1a8a3c;}
.log-failed,.log-error{background:#c4161c;}
.log-empty{background:#888;}

html,body{overflow-x:hidden;}

/* ============ 响应式 ============ */
@media (max-width:900px){
  /* 容器与全局兜底：手机端无论何种子元素溢出，绝不出现横向滚动条 */
  html,body{overflow-x:hidden;}
  body{position:relative;}
  .container{width:100%;max-width:100%;padding:0 14px;}
  /* 任意长标题/链接/段落强制换行：解决热榜/文章标题撑开 flex 父元素导致右侧空白 */
  a,p,h1,h2,h3,h4,h5,h6,li,td,th,span,.txt,.title,.caption{overflow-wrap:break-word;word-break:break-word;}
  /* flex 容器兜底：min-width:0 防止子项撑开父容器 */
  .featured,.featured-main,.featured-side,.hot-links li a,.hot-rank li,
  .latest-list li,.article,.article-body,nav,header,.navbar-inner,
  .side-top-news,.block,.block-top,.block-bottom,.site-header-inner{flex-wrap:wrap;}
  .featured,.featured-main,.featured-side,.hot-rank li,.latest-list li,.block{min-width:0;}
  img,video,canvas,svg{max-width:100%;height:auto;}
  /* 焦点轮播手机端：高度更窄 */
  .carousel-track{height:220px;}
  .focus-carousel{overflow:hidden;}
  .carousel-caption h2{font-size:16px;line-height:1.45;}
  /* banner 安全高度 */
  .featured{flex-direction:column;padding:14px;}
  .featured-main,.featured-side{width:100%;}
  .carousel-track{height:240px;}
  .carousel-caption h2{font-size:17px;}
  .side-top-news{flex-direction:row;}
  .top-news-img{height:100px;}
  .channel-grid{grid-template-columns:1fr;}
  .hot-rank{grid-template-columns:1fr;}
  /* 科技热榜手机端：标题单行 + 药丸收敛，整体不再撑变形 */
  .hot-rank{gap:10px 12px;}
  .hot-rank li{padding:7px 2px;gap:6px;border-bottom:1px dashed var(--line);}
  .hot-rank li::before{width:18px;height:18px;font-size:10px;margin-right:6px;}
  .hot-rank a{font-size:13px;line-height:1.5;}
  .hot-meta{padding:1px 6px;font-size:10px;letter-spacing:-0.3px;margin-left:4px;border-radius:7px;}
  .latest-list li{flex-direction:column;}
  /* 频道栏手机端：每个 nav-link 固定 20% 宽（5 列 × 2 排 = 10 个频道，整 2 排） */
  .navbar-inner{flex-wrap:wrap;}
  .nav-link{flex:1 1 20%;text-align:center;padding:0 4px;font-size:14px;letter-spacing:0;}
  .nav-link.active::after{left:25%;right:25%;}
  .latest-img{width:100%;height:180px;}
  .latest-tabs a{padding:10px 14px;font-size:14px;}
  .block-top{flex-direction:column;}
  .block-top-img{width:100%;height:180px;}
  .channel-layout,.article{flex-direction:column;display:block;}
  .channel-side,.article-side{width:100%;margin-top:20px;}
  .site-header-inner{flex-wrap:wrap;padding:14px 0;}
  .logo-icon{height:54px;}
  .brand-name{font-size:28px;}
  .brand-slogan{font-size:12px;}
  .header-right{width:100%;align-items:flex-start;margin-top:8px;}
  .search-box input{width:160px;}
  .top-banner img{max-height:90px;}
}

/* ===================================================================
   频道页 3 栏布局（凤凰网风）—— 2026-09-09 新增
   =================================================================== */

/* ------- 频道顶部红条 ------- */
.ch-band {
  --ch-color: #d8242a;
  background: linear-gradient(90deg, var(--ch-color) 0%, #b31a1f 100%);
  color: #fff;
  margin: 0 0 24px 0;
  padding: 22px 28px 18px 28px;
  border-radius: 4px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.ch-band::before {
  content: "";
  position: absolute; top: -40px; right: -40px;
  width: 200px; height: 200px; border-radius: 50%;
  background: rgba(255,255,255,0.08);
  pointer-events: none;
}
.ch-band-inner {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 20px; flex-wrap: wrap; position: relative; z-index: 1;
}
.ch-band-title-wrap { flex: 1; min-width: 200px; }
.ch-band-name {
  font-size: 32px; line-height: 1.1; margin: 0; font-weight: 700;
  letter-spacing: 2px; display: flex; align-items: baseline; gap: 14px;
  color: #fff;
}
.ch-band-en {
  font-size: 14px; font-weight: 400; letter-spacing: 4px;
  color: rgba(255,255,255,0.6); text-transform: uppercase;
  font-family: 'Georgia', 'Times New Roman', serif;
}
.ch-band-desc {
  margin: 8px 0 0 0; font-size: 13px; color: rgba(255,255,255,0.85);
  font-weight: 300;
}
.ch-band-nav {
  display: flex; gap: 18px; align-items: center; flex-wrap: wrap;
}
.ch-band-nav a {
  color: rgba(255,255,255,0.75); text-decoration: none;
  font-size: 14px; padding: 6px 14px; border-radius: 20px;
  transition: all 0.2s ease; border: 1px solid transparent;
}
.ch-band-nav a:hover {
  color: #fff; background: rgba(255,255,255,0.15);
}
.ch-band-nav a.active {
  background: #fff; color: var(--ch-color); font-weight: 600;
}

/* ------- 3 栏布局容器 ------- */
.ch-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) 280px 270px;
  gap: 20px;
  align-items: start;
}
.ch-main   { min-width: 0; }
.ch-mid    { min-width: 0; }
.ch-right  { min-width: 0; }

/* ------- 通用区块（标题 + 栏目条） ------- */
.ch-block {
  background: #fff; border: 1px solid #eaeaea; border-radius: 4px;
  margin-bottom: 24px; overflow: hidden;
}
.ch-block-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; border-bottom: 1px solid #f0f0f0;
  background: linear-gradient(180deg, #fafafa 0%, #fff 100%);
}
.ch-block-title {
  margin: 0; font-size: 18px; font-weight: 700; color: #222;
  display: flex; align-items: center; gap: 10px;
}
.ch-block-title .ch-bar {
  display: inline-block; width: 4px; height: 18px;
  background: var(--accent, #d8242a); border-radius: 2px;
}
.ch-block-title em {
  font-style: normal; font-size: 12px; color: #999;
  font-weight: 400; letter-spacing: 1px; margin-left: 4px;
  text-transform: uppercase;
}

/* ------- 头条大图卡 ------- */
.ch-headline {
  display: grid; grid-template-columns: 280px minmax(0, 1fr);
  gap: 0; background: #fff; border: 1px solid #eaeaea;
  border-radius: 4px; overflow: hidden; margin-bottom: 24px;
}
.ch-headline-img {
  position: relative; display: block; aspect-ratio: auto;
  min-height: 320px;
  background: #000; overflow: hidden;
}
.ch-headline-img img {
  width: 100%; height: 100%; min-height: 320px;
  object-fit: contain; display: block;
  background: #000;
  transition: transform 0.4s ease;
}
.ch-headline-img:hover img { transform: scale(1.04); }
.ch-headline-tag {
  position: absolute; top: 12px; left: 12px;
  background: var(--ch-color, #d8242a); color: #fff;
  font-size: 12px; padding: 4px 12px; border-radius: 3px;
  font-weight: 600;
}
.ch-headline-body {
  padding: 22px 24px 18px; display: flex; flex-direction: column;
  min-width: 0;
}
.ch-headline-title {
  margin: 0 0 10px 0; font-size: 18px; line-height: 1.5;
  font-weight: 700;
  /* 中文以"字 + 标点"为单位自然断行，绝不让单个汉字独占一行 */
  word-break: keep-all;
  overflow-wrap: normal;
}
.ch-headline-title a {
  color: #222; text-decoration: none;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden; text-overflow: ellipsis;
  transition: color 0.2s ease;
}
.ch-headline-title a:hover { color: var(--ch-color, #d8242a); }
.ch-headline-summary {
  margin: 0 0 14px 0; font-size: 13px; line-height: 1.7;
  color: #666;
  word-break: keep-all;
  overflow-wrap: normal;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical;
  overflow: hidden; text-overflow: ellipsis;
  min-height: 4.5em;
  flex: 1;
}
.ch-headline-meta {
  display: flex; gap: 12px; align-items: center; flex-wrap: wrap;
  font-size: 12px; color: #999; padding-top: 10px;
  border-top: 1px solid #f0f0f0;
}
.ch-headline-meta .ch-source { color: var(--ch-color, #d8242a); font-weight: 600; }
.ch-headline-meta .ch-views {
  background: #fff4ee; color: var(--ch-color, #d8242a);
  padding: 2px 8px; border-radius: 10px; font-weight: 600;
}

/* ------- 最新文字流（左侧主栏） ------- */
.ch-stream { list-style: none; padding: 8px 18px; margin: 0; }
.ch-stream-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 0; border-bottom: 1px dashed #eee;
}
.ch-stream-item:last-child { border-bottom: 0; }
.ch-stream-time {
  font-family: 'SF Mono', 'Consolas', monospace; font-size: 12px;
  color: #999; flex-shrink: 0; min-width: 120px;
}
.ch-stream-title {
  color: #333; text-decoration: none; font-size: 14px;
  flex: 1; min-width: 0;
  display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical;
  overflow: hidden; text-overflow: ellipsis;
  transition: color 0.2s;
}
.ch-stream-title:hover { color: var(--ch-color, #d8242a); }
.ch-stream-views {
  font-size: 12px; color: #aaa; flex-shrink: 0;
}

/* ------- 子栏区块（凤凰网风横排） ------- */
.ch-sub-blocks {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px;
  margin-bottom: 24px;
}
.ch-sub-blocks .ch-block { margin-bottom: 0; }
.ch-sub-list { list-style: none; padding: 8px 18px 18px; margin: 0; }
.ch-sub-item {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 10px 0; border-bottom: 1px dashed #eee;
}
.ch-sub-item:last-child { border-bottom: 0; }
.ch-sub-rank {
  display: inline-block; min-width: 20px; height: 20px; line-height: 20px;
  text-align: center; background: #f4f4f4; color: #999;
  font-size: 12px; font-weight: 700; border-radius: 3px;
  font-family: 'SF Mono', 'Consolas', monospace; flex-shrink: 0;
}
.ch-sub-link {
  color: #333; text-decoration: none; font-size: 14px; line-height: 1.5; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden; transition: color 0.2s;
}
.ch-sub-link:hover { color: var(--ch-color, #d8242a); }

/* ------- 精读 4 图卡 ------- */
.ch-curated { background: #fff; border: 1px solid #eaeaea; border-radius: 4px;
  margin-bottom: 24px; overflow: hidden; }
.ch-curated-grid {
  list-style: none; padding: 18px; margin: 0;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
}
.ch-curated-item {
  background: #fff; border-radius: 4px; overflow: hidden;
  transition: transform 0.3s ease;
}
.ch-curated-item:hover { transform: translateY(-3px); }
.ch-curated-link {
  display: block; color: #333; text-decoration: none;
}
.ch-curated-img {
  aspect-ratio: 4/3; background: #f4f4f4; overflow: hidden;
}
.ch-curated-img img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform 0.4s ease;
}
.ch-curated-link:hover .ch-curated-img img { transform: scale(1.05); }
.ch-curated-title {
  margin: 8px 0 4px 0; font-size: 13px; line-height: 1.4; font-weight: 600;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}
.ch-curated-meta {
  display: flex; gap: 8px; font-size: 11px; color: #999; margin-bottom: 8px;
}

/* ------- 分页 ------- */
.ch-pager {
  padding: 18px; text-align: center; font-size: 13px; color: #999;
  border-top: 1px solid #f0f0f0;
}
.ch-pager a {
  display: inline-block; padding: 6px 14px; margin: 0 4px;
  background: #f6f6f6; color: #555; text-decoration: none; border-radius: 3px;
  transition: all 0.2s;
}
.ch-pager a:hover { background: var(--ch-color, #d8242a); color: #fff; }

/* ------- 中列：实时快讯（时间线） ------- */
.ch-mid .ch-block, .ch-right .ch-block {
  background: #fff; border: 1px solid #eaeaea; border-radius: 4px;
  margin-bottom: 20px; overflow: hidden;
}
.ch-timeline {
  list-style: none; padding: 6px 18px 18px; margin: 0;
  position: relative;
}
.ch-timeline::before {
  content: ""; position: absolute;
  left: 60px; top: 14px; bottom: 14px; width: 2px;
  background: linear-gradient(180deg, var(--ch-color, #d8242a) 0%, #eee 100%);
}
.ch-timeline-item {
  position: relative; padding: 10px 0 10px 88px;
  border-bottom: 1px dashed #f0f0f0;
}
.ch-timeline-item:last-child { border-bottom: 0; }
.ch-timeline-meta {
  position: absolute; left: 0; top: 10px; width: 60px;
  text-align: left;
}
.ch-timeline-time {
  display: block; font-family: 'SF Mono', 'Consolas', monospace;
  font-size: 13px; color: #444; font-weight: 700;
  background: #fff4ee; padding: 2px 6px; border-radius: 3px;
  border: 1px solid #fde0d4;
}
.ch-timeline-date {
  display: block; font-size: 10px; color: #999; margin-top: 2px; padding-left: 2px;
}
.ch-timeline-dot {
  position: absolute; left: -34px; top: 14px;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--ch-color, #d8242a);
  box-shadow: 0 0 0 3px #fff, 0 0 0 4px rgba(216,36,42,0.2);
  animation: ch-pulse 1.6s infinite;
}
@keyframes ch-pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%      { transform: scale(1.4); opacity: 0.7; }
}
.ch-timeline-link {
  color: #333; text-decoration: none; font-size: 13px; line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden; transition: color 0.2s;
}
.ch-timeline-link:hover { color: var(--ch-color, #d8242a); }

/* ------- 编辑荐读 / 最新热读 ------- */
.ch-picks {
  list-style: none; padding: 8px 18px 18px; margin: 0;
}
.ch-picks-item {
  padding: 10px 0; border-bottom: 1px dashed #f0f0f0;
  display: flex; flex-direction: column; gap: 4px;
}
.ch-picks-item:last-child { border-bottom: 0; }
.ch-picks-link {
  display: flex; align-items: flex-start; gap: 10px;
  color: #333; text-decoration: none; font-size: 13px; line-height: 1.5;
}
.ch-picks-title {
  flex: 1; min-width: 0;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden; transition: color 0.2s;
}
.ch-picks-link:hover .ch-picks-title { color: var(--ch-color, #d8242a); }
.ch-pick-rank {
  display: inline-block; min-width: 20px; height: 20px; line-height: 20px;
  text-align: center; background: #f4f4f4; color: #666;
  font-size: 11px; font-weight: 700; border-radius: 3px;
  font-family: 'SF Mono', 'Consolas', monospace; flex-shrink: 0;
}
.ch-meta-sm { font-size: 11px; color: #999; padding-left: 30px; }

/* ------- 右栏：热榜 Top 10 ------- */
.ch-hot { list-style: none; padding: 8px 18px 18px; margin: 0; }
.ch-hot-item {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 12px 0; border-bottom: 1px dashed #f0f0f0;
  counter-increment: ch-hot;
}
.ch-hot-item:last-child { border-bottom: 0; }
.ch-hot-rank {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 22px; height: 22px; line-height: 22px;
  text-align: center; background: #f4f4f4; color: #999;
  font-size: 12px; font-weight: 700; border-radius: 3px;
  font-family: 'SF Mono', 'Consolas', monospace; flex-shrink: 0;
  font-style: normal;
}
.ch-hot-item:nth-child(-n+3) .ch-hot-rank {
  background: var(--ch-color, #d8242a); color: #fff;
}
.ch-hot-link {
  color: #333; text-decoration: none; font-size: 13px; line-height: 1.5; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden; transition: color 0.2s;
}
.ch-hot-link:hover { color: var(--ch-color, #d8242a); }

/* ------- 关于本频道（侧栏卡片） ------- */
.ch-info-card .ch-info-body { padding: 14px 18px 18px; }
.ch-info-body h3 {
  margin: 0 0 8px 0; font-size: 17px; color: #222;
  display: flex; align-items: baseline; gap: 8px;
}
.ch-info-body h3 em {
  font-style: normal; font-size: 12px; color: var(--ch-color, #d8242a);
  text-transform: uppercase; letter-spacing: 2px;
  font-family: 'Georgia', serif;
}
.ch-info-body p {
  margin: 0 0 12px 0; font-size: 13px; line-height: 1.7; color: #666;
}
.ch-info-more {
  display: inline-block; font-size: 12px; color: var(--ch-color, #d8242a);
  text-decoration: none; font-weight: 600;
}
.ch-info-more:hover { text-decoration: underline; }

/* ------- 响应式 ------- */
@media (max-width: 1100px) {
  .ch-layout {
    grid-template-columns: 1fr 320px;
  }
  .ch-right { grid-column: 1 / span 2; }
}
@media (max-width: 860px) {
  .ch-band-name { font-size: 24px; }
  .ch-layout {
    grid-template-columns: 1fr;
  }
  .ch-right, .ch-mid {
    grid-column: 1;
  }
  .ch-headline {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
  .ch-headline-img { aspect-ratio: 5/4; min-height: auto; }
  .ch-headline-img img { min-height: auto; }
  .ch-headline-body { padding: 16px 18px; }
  .ch-headline-title { font-size: 16px; }
  .ch-headline-title a { -webkit-line-clamp: 3; }
  .ch-headline-summary { font-size: 12px; min-height: 4em; }
  .ch-sub-blocks { grid-template-columns: 1fr; }
  .ch-curated-grid { grid-template-columns: repeat(2, 1fr); }
  .ch-band-nav { width: 100%; padding-top: 8px; }
}
@media (max-width: 480px) {
  .ch-band { padding: 16px 18px; }
  .ch-band-name { font-size: 20px; gap: 8px; }
  .ch-band-en { font-size: 12px; letter-spacing: 2px; }
  .ch-headline { grid-template-columns: 1fr; }
  .ch-headline-img { aspect-ratio: 16/9; }
  .ch-headline-body { padding: 14px; }
  .ch-headline-title { font-size: 18px; }
  .ch-curated-grid { grid-template-columns: 1fr; }
  .ch-timeline::before { left: 0; }
  .ch-timeline-item { padding-left: 30px; }
  .ch-timeline-meta { position: static; margin-bottom: 4px; }
  .ch-timeline-dot { display: none; }
}