/* ==========================================================================
   wadyblog · 轻语资讯 · LECMS
   借鉴 woaidiaoyu 布局：白底 + 蓝调 + 高信息密度 + 分类彩色 pill + tab 切换
   ========================================================================== */

:root{
	--primary:#1e5fa8;
	--primary-2:#2b7cd3;
	--primary-soft:#eaf2fb;
	--text:#1f2937;
	--text-2:#4b5563;
	--muted:#94a3b8;
	--line:#e5eaf0;
	--line-2:#f1f5f9;
	--bg:#f4f6fa;
	--card:#fff;
	--cat-1:#2b7cd3;
	--cat-2:#ff7043;
	--cat-3:#00b96b;
	--cat-4:#a855f7;
	--cat-5:#f43f5e;
	--shadow:0 1px 2px rgba(60,80,120,.05),0 4px 14px rgba(60,80,120,.05);
	--shadow-lift:0 4px 12px rgba(60,80,120,.08),0 14px 32px rgba(60,80,120,.12);
	--sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Helvetica,Arial,sans-serif;
	--mono:"Consolas","Monaco",monospace;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{font-family:var(--sans);background:var(--bg);color:var(--text);font-size:15px;line-height:1.8;-webkit-font-smoothing:antialiased;}
a{color:inherit;text-decoration:none;transition:color .18s,background .18s,border-color .18s;}
a:hover{color:var(--primary-2);}
ul,ol{list-style:none;}
img{max-width:100%;border:0;vertical-align:middle;}
input,textarea,button,select{font-family:inherit;font-size:14px;outline:none;color:inherit;}
h1,h2,h3,h4{font-weight:600;line-height:1.4;color:var(--text);}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 22px;}
.wrap-narrow{max-width:880px;}
::selection{background:var(--primary-2);color:#fff;}

/* ============ 顶栏 ============ */
.lb-top{position:sticky;top:0;z-index:900;background:var(--card);border-bottom:1px solid var(--line);}
.lb-top .wrap{display:flex;align-items:center;gap:22px;height:62px;}
.lb-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--text);letter-spacing:.5px;}
.lb-brand img{width:34px;height:34px;border-radius:8px;object-fit:cover;background:linear-gradient(135deg,var(--primary),var(--primary-2));}
.lb-brand em{font-style:normal;color:var(--primary-2);}
.lb-brand small{font-size:11px;font-weight:400;color:var(--muted);letter-spacing:2px;margin-left:2px;padding-left:8px;border-left:1px solid var(--line);}
.lb-nav{display:flex;align-items:center;gap:2px;margin-left:12px;}
.lb-nav a{
	position:relative;padding:6px 14px;font-size:15px;color:var(--text-2);border-radius:4px;
}
.lb-nav a:hover{color:var(--primary-2);background:var(--primary-soft);}
.lb-nav a.active{color:var(--primary-2);font-weight:600;}
.lb-nav a.active::after{
	content:"";position:absolute;left:14px;right:14px;bottom:-1px;height:2px;
	background:var(--primary-2);border-radius:2px;
}
.lb-tools{margin-left:auto;display:flex;align-items:center;gap:8px;}
.lb-icon-btn{width:36px;height:36px;border:1px solid var(--line);background:transparent;border-radius:50%;color:var(--text-2);cursor:pointer;font-size:14px;}
.lb-icon-btn:hover{background:var(--primary-2);color:#fff;border-color:var(--primary-2);}
.lb-menu-btn{display:none;}

/* ============ Hero 头带 ============ */
.lb-hero{background:linear-gradient(135deg,#1e5fa8 0%,#2b7cd3 45%,#4a97e6 100%);color:#fff;padding:44px 0 90px;position:relative;overflow:hidden;}
.lb-hero::before,.lb-hero::after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.08);}
.lb-hero::before{width:340px;height:340px;top:-130px;right:-80px;}
.lb-hero::after{width:220px;height:220px;bottom:-90px;left:12%;}
.lb-hero .wrap{position:relative;z-index:1;}
.lb-hero-title{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin-bottom:6px;}
.lb-hero-title h1{font-size:32px;color:#fff;font-weight:700;letter-spacing:.5px;}
.lb-hero-title h1 em{font-style:normal;color:#ffd84d;}
.lb-hero-title span{font-size:12.5px;letter-spacing:3px;color:rgba(255,255,255,.7);text-transform:uppercase;}
.lb-hero p{font-size:15px;color:rgba(255,255,255,.85);max-width:640px;}
.lb-hero-stats{display:flex;gap:32px;margin-top:22px;flex-wrap:wrap;}
.lb-hero-stats>div{min-width:80px;}
.lb-hero-stats strong{display:block;font-size:26px;font-weight:700;line-height:1.1;}
.lb-hero-stats span{font-size:11.5px;color:rgba(255,255,255,.65);letter-spacing:2px;}

/* ============ 推荐 pill 条 ============ */
.lb-hot{margin-top:-56px;position:relative;z-index:2;}
.lb-hot-inner{background:var(--card);border-radius:12px;box-shadow:var(--shadow-lift);padding:20px 22px 22px;}
.lb-hot-h{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:14px;}
.lb-hot-h b{font-size:15.5px;color:var(--text);letter-spacing:.5px;}
.lb-hot-h b i{color:var(--primary-2);margin-right:6px;}
.lb-hot-h span{font-size:12.5px;color:var(--muted);}
.lb-hot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;}
.lb-hot-item{
	display:flex;align-items:center;gap:10px;padding:12px 14px;
	background:var(--bg);border-radius:8px;border:1px solid transparent;transition:all .2s;
}
.lb-hot-item:hover{background:#fff;border-color:var(--primary-2);transform:translateY(-1px);box-shadow:var(--shadow);}
.lb-hot-item .lb-hot-ico{
	flex-shrink:0;width:32px;height:32px;line-height:32px;text-align:center;
	border-radius:8px;font-size:14px;color:#fff;
}
.lb-hot-item:nth-child(4n+1) .lb-hot-ico{background:var(--cat-1);}
.lb-hot-item:nth-child(4n+2) .lb-hot-ico{background:var(--cat-2);}
.lb-hot-item:nth-child(4n+3) .lb-hot-ico{background:var(--cat-3);}
.lb-hot-item:nth-child(4n)   .lb-hot-ico{background:var(--cat-4);}
.lb-hot-item-txt{min-width:0;flex:1;}
.lb-hot-item-txt b{display:block;font-size:14px;font-weight:500;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.lb-hot-item-txt span{font-size:11.5px;color:var(--muted);}

/* ============ Tab 条 ============ */
.lb-tabs{
	background:var(--card);border-radius:10px;padding:6px 8px;margin-top:22px;
	display:flex;align-items:center;gap:2px;flex-wrap:wrap;box-shadow:var(--shadow);
	position:sticky;top:63px;z-index:100;
}
.lb-tabs a{
	padding:10px 18px;font-size:14.5px;color:var(--text-2);border-radius:6px;font-weight:500;
}
.lb-tabs a:hover{color:var(--primary-2);background:var(--primary-soft);}
.lb-tabs a.active{background:var(--primary-2);color:#fff;font-weight:600;}
.lb-tabs-r{margin-left:auto;padding:0 10px;font-size:12.5px;color:var(--muted);}

/* ============ 主布局 ============ */
.lb-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:24px;margin-top:22px;}
.lb-main{min-width:0;}

/* ============ 栏目标题 ============ */
.lb-h{
	display:flex;align-items:center;justify-content:space-between;gap:14px;
	padding:0 2px 12px;margin-bottom:2px;border-bottom:2px solid var(--line);position:relative;
}
.lb-h::after{content:"";position:absolute;left:0;bottom:-2px;width:56px;height:2px;background:var(--primary-2);}
.lb-h h2{font-size:17px;letter-spacing:.5px;color:var(--text);}
.lb-h h2 i{color:var(--primary-2);margin-right:5px;font-size:14px;}
.lb-h a{font-size:12.5px;color:var(--muted);}
.lb-h a:hover{color:var(--primary-2);}
.lb-h a i{margin-left:2px;}

/* ============ 文章卡片流（资讯风格）============ */
.lb-stream{background:var(--card);border-radius:10px;padding:6px 22px;}
.lb-post{
	display:grid;grid-template-columns:minmax(0,1fr) 180px;gap:20px;align-items:center;
	padding:22px 0;border-bottom:1px dashed var(--line);position:relative;
}
.lb-post:last-child{border-bottom:0;}
.lb-post-txt{min-width:0;}
.lb-post-cat{
	display:inline-block;font-size:11.5px;padding:2px 9px;border-radius:3px;
	background:var(--cat-1);color:#fff;margin-right:8px;vertical-align:1px;line-height:1.7;letter-spacing:.5px;
}
.lb-post:nth-child(5n+2) .lb-post-cat{background:var(--cat-2);}
.lb-post:nth-child(5n+3) .lb-post-cat{background:var(--cat-3);}
.lb-post:nth-child(5n+4) .lb-post-cat{background:var(--cat-4);}
.lb-post:nth-child(5n)   .lb-post-cat{background:var(--cat-5);}
.lb-post-txt h3{
	display:inline;font-size:17.5px;line-height:1.55;font-weight:600;color:var(--text);letter-spacing:.2px;
}
.lb-post-txt h3 a{color:inherit;}
.lb-post:hover h3 a{color:var(--primary-2);}
.lb-post-txt>p{
	color:var(--text-2);font-size:13.8px;line-height:1.85;margin-top:8px;
	display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.lb-post-foot{
	display:flex;align-items:center;gap:16px;margin-top:12px;
	font-size:12px;color:var(--muted);flex-wrap:wrap;
}
.lb-post-foot i{margin-right:4px;}
.lb-post-foot a{color:var(--muted);}
.lb-post-foot a:hover{color:var(--primary-2);}
.lb-post-pic{
	display:block;height:120px;border-radius:6px;overflow:hidden;background:var(--line-2);
}
.lb-post-pic img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.lb-post:hover .lb-post-pic img{transform:scale(1.06);}
.lb-post--wide{grid-template-columns:1fr;}
.lb-post-badge{
	display:inline-block;font-size:10.5px;padding:1px 6px;background:#fff2e6;color:#ff7043;
	border-radius:3px;margin-left:6px;vertical-align:1px;font-weight:500;letter-spacing:.5px;
}
.lb-post-badge.hot{background:#ffe8e8;color:#f43f5e;}

/* 查看更多按钮 */
.lb-more{
	display:block;text-align:center;margin-top:14px;padding:14px;
	background:var(--card);border-radius:10px;color:var(--text-2);
	font-size:14.5px;font-weight:500;box-shadow:var(--shadow);
	transition:all .2s;
}
.lb-more:hover{background:var(--primary-2);color:#fff;box-shadow:var(--shadow-lift);}
.lb-more i{margin-left:6px;}

/* ============ 侧栏 ============ */
.lb-side{display:flex;flex-direction:column;gap:16px;}
.lb-card{background:var(--card);border-radius:10px;overflow:hidden;box-shadow:var(--shadow);}
.lb-card-h{
	padding:14px 18px;font-size:14.5px;font-weight:600;color:var(--text);
	border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;
}
.lb-card-h-l{display:flex;align-items:center;gap:8px;}
.lb-card-h i{color:var(--primary-2);}
.lb-card-h a{font-size:12px;color:var(--muted);font-weight:400;}
.lb-card-h a:hover{color:var(--primary-2);}

/* 关于我 */
.lb-about{text-align:center;padding:22px 20px;}
.lb-about img{width:60px;height:60px;border-radius:50%;object-fit:cover;margin-bottom:10px;background:var(--line);}
.lb-about h3{font-size:16px;margin-bottom:6px;}
.lb-about p{font-size:13px;color:var(--muted);line-height:1.85;margin-bottom:12px;}
.lb-about a{display:inline-block;padding:6px 20px;background:var(--primary-2);color:#fff;border-radius:20px;font-size:13px;}
.lb-about a:hover{background:var(--primary);}

/* 热榜 */
.lb-rank{padding:6px 18px 14px;}
.lb-rank li{
	display:flex;align-items:flex-start;gap:10px;padding:10px 0;
	border-bottom:1px dashed var(--line);font-size:14px;
}
.lb-rank li:last-child{border-bottom:0;}
.lb-rank-no{
	flex-shrink:0;width:20px;height:20px;line-height:20px;text-align:center;
	background:var(--line-2);color:var(--muted);border-radius:3px;font-size:11.5px;font-weight:700;
}
.lb-rank li:nth-child(1) .lb-rank-no{background:var(--cat-5);color:#fff;}
.lb-rank li:nth-child(2) .lb-rank-no{background:var(--cat-2);color:#fff;}
.lb-rank li:nth-child(3) .lb-rank-no{background:var(--cat-4);color:#fff;}
.lb-rank li a{flex:1;min-width:0;line-height:1.5;color:var(--text);font-size:13.5px;}
.lb-rank li a:hover{color:var(--primary-2);}
.lb-rank li a em{font-style:normal;color:var(--muted);font-size:11.5px;margin-top:2px;display:block;}

/* 标签云 */
.lb-tags{padding:14px 18px 18px;display:flex;flex-wrap:wrap;gap:7px;}
.lb-tags a{
	display:inline-block;padding:4px 11px;background:var(--bg);color:var(--text-2);
	font-size:12.5px;border-radius:3px;border:1px solid transparent;
}
.lb-tags a:hover{background:var(--primary-2);color:#fff;}

/* 公告/站长推荐 */
.lb-notice{padding:16px 18px;font-size:13px;color:var(--text-2);line-height:1.85;}
.lb-notice p+p{margin-top:8px;}
.lb-notice strong{color:var(--text);}

/* 侧栏大图推荐（广告位） */
.lb-ad{position:relative;display:block;height:180px;background:linear-gradient(135deg,#1e5fa8,#4a97e6);overflow:hidden;}
.lb-ad::before{content:"";position:absolute;right:-30px;bottom:-30px;width:140px;height:140px;border-radius:50%;background:rgba(255,255,255,.08);}
.lb-ad-txt{position:absolute;inset:0;padding:22px 24px;color:#fff;display:flex;flex-direction:column;justify-content:center;}
.lb-ad-txt span{font-size:11.5px;letter-spacing:3px;opacity:.85;}
.lb-ad-txt b{font-size:22px;margin:6px 0 12px;line-height:1.3;font-weight:700;}
.lb-ad-txt em{font-style:normal;font-size:12.5px;opacity:.85;}
.lb-ad-btn{
	position:absolute;left:24px;bottom:22px;padding:5px 14px;
	background:#fff;color:var(--primary);border-radius:16px;font-size:12px;font-weight:600;
}
.lb-ad:hover{color:#fff;}

/* ============ 面包屑 ============ */
.lb-crumb{font-size:13px;color:var(--muted);margin:20px 0 6px;}
.lb-crumb a{color:var(--muted);}
.lb-crumb a:hover{color:var(--primary-2);}
.lb-crumb i{margin:0 6px;font-size:11px;color:var(--line);}

/* ============ 页面标题 ============ */
.lb-pagehead{margin-bottom:18px;}
.lb-pagehead h1{font-size:26px;letter-spacing:.5px;margin-bottom:6px;}
.lb-pagehead h1::before{content:"";display:inline-block;width:4px;height:20px;background:var(--primary-2);margin-right:12px;vertical-align:-2px;border-radius:2px;}
.lb-pagehead p{font-size:13.5px;color:var(--muted);}
.lb-pagehead em{color:var(--primary-2);font-style:normal;font-weight:600;}

/* ============ 文章详情 ============ */
.lb-article{background:var(--card);border-radius:10px;padding:36px 42px 32px;margin-bottom:18px;box-shadow:var(--shadow);}
.lb-article-head{padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:24px;}
.lb-article-head h1{font-size:30px;line-height:1.4;margin-bottom:14px;font-weight:700;}
.lb-article-sub{color:var(--muted);font-size:15px;margin-bottom:14px;font-style:italic;}
.lb-article-meta{display:flex;flex-wrap:wrap;gap:20px;font-size:12.5px;color:var(--muted);}
.lb-article-meta i{margin-right:5px;}
.lb-article-meta a{color:var(--muted);}
.lb-article-meta a:hover{color:var(--primary-2);}
.lb-article-body{font-size:16px;line-height:1.95;color:#374151;word-wrap:break-word;}
.lb-article-body p{margin:0 0 18px;}
.lb-article-body img{max-width:100%;height:auto;border-radius:6px;display:block;margin:18px auto;}
.lb-article-body h2{font-size:22px;margin:28px 0 14px;padding-left:12px;border-left:4px solid var(--primary-2);}
.lb-article-body h3{font-size:19px;margin:24px 0 12px;}
.lb-article-body ul{margin:0 0 18px;padding-left:22px;}
.lb-article-body ul li{list-style:disc;margin-bottom:6px;}
.lb-article-body ol{margin:0 0 18px;padding-left:22px;}
.lb-article-body ol li{list-style:decimal;margin-bottom:6px;}
.lb-article-body blockquote{padding:14px 20px;margin:0 0 18px;background:var(--primary-soft);border-left:4px solid var(--primary-2);color:var(--text-2);border-radius:0 6px 6px 0;}
.lb-article-body pre{background:#1e293b;color:#e2e8f0;padding:16px 18px;border-radius:6px;overflow-x:auto;font-family:var(--mono);font-size:13.5px;line-height:1.7;margin:0 0 18px;}
.lb-article-body code{font-family:var(--mono);background:var(--line-2);padding:1px 6px;border-radius:3px;font-size:14px;color:var(--primary);}
.lb-article-body pre code{background:transparent;padding:0;color:inherit;}
.lb-article-body table{width:100%;border-collapse:collapse;margin:0 0 18px;}
.lb-article-body th,.lb-article-body td{border:1px solid var(--line);padding:8px 12px;font-size:14px;}
.lb-article-body th{background:var(--line-2);}
.lb-article-tags{display:flex;flex-wrap:wrap;gap:8px;padding:22px 0 4px;border-top:1px solid var(--line);margin-top:22px;align-items:center;}
.lb-article-tags b{font-size:13.5px;color:var(--muted);margin-right:6px;}
.lb-article-tags a{padding:3px 12px;background:var(--bg);font-size:12.5px;border-radius:14px;color:var(--text-2);}
.lb-article-tags a:hover{background:var(--primary-2);color:#fff;}
.lb-article-declare{margin-top:22px;padding:14px 18px;background:var(--primary-soft);border-radius:6px;font-size:13px;color:var(--text-2);line-height:1.9;border-left:3px solid var(--primary-2);}
.lb-article-declare i{color:var(--primary-2);margin-right:6px;}
.lb-article-declare a{color:var(--primary-2);}

/* 上一篇 / 下一篇 */
.lb-pn{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:18px;}
.lb-pn a{background:var(--card);border-radius:8px;padding:14px 18px;display:block;transition:all .2s;box-shadow:var(--shadow);}
.lb-pn a:last-child{text-align:right;}
.lb-pn a:hover{background:var(--primary-2);color:#fff;}
.lb-pn a:hover b{color:#fff;}
.lb-pn a:hover span{color:rgba(255,255,255,.75);}
.lb-pn span{display:block;font-size:12px;color:var(--muted);margin-bottom:4px;transition:color .2s;}
.lb-pn b{display:block;font-size:14.5px;font-weight:500;color:var(--text);line-height:1.5;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transition:color .2s;}

/* 相关推荐 */
.lb-rel{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;padding:16px 18px 18px;}
.lb-rel-card{display:block;}
.lb-rel-pic{height:120px;border-radius:6px;overflow:hidden;background:var(--line-2);margin-bottom:8px;}
.lb-rel-pic img{width:100%;height:100%;object-fit:cover;}
.lb-rel-card h3{font-size:14px;line-height:1.5;font-weight:500;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.lb-rel-line{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 0;border-bottom:1px dashed var(--line);}
.lb-rel-line:last-child{border-bottom:0;}
.lb-rel-line h3{flex:1;min-width:0;font-size:14px;font-weight:400;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.lb-rel-line time{font-size:12px;color:var(--muted);}

/* ============ 评论 ============ */
.lb-comments{background:var(--card);border-radius:10px;padding:24px 30px 26px;margin-bottom:18px;box-shadow:var(--shadow);}
.lb-comments h2{font-size:16px;padding-bottom:12px;border-bottom:1px solid var(--line);margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.lb-comments h2 i{color:var(--primary-2);}
.lb-cmt{display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line);}
.lb-cmt:last-child{border-bottom:0;}
.lb-cmt-avatar img{width:40px;height:40px;border-radius:50%;object-fit:cover;background:var(--line-2);}
.lb-cmt-main{flex:1;min-width:0;}
.lb-cmt-top{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--muted);margin-bottom:6px;}
.lb-cmt-top b{color:var(--text);font-size:14px;}
.lb-cmt-top a{color:var(--muted);}
.lb-cmt-top a:hover{color:var(--primary-2);}
.lb-cmt-quote{background:var(--line-2);padding:8px 12px;border-radius:6px;font-size:13px;color:var(--muted);margin-bottom:8px;}
.lb-cmt-body{font-size:14.5px;color:var(--text-2);line-height:1.85;word-break:break-word;}
.lb-cmt-more{display:block;text-align:center;padding:12px;margin-top:14px;background:var(--bg);border-radius:6px;color:var(--muted);font-size:13.5px;cursor:pointer;}
.lb-cmt-more:hover{background:var(--primary-soft);color:var(--primary-2);}
.lb-cmt-none{text-align:center;padding:36px 20px;color:var(--muted);}
.lb-cmt-none i{font-size:38px;color:var(--line);margin-bottom:8px;display:block;}

.lb-form{margin-top:22px;padding-top:22px;border-top:1px solid var(--line);}
.lb-form h3{font-size:15px;margin-bottom:14px;display:flex;align-items:center;gap:6px;}
.lb-form h3 i{color:var(--primary-2);}
.lb-field{margin-bottom:12px;}
.lb-field label{display:block;font-size:13px;color:var(--muted);margin-bottom:5px;}
.lb-field input[type=text],.lb-field textarea{width:100%;padding:9px 12px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--text);font-size:14px;transition:border-color .2s;}
.lb-field input[type=text]:focus,.lb-field textarea:focus{border-color:var(--primary-2);background:#fff;}
.lb-field textarea{resize:vertical;min-height:88px;}
.lb-vcode{display:flex;gap:10px;align-items:center;}
.lb-vcode input{flex:1;}
.lb-vcode img{height:38px;border-radius:6px;cursor:pointer;}
.lb-reply-tip{display:flex;align-items:center;gap:10px;padding:10px 12px;background:var(--primary-soft);border-radius:6px;font-size:13px;margin-bottom:10px;}
.lb-reply-tip>div{flex:1;min-width:0;color:var(--text-2);max-height:60px;overflow:hidden;}
.lb-reply-tip a{color:var(--primary-2);}
.lb-submit{display:inline-block;padding:9px 32px;background:var(--primary-2);color:#fff;border:0;border-radius:20px;font-size:14px;cursor:pointer;letter-spacing:1px;}
.lb-submit:hover{background:var(--primary);color:#fff;}

/* ============ 分页 ============ */
.lb-pager{display:flex;justify-content:center;gap:6px;margin:22px 0 8px;flex-wrap:wrap;font-size:13.5px;}
.lb-pager a,.lb-pager span{padding:6px 14px;background:var(--card);border:1px solid var(--line);border-radius:6px;color:var(--text-2);min-width:38px;text-align:center;}
.lb-pager a:hover{border-color:var(--primary-2);color:var(--primary-2);}
.lb-pager .cur,.lb-pager .current{background:var(--primary-2);color:#fff;border-color:var(--primary-2);}

/* ============ 空状态 ============ */
.lb-empty{background:var(--card);border-radius:10px;padding:60px 20px;text-align:center;color:var(--muted);box-shadow:var(--shadow);}
.lb-empty i{display:block;font-size:44px;color:var(--line);margin-bottom:12px;}
.lb-empty p{font-size:15px;}

/* ============ 页脚 ============ */
.lb-foot{background:#1f2937;color:rgba(255,255,255,.7);margin-top:50px;padding:44px 0 0;}
.lb-foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:30px;}
.lb-foot h4{color:#fff;font-size:14px;margin-bottom:14px;letter-spacing:1px;padding-bottom:10px;border-bottom:1px solid rgba(255,255,255,.08);}
.lb-foot p{font-size:13.5px;line-height:1.9;}
.lb-foot ul li{font-size:13.5px;line-height:2.1;}
.lb-foot a{color:rgba(255,255,255,.7);}
.lb-foot a:hover{color:#fff;}
.lb-foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
.lb-foot-brand img{width:38px;height:38px;border-radius:8px;object-fit:cover;background:rgba(255,255,255,.1);}
.lb-foot-brand b{color:#fff;font-size:17px;}
.lb-foot-bottom{border-top:1px solid rgba(255,255,255,.08);padding:16px 0;font-size:12.5px;color:rgba(255,255,255,.5);text-align:center;}
.lb-foot-bottom a{color:rgba(255,255,255,.7);}
.lb-foot-bottom a:hover{color:#fff;}

/* ============ 返回顶部 ============ */
.lb-top-btn{
	position:fixed;right:26px;bottom:34px;width:44px;height:44px;background:var(--card);
	border:1px solid var(--line);border-radius:50%;color:var(--text-2);cursor:pointer;
	font-size:15px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transition:all .3s;z-index:800;
}
.lb-top-btn.show{opacity:1;visibility:visible;}
.lb-top-btn:hover{background:var(--primary-2);color:#fff;border-color:var(--primary-2);transform:translateY(-3px);}

/* ============ 移动端抽屉 ============ */
.lb-drawer{position:fixed;top:0;bottom:0;left:0;width:280px;background:var(--card);z-index:1700;transform:translateX(-100%);transition:transform .3s cubic-bezier(.4,0,.2,1);overflow-y:auto;box-shadow:4px 0 24px rgba(0,0,0,.15);}
.lb-drawer.open{transform:translateX(0);}
.lb-drawer-head{padding:16px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px;}
.lb-drawer-head img{width:36px;height:36px;border-radius:8px;object-fit:cover;background:linear-gradient(135deg,var(--primary),var(--primary-2));}
.lb-drawer-head b{flex:1;font-size:16px;}
.lb-drawer-close{width:32px;height:32px;border:1px solid var(--line);background:transparent;border-radius:50%;color:var(--text-2);cursor:pointer;}
.lb-drawer ul{padding:8px 0 20px;}
.lb-drawer li a{display:flex;align-items:center;gap:10px;padding:14px 22px;font-size:15px;border-bottom:1px solid var(--line-2);color:var(--text-2);}
.lb-drawer li a i{color:var(--primary-2);width:16px;}
.lb-drawer li a:hover,.lb-drawer li.active a{background:var(--primary-soft);color:var(--primary-2);}
.lb-drawer-mask{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:1650;}

/* ============ 响应式 ============ */
@media (max-width:1080px){
	.lb-layout{grid-template-columns:1fr 280px;gap:20px;}
	.lb-post{grid-template-columns:minmax(0,1fr) 160px;}
	.lb-article{padding:28px 26px;}
}
@media (max-width:860px){
	.lb-nav{display:none;}
	.lb-menu-btn{display:inline-flex;}
	.lb-layout{grid-template-columns:1fr;gap:0;}
	.lb-side{margin-top:22px;}
	.lb-hot-grid{grid-template-columns:repeat(2,1fr);}
	.lb-foot-grid{grid-template-columns:1fr 1fr;gap:26px;}
	.lb-rel{grid-template-columns:repeat(2,1fr);}
	.lb-tabs{position:static;}
}
@media (max-width:640px){
	body{font-size:14.5px;}
	.wrap{padding:0 14px;}
	.lb-top .wrap{height:56px;}
	.lb-brand{font-size:17px;}
	.lb-brand img{width:30px;height:30px;}
	.lb-brand small{display:none;}
	.lb-hero{padding:32px 0 78px;}
	.lb-hero-title h1{font-size:22px;}
	.lb-hero p{font-size:13.5px;}
	.lb-hero-stats{gap:20px;}
	.lb-hero-stats strong{font-size:20px;}
	.lb-hot-inner{padding:16px 14px 18px;}
	.lb-hot-grid{grid-template-columns:1fr 1fr;gap:8px;}
	.lb-hot-item{padding:10px 10px;}
	.lb-hot-item .lb-hot-ico{width:28px;height:28px;line-height:28px;font-size:12px;}
	.lb-hot-item-txt b{font-size:13px;}
	.lb-tabs{padding:4px 6px;}
	.lb-tabs a{padding:8px 14px;font-size:13.5px;}
	.lb-layout{margin-top:16px;}
	.lb-stream{padding:4px 14px;}
	.lb-post{grid-template-columns:1fr;gap:12px;padding:18px 0;}
	.lb-post-txt h3{font-size:16px;}
	.lb-post-txt>p{font-size:13.5px;}
	.lb-post-pic{height:170px;order:-1;}
	.lb-article{padding:22px 16px;border-radius:0;box-shadow:none;}
	.lb-article-head h1{font-size:22px;}
	.lb-article-body{font-size:15.5px;line-height:1.9;}
	.lb-article-body h2{font-size:19px;}
	.lb-pn{grid-template-columns:1fr;}
	.lb-pn a:last-child{text-align:left;}
	.lb-rel{grid-template-columns:1fr;}
	.lb-comments{padding:20px 16px;}
	.lb-pagehead h1{font-size:22px;}
	.lb-foot-grid{grid-template-columns:1fr;gap:22px;}
	.lb-top-btn{right:16px;bottom:20px;width:40px;height:40px;}
}