/* ==========================================================================
   dkblog 墨言博客主题 · LECMS
   风格：暖纸底色 + 墨色排版 + 琥珀点缀，衬线标题，杂志式留白
   ========================================================================== */

:root{
	--bg:#f4f1e9;
	--bg-deep:#ece7db;
	--paper:#fffdf7;
	--ink:#26221d;
	--ink-soft:#4a443c;
	--muted:#8d8477;
	--line:#e0d9c9;
	--line-soft:#eee9dd;
	--accent:#a9772c;
	--accent-deep:#8a5f1e;
	--seal:#9c3b2e;
	--shadow:0 1px 2px rgba(60,50,30,.05),0 8px 30px rgba(60,50,30,.07);
	--shadow-lift:0 2px 6px rgba(60,50,30,.08),0 18px 44px rgba(60,50,30,.14);
	--serif:"Noto Serif SC","Source Han Serif SC","Songti SC",STSong,SimSun,Georgia,serif;
	--sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Helvetica,Arial,sans-serif;
}

*{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(--ink);
	font-size:16px;
	line-height:1.85;
	-webkit-font-smoothing:antialiased;
	background-image:
		radial-gradient(circle at 12% 8%, rgba(169,119,44,.045) 0, transparent 42%),
		radial-gradient(circle at 88% 92%, rgba(156,59,46,.035) 0, transparent 40%);
	background-attachment:fixed;
}
a{color:inherit;text-decoration:none;transition:color .22s,opacity .22s;}
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;}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;line-height:1.4;}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 22px;}
.wrap-narrow{max-width:840px;}

/* ============ 顶栏 ============ */
.bk-top{
	background:var(--paper);
	border-bottom:1px solid var(--line);
}
.bk-top .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:96px;}
.bk-brand{display:flex;align-items:center;gap:14px;min-width:0;}
.bk-brand img{height:52px;width:52px;object-fit:cover;border-radius:50%;box-shadow:0 0 0 1px var(--line),0 4px 12px rgba(60,50,30,.12);}
.bk-brand-text{min-width:0;}
.bk-brand-text b{display:block;font-family:var(--serif);font-size:23px;letter-spacing:2px;line-height:1.3;}
.bk-brand-text span{display:block;font-size:11.5px;color:var(--muted);letter-spacing:3px;text-transform:uppercase;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.bk-top-tools{display:flex;align-items:center;gap:10px;}
.bk-search-btn{width:40px;height:40px;border:1px solid var(--line);background:transparent;border-radius:50%;color:var(--ink-soft);cursor:pointer;font-size:15px;transition:all .22s;}
.bk-search-btn:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);}
.bk-menu-btn{display:none;width:40px;height:40px;border:1px solid var(--line);background:transparent;border-radius:50%;color:var(--ink-soft);cursor:pointer;font-size:16px;}

/* ============ 导航 ============ */
.bk-nav{background:var(--paper);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:900;}
.bk-nav .wrap{display:flex;align-items:center;justify-content:center;}
.bk-nav ul{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none;}
.bk-nav ul::-webkit-scrollbar{display:none;}
.bk-nav li{flex-shrink:0;}
.bk-nav li a{
	position:relative;display:block;padding:15px 20px;
	font-family:var(--serif);font-size:16px;letter-spacing:1.5px;color:var(--ink-soft);
}
.bk-nav li a::after{
	content:"";position:absolute;left:50%;bottom:9px;width:0;height:1.5px;
	background:var(--accent);transition:width .3s;transform:translateX(-50%);
}
.bk-nav li a:hover{color:var(--ink);}
.bk-nav li a:hover::after{width:22px;}
.bk-nav li.active a{color:var(--accent-deep);font-weight:700;}
.bk-nav li.active a::after{width:22px;}
.bk-nav li+li a::before{
	content:"";position:absolute;left:-3px;top:50%;transform:translateY(-50%);
	width:1px;height:12px;background:var(--line);
}
.bk-nav li.active a::before,.bk-nav li:first-child a::before{display:none;}

/* ============ 首页 · 卷首 ============ */
.bk-intro{padding:66px 0 40px;text-align:center;}
.bk-intro-kicker{
	display:inline-block;font-size:12px;letter-spacing:6px;color:var(--accent-deep);
	border:1px solid var(--accent);border-radius:2px;padding:4px 14px 4px 18px;margin-bottom:22px;
}
.bk-intro h1{font-size:38px;letter-spacing:4px;margin-bottom:16px;}
.bk-intro h1 em{color:var(--seal);font-style:normal;}
.bk-intro p{
	max-width:620px;margin:0 auto;color:var(--muted);font-size:15.5px;line-height:2;
	font-family:var(--serif);
}
.bk-intro-line{display:flex;align-items:center;justify-content:center;gap:14px;margin-top:28px;color:var(--line);}
.bk-intro-line i{display:block;width:70px;height:1px;background:var(--line);}
.bk-intro-line span{width:7px;height:7px;border:1px solid var(--accent);transform:rotate(45deg);}
.bk-intro-stats{display:flex;justify-content:center;gap:46px;margin-top:32px;flex-wrap:wrap;}
.bk-intro-stats div{text-align:center;}
.bk-intro-stats strong{display:block;font-family:var(--serif);font-size:26px;color:var(--ink);line-height:1.3;}
.bk-intro-stats span{font-size:12.5px;color:var(--muted);letter-spacing:2px;}

/* ============ 头条 ============ */
.bk-lead{padding-bottom:46px;}
.bk-lead-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:26px;}
.bk-lead-main{
	position:relative;display:block;background:var(--ink);border-radius:3px;overflow:hidden;
	min-height:430px;box-shadow:var(--shadow);
}
.bk-lead-main>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.86;transition:transform .8s ease,opacity .5s;}
.bk-lead-main:hover>img{transform:scale(1.05);opacity:.72;}
.bk-lead-mask{position:absolute;inset:0;background:linear-gradient(to top,rgba(24,20,15,.94) 0%,rgba(24,20,15,.5) 42%,rgba(24,20,15,.05) 78%);}
.bk-lead-body{position:absolute;left:0;right:0;bottom:0;padding:34px 36px 32px;}
.bk-seal-tag{
	display:inline-block;background:var(--seal);color:#fff;font-family:var(--serif);
	font-size:12px;letter-spacing:3px;padding:3px 11px 3px 14px;border-radius:2px;margin-bottom:14px;
}
.bk-lead-body h2{
	font-size:30px;color:#fdfaf3;letter-spacing:1px;line-height:1.5;
	display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.bk-lead-body p{
	color:rgba(253,250,243,.72);font-size:14.5px;margin-top:12px;font-family:var(--serif);
	display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.bk-lead-meta{margin-top:16px;font-size:12.5px;color:rgba(253,250,243,.6);display:flex;gap:20px;flex-wrap:wrap;}
.bk-lead-meta i{margin-right:5px;}
.bk-lead-side{display:flex;flex-direction:column;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:3px;overflow:hidden;box-shadow:var(--shadow);}
.bk-lead-side-item{
	display:flex;gap:14px;align-items:center;background:var(--paper);padding:18px 20px;
	transition:background .25s;flex:1;
}
.bk-lead-side-item:hover{background:#fbf6ea;}
.bk-lead-side-num{
	font-family:var(--serif);font-size:26px;color:var(--line);line-height:1;
	flex-shrink:0;width:34px;font-weight:700;transition:color .25s;
}
.bk-lead-side-item:hover .bk-lead-side-num{color:var(--accent);}
.bk-lead-side-info{min-width:0;}
.bk-lead-side-info h3{font-size:15.5px;font-weight:600;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.bk-lead-side-item:hover h3{color:var(--accent-deep);}
.bk-lead-side-info span{display:block;font-size:12px;color:var(--muted);margin-top:5px;}
.bk-lead-side-info span i{margin-right:4px;}

/* ============ 栏目标题 ============ */
.bk-h{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px;padding-bottom:14px;border-bottom:1px solid var(--line);}
.bk-h-l{display:flex;align-items:baseline;gap:12px;min-width:0;}
.bk-h-l h2{font-size:25px;letter-spacing:2px;white-space:nowrap;}
.bk-h-l h2::before{content:"「";color:var(--accent);}
.bk-h-l h2::after{content:"」";color:var(--accent);}
.bk-h-l span{font-size:11.5px;color:var(--muted);letter-spacing:3px;text-transform:uppercase;white-space:nowrap;}
.bk-h-r{font-size:13px;color:var(--muted);white-space:nowrap;flex-shrink:0;}
.bk-h-r:hover{color:var(--accent-deep);}
.bk-h-r i{margin-left:4px;}

/* ============ 文章流 ============ */
.bk-stream{display:flex;flex-direction:column;}
.bk-post{
	display:grid;grid-template-columns:1fr 300px;gap:32px;align-items:center;
	padding:34px 0;border-bottom:1px dashed var(--line);
}
.bk-post:last-child{border-bottom:0;}
.bk-post-txt{min-width:0;}
.bk-post-cat{
	display:inline-block;font-size:11.5px;letter-spacing:2px;color:var(--accent-deep);
	border:1px solid rgba(169,119,44,.4);border-radius:2px;padding:2px 10px;margin-bottom:14px;
}
.bk-post-cat:hover{background:var(--accent);color:#fff;border-color:var(--accent);}
.bk-post-txt h3{font-size:23px;letter-spacing:.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.bk-post-txt h3 a{position:relative;}
.bk-post-txt h3 a:hover{color:var(--accent-deep);}
.bk-post-txt>p{
	margin-top:12px;color:var(--muted);font-size:15px;font-family:var(--serif);line-height:1.95;
	display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.bk-post-foot{display:flex;align-items:center;gap:22px;margin-top:18px;font-size:12.5px;color:var(--muted);flex-wrap:wrap;}
.bk-post-foot i{margin-right:5px;}
.bk-post-foot a:hover{color:var(--accent-deep);}
.bk-post-author{display:flex;align-items:center;gap:8px;}
.bk-post-author img{width:26px;height:26px;border-radius:50%;object-fit:cover;background:var(--bg-deep);}
.bk-post-author b{font-weight:500;color:var(--ink-soft);}
.bk-post-pic{
	display:block;position:relative;height:210px;border-radius:3px;overflow:hidden;
	background:var(--bg-deep);box-shadow:var(--shadow);
}
.bk-post-pic img{width:100%;height:100%;object-fit:cover;transition:transform .7s ease;}
.bk-post:hover .bk-post-pic img{transform:scale(1.06);}
.bk-post-pic::after{
	content:"";position:absolute;inset:8px;border:1px solid rgba(255,253,247,.35);border-radius:2px;
	pointer-events:none;transition:inset .4s;
}
.bk-post:hover .bk-post-pic::after{inset:14px;}
.bk-post-pic-empty{
	display:flex;align-items:center;justify-content:center;
	font-family:var(--serif);font-size:58px;color:var(--line);letter-spacing:4px;
}
.bk-post--wide{grid-template-columns:1fr;}
.bk-post--wide .bk-post-txt h3{font-size:26px;}
.bk-post--wide .bk-post-txt>p{-webkit-line-clamp:3;}
.bk-post--text{display:flex;align-items:baseline;gap:14px;padding:20px 0;}
.bk-post--text h3{font-size:18px;font-weight:600;flex:1;min-width:0;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.bk-post--text h3:hover{color:var(--accent-deep);}
.bk-post--text time{font-size:12.5px;color:var(--muted);flex-shrink:0;font-family:var(--serif);}

/* ============ 便签/摘录 ============ */
.bk-note{
	background:var(--paper);border:1px solid var(--line);border-left:3px solid var(--accent);
	border-radius:3px;padding:26px 30px;margin:8px 0 40px;box-shadow:var(--shadow);position:relative;
}
.bk-note::after{content:"\f10d";font-family:FontAwesome;position:absolute;right:22px;top:16px;font-size:34px;color:rgba(169,119,44,.12);}
.bk-note p{font-family:var(--serif);font-size:16.5px;line-height:2.05;color:var(--ink-soft);}
.bk-note cite{display:block;margin-top:12px;font-size:13px;color:var(--muted);font-style:normal;text-align:right;}

/* ============ 侧栏 ============ */
.bk-layout{display:grid;grid-template-columns:1fr 320px;gap:44px;align-items:start;padding-bottom:56px;}
.bk-side{position:sticky;top:80px;}
.bk-card{background:var(--paper);border:1px solid var(--line);border-radius:3px;padding:24px 24px 26px;margin-bottom:22px;box-shadow:var(--shadow);}
.bk-card-h{display:flex;align-items:center;gap:9px;font-family:var(--serif);font-size:17px;letter-spacing:1.5px;margin-bottom:18px;padding-bottom:12px;border-bottom:1px solid var(--line-soft);}
.bk-card-h i{color:var(--accent);font-size:15px;}
.bk-card-h::before{content:"";width:3px;height:15px;background:var(--accent);border-radius:2px;}
.bk-about{text-align:center;padding-top:6px;}
.bk-about img{width:78px;height:78px;border-radius:50%;object-fit:cover;box-shadow:0 0 0 1px var(--line),0 6px 18px rgba(60,50,30,.14);}
.bk-about h3{font-size:19px;letter-spacing:2px;margin-top:16px;}
.bk-about p{font-size:13.5px;color:var(--muted);font-family:var(--serif);margin-top:10px;line-height:1.9;}
.bk-about-btn{display:inline-block;margin-top:16px;font-size:12.5px;letter-spacing:2px;color:var(--accent-deep);border:1px solid var(--accent);border-radius:2px;padding:6px 18px;}
.bk-about-btn:hover{background:var(--accent);color:#fff;}
.bk-rank li{display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line-soft);}
.bk-rank li:last-child{border-bottom:0;padding-bottom:0;}
.bk-rank li:first-child{padding-top:0;}
.bk-rank-no{font-family:var(--serif);font-size:16px;color:var(--muted);width:20px;flex-shrink:0;line-height:1.7;font-style:italic;}
.bk-rank li:nth-child(-n+3) .bk-rank-no{color:var(--seal);font-weight:700;}
.bk-rank a{flex:1;font-size:14.5px;line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.bk-rank a:hover{color:var(--accent-deep);}
.bk-rank em{display:block;font-size:11.5px;color:var(--muted);font-style:normal;margin-top:3px;}
.bk-tags{display:flex;flex-wrap:wrap;gap:9px;}
.bk-tags a{
	display:inline-block;font-size:13px;color:var(--ink-soft);background:var(--bg);
	border:1px solid var(--line);border-radius:2px;padding:4px 13px;transition:all .22s;
}
.bk-tags a:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);transform:translateY(-1px);}
.bk-archive li{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line-soft);font-size:14px;}
.bk-archive li:last-child{border-bottom:0;}
.bk-archive li a{display:flex;align-items:center;gap:9px;color:var(--ink-soft);}
.bk-archive li a i{color:var(--accent);font-size:12px;}
.bk-archive li a:hover{color:var(--accent-deep);}
.bk-archive span{font-size:12px;color:var(--muted);font-family:var(--serif);}

/* ============ 归档时间线 ============ */
.bk-timeline{position:relative;padding-left:26px;}
.bk-timeline::before{content:"";position:absolute;left:5px;top:8px;bottom:8px;width:1px;background:var(--line);}
.bk-tl-item{position:relative;padding:0 0 26px;}
.bk-tl-item:last-child{padding-bottom:0;}
.bk-tl-item::before{
	content:"";position:absolute;left:-25px;top:9px;width:9px;height:9px;border-radius:50%;
	background:var(--paper);border:1.5px solid var(--accent);
}
.bk-tl-item time{font-family:var(--serif);font-size:13px;color:var(--muted);letter-spacing:1px;}
.bk-tl-item h3{font-size:18px;margin-top:5px;}
.bk-tl-item h3 a:hover{color:var(--accent-deep);}
.bk-tl-item p{font-size:14px;color:var(--muted);margin-top:6px;font-family:var(--serif);}

/* ============ 分页 ============ */
.bk-pager{padding:34px 0 6px;text-align:center;}
.bk-pager .page a,.bk-pager .page span{
	display:inline-block;min-width:40px;height:40px;line-height:38px;padding:0 14px;margin:0 4px;
	background:var(--paper);border:1px solid var(--line);border-radius:2px;
	font-family:var(--serif);font-size:14.5px;color:var(--ink-soft);transition:all .22s;
}
.bk-pager .page a:hover{border-color:var(--ink);color:var(--ink);}
.bk-pager .page span.page-current{background:var(--ink);border-color:var(--ink);color:var(--paper);}

/* ============ 空状态 ============ */
.bk-empty{background:var(--paper);border:1px dashed var(--line);border-radius:3px;padding:76px 20px;text-align:center;}
.bk-empty i{font-size:44px;color:var(--line);display:block;margin-bottom:16px;}
.bk-empty p{color:var(--muted);font-family:var(--serif);font-size:15.5px;letter-spacing:1px;}

/* ============ 列表页 ============ */
.bk-pagehead{padding:52px 0 34px;text-align:center;border-bottom:1px solid var(--line);margin-bottom:38px;}
.bk-pagehead h1{font-size:31px;letter-spacing:3px;}
.bk-pagehead p{margin-top:12px;color:var(--muted);font-family:var(--serif);font-size:14.5px;}
.bk-pagehead p em{color:var(--seal);font-style:normal;font-family:var(--sans);font-weight:600;margin:0 3px;}
.bk-crumb{font-size:12.5px;color:var(--muted);padding:16px 0;letter-spacing:.5px;}
.bk-crumb a{color:var(--ink-soft);}
.bk-crumb a:hover{color:var(--accent-deep);}
.bk-crumb i{margin:0 8px;font-size:10px;color:var(--line);}
.bk-cate-tabs{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:36px;}
.bk-cate-tabs a{font-family:var(--serif);font-size:14.5px;letter-spacing:1.5px;color:var(--ink-soft);border:1px solid var(--line);border-radius:2px;padding:6px 20px;background:var(--paper);}
.bk-cate-tabs a:hover{border-color:var(--accent);color:var(--accent-deep);}
.bk-cate-tabs a.active{background:var(--ink);border-color:var(--ink);color:var(--paper);}

/* ============ 文章详情 ============ */
.bk-article{background:var(--paper);border:1px solid var(--line);border-radius:3px;padding:52px 58px 44px;box-shadow:var(--shadow);}
.bk-article-head{text-align:center;padding-bottom:28px;border-bottom:1px solid var(--line-soft);}
.bk-article-head h1{font-size:33px;letter-spacing:1px;line-height:1.55;}
.bk-article-sub{margin-top:14px;font-family:var(--serif);font-size:15px;color:var(--accent-deep);letter-spacing:1px;}
.bk-article-meta{display:flex;justify-content:center;gap:24px;flex-wrap:wrap;margin-top:16px;font-size:12.5px;color:var(--muted);}
.bk-article-meta i{margin-right:5px;}
.bk-article-meta a{color:var(--muted);}
.bk-article-meta a:hover{color:var(--accent-deep);}
.bk-article-lede{
	margin:30px 0 6px;padding:20px 26px;background:var(--bg);border-radius:3px;
	border-left:3px solid var(--seal);font-family:var(--serif);font-size:15.5px;
	line-height:2;color:var(--ink-soft);
}
.bk-article-lede b{color:var(--seal);margin-right:6px;}
.bk-article-body{font-size:17px;line-height:2.15;color:#332e28;padding-top:26px;word-wrap:break-word;overflow:hidden;}
.bk-article-body>p:first-of-type::first-letter{
	font-family:var(--serif);font-size:2.9em;float:left;line-height:.92;
	padding:6px 10px 0 0;color:var(--seal);font-weight:700;
}
.bk-article-body p{margin:0 0 22px;}
.bk-article-body img{display:block;margin:26px auto;border-radius:3px;box-shadow:var(--shadow);}
.bk-article-body h2{font-size:23px;margin:38px 0 16px;padding-left:14px;border-left:3px solid var(--accent);letter-spacing:.5px;}
.bk-article-body h3{font-size:19.5px;margin:30px 0 14px;}
.bk-article-body a{color:var(--accent-deep);border-bottom:1px solid rgba(169,119,44,.4);}
.bk-article-body a:hover{color:var(--seal);border-color:var(--seal);}
.bk-article-body ul,.bk-article-body ol{padding-left:2em;margin:0 0 22px;}
.bk-article-body ul li{list-style:disc;margin-bottom:8px;}
.bk-article-body ol li{list-style:decimal;margin-bottom:8px;}
.bk-article-body blockquote{
	margin:26px 0;padding:20px 26px;background:var(--bg);border-left:3px solid var(--accent);
	border-radius:3px;font-family:var(--serif);color:var(--ink-soft);font-size:16px;
}
.bk-article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;}
.bk-article-body th,.bk-article-body td{border:1px solid var(--line);padding:11px 15px;text-align:left;}
.bk-article-body th{background:var(--bg);font-family:var(--serif);font-weight:700;}
.bk-article-body pre{background:#26221d;color:#e8e2d4;padding:20px 24px;border-radius:3px;overflow-x:auto;margin:26px 0;font-size:14px;line-height:1.8;}
.bk-article-body code{background:var(--bg-deep);padding:2px 7px;border-radius:2px;font-size:14.5px;color:var(--seal);}
.bk-article-body pre code{background:transparent;color:inherit;padding:0;}
.bk-article-body hr{border:0;border-top:1px dashed var(--line);margin:34px 0;}
.bk-article-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:34px;padding-top:24px;border-top:1px solid var(--line-soft);}
.bk-article-tags>b{font-family:var(--serif);font-size:14px;color:var(--muted);font-weight:400;}
.bk-article-tags a{font-size:13px;color:var(--ink-soft);background:var(--bg);border:1px solid var(--line);border-radius:2px;padding:3px 12px;}
.bk-article-tags a:hover{background:var(--seal);color:#fff;border-color:var(--seal);}
.bk-article-declare{margin-top:22px;font-size:12.5px;color:var(--muted);line-height:2;background:var(--bg);border-radius:3px;padding:14px 20px;}
.bk-article-declare a{color:var(--accent-deep);word-break:break-all;}
.bk-article-declare i{margin-right:6px;color:var(--accent);}
.bk-pn{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:22px;}
.bk-pn a{display:block;background:var(--paper);border:1px solid var(--line);border-radius:3px;padding:18px 22px;min-width:0;transition:all .25s;}
.bk-pn a:hover{border-color:var(--accent);box-shadow:var(--shadow);}
.bk-pn a:last-child{text-align:right;}
.bk-pn span{display:block;font-size:11.5px;color:var(--muted);letter-spacing:2px;}
.bk-pn b{display:block;margin-top:7px;font-family:var(--serif);font-size:15.5px;font-weight:600;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.bk-pn a:hover b{color:var(--accent-deep);}

/* ============ 推荐 ============ */
.bk-rel{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.bk-rel-card{display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-radius:3px;overflow:hidden;transition:all .3s;}
.bk-rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);border-color:var(--accent);}
.bk-rel-pic{height:140px;background:var(--bg-deep);overflow:hidden;}
.bk-rel-pic img{width:100%;height:100%;object-fit:cover;transition:transform .6s;}
.bk-rel-card:hover .bk-rel-pic img{transform:scale(1.07);}
.bk-rel-txt{padding:15px 17px 17px;flex:1;display:flex;flex-direction:column;}
.bk-rel-txt h3{font-size:15.5px;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.bk-rel-card:hover h3{color:var(--accent-deep);}
.bk-rel-txt time{margin-top:auto;padding-top:10px;font-size:11.5px;color:var(--muted);font-family:var(--serif);}
.bk-rel-line{display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-radius:3px;padding:16px 18px;transition:all .25s;}
.bk-rel-line:hover{border-color:var(--accent);transform:translateX(4px);}
.bk-rel-line h3{font-size:15px;font-weight:600;line-height:1.6;}
.bk-rel-line time{font-size:11.5px;color:var(--muted);font-family:var(--serif);margin-top:6px;}

/* ============ 评论 ============ */
.bk-comments{background:var(--paper);border:1px solid var(--line);border-radius:3px;padding:38px 44px 42px;margin-top:24px;box-shadow:var(--shadow);}
.bk-comments>h2{font-size:21px;letter-spacing:1.5px;padding-bottom:16px;border-bottom:1px solid var(--line-soft);margin-bottom:8px;}
.bk-comments>h2 i{color:var(--accent);margin-right:8px;font-size:18px;}
.bk-cmt{display:flex;gap:16px;padding:22px 0;border-bottom:1px dashed var(--line-soft);}
.bk-cmt:last-of-type{border-bottom:0;}
.bk-cmt-avatar{width:44px;height:44px;border-radius:50%;overflow:hidden;flex-shrink:0;background:var(--bg-deep);box-shadow:0 0 0 1px var(--line);}
.bk-cmt-avatar img{width:100%;height:100%;object-fit:cover;}
.bk-cmt-main{flex:1;min-width:0;}
.bk-cmt-top{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.bk-cmt-top b{font-size:14.5px;color:var(--accent-deep);font-weight:600;}
.bk-cmt-top time{font-size:12px;color:var(--muted);font-family:var(--serif);}
.bk-cmt-top a{margin-left:auto;font-size:12.5px;color:var(--muted);cursor:pointer;}
.bk-cmt-top a:hover{color:var(--accent-deep);}
.bk-cmt-quote{margin:10px 0 0;padding:10px 15px;background:var(--bg);border-left:2px solid var(--line);font-size:13.5px;color:var(--muted);border-radius:0 2px 2px 0;}
.bk-cmt-quote i{margin-right:5px;}
.bk-cmt-body{margin-top:8px;font-size:15px;line-height:1.95;color:var(--ink-soft);}
.bk-cmt-more{display:block;text-align:center;margin-top:18px;padding:12px;background:var(--bg);border-radius:2px;font-size:13.5px;color:var(--muted);}
.bk-cmt-more:hover{color:var(--accent-deep);background:var(--bg-deep);}
.bk-cmt-none{text-align:center;padding:44px 0 34px;color:var(--muted);}
.bk-cmt-none i{font-size:40px;color:var(--line);display:block;margin-bottom:12px;}
.bk-form{margin-top:30px;padding-top:28px;border-top:1px solid var(--line-soft);}
.bk-form h3{font-size:18px;letter-spacing:1.5px;margin-bottom:20px;}
.bk-form h3 i{color:var(--seal);margin-right:8px;}
.bk-field{margin-bottom:16px;}
.bk-field label{display:block;font-size:12.5px;color:var(--muted);letter-spacing:1.5px;margin-bottom:7px;}
.bk-field input[type=text],.bk-field textarea{
	width:100%;background:var(--bg);border:1px solid var(--line);border-radius:2px;
	padding:0 15px;height:44px;color:var(--ink);transition:all .22s;font-family:var(--sans);
}
.bk-field textarea{height:auto;padding:12px 15px;line-height:1.85;resize:vertical;font-size:15px;}
.bk-field input:focus,.bk-field textarea:focus{background:var(--paper);border-color:var(--accent);box-shadow:0 0 0 3px rgba(169,119,44,.1);}
.bk-vcode{display:flex;gap:12px;}
.bk-vcode input{flex:1;min-width:0;}
.bk-vcode img{height:44px;border-radius:2px;cursor:pointer;border:1px solid var(--line);}
.bk-reply-tip{display:flex;align-items:center;gap:10px;background:#fdf3ec;border:1px dashed #e6c3b6;border-radius:2px;padding:10px 15px;font-size:13px;margin-bottom:16px;}
.bk-reply-tip a{color:var(--seal);margin-left:auto;flex-shrink:0;}
.bk-reply-tip #reply_comment_content{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink-soft);}
.bk-submit{
	background:var(--ink);color:var(--paper);border:0;border-radius:2px;padding:12px 38px;
	font-family:var(--serif);font-size:15px;letter-spacing:3px;cursor:pointer;transition:all .25s;
}
.bk-submit:hover{background:var(--accent-deep);box-shadow:0 6px 18px rgba(169,119,44,.32);}
.bk-submit[disabled]{opacity:.55;cursor:not-allowed;}

/* ============ 友情链接（仅首页） ============ */
.bk-links{background:var(--paper);border-top:1px solid var(--line);padding:48px 0 54px;}
.bk-links .bk-h{margin-bottom:22px;}
.bk-links-grid{display:flex;flex-wrap:wrap;gap:12px;}
.bk-links-grid a{
	display:flex;align-items:center;gap:9px;background:var(--bg);border:1px solid var(--line);
	border-radius:2px;padding:10px 20px;font-size:14px;letter-spacing:1px;color:var(--ink-soft);
	font-family:var(--serif);transition:all .25s;
}
.bk-links-grid a::before{content:"\f0c1";font-family:FontAwesome;font-size:12px;color:var(--accent);}
.bk-links-grid a:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);transform:translateY(-2px);}
.bk-links-grid a:hover::before{color:var(--accent);}
.bk-links-note{margin-top:20px;font-size:13px;color:var(--muted);font-family:var(--serif);}
.bk-links-note a{color:var(--accent-deep);border-bottom:1px dashed var(--accent);}
.bk-links-note a:hover{color:var(--seal);}

/* ============ 页脚 ============ */
.bk-foot{background:#211d18;color:#a49b8c;padding:52px 0 0;}
.bk-foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1.3fr;gap:44px;padding-bottom:40px;}
.bk-foot h4{font-family:var(--serif);color:#f0e9db;font-size:16px;letter-spacing:2px;margin-bottom:18px;padding-bottom:12px;border-bottom:1px solid rgba(255,255,255,.09);}
.bk-foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.bk-foot-brand img{width:44px;height:44px;border-radius:50%;object-fit:cover;}
.bk-foot-brand b{font-family:var(--serif);font-size:19px;color:#f0e9db;letter-spacing:2px;}
.bk-foot p{font-size:13.5px;line-height:2.05;font-family:var(--serif);}
.bk-foot ul li{padding:5px 0;}
.bk-foot ul a{font-size:13.5px;color:#a49b8c;}
.bk-foot ul a:hover{color:#f0e9db;padding-left:5px;}
.bk-foot ul a i{margin-right:8px;font-size:11px;color:var(--accent);}
.bk-foot-contact p i{width:18px;color:var(--accent);margin-right:4px;}
.bk-foot-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;text-align:center;font-size:12.5px;line-height:2;}
.bk-foot-bottom a{color:#a49b8c;}
.bk-foot-bottom a:hover{color:#f0e9db;}

/* ============ 搜索遮罩 ============ */
.bk-overlay{
	display:none;position:fixed;inset:0;background:rgba(33,29,24,.95);z-index:1500;
	align-items:flex-start;justify-content:center;padding:22vh 22px 0;
}
.bk-overlay.open{display:flex;animation:bkFade .28s ease;}
.bk-overlay form{width:100%;max-width:660px;}
.bk-overlay-input{display:flex;border-bottom:2px solid rgba(255,253,247,.35);}
.bk-overlay input[type=text]{
	flex:1;min-width:0;background:transparent;border:0;color:#fdfaf3;
	font-family:var(--serif);font-size:29px;padding:12px 0;letter-spacing:1px;
}
.bk-overlay input[type=text]::placeholder{color:rgba(253,250,243,.32);}
.bk-overlay button{background:transparent;border:0;color:#fdfaf3;font-size:24px;padding:0 8px;cursor:pointer;}
.bk-overlay button:hover{color:var(--accent);}
.bk-overlay-tip{margin-top:18px;font-size:13px;color:rgba(253,250,243,.45);display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.bk-overlay-tip a{color:rgba(253,250,243,.7);}
.bk-overlay-tip a:hover{color:var(--accent);}
.bk-overlay-close{position:absolute;right:26px;top:26px;width:46px;height:46px;border:1px solid rgba(255,255,255,.2);background:transparent;color:#fdfaf3;border-radius:50%;font-size:18px;cursor:pointer;}
.bk-overlay-close:hover{background:rgba(255,255,255,.1);}
@keyframes bkFade{from{opacity:0}to{opacity:1}}

/* ============ 移动抽屉 ============ */
.bk-drawer{position:fixed;top:0;bottom:0;left:0;width:290px;background:var(--paper);z-index:1600;transform:translateX(-100%);transition:transform .32s cubic-bezier(.4,0,.2,1);overflow-y:auto;box-shadow:4px 0 30px rgba(0,0,0,.18);}
.bk-drawer.open{transform:translateX(0);}
.bk-drawer-head{display:flex;align-items:center;justify-content:space-between;padding:20px 22px;border-bottom:1px solid var(--line);}
.bk-drawer-head img{width:38px;height:38px;border-radius:50%;object-fit:cover;}
.bk-drawer-head b{font-family:var(--serif);font-size:17px;letter-spacing:1.5px;flex:1;margin-left:10px;}
.bk-drawer-close{width:34px;height:34px;border:1px solid var(--line);background:transparent;border-radius:50%;color:var(--ink-soft);cursor:pointer;}
.bk-drawer ul{padding:10px 0 20px;}
.bk-drawer li a{display:flex;align-items:center;gap:12px;padding:15px 24px;font-family:var(--serif);font-size:16px;letter-spacing:1.5px;border-bottom:1px solid var(--line-soft);}
.bk-drawer li a i{color:var(--accent);width:16px;}
.bk-drawer li a:hover,.bk-drawer li.active a{background:var(--bg);color:var(--accent-deep);}
.bk-drawer-mask{display:none;position:fixed;inset:0;background:rgba(20,17,13,.5);z-index:1550;}

/* ============ 返回顶部 ============ */
.bk-top-btn{
	position:fixed;right:26px;bottom:34px;width:46px;height:46px;background:var(--paper);
	border:1px solid var(--line);border-radius:50%;color:var(--ink-soft);cursor:pointer;
	font-size:16px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transition:all .3s;z-index:800;
}
.bk-top-btn.show{opacity:1;visibility:visible;}
.bk-top-btn:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);transform:translateY(-3px);}

/* ============ 响应式 ============ */
@media (max-width:1080px){
	.bk-lead-grid{grid-template-columns:1fr;}
	.bk-lead-main{min-height:360px;}
	.bk-layout{grid-template-columns:1fr 280px;gap:32px;}
	.bk-article{padding:40px 36px 36px;}
	.bk-comments{padding:30px 28px 34px;}
}
@media (max-width:860px){
	.bk-layout{grid-template-columns:1fr;gap:0;}
	.bk-side{position:static;}
	.bk-rel{grid-template-columns:repeat(2,1fr);}
	.bk-foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
	.bk-post{grid-template-columns:1fr 220px;gap:22px;}
}
@media (max-width:640px){
	body{font-size:15px;}
	.wrap{padding:0 16px;}
	.bk-top .wrap{min-height:74px;}
	.bk-top-tools{display:none;}
	.bk-menu-btn{display:block;}
	.bk-brand img{width:42px;height:42px;}
	.bk-brand-text b{font-size:19px;}
	.bk-brand-text span{font-size:10px;letter-spacing:2px;}
	.bk-nav{display:none;}
	.bk-intro{padding:40px 0 26px;}
	.bk-intro h1{font-size:26px;letter-spacing:2px;}
	.bk-intro p{font-size:14px;}
	.bk-intro-stats{gap:26px;}
	.bk-intro-stats strong{font-size:21px;}
	.bk-lead-main{min-height:290px;}
	.bk-lead-body{padding:22px 20px;}
	.bk-lead-body h2{font-size:21px;}
	.bk-lead-body p{display:none;}
	.bk-h{flex-direction:column;align-items:flex-start;gap:6px;}
	.bk-h-l h2{font-size:21px;}
	.bk-post{grid-template-columns:1fr;gap:16px;padding:26px 0;}
	.bk-post-txt h3{font-size:19.5px;}
	.bk-post-pic{height:190px;order:-1;}
	.bk-post--wide .bk-post-txt h3{font-size:21px;}
	.bk-pagehead{padding:34px 0 24px;}
	.bk-pagehead h1{font-size:24px;}
	.bk-article{padding:26px 18px 26px;border-radius:0;border-left:0;border-right:0;}
	.bk-article-head h1{font-size:24px;}
	.bk-article-body{font-size:16.5px;line-height:2;}
	.bk-article-body h2{font-size:20px;}
	.bk-pn{grid-template-columns:1fr;}
	.bk-pn a:last-child{text-align:left;}
	.bk-rel{grid-template-columns:1fr;}
	.bk-comments{padding:24px 18px 28px;}
	.bk-note{padding:20px 20px;}
	.bk-foot-grid{grid-template-columns:1fr;gap:26px;}
	.bk-links{padding:34px 0 40px;}
	.bk-links-grid a{padding:9px 16px;font-size:13.5px;}
	.bk-overlay input[type=text]{font-size:21px;}
	.bk-side{margin-top:40px;}
	.bk-top-btn{right:16px;bottom:20px;width:42px;height:42px;}
}