/* ============================================================
   雾水 · 水墨主题  (丝滑科技感 + 文艺水墨)
   设计系统 / 全站样式 — 替换原「码志」primer-css
   动效一律走 transform/opacity，尊重 prefers-reduced-motion
   ============================================================ */

/* ---------- 设计 token ---------- */
:root{
  --serif: "LXGW WenKai Screen", "LXGW WenKai", "Noto Serif SC", "Songti SC", "STSong", serif;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  --mono: "JetBrains Mono", "SF Mono", "Fira Code", "Cascadia Code", Consolas, "PingFang SC", monospace;

  --bg: #f5f4ef;          /* 宣纸 */
  --bg-soft: #ecebe4;
  --surface: #fffffe;
  --text: #1f242a;        /* 墨 */
  --text-soft: #5d6670;
  --text-faint: #8c949d;
  --accent: #2f7068;      /* 墨青 */
  --accent-deep: #245a53;
  --accent-soft: #2f70681a;
  --mist: #6f9bd1;        /* 雾蓝 */
  --line: rgba(20,28,30,.10);
  --code-bg: #f1f0ea;
  --shadow: 0 1px 2px rgba(20,28,30,.04), 0 8px 30px rgba(20,28,30,.06);
  --shadow-hover: 0 6px 14px rgba(20,28,30,.08), 0 22px 50px rgba(20,28,30,.12);
  --radius: 18px;
  --radius-sm: 12px;
  --wrap: 1040px;
  --reading: 720px;
}
[data-theme="dark"]{
  --bg: #0e1316;
  --bg-soft: #131a1f;
  --surface: #161e23;
  --text: #e7ebee;
  --text-soft: #94a0a8;
  --text-faint: #6b757d;
  --accent: #6fb8ab;
  --accent-deep: #8fcabf;
  --accent-soft: #6fb8ab1f;
  --mist: #5d82ad;
  --line: rgba(255,255,255,.09);
  --code-bg: #0c1115;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 10px 34px rgba(0,0,0,.35);
  --shadow-hover: 0 6px 16px rgba(0,0,0,.45), 0 26px 60px rgba(0,0,0,.5);
}

/* ---------- 基础 ---------- */
*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  margin:0; font-family:var(--sans); background:var(--bg); color:var(--text);
  line-height:1.75; font-size:16px; overflow-x:hidden;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  transition:background .6s ease, color .6s ease;
}
a{ color:var(--accent); text-decoration:none; transition:color .3s; }
a:hover{ color:var(--accent-deep); }
img{ max-width:100%; height:auto; }
::selection{ background:var(--accent-soft); color:var(--accent-deep); }
::-webkit-scrollbar{ width:11px; height:11px; }
::-webkit-scrollbar-thumb{ background:var(--line); border-radius:99px; border:3px solid transparent; background-clip:content-box; }
::-webkit-scrollbar-thumb:hover{ background:var(--text-faint); background-clip:content-box; }

.wrap{ max-width:var(--wrap); margin:0 auto; padding:0 clamp(20px,6vw,40px); }
.mobile-only{ display:none; }

/* ---------- 背景雾团 + 光标柔光 + 进度条 ---------- */
.fog{ position:fixed; inset:0; z-index:-2; overflow:hidden; pointer-events:none; }
.fog span{ position:absolute; border-radius:50%; filter:blur(60px); will-change:transform; }
.fog .a{ width:46vw;height:46vw; left:-8vw;top:-6vw; opacity:.20;
  background:radial-gradient(circle,var(--accent) 0%,transparent 70%); animation:drift1 26s ease-in-out infinite alternate; }
.fog .b{ width:40vw;height:40vw; right:-6vw;top:16vh; opacity:.15;
  background:radial-gradient(circle,var(--mist) 0%,transparent 70%); animation:drift2 32s ease-in-out infinite alternate; }
.fog .c{ width:36vw;height:36vw; left:28vw;bottom:-14vh; opacity:.12;
  background:radial-gradient(circle,var(--accent) 0%,transparent 70%); animation:drift3 30s ease-in-out infinite alternate; }
@keyframes drift1{ to{ transform:translate(8vw,6vh) scale(1.15);} }
@keyframes drift2{ to{ transform:translate(-6vw,-4vh) scale(1.1);} }
@keyframes drift3{ to{ transform:translate(4vw,-7vh) scale(1.2);} }

.cursor-glow{ position:fixed; top:-110px; left:-110px; width:220px;height:220px;
  border-radius:50%; pointer-events:none; z-index:-1; will-change:transform;
  background:radial-gradient(circle,var(--accent-soft) 0%,transparent 65%); transition:opacity .4s; }

.progress{ position:fixed; top:0; left:0; height:2px; width:100%; z-index:60;
  background:var(--accent); transform:scaleX(0); transform-origin:0 50%; }

/* ---------- 导航 ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  display:flex; align-items:center; justify-content:space-between;
  padding:15px clamp(20px,6vw,90px);
  backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent; transition:background .4s, border-color .4s, padding .35s;
}
.site-header.scrolled{ background:color-mix(in srgb,var(--bg) 72%, transparent); border-color:var(--line); padding-top:10px; padding-bottom:10px; }
.brand{ display:flex; align-items:center; gap:9px; font-family:var(--serif); font-size:24px; font-weight:700; letter-spacing:.04em; color:var(--text); }
.brand:hover{ color:var(--text); }
.brand .drop{ width:11px;height:11px; border-radius:0 50% 50% 50%; background:var(--accent); transform:rotate(45deg); animation:bob 3.6s ease-in-out infinite; }
@keyframes bob{ 50%{ transform:rotate(45deg) translateY(-3px);} }
.nav{ display:flex; align-items:center; gap:clamp(14px,3vw,30px); }
.nav a.navlink{ position:relative; color:var(--text-soft); font-size:15px; padding:4px 0; }
.nav a.navlink::after{ content:""; position:absolute; left:0; bottom:-2px; height:2px; width:100%;
  background:var(--accent); transform:scaleX(0); transform-origin:0 50%; transition:transform .35s cubic-bezier(.2,.7,.2,1); }
.nav a.navlink:hover{ color:var(--text); } .nav a.navlink:hover::after,
.nav a.navlink.active::after{ transform:scaleX(1); }
.nav a.navlink.active{ color:var(--text); }

.toggle{ width:40px;height:40px; border:1px solid var(--line); border-radius:12px; background:var(--surface);
  cursor:pointer; color:var(--text); display:grid; place-items:center; position:relative; overflow:hidden;
  transition:border-color .3s, transform .15s; flex:none; }
.toggle:hover{ border-color:var(--accent); }
.toggle:active{ transform:scale(.92); }
.toggle svg{ width:19px;height:19px; }
[data-theme="dark"] .toggle .sun{ display:none; }
[data-theme="light"] .toggle .moon{ display:none; }

.menu-btn{ display:none; width:40px;height:40px; border:1px solid var(--line); border-radius:12px; background:var(--surface); color:var(--text); cursor:pointer; }

/* ---------- Hero ---------- */
.hero{ padding-top:clamp(64px,15vh,140px); padding-bottom:clamp(46px,8vh,84px); }
.hero .eyebrow{ color:var(--accent); font-size:13px; letter-spacing:.22em; text-transform:uppercase; margin-bottom:18px; opacity:0; animation:fadeUp .8s .1s both; }
.hero h1{ font-family:var(--serif); font-weight:700; line-height:1.18; font-size:clamp(38px,7.5vw,74px); letter-spacing:.01em; margin:0 0 22px; }
.hero h1 .ln{ display:block; overflow:hidden; }
.hero h1 .ln>span{ display:inline-block; transform:translateY(110%); animation:rise .9s cubic-bezier(.2,.75,.2,1) both; }
.hero h1 .ln:nth-child(1)>span{ animation-delay:.2s; }
.hero h1 .ln:nth-child(2)>span{ animation-delay:.34s; }
.hero .accent-ink{ color:var(--accent); }
.hero p.sub{ font-size:clamp(16px,2.4vw,20px); color:var(--text-soft); max-width:32em; margin:0; opacity:0; animation:fadeUp .9s .5s both; }
.hero .meta{ margin-top:26px; display:flex; flex-wrap:wrap; gap:18px; color:var(--text-faint); font-size:14px; opacity:0; animation:fadeUp .9s .68s both; }
.hero .meta a{ color:var(--text-faint); } .hero .meta a:hover{ color:var(--accent); }

@keyframes rise{ to{ transform:translateY(0);} }
@keyframes fadeUp{ from{ opacity:0; transform:translateY(16px);} to{ opacity:1; transform:none;} }

/* ---------- 章节标题 ---------- */
.sec-title{ font-family:var(--serif); font-size:clamp(22px,4vw,30px); margin:0 0 6px; }
.sec-sub{ color:var(--text-soft); margin:0 0 34px; font-size:15px; }

/* ---------- 文章卡片列表（首页） ---------- */
.posts{ padding-top:8px; padding-bottom:80px; }
.card-grid{ display:grid; grid-template-columns:repeat(auto-fill,minmax(290px,1fr)); gap:22px; list-style:none; padding:0; margin:0; }
.card{
  position:relative; overflow:hidden; display:block;
  background:var(--surface); border:1px solid var(--line); border-radius:var(--radius);
  padding:0; box-shadow:var(--shadow); color:inherit;
  transition:transform .45s cubic-bezier(.2,.7,.2,1), box-shadow .45s, border-color .4s;
}
.card-body{ padding:24px 24px 22px; }
.card-media{ aspect-ratio:16/9; overflow:hidden; border-bottom:1px solid var(--line); }
.card-media img{ width:100%; height:100%; object-fit:cover; display:block; margin:0; border-radius:0; box-shadow:none; transition:transform .5s ease; }
.card:hover .card-media img{ transform:scale(1.05); }
.card::before{ content:""; position:absolute; top:0; left:-60%; width:55%; height:100%;
  background:linear-gradient(105deg,transparent,color-mix(in srgb,var(--accent) 22%,transparent),transparent);
  transform:skewX(-18deg); transition:left .7s ease; pointer-events:none; }
.card:hover{ transform:translateY(-7px); box-shadow:var(--shadow-hover); border-color:color-mix(in srgb,var(--accent) 40%,var(--line)); color:inherit; }
.card:hover::before{ left:120%; }
.card .tag{ display:inline-block; font-size:12px; color:var(--accent); background:var(--accent-soft); padding:3px 11px; border-radius:999px; margin-bottom:14px; letter-spacing:.04em; }
.card .tag.top{ background:var(--accent); color:#fff; }
.card h3{ font-family:var(--serif); font-size:21px; line-height:1.4; margin:0 0 10px; color:var(--text); transition:color .3s; }
.card:hover h3{ color:var(--accent); }
.card p{ color:var(--text-soft); font-size:14.5px; margin:0 0 18px; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.card .meta{ display:flex; align-items:center; gap:10px; color:var(--text-faint); font-size:13px; }
.card .meta .dot{ width:3px;height:3px;border-radius:50%; background:var(--text-faint); }

/* 文章封面 */
.post-cover{ margin:30px 0 0; }
.post-cover img{ width:100%; aspect-ratio:3/1; object-fit:cover; border-radius:var(--radius); box-shadow:var(--shadow); display:block; margin:0; }

/* 代码块复制按钮 */
.markdown-body pre{ position:relative; }
.code-copy{ position:absolute; top:8px; right:8px; font-family:var(--sans); font-size:12px; line-height:1;
  padding:5px 10px; border-radius:8px; border:1px solid var(--line); background:var(--surface); color:var(--text-soft);
  cursor:pointer; opacity:0; transition:opacity .2s, color .25s, border-color .25s; }
.markdown-body pre:hover .code-copy, .code-copy:focus{ opacity:1; }
.code-copy:hover{ color:var(--accent); border-color:var(--accent); }
.code-copy.done{ color:var(--accent); border-color:var(--accent); opacity:1; }

/* Mermaid 图表 */
.markdown-body .mermaid{ display:flex; justify-content:center; margin:1.8em 0; padding:18px 16px; background:var(--bg-soft); border:1px solid var(--line); border-radius:var(--radius-sm); overflow-x:auto; }
.markdown-body .mermaid svg{ max-width:100%; height:auto; }

/* 截图展示：浏览器窗口边框（让配图显得完整、精致；圆点用中性灰） */
.markdown-body .browser{ margin:1.9em 0; border:1px solid var(--line); border-radius:12px; overflow:hidden; box-shadow:var(--shadow-hover); background:var(--surface); }
.markdown-body .browser .bar{ display:flex; align-items:center; gap:7px; padding:11px 14px; background:var(--bg-soft); border-bottom:1px solid var(--line); }
.markdown-body .browser .bar i{ width:11px; height:11px; border-radius:50%; background:var(--text-faint); opacity:.4; }
.markdown-body .browser img{ display:block; width:100%; margin:0; border-radius:0; box-shadow:none; }
.markdown-body .phone-shot{ text-align:center; margin:1.9em 0; }
.markdown-body .phone-shot img{ width:268px; max-width:78%; margin:0 auto; border-radius:20px; box-shadow:var(--shadow-hover); }

/* 代码块语言标签 */
.code-lang{ position:absolute; top:9px; left:16px; font-family:var(--mono); font-size:11px; letter-spacing:.04em; color:var(--text-faint); opacity:.85; pointer-events:none; user-select:none; }

/* 文章目录 TOC（宽屏右侧浮动 + scroll-spy；窄屏隐藏，不挤占阅读栏） */
.toc{ display:none; }
@media (min-width:1240px){
  .toc{ display:block; position:fixed; top:104px; right:max(28px, calc((100vw - 720px) / 2 - 230px)); width:210px; max-height:72vh; overflow-y:auto; padding-left:16px; border-left:1px solid var(--line); opacity:0; transform:translateX(8px); transition:opacity .35s ease, transform .35s ease; pointer-events:none; }
  .toc.show{ opacity:1; transform:none; pointer-events:auto; }
  .toc .toc-title{ color:var(--text-faint); font-size:12px; letter-spacing:.14em; text-transform:uppercase; margin-bottom:10px; }
  .toc a{ display:block; color:var(--text-soft); font-size:13px; line-height:1.5; padding:4px 0; transition:color .2s; }
  .toc a.lv3{ padding-left:14px; font-size:12.5px; color:var(--text-faint); }
  .toc a:hover{ color:var(--accent); }
  .toc a.active{ color:var(--accent); }
}

/* ---------- 分页 ---------- */
.pagination{ display:flex; justify-content:center; gap:8px; margin-top:46px; flex-wrap:wrap; }
.pagination a, .pagination span{ min-width:40px; height:40px; padding:0 12px; display:inline-flex; align-items:center; justify-content:center;
  border:1px solid var(--line); border-radius:11px; color:var(--text-soft); background:var(--surface); font-size:14px; transition:all .25s; }
.pagination a:hover{ border-color:var(--accent); color:var(--accent); }
.pagination .active{ background:var(--accent); border-color:var(--accent); color:#fff; }
.pagination .disabled{ opacity:.4; }

/* ---------- 文章页 ---------- */
.post-head{ padding-top:clamp(56px,12vh,110px); padding-bottom:30px; text-align:center; }
.post-head .tag{ display:inline-block; font-size:13px; color:var(--accent); background:var(--accent-soft); padding:4px 13px; border-radius:999px; margin-bottom:18px; opacity:0; animation:fadeUp .7s .05s both; }
.post-head h1{ font-family:var(--serif); font-weight:700; font-size:clamp(30px,5.5vw,52px); line-height:1.25; margin:0 auto 18px; max-width:18em; opacity:0; animation:fadeUp .8s .12s both; }
.post-head .meta{ display:flex; flex-wrap:wrap; gap:8px 18px; justify-content:center; color:var(--text-faint); font-size:14px; opacity:0; animation:fadeUp .8s .24s both; }
.post-head .meta a{ color:var(--text-faint); } .post-head .meta a:hover{ color:var(--accent); }
.post-divider{ width:60px; height:2px; margin:30px auto 0; background:linear-gradient(90deg,transparent,var(--accent),transparent); opacity:0; animation:fadeUp .8s .34s both; }

.article{ max-width:var(--reading); margin:0 auto; padding:14px 0 30px; }

/* ---------- 文章正文排版 (.markdown-body) ---------- */
.markdown-body{ font-size:17px; line-height:1.95; color:var(--text); word-wrap:break-word; }
.markdown-body>*:first-child{ margin-top:0; }
.markdown-body h1,.markdown-body h2,.markdown-body h3,.markdown-body h4{ font-family:var(--serif); font-weight:700; line-height:1.4; margin:2em 0 .8em; scroll-margin-top:80px; }
.markdown-body h1{ font-size:1.7em; } .markdown-body h2{ font-size:1.42em; padding-bottom:.3em; border-bottom:1px solid var(--line); }
.markdown-body h3{ font-size:1.22em; } .markdown-body h4{ font-size:1.05em; }
.markdown-body h2::before{ content:"§"; color:var(--accent); margin-right:.4em; font-weight:400; opacity:.7; }
.markdown-body p{ margin:0 0 1.3em; }
.markdown-body a{ border-bottom:1px solid var(--accent-soft); transition:border-color .3s; }
.markdown-body a:hover{ border-color:var(--accent); }
.markdown-body ul,.markdown-body ol{ margin:0 0 1.3em; padding-left:1.5em; }
.markdown-body li{ margin:.4em 0; }
.markdown-body ul li::marker{ color:var(--accent); }
.markdown-body blockquote{ margin:1.6em 0; padding:.4em 1.2em; border-left:3px solid var(--accent); background:var(--accent-soft); border-radius:0 var(--radius-sm) var(--radius-sm) 0; color:var(--text-soft); }
.markdown-body blockquote p{ margin:.5em 0; }
.markdown-body hr{ border:0; height:1px; background:var(--line); margin:2.4em 0; }
.markdown-body img{ border-radius:var(--radius-sm); box-shadow:var(--shadow); margin:1em 0; }
.markdown-body table{ width:100%; border-collapse:collapse; margin:1.6em 0; font-size:.95em; }
.markdown-body th,.markdown-body td{ border:1px solid var(--line); padding:9px 14px; text-align:left; }
.markdown-body th{ background:var(--bg-soft); font-weight:600; }
.markdown-body kbd{ font-family:var(--mono); font-size:.85em; background:var(--bg-soft); border:1px solid var(--line); border-bottom-width:2px; border-radius:6px; padding:2px 6px; }

/* 行内代码 */
.markdown-body code{ font-family:var(--mono); font-size:.88em; background:var(--code-bg); padding:.18em .45em; border-radius:6px; color:var(--accent-deep); }
/* 代码块 */
.markdown-body pre{ background:var(--code-bg); border:1px solid var(--line); border-radius:var(--radius-sm); padding:30px 20px 18px; overflow:auto; margin:1.6em 0; line-height:1.6; }
.markdown-body pre code{ background:none; padding:0; color:var(--text); font-size:.9em; }
.highlight{ background:none !important; }

/* 极简 rouge 语法配色（亮 + 暗，自带，不依赖外部主题） */
.highlight .c,.highlight .c1,.highlight .cm,.highlight .cd{ color:#8c949d; font-style:italic; }
.highlight .k,.highlight .kd,.highlight .kn,.highlight .kp,.highlight .kr,.highlight .kt{ color:#a6377f; }
.highlight .s,.highlight .s1,.highlight .s2,.highlight .se,.highlight .sb,.highlight .sd{ color:#2f7068; }
.highlight .n,.highlight .na,.highlight .nb,.highlight .nc,.highlight .nn,.highlight .nt{ color:#1f242a; }
.highlight .nf,.highlight .nx{ color:#3a6ea5; }
.highlight .m,.highlight .mi,.highlight .mf,.highlight .il{ color:#b06a28; }
.highlight .o,.highlight .ow,.highlight .p{ color:#5d6670; }
.highlight .gi{ color:#2f7068; } .highlight .gd{ color:#c0392b; }
[data-theme="dark"] .highlight .c,[data-theme="dark"] .highlight .c1,[data-theme="dark"] .highlight .cm{ color:#6b757d; }
[data-theme="dark"] .highlight .k,[data-theme="dark"] .highlight .kd,[data-theme="dark"] .highlight .kn,[data-theme="dark"] .highlight .kr,[data-theme="dark"] .highlight .kt{ color:#e08bc0; }
[data-theme="dark"] .highlight .s,[data-theme="dark"] .highlight .s1,[data-theme="dark"] .highlight .s2,[data-theme="dark"] .highlight .se{ color:#7fd0c2; }
[data-theme="dark"] .highlight .n,[data-theme="dark"] .highlight .nb,[data-theme="dark"] .highlight .nc,[data-theme="dark"] .highlight .nt{ color:#e7ebee; }
[data-theme="dark"] .highlight .nf,[data-theme="dark"] .highlight .nx{ color:#82ade0; }
[data-theme="dark"] .highlight .m,[data-theme="dark"] .highlight .mi,[data-theme="dark"] .highlight .mf{ color:#e0a868; }
[data-theme="dark"] .highlight .o,[data-theme="dark"] .highlight .p{ color:#94a0a8; }

/* 文末：版权 / 上下篇 / 评论 */
.post-foot{ max-width:var(--reading); margin:0 auto; padding:0 0 20px; }
.copyright-box{ margin:2.4em 0 1.6em; padding:18px 22px; background:var(--bg-soft); border-radius:var(--radius-sm); font-size:14px; color:var(--text-soft); border-left:3px solid var(--accent); }
.copyright-box a{ word-break:break-all; }
.post-nav{ display:flex; gap:16px; margin:24px 0; flex-wrap:wrap; }
.post-nav a{ flex:1; min-width:200px; padding:16px 18px; border:1px solid var(--line); border-radius:var(--radius-sm); background:var(--surface); transition:all .3s; }
.post-nav a:hover{ border-color:var(--accent); transform:translateY(-3px); box-shadow:var(--shadow); }
.post-nav .label{ font-size:12px; color:var(--text-faint); display:block; margin-bottom:4px; }
.post-nav .t{ font-family:var(--serif); color:var(--text); }
.comment{ max-width:var(--reading); margin:30px auto 0; }
.comment .giscus{ margin-top:10px; }

/* ---------- 通用页面 ---------- */
.page-head{ padding-top:clamp(56px,12vh,110px); padding-bottom:10px; }
.page-head h1{ font-family:var(--serif); font-weight:700; font-size:clamp(30px,5.5vw,52px); margin:0 0 10px; }
.page-head .subtitle{ color:var(--text-soft); font-size:17px; }
.page-body{ max-width:var(--reading); margin:0 auto; padding:24px 0 70px; }
.chips{ display:flex; flex-wrap:wrap; gap:8px; margin:.6em 0 1.6em; }
.chips .tag{ display:inline-block; font-size:13px; color:var(--accent); background:var(--accent-soft); padding:5px 13px; border-radius:999px; }

/* 分类页 */
.cate-filter{ display:flex; flex-wrap:wrap; gap:10px; margin:0 0 38px; }
.cate-chip{ font-family:var(--sans); font-size:14px; color:var(--text-soft); background:var(--surface); border:1px solid var(--line); border-radius:999px; padding:7px 16px; cursor:pointer; display:inline-flex; align-items:center; gap:7px; transition:color .25s, border-color .25s, background .25s, transform .15s; }
.cate-chip:hover{ border-color:var(--accent); color:var(--accent); }
.cate-chip:active{ transform:scale(.95); }
.cate-chip.active{ background:var(--accent); border-color:var(--accent); color:#fff; }
.cate-chip .n{ font-size:12px; opacity:.65; }
.cate-chip.active .n{ opacity:.85; }
.cate-block{ margin-bottom:38px; }
.cate-name{ font-family:var(--serif); font-size:22px; margin:0 0 14px; display:flex; align-items:center; gap:10px; }
.cate-name .count{ font-size:13px; color:var(--text-faint); font-family:var(--sans); }
.cate-list{ list-style:none; padding:0; margin:0; }
.cate-list li{ display:flex; justify-content:space-between; gap:14px; padding:11px 0; border-bottom:1px dashed var(--line); }
.cate-list li:hover{ padding-left:6px; transition:padding .25s; }
.cate-list a{ color:var(--text); } .cate-list a:hover{ color:var(--accent); }
.cate-list .d{ color:var(--text-faint); font-size:13px; white-space:nowrap; }

/* 归档 / 友链 复用 cate 风格 */
.links-grid{ display:grid; grid-template-columns:repeat(auto-fill,minmax(220px,1fr)); gap:16px; list-style:none; padding:0; margin:24px 0; }
.link-card{ display:flex; gap:12px; align-items:center; padding:14px 16px; height:92px; box-sizing:border-box; border:1px solid var(--line); border-radius:var(--radius-sm); background:var(--surface); transition:all .3s; }
.link-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow); border-color:var(--accent); }
.link-card img{ width:42px; height:42px; flex:0 0 auto; border-radius:50%; margin:0; box-shadow:none; object-fit:cover; background:var(--bg-soft); }
.link-card > span{ display:flex; flex-direction:column; gap:2px; min-width:0; flex:1 1 auto; }
.link-card .n{ font-weight:600; color:var(--text); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.link-card .desc{ font-size:13px; color:var(--text-soft); display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }

/* ---------- 页脚 ---------- */
.site-footer{ border-top:1px solid var(--line); padding:40px 0 56px; color:var(--text-faint); font-size:14px; }
.site-footer .inner{ display:flex; flex-direction:column; align-items:center; gap:10px; text-align:center; }
.site-footer .brand{ font-size:20px; color:var(--text); }
.site-footer .flinks{ display:flex; flex-wrap:wrap; gap:18px; justify-content:center; }
.site-footer .flinks a{ color:var(--text-faint); } .site-footer .flinks a:hover{ color:var(--accent); }

/* ---------- 进场 / 涟漪 / 切换 ---------- */
[data-reveal]{ opacity:0; transform:translateY(28px); transition:opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1); transition-delay:var(--d,0ms); }
[data-reveal].in{ opacity:1; transform:none; }
.ripple{ position:absolute; border-radius:50%; background:color-mix(in srgb,var(--accent) 38%,transparent); transform:scale(0); opacity:.6; pointer-events:none; animation:rip .65s ease-out forwards; }
@keyframes rip{ to{ transform:scale(2.4); opacity:0; } }
::view-transition-old(root),::view-transition-new(root){ animation:none; mix-blend-mode:normal; }
::view-transition-old(root){ z-index:1; } ::view-transition-new(root){ z-index:2; }

/* ---------- 首页区头 / 更多链接 ---------- */
.sec-head{ display:flex; align-items:flex-end; justify-content:space-between; gap:16px; margin-bottom:34px; }
.sec-head .sec-title{ margin:0 0 6px; }
.sec-head .sec-sub{ margin:0; }
.more-link{ color:var(--accent); font-size:14px; white-space:nowrap; padding:6px 0; transition:transform .25s; }
.more-link:hover{ transform:translateX(4px); }

/* ---------- 归档时间线 ---------- */
.timeline{ margin-top:6px; }
.tl-group{ display:grid; grid-template-columns:88px 1fr; gap:0 26px; }
.tl-year{ font-family:var(--serif); font-size:26px; font-weight:700; color:var(--accent); position:sticky; top:84px; align-self:start; padding-top:6px; }
.tl-items{ border-left:2px solid var(--line); padding:0 0 26px 26px; }
.tl-item{ display:flex; align-items:baseline; gap:14px; padding:11px 0; color:var(--text); position:relative; transition:transform .3s, color .3s; }
.tl-item::before{ content:""; position:absolute; left:-33px; top:17px; width:9px;height:9px; border-radius:50%; background:var(--bg); border:2px solid var(--accent); transition:all .3s; }
.tl-item:hover{ color:var(--accent); transform:translateX(5px); }
.tl-item:hover::before{ background:var(--accent); box-shadow:0 0 0 4px var(--accent-soft); }
.tl-date{ font-family:var(--mono); font-size:13px; color:var(--text-faint); flex:none; }
.tl-title{ font-size:16px; }
.tl-cat{ margin-left:auto; font-size:12px; color:var(--accent); background:var(--accent-soft); padding:2px 10px; border-radius:999px; flex:none; align-self:center; }

/* ---------- 搜索浮层 ---------- */
.search-overlay[hidden]{ display:none; }   /* 关键：未打开时彻底隐藏，否则会盖住整页拦截点击 */
.search-overlay{ position:fixed; inset:0; z-index:100; display:flex; justify-content:center; align-items:flex-start; padding:14vh 20px 20px;
  background:color-mix(in srgb,var(--bg) 55%, transparent); backdrop-filter:blur(8px); -webkit-backdrop-filter:blur(8px); opacity:0; transition:opacity .25s; }
.search-overlay.open{ opacity:1; }
.search-box{ width:100%; max-width:600px; background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); box-shadow:var(--shadow-hover);
  overflow:hidden; transform:translateY(-12px) scale(.98); transition:transform .3s cubic-bezier(.2,.7,.2,1); }
.search-overlay.open .search-box{ transform:none; }
.search-bar{ display:flex; align-items:center; gap:12px; padding:15px 18px; border-bottom:1px solid var(--line); }
.search-bar svg{ width:20px;height:20px; color:var(--text-faint); flex:none; }
.search-bar input{ flex:1; border:0; background:none; outline:none; font-size:17px; color:var(--text); font-family:var(--sans); }
.search-bar kbd{ font-family:var(--mono); font-size:11px; color:var(--text-faint); border:1px solid var(--line); border-radius:6px; padding:2px 7px; flex:none; }
.search-results{ max-height:56vh; overflow:auto; padding:8px; }
.sr-item{ display:block; padding:12px 14px; border-radius:var(--radius-sm); color:var(--text); }
.sr-item:hover, .sr-item.active{ background:var(--accent-soft); }
.sr-title{ font-family:var(--serif); font-size:16px; margin-bottom:3px; color:var(--text); }
.sr-meta{ font-size:12px; color:var(--text-faint); margin-bottom:4px; }
.sr-snippet{ font-size:13px; color:var(--text-soft); line-height:1.6; }
.search-empty{ padding:34px; text-align:center; color:var(--text-faint); }
mark{ background:color-mix(in srgb,var(--accent) 28%, transparent); color:inherit; border-radius:3px; padding:0 2px; }

/* ---------- 响应式 ---------- */
@media (max-width:720px){
  .site-header{ padding:13px 20px; }
  .nav .navlink{ display:none; }
  .menu-btn{ display:grid; place-items:center; }
  .nav.open .navlink{ display:block; }
  .nav.open{ position:absolute; top:100%; right:14px; flex-direction:column; align-items:flex-end; gap:14px;
    background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-sm); padding:18px 22px; box-shadow:var(--shadow-hover); }
  .mobile-only{ display:grid; }
  .post-nav a{ min-width:100%; }
  .sec-head{ flex-direction:column; align-items:flex-start; gap:8px; }
  .tl-group{ grid-template-columns:1fr; }
  .tl-year{ position:static; top:auto; margin-bottom:6px; padding-top:0; }
  .tl-items{ padding-left:18px; }
  .tl-item::before{ left:-25px; }
  .tl-cat{ display:none; }
  .search-overlay{ padding-top:8vh; }
  .markdown-body table{ display:block; overflow-x:auto; -webkit-overflow-scrolling:touch; }
}

/* ---------- 尊重「减少动态效果」 ---------- */
@media (prefers-reduced-motion: reduce){
  *{ animation:none !important; transition:none !important; scroll-behavior:auto !important; }
  [data-reveal]{ opacity:1; transform:none; }
  .cursor-glow, .fog{ display:none; }
}