:root{
  color-scheme:light;
  --bg:#f3f4f0;
  --surface:#fbfcf8;
  --surface-muted:#e8ece6;
  --ink:#1d2421;
  --muted:#5f6963;
  --faint:#647068;
  --line:#d6ddd6;
  --accent:#2c6e62;
  --accent-soft:#e2eee8;
  --particle-ink:#355148;
  --header-bg:rgba(243,244,240,.96);
  --focus:#1c554b;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
}

@media(prefers-color-scheme:dark){
  :root{
    color-scheme:dark;
    --bg:#171c19;
    --surface:#1d2420;
    --surface-muted:#26312b;
    --ink:#e8eee9;
    --muted:#b2bdb5;
    --faint:#9aa69e;
    --line:#354139;
    --accent:#9bd1b5;
    --accent-soft:#263d31;
    --particle-ink:#d6e7dc;
    --header-bg:rgba(23,28,25,.97);
    --focus:#b0e1c8;
  }
}

*{box-sizing:border-box}
html{min-height:100%;overflow-x:hidden;overflow-y:auto;scroll-padding-top:170px;background:var(--bg)}
body{min-width:320px;min-height:100%;margin:0;overflow-x:hidden;overflow-y:auto;background:var(--bg);color:var(--ink);font-size:16px;line-height:1.6;touch-action:pan-y pinch-zoom;-webkit-text-size-adjust:100%}
body.reading{overflow:auto!important;overflow-y:auto!important}
::selection{background:var(--accent-soft);color:var(--ink)}
a{color:inherit;text-decoration:none}
a:hover{color:var(--accent)}
a:focus-visible,button:focus-visible{outline:2px solid var(--focus);outline-offset:4px}
button{font:inherit;color:inherit}
[hidden]{display:none!important}

.site-header{position:sticky;top:0;z-index:20;background:var(--header-bg);border-bottom:1px solid var(--line)}
.header-inner,.watch-scope,.site-main{width:min(1120px,calc(100% - 64px));margin:0 auto}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:9px 0 8px}
.brand{display:inline-flex;align-items:center;gap:10px;min-width:0;color:var(--ink)}
.brand-figure{display:grid;place-items:center;width:54px;height:54px;flex:0 0 54px}
.brand-particle{display:block;width:54px;height:54px;overflow:visible}
.brand-copy{display:flex;flex-direction:column;align-items:flex-start;min-width:0}
.brand-name{color:var(--ink);font:600 23px/1 Georgia,"Times New Roman",serif;letter-spacing:.04em}
.brand-subtitle{margin-top:7px;color:var(--muted);font:normal 11px/1 system-ui,-apple-system,"PingFang SC",sans-serif;letter-spacing:.16em}
.header-actions{display:flex;align-items:center;gap:26px;min-width:0}
.header-contact{color:var(--muted);font:12px/1.4 system-ui,-apple-system,"PingFang SC",sans-serif;transition:color .2s ease}
.header-contact:hover{color:var(--accent)}
nav{display:flex;align-items:center;gap:26px;color:var(--muted);font:13px/1 system-ui,-apple-system,"PingFang SC",sans-serif}
nav a{position:relative;padding:10px 0;transition:color .2s ease}
nav a[aria-current=page]{color:var(--ink)}
nav a[aria-current=page]::after{content:"";position:absolute;right:0;bottom:1px;left:0;height:2px;background:var(--accent)}
.watch-scope{display:grid;grid-template-columns:88px 1fr;gap:6px 22px;padding:0 0 17px;color:var(--muted);font:12px/1.6 system-ui,-apple-system,"PingFang SC",sans-serif}
.watch-title{grid-row:span 2;padding-top:1px;color:var(--ink);font-weight:650;letter-spacing:.08em}
.watch-line{display:grid;grid-template-columns:42px 1fr;gap:12px;min-width:0}
.watch-line strong{color:var(--accent);font-size:11px;font-weight:650;letter-spacing:.12em}
.watch-line span{min-width:0;overflow-wrap:anywhere}

.site-main{padding-bottom:96px}
.view[hidden]{display:none!important}
#today-view{padding-top:40px}
.today-heading,.page-heading{display:flex;align-items:center;gap:14px;width:min(760px,100%);margin:0 0 26px;color:var(--muted);font:12px/1.4 system-ui,-apple-system,"PingFang SC",sans-serif}
.section-label{color:var(--accent);font-weight:650;letter-spacing:.12em;white-space:nowrap}
.heading-rule{width:180px;height:1px;background:var(--line)}
.heading-note{color:var(--faint);white-space:nowrap}

.prose{width:min(760px,100%);margin:0;color:var(--ink);font-family:"Songti SC","STSong","Noto Serif CJK SC",serif;font-size:18px;line-height:1.95;letter-spacing:.01em}
.prose h1{margin:0 0 17px;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:clamp(32px,5vw,52px);font-weight:700;line-height:1.22;letter-spacing:-.045em}
.article-meta{display:flex;flex-wrap:wrap;gap:0;color:var(--muted);font:12px/1.5 system-ui,-apple-system,"PingFang SC",sans-serif}
.article-meta span+span{margin-left:12px;padding-left:12px;border-left:1px solid var(--line)}
.prose>.lead{max-width:52ch;margin:30px 0 28px;color:var(--muted);font-size:21px;line-height:1.75}
.hairline{width:100%;height:1px;margin:32px 0 36px;background:var(--line)}
.prose p{max-width:68ch;margin:0 0 24px}
.empty-state{color:var(--muted);font:13px/1.8 system-ui,-apple-system,"PingFang SC",sans-serif!important;letter-spacing:.02em}
.prose h2{margin:48px 0 18px;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:26px;font-weight:700;line-height:1.4;letter-spacing:-.025em;scroll-margin-top:180px}
.prose h3{margin:30px 0 12px;color:var(--accent);font:650 13px/1.6 system-ui,-apple-system,"PingFang SC",sans-serif;letter-spacing:.1em}
.prose blockquote{margin:40px 0;padding:15px 20px;border-left:3px solid var(--accent);background:var(--accent-soft);color:var(--ink);font-size:21px;line-height:1.8}
.prose ul{margin:0 0 28px;padding-left:1.35em}
.prose li{margin:10px 0;padding-left:4px}
.prose a{color:var(--accent);text-decoration:underline;text-decoration-color:color-mix(in srgb,var(--accent) 42%,transparent);text-underline-offset:3px}
.source-note{margin:50px 0 0;padding:18px 0;border-top:1px solid var(--line);color:var(--muted);font:13px/1.8 system-ui,-apple-system,"PingFang SC",sans-serif}
.article-end{display:flex;justify-content:center;margin:10px 0 0;padding:56px 0 20px;color:var(--faint);font:12px/1.5 system-ui,-apple-system,"PingFang SC",sans-serif;letter-spacing:.12em}
.article-end::after{display:none}

.prose.news-digest{max-width:760px;font-size:17px;line-height:1.9}
.news-digest h1{font-size:clamp(30px,4.7vw,48px)}
.news-digest .lead{font-size:19px;line-height:1.8}
.digest-toc{margin:34px 0 46px;border-top:2px solid var(--ink)}
.digest-toc>p{margin:0!important;padding:14px 0 8px;color:var(--accent);font:650 12px/1.5 system-ui,-apple-system,"PingFang SC",sans-serif;letter-spacing:.1em}
.digest-toc button{display:block;width:100%;padding:14px 0;border:0;border-top:1px solid var(--line);background:transparent;text-align:left;color:var(--ink);font:650 14px/1.6 system-ui,-apple-system,"PingFang SC",sans-serif;cursor:pointer;overflow-wrap:anywhere}
.digest-toc button:hover{color:var(--accent)}
.digest-section{margin:42px 0 0;padding:32px 0 0;border-top:1px solid var(--line)}
.news-digest h2{margin:0 0 18px;font-size:24px;line-height:1.5}
.news-digest h3{margin:28px 0 12px;font-size:12px}
.digest-note{margin:28px 0;padding:0;color:var(--muted);font-size:15px;line-height:1.9}
.digest-note p{margin-bottom:16px}
.digest-source{padding:14px 17px;border-left:3px solid var(--accent);background:var(--surface-muted);font-family:system-ui,-apple-system,"PingFang SC",sans-serif;font-size:13px}
.digest-extra h3{color:var(--muted)}
.news-digest .inline-link{display:inline;overflow-wrap:anywhere}
.news-digest .link-icon{margin-right:5px}
.news-digest li{margin:12px 0}

.article-links{margin:48px 0 12px;padding:18px 0 0;border-top:1px solid var(--line);color:var(--muted)}
.article-links-label{margin-bottom:14px;color:var(--accent);font:650 11px/1.5 system-ui,-apple-system,"PingFang SC",sans-serif;letter-spacing:.12em}
.article-links ul{list-style:none;margin:0;padding:0}
.article-links li{display:flex;align-items:center;gap:10px;margin:0;padding:8px 0;font:13px/1.6 system-ui,-apple-system,"PingFang SC",sans-serif}
.article-links .source-link{display:inline-flex;align-items:center;gap:7px;color:var(--ink);text-decoration:none}
.article-links li small{color:var(--faint);font-size:11px}
.inline-link{display:inline-flex;align-items:center;gap:6px}
.link-icon{width:14px;height:14px;flex:0 0 14px;border-radius:2px;object-fit:cover;vertical-align:-2px;filter:grayscale(.15)}

.page{width:min(900px,100%);margin:0 auto;padding:58px 0 90px}
.page-heading{margin-bottom:28px}
.page>h1{margin:0;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:clamp(36px,6vw,58px);font-weight:700;line-height:1.2;letter-spacing:-.05em}
.count{margin-left:12px;color:var(--accent);font:13px/1 system-ui,-apple-system,"PingFang SC",sans-serif;vertical-align:super;letter-spacing:0}
.page-intro{max-width:52ch;margin:17px 0 54px;color:var(--muted);font-size:17px;line-height:1.8}
.archive-group{display:grid;grid-template-columns:140px 1fr;gap:34px;align-items:start}
.month{padding-top:20px;color:var(--ink);font:28px/1 Georgia,"Times New Roman",serif}
.month span{display:block;margin-top:8px;color:var(--accent);font:12px/1.5 system-ui,-apple-system,"PingFang SC",sans-serif;letter-spacing:.1em}
.entry{display:grid;grid-template-columns:48px 1fr 18px;gap:18px;padding:24px 0;border-top:1px solid var(--line);transition:background-color .2s ease,color .2s ease}
.entry:last-child{border-bottom:1px solid var(--line)}
.entry time{padding-top:4px;color:var(--accent);font:12px/1.5 system-ui,-apple-system,"PingFang SC",sans-serif}
.entry h2{margin:0 0 8px;color:var(--ink);font:650 19px/1.45 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;letter-spacing:-.02em}
.entry p{margin:0 0 12px;color:var(--muted);font:14px/1.7 system-ui,-apple-system,"PingFang SC",sans-serif}
.entry small{color:var(--faint);font:12px/1.5 system-ui,-apple-system,"PingFang SC",sans-serif}
.entry>span{padding-top:3px;color:var(--accent);text-align:right;font-size:16px}
.entry:hover{background:var(--accent-soft)}
.entry:hover h2{color:var(--accent)}

.about{max-width:760px}
.about>h1{font-size:clamp(38px,6vw,64px);line-height:1.28}
.about>p{max-width:50ch;margin:30px 0;color:var(--muted);font-family:"Songti SC","STSong","Noto Serif CJK SC",serif;font-size:18px;line-height:2}
.about>.lead{margin-top:44px;color:var(--ink);font-size:22px;line-height:1.75}
.contact-detail{margin-top:38px!important;color:var(--muted);font:13px/1.8 system-ui,-apple-system,"PingFang SC",sans-serif!important}
.contact-detail a{color:var(--accent);text-decoration:underline;text-underline-offset:4px}
.text-link,.back-link{display:inline-flex;margin-top:20px;color:var(--accent);font:13px/1.5 system-ui,-apple-system,"PingFang SC",sans-serif;text-decoration:underline;text-underline-offset:4px}
#post-view{max-width:900px}
#post-view .back-link{margin:0 0 26px}
#post-content{width:min(760px,100%)}

.archive-particles{position:fixed;inset:0;z-index:15;width:100%;height:100%;pointer-events:none}
body.archive-shifting{overflow:hidden!important;touch-action:none}
.archive-shifting #today-view,.archive-shifting #post-view{visibility:hidden}
.archive-shifting #archive-view{visibility:visible}
.archive-shifting #archive-view>h1,.archive-shifting #archive-view .month,.archive-shifting #archive-view .entry{mask-image:var(--glyph-mask,linear-gradient(transparent,transparent));-webkit-mask-image:var(--glyph-mask,linear-gradient(transparent,transparent))}
.archive-arrived .entries{animation:archive-settle .35s ease both}
@keyframes archive-settle{from{opacity:.45;filter:blur(1px)}to{opacity:1;filter:blur(0)}}

@media(max-width:767px){
  html{scroll-padding-top:190px}
  .header-inner,.watch-scope,.site-main{width:min(100% - 36px,640px)}
  .header-inner{align-items:center;padding:8px 0 7px;gap:18px}
  .header-actions{flex-direction:column;align-items:flex-end;gap:4px}
  .header-contact{font-size:11px;line-height:1.25}
  .brand{gap:8px}
  .brand-figure{width:46px;height:46px;flex-basis:46px}
  .brand-particle{width:46px;height:46px}
  .brand-name{font-size:20px}
  .brand-subtitle{margin-top:6px;font-size:10px}
  nav{gap:17px;font-size:12px}
  nav a{padding:8px 0}
  .watch-scope{grid-template-columns:1fr;gap:5px;padding-bottom:15px;font-size:11px;line-height:1.55}
  .watch-title{grid-row:auto;margin-bottom:1px;font-size:11px}
  .watch-line{grid-template-columns:40px 1fr;gap:10px}
  #today-view{padding-top:30px}
  .today-heading,.page-heading{gap:10px;margin-bottom:22px}
  .heading-rule{flex:1;width:auto}
  .heading-note{font-size:11px}
  .prose{font-size:17px;line-height:1.95}
  .prose h1{font-size:clamp(30px,9vw,42px);line-height:1.28}
  .prose>.lead{margin:24px 0;font-size:19px;line-height:1.8}
  .prose h2{margin-top:40px;font-size:23px}
  .prose blockquote{margin:32px 0;padding:13px 16px;font-size:19px}
  .source-note{margin-top:38px}
  .article-end{padding:46px 0 16px}
  .prose.news-digest{font-size:16px;line-height:1.95}
  .news-digest h1{font-size:clamp(29px,8.5vw,40px)}
  .news-digest .lead{font-size:17px}
  .digest-toc{margin:28px 0 38px}
  .digest-toc button{font-size:13px;line-height:1.65}
  .digest-section{margin-top:36px;padding-top:27px}
  .news-digest h2{font-size:22px}
  .page{padding:40px 0 70px}
  .page>h1{font-size:clamp(34px,10vw,48px)}
  .page-intro{margin:15px 0 38px;font-size:16px}
  .archive-group{grid-template-columns:1fr;gap:12px}
  .month{padding-top:0;font-size:22px}
  .month span{display:inline;margin-left:10px}
  .entry{grid-template-columns:40px 1fr 16px;gap:12px;padding:20px 0}
  .entry h2{font-size:17px}
  .entry p{font-size:13px}
  .entry small{font-size:11px}
  .about>h1{font-size:clamp(38px,11vw,56px)}
  .about>p{font-size:17px}
  .about>.lead{font-size:20px}
}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;scroll-behavior:auto!important;transition:none!important}
}