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7px;font-size:9px;color:#91a47c}.tool-chip.current{border-color:#bacaa8;color:#789260}.tool-trace{font-size:9px;color:#a3b092;margin:13px 0}.tool-trace summary{cursor:pointer;color:#9caa8b;list-style:none}.tool-trace summary:before{content:'＋ ';font-size:10px}.tool-trace[open] summary:before{content:'− '}.tool-trace ol{padding-left:20px;line-height:2;max-height:160px;overflow:auto}.tool-trace li{margin:0}.session-nav{margin-top:27px;padding-top:20px;border-top:1px solid #dfe5d3}.session-nav>.sidebar-label{margin-bottom:11px}.session-item{display:flex;gap:4px;align-items:center;margin:4px -5px}.session-open{border:0;background:transparent;text-align:left;padding:7px 6px;font-size:10px;color:#97a486;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;min-width:0;flex:1;border-radius:4px}.session-item.active .session-open{background:#e4ead9;color:#63804d}.session-menu{border:0;background:transparent;color:#a6b596;padding:5px;font-size:10px}.session-empty{font-size:10px;color:#a6b297;margin:11px 0}.sidebar-backdrop{display:none}#sources-toggle{display:none}@keyframes pulse{0%,100%{opacity:.3}50%{opacity:1}}@media(min-width:1600px){.catalog-wrap{padding-top:75px;max-width:1410px}.article-grid{gap:22px}.note-card{min-height:270px;padding:26px}.note-card h2{font-size:20px}.card-excerpt{font-size:12px}.conversation{padding-right:55px;padding-left:55px}.chat-layout{grid-template-columns:minmax(0,1fr) 325px}.chat-empty{margin-top:105px}.chat-empty h2{font-size:37px}.sources-panel{padding-left:26px;padding-right:26px}}@media(max-width:1250px){.catalog-wrap{padding-right:35px;padding-left:35px}.article-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.reading-wrap{padding-left:35px;padding-right:35px}.reading-layout{gap:35px;grid-template-columns:minmax(0,1fr) 150px}.conversation{padding-left:25px;padding-right:25px}.chat-layout{grid-template-columns:minmax(0,1fr) 258px}.sources-panel{padding-left:17px;padding-right:17px}.chat-empty h2{font-size:28px}.example-prompts{gap:7px}.example-prompt{padding:12px 10px}.mode-label{font-size:8px}.chat-header-actions .button{padding:6px 8px}.chat-empty{margin-top:55px}}@media(max-width:1050px){.chat-layout{grid-template-columns:1fr}.sources-panel{position:fixed;inset:0 0 0 auto;width:300px;z-index:40;box-shadow:-15px 0 45px #2a3e2820;transform:translateX(100%);transition:transform .2s}.sources-panel.open{transform:translateX(0)}.sources-panel-heading .icon-button{display:inline-flex}#sources-toggle{display:inline-flex}.conversation{padding-left:40px;padding-right:40px}.chat-empty{margin-top:70px}.reading-layout{grid-template-columns:minmax(0,1fr)}.toc-panel{display:none}.reading-wrap{max-width:850px}.article-header h1{font-size:31px}.catalog-filter-row{flex-wrap:wrap;gap:9px}.sort-control{margin-left:auto}.header-note{font-size:10px}.heading-line{gap:17px}}@media(max-width:760px){.sidebar{transform:translateX(-100%);transition:transform .2s;width:240px;padding-top:28px}.sidebar.open{transform:translateX(0)}.sidebar-backdrop.open{display:block;position:fixed;inset:0;z-index:25;background:#273b2a40;backdrop-filter:blur(2px)}.page-main{margin-left:0}.mobile-bar{display:flex;align-items:center;justify-content:space-between;height:61px;padding:0 22px;border-bottom:1px solid var(--line);background:var(--paper);position:relative;z-index:20}.mobile-bar>a{font-family:Georgia,var(--serif);font-size:20px;font-weight:600;color:var(--ink);letter-spacing:.4px}.mobile-bar>a span{font-family:var(--sans);font-size:9px;font-weight:400;color:#9aa68c;letter-spacing:.5px;margin-left:6px}.mobile-bar svg{width:18px;height:18px}.catalog-wrap{padding:31px 22px 24px}.page-header{padding-bottom:24px}.heading-line h1{font-size:32px}.eyebrow{font-size:8px}.heading-line{margin-top:11px;gap:20px}.header-note{font-size:10px;line-height:1.7;max-width:160px;padding-top:4px}.page-description{font-size:10px;line-height:1.9;margin-top:10px;max-width:310px}.catalog-toolbar{padding-top:17px}.catalog-filter-row{margin-top:13px;gap:11px}.filter-chips{gap:4px}.filter-chip{font-size:10px;padding:5px 8px}.search-field input{font-size:11px;padding:11px 0}.catalog-result-line{margin-top:21px}.article-grid{gap:13px}.note-card{padding:18px 17px 13px;min-height:240px}.note-card h2{font-size:17px;line-height:1.65}.card-excerpt{font-size:10px;line-height:1.9}.card-footer{font-size:8px}.card-number{font-size:9px}.category-chip{font-size:8px}.page-footer{font-size:9px;flex-wrap:wrap;gap:11px;margin-top:30px}.reading-wrap{padding:22px 24px 45px}.breadcrumb{margin-bottom:25px}.article-header h1{font-size:28px;line-height:1.6}.article-actions{gap:10px}.article-actions>span:last-child{font-size:9px}.article-prose{font-size:15px;line-height:2}.prose h2{font-size:22px}.article-meta{font-size:9px;gap:9px}.prose pre{padding:15px;font-size:11px}.chat-main{height:calc(100dvh - 61px);min-height:450px}.conversation{padding:21px 23px 13px}.chat-header{padding-bottom:15px}.chat-header h1{font-size:24px}.chat-header .eyebrow{font-size:7px;letter-spacing:1.3px}.chat-header-actions{gap:6px}.chat-header-actions .button{font-size:9px;padding:6px 8px}.chat-header-actions .button svg{height:12px;width:12px}.scope-bar{font-size:9px;padding:9px 0;min-height:36px}.mode-label{font-size:8px}.chat-empty{margin:49px auto 27px}.empty-symbol{height:42px;width:42px;margin-bottom:20px}.chat-empty>.eyebrow{font-size:6px;letter-spacing:1.7px}.chat-empty h2{font-size:29px;line-height:1.65;letter-spacing:1px;margin:13px 0}.chat-empty>p{font-size:10px;line-height:1.9;max-width:270px;margin:0 auto}.example-prompts{margin-top:24px;gap:8px}.example-prompt{padding:12px 11px}.example-prompt>strong{font-size:10px}.example-prompt>span{font-size:8px}.composer{padding:13px 13px 9px}.composer textarea{font-size:11px}.composer-note{font-size:7px}.composer-bottom>span{font-size:8px}.composer-bottom{margin-top:8px}.messages{padding-top:21px}.sources-panel{top:61px}.chat-message.assistant .message-content{font-size:13px}.chat-message.user .message-content{font-size:11px}.source-results-heading{margin-top:21px}.mode-label{max-width:95px;overflow:hidden;text-overflow:ellipsis}.sidebar .brand{margin-bottom:35px}.catalog-toolbar .sort-control{font-size:9px}.small-label{font-size:7px}}@media(max-width:480px){.article-grid{grid-template-columns:1fr}.note-card{min-height:220px;padding:22px 22px 15px}.note-card h2{font-size:20px;margin-bottom:9px}.card-excerpt{font-size:11px;-webkit-line-clamp:2}.card-top{margin-bottom:13px}.category-chip{font-size:9px}.card-footer{font-size:9px}.card-tags{font-size:9px;margin-bottom:12px}.card-number{font-size:10px}.catalog-wrap{padding-left:21px;padding-right:21px}.small-label{font-size:6px;letter-spacing:1px}.header-note{max-width:145px}.heading-line{gap:19px}.sort-control select{font-size:10px}.filter-chips{max-height:90px;overflow:auto}.chat-header-actions .button{gap:4px}.chat-header-actions .button svg{display:none}.conversation{padding-left:19px;padding-right:19px}.chat-empty{margin-top:36px}.chat-empty h2{font-size:27px}.example-prompts{gap:6px}.example-prompt{padding:10px 8px}.example-prompt>strong{font-size:9px;line-height:1.8}.example-prompt>span{font-size:7px}.example-prompt svg{width:11px;height:11px}.composer-note>span{max-width:150px;text-align:right}.chat-header .eyebrow{font-size:6px}.scope-bar{font-size:8px}.mode-label{max-width:82px;font-size:7px}.chat-header{gap:8px}.chat-header h1{font-size:23px}.sources-panel{width:min(310px,90vw)}.related-notes>a{gap:10px}.related-notes>a strong{font-size:14px}.article-header h1{font-size:27px}.reading-wrap{padding-left:22px;padding-right:22px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
/* Keep reading text comfortable at every screen size. */
:root{--muted:#69756b}
.page-description{color:#73806b;font-size:13px}
.header-note{color:#7d8b73}
.card-excerpt{font-size:13px;line-height:1.85;color:#69756b}
.card-footer{font-size:11px;color:#7d8973}
.card-tags{font-size:10px;color:#849276}
.category-chip{font-size:10px;color:#6c7f5d}
.catalog-result-line{font-size:11px;color:#7c8b71}
.filter-chip{font-size:12px;color:#758367}
.filter-chip span{font-size:10px}
.sort-control,.sort-control select{font-size:11px;color:#738366}
.panel-description,.source-placeholder{font-size:12px;color:#77876b}
.picker-note{font-size:12px;color:#697b5e}
.picker-note small{font-size:10px;color:#8c987e}
.picker-caption,.picker-search input{font-size:11px;color:#7c8b6f}
.scope-all-button{font-size:12px;color:#6d825c}
.scope-all-button small{font-size:10px;color:#889b77}
.scope-bar{font-size:11px;color:#71855f}
.scope-bar .mode-label{color:#8b9a7c}
.source-card>a{font-size:12px;color:#657f53}
.source-card>p,.source-card>.source-excerpt{font-size:11px;color:#7d8c70}
.chat-empty>p{font-size:13px;color:#7c8c6c}
.example-prompt>span{font-size:10px;color:#7f946b}
.example-prompt>strong{font-size:12px;color:#697d59}
.composer textarea{font-size:14px;color:#506045}
.composer textarea::placeholder{color:#8e9f80}
.composer-bottom>span{font-size:10px;color:#8c9f7c}
.article-meta{font-size:11px;color:#839276}
.article-actions>span:last-child{color:#8b9b7b}
@media(max-width:760px){.page-description{font-size:12px}.card-excerpt{font-size:13px}.card-footer{font-size:11px}.card-tags{font-size:10px}.category-chip{font-size:10px}.filter-chip{font-size:11px}.sort-control,.sort-control select{font-size:11px}.chat-empty>p{font-size:12px}.example-prompt>strong{font-size:12px}.composer textarea{font-size:13px}.scope-bar{font-size:10px}.article-meta{font-size:11px}.composer-bottom>span{font-size:10px}}
@media(max-width:480px){.example-prompts{grid-template-columns:1fr;gap:9px;margin-top:23px}.example-prompt{display:grid;grid-template-columns:minmax(0,1fr) 15px;gap:5px 10px;padding:12px 14px}.example-prompt>span{grid-column:1/-1;font-size:10px}.example-prompt>strong{font-size:12px;line-height:1.8}.example-prompt>svg{align-self:center;grid-column:2;grid-row:2}.chat-empty{margin-top:25px}.chat-empty>p{max-width:290px}.scope-bar .mode-label{font-size:8px}.card-excerpt{-webkit-line-clamp:3}.catalog-filter-row{gap:12px}.filter-chips{max-height:none;overflow:visible}}

/* Obsidian callouts share the article and AI Markdown renderer. */
.prose .callout {
  --callout-accent: #386585;
  --callout-bg: #edf3f7;
  margin: 1.25em 0;
  border: 1px solid color-mix(in srgb, var(--callout-accent) 22%, transparent);
  border-left: 3px solid var(--callout-accent);
  border-radius: 7px;
  background: var(--callout-bg);
  color: var(--text);
  min-width: 0;
  overflow-wrap: anywhere;
}
.prose .callout-warning { --callout-accent: #906112; --callout-bg: #fcf5e6; }
.prose .callout-tip { --callout-accent: #38644e; --callout-bg: #eef5ec; }
.prose .callout-danger { --callout-accent: #a33e38; --callout-bg: #fcf0ee; }
.prose .callout-question { --callout-accent: #846322; --callout-bg: #faf5e8; }
.prose .callout-example { --callout-accent: #70558d; --callout-bg: #f4eff9; }
.prose .callout-quote { --callout-accent: #626d65; --callout-bg: #f0f2ee; }
.prose .callout-title {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 12px 16px;
  color: var(--callout-accent);
  font-weight: 650;
  line-height: 1.65;
}
.prose .callout-title::before {
  content: "i";
  flex: 0 0 17px;
  width: 17px;
  height: 17px;
  border: 1px solid currentColor;
  border-radius: 50%;
  text-align: center;
  font: 700 12px/16px Georgia, serif;
}
.prose .callout-warning > .callout-title::before,
.prose .callout-danger > .callout-title::before { content: "!"; }
.prose .callout-question > .callout-title::before { content: "?"; }
.prose .callout-content { padding: 0 16px 14px; }
.prose .callout-content:empty { display: none; }
.prose .callout-content > :first-child { margin-top: 0; }
.prose .callout-content > :last-child { margin-bottom: 0; }
.prose summary.callout-title { cursor: pointer; list-style: none; }
.prose summary.callout-title::-webkit-details-marker { display: none; }
.prose summary.callout-title::after { content: "▸"; margin-left: auto; flex-shrink: 0; }
.prose details[open] > summary.callout-title::after { transform: rotate(90deg); }
.prose summary.callout-title:focus-visible { outline: 2px solid var(--callout-accent); outline-offset: 2px; }
@media (max-width: 480px) {
  .prose .callout-title { padding: 10px 12px; }
  .prose .callout-content { padding: 0 12px 12px; }
}

/* Preserve all six Markdown heading levels in articles and AI answers. */
.prose :is(h1, h2, h3, h4, h5, h6) {
  color: var(--ink);
  line-height: 1.5;
  font-weight: 650;
  margin: 1.65em 0 .65em;
  scroll-margin-top: 30px;
}
.prose h1 { font-size: 2em; }
.prose h2 { font-size: 1.7em; }
.prose h3 { font-size: 1.45em; }
.prose h4 { font-size: 1.25em; }
.prose h5 { font-size: 1.1em; font-weight: 700; }
.prose h6 { font-size: 1em; font-weight: 700; color: var(--text); }
.prose :is(h1, h2) { padding-bottom: .3em; border-bottom: 1px solid var(--line); }
.prose h1 { border-bottom-width: 2px; }
.note-section + .note-section { border-top: 0; padding-top: 0; margin-top: 0; }
.article-prose > .note-section:first-child > :first-child { margin-top: 0; }
.toc-panel li { font-size: 12px; padding: 5px 0; }
.toc-panel .toc-level-1 { padding-inline-start: 0; font-weight: 650; color: var(--ink); }
.toc-panel .toc-level-2 { padding-inline-start: 10px; font-weight: 600; color: var(--text); }
.toc-panel .toc-level-3 { padding-inline-start: 20px; }
.toc-panel .toc-level-4 { padding-inline-start: 30px; }
.toc-panel .toc-level-5 { padding-inline-start: 40px; }
.toc-panel .toc-level-6 { padding-inline-start: 50px; }
.toc-panel li a { overflow-wrap: anywhere; }
.model-control { display: flex; align-items: center; gap: 8px; min-width: 0; color: var(--muted); font-size: 11px; }
.model-control select { min-width: 0; max-width: 230px; padding: 6px 25px 6px 9px; border: 1px solid var(--line); border-radius: 6px; background: var(--paper, #fafbf7); color: var(--ink); font: inherit; cursor: pointer; }
.model-control select:disabled { cursor: default; opacity: .65; }
.model-control select:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
.message-role .message-model { display: block; text-align: right; letter-spacing: 0; overflow-wrap: anywhere; font-size: 10px; }
.message-role { gap: 12px; }
.scope-bar .mode-label { max-width: 45%; overflow: hidden; text-overflow: ellipsis; }
@media (max-width: 480px) {
  .model-control { gap: 6px; font-size: 10px; }
  .model-control select { max-width: 180px; padding-block: 7px; }
  .model-control > label { display: none; }
  .message-role .message-model { max-width: 55%; font-size: 9px; }
}
@media (max-width: 760px) {
  .prose h1 { font-size: 1.85em; }
  .prose h2 { font-size: 1.6em; }
  .prose h3 { font-size: 1.4em; }
  .prose h4 { font-size: 1.23em; }
}

/* Generated text stays provisional until the final answer and sources validate. */
.answer-preview { min-width: 0; }
.answer-preview-label { margin: 0 0 10px; color: var(--muted); font-size: 11px; }
.answer-preview-content { white-space: normal; overflow-wrap: anywhere; word-break: normal; color: var(--text); font-size: 13px; line-height: 1.85; }
.answer-preview-content::after { content: "▍"; color: var(--accent, #38644e); margin-inline-start: 2px; }

/* Streamdown handles Markdown; the existing prose theme supplies typography. */
.streaming-markdown > :first-child { margin-top: 0; }
.streaming-markdown pre { max-width: 100%; overflow-x: auto; white-space: pre; }
.streaming-markdown .stream-table { max-width: 100%; overflow-x: auto; }
.streaming-markdown .katex-display { max-width: 100%; overflow-x: auto; overflow-y: hidden; }
.streaming-markdown .pending-link { color: inherit; }
.streaming-markdown .pending-image { color: var(--muted); }
.stream-fallback { white-space: pre-wrap; overflow-wrap: anywhere; }

/* Personal blog: a quiet masthead, a journal feed, and reading first. */
:root { --paper: #f8f6f0; --surface: #fcfbf7; --ink: #303c32; --text: #566052; --muted: #747c70; --line: #e2e2d7; --green: #526b48; --green-wash: #ecefe4; }
html { scroll-padding-top: 28px; }
body { font-size: 14px; }
.skip-link { position: fixed; top: -100px; left: 20px; padding: 10px 18px; background: var(--ink); color: white; z-index: 100; }
.skip-link:focus { top: 10px; }
.site-header { max-width: 1240px; margin: 0 auto; min-height: 104px; padding: 0 44px; display: flex; align-items: center; gap: 60px; border-bottom: 1px solid var(--line); }
.site-header .brand { margin: 0; gap: 10px; }
.site-header .brand-mark { font-size: 42px; font-weight: 400; }
.site-header .brand-name { font-family: Georgia, var(--serif); font-size: 24px; font-weight: 500; }
.site-header .brand-name > span { font-family: var(--sans); letter-spacing: 2px; font-size: 9px; }
.site-header .main-nav { display: flex; gap: 25px; margin: 0 0 0 auto; align-items: center; }
.site-header .main-nav > a { padding: 10px 0; font-size: 13px; border-radius: 0; color: #72796c; gap: 7px; border-bottom: 1px solid transparent; }
.site-header .main-nav > a.active { color: var(--ink); border-bottom-color: var(--green); background: transparent; }
.site-header .main-nav > a:hover { color: var(--green); background: transparent; }
.site-header .main-nav .nav-discuss { margin-left: 7px; padding-left: 26px; border-left: 1px solid var(--line); color: #78816e; }
.nav-discuss svg { width: 14px; height: 14px; }
.header-motto { font-family: var(--serif); font-size: 11px; color: #8b907f; letter-spacing: 1px; }
.page-main { margin-left: 0; }
.catalog-wrap { max-width: 1240px; padding: 0 44px 28px; }
.blog-intro { display: grid; grid-template-columns: 1fr 270px; gap: 40px; padding: 62px 0 58px; align-items: center; border-bottom: 1px solid var(--line); }
.eyebrow { color: #858e76; font-size: 9px; letter-spacing: 2px; }
.intro-greeting { font-family: var(--serif); font-size: 15px; margin: 25px 0 13px; color: #67745c; }
.blog-intro h1 { font-family: var(--serif); font-size: clamp(30px, 3.1vw, 43px); font-weight: 500; line-height: 1.65; letter-spacing: 2px; margin: 0 0 19px; }
.intro-description { font-size: 13px; line-height: 2; color: #7c8374; margin: 0 0 24px; }
.intro-link { display: inline-flex; align-items: center; gap: 20px; font-size: 11px; color: var(--green); }
.intro-link svg { width: 17px; }
.intro-art { position: relative; height: 265px; overflow: hidden; }
.sun-disc { position: absolute; width: 150px; height: 150px; border-radius: 50%; background: #e5d9b7; top: 15px; left: 64px; }
.art-line { position: absolute; width: 340px; height: 180px; border: 1px solid #a9b395; border-radius: 50%; transform: rotate(-21deg); left: 4px; top: 103px; }
.line-two { top: 117px; left: -12px; border-color: #bcc2ac; }
.line-three { top: 132px; left: -29px; border-color: #d1d4c1; }
.art-caption { position: absolute; bottom: 2px; right: 9px; padding: 8px 0 0 15px; background: var(--paper); font-family: var(--serif); font-size: 10px; line-height: 2; letter-spacing: 2px; color: #8a927a; text-align: right; }
.blog-columns { display: grid; grid-template-columns: minmax(0, 1fr) 240px; gap: 72px; padding-top: 46px; }
.blog-feed { min-width: 0; }
.feed-heading { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin-bottom: 23px; }
.feed-heading h2 { font-family: var(--serif); font-size: 25px; font-weight: 500; letter-spacing: 1px; margin: 8px 0 0; }
.feed-caption { font-family: var(--serif); font-size: 11px; color: #8a917f; padding-top: 18px; }
.catalog-toolbar { padding: 0 0 18px; border-top: 0; }
.search-field { border-radius: 3px; background: transparent; }
.search-field input { font-size: 12px; padding: 10px 0; }
.catalog-filter-row { margin-top: 13px; gap: 10px; }
.filter-chip { font-size: 11px; padding: 4px 8px; }
.filter-chip.active { color: var(--green); background: #e7ecdf; }
.catalog-result-line { margin: 18px 0 0; font-size: 10px; color: #8a927f; }
.article-grid { display: block; }
.note-card { position: relative; display: flex; min-height: 0; padding: 28px 0 25px; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; background: transparent; transition: none; }
.note-card:hover { transform: none; box-shadow: none; border-color: #c7ceba; }
.card-top { justify-content: flex-start; gap: 14px; margin-bottom: 10px; }
.category-chip { font-size: 10px; background: #eaeede; color: #72805f; padding: 2px 7px; border-radius: 2px; }
.card-number { font-size: 10px; color: #9ca68c; }
.note-card h2 { font-size: 23px; font-weight: 500; letter-spacing: .3px; margin-bottom: 10px; }
.note-card h2 a:hover { color: var(--green); }
.card-excerpt { font-size: 13px; color: #7c8375; line-height: 1.95; -webkit-line-clamp: 2; margin: 0 0 14px; }
.card-tags { font-size: 10px; margin: 0 0 11px; color: #929b85; min-height: 0; }
.card-tags:empty { display: none; }
.card-footer { border-top: 0; padding-top: 0; font-size: 10px; color: #89927d; }
.card-arrow { gap: 9px; align-items: center; font-size: 10px; color: #728161; }
.card-arrow:before { content: '阅读全文'; }
.blog-aside { min-width: 0; padding-top: 5px; }
.about-card { scroll-margin-top: 30px; padding-bottom: 31px; border-bottom: 1px solid var(--line); }
.author-monogram { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%; background: #e9ecdf; color: #647956; font: italic 25px Georgia, serif; margin-bottom: 24px; }
.about-card .eyebrow { font-size: 7px; letter-spacing: 1.3px; }
.blog-aside h2 { font-family: var(--serif); font-weight: 500; font-size: 18px; margin: 10px 0 14px; }
.blog-aside p { font-size: 12px; line-height: 2; color: #7a8370; margin-bottom: 13px; }
.author-signature { display: block; font: italic 24px Georgia, serif; color: #7e8b6d; margin-top: 20px; }
.blog-categories { padding: 27px 0; border-bottom: 1px solid var(--line); }
.aside-heading { display: flex; align-items: center; justify-content: space-between; }
.aside-heading h2 { font-size: 16px; margin: 0 0 15px; }
.aside-heading > span { font-size: 8px; letter-spacing: 1px; color: #959d88; margin-bottom: 15px; }
.subject-link { padding: 9px 0; font-size: 12px; color: #717d63; }
.subject-link > span:last-child { font-size: 10px; color: #8e997f; }
.reading-companion { padding-top: 28px; }
.reading-companion h2 { font-size: 16px; }
.reading-companion a { display: inline-flex; align-items: center; gap: 13px; font-size: 11px; color: #6e805c; }
.reading-companion svg { width: 15px; }
.page-footer { margin-top: 50px; padding-top: 23px; font-size: 10px; color: #8b937f; }
.reading-wrap { max-width: 1100px; padding: 36px 44px 70px; }
.breadcrumb { font-size: 11px; margin-bottom: 30px; }
.reading-layout { grid-template-columns: minmax(0, 740px) 180px; gap: 55px; }
.article-header { padding-bottom: 26px; }
.article-header h1 { font-size: 36px; font-weight: 500; }
.article-prose { font-size: 16px; line-height: 2.05; padding-top: 20px; }
.article-discussion { display: flex; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 26px 0; margin-top: 48px; }
.article-discussion h2 { font-family: var(--serif); font-size: 20px; font-weight: 500; margin: 10px 0 8px; }
.article-discussion p { color: #7c8771; font-size: 12px; margin: 0; }
.article-end { padding: 32px 0; }
.toc-panel { top: 30px; }
.toc-panel li { font-size: 11px; }
.chat-main { height: calc(100dvh - 104px); min-height: 600px; max-width: 1240px; margin: 0 auto; border-inline: 1px solid var(--line); }
.chat-layout { grid-template-columns: minmax(0, 1fr) 295px; }
.chat-header h1 { font-size: 24px; }
.chat-empty { margin-top: 48px; }
.chat-empty h2 { font-size: 29px; }
.chat-empty .empty-symbol { width: 36px; height: 36px; background: transparent; border: 0; margin-bottom: 15px; }
.session-nav { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--line); }
.mobile-bar { display: none; }
@media (max-width: 1100px) {
  .site-header { gap: 30px; }
  .header-motto { display: none; }
  .blog-columns { gap: 42px; grid-template-columns: minmax(0, 1fr) 215px; }
  .reading-layout { gap: 30px; }
}
@media (max-width: 1050px) {
  .chat-layout, .reading-layout { grid-template-columns: minmax(0, 1fr); }
  .sources-panel { top: 104px; height: calc(100dvh - 104px); }
}
@media (max-width: 760px) {
  .site-header { min-height: 85px; padding: 0 24px; gap: 20px; }
  .site-header .main-nav { gap: 18px; }
  .site-header .main-nav > a { font-size: 12px; }
  .site-header .main-nav .nav-discuss { padding-left: 16px; margin-left: 0; }
  .site-header .brand-name { font-size: 21px; }
  .site-header .brand-name > span { font-size: 8px; letter-spacing: 1px; }
  .site-header .brand-mark { display: none; }
  .catalog-wrap { padding: 0 24px 24px; }
  .blog-intro { grid-template-columns: minmax(0, 1fr) 150px; padding: 42px 0; gap: 10px; }
  .blog-intro h1 { font-size: 29px; letter-spacing: 1px; }
  .intro-art { height: 225px; }
  .sun-disc { width: 110px; height: 110px; left: 20px; top: 30px; }
  .art-line { width: 240px; height: 140px; }
  .art-caption { font-size: 8px; letter-spacing: 1px; }
  .blog-columns { grid-template-columns: minmax(0, 1fr); padding-top: 30px; gap: 35px; }
  .blog-aside { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; border-top: 1px solid var(--line); padding-top: 30px; }
  .about-card { grid-row: span 2; border: 0; padding-bottom: 0; }
  .blog-categories { padding-top: 0; padding-bottom: 15px; }
  .reading-companion { padding-top: 0; }
  .feed-caption { font-size: 10px; }
  .note-card { padding: 25px 0; }
  .note-card h2 { font-size: 22px; }
  .page-footer { flex-wrap: wrap; margin-top: 30px; }
  .reading-wrap { padding: 27px 24px 50px; }
  .reading-layout { grid-template-columns: minmax(0, 1fr); }
  .article-header h1 { font-size: 29px; }
  .article-prose { font-size: 15px; }
  .article-discussion { flex-wrap: wrap; }
  .chat-main { height: calc(100dvh - 85px); min-height: 0; }
  .chat-layout { grid-template-columns: minmax(0, 1fr); }
  .conversation { padding-top: 22px; }
  .sources-panel { top: 85px; height: calc(100dvh - 85px); z-index: 40; }
  .chat-empty { margin-top: 28px; }
  .chat-header-actions .back-to-blog { display: none; }
}
@media (max-width: 480px) {
  .site-header { min-height: 76px; padding-inline: 20px; gap: 15px; }
  .site-header .brand-name { font-size: 21px; }
  .site-header .main-nav { gap: 14px; }
  .site-header .main-nav > a { font-size: 11px; }
  .site-header .main-nav .nav-discuss { padding-left: 13px; font-size: 10px; }
  .nav-discuss svg { display: none; }
  .catalog-wrap { padding-inline: 22px; }
  .blog-intro { grid-template-columns: minmax(0, 1fr); padding: 36px 0; }
  .intro-art { display: none; }
  .intro-greeting { margin-top: 23px; font-size: 14px; }
  .blog-intro h1 { font-size: 29px; }
  .intro-description { font-size: 12px; margin-bottom: 22px; }
  .feed-heading h2 { font-size: 23px; }
  .feed-caption { display: none; }
  .catalog-filter-row { flex-direction: column; }
  .sort-control { align-self: flex-end; }
  .blog-aside { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .about-card { grid-row: auto; border-bottom: 1px solid var(--line); padding-bottom: 24px; }
  .author-monogram { float: right; margin-left: 12px; }
  .blog-aside p { max-width: 340px; }
  .reading-companion { max-width: 320px; }
  .page-footer > span:nth-child(2) { display: none; }
  .page-footer a { margin-left: auto; }
  .chat-main { height: calc(100dvh - 76px); }
  .sources-panel { top: 76px; height: calc(100dvh - 76px); }
  .conversation { padding-inline: 20px; }
  .example-prompts { grid-template-columns: 1fr; }
  .chat-empty h2 { font-size: 26px; }
  .chat-empty { margin-bottom: 20px; }
}