.pub-page { padding-bottom: var(--sp-7); }
.pub-head { padding-block: clamp(56px, 9vw, 112px) var(--sp-6); row-gap: var(--sp-4); }
.pub-head .band { align-items: first baseline; }
.pub-head .rail { display:grid; gap:10px; padding-top:.9em; align-content:start; }
.pub-head h1 { font-family:var(--serif); font-size:clamp(2.1rem,4.4vw,3rem); line-height:1.2; letter-spacing:.04em; font-weight:600; }
.pub-head .lede { color:var(--muted); font-size:var(--fs-lg); margin-top:var(--sp-3); max-width:34em; line-height:1.75; }
.pub-head .aside { align-self:end; justify-self:end; text-align:right; }
.pub-head .aside p { margin-top:0; }
.pub-quiet { color:var(--faint); font-size:var(--fs-sm); }
.pub-link { color:var(--accent); text-decoration:none; text-underline-offset:4px; }
.pub-link:hover { text-decoration:underline; }
.pub-text-button { padding:0; border:0; background:none; color:var(--muted); cursor:pointer; font:inherit; text-underline-offset:4px; }
.pub-text-button:hover { color:var(--accent); text-decoration:underline; }
.pub-section { padding-top:var(--sp-6); }
.pub-section-head { padding-block:var(--sp-5) var(--sp-4); align-items:baseline; }
.pub-section-head h2 { font-family:var(--serif); font-size:var(--fs-xl); letter-spacing:.04em; }
.pub-section-head .aside { text-align:right; justify-self:end; font-size:var(--fs-sm); }
.pub-section-head a { color:var(--muted); text-decoration:none; }
.pub-section-head a:hover { color:var(--accent); }
.pub-entries { grid-column:wide; display:grid; grid-template-columns:subgrid; padding:0; list-style:none; }
.pub-entry { position:relative; grid-column:wide; display:grid; grid-template-columns:subgrid; align-items:start; padding-block:var(--sp-6); border-top:1px solid var(--line); }
.pub-entry::before, .pub-note::before, .pub-hit::before { content:""; position:absolute; left:0; top:-3px; width:5px; height:5px; background:var(--accent); border-radius:50%; opacity:0; box-shadow:0 0 10px 1px color-mix(in oklab,var(--accent) 55%,transparent); transition:opacity var(--t-fast); }
.pub-entry:hover::before, .pub-entry:focus-within::before, .pub-note:hover::before, .pub-note:focus-within::before, .pub-hit:hover::before, .pub-hit:focus-within::before { opacity:1; }
.pub-date { grid-column:rail; display:grid; gap:2px; align-content:start; color:var(--faint); font-family:var(--mono); font-size:var(--fs-xs); font-variant-numeric:tabular-nums; padding-top:5px; }
.pub-date b { color:var(--muted); font-family:var(--serif); font-size:var(--fs-lg); font-weight:400; letter-spacing:.02em; }
.pub-date a { text-decoration:none; }
.pub-entry-body { grid-column:main; display:grid; gap:var(--sp-3); min-width:0; }
.pub-entry h2 { font-family:var(--serif); font-size:1.45rem; line-height:1.5; font-weight:600; letter-spacing:.01em; }
.pub-entry h2 a { text-decoration:none; }
.pub-entry h2 a:hover { color:var(--accent); }
.pub-entry-excerpt { color:var(--muted); line-height:1.85; }
.pub-meta { display:flex; flex-wrap:wrap; gap:var(--sp-2) var(--sp-4); align-items:center; color:var(--faint); font-size:var(--fs-xs); }
.pub-meta a { text-decoration:none; }
.pub-meta a:hover { color:var(--accent); }
.pub-tags { display:flex; flex-wrap:wrap; gap:var(--sp-2) var(--sp-4); }
.pub-entry-cover { grid-column:aside; position:relative; aspect-ratio:3/2; overflow:hidden; border-radius:var(--r-sm); background:var(--surface-2); }
.pub-entry-cover img { width:100%; height:100%; object-fit:cover; transition:transform var(--t-mid) var(--ease); }
.pub-entry-cover:hover img { transform:scale(1.035); }
.pub-home-lead { padding-bottom:var(--sp-5); }
.pub-home-lead .pub-head { padding-bottom:var(--sp-6); }
.pub-home-lead .pub-head h1 { font-weight:400; letter-spacing:.1em; }
.pub-home-phrase { font-family:var(--serif); font-size:clamp(1.15rem,2.6vw,1.5rem); color:var(--muted); line-height:1.9; }
.pub-home-topics { display:grid; gap:var(--sp-3); margin-top:var(--sp-2); }
.pub-home-aside-note { font-size:var(--fs-sm); line-height:1.85; color:var(--muted); display:-webkit-box; -webkit-line-clamp:6; -webkit-box-orient:vertical; overflow:hidden; }
.pub-home-aside-note p + p { margin-top:var(--sp-2); }
.pub-home-latest-note { padding-block:var(--sp-5); border-top:1px solid var(--line); border-bottom:1px solid var(--line); align-items:start; }
.pub-home-latest-note .pub-note-line { color:var(--muted); display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.pub-home-latest-note .pub-note-line p { display:inline; }
.pub-home-latest-note .aside { text-align:right; display:grid; gap:var(--sp-2); }
.pub-home-latest-note .aside a { font-size:var(--fs-xs); text-decoration:none; color:var(--muted); }
.pub-list-end { padding-block:var(--sp-6); border-top:1px solid var(--line); display:flex; gap:var(--sp-5); align-items:center; justify-content:space-between; }
.pub-list-end p { font-family:var(--serif); font-size:11px; letter-spacing:.22em; color:var(--faint); }
.pub-list-end a { font-size:var(--fs-sm); color:var(--accent); text-decoration:none; }
.pub-filter { padding-block:var(--sp-4) var(--sp-5); border-top:1px solid var(--line); display:flex; flex-wrap:wrap; gap:var(--sp-3) var(--sp-5); align-items:center; }
.pub-empty { padding:var(--sp-7) 0; display:grid; gap:var(--sp-3); }
.pub-empty h2, .pub-empty h3 { font-family:var(--serif); font-size:var(--fs-xl); }
.pub-empty p { color:var(--muted); }
.pub-article-head { padding-bottom:var(--sp-6); }
.pub-article-head h1 { font-size:var(--fs-3xl); line-height:1.45; letter-spacing:.02em; }
.pub-breadcrumb { display:flex; flex-wrap:wrap; gap:var(--sp-2); margin-bottom:var(--sp-4); color:var(--faint); font-size:var(--fs-xs); }
.pub-breadcrumb a { text-decoration:none; }
.pub-breadcrumb a:hover { color:var(--accent); }
.pub-article-head .pub-meta { margin-top:var(--sp-5); }
.pub-article-cover { grid-column:main-start/aside-end; margin-block:0 var(--sp-7); }
.pub-article-cover button { display:block; width:100%; border:0; padding:0; border-radius:var(--r-md); overflow:hidden; cursor:zoom-in; background:var(--surface-2); }
.pub-article-cover img { width:100%; aspect-ratio:21/9; object-fit:cover; }
.pub-reading { align-items:start; }
.pub-prose { grid-column:main; min-width:0; font-size:var(--fs-read); line-height:1.95; overflow-wrap:anywhere; }
.pub-prose > * + * { margin-top:1.25em; }
.pub-prose h2, .pub-prose h3, .pub-prose h4 { font-family:var(--serif); letter-spacing:.025em; scroll-margin-top:90px; }
.pub-prose h2 { font-size:1.6rem; margin-top:2.6em; padding-top:.3em; }
.pub-prose h3 { font-size:1.2rem; margin-top:1.8em; }
.pub-prose h4 { font-size:1.05rem; }
.pub-prose > h2:first-child { margin-top:0; }
.pub-prose a { color:var(--accent); text-underline-offset:4px; }
.pub-prose blockquote { padding-left:var(--sp-5); border-left:2px solid var(--line-strong); color:var(--muted); font-family:var(--serif); }
.pub-prose ul, .pub-prose ol { padding-left:1.5em; }
.pub-prose li + li { margin-top:.3em; }
.pub-prose code { font-family:var(--mono); font-size:.83em; background:var(--surface-2); border-radius:var(--r-xs); padding:.12em .35em; }
.pub-prose pre { position:relative; background:var(--surface-2); border:1px solid var(--line); border-radius:var(--r-md); padding:var(--sp-5); overflow:auto; line-height:1.75; max-width:100%; }
.pub-prose pre code { padding:0; background:none; font-size:.82em; white-space:pre; }
.pub-prose img { width:100%; border-radius:var(--r-sm); }
.pub-prose table { border-collapse:collapse; width:100%; font-size:var(--fs-sm); }
.pub-prose table th, .pub-prose table td { text-align:left; padding:var(--sp-3); border-bottom:1px solid var(--line); }
.pub-prose table th { color:var(--muted); font-weight:500; border-top:1px solid var(--line); }
.pub-prose .table-wrap { overflow-x:auto; }
.pub-prose .math, .pub-prose math[display="block"] { display:block; text-align:center; padding:var(--sp-5); overflow-x:auto; font-family:var(--serif); background:var(--surface-2); border-radius:var(--r-sm); }
.pub-stale { display:flex; align-items:baseline; gap:var(--sp-3); font-size:var(--fs-sm); padding:var(--sp-4) 0; margin-bottom:var(--sp-6); border-top:1px solid var(--line); border-bottom:1px solid var(--line); color:var(--muted); }
.pub-stale::before { content:"i"; flex:none; display:grid; place-items:center; width:16px; height:16px; border:1px solid var(--faint); border-radius:50%; font:11px var(--serif); color:var(--faint); }
.pub-toc { grid-column:aside; position:sticky; top:calc(var(--nav-h) + 36px); font-size:var(--fs-xs); color:var(--faint); }
.pub-toc-head { display:flex; justify-content:space-between; align-items:center; margin-bottom:var(--sp-5); }
.pub-toc ol { padding:0; list-style:none; display:grid; gap:var(--sp-3); border-left:1px solid var(--line); }
.pub-toc li { position:relative; padding-left:var(--sp-4); }
.pub-toc li.pub-toc-sub { padding-left:var(--sp-5); font-size:11px; }
.pub-toc a { text-decoration:none; display:block; color:inherit; line-height:1.6; transition:color var(--t-fast); }
.pub-toc a:hover, .pub-toc a.is-active { color:var(--accent); }
.pub-toc-progress { margin-top:var(--sp-6); padding-top:var(--sp-3); border-top:1px solid var(--line); font-family:var(--mono); font-size:10px; }
.pub-toc-sheet { border:1px solid var(--line); padding:0; border-radius:var(--r-lg) var(--r-lg) 0 0; background:var(--bg); color:var(--fg); width:100%; max-width:100%; max-height:70svh; margin:auto 0 0; }
.pub-toc-sheet::backdrop { background:color-mix(in oklab, var(--night) 44%, transparent); backdrop-filter:blur(2px); }
.pub-toc-sheet header { display:flex; align-items:center; justify-content:space-between; padding:var(--sp-4) var(--sp-5); border-bottom:1px solid var(--line); }
.pub-toc-sheet nav { padding:var(--sp-5); }
.pub-toc-sheet ol { list-style:none; padding:0; display:grid; gap:var(--sp-3); }
.pub-toc-sheet a { color:var(--muted); text-decoration:none; }
.pub-colophon { padding-block:var(--sp-7); margin-top:var(--sp-7); border-top:1px solid var(--line); align-items:start; }
.pub-colophon dl { display:grid; grid-template-columns:6rem 1fr; gap:var(--sp-3) var(--sp-4); font-size:var(--fs-sm); }
.pub-colophon dt { color:var(--faint); }
.pub-colophon .aside { font-size:var(--fs-xs); color:var(--faint); }
.pub-colophon .pub-tags { margin-top:var(--sp-5); }
.pub-comments { grid-column:wide; display:grid; grid-template-columns:subgrid; }
.pub-comments > * { grid-column:main; min-width:0; }
.pub-comments > .band { grid-column:wide; padding-top:var(--sp-8); padding-bottom:var(--sp-4); }
.pub-notes { grid-column:wide; display:grid; grid-template-columns:subgrid; padding:0; list-style:none; }
.pub-note { position:relative; grid-column:wide; display:grid; grid-template-columns:subgrid; align-items:start; padding-block:var(--sp-6); border-top:1px solid var(--line); }
.pub-note-body { grid-column:main; display:grid; gap:var(--sp-3); min-width:0; }
.pub-note-text { font-size:var(--fs-read); line-height:1.8; overflow-wrap:anywhere; }
.pub-note .pub-note-text > * + *, .pub-note .pub-note-text p + p { margin-top:.7em; }
.pub-note-text a { color:var(--accent); text-underline-offset:3px; }
.pub-note-text ul { padding-left:1.3em; }
.pub-note-text li + li { margin-top:.3em; }
.pub-note-text code { font-family:var(--mono); font-size:.86em; padding:.12em .38em; border-radius:var(--r-xs); background:var(--surface-2); overflow-wrap:anywhere; }
.pub-note-acts { display:flex; flex-wrap:wrap; gap:var(--sp-1) var(--sp-5); margin-top:var(--sp-1); }
.pub-note-acts :is(a,button) { border:0; background:none; padding:var(--sp-1) 0; font-size:var(--fs-xs); color:var(--faint); letter-spacing:.04em; cursor:pointer; display:inline-flex; gap:var(--sp-1); align-items:baseline; text-decoration:none; transition:color var(--t-fast); }
.pub-note-acts :is(a,button):is(:hover,:focus-visible) { color:var(--accent); }
.pub-note-acts .num { font-family:var(--mono); font-size:10.5px; }
.pub-note > .pub-date { padding-top:3px; }
.pub-note > .pub-date b { line-height:1.2; }
.pub-note:hover .pub-date b, .pub-note:focus-within .pub-date b { color:var(--fg); }
.pub-note .pub-date a:hover b { text-decoration:underline; text-decoration-thickness:1px; text-underline-offset:4px; }
.notes-frame { padding-bottom:var(--sp-8); }
.notes-timeline, .note-year-group { grid-column:wide; display:grid; grid-template-columns:subgrid; }
.note-year { grid-column:wide; padding-block:var(--sp-7) var(--sp-4); }
.note-year-group:first-child .note-year { padding-top:var(--sp-2); }
.note-year h2 { font-family:var(--serif); font-size:var(--fs-2xl); font-weight:600; letter-spacing:.04em; line-height:1.2; font-variant-numeric:tabular-nums; }
.pub-note-acts a { text-decoration:none; color:var(--faint); }
.pub-note-acts a:hover { color:var(--accent); }
.pub-note-gallery { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:var(--sp-2); }
.pub-note-gallery.is-one { grid-template-columns:minmax(0,24rem); }
.pub-note-gallery.is-two { grid-template-columns:repeat(2,minmax(0,1fr)); }
.pub-note-gallery button { border:0; padding:0; overflow:hidden; border-radius:var(--r-sm); background:var(--surface-2); cursor:zoom-in; aspect-ratio:1; position:relative; }
.pub-note-gallery.is-one button { aspect-ratio:4/3; }
.pub-note-gallery img { width:100%; height:100%; object-fit:cover; transition:transform var(--t-mid); }
.pub-note-gallery button:hover img { transform:scale(1.03); }
.pub-topic-group { grid-column:wide; display:grid; grid-template-columns:subgrid; padding-block:var(--sp-6); border-top:1px solid var(--line); }
.pub-topic-group .rail { padding-top:var(--sp-2); }
.pub-topic-group .rail h2 { font-family:var(--serif); font-size:var(--fs-lg); }
.pub-topic-grid { grid-column:main-start/aside-end; display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:var(--sp-5) var(--sp-6); }
.pub-topic-item { display:flex; align-items:baseline; justify-content:space-between; gap:var(--sp-3); padding-bottom:var(--sp-3); border-bottom:1px solid var(--line); text-decoration:none; }
.pub-topic-item b { font-family:var(--serif); font-size:var(--fs-lg); font-weight:400; }
.pub-topic-item:hover { color:var(--accent); }
.pub-tag-cloud { grid-column:main-start/aside-end; display:flex; flex-wrap:wrap; gap:var(--sp-4) var(--sp-5); padding-top:var(--sp-2); }
.pub-search-form { display:grid; grid-template-columns:24px minmax(0,1fr) auto; gap:var(--sp-4); align-items:center; padding-bottom:var(--sp-3); border-bottom:1px solid var(--line-strong); }
.pub-search-form:focus-within { border-bottom-color:var(--accent); }
.pub-search-form svg { width:22px; height:22px; color:var(--faint); }
.pub-search-form input { width:100%; min-width:0; padding:var(--sp-2) 0; border:0; background:none; font-family:var(--serif); font-size:clamp(1.5rem,3.5vw,2rem); color:var(--fg); }
.pub-search-form input:focus-visible { box-shadow:none; }
.pub-search-form input::-webkit-search-cancel-button { display:none; }
.pub-search-form button { border:0; background:none; color:var(--faint); cursor:pointer; font-size:var(--fs-xs); padding:var(--sp-2) 0; }
.pub-search-scope { display:flex; flex-wrap:wrap; gap:var(--sp-5); margin-top:var(--sp-4); }
.pub-search-results { grid-column:wide; display:grid; grid-template-columns:subgrid; }
.pub-search-results > .pub-empty { grid-column:main; }
.pub-hit { position:relative; grid-column:wide; display:grid; grid-template-columns:subgrid; border-top:1px solid var(--line); padding-block:var(--sp-5); align-items:baseline; }
.pub-hit-kind { grid-column:rail; display:grid; gap:var(--sp-2); }
.pub-hit-body { grid-column:main; display:grid; gap:var(--sp-2); }
.pub-hit-body h2 { font-family:var(--serif); font-size:var(--fs-lg); }
.pub-hit-body h2 a { text-decoration:none; }
.pub-hit-body h2 a:hover { color:var(--accent); }
.pub-hit-body p { font-size:var(--fs-sm); color:var(--muted); line-height:1.9; }
.pub-hit-body mark { background:linear-gradient(transparent 55%,var(--accent-soft) 55%); color:var(--fg); }
@media(min-width:1080px) {
  .pub-entry-cover { grid-row:1; }
  .pub-entry-body { grid-row:1; }
  .pub-date { grid-row:1; }
}
@media(max-width:1079px) {
  .pub-entry-cover { grid-column:main; grid-row:1; aspect-ratio:16/9; margin-bottom:var(--sp-5); }
  .pub-entry-body { grid-column:main; grid-row:2; }
  .pub-entry .pub-date { grid-row:1/span 2; }
  .pub-entry:not(:has(.pub-entry-cover)) .pub-entry-body { grid-row:1; }
  .pub-head .aside { justify-self:start; text-align:left; margin-top:var(--sp-4); }
  .pub-home-topics { display:flex; flex-wrap:wrap; gap:var(--sp-3); }
  .pub-section-head .aside { grid-column:main; grid-row:1; justify-self:end; }
  .pub-section-head.home-with-note .home-note-aside { grid-column:main; grid-row:2; justify-self:stretch; }
  .pub-home-latest-note .aside { text-align:left; margin-top:var(--sp-3); display:flex; gap:var(--sp-4); }
  .pub-article-cover { grid-column:main; }
  .pub-article-cover img { aspect-ratio:16/9; }
  .pub-toc { display:none; }
  .pub-colophon .aside { margin-top:var(--sp-5); }
  .pub-topic-grid { grid-column:main; }
  .pub-topic-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
}
@media(max-width:719px) {
  .pub-head { padding-block:var(--sp-7) var(--sp-6); }
  .pub-head .rail { display:flex; flex-wrap:wrap; align-items:center; padding-top:0; margin-bottom:var(--sp-3); }
  .pub-head .lede { font-size:var(--fs-md); margin-top:var(--sp-3); }
  .pub-head .aside { margin-top:var(--sp-4); }
  .pub-entry { padding-block:var(--sp-5); }
  .pub-entry .pub-date { grid-row:auto; display:flex; gap:var(--sp-2); align-items:baseline; margin-bottom:var(--sp-3); padding-top:0; }
  .pub-date b { font-size:var(--fs-md); }
  .pub-entry-cover { grid-row:auto; order:1; margin-bottom:var(--sp-4); }
  .pub-entry-body { grid-row:auto!important; order:2; }
  .pub-entry h2 { font-size:1.3rem; }
  .pub-entry-excerpt { font-size:var(--fs-sm); }
  .pub-section { padding-top:var(--sp-4); }
  .pub-section-head { padding-top:var(--sp-6); }
  .pub-section-head .rail { grid-row:1; margin-bottom:var(--sp-3); }
  .pub-section-head h2 { grid-row:2; }
  .pub-section-head .aside { grid-row:2; }
  .pub-section-head.home-with-note .home-section-heading { grid-row:2; }
  .pub-section-head.home-with-note .home-note-aside { grid-row:3; }
  .pub-home-latest-note .rail { margin-bottom:var(--sp-3); }
  .pub-home-latest-note .aside { margin-top:var(--sp-3); }
  .pub-filter { gap:var(--sp-3) var(--sp-4); }
  .pub-article-cover { margin-bottom:var(--sp-6); }
  .pub-article-head h1 { font-size:1.9rem; }
  .pub-article-head .pub-meta { margin-top:var(--sp-4); }
  .pub-article-cover img { aspect-ratio:16/10; }
  .pub-prose { font-size:1rem; }
  .pub-prose h2 { font-size:1.4rem; }
  .pub-prose pre { padding:var(--sp-4); }
  .pub-colophon { margin-top:var(--sp-6); padding-block:var(--sp-6); }
  .pub-colophon .rail { margin-bottom:var(--sp-4); }
  .pub-comments .band .rail { margin-bottom:var(--sp-3); }
  .pub-note .pub-date { display:flex; gap:var(--sp-3); align-items:baseline; padding-top:0; margin-bottom:var(--sp-3); }
  .pub-note-text { font-size:var(--fs-md); }
  .pub-note-gallery { gap:var(--sp-1); }
  .pub-topic-group .rail { display:flex; align-items:baseline; gap:var(--sp-3); margin-bottom:var(--sp-5); }
  .pub-topic-grid { gap:var(--sp-4) var(--sp-5); }
  .pub-topic-item b { font-size:var(--fs-md); }
  .pub-hit-kind { display:flex; gap:var(--sp-3); margin-bottom:var(--sp-2); }
}
@media(prefers-reduced-motion:reduce) {
  .pub-entry-cover img, .pub-note-gallery img { transition:none; }
}
/* Site chrome and progressive controls. */
body { overflow-x:clip; -webkit-user-select:none; user-select:none; }
/* 阅读内容可选取；控件、导航与元信息沿用页面的不可选状态。 */
.pub-prose,
.pub-entry h2,
.pub-entry-excerpt,
.pub-article-head h1,
.pub-article-head .lede,
[data-page="page"] .pub-head h1,
[data-page="page"] .pub-head .lede,
.pub-note-line,
.pub-home-aside-note,
.remark__text,
.archive-entry-title,
.pub-hit-body h2,
.pub-hit-body > p:not(.pub-quiet),
.site__desc,
.drift__title,
.drift__sum,
input,
textarea,
[contenteditable]:not([contenteditable="false"]) { -webkit-user-select:text; user-select:text; }
/* 正文中的复制工具与状态提示仍属 UI，不随正文恢复选择。 */
.pub-prose :is(button, [role="button"], label, .code__bar, .code-copy, .pub-stale),
input:is([type="button"], [type="submit"], [type="reset"]) { -webkit-user-select:none; user-select:none; }
.site-header { position:sticky;top:env(safe-area-inset-top,0px);z-index:40;border-bottom:1px solid transparent;background:color-mix(in oklab,var(--bg) 84%,transparent);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px) }
.site-header-inner { display:flex;align-items:center;gap:var(--sp-5);height:var(--nav-h) }
.brand { display:inline-flex;align-items:baseline;gap:10px;text-decoration:none;white-space:nowrap }
.brand b { font-family:var(--serif);font-weight:600;font-size:1.1rem;letter-spacing:.12em }
.brand span { font-family:var(--serif);font-size:.7rem;letter-spacing:.22em;text-transform:uppercase;color:var(--faint) }
.site-links { display:flex;gap:4px;align-items:center;min-width:0 }
.site-links a { display:block;padding:6px 10px;border-radius:var(--r-sm);text-decoration:none;color:var(--muted);font-size:var(--fs-sm);position:relative;white-space:nowrap }
.site-links a:hover, .site-links a[aria-current] { color:var(--fg) }
.header-actions { margin-left:auto;display:flex;gap:4px;align-items:center }
.icon-button { display:grid;place-items:center;padding:6px;border:0;background:none;color:var(--muted);cursor:pointer }
.icon-button svg, .mobile-menu svg { width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round }
.mobile-menu { display:none }
.site-footer { width:100%; margin-top:var(--sp-9); padding-block:var(--sp-7) calc(var(--sp-7) + env(safe-area-inset-bottom,0px)); position:relative; color:var(--faint); font-size:var(--fs-sm); --frame-w:calc(var(--rail) + var(--w-col) + var(--aside) + 2 * var(--col-gap)); }
.site-footer::before { content:''; position:absolute; top:0; height:1px; background:var(--line); left:max(var(--gutter-l),calc((100% - var(--frame-w)) / 2)); right:max(var(--gutter-r),calc((100% - var(--frame-w)) / 2)); }
.site-footer-inner { display:grid; gap:var(--sp-5); grid-template-columns:1fr; }
.site-footer-brand { display:grid; gap:12px; }
.site-footer-links { display:flex; flex-wrap:wrap; gap:var(--sp-3) var(--sp-5); }
.site-footer a { color:var(--muted); text-decoration:none; transition:color var(--t-fast); }
.site-footer a:hover { color:var(--fg); }
.site-footer-legal { display:flex; flex-wrap:wrap; gap:var(--sp-2) var(--sp-4); font-size:var(--fs-xs); }
@media(min-width:720px) {
  .site-footer-inner { grid-template-columns:1fr auto; align-items:end; }
}
@media(max-width:719px) {
  .brand span { display:none; }
}
.home-description { color:var(--faint);font-size:var(--fs-sm);max-width:34em;margin-top:var(--sp-4) }
.filter-end { margin-left:auto }
.pub-date time { display:grid;gap:3px }
.pub-article-cover>a { display:block;border-radius:var(--r-md);overflow:hidden;cursor:zoom-in }
.pub-prose h5, .pub-prose h6 { font-family:var(--serif);scroll-margin-top:100px;margin-top:1.8em }
.pub-prose h1 { font-size:1.8rem }
.pub-prose table { display:block;overflow:auto }
.pub-prose .chroma { border:0;margin:0;background:transparent }
.pub-prose .highlight { background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden }
.pub-prose .highlight pre { margin:0;border:0 }
.pub-prose .math[data-display="false"] { display:inline;background:none;padding:0 }
.pub-prose .math[data-display="true"] { display:block;text-align:center;padding:var(--sp-5);overflow-x:auto;margin-block:var(--sp-5) }
.math .katex-display { margin:0 }
.pub-prose .task-list-item { list-style:none }
.pub-prose input[type=checkbox] { accent-color:var(--accent) }
.code-copy { display:block;margin-left:auto;border:0;background:var(--surface-2);border-bottom:1px solid var(--line);width:100%;text-align:right;padding:4px 12px;font-size:11px;color:var(--muted);cursor:pointer }
.gallery-image { aspect-ratio:1;display:block;overflow:hidden;border-radius:var(--r-sm);cursor:zoom-in }
.pub-note-gallery.is-one .gallery-image { aspect-ratio:4/3 }
.pub-note-gallery .gallery-image:hover img { transform:scale(1.03) }
.pub-note .pub-prose { font-size:var(--fs-read) }
.pub-note-text h1, .pub-note-text h2, .pub-note-text h3 { font-size:1.15rem }
.pub-note-text pre { font-size:.9em }
.comments-empty { display:grid; justify-items:start; gap:var(--sp-2); padding-block:var(--sp-7); color:var(--muted); }
.comments-empty h3 { font-family:var(--serif); font-size:var(--fs-xl); letter-spacing:.03em; color:var(--fg); }
.comments-empty p { font-size:var(--fs-sm); max-width:32rem; }
.comments-closed { font-size:var(--fs-sm);color:var(--muted);padding-block:var(--sp-5) }
.honeypot { position:absolute;left:-10000px;height:1px;width:1px;overflow:hidden }
.image-viewer { max-width:100vw;max-height:100svh;width:100vw;height:100svh;border:0;padding:var(--sp-5);background:color-mix(in oklab, var(--night) 98%, transparent);color:var(--star) }
.image-viewer[open] { display:flex;flex-direction:column;justify-content:space-between;align-items:center }
.image-viewer::backdrop { background:color-mix(in oklab, var(--night) 91%, transparent) }
.image-viewer>img { max-width:90vw;max-height:76svh;object-fit:contain }
.viewer-toolbar { display:flex;justify-content:space-between;width:min(100%,1200px);align-items:center;gap:var(--sp-5);font-size:var(--fs-sm) }
.viewer-toolbar p { max-width:60%;text-align:center }
.image-viewer button { background:transparent;border:1px solid color-mix(in oklab, var(--star) 25%, transparent);border-radius:var(--r-xs);color:inherit;padding:var(--sp-2) var(--sp-4);cursor:pointer }
.image-viewer button:disabled { opacity:.3 }
/* Archive has one separator per year; item titles remain body text. */
.archive-head .lede a { color: inherit; text-underline-offset: 3px; }
.archive-total { display: grid; gap: var(--sp-1); justify-items: end; }
.archive-total-figure { font-family: var(--serif); font-size: var(--fs-2xl); color: var(--fg); letter-spacing: .02em; line-height: 1.1; font-variant-numeric: tabular-nums; }
.archive-frame { padding-bottom: var(--sp-8); }
.archive-jump { display: flex; flex-wrap: wrap; gap: var(--sp-1) var(--sp-5); list-style: none; margin: 0; padding: 0; }
.archive-jump .chip { font-family: var(--serif); font-size: var(--fs-md); letter-spacing: .04em; text-decoration: none; }
.archive-jump-band { padding-bottom: var(--sp-5); }
.archive-jump-band .rail { padding-top: 6px; }
.archive-year { display: grid; grid-template-columns: subgrid; align-items: start; padding-block: var(--sp-6) var(--sp-7); border-top: 1px solid var(--line); scroll-margin-top: calc(var(--nav-h) + var(--sp-5)); }
.archive-year-rail { display: grid; gap: var(--sp-1); align-content: start; position: sticky; top: calc(var(--nav-h) + var(--sp-5)); }
.archive-year h2 { font-family: var(--serif); font-size: var(--fs-2xl); font-weight: 600; letter-spacing: .04em; line-height: 1.15; font-variant-numeric: tabular-nums; }
.archive-months { grid-column: main; display: grid; gap: var(--sp-5); }
.archive-month { display: grid; grid-template-columns: 4.5rem minmax(0,1fr); column-gap: var(--sp-4); align-items: first baseline; }
.archive-month h3 { font-family: var(--serif); font-size: var(--fs-md); font-weight: 400; color: var(--muted); letter-spacing: .04em; white-space: nowrap; }
.archive-month h3>span:first-child { color: var(--fg); font-variant-numeric: tabular-nums; }
.archive-list { list-style: none; margin: 0; padding: 0; display: grid; min-width: 0; }
.archive-entry { position: relative; width: fit-content; max-width: 100%; display: grid; grid-template-columns: 3.4rem minmax(0,1fr); column-gap: var(--sp-3); align-items: first baseline; padding-block: 5px; text-decoration: none; color: var(--fg); border-radius: var(--r-xs); font-family: var(--sans); font-size: var(--fs-md); }
.archive-entry::before { content: ''; position: absolute; left: calc(var(--sp-4) * -1); top: calc(5px + .85em); width: 5px; height: 5px; margin-top: -2.5px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px 1px color-mix(in oklab,var(--accent) 60%,transparent); opacity: 0; transform: translateX(-4px); transition: opacity var(--t-mid) var(--ease), transform var(--t-mid) var(--ease); }
.archive-entry .figure { transition: color var(--t-fast); }
.archive-entry:hover .figure, .archive-entry:focus-visible .figure { color: var(--muted); }
.archive-entry-title { overflow-wrap: anywhere; line-height: 1.7; background: linear-gradient(currentColor,currentColor) 0 100% / 0 1px no-repeat; transition: background-size var(--t-mid) var(--ease), color var(--t-fast); }
.archive-entry:hover .archive-entry-title, .archive-entry:focus-visible .archive-entry-title { background-size: 100% 1px; }
.archive-entry:hover::before, .archive-entry:focus-visible::before { opacity: 1; transform: none; }
.archive-entry:focus-visible { box-shadow: none; outline: 2px solid var(--accent); outline-offset: 3px; }
.archive-list .is-returned { background: none; animation: none; }
.archive-list .is-returned .archive-entry::before { opacity: 1; transform: none; animation: archive-return 1.8s var(--ease) 2; }
.archive-list .is-returned .archive-entry-title, .archive-list .is-returned .figure { color: var(--accent); background-size: 100% 1px; }
@keyframes archive-return { 0% { box-shadow: 0 0 0 0 color-mix(in oklab,var(--accent) 45%,transparent),0 0 10px 1px color-mix(in oklab,var(--accent) 60%,transparent); } 70% { box-shadow: 0 0 0 9px transparent,0 0 10px 1px color-mix(in oklab,var(--accent) 60%,transparent); } 100% { box-shadow: 0 0 0 0 transparent,0 0 10px 1px color-mix(in oklab,var(--accent) 60%,transparent); } }
.error-page { padding-block:clamp(72px,12vw,160px) }
.error-page h1 { font-family:var(--serif);font-size:clamp(1.7rem,4vw,2.6rem);margin-block:var(--sp-5) }
.error-page>p { color:var(--muted) }
.error-page .row { margin-top:var(--sp-6) }
.chroma .k, .chroma .kd, .chroma .kn, .chroma .kp, .chroma .kr, .chroma .kt, .chroma .o { color:var(--accent) }
.chroma .s, .chroma .s1, .chroma .s2, .chroma .sb, .chroma .sc, .chroma .sd, .chroma .se, .chroma .si, .chroma .sx { color:var(--ok) }
.chroma .c, .chroma .c1, .chroma .cm, .chroma .cp, .chroma .cs { color:var(--faint);font-style:italic }
.chroma .m, .chroma .mi, .chroma .mf, .chroma .mh { color:var(--warn) }
.chroma .nf, .chroma .nc, .chroma .nt { color:var(--accent) }
@media(max-width:1079px) {
  .site-header-inner { gap:var(--sp-5) }
}
@media(max-width:719px) {
  .site-header-inner { height:60px;justify-content:space-between }
  .site-links { display:none }
  .brand { font-size:17px }
  .header-actions { gap:var(--sp-2) }
  .mobile-menu { display:block }
  .mobile-menu summary { list-style:none;padding:6px;cursor:pointer;color:var(--muted) }
  .mobile-menu summary::-webkit-details-marker { display:none }
  .mobile-menu nav { position:absolute;left:0;right:0;top:60px;background:var(--bg);border-bottom:1px solid var(--line);padding:16px;box-shadow:var(--shadow-float) }
  .mobile-menu nav a { display:block;text-decoration:none;color:var(--muted);font-size:var(--fs-sm);padding:10px 16px }
  .site-footer { grid-template-columns:1fr;gap:var(--sp-5) }
  .site-footer nav { justify-content:flex-start }
  .pub-date time { display:flex;gap:var(--sp-2);align-items:baseline }
  .pub-entry-cover { aspect-ratio:16/9 }
  .filter-end { margin-left:0 }
  .archive-year { padding-block:var(--sp-5) var(--sp-6) }
  .archive-year .rail { margin-bottom:var(--sp-4) }
  .viewer-toolbar { gap:var(--sp-3);font-size:12px }
  .image-viewer { padding:16px }
  .viewer-toolbar p { max-width:40% }
  .viewer-toolbar button { font-size:12px;padding:8px }
}
.home-note-aside { display:grid;gap:var(--sp-3);text-align:left!important;align-self:start!important;padding-top:8px }
.home-note-aside .pub-link { font-size:var(--fs-xs) }
.pub-prose table { display:table }
.pub-prose .table-wrap { overflow-x:auto }
.pub-prose>pre.chroma { background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-md) }
.pub-prose .highlight>pre { margin:0 }
.pub-prose .highlight { margin-top:1.25em }
.pub-head h1, .pub-entry h2, .pub-prose h1, .pub-prose h2, .pub-prose h3 { overflow-wrap:anywhere }
.pub-note-body>.pub-prose { grid-column:auto }
.friends-intro { padding-bottom:var(--sp-7) }
/* Shared interaction vocabulary: paper, hairlines, light, and two timing tokens. */
.site-header { border-bottom-color: transparent; transition: border-color var(--t-mid) var(--ease), transform var(--t-mid) var(--ease), opacity var(--t-mid) var(--ease); }
.site-header.is-scrolled { border-bottom-color: var(--line); }
.site-header-inner { height: var(--nav-h); }
.site-links a, .pub-link, .pub-note-acts a { transition: color var(--t-fast) var(--ease), background-size var(--t-mid) var(--ease); }
.icon-button, .mobile-menu summary, .pub-toc button, .code-copy { transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease); }
.icon-button:active:not(:disabled) { transform: translateY(1px); }
button:disabled { cursor: not-allowed; opacity: .5; }
.icon-button { width: 40px; min-height: 40px; padding: 10px; }
.mobile-menu summary { min-width: 40px; min-height: 40px; display: grid; place-items: center; }
.pub-entry h2 { font-size: 1.3rem; line-height: 1.45; letter-spacing: .02em; }
.pub-entry h2 a { background: linear-gradient(var(--accent), var(--accent)) 0 100% / 0 1px no-repeat; transition: background-size var(--t-mid) var(--ease), color var(--t-fast) var(--ease); text-decoration: none; }
.pub-entry:hover h2 a, .pub-entry h2 a:focus-visible, .pub-hit:hover h2 a { background-size: 100% 1px; color: var(--fg); }
.pub-entry::before, .pub-note::before, .pub-hit::before { transform: translateX(-6px); transition: opacity var(--t-mid) var(--ease), transform var(--t-mid) var(--ease); }
.pub-entry:hover::before, .pub-entry:focus-within::before, .pub-note:hover::before, .pub-note:focus-within::before, .pub-hit:hover::before, .pub-hit:focus-within::before { transform: none; }
.pub-entry-cover img { transition: transform 600ms var(--ease), opacity var(--t-mid) var(--ease); }
.pub-entry:hover .pub-entry-cover img, .pub-entry:focus-within .pub-entry-cover img { transform: scale(1.025); }
.pub-entry-excerpt { font-size: var(--fs-md); line-height: 1.75; }
.pub-meta { font-size: var(--fs-sm); }
.pub-prose { line-height: 1.85; overflow-wrap: break-word; }
.pub-prose > * + * { margin-top: 1.15em; }
.pub-prose :is(h1,h2,h3,h4,h5,h6) { scroll-margin-top: 0; }
.pub-prose h2 { font-size: 1.5rem; margin-top: 2.4em; padding-top: 0; }
.pub-prose h3 { font-size: 1.25rem; margin-top: 2em; }
.pub-prose :is(h2,h3,h4,h5,h6) + * { margin-top: .7em; }
.pub-prose blockquote { font-family: var(--sans); }
.pub-prose pre { font: .84rem/1.75 var(--mono); padding: 14px 16px; tab-size: 4; }
.pub-prose pre code { font-size: inherit; }
.pub-prose :is(pre,.table-wrap,.math[data-display="true"]) { overscroll-behavior-inline: contain; max-width: 100%; }
.pub-prose :is(pre,.table-wrap,.math[data-display="true"]):focus-visible { box-shadow: inset 0 0 0 2px var(--bg), inset 0 0 0 4px var(--accent); }
.pub-prose .math[data-display="true"] { background: transparent; padding: 8px 0; }
.pub-prose .highlight { margin-top: 1.15em; }
.code-copy { min-height: 32px; font-size: var(--fs-xs); }
.code-copy[data-state=ok] { color: var(--ok); }
.code-copy[data-state=error] { color: var(--warn); }
.code-copy:hover { background: var(--surface); color: var(--fg); }
.pub-prose .table-wrap { border: 1px solid var(--line); border-radius: var(--r-md); }
.pub-prose th, .pub-prose td { padding: 10px 14px; }
.pub-prose .is-external::after { content: '↗'; margin-left: 3px; font-size: .75em; color: var(--faint); }
.pub-home-title { font: 400 clamp(2rem,4.5vw,3.15rem)/1.3 var(--serif); letter-spacing: .1em; }
.pub-home-recent-notes { padding-bottom: var(--sp-5); }
.pub-home-recent-notes .pub-note-gallery { display:flex; gap:var(--sp-2); max-width:none; border-radius:0; }
.pub-home-recent-notes .gallery-image { flex:0 0 64px; width:64px; height:64px; border-radius:var(--r-sm); aspect-ratio:1; }
.pub-home-recent-notes .pub-home-latest-note { border-bottom: 0; }
.note-expand { border: 0; background: none; padding: 4px 0; min-height: 32px; justify-self: start; color: var(--muted); font-size: var(--fs-xs); cursor: pointer; }
.pub-note .note-expand { padding:2px 0; min-height:0; margin-top:calc(var(--sp-2) * -1); color:var(--accent); font-size:var(--fs-sm); }
.pub-note .note-expand:hover { text-decoration:underline; text-underline-offset:3px; }
[data-note-expand].is-expanded { display: block; -webkit-line-clamp: unset; overflow: visible; }
.pub-home-latest-note .pub-note-line { -webkit-line-clamp: 4; }
.pub-home-latest-note .pub-note-line p { display: block; }
.pub-home-latest-note .pub-note-line p + p { margin-top: .7em; }
.pub-note-text { line-height: 1.8; }
/* List glow stays inside the viewport gutters and is supplemental to keyboard feedback. */
/* The full directory and its quiet tick marks are the same links in the same column. */
.pub-toc { max-width: 100%; top: calc(var(--nav-h) + 32px); }
.pub-toc-head { gap: 8px; margin-bottom: var(--sp-4); }
.pub-toc-head button { border: 0; padding: 4px 0; background: none; color: var(--faint); font-size: var(--fs-xs); cursor: pointer; display: inline-flex; align-items: center; gap: 6px; }
.pub-toc-head button svg { width: 14px; height: 14px; transition: transform var(--t-mid) var(--ease); }
.pub-toc-head button:hover, .pub-toc-head button:focus-visible { color: var(--fg); }
.pub-toc nav { max-height: calc(100svh - var(--nav-h) - 160px); overflow-y: auto; scrollbar-width: thin; }
.pub-toc ol { display: block; border: 0; }
.pub-toc li, .pub-toc li.pub-toc-sub { padding: 0; }
.pub-toc a { padding: 5px 0 5px 14px; border-left: 1px solid var(--line); font-size: var(--fs-sm); line-height: 1.5; color: var(--muted); max-height: 4.6em; overflow: hidden; overflow-wrap: anywhere; transition: max-height var(--t-mid) var(--ease) var(--toc-delay,0ms), padding var(--t-mid) var(--ease) var(--toc-delay,0ms), margin var(--t-mid) var(--ease) var(--toc-delay,0ms), font-size var(--t-mid) var(--ease) var(--toc-delay,0ms), line-height var(--t-mid) var(--ease) var(--toc-delay,0ms), color var(--t-fast) var(--ease), border-color var(--t-mid) var(--ease), filter var(--t-mid) var(--ease); }
.pub-toc .pub-toc-sub a { padding-left: 28px; font-size: .84rem; }
.pub-toc a.is-active { color: var(--fg); border-left: 2px solid var(--accent); padding-left: 13px; }
.pub-toc .pub-toc-sub a.is-active { padding-left: 27px; }
.pub-toc-progress { position: relative; font-size: var(--fs-xs); margin-top: var(--sp-4); padding-top: 10px; max-height: 6em; transition: opacity var(--t-mid) var(--ease), max-height var(--t-mid) var(--ease), margin var(--t-mid) var(--ease); }
.pub-toc-progress::before { content: ''; position: absolute; left: 0; top: -1px; height: 2px; width: var(--reading-progress,0%); background: var(--accent); transition: width var(--t-fast) linear; }
.toc-anim-off .pub-toc * { transition: none !important; }
@media (min-width:1080px) {
  .pub-toc.is-collapsed .pub-toc-head { justify-content: flex-start; margin-bottom: 10px; }
  .pub-toc.is-collapsed .pub-toc-head button { flex-direction: row-reverse; margin-left: -6px; }
  .pub-toc.is-collapsed .pub-toc-head button span { opacity: 0; transition: opacity var(--t-mid) var(--ease); }
  .pub-toc.is-collapsed .pub-toc-head button svg { transform: rotate(180deg); }
  .pub-toc.is-collapsed:hover .pub-toc-head button span, .pub-toc.is-collapsed:focus-within .pub-toc-head button span { opacity: 1; }
  .pub-toc.is-collapsed a { width: auto; height: auto; max-height: 12px; margin-bottom: 9px; padding: 0 0 0 13px; font-size: 12px; line-height: 12px; white-space: nowrap; text-overflow: ellipsis; color: transparent; border-top: 0; border-left: 2px solid var(--line); }
  .pub-toc.is-collapsed .pub-toc-sub a { padding-left: 21px; }
  .pub-toc.is-collapsed a.is-past { border-left-color: var(--line-strong); }
  .pub-toc.is-collapsed a.is-active { border-left-color: var(--accent); color: transparent; filter: drop-shadow(0 0 3px color-mix(in oklab,var(--accent) 75%,transparent)); }
  .pub-toc.is-collapsed:hover a, .pub-toc.is-collapsed:focus-within a { color: var(--faint); }
  .pub-toc.is-collapsed:hover a.is-active, .pub-toc.is-collapsed:focus-within a.is-active { color: var(--fg); filter: none; }
  .pub-toc.is-collapsed li:hover a, .pub-toc.is-collapsed a:focus-visible { font-size: 12px; height: auto; width: auto; border-top: 0; border-left-color: var(--muted); }
  .pub-toc.is-collapsed .pub-toc-progress { opacity: 0; max-height: 0; margin: 0; padding: 0; overflow: hidden; }
}
.pub-toc-sheet { background: var(--surface); padding-bottom: env(safe-area-inset-bottom,0px); border: 0; max-height: 80svh; overscroll-behavior: contain; }
.pub-toc-sheet[open] { animation: public-sheet-in var(--t-mid) var(--ease); }
@keyframes public-sheet-in { from { opacity: 0; transform: translateY(24px); } }
.pub-toc-sheet header { position: sticky; top: 0; background: var(--surface); z-index: 1; }
.pub-toc-sheet header button { min-width: 40px; min-height: 40px; border: 0; background: none; color: var(--muted); font-size: 22px; cursor: pointer; }
.pub-toc-sheet nav { max-height: 60svh; overflow-y: auto; overscroll-behavior: contain; padding: var(--sp-4) max(20px,var(--gutter-l)) var(--sp-5); }
.pub-toc-sheet a { display: block; min-height: 32px; padding: 5px 0 5px 14px; border-left: 1px solid var(--line); color: var(--muted); font-size: var(--fs-sm); }
.pub-toc-sheet ol { gap: 0; }
.pub-toc-sheet .pub-toc-sub a { padding-left: 28px; }
.pub-toc-sheet a[aria-current=true] { border-left: 2px solid var(--accent); color: var(--fg); }
/* Image state is local to its slot; opening a failed image still offers recovery. */
.gallery-image, .pub-entry-cover, .pub-article-cover>a { position: relative; background: var(--surface-2); }
.media-feedback { position: absolute; inset: 0; display: grid; place-items: center; padding: var(--sp-3); color: var(--faint); font-size: var(--fs-xs); line-height: 1.6; text-align: center; }
.is-failed>img { opacity: 0; }
.is-loading::after { content: ''; position: absolute; inset: 0; background: linear-gradient(100deg,transparent 30%,color-mix(in oklab,var(--surface) 60%,transparent) 50%,transparent 70%) 0 0/200% 100%; animation: public-shimmer 1.4s linear infinite; pointer-events: none; }
@keyframes public-shimmer { from { background-position: 150% 0; } to { background-position: -50% 0; } }
.pub-note-gallery { gap: 4px; max-width: 34rem; border-radius: var(--r-md); overflow: hidden; }
.pub-note-gallery .gallery-image { border-radius: 0; }
.pub-note-gallery img { transition: opacity var(--t-mid) var(--ease), transform 600ms var(--ease); }
.pub-note-gallery .gallery-image:hover img, .pub-note-gallery .gallery-image:focus-visible img { transform: scale(1.025); }
.pub-note-gallery[data-count="1"] { grid-template-columns: 1fr; max-width: var(--single-image-width,26rem); }
.pub-note-gallery[data-count="1"] .gallery-image { aspect-ratio: var(--image-ratio,4/3); max-height: 28rem; }
.pub-note-gallery[data-count="1"].is-portrait { max-width: min(18rem,var(--single-image-width,18rem)); }
.pub-note-gallery[data-count="2"] { grid-template-columns: 1fr 1fr; }
.pub-note-gallery[data-count="2"] .gallery-image { aspect-ratio: 4/5; }
.pub-note-gallery[data-count="3"] { grid-template-columns: 2fr 1fr; grid-template-rows: 1fr 1fr; }
.pub-note-gallery[data-count="3"] .gallery-image:first-child { grid-row: span 2; aspect-ratio: auto; height: 100%; }
.pub-note-gallery[data-count="4"] { grid-template-columns: 1fr 1fr; max-width: 28rem; }
.pub-note-gallery[data-count="5"] { grid-template-columns: repeat(6,minmax(0,1fr)); }
.pub-note-gallery[data-count="5"] .gallery-image:nth-child(-n+2) { grid-column: span 3; aspect-ratio: 4/3; }
.pub-note-gallery[data-count="5"] .gallery-image:nth-child(n+3) { grid-column: span 2; }
.pub-note-gallery[data-count="7"] { grid-template-columns: repeat(6,minmax(0,1fr)); }
.pub-note-gallery[data-count="7"] .gallery-image:first-child { grid-column: span 6; aspect-ratio: 2/1; }
.pub-note-gallery[data-count="7"] .gallery-image:nth-child(n+2) { grid-column: span 2; }
.pub-note-gallery[data-count="8"] { grid-template-columns: repeat(12,minmax(0,1fr)); }
.pub-note-gallery[data-count="8"] .gallery-image:nth-child(-n+2) { grid-column: span 6; aspect-ratio: 4/3; }
.pub-note-gallery[data-count="8"] .gallery-image:nth-child(n+3) { grid-column: span 4; }
.pub-note-gallery .gallery-image:nth-child(n+10) { display: none; }
.gallery-more { position: absolute; inset: 0; display: grid; place-items: center; color: var(--star); background: color-mix(in oklab, var(--night) 50%, transparent); font-size: var(--fs-xl); pointer-events: none; }
.image-viewer { margin: 0; max-width: none; max-height: none; overscroll-behavior: contain; padding: max(16px,env(safe-area-inset-top,0px)) var(--gutter-r) max(16px,env(safe-area-inset-bottom,0px)) var(--gutter-l); }
.image-viewer[open] { display: grid; grid-template-rows: auto minmax(0,1fr) auto; justify-items: center; gap: var(--sp-4); animation: public-fade var(--t-mid) var(--ease); }
@keyframes public-fade { from { opacity: 0; } }
.viewer-stage { width: 100%; min-height: 0; display: grid; place-items: center; align-content: center; gap: var(--sp-4); overflow: hidden; touch-action: pan-y; }
.viewer-stage img { width: auto; max-width: 100%; max-height: calc(100svh - 180px); object-fit: contain; border-radius: var(--r-xs); }
.viewer-status { color: var(--star); opacity: .75; font-size: var(--fs-sm); }
.viewer-toolbar { max-width: 100%; }
.viewer-toolbar:first-child { display: grid; grid-template-columns: 1fr auto auto; }
.viewer-toolbar:last-child { display: grid; grid-template-columns: auto minmax(0,1fr) auto; }
.viewer-toolbar p { max-width: none; overflow-wrap: anywhere; }
.viewer-original { color: var(--star); text-decoration: none; font-size: var(--fs-sm); padding: 8px; min-height: 40px; }
.viewer-original:hover { text-decoration: underline; }
.image-viewer button { min-height: 40px; transition: border-color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease); }
.image-viewer button:hover { border-color: color-mix(in oklab, var(--star) 60%, transparent); background: color-mix(in oklab, var(--star) 5%, transparent); }
.image-viewer :focus-visible { box-shadow: 0 0 0 2px var(--night),0 0 0 4px var(--star); }
@keyframes public-toast-in { from { opacity: 0; margin-bottom: -8px; } }
/* Search, archive, and result pages share the same lines and column roles. */
.pub-search-form { grid-column: main; position: relative; grid-template-columns: 22px minmax(0,1fr) auto; }
.pub-search-form>div { display: flex; align-items: center; gap: var(--sp-3); }
.pub-search-form input { font-weight: 400; letter-spacing: .02em; }
.pub-search-form button { min-height: 32px; white-space: nowrap; transition: color var(--t-fast) var(--ease); }
.pub-search-form button:hover { color: var(--fg); }
.pub-search-form:focus-within { border-bottom-color: var(--fg); }
@keyframes public-search-run { from { left: 0; } to { left: calc(100% - 5px); } }
.pub-search-scope { grid-column: main; }
.pub-hit mark { background: linear-gradient(transparent 58%,color-mix(in oklab,var(--accent) 22%,transparent) 58%); color: inherit; }
.result-code { font:400 clamp(2.6rem,5vw,3.6rem)/1 var(--serif); letter-spacing:.02em; color:var(--muted); margin-top:var(--sp-3); }
.result-ways { display:grid; margin-top:var(--sp-4); border-top:1px solid var(--line); }
.result-ways a { position:relative; display:flex; align-items:baseline; justify-content:space-between; gap:var(--sp-4); padding-block:var(--sp-3); border-bottom:1px solid var(--line); font-family:var(--serif); font-size:var(--fs-lg); letter-spacing:.04em; color:var(--fg); text-decoration:none; transition:color var(--t-fast); }
.result-ways a:hover { color: var(--accent); }
.is-returned { animation: public-return 2.4s var(--ease) both; }
@keyframes public-return { 0%,60% { background: var(--accent-soft); } 100% { background: transparent; } }
@media(max-width:719px) {
  .pub-home-title { font-size: 2rem; }
  .pub-prose { font-size: var(--fs-read); }
  .pub-prose h2 { font-size: 1.4rem; }
  .pub-entry .pub-date { order: 0; }
  .pub-entry::before, .pub-note::before { display: none; }
  .pub-search-form { gap: 10px; }
  .pub-search-form>div { gap: 8px; }
  .pub-search-form input { font-size: 1.4rem; }
  .note-year { grid-template-columns:1fr; padding-top:var(--sp-6); }
  .note-year > * { grid-column:1 !important; }
  .pub-note > .pub-date { display:flex; gap:var(--sp-2); align-items:baseline; padding-top:0; margin-bottom:var(--sp-3); }
  .archive-jump-band .rail { display: none; }
  .archive-year { grid-template-columns: 1fr; }
  .archive-year > * { grid-column: 1 !important; }
  .archive-month { grid-template-columns: 3rem minmax(0,1fr); column-gap: var(--sp-3); }
  .archive-entry { grid-template-columns: 2.9rem minmax(0,1fr); column-gap: var(--sp-2); }
  .archive-entry::before { display: none; }
  .archive-year-rail { position: static; display: flex; align-items: baseline; gap: var(--sp-3); }
  .archive-total { justify-items: start; }
  .viewer-toolbar:first-child { gap: 8px; }
  .viewer-original { font-size: var(--fs-xs); }
  .viewer-toolbar:last-child { grid-template-columns: 1fr 1fr; }
  .viewer-toolbar:last-child p { grid-column: 1/-1; grid-row: 2; text-align: center; font-size: var(--fs-sm); }
  .image-viewer button { padding: 8px 12px; }
  .viewer-stage img { max-height: calc(100svh - 200px); }
  .error-page>.rail { margin-bottom: var(--sp-5); }
}
@media(prefers-reduced-motion:reduce) {
  .pub-entry:hover .pub-entry-cover img, .pub-entry:focus-within .pub-entry-cover img, .pub-entry-cover:hover img, .pub-note-gallery .gallery-image:hover img, .pub-note-gallery .gallery-image:focus-visible img { transform: none; }
  .is-loading::after { animation: none; }
  .pub-entry::before, .pub-note::before, .pub-hit::before { transform: none; }
}
.pub-note .pub-note-text.is-clamped:not(.is-expanded) { display: -webkit-box; -webkit-line-clamp: 6; -webkit-box-orient: vertical; overflow: hidden; }
.gallery-recovery { display: flex; flex-wrap: wrap; gap: var(--sp-3); }
.gallery-recovery button { border: 0; min-height: 32px; padding: 4px 0; background: none; color: var(--warn); font-size: var(--fs-xs); cursor: pointer; }
.link-copy-fallback { min-width: 0; width: 100%; border: 1px solid var(--line-strong); border-radius: var(--r-sm); padding: 8px 12px; font-size: var(--fs-sm); color: var(--fg); background: var(--surface); }
.comment-recovery-actions { display: flex; flex-wrap: wrap; gap: var(--sp-3); padding: var(--sp-4) var(--sp-5); }
.mobile-menu.is-enhanced>nav { display: none; }
.pub-nav-sheet { position: fixed; inset: 0; margin: 0; width: 100%; height: 100svh; max-width: none; max-height: none; padding: env(safe-area-inset-top,0px) var(--gutter-r) env(safe-area-inset-bottom,0px) var(--gutter-l); border: 0; background: var(--bg); color: var(--fg); }
.pub-nav-sheet[open] { animation: public-nav-in var(--t-mid) var(--ease); }
@keyframes public-nav-in { from { opacity: 0; transform: translateY(8px); } }
.pub-nav-sheet header { min-height: var(--nav-h); display: flex; align-items: center; justify-content: space-between; gap: var(--sp-4); border-bottom: 1px solid var(--line); }
.pub-nav-sheet header h2 { font: 600 var(--fs-lg) var(--serif); }
.pub-nav-sheet header button { min-height: 40px; padding: 8px; border: 0; background: none; color: var(--muted); font-size: var(--fs-sm); cursor: pointer; }
.pub-nav-sheet nav { display: grid; padding-top: var(--sp-4); }
.pub-nav-sheet nav a { text-decoration: none; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: var(--fs-lg); }
.pub-nav-sheet nav a[aria-current] { color: var(--accent); }
.pub-toc-head button { min-height: 32px; }
@media(max-width:1079px) {
  .site-links { display: none; }
  .mobile-menu { display: block; }
  .header-actions { margin-left: auto; }
  .mobile-menu summary { list-style: none; cursor: pointer; color: var(--muted); }
  .mobile-menu summary::-webkit-details-marker { display: none; }
  .mobile-menu nav { position: absolute; left: 0; right: 0; top: var(--nav-h); background: var(--bg); border-bottom: 1px solid var(--line); padding: var(--sp-4); box-shadow: var(--shadow-float); }
  .mobile-menu nav a { display: block; text-decoration: none; color: var(--muted); font-size: var(--fs-sm); padding: 10px 16px; }
}

/* =====================================================================
   设计系统精修层 v2 移植（system/assets/components.css 与各页面稿）。
   公开站不加载 components.css，这里只搬入用到的规则；与旧的 pub-* 重复实现已删除。
   ===================================================================== */

/* —— 母题 —— */
.lumen { display: inline-block; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px color-mix(in oklab, var(--accent) 16%, transparent), 0 0 12px 1px color-mix(in oklab, var(--accent) 55%, transparent); flex: none; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font-family: var(--serif); font-size: 11px; line-height: 1.4; letter-spacing: .24em; text-transform: uppercase; color: var(--faint); font-weight: 400; white-space: nowrap; }
.eyebrow::before { content: ""; width: 20px; height: 1px; background: currentColor; opacity: .6; }
.eyebrow--bare::before { content: none; }
a.eyebrow { text-decoration: none; transition: color var(--t-fast); }
a.eyebrow:hover, a.eyebrow:focus-visible { color: var(--fg); }
.figure { font-family: var(--mono); font-size: var(--fs-xs); color: var(--faint); font-variant-numeric: tabular-nums; letter-spacing: .02em; }

/* —— C-01 导航：当前项用光点 —— */
.site-links a[aria-current]::after { content: ""; position: absolute; left: 50%; bottom: -1px; width: 5px; height: 5px; margin-left: -2.5px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px 1px color-mix(in oklab, var(--accent) 60%, transparent); }
.icon-button[aria-current] { color: var(--fg); }
.mobile-menu nav a[aria-current] { color: var(--fg); font-weight: 500; }
.skip-link { position: fixed; left: 16px; top: 8px; z-index: 200; transform: translateY(-200%); background: var(--surface); color: var(--fg); padding: 8px 14px; border-radius: var(--r-sm); box-shadow: var(--shadow-float); text-decoration: none; transition: transform var(--t-fast) var(--ease); }
.skip-link:focus-visible, .skip-link:focus { transform: none; }

/* —— C-20 按钮（.button 是 public.js 现有动态按钮的旧类名，等同 .btn） —— */
.btn, .button { --btn-bg: var(--surface); --btn-fg: var(--fg); --btn-bd: var(--line-strong); display: inline-flex; align-items: center; justify-content: center; gap: var(--sp-2); min-height: 40px; padding: 0 var(--sp-4); border-radius: var(--r-sm); border: 1px solid var(--btn-bd); background: var(--btn-bg); color: var(--btn-fg); font-size: var(--fs-sm); font-weight: 500; line-height: 1; white-space: nowrap; text-decoration: none; cursor: pointer; user-select: none; transition: background-color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease); }
.btn:hover, .button:hover { --btn-bd: var(--faint); }
.btn:active:not(:disabled), .button:active:not(:disabled) { transform: translateY(1px); }
.btn--primary { --btn-bg: var(--accent); --btn-fg: var(--accent-fg); --btn-bd: var(--accent); }
.btn--primary:hover { --btn-bd: var(--accent); background: color-mix(in oklab, var(--accent) 88%, var(--fg)); }
.btn--ghost { --btn-bg: transparent; --btn-bd: transparent; color: var(--muted); }
.btn--ghost:hover { --btn-bd: transparent; background: var(--surface-2); color: var(--fg); }
.btn--sm { min-height: 32px; padding: 0 var(--sp-3); font-size: var(--fs-xs); }
.btn[disabled], .button[disabled], .btn[aria-disabled="true"] { opacity: .45; cursor: not-allowed; transform: none; }
.error-retry { margin-top: var(--sp-5); }

/* —— C-21 提示 —— */
.notice { --n: var(--accent); --n-bg: var(--accent-soft); display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 4px 12px; align-items: start; padding: 12px 14px; border-radius: var(--r-sm); background: var(--n-bg); font-size: var(--fs-sm); line-height: 1.6; }
.notice__icon { width: 18px; height: 18px; color: var(--n); margin-top: 2px; }
.notice__title { font-weight: 600; color: var(--fg); }
.notice__text { color: var(--muted); }
.notice__actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 4px; }
.notice--ok { --n: var(--ok); --n-bg: var(--ok-soft); }
.notice--warn { --n: var(--warn); --n-bg: var(--warn-soft); }
.notice--bad { --n: var(--bad); --n-bg: var(--bad-soft); }
.toasts { position: fixed; z-index: 90; left: 50%; bottom: calc(24px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%); display: grid; gap: 8px; width: min(26rem, calc(100vw - 32px)); pointer-events: none; }
.toast { pointer-events: auto; display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: var(--r-md); background: var(--fg); color: var(--bg); font-size: var(--fs-sm); box-shadow: var(--shadow-float); animation: public-toast-in var(--t-mid) var(--ease); }

/* —— C-05 标签与筛选 —— */
.tag { display: inline-flex; align-items: center; max-width: 100%; padding: 0; border: 0; border-radius: 0; line-height: 1.6; font-size: var(--fs-sm); color: var(--muted); gap: 1px; text-decoration: none; background: linear-gradient(currentColor, currentColor) 0 100% / 0 1px no-repeat; transition: color var(--t-fast), background-size var(--t-mid) var(--ease); }
.tag::before { content: "#"; color: var(--faint); font-family: var(--mono); font-size: .9em; margin-right: 2px; }
.tag > span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
a.tag:hover, a.tag:focus-visible { color: var(--fg); background-size: 100% 1px; }
.tag.cat { font-family: var(--serif); letter-spacing: .06em; color: var(--fg); }
.tag.cat::before { content: none; }
.pub-tags { gap: 4px 16px; }
.chip { display: inline-flex; align-items: center; gap: 3px; min-height: 32px; max-width: 100%; padding: 0 2px; border: 0; border-radius: 0; background: none; color: var(--muted); font-size: var(--fs-sm); cursor: pointer; text-decoration: none; position: relative; transition: color var(--t-fast); }
.chip > span:first-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chip .count, .pub-topic-item .count { font-family: var(--mono); font-size: 10.5px; align-self: flex-start; margin-top: 5px; color: var(--faint); font-variant-numeric: tabular-nums; }
.chip:hover { color: var(--fg); }
.chip[aria-pressed="true"], .chip[aria-current="page"] { color: var(--fg); font-weight: 500; }
.chip[aria-pressed="true"]::before, .chip[aria-current="page"]::before { content: ""; position: absolute; left: 50%; bottom: -3px; width: 5px; height: 5px; margin-left: -2.5px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px 1px color-mix(in oklab, var(--accent) 55%, transparent); }
.chip[aria-pressed="true"] .count, .chip[aria-current="page"] .count { color: var(--accent); }
.filter-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 22px; }
.filter-back { min-height: 32px; display: inline-flex; align-items: center; color: var(--faint); font-size: var(--fs-sm); text-decoration: none; }
.filter-back:hover { color: var(--fg); }
.pub-home-topics { gap: 4px 18px; align-content: start; }
.pub-topic-item { color: var(--fg); }
.pub-topic-item:hover .count { color: var(--accent); }

/* —— C-19 分页：挂在栅格上，范围在左栏，页码跨正文栏与右栏 —— */
.frame .pager { grid-column: wide; display: grid; grid-template-columns: subgrid; padding-top: var(--sp-6); margin-top: var(--sp-6); border-top: 1px solid var(--line); align-items: center; min-height: 64px; font-size: var(--fs-sm); }
.frame .pager > .pager__range { grid-column: rail; font-family: var(--mono); font-size: var(--fs-xs); color: var(--faint); letter-spacing: .02em; }
.pager__range b { font-weight: 500; color: var(--muted); }
.frame .pager > .pager__nav { grid-column: main / aside-end; }
.pager__nav { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--sp-3) var(--sp-5); min-width: 0; }
.pager__pages { display: flex; gap: 4px; list-style: none; margin: 0; padding: 0; }
.pager__pages a, .pager__pages span { position: relative; display: grid; place-items: center; min-width: 32px; height: 32px; padding: 0 6px; font-family: var(--mono); font-size: var(--fs-sm); text-decoration: none; color: var(--muted); font-variant-numeric: tabular-nums; }
.pager__pages a:hover { color: var(--fg); }
.pager__pages [aria-current="page"] { color: var(--fg); }
.pager__pages [aria-current="page"]::after { content: ""; position: absolute; left: 50%; bottom: 0; width: 5px; height: 5px; margin-left: -2.5px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px 1px color-mix(in oklab, var(--accent) 60%, transparent); }
.pager__step { display: inline-flex; gap: var(--sp-5); }
.pager__link { min-height: 32px; display: inline-flex; align-items: center; font-size: var(--fs-sm); color: var(--muted); text-decoration: none; background: linear-gradient(currentColor, currentColor) 0 100% / 0 1px no-repeat; transition: color var(--t-fast), background-size var(--t-mid) var(--ease); }
a.pager__link[href]:hover, a.pager__link[href]:focus-visible { color: var(--fg); background-size: 100% 1px; }
.pager__link[aria-disabled="true"] { color: var(--faint); opacity: .55; pointer-events: none; }
.list-end--v2 { display: flex; align-items: center; gap: var(--sp-3); font-family: var(--serif); font-size: 11px; letter-spacing: .24em; text-transform: uppercase; color: var(--faint); }
.list-end__zh { font-family: var(--sans); font-size: var(--fs-sm); letter-spacing: .02em; text-transform: none; color: var(--muted); margin-left: var(--sp-2); }
@media (max-width: 1079px) { .frame .pager > .pager__nav { grid-column: main; } }
@media (max-width: 719px) { .frame .pager { grid-template-columns: 1fr; gap: var(--sp-3); } .frame .pager > * { grid-column: 1 !important; } .pager__nav { flex-direction: column; align-items: flex-start; } }

/* —— C-18 搜索：范围、结果行、搜索中的光迹 —— */
.pub-search-scope { gap: 6px 26px; }
.pub-search-form .seek__trail { position: absolute; left: 0; right: 0; bottom: -2px; height: 5px; pointer-events: none; overflow: visible; opacity: 0; transition: opacity var(--t-fast); }
.pub-search-form .seek__trail::before { content: ""; position: absolute; top: 2px; left: 0; width: 120px; height: 1px; background: linear-gradient(90deg, transparent, var(--accent)); }
.pub-search-form .seek__trail::after { content: ""; position: absolute; top: 0; left: 118px; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px 2px color-mix(in oklab, var(--accent) 60%, transparent); }
.pub-search-form.is-busy .seek__trail { opacity: 1; }
.pub-search-form.is-busy .seek__trail::before, .pub-search-form.is-busy .seek__trail::after { animation: seek-run 1.3s var(--ease) infinite; }
@keyframes seek-run { from { transform: translateX(-120px); } to { transform: translateX(var(--seek-w, 600px)); } }
.result-line { grid-column: main; display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 6px 16px; padding-block: var(--sp-6) var(--sp-3); }
.result-line p { font-size: var(--fs-sm); color: var(--muted); overflow-wrap: anywhere; }
.result-line q { color: var(--fg); quotes: "「" "」"; }
.pub-hit h2 { font-family: var(--serif); font-size: 1.2rem; }
.pub-hit h2 a { text-decoration: none; background: linear-gradient(var(--accent), var(--accent)) 0 100% / 0 1px no-repeat; transition: background-size var(--t-mid) var(--ease), color var(--t-fast) var(--ease); }
.pub-hit h2 a:focus-visible { background-size: 100% 1px; color: var(--fg); }
.pub-hit mark { background: linear-gradient(transparent 58%, color-mix(in oklab, var(--accent) 22%, transparent) 58%); color: inherit; }

/* —— C-10 代码块栏（语言与文件名），供脚本或渲染层输出 .code__bar —— */
.code__bar { display: flex; align-items: center; gap: 10px; min-height: 38px; padding: 0 6px 0 14px; border-bottom: 1px solid var(--line); font-family: var(--mono); font-size: var(--fs-xs); color: var(--faint); }
.code__file { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.code__lang { flex: none; }
.code__lang.is-unknown { font-style: italic; }
.code__bar .code-copy { margin-left: auto; width: auto; border: 0; background: none; }

/* —— C-14 评论：一条细线串起整段讨论 —— */
.pub-comments > .band .rail { display: grid; gap: var(--sp-2); justify-items: start; }
.pub-comments > .band .rail .figure { padding-left: 30px; }
.pub-comments > .band h2 { font-family: var(--serif); font-size: var(--fs-xl); font-weight: 600; letter-spacing: .04em; }
.thread { list-style: none; margin: 0; padding: 0; display: grid; position: relative; }
.thread::before { content: ""; position: absolute; left: 13px; top: 18px; bottom: 18px; width: 1px; background: var(--line); }
.remark { position: relative; display: grid; grid-template-columns: 28px minmax(0, 1fr); column-gap: 18px; padding-block: var(--sp-5); }
.remark__mark { position: relative; z-index: 1; width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; background: var(--bg); box-shadow: inset 0 0 0 1px var(--line-strong); font-family: var(--serif); font-size: 13px; color: var(--muted); }
.remark.is-author > .remark__mark { box-shadow: inset 0 0 0 1px var(--accent), 0 0 0 4px var(--bg), 0 0 14px 2px color-mix(in oklab, var(--accent) 35%, transparent); color: var(--accent); }
.remark__head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 12px; min-height: 28px; padding-top: 3px; }
.remark__name { font-weight: 600; font-size: var(--fs-sm); overflow-wrap: anywhere; min-width: 0; }
.remark__name a { text-decoration: none; }
.remark__name a:hover { color: var(--accent); }
.remark__role { font-family: var(--serif); font-size: 10.5px; letter-spacing: .24em; text-transform: uppercase; color: var(--accent); }
.remark__time { margin-left: auto; white-space: nowrap; }
.remark__to { font-size: var(--fs-xs); color: var(--faint); }
.remark__to b { font-weight: 500; color: var(--muted); }
.remark__text { margin-top: 6px; font-size: .97rem; line-height: 1.8; overflow-wrap: anywhere; white-space: pre-wrap; }
.remark__acts { margin-top: 8px; display: flex; gap: 18px; }
.remark__acts a, .remark__acts button { min-height: 32px; display: inline-flex; align-items: center; border: 0; background: none; padding: 0; font-size: var(--fs-xs); color: var(--faint); cursor: pointer; letter-spacing: .04em; text-decoration: none; transition: color var(--t-fast); }
.remark__acts a:hover, .remark__acts a:focus-visible, .remark__acts button:hover { color: var(--accent); }
.remark .thread { grid-column: 2; margin-top: var(--sp-2); }
.remark .thread::before { content: none; }
.remark .thread .remark { grid-template-columns: 22px minmax(0, 1fr); column-gap: 14px; padding-block: var(--sp-3); }
.remark .thread .remark__mark { width: 22px; height: 22px; font-size: 11px; }
.remark .thread .remark__head { min-height: 22px; padding-top: 0; }
.remark .thread .remark::before { content: ""; position: absolute; left: -32px; top: calc(var(--sp-3) + 11px); width: 20px; height: 1px; background: var(--line); }
@media (max-width: 719px) { .remark__time { margin-left: 0; width: 100%; } .pub-comments > .band .rail { display: flex; align-items: center; gap: var(--sp-3); } .pub-comments > .band .rail .figure { padding-left: 0; } }

/* —— C-15 撰写区：一个整体；错误集中在 .composer__errors —— */
.comment-result { margin-top: var(--sp-6); }
.comment-result:focus { outline: none; }
.comment-result:focus-visible > .notice { box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--accent); }
.pub-comments .composer { margin-top: var(--sp-6); }
.composer { position: relative; display: grid; border: 1px solid var(--line-strong); border-radius: var(--r-md); background: var(--surface); transition: border-color var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease); }
.composer:focus-within { border-color: color-mix(in oklab, var(--accent) 55%, var(--line-strong)); box-shadow: 0 0 0 4px color-mix(in oklab, var(--accent) 9%, transparent); }
.composer__to { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 16px; border-bottom: 1px solid var(--line); font-size: var(--fs-xs); color: var(--muted); }
.composer__to b { color: var(--fg); font-weight: 500; overflow-wrap: anywhere; }
.composer__to a, .composer__to button { border: 0; background: none; padding: 0; color: var(--faint); font-size: var(--fs-xs); cursor: pointer; text-decoration: none; white-space: nowrap; }
.composer__to a:hover, .composer__to button:hover { color: var(--fg); }
.composer__body { position: relative; }
.composer__body label { position: absolute; left: 16px; top: 14px; font-size: var(--fs-xs); color: var(--faint); letter-spacing: .04em; pointer-events: none; }
.composer__body textarea { display: block; width: 100%; min-height: 132px; resize: vertical; border: 0; background: none; padding: 38px 16px 14px; font-size: var(--fs-read); line-height: 1.8; color: var(--fg); }
.composer__ids { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); }
.composer__ids--one { grid-template-columns: 1fr; }
.composer__id { position: relative; display: grid; min-width: 0; }
.composer__id + .composer__id { border-left: 1px solid var(--line); }
.composer__id label { padding: 10px 16px 0; font-size: var(--fs-xs); color: var(--faint); letter-spacing: .04em; display: flex; gap: 6px; align-items: baseline; flex-wrap: wrap; }
.composer .req { color: var(--bad); }
.composer__id label small { color: var(--faint); font-size: 11px; }
.composer__id input { border: 0; background: none; padding: 2px 16px 12px; font-size: var(--fs-md); min-width: 0; width: 100%; color: var(--fg); }
/* 输入控件沿用原稿的整体 focus-within 柔圈，不再叠加局部边线。 */
.composer__body textarea:focus-visible, .composer__id input:focus-visible { box-shadow: none; outline: none; }
.composer__id input[aria-invalid="true"], .composer__body textarea[aria-invalid="true"] { background: linear-gradient(var(--bad), var(--bad)) 16px 100% / calc(100% - 32px) 1px no-repeat; }
.composer__errors { padding: 0 16px; display: grid; gap: 4px; }
.composer__errors:has(.field-error:not([hidden])) { padding-block: 10px; border-top: 1px solid var(--line); }
.field-error { font-size: var(--fs-xs); color: var(--bad); display: flex; gap: 6px; align-items: baseline; }
.field-error::before { content: "!"; flex: none; display: inline-grid; place-items: center; width: 14px; height: 14px; border-radius: 50%; background: var(--bad); color: var(--surface); font-size: 10px; font-weight: 700; transform: translateY(2px); }
.composer__foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 16px; padding: 10px 10px 10px 16px; border-top: 1px solid var(--line); background: color-mix(in oklab, var(--surface-2) 45%, var(--surface)); border-radius: 0 0 var(--r-md) var(--r-md); }
.composer__note { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; min-width: 0; flex: 1 1 20rem; }
.composer__note p { font-size: var(--fs-xs); color: var(--faint); line-height: 1.6; }
.composer__count { font-family: var(--mono); font-size: 11px; color: var(--faint); }
.composer__count.is-over { color: var(--bad); }
.comment-recovery { display: grid; gap: var(--sp-3); margin-block: var(--sp-5); }
.comment-recovery .composer__body textarea { min-height: 96px; }
@media (max-width: 599px) { .composer__ids { grid-template-columns: 1fr; } .composer__id + .composer__id { border-left: 0; border-top: 1px solid var(--line); } .composer__foot { align-items: stretch; } .composer__foot .btn { align-self: flex-end; } }

/* —— 页内切换（名录 / 动态） —— */
.switcher { display: flex; gap: 28px; }
.fr-switch { padding-bottom: var(--sp-5); }
.switcher [role="tab"] { position: relative; min-height: 40px; border: 0; background: none; padding: 6px 0 12px; font-family: var(--serif); font-size: var(--fs-lg); letter-spacing: .06em; color: var(--faint); cursor: pointer; display: inline-flex; gap: 4px; transition: color var(--t-fast); }
.switcher [role="tab"] sup { font-family: var(--mono); font-size: 10.5px; top: -.6em; color: inherit; }
.switcher [role="tab"]:hover { color: var(--muted); }
.switcher [role="tab"][aria-selected="true"] { color: var(--fg); font-weight: 600; }
.switcher [role="tab"][aria-selected="true"]::after { content: ""; position: absolute; left: 50%; bottom: 0; width: 5px; height: 5px; margin-left: -2.5px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px 1px color-mix(in oklab, var(--accent) 60%, transparent); }
.friends-panel { grid-column: wide; display: grid; grid-template-columns: subgrid; }
.friends-panel > .band, .friends-panel > .stream, .friends-panel > .roster { grid-column: wide; }
.friends-panel > .friends-empty { grid-column: main; padding-block: var(--sp-6); }
.friends-panel:focus, .friends-panel:focus-visible { outline: none; box-shadow: none; }

/* —— C-16 友链名录 —— */
.roster { grid-column: wide; display: grid; grid-template-columns: subgrid; padding-block: var(--sp-6); border-top: 1px solid var(--line); align-items: start; }
.roster > .rail { grid-column: rail; display: grid; gap: 6px; position: sticky; top: calc(var(--nav-h) + 24px); padding-top: 4px; }
.roster > .rail h2 { font-family: var(--serif); font-size: var(--fs-md); font-weight: 600; letter-spacing: .06em; }
.roster > .sites { grid-column: main / aside-end; }
.sites { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: var(--col-gap); }
.site { position: relative; display: grid; grid-template-columns: 32px minmax(0, 1fr); column-gap: 14px; padding-block: 16px; border-bottom: 1px solid var(--line); }
.site__mark { width: 32px; height: 32px; border-radius: 9px; display: grid; place-items: center; overflow: hidden; background: var(--surface); box-shadow: inset 0 0 0 1px var(--line); font-family: var(--serif); font-size: 15px; color: var(--muted); grid-row: span 3; transition: box-shadow var(--t-mid) var(--ease); }
.site__mark img { width: 100%; height: 100%; object-fit: cover; }
.site__name { display: flex; align-items: center; gap: 8px; min-width: 0; font-family: var(--serif); font-size: 1.05rem; font-weight: 600; letter-spacing: .02em; line-height: 1.5; }
.site__name a { text-decoration: none; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.site__name a::after { content: ""; position: absolute; inset: 0; }
.site__name a:focus-visible { box-shadow: none; outline: none; }
.site:has(.site__name a:focus-visible) { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: var(--r-xs); }
.site__go { flex: none; font-family: var(--sans); font-size: 12px; font-weight: 400; color: var(--faint); transition: transform var(--t-mid) var(--ease), color var(--t-fast); }
.site__desc { font-size: var(--fs-sm); color: var(--muted); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.site__host { font-family: var(--mono); font-size: 11.5px; color: var(--faint); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; letter-spacing: .01em; }
.site:hover .site__go, .site:focus-within .site__go { transform: translate(2px, -2px); color: var(--accent); }
.site:hover .site__mark, .site:focus-within .site__mark { box-shadow: inset 0 0 0 1px var(--accent), 0 0 12px 1px color-mix(in oklab, var(--accent) 30%, transparent); }
.site:hover .site__host, .site:focus-within .site__host { color: var(--muted); }
@media (max-width: 1079px) { .roster > .sites { grid-column: main; } }
@media (max-width: 719px) { .roster { grid-template-columns: 1fr; gap: var(--sp-3); } .roster > * { grid-column: 1 !important; } .roster > .rail { position: static; } .sites { grid-template-columns: 1fr; } }

/* —— C-17 朋友动态：状态行、订阅源、动态条目 —— */
.feed-head { padding-block: var(--sp-5); border-top: 1px solid var(--line); }
.feed-head > .rail { padding-top: 2px; }
.feed-head__main { display: grid; gap: var(--sp-3); justify-items: start; }
.pulse { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 2px 10px; font-size: var(--fs-xs); color: var(--muted); }
.pulse.is-warn .lumen { background: var(--warn); box-shadow: 0 0 10px 1px color-mix(in oklab, var(--warn) 50%, transparent); }
.pulse.is-bad .lumen { background: var(--bad); box-shadow: 0 0 10px 1px color-mix(in oklab, var(--bad) 50%, transparent); }
.pulse.is-idle .lumen { background: var(--faint); box-shadow: none; }
.sources { font-size: var(--fs-sm); color: var(--muted); width: 100%; }
.sources summary { min-height: 32px; display: flex; align-items: center; cursor: pointer; width: fit-content; color: var(--faint); font-size: var(--fs-xs); letter-spacing: .04em; }
.sources summary:hover { color: var(--fg); }
.sources ul { list-style: none; margin: var(--sp-3) 0 0; padding: 0; display: grid; }
.sources li { display: grid; grid-template-columns: 5px minmax(0, 11rem) minmax(0, 1fr); gap: 2px 14px; align-items: baseline; padding-block: var(--sp-2); border-top: 1px solid var(--line); }
.sources li .lumen { transform: translateY(-2px); background: var(--faint); box-shadow: none; }
.sources li.is-ok .lumen { background: var(--ok); }
.sources li.is-warn .lumen { background: var(--warn); box-shadow: 0 0 8px 1px color-mix(in oklab, var(--warn) 45%, transparent); }
.sources li b { font-weight: 500; color: var(--fg); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sources li .why { color: var(--faint); font-size: var(--fs-xs); overflow-wrap: anywhere; }
.sources li.is-warn .why { color: var(--muted); }
.stream { grid-column: wide; display: grid; grid-template-columns: subgrid; list-style: none; margin: 0; padding: 0; }
.drift { grid-column: wide; position: relative; display: grid; grid-template-columns: subgrid; padding-block: var(--sp-5); border-top: 1px solid var(--line); align-items: first baseline; }
.drift > .drift__src { grid-column: rail; display: grid; gap: 4px; min-width: 0; }
.drift__src b { font-size: var(--fs-sm); font-weight: 500; color: var(--fg); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.drift__src .figure { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.drift > .drift__body { grid-column: main; display: grid; gap: 6px; min-width: 0; }
.drift > .drift__time { grid-column: aside; justify-self: end; }
.drift--empty > p { grid-column: main; }
.drift__title { font-family: var(--serif); font-size: 1.15rem; font-weight: 600; line-height: 1.5; letter-spacing: .02em; overflow-wrap: anywhere; }
.drift__title a { text-decoration: none; }
.drift__title a::after { content: ""; position: absolute; inset: 0; }
.drift__title a:focus-visible { box-shadow: none; outline: 2px solid var(--accent); outline-offset: 4px; border-radius: var(--r-xs); }
.drift__title .site__go { margin-left: 6px; }
.drift__sum { font-size: var(--fs-sm); color: var(--muted); line-height: 1.75; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.drift:hover .site__go, .drift:focus-within .site__go { transform: translate(2px, -2px); color: var(--accent); }
@media (max-width: 1079px) { .drift > .drift__time { grid-column: rail; justify-self: start; } }
@media (max-width: 719px) { .feed-head > .rail { display: none; } .sources li { grid-template-columns: 5px minmax(0, 1fr); } .sources li .why { grid-column: 2; } .drift { align-items: start; } .drift > .drift__src { display: flex; gap: 10px; align-items: baseline; margin-bottom: 4px; } .drift > .drift__time { grid-row: 1; justify-self: end; } }

/* —— 母题四：光晕 [data-glow]。光层向外伸展，指针坐标写入 --mx / --my（相对容器） —— */
[data-glow] { position: relative; isolation: isolate; --mx: -999px; --my: -999px; --glow-x: min(32px, var(--gutter-l)); }
[data-glow]::after { content: ""; position: absolute; inset: -32px calc(-1 * var(--glow-x)); z-index: -1; pointer-events: none; border-radius: 28px; background: radial-gradient(280px circle at calc(var(--mx) + var(--glow-x)) calc(var(--my) + 32px), var(--accent-soft), transparent 70%); opacity: 0; transition: opacity var(--t-mid) var(--ease); display: none; }
@media (hover: hover) and (min-width: 720px) { [data-glow]::after { display: block; } }
@media (hover: hover) { [data-glow].is-lit::after { opacity: 1; } }
.reduce-motion [data-glow]::after { display: none; }

/* —— C-09 目录：收起时左右栏等宽，正文保持原稿的居中阅读位置。 —— */
@media (min-width: 1080px) {
  main .frame { transition: grid-template-columns var(--t-mid) var(--ease); }
  .toc-collapsed main .frame { --rail: 11rem; --aside: 11rem; }
  .toc-anim-off main .frame { transition: none; }
  .pub-toc-head .eyebrow { max-width: 12rem; overflow: hidden; transition: max-width var(--t-mid) var(--ease), opacity var(--t-mid) var(--ease); }
  .pub-toc.is-collapsed .pub-toc-head .eyebrow { max-width: 0; opacity: 0; }
}
.toc-fab { position: fixed; z-index: 30; right: calc(16px + env(safe-area-inset-right, 0px)); bottom: calc(16px + env(safe-area-inset-bottom, 0px)); display: inline-flex; align-items: center; gap: 8px; height: 44px; padding: 0 16px; border-radius: var(--r-pill); border: 1px solid var(--line); background: color-mix(in oklab, var(--surface) 90%, transparent); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); box-shadow: var(--shadow-float); font-size: var(--fs-sm); color: var(--fg); cursor: pointer; max-width: calc(100vw - 32px); transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease); }
.toc-fab svg { width: 16px; height: 16px; flex: none; }
.toc-fab span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 14em; }
@media (min-width: 1080px) { .toc-fab { display: none; } }
.pub-toc-sheet header h2 { font-family: var(--serif); font-size: var(--fs-md); }
.pub-toc-sheet header button svg { width: 20px; height: 20px; }
@media (prefers-reduced-motion: reduce) {
  [data-glow]::after { display: none; }
  .pub-search-form.is-busy .seek__trail::before, .pub-search-form.is-busy .seek__trail::after { animation: none; transform: translateX(calc(var(--seek-w, 600px) / 2)); }
  .site:hover .site__go, .site:focus-within .site__go, .drift:hover .site__go, .drift:focus-within .site__go { transform: none; }
}

/* —— 正文：任务列表与脚注（对应设计稿 C-08 的 .task-list / .fn-ref / .footnotes） —— */
.pub-prose li:has(> input[type="checkbox"]:first-child) { list-style: none; margin-left: -1.5em; display: flex; gap: 10px; align-items: baseline; }
.pub-prose li > input[type="checkbox"]:first-child { appearance: none; flex: none; margin: 0; width: 15px; height: 15px; border: 1.5px solid var(--line-strong); border-radius: 4px; transform: translateY(2px); display: inline-grid; place-items: center; }
.pub-prose li > input[type="checkbox"]:first-child:checked { background: var(--muted); border-color: var(--muted); }
.pub-prose li > input[type="checkbox"]:first-child:checked::after { content: ""; width: 7px; height: 4px; border: 1.5px solid var(--bg); border-top: 0; border-right: 0; transform: rotate(-45deg) translate(1px, -1px); }
.pub-prose li:has(> input[type="checkbox"]:checked:first-child) { color: var(--muted); }
.pub-prose sup:has(> .footnote-ref) { line-height: 0; }
.pub-prose .footnote-ref { font-size: .72em; vertical-align: super; line-height: 0; text-decoration: none; color: var(--accent); padding: 0 1px; font-variant-numeric: tabular-nums; }
.pub-prose .footnote-ref::before { content: "["; } .pub-prose .footnote-ref::after { content: "]"; }
.pub-prose .footnotes { margin-top: 3em; padding-top: 1.4em; border-top: 1px solid var(--line); font-size: var(--fs-sm); color: var(--muted); }
.pub-prose .footnotes > hr { display: none; }
.pub-prose .footnotes ol { padding-left: 1.4em; }
.pub-prose .footnotes li + li { margin-top: .4em; }
.pub-prose .footnote-backref { text-decoration: none; color: var(--accent); margin-left: 4px; font-family: var(--sans); }
.pub-prose sup:target .footnote-ref, .pub-prose .footnotes li:target { background: var(--accent-soft); border-radius: var(--r-xs); }
.pub-prose [id^="fn:"], .pub-prose [id^="fnref"] { scroll-margin-top: calc(var(--nav-h) + 24px); }
.pub-prose iframe{display:block;width:100%;max-width:100%;aspect-ratio:16/9;min-height:200px;border:0;margin-block:var(--sp-6)}
.pub-social{display:flex;align-items:center;flex-wrap:wrap;gap:var(--sp-4);margin-block:var(--sp-4);font-size:var(--fs-sm);color:var(--muted)}
.pub-like{border:1px solid var(--line-strong);border-radius:var(--r-pill,999px);padding:6px 14px;background:transparent;color:var(--fg);font:inherit;cursor:pointer}
.pub-like:hover,.pub-like[aria-pressed=true]{color:var(--accent);border-color:var(--accent)}
.pub-like:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.pub-like:disabled{cursor:default}
.pub-social-result{font-size:var(--fs-xs);flex-basis:100%}
.sites .friend-group-heading{grid-column:1/-1;padding-top:var(--sp-6);list-style:none;border-bottom:1px solid var(--line)}
.friend-group-heading h3{margin:0 0 var(--sp-3);font-size:var(--fs-lg);font-weight:500}
.pub-friend-apply{grid-column:wide;display:grid;grid-template-columns:subgrid;margin-top:var(--sp-8);padding-top:var(--sp-8);border-top:1px solid var(--line)}
.pub-friend-apply>.band{grid-column:wide}.friend-application{grid-column:main;padding-block:var(--sp-6)}
.friend-apply-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--sp-5)}
.friend-apply-fields label{display:grid;gap:var(--sp-2);font-size:var(--fs-sm);color:var(--muted)}
.friend-apply-fields input,.friend-apply-fields textarea{width:100%;min-width:0;background:var(--bg);border:1px solid var(--line-strong);border-radius:var(--r-sm);padding:10px 12px;color:var(--fg);font:inherit}
.friend-apply-fields input:focus-visible,.friend-apply-fields textarea:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.friend-apply-wide{grid-column:1/-1}.friend-apply-actions{margin-top:var(--sp-5);display:flex;flex-wrap:wrap;gap:var(--sp-4);align-items:center}.friend-apply-actions p{font-size:var(--fs-sm);color:var(--muted);overflow-wrap:anywhere}
@media(max-width:639px){.friend-apply-fields{grid-template-columns:1fr}.friend-application{margin-left:0}.pub-prose iframe{min-height:160px}}
.remark__mark img{display:block;width:100%;height:100%;object-fit:cover;border-radius:inherit}
.composer__subscription{margin-block:var(--sp-4);font-size:var(--fs-sm);color:var(--muted)}.composer__subscription input{width:auto;margin-right:var(--sp-2)}