/* Independent section previews, extending the approved moonlight / white-jade themes. */
body.is-sections-demo {
  --section-panel: rgba(12, 29, 49, .92);
  --section-soft: rgba(22, 43, 63, .78);
  --section-inset: rgba(5, 17, 33, .58);
  --section-border: rgba(174, 196, 218, .25);
  --section-shadow: 0 16px 42px -24px rgba(1, 7, 18, .7);
  --section-highlight: rgba(244, 232, 197, .09);
  --section-on-accent: #172719;
  --section-accent-fill: #d2c08e;
  --section-image-shade: rgba(4, 16, 31, .3);
}
html[data-theme="light"] body.is-sections-demo {
  --section-panel: rgba(244, 249, 239, .94);
  --section-soft: rgba(224, 237, 221, .82);
  --section-inset: rgba(212, 229, 209, .54);
  --section-border: rgba(76, 111, 88, .24);
  --section-shadow: 0 16px 40px -28px rgba(28, 64, 42, .45);
  --section-highlight: rgba(101, 138, 94, .11);
  --section-on-accent: #fffbea;
  --section-accent-fill: #426e4e;
  --section-image-shade: rgba(34, 64, 43, .06);
}
.is-sections-demo #content-panel {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  overflow: visible;
}
.is-sections-demo #panel-content { margin-top: 0; }
.is-sections-demo :is(.section-layout, .article-layout, .about-layout, .reader-layout) > * { min-width: 0; }
.is-sections-demo :is(.muted, .section-count) { color: var(--text-muted); font-size: 12px; line-height: 1.8; }
.is-sections-demo .section-eyebrow { color: var(--gold); font-size: 11px; font-weight: 500; letter-spacing: .16em; line-height: 1.8; }
.is-sections-demo .demo-notice {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 5px 20px;
  padding: 9px 15px;
  margin: -22px 0 24px;
  border: 1px solid var(--section-border);
  border-radius: 12px;
  color: var(--text-muted);
  background: var(--section-panel);
  font-size: 12px;
  line-height: 1.7;
}
.is-sections-demo .demo-notice > :first-child { color: var(--gold); }
.is-sections-demo :is(.section-card, .widget-card, .post-card, .moment-card, .message-card, .bookmark-card, .project-card, .friend-card, .album-card, .novel-card, .article-detail, .reader-page, .about-profile) {
  min-width: 0;
  border: 1px solid var(--section-border);
  border-radius: 21px;
  background: var(--section-panel);
  box-shadow: var(--section-shadow), inset 0 1px rgba(238, 245, 237, .06);
}
.is-sections-demo :is(.section-card, .widget-card, .moment-card, .message-card, .article-detail, .about-profile) { padding: 26px; }
.is-sections-demo :is(.section-card, .widget-card, .post-card, .moment-card, .message-card, .bookmark-card, .project-card, .friend-card, .album-card, .novel-card) a:hover { text-decoration: none; }
.is-sections-demo :is(.section-card, .widget-card, .post-card, .moment-card, .message-card, .bookmark-card, .project-card, .friend-card, .album-card, .novel-card) h3 { overflow-wrap: anywhere; }
.is-sections-demo :is(.section-card, .widget-card) > :first-child { margin-top: 0; }
.is-sections-demo :is(.section-card, .widget-card) > :last-child { margin-bottom: 0; }

/* Page identity: a quiet literary heading and real artwork at its edge. */
.is-sections-demo .section-hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  isolation: isolate;
  min-width: 0;
  min-height: 206px;
  overflow: hidden;
  gap: 28px;
  padding: 34px 38px;
  margin-bottom: 24px;
  border: 1px solid var(--section-border);
  border-radius: 24px;
  background: var(--section-panel);
  box-shadow: var(--section-shadow), inset 0 1px rgba(238, 245, 237, .08);
}
.is-sections-demo .hero-art {
  position: absolute;
  z-index: -3;
  inset: 0 0 0 auto;
  width: 44%;
  height: 100%;
  object-fit: cover;
  object-position: 74% 42%;
  opacity: .72;
  filter: saturate(.65);
  pointer-events: none;
}
.is-sections-demo .hero-art[src=""] { display: none; }
.is-sections-demo .section-hero::after {
  content: "";
  position: absolute;
  z-index: -2;
  inset: 0;
  background: linear-gradient(90deg, var(--section-panel) 0%, var(--section-panel) 42%, transparent 94%);
  pointer-events: none;
}
.is-sections-demo .section-hero-copy { min-width: 0; max-width: 72%; }
.is-sections-demo .eyebrow { color: var(--gold); font-size: 11px; font-weight: 500; letter-spacing: .19em; line-height: 1.7; }
.is-sections-demo .section-hero h2 {
  margin: 11px 0 9px;
  color: var(--text);
  font-family: "Noto Serif SC", "Noto Serif CJK SC", "Songti SC", serif;
  font-size: clamp(29px, 4vw, 40px);
  line-height: 1.3;
  letter-spacing: .1em;
  font-weight: 500;
}
.is-sections-demo .section-description { max-width: 53ch; margin: 0; color: var(--text-muted); font-size: 14px; line-height: 1.9; }
.is-sections-demo .section-kpi { flex: 0 0 auto; min-width: 110px; text-align: right; color: var(--text-muted); font-size: 12px; line-height: 1.8; }
.is-sections-demo .section-kpi strong { display: block; color: var(--gold); font-family: Georgia, serif; font-weight: 400; font-size: 40px; line-height: 1.2; }
.is-sections-demo .section-kpi { padding: 10px 16px; border-radius: 14px; background: var(--section-inset); backdrop-filter: blur(12px); }
.is-sections-demo .section-tabs button.active { color: var(--text); border-color: var(--gold); background: var(--section-soft); }
.is-sections-demo .lyric-seek { display: block; width: 100%; text-align: center; }
.is-sections-demo .lyric-seek.is-active { color: var(--gold); font-weight: 600; }
.is-sections-demo .section-kpi > span { display: block; }
.is-sections-demo .section-kpi b { color: var(--gold); font-family: Georgia, serif; font-size: 29px; font-weight: 400; }
.is-sections-demo .section-toolbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 20px; margin: 22px 0; }
.is-sections-demo .section-tabs { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.is-sections-demo :is(.section-tabs button, .filter-tab) { min-height: 44px; padding: 10px 17px; border: 1px solid transparent; border-radius: 12px; background: var(--section-panel); color: var(--text-muted); font-size: 13px; line-height: 1.6; transition: color .18s, border-color .18s, background-color .18s; }
.is-sections-demo :is(.section-tabs button, .filter-tab):hover { color: var(--gold); border-color: var(--section-border); }
.is-sections-demo :is(.section-tabs button, .filter-tab).is-active,
.is-sections-demo :is(.section-tabs button, .filter-tab)[aria-pressed="true"] { color: var(--text); border-color: var(--gold); background: var(--section-soft); }
.is-sections-demo .section-filter-input { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; min-width: 0; }
.is-sections-demo :is(.section-filter-input input, .section-filter-input select) { width: auto; min-width: 0; max-width: 100%; min-height: 44px; padding: 10px 14px; border: 1px solid var(--section-border); border-radius: 12px; color: var(--text); background: var(--section-panel); font: inherit; font-size: 13px; }
.is-sections-demo .section-filter-input input { width: min(240px, 100%); }
.is-sections-demo input.section-filter-input { display: block; flex: 1 1 260px; min-width: 0; width: auto; min-height: 44px; padding: 11px 15px; border: 1px solid var(--section-border); border-radius: 12px; color: var(--text); background: var(--section-panel); font: inherit; font-size: 14px; }
.is-sections-demo input.section-filter-input::placeholder { color: var(--text-muted); opacity: .8; }
.is-sections-demo .section-count { color: var(--text-muted); font-size: 12px; white-space: nowrap; }
.is-sections-demo .section-layout { display: grid; grid-template-columns: minmax(0, 2fr) minmax(230px, 1fr); gap: 24px; align-items: start; }
.is-sections-demo .section-sidebar { display: flex; flex-direction: column; gap: 20px; min-width: 0; }
.is-sections-demo :is(.widget-heading, .section-card > h3, .comment-form > h3) { margin: 0 0 16px; color: var(--text); font-family: "Noto Serif SC", "Noto Serif CJK SC", serif; font-size: 18px; font-weight: 500; letter-spacing: .07em; }
.is-sections-demo .widget-card p { margin: 10px 0 0; color: var(--text-muted); font-size: 13px; line-height: 1.85; }
.is-sections-demo .tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.is-sections-demo :is(.tag-cloud button, .tag-cloud a, .post-tags .tag, .project-tags .tag) { display: inline-flex; align-items: center; min-height: 30px; gap: 6px; padding: 5px 10px; border: 1px solid var(--section-border); border-radius: 8px; color: var(--text-muted); background: var(--section-highlight); font-size: 11px; line-height: 1.5; }
.is-sections-demo .tag-cloud :is(button, a) { min-height: 44px; }
.is-sections-demo .tag-cloud :is(button, a):hover { color: var(--gold); border-color: var(--gold); }

/* Posts: image-led cards, then a full reading surface and side directory. */
.is-sections-demo .post-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.is-sections-demo .post-card { display: flex; flex-direction: column; overflow: hidden; text-decoration: none; transition: border-color .2s, box-shadow .2s; }
.is-sections-demo .post-card:hover { border-color: var(--gold); box-shadow: var(--section-shadow), 0 0 0 1px var(--section-highlight); text-decoration: none; }
.is-sections-demo .post-card > a { display: block; }
.is-sections-demo .post-cover { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; filter: saturate(.78); background: var(--section-soft); }
.is-sections-demo .post-copy { display: flex; flex: 1; flex-direction: column; padding: 23px; min-width: 0; }
.is-sections-demo .post-meta { display: flex; flex-wrap: wrap; gap: 7px 14px; color: var(--text-muted); font-size: 11px; line-height: 1.7; }
.is-sections-demo .post-meta > :first-child { color: var(--gold); }
.is-sections-demo .post-card h3 { margin: 13px 0 10px; color: var(--text); font-family: "Noto Serif SC", "Noto Serif CJK SC", serif; font-size: 19px; font-weight: 500; line-height: 1.65; letter-spacing: .025em; }
.is-sections-demo .post-card p { margin: 0 0 18px; color: var(--text-muted); font-size: 13px; line-height: 1.9; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.is-sections-demo .post-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; }
.is-sections-demo .post-copy > .post-meta:last-child { margin-top: 18px; }
.is-sections-demo .pagination { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; margin: 30px 0 4px; }
.is-sections-demo .pagination button { min-width: 44px; min-height: 44px; padding: 8px 12px; border: 1px solid var(--section-border); border-radius: 10px; color: var(--text-muted); background: var(--section-panel); }
.is-sections-demo .pagination button.is-active { color: var(--text); border-color: var(--gold); background: var(--section-soft); }
.is-sections-demo .pagination button:disabled { opacity: .4; }
.is-sections-demo .detail-back { display: inline-flex; align-items: center; min-height: 44px; margin-bottom: 13px; color: var(--text-muted); font-size: 13px; }
.is-sections-demo .detail-back:hover { color: var(--gold); text-decoration: none; }
.is-sections-demo .article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 240px; gap: 24px; align-items: start; }
.is-sections-demo .article-detail { padding: 34px 38px; }
.is-sections-demo .article-title { margin: 8px 0 18px; font-family: "Noto Serif SC", "Noto Serif CJK SC", serif; font-size: clamp(26px, 3.5vw, 36px); line-height: 1.5; letter-spacing: .055em; font-weight: 500; overflow-wrap: anywhere; }
.is-sections-demo .article-detail > .post-cover { margin: 26px 0 8px; border-radius: 15px; }
.is-sections-demo .article-cover { display: block; width: 100%; max-width: 100%; height: auto; aspect-ratio: 16 / 9; margin: 26px 0 8px; border-radius: 15px; object-fit: cover; }
.is-sections-demo .article-body { padding-top: 15px; font-size: 16px; line-height: 1.95; color: var(--text); overflow-wrap: anywhere; }
.is-sections-demo .article-body :is(h2, h3) { margin: 34px 0 14px; font-family: "Noto Serif SC", "Noto Serif CJK SC", serif; font-weight: 500; line-height: 1.6; letter-spacing: .05em; scroll-margin-top: calc(var(--header-height, 66px) + 24px); }
.is-sections-demo .article-body h2 { font-size: 24px; padding-bottom: 12px; border-bottom: 1px solid var(--section-border); }
.is-sections-demo .article-body h3 { font-size: 20px; }
.is-sections-demo .article-body p { margin: 17px 0; }
.is-sections-demo .article-body :is(ul, ol) { padding-left: 24px; }
.is-sections-demo .article-body blockquote { margin: 25px 0; padding: 16px 22px; border-left: 2px solid var(--gold); border-radius: 0 12px 12px 0; color: var(--text-muted); background: var(--section-highlight); }
.is-sections-demo .article-body blockquote p { margin: 0; }
.is-sections-demo .article-body pre { max-width: 100%; margin: 22px 0; padding: 19px 21px; overflow-x: auto; border: 1px solid var(--section-border); border-radius: 12px; background: var(--section-inset); font-size: 13px; line-height: 1.8; }
.is-sections-demo .article-body code { font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; }
.is-sections-demo .article-body :not(pre) > code { padding: 2px 6px; border-radius: 4px; background: var(--section-highlight); color: var(--gold); font-size: .86em; }
.is-sections-demo .article-toc { position: sticky; top: calc(var(--header-height, 66px) + 24px); max-height: calc(100dvh - var(--header-height, 66px) - 64px); overflow-y: auto; padding: 24px; border: 1px solid var(--section-border); border-radius: 18px; background: var(--section-panel); }
.is-sections-demo .article-toc :is(h3, h4) { margin: 0 0 14px; color: var(--gold); font-size: 13px; font-weight: 500; }
.is-sections-demo .article-toc a { display: block; min-height: 40px; padding: 8px 0; color: var(--text-muted); font-size: 12px; line-height: 1.8; }
.is-sections-demo .article-toc a:hover { color: var(--gold); text-decoration: none; }
.is-sections-demo .article-toc button.text-button { display: flex; justify-content: flex-start; width: 100%; min-height: 44px; padding: 9px 0; text-align: left; font-size: 12px; line-height: 1.8; }
.is-sections-demo .search-result { display: block; min-width: 0; min-height: 44px; padding: 17px 0; color: var(--text); font-size: 14px; line-height: 1.85; text-decoration: none; overflow-wrap: anywhere; }
.is-sections-demo .search-result + .search-result { border-top: 1px solid var(--section-border); }
.is-sections-demo .search-result:hover { color: var(--gold); text-decoration: none; }
.is-sections-demo .search-result strong { font-weight: 500; }
.is-sections-demo .search-result p { margin: 6px 0 0; color: var(--text-muted); font-size: 12px; }

/* Shared forms and feedback keep the original interaction model legible. */
.is-sections-demo :is(.primary-button, .secondary-button, .text-button) { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 10px 18px; border: 1px solid var(--section-border); border-radius: 12px; font: inherit; font-size: 13px; line-height: 1.6; text-decoration: none; transition: color .18s, border-color .18s, background-color .18s; }
.is-sections-demo .primary-button { color: var(--section-on-accent); border-color: var(--section-accent-fill); background: var(--section-accent-fill); }
.is-sections-demo .secondary-button { color: var(--text); background: var(--section-soft); }
.is-sections-demo .text-button { padding-inline: 10px; border-color: transparent; color: var(--text-muted); background: transparent; }
.is-sections-demo :is(.primary-button, .secondary-button):hover { filter: brightness(1.08); text-decoration: none; }
.is-sections-demo .text-button:hover { color: var(--gold); text-decoration: none; }
.is-sections-demo :is(.primary-button, .secondary-button, .text-button):disabled { opacity: .45; }
.is-sections-demo .demo-form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.is-sections-demo :is(.comment-form, .demo-form) { margin-top: 24px; }
.is-sections-demo :is(.comment-form, .demo-form) label { display: flex; flex-direction: column; gap: 8px; min-width: 0; margin: 13px 0; color: var(--text-muted); font-size: 13px; }
.is-sections-demo :is(.comment-form, .demo-form) :is(input, textarea, select) { display: block; width: 100%; min-width: 0; min-height: 44px; padding: 11px 13px; border: 1px solid var(--section-border); border-radius: 10px; background: var(--section-inset); color: var(--text); font: inherit; font-size: 14px; line-height: 1.7; }
.is-sections-demo :is(.comment-form, .demo-form) textarea { min-height: 116px; resize: vertical; }
.is-sections-demo :is(.comment-form, .demo-form) input::placeholder,
.is-sections-demo :is(.comment-form, .demo-form) textarea::placeholder { color: var(--text-muted); opacity: .75; }
.is-sections-demo .form-help { color: var(--text-muted); font-size: 12px; line-height: 1.8; }
.is-sections-demo .form-error { color: #edb3a1; font-size: 13px; line-height: 1.8; }
html[data-theme="light"] .is-sections-demo .form-error { color: #934c33; }
.is-sections-demo .comment-list { display: flex; flex-direction: column; gap: 20px; margin-top: 25px; }
.is-sections-demo .comment-item { display: flex; align-items: flex-start; gap: 13px; min-width: 0; }
.is-sections-demo .comment-item > img { flex: 0 0 38px; width: 38px; height: 38px; border-radius: 50%; object-fit: cover; border: 1px solid var(--section-border); }
.is-sections-demo .comment-copy { flex: 1; min-width: 0; color: var(--text-muted); font-size: 13px; line-height: 1.9; overflow-wrap: anywhere; }
.is-sections-demo .comment-copy strong { color: var(--text); font-weight: 500; }
.is-sections-demo .comment-copy p { margin: 6px 0; }
.is-sections-demo .comment-copy time { font-size: 11px; opacity: .8; }
.is-sections-demo .reply-list { margin: 15px 0 0 12px; padding-left: 16px; border-left: 1px solid var(--section-border); }
.is-sections-demo .reply-list .comment-item + .comment-item { margin-top: 15px; }
.is-sections-demo .reply-list summary { min-height: 44px; padding-block: 9px; color: var(--text-muted); font-size: 12px; cursor: pointer; }
.is-sections-demo .reply-list summary:hover { color: var(--gold); }
.is-sections-demo .reply-list summary:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

/* Moments and messages feel like letters rather than a second article feed. */
.is-sections-demo :is(.moment-feed, .message-board) { display: flex; flex-direction: column; gap: 22px; }
.is-sections-demo .moment-card { padding: 28px 30px; }
.is-sections-demo .moment-head { display: flex; align-items: center; gap: 13px; margin-bottom: 20px; }
.is-sections-demo .moment-head img { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; border: 1px solid var(--section-border); }
.is-sections-demo .moment-head :is(strong, h3) { display: block; margin: 0 0 4px; color: var(--text); font-size: 15px; font-weight: 500; }
.is-sections-demo .moment-head :is(time, small) { color: var(--text-muted); font-size: 11px; }
.is-sections-demo .moment-card > p { color: var(--text); font-size: 15px; line-height: 1.95; white-space: pre-line; }
.is-sections-demo .moment-images { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin: 18px 0; }
.is-sections-demo .moment-images > :only-child { grid-column: 1 / -1; }
.is-sections-demo .moment-images img { display: block; width: 100%; height: auto; max-height: 350px; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 12px; }
.is-sections-demo .moment-images button { padding: 0; border: 0; border-radius: 12px; overflow: hidden; background: transparent; }
.is-sections-demo .moment-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 6px 18px; padding-top: 13px; border-top: 1px solid var(--section-border); }
.is-sections-demo .moment-actions button { min-height: 44px; padding: 8px 0; border: 0; color: var(--text-muted); background: transparent; font: inherit; font-size: 12px; }
.is-sections-demo .moment-actions button:hover,
.is-sections-demo .moment-actions button[aria-pressed="true"] { color: var(--gold); }
.is-sections-demo .message-card { position: relative; padding: 25px 28px; }
.is-sections-demo .message-card > p { color: var(--text); line-height: 1.9; font-size: 15px; margin: 16px 0; white-space: pre-line; overflow-wrap: anywhere; }
.is-sections-demo .message-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 14px; color: var(--text-muted); font-size: 11px; }
.is-sections-demo .message-meta strong { color: var(--text); font-weight: 500; font-size: 14px; }
.is-sections-demo .message-meta img { width: 36px; height: 36px; object-fit: cover; border-radius: 50%; }
.is-sections-demo .status-pill { display: inline-flex; align-items: center; width: max-content; max-width: 100%; min-height: 25px; padding: 3px 9px; border: 1px solid var(--section-border); border-radius: 7px; background: var(--section-highlight); color: var(--gold); font-size: 10px; line-height: 1.6; }

/* Small resources, projects and kindred sites each get a distinct silhouette. */
.is-sections-demo :is(.bookmark-grid, .friend-grid, .album-grid, .novel-grid) { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.is-sections-demo .bookmark-card { position: relative; display: flex; align-items: flex-start; gap: 16px; padding: 24px 21px; color: var(--text); text-decoration: none; transition: border-color .2s; }
.is-sections-demo .bookmark-card:hover { border-color: var(--gold); text-decoration: none; }
.is-sections-demo .bookmark-card > div { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.is-sections-demo .bookmark-card .post-tags { margin-top: 12px; }
.is-sections-demo .bookmark-icon { flex: 0 0 44px; display: grid; place-items: center; width: 44px; height: 44px; border: 1px solid var(--section-border); border-radius: 12px; color: var(--gold); background: var(--section-soft); font-family: Georgia, serif; font-size: 22px; }
.is-sections-demo .bookmark-icon img { width: 25px; height: 25px; object-fit: contain; }
.is-sections-demo .bookmark-card h3 { margin: 2px 0 7px; font-size: 15px; font-weight: 500; line-height: 1.6; }
.is-sections-demo .bookmark-card p { margin: 0; color: var(--text-muted); font-size: 12px; line-height: 1.85; }
.is-sections-demo .project-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.is-sections-demo .project-card { display: flex; flex-direction: column; overflow: hidden; padding: 0 0 25px; }
.is-sections-demo .project-card > img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 8; object-fit: cover; filter: saturate(.72); }
.is-sections-demo .project-card > :not(img) { margin-left: 25px; margin-right: 25px; }
.is-sections-demo .project-card h3 { margin-top: 22px; margin-bottom: 8px; color: var(--text); font-family: "Noto Serif SC", "Noto Serif CJK SC", serif; font-size: 22px; font-weight: 500; }
.is-sections-demo .project-card p { margin-top: 0; margin-bottom: 20px; color: var(--text-muted); font-size: 13px; line-height: 1.9; }
.is-sections-demo .project-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 20px; }
.is-sections-demo .project-links { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; }
.is-sections-demo .friend-card { display: flex; align-items: center; gap: 17px; padding: 25px 23px; color: var(--text); text-decoration: none; transition: border-color .2s; }
.is-sections-demo .friend-card:hover { border-color: var(--gold); text-decoration: none; }
.is-sections-demo .friend-card img { flex: 0 0 56px; width: 56px; height: 56px; border: 2px solid var(--section-border); border-radius: 50%; object-fit: cover; }
.is-sections-demo .friend-card h3 { margin: 0 0 7px; font-family: "Noto Serif SC", "Noto Serif CJK SC", serif; font-size: 17px; font-weight: 500; }
.is-sections-demo .friend-card p { margin: 0; color: var(--text-muted); font-size: 12px; line-height: 1.8; }
.is-sections-demo .friend-scene { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; padding: 8px 0 24px; }
.is-sections-demo .friend-scene .friend-card { min-width: 0; min-height: 190px; flex-direction: column; align-items: center; gap: 12px; text-align: center; }
.is-sections-demo .friend-bottle { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 13px; min-width: 84px; min-height: 112px; padding: 10px 16px; border: 0; border-radius: 16px; color: var(--text); background: transparent; font: inherit; font-size: 15px; cursor: grab; touch-action: pan-y; transition: color .2s, filter .2s; }
.is-sections-demo .friend-bottle:active { cursor: grabbing; }
.is-sections-demo .friend-bottle img { display: block; flex: none; width: 58px; height: 72px; border: 0; border-radius: 0; object-fit: contain; }
.is-sections-demo .friend-bottle:hover { color: var(--gold); filter: drop-shadow(0 0 9px rgba(90, 198, 147, .38)); }
.is-sections-demo .friend-detail { text-align: center; }
.is-sections-demo .friend-detail > img { display: block; width: 90px; height: 90px; margin: 6px auto 20px; border: 2px solid var(--section-border); border-radius: 50%; object-fit: cover; }
.is-sections-demo .friend-detail h3 { margin: 12px 0; font-family: "Noto Serif SC", "Noto Serif CJK SC", serif; font-size: 26px; font-weight: 500; }
.is-sections-demo .friend-detail p { max-width: 45ch; margin: 14px auto 24px; color: var(--text-muted); font-size: 14px; line-height: 1.9; }

/* Albums preserve the photograph itself; the dialog is a separate dark stage. */
.is-sections-demo .album-card { overflow: hidden; color: var(--text); text-decoration: none; transition: border-color .2s; }
.is-sections-demo .album-card:hover { border-color: var(--gold); text-decoration: none; }
.is-sections-demo .album-card img { display: block; width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; }
.is-sections-demo .album-card > div { padding: 20px 23px 22px; }
.is-sections-demo .album-card h3 { margin: 0 0 7px; font-family: "Noto Serif SC", "Noto Serif CJK SC", serif; font-size: 19px; font-weight: 500; }
.is-sections-demo .album-card p { margin: 0; color: var(--text-muted); font-size: 12px; line-height: 1.8; }
.is-sections-demo .photo-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.is-sections-demo :is(.photo-tile, .photo-tilebutton) { position: relative; display: block; min-width: 0; padding: 0; overflow: hidden; border: 1px solid var(--section-border); border-radius: 15px; background: var(--section-panel); }
.is-sections-demo :is(.photo-tile, .photo-tilebutton) img { display: block; width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; transition: filter .2s; }
.is-sections-demo :is(.photo-tile, .photo-tilebutton):hover img { filter: brightness(1.08); }
.is-sections-demo :is(.photo-tile, .photo-tilebutton) span { position: absolute; right: 12px; bottom: 10px; left: 12px; color: #fff7e6; font-size: 12px; text-align: left; text-shadow: 0 1px 8px #051322; }

/* Archive time is expressed as a thin gold thread, not fabricated experience. */
.is-sections-demo .timeline-year { margin: 29px 0 20px; padding-left: 25px; color: var(--gold); font-family: Georgia, serif; font-size: 27px; font-weight: 400; }
.is-sections-demo .timeline-line { position: relative; margin-left: 8px; padding-left: 28px; border-left: 1px solid var(--section-border); }
.is-sections-demo .timeline-item { position: relative; padding: 0 0 26px; min-width: 0; }
.is-sections-demo .timeline-item::before { content: ""; position: absolute; left: -33px; top: 10px; width: 8px; height: 8px; border: 1px solid var(--gold); border-radius: 50%; background: var(--bg); }
.is-sections-demo .timeline-item time { display: block; margin-bottom: 6px; color: var(--text-muted); font-size: 11px; letter-spacing: .08em; }
.is-sections-demo .timeline-item h3 { margin: 0 0 8px; color: var(--text); font-size: 17px; font-weight: 500; line-height: 1.7; }
.is-sections-demo .timeline-item p { margin: 0; color: var(--text-muted); font-size: 13px; line-height: 1.9; }
.is-sections-demo .timeline-item a:hover { color: var(--gold); text-decoration: none; }
.is-sections-demo .activity-grid { display: grid; grid-template-columns: repeat(18, minmax(0, 1fr)); gap: 5px; }
.is-sections-demo .activity-day { width: 100%; aspect-ratio: 1; border-radius: 3px; background: var(--section-inset); border: 1px solid var(--section-border); }
.is-sections-demo .activity-day.is-active { background: var(--gold); opacity: .6; }

/* Library / chapter reader: restrained type, real scene covers and roomy chapters. */
.is-sections-demo .novel-card { display: flex; min-width: 0; gap: 20px; padding: 24px; color: var(--text); text-decoration: none; }
.is-sections-demo .novel-card:hover { border-color: var(--gold); text-decoration: none; }
.is-sections-demo .novel-card-info { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.is-sections-demo .novel-card-info small { display: block; color: var(--text-muted); font-size: 10px; line-height: 1.8; }
.is-sections-demo .novel-card-info p.muted { display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 3; overflow: hidden; }
.is-sections-demo .novel-cover { position: relative; display: flex; flex: 0 0 94px; flex-direction: column; align-self: flex-start; width: 94px; min-height: 138px; aspect-ratio: 2 / 3; overflow: hidden; align-items: center; justify-content: flex-end; border: 1px solid var(--section-border); border-radius: 9px; background-color: #16382f; background-size: cover; background-position: center; box-shadow: 0 7px 18px rgba(0, 8, 20, .2); }
.is-sections-demo .novel-cover > img { position: absolute; inset: 0; display: block; width: 100%; height: 100%; object-fit: cover; }
.is-sections-demo .novel-cover > strong { display: block; padding: 7px 9px 15px; color: #fff4d3; font-family: "Noto Serif SC", "Noto Serif CJK SC", serif; font-size: 15px; font-weight: 500; line-height: 1.8; text-align: center; overflow-wrap: anywhere; }
.is-sections-demo .novel-cover > span { display: block; padding: 10px 8px; color: #fff4d3; font-family: "Noto Serif SC", "Noto Serif CJK SC", serif; font-size: 16px; line-height: 1.6; letter-spacing: .15em; text-align: center; background: linear-gradient(0deg, rgba(5, 20, 30, .85), transparent); text-shadow: 0 1px 5px #0a1b2a; }
.is-sections-demo .novel-card h3 { margin: 3px 0 10px; color: var(--text); font-family: "Noto Serif SC", "Noto Serif CJK SC", serif; font-size: 19px; font-weight: 500; line-height: 1.6; }
.is-sections-demo .novel-card p { margin: 8px 0; color: var(--text-muted); font-size: 12px; line-height: 1.85; }
.is-sections-demo .novel-card p.section-eyebrow { color: var(--gold); font-size: 10px; letter-spacing: .12em; }
.is-sections-demo .novel-card a:hover { color: var(--gold); text-decoration: none; }
.is-sections-demo .novel-detail { display: grid; grid-template-columns: 150px minmax(0, 1fr); align-items: start; gap: 30px; }
.is-sections-demo .novel-detail .novel-cover { width: 150px; min-height: 216px; }
.is-sections-demo .novel-detail h1 { margin: 8px 0 14px; color: var(--text); font-family: "Noto Serif SC", "Noto Serif CJK SC", serif; font-size: clamp(26px, 3vw, 34px); line-height: 1.6; font-weight: 500; }
.is-sections-demo .novel-detail > div > p { color: var(--text-muted); font-size: 13px; line-height: 1.9; }
.is-sections-demo .chapter-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 20px; margin-top: 25px; }
.is-sections-demo .chapter-list :is(a, button) { display: flex; align-items: center; min-width: 0; min-height: 44px; padding: 11px 14px; border: 1px solid var(--section-border); border-radius: 10px; color: var(--text-muted); background: var(--section-inset); font: inherit; font-size: 13px; line-height: 1.7; text-align: left; }
.is-sections-demo .chapter-list :is(a, button):hover { color: var(--gold); border-color: var(--gold); text-decoration: none; }
.is-sections-demo .chapter-list :is(a, button).active { color: var(--gold); border-color: var(--gold); }
.is-sections-demo .chapter-list :is(a, button) > span { margin-right: 11px; opacity: .7; font-family: Georgia, serif; font-size: 11px; }
.is-sections-demo .chapter-list :is(a, button) > small { margin-left: auto; padding-left: 8px; font-size: 10px; }
.is-sections-demo .reader-layout { display: grid; grid-template-columns: minmax(0, 1fr) 230px; align-items: start; gap: 24px; width: 100%; margin-inline: auto; }
.is-sections-demo .reader-page { grid-column: 1; grid-row: 1; padding: 42px 50px; }
.is-sections-demo .reader-page :is(h1, h2) { margin: 10px 0 26px; color: var(--text); font-family: "Noto Serif SC", "Noto Serif CJK SC", serif; font-size: 29px; text-align: center; font-weight: 500; line-height: 1.7; }
.is-sections-demo .reader-page > header { margin-bottom: 35px; padding-bottom: 25px; border-bottom: 1px solid var(--section-border); text-align: center; }
.is-sections-demo .reader-page footer { margin-top: 38px; padding-top: 8px; border-top: 1px solid var(--section-border); font-size: 12px; color: var(--text-muted); }
.is-sections-demo .reader-content { font-family: "Noto Serif SC", "Noto Serif CJK SC", "Songti SC", serif; font-size: var(--reader-font, var(--reader-size, 18px)); line-height: var(--reader-line-height, 2); color: var(--text); }
.is-sections-demo .reader-content p { margin: 1.2em 0; text-indent: 2em; overflow-wrap: anywhere; }
.is-sections-demo .reader-tools { grid-column: 2; grid-row: 1; position: sticky; z-index: 15; top: calc(var(--header-height, 66px) + 24px); display: block; padding: 22px; margin: 0; border: 1px solid var(--section-border); border-radius: 15px; background: var(--section-panel); box-shadow: var(--section-shadow); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); }
.is-sections-demo .reader-tools .section-toolbar { margin-block: 17px; gap: 7px; font-size: 12px; }
.is-sections-demo .reader-tools .section-toolbar > span { flex: 1 0 100%; color: var(--text-muted); }
.is-sections-demo .reader-tools > .secondary-button { margin-top: 17px; }
.is-sections-demo .reader-tools :is(button, select) { min-height: 44px; padding: 9px 13px; border: 1px solid var(--section-border); border-radius: 9px; background: var(--section-soft); color: var(--text); font: inherit; font-size: 12px; }
.is-sections-demo .reader-tools :is(button, select):hover { border-color: var(--gold); }
.is-sections-demo .reader-tools label { display: flex; align-items: center; gap: 8px; color: var(--text-muted); font-size: 12px; }
.is-sections-demo .reader-tools input { max-width: 100px; min-height: 44px; accent-color: var(--gold); }
.is-sections-demo .reader-paper { background: #eee9d9; color: #443c2d; }
.is-sections-demo .reader-paper :is(h2, .reader-content) { color: #443c2d; }
.is-sections-demo .reader-page[data-reader-theme="paper"] { --text: #443c2d; --text-muted: #6e6452; --gold: #806c3c; --section-border: #cfc4ac; --section-soft: #e0d8c5; --section-accent-fill: #52664c; --section-on-accent: #fffbea; color: #443c2d; background: #eee9d9; }
.is-sections-demo .reader-page[data-reader-theme="jade"] { --text: #233f34; --text-muted: #566e5f; --gold: #5c7041; --section-border: #b7cabe; --section-soft: #cbdccc; --section-accent-fill: #426e4e; --section-on-accent: #fffbea; color: #233f34; background: #e2ece2; }
.is-sections-demo .reader-page[data-reader-theme="night"] { --text: #d9e4ec; --text-muted: #a2b5c6; --gold: #d6bf86; --section-border: #344b60; --section-soft: #233b4d; --section-accent-fill: #d2c08e; --section-on-accent: #172719; color: #d9e4ec; background: #122131; }
.is-sections-demo .reader-page[data-reader-theme] :is(h1, h2, h3, .reader-content) { color: var(--text); }
.is-sections-demo .reader-page[data-reader-theme] :is(.post-meta, .reader-meta) { color: var(--text-muted); }

/* Listening room and about page share the visual grammar of the home player. */
.is-sections-demo .music-page-grid { display: grid; grid-template-columns: minmax(250px, 1fr) minmax(0, 2fr); gap: 24px; align-items: start; }
.is-sections-demo .music-page-grid > * { min-width: 0; }
.is-sections-demo .music-page-cover { display: block; width: 100%; height: auto; aspect-ratio: 1; margin-bottom: 25px; object-fit: cover; object-position: 80% 40%; border: 1px solid var(--section-border); border-radius: 15px; }
.is-sections-demo .music-main-player h2 { margin: 9px 0 8px; color: var(--text); font-family: "Noto Serif SC", "Noto Serif CJK SC", serif; font-size: 30px; font-weight: 500; line-height: 1.5; }
.is-sections-demo .music-main-player > p { margin: 0 0 22px; color: var(--text-muted); font-size: 13px; line-height: 1.8; }
.is-sections-demo .music-main-player .progress-row { gap: 10px; margin-top: 24px; font-size: 11px; }
.is-sections-demo .music-main-player .progress-row span { min-width: 35px; }
.is-sections-demo .music-main-player .section-toolbar { justify-content: center; gap: 8px; }
.is-sections-demo .music-main-player .section-toolbar button { flex: 1; padding-inline: 9px; font-size: 12px; }
.is-sections-demo .music-main-player .section-filter-input { font-size: 12px; color: var(--text-muted); }
.is-sections-demo .music-main-player .section-filter-input label { flex: 0 0 auto; }
.is-sections-demo .music-main-player input[type="range"] { appearance: auto; -webkit-appearance: auto; height: 44px; min-height: 44px; min-width: 0; padding: 0; border: 0; border-radius: 0; background: transparent; accent-color: var(--gold); }
.is-sections-demo .music-main-player .section-filter-input input[type="range"] { flex: 1; width: auto; min-width: 70px; }
.is-sections-demo .music-main-player > .text-button { margin-top: 10px; }
.is-sections-demo .track-list { overflow: hidden; border: 1px solid var(--section-border); border-radius: 18px; background: var(--section-panel); }
.is-sections-demo .track-row { display: grid; grid-template-columns: 44px minmax(0, 1fr) auto 44px; align-items: center; gap: 15px; min-height: 81px; padding: 15px 20px; border-bottom: 1px solid var(--section-border); color: var(--text-muted); font-size: 12px; }
.is-sections-demo .track-row:last-child { border-bottom: 0; }
.is-sections-demo .track-row.is-playing { background: var(--section-highlight); color: var(--gold); }
.is-sections-demo .track-row img { width: 44px; height: 44px; object-fit: cover; border-radius: 9px; }
.is-sections-demo .track-row h3 { margin: 0 0 4px; color: var(--text); font-size: 14px; font-weight: 500; }
.is-sections-demo .track-row p { margin: 0; line-height: 1.7; }
.is-sections-demo .track-row button { display: grid; place-items: center; width: 44px; height: 44px; border: 1px solid var(--section-border); border-radius: 50%; color: var(--gold); background: transparent; }
.is-sections-demo .track-row button:hover { border-color: var(--gold); }
.is-sections-demo .about-layout { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.9fr); gap: 24px; align-items: start; }
.is-sections-demo .about-profile { text-align: center; padding: 34px 28px; }
.is-sections-demo .about-profile > img { display: block; width: 112px; height: 112px; margin: 0 auto 24px; object-fit: cover; object-position: 85% 35%; border: 3px solid var(--gold); border-radius: 50%; }
.is-sections-demo .about-profile h3 { margin: 0 0 12px; color: var(--text); font-family: "Noto Serif SC", "Noto Serif CJK SC", serif; font-size: 27px; font-weight: 500; }
.is-sections-demo .about-profile p { margin: 10px 0; color: var(--text-muted); font-size: 13px; line-height: 1.9; }
.is-sections-demo .about-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--section-border); }
.is-sections-demo .about-stats strong { display: block; color: var(--gold); font-family: Georgia, serif; font-size: 24px; font-weight: 400; line-height: 1.5; }
.is-sections-demo .about-stats span { color: var(--text-muted); font-size: 11px; }
.is-sections-demo .empty-demo { padding: 48px 24px; border: 1px dashed var(--section-border); border-radius: 17px; color: var(--text-muted); background: var(--section-panel); text-align: center; font-size: 14px; line-height: 1.9; }
.is-sections-demo .empty-demo h3 { margin-top: 0; color: var(--text); font-weight: 500; }

/* Browser-native dialogs retain keyboard focus and Escape behavior. */
.is-sections-demo .demo-dialog { position: fixed; width: min(820px, calc(100vw - 36px)); max-height: calc(100dvh - 48px); overflow-y: auto; padding: 30px; border: 1px solid var(--section-border); border-radius: 22px; color: var(--text); background: var(--section-panel); box-shadow: 0 28px 90px rgba(1, 6, 14, .6); }
.is-sections-demo .demo-dialog::backdrop { background: rgba(3, 10, 22, .76); backdrop-filter: blur(9px); -webkit-backdrop-filter: blur(9px); }
.is-sections-demo .dialog-close { position: sticky; z-index: 3; top: 0; float: right; display: grid; place-items: center; width: 44px; height: 44px; margin: -12px -12px 0 12px; border: 1px solid var(--section-border); border-radius: 50%; color: var(--text); background: var(--section-panel); font: inherit; font-size: 25px; line-height: 1; }
.is-sections-demo .dialog-image { display: block; max-width: 100%; width: auto; max-height: 70dvh; height: auto; margin: 12px auto; border-radius: 12px; object-fit: contain; }
.is-sections-demo .lightbox { position: relative; min-width: 0; }
.is-sections-demo .lightbox img { display: block; max-width: 100%; max-height: 72dvh; height: auto; width: auto; margin: 10px auto 18px; border-radius: 11px; object-fit: contain; }
.is-sections-demo .lightbox-controls { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.is-sections-demo .lightbox :is(.lightbox-prev, .lightbox-next) { display: grid; place-items: center; min-width: 44px; min-height: 44px; padding: 10px; border: 1px solid var(--section-border); border-radius: 50%; color: var(--text); background: var(--section-panel); font: inherit; font-size: 22px; line-height: 1; }
.is-sections-demo .lightbox :is(.lightbox-prev, .lightbox-next):hover { border-color: var(--gold); color: var(--gold); }
.is-sections-demo #dialog-content > h3 { margin: 0 0 18px; padding-right: 30px; color: var(--text); font-family: "Noto Serif SC", "Noto Serif CJK SC", serif; font-size: 25px; font-weight: 500; line-height: 1.5; }
.is-sections-demo #dialog-content > p { color: var(--text-muted); font-size: 13px; line-height: 1.9; }
.is-sections-demo .demo-toast { position: fixed; z-index: 100; left: 50%; bottom: 25px; transform: translateX(-50%); max-width: min(520px, calc(100vw - 32px)); width: max-content; padding: 12px 18px; border: 1px solid var(--section-border); border-radius: 13px; color: var(--text); background: var(--section-panel); box-shadow: var(--section-shadow); font-size: 13px; line-height: 1.8; }
.is-sections-demo :is(button, a, input, textarea, select):focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
.is-sections-demo :is(.primary-button, .secondary-button, .text-button, .post-card, .bookmark-card, .friend-card, .album-card, .chapter-list a):focus-visible { outline-offset: 4px; }
.is-sections-demo :is(input[type="checkbox"], input[type="radio"]) { accent-color: var(--gold); }
.is-sections-demo .section-toolbar + .section-layout { margin-top: 0; }
.is-sections-demo .section-card + .section-card { margin-top: 24px; }

@media (max-width: 1050px) {
  .is-sections-demo .section-layout { grid-template-columns: minmax(0, 1fr) 245px; gap: 20px; }
  .is-sections-demo .post-grid { grid-template-columns: 1fr; }
  .is-sections-demo :is(.bookmark-grid, .friend-grid, .album-grid, .novel-grid) { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .is-sections-demo .friend-scene { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .is-sections-demo .article-layout { grid-template-columns: minmax(0, 1fr) 200px; gap: 20px; }
  .is-sections-demo .article-detail { padding: 28px; }
  .is-sections-demo .article-toc { padding: 21px; }
  .is-sections-demo .about-layout { grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr); }
}
@media (max-width: 767px) {
  .is-sections-demo .demo-notice { margin-top: -8px; gap: 2px 14px; padding: 9px 12px; font-size: 10px; }
  .is-sections-demo .section-hero { min-height: 178px; padding: 27px 24px; gap: 16px; border-radius: 21px; }
  .is-sections-demo .section-hero-copy { max-width: 78%; }
  .is-sections-demo .section-hero h2 { font-size: 29px; }
  .is-sections-demo .section-description { font-size: 12px; line-height: 1.9; }
  .is-sections-demo .section-kpi { min-width: 54px; font-size: 10px; }
  .is-sections-demo .section-kpi strong { font-size: 30px; }
  .is-sections-demo .hero-art { width: 55%; opacity: .48; }
  .is-sections-demo .section-toolbar { margin: 18px 0; gap: 12px; align-items: stretch; }
  .is-sections-demo .section-tabs { gap: 6px; }
  .is-sections-demo :is(.section-tabs button, .filter-tab) { padding: 9px 13px; font-size: 12px; }
  .is-sections-demo .section-filter-input { flex: 1 1 100%; }
  .is-sections-demo .section-filter-input :is(input, select) { flex: 1; width: 100%; font-size: 16px; }
  .is-sections-demo input.section-filter-input { font-size: 16px; }
  .is-sections-demo :is(.section-layout, .article-layout, .music-page-grid, .about-layout) { grid-template-columns: 1fr; gap: 20px; }
  .is-sections-demo .section-sidebar { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
  .is-sections-demo :is(.section-card, .widget-card, .moment-card, .message-card, .article-detail, .about-profile) { padding: 23px; }
  .is-sections-demo .post-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
  .is-sections-demo .post-copy { padding: 20px; }
  .is-sections-demo .post-card h3 { font-size: 18px; }
  .is-sections-demo .post-card p { font-size: 12px; }
  .is-sections-demo :is(.bookmark-grid, .friend-grid, .album-grid, .novel-grid) { gap: 16px; }
  .is-sections-demo .project-grid { gap: 18px; }
  .is-sections-demo .project-card > :not(img) { margin-inline: 21px; }
  .is-sections-demo .project-card h3 { font-size: 20px; }
  .is-sections-demo .article-toc { position: static; max-height: 220px; }
  .is-sections-demo .article-body { font-size: 15px; }
  .is-sections-demo .article-body h2 { font-size: 22px; }
  .is-sections-demo .article-title { font-size: 27px; }
  .is-sections-demo .photo-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .is-sections-demo .novel-card { padding: 19px; gap: 16px; }
  .is-sections-demo .novel-cover { width: 80px; flex-basis: 80px; min-height: 122px; }
  .is-sections-demo .novel-card h3 { font-size: 18px; }
  .is-sections-demo .reader-page { padding: 30px 25px; }
  .is-sections-demo .reader-layout { grid-template-columns: 1fr; gap: 20px; }
  .is-sections-demo .reader-page { grid-column: 1; grid-row: 2; }
  .is-sections-demo .reader-tools { position: static; grid-column: 1; grid-row: 1; padding: 20px; display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; }
  .is-sections-demo .reader-tools > .section-eyebrow { flex: 1 0 100%; margin: 0; }
  .is-sections-demo .reader-tools .section-toolbar { margin: 0; }
  .is-sections-demo .reader-tools .section-toolbar > span { flex: 0 0 auto; margin-right: 5px; }
  .is-sections-demo .reader-tools > .secondary-button { margin-top: 0; }
  .is-sections-demo .reader-tools > .muted { margin: 0; flex: 1 0 100%; }
  .is-sections-demo .reader-tools :is(button, select) { font-size: 12px; padding-inline: 10px; }
  .is-sections-demo :is(.comment-form, .demo-form) :is(input, textarea, select) { font-size: 16px; }
  .is-sections-demo .demo-dialog { padding: 23px; max-height: calc(100dvh - 30px); }
  .is-sections-demo .demo-form-grid { gap: 12px; }
}
@media (max-width: 560px) {
  .is-sections-demo :is(.post-grid, .bookmark-grid, .project-grid, .friend-grid, .album-grid, .novel-grid, .section-sidebar, .demo-form-grid) { grid-template-columns: 1fr; }
  .is-sections-demo .friend-scene { gap: 12px; }
  .is-sections-demo .friend-scene .friend-card { min-height: 180px; padding: 20px 12px; }
  .is-sections-demo .section-hero { align-items: flex-start; padding: 25px 22px; gap: 12px; }
  .is-sections-demo .section-hero-copy { max-width: 100%; }
  .is-sections-demo .section-kpi { align-self: flex-end; min-width: 42px; }
  .is-sections-demo .section-kpi strong { font-size: 26px; }
  .is-sections-demo .section-description { max-width: 27ch; }
  .is-sections-demo .post-card p { -webkit-line-clamp: 2; }
  .is-sections-demo .post-cover { aspect-ratio: 16 / 8.5; }
  .is-sections-demo .moment-images { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .is-sections-demo .message-meta { gap: 7px 10px; }
  .is-sections-demo .chapter-list { grid-template-columns: 1fr; }
  .is-sections-demo .novel-detail { grid-template-columns: 100px minmax(0, 1fr); gap: 20px; }
  .is-sections-demo .novel-detail .novel-cover { width: 100px; min-height: 155px; }
  .is-sections-demo .track-row { grid-template-columns: 38px minmax(0, 1fr) 44px; gap: 12px; padding-inline: 16px; }
  .is-sections-demo .track-row img { width: 38px; height: 38px; }
  .is-sections-demo .track-row > time { display: none; }
  .is-sections-demo .reader-page { padding: 28px 21px; }
  .is-sections-demo .reader-page :is(h1, h2) { font-size: 25px; }
  .is-sections-demo .reader-tools { gap: 6px; }
  .is-sections-demo .article-detail { padding: 24px 21px; }
  .is-sections-demo .article-body pre { padding: 15px; }
  .is-sections-demo .reply-list { margin-left: 0; padding-left: 12px; }
  .is-sections-demo .activity-grid { grid-template-columns: repeat(14, minmax(0, 1fr)); gap: 4px; }
}
/* Home previews: centered writing and a full-height, ordered gallery. */
.is-sections-demo .home-content .preview-card { overflow: hidden; }
.is-sections-demo .home-content .card-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 10px;
  min-height: 72px;
  padding: 18px 22px;
}
.is-sections-demo .home-content .card-heading h2 { grid-column: 2; text-align: center; font-size: 20px; letter-spacing: .06em; }
.is-sections-demo .home-content .card-heading a { grid-column: 3; justify-self: end; display: inline-flex; align-items: center; justify-content: center; min-height: 44px; font-size: 14px; }
.is-sections-demo .home-content .secondary-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); min-height: 220px; }
.is-sections-demo .home-entry {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  gap: 9px;
  min-width: 0;
  padding: 23px 28px;
  color: var(--text);
  text-align: center;
  text-decoration: none;
  overflow-wrap: anywhere;
}
.is-sections-demo .home-entry + .home-entry { border-top: 1px solid var(--section-border); }
.is-sections-demo .home-entry strong { font-size: 19px; font-weight: 500; line-height: 1.7; text-wrap: balance; }
.is-sections-demo .home-entry p { max-width: 44ch; margin: 0; color: var(--text-muted); font-size: 15px; line-height: 1.9; text-wrap: pretty; }
.is-sections-demo .home-entry:hover { color: var(--gold); text-decoration: none; background: var(--section-highlight); }
.is-sections-demo .home-entry-meta { display: flex; justify-content: center; flex-wrap: wrap; gap: 7px; color: var(--text-muted); font-size: 12px; line-height: 1.8; letter-spacing: .04em; }
.is-sections-demo :is(.home-moment-entry, .home-project-entry) { min-height: 170px; padding: 24px; gap: 12px; }
.is-sections-demo .home-moment-entry p { line-height: 2; }
.is-sections-demo #home-photos { padding: 18px; }
.is-sections-demo .home-gallery { display: grid; flex: 1; grid-template-rows: repeat(3, minmax(160px, 1fr)); gap: 14px; min-width: 0; }
.is-sections-demo .home-gallery-tile {
  position: relative;
  display: block;
  isolation: isolate;
  min-width: 0;
  min-height: 160px;
  overflow: hidden;
  border: 1px solid var(--section-border);
  border-radius: 16px;
  background: var(--section-inset);
  text-decoration: none;
}
.is-sections-demo .home-gallery-tile img { position: absolute; inset: 0; display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease, filter .35s ease; }
.is-sections-demo .home-gallery-tile::after { content: ""; position: absolute; z-index: 1; inset: 30% 0 0; background: linear-gradient(180deg, transparent, rgba(5, 19, 29, .8)); pointer-events: none; }
.is-sections-demo .home-gallery-caption { position: absolute; z-index: 2; inset: auto 15px 16px; display: flex; flex-direction: column; gap: 5px; color: #fff8e7; text-align: center; text-shadow: 0 1px 7px rgba(0, 0, 0, .55); }
.is-sections-demo .home-gallery-caption small { color: #ecdfbb; font-size: 9px; letter-spacing: .14em; }
.is-sections-demo .home-gallery-caption strong { font-family: "Noto Serif SC", "Songti SC", serif; font-size: 16px; font-weight: 500; line-height: 1.6; letter-spacing: .1em; }
.is-sections-demo .home-gallery-tile:hover img { transform: scale(1.025); filter: brightness(1.07); }
.is-sections-demo .site-footer { align-items: center; justify-content: center; flex-direction: column; gap: 18px; padding: 32px 24px; text-align: center; }
.is-sections-demo .cultivation-clock { display: flex; justify-content: center; align-items: baseline; flex-wrap: wrap; gap: 12px 26px; }
.is-sections-demo .site-footer .cultivation-label { color: var(--gold); font-weight: 500; font-size: 18px; letter-spacing: .12em; }
.is-sections-demo #cultivation-time { color: var(--text); font-size: 26px; font-variant-numeric: tabular-nums; line-height: 1.7; letter-spacing: .06em; }
.is-sections-demo .site-footer .footer-quote { color: var(--text-muted); font-size: 15px; font-weight: 400; line-height: 1.9; }
@media (max-width: 1050px) {
  .is-sections-demo .home-content .photo-preview .card-heading,
  .is-sections-demo .home-content .secondary-grid .card-heading { grid-template-columns: 1fr; gap: 0; padding: 16px; }
  .is-sections-demo .home-content .photo-preview .card-heading :is(h2, a),
  .is-sections-demo .home-content .secondary-grid .card-heading :is(h2, a) { grid-column: 1; justify-self: center; }
}
@media (max-width: 767px) {
  .is-sections-demo .home-gallery { grid-template-columns: repeat(3, minmax(0, 1fr)); grid-template-rows: auto; }
  .is-sections-demo .home-gallery-tile { min-height: 0; aspect-ratio: 4 / 5; }
  .is-sections-demo .home-content .photo-preview { min-height: 0; }
  .is-sections-demo .home-entry { padding: 23px; }
}
@media (max-width: 480px) {
  .is-sections-demo .home-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .is-sections-demo .home-gallery-tile { aspect-ratio: 4 / 3; }
  .is-sections-demo .home-gallery-tile:first-child { grid-column: 1 / -1; aspect-ratio: 16 / 9; }
  .is-sections-demo .home-content .secondary-grid { grid-template-columns: 1fr; }
  .is-sections-demo .home-content .card-heading { padding-inline: 16px; }
  .is-sections-demo .home-content .card-heading h2 { font-size: 19px; }
  .is-sections-demo .cultivation-clock { flex-direction: column; align-items: center; gap: 10px; }
  .is-sections-demo #cultivation-time { font-size: clamp(18px, 5.5vw, 24px); letter-spacing: .02em; }
}
@media (prefers-reduced-motion: reduce) {
  .is-sections-demo .home-gallery-tile img { transition: none; }
  .is-sections-demo :is(.section-tabs button, .filter-tab, .post-card, .bookmark-card, .friend-card, .friend-bottle, .album-card, .primary-button, .secondary-button, .text-button, .photo-tile img, .photo-tilebutton img) { transition: none; }
}