/* HAND-DRAWN DOODLE / notebook annotations */
[data-theme="doodle"] { --paper: #fffef5; --surface: #fffef5; --side: #faf8e9; --ink: #2c2c2c; --muted: #66635a; --rule: #bdb8a1; --accent: #156e68; --red: #ff6b6b; --blue: #4ecdc4; --yellow: #ffd93d; }
[data-theme="doodle"] .sidebar { border-right: 2px dashed var(--ink); }
[data-theme="doodle"] .avatar { border: 2px dashed var(--ink); padding: 5px; box-shadow: 4px 4px 0 var(--yellow); }
[data-theme="doodle"] .avatar img { border-radius: 50%; }
[data-theme="doodle"] .profile-name { text-decoration: underline; text-decoration-color: var(--red); text-decoration-thickness: 4px; text-underline-offset: 9px; transform: rotate(-2deg); margin-bottom: 13px; }
[data-theme="doodle"] .profile-direction { border: 1px dashed var(--ink); background: #fff3af; transform: rotate(1deg); }
[data-theme="doodle"] .nav-link { border: 2px dashed transparent; border-radius: 3px; }
[data-theme="doodle"] .nav-link.active { color: var(--ink); background: #fff3af; border-color: var(--ink); transform: rotate(-1deg); }
[data-theme="doodle"] .page-intro, [data-theme="doodle"] .content-section { border-bottom-style: dashed; }
[data-theme="doodle"] .course-row, [data-theme="doodle"] .sidebar-bottom { border-top-style: dashed; }
[data-theme="doodle"] .section-number { color: var(--ink); font-size: 38px; border: 2px dashed var(--ink); border-radius: 46% 51% 48% 43%; width: 67px; height: 60px; display: grid; place-items: center; transform: rotate(-7deg); background: #fff2a2; }
[data-theme="doodle"] .section-heading h2 { position: relative; z-index: 0; }
[data-theme="doodle"] .section-heading h2::after { content: ''; position: absolute; height: 9px; width: 110%; left: -3%; bottom: 0; background: #4ecdc46e; transform: rotate(-2deg); z-index: -1; }
[data-theme="doodle"] .section-motif { border-bottom: 2px dashed var(--ink); width: 44px; transform: rotate(-15deg); }
[data-theme="doodle"] .section-motif i { display: none; }
[data-theme="doodle"] .education-body { padding: 22px; border: 2px dashed var(--ink); background-image: repeating-linear-gradient(transparent 0 31px, #2c2c2c09 31px 32px); box-shadow: 5px 5px 0 #ffd93d; border-radius: 3px; }
[data-theme="doodle"] .experience-heading { background: #e7f6ed; border: 2px dashed var(--ink); border-radius: 3px; }
[data-theme="doodle"] .company-logo { border-style: dashed; }
[data-theme="doodle"] .placeholder-badge { border-style: dashed; }
[data-theme="doodle"] .project-item { border: 2px dashed var(--ink); border-radius: 3px; box-shadow: 5px 5px 0 #ffd93d; margin-right: 5px; }
[data-theme="doodle"] .project-item:nth-child(2) { box-shadow: 5px 5px 0 #4ecdc4; }
[data-theme="doodle"] .project-item:nth-child(3) { box-shadow: 5px 5px 0 #ff6b6b; }
[data-theme="doodle"] .project-heading { border-bottom: 2px dashed var(--ink); }
[data-theme="doodle"] .project-logo { border: 2px dashed var(--ink); padding: 3px; transform: rotate(-3deg); border-radius: 3px; }
[data-theme="doodle"] .project-entry-arrow { border: none; transform: rotate(-10deg); }
[data-theme="doodle"] .project-entry-arrow .icon { stroke-width: 2.5; width: 29px; height: 29px; }
[data-theme="doodle"] .project-heading:is(:hover, :focus-visible) { background: #fff7ca; }
[data-theme="doodle"] .project-heading:is(:hover, :focus-visible) .project-entry-arrow { transform: rotate(0) translateX(3px); background: transparent; }
[data-theme="doodle"] .project-heading:is(:hover, :focus-visible) .project-logo { transform: rotate(2deg); }
[data-theme="doodle"] .project-heading:active .project-logo { transform: rotate(-1deg) translateY(2px); }
[data-theme="doodle"] .skill-list li + li, [data-theme="doodle"] .game-list li { border-top-style: dashed; }
[data-theme="doodle"] .skill-list strong { text-decoration: underline; text-decoration-thickness: 5px; text-decoration-color: #ffd93d; text-underline-offset: 2px; }
[data-theme="doodle"] .detail-placeholder { border: 2px dashed var(--ink); box-shadow: 5px 5px 0 var(--yellow); }
[data-theme="doodle"] .art-grid { border-style: dashed; transform: rotate(-3deg); }
[data-theme="doodle"] .art-circle { border: 2px dashed var(--ink); background: transparent; }
[data-theme="doodle"] .art-square { transform: rotate(8deg); }


.article-list { border-top: 2px dashed var(--rule); }
.analysis-article { padding: 25px 0; border-bottom: 1px dashed var(--rule); }
.article-heading { display: flex; align-items: center; gap: 18px; min-height: 64px; }
.article-number { display: grid; place-items: center; flex: 0 0 40px; height: 46px; font: 700 25px/1 Georgia, serif; background: #fff2a2; border-radius: 43% 51% 45% 48%; transform: rotate(-6deg); }
.analysis-article:nth-child(2) .article-number { background: #ccefeb; transform: rotate(4deg); }
.analysis-article:nth-child(3) .article-number { background: #ffded9; }
.article-title { flex: 1; min-width: 0; }
.article-category { display: block; color: var(--muted); font-size: 10px; letter-spacing: .05em; margin-bottom: 4px; }
.article-title h3 { font-size: 18px; line-height: 1.6; overflow-wrap: anywhere; }
.article-summary { margin: 13px 0 0 58px; color: var(--muted); font-size: 14px; line-height: 1.95; overflow-wrap: anywhere; }
.article-arrow { flex: 0 0 30px; transform: rotate(-8deg); transition: transform .15s; }
a.article-heading:is(:hover, :focus-visible) h3 { text-decoration: underline; text-decoration-color: var(--blue); text-decoration-thickness: 3px; text-underline-offset: 5px; }
a.article-heading:is(:hover, :focus-visible) .article-arrow { transform: translateX(4px); }
@media (max-width: 600px) {
  .article-heading { gap: 12px; flex-wrap: wrap; }
  .article-number { flex-basis: 32px; height: 39px; font-size: 22px; }
  .article-title h3 { font-size: 16px; }
  .article-category { font-size: 9px; }
  .article-heading .placeholder-badge { margin-left: 44px; }
  .article-title { flex-basis: calc(100% - 80px); }
  .article-summary { margin-left: 44px; font-size: 14px; }
  [data-theme="doodle"] .section-number { font-size: 29px; width: 53px; height: 49px; }
  [data-theme="doodle"] .section-motif { width: 26px; }
}

/* Keep the profile and reading area side by side, including on phones. */
@media (max-width: 600px) {
  :root { --sidebar-width: 106px; }
  .sidebar { padding: 20px 8px 16px; }
  .sidebar-topline, .profile-direction, .profile-note, .sidebar-bottom .tiny-label { display: none; }
  .profile { padding: 4px 0 18px; }
  .avatar { width: 62px; height: 62px; }
  .profile-name { font-size: 15px; margin-top: 16px; }
  .profile-school { font-size: 11px; overflow-wrap: anywhere; }
  .desktop-navigation { gap: 8px; margin: 8px 0 28px; }
  .nav-link { min-height: 44px; padding: 9px 4px; font-size: 11.5px; justify-content: center; text-align: center; gap: 0; }
  .nav-link > .icon { display: none; }
  .sidebar-bottom { padding-top: 12px; }
  .contact-row { gap: 0; padding-block: 4px; }
  .contact-value { flex-basis: 100%; font-size: 10px; }
  .copy-button:disabled { display: none; }
  .copy-button { width: 44px; height: 44px; }
  .main-content { padding: 20px 14px 0; min-width: 0; }
  .page-intro { font-size: 7px; letter-spacing: 0; gap: 5px; }
  .section-heading { gap: 0; margin-bottom: 22px; }
  .section-heading-main { gap: 9px; }
  .section-heading h2 { font-size: 20px; }
  [data-theme="doodle"] .section-number { width: 34px; height: 38px; flex: 0 0 34px; font-size: 22px; }
  [data-theme="doodle"] .section-motif { display: none; }
  [data-theme="doodle"] .education-body { padding: 14px; margin-right: 5px; }
  .school-line h3 { font-size: 17px; }
  .project-heading { padding: 15px 10px; gap: 8px; }
  .project-logo { width: 36px; height: 36px; }
  .project-heading h3 { font-size: 17px; }
  .project-category { font-size: 8px; }
  .project-entry-arrow { width: 24px; }
  [data-theme="doodle"] .project-entry-arrow .icon { width: 24px; height: 24px; }
  .project-body { padding: 16px 12px; }
  .project-foot { padding-inline: 12px; }
  .article-heading { gap: 9px; }
  .article-title { flex-basis: calc(100% - 50px); }
  .article-heading .placeholder-badge { margin-left: 41px; }
  .article-summary { margin-left: 0; }
  .game-category { flex-wrap: wrap; gap: 0 8px; }
  .page-footer { flex-wrap: wrap; gap: 5px; }
  .detail-topline { flex-wrap: wrap; gap: 4px; }
  .detail-heading { padding-right: 0; }
  .detail-logo { position: relative; top: auto; margin-bottom: 12px; }
  .detail-heading h1 { font-size: 24px; }
  .placeholder-art { width: 140px; height: 140px; transform: none; }
  .art-number { font-size: 64px; }
  .detail-placeholder { padding: 26px 10px; margin-right: 5px; }
  .detail-placeholder h2 { font-size: 18px; }
  .toast { max-width: calc(100vw - var(--sidebar-width) - 16px); white-space: normal; }
}

/* Project case study: editable copy, explanatory diagrams and anchored sections. */
.has-case-study .detail-heading { padding-bottom: 24px; }
.has-case-study .detail-heading h1 { margin-bottom: 12px; }
.case-subtitle { color: var(--muted); font-size: clamp(14px, 1.4vw, 18px); line-height: 1.7; }
.case-study { font-size: 15px; line-height: 1.95; overflow-wrap: anywhere; padding-bottom: 30px; }
.case-study p + p { margin-top: 14px; }
.case-intro { max-width: 880px; }
.case-facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; margin: 28px 0 22px; border-block: 1px dashed var(--rule); padding: 18px 0; }
.case-facts > div { min-width: 0; padding: 0 18px; border-left: 1px dashed var(--rule); }
.case-facts > div:first-child { border-left: 0; padding-left: 0; }
.case-facts dt { font-size: 11px; color: var(--muted); margin-bottom: 4px; }
.case-facts dd { margin: 0; font-size: 15px; font-weight: 700; line-height: 1.7; }
.case-video-note { display: flex; align-items: center; gap: 12px; padding: 14px 18px; border: 1px dashed var(--rule); color: var(--muted); background: #f7f4e8; font-size: 12px; }
.case-video-icon { display: grid; place-items: center; width: 27px; height: 23px; flex: 0 0 27px; border: 1px solid var(--rule); font-size: 10px; }
.case-toc { display: flex; flex-wrap: wrap; gap: 10px 24px; margin: 27px 0 35px; padding-bottom: 8px; font-size: 12px; }
.case-toc a { display: inline-flex; align-items: center; gap: 7px; min-height: 36px; border-bottom: 2px solid transparent; }
.case-toc a span { color: var(--accent); font-size: 10px; }
.case-toc a:hover { border-color: var(--blue); }
.case-toc a:focus-visible { outline: 2px dashed var(--accent); outline-offset: 4px; }
.case-section { padding: 36px 0 38px; border-top: 2px dashed var(--ink); scroll-margin-top: 26px; }
.case-section-heading { display: flex; align-items: center; gap: 15px; margin-bottom: 22px; }
.case-section-heading h2 { font-size: clamp(20px, 2.1vw, 28px); line-height: 1.5; letter-spacing: -.025em; }
.case-section-number { flex: 0 0 38px; width: 38px; height: 38px; display: grid; place-items: center; background: #fff2a2; border: 1px dashed var(--ink); font: 700 18px/1 Georgia, serif; transform: rotate(-5deg); }
.case-section:nth-of-type(even) .case-section-number { background: #d9f2eb; transform: rotate(4deg); }
.case-study .case-lead { font-size: 17px; font-weight: 700; margin-bottom: 18px; text-decoration: underline; text-decoration-color: #ffd93d; text-decoration-thickness: 4px; text-underline-offset: 5px; }
.case-study figure { margin: 26px 0; }
.case-study figcaption { color: var(--muted); font-size: 11px; line-height: 1.8; margin-top: 16px; text-align: center; }
.case-loop ol { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; list-style: none; padding: 0; margin: 0; }
.case-loop li { min-width: 0; display: flex; gap: 12px; align-items: center; padding: 17px 15px; border: 1px dashed var(--ink); background: #fff9dd; }
.case-loop li:nth-child(n+4) { background: #edf7f1; }
.case-loop strong { font-size: 14px; font-weight: 600; }
.case-step-index { color: var(--muted); font: italic 14px/1.5 Georgia, serif; }
.case-loop figcaption { text-align: right; color: var(--accent); }
.case-study .case-conclusion { padding-left: 16px; border-left: 3px solid var(--blue); margin-top: 24px; }
.case-matrix { border: 1px dashed var(--rule); padding: 24px; background: #faf8ed; }
.case-matrix-examples { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
.case-matrix-example { min-width: 0; text-align: center; }
.case-matrix-example h3 { font-size: 15px; margin-bottom: 16px; }
.case-matrix-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 7px; width: 100%; max-width: 258px; margin: 0 auto; }
.case-matrix-cell { min-width: 0; aspect-ratio: 1; border: 1px dashed #c8c2aa; background: var(--paper); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; padding: 3px; line-height: 1.5; }
.case-matrix-cell > span { color: #c8c2aa; font-size: 22px; }
.case-matrix-cell strong { font-size: 12px; font-weight: 600; }
.case-matrix-cell small { font-size: 10px; color: var(--muted); }
.case-matrix-cell.is-core { border: 2px dashed #8c7419; background: #fff1ac; }
.case-matrix-cell.is-neighbor { background: #dcf2ec; border-color: #529387; }
.case-matrix-cell.is-target { background: #4ecdc4; border: 2px solid var(--ink); }
.case-matrix-cell.is-target small { color: #214a46; }
.case-study .case-matrix-formula { font-size: 12px; margin: 18px 0 7px; line-height: 1.8; }
.case-study .case-matrix-result { display: inline-block; font-size: 14px; font-weight: 700; background: #fff1ac; padding: 2px 12px; margin: 0; }
.case-growth ol { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; list-style: none; margin: 0; padding: 0; }
.case-growth li { position: relative; padding: 19px 22px; background: #f4f7ed; border: 1px dashed var(--rule); min-width: 0; }
.case-growth li:nth-child(n+3) { background: #fff7d7; }
.case-growth h3 { font-size: 15px; display: inline; margin-left: 10px; }
.case-growth p { font-size: 13px; color: var(--muted); margin-top: 9px; line-height: 1.85; }
.case-workflow { list-style: none; margin: 25px 0; padding: 0; }
.case-workflow li { display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 18px; padding: 20px 0; }
.case-workflow li + li { border-top: 1px dashed var(--rule); }
.case-workflow-index { display: grid; place-items: center; align-self: start; width: 38px; height: 38px; border: 1px dashed var(--ink); border-radius: 47% 53% 45% 51%; background: #dcf2ec; font: 700 15px/1 Georgia, serif; }
.case-workflow li:nth-child(even) .case-workflow-index { background: #fff1ac; }
.case-workflow h3 { font-size: 17px; margin-bottom: 8px; line-height: 1.65; }
.case-workflow p { font-size: 14px; line-height: 1.95; }
.case-references { padding-top: 25px; border-top: 1px dashed var(--rule); font-size: 11px; color: var(--muted); }
.case-references h2 { font-size: 12px; font-weight: 600; margin-bottom: 9px; }
.case-references ul { list-style: none; margin: 0; padding: 0; }
.case-references li + li { margin-top: 7px; }
.case-references a { text-decoration: underline; text-underline-offset: 3px; }
.case-references a:hover { color: var(--accent); }
@media (max-width: 1000px) {
  .case-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 0; }
  .case-facts > div:nth-child(odd) { border-left: 0; padding-left: 0; }
  .case-loop ol { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 850px) {
  .case-matrix-examples { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .case-matrix-example + .case-matrix-example { border-top: 1px dashed var(--rule); padding-top: 24px; }
}
@media (max-width: 600px) {
  .case-study { font-size: 14px; line-height: 1.95; }
  .case-subtitle { font-size: 14px; }
  .case-facts { margin-block: 22px; }
  .case-facts > div { padding-inline: 10px; }
  .case-facts dd { font-size: 13px; }
  .case-facts dt { font-size: 10px; }
  .case-video-note { padding: 12px 9px; gap: 8px; font-size: 11px; }
  .case-toc { gap: 5px 12px; margin: 20px 0 25px; font-size: 11px; }
  .case-section { padding-block: 27px 30px; }
  .case-section-heading { gap: 9px; margin-bottom: 18px; align-items: flex-start; }
  .case-section-number { flex-basis: 28px; width: 28px; height: 31px; font-size: 15px; }
  .case-section-heading h2 { font-size: 19px; }
  .case-study .case-lead { font-size: 15px; line-height: 1.9; }
  .case-loop ol, .case-growth ol { grid-template-columns: minmax(0, 1fr); gap: 9px; }
  .case-loop li { padding: 12px; }
  .case-matrix { padding: 15px 9px; }
  .case-matrix-grid { gap: 5px; }
  .case-matrix-cell strong { font-size: 11px; }
  .case-matrix-cell small { font-size: 9px; }
  .case-growth li { padding: 15px 12px; }
  .case-workflow li { grid-template-columns: 27px minmax(0, 1fr); gap: 10px; }
  .case-workflow-index { width: 26px; height: 29px; font-size: 12px; }
  .case-workflow h3 { font-size: 16px; }
  .case-workflow p { font-size: 13px; }
}

/* Article catalog: topics contain compact, readable title-and-summary entries. */
.article-topic { margin: 30px 0 0; padding: 28px 0 8px; border-top: 2px dashed var(--ink); }
.article-topic + .article-topic { margin-top: 44px; }
.topic-heading { margin-bottom: 28px; }
.topic-tab { display: inline-block; font-size: 10px; background: #fff3af; border: 1px dashed var(--ink); padding: 2px 10px; transform: rotate(-2deg); margin-bottom: 12px; }
.topic-heading h3 { font-size: 29px; line-height: 1.4; letter-spacing: -.03em; }
.topic-heading p { font-size: 13px; margin-top: 10px; color: var(--muted); }
.article-group { margin-top: 25px; }
.article-group h4 { font-size: 14px; font-weight: 700; display: flex; align-items: center; gap: 15px; margin-bottom: 9px; }
.article-group h4::before { content: ''; width: 7px; height: 17px; background: var(--blue); transform: rotate(-8deg); }
.article-group h4::after { content: ''; flex: 1; border-top: 1px dashed var(--rule); }
.article-entries { list-style: none; padding: 0; }
.article-entries li { padding: 12px 0; line-height: 2; font-size: 14px; overflow-wrap: anywhere; }
.article-entries a { font-weight: 700; color: var(--ink); text-decoration: underline; text-decoration-color: #ffd93d; text-decoration-thickness: 3px; text-underline-offset: 5px; }
.article-entries a:hover { color: var(--accent); text-decoration-color: var(--blue); }
.reading-arrow { display: inline-block; transition: transform .15s; font-size: 14px; }
.article-entries a:is(:hover,:focus-visible) .reading-arrow { transform: translate(2px,-2px); }
.article-excerpt { color: var(--muted); }
@media(max-width:600px) {
  .topic-heading h3 { font-size: 24px; }
  .topic-heading p { font-size: 12px; }
  .article-group h4 { font-size: 13px; gap: 8px; }
  .article-entries li { font-size: 14px; padding-block: 13px; }
}

/* Shared topic disclosure and its contextual sidebar index. */
.topic-heading { margin-bottom: 0; }
.topic-toggle { display: flex; align-items: center; justify-content: space-between; gap: 24px; width: 100%; text-align: left; color: var(--ink); background: transparent; border: 2px dashed transparent; border-radius: 4px; padding: 12px 14px; margin: -12px 0 0 -14px; transition: background .15s, border-color .15s; }
.topic-toggle-copy { min-width: 0; }
.topic-toggle .topic-tab { font-weight: 400; letter-spacing: 0; }
.topic-name { display: block; font-size: 29px; line-height: 1.4; font-weight: 800; overflow-wrap: anywhere; }
.topic-description { display: block; margin-top: 10px; font-size: 13px; font-weight: 400; line-height: 1.85; letter-spacing: 0; color: var(--muted); }
.topic-toggle:hover { background: #fff3af55; border-color: var(--rule); }
.topic-chevron { flex: 0 0 40px; width: 40px; height: 40px; display: grid; place-items: center; border: 2px dashed var(--ink); border-radius: 47% 43% 48% 45%; background: #fff3af; }
.topic-chevron .icon, .subnav-toggle .icon { transition: transform .15s; }
[aria-expanded="true"] > .topic-chevron .icon, .subnav-toggle[aria-expanded="true"] .icon { transform: rotate(90deg); }
.topic-content { padding-top: 6px; }
.article-group { scroll-margin-top: 26px; }
.article-group:focus-visible, .topic-heading h3:focus-visible { outline: 2px dashed var(--accent); outline-offset: 3px; }
.article-subnav { padding: 9px 0 5px 12px; }
.subnav-topics, .subnav-articles { list-style: none; margin: 0; padding: 0; }
.subnav-topic + .subnav-topic { margin-top: 15px; }
.subnav-topic-row { display: flex; align-items: center; min-width: 0; }
.subnav-topic-row > a { min-width: 0; flex: 1; padding: 10px 5px; font-size: 13px; font-weight: 700; line-height: 1.6; overflow-wrap: anywhere; border-radius: 3px; }
.subnav-toggle { flex: 0 0 36px; display: grid; place-items: center; width: 36px; height: 44px; padding: 0; border: none; background: transparent; }
.subnav-toggle .icon { width: 16px; height: 16px; }
.subnav-content { margin-left: 5px; padding: 5px 0 5px 10px; border-left: 1px dashed var(--rule); }
.subnav-group + .subnav-group { margin-top: 15px; }
.subnav-group-link { display: block; padding: 9px 5px; font-size: 11px; font-weight: 700; line-height: 1.7; border-radius: 3px; overflow-wrap: anywhere; }
.subnav-articles a { display: block; padding: 9px 5px 9px 10px; color: var(--muted); font-size: 11px; line-height: 1.75; overflow-wrap: anywhere; }
.article-subnav a:hover, .subnav-toggle:hover { color: var(--accent); background: #4ecdc41c; }
.article-subnav .is-current { background: #4ecdc42b; color: var(--accent); }
.sidebar { overscroll-behavior-y: contain; }
.sidebar > * { flex-shrink: 0; }
@media (max-width: 900px) {
  .article-subnav { padding-left: 3px; }
  .subnav-topic-row > a { font-size: 12px; }
  .subnav-content { margin-left: 2px; padding-left: 5px; }
}
@media (max-width: 600px) {
  .topic-toggle { gap: 8px; padding: 9px 4px; margin: -9px 0 0; }
  .topic-name { font-size: 23px; }
  .topic-description { font-size: 12px; }
  .topic-chevron { flex-basis: 28px; width: 28px; height: 32px; }
  .topic-chevron .icon { width: 18px; }
  .article-subnav { padding-left: 0; padding-right: 0; }
  .subnav-topic-row { flex-wrap: wrap; }
  .subnav-topic-row > a { flex-basis: 100%; min-height: 44px; padding: 9px 3px; font-size: 11px; }
  .subnav-toggle { flex-basis: 100%; height: 44px; background: #eeeade55; }
  .subnav-content { margin-left: 0; padding-left: 3px; }
  .subnav-group-link { font-size: 11px; padding: 9px 2px; min-height: 44px; }
  .subnav-articles a { font-size: 11px; padding: 9px 2px 9px 4px; min-height: 44px; }
}

/* Single Bilibili video project detail. */
.case-video-player { width: 100%; aspect-ratio: 16 / 9; overflow: hidden; background: #171714; border: 1px solid var(--rule); }
.case-video-player iframe { display: block; width: 100%; height: 100%; border: 0; }
.case-video-source { display: inline-flex; align-items: center; min-height: 44px; margin-top: 8px; color: var(--muted); font-size: 12px; }
.case-video-source:hover { color: var(--accent); }