/* Minimal engineering journal skin */
:root { --minimal-ink:#171b1d; --minimal-muted:#6d7477; --minimal-line:#dedfdd; --minimal-paper:#fbfbfa; --minimal-accent:#536c77; }
html { scroll-behavior:smooth; }
body { background:var(--minimal-paper) !important; color:var(--minimal-ink); font-family:Pretendard,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic",sans-serif; }
a { color:inherit; }
a:focus-visible,button:focus-visible,input:focus-visible { outline:2px solid #536c77; outline-offset:3px; }
#header { background:rgba(251,251,250,.96); border-bottom:1px solid var(--minimal-line); }
#header .inner { max-width:1160px; padding:0 28px; box-sizing:border-box; }
#header h1 { color:var(--minimal-ink); font-family:inherit; font-size:1.3em; font-weight:700; letter-spacing:-.045em; }
#header h1 a,#gnb a { color:var(--minimal-ink); }
#header .util .search { border-radius:3px; background:#f0f1ef; }
#header .util .search input { background:transparent; }
#header .util .profile { display:none; }
#header .util .owner-manage { display:inline-flex; align-items:center; height:32px; margin-left:12px; padding:0 12px; border:1px solid var(--minimal-line); border-radius:999px; color:var(--minimal-ink); font-size:.78rem; font-weight:600; text-decoration:none; box-sizing:border-box; }
#header .util .owner-manage:hover,#header .util .owner-manage:focus-visible { background:#f0f1ef; color:var(--minimal-ink); }
#gnb a { font-weight:550; }
#gnb a:hover,#gnb a:focus { color:var(--minimal-accent); }
#container .content-wrap { max-width:1160px; padding:0 28px; box-sizing:border-box; }
#container .content-wrap:before { display:none; }
#content { padding-top:42px; }
#aside { color:var(--minimal-ink); }
#aside h2 { color:var(--minimal-ink); font-size:.9rem; font-weight:700; }
#aside a { color:var(--minimal-muted); }
#aside a:hover { color:var(--minimal-ink); }
#footer { border-top:1px solid var(--minimal-line); background:var(--minimal-paper); }
#footer p,#footer a { color:var(--minimal-muted); }
.publication-hero { display:none; }
#tt-body-index .publication-hero {
  position:relative; display:block; max-width:1104px; min-height:0; margin:34px auto 0; padding:25px 0 27px;
  border:0; border-bottom:1px solid var(--minimal-line); border-radius:0;
  color:var(--minimal-ink); background:transparent; box-shadow:none; box-sizing:border-box;
}
.publication-hero__copy { max-width:760px; }
.publication-hero h2 { margin:0; color:var(--minimal-ink); font-size:clamp(2rem,4.2vw,3rem); line-height:1.16; font-weight:650; letter-spacing:-.06em; }
.publication-hero__intro { max-width:42em; margin:13px 0 0; color:var(--minimal-muted); font-size:1rem; line-height:1.65; letter-spacing:-.02em; }
.publication-hero__topics { display:flex; flex-wrap:wrap; gap:18px; margin-top:18px; }
.publication-hero__topics a { display:inline-flex; align-items:center; padding:0 0 4px; border:0; border-bottom:1px solid transparent; border-radius:0; color:var(--minimal-ink); background:transparent; text-decoration:none; font-size:.88rem; font-weight:550; }
.publication-hero__topics a:hover { border-bottom-color:var(--minimal-ink); background:transparent; }
#tt-body-index .cover-list { margin:0 0 28px; padding-top:22px; border-top:1px solid var(--minimal-line); }
#tt-body-index .cover-list h2 { margin:0 0 4px; padding:0 0 11px; border-bottom:1px solid var(--minimal-line); color:var(--minimal-ink); font-size:1.04rem; font-weight:700; }
#tt-body-index .cover-list ul li { margin:0; border-bottom:1px solid var(--minimal-line); }
#tt-body-index .cover-list ul li:last-child { border-bottom:0; }
#tt-body-index .cover-list ul li a { display:grid; grid-template-columns:minmax(0,1fr) auto; align-items:baseline; gap:6px 16px; padding:13px 0; text-decoration:none; }
#tt-body-index .cover-list ul li .title { grid-column:1; grid-row:1; max-width:none; margin:0; color:var(--minimal-ink); font-size:1rem; font-weight:600; line-height:1.5; white-space:normal; }
#tt-body-index .cover-list ul li .excerpt { display:none !important; }
#tt-body-index .cover-list ul li .date { grid-column:2; grid-row:1; margin:0; color:var(--minimal-muted); font-size:.72rem; white-space:nowrap; }
#tt-body-index .cover-list ul li a:hover .title,#tt-body-index .cover-list ul li a:focus-visible .title { color:var(--minimal-accent); }
#tt-body-index #content .post-item { float:none !important; clear:both !important; width:100% !important; margin:0 !important; box-sizing:border-box; }
#tt-body-index #content .post-item > a { display:flex; flex-direction:column; min-height:0; padding:23px 0 22px; overflow:hidden; border:0; border-bottom:1px solid var(--minimal-line); border-radius:0; background:transparent; box-shadow:none; text-decoration:none; box-sizing:border-box; position:relative; }
#tt-body-index #content .post-item > a:before,#tt-body-index #content .post-item > a:after { content:none !important; display:none !important; }
#tt-body-index #content .post-item .thum { display:none !important; }
#tt-body-index #content .post-item .title { position:relative; z-index:1; max-width:100%; margin:0; padding:0; color:var(--minimal-ink); font-size:clamp(1.05rem,1.6vw,1.3rem); font-weight:650; line-height:1.5; letter-spacing:-.035em; white-space:normal; text-overflow:initial; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; }
#tt-body-index #content .post-item .excerpt { display:none !important; }
#tt-body-index #content .post-item .meta { position:relative; z-index:1; margin-top:8px; color:#858a8c; font-size:.74rem; letter-spacing:.015em; }
#tt-body-index #content .post-item > a:hover .title,#tt-body-index #content .post-item > a:focus-visible .title { color:var(--minimal-accent); }
.post-header h1 { color:var(--minimal-ink); font-size:1.1rem; font-weight:650; }
.post-header h1 em { color:var(--minimal-muted); }
#tt-body-index #content { float:none; width:100%; padding-top:36px; }
#tt-body-index #aside { display:none; }
#tt-body-index .content-wrap { max-width:1160px; }
.entry-content,.tt_article_useless_p_margin { max-width:760px; margin-left:auto; margin-right:auto; color:#242a2c; font-size:1.02rem; line-height:1.85; }
.post-cover { border-radius:0; }
@media (max-width:900px) {
  #tt-body-index .publication-hero { margin:28px 24px 0; padding:22px 0 24px; }
  .publication-hero__copy { max-width:100%; }
  #container .content-wrap { padding:0 24px; }
  #content { width:70%; }
  #aside { width:25%; }
}
@media (max-width:767px) {
  #header .inner { padding:0 18px; }
  #header h1 { font-size:1.18em; }
  #header .util .owner-manage { float:right; height:30px; margin:0 10px 0 0; padding:0 10px; font-size:.75rem; }
  #container .content-wrap { padding:0 18px; }
  #tt-body-index .publication-hero { display:block; min-height:0; margin:16px 18px 0; padding:16px 0 23px; }
  .publication-hero__copy { max-width:none; }
  .publication-hero h2 { max-width:none; font-size:clamp(1.7rem,8vw,2.3rem); line-height:1.18; }
  .publication-hero__intro { margin-top:11px; font-size:.92rem; }
  .publication-hero__topics { gap:14px; margin-top:15px; }
  .publication-hero__topics a { font-size:.82rem; }
  #tt-body-index .cover-list { margin-bottom:22px; padding-top:18px; }
  #tt-body-index .cover-list h2 { font-size:1rem; }
  #tt-body-index .cover-list ul li a { gap:6px 10px; padding:12px 0; }
  #tt-body-index .cover-list ul li .title { font-size:.94rem; }
  #tt-body-index .cover-list ul li .date { font-size:.68rem; }
  #tt-body-index #content { padding-top:24px; }
  #content,#tt-body-index #content { float:none; width:100%; padding-bottom:36px; }
  #tt-body-index #content .post-item { float:none !important; clear:both !important; width:100% !important; margin:0 !important; }
  #tt-body-index #content .post-item > a { padding:19px 0; }
  #tt-body-index #content .post-item .title { font-size:1.02rem; }
  #aside { display:none; }
  #container .content-wrap:before { display:none; }
  #footer .inner { padding:0 18px; }
  .entry-content,.tt_article_useless_p_margin { font-size:.98rem; }
}
@media (prefers-reduced-motion:reduce) {
  html { scroll-behavior:auto; }
  *,*::before,*::after { transition:none !important; animation:none !important; }
}

.publication-hero__kicker,.publication-hero__foot{display:none!important;}
.publication-hero__art>.publication-hero__orbit,.publication-hero__art>.publication-hero__core,.publication-hero__art>.publication-hero__formula{display:none!important;}
#tt-body-index #content .post-item>a:hover,#tt-body-index #content .post-item>a:focus-visible{transform:none!important;box-shadow:none!important;}

@media (max-width:360px) {
  #header .util .owner-manage { position:absolute; top:80px; right:18px; float:none; margin:0; }
  #gnb { margin-top:40px; }
}


/* KAN-484 v1.1: navigation, category previews, and homepage reading order */
#header .util .search:before { content:none; display:none; }
#header .util .search:not(.on) button[type="submit"] { visibility:hidden; pointer-events:none; }
#header .util .search .search-toggle { position:absolute; top:1px; right:1px; z-index:30; display:block; width:30px; height:30px; margin:0; padding:0; border:1px solid var(--minimal-line); border-radius:50%; background:#fff url(./ico_package.png) no-repeat -1px -1px; text-indent:-999em; cursor:pointer; }
#header .util .search.on .search-toggle { display:none; }
#header .util .search .search-toggle:hover,#header .util .search .search-toggle:focus-visible { background-color:#f0f1ef; }
#header .util .search input:focus-visible { outline:2px solid var(--minimal-accent); outline-offset:2px; }

#gnb { height:auto; max-width:100%; overflow:visible; box-sizing:border-box; }
#gnb ul { display:flex; flex-wrap:wrap; align-items:stretch; width:auto !important; max-width:100%; margin:0; padding:0; gap:0 4px; box-sizing:border-box; }
#gnb ul li { float:none; padding:0 6px; }
#gnb ul li a { display:flex; align-items:center; min-height:48px; padding:12px 4px 10px; white-space:nowrap; box-sizing:border-box; transition:color 140ms ease,background-color 140ms ease; }
#gnb ul li.current a,#gnb ul li a[aria-current="page"] { color:var(--minimal-accent); font-weight:750; }
#gnb ul li.current a:after,#gnb ul li a:hover:after,#gnb ul li a:focus:after { height:2px; background-color:var(--minimal-accent); }
#gnb ul li a:active { color:var(--minimal-accent); background-color:#f0f1ef; }

#tt-body-index .publication-hero { display:grid; grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr); align-items:end; gap:34px; max-width:1104px; margin:34px auto 0; padding:28px 0 24px; border:0; border-bottom:1px solid var(--minimal-line); }
#tt-body-index .publication-hero__copy { max-width:none; }
#tt-body-index .publication-hero__eyebrow { margin:0 0 8px; color:var(--minimal-accent); font-size:.72rem; font-weight:750; letter-spacing:.12em; }
#tt-body-index .publication-hero__topics { max-width:none; margin:0; }
#tt-body-index .publication-hero__topics h3 { margin:0; color:var(--minimal-ink); font-size:.9rem; font-weight:700; }
#tt-body-index .publication-hero__topic-list { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:0 16px; margin:8px 0 0; padding:0; list-style:none; }
#tt-body-index .publication-hero__topic-list li { min-width:0; margin:0; padding:0; }
#tt-body-index .publication-hero__topic-list a { display:flex; flex-direction:column; gap:4px; min-height:60px; padding:10px 8px 10px 0; border:0; border-top:1px solid var(--minimal-line); border-radius:0; background:transparent; text-decoration:none; transition:color 140ms ease,background-color 140ms ease; }
#tt-body-index .publication-hero__topic-list a:hover,#tt-body-index .publication-hero__topic-list a:focus-visible { color:var(--minimal-accent); background:rgba(83,108,119,.045); }
#tt-body-index .publication-hero__topic-list a:active { transform:translateY(1px); }
#tt-body-index .publication-hero__topic-list a[aria-current="page"] .topic-name { color:var(--minimal-accent); font-weight:750; }
#tt-body-index .topic-name { color:var(--minimal-ink); font-size:.86rem; font-weight:700; }
#tt-body-index .topic-desc { color:var(--minimal-muted); font-size:.72rem; line-height:1.45; }

#tt-body-index .featured-articles { display:grid; grid-template-columns:minmax(140px,.32fr) minmax(0,1fr); align-items:start; gap:24px; max-width:1104px; margin:0 auto; padding:20px 0 24px; border-bottom:1px solid var(--minimal-line); box-sizing:border-box; }
#tt-body-index .featured-articles__header { padding-top:5px; }
#tt-body-index .featured-articles__eyebrow { margin:0 0 6px; color:var(--minimal-accent); font-size:.68rem; font-weight:750; letter-spacing:.1em; }
#tt-body-index .featured-articles__header h2 { margin:0; color:var(--minimal-ink); font-size:1.05rem; font-weight:700; line-height:1.4; }
#tt-body-index .featured-articles__list { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:0; margin:0; padding:0; border-top:1px solid var(--minimal-line); list-style:none; }
#tt-body-index .featured-articles__list li { min-width:0; margin:0; padding:0 14px; border-right:1px solid var(--minimal-line); }
#tt-body-index .featured-articles__list li:first-child { padding-left:0; }
#tt-body-index .featured-articles__list li:last-child { padding-right:0; border-right:0; }
#tt-body-index .featured-articles__list a { display:grid; grid-template-columns:minmax(0,1fr) auto; align-content:start; gap:8px 10px; min-height:86px; padding:12px 0 8px; color:var(--minimal-ink); text-decoration:none; transition:color 140ms ease,background-color 140ms ease; }
#tt-body-index .featured-articles__category { grid-column:1; color:var(--minimal-accent); font-size:.7rem; font-weight:750; }
#tt-body-index .featured-articles__title { grid-column:1; color:var(--minimal-ink); font-size:.84rem; font-weight:650; line-height:1.5; overflow-wrap:anywhere; }
#tt-body-index .featured-articles__arrow { grid-column:2; grid-row:1 / span 2; color:var(--minimal-muted); font-size:.85rem; }
#tt-body-index .featured-articles__list a:hover .featured-articles__title,#tt-body-index .featured-articles__list a:focus-visible .featured-articles__title { color:var(--minimal-accent); }
#tt-body-index .featured-articles__list a:active { transform:translateY(1px); }
#tt-body-index .post-header h1 em { display:none; }
#tt-body-index #content .post-item .excerpt { display:none !important; }

#tt-body-category .post-header { margin-bottom:24px; }
#tt-body-category .post-header h1 { color:var(--minimal-ink); font-size:1.34rem; font-weight:700; line-height:1.3; }
#tt-body-category .post-header h1 em { margin-left:7px; color:var(--minimal-muted); font-size:.78em; font-weight:500; }
#tt-body-category .category-description { max-width:60ch; margin:10px 0 0; color:var(--minimal-muted); font-size:.91rem; line-height:1.7; }
#tt-body-category #content .post-item { float:none !important; clear:both !important; width:100% !important; margin:0 !important; box-sizing:border-box; }
#tt-body-category #content .post-item > a { display:grid; grid-template-columns:minmax(0,1fr); grid-template-areas:"title" "meta" "excerpt"; gap:0; min-height:0; padding:19px 0; overflow:visible; border:0; border-bottom:1px solid var(--minimal-line); border-radius:0; background:transparent; box-shadow:none; text-decoration:none; box-sizing:border-box; }
#tt-body-category #content .post-item .title { grid-area:title; display:block; max-width:100%; margin:0; padding:0; color:var(--minimal-ink); font-size:1.06rem; font-weight:700; line-height:1.45; letter-spacing:-.025em; white-space:normal; text-overflow:clip; overflow:visible; -webkit-line-clamp:unset; }
#tt-body-category #content .post-item .meta { grid-area:meta; margin-top:5px; color:var(--minimal-muted); font-size:.73rem; letter-spacing:.015em; }
#tt-body-category #content .post-item .excerpt { grid-area:excerpt; display:-webkit-box !important; overflow:hidden; max-width:72ch; margin-top:8px; color:#626b6f; font-size:.86rem; line-height:1.6; white-space:normal; -webkit-line-clamp:2; -webkit-box-orient:vertical; }
#tt-body-category #content .post-item .thum { display:none !important; }
#tt-body-category #content .post-item.has-thumbnail > a { grid-template-columns:minmax(0,1fr) 116px; grid-template-areas:"title thumb" "meta thumb" "excerpt thumb"; column-gap:20px; }
#tt-body-category #content .post-item.has-thumbnail .thum { display:block !important; grid-area:thumb; align-self:center; width:116px; height:86px; margin:0; overflow:hidden; border-radius:4px; }
#tt-body-category #content .post-item.has-thumbnail .thum .real-thum { display:block; width:100%; height:100%; object-fit:cover; }
#tt-body-category #content .post-item.has-thumbnail .thum .fallback-thum { display:none !important; }
#tt-body-category #content .post-item > a:hover .title,#tt-body-category #content .post-item > a:focus-visible .title { color:var(--minimal-accent); }
#tt-body-category #content .post-item > a:active { background:rgba(83,108,119,.035); }

@media (max-width:900px) {
  #tt-body-index .publication-hero { grid-template-columns:minmax(0,1fr) minmax(240px,.9fr); gap:24px; margin:28px 24px 0; }
  #tt-body-index .featured-articles { margin:0 24px; }
}
@media (max-width:767px) {
  #gnb { height:auto; overflow:visible; padding:0; }
  #gnb ul { width:auto !important; max-width:100%; margin:0; gap:0 2px; }
  #gnb ul li { padding:0 3px; }
  #gnb ul li a { min-height:44px; padding:10px 6px 8px; font-size:.82rem; }
  #tt-body-index .publication-hero { grid-template-columns:minmax(0,1fr); gap:17px; margin:16px 18px 0; padding:17px 0 20px; }
  #tt-body-index .publication-hero__topic-list { gap:0 12px; }
  #tt-body-index .publication-hero__topic-list a { min-height:58px; padding:9px 4px 9px 0; }
  #tt-body-index .topic-desc { font-size:.7rem; }
  #tt-body-index .featured-articles { grid-template-columns:minmax(0,1fr); gap:10px; margin:0 18px; padding:17px 0 20px; }
  #tt-body-index .featured-articles__list { grid-template-columns:minmax(0,1fr); }
  #tt-body-index .featured-articles__list li,#tt-body-index .featured-articles__list li:first-child,#tt-body-index .featured-articles__list li:last-child { padding:0; border:0; border-bottom:1px solid var(--minimal-line); }
  #tt-body-index .featured-articles__list a { min-height:0; padding:11px 0; }
  #tt-body-category #content .post-item.has-thumbnail > a { grid-template-columns:minmax(0,1fr) 82px; column-gap:12px; }
  #tt-body-category #content .post-item.has-thumbnail .thum { width:82px; height:64px; }
  body.mobile-menu #aside,#tt-body-index.mobile-menu #aside { display:block !important; right:0; width:min(320px,88vw) !important; max-width:calc(100vw - 20px); box-sizing:border-box; }
  #aside .close { width:44px; height:44px; top:18px; right:18px; }
  #aside .mobile-primary-nav { width:100%; max-width:100%; box-sizing:border-box; margin:0 0 16px; padding:0 0 14px; border-bottom:1px solid var(--minimal-line); }
  #aside .mobile-primary-nav ul { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:2px 6px; margin:0; padding:0; list-style:none; }
  #aside .mobile-primary-nav li { float:none; min-width:0; margin:0; padding:0; }
  #aside .mobile-primary-nav li a { display:flex; align-items:center; min-height:44px; padding:7px 6px; border:0; border-bottom:1px solid var(--minimal-line); color:var(--minimal-ink); font-size:.8rem; line-height:1.3; text-decoration:none; box-sizing:border-box; }
  #aside .mobile-primary-nav li a[aria-current="page"] { color:var(--minimal-accent); font-weight:750; background:rgba(83,108,119,.06); }
  #aside .mobile-primary-nav li a:active { transform:translateY(1px); }
  #aside .mobile-menu-profile { margin:0 0 14px; padding:0 0 12px; border-bottom:1px solid var(--minimal-line); }
}
@media (prefers-reduced-motion:reduce) {
  #gnb ul li a,#header .util .search .search-toggle,#tt-body-index .publication-hero__topic-list a,#tt-body-index .featured-articles__list a,#aside { transition:none !important; }
}

/* KAN-484 v1.1: make the active destination explicit without duplicating topic links in the global header. */
#gnb a[aria-current="page"],
.publication-hero__topics a[aria-current="page"],
#aside .category_list li.current > a,
#aside .sub_category_list li.current > a {
  font-weight: 700 !important;
  text-decoration: underline !important;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.2em;
}

/*
 * KAN-539 — screenshot-confirmed post-release regression fix (2026-10-29).
 *
 * This featured reading section exists in the shared Tistory skin markup,
 * but is designed and styled ONLY for the homepage. Without the default
 * hidden rule, its raw heading and links appear above every article and
 * category list. The existing #tt-body-index .featured-articles rule above
 * has higher specificity and continues to show the section on home.
 */
.featured-articles {
  display: none;
}

/*
 * The old Book Club style.css injects a "STUDY NOTE" pseudo-label and a
 * large circular border via #content .post-item > a::before / ::after.
 * KAN-484 suppressed them on the homepage but not category pages, so
 * they overlap the new one-column article list (verified in screenshots).
 * Keep all post metadata, thumbnails, links and existing list geometry.
 */
#tt-body-category #content .post-item > a::before,
#tt-body-category #content .post-item > a::after,
#tt-body-search #content .post-item > a::before,
#tt-body-search #content .post-item > a::after,
#tt-body-archive #content .post-item > a::before,
#tt-body-archive #content .post-item > a::after {
  content: none !important;
  display: none !important;
}



/* KAN-549 bright editorial atmosphere — preview only; homepage-scoped. */
body#tt-body-index {
  min-height: 100vh;
  color: #263634;
  background:
    radial-gradient(ellipse 58rem 42rem at 7% 2%, rgba(190,223,215,.48), transparent 72%),
    radial-gradient(ellipse 54rem 44rem at 94% 16%, rgba(235,219,190,.38), transparent 72%),
    radial-gradient(ellipse 60rem 46rem at 49% 92%, rgba(204,220,232,.34), transparent 74%),
    linear-gradient(157deg, #fbfaf6 0%, #f6f8f5 53%, #f4f7f6 100%) !important;
}
#tt-body-index #wrap,
#tt-body-index .wrap_skin,
#tt-body-index #header,
#tt-body-index #container,
#tt-body-index #container .content-wrap,
#tt-body-index #content,
#tt-body-index #aside,
#tt-body-index #footer {
  background: transparent !important;
}
#tt-body-index #header { border-bottom-color: rgba(73,104,97,.14) !important; }
#tt-body-index #footer { border-top-color: rgba(73,104,97,.16) !important; }
#tt-body-index #wrap { max-width: 1220px; margin-inline: auto; }

#tt-body-index .publication-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(280px, .92fr);
  grid-template-areas: "copy art" "topics topics";
  align-items: center;
  column-gap: clamp(24px, 4vw, 60px);
  row-gap: 8px;
  max-width: 1120px;
  margin: 22px auto 0;
  padding: 24px 0 13px;
  border: 0;
  background: transparent;
  box-shadow: none;
}
#tt-body-index .publication-hero__copy { grid-area: copy; min-width: 0; max-width: none; }
#tt-body-index .publication-hero__eyebrow {
  margin: 0 0 13px;
  color: #5a786f;
  font: 700 .67rem/1.5 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .13em;
}
#tt-body-index .publication-hero h2 {
  max-width: 700px;
  color: #213531;
  font-size: clamp(2.15rem, 3.55vw, 3.55rem);
  font-weight: 720;
  line-height: 1.2;
  letter-spacing: -.06em;
  word-break: keep-all;
}
#tt-body-index .publication-hero h2 span { color: #4c7b72; }
#tt-body-index .publication-hero__intro {
  max-width: 34em;
  margin: 17px 0 0;
  color: #5d6e69;
  font-size: .96rem;
  line-height: 1.82;
  letter-spacing: -.022em;
  word-break: keep-all;
}
#tt-body-index .publication-hero__actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 23px;
}
#tt-body-index .publication-hero__actions a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: .86rem;
  font-weight: 650;
  transition: color .18s ease, border-color .18s ease;
}
#tt-body-index .publication-hero__primary {
  padding: 0 0 5px;
  border: 0;
  border-bottom: 1px solid rgba(63,112,102,.52);
  border-radius: 0;
  color: #3f7066;
  background: transparent !important;
}
#tt-body-index .publication-hero__primary:hover,
#tt-body-index .publication-hero__primary:focus-visible {
  color: #254d46;
  border-bottom-color: #4d8075;
  background: transparent !important;
}
#tt-body-index .publication-hero__secondary { color: #65736d; }
#tt-body-index .publication-hero__secondary:hover { color: #304f49; }

#tt-body-index .hero-stage {
  position: relative;
  grid-area: art;
  height: clamp(280px, 29vw, 350px);
  min-width: 0;
  overflow: visible;
  border: 0;
  border-radius: 0;
  background: transparent !important;
  box-shadow: none !important;
  isolation: isolate;
}
#tt-body-index .hero-stage::before {
  content: "";
  position: absolute;
  inset: 5% -3%;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at 53% 46%, rgba(186,223,212,.50) 0%, rgba(210,225,229,.24) 39%, rgba(239,230,212,.10) 58%, transparent 74%);
}
#tt-body-index .hero-stage canvas,
#tt-body-index .hero-stage__fallback {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
#tt-body-index .hero-stage canvas[hidden] { display: none !important; }
#tt-body-index .hero-stage__fallback { opacity: 1; transition: opacity .22s ease; }
#tt-body-index .hero-stage.has-webgl .hero-stage__fallback { opacity: 0; }
#tt-body-index .hero-stage__label {
  position: absolute;
  z-index: 2;
  right: 12px;
  bottom: 12px;
  left: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: rgba(61,86,79,.62);
  font: 600 .62rem/1.5 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .09em;
  pointer-events: none;
}
#tt-body-index .publication-hero__topics { grid-area: topics; min-width: 0; margin: 0; }
#tt-body-index .publication-hero__topic-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px clamp(16px, 2.7vw, 34px);
  margin: 0;
  padding: 0;
  list-style: none;
}
#tt-body-index .publication-hero__topic-list li { min-width: 0; }
#tt-body-index .publication-hero__topic-list a {
  display: block;
  min-height: 0;
  padding: 8px 0 10px;
  border: 0;
  border-bottom: 1px solid rgba(73,111,101,.22);
  border-radius: 0;
  color: inherit;
  background: transparent !important;
  text-decoration: none;
}
#tt-body-index .publication-hero__topic-list a:hover,
#tt-body-index .publication-hero__topic-list a:focus-visible {
  border-bottom-color: #71998e;
  background: transparent !important;
}
#tt-body-index .publication-hero__topic-list .topic-name { display: block; color: #304b44; font-size: .85rem; font-weight: 680; }
#tt-body-index .publication-hero__topic-list .topic-desc { display: block; margin-top: 4px; color: #7a8982; font-size: .68rem; line-height: 1.35; }

#tt-body-index .featured-articles {
  display: grid;
  grid-template-columns: minmax(140px, 175px) minmax(0, 1fr);
  gap: 20px;
  max-width: 1120px;
  margin: 7px auto 0;
  padding: 17px 0 18px;
  border-top: 1px solid rgba(73,104,97,.16);
  border-bottom: 1px solid rgba(73,104,97,.16);
  background: transparent;
}
#tt-body-index .featured-articles__header { min-width: 0; }
#tt-body-index .featured-articles__eyebrow { margin: 0 0 4px; color: #7b8982; font-size: .68rem; letter-spacing: .035em; }
#tt-body-index .featured-articles__header h2 { margin: 0; color: #2b3e39; font-size: 1rem; font-weight: 700; letter-spacing: -.03em; }
#tt-body-index .featured-articles__list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0 25px;
  margin: 0;
  padding: 0;
  border: 0;
  list-style: none;
}
#tt-body-index .featured-articles__list li,
#tt-body-index .featured-articles__list li:first-child,
#tt-body-index .featured-articles__list li:last-child { min-width: 0; padding: 0; border: 0; }
#tt-body-index .featured-articles__list a {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas: "category arrow" "title arrow";
  align-content: start;
  gap: 3px 8px;
  min-height: 70px;
  padding: 2px 0;
  border: 0;
  border-radius: 0;
  background: transparent !important;
  text-decoration: none;
}
#tt-body-index .featured-articles__category { grid-area: category; color: #698b81; font-size: .67rem; font-weight: 700; }
#tt-body-index .featured-articles__title { grid-area: title; color: #2e403b; font-size: .82rem; font-weight: 650; line-height: 1.5; overflow-wrap: anywhere; }
#tt-body-index .featured-articles__arrow { grid-area: arrow; align-self: center; color: #82958c; font-size: .82rem; }
#tt-body-index .featured-articles__list a:hover .featured-articles__title,
#tt-body-index .featured-articles__list a:focus-visible .featured-articles__title { color: #44796e; }
#tt-body-index #container { margin-top: 0; }
#tt-body-index #content { float: none; width: 100%; padding-top: 12px; }
#tt-body-index #content .post-item > a {
  padding: 15px 0;
  border: 0;
  border-bottom: 1px solid rgba(73,104,97,.16) !important;
  border-radius: 0;
  background: transparent !important;
  box-shadow: none !important;
}
#tt-body-index #content .post-item > a:hover { background: rgba(255,255,255,.24) !important; }
#tt-body-index #content .post-item .title { color: #293c37; }
#tt-body-index #content .post-item .meta { color: #798780; }

@media (max-width: 900px) and (min-width: 768px) {
  #tt-body-index .publication-hero { margin-right: 24px; margin-left: 24px; }
  #tt-body-index .featured-articles { margin-right: 24px; margin-left: 24px; }
}
@media (max-width: 767px) {
  #tt-body-index #header { background: rgba(250,249,245,.72) !important; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
  #tt-body-index .publication-hero {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas: "copy" "art" "topics";
    gap: 4px;
    margin: 12px 18px 0;
    padding: 17px 0 12px;
  }
  #tt-body-index .publication-hero h2 { font-size: clamp(1.92rem, 7.7vw, 2.55rem); line-height: 1.2; }
  #tt-body-index .publication-hero__intro { margin-top: 11px; font-size: .88rem; line-height: 1.75; }
  #tt-body-index .publication-hero__actions { margin-top: 16px; gap: 17px; }
  #tt-body-index .hero-stage { height: 216px; margin: -3px 0 0; }
  #tt-body-index .hero-stage__label { right: 8px; bottom: 8px; left: 8px; font-size: .58rem; }
  #tt-body-index .publication-hero__topic-list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 22px; }
  #tt-body-index .publication-hero__topic-list a { padding: 7px 0 9px; }
  #tt-body-index .featured-articles { display: block; margin: 10px 18px 0; padding: 15px 0 12px; }
  #tt-body-index .featured-articles__header { margin: 0 0 5px; }
  #tt-body-index .featured-articles__list { grid-template-columns: minmax(0, 1fr); gap: 0; }
  #tt-body-index .featured-articles__list li,
  #tt-body-index .featured-articles__list li:first-child,
  #tt-body-index .featured-articles__list li:last-child { border-bottom: 1px solid rgba(73,104,97,.13); }
  #tt-body-index .featured-articles__list li:last-child { border-bottom: 0; }
  #tt-body-index .featured-articles__list a { min-height: 0; padding: 9px 0; }
  #tt-body-index #content { padding-top: 8px; }
  #tt-body-index.mobile-menu #aside { background: rgba(250,249,245,.98) !important; }
}
@media (max-width: 360px) {
  #tt-body-index #header .inner { padding-right: 14px; padding-left: 14px; }
  #tt-body-index .publication-hero { margin-right: 14px; margin-left: 14px; }
  #tt-body-index .publication-hero h2 { font-size: clamp(1.78rem, 8vw, 2.1rem); }
  #tt-body-index .publication-hero__actions { gap: 12px; }
  #tt-body-index .publication-hero__actions a { font-size: .8rem; }
  #tt-body-index .featured-articles { margin-right: 14px; margin-left: 14px; }
}
@media (prefers-reduced-motion: reduce) {
  #tt-body-index .hero-stage__fallback,
  #tt-body-index .publication-hero__actions a { transition: none !important; }
}


/* KAN-549 follow-up: borderless homepage, using spacing and typography instead of card divisions. */
#tt-body-index #header,
#tt-body-index #footer,
#tt-body-index .publication-hero,
#tt-body-index .publication-hero__topic-list a,
#tt-body-index .featured-articles,
#tt-body-index .featured-articles__list li,
#tt-body-index .featured-articles__list a,
#tt-body-index .cover-list,
#tt-body-index .cover-list h2,
#tt-body-index #content .post-item > a {
  border: 0 !important;
  border-radius: 0 !important;
  box-shadow: none !important;
}
#tt-body-index .publication-hero,
#tt-body-index .publication-hero__topic-list a,
#tt-body-index .featured-articles,
#tt-body-index .featured-articles__list li,
#tt-body-index .featured-articles__list a,
#tt-body-index .cover-list,
#tt-body-index .cover-list h2,
#tt-body-index #content .post-item > a,
#tt-body-index #content .post-item > a:hover,
#tt-body-index #content .post-item > a:focus-visible {
  background: transparent !important;
}
#tt-body-index #content .post-item > a::before,
#tt-body-index #content .post-item > a::after {
  content: none !important;
  display: none !important;
}
#tt-body-index .publication-hero__topic-list a:hover,
#tt-body-index .publication-hero__topic-list a:focus-visible,
#tt-body-index .featured-articles__list a:hover,
#tt-body-index .featured-articles__list a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 4px;
}