:root {
  --tt-red: #f04142;
  --tt-ink: #222226;
  --tt-muted: #737985;
  --tt-line: #eceff3;
  --tt-bg: #f6f7f9;
  --tt-soft: #fff4f4;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--tt-bg);
  color: var(--tt-ink);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
a { color: inherit; text-decoration: none; }
.shell { width: min(1180px, calc(100vw - 32px)); margin: 0 auto; }
.header { position: sticky; top: 0; z-index: 5; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--tt-line); backdrop-filter: blur(12px); }
.header-row { min-height: 64px; display: flex; align-items: center; gap: 22px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 24px; font-weight: 850; letter-spacing: -.04em; }
.brand-logo { height: 36px; max-width: 192px; object-fit: contain; }
.brand-mark { width: 10px; height: 28px; border-radius: 999px; background: linear-gradient(180deg, var(--tt-red), #ff7b5f); }
.nav { display: flex; gap: 18px; font-weight: 700; color: #4b5563; }
.nav a { padding: 22px 0 18px; border-bottom: 3px solid transparent; }
.nav .active, .nav a:hover { color: var(--tt-red); border-color: var(--tt-red); }
.search { margin-left: auto; width: 300px; display: flex; border: 1px solid var(--tt-line); border-radius: 999px; background: #f8fafc; overflow: hidden; }
.search input { flex: 1; border: 0; background: transparent; padding: 10px 14px; outline: none; }
.search button { border: 0; background: transparent; color: var(--tt-red); font-weight: 800; padding: 0 14px; }
.layout { display: grid; grid-template-columns: 148px minmax(0,1fr) 292px; gap: 18px; padding: 22px 0 34px; align-items: start; }
.rail, .panel, .head, .feed-block, .card, .article-main { background: #fff; border: 1px solid var(--tt-line); border-radius: 18px; box-shadow: 0 12px 30px rgba(15,23,42,.045); }
.rail { position: sticky; top: 84px; display: grid; gap: 4px; padding: 8px; }
.channel { display: flex; justify-content: space-between; padding: 11px 12px; border-radius: 12px; color: #4b5563; font-weight: 750; }
.channel.active, .channel:hover { background: var(--tt-soft); color: var(--tt-red); }
.feed { display: grid; gap: 12px; }
.head { padding: 28px; background: radial-gradient(circle at top right, rgba(240,65,66,.11), transparent 36%), #fff; }
.kicker { margin-bottom: 8px; color: var(--tt-red); font-size: 13px; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
h1 { margin: 0; font-size: clamp(36px, 5vw, 58px); line-height: 1.08; font-weight: 920; letter-spacing: -.06em; }
.desc { margin: 12px 0 0; color: #5f6876; font-size: 17px; line-height: 1.8; }
.breaking { display: flex; gap: 12px; align-items: center; padding: 12px 16px; background: #fff; border: 1px solid var(--tt-line); border-radius: 16px; color: var(--tt-muted); font-weight: 700; }
.breaking strong { color: var(--tt-red); }
.feed-block { padding: 22px 24px; }
.section-title { margin: 0 0 14px; display: flex; align-items: center; gap: 9px; font-size: 18px; font-weight: 900; }
.section-title:before { content: ""; width: 4px; height: 18px; border-radius: 999px; background: var(--tt-red); }
.card { display: grid; grid-template-columns: minmax(0,1fr) 142px; gap: 18px; padding: 18px; transition: transform .18s ease, box-shadow .18s ease; }
.card:hover { transform: translateY(-1px); box-shadow: 0 18px 42px rgba(15,23,42,.07); }
.meta { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; color: var(--tt-muted); font-size: 13px; font-weight: 700; }
.pill { display: inline-flex; padding: 4px 9px; border-radius: 999px; background: var(--tt-soft); color: var(--tt-red); font-size: 12px; font-weight: 800; }
.card h2 { margin: 10px 0 0; color: #111827; font-size: 22px; line-height: 1.28; letter-spacing: -.03em; }
.summary { margin: 10px 0 0; color: #626a77; line-height: 1.75; }
.read { display: inline-flex; margin-top: 14px; color: var(--tt-red); font-weight: 850; }
.thumb { min-height: 104px; border-radius: 14px; display: grid; place-items: center; color: var(--tt-red); font-size: 32px; font-weight: 900; background: radial-gradient(circle at 72% 24%, rgba(240,65,66,.22), transparent 34%), linear-gradient(135deg,#fff3f3,#eef2ff); border: 1px solid #f1e3e4; }
.sidebar { position: sticky; top: 84px; display: grid; gap: 14px; }
.panel { padding: 18px; }
.hot-list { display: grid; gap: 14px; }
.hot { display: grid; grid-template-columns: 24px minmax(0,1fr); gap: 10px; font-weight: 750; line-height: 1.5; color: #374151; }
.idx { display: grid; place-items: center; width: 22px; height: 22px; border-radius: 7px; background: #f1f5f9; color: #64748b; font-size: 12px; font-weight: 900; }
.hot:nth-child(-n+3) .idx { background: var(--tt-red); color: #fff; }
.article-layout { display: grid; grid-template-columns: minmax(0,1fr) 300px; gap: 20px; padding: 22px 0 34px; align-items: start; }
.article-main { padding: clamp(24px, 5vw, 54px); }
.article-main h1 { font-size: clamp(34px, 5vw, 52px); }
.excerpt { margin-top: 20px; padding: 18px; border-radius: 16px; background: #f8fafc; color: #5f6876; font-size: 18px; line-height: 1.8; }
.prose { margin-top: 28px; color: #263241; font-size: 18px; line-height: 1.95; }
.prose h2 { margin: 2em 0 .8em; padding-left: 12px; border-left: 4px solid var(--tt-red); font-size: 1.65em; letter-spacing: -.04em; }
.prose h3 { margin: 1.8em 0 .7em; font-size: 1.28em; }
.prose img { width: 100%; border-radius: 18px; box-shadow: 0 14px 36px rgba(15,23,42,.1); }
.prose figcaption { display: none; }
.prose table { width: 100%; border-collapse: collapse; overflow-x: auto; display: block; }
.prose th, .prose td { border: 1px solid #e5e7eb; padding: 10px 12px; }
.prose th { background: #f8fafc; }
.footer { border-top: 1px solid var(--tt-line); background: #fff; color: var(--tt-muted); text-align: center; padding: 28px 0; }
@media (max-width: 1080px) { .layout { grid-template-columns: 132px minmax(0,1fr); } .sidebar { display: none; } }
@media (max-width: 820px) { .shell { width: min(100% - 20px, 1180px); } .nav, .search { display: none; } .layout, .article-layout { display: block; } .rail { position: static; display: flex; overflow-x: auto; margin-bottom: 14px; } .channel { white-space: nowrap; } .card { grid-template-columns: 1fr; } }

body { background: #fff; }
.shell { width: min(1170px, calc(100vw - 32px)); }
.header { background: #fff; box-shadow: none; }
.header-row { min-height: 58px; gap: 24px; }
.brand { min-width: 128px; color: #222; font-size: 26px; font-weight: 900; }
.brand-mark { width: 32px; height: 32px; border-radius: 9px; background: var(--tt-red); box-shadow: inset 0 -7px 14px rgba(0,0,0,.08); }
.nav { gap: 20px; color: #555; font-size: 15px; }
.nav a { padding: 19px 0 16px; border-bottom-width: 2px; font-weight: 600; }
.search { width: 330px; height: 40px; border-color: #e8e8e8; background: #f5f6f7; border-radius: 4px; }
.search input { font-size: 14px; }
.search button { min-width: 46px; background: var(--tt-red); color: #fff; }
.layout { grid-template-columns: 110px minmax(0,650px) 320px; gap: 24px; padding-top: 18px; }
.rail { top: 76px; gap: 2px; padding: 0; border: 0; border-radius: 0; background: transparent; box-shadow: none; }
.channel { height: 40px; justify-content: flex-start; padding: 0 12px; border-radius: 4px; color: #444; font-size: 16px; font-weight: 500; }
.channel small { display: none; }
.channel:hover { background: #f7f8fa; color: var(--tt-red); }
.channel.active { background: var(--tt-red); color: #fff; font-weight: 700; }
.feed { gap: 0; border-left: 1px solid #f2f2f2; border-right: 1px solid #f2f2f2; background: #fff; }
.head { padding: 20px 22px 18px; border: 0; border-bottom: 1px solid #f0f0f0; border-radius: 0; background: #fff; box-shadow: none; }
.kicker { margin-bottom: 6px; color: #999; font-size: 13px; font-weight: 500; letter-spacing: 0; text-transform: none; }
h1 { font-size: 28px; line-height: 1.24; letter-spacing: -.02em; font-weight: 800; }
.desc { margin-top: 8px; color: #666; font-size: 14px; line-height: 1.7; }
.breaking { padding: 12px 22px; border: 0; border-bottom: 1px solid #f0f0f0; border-radius: 0; background: #fff; color: #444; font-size: 15px; }
.breaking strong { padding: 2px 7px; border-radius: 3px; background: var(--tt-red); color: #fff; font-size: 12px; }
.feed-block { padding: 0; border: 0; border-radius: 0; box-shadow: none; }
.section-title { margin: 0; padding: 14px 22px; border-bottom: 1px solid #f0f0f0; font-size: 18px; font-weight: 800; }
.section-title:before { width: 3px; height: 18px; margin-right: 1px; background: var(--tt-red); }
.card { grid-template-columns: minmax(0,1fr) 156px; gap: 18px; padding: 18px 22px; border: 0; border-bottom: 1px solid #f0f0f0; border-radius: 0; box-shadow: none; }
.card:hover { transform: none; box-shadow: none; background: #fafafa; }
.meta { gap: 8px; color: #999; font-size: 13px; font-weight: 400; }
.pill { padding: 0; background: transparent; color: #999; font-size: 13px; font-weight: 400; }
.card h2 { margin-top: 6px; font-size: 20px; line-height: 1.38; font-weight: 700; letter-spacing: 0; }
.summary { margin-top: 8px; color: #666; font-size: 14px; line-height: 1.7; }
.read { margin-top: 8px; color: #999; font-size: 13px; font-weight: 500; }
.read:hover { color: var(--tt-red); }
.thumb { min-height: 96px; border: 0; border-radius: 4px; background: linear-gradient(135deg, rgba(240,65,66,.78), rgba(255,144,84,.88)); color: rgba(255,255,255,.94); font-size: 34px; }
.sidebar { top: 76px; gap: 16px; }
.panel { padding: 0; border: 0; border-radius: 0; box-shadow: none; }
.panel .section-title { padding-left: 0; padding-right: 0; }
.hot-list { gap: 0; }
.hot { padding: 10px 0; border-bottom: 1px solid #f4f4f4; color: #333; font-size: 14px; font-weight: 500; }
.idx { background: transparent; color: #999; font-size: 15px; }
.hot:nth-child(1) .idx { color: #f04142; }
.hot:nth-child(2) .idx { color: #ff7a00; }
.hot:nth-child(3) .idx { color: #ffb400; }
.article-layout { grid-template-columns: minmax(0,720px) 320px; gap: 36px; padding-top: 28px; }
.article-main { padding: 0 0 40px; border: 0; border-radius: 0; box-shadow: none; }
.article-main h1 { margin-top: 14px; font-size: 34px; line-height: 1.28; letter-spacing: 0; font-weight: 800; }
.prose { margin-top: 22px; color: #222; font-size: 17px; line-height: 1.95; }
.prose h2 { padding-left: 10px; border-left: 3px solid var(--tt-red); font-size: 24px; letter-spacing: 0; }
.prose h3 { font-size: 20px; letter-spacing: 0; }
.prose img { border-radius: 4px; box-shadow: none; }
.footer { margin-top: 20px; }
@media (max-width: 1080px) { .layout { grid-template-columns: 96px minmax(0,1fr); } }
@media (max-width: 820px) { .layout,.article-layout { display:block; } .feed { border:1px solid #f2f2f2; } .rail { display:flex; gap:8px; padding-bottom:12px; overflow-x:auto; } .channel { height:36px; white-space:nowrap; } .card { grid-template-columns:1fr; } }

:root {
  --tt-red: #1B365D;
  --tt-ink: #141413;
  --tt-muted: #5e5d59;
  --tt-line: #e8e5da;
  --tt-bg: #f5f4ed;
  --tt-soft: #EEF2F7;
}
body { background: var(--tt-bg); }
.header { background: rgba(250,249,245,.96); border-bottom-color: var(--tt-line); }
.brand { min-width: 132px; gap: 8px; font-size: 24px; letter-spacing: -.035em; }
.brand-mark { width: 6px; height: 28px; border-radius: 999px; background: var(--tt-red); box-shadow: none; }
.nav { color: #4d4c48; }
.nav .active, .nav a:hover { color: var(--tt-red); border-color: var(--tt-red); }
.search { width: 300px; border-color: var(--tt-line); background: #faf9f5; border-radius: 10px; }
.search button { min-width: 44px; background: var(--tt-red); color: #faf9f5; }
.layout { grid-template-columns: 116px minmax(0,690px) 284px; gap: 22px; padding-top: 24px; }
.rail { top: 82px; padding: 8px; border: 1px solid var(--tt-line); border-radius: 14px; background: #faf9f5; }
.channel { height: 38px; padding: 0 12px; border-radius: 9px; color: #4d4c48; font-size: 15px; }
.channel:hover, .channel.active { background: #eef2f7; color: var(--tt-red); font-weight: 700; }
.feed { gap: 14px; border: 0; background: transparent; }
.head, .feed-block, .panel { border: 1px solid var(--tt-line); border-radius: 16px; background: #faf9f5; }
.head { padding: 26px 30px 24px; box-shadow: none; }
.kicker { color: #87867f; font-size: 13px; letter-spacing: .04em; }
h1 { max-width: 13em; color: var(--tt-ink); font-size: clamp(30px,3.2vw,42px); line-height: 1.18; letter-spacing: -.045em; }
.desc { max-width: 40em; color: var(--tt-muted); font-size: 15px; line-height: 1.62; }
.breaking { padding: 13px 18px; border: 1px solid var(--tt-line); border-radius: 14px; background: #faf9f5; color: #4d4c48; }
.breaking strong { background: #eef2f7; color: var(--tt-red); font-weight: 700; }
.feed-block { overflow: hidden; padding: 0; }
.section-title { padding: 16px 22px 14px; border-bottom-color: var(--tt-line); color: var(--tt-ink); font-size: 18px; font-weight: 700; }
.section-title:before { width: 3px; height: 18px; background: var(--tt-red); }
.card { grid-template-columns: 1fr; padding: 22px; border-bottom-color: var(--tt-line); background: transparent; }
.card:hover { background: #f7f6ef; }
.thumb { display: none; }
.meta, .pill { color: #87867f; font-size: 13px; }
.pill { color: var(--tt-red); font-weight: 600; }
.card h2 { max-width: 22em; margin-top: 7px; color: var(--tt-ink); font-size: 22px; line-height: 1.35; font-weight: 750; letter-spacing: -.02em; }
.summary { max-width: 42em; color: var(--tt-muted); font-size: 15px; line-height: 1.62; }
.read { color: #87867f; }
.read:hover { color: var(--tt-red); }
.sidebar { top: 82px; }
.panel { padding: 0 18px 16px; }
.panel .section-title { padding-left: 0; padding-right: 0; }
.hot { border-bottom-color: var(--tt-line); color: #3d3d3a; font-size: 14px; line-height: 1.55; }
.idx, .hot:nth-child(1) .idx, .hot:nth-child(2) .idx, .hot:nth-child(3) .idx { width: 22px; height: 22px; border-radius: 6px; background: #eef2f7; color: var(--tt-red); font-size: 12px; font-weight: 700; }
.footer { border-top-color: var(--tt-line); background: var(--tt-bg); }
@media (max-width: 820px) { .layout { padding-top: 14px; } .rail { padding: 8px; margin-bottom: 14px; } .head { padding: 22px; } }

.shell { width: min(1240px, calc(100vw - 48px)); }
.layout { grid-template-columns: minmax(180px,20%) minmax(0,1fr) minmax(180px,20%); gap: 24px; align-items: start; }
.brand { min-width: 180px; }
.search { width: min(360px, 28vw); }
.rail, .sidebar { width: 100%; }
h1 { max-width: 15em; }
.article-layout { display: block; width: min(860px, calc(100vw - 48px)); margin: 0 auto; padding: 42px 0 56px; }
.article-layout .sidebar { display: none; }
.article-main { padding: 44px 56px 52px; border: 1px solid var(--tt-line); border-radius: 18px; background: #faf9f5; }
.article-main h1 { max-width: 16em; font-size: clamp(34px,4vw,48px); line-height: 1.16; letter-spacing: -.04em; }
.prose { max-width: none; width: 100%; margin-left: 0; margin-right: 0; }
@media (max-width: 1080px) { .layout { grid-template-columns: 156px minmax(0,1fr); } .brand { min-width: 140px; } }
@media (max-width: 820px) { .shell,.article-layout { width: min(100% - 20px,1240px); } .brand { min-width: auto; } .article-main { padding: 28px 22px 34px; } }

.rail { padding: 10px; border-color: #eeeadd; border-radius: 18px; background: rgba(250,249,245,.72); box-shadow: inset 0 0 0 1px rgba(255,255,255,.42); }
.channel { height: 42px; padding: 0 14px; border-radius: 12px; color: #4d4c48; font-size: 14px; font-weight: 600; letter-spacing: -.01em; }
.channel + .channel { margin-top: 3px; }
.channel:hover { background: #f1f0e8; }
.channel.active { background: #EEF2F7; color: var(--tt-red); box-shadow: inset 3px 0 0 var(--tt-red); }
@media (min-width: 1081px) { .rail { max-width: 170px; } }

.rail { max-width: 178px; padding: 14px 10px; border: 1px solid #e8e5da; border-radius: 14px; background: #faf9f5; box-shadow: 0 10px 28px rgba(20,20,19,.035); }
.channel { position: relative; min-height: 36px; height: auto; padding: 8px 10px 8px 16px; border-left: 2.5px solid transparent; border-radius: 8px; color: #5e5d59; font-size: 13.5px; font-weight: 600; line-height: 1.35; }
.channel + .channel { margin-top: 6px; }
.channel:hover { background: #f1f0e8; color: #3d3d3a; }
.channel.active { background: #EEF2F7; border-left-color: var(--tt-red); color: var(--tt-red); box-shadow: none; }

.layout { --content-offset: 210px; width: calc(min(1240px, calc(100vw - 48px)) - var(--content-offset)); margin-left: calc((100vw - min(1240px, calc(100vw - 48px))) / 2 + var(--content-offset)); margin-right: auto; grid-template-columns: minmax(0,1fr) 300px; gap: 22px; }
.feed, .sidebar { min-width: 0; }
.head { padding: 24px 28px 22px; }
h1 { max-width: 14em; font-size: clamp(30px,3vw,40px); }
.sidebar { top: 82px; }
.panel { border-radius: 14px; }
@media (max-width: 1080px) { .layout { width: min(100% - 32px,900px); margin-left: auto; margin-right: auto; grid-template-columns: minmax(0,1fr); } .sidebar { display: none; } }
@media (max-width: 820px) { .layout { width: min(100% - 20px,900px); } }

.shell { width: min(1364px, calc(100vw - 48px)); }
.layout { width: min(1364px, calc(100vw - 48px)); margin-left: auto; margin-right: auto; grid-template-columns: minmax(0,1fr) 330px; gap: 24px; }
.article-layout { width: min(1364px, calc(100vw - 48px)); margin-left: auto; margin-right: auto; }
.article-main { width: min(920px, 100%); margin-left: auto; margin-right: auto; }
.search { width: min(360px, 30vw); }
@media (max-width: 1080px) { .shell,.layout,.article-layout { width: min(100% - 32px,980px); } }
@media (max-width: 820px) { .shell,.layout,.article-layout { width: min(100% - 20px,980px); } }

.shell, .layout, .article-layout { width: min(1100px, calc(100vw - 48px)); }
.layout { grid-template-columns: minmax(0,1fr) 300px; gap: 22px; }
.search { display: none; }
.header-row { justify-content: flex-start; }
.nav { margin-left: 24px; }
.article-main { width: 100%; }
@media (max-width: 1080px) { .shell,.layout,.article-layout { width: min(100% - 32px,980px); } }
@media (max-width: 820px) { .shell,.layout,.article-layout { width: min(100% - 20px,980px); } .nav { margin-left: 0; } }

.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 22px; color: #87867f; font-size: 13px; line-height: 1.5; }
.breadcrumb a { color: #5e5d59; font-weight: 600; }
.breadcrumb a:hover { color: var(--tt-red); }
.breadcrumb span:last-child { max-width: 38em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.related-block { margin-top: 0; padding: 28px 56px 34px; }
.related-block .section-title { padding: 0 0 16px; border-bottom: 0; }
.related-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px 18px; }
.related-card { display: grid; grid-template-columns: 24px minmax(0,1fr); gap: 10px; align-items: start; padding: 13px 0; border-bottom: 1px solid var(--tt-line); color: #3d3d3a; font-size: 15px; line-height: 1.55; font-weight: 600; }
.related-card:hover { color: var(--tt-red); }
.related-index { display: inline-grid; place-items: center; width: 22px; height: 22px; border-radius: 6px; background: #EEF2F7; color: var(--tt-red); font-size: 12px; font-weight: 700; }
@media (max-width: 820px) { .related-grid { grid-template-columns: 1fr; } .breadcrumb span:last-child { max-width: 22em; } }

.article-layout { display: grid; gap: 18px; }
.article-module { border: 1px solid var(--tt-line); border-radius: 18px; background: #faf9f5; }
.breadcrumb.article-module { padding: 16px 22px; margin-bottom: 0; }
.article-main.article-module { margin-left: 0; margin-right: 0; }
@media (max-width: 820px) { .related-block { padding: 24px 22px 28px; } }

.article-layout { display: flex; flex-direction: column; gap: 18px; width: min(1100px, calc(100vw - 48px)); margin: 0 auto; padding: 34px 0 56px; }
.article-layout .sidebar { display: none !important; }
.article-module, .article-main.article-module, .related-block.article-module { width: 100%; border: 1px solid var(--tt-line); border-radius: 18px; background: #faf9f5; box-shadow: 0 10px 28px rgba(20,20,19,.025); }
.breadcrumb.article-module { padding: 15px 22px; }
.article-main.article-module { padding: 42px 56px 50px; }
.article-main h1 { max-width: 100%; font-size: clamp(34px,4.2vw,54px); line-height: 1.13; letter-spacing: -.045em; }
.article-main .prose { max-width: none; width: 100%; font-size: 17px; line-height: 1.9; }
.related-block.article-module { padding: 28px 56px 34px; }
@media (max-width: 820px) {
  .shell,.layout,.article-layout { width: min(100% - 20px,1100px); }
  .header-row { min-height: 56px; }
  .brand { font-size: 21px; }
  .nav { display: none; }
  .layout { grid-template-columns: 1fr; gap: 14px; padding-top: 16px; }
  .sidebar { display: none; }
  .head { padding: 22px 20px; }
  h1 { font-size: 30px; line-height: 1.18; }
  .card { padding: 20px; }
  .card h2 { font-size: 21px; }
  .article-layout { gap: 12px; padding: 16px 0 34px; }
  .breadcrumb.article-module { padding: 12px 16px; font-size: 12px; }
  .article-main.article-module { padding: 26px 20px 32px; }
  .article-main h1 { font-size: 34px; line-height: 1.16; }
  .article-main .prose { font-size: 16px; line-height: 1.82; }
  .related-block.article-module { padding: 24px 20px 28px; }
}

/* List rows: no reserved thumbnail column when preview has no real cover image. */
.feed .card { grid-template-columns: minmax(0, 1fr) !important; }
.feed .card > div { min-width: 0; width: 100%; }
.feed .thumb { display: none !important; }
.feed .card h2,
.feed .summary { max-width: none; width: 100%; }
.brand-mark,
.section-title::before { display: none !important; }

.brand-logo { height: 36px; max-width: 192px; object-fit: contain; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; font-size: 14px; color: var(--tt-muted); margin-bottom: 16px; }
.breadcrumb a:hover { color: var(--tt-red); }
.article-date { color: var(--tt-muted); font-size: 14px; margin: 0 0 16px; }
.article-summary-box { background: #f8fafc; border-radius: 12px; padding: 16px 18px; margin-bottom: 20px; font-size: 16px; line-height: 1.75; color: #5f6876; }
.article-summary-box p { margin: 0; font-size: inherit; font-weight: 400; }
.article-main h1 { margin: 0 0 12px; font-size: clamp(28px, 4vw, 42px); line-height: 1.2; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--tt-line); }
.related-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.related-list a { font-weight: 650; }
/* 文章页：主栏 + 侧栏（覆盖上文主题碎片样式） */
.article-layout {
  display: grid !important;
  grid-template-columns: minmax(0, 1fr) 280px !important;
  gap: 18px;
  align-items: start;
  padding: 22px 0 34px;
  width: auto !important;
  margin: 0 !important;
}
.article-column { grid-column: 1; min-width: 0; }
.article-layout > .sidebar { display: grid !important; grid-column: 2; grid-row: 1; }
.article-body { margin-top: 8px; color: #263241; font-size: 17px; line-height: 1.9; }
.article-body h1 { display: none; }
.article-body h1:first-child + h2,
.article-body h1:first-child + p { margin-top: 0; }
.article-body h2 { margin: 2em 0 .8em; padding-left: 12px; border-left: 4px solid var(--tt-red); font-size: 1.35em; font-weight: 800; }
.article-body h3 { margin: 1.6em 0 .6em; font-size: 1.22em; }
.article-body p { margin: 1em 0; }
.article-body img { max-width: 100%; border-radius: 12px; }
.article-body ul, .article-body ol { padding-left: 1.4em; }
@media (max-width: 900px) {
  .article-layout { grid-template-columns: 1fr !important; }
  .article-layout > .sidebar { grid-column: 1; grid-row: auto; }
  .search { display: none; }
}