@font-face {
  font-family: "Space Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/static/fonts/space-mono-400.woff2") format("woff2");
}

@font-face {
  font-family: "Space Mono";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("/static/fonts/space-mono-700.woff2") format("woff2");
}

:root {
  color-scheme: light;
  /* 暖纸（羊皮纸）体系：取代原来的纯黑 hero */
  --paper: #f5f4ed;      /* 页面底 */
  --surface: #faf9f5;    /* 卡片/抬升面 */
  --ink: #1a1917;         /* 暖近黑，15.9:1 */
  --muted: #5e5d59;       /* 暖灰次要文字，6.0:1 */
  --faint: #6f6e68;       /* 弱化文字，4.6:1 */
  --hairline: #e2e0d6;    /* 细边框（whisper 级） */
  --wash: #ecebe2;        /* 代码块/底纹 */
  /* 原 5 色海报色已废弃：全站收敛为单一陶土强调色 */
  --signal: #c96442;        /* 陶土赭红 · 图形/大字 3.5:1 */
  --signal-ink: #a84f33;    /* 同色深一档 · 小字 5.0:1 */
  --signal-soft: #e08a63;   /* 深底上使用 4.6:1 */
  --focus-halo: var(--surface);
  --healthy: #1f7a4d;
  --warning: #8f5806;
  --danger: #b53434;
  --serif: "Songti SC", "Noto Serif SC", "Source Han Serif SC", STSong, Georgia, serif;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --mono: "Space Mono", "SFMono-Regular", Menlo, Monaco, Consolas, monospace;
  --page: 1212px;
}


*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
button, input, select { font: inherit; }
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
  /* 原为 var(--signal)：在 /briefing 是黄环黄底 1.26:1，键盘焦点等于看不见。
     改为深色 signal-ink + 纸色外圈，深底/浅底都可见。 */
  outline: 2px solid var(--signal-ink);
  outline-offset: 3px;
  box-shadow: 0 0 0 3px var(--focus-halo);
}
.page-shell { width: min(calc(100% - 40px), var(--page)); margin: 0 auto; padding: 0 0 72px; }
.site-header { position: sticky; top: 0; z-index: 30; border-bottom: 1px solid var(--hairline); background: rgba(250,249,245,.92); backdrop-filter: saturate(1.4) blur(10px); color: var(--ink); }
.site-header__inner { width: min(calc(100% - 40px), var(--page)); min-height: 58px; margin: 0 auto; display: flex; align-items: center; gap: 26px; }
.brand { display: inline-flex; align-items: center; gap: 11px; flex: none; font-weight: 700; letter-spacing: -.03em; }
.site-nav { margin-left: auto; display: flex; align-self: stretch; gap: 22px; }
.site-nav a { display: grid; align-items: center; position: relative; color: var(--muted); font-size: 11px; letter-spacing: .04em; }
.site-nav a::after { content: ""; position: absolute; right: 0; bottom: -1px; left: 0; height: 3px; background: transparent; transform: scaleX(0); transform-origin: left; transition: transform 160ms ease, background-color 160ms ease; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ink); }
.site-nav a:hover::after, .site-nav a[aria-current="page"]::after { background: var(--signal); transform: scaleX(1); }
.site-state { flex: none; margin-left: 8px; color: var(--muted); font-family: var(--mono); font-size: 9px; letter-spacing: .08em; text-transform: uppercase; }
.site-state::before { content: ""; display: inline-block; width: 6px; height: 6px; margin-right: 7px; background: var(--signal); vertical-align: 1px; transform: rotate(45deg); animation: status-pulse 2.2s steps(2, end) infinite; }

.page-intro, .edition-head {
  position: relative;
  isolation: isolate;
  background: transparent;
  color: var(--ink);
}
/* hero 不再是独立色块：改成一层全宽、由上而下淡出的暖白，
   既保留层次感，又不会出现"一块白"硬边。原来的纯黑 ::before 同样已删除。 */
.page-intro::before, .edition-head::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 100vw;
  transform: translateX(-50%);
  background: linear-gradient(180deg, rgba(250,249,245,.85) 0%, rgba(250,249,245,.45) 55%, rgba(245,244,237,0) 100%);
}
.page-intro { display: grid; grid-template-columns: minmax(0, 1fr) minmax(330px, 430px); gap: clamp(36px, 7vw, 100px); align-items: end; min-height: 260px; padding: 42px 0 38px; border-bottom: 1px solid var(--hairline); }
.eyebrow { color: var(--signal-ink); font-family: var(--mono); font-size: 9px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.page-title { max-width: 21ch; margin: 10px 0 10px; color: var(--ink); font-family: var(--serif); font-size: clamp(28px, 2.8vw, 34px); font-weight: 700; line-height: 1.08; letter-spacing: -.04em; overflow-wrap: anywhere; }
.poster-glyph { display: inline-block; min-width: .02em; opacity: 0; transform-origin: center; transition: transform 440ms cubic-bezier(.2,.8,.2,1) var(--glyph-delay), opacity 280ms ease var(--glyph-delay), color 180ms linear; will-change: transform; }
.poster-glyph--space { width: .42em; }
.poster-ready .poster-glyph { opacity: 1; }
.page-title .poster-glyph:nth-child(5n + 2) { color: var(--signal); }
.page-deck { max-width: 58ch; margin: 0; color: var(--muted); font-size: 12px; line-height: 1.75; }

.instrument-panel { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--hairline); }
.instrument-row { display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: baseline; padding: 10px 0; border-bottom: 1px solid var(--hairline); }
.instrument-row:nth-child(odd) { padding-right: 16px; }
.instrument-row:nth-child(even) { padding-left: 16px; border-left: 1px solid var(--hairline); }
.instrument-row dt { color: var(--muted); font-family: var(--mono); font-size: 10px; letter-spacing: .07em; text-transform: uppercase; }
.instrument-row dd { min-width: 0; margin: 0; overflow: hidden; color: var(--ink); font-family: var(--mono); font-size: 10px; font-weight: 700; text-align: right; text-overflow: ellipsis; white-space: nowrap; }
.status-inline { display: flex; gap: 9px; color: inherit; font-family: var(--mono); font-size: 10px; }

.edition-head { display: grid; grid-template-columns: minmax(250px, .78fr) minmax(0, 1.22fr); min-height: 300px; padding-top: 44px; border-bottom: 1px solid var(--hairline); }
.edition-head__title { padding: 22px 38px 28px 0; border-right: 1px solid var(--hairline); }
.edition-head__title .page-title { margin-bottom: 13px; }
.edition-head__thesis { display: grid; grid-template-columns: 82px minmax(0, 1fr); gap: 20px; padding: 24px 0 28px 34px; align-content: start; }
.edition-head__thesis > span { padding-top: 5px; color: var(--signal-ink); font-family: var(--mono); font-size: 10px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.edition-head__thesis p { max-width: 32ch; margin: 0; color: var(--ink); font-family: var(--serif); font-size: clamp(19px, 2vw, 27px); line-height: 1.3; letter-spacing: -.025em; }
.edition-meta { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(4, 1fr); margin: 0; border-top: 1px solid var(--hairline); }
.edition-meta > div { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 12px; align-items: baseline; padding: 10px 14px 10px 0; border-right: 1px solid var(--hairline); }
.edition-meta > div:not(:first-child) { padding-left: 14px; }
.edition-meta > div:last-child { border-right: 0; }
.edition-meta dt { color: var(--muted); font-family: var(--mono); font-size: 10px; letter-spacing: .06em; text-transform: uppercase; }
.edition-meta dd { min-width: 0; margin: 0; overflow: hidden; color: var(--ink); font-family: var(--mono); font-size: 10px; font-weight: 700; text-align: right; text-overflow: ellipsis; white-space: nowrap; }
.select { color: inherit; }
.edition-head .select { border-color: var(--hairline); color: var(--ink); }

.poster-progress { position: fixed; z-index: 40; top: 50%; right: 13px; display: grid; grid-template-columns: auto 8px; gap: 8px; align-items: center; height: 112px; transform: translateY(-50%); pointer-events: none; }
.poster-progress__label { color: var(--muted); font-family: var(--mono); font-size: 9px; letter-spacing: .16em; text-orientation: mixed; writing-mode: vertical-rl; }
.poster-progress__track { position: relative; width: 1px; height: 104px; background: var(--hairline); }
.poster-progress__dot { position: absolute; top: 0; left: -3px; width: 7px; height: 7px; border: 1px solid var(--ink); border-radius: 50%; background: var(--paper); transition: transform 100ms linear; will-change: transform; }

/* ── 时间刻度条 ──────────────────────────────────────────
   原版问题：2px 粗轴 + 4px 实心块 + 8px 菱形，视觉噪点过多；
   legend 与刻度标签共用同一样式，毫无层次。
   新版：1px 细轴、2px 陶土激活段、5px 圆点标记"现在"，
   legend 分为标题(ink)与状态(mono muted)两层。 */
.time-ruler { padding: 24px 0 12px; border-bottom: 1px solid var(--hairline); }
.time-ruler__legend { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; margin-bottom: 18px; }
.time-ruler__legend > :first-child { color: var(--ink); font-size: 10px; font-weight: 700; letter-spacing: .15em; }
.time-ruler__legend > :last-child { color: var(--muted); font-family: var(--mono); font-size: 10px; letter-spacing: .04em; white-space: nowrap; }
.time-ruler__track { position: relative; height: 1px; margin-bottom: 10px; background: var(--hairline); }
.time-ruler__labels { display: flex; justify-content: space-between; color: var(--faint); font-family: var(--mono); font-size: 9.5px; letter-spacing: .06em; }
.time-ruler__active { position: absolute; z-index: 1; top: -1px; height: 3px; left: var(--window-start, 0%); width: var(--window-width, 0%); min-width: 2px; background: var(--signal); }
/* "现在"：细竖线 + 小圆点，比原来的菱形克制得多 */
.time-ruler__active::after { content: ""; position: absolute; right: -1px; top: 50%; width: 5px; height: 5px; border-radius: 50%; background: var(--signal); transform: translateY(-50%); }
/* 生命周期轴没有时间含义：整条作为分布带，不再假装"当前窗口" */
.time-ruler[data-ruler="stages"] .time-ruler__active { background: var(--wash); }
.time-ruler[data-ruler="stages"] .time-ruler__active::after { display: none; }

.section-heading { display: flex; justify-content: space-between; align-items: baseline; gap: 20px; margin: 34px 0 0; padding: 0 0 10px; border-bottom: 2px solid var(--ink); }
.section-heading h2 { margin: 0; font-size: 11px; letter-spacing: .16em; text-transform: uppercase; }
.section-heading p { margin: 0; color: var(--muted); font-family: var(--mono); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }

.briefing-layout { display: grid; grid-template-columns: minmax(0, 1fr) 238px; gap: 48px; align-items: start; }
.window { position: relative; padding: 30px 0 36px 42px; border-bottom: 1px solid var(--hairline); }
.window::before { content: ""; position: absolute; top: 0; bottom: 0; left: 9px; width: 1px; background: var(--hairline); }
.window::after { content: ""; position: absolute; top: 35px; left: 5px; width: 9px; height: 9px; background: var(--signal-ink); transform: rotate(45deg); }
.window__meta { display: flex; gap: 16px; align-items: baseline; margin-bottom: 10px; color: var(--muted); font-family: var(--mono); font-size: 10px; }
.window__number { color: var(--signal-ink); font-weight: 700; letter-spacing: .08em; }
.window__headline { max-width: 34ch; margin: 0 0 9px; font-family: var(--serif); font-size: 21px; font-weight: 700; line-height: 1.22; letter-spacing: -.025em; }
.window__overview { max-width: 72ch; margin: 0 0 16px; color: var(--muted); font-size: 12px; line-height: 1.75; }
.briefing-facts { display: grid; grid-template-columns: repeat(3, 1fr); margin: 18px 0; border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); }
.briefing-facts span { padding: 8px 10px 8px 0; color: var(--muted); font-family: var(--mono); font-size: 10px; }
.window__signal-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 28px; }
.signal { padding: 16px 10px; border-top: 1px solid var(--hairline); color: var(--ink); }
.signal__index { color: var(--signal-ink); font-family: var(--mono); font-size: 10px; }
.signal h4 { margin: 6px 0 5px; font-family: var(--serif); font-size: 16px; font-weight: 700; line-height: 1.3; }
.signal p { margin: 0 0 7px; color: var(--muted); font-size: 13px; line-height: 1.65; }
.signal__why { padding-left: 10px; border-left: 2px solid var(--signal-ink); }
.signal__sources { display: flex; flex-wrap: wrap; gap: 6px 12px; }
.signal__sources a { border-bottom: 1px solid var(--hairline); color: var(--muted); font-family: var(--mono); font-size: 10px; }
.signal__sources a:hover { border-color: var(--signal-ink); color: var(--signal-ink); }
.window__group-title { margin: 20px 0 8px; color: var(--muted); font-family: var(--mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; }
.brief-timeline { min-width: 0; }
.brief-index { position: sticky; top: 82px; margin-top: 34px; border-top: 2px solid var(--ink); }
.brief-index h3 { margin: 0; padding: 10px 0; border-bottom: 1px solid var(--hairline); font-family: var(--mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; }
.archive-list { max-height: 64vh; margin: 0; padding: 0; overflow: auto; list-style: none; }
.archive-list a { display: grid; gap: 2px; padding: 11px 0; border-bottom: 1px solid var(--hairline); }
.archive-list a:hover { background: var(--ink); color: var(--paper); }
.archive-list a:hover time { color: var(--signal-soft); }
.archive-list time { font-family: var(--mono); font-size: 10px; }
.archive-list span { overflow: hidden; color: var(--muted); font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }

.feed-list, .rank-list { display: block; }
.feed-item { display: grid; grid-template-columns: 84px minmax(0, 1fr) 180px; gap: 22px; align-items: start; padding: 19px 10px; border-bottom: 1px solid var(--hairline); color: var(--ink); }
.feed-item__body { min-width: 0; }
.feed-item__meta { display: grid; gap: 5px; color: var(--muted); font-family: var(--mono); font-size: 10px; }
.feed-item__meta strong { color: var(--signal-ink); font-size: 10px; }
.feed-item__meta span { width: fit-content; padding-top: 3px; border-top: 1px solid var(--hairline); }
.feed-item__title { margin: 0; font-family: var(--serif); font-size: 17px; font-weight: 700; line-height: 1.3; letter-spacing: -.01em; }
.feed-item__title a:hover { color: var(--signal-ink); }
.feed-item__original { margin: 4px 0 0; color: var(--faint); font-family: var(--mono); font-size: 10px; }
.feed-item__summary { display: -webkit-box; max-width: 40em; margin: 8px 0 0; overflow: hidden; color: var(--muted); font-size: 13px; line-height: 1.7; -webkit-box-orient: vertical; -webkit-line-clamp: 3; }
.feed-item__source { padding-left: 13px; border-left: 1px solid var(--hairline); }
.feed-item__source p { margin: 3px 0 0; overflow: hidden; color: var(--muted); font-size: 10px; text-overflow: ellipsis; }
.feed-item__image { display: block; width: 100%; max-height: 105px; margin-top: 9px; border: 1px solid var(--hairline); filter: grayscale(1) contrast(1.08); object-fit: cover; transition: filter 180ms linear; }

.rank-list { counter-reset: ranking; }
.rank-item { display: grid; grid-template-columns: 46px minmax(0, 1fr) 180px; gap: 20px; padding: 20px 10px; border-bottom: 1px solid var(--hairline); color: var(--ink); counter-increment: ranking; }
.rank-item__number::before { content: counter(ranking, decimal-leading-zero); color: var(--signal-ink); font-family: var(--mono); font-size: 10px; }
.rank-item h3 { margin: 0; font-family: var(--serif); font-size: 17px; font-weight: 700; line-height: 1.3; overflow-wrap: anywhere; }
.rank-item h3 a:hover { color: var(--signal-ink); }
.rank-item__description { max-width: 66ch; margin: 6px 0 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
.rank-item__context, .rank-item__actions, .tags, .rank-item__metrics { display: flex; flex-wrap: wrap; gap: 5px 12px; margin-top: 9px; }
.rank-item__context { color: var(--muted); font-family: var(--mono); font-size: 10px; }
.rank-action { padding-bottom: 1px; border-bottom: 1px solid var(--hairline); font-family: var(--mono); font-size: 10px; font-weight: 700; }
.rank-action:hover, .rank-action--primary { border-color: var(--signal-ink); color: var(--signal-ink); }
.metric { min-width: 66px; padding-left: 10px; border-left: 1px solid var(--hairline); }
.metric strong { display: block; font-family: var(--mono); font-size: 11px; }
.metric span { color: var(--muted); font-family: var(--mono); font-size: 9px; letter-spacing: .08em; text-transform: uppercase; }
.tag { padding: 2px 5px; border: 1px solid var(--hairline); border-radius: 0; color: var(--muted); font-family: var(--mono); font-size: 9px; letter-spacing: .04em; white-space: nowrap; }
.tag--official, .tag--featured { border-color: var(--signal-ink); color: var(--signal-ink); }
.tag--verified { border-color: var(--ink); color: var(--ink); }

.poster-row { opacity: 0; transform: translate3d(0, 24px, 0); transition: opacity 420ms ease, transform 540ms cubic-bezier(.18,.78,.22,1), background-color 160ms linear, color 160ms linear; }
.poster-row.is-visible { opacity: 1; transform: translate3d(0, 0, 0); }
.poster-row:hover { background: transparent; color: inherit; }

.plugin-filters, .toolbar { display: flex; flex-wrap: wrap; gap: 7px; align-items: center; margin: 16px 0 0; padding: 0 0 12px; border-bottom: 1px solid var(--hairline); }
.plugin-filters__cats { display: flex; flex-wrap: wrap; gap: 6px; }
.cat-tab, .health-filter, .skill-tab, .button, .copy-btn { min-height: 30px; padding: 5px 10px; border: 1px solid var(--ink); border-radius: 0; background: transparent; color: var(--ink); cursor: pointer; font-family: var(--mono); font-size: 10px; font-weight: 700; letter-spacing: .05em; }
.cat-tab:hover, .health-filter:hover, .skill-tab:hover, .button:hover, .copy-btn:hover,
.cat-tab.is-active, .health-filter[aria-pressed="true"], .skill-tab[aria-pressed="true"], .skill-tab.is-active { background: var(--ink); color: var(--paper); }
.plugin-filters select, .plugin-filters input, .select { min-height: 30px; padding: 5px 8px; border: 0; border-bottom: 1px solid currentColor; border-radius: 0; background: transparent; color: var(--ink); font-family: var(--mono); font-size: 11px; outline: 0; }
.plugin-filters input { flex: 1 1 150px; }
.plugin-item__body { min-width: 0; overflow: hidden; }
.plugin-install { display: flex; align-items: stretch; width: 100%; min-width: 0; max-width: 560px; margin-top: 10px; }
.plugin-install__code { flex: 1; min-width: 0; max-width: 100%; overflow-x: auto; padding: 7px 9px; border: 1px solid var(--hairline); border-right: 0; background: var(--wash); font-family: var(--mono); font-size: 10px; white-space: nowrap; }
.copy-btn { flex: none; background: var(--ink); color: var(--paper); }
.plugin-guide { max-width: 760px; }
.plugin-guide li { margin: 7px 0; color: var(--muted); font-size: 11px; line-height: 1.7; }
.plugin-guide code { padding-bottom: 1px; border-bottom: 1px solid var(--hairline); font-family: var(--mono); font-size: 9px; }

.health-summary { display: grid; grid-template-columns: repeat(5, 1fr); margin: 20px 0 0; border-top: 2px solid var(--ink); border-bottom: 1px solid var(--ink); }
.health-stat { padding: 13px 10px 13px 0; border-right: 1px solid var(--hairline); }
.health-stat:last-child { border-right: 0; }
.health-stat strong { display: block; font-family: var(--mono); font-size: 14px; }
.health-stat span { color: var(--muted); font-family: var(--mono); font-size: 10px; letter-spacing: .06em; }
.health-ledger { margin-top: 4px; }
.health-feed { display: grid; grid-template-columns: 58px minmax(0, 1fr) 105px 105px; gap: 16px; align-items: center; padding: 12px 10px; border-bottom: 1px solid var(--hairline); color: var(--ink); }
.health-feed h3 { margin: 0; font-family: var(--serif); font-size: 16px; font-weight: 700; line-height: 1.3; }
.health-feed p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.health-feed__metric, .health-feed__state { color: var(--muted); font-family: var(--mono); font-size: 10px; text-align: right; }
.health-feed__metric strong { display: block; color: var(--ink); font-size: 10px; }
.health-st-healthy { color: var(--healthy); }
.health-st-warning { color: var(--warning); }
.health-st-error { color: var(--danger); }
.health-st-quiet { color: var(--muted); }

.loading, .empty-state, .error-state { padding: 24px 0; color: var(--muted); font-family: var(--mono); font-size: 9px; }
.error-state { color: var(--danger); }
.load-more { display: flex; justify-content: center; width: 100%; margin: 16px 0; }
.site-footer { display: flex; justify-content: space-between; gap: 20px; margin-top: 52px; padding: 18px 10px; border-top: 1px solid var(--hairline); background: var(--surface); color: var(--muted); font-family: var(--mono); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }

@keyframes status-pulse { 50% { opacity: .25; } }

@media (max-width: 920px) {
  .site-state { display: none; }
  .page-intro { grid-template-columns: 1fr; gap: 28px; }
  .edition-head { grid-template-columns: minmax(220px, .72fr) minmax(0, 1.28fr); }
  .briefing-layout { grid-template-columns: minmax(0, 1fr) 210px; gap: 28px; }
  .feed-item { grid-template-columns: 70px minmax(0, 1fr); }
  .feed-item__source { grid-column: 2; padding: 0; border: 0; }
}

@media (max-width: 680px) {
  .page-shell, .site-header__inner { width: min(calc(100% - 28px), var(--page)); }
  .site-header__inner { min-height: 54px; flex-wrap: wrap; gap: 0; padding: 9px 0 0; }
  .brand { height: 34px; }
  .site-nav { order: 2; width: 100%; margin: 0; gap: 18px; overflow-x: auto; }
  .site-nav a { min-height: 34px; flex: none; font-size: 9px; }
  .page-intro { min-height: 300px; padding: 34px 0 32px; }
  .page-title { max-width: none; font-size: 28px; }
    .poster-progress { display: none; }
  .edition-head { display: block; min-height: 0; padding-top: 24px; }
  .edition-head__title { padding: 22px 0; border-right: 0; border-bottom: 1px solid var(--hairline); }
  .edition-head__thesis { grid-template-columns: 70px minmax(0, 1fr); padding: 22px 0; }
  .edition-head__thesis p { font-size: 20px; }
  .edition-meta { grid-template-columns: repeat(2, 1fr); }
  .edition-meta > div:nth-child(even) { border-right: 0; }
  .edition-meta > div:nth-child(3), .edition-meta > div:nth-child(4) { border-top: 1px solid var(--hairline); }
  .instrument-panel { grid-template-columns: 1fr; }
  .instrument-row:nth-child(n) { padding: 8px 0; border-left: 0; }
  .briefing-layout { display: block; }
  .brief-index { position: static; margin-top: 24px; }
  .window { padding-left: 30px; }
  .window::before { left: 5px; }
  .window::after { left: 1px; }
  .window__signal-grid { grid-template-columns: 1fr; }
  .feed-item, .rank-item { grid-template-columns: 42px minmax(0, 1fr); gap: 12px; padding-right: 4px; padding-left: 4px; }
  .feed-item__source, .rank-item__metrics { grid-column: 2; }
  .rank-item__metrics { margin-top: 0; }
  .health-summary { grid-template-columns: repeat(2, 1fr); }
  .health-stat { border-bottom: 1px solid var(--hairline); }
  .health-feed { grid-template-columns: 62px minmax(0, 1fr); padding-right: 4px; padding-left: 4px; }
  .health-feed__metric { grid-column: 2; text-align: left; }
  .site-footer { display: grid; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  .poster-row { opacity: 1; transform: none; }
  .poster-glyph { opacity: 1; transform: none !important; }
}

/* ── 当前热点榜(事件 × 独立信源数) ─────────────── */
.hot-list { list-style: none; counter-reset: hotrank; margin: 12px 0 0; border-top: 1px solid var(--hairline); }
.hot-item { padding: 12px 0; border-bottom: 1px solid var(--hairline); }
.hot-item__head { display: grid; grid-template-columns: 40px minmax(0, 1fr) 64px; gap: 12px; align-items: baseline; }
.hot-item__rank { font-family: var(--mono); font-size: 13px; font-weight: 700; color: var(--signal-ink); }
.hot-item__title { margin: 0; font-size: 14px; font-weight: 700; line-height: 1.45; }
.hot-item__title a:hover { color: var(--signal-ink); }
.hot-item__count { font-family: var(--mono); font-size: 12px; font-weight: 700; text-align: right; white-space: nowrap; }
.hot-item__meta { display: flex; gap: 10px; align-items: baseline; margin: 5px 0 0 52px; }
.hot-item__trend { font-family: var(--mono); font-size: 10px; font-weight: 700; padding: 1px 6px; border: 1px solid var(--ink); }
.hot-item--new .hot-item__trend { color: #fff; background: var(--signal-ink); border-color: var(--signal-ink); }
.hot-item--rising .hot-item__trend { color: var(--signal-ink); border-color: var(--signal-ink); }
.hot-item__note { font-size: 12px; color: var(--muted); line-height: 1.6; }
.hot-item__feeds { margin: 4px 0 0 52px; font-family: var(--mono); font-size: 10px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
@media (max-width: 640px) { .hot-item__meta, .hot-item__feeds { margin-left: 0; } .hot-item__head { grid-template-columns: 32px minmax(0, 1fr) 52px; } }

/* ── 公开信源页 ───────────────────────────────── */
.source-group { margin: 14px 0 22px; }
.source-group__head { display: flex; justify-content: space-between; align-items: baseline; border-bottom: 2px solid var(--ink); padding-bottom: 6px; }
.source-group__name { margin: 0; font-size: 12px; letter-spacing: .14em; text-transform: uppercase; }
.source-group__count { font-family: var(--mono); font-size: 10px; color: var(--muted); }
.source-grid { list-style: none; display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 6px; margin: 10px 0 0; }
.source-chip { display: flex; align-items: center; gap: 6px; border: 1px solid var(--hairline); background: var(--surface); padding: 6px 10px; }
.source-chip--t1 { border-left: 3px solid var(--signal-ink); }
.source-chip__name { font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; min-width: 0; }
.source-chip__tier { font-family: var(--mono); font-size: 9px; font-weight: 700; color: #fff; background: var(--signal-ink); padding: 1px 5px; flex-shrink: 0; }
.source-chip__link { font-size: 11px; color: var(--muted); flex-shrink: 0; }
.source-chip__link:hover { color: var(--signal-ink); }

/* 健康页 tier 徽章 */
.health-tier-badge { font-family: var(--mono); font-size: 9px; font-weight: 700; color: #fff; background: var(--signal-ink); padding: 1px 5px; margin-left: 6px; vertical-align: middle; }

/* ── 信息流筛选/搜索/评分 ─────────────────────── */
.stream-filters { margin: 10px 0 4px; }
.feed-item__score { font-family: var(--mono); font-size: 10px; font-weight: 700; padding: 1px 5px; margin-top: 3px; align-self: flex-start; color: var(--muted); background: var(--paper); border: 1px solid var(--hairline); }
.feed-item__score.mid { color: var(--ink); border-color: var(--ink); }
.feed-item__score.hi { color: #fff; background: var(--signal-ink); border-color: var(--signal-ink); }
.cat-tab--fp { color: var(--signal-ink); border-color: var(--signal-ink); }
.cat-tab--fp.is-active { background: var(--signal-ink); color: #fff; border-color: var(--signal-ink); }