/* ===== page-news · 看台观察 ===== */
.page-news {
  --obs-rail: 232px;
  --obs-hover: #0F2E26;
  --obs-ink-soft: #2A4A42;
  --obs-rule: rgba(6, 26, 22, .16);
  --obs-rule-soft: rgba(6, 26, 22, .12);
  background: var(--ink);
  color: var(--text);
  padding-bottom: clamp(56px, 8vw, 104px);
}

/* ---------- 首屏 ---------- */
.page-news .obs-hero {
  padding-top: clamp(36px, 6vw, 88px);
  padding-bottom: clamp(30px, 4.5vw, 62px);
  border-bottom: var(--line);
}
.page-news .obs-hero .breadcrumb {
  margin-bottom: clamp(26px, 4vw, 50px);
}
.page-news .eyebrow {
  display: block;
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--cyan);
}
.page-news h1 {
  margin: 18px 0 0;
  max-width: 15em;
  font-size: clamp(32px, 6.4vw, 78px);
  line-height: .96;
  letter-spacing: -.02em;
  font-weight: 900;
  color: var(--paper);
}
.page-news .obs-lede {
  margin: clamp(20px, 3vw, 32px) 0 0;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
}
.page-news .obs-kpi {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(16px, 4vw, 64px);
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding-top: clamp(18px, 2.4vw, 28px);
  border-top: var(--line);
}
.page-news .obs-kpi > div {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}
.page-news .obs-kpi dt {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}
.page-news .obs-kpi dd {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(20px, 2.2vw, 26px);
  font-weight: 700;
  letter-spacing: -.01em;
  font-variant-numeric: tabular-nums;
  color: var(--amber);
}

/* ---------- 本期导览 ---------- */
.page-news .obs-brief {
  padding-top: clamp(42px, 6vw, 88px);
  padding-bottom: clamp(26px, 3.5vw, 48px);
}
.page-news .obs-brief-head {
  margin-bottom: clamp(22px, 3vw, 40px);
}
.page-news .obs-brief-head .idx,
.page-news .obs-cadence-head .idx {
  display: block;
  margin-bottom: 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan);
}
.page-news .obs-brief-head h2,
.page-news .obs-cadence-head h2 {
  margin: 0;
  font-size: clamp(26px, 3.4vw, 44px);
  line-height: 1.1;
  letter-spacing: -.01em;
  font-weight: 900;
  color: var(--paper);
}
.page-news .obs-brief-head p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}
.page-news .obs-toc {
  padding: clamp(20px, 3vw, 38px);
  background: var(--paper);
  color: var(--ink);
}
.page-news .obs-toc-top {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: .14em;
  font-weight: 700;
  color: var(--amber-deep);
}
.page-news .obs-toc-top .num {
  font-family: var(--mono);
  letter-spacing: 0;
}
.page-news .obs-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-news .obs-toc-list li + li {
  border-top: 1px solid var(--obs-rule-soft);
}
.page-news .obs-toc-list a {
  display: grid;
  grid-template-columns: 46px 118px minmax(0, 1fr);
  grid-template-areas: "no name title";
  gap: 12px;
  align-items: baseline;
  padding: 14px 10px;
  text-decoration: none;
  color: inherit;
  transition: background-color .18s var(--ease);
}
.page-news .obs-toc-list a:hover {
  background: rgba(53, 242, 201, .3);
}
.page-news .obs-toc-list a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}
.page-news .obs-toc-no {
  grid-area: no;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--amber-deep);
}
.page-news .obs-toc-name {
  grid-area: name;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--amber-deep);
}
.page-news .obs-toc-title {
  grid-area: title;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink);
  overflow-wrap: break-word;
}

/* ---------- 图片 ---------- */
.page-news .obs-band {
  margin: clamp(6px, 2vw, 22px) auto clamp(36px, 6vw, 78px);
}
.page-news .obs-band img,
.page-news .series-fig img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--line);
  background: linear-gradient(160deg, #0A211C 0%, #061A16 100%);
}
.page-news .obs-band figcaption,
.page-news .series-fig figcaption {
  margin-top: 10px;
  padding-top: 8px;
  border-top: var(--line);
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.65;
  color: var(--muted);
}
.page-news .series-fig {
  margin: 0;
}

/* ---------- 系列筛选 ---------- */
.page-news .obs-filter {
  position: relative;
}
.page-news .filter-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  padding: 0;
  opacity: 0;
  pointer-events: none;
}
.page-news .obs-filter-bar {
  position: sticky;
  top: 0;
  z-index: 7;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: 14px;
  padding-bottom: 14px;
  background: rgba(6, 26, 22, .95);
  border-bottom: var(--line);
}
.page-news .obs-filter-label {
  margin-right: 6px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--muted);
}
.page-news .chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 15px;
  border: 1px solid var(--grid);
  border-radius: 999px;
  font-size: 13px;
  line-height: 1.4;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
  transition: color .18s var(--ease), border-color .18s var(--ease), background-color .18s var(--ease);
}
.page-news .chip:hover {
  color: var(--mist);
  border-color: var(--cyan);
}
.page-news #f-all:focus-visible ~ .obs-filter-bar .chip[for="f-all"],
.page-news #f-preview:focus-visible ~ .obs-filter-bar .chip[for="f-preview"],
.page-news #f-tactics:focus-visible ~ .obs-filter-bar .chip[for="f-tactics"],
.page-news #f-lineup:focus-visible ~ .obs-filter-bar .chip[for="f-lineup"],
.page-news #f-review:focus-visible ~ .obs-filter-bar .chip[for="f-review"] {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}
.page-news:has(#f-all:checked) .chip[for="f-all"],
.page-news:has(#f-preview:checked) .chip[for="f-preview"],
.page-news:has(#f-tactics:checked) .chip[for="f-tactics"],
.page-news:has(#f-lineup:checked) .chip[for="f-lineup"],
.page-news:has(#f-review:checked) .chip[for="f-review"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
  font-weight: 700;
}
.page-news:has(#f-preview:checked) .series:not(.series--preview),
.page-news:has(#f-tactics:checked) .series:not(.series--tactics),
.page-news:has(#f-lineup:checked) .series:not(.series--lineup),
.page-news:has(#f-review:checked) .series:not(.series--review) {
  display: none;
}
.page-news .obs-filter + .series {
  border-top: 0;
}

/* ---------- 系列区块 ---------- */
.page-news .series {
  display: grid;
  grid-template-columns: var(--obs-rail) minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 56px);
  align-items: start;
  padding-top: clamp(42px, 6vw, 88px);
  padding-bottom: clamp(42px, 6vw, 88px);
  border-top: var(--line);
}
.page-news .series-rail {
  position: sticky;
  top: 76px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}
.page-news .series-rail .idx {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan);
}
.page-news .series-rail h2 {
  margin: 0;
  font-size: clamp(22px, 2.6vw, 34px);
  line-height: 1.15;
  letter-spacing: -.01em;
  font-weight: 900;
  color: var(--paper);
}
.page-news .series-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}
.page-news .series-body {
  display: grid;
  gap: clamp(16px, 2.2vw, 26px);
  min-width: 0;
}

/* ---------- 条目 ---------- */
.page-news .entry {
  position: relative;
  padding: clamp(18px, 2vw, 26px) clamp(16px, 2vw, 26px);
  background: var(--den);
  border: 1px solid var(--grid);
  transition: transform .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}
.page-news .entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 2px;
  background: var(--cyan);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform .22s var(--ease);
}
.page-news .entry:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
  background: var(--obs-hover);
}
.page-news .entry:hover::before {
  transform: scaleY(1);
}
.page-news .entry-title {
  margin: 0;
  font-size: clamp(17px, 1.8vw, 21px);
  line-height: 1.45;
  font-weight: 800;
  letter-spacing: -.005em;
  color: var(--paper);
  overflow-wrap: break-word;
}
.page-news .entry-sum {
  margin: 10px 0 0;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text);
  overflow-wrap: break-word;
}
.page-news .entry-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  margin: 15px 0 0;
  font-size: 12px;
  color: var(--muted);
}
.page-news .entry-meta .num {
  font-family: var(--mono);
  letter-spacing: .02em;
}

/* ---------- 更新节奏 ---------- */
.page-news .obs-cadence {
  padding-top: clamp(44px, 6.5vw, 96px);
  padding-bottom: clamp(16px, 3vw, 36px);
  border-top: var(--line);
}
.page-news .obs-cadence-head {
  margin-bottom: clamp(24px, 3.4vw, 44px);
}
.page-news .obs-cadence-head p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}
.page-news .obs-cadence-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(18px, 2.4vw, 28px);
}
.page-news .obs-note {
  padding: clamp(20px, 2.6vw, 32px);
  background: var(--den);
  border: 1px solid var(--grid);
  min-width: 0;
}
.page-news .obs-note h3 {
  margin: 0 0 16px;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -.005em;
  color: var(--paper);
}
.page-news .obs-note--paper {
  background: var(--paper);
  border-color: var(--paper);
  color: var(--obs-ink-soft);
}
.page-news .obs-note--paper h3 {
  color: var(--ink);
}
.page-news .obs-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}
.page-news .obs-list li {
  padding: 12px 0;
  border-top: 1px solid var(--grid);
  font-size: 14px;
  line-height: 1.8;
  color: var(--text);
}
.page-news .obs-list li:first-child {
  border-top: 0;
  padding-top: 0;
}
.page-news .obs-list li:last-child {
  padding-bottom: 0;
}
.page-news .obs-list b {
  font-family: var(--mono);
  font-weight: 700;
  color: var(--amber);
}
.page-news .obs-list .num {
  font-family: var(--mono);
}
.page-news .obs-note--paper .obs-list li {
  border-top-color: var(--obs-rule);
  color: var(--obs-ink-soft);
}
.page-news .obs-note--paper .obs-list b {
  color: var(--amber-deep);
}
.page-news .obs-note--paper a {
  color: var(--amber-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-news .obs-note--paper a:hover {
  color: #6E4708;
}
.page-news .obs-note-foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--obs-rule);
  font-size: 13px;
  line-height: 1.8;
  color: var(--obs-ink-soft);
}
.page-news .obs-note-foot a {
  color: var(--amber-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .page-news .series {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-news .series-rail {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 8px 16px;
  }
  .page-news .series-desc {
    flex: 1 1 100%;
    max-width: 42em;
  }
}

@media (max-width: 620px) {
  .page-news .obs-kpi {
    gap: 16px 28px;
  }
  .page-news .obs-kpi > div {
    flex: 1 1 40%;
  }
  .page-news .obs-toc-list a {
    grid-template-columns: 34px minmax(0, 1fr);
    grid-template-areas:
      "no name"
      "no title";
    row-gap: 6px;
    column-gap: 10px;
  }
  .page-news .obs-toc-title {
    font-size: 15px;
  }
  .page-news .obs-filter-label {
    flex: 1 1 100%;
    margin: 0 0 2px;
  }
  .page-news .obs-filter-bar {
    gap: 6px;
    padding-top: 10px;
    padding-bottom: 10px;
  }
  .page-news .entry {
    padding: 18px 16px;
  }
  .page-news .entry::before {
    top: 12px;
    bottom: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .entry,
  .page-news .entry::before,
  .page-news .chip,
  .page-news .obs-toc-list a {
    transition: none;
  }
  .page-news .entry:hover {
    transform: none;
  }
  .page-news .entry:hover::before {
    transform: none;
  }
}
<<<END>>>