.page-news {
  --news-col: 210px;
  --news-gap: 38px;
  color: var(--text);
  font-family: var(--font-sans);
  background: var(--ink-bg);
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumbs {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 22px var(--pad) 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  background: var(--ink-bg);
}

.page-news .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-news .breadcrumbs a:hover,
.page-news .breadcrumbs a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-news .breadcrumbs [aria-current="page"] {
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  isolation: isolate;
  background: var(--deep);
  border-bottom: 1px solid var(--line);
}

.page-news .news-hero-media {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-news .news-hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.36;
}

.page-news .news-hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 92% at 84% 10%, rgba(56, 225, 200, 0.2), transparent 58%),
    linear-gradient(180deg, rgba(11, 31, 26, 0.5) 0%, rgba(11, 31, 26, 0.93) 70%, var(--ink-bg) 100%);
}

.page-news .news-hero-body {
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(64px, 11vw, 118px) var(--pad) clamp(44px, 6vw, 68px);
}

.page-news .news-kicker {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-news .news-h1 {
  margin: 0 0 22px;
  max-width: 17em;
  font-size: clamp(30px, 5.4vw, 54px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-news .news-lede {
  margin: 0 0 34px;
  max-width: 44em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--muted);
}

.page-news .news-stats {
  list-style: none;
  margin: 0;
  padding: 22px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 36px;
  border-top: 1px solid var(--line);
}

.page-news .news-stats li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 12.5px;
  color: var(--muted);
}

.page-news .news-stats b {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
}

/* ---------- 章节骨架 ---------- */
.page-news .news-section {
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(46px, 6.5vw, 84px) var(--pad);
  border-top: 1px solid var(--line);
}

.page-news .news-section:first-of-type {
  border-top: 0;
}

.page-news .section-lede {
  margin: 0 0 30px;
  max-width: 46em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 01 本期看点 ---------- */
.page-news .spotlight-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
}

.page-news .spotlight-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 22px 24px;
  background: var(--ink-card);
  border: 1px solid var(--line);
  border-radius: 3px;
  transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}

.page-news .spotlight-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 18px;
  width: 46px;
  height: 3px;
  background: var(--cyan);
}

.page-news .spotlight-card:hover {
  transform: translateY(-4px);
  border-color: var(--cyan);
  background: var(--ink-lift);
}

.page-news .spotlight-card:hover::before {
  background: var(--gold);
}

.page-news .spotlight-title {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.5;
  color: var(--text);
}

.page-news .spotlight-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .spotlight-link {
  margin-top: auto;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-dim);
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-news .spotlight-link:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---------- 标签 ---------- */
.page-news .tag {
  display: inline-block;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  background: rgba(56, 225, 200, 0.06);
}

.page-news .tag-gold {
  color: var(--gold);
  border-left-color: var(--gold);
  background: rgba(233, 185, 73, 0.08);
}

.page-news .tag-violet {
  color: var(--violet);
  border-left-color: var(--violet);
  background: rgba(139, 92, 246, 0.1);
}

/* ---------- 02 条目 + 筛选 ---------- */
.page-news .entry-layout {
  display: grid;
  gap: 26px;
  grid-template-columns: 1fr;
  align-items: start;
}

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .filter-btn {
  appearance: none;
  padding: 9px 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  text-align: left;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 2px;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.page-news .filter-btn:hover {
  color: var(--text);
  border-color: var(--cyan-dim);
}

.page-news .filter-btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-news .filter-btn.is-active {
  color: var(--text);
  border-color: var(--violet);
  background: rgba(139, 92, 246, 0.14);
  box-shadow: 0 0 0 1px rgba(139, 92, 246, 0.5);
}

.page-news .entry-list {
  list-style: none;
  margin: 0;
  padding: 0;
  min-width: 0;
}

.page-news .entry-item {
  border-top: 1px solid var(--line);
  transition: background 0.3s ease;
}

.page-news .entry-item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-news .entry-item:has(.entry[open]) {
  background: linear-gradient(90deg, rgba(56, 225, 200, 0.07), transparent 62%);
}

.page-news .entry-summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 6px 16px;
  align-items: start;
  padding: 20px 4px;
  cursor: pointer;
  list-style: none;
}

.page-news .entry-summary::-webkit-details-marker {
  display: none;
}

.page-news .entry-summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-news .entry-no {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  white-space: nowrap;
}

.page-news .entry-text {
  display: block;
  min-width: 0;
}

.page-news .entry-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-news .entry-when {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--gold);
}

.page-news .entry-title {
  display: block;
  margin: 8px 0 4px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
  transition: color 0.2s ease;
}

.page-news .entry[open] .entry-title {
  color: var(--cyan);
}

.page-news .entry-desc {
  display: block;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .entry-caret {
  width: 9px;
  height: 9px;
  margin-top: 24px;
  border-right: 2px solid var(--cyan-dim);
  border-bottom: 2px solid var(--cyan-dim);
  transform: rotate(45deg);
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.page-news .entry[open] .entry-caret {
  transform: rotate(-135deg);
  border-color: var(--cyan);
}

.page-news .entry-more {
  margin: 0 4px 22px 4px;
  padding: 2px 8px 2px 18px;
  border-left: 1px solid var(--cyan-dim);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .list-figure {
  margin: 34px 0 0;
}

.page-news .list-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 3px;
}

.page-news .list-figure figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 03 专题系列 ---------- */
.page-news .board-layout {
  display: grid;
  gap: 26px;
  grid-template-columns: 1fr;
  align-items: start;
}

.page-news .board-figure {
  margin: 0;
  position: relative;
}

.page-news .board-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 3px;
}

.page-news .board-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.page-news .board-card {
  background: var(--ink-card);
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  border-radius: 3px;
  transition: border-color 0.3s ease, background 0.3s ease, transform 0.3s ease;
}

.page-news .board-card:hover {
  transform: translateY(-2px);
}

.page-news .board-card[open] {
  border-left-color: var(--cyan);
  background: var(--ink-lift);
}

.page-news .board-summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

.page-news .board-summary::-webkit-details-marker {
  display: none;
}

.page-news .board-summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-news .board-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-news .board-name {
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

.page-news .board-caret {
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--cyan-dim);
  border-bottom: 2px solid var(--cyan-dim);
  transform: rotate(45deg);
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.page-news .board-card[open] .board-caret {
  transform: rotate(-135deg);
  border-color: var(--cyan);
}

.page-news .board-body {
  padding: 4px 18px 20px;
  border-top: 1px solid var(--line);
}

.page-news .board-row {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .board-key {
  display: inline-block;
  margin-right: 10px;
  padding: 1px 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--gold);
  border: 1px solid var(--line);
  background: rgba(233, 185, 73, 0.07);
}

.page-news .board-row a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-dim);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-news .board-row a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---------- 04 更新节奏 ---------- */
.page-news .cadence-layout {
  display: grid;
  gap: 30px;
  grid-template-columns: 1fr;
}

.page-news .cadence-track {
  list-style: none;
  margin: 0;
  padding: 0 0 0 22px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.page-news .cadence-track::before {
  content: "";
  position: absolute;
  top: 4px;
  bottom: 4px;
  left: 5px;
  width: 1px;
  background: var(--line);
}

.page-news .cadence-node {
  position: relative;
  padding-left: 4px;
}

.page-news .cadence-node::before {
  content: "";
  position: absolute;
  top: 7px;
  left: -21px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink-bg);
  border: 2px solid var(--cyan-dim);
}

.page-news .cadence-node:nth-child(2n)::before {
  border-color: var(--gold);
}

.page-news .cadence-node:nth-child(3n)::before {
  border-color: var(--violet);
}

.page-news .cadence-cycle {
  display: inline-block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-news .cadence-name {
  margin: 0 0 6px;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

.page-news .cadence-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .cadence-figure {
  margin: 0;
}

.page-news .cadence-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 3px;
}

.page-news .cadence-figure figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 05 订阅与反馈 ---------- */
.page-news .reach-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
}

.page-news .reach-card {
  padding: 26px 22px;
  background: var(--ink-card);
  border: 1px solid var(--line);
  border-radius: 3px;
  position: relative;
}

.page-news .reach-card:first-child {
  border-top: 3px solid var(--cyan);
}

.page-news .reach-card:last-child {
  border-top: 3px solid var(--gold);
}

.page-news .reach-title {
  margin: 0 0 12px;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.5;
  color: var(--text);
}

.page-news .reach-text {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .reach-text:last-child {
  margin-bottom: 0;
}

.page-news .reach-mail {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--gold);
  word-break: break-all;
}

.page-news .reach-links a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-dim);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-news .reach-links a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .spotlight-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .reach-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .cadence-layout {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-news .spotlight-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .spotlight-grid > :nth-child(2) {
    margin-top: 30px;
  }

  .page-news .spotlight-grid > :nth-child(3) {
    margin-top: 12px;
  }

  .page-news .entry-layout {
    grid-template-columns: var(--news-col) minmax(0, 1fr);
    gap: var(--news-gap);
  }

  .page-news .filter-bar {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: stretch;
    padding-left: 16px;
    border-left: 1px solid var(--line);
  }

  .page-news .filter-btn {
    text-align: left;
  }

  .page-news .board-layout {
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
    gap: 34px;
  }

  .page-news .board-figure {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
}

@media (min-width: 1080px) {
  .page-news .board-layout {
    grid-template-columns: minmax(0, 360px) minmax(0, 1fr);
  }
}

@media (max-width: 480px) {
  .page-news .entry-summary {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .page-news .entry-no {
    grid-column: 1 / -1;
    padding-top: 0;
  }

  .page-news .entry-caret {
    align-self: center;
    margin-top: 0;
  }

  .page-news .news-stats b {
    font-size: 19px;
  }
}
