.page-news {
  --news-ghost: rgba(52, 242, 206, 0.06);
  --news-alert-ghost: rgba(255, 139, 61, 0.08);
  display: block;
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-news .topics-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(152deg, rgba(52, 242, 206, 0.07) 0%, rgba(52, 242, 206, 0) 44%),
    var(--ink-900);
}

.page-news .topics-hero::after {
  content: "";
  position: absolute;
  top: -90px;
  right: -140px;
  width: min(560px, 72vw);
  aspect-ratio: 1;
  background: linear-gradient(205deg, rgba(52, 242, 206, 0.16), rgba(255, 139, 61, 0) 66%);
  clip-path: polygon(100% 0, 100% 100%, 0 0);
  pointer-events: none;
}

.page-news .topics-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 28px;
  padding: 34px 0 44px;
}

.page-news .topics-hero__lead {
  min-width: 0;
}

.page-news .display-hero {
  margin: 14px 0 0;
  font-family: var(--ff-display);
  font-weight: 300;
  font-size: clamp(38px, 8.2vw, 84px);
  line-height: 1.0;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-news .topics-hero__lead .lead {
  margin: 20px 0 0;
  max-width: 60ch;
}

.page-news .hero-stats {
  list-style: none;
  margin: 28px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 20px;
}

.page-news .hero-stats li {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.page-news .hero-stats .num {
  font-family: var(--ff-mono);
  font-size: 26px;
  line-height: 1.1;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-news .hero-stats__key {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-news .topics-hero__fig {
  margin: 0;
  min-width: 0;
}

.page-news .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 索引带 ---------- */
.page-news .index-band-wrap {
  padding-top: 34px;
}

.page-news .index-band {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--ink-800) 0%, var(--ink-900) 100%);
  padding: 22px 20px 26px;
}

.page-news .band-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 10px 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-news .band-head__title {
  margin: 10px 0 0;
  font-family: var(--ff-display);
  font-weight: 300;
  font-size: clamp(22px, 3.4vw, 30px);
  letter-spacing: 0.05em;
  color: var(--paper);
}

.page-news .band-head__note {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-news .filter-row {
  margin-top: 18px;
}

.page-news .filter-row__label {
  margin: 0 0 9px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
  text-transform: uppercase;
}

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

.page-news .seg__btn {
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--ink-800);
  color: var(--muted);
  cursor: pointer;
  transition: color var(--ease), border-color var(--ease), background var(--ease);
  white-space: nowrap;
}

.page-news .seg__btn:hover {
  color: var(--cyan-soft);
  border-color: var(--cyan);
}

.page-news .seg__btn[aria-pressed="true"] {
  background: var(--ink-700);
  border-color: var(--cyan);
  color: var(--cyan);
}

/* ---------- 头条 ---------- */
.page-news .feature-wrap {
  padding-top: 40px;
}

.page-news .feature {
  position: relative;
  display: grid;
  gap: 22px;
  padding: 24px 20px 38px;
  background: linear-gradient(135deg, var(--ink-800) 0%, var(--ink-900) 80%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}

.page-news .feature::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 96px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), rgba(52, 242, 206, 0));
}

.page-news .feature__fig {
  margin: 0;
  min-width: 0;
}

.page-news .feature__body {
  min-width: 0;
}

.page-news .feature__title {
  margin: 12px 0 0;
  font-family: var(--ff-display);
  font-weight: 300;
  font-size: clamp(24px, 4.2vw, 40px);
  line-height: 1.16;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-news .feature__sum {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
  max-width: 56ch;
}

.page-news .feature__meta {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.page-news .feature__time {
  font-family: var(--ff-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ---------- 标签 ---------- */
.page-news .tag {
  display: inline-block;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  padding: 3px 8px;
  border: 1px solid var(--cyan);
  border-radius: 0;
  color: var(--cyan);
  background: var(--news-ghost);
  white-space: nowrap;
}

.page-news .tag--soft {
  border-color: var(--line);
  color: var(--cyan-soft);
  background: transparent;
}

.page-news .tag--warn {
  border-color: var(--orange-deep);
  color: var(--orange);
  background: var(--news-alert-ghost);
}

/* ---------- 条目列表 ---------- */
.page-news .list-section {
  padding-top: 52px;
}

.page-news .list-head {
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.page-news .list-head__note {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 62ch;
}

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

.page-news .entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: 20px 12px 20px 14px;
  border-bottom: 1px solid var(--line);
  border-left: 2px solid transparent;
  transition: background var(--ease), border-left-color var(--ease);
}

.page-news .entry:hover {
  border-left-color: var(--cyan);
  background: linear-gradient(90deg, var(--news-ghost), rgba(52, 242, 206, 0) 54%);
}

.page-news .entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  min-width: 0;
}

.page-news .entry__code {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-news .entry__body {
  min-width: 0;
}

.page-news .entry__title {
  margin: 0;
  font-size: 16.5px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--paper);
}

.page-news .entry__sum {
  margin: 9px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .entry__time {
  margin: 10px 0 0;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-news .list-back {
  margin: 26px 0 0;
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.page-news .list-back a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}

.page-news .list-back a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 连载系列 ---------- */
.page-news .series {
  margin-top: 56px;
  padding-top: 36px;
  border-top: 1px solid var(--line);
}

.page-news .series__grid {
  display: grid;
  gap: 24px;
}

.page-news .series__intro {
  min-width: 0;
}

.page-news .series__intro .prose {
  margin: 16px 0 0;
  max-width: 54ch;
}

.page-news .series__fig {
  margin: 0;
  min-width: 0;
}

.page-news .series__list {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
}

.page-news .series__item {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 12px 18px 0;
  border-top: 1px solid var(--line);
  transition: border-color var(--ease);
}

.page-news .series__item:hover {
  border-top-color: var(--cyan);
}

.page-news .series__no {
  font-family: var(--ff-mono);
  font-size: 22px;
  line-height: 1.1;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-news .series__title {
  margin: 0;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--paper);
}

.page-news .series__desc {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 更新节奏 ---------- */
.page-news .rhythm {
  margin-top: 56px;
  padding-top: 36px;
  border-top: 1px solid var(--line);
}

.page-news .rhythm__grid {
  display: grid;
  gap: 24px;
}

.page-news .rhythm__intro {
  min-width: 0;
}

.page-news .rhythm__intro .prose {
  margin: 16px 0 0;
  max-width: 54ch;
}

.page-news .rhythm__fig {
  margin: 0;
  min-width: 0;
}

.page-news .rhythm__rows {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .rhythm__row {
  display: grid;
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .rhythm__key {
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-news .rhythm__val {
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 回看入口 ---------- */
.page-news .revisit {
  margin-top: 56px;
  padding-bottom: 64px;
}

.page-news .revisit__panel {
  position: relative;
  display: grid;
  gap: 28px;
  padding: 28px 20px 32px;
  background: linear-gradient(200deg, var(--ink-800) 0%, var(--ink-900) 76%);
  clip-path: polygon(30px 0, 100% 0, 100% 100%, 0 100%, 0 30px);
}

.page-news .revisit__panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 30px;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), rgba(255, 139, 61, 0.7));
}

.page-news .revisit__copy {
  min-width: 0;
}

.page-news .revisit__copy p {
  margin: 16px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 52ch;
}

.page-news .revisit__links {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .revisit__notes {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .revisit__notes li {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .revisit__note-key {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-news .revisit__notes a {
  color: var(--paper);
  text-decoration: none;
  font-size: 14.5px;
  border-bottom: 1px solid transparent;
  transition: color var(--ease), border-color var(--ease);
}

.page-news .revisit__notes a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-news .hero-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .index-band {
    padding: 26px 26px 30px;
  }

  .page-news .feature {
    padding: 30px 28px 46px;
  }

  .page-news .entry {
    padding: 22px 18px 22px 18px;
  }

  .page-news .rhythm__row {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }
}

@media (min-width: 768px) {
  .page-news .entry {
    grid-template-columns: 172px minmax(0, 1fr);
    gap: 28px;
    align-items: start;
  }

  .page-news .revisit__notes li {
    grid-template-columns: 120px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 920px) {
  .page-news .topics-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 52px;
    align-items: end;
    padding: 58px 0 74px;
  }

  .page-news .topics-hero__fig {
    transform: translateY(14px);
  }

  .page-news .feature {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: 36px;
    align-items: center;
    padding: 34px 32px 50px;
  }

  .page-news .series__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    gap: 44px;
    align-items: end;
  }

  .page-news .rhythm__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 44px;
    align-items: end;
  }

  .page-news .revisit__panel {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 48px;
    padding: 36px 34px 40px;
  }

  .page-news .revisit__notes {
    border-top: 0;
    padding-top: 4px;
  }
}

@media (min-width: 1180px) {
  .page-news .feature {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }

  .page-news .entry__title {
    font-size: 17.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .entry,
  .page-news .seg__btn,
  .page-news .series__item,
  .page-news .revisit__notes a {
    transition: none;
  }

  .page-news .topics-hero__fig {
    transform: none;
  }
}