.page-news {
  --news-rule: 1px solid var(--line);
  --news-gap-lg: 48px;
  background: var(--paper);
  color: var(--text-ink);
}

/* ================= 首屏 ================= */

.page-news .news-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  color: var(--paper);
  padding: 34px 0 104px;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(118deg, rgba(143, 227, 214, .13) 0 1px, transparent 1px 30px),
    radial-gradient(circle at 84% 14%, rgba(255, 122, 52, .24), transparent 46%),
    linear-gradient(158deg, var(--ink-700), var(--ink-900) 64%);
  pointer-events: none;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 78px;
  background: var(--paper);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
  pointer-events: none;
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 1;
}

.page-news .news-hero .breadcrumbs,
.page-news .news-hero .breadcrumbs a,
.page-news .news-hero .breadcrumbs span {
  color: var(--teal-soft);
}

.page-news .news-hero .eyebrow {
  margin-top: 26px;
  color: var(--teal-soft);
}

.page-news .news-hero .eyebrow .mono {
  color: var(--orange);
  font-weight: 700;
}

.page-news .news-hero__title {
  margin: 12px 0 0;
  max-width: 18ch;
  font-size: clamp(2rem, 6.4vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.02em;
}

.page-news .news-hero__lede {
  margin: 18px 0 0;
  max-width: 46rem;
  color: rgba(246, 248, 250, .86);
}

.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 28px;
  padding-top: 20px;
  max-width: 46rem;
  border-top: 1px solid rgba(143, 227, 214, .32);
  font-size: .82rem;
  color: var(--teal-soft);
}

.page-news .news-hero__meta .mono {
  color: var(--orange);
  font-weight: 700;
}

/* ================= 章节头 ================= */

.page-news .section {
  padding: 56px 0;
}

.page-news .news-sechead {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 26px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--ink-900);
}

.page-news .news-sechead__num {
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--teal);
}

.page-news .news-sechead__title {
  margin: 0;
  font-size: clamp(1.5rem, 3.6vw, 2.25rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.01em;
}

.page-news .news-sechead--ink {
  border-bottom-color: var(--teal);
}

.page-news .section--ink .news-sechead__title {
  color: var(--paper);
}

.page-news .section--ink .news-sechead__num {
  color: var(--orange);
}

/* ================= 本期看点 ================= */

.page-news .news-highlights {
  display: grid;
  gap: 30px;
}

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

.page-news .highlight-item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  padding: 20px 0;
  border-top: var(--news-rule);
}

.page-news .highlight-item:last-child {
  border-bottom: var(--news-rule);
}

.page-news .highlight-item__num {
  padding-top: 3px;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--teal);
}

.page-news .highlight-item__text {
  margin: 0;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--ink-700);
}

.page-news .highlight-item__text strong {
  display: block;
  margin-bottom: 5px;
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--text-ink);
}

.page-news .news-highlights__fig {
  margin: 0;
  box-shadow: var(--shadow-lift);
}

.page-news .news-highlights__fig img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--ink-900);
}

/* ================= 条目区 ================= */

.page-news .news-log {
  display: grid;
  gap: 30px;
}

.page-news .news-log__side {
  padding-top: 18px;
  border-top: 3px solid var(--ink-900);
}

.page-news .news-log__label {
  margin: 0;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--ink-700);
}

.page-news .news-log__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.page-news .news-chip {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink-700);
  font: inherit;
  font-size: .82rem;
  line-height: 1.2;
  padding: 8px 13px;
  border-radius: 2px;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease),
    color var(--dur) var(--ease);
}

.page-news .news-chip:hover {
  border-color: var(--teal);
  background: var(--mist);
}

.page-news .news-chip[aria-pressed="true"] {
  border-color: var(--orange);
  background: var(--teal-soft);
  color: var(--ink-900);
  font-weight: 800;
  box-shadow: inset 0 0 0 1px var(--orange);
}

.page-news .news-chip:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

.page-news .news-log__icons {
  margin: 20px 0 0;
}

.page-news .news-log__icons img {
  display: block;
  width: 100%;
  max-width: 220px;
  height: auto;
}

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

.page-news .log-entry {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 0 14px;
  padding: 22px 0;
  border-top: var(--news-rule);
}

.page-news .log-entry:last-child {
  border-bottom: var(--news-rule);
}

.page-news .log-entry[data-filtered-out] {
  display: none;
}

.page-news .log-entry__num {
  padding-top: 5px;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--teal);
}

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

.page-news .log-entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin-bottom: 9px;
}

.page-news .log-entry__when {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .02em;
  color: var(--ink-700);
}

.page-news .log-entry__title {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 800;
  line-height: 1.45;
  letter-spacing: -.005em;
}

.page-news .log-entry__sum {
  margin: 8px 0 0;
  max-width: 62ch;
  font-size: .93rem;
  line-height: 1.85;
  color: var(--ink-700);
}

.page-news .log-entry__more {
  margin-top: 10px;
}

.page-news .log-entry__more > summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .8rem;
  font-weight: 700;
  color: var(--orange-deep);
  cursor: pointer;
  list-style: none;
}

.page-news .log-entry__more > summary::-webkit-details-marker {
  display: none;
}

.page-news .log-entry__more > summary::before {
  content: "＋";
  font-family: var(--font-mono);
  font-size: .9rem;
  color: var(--teal);
}

.page-news .log-entry__more[open] > summary::before {
  content: "－";
}

.page-news .log-entry__more > summary:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

.page-news .log-entry__more > p {
  margin: 10px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--teal-soft);
  font-size: .88rem;
  line-height: 1.8;
  color: var(--ink-700);
}

/* ================= 专题系列 ================= */

.page-news .news-series {
  display: grid;
  gap: 30px;
}

.page-news .news-series__art {
  margin: 0;
  box-shadow: var(--shadow-lift);
}

.page-news .news-series__art img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--ink-900);
}

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

.page-news .series-item {
  padding: 20px 0;
  border-top: var(--news-rule);
}

.page-news .series-item:last-child {
  border-bottom: var(--news-rule);
}

.page-news .series-item__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
}

.page-news .series-item__num {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--teal);
}

.page-news .series-item__name {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 800;
  line-height: 1.35;
}

.page-news .series-item__cadence {
  padding: 2px 8px;
  border: 1px solid var(--line);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: .73rem;
  color: var(--ink-700);
}

.page-news .series-item__desc {
  margin: 9px 0 0;
  max-width: 60ch;
  font-size: .92rem;
  line-height: 1.85;
  color: var(--ink-700);
}

/* ================= 更新节奏 ================= */

.page-news .news-cadence {
  display: grid;
  gap: 30px;
}

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

.page-news .cadence-item {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid rgba(143, 227, 214, .3);
}

.page-news .cadence-item:last-child {
  border-bottom: 1px solid rgba(143, 227, 214, .3);
}

.page-news .cadence-item__key {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .03em;
  color: var(--teal);
}

.page-news .cadence-item__val {
  margin: 0;
  font-size: .93rem;
  line-height: 1.85;
  color: rgba(246, 248, 250, .84);
}

.page-news .news-cadence__fig {
  margin: 0;
  box-shadow: 10px 10px 0 0 rgba(255, 122, 52, .26);
}

.page-news .news-cadence__fig img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--teal);
}

.page-news .news-cadence__link {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 34px 0 0;
}

/* ================= 响应式 ================= */

@media (min-width: 760px) {
  .page-news .news-hero {
    padding: 44px 0 122px;
  }

  .page-news .news-hero__title {
    max-width: 22ch;
  }

  .page-news .section {
    padding: 72px 0;
  }

  .page-news .log-entry {
    grid-template-columns: 52px 1fr;
    gap: 0 22px;
    padding: 26px 0;
  }

  .page-news .news-log__icons img {
    max-width: 240px;
  }
}

@media (min-width: 900px) {
  .page-news .news-highlights {
    grid-template-columns: 1.05fr .95fr;
    gap: var(--news-gap-lg);
    align-items: start;
  }

  .page-news .news-log {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: var(--news-gap-lg);
    align-items: start;
  }

  .page-news .news-log__side {
    position: sticky;
    top: calc(var(--brand-bar-h) + 24px);
  }

  .page-news .news-log__filters {
    flex-direction: column;
    align-items: stretch;
  }

  .page-news .news-chip {
    text-align: left;
  }

  .page-news .news-series {
    grid-template-columns: .85fr 1.15fr;
    gap: var(--news-gap-lg);
    align-items: start;
  }

  .page-news .news-series__art {
    position: sticky;
    top: calc(var(--brand-bar-h) + 24px);
  }

  .page-news .news-cadence {
    grid-template-columns: 1.1fr .9fr;
    gap: var(--news-gap-lg);
    align-items: center;
  }
}

@media (min-width: 1140px) {
  .page-news .news-log {
    grid-template-columns: 256px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-chip,
  .page-news .log-entry,
  .page-news .highlight-item {
    transition: none;
  }
}