.page-news {
  --news-rail-w: 180px;
  --news-gap: 40px;
}

.page-news .breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 22px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mist);
}

.page-news .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  color: var(--gold);
}

.page-news .breadcrumb__sep {
  color: var(--line);
}

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

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  position: relative;
  padding: 40px 0 52px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 100%;
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(242, 193, 78, .10) 0%, transparent 58%),
    linear-gradient(155deg, rgba(53, 214, 226, .06) 0%, transparent 46%);
  pointer-events: none;
}

.page-news .news-hero__inner {
  position: relative;
  display: grid;
  gap: 32px;
}

.page-news .news-hero .kicker {
  margin: 0 0 16px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-news .news-hero h1 {
  margin: 0 0 20px;
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(30px, 7vw, 54px);
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--white);
  max-width: 13ch;
}

.page-news .news-hero__lead {
  margin: 0;
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 34em;
}

.page-news .news-hero__meta {
  display: flex;
  flex-direction: column;
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-news .meta-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 16px;
  background: var(--ink-2);
}

.page-news .meta-k {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mist);
}

.page-news .meta-v {
  font-size: 14px;
  color: var(--gold);
  letter-spacing: .02em;
}

.page-news .mono {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 版面 ---------- */

.page-news .news-layout {
  display: block;
  padding-top: 44px;
  padding-bottom: 72px;
}

.page-news .news-rail {
  margin-bottom: 40px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.page-news .news-rail__title {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-news .side-index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .side-index__link {
  display: block;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-news .side-index__link:hover,
.page-news .side-index__link:focus-visible {
  color: var(--gold);
  border-color: var(--gold);
}

.page-news .side-index__link.is-active {
  color: var(--ink);
  background: var(--gold);
  border-color: var(--gold);
}

/* ---------- 区块 ---------- */

.page-news .news-block {
  padding-top: 40px;
  border-top: 1px solid var(--line);
}

.page-news .news-block:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-news .news-block + .news-block {
  margin-top: 8px;
}

.page-news .news-block__head {
  margin-bottom: 26px;
}

.page-news .news-block__head .index {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--amber);
}

.page-news .news-block__head .h-section {
  margin: 0;
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(21px, 4.6vw, 28px);
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-news .news-block__note {
  margin: 10px 0 0;
  font-family: var(--body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 本期聚焦 ---------- */

.page-news .focus-lead {
  display: grid;
  gap: 24px;
  padding: 24px;
  margin-bottom: 1px;
  background: var(--slab);
  border: 1px solid var(--line);
  border-left: 2px solid var(--gold);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.page-news .focus-lead__body h3,
.page-news .focus-second h3 {
  margin: 0 0 14px;
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(19px, 4.4vw, 24px);
  line-height: 1.34;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-news .focus-lead__body p,
.page-news .focus-second p {
  margin: 0 0 18px;
  font-family: var(--body);
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 34em;
}

.page-news .focus-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 14px;
}

.page-news .focus-lead__figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-news .focus-lead__figure img,
.page-news .series-figure img,
.page-news .archive-figure img,
.page-news .entry__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .focus-lead__figure img {
  aspect-ratio: 16 / 9;
  filter: saturate(.86) contrast(1.04);
}

.page-news .focus-second {
  padding: 24px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .focus-second:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-news .focus-second p:last-child {
  margin-bottom: 0;
}

/* ---------- 更新流 ---------- */

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-news .filter-chip {
  appearance: none;
  padding: 7px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

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

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

.page-news .filter-chip.is-active {
  color: var(--ink);
  background: var(--gold);
  border-color: var(--gold);
}

.page-news .filter-hint {
  margin: 12px 0 22px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-news .filter-hint .mono {
  color: var(--gold);
}

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

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

.page-news .entry-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gold);
  transform: scaleY(0);
  transform-origin: 50% 0;
  transition: transform var(--dur) var(--ease);
}

.page-news .entry-item:hover::before,
.page-news .entry-item:focus-within::before {
  transform: scaleY(1);
}

.page-news .entry {
  display: block;
}

.page-news .entry__summary {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "time tag"
    "title title";
  gap: 8px 14px;
  padding: 20px 40px 22px 16px;
  cursor: pointer;
  list-style: none;
  transition: transform var(--dur) var(--ease);
}

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

.page-news .entry__summary::after {
  content: "+";
  position: absolute;
  right: 10px;
  top: 20px;
  font-family: var(--mono);
  font-size: 16px;
  line-height: 1;
  color: var(--mist);
  transition: color var(--dur) var(--ease);
}

.page-news .entry[open] .entry__summary::after {
  content: "−";
  color: var(--gold);
}

.page-news .entry-item:hover .entry__summary,
.page-news .entry__summary:focus-visible {
  transform: translateX(4px);
}

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

.page-news .entry__time {
  grid-area: time;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
  align-self: center;
}

.page-news .entry__title {
  grid-area: title;
  font-family: var(--display);
  font-weight: 900;
  font-size: 17px;
  line-height: 1.44;
  letter-spacing: -.005em;
  color: var(--white);
  transition: color var(--dur) var(--ease);
}

.page-news .entry-item:hover .entry__title {
  color: var(--gold);
}

.page-news .entry__tag {
  grid-area: tag;
  justify-self: end;
  align-self: center;
}

.page-news .entry__body {
  padding: 0 40px 24px 16px;
  animation: news-fade 220ms var(--ease);
}

@keyframes news-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

.page-news .entry__body > p {
  margin: 0;
  font-family: var(--body);
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 36em;
}

.page-news .entry__figure {
  margin: 18px 0 0;
  max-width: 400px;
  border: 1px solid var(--line);
}

.page-news .entry__figure img {
  aspect-ratio: 1 / 1;
}

.page-news .entry__figure .figure__cap {
  display: block;
  padding: 9px 12px;
  border-top: 1px solid var(--line);
  background: var(--ink-2);
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--mist);
}

/* ---------- 专题系列 ---------- */

.page-news .series-layout {
  display: grid;
  gap: 28px;
}

.page-news .series-figure {
  margin: 0;
  border: 1px solid var(--line);
}

.page-news .series-figure img {
  aspect-ratio: 4 / 3;
  clip-path: polygon(0 0, 100% 0, 100% 94%, 0 100%);
  filter: saturate(.9);
}

.page-news .series-figure .figure__cap {
  display: block;
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  background: var(--ink-2);
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-news .series-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .series-item {
  padding: 20px 20px 22px;
  background: var(--ink-2);
  transition: background-color var(--dur) var(--ease);
}

.page-news .series-item:hover {
  background: var(--slab);
}

.page-news .series-item__no {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--rose);
}

.page-news .series-item h3 {
  margin: 0 0 10px;
  font-family: var(--display);
  font-weight: 900;
  font-size: 18px;
  line-height: 1.36;
  color: var(--white);
}

.page-news .series-item p {
  margin: 0 0 12px;
  font-family: var(--body);
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
  max-width: 32em;
}

.page-news .series-item__count {
  margin: 0;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold);
}

/* ---------- 归档索引 ---------- */

.page-news .archive-figure {
  margin: 0 0 26px;
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-news .archive-figure img {
  aspect-ratio: 12 / 5;
  filter: saturate(.8) contrast(1.05);
}

.page-news .archive-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .archive-col {
  background: var(--ink-2);
  padding: 20px 20px 24px;
}

.page-news .archive-col__title {
  margin: 0 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-news .archive-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.page-news .archive-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
}

.page-news .archive-list__k {
  font-family: var(--body);
  font-size: 14.5px;
  color: var(--white);
}

.page-news .archive-list__v {
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--amber);
}

.page-news .archive-list--batch li {
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}

.page-news .archive-list__d {
  font-family: var(--body);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 更新节奏 ---------- */

.page-news .cadence-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .cadence-item {
  padding: 22px 20px 24px;
  background: var(--ink-2);
}

.page-news .cadence-item__k {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-news .cadence-item__v {
  margin: 0 0 12px;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: .02em;
  color: var(--gold);
}

.page-news .cadence-item__d {
  margin: 0;
  font-family: var(--body);
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-news .cadence-foot {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  margin-top: 24px;
  padding: 22px 20px;
  background: var(--slab);
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
}

.page-news .cadence-foot p {
  margin: 0;
  font-family: var(--body);
  font-size: 15px;
  line-height: 1.78;
  color: var(--white);
  max-width: 34em;
}

.page-news .cadence-more {
  margin: 20px 0 0;
  font-family: var(--body);
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .cadence-more a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 214, 226, .35);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .cadence-more a:hover,
.page-news .cadence-more a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-news .news-hero {
    padding: 56px 0 64px;
  }

  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
    column-gap: 1fr;
    column-gap: 48px;
  }

  .page-news .focus-lead {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: center;
    column-gap: 28px;
    padding: 28px;
  }

  .page-news .series-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    align-items: start;
    column-gap: 32px;
  }

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

  .page-news .cadence-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .cadence-foot {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .page-news .entry__summary {
    grid-template-columns: 106px minmax(0, 1fr) auto;
    grid-template-areas: "time title tag";
    align-items: center;
    gap: 16px;
  }

  .page-news .entry__body {
    padding-left: 122px;
  }
}

@media (min-width: 1000px) {
  .page-news .news-layout {
    display: grid;
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    column-gap: 64px;
    padding-top: 56px;
    padding-bottom: 96px;
  }

  .page-news .news-rail {
    position: sticky;
    top: calc(var(--bar-h-sm) + 28px);
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: 0;
  }

  .page-news .side-index {
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .page-news .side-index__link {
    border: 0;
    border-left: 2px solid var(--line);
    border-radius: 0;
    padding: 7px 0 7px 14px;
    font-size: 12.5px;
  }

  .page-news .side-index__link:hover,
  .page-news .side-index__link:focus-visible {
    border-left-color: var(--gold);
  }

  .page-news .side-index__link.is-active {
    color: var(--gold);
    background: transparent;
    border-left-color: var(--gold);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .entry__summary,
  .page-news .focus-second,
  .page-news .entry-item::before,
  .page-news .entry__summary::after {
    transition: none;
  }
}