.page-news {
  --news-version: var(--coral);
  --news-guide: var(--mint);
  --news-nav: var(--shell);
  --news-qa: var(--gold);
  overflow-x: hidden;
  background: var(--ink);
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding-top: clamp(1.25rem, 4vw, 2.25rem);
  padding-bottom: clamp(2rem, 5vw, 3.25rem);
}

.page-news .news-hero__grid {
  display: grid;
  gap: clamp(1.75rem, 5vw, 3.5rem);
  align-items: end;
  margin-top: clamp(1.5rem, 4vw, 2.75rem);
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

.page-news .news-hero__kicker {
  margin: 0 0 1rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .18em;
}

.page-news .news-hero__title {
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(2.2rem, 5.4vw, 4.4rem);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--text);
}

.page-news .news-hero__title::after {
  content: "";
  display: block;
  width: clamp(3.5rem, 12vw, 7rem);
  height: 2px;
  margin-top: 1.4rem;
  background: linear-gradient(90deg, var(--coral), var(--coral-soft) 55%, rgba(255, 107, 67, 0));
}

.page-news .news-hero__lede {
  max-width: 34rem;
  margin: 0 0 1rem;
  font-size: var(--step-3);
  line-height: 1.85;
  color: var(--text);
}

.page-news .news-hero__note {
  max-width: 34rem;
  margin: 0 0 1.75rem;
  font-size: var(--step-2);
  line-height: 1.85;
  color: var(--muted);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

.page-news .news-hero__mark {
  position: relative;
  min-height: 190px;
  border: 1px solid var(--line);
  background:
    linear-gradient(120deg, rgba(16, 42, 61, .9) 0%, rgba(10, 25, 38, .6) 100%);
  overflow: hidden;
}

.page-news .news-hero__beam {
  position: absolute;
  inset: -20% -30%;
  background: linear-gradient(
    112deg,
    rgba(255, 107, 67, 0) 12%,
    rgba(255, 107, 67, .24) 40%,
    rgba(245, 175, 192, .26) 56%,
    rgba(255, 211, 122, .16) 68%,
    rgba(10, 25, 38, 0) 88%
  );
  clip-path: polygon(0 66%, 100% 18%, 100% 44%, 0 92%);
}

.page-news .news-hero__halo {
  position: absolute;
  right: -14%;
  top: -28%;
  width: 62%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 211, 122, .2) 0%, rgba(255, 211, 122, 0) 68%);
}

.page-news .news-hero__wave {
  position: absolute;
  left: -10%;
  width: 120%;
  height: 46%;
  border-radius: 50%;
  border-top: 1px solid rgba(245, 175, 192, .28);
}

.page-news .news-hero__wave {
  bottom: 4%;
}

.page-news .news-hero__wave--2 {
  bottom: -6%;
  border-top-color: rgba(87, 227, 182, .2);
}

.page-news .news-hero__wave--3 {
  bottom: -16%;
  border-top-color: rgba(255, 107, 67, .22);
}

/* ---------- 页头横幅 ---------- */
.page-news .news-banner {
  position: relative;
  margin: 0;
}

.page-news .news-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 5;
  object-fit: cover;
}

.page-news .news-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    rgba(10, 25, 38, .62) 0%,
    rgba(10, 25, 38, .12) 42%,
    rgba(10, 25, 38, .88) 100%
  );
}

/* ---------- 栏目说明 ---------- */
.page-news .column-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 760px) {
  .page-news .column-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.15rem;
  }
}

@media (min-width: 1120px) {
  .page-news .column-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-news .column-card {
  position: relative;
  padding: 1.5rem 1.35rem 1.6rem;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(16, 42, 61, .78) 0%, rgba(10, 25, 38, .55) 100%);
  transition: border-color .2s ease, transform .2s ease;
}

.page-news .column-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 2px;
  background: var(--muted);
}

.page-news .column-card--version::before { background: var(--news-version); }
.page-news .column-card--guide::before { background: var(--news-guide); }
.page-news .column-card--nav::before { background: var(--news-nav); }
.page-news .column-card--qa::before { background: var(--news-qa); }

.page-news .column-card:hover {
  transform: translateY(-2px);
  border-color: rgba(155, 178, 194, .45);
}

.page-news .column-card__no {
  margin: 0 0 .85rem;
  color: var(--muted);
  letter-spacing: .16em;
}

.page-news .column-card--version .column-card__no { color: var(--news-version); }
.page-news .column-card--guide .column-card__no { color: var(--news-guide); }
.page-news .column-card--nav .column-card__no { color: var(--news-nav); }
.page-news .column-card--qa .column-card__no { color: var(--news-qa); }

.page-news .column-card__title {
  margin: 0 0 .75rem;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: var(--step-4);
  line-height: 1.15;
  letter-spacing: -.01em;
}

.page-news .column-card__body {
  margin: 0;
  font-size: var(--step-2);
  line-height: 1.85;
  color: var(--muted);
}

.page-news .column-card__body a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: rgba(255, 107, 67, .6);
  text-underline-offset: .2em;
}

.page-news .column-card__body a:hover {
  color: var(--coral-soft);
}

/* ---------- 最近更新列表 ---------- */
.page-news .log-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-news .log-item {
  position: relative;
  padding: 1.35rem 0 1.35rem 1.5rem;
  border-bottom: 1px solid var(--line-soft);
  transition: transform .2s ease, background-color .2s ease;
}

.page-news .log-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.5rem;
  bottom: 1.5rem;
  width: 3px;
  background: var(--muted);
}

.page-news .log-item--version::before { background: var(--news-version); box-shadow: 0 0 12px rgba(255, 107, 67, .5); }
.page-news .log-item--guide::before { background: var(--news-guide); box-shadow: 0 0 12px rgba(87, 227, 182, .4); }
.page-news .log-item--nav::before { background: var(--news-nav); box-shadow: 0 0 12px rgba(245, 175, 192, .4); }
.page-news .log-item--qa::before { background: var(--news-qa); box-shadow: 0 0 12px rgba(255, 211, 122, .4); }

@media (hover: hover) {
  .page-news .log-item:hover {
    transform: translateY(-2px);
    background: rgba(16, 42, 61, .62);
  }
}

.page-news .log-item:focus-within {
  background: rgba(16, 42, 61, .62);
}

.page-news .log-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem;
  margin: 0 0 .6rem;
  color: var(--muted);
  letter-spacing: .08em;
}

.page-news .log-item__cat {
  padding: .15rem .55rem;
  font-size: .75rem;
  letter-spacing: .06em;
  border: 1px solid var(--line);
  color: var(--muted);
}

.page-news .log-item--version .log-item__cat { color: var(--news-version); border-color: rgba(255, 107, 67, .5); }
.page-news .log-item--guide .log-item__cat { color: var(--news-guide); border-color: rgba(87, 227, 182, .45); }
.page-news .log-item--nav .log-item__cat { color: var(--news-nav); border-color: rgba(245, 175, 192, .45); }
.page-news .log-item--qa .log-item__cat { color: var(--news-qa); border-color: rgba(255, 211, 122, .45); }

.page-news .log-item__title {
  margin: 0 0 .55rem;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.15rem, 2.2vw, 1.5rem);
  line-height: 1.35;
  letter-spacing: -.005em;
}

.page-news .log-item__excerpt {
  margin: 0;
  max-width: 44rem;
  font-size: var(--step-2);
  line-height: 1.85;
  color: var(--muted);
  max-height: 3.7em;
  overflow: hidden;
  transition: max-height .35s ease, color .2s ease;
}

@media (hover: hover) {
  .page-news .log-item:hover .log-item__excerpt {
    max-height: 14em;
    color: var(--text);
  }
}

.page-news .log-item:focus-within .log-item__excerpt {
  max-height: 14em;
  color: var(--text);
}

/* ---------- 反馈横幅条 ---------- */
.page-news .news-callout {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .65rem 1.1rem;
  margin-top: 1.75rem;
  padding: 1.05rem 1.25rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--coral);
  background: linear-gradient(90deg, rgba(255, 107, 67, .08) 0%, rgba(10, 25, 38, 0) 62%);
  color: var(--text);
  text-decoration: none;
  transition: border-color .2s ease, background-color .2s ease;
}

.page-news .news-callout:hover {
  border-color: rgba(255, 154, 108, .7);
  background: linear-gradient(90deg, rgba(255, 107, 67, .16) 0%, rgba(10, 25, 38, 0) 70%);
}

.page-news .news-callout__label {
  color: var(--coral-soft);
  letter-spacing: .12em;
}

.page-news .news-callout__text {
  flex: 1 1 14rem;
  font-size: var(--step-2);
  line-height: 1.7;
}

.page-news .news-callout__arrow {
  font-size: var(--step-3);
  color: var(--coral);
}

/* ---------- 专题系列 ---------- */
.page-news .series-grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 820px) {
  .page-news .series-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-news .series-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(16, 42, 61, .72) 0%, rgba(10, 25, 38, .5) 100%);
  transition: border-color .2s ease, transform .2s ease;
}

.page-news .series-card:hover {
  transform: translateY(-2px);
  border-color: rgba(245, 175, 192, .45);
}

.page-news .series-card__figure {
  position: relative;
  margin: 0;
  overflow: hidden;
}

.page-news .series-card__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-news .series-card__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 25, 38, .1) 0%, rgba(10, 25, 38, .78) 100%);
  pointer-events: none;
}

.page-news .series-card__body {
  padding: 1.35rem 1.4rem 1.6rem;
}

.page-news .series-card__kicker {
  margin: 0 0 .7rem;
  color: var(--shell);
  letter-spacing: .16em;
}

.page-news .series-card__title {
  margin: 0 0 .7rem;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: var(--step-4);
  line-height: 1.2;
}

.page-news .series-card__text {
  margin: 0 0 1rem;
  font-size: var(--step-2);
  line-height: 1.85;
  color: var(--muted);
}

.page-news .series-card__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .5rem;
}

.page-news .series-card__list li {
  position: relative;
  padding-left: 1.1rem;
  font-size: var(--step-2);
  line-height: 1.7;
  color: var(--text);
}

.page-news .series-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .66em;
  width: .5rem;
  height: 1px;
  background: var(--mint);
}

.page-news .series-strip {
  display: grid;
  gap: 1rem;
  margin-top: 1.25rem;
  padding: 1.5rem 1.4rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--shell);
  background: linear-gradient(100deg, rgba(245, 175, 192, .09) 0%, rgba(10, 25, 38, .5) 58%);
}

@media (min-width: 820px) {
  .page-news .series-strip {
    grid-template-columns: minmax(0, 4fr) minmax(0, 6fr) auto;
    align-items: center;
    gap: 1.5rem;
  }
}

.page-news .series-strip__kicker {
  margin: 0 0 .45rem;
  color: var(--shell);
  letter-spacing: .16em;
}

.page-news .series-strip__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: var(--step-4);
}

.page-news .series-strip__text {
  margin: 0;
  font-size: var(--step-2);
  line-height: 1.85;
  color: var(--muted);
}

.page-news .series-strip .link-arrow {
  align-self: start;
  white-space: nowrap;
  color: var(--shell);
  text-decoration: none;
  border-bottom: 1px solid rgba(245, 175, 192, .5);
  padding-bottom: .2rem;
  font-size: var(--step-2);
}

.page-news .series-strip .link-arrow:hover {
  color: var(--text);
  border-bottom-color: var(--coral);
}

/* ---------- 更新节奏 ---------- */
.page-news .rhythm-grid {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  background: var(--line-soft);
  border: 1px solid var(--line);
}

@media (min-width: 860px) {
  .page-news .rhythm-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-news .rhythm-item {
  padding: 1.4rem 1.2rem 1.5rem;
  background: linear-gradient(180deg, rgba(16, 42, 61, .8) 0%, rgba(10, 25, 38, .72) 100%);
}

.page-news .rhythm-item__label {
  margin: 0 0 .8rem;
  font-size: var(--step-1);
  letter-spacing: .1em;
  color: var(--muted);
}

.page-news .rhythm-item__value {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .4rem;
}

.page-news .rhythm-item__num {
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 2.6vw, 1.9rem);
  font-weight: 400;
  letter-spacing: .02em;
  color: var(--text);
}

.page-news .rhythm-item__unit {
  font-size: var(--step-1);
  color: var(--muted);
}

.page-news .rhythm-item--guide .rhythm-item__num { color: var(--news-guide); }
.page-news .rhythm-item--version .rhythm-item__num { color: var(--news-version); }

.page-news .rhythm-note {
  margin: 1.5rem 0 0;
  max-width: 44rem;
  font-size: var(--step-2);
  line-height: 1.9;
  color: var(--muted);
}

.page-news .rhythm-note a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: rgba(87, 227, 182, .55);
  text-underline-offset: .2em;
}

.page-news .rhythm-note a:hover {
  color: var(--mint);
}

/* ---------- 按主题查找 ---------- */
.page-news .topics-split {
  display: grid;
  gap: clamp(1.75rem, 5vw, 3.25rem);
}

@media (min-width: 940px) {
  .page-news .topics-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

.page-news .topics-group__label {
  margin: 0 0 .85rem;
  color: var(--muted);
  letter-spacing: .16em;
}

.page-news .topics-group__label:not(:first-child) {
  margin-top: 2rem;
}

.page-news .topic-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .topic-pill {
  display: inline-block;
  padding: .48rem .95rem;
  font-size: var(--step-2);
  line-height: 1.4;
  color: var(--text);
  text-decoration: none;
  border: 1px solid var(--line);
  background: rgba(16, 42, 61, .55);
  transition: color .18s ease, border-color .18s ease, background-color .18s ease;
}

.page-news .topic-pill:hover,
.page-news .topic-pill:focus-visible {
  color: var(--ink);
  background: var(--coral);
  border-color: var(--coral);
}

.page-news .topics-figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(16, 42, 61, .7) 0%, rgba(10, 25, 38, .5) 100%);
}

.page-news .topics-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-news .topics-figure__caption {
  padding: 1rem 1.15rem 1.2rem;
  font-size: var(--step-2);
  line-height: 1.8;
  color: var(--muted);
  border-top: 1px solid var(--line-soft);
}

@media (max-width: 560px) {
  .page-news .news-hero__actions .btn {
    flex: 1 1 100%;
    text-align: center;
  }

  .page-news .rhythm-item {
    padding: 1.15rem 1rem 1.25rem;
  }

  .page-news .log-item {
    padding-left: 1.15rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .log-item,
  .page-news .column-card,
  .page-news .series-card,
  .page-news .news-callout,
  .page-news .topic-pill,
  .page-news .log-item__excerpt {
    transition: none;
  }

  .page-news .log-item:hover,
  .page-news .column-card:hover,
  .page-news .series-card:hover {
    transform: none;
  }
}