.page-news,
.page-news *,
.page-news *::before,
.page-news *::after {
  box-sizing: border-box;
}

.page-news {
  --news-gap: clamp(20px, 3vw, 40px);
  --news-radius: 2px;
  display: block;
  background: var(--ink);
  color: var(--silver);
}

.page-news .container {
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: var(--shell-x);
}

.page-news .section,
.page-news .section--tight {
  position: relative;
  padding-block: clamp(48px, 7vw, 96px);
  border-top: 1px solid var(--line);
}

.page-news .section-head {
  max-width: 62ch;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-news .section-head h2 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--silver);
}

.page-news .section-head p {
  margin: 0;
  font-size: 17px;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(36px, 5vw, 72px) clamp(48px, 7vw, 100px);
  background:
    linear-gradient(180deg, rgba(23, 27, 34, 0.75), rgba(11, 13, 17, 0) 68%),
    var(--ink);
}

.page-news .news-hero__blade {
  position: absolute;
  inset: -10% -20% auto auto;
  width: min(720px, 78vw);
  height: min(560px, 70vh);
  background: linear-gradient(140deg, rgba(46, 125, 255, 0.16), rgba(255, 59, 47, 0.09) 58%, rgba(11, 13, 17, 0) 82%);
  clip-path: polygon(24% 0, 100% 0, 100% 72%, 0 100%);
  pointer-events: none;
}

.page-news .news-hero .breadcrumb {
  position: relative;
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-news .news-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(28px, 4vw, 56px);
}

.page-news .news-hero__body h1 {
  margin: 12px 0 20px;
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 4.2rem);
  font-weight: 900;
  letter-spacing: -0.025em;
  line-height: 1.04;
  color: var(--silver);
}

.page-news .news-hero__lede {
  max-width: 56ch;
  margin: 0 0 28px;
  font-size: 17px;
  line-height: 1.78;
  color: var(--silver);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .news-hero__panel {
  border: 1px solid var(--line-strong);
  border-top: 2px solid var(--red);
  background: linear-gradient(180deg, rgba(23, 27, 34, 0.96), rgba(11, 13, 17, 0.9));
  padding: clamp(20px, 3vw, 30px);
}

.page-news .news-hero__stamp {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 16px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--green);
}

.page-news .version-facts {
  margin: 0;
}

.page-news .version-facts__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
}

.page-news .version-facts__row dt {
  font-size: 14px;
  color: var(--slate);
}

.page-news .version-facts__row dd {
  margin: 0;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--silver);
}

.page-news .news-hero__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 本轮速览 ---------- */

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

.page-news .brief-card {
  position: relative;
  padding: clamp(22px, 3vw, 32px);
  background: var(--graphite);
  transition: background 260ms var(--ease);
}

.page-news .brief-card:hover {
  background: #1c212a;
}

.page-news .brief-card__num {
  display: inline-block;
  margin-bottom: 14px;
  padding: 2px 8px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ink);
  background: var(--blue);
}

.page-news .brief-card:nth-child(2) .brief-card__num {
  background: var(--silver);
}

.page-news .brief-card:nth-child(3) .brief-card__num {
  background: var(--red);
  color: var(--parchment);
}

.page-news .brief-card:nth-child(4) .brief-card__num {
  background: var(--green);
}

.page-news .brief-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--silver);
}

.page-news .brief-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 版本时间轴 ---------- */

.page-news .timeline-rail {
  margin: 0 0 clamp(28px, 4vw, 48px);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-news .timeline-rail img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.9;
}

.page-news .timeline {
  position: relative;
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .timeline__node {
  position: relative;
  padding: 0 0 0 32px;
}

.page-news .timeline__node + .timeline__node {
  margin-top: 32px;
}

.page-news .timeline__node::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 14px;
  bottom: -32px;
  width: 1px;
  background: var(--line-strong);
}

.page-news .timeline__node:last-child::before {
  display: none;
}

.page-news .timeline__dot {
  position: absolute;
  left: 0;
  top: 8px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--ink);
  border: 1px solid var(--slate);
}

.page-news .timeline__node--current .timeline__dot {
  background: var(--green);
  border-color: var(--green);
  animation: news-breathe 4s ease-in-out infinite;
}

@keyframes news-breathe {
  0%, 100% { box-shadow: 0 0 0 0 rgba(134, 255, 110, 0.42); }
  50% { box-shadow: 0 0 0 9px rgba(134, 255, 110, 0); }
}

.page-news .timeline__card {
  padding: 22px 22px 24px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--blue);
  background: var(--graphite);
}

.page-news .timeline__node--current .timeline__card {
  border-left-color: var(--green);
  background: linear-gradient(180deg, rgba(36, 26, 20, 0.9), rgba(23, 27, 34, 0.96));
}

.page-news .timeline__date {
  display: block;
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

.page-news .timeline__node--current .timeline__date {
  color: var(--green);
}

.page-news .timeline__card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1.8vw, 1.4rem);
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--silver);
}

.page-news .timeline__card p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
}

.page-news .timeline__link {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 125, 255, 0.4);
  padding-bottom: 2px;
}

.page-news .timeline__link:hover,
.page-news .timeline__link:focus-visible {
  color: var(--green);
  border-bottom-color: var(--green);
}

/* ---------- 分栏 ---------- */

.page-news .split {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-news .split__intro h2 {
  margin: 10px 0 16px;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--silver);
}

.page-news .split__intro p {
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--slate);
}

.page-news .split__intro .btn {
  margin-bottom: 24px;
}

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

.page-news .split__intro .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.88;
}

/* ---------- 条目列表 ---------- */

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

.page-news .change-list__item {
  padding: 20px 22px 22px;
  background: var(--ink);
  transition: background 260ms var(--ease);
}

.page-news .change-list__item:hover {
  background: var(--graphite);
}

.page-news .change-list__key {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 9px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--silver);
  border: 1px solid var(--line-strong);
}

.page-news .change-list__item h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.5vw, 1.18rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--silver);
}

.page-news .change-list__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--slate);
}

/* ---------- 更新节奏 ---------- */

.page-news .cadence__split {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-news .cadence__media {
  margin: 0;
  border: 1px solid var(--line);
  border-bottom: 2px solid var(--umber);
  overflow: hidden;
}

.page-news .cadence__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.9;
}

.page-news .cadence-steps {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-news .cadence-steps__item {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 16px;
  row-gap: 6px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .cadence-steps__num {
  grid-row: 1 / span 2;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--red);
  padding-top: 3px;
}

.page-news .cadence-steps__item h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--silver);
}

.page-news .cadence-steps__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--slate);
}

.page-news .cadence__stats {
  display: grid;
  gap: 1px;
  margin-top: clamp(28px, 4vw, 44px);
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .cadence__stat {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 22px;
  background: var(--graphite);
}

.page-news .cadence__stat-num {
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--green);
}

.page-news .cadence__stat-label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
}

/* ---------- 全部条目 ---------- */

.page-news .entries-section .filter-bar {
  flex-wrap: wrap;
  margin-bottom: clamp(20px, 3vw, 32px);
}

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

.page-news .entry {
  display: grid;
  gap: 8px;
  padding: 20px 22px 22px;
  background: var(--ink);
  transition: background 220ms var(--ease), transform 260ms var(--ease);
}

.page-news .entry:hover {
  background: var(--graphite);
}

.page-news .entry[data-filtered="hidden"] {
  display: none;
}

.page-news .entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-news .entry__time {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

.page-news .entry__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.02rem, 1.6vw, 1.22rem);
  font-weight: 800;
  letter-spacing: -0.012em;
  color: var(--silver);
}

.page-news .entry__text {
  margin: 0;
  max-width: 68ch;
  font-size: 14px;
  line-height: 1.72;
  color: var(--slate);
}

/* ---------- 结尾引导 ---------- */

.page-news .news-cta {
  border-top: 1px solid var(--line);
  padding-block: clamp(44px, 6vw, 84px);
}

.page-news .news-cta__box {
  position: relative;
  padding: clamp(26px, 4vw, 48px);
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(120deg, rgba(46, 125, 255, 0.1), rgba(11, 13, 17, 0) 58%),
    var(--graphite);
}

.page-news .news-cta__box h2 {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.6vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--silver);
}

.page-news .news-cta__box p {
  max-width: 58ch;
  margin: 0 0 24px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--slate);
}

.page-news .news-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 平板 ---------- */

@media (min-width: 720px) {
  .page-news .brief-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

/* ---------- 桌面 ---------- */

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

  .page-news .news-hero__panel {
    margin-top: 12px;
  }

  .page-news .split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-news .split--reverse {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-news .timeline {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 28px;
    padding-top: 0;
  }

  .page-news .timeline::before {
    content: "";
    position: absolute;
    left: 2%;
    right: 2%;
    top: 50%;
    height: 1px;
    background: linear-gradient(90deg, rgba(201, 207, 216, 0.05), var(--line-strong) 12%, var(--line-strong) 88%, rgba(201, 207, 216, 0.05));
  }

  .page-news .timeline__node {
    display: grid;
    grid-template-rows: 1fr 1fr;
    min-height: 330px;
    padding: 0;
    margin-top: 0;
  }

  .page-news .timeline__node + .timeline__node {
    margin-top: 0;
  }

  .page-news .timeline__node::before {
    display: none;
  }

  .page-news .timeline__dot {
    left: 0;
    top: 50%;
    width: 15px;
    height: 15px;
    transform: translateY(-50%);
  }

  .page-news .timeline__node--up .timeline__card {
    grid-row: 1;
    align-self: end;
    margin-bottom: 40px;
  }

  .page-news .timeline__node--down .timeline__card {
    grid-row: 2;
    align-self: start;
    margin-top: 40px;
  }

  .page-news .cadence__split {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: center;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-news .timeline__node--current .timeline__dot {
    animation: none;
    box-shadow: 0 0 0 6px rgba(134, 255, 110, 0.16);
  }

  .page-news .entry,
  .page-news .change-list__item,
  .page-news .brief-card {
    transition: none;
  }
}
<<<END>>>