.page-news {
  --news-gap: clamp(16px, 2.5vw, 26px);
  --news-shadow: 6px 8px 0 rgba(0, 0, 0, .5);
}

/* ===== 首屏索引墙 ===== */
.page-news .news-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink-900);
  border-bottom: 2px solid var(--line);
}

.page-news .news-hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-news .news-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .32;
  filter: saturate(.75) contrast(1.1);
}

.page-news .news-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(100deg, rgba(7, 9, 13, .97) 36%, rgba(7, 9, 13, .62) 72%, rgba(11, 58, 68, .58) 100%),
    repeating-linear-gradient(90deg, rgba(46, 59, 74, .35) 0 1px, transparent 1px 64px);
}

.page-news .news-hero__inner {
  position: relative;
  padding-top: clamp(28px, 6vw, 64px);
  padding-bottom: clamp(32px, 6vw, 68px);
}

.page-news .news-hero__kicker {
  margin: clamp(18px, 3vw, 30px) 0 0;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan);
  border-left: 3px solid var(--orange);
  padding-left: 10px;
}

.page-news .news-hero h1 {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 4.8vw, 3.5rem);
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--text-hi);
  max-width: 22ch;
}

.page-news .news-hero__lede {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--text-dim);
}

.page-news .hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: clamp(24px, 4vw, 38px);
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
}

.page-news .hero-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-left: 3px solid var(--line);
  padding-left: 12px;
}

.page-news .hero-stat__num {
  font-size: clamp(18px, 2.6vw, 26px);
  letter-spacing: .04em;
  color: var(--cyan);
  line-height: 1.2;
}

.page-news .hero-stat__label {
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: .04em;
  color: var(--text-dim);
}

.page-news .hero-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-news .hero-jump a {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--text-dim);
  text-decoration: none;
  border: 1px solid var(--line);
  background: rgba(16, 21, 29, .72);
  padding: 7px 11px;
  transition: color .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}

.page-news .hero-jump a:hover,
.page-news .hero-jump a:focus-visible {
  color: var(--text-hi);
  border-color: var(--cyan);
  background: var(--cyan-deep);
}

/* ===== 章节通用 ===== */
.page-news .section {
  padding-block: clamp(42px, 6vw, 76px);
}

.page-news .section-head {
  max-width: 74ch;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-news .section-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 2.8vw, 2.3rem);
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--text-hi);
}

.page-news .section-head .lede {
  margin-top: 14px;
  color: var(--text-dim);
}

.page-news .section-kicker {
  color: var(--orange);
  font-size: 12px;
  letter-spacing: .14em;
}

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

/* ===== 变更日志列表 ===== */
.page-news .log-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--news-gap);
}

.page-news .log-list {
  position: relative;
  padding-left: 22px;
}

.page-news .log-list::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), var(--line) 70%, transparent);
}

.page-news .log-item {
  position: relative;
  background: var(--ink-800);
  border: 2px solid var(--line);
  box-shadow: var(--news-shadow);
  padding: 16px 16px 14px;
  margin-bottom: var(--news-gap);
  transition: border-color .18s var(--ease), transform .2s var(--ease);
}

.page-news .log-item::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 22px;
  width: 10px;
  height: 10px;
  background: var(--orange);
  border: 2px solid var(--ink-900);
  border-radius: 50%;
}

.page-news .log-item:hover {
  border-color: var(--line);
  transform: translateY(-2px);
}

.page-news .log-item:target {
  border-color: var(--cyan);
  box-shadow: var(--shadow-hard), 0 0 0 1px rgba(40, 224, 255, .5);
}

.page-news .log-item__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-news .log-item__num {
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-news .log-item__chip {
  text-decoration: none;
}

.page-news .log-item__stage {
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--text-dim);
  border-left: 1px solid var(--line);
  padding-left: 8px;
}

.page-news .log-item__toggle {
  margin-left: auto;
  width: 30px;
  height: 30px;
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 2px solid var(--line);
  color: var(--cyan);
  cursor: pointer;
  transition: border-color .18s var(--ease), color .18s var(--ease), background .18s var(--ease);
}

.page-news .log-item__toggle:hover,
.page-news .log-item__toggle:focus-visible {
  border-color: var(--cyan);
  background: var(--cyan-deep);
}

.page-news .log-item__mark {
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  transition: transform .2s var(--ease);
}

.page-news .log-item__toggle[aria-expanded="true"] {
  border-color: var(--orange);
  color: var(--orange);
}

.page-news .log-item__toggle[aria-expanded="true"] .log-item__mark {
  transform: rotate(45deg);
}

.page-news .log-item__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(16px, 1.9vw, 19px);
  line-height: 1.4;
  color: var(--text-hi);
}

.page-news .log-item__summary {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--text-dim);
}

.page-news .log-item__panel {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  display: grid;
  gap: 8px;
}

.page-news .log-item__panel[hidden] {
  display: none;
}

.page-news .log-item__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  margin: 0;
}

.page-news .log-item__key {
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--orange);
}

.page-news .log-item__val {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ===== 侧栏 ===== */
.page-news .log-aside {
  display: grid;
  gap: 16px;
}

.page-news .log-tip {
  background: var(--ink-700);
  border: 2px solid var(--line);
  border-left: 4px solid var(--cyan);
  padding: 16px;
}

.page-news .log-tip__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: .02em;
  color: var(--text-hi);
}

.page-news .log-tip__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .log-tip__list li {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
  padding-left: 2px;
}

.page-news .log-tip__list .mono {
  display: inline-block;
  margin-right: 6px;
  color: var(--cyan);
  font-size: 11px;
  letter-spacing: .08em;
}

/* ===== 分类 ===== */
.page-news .cat-figure {
  margin: 0 0 clamp(22px, 3.5vw, 34px);
}

.page-news .cat-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--news-gap);
}

.page-news .cat-card {
  background: var(--ink-800);
  border: 2px solid var(--line);
  border-top: 4px solid var(--cyan);
  padding: 18px;
  box-shadow: 4px 6px 0 rgba(0, 0, 0, .45);
  transition: transform .2s var(--ease), border-color .18s var(--ease);
}

.page-news .cat-card--warm {
  border-top-color: var(--orange);
}

.page-news .cat-card:target {
  border-color: var(--cyan);
}

.page-news .cat-card:hover {
  transform: translateY(-3px);
}

.page-news .cat-card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.page-news .cat-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: .02em;
  color: var(--text-hi);
}

.page-news .cat-card__count {
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--text-dim);
  border: 1px solid var(--line);
  padding: 2px 7px;
}

.page-news .cat-card__desc {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-dim);
}

.page-news .cat-card__pages {
  margin: 12px 0 0;
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--orange);
  line-height: 1.7;
}

.page-news .cat-card__links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}

.page-news .cat-card__links a {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  text-decoration: none;
  color: var(--text-hi);
  background: var(--ink-700);
  border: 1px solid var(--line);
  padding: 5px 8px;
  transition: border-color .18s var(--ease), color .18s var(--ease), background .18s var(--ease);
}

.page-news .cat-card__links a:hover,
.page-news .cat-card__links a:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  background: var(--cyan-deep);
}

/* ===== 移动端专题 ===== */
.page-news .mobile-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--news-gap);
  align-items: start;
}

.page-news .mobile-figure {
  margin: 0;
}

.page-news .mob-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .mob-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  padding: 13px 14px;
}

.page-news .mob-list li:nth-child(even) {
  border-left-color: var(--orange);
}

.page-news .mob-list__n {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--orange);
  padding-top: 2px;
}

.page-news .mob-list h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--text-hi);
}

.page-news .mob-list p {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ===== 版本观察 ===== */
.page-news .notes-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--news-gap);
}

.page-news .note-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--ink-800);
  border: 2px solid var(--line);
  box-shadow: var(--news-shadow);
  padding: 18px;
}

.page-news .note-card__issue {
  margin: 0;
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-news .note-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.4;
  color: var(--text-hi);
}

.page-news .note-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-news .note-card__link {
  margin-top: auto;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 3px;
  transition: border-color .18s var(--ease), color .18s var(--ease);
}

.page-news .note-card__link:hover,
.page-news .note-card__link:focus-visible {
  color: var(--text-hi);
  border-color: var(--cyan);
}

/* ===== 更新节奏 ===== */
.page-news .cadence {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--news-gap);
}

.page-news .cadence__step {
  border-left: 3px solid var(--cyan);
  padding-left: 14px;
}

.page-news .cadence__step:nth-child(2) {
  border-left-color: var(--orange);
}

.page-news .cadence__step:nth-child(3) {
  border-left-color: var(--line);
}

.page-news .cadence__n {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--text-dim);
}

.page-news .cadence__step h3 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--text-hi);
}

.page-news .cadence__step p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-news .news-cta {
  margin-top: clamp(26px, 4vw, 42px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  border: 2px solid var(--line);
  background: linear-gradient(120deg, var(--cyan-deep), var(--ink-800) 58%, var(--ink-900));
  padding: clamp(18px, 3vw, 28px);
}

.page-news .news-cta__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(17px, 2.2vw, 21px);
  color: var(--text-hi);
}

.page-news .news-cta__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--text-dim);
  max-width: 62ch;
}

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

/* ===== 响应式 ===== */
@media (min-width: 640px) {
  .page-news .log-item__row {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 10px;
    align-items: start;
  }

  .page-news .log-item__key {
    padding-top: 3px;
  }
}

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

  .page-news .cadence {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(18px, 3vw, 30px);
  }

  .page-news .news-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 820px) {
  .page-news .notes-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news .mobile-grid {
    grid-template-columns: 1.05fr .95fr;
    gap: clamp(20px, 3vw, 32px);
  }
}

@media (min-width: 1000px) {
  .page-news .log-layout {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
  }

  .page-news .log-aside {
    position: sticky;
    top: 24px;
  }

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

@media (max-width: 560px) {
  .page-news .hero-stat__label {
    font-size: 11px;
  }

  .page-news .log-list {
    padding-left: 18px;
  }

  .page-news .log-item::before {
    left: -20px;
  }

  .page-news .log-item__stage {
    border-left: 0;
    padding-left: 0;
    flex-basis: 100%;
    order: 4;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .log-item,
  .page-news .cat-card,
  .page-news .log-item__mark {
    transition: none;
  }

  .page-news .log-item:hover,
  .page-news .cat-card:hover {
    transform: none;
  }
}
<<<END>>>