.page-news {
  --news-rail-w: 288px;
  --news-gap: clamp(28px, 4vw, 56px);
  background: var(--bg);
  color: var(--text-1);
}

/* ---------- 页头 ---------- */
.page-news .news-hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(28px, 5vw, 60px));
  overflow: hidden;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 62%;
  background: radial-gradient(120% 82% at 12% 0%, rgba(20, 80, 122, 0.58), transparent 62%);
  pointer-events: none;
}

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

.page-news .news-hero__title {
  margin: 16px 0 0;
  max-width: 15em;
  font-size: clamp(34px, 6.4vw, 72px);
  line-height: 1.06;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-1);
}

.page-news .news-hero__lede {
  margin: 24px 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 1.8;
  color: var(--text-2);
}

.page-news .news-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 20px clamp(28px, 6vw, 72px);
  margin: clamp(28px, 4vw, 48px) 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-fact {
  min-width: 130px;
}

.page-news .news-fact__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(22px, 2.6vw, 32px);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--gold-400);
}

.page-news .news-fact__label {
  display: block;
  margin-top: 4px;
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--text-3);
}

.page-news .news-hero__media {
  position: relative;
  margin: clamp(32px, 5vw, 60px) 0 0;
  height: clamp(150px, 22vw, 280px);
  overflow: hidden;
  border-top: 1px solid var(--hairline);
  background: var(--abyss-900);
}

.page-news .news-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.8;
}

/* ---------- 主体两栏 ---------- */
.page-news .news-board {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
  padding: clamp(40px, 6vw, 88px) 0 clamp(48px, 7vw, 96px);
}

@media (min-width: 960px) {
  .page-news .news-board {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
  }
}

/* ---------- 左侧筛选与索引 ---------- */
.page-news .news-rail__sticky {
  border-top: 2px solid var(--spark-400);
  padding-top: 18px;
}

@media (min-width: 960px) {
  .page-news .news-rail__sticky {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    max-height: calc(100vh - var(--header-h) - 48px);
    overflow-y: auto;
  }
}

.page-news .news-rail__title {
  margin: 10px 0 20px;
  font-size: var(--fs-21);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--text-1);
}

.page-news .news-filter {
  display: grid;
  gap: 6px;
  margin-bottom: 28px;
}

.page-news .news-filter__label {
  margin: 12px 0 4px;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--text-3);
}

.page-news .news-filter__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--text-2);
  background: rgba(7, 27, 43, 0.7);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  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(--spark-400);
  border-color: var(--hairline-strong);
}

.page-news .filter-chip[aria-pressed="true"] {
  color: var(--spark-400);
  border-color: var(--spark-400);
  background: rgba(52, 228, 214, 0.1);
}

.page-news .filter-count {
  font-size: var(--fs-12);
  color: var(--text-3);
}

.page-news .filter-chip[aria-pressed="true"] .filter-count {
  color: var(--gold-400);
}

.page-news .news-index {
  display: grid;
  border-top: 1px solid var(--hairline-soft);
  margin-top: 8px;
}

.page-news .news-index a {
  display: block;
  padding: 11px 0;
  font-size: var(--fs-14);
  color: var(--text-2);
  text-decoration: none;
  border-bottom: 1px solid var(--hairline-soft);
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-news .news-index a:hover,
.page-news .news-index a:focus-visible {
  color: var(--spark-400);
  padding-left: 6px;
}

.page-news .news-rail__note {
  margin: 22px 0 0;
  padding-left: 12px;
  border-left: 1px solid var(--hairline);
  font-size: var(--fs-12);
  line-height: 1.9;
  color: var(--text-3);
}

.page-news .news-rail__note .link-more {
  display: inline-block;
  margin-top: 8px;
  font-size: var(--fs-12);
}

/* ---------- 右侧列表 ---------- */
.page-news .news-stream__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--hairline);
}

.page-news .news-stream__title {
  margin: 0;
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-1);
}

.page-news .news-stream__count {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--text-3);
}

.page-news .log-list {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
  border-bottom: 1px solid var(--hairline);
}

.page-news .log-list::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 26px;
  bottom: 26px;
  width: 1px;
  background: var(--hairline);
}

.page-news .log-item {
  position: relative;
  padding-left: 22px;
  border-top: 1px solid var(--hairline-soft);
}

.page-news .log-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 26px;
  width: 7px;
  height: 7px;
  border: 1px solid var(--lake-400);
  background: var(--bg);
  transform: rotate(45deg);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-news .log-item:hover::before {
  border-color: var(--spark-400);
  background: var(--spark-400);
}

.page-news .log-item__detail {
  display: block;
}

.page-news .log-item__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 18px 0 16px;
  list-style: none;
  cursor: pointer;
  outline-offset: 4px;
}

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

.page-news .log-item__summary::marker {
  content: "";
}

.page-news .log-item__ver {
  order: 1;
  flex: 0 0 auto;
  padding: 2px 7px;
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--gold-400);
  border: 1px solid rgba(242, 193, 78, 0.42);
  border-radius: var(--radius);
}

.page-news .log-item__time {
  order: 2;
  margin-left: auto;
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--text-3);
  white-space: nowrap;
}

.page-news .log-item__time::after {
  content: "＋";
  display: inline-block;
  margin-left: 8px;
  color: var(--spark-400);
}

.page-news .log-item__detail[open] .log-item__time::after {
  content: "－";
}

.page-news .log-item__main {
  order: 3;
  flex: 1 1 100%;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  min-width: 0;
}

.page-news .log-item__title {
  font-size: clamp(16px, 1.6vw, 19px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-1);
  transition: color var(--dur) var(--ease);
}

.page-news .log-item__summary:hover .log-item__title {
  color: var(--spark-400);
}

.page-news .log-item__tags {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 6px;
}

@media (min-width: 720px) {
  .page-news .log-item__summary {
    flex-wrap: nowrap;
    align-items: baseline;
    gap: 20px;
  }

  .page-news .log-item__main {
    order: 2;
    flex: 1 1 auto;
    flex-wrap: wrap;
  }

  .page-news .log-item__time {
    order: 3;
    margin-left: 0;
    flex: 0 0 auto;
  }
}

.page-news .log-item__body {
  max-width: 64ch;
  padding: 0 0 22px;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--text-2);
}

.page-news .log-item__body p {
  margin: 0 0 12px;
}

.page-news .log-item__scope {
  margin: 0;
  padding-top: 10px;
  border-top: 1px solid var(--hairline-soft);
  font-size: var(--fs-12);
  line-height: 1.8;
  color: var(--text-3);
}

.page-news .log-item__scope .mono {
  margin-right: 8px;
  letter-spacing: 0.1em;
  color: var(--spark-400);
}

.page-news .news-stream__foot {
  margin: clamp(24px, 3vw, 36px) 0 0;
  max-width: 62ch;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--text-2);
}

.page-news .news-stream__foot + .link-more {
  display: inline-block;
  margin-top: 12px;
}

/* ---------- 标签基础样式 ---------- */
.page-news .tag {
  display: inline-block;
  padding: 2px 7px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--text-2);
  background: rgba(7, 27, 43, 0.6);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  white-space: nowrap;
}

/* ---------- 通用模块 ---------- */
.page-news .news-module {
  padding: clamp(52px, 7vw, 104px) 0;
  border-top: 1px solid var(--hairline);
}

.page-news .news-module--tight {
  padding: clamp(40px, 5vw, 72px) 0;
}

.page-news .news-module--lake {
  background: linear-gradient(180deg, var(--lake-800) 0%, var(--abyss-900) 100%);
  border-top-color: var(--hairline-soft);
}

.page-news .news-module__head {
  max-width: 900px;
}

.page-news .news-module__title {
  margin: 10px 0 0;
  font-size: clamp(26px, 3.4vw, 42px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-1);
}

.page-news .news-module__lede {
  margin: 16px 0 0;
  max-width: 68ch;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--text-2);
}

/* ---------- 四类标签 ---------- */
.page-news .tag-guide {
  display: grid;
  gap: var(--news-gap);
  margin-top: clamp(28px, 4vw, 48px);
}

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

.page-news .tag-guide__media {
  margin: 0;
}

.page-news .tag-guide__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--hairline);
  background: var(--abyss-900);
}

.page-news .tag-guide__caption {
  margin-top: 10px;
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--text-3);
}

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

.page-news .tag-guide__item {
  padding: 18px 0;
  border-top: 1px solid var(--hairline-soft);
}

.page-news .tag-guide__item:last-child {
  border-bottom: 1px solid var(--hairline-soft);
}

.page-news .tag-guide__term {
  margin: 0 0 8px;
  font-size: var(--fs-16);
  font-weight: 600;
  line-height: 1.6;
  color: var(--text-1);
}

.page-news .tag-guide__term .tag {
  margin-right: 10px;
  vertical-align: 2px;
}

.page-news .tag-guide__desc {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--text-2);
}

/* ---------- 专题系列 ---------- */
.page-news .series-cover {
  margin: clamp(28px, 4vw, 44px) 0 0;
  overflow: hidden;
  border: 1px solid var(--hairline);
  background: var(--abyss-900);
}

.page-news .series-cover img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(180px, 30vw, 360px);
  object-fit: cover;
  opacity: 0.86;
}

.page-news .series-grid {
  display: grid;
  gap: 1px;
  margin-top: clamp(24px, 3vw, 36px);
  background: var(--hairline-soft);
  border: 1px solid var(--hairline-soft);
}

@media (min-width: 860px) {
  .page-news .series-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-news .series-card {
  background: var(--abyss-950);
  transition: background-color var(--dur) var(--ease);
}

.page-news .series-card[open] {
  background: var(--abyss-900);
}

.page-news .series-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  padding: 20px 22px;
  list-style: none;
  cursor: pointer;
}

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

.page-news .series-card__head::marker {
  content: "";
}

.page-news .series-card__idx {
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--text-3);
}

.page-news .series-card__name {
  flex: 1 1 auto;
  margin: 0;
  font-size: var(--fs-21);
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-1);
}

.page-news .series-card__cycle {
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--gold-400);
  white-space: nowrap;
}

.page-news .series-card__body {
  padding: 0 22px 22px;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--text-2);
}

.page-news .series-card__body p {
  margin: 0;
}

/* ---------- 月度巡览 ---------- */
.page-news .monthly-chart {
  margin: clamp(28px, 4vw, 44px) 0 0;
}

.page-news .monthly-chart img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--hairline);
}

.page-news .monthly-list {
  margin: clamp(28px, 4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
}

.page-news .monthly-row {
  display: grid;
  gap: 8px 24px;
  padding: 20px 0;
  border-top: 1px solid var(--hairline-soft);
}

.page-news .monthly-row:last-child {
  border-bottom: 1px solid var(--hairline-soft);
}

@media (min-width: 780px) {
  .page-news .monthly-row {
    grid-template-columns: 130px minmax(0, 1fr) 110px;
    align-items: baseline;
  }
}

.page-news .monthly-row__name {
  margin: 0;
  font-size: var(--fs-21);
  font-weight: 700;
  color: var(--text-1);
}

.page-news .monthly-row__desc {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--text-2);
}

.page-news .monthly-row__tag {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--gold-400);
}

@media (min-width: 780px) {
  .page-news .monthly-row__tag {
    text-align: right;
  }
}

/* ---------- 历史回溯 ---------- */
.page-news .history-steps {
  display: grid;
  gap: 1px;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--hairline-soft);
  border: 1px solid var(--hairline-soft);
}

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

.page-news .history-step {
  padding: 22px;
  background: var(--abyss-950);
}

.page-news .history-step__idx {
  display: block;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--spark-400);
}

.page-news .history-step__title {
  margin: 10px 0 8px;
  font-size: var(--fs-16);
  font-weight: 700;
  line-height: 1.5;
  color: var(--text-1);
}

.page-news .history-step p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--text-2);
}

.page-news .history-note {
  margin: clamp(24px, 3vw, 34px) 0 0;
  padding-left: 14px;
  border-left: 1px solid var(--hairline);
  max-width: 66ch;
  font-size: var(--fs-14);
  line-height: 1.9;
  color: var(--text-2);
}

.page-news .history-note a {
  color: var(--spark-400);
  text-decoration: none;
  border-bottom: 1px solid var(--hairline-strong);
}

.page-news .history-note a:hover {
  color: var(--gold-400);
  border-bottom-color: var(--gold-400);
}

/* ---------- 收尾 ---------- */
.page-news .news-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px 32px;
}

.page-news .news-cta__text {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-1);
}

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

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-news .log-item::before,
  .page-news .log-item__title,
  .page-news .filter-chip,
  .page-news .news-index a,
  .page-news .series-card {
    transition: none;
  }

  .page-news .news-index a:hover,
  .page-news .news-index a:focus-visible {
    padding-left: 0;
  }
}
<<<END>>>