.page-news {
  --news-gutter: clamp(16px, 4.5vw, 44px);
  --news-max: 1180px;
  --news-card: rgba(10, 20, 36, 0.55);
  --news-hair: rgba(215, 222, 232, 0.16);
  display: block;
  background: var(--paper-50);
  color: var(--ink-950);
  font-family: var(--font-body);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumb {
  padding: 18px var(--news-gutter);
  background: var(--paper-50);
}

.page-news .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--slate-500);
}

.page-news .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--brass-500);
}

.page-news .breadcrumb__link {
  color: var(--slate-700);
  text-decoration: none;
}

.page-news .breadcrumb__link:hover {
  color: var(--brass-500);
}

/* ---------- 首屏框景 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 5vw, 58px) var(--news-gutter) clamp(34px, 6vw, 76px);
  background: var(--ink-950);
  color: var(--paper-50);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(215, 222, 232, 0.07) 0 1px, transparent 1px 54px),
    repeating-linear-gradient(0deg, rgba(215, 222, 232, 0.07) 0 1px, transparent 1px 54px);
  pointer-events: none;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--brass-500) 0%, var(--signal-500) 44%, rgba(232, 106, 43, 0) 82%);
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 30px;
  max-width: var(--news-max);
  margin: 0 auto;
}

.page-news .news-hero__copy {
  min-width: 0;
}

.page-news .kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brass-300);
}

.page-news .news-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(28px, 5.2vw, 50px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--paper-50);
}

.page-news .news-hero .lede {
  margin: 0;
  max-width: 56ch;
  font-size: clamp(14px, 1.6vw, 16px);
  line-height: 1.78;
  color: rgba(244, 246, 249, 0.82);
}

.page-news .news-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 26px 0 24px;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--news-hair);
}

.page-news .news-hero__stats li {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-left: 12px;
  border-left: 2px solid var(--brass-500);
}

.page-news .news-hero__stats .mono {
  font-family: var(--font-mono);
  font-size: clamp(15px, 3vw, 20px);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--paper-50);
}

.page-news .news-hero__stats em {
  font-style: normal;
  font-size: 11.5px;
  line-height: 1.4;
  color: var(--mist-200);
  opacity: 0.72;
}

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

.page-news .news-hero__figure {
  margin: 0;
  min-width: 0;
}

.page-news .news-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--r-lg);
  border: 1px solid rgba(217, 160, 102, 0.35);
  object-fit: cover;
}

/* ---------- 按钮 ---------- */
.page-news .btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .btn--solid {
  background: var(--brass-500);
  color: var(--ink-950);
}

.page-news .btn--solid:hover {
  background: var(--brass-300);
}

.page-news .btn--ghost {
  border-color: rgba(215, 222, 232, 0.4);
  color: var(--paper-50);
}

.page-news .btn--ghost:hover {
  border-color: var(--brass-300);
  color: var(--brass-300);
}

/* ---------- 通用分区骨架 ---------- */
.page-news .sec {
  padding: clamp(38px, 6vw, 78px) var(--news-gutter);
  background: var(--paper-50);
}

.page-news .sec__inner {
  display: grid;
  gap: 22px;
  max-width: var(--news-max);
  margin: 0 auto;
}

.page-news .sec__rail {
  display: none;
}

.page-news .sec__body {
  min-width: 0;
}

.page-news .sec .kicker {
  color: var(--brass-500);
  margin-bottom: 10px;
}

.page-news .section__head {
  max-width: 62ch;
}

.page-news .section__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.2vw, 30px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.015em;
  color: var(--ink-950);
}

.page-news .section__lede {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--slate-500);
}

/* ---------- 更新节奏 ---------- */
.page-news .pace {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.page-news .pace__item {
  padding: 22px 20px 20px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--brass-500);
  border-radius: var(--r-md);
  background: #fff;
}

.page-news .pace__freq {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--brass-500);
}

.page-news .pace__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink-950);
}

.page-news .pace__text {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate-700);
}

.page-news .pace__meta {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--slate-500);
}

/* ---------- 图片位 ---------- */
.page-news .media {
  margin: 30px 0 0;
}

.page-news .media__frame {
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-news .media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--r-md);
  object-fit: cover;
}

.page-news .media__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--slate-500);
}

/* ---------- 版本变动列表（深色区） ---------- */
.page-news .sec--log {
  background: var(--ink-900);
  color: var(--paper-50);
}

.page-news .sec--log .kicker {
  color: var(--brass-300);
}

.page-news .sec--log .section__title {
  color: var(--paper-50);
}

.page-news .sec--log .section__lede {
  color: var(--mist-200);
  opacity: 0.78;
}

.page-news .sec--log .media__caption {
  color: var(--mist-200);
  opacity: 0.6;
}

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 26px;
  padding: 14px 0;
  border-top: 1px solid var(--news-hair);
  border-bottom: 1px solid var(--news-hair);
}

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

.page-news .chip {
  padding: 8px 15px;
  border: 1px solid rgba(215, 222, 232, 0.28);
  border-radius: var(--r-pill);
  background: transparent;
  color: var(--mist-200);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .chip:hover {
  border-color: var(--brass-300);
  color: var(--brass-300);
}

.page-news .chip[aria-pressed="true"] {
  background: var(--signal-500);
  border-color: var(--signal-500);
  color: var(--ink-950);
  font-weight: 700;
}

.page-news .filter-count {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--mist-200);
  opacity: 0.66;
}

.page-news .vlist {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.page-news .vcard {
  border: 1px solid var(--news-hair);
  border-left: 3px solid rgba(183, 121, 60, 0.55);
  border-radius: var(--r-md);
  background: var(--news-card);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-news .vcard:hover {
  border-left-color: var(--brass-300);
}

.page-news .vcard[open] {
  background: var(--ink-950);
  border-left-color: var(--signal-500);
}

.page-news .vcard__summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 16px 18px;
  list-style: none;
  cursor: pointer;
}

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

.page-news .vcard__summary::marker {
  content: "";
}

.page-news .vcard__ver {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--brass-300);
}

.page-news .vcard__main {
  display: block;
  min-width: 0;
}

.page-news .vcard__title {
  display: block;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper-50);
}

.page-news .vcard__meta {
  display: block;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--mist-200);
  opacity: 0.62;
}

.page-news .vcard__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-news .tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border: 1px solid rgba(217, 160, 102, 0.45);
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  white-space: nowrap;
  color: var(--brass-300);
}

.page-news .tag--signal {
  background: var(--signal-500);
  border-color: var(--signal-500);
  color: var(--ink-950);
  font-weight: 700;
}

.page-news .vcard__body {
  padding: 0 18px 20px;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(244, 246, 249, 0.8);
}

.page-news .vcard__body p {
  margin: 0;
}

.page-news .vcard__impact {
  display: grid;
  gap: 8px;
  margin: 14px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--news-hair);
}

.page-news .vcard__impact > div {
  display: grid;
  gap: 2px;
}

.page-news .vcard__impact dt {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--brass-300);
}

.page-news .vcard__impact dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: rgba(244, 246, 249, 0.78);
}

/* ---------- 栏目序号跟进 ---------- */
.page-news .follow {
  display: grid;
  gap: 0;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-news .follow__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .follow__num {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--brass-500);
}

.page-news .follow__text h3 {
  margin: 0 0 6px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--ink-950);
}

.page-news .follow__text p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate-700);
}

/* ---------- 近期专题 ---------- */
.page-news .sec--topic {
  background: var(--mist-200);
}

.page-news .topics {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.page-news .topic {
  padding: 20px 18px 18px;
  border: 1px solid rgba(43, 59, 82, 0.14);
  border-radius: var(--r-md);
  background: var(--paper-50);
}

.page-news .topic__num {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--brass-500);
}

.page-news .topic__title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-950);
}

.page-news .topic p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--slate-700);
}

.page-news .topic__meta {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--slate-500);
}

/* ---------- 继续查 ---------- */
.page-news .sec--next {
  position: relative;
  overflow: hidden;
  background: var(--ink-950);
  color: var(--paper-50);
}

.page-news .sec--next::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(45deg, rgba(215, 222, 232, 0.045) 0 1px, transparent 1px 26px);
  pointer-events: none;
}

.page-news .sec--next .sec__inner {
  position: relative;
  z-index: 1;
}

.page-news .sec--next .kicker {
  color: var(--brass-300);
}

.page-news .sec--next .section__title {
  color: var(--paper-50);
}

.page-news .next {
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid rgba(183, 121, 60, 0.5);
  border-radius: var(--r-lg);
  background: linear-gradient(135deg, rgba(183, 121, 60, 0.16), rgba(10, 20, 36, 0) 68%);
}

.page-news .next__text {
  margin: 14px 0 0;
  max-width: 66ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(244, 246, 249, 0.82);
}

.page-news .next__link {
  color: var(--brass-300);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .next__link:hover {
  color: var(--paper-50);
}

.page-news .next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 0;
}

.page-news .next .note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--news-hair);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist-200);
  opacity: 0.72;
  word-break: break-word;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-news .pace {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 780px) {
  .page-news .vcard__summary {
    grid-template-columns: 118px minmax(0, 1fr) auto;
    align-items: center;
    gap: 20px;
    padding: 18px 22px;
  }

  .page-news .vcard__body {
    padding: 0 22px 22px;
  }

  .page-news .vcard__impact > div {
    grid-template-columns: 86px minmax(0, 1fr);
    align-items: baseline;
    gap: 14px;
  }
}

@media (min-width: 820px) {
  .page-news .follow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 44px;
  }
}

@media (min-width: 920px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: center;
    gap: 52px;
  }

  .page-news .sec__inner {
    grid-template-columns: 62px minmax(0, 1fr);
    column-gap: 40px;
    align-items: start;
  }

  .page-news .sec__rail {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding-top: 8px;
  }

  .page-news .sec__num {
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--brass-500);
  }

  .page-news .sec__line {
    flex: 1 1 auto;
    width: 1px;
    min-height: 56px;
    background: linear-gradient(180deg, rgba(183, 121, 60, 0.7), rgba(183, 121, 60, 0));
  }

  .page-news .sec--log .sec__num,
  .page-news .sec--next .sec__num {
    color: var(--brass-300);
  }

  .page-news .sec--log .sec__line,
  .page-news .sec--next .sec__line {
    background: linear-gradient(180deg, rgba(217, 160, 102, 0.65), rgba(217, 160, 102, 0));
  }
}

@media (min-width: 1000px) {
  .page-news .vlist > .vcard:nth-child(3n + 2) {
    margin-left: 34px;
  }

  .page-news .vlist > .vcard:nth-child(3n) {
    margin-left: 68px;
  }
}

@media (min-width: 1080px) {
  .page-news .topics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .btn,
  .page-news .chip,
  .page-news .vcard {
    transition: none;
  }
}

已完成。main_html 与 page_css 按标记顺序同步输出，页面作用域限定在 .page-news，沿用了墨蓝深色骨架、铜金序号与信号橙强调，采用左侧序号轨道加右侧错位版本档案的层叠目录布局，并落地了标签筛选、卡片展开与四条图片位。