.page-news {
  --rail-w: 132px;
  --rail-gap: 40px;
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* 面包屑 */
.page-news .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 16px 0 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--muted);
}
.page-news .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 6px;
  color: var(--grid);
}
.page-news .breadcrumb-item a {
  color: var(--muted);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}
.page-news .breadcrumb-item a:hover,
.page-news .breadcrumb-item a:focus-visible {
  color: var(--cyan);
}
.page-news .breadcrumb-current {
  color: var(--text);
}

/* 首屏 */
.page-news .news-masthead {
  position: relative;
  overflow: hidden;
  margin-top: 16px;
  padding: clamp(36px, 6vw, 76px) 0 clamp(36px, 5.5vw, 68px);
  border-top: 1px solid var(--grid);
  border-bottom: 1px solid var(--grid);
  background:
    radial-gradient(120% 140% at 88% -10%, rgba(55, 242, 210, .18), transparent 58%),
    radial-gradient(90% 120% at 4% 112%, rgba(255, 122, 26, .13), transparent 62%),
    var(--ink-800);
}
.page-news .news-masthead::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, var(--grid-soft) 1px, transparent 1px),
    linear-gradient(0deg, var(--grid-soft) 1px, transparent 1px);
  background-size: 88px 88px;
  opacity: .32;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
}
.page-news .news-masthead-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 4vw, 44px);
}
.page-news .news-h1 {
  margin: 14px 0 0;
  max-width: 16em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 6.2vw, 74px);
  line-height: 1.04;
  letter-spacing: -.02em;
  color: var(--text);
  overflow-wrap: break-word;
}
.page-news .news-h1 span {
  display: block;
  color: var(--cyan);
}
.page-news .news-lede {
  margin: 22px 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.78;
  color: var(--text);
  opacity: .82;
}
.page-news .masthead-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
  margin-top: 28px;
}

/* 首屏速览面板 */
.page-news .masthead-panel {
  padding: 22px 22px 24px;
  border: 1px solid var(--cyan-24);
  border-top: 2px solid var(--cyan);
  background: rgba(13, 33, 56, .55);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.page-news .masthead-panel-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--muted);
}
.page-news .masthead-panel-num {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(40px, 6vw, 58px);
  line-height: 1;
  letter-spacing: .05em;
  color: var(--cyan);
}
.page-news .masthead-panel-label {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text);
  opacity: .78;
}
.page-news .masthead-panel-list {
  margin: 18px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--grid-soft);
  display: grid;
  gap: 9px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
}
.page-news .masthead-panel-list span {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--orange);
  margin-right: 6px;
}

/* 主体两栏 */
.page-news .news-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
  margin-top: clamp(32px, 5vw, 60px);
}
.page-news .news-rail {
  align-self: start;
  min-width: 0;
  border-top: 2px solid var(--cyan);
  padding-top: 12px;
}
.page-news .rail-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--muted);
}
.page-news .rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}
.page-news .rail-list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 0;
  font-size: 13px;
  line-height: 1.4;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}
.page-news .rail-list a:hover,
.page-news .rail-list a:focus-visible {
  color: var(--cyan);
}
.page-news .rail-list .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--grid);
}

/* 章节 */
.page-news .news-stream {
  min-width: 0;
  display: grid;
  gap: 0;
}
.page-news .news-section {
  padding: clamp(30px, 4.5vw, 56px) 0;
  border-top: 1px solid var(--grid-soft);
  scroll-margin-top: 90px;
}
.page-news .news-section:first-child {
  border-top: 0;
  padding-top: 0;
}
.page-news .section-head {
  margin-bottom: clamp(18px, 2.6vw, 28px);
}
.page-news .section-sub {
  margin: 12px 0 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

/* 条目列表 */
.page-news .story-list {
  border-top: 1px solid var(--grid);
}
.page-news .story-row {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 0 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--grid-soft);
}
.page-news .story-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
  padding-top: 5px;
}
.page-news .story-main {
  min-width: 0;
}
.page-news .story-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 9px;
}
.page-news .story-tag {
  display: inline-block;
  padding: 2px 9px;
  border: 1px solid var(--cyan-45);
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--cyan);
  white-space: nowrap;
}
.page-news .story-tag--done {
  border-color: rgba(91, 227, 138, .5);
  color: var(--green);
}
.page-news .story-tag--amber {
  border-color: rgba(245, 196, 81, .5);
  color: var(--amber);
}
.page-news .story-time {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--muted);
}
.page-news .story-heading {
  margin: 0;
  font-size: 0;
  font-weight: 400;
}
.page-news .story-trigger {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  width: 100%;
  padding: 0;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2.1vw, 21px);
  line-height: 1.42;
  color: var(--text);
  transition: color var(--dur) var(--ease);
}
.page-news .story-trigger:hover,
.page-news .story-trigger:focus-visible {
  color: var(--cyan);
}
.page-news .story-trigger::after {
  content: "+";
  flex: none;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 400;
  line-height: 1.4;
  color: var(--cyan);
  transition: transform var(--dur) var(--ease);
}
.page-news .story-trigger[aria-expanded="true"]::after {
  content: "\2212";
}
.page-news .story-excerpt {
  margin: 9px 0 0;
  max-width: 66ch;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}
.page-news .story-panel {
  margin-top: 14px;
  padding: 16px 18px;
  border-left: 2px solid var(--cyan);
  background: rgba(13, 33, 56, .72);
  font-size: 14px;
  line-height: 1.78;
  color: var(--text);
}
.page-news .story-panel p {
  margin: 0 0 10px;
}
.page-news .story-panel p:last-of-type {
  margin-bottom: 0;
}
.page-news .story-panel[hidden] {
  display: none;
}
.page-news .story-link {
  display: inline-block;
  margin-top: 12px;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-45);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-news .story-link:hover,
.page-news .story-link:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* 版本观察时间轴 */
.page-news .version-track {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0 0 0 20px;
  display: grid;
  gap: clamp(22px, 3vw, 30px);
}
.page-news .version-track::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan) 0%, var(--grid) 55%, transparent 100%);
}
.page-news .version-node {
  position: relative;
  min-width: 0;
}
.page-news .version-node::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 6px;
  width: 10px;
  height: 10px;
  border: 2px solid var(--cyan);
  border-radius: 50%;
  background: var(--ink-800);
  box-shadow: 0 0 0 4px rgba(55, 242, 210, .12);
}
.page-news .version-tag {
  display: inline-block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--orange);
}
.page-news .version-copy h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.4;
  color: var(--text);
}
.page-news .version-copy p {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

/* 图片容器 */
.page-news .news-figure-frame {
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 10px;
  border: 1px solid var(--grid);
  background: var(--ink-700);
}
.page-news .news-figure-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--ink-900);
}
.page-news .news-figure-frame figcaption {
  margin-top: 10px;
  font-family: var(--font-serif);
  font-size: 12px;
  line-height: 1.65;
  color: var(--muted);
}

/* 活动归档 */
.page-news .archive-layout {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}
.page-news .archive-list {
  display: grid;
  min-width: 0;
}
.page-news .archive-item {
  padding: 18px 0;
  border-bottom: 1px solid var(--grid-soft);
}
.page-news .archive-item:first-child {
  padding-top: 0;
}
.page-news .archive-item h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(16px, 1.9vw, 19px);
  line-height: 1.4;
  color: var(--text);
}
.page-news .archive-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}
.page-news .archive-figure {
  margin-top: 0;
}
.page-news .archive-item .story-link {
  margin-top: 10px;
}

/* 宽幅氛围带 */
.page-news .news-banner {
  margin: clamp(28px, 4vw, 40px) 0;
  padding: 0;
}
.page-news .news-banner img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--ink-900);
  filter: saturate(.9);
}
.page-news .news-banner figcaption {
  margin-top: 10px;
  padding-left: 10px;
  border-left: 2px solid var(--cyan-45);
  font-family: var(--font-serif);
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

/* 内容目录 */
.page-news .catalog-rows {
  list-style: none;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
}
.page-news .catalog-rows li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--grid-soft);
}
.page-news .catalog-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--cyan);
}
.page-news .catalog-body h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(16px, 1.9vw, 19px);
  color: var(--text);
}
.page-news .catalog-body p {
  margin: 0;
  max-width: 64ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* 导出技巧 */
.page-news .tip-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-news .tip-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 0 16px;
  padding: 20px 0;
  border-top: 1px solid var(--grid-soft);
}
.page-news .tip-item:first-child {
  border-top: 1px solid var(--grid);
}
.page-news .tip-num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 26px;
  line-height: 1;
  letter-spacing: .06em;
  color: var(--orange);
}
.page-news .tip-body {
  min-width: 0;
}
.page-news .tip-body h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(16px, 1.9vw, 19px);
  color: var(--text);
}
.page-news .tip-body p {
  margin: 0;
  max-width: 64ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* 栏目索引 */
.page-news .index-links {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-news .index-links li:first-child a {
  border-top: 1px solid var(--grid);
}
.page-news .index-links a {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  grid-template-areas:
    "num title"
    "num desc";
  gap: 3px 14px;
  padding: 16px 0;
  border-top: 1px solid var(--grid-soft);
  text-decoration: none;
  color: var(--text);
  transition: background-color var(--dur) var(--ease);
}
.page-news .index-links a:hover .index-links-title,
.page-news .index-links a:focus-visible .index-links-title {
  color: var(--cyan);
}
.page-news .index-links-num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
  padding-top: 4px;
}
.page-news .index-links-title {
  grid-area: title;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.4;
  transition: color var(--dur) var(--ease);
}
.page-news .index-links-desc {
  grid-area: desc;
  font-size: 13px;
  line-height: 1.62;
  color: var(--muted);
}

/* 收尾 */
.page-news .news-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px 24px;
  margin-top: clamp(24px, 3vw, 34px);
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--grid);
  border-left: 3px solid var(--orange);
  background: var(--ink-700);
}
.page-news .news-cta p {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
}

/* 平板及以上 */
@media (min-width: 760px) {
  .page-news .catalog-rows li {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 0 16px;
    align-items: start;
  }
  .page-news .catalog-label {
    padding-top: 3px;
  }
}

@media (min-width: 900px) {
  .page-news .news-masthead-inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, .85fr);
    align-items: end;
    gap: 48px;
  }
  .page-news .archive-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-news .news-body {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    gap: var(--rail-gap);
  }
  .page-news .news-rail {
    position: sticky;
    top: 96px;
  }
}

/* 窄屏 */
@media (max-width: 959px) {
  .page-news .news-rail {
    border-top-width: 1px;
    padding-top: 10px;
  }
  .page-news .rail-list {
    grid-auto-flow: column;
    grid-auto-columns: max-content;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: none;
  }
  .page-news .rail-list::-webkit-scrollbar {
    display: none;
  }
  .page-news .rail-list a {
    padding: 6px 12px;
    border: 1px solid var(--grid);
    border-radius: 999px;
    font-size: 12px;
    white-space: nowrap;
  }
}

@media (max-width: 560px) {
  .page-news .story-row {
    grid-template-columns: 24px minmax(0, 1fr);
    gap: 0 10px;
    padding: 18px 0;
  }
  .page-news .story-trigger {
    font-size: 16px;
  }
  .page-news .tip-item {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 0 12px;
  }
  .page-news .tip-num {
    font-size: 22px;
  }
  .page-news .index-links a {
    grid-template-columns: 30px minmax(0, 1fr);
    gap: 3px 10px;
  }
  .page-news .masthead-panel {
    padding: 18px;
  }
}
<<<PAGE_CSS_END>>>