.page-news {
  --news-rail: 268px;
  --news-gap: clamp(20px, 3vw, 32px);
  background: var(--ink-900);
  color: var(--white);
  overflow-x: clip;
}

.page-news .section {
  padding: clamp(36px, 6vw, 72px) 0;
}

.page-news a {
  color: var(--cyan);
  text-decoration: none;
}

.page-news a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 首屏 ---------- */

.page-news .news-masthead {
  position: relative;
  padding: clamp(20px, 3vw, 36px) 0 clamp(26px, 4vw, 46px);
  background:
    radial-gradient(115% 85% at 84% -20%, rgba(25, 230, 255, 0.18), transparent 62%),
    repeating-linear-gradient(180deg, rgba(25, 230, 255, 0.05) 0 1px, transparent 1px 6px),
    var(--ink-900);
  border-bottom: 1px solid var(--line);
}

.page-news .news-masthead .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-news .masthead-grid {
  gap: clamp(22px, 3vw, 40px);
}

.page-news .masthead-copy h1 {
  margin: 10px 0 0;
  font-size: clamp(34px, 8.6vw, 84px);
  line-height: 1.02;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--white);
  text-shadow: 0 0 30px rgba(25, 230, 255, 0.26);
}

.page-news .masthead-copy h1 span {
  display: block;
  color: var(--cyan);
}

.page-news .masthead-lede {
  max-width: 620px;
  margin: clamp(16px, 2vw, 24px) 0 0;
  color: var(--silver);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
}

.page-news .masthead-panel {
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  background: linear-gradient(160deg, var(--ink-700), var(--ink-850) 70%);
  padding: clamp(16px, 2vw, 22px);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.45);
}

.page-news .masthead-panel__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-news .masthead-panel__rows {
  margin: 0;
}

.page-news .masthead-panel__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
}

.page-news .masthead-panel__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-news .masthead-panel__row dt {
  color: var(--silver);
  font-size: 13px;
}

.page-news .masthead-panel__row dd {
  margin: 0;
  color: var(--white);
  font-size: 13px;
  text-align: right;
}

/* ---------- 置顶条 ---------- */

.page-news .pinboard {
  padding: clamp(20px, 3vw, 32px) 0 0;
}

.page-news .pinboard__card {
  position: relative;
  padding: clamp(18px, 3vw, 30px);
  border: 1px solid rgba(255, 184, 0, 0.5);
  background:
    linear-gradient(180deg, rgba(255, 184, 0, 0.16), rgba(255, 184, 0, 0.03) 72%),
    var(--ink-850);
  box-shadow: 0 0 0 1px rgba(255, 184, 0, 0.1), 0 24px 60px rgba(0, 0, 0, 0.5);
}

.page-news .pinboard__card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 56px;
  height: 56px;
  background: linear-gradient(225deg, rgba(255, 184, 0, 0.3) 50%, transparent 50%);
  pointer-events: none;
}

.page-news .pinboard__tag {
  margin: 0 0 10px;
}

.page-news .pinboard__card h2 {
  margin: 0;
  font-size: clamp(20px, 3.2vw, 28px);
  line-height: 1.25;
  color: var(--white);
}

.page-news .pinboard__list {
  list-style: none;
  margin: 18px 0 22px;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-news .pinboard__list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.page-news .pinboard__num {
  color: var(--amber);
  font-size: 13px;
  letter-spacing: 0.08em;
  padding-top: 3px;
}

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

.page-news .pinboard__list strong {
  color: var(--white);
}

@media (min-width: 900px) {
  .page-news .pinboard__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
}

/* ---------- 通栏图 ---------- */

.page-news .news-banner {
  margin: clamp(26px, 4vw, 48px) 0 0;
  position: relative;
  background: var(--ink-850);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-news .news-banner img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 460px;
  object-fit: cover;
}

.page-news .news-banner::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 100%;
  pointer-events: none;
  background: repeating-linear-gradient(180deg, rgba(8, 11, 16, 0.22) 0 1px, transparent 1px 5px);
  opacity: 0.55;
}

.page-news .news-banner figcaption {
  padding: 12px 5vw;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--silver);
  border-top: 1px solid var(--line);
}

/* ---------- 公告板主体 ---------- */

.page-news .news-board__grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

@media (min-width: 960px) {
  .page-news .news-board__grid {
    grid-template-columns: minmax(0, var(--news-rail)) minmax(0, 1fr);
    align-items: start;
  }
}

.page-news .cat-rail {
  border: 1px solid var(--line);
  background: var(--ink-850);
  padding: clamp(16px, 2vw, 22px);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
}

@media (min-width: 960px) {
  .page-news .cat-rail {
    position: sticky;
    top: calc(var(--header-h) + 18px);
  }
}

.page-news .cat-rail h2 {
  margin: 6px 0 14px;
  font-size: clamp(18px, 2.4vw, 22px);
  color: var(--white);
}

.page-news .cat-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-news .cat-rail__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 11px 10px;
  border: 1px solid transparent;
  color: var(--white);
  font-size: 14px;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .cat-rail__link:hover,
.page-news .cat-rail__link:focus-visible {
  background: rgba(25, 230, 255, 0.09);
  border-color: rgba(25, 230, 255, 0.4);
}

.page-news .cat-rail__no {
  color: var(--cyan);
  font-size: 12px;
}

.page-news .cat-rail__count {
  color: var(--silver);
  font-size: 12px;
}

.page-news .cat-rail__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--silver);
}

.page-news .cat-rail__more {
  margin: 10px 0 0;
  font-size: 13px;
}

.page-news .log-list__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
  margin-bottom: 16px;
}

.page-news .log-list__head h2 {
  margin: 0;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.15;
  color: var(--white);
}

.page-news .log-list__stamp {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--silver);
}

.page-news .log-list__media {
  position: relative;
  margin: 0 0 18px;
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-news .log-list__media img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 300px;
  object-fit: cover;
}

.page-news .log-list__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(180deg, rgba(8, 11, 16, 0.3) 0 1px, transparent 1px 4px);
  opacity: 0.45;
}

/* ---------- 日志行 ---------- */

.page-news .logs {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .log {
  position: relative;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .log__head {
  list-style: none;
  cursor: pointer;
  position: relative;
  display: grid;
  gap: 6px 14px;
  padding: 15px 42px 15px 12px;
  transition: background 0.18s var(--ease);
}

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

.page-news .log__head:hover {
  background: rgba(25, 230, 255, 0.06);
}

@media (min-width: 760px) {
  .page-news .log__head {
    grid-template-columns: 96px 112px minmax(0, 1fr);
    align-items: baseline;
  }
}

.page-news .log__time {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--amber);
  white-space: nowrap;
}

.page-news .log__tag {
  justify-self: start;
  font-size: 12px;
  white-space: nowrap;
}

.page-news .log__tag--version {
  color: var(--cyan);
  border-color: rgba(25, 230, 255, 0.45);
}

.page-news .log__tag--maint {
  color: var(--silver);
  border-color: rgba(167, 176, 191, 0.45);
}

.page-news .log__tag--data {
  color: var(--magenta);
  border-color: rgba(255, 46, 136, 0.45);
}

.page-news .log__tag--coop {
  color: var(--amber);
  border-color: rgba(255, 184, 0, 0.45);
}

.page-news .log__title {
  font-size: 15px;
  line-height: 1.6;
  font-weight: 600;
  color: var(--white);
}

.page-news .log__head::after {
  content: "+";
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--cyan);
}

.page-news .log[open] > .log__head {
  background: linear-gradient(90deg, rgba(25, 230, 255, 0.12), transparent 78%);
}

.page-news .log[open] > .log__head::after {
  content: "–";
}

.page-news .log[open] .log__title {
  color: var(--cyan);
}

.page-news .log__body {
  padding: 2px 16px 20px 14px;
  margin-left: 12px;
  border-left: 2px solid rgba(25, 230, 255, 0.4);
  color: var(--silver);
  font-size: 14px;
  line-height: 1.8;
}

.page-news .log__body p {
  margin: 0 0 10px;
}

.page-news .log__body .log__meta {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.04em;
  opacity: 0.85;
}

.page-news .log__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 0;
}

.page-news .log__links a {
  font-size: 13px;
  color: var(--cyan);
  border-bottom: 1px solid rgba(25, 230, 255, 0.4);
}

/* ---------- 阶段推进 ---------- */

.page-news .phase {
  background:
    linear-gradient(180deg, rgba(25, 230, 255, 0.06), transparent 42%),
    var(--ink-850);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-news .section-head {
  max-width: 720px;
  margin: 0 0 clamp(22px, 3vw, 34px);
}

.page-news .section-head h2 {
  margin: 8px 0 10px;
  font-size: clamp(24px, 4.2vw, 42px);
  line-height: 1.12;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-news .section-head p {
  margin: 0;
  color: var(--silver);
  font-size: 15px;
  line-height: 1.8;
}

.page-news .phase__grid {
  display: grid;
  gap: var(--news-gap);
  margin-bottom: clamp(24px, 4vw, 40px);
}

@media (min-width: 900px) {
  .page-news .phase__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
  }
}

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

.page-news .phase__media img {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .phase__track-wrap {
  border: 1px solid var(--line);
  background: var(--ink-800);
  padding: clamp(14px, 2vw, 22px);
}

.page-news .phase-track {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .phase-track__base {
  stroke: var(--line);
  stroke-width: 2;
  stroke-dasharray: 6 6;
}

.page-news .phase-track__node circle {
  stroke-width: 2;
}

.page-news .phase-track__done circle {
  fill: var(--cyan);
  stroke: var(--cyan);
}

.page-news .phase-track__now circle {
  fill: var(--amber);
  stroke: var(--amber);
}

.page-news .phase-track__next circle {
  fill: var(--ink-700);
  stroke: var(--silver);
}

.page-news .phase-track text {
  fill: var(--silver);
  font-family: var(--font-mono);
  font-size: 15px;
}

.page-news .phase__legend {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 12px 0 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--silver);
}

.page-news .phase__legend li {
  display: flex;
  align-items: center;
  gap: 7px;
}

.page-news .dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.page-news .dot--done {
  background: var(--cyan);
}

.page-news .dot--now {
  background: var(--amber);
  box-shadow: 0 0 10px rgba(255, 184, 0, 0.7);
}

.page-news .dot--next {
  background: transparent;
  border: 1px solid var(--silver);
}

.page-news .phase__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

@media (min-width: 700px) {
  .page-news .phase__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .page-news .phase__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-news .phase__step {
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  background: var(--ink-800);
  padding: 14px 16px;
}

.page-news .phase__step--done {
  border-left-color: var(--cyan);
}

.page-news .phase__step--now {
  border-left-color: var(--amber);
  background: linear-gradient(120deg, rgba(255, 184, 0, 0.12), transparent 70%), var(--ink-800);
}

.page-news .phase__step--next {
  border-left-color: var(--silver);
}

.page-news .phase__stage {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--silver);
}

.page-news .phase__step h3 {
  margin: 0 0 6px;
  font-size: 17px;
  color: var(--white);
}

.page-news .phase__step p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--silver);
}

/* ---------- 跟上方式 ---------- */

.page-news .follow__grid {
  gap: var(--news-gap);
}

.page-news .follow__card {
  position: relative;
  border: 1px solid var(--line);
  background: var(--ink-850);
  padding: clamp(16px, 2.4vw, 24px);
}

.page-news .follow__card p {
  margin: 0;
  color: var(--silver);
  font-size: 14px;
  line-height: 1.8;
}

.page-news .follow__card .follow__no {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-news .follow__card h3 {
  margin: 0 0 8px;
  font-size: 18px;
  color: var(--white);
}

/* ---------- 历史归档 ---------- */

.page-news .archive__list {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-news .archive-band {
  border: 1px solid var(--line);
  background: var(--ink-850);
}

.page-news .archive-band__head {
  list-style: none;
  cursor: pointer;
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  padding: 14px 42px 14px 16px;
  border-left: 3px solid var(--line);
}

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

.page-news .archive-band[open] > .archive-band__head {
  border-left-color: var(--magenta);
  background: linear-gradient(90deg, rgba(255, 46, 136, 0.12), transparent 72%);
}

.page-news .archive-band__stage {
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--white);
}

.page-news .archive-band__label {
  font-size: 12px;
  color: var(--silver);
}

.page-news .archive-band__head::after {
  content: "+";
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--cyan);
}

.page-news .archive-band[open] > .archive-band__head::after {
  content: "–";
}

.page-news .archive-band__items {
  list-style: none;
  margin: 0;
  padding: 4px 16px 18px;
  display: grid;
  gap: 10px;
  border-left: 3px solid rgba(255, 46, 136, 0.4);
}

.page-news .archive-band__items li {
  display: grid;
  gap: 2px 14px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-news .archive-band__items li:last-child {
  border-bottom: 0;
}

@media (min-width: 700px) {
  .page-news .archive-band__items li {
    grid-template-columns: 110px minmax(0, 1fr);
    align-items: baseline;
  }
}

.page-news .archive-band__items span {
  font-size: 12px;
  color: var(--amber);
}

.page-news .archive-band__items p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--silver);
}

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

.page-news .archive__media img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
}

.page-news .archive__media figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--silver);
}

@media (prefers-reduced-motion: reduce) {
  .page-news .log__head,
  .page-news .cat-rail__link {
    transition: none;
  }
}
<<<END>>>