.page-news {
  --news-panel-soft: rgba(17, 26, 46, 0.62);
  --news-row-line: rgba(27, 42, 68, 0.9);
  padding-bottom: clamp(40px, 7vw, 90px);
}

.page-news .breadcrumb {
  padding-top: clamp(18px, 3vw, 28px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

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

.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  color: var(--cyan);
}

.page-news .breadcrumb-sep {
  margin: 0 8px;
  color: var(--line);
}

/* ---------- hero ---------- */
.page-news .news-hero {
  padding: clamp(26px, 5vw, 54px) 0 clamp(28px, 4vw, 46px);
  border-bottom: 1px solid var(--line);
  position: relative;
}

.page-news .news-hero h1 {
  margin: 18px 0 0;
  font-size: var(--fs-h1);
  line-height: 1.02;
  letter-spacing: -0.04em;
  font-weight: 900;
  max-width: 18ch;
}

.page-news .news-hero__lead {
  margin: 20px 0 0;
  max-width: 52ch;
  color: var(--muted);
}

.page-news .news-hero__metrics {
  margin-top: clamp(26px, 4vw, 44px);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .metric {
  background: var(--ink-900);
  padding: 16px 16px 18px;
}

.page-news .metric__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(24px, 4vw, 34px);
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.page-news .metric__label {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- 通用区块 ---------- */
.page-news .section-head {
  max-width: 60ch;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-news .section-head h2 {
  margin: 14px 0 0;
  font-size: var(--fs-h2);
  line-height: 1.1;
  letter-spacing: -0.035em;
  font-weight: 900;
}

.page-news .section-head__note {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.75;
}

.page-news .news-media {
  margin: clamp(26px, 4vw, 44px) 0 0;
}

.page-news .news-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--ink-800);
}

.page-news .news-media figcaption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- 公告信息板 ---------- */
.page-news .board {
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  position: relative;
  overflow: hidden;
}

.page-news .board::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 60% at 100% 0%, rgba(54, 224, 232, 0.09), transparent 60%);
  pointer-events: none;
}

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

.page-news .board__list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  z-index: 1;
}

.page-news .board-row {
  border-bottom: 1px solid var(--news-row-line);
}

.page-news .board-row:last-child {
  border-bottom: 0;
}

.page-news .board-row details {
  transition: background 0.25s var(--ease);
}

.page-news .board-row details[open] {
  background: var(--news-panel-soft);
}

.page-news .board-row summary {
  display: grid;
  grid-template-columns: auto 1fr 18px;
  grid-template-areas:
    "time tag more"
    "title title title";
  align-items: center;
  gap: 6px 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

.page-news .board-row summary::-webkit-details-marker {
  display: none;
}

.page-news .board-row summary:hover,
.page-news .board-row summary:focus-visible {
  background: rgba(36, 91, 255, 0.1);
  outline: none;
}

.page-news .board-row__time {
  grid-area: time;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
  white-space: nowrap;
}

.page-news .board-row summary .tag {
  grid-area: tag;
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  font-size: 11px;
  letter-spacing: 0.1em;
}

.page-news .board-row .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  display: inline-block;
}

.page-news .board-row__title {
  grid-area: title;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--text);
}

.page-news .board-row__more {
  grid-area: more;
  justify-self: end;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--cyan);
}

.page-news .board-row__more::after {
  content: "+";
}

.page-news .board-row details[open] .board-row__more::after {
  content: "−";
}

.page-news .board-row__body {
  padding: 0 16px 18px;
}

.page-news .board-row__body p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 62ch;
}

.page-news .board-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(54, 224, 232, 0.4);
  padding-bottom: 2px;
}

.page-news .board-link:hover,
.page-news .board-link:focus-visible {
  color: var(--text);
  border-color: var(--text);
}

/* ---------- 版本时间线 ---------- */
.page-news .timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 22px;
  position: relative;
}

.page-news .timeline::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), var(--cobalt) 55%, var(--line));
}

.page-news .timeline__item {
  position: relative;
  padding: 0 0 clamp(24px, 4vw, 38px) 4px;
}

.page-news .timeline__item:last-child {
  padding-bottom: 0;
}

.page-news .timeline__marker {
  position: absolute;
  left: -22px;
  top: 4px;
  width: 9px;
  height: 9px;
  border: 1px solid var(--cyan);
  background: var(--ink-900);
  transform: rotate(45deg);
  box-shadow: 0 0 0 3px rgba(54, 224, 232, 0.12);
}

.page-news .timeline__time {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-news .timeline__title {
  margin: 8px 0 0;
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.35;
}

.page-news .timeline__text {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 62ch;
}

/* ---------- 维护通知 ---------- */
.page-news .maint-grid {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  grid-template-columns: minmax(0, 1fr);
}

.page-news .maint-item {
  padding: 16px 0 18px;
  border-top: 1px solid var(--line);
}

.page-news .maint-item:first-child {
  border-top: 1px solid var(--line-soft);
}

.page-news .maint-item__label {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--orange);
  text-transform: uppercase;
}

.page-news .maint-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .maint-item p + p {
  margin-top: 8px;
}

.page-news .news-media--maint {
  margin: 0;
}

/* ---------- 资料上新 ---------- */
.page-news .docs-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  grid-template-columns: minmax(0, 1fr);
}

.page-news .docs-cell {
  background: var(--ink-900);
  padding: 22px 18px;
  position: relative;
}

.page-news .docs-cell--a {
  box-shadow: inset 3px 0 0 var(--cobalt);
}

.page-news .docs-cell--b {
  box-shadow: inset 3px 0 0 var(--cyan);
}

.page-news .docs-cell--c {
  box-shadow: inset 3px 0 0 var(--green);
}

.page-news .docs-cell--d {
  box-shadow: inset 3px 0 0 var(--orange);
}

.page-news .docs-cell__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-news .docs-cell__count {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-news .docs-cell__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .docs-cell__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}

.page-news .docs-cell__list li {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text);
  padding: 7px 0 7px 14px;
  position: relative;
  border-top: 1px solid var(--line-soft);
}

.page-news .docs-cell__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  width: 5px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 专题系列 ---------- */
.page-news .series-grid {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
  grid-template-columns: minmax(0, 1fr);
}

.page-news .series {
  border-top: 2px solid var(--cobalt);
  padding: 18px 0 0;
}

.page-news .series__index {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-news .series__title {
  margin: 10px 0 0;
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 800;
  letter-spacing: -0.03em;
}

.page-news .series__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .series__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

.page-news .series__list li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  padding: 9px 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--text);
  border-top: 1px solid var(--line-soft);
}

.page-news .series__list .t-mono {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.08em;
}

/* ---------- 跟进节奏 ---------- */
.page-news .pulse-shell {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: clamp(22px, 4vw, 44px);
  position: relative;
  overflow: hidden;
}

.page-news .pulse-shell::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 220px;
  height: 220px;
  border: 1px solid rgba(54, 224, 232, 0.22);
  border-radius: 50%;
  pointer-events: none;
}

.page-news .pulse-shell::after {
  content: "";
  position: absolute;
  top: -20px;
  right: -20px;
  width: 140px;
  height: 140px;
  border: 1px solid rgba(36, 91, 255, 0.35);
  border-radius: 50%;
  pointer-events: none;
}

.page-news .pulse-intro {
  position: relative;
  z-index: 1;
  max-width: 58ch;
}

.page-news .pulse-intro h2 {
  margin: 14px 0 0;
  font-size: var(--fs-h2);
  line-height: 1.1;
  letter-spacing: -0.035em;
  font-weight: 900;
}

.page-news .pulse-intro p {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
}

.page-news .pulse-steps {
  position: relative;
  z-index: 1;
  margin-top: clamp(22px, 3.5vw, 34px);
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  grid-template-columns: minmax(0, 1fr);
}

.page-news .pulse-step {
  background: var(--ink-800);
  padding: 18px 16px;
}

.page-news .pulse-step__num {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-news .pulse-step__title {
  margin: 8px 0 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.page-news .pulse-step__text {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .pulse-actions {
  position: relative;
  z-index: 1;
  margin-top: clamp(22px, 3.5vw, 32px);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .pulse-actions .btn {
  font-size: 13px;
}

.page-news .pulse-note {
  position: relative;
  z-index: 1;
  margin: 18px 0 0;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-news .pulse-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(54, 224, 232, 0.4);
}

.page-news .pulse-note a:hover,
.page-news .pulse-note a:focus-visible {
  color: var(--text);
  border-color: var(--text);
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-news .news-hero__metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .board__head {
    display: grid;
    grid-template-columns: 96px 92px minmax(0, 1fr) 60px;
    gap: 12px;
    padding: 10px 16px;
    font-family: var(--font-mono);
    font-size: 10.5px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--muted);
    border-bottom: 1px solid var(--line);
    background: rgba(5, 7, 13, 0.6);
    position: relative;
    z-index: 1;
  }

  .page-news .board-row summary {
    grid-template-columns: 96px 92px minmax(0, 1fr) 60px;
    grid-template-areas: "time tag title more";
    gap: 12px;
    padding: 14px 16px;
  }

  .page-news .board-row__title {
    font-size: 15.5px;
  }

  .page-news .board-row__body {
    padding: 0 16px 20px 220px;
  }

  .page-news .docs-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-news .docs-cell--a {
    grid-column: span 3;
  }

  .page-news .docs-cell--b {
    grid-column: span 3;
  }

  .page-news .docs-cell--c {
    grid-column: span 2;
  }

  .page-news .docs-cell--d {
    grid-column: span 4;
  }

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

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

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-news .news-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    column-gap: clamp(32px, 5vw, 72px);
    align-items: end;
  }

  .page-news .news-hero > .eyebrow,
  .page-news .news-hero h1,
  .page-news .news-hero__lead {
    grid-column: 1;
  }

  .page-news .news-hero__metrics {
    grid-column: 2;
    grid-row: 1 / span 3;
    align-self: end;
    margin-top: 0;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .maint-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-news .news-media--maint {
    position: sticky;
    top: 96px;
  }

  .page-news .timeline {
    padding-left: 30px;
  }

  .page-news .timeline__marker {
    left: -30px;
  }

  .page-news .news-media--timeline {
    margin-top: clamp(34px, 5vw, 56px);
  }
}

/* ---------- 降低动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-news .board-row details {
    transition: none;
  }
}
<<<END>>>