.page-news {
  --obs-rule: rgba(27, 21, 17, 0.16);
  --rail-col: 220px;
  --tl-pad: clamp(22px, 4vw, 32px);
}

.page-news .news-shell {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: clamp(20px, 3vw, 40px) var(--gutter) clamp(56px, 8vw, 104px);
}

.page-news .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(20px, 3vw, 32px);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--moss);
}

.page-news .breadcrumbs a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--orange);
  padding-bottom: 1px;
}

.page-news .breadcrumbs a:hover,
.page-news .breadcrumbs a:focus-visible {
  background: var(--orange);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  padding-bottom: clamp(24px, 4vw, 44px);
  border-bottom: var(--border);
}

.page-news .hero-copy h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 5.2vw, 3.5rem);
  line-height: 1.06;
  letter-spacing: -0.03em;
  margin: 12px 0 18px;
  color: var(--ink);
}

.page-news .hero-lede {
  max-width: 56ch;
  margin: 0;
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  line-height: 1.85;
  color: var(--ink);
}

.page-news .hero-meta {
  margin: 18px 0 0;
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--moss);
}

.page-news .hero-actions,
.page-news .list-actions,
.page-news .cadence-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-news .hero-actions .btn,
.page-news .list-actions .btn,
.page-news .cadence-actions .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 20px;
  text-decoration: none;
  font-weight: 700;
}

.page-news .hero-figure {
  margin: 0;
  border: var(--border);
  box-shadow: var(--shadow-hard);
  background: var(--green);
  overflow: hidden;
}

.page-news .hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 4;
  object-fit: cover;
}

.page-news .image-caption {
  display: block;
  padding: 8px 12px;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--moss);
  background: var(--paper-white);
}

/* ---------- 主栅格 ---------- */
.page-news .news-body {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  margin-top: clamp(32px, 4vw, 56px);
}

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

.page-news .news-block {
  margin-top: clamp(48px, 7vw, 84px);
}

.page-news .news-block:first-child {
  margin-top: 0;
}

.page-news .news-block h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 10px 0 14px;
  color: var(--ink);
}

.page-news .lede {
  max-width: 62ch;
  margin: 0 0 clamp(20px, 3vw, 28px);
  line-height: 1.85;
  color: var(--ink);
}

/* ---------- 左侧索引轨道 ---------- */
.page-news .news-rail {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-news .rail-card {
  border: var(--border);
  background: var(--paper-white);
  padding: 14px 16px;
  box-shadow: 4px 4px 0 var(--ink);
}

.page-news .rail-label {
  margin: 0 0 12px;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--moss);
}

.page-news .rail-nav {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-news .rail-nav a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  border: 2px solid var(--ink);
  border-radius: var(--pill);
  background: var(--paper);
  color: var(--ink);
  font-size: 0.85rem;
  text-decoration: none;
  white-space: nowrap;
}

.page-news .rail-nav a:hover,
.page-news .rail-nav a:focus-visible {
  background: var(--neon);
  outline: 3px solid var(--orange);
  outline-offset: 2px;
}

.page-news .rail-stats .rail-stat {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 0;
  border-top: 1px solid var(--obs-rule);
}

.page-news .rail-stats .rail-stat:first-of-type {
  border-top: 0;
}

.page-news .rail-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--green);
  min-width: 2ch;
}

.page-news .rail-note {
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--ink);
}

/* ---------- V3 头条 ---------- */
.page-news .v3-layout {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  margin-bottom: clamp(20px, 3vw, 28px);
}

.page-news .v3-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 var(--tl-pad);
  border-left: 4px solid var(--green);
}

.page-news .v3-timeline li {
  position: relative;
  padding-bottom: 18px;
}

.page-news .v3-timeline li:last-child {
  padding-bottom: 0;
}

.page-news .v3-timeline li::before {
  content: "";
  position: absolute;
  top: 10px;
  left: calc(var(--tl-pad) * -1 - 9px);
  width: 14px;
  height: 14px;
  background: var(--neon);
  border: 2px solid var(--ink);
}

.page-news .v3-timeline a {
  display: block;
  min-height: 44px;
  text-decoration: none;
  color: var(--ink);
  padding: 2px 0;
}

.page-news .v3-timeline a:hover .v3-name,
.page-news .v3-timeline a:focus-visible .v3-name {
  background: var(--neon);
  box-shadow: 0 2px 0 var(--ink);
}

.page-news .v3-timeline a:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 4px;
}

.page-news .v3-code {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--orange);
  margin-bottom: 2px;
}

.page-news .v3-name {
  display: block;
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.5;
}

.page-news .v3-sub {
  display: block;
  font-size: 0.86rem;
  line-height: 1.65;
  color: var(--moss);
  margin-top: 2px;
}

.page-news .v3-figure {
  margin: 0;
  border: var(--border);
  box-shadow: var(--shadow-hard);
  background: var(--paper-white);
  overflow: hidden;
}

.page-news .v3-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-news .v3-groups {
  margin-top: 8px;
}

.page-news .v3-group {
  border: var(--border);
  background: var(--paper-white);
  box-shadow: var(--shadow-hard);
  margin-bottom: 16px;
}

.page-news .v3-group summary {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 12px 16px;
  background: var(--green);
  color: var(--paper-white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  list-style: none;
}

.page-news .v3-group summary::-webkit-details-marker {
  display: none;
}

.page-news .v3-group summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.25rem;
  line-height: 1;
  color: var(--neon);
}

.page-news .v3-group[open] summary::after {
  content: "–";
  color: var(--orange);
}

.page-news .v3-group summary:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: -3px;
}

.page-news .table-scroll {
  overflow-x: auto;
  padding: 14px 16px 18px;
}

.page-news .v3-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.page-news .v3-table th {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 2px solid var(--ink);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--moss);
  white-space: nowrap;
}

.page-news .v3-table td {
  padding: 10px;
  border-bottom: 1px solid var(--obs-rule);
  line-height: 1.65;
  vertical-align: top;
  color: var(--ink);
}

.page-news .v3-table tr.current td {
  background: rgba(255, 107, 61, 0.16);
}

.page-news .v3-table tr.current td:first-child {
  box-shadow: inset 4px 0 0 var(--orange);
  font-weight: 700;
}

/* ---------- 观察条目 tabs ---------- */
.page-news .tabs {
  margin-top: 4px;
}

.page-news .tab-list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
}

.page-news .tab {
  flex: 0 0 auto;
  min-height: 44px;
  padding: 0 16px;
  border: 2px solid var(--ink);
  border-radius: var(--pill);
  background: var(--paper-white);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  white-space: nowrap;
  cursor: pointer;
  transition: background 200ms var(--ease), box-shadow 200ms var(--ease);
}

.page-news .tab:hover {
  background: var(--paper);
}

.page-news .tab:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 2px;
}

.page-news .tab[aria-selected="true"] {
  background: var(--orange);
  box-shadow: 3px 3px 0 var(--ink);
}

.page-news .tab-panel {
  margin-top: 8px;
  border-top: var(--border);
}

.page-news .tab-panel[hidden] {
  display: none;
}

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

.page-news .obs-item {
  display: grid;
  gap: 6px;
  padding: 16px 4px;
  border-bottom: 2px solid var(--obs-rule);
  transition: background 200ms var(--ease);
}

.page-news .obs-item:hover {
  background: rgba(81, 242, 207, 0.12);
}

.page-news .obs-tag {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--pill);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--paper-white);
  background: var(--moss);
}

.page-news .obs-tag--version {
  background: var(--orange);
  color: var(--ink);
}

.page-news .obs-tag--league {
  background: var(--moss);
}

.page-news .obs-tag--series {
  background: var(--gold);
  color: var(--ink);
}

.page-news .obs-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-news .obs-round {
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--moss);
}

.page-news .obs-time {
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--slate);
}

.page-news .obs-summary {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--moss);
}

.page-news .obs-item--brief {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
}

.page-news .obs-item--brief .obs-title {
  font-size: 0.96rem;
  flex: 1 1 60%;
}

.page-news .list-actions {
  margin-top: clamp(24px, 3vw, 32px);
}

/* ---------- 专题系列 ---------- */
.page-news .series-grid {
  display: grid;
  gap: 20px;
}

.page-news .series-card {
  padding: clamp(18px, 3vw, 26px);
  border: var(--border);
  background: var(--paper-white);
  box-shadow: var(--shadow-hard);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-news .series-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-news .series-card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--ink);
}

.page-news .series-index {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-news .series-figure {
  margin: 0 0 4px;
  border: 2px solid var(--ink);
  overflow: hidden;
  background: var(--paper);
}

.page-news .series-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 3;
  object-fit: cover;
}

.page-news .series-link {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-top: auto;
  color: var(--ink);
  font-weight: 700;
  font-size: 0.88rem;
  text-decoration: none;
  border-bottom: 3px solid var(--orange);
}

.page-news .series-link:hover,
.page-news .series-link:focus-visible {
  background: var(--neon);
  outline: 3px solid var(--orange);
  outline-offset: 2px;
}

.page-news .series-card--a {
  clip-path: polygon(0 0, 100% 0, 100% 96%, 0 100%);
}

.page-news .series-card--b {
  background: var(--paper);
  border-color: var(--ink);
}

.page-news .series-card--c {
  background: var(--green);
  color: var(--paper-white);
}

.page-news .series-card--c h3,
.page-news .series-card--c p {
  color: var(--paper-white);
}

.page-news .series-card--c .series-index {
  color: var(--neon);
}

.page-news .series-card--c .series-link {
  color: var(--paper-white);
  border-bottom-color: var(--neon);
}

.page-news .series-card--c .series-link:hover,
.page-news .series-card--c .series-link:focus-visible {
  color: var(--ink);
  background: var(--neon);
}

/* ---------- 更新节奏 ---------- */
.page-news .cadence {
  position: relative;
  overflow: hidden;
  border: var(--border);
  background: var(--green);
  box-shadow: var(--shadow-accent);
}

.page-news .cadence-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.26;
  z-index: 0;
}

.page-news .cadence-inner {
  position: relative;
  z-index: 1;
  padding: clamp(24px, 4vw, 44px);
}

.page-news .cadence-inner h2 {
  color: var(--paper-white);
  margin-top: 8px;
}

.page-news .cadence-inner p {
  max-width: 62ch;
  margin: 0 0 14px;
  line-height: 1.85;
  color: var(--paper);
}

.page-news .cadence-inner .eyebrow {
  color: var(--neon);
}

.page-news .cadence-actions .btn-secondary {
  background: var(--neon);
  color: var(--ink);
  border-color: var(--ink);
}

.page-news .cadence-actions .btn-primary {
  background: var(--orange);
  color: var(--ink);
  border-color: var(--ink);
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 820px) {
  .page-news .news-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-news .v3-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-news .obs-item {
    grid-template-columns: 96px minmax(0, 1fr) 150px 72px;
    align-items: baseline;
    column-gap: 16px;
  }

  .page-news .obs-summary {
    grid-column: 2 / -1;
  }

  .page-news .obs-round,
  .page-news .obs-time {
    justify-self: end;
  }

  .page-news .series-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    align-items: start;
  }

  .page-news .series-card--a {
    grid-column: span 7;
  }

  .page-news .series-card--b {
    grid-column: span 5;
    margin-top: 36px;
  }

  .page-news .series-card--c {
    grid-column: span 12;
  }
}

@media (min-width: 900px) {
  .page-news .news-body {
    grid-template-columns: var(--rail-col) minmax(0, 1fr);
    align-items: start;
  }

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

  .page-news .rail-nav {
    flex-direction: column;
    overflow: visible;
  }
}

@media (hover: hover) and (pointer: fine) {
  .page-news .obs-summary {
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 200ms var(--ease);
  }

  .page-news .obs-item:hover .obs-summary,
  .page-news .obs-item:focus-within .obs-summary {
    -webkit-line-clamp: unset;
    overflow: visible;
    color: var(--ink);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .obs-item,
  .page-news .obs-summary,
  .page-news .tab {
    transition: none;
  }
}
<<<END>>>