.page-news {
  --news-line: rgba(11, 31, 58, 0.12);
  --news-rail-w: 216px;
  background: var(--mist);
  color: var(--ink);
}

.page-news .section {
  padding-block: 56px;
}

.page-news .section-head {
  max-width: 66ch;
  margin-bottom: 28px;
}

.page-news .section-head h2 {
  margin: 10px 0 14px;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.page-news .section-head .lead {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(11, 31, 58, 0.76);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 0 56px;
  background: var(--ink);
  color: var(--mist);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--grid-img);
  background-size: 52px 52px;
  pointer-events: none;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  right: -80px;
  top: 18%;
  width: 260px;
  height: 260px;
  border: 1px solid rgba(45, 224, 192, 0.24);
  border-radius: 50%;
  pointer-events: none;
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 1;
}

.page-news .news-hero .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2px;
  font-size: 13px;
}

.page-news .news-hero .breadcrumb-link {
  color: rgba(244, 247, 250, 0.66);
  text-decoration: none;
}

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

.page-news .news-hero .breadcrumb-current {
  color: var(--mist);
}

.page-news .news-hero .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-inline: 8px;
  color: rgba(244, 247, 250, 0.36);
}

.page-news .news-hero .eyebrow {
  margin: 26px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-news .news-hero h1 {
  margin: 14px 0 18px;
  font-size: clamp(30px, 5.4vw, 58px);
  line-height: 1.1;
  letter-spacing: 0.02em;
  font-weight: 900;
}

.page-news .news-hero .lead {
  max-width: 60ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(244, 247, 250, 0.78);
}

.page-news .hero-readout {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 34px;
  background: rgba(45, 224, 192, 0.2);
  border: 1px solid rgba(45, 224, 192, 0.2);
}

.page-news .readout-cell {
  padding: 14px 14px 16px;
  background: rgba(18, 43, 78, 0.78);
}

.page-news .readout-label {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(244, 247, 250, 0.58);
}

.page-news .readout-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(14px, 2vw, 18px);
  letter-spacing: 0.04em;
  color: var(--cyan);
  word-break: break-word;
}

/* ---------- 更新总览 ---------- */
.page-news .news-overview {
  background: var(--mist);
}

.page-news .overview-scale {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(190px, 1fr);
  overflow-x: auto;
  padding: 22px 0 6px;
  border-top: 1px solid var(--news-line);
  scrollbar-width: thin;
}

.page-news .scale-step {
  position: relative;
  padding: 22px 18px 0 0;
}

.page-news .scale-step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--grid);
}

.page-news .scale-step::after {
  content: "";
  position: absolute;
  left: 9px;
  right: 0;
  top: 10px;
  height: 1px;
  background: var(--news-line);
}

.page-news .scale-step:last-child::after {
  display: none;
}

.page-news .scale-step--now::before {
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 106, 42, 0.16);
}

.page-news .scale-window {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ink);
}

.page-news .scale-step--now .scale-window {
  color: var(--orange);
}

.page-news .scale-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(11, 31, 58, 0.68);
}

.page-news .overview-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 26px 0 28px;
  padding-top: 18px;
  border-top: 1px solid var(--news-line);
}

.page-news .legend-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(11, 31, 58, 0.72);
}

.page-news .legend-dot {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
}

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

.page-news .legend-dot--rights {
  background: var(--gold);
}

.page-news .legend-dot--asset {
  background: var(--grid);
}

.page-news .legend-dot--fix {
  background: var(--ink-2);
}

.page-news .overview-figure {
  margin: 0;
}

.page-news .overview-figure img,
.page-news .threads-figure img,
.page-news .stream-figure img,
.page-news .tier-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 左轨道 + 日志流 ---------- */
.page-news .news-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding-block: 8px 64px;
}

.page-news .news-rail {
  display: flex;
  gap: 28px;
  overflow-x: auto;
  padding: 0 0 14px;
  border-bottom: 1px solid var(--news-line);
}

.page-news .rail-block {
  flex: 0 0 auto;
}

.page-news .rail-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--grid);
  white-space: nowrap;
}

.page-news .rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
}

.page-news .rail-link {
  display: block;
  padding: 6px 12px;
  border: 1px solid var(--news-line);
  font-size: 14px;
  color: var(--ink-2);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.page-news .rail-link:hover,
.page-news .rail-link:focus-visible {
  border-color: var(--orange);
  color: var(--orange);
  background: rgba(255, 106, 42, 0.07);
}

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

.page-news .stream-head {
  margin-bottom: 22px;
}

.page-news .stream-head h2 {
  margin: 10px 0 12px;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.25;
  letter-spacing: 0.02em;
}

.page-news .stream-note {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(11, 31, 58, 0.7);
}

.page-news .stream-figure {
  margin: 0 0 30px;
}

.page-news .log-group + .log-group {
  margin-top: 40px;
}

.page-news .log-group__title {
  position: sticky;
  top: 72px;
  z-index: 3;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
  padding: 12px 0;
  background: var(--mist);
  border-bottom: 2px solid var(--ink);
  font-size: 17px;
  letter-spacing: 0.04em;
}

.page-news .log-group__stamp {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange);
  border: 1px solid rgba(255, 106, 42, 0.42);
  padding: 2px 8px;
}

.page-news .log-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  row-gap: 8px;
  padding: 20px 0;
  border-bottom: 1px solid var(--news-line);
}

.page-news .log-no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

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

.page-news .log-title {
  margin: 0 0 8px;
  font-size: 17px;
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.page-news .log-desc {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(11, 31, 58, 0.78);
}

.page-news .log-impact {
  margin: 0 0 10px;
  font-size: 13px;
  color: rgba(11, 31, 58, 0.6);
}

.page-news .log-impact__label {
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--grid);
}

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

.page-news .log-cat {
  font-size: 12px;
  line-height: 1.6;
  padding: 2px 9px;
  background: var(--paper);
  border: 1px solid var(--news-line);
  color: var(--ink-2);
}

.page-news .log-cat--feature {
  border-color: rgba(45, 224, 192, 0.55);
  color: #0d7565;
}

.page-news .log-cat--rights {
  border-color: rgba(214, 168, 75, 0.65);
  color: #7d5f1a;
}

.page-news .log-cat--asset {
  border-color: rgba(138, 151, 168, 0.6);
  color: #46536a;
}

.page-news .log-cat--fix {
  border-style: dashed;
  border-color: var(--ink-2);
  color: var(--ink);
}

/* ---------- 版本专题 ---------- */
.page-news .threads {
  background: var(--mist);
  border-top: 1px solid var(--news-line);
}

.page-news .threads-figure {
  margin: 0 0 28px;
}

.page-news .thread-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--news-line);
  border: 1px solid var(--news-line);
}

.page-news .thread-card {
  padding: 24px 22px 26px;
  background: var(--paper);
}

.page-news .thread-no {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-news .thread-card h3 {
  margin: 0 0 10px;
  font-size: 20px;
  letter-spacing: 0.03em;
}

.page-news .thread-card p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(11, 31, 58, 0.75);
}

.page-news .thread-focus {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
  color: var(--ink-2);
}

.page-news .thread-focus li {
  position: relative;
  padding: 7px 0 7px 16px;
  border-bottom: 1px dashed var(--news-line);
}

.page-news .thread-focus li:last-child {
  border-bottom: none;
}

.page-news .thread-focus li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  width: 6px;
  height: 6px;
  background: var(--ink-2);
}

/* ---------- 会员权益调整 ---------- */
.page-news .tiers {
  background: var(--ink);
  color: var(--mist);
}

.page-news .tiers .section-head h2 {
  color: var(--mist);
}

.page-news .tiers .section-head .lead {
  color: rgba(244, 247, 250, 0.76);
}

.page-news .tiers .eyebrow {
  color: var(--cyan);
}

.page-news .tier-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.page-news .tier-figure {
  margin: 0;
}

.page-news .tier-table {
  background: var(--paper);
  overflow-x: auto;
}

.page-news .tier-table .data-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14px;
  color: var(--ink);
}

.page-news .tier-table .data-table th,
.page-news .tier-table .data-table td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--news-line);
  line-height: 1.65;
}

.page-news .tier-table .data-table thead th {
  background: var(--ink-2);
  color: var(--mist);
  font-size: 12px;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.page-news .tier-table .data-table tbody th {
  font-weight: 600;
  white-space: nowrap;
}

.page-news .tier-table .data-table .num {
  font-family: var(--font-mono);
  font-size: 13px;
  white-space: nowrap;
  color: var(--ink-2);
}

.page-news .tier {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.7;
}

.page-news .tier--bronze {
  background: rgba(185, 121, 74, 0.18);
  color: #7a4a26;
}

.page-news .tier--silver {
  background: rgba(185, 195, 206, 0.32);
  color: #3f4a57;
}

.page-news .tier--gold {
  background: rgba(214, 168, 75, 0.22);
  color: #7d5f1a;
}

.page-news .tier-note {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(244, 247, 250, 0.72);
}

.page-news .tier-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 224, 192, 0.45);
}

.page-news .tier-note a:hover,
.page-news .tier-note a:focus-visible {
  color: var(--mist);
}

/* ---------- 快速定位 ---------- */
.page-news .locate {
  background: var(--mist);
}

.page-news .locate-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-news .locate-col {
  padding-top: 14px;
  border-top: 2px solid var(--ink);
}

.page-news .locate-col__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--grid);
}

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

.page-news .locate-list li {
  border-bottom: 1px solid var(--news-line);
}

.page-news .locate-list a {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
  font-size: 14px;
  color: var(--ink-2);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-news .locate-list a:hover,
.page-news .locate-list a:focus-visible {
  color: var(--orange);
}

.page-news .locate-list--plain li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
}

.page-news .locate-key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--grid);
  text-align: right;
}

.page-news .locate-type {
  font-size: 12px;
  padding: 2px 9px;
  border: 1px solid var(--news-line);
  white-space: nowrap;
}

.page-news .locate-type--feature {
  border-color: rgba(45, 224, 192, 0.55);
  color: #0d7565;
}

.page-news .locate-type--rights {
  border-color: rgba(214, 168, 75, 0.65);
  color: #7d5f1a;
}

.page-news .locate-type--asset {
  border-color: rgba(138, 151, 168, 0.6);
  color: #46536a;
}

.page-news .locate-type--fix {
  border-style: dashed;
  border-color: var(--ink-2);
  color: var(--ink);
}

.page-news .locate-more {
  display: inline-block;
  margin-top: 14px;
  font-size: 13px;
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 106, 42, 0.45);
  padding-bottom: 2px;
}

.page-news .locate-more:hover,
.page-news .locate-more:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

/* ---------- 订阅与反馈 ---------- */
.page-news .subscribe {
  background: var(--ink-2);
  color: var(--mist);
}

.page-news .subscribe__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: center;
}

.page-news .subscribe .eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-news .subscribe h2 {
  margin: 0 0 14px;
  font-size: clamp(22px, 3.2vw, 32px);
  line-height: 1.25;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-news .subscribe .lead {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 247, 250, 0.76);
}

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

.page-news .subscribe .btn--outline {
  color: var(--mist);
  border-color: rgba(244, 247, 250, 0.42);
}

.page-news .subscribe .btn--outline:hover,
.page-news .subscribe .btn--outline:focus-visible {
  color: var(--ink);
  background: var(--mist);
  border-color: var(--mist);
}

/* ---------- 断点 ---------- */
@media (min-width: 600px) {
  .page-news .log-item {
    grid-template-columns: 68px minmax(0, 1fr);
    column-gap: 18px;
    row-gap: 0;
  }

  .page-news .log-no {
    padding-top: 4px;
  }
}

@media (min-width: 760px) {
  .page-news .thread-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .locate-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 32px;
  }

  .page-news .tier-layout {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 30px;
  }

  .page-news .subscribe__inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (min-width: 940px) {
  .page-news .news-body {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    gap: 48px;
    padding-block: 16px 80px;
  }

  .page-news .news-rail {
    position: sticky;
    top: 96px;
    align-self: start;
    display: block;
    overflow: visible;
    padding: 0;
    border-bottom: none;
  }

  .page-news .rail-block + .rail-block {
    margin-top: 24px;
  }

  .page-news .rail-title {
    white-space: normal;
  }

  .page-news .rail-list {
    display: block;
  }

  .page-news .rail-list li + li {
    margin-top: 4px;
  }

  .page-news .rail-link {
    padding: 7px 0 7px 12px;
    border: none;
    border-left: 2px solid var(--news-line);
  }

  .page-news .rail-link:hover,
  .page-news .rail-link:focus-visible {
    border-left-color: var(--orange);
    background: rgba(255, 106, 42, 0.06);
  }
}

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

  .page-news .section {
    padding-block: 72px;
  }

  .page-news .news-hero {
    padding: 34px 0 72px;
  }
}

@media (max-width: 520px) {
  .page-news .hero-readout {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-news .log-group__title {
    top: 60px;
    font-size: 16px;
  }

  .page-news .tier-table .data-table {
    font-size: 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .rail-link,
  .page-news .locate-list a,
  .page-news .subscribe .btn--outline {
    transition: none;
  }
}
<<<END>>>