.page-news {
  --upd-rail-w: 176px;
  --upd-radius: var(--radius);
  display: block;
  background: var(--paper);
  color: var(--ink);
}

/* 面包屑 */
.page-news .upd-crumb {
  background: var(--paper-2);
  border-bottom: 1px solid var(--line-dark-soft);
  padding: 11px 0;
}

.page-news .upd-crumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--grey);
}

.page-news .upd-crumb-list a {
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-news .upd-crumb-list a:hover,
.page-news .upd-crumb-list a:focus-visible {
  color: var(--red);
  border-bottom-color: var(--red);
}

.page-news .upd-crumb-list li + li::before {
  content: "/";
  margin-right: 4px;
  color: var(--grey);
}

/* 首屏 */
.page-news .upd-hero {
  position: relative;
  background: linear-gradient(155deg, var(--navy-900) 0%, var(--navy-800) 56%, var(--navy-700) 100%);
  color: var(--paper);
  padding: 30px 0 34px;
  overflow: hidden;
}

.page-news .upd-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(244, 241, 234, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(244, 241, 234, .055) 1px, transparent 1px);
  background-size: 46px 46px;
  pointer-events: none;
}

.page-news .upd-hero-frame {
  position: relative;
  z-index: 1;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-lg);
  background: rgba(18, 35, 63, .3);
  padding: 22px 18px 24px;
}

.page-news .upd-hero-frame::before,
.page-news .upd-hero-frame::after {
  content: "";
  position: absolute;
  width: 26px;
  height: 26px;
  border: 2px solid var(--red);
  pointer-events: none;
}

.page-news .upd-hero-frame::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
  border-top-left-radius: var(--radius-lg);
}

.page-news .upd-hero-frame::after {
  right: -1px;
  bottom: -1px;
  border-top: 0;
  border-left: 0;
  border-bottom-right-radius: var(--radius-lg);
}

.page-news .upd-hero-grid {
  display: grid;
  gap: 24px;
}

.page-news .upd-hero-copy .kicker {
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  margin: 0 0 10px;
}

.page-news .upd-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(27px, 5vw, 44px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
  color: var(--paper);
}

.page-news .upd-hero-lead {
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 241, 234, .82);
  margin: 0;
  max-width: 46em;
}

.page-news .upd-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 18px;
  margin: 22px 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--line-light);
}

.page-news .upd-stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: .01em;
}

.page-news .upd-stat-label {
  display: block;
  margin-top: 3px;
  font-size: 12.5px;
  color: rgba(244, 241, 234, .62);
}

.page-news .upd-hero-media {
  margin: 0;
}

.page-news .upd-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line-light);
  object-fit: cover;
}

/* 账本骨架 */
.page-news .upd-ledger {
  display: grid;
  gap: 28px;
}

.page-news .upd-rail {
  min-width: 0;
}

.page-news .upd-rail-caption {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--grey);
}

.page-news .upd-rail-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
}

.page-news .upd-rail-item {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  padding: 7px 13px;
  border: 1px solid var(--line-dark-soft);
  border-radius: 999px;
  background: var(--paper-2);
  color: var(--ink-soft);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .18s var(--ease), background .18s var(--ease), color .18s var(--ease);
}

.page-news .upd-rail-item:hover,
.page-news .upd-rail-item:focus-visible {
  border-color: var(--red);
  color: var(--red-dark);
}

.page-news .upd-rail-ver {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
}

.page-news .upd-rail-when {
  font-size: 11.5px;
  color: var(--grey);
}

.page-news .upd-rail-item.is-active {
  background: var(--navy-900);
  border-color: var(--navy-900);
  color: var(--paper);
}

.page-news .upd-rail-item.is-active .upd-rail-when {
  color: var(--gold);
}

.page-news .upd-rail-figure {
  margin: 18px 0 0;
}

.page-news .upd-rail-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line-dark-soft);
  object-fit: cover;
}

.page-news .upd-ledger-body {
  min-width: 0;
}

.page-news .upd-head {
  margin-bottom: 26px;
}

.page-news .upd-head .kicker {
  display: inline-block;
  margin: 0 0 10px;
  padding-bottom: 4px;
  border-bottom: 2px solid var(--red);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--red-dark);
}

.page-news .upd-head-title {
  font-family: var(--font-display);
  font-size: clamp(21px, 3.2vw, 30px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
  color: var(--ink);
}

.page-news .upd-head-note {
  margin: 0;
  max-width: 44em;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--grey);
}

/* 版本分组 */
.page-news .upd-group {
  margin-bottom: 38px;
  scroll-margin-top: 90px;
}

.page-news .upd-group:last-child {
  margin-bottom: 0;
}

.page-news .upd-group-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px 14px;
  padding-bottom: 10px;
  margin-bottom: 16px;
  border-bottom: 2px solid var(--navy-900);
}

.page-news .upd-group-ver {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: .03em;
  color: var(--navy-900);
}

.page-news .upd-group-when {
  font-size: 12.5px;
  color: var(--grey);
}

.page-news .upd-group-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--gold-deep);
}

/* 条目 */
.page-news .upd-item {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 0 14px;
  padding: 15px 16px 16px;
  margin-bottom: 10px;
  background: var(--paper-2);
  border: 1px solid var(--line-dark-soft);
  border-left: 3px solid var(--index);
  border-radius: var(--radius-sm);
  transition: border-left-color .2s var(--ease), transform .2s var(--ease), box-shadow .2s var(--ease);
}

.page-news .upd-item:hover {
  border-left-color: var(--red);
  transform: translateY(-2px);
  box-shadow: var(--shadow-1);
}

.page-news .upd-item-num {
  display: block;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  color: var(--gold-deep);
  letter-spacing: .04em;
}

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

.page-news .upd-item-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 10px;
}

.page-news .upd-item-title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-news .upd-badge {
  flex: none;
  padding: 4px 9px;
  border-radius: 999px;
  border: 1px solid var(--line-dark);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1;
  letter-spacing: .06em;
}

.page-news .upd-badge--new {
  background: rgba(200, 50, 43, .1);
  border-color: rgba(200, 50, 43, .34);
  color: var(--red-dark);
}

.page-news .upd-badge--tune {
  background: rgba(201, 162, 39, .15);
  border-color: var(--gold-line);
  color: var(--gold-deep);
}

.page-news .upd-badge--perf {
  background: rgba(18, 35, 63, .07);
  border-color: var(--line-dark);
  color: var(--navy-800);
}

.page-news .upd-item-scope {
  margin: 7px 0 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--grey);
}

.page-news .upd-item-body {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* 阅读指南 */
.page-news .upd-read-section {
  background: linear-gradient(180deg, rgba(227, 230, 235, .55), rgba(244, 241, 234, 0));
}

.page-news .upd-read {
  display: grid;
  gap: 14px;
}

.page-news .upd-read-card {
  position: relative;
  padding: 20px 18px 22px;
  background: var(--paper-2);
  border: 1px solid var(--line-dark-soft);
  border-top: 3px solid var(--gold);
  border-radius: var(--radius);
}

.page-news .upd-read-num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--gold-deep);
}

.page-news .upd-read-title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--navy-900);
}

.page-news .upd-read-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* 入口脉络 */
.page-news .upd-track {
  display: grid;
  gap: 14px;
}

.page-news .upd-step {
  padding: 20px 18px 22px;
  background: var(--paper-2);
  border: 1px solid var(--line-dark-soft);
  border-radius: var(--radius);
}

.page-news .upd-step--ink {
  background: var(--navy-900);
  border-color: var(--navy-900);
  color: var(--paper);
}

.page-news .upd-step-num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--red);
}

.page-news .upd-step--ink .upd-step-num {
  color: var(--gold);
}

.page-news .upd-step-title {
  margin: 0 0 8px;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.45;
  color: inherit;
}

.page-news .upd-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-news .upd-step--ink p {
  color: rgba(244, 241, 234, .78);
}

/* 季度复核 */
.page-news .upd-review {
  display: grid;
  gap: 24px;
}

.page-news .upd-review-media {
  margin: 0;
}

.page-news .upd-review-media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line-dark-soft);
  object-fit: cover;
}

.page-news .upd-review-caption {
  margin-top: 10px;
  padding-left: 10px;
  border-left: 2px solid var(--gold);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--grey);
}

.page-news .upd-review-copy {
  min-width: 0;
}

.page-news .upd-review-copy .kicker {
  display: inline-block;
  margin: 0 0 12px;
  padding-bottom: 4px;
  border-bottom: 2px solid var(--red);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--red-dark);
}

.page-news .upd-review-lead {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-news .upd-review-steps {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  border-left: 1px dashed rgba(18, 35, 63, .22);
}

.page-news .upd-review-steps li {
  position: relative;
  padding: 0 0 18px 20px;
}

.page-news .upd-review-steps li:last-child {
  padding-bottom: 0;
}

.page-news .upd-review-steps li::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 7px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--red);
}

.page-news .upd-review-step-num {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--gold-deep);
}

.page-news .upd-review-steps p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-news .upd-review-foot {
  margin: 0;
  padding: 14px 16px;
  background: var(--index);
  border-radius: var(--radius-sm);
  font-size: 14px;
  line-height: 1.8;
  color: var(--navy-800);
}

/* 订阅 */
.page-news .upd-sub-section {
  background: linear-gradient(180deg, rgba(18, 35, 63, .95), rgba(27, 54, 93, .96));
  color: var(--paper);
}

.page-news .upd-sub-section .upd-head-title,
.page-news .upd-sub-section .upd-head-note {
  color: var(--paper);
}

.page-news .upd-sub-section .upd-head-note {
  color: rgba(244, 241, 234, .7);
}

.page-news .upd-sub {
  display: grid;
  gap: 26px;
}

.page-news .upd-sub-copy {
  min-width: 0;
}

.page-news .upd-sub-copy .kicker {
  display: inline-block;
  margin: 0 0 12px;
  padding-bottom: 4px;
  border-bottom: 2px solid var(--red);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-news .upd-sub-copy .upd-head-title {
  color: var(--paper);
}

.page-news .upd-sub-lead {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 241, 234, .76);
}

.page-news .upd-sub-ways {
  display: grid;
  gap: 12px;
}

.page-news .upd-way {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 0 14px;
  padding: 16px 18px;
  background: rgba(244, 241, 234, .06);
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
}

.page-news .upd-way-num {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--gold);
  line-height: 1.3;
}

.page-news .upd-way-title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-news .upd-way p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(244, 241, 234, .74);
}

.page-news .upd-sub-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-news .upd-sub-media {
  margin: 0;
  min-width: 0;
}

.page-news .upd-sub-media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line-light);
  object-fit: cover;
}

.page-news .upd-sub-caption {
  margin-top: 10px;
  padding-left: 10px;
  border-left: 2px solid var(--gold);
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(244, 241, 234, .62);
}

/* 响应式 */
@media (min-width: 760px) {
  .page-news .upd-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-news .upd-read-card:nth-child(2) {
    transform: translateY(18px);
  }

  .page-news .upd-read {
    margin-bottom: 18px;
  }

  .page-news .upd-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-news .upd-step:nth-child(2) {
    transform: translateY(-16px);
  }

  .page-news .upd-sub-ways {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news .upd-hero {
    padding: 40px 0 46px;
  }

  .page-news .upd-hero-frame {
    padding: 30px 30px 32px;
  }

  .page-news .upd-hero-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    align-items: center;
    gap: 36px;
  }

  .page-news .upd-review {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
    align-items: center;
    gap: 36px;
  }

  .page-news .upd-sub {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr);
    align-items: center;
    gap: 40px;
  }
}

@media (min-width: 1024px) {
  .page-news .upd-ledger {
    grid-template-columns: var(--upd-rail-w) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-news .upd-rail {
    position: sticky;
    top: calc(var(--header-h-compact) + 24px);
  }

  .page-news .upd-rail-list {
    display: block;
    overflow: visible;
    padding: 0;
    border-left: 1px dashed rgba(18, 35, 63, .22);
  }

  .page-news .upd-rail-list li {
    position: relative;
  }

  .page-news .upd-rail-item {
    display: block;
    padding: 9px 0 9px 20px;
    border: 0;
    border-radius: 0;
    background: transparent;
    white-space: normal;
  }

  .page-news .upd-rail-item::before {
    content: "";
    position: absolute;
    left: -5px;
    top: 15px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--paper);
    border: 2px solid var(--grey);
    transition: background .2s var(--ease), border-color .2s var(--ease);
  }

  .page-news .upd-rail-item.is-active {
    background: transparent;
    color: var(--ink);
  }

  .page-news .upd-rail-item.is-active::before {
    background: var(--red);
    border-color: var(--red);
  }

  .page-news .upd-rail-item.is-active .upd-rail-ver {
    color: var(--red-dark);
  }

  .page-news .upd-rail-item.is-active .upd-rail-when {
    color: var(--ink-soft);
  }

  .page-news .upd-rail-figure {
    margin-top: 22px;
  }

  .page-news .upd-item {
    grid-template-columns: 34px minmax(0, 1fr);
    padding: 17px 20px 18px;
  }
}
<<<END>>>