.page-news {
  --news-rail: 250px;
  --news-node: 12px;
  --news-line: rgba(232, 121, 46, 0.42);
  --news-shadow: 0 14px 30px -26px rgba(7, 59, 76, 0.75);
}

.page-news .section {
  padding-block: clamp(2.25rem, 5vw, 3.5rem);
}

.page-news h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 5.4vw, 3.3rem);
  line-height: 1.16;
  letter-spacing: 0.03em;
  color: var(--lake-deep);
}

.page-news .section-title {
  margin: 0.35rem 0 0.6rem;
  font-size: clamp(1.35rem, 2.8vw, 2rem);
  line-height: 1.28;
  letter-spacing: 0.02em;
  color: var(--lake-deep);
}

.page-news .section-desc {
  margin: 0;
  max-width: 62ch;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.75;
}

.page-news .section-num {
  display: inline-block;
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--lake);
  opacity: 0.55;
}

/* 首屏 */
.page-news .lead-grid {
  display: grid;
  gap: 1.75rem;
}

.page-news .lead-copy .lede {
  margin: 0;
  max-width: 60ch;
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.8;
}

.page-news .lead-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem 1rem;
  margin: 1.6rem 0 0;
  padding: 1.15rem 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-news .stat-num {
  display: block;
  font-size: 1.5rem;
  line-height: 1.1;
  letter-spacing: 0.04em;
  color: var(--lake);
  font-weight: 700;
}

.page-news .stat-label {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--ink-soft);
}

.page-news .lead-feature {
  background: var(--paper-raise);
  border: 1px solid var(--line);
  border-top: 3px solid var(--orange);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--news-shadow);
}

.page-news .feature-media {
  margin: 0;
  background: var(--lake-pale);
}

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

.page-news .feature-body {
  padding: 1.15rem 1.15rem 1.35rem;
}

.page-news .feature-flag {
  margin: 0 0 0.5rem;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-news .feature-body h2 {
  margin: 0 0 0.65rem;
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  line-height: 1.4;
  letter-spacing: 0.02em;
  color: var(--lake-deep);
}

.page-news .feature-body p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-news .tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.page-news .tag-row .tag {
  padding: 0.24rem 0.62rem;
  border: 1px solid var(--line-lake);
  border-radius: 999px;
  background: var(--lake-pale);
  color: var(--lake-deep);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
}

/* 案例时间轴 */
.page-news .archive-grid {
  display: grid;
  gap: 1.75rem;
  margin-top: 1.6rem;
}

.page-news .rail-title {
  margin: 0 0 0.6rem;
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  color: var(--ink-soft);
}

.page-news .index-list {
  display: flex;
  gap: 0.5rem;
  margin: 0 0 1.25rem;
  padding: 0 0 0.35rem;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-news .index-link {
  display: block;
  padding: 0.5rem 0.95rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--paper-raise);
  color: var(--ink);
  font-size: 0.86rem;
  white-space: nowrap;
  text-decoration: none;
  transition: background var(--ease), border-color var(--ease), color var(--ease);
}

.page-news .index-link:hover,
.page-news .index-link:focus-visible {
  border-color: var(--line-lake);
  background: var(--lake-pale);
  color: var(--lake-deep);
}

.page-news .index-link[aria-current="true"] {
  border-color: var(--orange);
  background: var(--lake-pale);
  color: var(--lake-deep);
  font-weight: 700;
}

.page-news .rail-media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--lake-pale);
}

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

.page-news .rail-caption {
  padding: 0.7rem 0.85rem;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
  background: var(--paper-raise);
}

.page-news .cat-group {
  --cat: var(--lake);
  margin-bottom: 2.25rem;
}

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

.page-news [data-section="cat-register"] {
  --cat: var(--lake);
}

.page-news [data-section="cat-relogin"] {
  --cat: var(--barley);
}

.page-news [data-section="cat-index"] {
  --cat: var(--tibet);
}

.page-news [data-section="cat-service"] {
  --cat: var(--orange);
}

.page-news .cat-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 1rem;
  font-size: 1.02rem;
  letter-spacing: 0.1em;
  color: var(--lake-deep);
}

.page-news .cat-title::before {
  content: "";
  width: 4px;
  height: 1.05em;
  border-radius: 2px;
  background: var(--cat);
}

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

.page-news .story-item {
  position: relative;
  padding-left: 1.6rem;
}

.page-news .story-item::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 0.7rem;
  bottom: 0.9rem;
  width: 2px;
  background: linear-gradient(180deg, var(--news-line), rgba(232, 121, 46, 0.12));
}

.page-news .story-item:last-child::before {
  bottom: auto;
  height: 1.4rem;
}

.page-news .story-node {
  position: absolute;
  left: 0;
  top: 0.5rem;
  width: var(--news-node);
  height: var(--news-node);
  border: 2px solid var(--cat);
  border-radius: 50%;
  background: var(--paper);
  transition: background 220ms ease, box-shadow 220ms ease;
}

.page-news .story-item.is-visible .story-node {
  background: var(--cat);
  box-shadow: 0 0 0 4px rgba(15, 110, 140, 0.12);
}

.page-news .story-card {
  margin-bottom: 1.5rem;
  padding: 1rem 1.05rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-raise);
  box-shadow: 0 10px 24px -24px rgba(7, 59, 76, 0.8);
  transition: border-color var(--ease), box-shadow var(--ease), transform var(--ease);
}

.page-news .story-card:hover {
  border-color: var(--line-lake);
  box-shadow: var(--news-shadow);
  transform: translateY(-2px);
}

.page-news .story-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 0.55rem;
  font-size: 0.76rem;
  color: var(--ink-soft);
}

.page-news .tag-cat {
  padding: 0.18rem 0.55rem;
  border: 1px solid var(--cat);
  border-radius: var(--radius-sm);
  color: var(--cat);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
}

.page-news .story-card h4 {
  margin: 0 0 0.5rem;
  font-size: 1.02rem;
  line-height: 1.45;
  letter-spacing: 0.01em;
  color: var(--lake-deep);
}

.page-news .story-text {
  margin: 0 0 0.7rem;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-news .story-path {
  margin: 0;
  padding-top: 0.65rem;
  border-top: 1px dashed var(--line-strong);
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--ink);
}

.page-news .story-path .mono {
  margin-right: 0.45rem;
  color: var(--cat);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
}

/* 更新日志 */
.page-news .log-cover {
  margin: 1.5rem 0 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--paper-raise);
}

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

.page-news .log-list {
  display: grid;
  gap: 0.7rem;
}

.page-news .log-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-raise);
  transition: border-color var(--ease), box-shadow var(--ease);
}

.page-news .log-item[open] {
  border-color: var(--line-lake);
  box-shadow: var(--news-shadow);
}

.page-news .log-item summary {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.35rem 0.7rem;
  padding: 0.9rem 2.4rem 0.9rem 1rem;
  cursor: pointer;
  list-style: none;
}

.page-news .log-item summary::-webkit-details-marker {
  display: none;
}

.page-news .log-item summary::after {
  content: "";
  position: absolute;
  right: 1rem;
  top: 1.15rem;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--lake);
  border-bottom: 2px solid var(--lake);
  transform: rotate(45deg);
  transition: transform 200ms ease;
}

.page-news .log-item[open] summary::after {
  transform: rotate(225deg);
}

.page-news .log-ver {
  grid-row: 1;
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-news .log-head {
  grid-row: 1;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--lake-deep);
}

.page-news .log-when {
  grid-column: 2;
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
}

.page-news .log-body {
  padding: 0 1rem 1.05rem;
}

.page-news .log-body p {
  margin: 0;
  padding-top: 0.75rem;
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--ink-soft);
}

/* 分类与专题 */
.page-news .topic-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.page-news .topic-list {
  display: grid;
  gap: 0.65rem;
}

.page-news .topic-item {
  --cat: var(--lake);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 0.2rem 0.75rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-left: 4px solid var(--cat);
  border-radius: var(--radius);
  background: var(--paper-raise);
  text-decoration: none;
  color: var(--ink);
  transition: border-color var(--ease), background var(--ease), transform var(--ease), box-shadow var(--ease);
}

.page-news .topic-item[data-topic="relogin"] {
  --cat: var(--barley);
}

.page-news .topic-item[data-topic="index"] {
  --cat: var(--tibet);
}

.page-news .topic-item[data-topic="service"] {
  --cat: var(--orange);
}

.page-news .topic-item:hover,
.page-news .topic-item:focus-visible {
  background: var(--lake-pale);
  transform: translateY(-2px);
  box-shadow: var(--news-shadow);
}

.page-news .topic-mark {
  grid-row: 1 / span 2;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--cat);
  letter-spacing: 0.06em;
}

.page-news .topic-name {
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--lake-deep);
}

.page-news .topic-hint {
  grid-column: 2;
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  font-size: 0.84rem;
  line-height: 1.65;
  color: var(--ink-soft);
  transition: max-height 220ms ease, opacity 220ms ease, margin-top 220ms ease;
}

.page-news .topic-item:hover .topic-hint,
.page-news .topic-item:focus-visible .topic-hint {
  max-height: 5rem;
  opacity: 1;
  margin-top: 0.25rem;
}

.page-news .topic-media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--lake-pale);
}

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

.page-news .topic-caption {
  padding: 0.7rem 0.9rem;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
  background: var(--paper-raise);
}

/* 延伸阅读 */
.page-news .next-band {
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--line-lake);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, var(--lake-pale), var(--paper-raise) 68%);
}

.page-news .next-head .section-desc {
  max-width: 66ch;
}

.page-news .next-grid {
  display: grid;
  gap: 0.85rem;
  margin-top: 1.35rem;
}

.page-news .next-card {
  display: block;
  padding: 1.05rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-raise);
  text-decoration: none;
  color: var(--ink);
  transition: border-color var(--ease), transform var(--ease), box-shadow var(--ease);
}

.page-news .next-card:hover,
.page-news .next-card:focus-visible {
  border-color: var(--orange);
  transform: translateY(-2px);
  box-shadow: var(--news-shadow);
}

.page-news .next-kicker {
  display: block;
  font-size: 0.73rem;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-news .next-title {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--lake-deep);
}

.page-news .next-text {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

@media (min-width: 640px) {
  .page-news .lead-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-news .lead-grid {
    grid-template-columns: 1.02fr 0.98fr;
    gap: 2.5rem;
    align-items: start;
  }

  .page-news .feature-body {
    padding: 1.35rem 1.5rem 1.6rem;
  }

  .page-news .archive-grid {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    gap: 2.75rem;
    align-items: start;
  }

  .page-news .archive-rail {
    position: sticky;
    top: 5.5rem;
  }

  .page-news .index-list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .index-link {
    border-radius: var(--radius-sm);
    white-space: normal;
  }

  .page-news .story-item:nth-child(even) .story-card {
    margin-left: 2.25rem;
  }

  .page-news .log-item summary {
    grid-template-columns: 4.5rem minmax(0, 1fr) auto;
    align-items: baseline;
    padding: 1rem 2.6rem 1rem 1.15rem;
  }

  .page-news .log-ver,
  .page-news .log-head {
    grid-row: 1;
  }

  .page-news .log-when {
    grid-column: 3;
    grid-row: 1;
  }

  .page-news .log-item summary::after {
    top: 1.3rem;
  }

  .page-news .topic-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 2rem;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .story-card,
  .page-news .story-node,
  .page-news .topic-item,
  .page-news .next-card,
  .page-news .log-item summary::after {
    transition: none;
  }

  .page-news .story-card:hover,
  .page-news .topic-item:hover,
  .page-news .next-card:hover {
    transform: none;
  }
}
<<<END>>>