.page-news {
  --news-rail: 208px;
  --news-status: 268px;
  --news-gold-soft: rgba(200, 162, 83, .16);
  --news-cyan-soft: rgba(46, 230, 214, .12);
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumb {
  padding-block: 20px 0;
  font-size: 14px;
  letter-spacing: .02em;
  color: var(--cool);
}

.page-news .breadcrumb__item a {
  color: var(--gold-light);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--fast) var(--ease), color var(--fast) var(--ease);
}

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

.page-news .breadcrumb__sep {
  margin-inline: 10px;
  color: var(--line);
}

/* ---------- 首屏框景 ---------- */
.page-news .news-hero {
  padding-block: clamp(24px, 4vw, 44px) clamp(8px, 2vw, 20px);
}

.page-news .news-hero__frame {
  position: relative;
  padding: clamp(26px, 4.2vw, 56px) clamp(22px, 4vw, 52px) clamp(28px, 4vw, 48px);
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 140% at 88% -10%, rgba(36, 27, 58, .55), transparent 58%),
    linear-gradient(180deg, var(--ink-2), var(--ink));
  overflow: hidden;
}

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

.page-news .news-hero__frame::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-news .news-hero__frame::after {
  bottom: -1px;
  right: -1px;
  border-left: 0;
  border-top: 0;
}

.page-news .news-hero h1 {
  margin: 14px 0 0;
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(30px, 5.2vw, 54px);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--paper);
  max-width: 18ch;
}

.page-news .news-hero__lead {
  margin-top: 20px;
  max-width: 60ch;
  font-size: 17px;
  line-height: 1.8;
  letter-spacing: .02em;
  color: var(--cool);
}

.page-news .hero-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 32px 0 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .hero-facts__item {
  background: var(--ink);
  padding: 14px 16px;
}

.page-news .hero-facts dt {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cool);
}

.page-news .hero-facts dd {
  margin: 6px 0 0;
  font-size: 20px;
  font-weight: 700;
  color: var(--gold-light);
  letter-spacing: .01em;
}

/* ---------- 三轴网格 ---------- */
.page-news .news-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas:
    "rail"
    "stream"
    "status";
  gap: 32px;
  padding-block: clamp(28px, 5vw, 56px) clamp(48px, 7vw, 88px);
}

.page-news .news-rail { grid-area: rail; }
.page-news .news-stream { grid-area: stream; min-width: 0; }
.page-news .news-status { grid-area: status; }

/* ---------- 左侧筛选栏 ---------- */
.page-news .rail-block + .rail-block {
  margin-top: 26px;
}

.page-news .rail-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .rail-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  color: var(--paper);
  font-size: 14px;
  letter-spacing: .03em;
  text-decoration: none;
  background: var(--ink-2);
  transition: border-color var(--fast) var(--ease), color var(--fast) var(--ease), transform var(--fast) var(--ease);
}

.page-news .rail-link:hover,
.page-news .rail-link:focus-visible {
  border-color: var(--gold);
  color: var(--gold-light);
  transform: translateX(2px);
}

.page-news .rail-link__code {
  font-family: var(--f-mono);
  font-size: 12px;
  color: var(--gold);
}

/* ---------- 通用区块 ---------- */
.page-news .section + .section {
  margin-top: clamp(44px, 6vw, 76px);
}

.page-news .section__title {
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(24px, 3.2vw, 34px);
  line-height: 1.24;
  letter-spacing: -.005em;
  color: var(--paper);
  margin: 10px 0 0;
}

.page-news .section__lead {
  margin: 14px 0 0;
  color: var(--cool);
  font-size: 16px;
  line-height: 1.75;
  max-width: 56ch;
}

.page-news .prose {
  margin: 0 0 14px;
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-news .prose a {
  color: var(--gold-light);
  text-decoration: none;
  border-bottom: 1px solid var(--news-gold-soft);
  transition: border-color var(--fast) var(--ease), color var(--fast) var(--ease);
}

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

/* ---------- 更新节奏 ---------- */
.page-news .cadence-grid {
  display: grid;
  gap: 26px;
  margin-top: 24px;
}

.page-news .cadence-copy .callout {
  margin-top: 18px;
}

.page-news .cadence-copy .callout p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper);
}

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

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

.page-news .figure--wide .figure__img { aspect-ratio: 16 / 10; }
.page-news .figure--tall .figure__img { aspect-ratio: 4 / 3; }

.page-news .figure__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--cool);
}

.page-news .scale {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 34px;
  overflow: visible;
}

.page-news .scale__axis {
  stroke: var(--line);
  stroke-width: 1;
}

.page-news .scale__dot {
  fill: var(--marble);
  stroke: var(--gold);
  stroke-width: 1;
}

.page-news .scale__dot.is-key {
  fill: var(--gold);
  stroke: var(--gold-light);
  stroke-width: 2;
}

.page-news .scale__dot.is-end {
  fill: var(--line);
  stroke: var(--line);
}

.page-news .scale__key {
  fill: var(--gold-light);
  font-family: var(--f-mono);
  font-size: 13px;
  text-anchor: middle;
}

.page-news .scale__tick {
  fill: var(--cool);
  font-family: var(--f-mono);
  font-size: 12px;
  text-anchor: middle;
}

/* ---------- 条目列表 ---------- */
.page-news .entry-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .entry {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0 20px 14px;
  border-bottom: 1px solid var(--line);
  transition: background var(--fast) var(--ease);
}

.page-news .entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 3px;
  height: 0;
  background: var(--gold);
  transform: translateY(-50%);
  transition: height var(--fast) var(--ease);
}

.page-news .entry:hover::before,
.page-news .entry:focus-within::before {
  height: 66%;
}

.page-news .entry:hover {
  background: linear-gradient(90deg, var(--news-gold-soft), transparent 46%);
}

.page-news .entry__code {
  font-family: var(--f-mono);
  font-size: 13px;
  color: var(--gold);
  padding-top: 4px;
  letter-spacing: .06em;
}

.page-news .entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cool);
}

.page-news .entry__title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-news .entry__desc {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--cool);
  max-width: 62ch;
}

.page-news .tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 9px;
  border: 1px solid currentColor;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .12em;
  background: transparent;
}

.page-news .tag--news { color: var(--gold-light); }
.page-news .tag--event { color: var(--red); }
.page-news .tag--tool { color: var(--cyan); }
.page-news .tag--guide { color: var(--paper); }
.page-news .tag--cyan { color: var(--cyan); }

/* ---------- 专题系列 ---------- */
.page-news .series-note {
  max-width: 62%;
  margin-top: 26px;
}

.page-news .series-grid {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .series-cell {
  background: var(--ink-2);
  padding: 20px 18px 22px;
  transition: background var(--fast) var(--ease);
}

.page-news .series-cell:hover {
  background: var(--ink);
}

.page-news .series-cell__code {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-news .series-cell__name {
  margin: 8px 0 0;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-news .series-cell__cadence {
  margin: 8px 0 0;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-news .series-cell__desc {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--cool);
}

.page-news .series-wall {
  margin-top: 30px;
}

/* ---------- 订阅 ---------- */
.page-news .panel {
  padding: clamp(24px, 3.6vw, 40px);
}

.page-news .subscribe-panel .section__title {
  margin-top: 12px;
}

.page-news .subscribe-panel .prose {
  margin-top: 16px;
}

.page-news .channel-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-top: 28px;
}

.page-news .channel {
  padding: 18px 0 18px 18px;
  border-left: 2px solid var(--gold);
  background: linear-gradient(90deg, rgba(200, 162, 83, .09), transparent 62%);
}

.page-news .channel__name {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  color: var(--paper);
  letter-spacing: .01em;
}

.page-news .channel__desc {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--cool);
  max-width: 58ch;
}

.page-news .channel__state {
  margin: 12px 0 0;
}

.page-news .subscribe-actions {
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid rgba(242, 240, 234, .14);
}

.page-news .subscribe-actions__title {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  color: var(--gold-light);
  letter-spacing: .02em;
}

.page-news .subscribe-actions .prose {
  margin-top: 10px;
  color: var(--paper);
}

.page-news .subscribe-panel .figure {
  margin-top: 30px;
}

/* ---------- 存档 ---------- */
.page-news .news-archive .prose {
  margin-top: 22px;
}

.page-news .table-scroll {
  margin-top: 24px;
  overflow-x: auto;
  border: 1px solid var(--line);
}

.page-news .data-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-news .data-table th,
.page-news .data-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  line-height: 1.65;
}

.page-news .data-table thead th {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
  background: var(--ink-2);
  font-weight: 600;
}

.page-news .data-table tbody th {
  color: var(--paper);
  font-weight: 700;
  white-space: nowrap;
}

.page-news .data-table tbody td {
  color: var(--cool);
}

.page-news .data-table tbody tr:last-child th,
.page-news .data-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-news .archive-links {
  margin-top: 26px;
  padding-left: 16px;
  border-left: 2px solid var(--gold);
}

.page-news .archive-links .prose:last-child {
  margin-bottom: 0;
}

/* ---------- 右侧状态面板 ---------- */
.page-news .status-panel {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--ink-2), var(--ink));
  padding: 22px 20px;
}

.page-news .status-panel + .status-panel {
  margin-top: 18px;
}

.page-news .status-panel h2.panel__label {
  margin: 0 0 16px;
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-news .status-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
}

.page-news .status-item:last-of-type {
  border-bottom: 0;
}

.page-news .status-item__key {
  font-size: 13px;
  color: var(--cool);
  letter-spacing: .02em;
}

.page-news .status-item__val {
  font-family: var(--f-mono);
  font-size: 14px;
  color: var(--gold-light);
  text-align: right;
}

.page-news .status-panel__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--cool);
}

.page-news .status-panel__link {
  margin: 14px 0 0;
}

.page-news .status-panel__link .link-more {
  color: var(--cyan);
  text-decoration: none;
  font-size: 14px;
  border-bottom: 1px solid var(--news-cyan-soft);
  transition: border-color var(--fast) var(--ease);
}

.page-news .status-panel__link .link-more:hover,
.page-news .status-panel__link .link-more:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-news .status-panel--quiet {
  background: var(--ink-2);
  border-left: 2px solid var(--line);
}

/* ---------- 焦点可见性 ---------- */
.page-news a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 中屏 ---------- */
@media (min-width: 720px) {
  .page-news .news-hero__lead {
    font-size: 18px;
  }

  .page-news .hero-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .cadence-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
    gap: 30px;
  }

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

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

/* ---------- 桌面三轴 ---------- */
@media (min-width: 1024px) {
  .page-news .news-grid {
    grid-template-columns: var(--news-rail) minmax(0, 1fr) var(--news-status);
    grid-template-areas: "rail stream status";
    gap: 40px;
    align-items: start;
  }

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

  .page-news .news-rail {
    max-height: calc(100vh - 120px);
    overflow-y: auto;
    padding-right: 4px;
  }

  .page-news .rail-list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 7px;
  }

  .page-news .rail-link {
    width: 100%;
    justify-content: flex-start;
  }

  .page-news .series-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .entry {
    gap: 22px;
    padding: 22px 0 22px 18px;
  }
}

@media (min-width: 1280px) {
  .page-news .series-note {
    max-width: 48%;
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-news .entry::before,
  .page-news .rail-link,
  .page-news .breadcrumb__item a,
  .page-news .prose a {
    transition: none;
  }

  .page-news .rail-link:hover,
  .page-news .rail-link:focus-visible {
    transform: none;
  }
}