/* ============================================
   更新报告 / page-news
   ============================================ */

.page-news {
  position: relative;
  background: var(--bg-void);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-news::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: 96px 96px;
  opacity: .3;
  pointer-events: none;
  z-index: 0;
}

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

.page-news img {
  max-width: 100%;
  height: auto;
}

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

.page-news .news-inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: end;
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(28px, 5vw, 56px) var(--pad-x) clamp(44px, 6vw, 88px);
}

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

.page-news .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: clamp(20px, 3vw, 32px);
  letter-spacing: .04em;
}

.page-news .breadcrumb a {
  color: var(--text-dim);
  text-decoration: none;
}

.page-news .breadcrumb a:hover { color: var(--cyan); }

.page-news .news-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  padding: 6px 14px;
  border: 1px solid rgba(0, 229, 192, .35);
  background: rgba(0, 229, 192, .06);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-news .news-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(38px, 8.4vw, 68px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  color: var(--text);
  max-width: 14em;
}

.page-news .news-hero__lede {
  max-width: 34em;
  margin: 0 0 clamp(24px, 3vw, 34px);
  color: var(--text-dim);
  font-size: 16px;
  line-height: 1.85;
}

.page-news .news-hero__facts {
  list-style: none;
  margin: 0 0 clamp(26px, 3.2vw, 36px);
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-news .news-hero__facts li {
  padding: 14px 12px 14px 0;
  display: grid;
  gap: 2px;
  font-size: 12px;
  color: var(--text-dim);
  line-height: 1.5;
}

.page-news .news-hero__facts li + li {
  padding-left: 14px;
  border-left: 1px solid var(--line-soft);
}

.page-news .news-hero__facts .mono {
  font-size: 15px;
  color: var(--gold);
  letter-spacing: .02em;
}

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

.page-news .news-hero__figure {
  position: relative;
  margin: 0;
  min-width: 0;
}

.page-news .news-hero__figure img {
  width: 100%;
  display: block;
  border: 1px solid var(--line);
  background: var(--bg-panel);
  object-fit: cover;
  aspect-ratio: 16 / 10;
}

.page-news .news-hero__figure::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), rgba(0, 229, 192, 0) 72%);
  pointer-events: none;
}

.page-news .news-hero__figure .media__cap {
  display: block;
  margin-top: 12px;
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.7;
}

/* ---------- 章节骨架 ---------- */

.page-news .news-section {
  padding: clamp(48px, 7vw, 96px) 0;
}

.page-news .news-section--panel {
  background: var(--bg-section);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-news .sec-head { margin-bottom: clamp(26px, 3.4vw, 44px); }

/* ---------- 01 本批次 ---------- */

.page-news .latest-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
  align-items: start;
}

.page-news .latest-side {
  display: grid;
  gap: var(--gap);
}

.page-news .latest-lead {
  border-left: 2px solid var(--cyan);
  background-image: linear-gradient(160deg, rgba(0, 229, 192, .09), rgba(0, 229, 192, 0) 58%);
}

.page-news .latest-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .latest-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-news .latest-list .dot { margin-top: 9px; flex: none; }

/* ---------- 02 版本索引 ---------- */

.page-news .news-band {
  margin: 0;
  position: relative;
}

.page-news .news-band img {
  width: 100%;
  display: block;
  border: 1px solid var(--line);
  background: var(--bg-panel);
  object-fit: cover;
  aspect-ratio: 5 / 2;
}

.page-news .news-band .media__cap {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.7;
}

.page-news .news-table-wrap {
  margin-top: clamp(24px, 3.2vw, 40px);
  border: 1px solid var(--line);
  background: var(--bg-panel);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-table {
  width: 100%;
  min-width: 700px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-news .news-table th {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-dim);
  text-align: left;
  padding: 14px 18px;
  background: var(--bg-section);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-news .news-table td {
  padding: 18px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--text-dim);
  line-height: 1.7;
  vertical-align: top;
}

.page-news .news-table tbody tr:nth-child(odd) td {
  background: rgba(18, 32, 58, .45);
}

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

.page-news .news-table td:first-child {
  color: var(--text);
  font-weight: 600;
  white-space: nowrap;
}

.page-news .news-table td:first-child .dot {
  margin-right: 8px;
  flex: none;
}

.page-news .news-table .mono {
  font-size: 13px;
  color: var(--gold);
  white-space: nowrap;
}

/* ---------- 03 批次流 ---------- */

.page-news .news-stream {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.6vw, 44px);
}

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

.page-news .stream-rail__label {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--text-dim);
  margin: 0 0 14px;
}

.page-news .stream-rail__list {
  list-style: none;
  margin: 0;
  padding: 14px 0 0;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  border-top: 1px solid var(--line);
  -webkit-overflow-scrolling: touch;
}

.page-news .stream-rail__list li { flex: 0 0 auto; }

.page-news .stream-node {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 12px;
  row-gap: 3px;
  padding: 13px 16px;
  text-decoration: none;
  border: 1px solid var(--line);
  background: var(--bg-panel);
  transition: border-color .24s var(--ease), background-color .24s var(--ease);
  min-width: 168px;
}

.page-news .stream-node__dot {
  grid-row: 1 / span 2;
  align-self: start;
  margin-top: 8px;
}

.page-news .stream-node__name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
}

.page-news .stream-node__time {
  font-size: 11.5px;
  color: var(--text-dim);
  line-height: 1.4;
}

.page-news .stream-node:hover { border-color: var(--text-dim); }

.page-news .stream-node.is-active {
  border-color: var(--cyan);
  background: rgba(0, 229, 192, .06);
}

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

/* 筛选条 */

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(24px, 3vw, 34px);
}

.page-news .filter-btn {
  appearance: none;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text-dim);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.4;
  padding: 8px 16px;
  cursor: pointer;
  transition: color .24s var(--ease), border-color .24s var(--ease), background-color .24s var(--ease);
}

.page-news .filter-btn:hover {
  color: var(--text);
  border-color: var(--text-dim);
}

.page-news .filter-btn[aria-pressed="true"] {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(0, 229, 192, .08);
}

/* 条目 */

.page-news .feed {
  display: grid;
  gap: 10px;
}

.page-news .feed-group {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .14em;
  color: var(--gold);
  margin: 30px 0 4px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

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

.page-news .feed-item {
  position: relative;
  padding: 20px 22px;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-left-width: 2px;
  transition: border-color .24s var(--ease);
}

.page-news .feed-item:hover { border-left-color: var(--cyan); }

.page-news .feed-item--lead {
  background-image: linear-gradient(120deg, rgba(0, 229, 192, .1), rgba(0, 229, 192, 0) 60%);
  border-left-color: var(--cyan);
  padding-top: 26px;
  padding-bottom: 26px;
}

.page-news .feed-item__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 10px;
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: .05em;
}

.page-news .feed-item__title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.35;
  margin: 0 0 8px;
  color: var(--text);
}

.page-news .feed-item--lead .feed-item__title { font-size: 24px; }

.page-news .feed-item__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-news .filter-empty {
  margin: 16px 0 0;
  padding: 22px 20px;
  border: 1px dashed var(--line);
  font-size: 14px;
  color: var(--text-dim);
}

.page-news .filter-empty[hidden] { display: none; }

/* ---------- 04 归档 ---------- */

.page-news .archive-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.6vw, 48px);
  align-items: start;
}

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

.page-news .archive-figure img {
  width: 100%;
  display: block;
  border: 1px solid var(--line);
  background: var(--bg-panel);
  object-fit: cover;
  aspect-ratio: 4 / 3;
  filter: saturate(.72) brightness(.92);
}

.page-news .archive-figure .media__cap {
  display: block;
  margin-top: 12px;
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.7;
}

.page-news .archive-list {
  display: grid;
  gap: 0;
  min-width: 0;
}

.page-news .archive-item {
  position: relative;
  padding: 20px 0 22px 24px;
  border-left: 1px solid var(--line);
}

.page-news .archive-item::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 26px;
  width: 7px;
  height: 7px;
  background: var(--legacy);
}

.page-news .archive-item__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 8px;
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: .05em;
}

.page-news .archive-item__title {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.35;
  margin: 0 0 8px;
  color: var(--text);
}

.page-news .archive-item__text {
  margin: 0 0 8px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-news .archive-item__how {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-dim);
  padding-top: 10px;
  border-top: 1px dashed var(--line);
}

/* ---------- 05 栏目系列 ---------- */

.page-news .series-wrap {
  position: relative;
  isolation: isolate;
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-news .series-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .22;
  pointer-events: none;
}

.page-news .series-list {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line-soft);
}

.page-news .series-item {
  padding: 24px 22px;
  background: rgba(11, 20, 36, .84);
}

.page-news .series-item__meta {
  margin: 0 0 8px;
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-news .series-item__title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.35;
  margin: 0 0 8px;
  color: var(--text);
}

.page-news .series-item__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--text-dim);
}

/* ---------- 06 更新节奏 ---------- */

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

.page-news .cadence-card {
  border-top: 2px solid var(--cyan);
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-void);
  padding: 24px 22px;
}

.page-news .cadence-card:nth-child(2) { border-top-color: var(--gold); }
.page-news .cadence-card:nth-child(3) { border-top-color: var(--legacy); }

.page-news .cadence-card__meta {
  margin: 0 0 10px;
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--text-dim);
}

.page-news .cadence-card__title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.35;
  margin: 0 0 10px;
  color: var(--text);
}

.page-news .cadence-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-news .cadence-note {
  margin: clamp(24px, 3.2vw, 38px) 0 0;
  padding: 18px 22px;
  border-left: 2px solid var(--gold);
  background: var(--bg-void);
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-news .cadence-note a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan);
  padding-bottom: 1px;
}

.page-news .cadence-note a:hover { color: var(--cyan); }

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-news .series-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-news .cadence-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 900px) {
  .page-news .news-hero {
    grid-template-columns: 5fr 6fr;
    gap: clamp(36px, 4.4vw, 72px);
  }

  .page-news .latest-grid {
    grid-template-columns: 7fr 5fr;
  }

  .page-news .archive-grid {
    grid-template-columns: 5fr 6fr;
  }
}

@media (min-width: 1024px) {
  .page-news .news-stream {
    grid-template-columns: minmax(0, 1fr) minmax(0, 2.2fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-news .stream-rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
  }

  .page-news .stream-rail__list {
    display: grid;
    gap: 0;
    overflow: visible;
    padding: 0;
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .page-news .stream-rail__list li { flex: none; }

  .page-news .stream-node {
    border: 0;
    border-left: 2px solid transparent;
    background: transparent;
    padding: 14px 16px 14px 18px;
    min-width: 0;
  }

  .page-news .stream-node:hover { background: var(--bg-panel); }

  .page-news .stream-node.is-active {
    border-left-color: var(--cyan);
    border-top-color: transparent;
    background: rgba(0, 229, 192, .05);
  }
}

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

@media (max-width: 560px) {
  .page-news .news-hero__facts {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-news .news-hero__facts li + li {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--line-soft);
  }

  .page-news .feed-item { padding: 18px 16px; }
  .page-news .feed-item__title { font-size: 18px; }
  .page-news .feed-item--lead .feed-item__title { font-size: 20px; }
  .page-news .archive-item { padding-left: 18px; }
  .page-news .cadence-note { padding: 16px 18px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .filter-btn,
  .page-news .stream-node,
  .page-news .feed-item {
    transition: none;
  }
}