.page-news {
  --nw-card: rgba(12, 32, 50, .82);
  --nw-card-soft: rgba(22, 53, 77, .42);
  padding-bottom: clamp(40px, 7vw, 88px);
  color: var(--text);
  font-family: var(--font-sans);
}

.page-news .breadcrumbs {
  padding-top: clamp(16px, 3vw, 28px);
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .07em;
  color: var(--silver);
}

.page-news .breadcrumbs a {
  color: var(--silver);
  text-decoration: none;
  transition: color .16s var(--ease);
}

.page-news .breadcrumbs a:hover,
.page-news .breadcrumbs a:focus-visible {
  color: var(--gold-soft);
}

.page-news .breadcrumbs [aria-current="page"] {
  color: var(--gold-soft);
}

/* ---------- 首屏 ---------- */
.page-news .nw-hero {
  padding: clamp(18px, 3.5vw, 44px) 0 clamp(22px, 4vw, 48px);
}

.page-news .nw-hero-grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  align-items: center;
}

.page-news .nw-hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.85rem, 6vw, 3.15rem);
  line-height: 1.16;
  letter-spacing: -.02em;
  margin: .45em 0 .5em;
  color: var(--text);
}

.page-news .nw-hero-lead {
  margin: 0;
  max-width: 36em;
  font-size: clamp(1rem, 1.6vw, 1.08rem);
  line-height: 1.85;
  color: var(--silver);
}

.page-news .nw-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(18px, 3vw, 26px) 0 0;
}

.page-news .nw-hero-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(88px, 1fr));
  gap: 12px;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
}

.page-news .nw-hero-facts dt {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .08em;
  color: var(--silver);
}

.page-news .nw-hero-facts dd {
  margin: 0;
  font-size: .95rem;
  font-weight: 600;
  color: var(--gold-soft);
}

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

.page-news .media-frame {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--ink-800);
}

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

.page-news .media-caption {
  margin: 10px 0 0;
  font-size: .78rem;
  line-height: 1.6;
  letter-spacing: .02em;
  color: var(--silver);
}

/* ---------- 通用章节 ---------- */
.page-news .nw-section {
  padding: clamp(34px, 5vw, 66px) 0;
}

.page-news .nw-section--alt {
  background: linear-gradient(180deg, rgba(12, 32, 50, .55), rgba(7, 21, 33, 0));
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-news .nw-section-head {
  max-width: 60ch;
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-news .nw-section-head .section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.6vw, 2.25rem);
  line-height: 1.22;
  letter-spacing: -.015em;
  margin: .35em 0 .5em;
  color: var(--text);
}

.page-news .nw-section-head .section-lead {
  margin: 0;
  font-size: .98rem;
  line-height: 1.82;
  color: var(--silver);
}

/* ---------- 分类条 ---------- */
.page-news .nw-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px 0;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-news .nw-filter a {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .07em;
  color: var(--silver);
  text-decoration: none;
  transition: color .16s var(--ease), border-color .16s var(--ease), background .16s var(--ease);
}

.page-news .nw-filter a:hover,
.page-news .nw-filter a:focus-visible {
  color: var(--gold-soft);
  border-color: var(--line-gold);
  background: var(--nw-card-soft);
}

.page-news .nw-filter a:first-child {
  color: var(--ink-900);
  background: var(--amber);
  border-color: var(--amber);
  font-weight: 700;
}

.page-news .nw-filter a:first-child:hover,
.page-news .nw-filter a:first-child:focus-visible {
  color: var(--ink-900);
  background: var(--gold-soft);
  border-color: var(--gold-soft);
}

/* ---------- 更新条目 ---------- */
.page-news .nw-feed-list {
  display: grid;
  gap: 12px;
  margin-top: clamp(18px, 3vw, 28px);
}

.page-news .nw-item {
  background: linear-gradient(180deg, var(--nw-card), rgba(9, 26, 41, .94));
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  border-radius: 4px var(--r-md) var(--r-md) 4px;
  box-shadow: 0 16px 34px -28px var(--shadow);
  transition: border-color .18s var(--ease), background .18s var(--ease);
}

.page-news .nw-item[open] {
  border-left-color: var(--amber);
  background: linear-gradient(180deg, rgba(22, 53, 77, .62), rgba(9, 26, 41, .96));
}

.page-news .nw-item > summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  display: grid;
  gap: 7px;
  padding: 15px 46px 15px 16px;
}

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

.page-news .nw-item > summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 13px;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--gold);
}

.page-news .nw-item[open] > summary::after {
  content: "–";
  color: var(--amber);
}

.page-news .nw-item > summary:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

.page-news .nw-item-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-news .nw-when {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--silver);
}

.page-news .nw-item-title {
  margin: 0;
  font-size: 1.03rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
}

.page-news .nw-item-lead {
  margin: 0;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--silver);
}

.page-news .nw-item-body {
  padding: 0 16px 16px;
  border-top: 1px solid var(--line-soft);
  margin-top: 2px;
}

.page-news .nw-item-body p {
  margin: 14px 0 0;
  font-size: .9rem;
  line-height: 1.82;
  color: var(--silver);
}

.page-news .nw-item-body a {
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
}

.page-news .nw-item-body a:hover,
.page-news .nw-item-body a:focus-visible {
  color: var(--amber);
}

/* ---------- 版本专栏 ---------- */
.page-news .nw-split {
  display: grid;
  gap: clamp(22px, 4vw, 42px);
  align-items: start;
}

.page-news .nw-versions {
  list-style: none;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .nw-version-card {
  display: grid;
  gap: 6px;
  padding: 15px 16px;
  background: var(--nw-card);
  border: 1px solid var(--line);
  border-top: 2px solid var(--gold);
  border-radius: var(--r-md);
}

.page-news .nw-version-card h3 {
  margin: 0;
  font-size: .99rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
}

.page-news .nw-version-card p {
  margin: 0;
  font-size: .88rem;
  line-height: 1.78;
  color: var(--silver);
}

.page-news .nw-version-no {
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .12em;
  color: var(--gold-soft);
}

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

/* ---------- 维护日志 ---------- */
.page-news .nw-log-grid {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  align-items: start;
}

.page-news .nw-log {
  display: grid;
  gap: 0;
  border-left: 1px solid var(--line);
}

.page-news .nw-log-row {
  position: relative;
  padding: 0 0 clamp(18px, 3vw, 26px) clamp(18px, 3vw, 26px);
}

.page-news .nw-log-row::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 6px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(215, 166, 74, .14);
}

.page-news .nw-log-row:last-child {
  padding-bottom: 0;
}

.page-news .nw-log-when {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--amber);
}

.page-news .nw-log-row h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
}

.page-news .nw-log-row p {
  margin: 0;
  font-size: .89rem;
  line-height: 1.8;
  color: var(--silver);
}

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

/* ---------- 流程优化 ---------- */
.page-news .nw-process-grid {
  display: grid;
  gap: clamp(22px, 4vw, 42px);
  align-items: start;
}

.page-news .nw-process {
  display: grid;
  gap: 12px;
}

.page-news .nw-process-row {
  padding: 15px 16px;
  background: var(--nw-card);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
}

.page-news .nw-process-row h3 {
  margin: 10px 0 6px;
  font-size: .99rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
}

.page-news .nw-process-row p {
  margin: 0;
  font-size: .89rem;
  line-height: 1.8;
  color: var(--silver);
}

.page-news .nw-process-figure {
  margin: 0;
  display: grid;
  gap: 14px;
}

.page-news .nw-svg {
  display: block;
  width: 100%;
  height: auto;
  padding: 14px 10px;
  background: var(--nw-card-soft);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
}

/* ---------- 回访入口 ---------- */
.page-news .nw-return-grid {
  display: grid;
  gap: 12px;
}

.page-news .nw-return-card {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 18px 16px;
  background: var(--nw-card);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
}

.page-news .nw-return-card--accent {
  background: linear-gradient(160deg, rgba(242, 163, 58, .16), rgba(12, 32, 50, .92));
  border-color: rgba(242, 163, 58, .4);
}

.page-news .nw-return-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.16rem;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-news .nw-return-card p {
  margin: 0 0 4px;
  font-size: .89rem;
  line-height: 1.78;
  color: var(--silver);
}

.page-news .nw-return-card .btn {
  justify-self: start;
}

.page-news .nw-return-note {
  margin: clamp(18px, 3vw, 26px) 0 0;
  font-size: .87rem;
  line-height: 1.8;
  color: var(--silver);
}

.page-news .nw-return-note a {
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
}

.page-news .nw-return-note a:hover,
.page-news .nw-return-note a:focus-visible {
  color: var(--amber);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .nw-return-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 940px) {
  .page-news .nw-hero-grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
  }

  .page-news .nw-split {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  }

  .page-news .nw-log-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-news .nw-log-figure {
    position: sticky;
    top: 96px;
  }

  .page-news .nw-process-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .95fr);
  }

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

@media (max-width: 480px) {
  .page-news .nw-hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .page-news .nw-filter a {
    font-size: .7rem;
    padding: 6px 11px;
  }
}