.page-news {
  background: var(--ink);
  color: var(--light);
  overflow-x: clip;
}

.page-news .num {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}

.page-news .eyebrow {
  color: var(--orange);
}

.page-news .section-head {
  max-width: 68ch;
  margin-bottom: clamp(1.6rem, 4vw, 2.6rem);
}

.page-news .section-head p {
  color: var(--mist);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding: clamp(1.8rem, 5vw, 3rem) 0 clamp(2.4rem, 6vw, 4rem);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(255, 106, 43, .22), transparent 58%),
    radial-gradient(90% 70% at 6% 100%, rgba(79, 160, 139, .16), transparent 62%),
    linear-gradient(158deg, var(--ink-2), var(--ink) 68%);
  border-bottom: 1px solid var(--line);
}

.page-news .crumb {
  margin-bottom: clamp(1.4rem, 4vw, 2.4rem);
  font-size: var(--fs-label);
  letter-spacing: .14em;
  color: var(--mist);
}

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

.page-news .crumb span[aria-current] {
  color: var(--light);
}

.page-news .hero-grid {
  display: grid;
  gap: clamp(24px, 5vw, 48px);
  align-items: end;
}

.page-news .hero-copy h1 {
  margin: .35em 0 .5em;
  font-size: clamp(2.1rem, 8.4vw, 4.4rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: .02em;
  color: var(--light);
}

.page-news .hero-copy h1 em {
  font-style: normal;
  color: var(--orange);
}

.page-news .hero-copy .lede {
  max-width: 52ch;
  color: var(--light);
  opacity: .84;
}

.page-news .hero-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 18px;
  margin: clamp(1.6rem, 4vw, 2.4rem) 0;
}

.page-news .metric {
  padding-top: 12px;
  border-top: 1px solid var(--line-strong);
}

.page-news .metric-num {
  display: block;
  font-size: clamp(1.5rem, 5vw, 2rem);
  line-height: 1;
  color: var(--gold);
}

.page-news .metric-label {
  display: block;
  margin-top: 8px;
  font-size: var(--fs-label);
  letter-spacing: .14em;
  color: var(--mist);
}

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

.page-news .hero-media {
  position: relative;
}

.page-news .hero-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--r-lg) var(--r-sm) var(--r-lg) var(--r-lg);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-card);
}

/* ---------- 栏目标签 ---------- */
.page-news .tag-board {
  padding: clamp(2.2rem, 6vw, 3.4rem) 0;
  background: linear-gradient(180deg, rgba(18, 48, 74, .45), transparent 92%);
  border-bottom: 1px solid var(--line);
}

.page-news .cat--brief { --c: var(--orange); }
.page-news .cat--check { --c: var(--celadon); }
.page-news .cat--archive { --c: var(--gold); }
.page-news .cat--version { --c: var(--mist); }

.page-news .tag-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .tag-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 20px 20px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: linear-gradient(165deg, rgba(18, 48, 74, .88), rgba(10, 26, 42, .92));
  color: var(--light);
  text-decoration: none;
  overflow: hidden;
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}

.page-news .tag-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: var(--c);
}

.page-news .tag-card:hover,
.page-news .tag-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--c);
}

.page-news .tag-card-idx {
  font-family: var(--mono);
  font-size: var(--fs-label);
  letter-spacing: .2em;
  color: var(--c);
}

.page-news .tag-card-name {
  font-size: var(--fs-h4);
  font-weight: 900;
  letter-spacing: .04em;
}

.page-news .tag-card-desc {
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--mist);
}

.page-news .tag-card-more {
  margin-top: auto;
  font-size: var(--fs-label);
  letter-spacing: .16em;
  color: var(--c);
}

/* ---------- 时间轴 ---------- */
.page-news .news-timeline {
  padding: clamp(2.8rem, 7vw, 4.6rem) 0 clamp(2.6rem, 6vw, 4rem);
}

.page-news .tl {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .tl::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 15px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--orange), var(--gold) 34%, var(--celadon) 68%, var(--mist));
  opacity: .5;
}

.page-news .tl-item {
  position: relative;
  padding-left: 50px;
  margin-bottom: 20px;
}

.page-news .tl-item:last-child {
  margin-bottom: 0;
}

.page-news .tl-node {
  position: absolute;
  left: 7px;
  top: 26px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--ink);
  border: 3px solid var(--gold);
  box-shadow: 0 0 0 4px rgba(228, 178, 76, .12);
}

.page-news .tl-card {
  display: block;
  padding: 20px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(18, 48, 74, .9), rgba(10, 26, 42, .94));
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}

.page-news .tl-card:hover {
  border-color: var(--c, var(--line-strong));
  transform: translateY(-2px);
}

.page-news .tl-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.page-news .cat {
  display: inline-flex;
  align-items: center;
  padding: .28em .85em;
  border-radius: var(--r-pill);
  border: 1px solid currentColor;
  font-size: var(--fs-label);
  letter-spacing: .14em;
  color: var(--c, var(--mist));
  background: rgba(10, 26, 42, .5);
}

.page-news .tl-no {
  font-size: var(--fs-label);
  letter-spacing: .14em;
  color: var(--gold);
}

.page-news .tl-time {
  font-size: var(--fs-label);
  letter-spacing: .14em;
  color: var(--mist);
}

.page-news .tl-card h3 {
  margin: 0 0 10px;
  font-size: clamp(1.1rem, 3vw, 1.35rem);
  font-weight: 900;
  letter-spacing: .02em;
  color: var(--light);
}

.page-news .tl-card p {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.75;
  color: var(--mist);
}

.page-news .tl-more {
  margin-top: 12px;
  border-top: 1px dashed var(--line);
  padding-top: 10px;
}

.page-news .tl-more summary {
  cursor: pointer;
  list-style: none;
  font-size: var(--fs-label);
  letter-spacing: .16em;
  color: var(--gold);
}

.page-news .tl-more summary::-webkit-details-marker {
  display: none;
}

.page-news .tl-more summary::after {
  content: " +";
}

.page-news .tl-more[open] summary::after {
  content: " −";
}

.page-news .tl-more p {
  margin-top: 10px;
}

.page-news .tl-link {
  display: inline-block;
  margin-top: 12px;
  font-size: var(--fs-label);
  letter-spacing: .16em;
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 106, 43, .5);
  padding-bottom: 2px;
}

/* ---------- 核对手记（奶油白区段） ---------- */
.page-news .notes {
  padding: clamp(3rem, 8vw, 5rem) 0;
  color: var(--charcoal);
}

.page-news .notes .eyebrow {
  color: var(--brick);
}

.page-news .notes h2 {
  margin: .3em 0 .6em;
  color: var(--charcoal);
}

.page-news .notes h3 {
  color: var(--charcoal);
}

.page-news .notes p {
  color: rgba(15, 20, 24, .78);
}

.page-news .notes-grid {
  display: grid;
  gap: clamp(26px, 5vw, 52px);
  align-items: start;
}

.page-news .method-list {
  display: grid;
  gap: 16px;
  margin: clamp(1.6rem, 4vw, 2.2rem) 0 0;
  padding: 0;
  list-style: none;
}

.page-news .method {
  padding: 18px;
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, .62);
  border: 1px solid var(--line-dark);
}

.page-news .method-num {
  display: block;
  font-size: var(--fs-small);
  letter-spacing: .2em;
  color: var(--brick);
}

.page-news .method h3 {
  margin: 8px 0 6px;
  font-size: 1.05rem;
  font-weight: 900;
}

.page-news .method p {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.72;
}

.page-news .notes-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(1.6rem, 4vw, 2.2rem);
}

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

.page-news .notes-caption {
  margin: 12px 0 0;
  font-size: var(--fs-small);
  letter-spacing: .02em;
  color: rgba(15, 20, 24, .6);
}

/* ---------- 归档合辑 ---------- */
.page-news .archive-band {
  padding-bottom: clamp(2.6rem, 7vw, 4.2rem);
  background: var(--ink);
}

.page-news .archive-banner {
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: clamp(2.4rem, 7vw, 4.2rem) 0;
  margin-bottom: clamp(1.8rem, 5vw, 2.6rem);
}

.page-news .archive-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .32;
}

.page-news .archive-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(10, 26, 42, .95), rgba(18, 48, 74, .76) 58%, rgba(255, 106, 43, .3));
}

.page-news .archive-banner-inner {
  position: relative;
  z-index: 1;
}

.page-news .archive-banner-inner h2 {
  margin: .3em 0 .5em;
  color: var(--light);
  letter-spacing: .04em;
}

.page-news .archive-banner-inner p {
  max-width: 64ch;
  color: var(--light);
  opacity: .86;
}

.page-news .year-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .year-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: rgba(18, 48, 74, .58);
}

.page-news .year-card--current {
  border-color: rgba(228, 178, 76, .55);
  background: linear-gradient(160deg, rgba(228, 178, 76, .16), rgba(18, 48, 74, .7));
}

.page-news .year-num {
  font-family: var(--mono);
  font-size: 1.3rem;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-news .year-desc {
  font-size: var(--fs-small);
  line-height: 1.65;
  color: var(--mist);
}

.page-news .archive-note {
  margin: clamp(1.4rem, 4vw, 2rem) 0 0;
  max-width: 72ch;
  font-size: var(--fs-small);
  line-height: 1.8;
  color: var(--mist);
}

.page-news .archive-note a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(228, 178, 76, .45);
}

/* ---------- 版本说明 ---------- */
.page-news .versions {
  padding: clamp(3rem, 8vw, 5rem) 0;
  color: var(--charcoal);
}

.page-news .versions .eyebrow {
  color: var(--brick);
}

.page-news .versions h2 {
  margin: .3em 0 .6em;
  color: var(--charcoal);
}

.page-news .versions-grid {
  display: grid;
  gap: clamp(26px, 5vw, 48px);
  align-items: start;
}

.page-news .versions-main > p {
  max-width: 60ch;
  color: rgba(15, 20, 24, .78);
}

.page-news .version-list {
  display: grid;
  gap: 12px;
  margin: clamp(1.5rem, 4vw, 2.2rem) 0 0;
  padding: 0;
  list-style: none;
}

.page-news .version-item {
  padding: 16px 18px;
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, .62);
  border: 1px solid var(--line-dark);
  border-left: 3px solid var(--orange);
}

.page-news .version-item:nth-child(2) { border-left-color: var(--celadon); }
.page-news .version-item:nth-child(3) { border-left-color: var(--gold); }
.page-news .version-item:nth-child(4) { border-left-color: var(--mist); }

.page-news .version-tag {
  display: block;
  font-size: var(--fs-label);
  letter-spacing: .16em;
  color: rgba(15, 20, 24, .58);
}

.page-news .version-item h3 {
  margin: 8px 0 6px;
  font-size: 1.05rem;
  font-weight: 900;
  color: var(--charcoal);
}

.page-news .version-item p {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.72;
  color: rgba(15, 20, 24, .76);
}

.page-news .versions-side {
  display: grid;
  gap: 18px;
}

.page-news .cadence {
  padding: 22px;
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, var(--ink-2), var(--ink));
  color: var(--light);
}

.page-news .cadence-title {
  margin: 0 0 14px;
  font-size: var(--fs-label);
  letter-spacing: .2em;
  color: var(--gold);
}

.page-news .cadence-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-news .cadence-list li {
  display: grid;
  gap: 6px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.page-news .cadence-key {
  font-size: var(--fs-small);
  letter-spacing: .12em;
  color: var(--orange);
}

.page-news .cadence-val {
  font-size: var(--fs-small);
  line-height: 1.72;
  color: var(--light);
  opacity: .84;
}

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

/* ---------- 行动段 ---------- */
.page-news .final-cta {
  padding: clamp(3rem, 8vw, 5rem) 0;
  background:
    radial-gradient(110% 120% at 100% 0%, rgba(255, 106, 43, .26), transparent 58%),
    linear-gradient(150deg, var(--ink-2), var(--ink) 70%);
  border-top: 1px solid var(--line);
}

.page-news .cta-inner {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-news .final-cta h2 {
  margin: .3em 0 .5em;
  color: var(--light);
}

.page-news .final-cta p {
  max-width: 62ch;
  color: var(--light);
  opacity: .84;
}

.page-news .cta-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-self: end;
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-news .tag-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-news .hero-grid {
    grid-template-columns: 1.05fr .95fr;
  }

  .page-news .notes-grid {
    grid-template-columns: 1.1fr .9fr;
  }

  .page-news .versions-grid {
    grid-template-columns: 1.08fr .92fr;
  }

  .page-news .cta-inner {
    grid-template-columns: 1.15fr .85fr;
    align-items: end;
  }

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

@media (min-width: 1024px) {
  .page-news .tag-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-news .tl::before {
    left: 50%;
    transform: translateX(-1px);
  }

  .page-news .tl-item {
    width: 50%;
    padding-left: 0;
    padding-right: 54px;
    margin-bottom: 10px;
  }

  .page-news .tl-item:nth-child(even) {
    margin-left: 50%;
    padding-right: 0;
    padding-left: 54px;
  }

  .page-news .tl-node {
    left: auto;
    right: -9px;
    top: 30px;
  }

  .page-news .tl-item:nth-child(even) .tl-node {
    right: auto;
    left: -9px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .tag-card,
  .page-news .tl-card {
    transition: none;
  }

  .page-news .tag-card:hover,
  .page-news .tl-card:hover {
    transform: none;
  }
}