.page-news {
  --news-gap: clamp(16px, 2.6vw, 32px);
  --news-radius: 18px;
  --news-sticky: calc(var(--header-h) + 28px);
  background: var(--bg);
}

/* ---------- 报头 ---------- */
.page-news .news-masthead {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 4vw, 40px);
  padding-top: clamp(18px, 4vw, 44px);
  padding-bottom: clamp(32px, 6vw, 72px);
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-news .news-masthead::after {
  content: "";
  position: absolute;
  right: -10%;
  bottom: -60%;
  width: min(620px, 90%);
  height: 360px;
  background: radial-gradient(closest-side, rgba(49, 224, 214, 0.16), transparent 72%);
  pointer-events: none;
}

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

.page-news .masthead-rail {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.page-news .rail-word {
  color: var(--text-dim);
}

.page-news .rail-num {
  color: var(--amber-500);
  letter-spacing: 0.1em;
}

.page-news .masthead-kicker {
  margin: 0 0 12px;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--amber-300);
}

.page-news .masthead-kicker::before {
  content: "";
  display: inline-block;
  width: 26px;
  height: 1px;
  margin-right: 10px;
  vertical-align: middle;
  background: var(--amber-500);
}

.page-news .masthead-main h1 {
  margin: 0 0 18px;
  max-width: 15em;
  font-size: clamp(30px, 6.2vw, 64px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  font-weight: 700;
  color: var(--text);
}

.page-news .masthead-lead {
  max-width: 32em;
  margin: 0 0 clamp(20px, 3vw, 30px);
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--text-dim);
}

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

.page-news .masthead-stats {
  display: grid;
  gap: 16px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-news .stat {
  display: grid;
  gap: 4px;
}

.page-news .stat-num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--amber-500);
  -webkit-text-stroke: 1px rgba(242, 163, 58, 0.35);
}

.page-news .stat-label {
  font-size: var(--fs-12);
  line-height: 1.5;
  color: var(--text-dim);
}

@media (min-width: 700px) and (max-width: 959px) {
  .page-news .masthead-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-news .news-masthead {
    grid-template-columns: 72px minmax(0, 1fr) 236px;
    align-items: start;
    column-gap: clamp(20px, 3vw, 44px);
  }

  .page-news .masthead-rail {
    flex-direction: row-reverse;
    writing-mode: vertical-rl;
    align-items: center;
    padding-top: 6px;
  }

  .page-news .masthead-stats {
    padding: 4px 0 0 clamp(16px, 2vw, 26px);
    border-top: none;
    border-left: 1px solid var(--line);
  }
}

/* ---------- 头条 ---------- */
.page-news .top-story-section {
  padding-top: clamp(40px, 7vw, 88px);
}

.page-news .top-story-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
}

@media (min-width: 960px) {
  .page-news .top-story-grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: start;
  }
}

.page-news .top-story-media {
  position: relative;
  margin: 0;
}

.page-news .top-story-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--news-radius);
  border: 1px solid var(--line);
  box-shadow: 0 40px 70px -50px rgba(0, 0, 0, 0.95);
}

.page-news .story-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  padding: 6px 14px 6px 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--ink-900);
  background: var(--amber-500);
  clip-path: polygon(0 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
}

.page-news .top-story-media .media__caption {
  display: block;
  padding-top: 10px;
  font-size: var(--fs-12);
  color: var(--text-faint);
}

.page-news .top-story-body {
  margin-top: 20px;
  padding-left: clamp(12px, 2vw, 26px);
  border-left: 1px solid var(--line);
}

.page-news .story-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

.page-news .top-story-body h2 {
  margin: 0 0 14px;
  font-size: clamp(23px, 3.2vw, 38px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-news .story-lead {
  max-width: 34em;
  margin: 0 0 20px;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--text-dim);
}

.page-news .dim-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.page-news .dim-list li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 13px;
  font-size: var(--fs-12);
  color: var(--text-dim);
  border: 1px solid var(--line-soft);
  border-radius: 999px;
}

.page-news .dim-list .mono-num {
  font-family: var(--font-mono);
  color: var(--cyan-400);
}

.page-news .link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 3px;
  font-size: var(--fs-14);
  color: var(--amber-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 163, 58, 0.5);
  transition: gap var(--dur) var(--ease-out), color var(--dur) var(--ease-out);
}

.page-news .link-arrow::after {
  content: "→";
}

.page-news .link-arrow:hover,
.page-news .link-arrow:focus-visible {
  gap: 14px;
  color: var(--cyan-400);
  border-bottom-color: var(--cyan-400);
}

/* 栏目索引 */
.page-news .cat-index {
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--news-radius);
  background: linear-gradient(160deg, rgba(28, 28, 40, 0.95), rgba(18, 18, 26, 0.95));
}

@media (min-width: 960px) {
  .page-news .cat-index {
    position: sticky;
    top: var(--news-sticky);
  }
}

.page-news .cat-index-title {
  margin: 0 0 6px;
  font-size: var(--fs-14);
  letter-spacing: 0.14em;
  color: var(--amber-300);
}

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

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

.page-news .cat-name {
  font-size: var(--fs-16);
  color: var(--text);
}

.page-news .cat-count {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  color: var(--cyan-400);
}

.page-news .cat-note {
  margin: 16px 0 0;
  font-size: var(--fs-12);
  line-height: 1.75;
  color: var(--text-dim);
}

/* ---------- 列表区 ---------- */
.page-news .list-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
}

@media (min-width: 980px) {
  .page-news .list-grid {
    grid-template-columns: minmax(200px, 248px) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .version-scale {
    position: sticky;
    top: var(--news-sticky);
  }
}

.page-news .version-scale {
  padding: 4px 0 4px 20px;
  border-left: 1px solid var(--line);
}

.page-news .scale-title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--text-faint);
}

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

.page-news .scale-list li {
  position: relative;
  padding: 0 0 20px 18px;
}

.page-news .scale-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--amber-500);
  box-shadow: 0 0 0 4px rgba(242, 163, 58, 0.14);
}

.page-news .scale-list li::after {
  content: "";
  position: absolute;
  left: 3px;
  top: 16px;
  bottom: 0;
  width: 1px;
  background: var(--line-soft);
}

.page-news .scale-list li:last-child::after {
  display: none;
}

.page-news .scale-list strong {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-16);
  letter-spacing: 0.06em;
  color: var(--text);
}

.page-news .scale-list p {
  margin: 6px 0 0;
  font-size: var(--fs-12);
  line-height: 1.7;
  color: var(--text-dim);
}

.page-news .scale-note {
  margin: 4px 0 16px;
  font-size: var(--fs-12);
  line-height: 1.75;
  color: var(--text-faint);
}

.page-news .filter-band {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
  padding: 18px 0 6px;
  border-top: 1px solid var(--line-soft);
}

.page-news .review-items {
  border-bottom: 1px solid var(--line-soft);
}

.page-news .review-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px 20px;
  padding: clamp(16px, 2.2vw, 24px) 12px clamp(16px, 2.2vw, 24px) 0;
  border-top: 1px solid var(--line-soft);
  transition: background-color var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
}

.page-news .review-item:hover {
  border-top-color: var(--amber-500);
  background: linear-gradient(90deg, rgba(242, 163, 58, 0.07), transparent 65%);
}

.page-news .item-time {
  margin: 2px 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--cyan-400);
}

.page-news .item-body h3 {
  margin: 0 0 8px;
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.4;
  letter-spacing: -0.005em;
  color: var(--text);
}

.page-news .item-body p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--text-dim);
}

.page-news .item-tag {
  margin: 4px 0 0;
}

@media (min-width: 720px) {
  .page-news .review-item {
    grid-template-columns: 132px minmax(0, 1fr) 96px;
    align-items: start;
  }

  .page-news .item-tag {
    justify-self: end;
    text-align: right;
  }

  .page-news .review-item--featured {
    grid-template-columns: 132px minmax(0, 1fr);
  }

  .page-news .review-item--featured .item-tag {
    grid-column: 2;
    justify-self: start;
    margin-top: 12px;
  }
}

.page-news .review-thumb {
  margin: 0 0 14px;
}

.page-news .review-thumb img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--line-soft);
}

.page-news .list-aside {
  max-width: 34em;
  margin: clamp(18px, 3vw, 26px) 0;
  padding: 2px 0 2px 18px;
  border-left: 2px solid var(--amber-500);
}

.page-news .list-aside p {
  margin: 0 0 10px;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--text-dim);
}

@media (min-width: 720px) {
  .page-news .list-aside {
    margin-left: 152px;
  }
}

/* ---------- 专题横滑 ---------- */
.page-news .series-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 78%;
  gap: clamp(14px, 2.4vw, 24px);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 10px 2px 26px;
  scrollbar-width: thin;
}

.page-news .series-card {
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: var(--news-radius);
  background: var(--surface);
  transition: transform var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
}

.page-news .series-card img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-news .series-body {
  padding: clamp(16px, 2vw, 22px);
}

.page-news .series-card h3 {
  margin: 10px 0 8px;
  font-size: clamp(17px, 1.8vw, 21px);
  line-height: 1.4;
  color: var(--text);
}

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

.page-news .series-card--solid {
  justify-content: space-between;
  padding: clamp(20px, 3vw, 28px);
  min-height: 260px;
  background: linear-gradient(155deg, rgba(139, 92, 246, 0.24), rgba(14, 127, 122, 0.22) 55%, var(--ink-800));
}

.page-news .series-card--solid h3 {
  margin: 12px 0 10px;
  color: var(--amber-300);
}

@media (min-width: 780px) {
  .page-news .series-track {
    grid-auto-flow: row;
    grid-auto-columns: auto;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    overflow: visible;
    padding: 12px 0 26px;
  }

  .page-news .series-card:nth-child(odd) {
    transform: rotate(-0.8deg);
  }

  .page-news .series-card:nth-child(even) {
    transform: rotate(0.9deg);
  }

  .page-news .series-card:hover {
    transform: rotate(0deg) translateY(-5px);
    border-color: var(--amber-500);
  }
}

/* ---------- 作者与方法 ---------- */
.page-news .method-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
}

@media (min-width: 940px) {
  .page-news .method-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
}

.page-news .method-lead p {
  max-width: 30em;
  margin: 0 0 16px;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--text-dim);
}

.page-news .method-dims {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .method-dims li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 10px 16px 0;
  border-top: 1px solid var(--line-soft);
  transition: background-color var(--dur) var(--ease-out);
}

.page-news .method-dims li:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-news .method-dims li:hover {
  background: rgba(49, 224, 214, 0.06);
}

.page-news .method-dims .mono-num {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.06em;
  color: var(--cyan-400);
  padding-top: 3px;
}

.page-news .method-dims h3 {
  margin: 0 0 6px;
  font-size: var(--fs-16);
  color: var(--text);
}

.page-news .method-dims p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--text-dim);
}

/* ---------- 更新节奏 ---------- */
.page-news .rhythm-section {
  margin-top: clamp(40px, 7vw, 96px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 140% at 10% 0%, rgba(242, 163, 58, 0.17), transparent 62%),
    radial-gradient(100% 130% at 100% 100%, rgba(49, 224, 214, 0.13), transparent 64%),
    var(--ink-800);
}

.page-news .rhythm-inner {
  max-width: 900px;
}

.page-news .rhythm-figure {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: clamp(48px, 9vw, 112px);
  line-height: 1;
  letter-spacing: 0.01em;
  color: transparent;
  -webkit-text-stroke: 1px var(--amber-500);
}

.page-news .rhythm-inner h2 {
  margin: 0 0 16px;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.15;
  color: var(--text);
}

.page-news .rhythm-inner p {
  max-width: 34em;
  margin: 0 0 clamp(20px, 3vw, 30px);
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--text-dim);
}

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

.page-news .rhythm-inner p:last-of-type {
  margin-bottom: clamp(20px, 3vw, 30px);
}

@media (prefers-reduced-motion: reduce) {
  .page-news .series-card,
  .page-news .review-item,
  .page-news .link-arrow {
    transition: none;
  }

  .page-news .series-card:nth-child(odd),
  .page-news .series-card:nth-child(even) {
    transform: none;
  }
}