.page-news {
  --news-gap: clamp(16px, 2.6vw, 26px);
  --news-surface: linear-gradient(168deg, rgba(17, 26, 51, .94), rgba(10, 16, 34, .88));
  --news-hair: rgba(185, 167, 255, .18);
  padding-bottom: clamp(56px, 9vw, 120px);
}

.page-news .breadcrumbs {
  padding-top: clamp(18px, 3vw, 30px);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--haze);
}

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

.page-news .breadcrumbs a:hover {
  text-decoration: underline;
}

.page-news .breadcrumbs span {
  margin: 0 8px;
}

/* ---------- 首屏拼贴 ---------- */
.page-news .news-hero {
  position: relative;
  padding-top: clamp(22px, 4vw, 44px);
  padding-bottom: clamp(26px, 5vw, 54px);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: -14%;
  left: -34%;
  width: 96%;
  height: 78%;
  background:
    radial-gradient(52% 68% at 34% 30%, rgba(124, 77, 255, .3), transparent 72%),
    radial-gradient(46% 60% at 78% 6%, rgba(0, 229, 255, .16), transparent 74%),
    radial-gradient(38% 52% at 10% 82%, rgba(255, 61, 218, .14), transparent 76%);
  pointer-events: none;
  z-index: 0;
}

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

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

.page-news .news-hero__title {
  margin: 16px 0 0;
  max-width: 22ch;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(27px, 6.2vw, 50px);
  line-height: 1.2;
  letter-spacing: .006em;
  color: var(--paper);
  text-shadow: 0 0 30px rgba(124, 77, 255, .42);
}

.page-news .news-hero__lead {
  max-width: 60ch;
  margin: 18px 0 0;
  font-size: clamp(14.5px, 2.1vw, 16.5px);
  line-height: 1.9;
  color: var(--haze);
}

.page-news .news-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 1px;
  list-style: none;
  background: rgba(185, 167, 255, .16);
  border: 1px solid var(--news-hair);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .news-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 15px 16px;
  background: rgba(9, 14, 30, .82);
}

.page-news .news-stat__num {
  font-family: var(--font-mono);
  font-size: clamp(19px, 3.4vw, 27px);
  font-weight: 700;
  letter-spacing: -.015em;
  color: var(--gold);
}

.page-news .news-stat__label {
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--haze);
}

.page-news .news-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(20px, 3.4vw, 32px);
}

.page-news .news-toc a {
  display: inline-block;
  padding: 7px 14px;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--paper);
  text-decoration: none;
  border: 1px solid var(--news-hair);
  border-radius: 999px;
  background: rgba(124, 77, 255, .1);
  transition: border-color .3s var(--ease), background .3s var(--ease), color .3s var(--ease);
}

.page-news .news-toc a:hover,
.page-news .news-toc a:focus-visible {
  border-color: var(--cyan);
  background: rgba(0, 229, 255, .12);
  color: var(--cyan);
}

/* ---------- 章节节奏 ---------- */
.page-news .news-sec {
  margin-top: clamp(52px, 8vw, 104px);
}

.page-news .news-sec .section__no {
  color: var(--gold);
  font-family: var(--font-mono);
}

.page-news .news-sec .section__title {
  font-family: var(--font-serif);
  color: var(--paper);
}

.page-news .news-sec .section__lead {
  color: var(--haze);
  max-width: 62ch;
}

/* ---------- 01 更新索引 ---------- */
.page-news .news-index {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
  margin-top: clamp(22px, 3.6vw, 36px);
}

.page-news .news-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(18px, 3vw, 26px);
  background: var(--news-surface);
  border: 1px solid var(--news-hair);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 22px 48px -34px rgba(0, 0, 0, .95);
}

.page-news .news-card::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--violet), var(--cyan) 46%, rgba(255, 61, 218, 0) 92%);
  opacity: .8;
}

.page-news .news-card--wide::after {
  background: linear-gradient(90deg, var(--magenta), var(--gold) 40%, rgba(0, 229, 255, 0) 92%);
}

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

.page-news .news-card__ver {
  font-family: var(--font-mono);
  font-size: clamp(20px, 3.6vw, 26px);
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--gold);
}

.page-news .news-card__title {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-size: clamp(16px, 2.5vw, 19px);
  line-height: 1.45;
  color: var(--paper);
}

.page-news .news-card__text {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(245, 247, 255, .8);
}

.page-news .news-card__more {
  margin-top: auto;
  padding-top: 14px;
}

.page-news .news-card__more summary {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px dashed rgba(185, 167, 255, .22);
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--cyan);
  cursor: pointer;
  list-style: none;
}

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

.page-news .news-card__more summary::after {
  content: "＋";
  font-size: 13px;
  line-height: 1;
}

.page-news .news-card__more[open] summary::after {
  content: "－";
}

.page-news .news-card__more p {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: rgba(185, 167, 255, .9);
}

/* ---------- 02 节点进展 ---------- */
.page-news .node-track {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
  margin-top: clamp(22px, 3.6vw, 36px);
}

.page-news .node-card {
  position: relative;
  padding: clamp(20px, 3vw, 28px) clamp(18px, 2.6vw, 26px) clamp(20px, 3vw, 28px) clamp(22px, 3vw, 30px);
  background: linear-gradient(172deg, rgba(17, 26, 51, .92), rgba(9, 14, 30, .86));
  border: 1px solid var(--news-hair);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .node-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--violet), var(--cyan));
}

.page-news .node-card--gz::before {
  background: linear-gradient(180deg, var(--violet), var(--magenta));
}

.page-news .node-card--cd::before {
  background: linear-gradient(180deg, var(--cyan), var(--gold));
}

.page-news .node-card__title {
  margin: 14px 0 0;
  font-family: var(--font-serif);
  font-size: clamp(17px, 2.6vw, 20px);
  line-height: 1.42;
  color: var(--paper);
}

.page-news .node-card p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(245, 247, 255, .8);
}

.page-news .node-card__list {
  display: grid;
  gap: 9px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .node-card__list li {
  position: relative;
  padding-left: 20px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--paper);
}

.page-news .node-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 10px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 03 版本时间线 ---------- */
.page-news .news-figure {
  margin: clamp(22px, 3.6vw, 36px) 0 0;
}

.page-news .news-figure .media-frame__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
}

.page-news .news-figure .media-frame__caption {
  margin-top: 10px;
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--haze);
}

.page-news .tl-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-news .tl-jump a {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  padding: 6px 13px;
  color: var(--cyan);
  text-decoration: none;
  border: 1px solid rgba(0, 229, 255, .28);
  border-radius: 999px;
  transition: background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
}

.page-news .tl-jump a:hover,
.page-news .tl-jump a:focus-visible {
  background: rgba(0, 229, 255, .14);
  border-color: var(--cyan);
  color: var(--paper);
}

.page-news .timeline {
  position: relative;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding-left: 28px;
  list-style: none;
}

.page-news .timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--violet), var(--cyan) 52%, var(--magenta));
  opacity: .55;
}

.page-news .tl-item {
  position: relative;
  padding: 0 0 clamp(22px, 3.6vw, 34px) 0;
}

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

.page-news .tl-item::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 7px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--void);
  border: 2px solid var(--cyan);
  box-shadow: 0 0 0 4px rgba(0, 229, 255, .1), 0 0 16px rgba(0, 229, 255, .55);
}

.page-news .tl-item:nth-child(even)::before {
  border-color: var(--violet);
  box-shadow: 0 0 0 4px rgba(124, 77, 255, .12), 0 0 16px rgba(124, 77, 255, .6);
}

.page-news .tl-ver {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(18px, 3.2vw, 24px);
  font-weight: 700;
  letter-spacing: -.015em;
  color: var(--gold);
}

.page-news .tl-title {
  margin: 6px 0 0;
  font-family: var(--font-serif);
  font-size: clamp(15.5px, 2.4vw, 18px);
  line-height: 1.45;
  color: var(--paper);
}

.page-news .tl-item p {
  margin: 8px 0 0;
  max-width: 66ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(245, 247, 255, .78);
}

/* ---------- 04 专题系列 ---------- */
.page-news .series-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
  margin-top: clamp(22px, 3.6vw, 36px);
}

.page-news .series-card {
  display: flex;
  flex-direction: column;
  background: rgba(9, 14, 30, .72);
  border: 1px solid var(--news-hair);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color .35s var(--ease), transform .35s var(--ease);
}

.page-news .series-card:hover {
  border-color: rgba(0, 229, 255, .38);
  transform: translateY(-3px);
}

.page-news .series-card__media {
  margin: 0;
  border-radius: 0;
  overflow: hidden;
}

.page-news .series-card__media .media-frame__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(1.05);
}

.page-news .series-card__body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(18px, 2.6vw, 24px);
}

.page-news .series-card__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(17px, 2.6vw, 20px);
  color: var(--paper);
}

.page-news .series-card__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(245, 247, 255, .78);
}

/* ---------- 05 更新节奏 ---------- */
.page-news .cadence {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
  margin-top: clamp(22px, 3.6vw, 36px);
}

.page-news .cadence__title {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-size: clamp(16px, 2.4vw, 19px);
  color: var(--paper);
}

.page-news .cadence__main p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.9;
  color: rgba(245, 247, 255, .8);
}

.page-news .cadence__main p:last-of-type {
  margin-bottom: 0;
}

.page-news .cadence__main a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, .35);
}

.page-news .cadence__main a:hover {
  border-bottom-color: var(--cyan);
}

.page-news .cadence__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-news .cadence__side {
  border-left: 3px solid rgba(255, 200, 87, .68);
}

.page-news .cadence__dl {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-news .cadence__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 10px;
  border-bottom: 1px dashed rgba(185, 167, 255, .18);
}

.page-news .cadence__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-news .cadence__row dt {
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--haze);
}

.page-news .cadence__row dd {
  margin: 0;
  font-size: 13.5px;
  text-align: right;
  color: var(--paper);
}

.page-news .cadence__row .mono {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--gold);
}

.page-news .cadence__note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(185, 167, 255, .16);
  font-size: 13px;
  line-height: 1.8;
  color: rgba(185, 167, 255, .86);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .news-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 780px) {
  .page-news .node-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-news .news-hero__title {
    max-width: 26ch;
  }
}

@media (min-width: 900px) {
  .page-news .news-index {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    align-items: start;
  }

  .page-news .news-card {
    grid-column: span 6;
  }

  .page-news .news-card--wide {
    grid-column: span 12;
  }

  .page-news .news-card:nth-child(2) {
    margin-top: 26px;
  }

  .page-news .news-card:nth-child(5) {
    margin-top: 22px;
  }

  .page-news .cadence {
    grid-template-columns: 1.4fr .88fr;
    align-items: start;
  }
}

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

  .page-news .series-card:nth-child(2) {
    margin-top: 34px;
  }

  .page-news .timeline {
    padding-left: 40px;
  }

  .page-news .timeline::before {
    left: 12px;
  }

  .page-news .tl-item::before {
    left: -34px;
    width: 14px;
    height: 14px;
  }
}

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

  .page-news .series-card:hover {
    transform: none;
  }
}