.page-news {
  --pn-v1: #3d7fa6;
  --pn-v2: var(--oy-neon);
  --pn-v3: var(--oy-gold);
  --pn-v4: var(--oy-signal);
  background: var(--oy-deep);
  color: var(--oy-ink);
}

.page-news .oy-section__index {
  margin: 0 0 8px;
  color: var(--oy-gold);
  font-size: 13px;
  letter-spacing: 0.16em;
}

.page-news .oy-section__lead {
  max-width: 62ch;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding: 34px 0 40px;
  border-bottom: 1px solid var(--oy-line);
  background:
    radial-gradient(120% 92% at 88% -12%, rgba(23, 224, 176, 0.17), transparent 62%),
    radial-gradient(96% 74% at 4% 0%, rgba(242, 180, 87, 0.11), transparent 58%),
    var(--oy-deep);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(201, 216, 228, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(201, 216, 228, 0.07) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 84%);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 84%);
  pointer-events: none;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(
    to right,
    var(--oy-neon) 0%,
    var(--oy-neon) 34%,
    var(--oy-gold) 34%,
    var(--oy-gold) 67%,
    var(--oy-signal) 67%,
    var(--oy-signal) 100%
  );
  opacity: 0.85;
}

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

.page-news .news-hero__eyebrow {
  margin: 0;
  color: var(--oy-neon);
}

.page-news .news-hero__title {
  margin: 12px 0 14px;
  font-size: clamp(30px, 7.4vw, 56px);
  line-height: 1.06;
  font-weight: 900;
  letter-spacing: -0.02em;
  max-width: 15em;
  text-wrap: balance;
}

.page-news .news-hero__lead {
  margin: 0;
  max-width: 60ch;
  color: var(--oy-muted);
  font-size: 16px;
  line-height: 1.75;
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-news .news-hero__stats {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 12px;
}

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

.page-news .news-stat .oy-readout__num {
  font-size: clamp(20px, 4.4vw, 28px);
  line-height: 1.1;
}

.page-news .news-stat .oy-readout__label {
  font-size: 13px;
  color: var(--oy-muted);
}

/* ---------- 总览 ---------- */
.page-news .news-overview {
  display: grid;
  gap: 26px;
}

.page-news .news-overview__text p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--oy-ink);
}

.page-news .news-overview__text p:last-of-type {
  color: var(--oy-muted);
}

.page-news .news-overview__facts {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .news-overview__facts li {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 10px 0;
  border-top: 1px solid var(--oy-line-soft);
  font-size: 14px;
  line-height: 1.7;
  color: var(--oy-muted);
}

.page-news .news-overview__num {
  color: var(--oy-gold);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

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

.page-news .news-overview__media .oy-media__caption {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--oy-muted);
}

/* ---------- 版本阶段 ---------- */
.page-news .news-stages {
  display: grid;
  gap: 30px;
  margin-top: 22px;
}

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

.page-news .news-tabs .oy-tabs__list {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.page-news .news-tabs .oy-tabs__tab {
  flex: 0 0 auto;
  appearance: none;
  border: 1px solid var(--oy-line);
  border-radius: var(--oy-radius);
  background: var(--oy-layer);
  color: var(--oy-muted);
  font-family: var(--oy-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 10px 16px;
  cursor: pointer;
  transition: background-color 0.24s ease, color 0.24s ease, border-color 0.24s ease;
}

.page-news .news-tabs .oy-tabs__tab:hover {
  color: var(--oy-ink);
  border-color: var(--oy-neon);
}

.page-news .news-tabs .oy-tabs__tab[aria-selected="true"] {
  background: var(--oy-neon);
  border-color: var(--oy-neon);
  color: var(--oy-deep);
}

.page-news .news-tabs .oy-tabs__tab:focus-visible {
  outline: 2px solid var(--oy-neon);
  outline-offset: 2px;
}

.page-news .news-tabs .oy-tabs__panel {
  display: block;
}

.page-news .news-tabs .oy-tabs__panel[hidden] {
  display: none;
}

.page-news .news-stage {
  margin-top: 18px;
  padding: 22px 20px;
  border: 1px solid var(--oy-line-soft);
  border-left: 3px solid var(--oy-neon);
  background: var(--oy-layer);
}

.page-news .news-stage__lead {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--oy-ink);
}

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

.page-news .news-stage__list li {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  font-size: 14px;
  line-height: 1.7;
  color: var(--oy-muted);
  padding-top: 10px;
  border-top: 1px solid var(--oy-line-soft);
}

.page-news .news-stage__key {
  color: var(--oy-gold);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.page-news .news-stage-side {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-news .news-stage-side__media {
  margin: 0;
}

.page-news .news-stage-side__media .oy-media__caption {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--oy-muted);
}

.page-news .news-stage-side__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
}

/* ---------- 最近条目 ---------- */
.page-news .news-latest {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
  counter-reset: none;
}

.page-news .news-latest__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px 14px;
  border: 1px solid transparent;
  border-bottom-color: var(--oy-line-soft);
  background: linear-gradient(to right, rgba(23, 224, 176, 0.05), transparent 42%);
  transition: border-color 0.24s ease, background-color 0.24s ease;
}

.page-news .news-latest__item:hover {
  border-color: rgba(23, 224, 176, 0.4);
  background-color: var(--oy-layer);
}

.page-news .news-latest__idx {
  color: var(--oy-neon);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding-top: 2px;
}

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

.page-news .news-latest__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
}

.page-news .news-latest__time {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--oy-muted);
}

.page-news .news-latest__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--oy-ink);
}

/* ---------- 时间轴 ---------- */
.page-news .news-timeline__banner {
  margin: 24px 0 0;
}

.page-news .news-timeline__banner .oy-media__caption {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--oy-muted);
}

.page-news .news-timeline {
  list-style: none;
  position: relative;
  margin: 34px 0 0;
  padding: 0 0 0 26px;
}

.page-news .news-timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 24px;
  width: 2px;
  background: linear-gradient(
    to bottom,
    var(--pn-v1) 0%,
    var(--pn-v1) 21%,
    var(--pn-v2) 24%,
    var(--pn-v2) 48%,
    var(--pn-v3) 51%,
    var(--pn-v3) 74%,
    var(--pn-v4) 77%,
    var(--pn-v4) 100%
  );
  opacity: 0.75;
}

.page-news .news-timeline__item {
  position: relative;
  padding-bottom: 22px;
  --pn-tone: var(--oy-neon);
}

.page-news .news-timeline__item--v1 {
  --pn-tone: var(--pn-v1);
}

.page-news .news-timeline__item--v2 {
  --pn-tone: var(--pn-v2);
}

.page-news .news-timeline__item--v3 {
  --pn-tone: var(--pn-v3);
}

.page-news .news-timeline__item--v4 {
  --pn-tone: var(--pn-v4);
}

.page-news .news-timeline__item::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 16px;
  width: 8px;
  height: 8px;
  background: var(--oy-deep);
  border: 2px solid var(--pn-tone);
  transform: rotate(45deg);
  transition: background-color 0.24s ease, box-shadow 0.24s ease;
}

.page-news .news-timeline__item.is-lit::before,
.page-news .news-timeline__item:focus-within::before {
  background: var(--pn-tone);
  box-shadow: 0 0 12px var(--pn-tone);
}

.page-news .news-entry {
  border: 1px solid var(--oy-line-soft);
  border-left: 2px solid var(--pn-tone);
  border-radius: var(--oy-radius);
  background: var(--oy-layer);
  transition: border-color 0.24s ease, background-color 0.24s ease;
}

.page-news .news-entry:hover {
  border-color: rgba(23, 224, 176, 0.35);
  border-left-color: var(--pn-tone);
}

.page-news .news-entry[open] {
  background: var(--oy-raise);
  border-color: rgba(23, 224, 176, 0.42);
  border-left-color: var(--pn-tone);
}

.page-news .news-entry__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 10px;
  align-items: start;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.24s ease;
}

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

.page-news .news-entry[open] .news-entry__head {
  border-bottom-color: var(--oy-line-soft);
}

.page-news .news-entry__head:focus-visible {
  outline: 2px solid var(--oy-neon);
  outline-offset: -2px;
}

.page-news .news-entry__badge {
  grid-column: 1;
  grid-row: 1;
}

.page-news .news-entry__title {
  grid-column: 2;
  grid-row: 1;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: -0.01em;
  color: var(--oy-ink);
}

.page-news .news-entry__meta {
  grid-column: 2;
  grid-row: 2;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--oy-muted);
}

.page-news .news-entry__head::after {
  content: "";
  grid-column: 2;
  grid-row: 3;
  justify-self: start;
  width: 18px;
  height: 2px;
  margin-top: 4px;
  background: var(--pn-tone);
  transform: translateX(0);
  transition: transform 0.28s cubic-bezier(0.22, 0.8, 0.3, 1), width 0.28s ease;
}

.page-news .news-entry__head:hover::after {
  width: 26px;
}

.page-news .news-entry[open] .news-entry__head::after {
  width: 26px;
  transform: translateX(10px);
}

.page-news .news-entry__body {
  padding: 14px 16px 18px;
}

.page-news .news-entry__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--oy-muted);
}

.page-news .news-entry__fields {
  list-style: none;
  margin: 14px 0 0;
  padding: 12px 0 0;
  border-top: 1px solid var(--oy-line-soft);
  display: grid;
  gap: 7px;
}

.page-news .news-entry__fields li {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  font-size: 13px;
  line-height: 1.7;
  color: var(--oy-ink);
}

.page-news .news-entry__key {
  color: var(--oy-gold);
  font-size: 12px;
  letter-spacing: 0.08em;
}

/* ---------- 专题合辑 ---------- */
.page-news .news-album {
  display: grid;
  gap: 24px;
  align-items: start;
}

.page-news .news-album__text p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--oy-muted);
}

.page-news .news-album__tags {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

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

.page-news .news-album__media .oy-media__caption {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--oy-muted);
}

.page-news .news-albums {
  margin-top: 30px;
  border-top: 1px solid var(--oy-line);
  padding-top: 18px;
}

.page-news .news-albums__label {
  margin: 0 0 12px;
  color: var(--oy-gold);
}

.page-news .news-albums__rail {
  list-style: none;
  margin: 0;
  padding: 4px 4px 14px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-albums__rail > li {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.page-news .news-album-chip {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 148px;
  min-height: 92px;
  padding: 12px;
  border: 1px solid var(--oy-line);
  border-radius: var(--oy-radius);
  background: var(--oy-layer);
  transition: border-color 0.24s ease, background-color 0.24s ease;
}

.page-news .news-album-chip:hover {
  border-color: var(--oy-neon);
  background: var(--oy-raise);
}

.page-news .news-album-chip__num {
  font-size: 20px;
  font-weight: 600;
  color: var(--oy-gold);
  letter-spacing: 0.04em;
}

.page-news .news-album-chip__name {
  font-size: 13px;
  line-height: 1.5;
  color: var(--oy-ink);
}

/* ---------- 纠错 ---------- */
.page-news .news-fix-section {
  border-top: 1px solid var(--oy-line);
}

.page-news .news-fix__lead {
  margin: 0 0 18px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--oy-ink);
}

.page-news .news-fix__note {
  margin: 0 0 22px;
  font-size: 14px;
  line-height: 1.75;
}

.page-news .news-fix__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 媒体自适应 ---------- */
.page-news .oy-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--oy-line-soft);
}

.page-news .oy-media--square img {
  aspect-ratio: 1 / 1;
}

.page-news .oy-media--wide img {
  aspect-ratio: 7 / 3;
}

.page-news .news-album__media img {
  aspect-ratio: 3 / 2;
}

/* ---------- 移动端优先：小屏 ---------- */
@media (max-width: 599px) {
  .page-news .news-hero__stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-overview__facts li {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .page-news .news-stage__list li {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .page-news .news-entry__fields li {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .page-news .news-latest__item {
    grid-template-columns: 30px minmax(0, 1fr);
    gap: 10px;
    padding: 14px 10px;
  }
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-news .news-hero {
    padding: 52px 0 52px;
  }

  .page-news .news-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }

  .page-news .news-overview {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }

  .page-news .news-overview__media {
    position: sticky;
    top: 120px;
  }

  .page-news .news-album {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 34px;
  }

  .page-news .news-timeline {
    padding-left: 32px;
  }

  .page-news .news-timeline__item::before {
    left: -30px;
  }

  .page-news .news-entry__title {
    font-size: 16px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1000px) {
  .page-news .news-hero {
    padding: 68px 0 60px;
  }

  .page-news .news-hero__lead {
    font-size: 17px;
  }

  .page-news .news-stages {
    grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
    gap: 42px;
    align-items: start;
  }

  .page-news .news-stage {
    padding: 28px 26px;
  }

  .page-news .news-latest__item {
    grid-template-columns: 54px minmax(0, 1fr);
    padding: 20px 18px;
  }

  .page-news .news-entry__head {
    padding: 18px 20px;
  }

  .page-news .news-entry__body {
    padding: 16px 20px 22px;
  }

  .page-news .news-entry__fields {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px 20px;
  }

  .page-news .news-entry__fields li {
    grid-template-columns: 1fr;
    gap: 2px;
    padding-right: 16px;
    border-right: 1px solid var(--oy-line-soft);
  }

  .page-news .news-entry__fields li:last-child {
    border-right: 0;
  }

  .page-news .news-album-chip {
    width: 168px;
  }
}

@media (min-width: 1280px) {
  .page-news .news-hero__title {
    max-width: 12em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-entry__head::after,
  .page-news .news-timeline__item::before,
  .page-news .news-album-chip,
  .page-news .news-latest__item,
  .page-news .news-tabs .oy-tabs__tab {
    transition: none;
  }
}