.page-news {
  --news-gutter: 24px;
  --news-edge: 1px solid var(--gs-line);
  --news-radius: var(--gs-radius);
  display: block;
  padding-block: 96px 64px;
  color: var(--gs-white);
  background:
    linear-gradient(180deg, rgba(20, 33, 58, 0.78) 0, rgba(6, 11, 24, 0) 460px),
    var(--gs-void);
  font-family: var(--gs-font-body);
}

.page-news .gs-breadcrumb {
  padding-block: 4px 18px;
}

.page-news .news-secnote {
  margin: 10px 0 0;
  max-width: 660px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--gs-silver);
}

/* ---------- 首屏 ---------- */
.page-news .news-intro {
  padding-block: 0 40px;
}

.page-news .news-intro__wrap {
  display: grid;
  gap: 28px;
}

.page-news .news-intro__lead .gs-lead {
  max-width: 720px;
}

.page-news .news-board {
  margin: 0;
  padding: 18px 20px;
  border: var(--news-edge);
  border-radius: var(--news-radius);
  background:
    linear-gradient(160deg, rgba(124, 92, 255, 0.16), rgba(12, 21, 38, 0) 62%),
    var(--gs-ink);
  box-shadow: var(--gs-shadow);
}

.page-news .news-board__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--gs-line);
}

.page-news .news-board__row:last-child {
  border-bottom: 0;
  padding-bottom: 2px;
}

.page-news .news-board dt {
  font-family: var(--gs-font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gs-silver);
  white-space: nowrap;
}

.page-news .news-board dd {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--gs-white);
  text-align: right;
}

.page-news .news-board__row:nth-child(2) dd {
  color: var(--gs-cyan);
}

/* ---------- 通栏 ---------- */
.page-news .news-banner {
  position: relative;
  margin: 0 0 8px;
  border: var(--news-edge);
  border-radius: var(--news-radius);
  overflow: hidden;
  background: var(--gs-ink);
}

.page-news .news-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 6;
  object-fit: cover;
}

.page-news .news-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 11, 24, 0.1) 0%, rgba(6, 11, 24, 0.82) 100%);
  pointer-events: none;
}

.page-news .news-banner__cap {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 16px;
  z-index: 2;
  font-family: var(--gs-font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--gs-white);
}

/* ---------- 更新流 ---------- */
.page-news .news-feed {
  padding-block: 48px 8px;
}

.page-news .gs-filters {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  padding-bottom: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-news .gs-filter {
  flex: 0 0 auto;
  padding: 9px 16px;
  border: 1px solid var(--gs-line);
  border-radius: 999px;
  background: var(--gs-stand);
  color: var(--gs-silver);
  font-family: var(--gs-font-head);
  font-size: 14px;
  cursor: pointer;
  transition: background 120ms var(--gs-ease), color 120ms var(--gs-ease),
    border-color 120ms var(--gs-ease);
}

.page-news .gs-filter:hover {
  color: var(--gs-white);
  border-color: var(--gs-cyan);
}

.page-news .gs-filter[aria-pressed="true"] {
  background: var(--gs-orange);
  border-color: var(--gs-orange);
  color: var(--gs-void);
  font-weight: 700;
}

.page-news .news-feed__live {
  flex: 0 0 auto;
  padding-left: 6px;
  font-family: var(--gs-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gs-silver);
  white-space: nowrap;
}

.page-news .news-feed__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--news-edge);
}

.page-news .news-item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 20px 12px 20px 16px;
  border-bottom: var(--news-edge);
  transition: background 120ms var(--gs-ease);
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  inset-block: 0;
  left: 0;
  width: 2px;
  background: var(--gs-cyan);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 200ms var(--gs-ease);
}

.page-news .news-item:hover,
.page-news .news-item:focus-within {
  background: rgba(20, 33, 58, 0.55);
}

.page-news .news-item:hover::before,
.page-news .news-item:focus-within::before {
  transform: scaleY(1);
}

.page-news .news-item__stamp {
  font-family: var(--gs-font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gs-silver);
  white-space: nowrap;
}

.page-news .news-item[data-tag="schedule"] .news-item__stamp {
  color: var(--gs-cyan);
}

.page-news .news-item__tag {
  display: inline-block;
  margin: 0 0 9px;
  padding: 3px 10px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-family: var(--gs-font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--gs-silver);
}

.page-news .news-item[data-tag="schedule"] .news-item__tag {
  color: var(--gs-cyan);
}

.page-news .news-item[data-tag="clips"] .news-item__tag {
  color: var(--gs-violet);
}

.page-news .news-item[data-tag="version"] .news-item__tag {
  color: var(--gs-orange);
}

.page-news .news-item__title {
  margin: 0 0 8px;
  font-family: var(--gs-font-head);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--gs-white);
  transition: color 120ms var(--gs-ease);
}

.page-news .news-item:hover .news-item__title {
  color: var(--gs-cyan);
}

.page-news .news-item__text {
  margin: 0;
  max-width: 720px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--gs-silver);
}

.page-news .news-item__more {
  margin: 10px 0 0;
  font-size: 13px;
}

.page-news .news-item__more a {
  color: var(--gs-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(33, 230, 212, 0.35);
  padding-bottom: 1px;
  transition: border-color 120ms var(--gs-ease);
}

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

/* ---------- 更新节奏 ---------- */
.page-news .news-rhythm {
  padding-block: 56px;
}

.page-news .news-rhythm__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-news .news-rhythm__focus {
  padding: 24px;
  border: var(--news-edge);
  border-radius: var(--news-radius);
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(33, 230, 212, 0.16), transparent 62%),
    linear-gradient(200deg, rgba(124, 92, 255, 0.14), transparent 70%),
    var(--gs-ink);
  box-shadow: var(--gs-shadow);
}

.page-news .news-rhythm__kicker {
  margin: 0 0 12px;
  font-family: var(--gs-font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gs-cyan);
}

.page-news .news-rhythm__focus .gs-h3 {
  margin: 0 0 12px;
}

.page-news .news-rhythm__focus p {
  margin: 0;
  max-width: 620px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--gs-silver);
}

.page-news .news-rhythm__note {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--gs-line);
  font-size: 14px;
  color: var(--gs-silver);
}

.page-news .news-rhythm__item {
  position: relative;
  padding: 20px;
  border: var(--news-edge);
  border-radius: var(--news-radius);
  background: var(--gs-stand);
  transition: border-color 120ms var(--gs-ease);
}

.page-news .news-rhythm__item::after {
  content: "";
  position: absolute;
  inset-inline: 20px;
  bottom: 0;
  height: 1px;
  background: var(--gs-cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 200ms var(--gs-ease);
}

.page-news .news-rhythm__item:hover::after {
  transform: scaleX(1);
}

.page-news .news-rhythm__code {
  margin: 0 0 8px;
  font-family: var(--gs-font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gs-violet);
}

.page-news .news-rhythm__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--gs-white);
}

.page-news .news-rhythm__item p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gs-silver);
}

/* ---------- 专题墙 ---------- */
.page-news .news-topics {
  padding-block: 0 56px;
}

.page-news .news-topics__track {
  display: flex;
  gap: 14px;
  margin: 4px 0 0;
  padding: 6px var(--news-gutter) 18px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-topic {
  flex: 0 0 78%;
  max-width: 300px;
  scroll-snap-align: start;
}

.page-news .news-topic__link {
  position: relative;
  display: block;
  aspect-ratio: 3 / 4;
  border: var(--news-edge);
  border-radius: var(--news-radius);
  overflow: hidden;
  background: var(--gs-stand);
  color: var(--gs-white);
  text-decoration: none;
  transition: transform 200ms var(--gs-ease), border-color 120ms var(--gs-ease);
}

.page-news .news-topic__link:hover {
  transform: translateY(-4px);
  border-color: var(--gs-cyan);
}

.page-news .news-topic__link--plain {
  background:
    radial-gradient(120% 80% at 18% 12%, rgba(124, 92, 255, 0.42), transparent 64%),
    radial-gradient(90% 70% at 88% 92%, rgba(33, 230, 212, 0.2), transparent 62%),
    var(--gs-ink);
}

.page-news .news-topic__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .news-topic__shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 11, 24, 0.06) 28%, rgba(6, 11, 24, 0.94) 100%);
}

.page-news .news-topic__body {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 8px;
  height: 100%;
  padding: 20px;
}

.page-news .news-topic__kind {
  align-self: flex-start;
  padding: 3px 9px;
  border: 1px solid var(--gs-violet);
  border-radius: 999px;
  font-family: var(--gs-font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--gs-violet);
}

.page-news .news-topic__title {
  font-family: var(--gs-font-head);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.page-news .news-topic__text {
  font-size: 13px;
  line-height: 1.7;
  color: var(--gs-silver);
}

/* ---------- 版本迭代 ---------- */
.page-news .news-versions {
  padding-block: 0 56px;
}

.page-news .news-versions__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-news .news-ver {
  padding: 20px;
  border: var(--news-edge);
  border-radius: var(--news-radius);
  background: var(--gs-ink);
  box-shadow: var(--gs-shadow);
}

.page-news .news-ver__code {
  margin: 0 0 10px;
  font-family: var(--gs-font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gs-orange);
}

.page-news .news-ver__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--gs-white);
}

.page-news .news-ver__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--gs-silver);
}

/* ---------- 时间轴 ---------- */
.page-news .news-axis {
  padding-block: 0 48px;
}

.page-news .news-axis__track {
  position: relative;
  display: flex;
  gap: 18px;
  padding: 26px var(--news-gutter) 18px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-axis__track::before {
  content: "";
  position: absolute;
  left: var(--news-gutter);
  right: var(--news-gutter);
  top: 34px;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--gs-line) 0 6px, transparent 6px 14px);
  pointer-events: none;
}

.page-news .news-axis__node {
  position: relative;
  z-index: 2;
  flex: 0 0 190px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 12px 14px 14px;
  border: var(--news-edge);
  border-radius: 12px;
  background: var(--gs-stand);
  color: var(--gs-silver);
  text-decoration: none;
  scroll-snap-align: start;
  transition: border-color 120ms var(--gs-ease), transform 200ms var(--gs-ease);
}

.page-news .news-axis__node:hover {
  border-color: currentColor;
  transform: translateY(-3px);
}

.page-news .news-axis__node--schedule {
  color: var(--gs-cyan);
}

.page-news .news-axis__node--clips {
  color: var(--gs-violet);
}

.page-news .news-axis__node--version {
  color: var(--gs-orange);
}

.page-news .news-axis__node--notice {
  color: var(--gs-silver);
}

.page-news .news-axis__dot {
  display: block;
  line-height: 0;
  margin-bottom: 4px;
}

.page-news .news-axis__when {
  font-family: var(--gs-font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.page-news .news-axis__what {
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--gs-white);
}

/* ---------- 回到主场 ---------- */
.page-news .news-back {
  padding-block: 0 24px;
}

.page-news .news-back__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-news .news-back__focus {
  padding: 24px;
  border: var(--news-edge);
  border-radius: var(--news-radius);
  background:
    radial-gradient(110% 90% at 88% 0%, rgba(255, 122, 47, 0.2), transparent 60%),
    linear-gradient(200deg, rgba(33, 230, 212, 0.12), transparent 68%),
    var(--gs-ink);
  box-shadow: var(--gs-shadow-lift);
}

.page-news .news-back__kicker {
  margin: 0 0 12px;
  font-family: var(--gs-font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gs-orange);
}

.page-news .news-back__title {
  margin: 0 0 12px;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--gs-white);
}

.page-news .news-back__focus p {
  margin: 0 0 18px;
  max-width: 620px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--gs-silver);
}

.page-news .news-back__link {
  display: block;
  padding: 18px 20px;
  border: var(--news-edge);
  border-radius: var(--news-radius);
  background: var(--gs-stand);
  text-decoration: none;
  transition: border-color 120ms var(--gs-ease), background 120ms var(--gs-ease);
}

.page-news .news-back__link:hover {
  border-color: var(--gs-cyan);
  background: var(--gs-ink);
}

.page-news .news-back__link h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--gs-white);
}

.page-news .news-back__link p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--gs-silver);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-news {
    --news-gutter: 32px;
  }

  .page-news .news-item {
    grid-template-columns: 132px minmax(0, 1fr);
    align-items: start;
    gap: 20px;
    padding-block: 22px;
  }

  .page-news .news-item__stamp {
    padding-top: 6px;
  }

  .page-news .news-versions__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-news .news-topic {
    flex-basis: 300px;
  }

  .page-news .news-axis__node {
    flex-basis: 220px;
  }
}

@media (min-width: 960px) {
  .page-news {
    padding-block: 108px 72px;
  }

  .page-news .news-intro__wrap {
    grid-template-columns: minmax(0, 1.55fr) minmax(300px, 0.95fr);
    align-items: end;
    gap: 48px;
  }

  .page-news .news-rhythm__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-news .news-rhythm__focus {
    grid-column: span 6;
    grid-row: span 2;
  }

  .page-news .news-rhythm__item {
    grid-column: span 3;
  }

  .page-news .news-back__grid {
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    grid-template-rows: repeat(3, auto);
    gap: 14px 16px;
  }

  .page-news .news-back__focus {
    grid-column: 1;
    grid-row: 1 / span 3;
  }

  .page-news .news-back__link:nth-child(2) {
    grid-column: 2;
    grid-row: 1;
  }

  .page-news .news-back__link:nth-child(3) {
    grid-column: 2;
    grid-row: 2;
  }

  .page-news .news-back__link:nth-child(4) {
    grid-column: 2;
    grid-row: 3;
  }
}

@media (min-width: 1180px) {
  .page-news .news-topics__track {
    padding-inline: max(var(--news-gutter), calc((100vw - 1376px) / 2));
  }
}

@media (hover: hover) and (min-width: 900px) {
  .page-news .news-item__more {
    max-height: 0;
    margin-top: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 200ms var(--gs-ease), opacity 200ms var(--gs-ease),
      margin-top 200ms var(--gs-ease);
  }

  .page-news .news-item:hover .news-item__more,
  .page-news .news-item:focus-within .news-item__more {
    max-height: 72px;
    margin-top: 10px;
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
  }

  .page-news .news-topic__link:hover,
  .page-news .news-axis__node:hover {
    transform: none;
  }
}