.page-news {
  --news-stroke: rgba(0, 229, 255, .16);
  --news-glass: rgba(18, 26, 58, .72);
  --news-line: rgba(232, 241, 255, .08);
  --news-glow: 0 18px 50px rgba(0, 0, 0, .42);
}

.page-news .breadcrumb {
  margin-block: 1rem 0;
}

.page-news .container {
  width: 100%;
}

/* ===== 顶部置顶公告区 ===== */
.page-news .news-top {
  position: relative;
  padding: 2.2rem 0 1.2rem;
  overflow: hidden;
}

.page-news .news-top::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .55;
  background:
    linear-gradient(rgba(0, 229, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, .05) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(180deg, transparent, #000 30%, #000 70%, transparent);
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 30%, #000 70%, transparent);
}

.page-news .news-top__grid {
  position: relative;
  display: grid;
  gap: 1.5rem;
  align-items: center;
}

.page-news .news-top__intro {
  padding: .4rem 0;
}

.page-news .news-top__tag {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .8rem;
  margin-bottom: .8rem;
}

.page-news .news-top h1 {
  margin: .4rem 0 .9rem;
  font-family: var(--font-head);
  font-size: clamp(1.75rem, 5.4vmin, 3.3rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: .005em;
}

.page-news .news-top .lead {
  max-width: 36em;
  margin: 0 0 1rem;
  color: var(--mist);
  font-size: clamp(1rem, 1.3vmin, 1.2rem);
  line-height: 1.75;
}

.page-news .news-top__fact {
  margin: 0 0 1.1rem;
  color: var(--ink);
  font-size: .95rem;
  line-height: 1.7;
  max-width: 40em;
}

.page-news .news-top__meta {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
}

.page-news .news-top__media {
  position: relative;
  max-width: 640px;
  padding: 5px;
  border-radius: var(--radius);
  background: linear-gradient(130deg, rgba(0, 229, 255, .45), rgba(123, 47, 190, .32), rgba(0, 229, 255, .12));
}

.page-news .news-top__media::after {
  content: "本季度";
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  padding: .32rem .8rem;
  border-radius: 999px;
  font-family: var(--font-head);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .14em;
  color: #0B1026;
  background: var(--gold);
  box-shadow: 0 8px 24px rgba(245, 179, 1, .35);
}

.page-news .news-top__media .media-frame {
  border-radius: 12px;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(232, 241, 255, .14);
  box-shadow: var(--news-glow);
}

.page-news .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .notice-bar {
  margin-top: 1.3rem;
}

.page-news .notice-bar strong {
  color: var(--gold);
}

/* ===== 媒体台布局 ===== */
.page-news .news-desk {
  padding-block: 2.2rem 1.6rem;
  position: relative;
}

.page-news .news-desk::before {
  content: "";
  display: block;
  height: 3px;
  width: 100%;
  transform: skewX(-12deg);
  background: linear-gradient(90deg, var(--violet), var(--cyan) 42%, transparent 82%);
  opacity: .7;
}

.page-news .news-desk__layout {
  display: grid;
  gap: 1.4rem;
  align-items: start;
}

/* ===== 左侧筛选栏 ===== */
.page-news .news-side {
  display: flex;
  flex-direction: column;
  gap: .9rem;
}

.page-news .news-side__panel {
  background: var(--news-glass);
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  padding: 1.1rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.page-news .news-side__title {
  margin: 0 0 .75rem;
  font-family: var(--font-head);
  font-size: .86rem;
  font-weight: 800;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-news .news-filter {
  list-style: none;
  margin: 0 0 .7rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
}

.page-news .news-filter .btn {
  border-radius: 999px;
}

.page-news .news-filter .btn.is-active {
  background: var(--violet);
  border-color: var(--violet);
  color: var(--ink);
  cursor: default;
}

.page-news .news-side__note {
  margin: .2rem 0 0;
  font-size: .82rem;
  line-height: 1.55;
  color: var(--mist);
}

.page-news .news-side__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .55rem;
}

.page-news .news-side__links a {
  display: inline-flex;
  align-items: baseline;
  gap: .4rem;
  color: var(--ink);
  font-size: .92rem;
  text-decoration: none;
  border-bottom: 1px dashed transparent;
  transition: border-color .25s ease, color .25s ease;
}

.page-news .news-side__links a::before {
  content: "→";
  flex: 0 0 auto;
  color: var(--cyan);
  font-weight: 700;
}

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

.page-news .news-side__tip {
  position: relative;
  overflow: hidden;
}

.page-news .news-side__tip::before {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 110px;
  height: 110px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 179, 1, .28), transparent 70%);
  pointer-events: none;
}

.page-news .news-side__tip p {
  margin: 0 0 .8rem;
  font-size: .88rem;
  line-height: 1.65;
  color: var(--mist);
}

/* ===== 右侧动态流 ===== */
.page-news .news-feed {
  display: grid;
  gap: 1rem;
  min-width: 0;
}

.page-news .news-feed .section-head {
  margin-bottom: .2rem;
}

.page-news .news-item {
  position: relative;
  display: grid;
  gap: .9rem;
  padding: 1rem;
  background: rgba(18, 26, 58, .72);
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color .3s ease, transform .3s var(--ease), box-shadow .3s ease;
}

.page-news .news-item:hover {
  border-color: rgba(0, 229, 255, .4);
  box-shadow: 0 16px 44px rgba(0, 0, 0, .3), 0 0 0 1px rgba(0, 229, 255, .08);
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--violet), var(--cyan) 70%, transparent);
  opacity: .8;
}

.page-news .news-item__thumb {
  aspect-ratio: 3 / 2;
  border-radius: calc(var(--radius) - 5px);
  overflow: hidden;
  background: var(--bg-cave);
  position: relative;
}

.page-news .news-item__thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(11, 16, 38, .45));
  pointer-events: none;
}

.page-news .news-item__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .news-item__body {
  min-width: 0;
  display: grid;
  gap: .5rem;
  align-content: start;
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem;
}

.page-news .news-item__date {
  font-size: .82rem;
  color: var(--mist);
  letter-spacing: .03em;
}

.page-news .news-item__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.12rem, 2.2vmin, 1.4rem);
  font-weight: 800;
  line-height: 1.3;
}

.page-news .news-item__summary {
  margin: 0;
  font-size: .94rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .news-item__expand {
  margin-top: .1rem;
  border-top: 1px dashed rgba(232, 241, 255, .12);
}

.page-news .news-item__expand summary {
  cursor: pointer;
  padding: .45rem 0 .2rem;
  font-size: .84rem;
  color: var(--cyan);
  list-style: none;
}

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

.page-news .news-item__expand summary::before {
  content: "+ ";
  font-weight: 800;
}

.page-news .news-item__expand[open] summary::before {
  content: "− ";
}

.page-news .news-item__expand p {
  margin: .35rem 0 .55rem;
  padding-left: .6rem;
  border-left: 2px solid rgba(0, 229, 255, .3);
  font-size: .9rem;
  line-height: 1.7;
  color: var(--ink);
}

.page-news .news-item__body .btn {
  justify-self: start;
  margin-top: .2rem;
}

.page-news .news-item--compact {
  padding-top: .9rem;
  padding-bottom: .9rem;
}

/* ===== 版本线更新 ===== */
.page-news .news-release-card {
  display: grid;
  gap: .9rem;
  padding: 1.1rem;
  margin-block: .3rem;
  border-radius: var(--radius);
  background: linear-gradient(140deg, rgba(123, 47, 190, .18), rgba(18, 26, 58, .66) 46%, rgba(0, 229, 255, .08));
  border: 1px solid rgba(123, 47, 190, .32);
  box-shadow: var(--news-glow);
}

.page-news .news-release-card .section-head {
  margin-bottom: .1rem;
}

.page-news .news-release-card__grid {
  display: grid;
  gap: .9rem;
}

.page-news .news-version {
  position: relative;
  display: grid;
  align-content: start;
  gap: .3rem;
  padding: 1rem;
  background: rgba(11, 16, 38, .72);
  border: 1px solid var(--news-line);
  border-radius: calc(var(--radius) - 4px);
  overflow: hidden;
}

.page-news .news-version::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--violet), var(--cyan) 70%, transparent);
}

.page-news .news-version .tag {
  margin-bottom: .35rem;
}

.page-news .news-version__label {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3vmin, 2rem);
  font-weight: 800;
  color: var(--cyan);
  letter-spacing: .02em;
}

.page-news .news-version__name {
  margin: .1rem 0 0;
  font-family: var(--font-head);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--ink);
}

.page-news .news-version__desc {
  margin: 0;
  font-size: .88rem;
  line-height: 1.65;
  color: var(--mist);
}

.page-news .news-version--chart {
  grid-column: 1 / -1;
}

.page-news .news-version--chart::before {
  background: linear-gradient(90deg, var(--gold), var(--cyan) 60%, transparent);
}

.page-news .news-version__img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
  margin-top: .4rem;
}

.page-news .news-version__caption {
  margin: .4rem 0 0;
  font-size: .82rem;
  color: var(--mist);
}

/* ===== 功能线与公告 ===== */
.page-news .news-functional {
  padding-block: 2rem;
  position: relative;
}

.page-news .news-functional::before {
  content: "";
  display: block;
  height: 2px;
  width: 100%;
  transform: skewX(-12deg);
  background: linear-gradient(90deg, transparent, var(--gold) 30%, var(--violet) 75%, transparent);
  opacity: .55;
}

.page-news .news-functional__grid {
  display: grid;
  gap: 1rem;
}

.page-news .news-functional__item {
  position: relative;
  display: grid;
  gap: .55rem;
  padding: 1.35rem 1.2rem;
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .news-functional__num {
  position: absolute;
  right: .5rem;
  bottom: -.4rem;
  font-family: var(--font-head);
  font-size: 3.6rem;
  font-weight: 800;
  line-height: 1;
  opacity: .14;
  color: var(--ink);
  pointer-events: none;
}

.page-news .news-functional__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.08rem, 2.2vmin, 1.28rem);
  font-weight: 800;
  line-height: 1.3;
}

.page-news .news-functional__text {
  margin: 0;
  font-size: .92rem;
  line-height: 1.72;
  color: var(--mist);
}

.page-news .news-functional__item .btn {
  justify-self: start;
  margin-top: .3rem;
}

/* ===== 历史归档 ===== */
.page-news .news-archive {
  padding-block: 2.4rem 2.8rem;
}

.page-news .news-archive__grid {
  display: grid;
  gap: 1rem;
}

.page-news .news-archive__item {
  position: relative;
  display: grid;
  align-content: start;
  gap: .55rem;
  padding: 1.15rem;
  background: var(--news-glass);
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  overflow: hidden;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.page-news .news-archive__item::after {
  content: "";
  position: absolute;
  right: -32px;
  bottom: -32px;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 229, 255, .14), transparent 70%);
  pointer-events: none;
}

.page-news .news-archive__visual {
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid rgba(232, 241, 255, .08);
}

.page-news .news-archive__img {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .news-archive__title {
  margin: .4rem 0 0;
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 800;
}

.page-news .news-archive__desc {
  margin: 0;
  font-size: .92rem;
  line-height: 1.68;
  color: var(--mist);
}

.page-news .news-archive__details {
  margin-top: .2rem;
  border-top: 1px dashed rgba(232, 241, 255, .12);
  padding-top: .35rem;
}

.page-news .news-archive__details summary {
  cursor: pointer;
  list-style: none;
  font-size: .84rem;
  color: var(--cyan);
}

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

.page-news .news-archive__details summary::before {
  content: "▸ ";
}

.page-news .news-archive__details[open] summary::before {
  content: "▾ ";
}

.page-news .news-archive__list {
  margin: .4rem 0 .6rem;
  padding-left: 1.1rem;
  display: grid;
  gap: .3rem;
  font-size: .88rem;
  color: var(--ink);
}

.page-news .news-archive__item .btn {
  justify-self: start;
  margin-top: .3rem;
}

/* ===== 桌面端媒体查询 ===== */
@media (min-width: 768px) {
  .page-news .news-top__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.35fr);
    gap: 2rem;
  }

  .page-news .news-desk__layout {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 1.6rem;
  }

  .page-news .news-item {
    grid-template-columns: 170px minmax(0, 1fr);
    gap: 1rem;
  }

  .page-news .news-item__thumb {
    aspect-ratio: 4 / 3;
    height: 100%;
  }

  .page-news .news-release-card__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-news .news-version--chart {
    grid-column: 1 / -1;
  }

  .page-news .news-functional__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-news .news-archive__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-news .news-desk__layout {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 2rem;
  }

  .page-news .news-side {
    position: sticky;
    top: calc(var(--header-offset) + 1rem);
    align-self: start;
  }

  .page-news .news-release-card__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-news .news-item {
    grid-template-columns: 220px minmax(0, 1fr);
  }

  .page-news .news-top__media {
    max-width: none;
  }
}

@media (min-width: 1240px) {
  .page-news .news-release-card__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-news .news-version--chart {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr);
    align-items: center;
    gap: 1rem;
  }

  .page-news .news-version__img {
    grid-row: span 3;
  }

  .page-news .news-version__caption {
    grid-column: 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}