.page-news {
  --news-schedule: #2D6A9F;
  --news-report: #C0FF00;
  --news-video: #B0B7C0;
  --news-data: #8B1E2D;
  --news-update: #0A1D2E;
  --news-gap: clamp(1.25rem, 3vw, 2.25rem);
}

/* ===== Hero 深空蓝刊头区 ===== */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  padding-top: clamp(3rem, 7vw, 5.5rem);
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
}
.page-news .news-hero::before {
  content: "ARCHIVE / 24";
  position: absolute;
  right: -0.25em;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(6rem, 18vw, 14rem);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(245, 240, 230, 0.12);
  pointer-events: none;
  white-space: nowrap;
  user-select: none;
}
.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--neon) 0 36%, var(--silver) 36% 72%, var(--alert) 72%);
}
.page-news .news-hero .container {
  position: relative;
  z-index: 1;
}
.page-news .news-hero .page-title {
  color: var(--paper);
}
.page-news .news-hero .page-lede {
  color: rgba(245, 240, 230, 0.78);
  max-width: 72ch;
}
.page-news .news-hero .page-overline {
  color: var(--neon);
}
.page-news .news-hero .breadcrumb {
  color: var(--silver);
  margin-bottom: 1.25rem;
}
.page-news .news-hero .breadcrumb a {
  color: var(--silver);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}
.page-news .news-hero .breadcrumb a:hover {
  color: var(--neon);
}
.page-news .news-hero .breadcrumb-sep {
  color: rgba(245, 240, 230, 0.35);
}

.page-news .news-hero__meta {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.875rem;
  margin-top: 2.25rem;
  max-width: 920px;
}
.page-news .news-hero__stat {
  background: rgba(245, 240, 230, 0.07);
  border-left: 3px solid var(--neon);
  padding: 0.875rem 1rem;
  display: flex;
  flex-direction: column;
}
.page-news .news-hero__stat .data-value {
  font-size: 1.375rem;
  color: var(--neon);
  line-height: 1.2;
}
.page-news .news-hero__stat-label {
  font-size: 0.8125rem;
  color: var(--silver);
  margin-top: 0.25rem;
}

/* ===== 双栏布局 ===== */
.page-news .news-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding-top: 2.5rem;
  padding-bottom: 3rem;
}
.page-news .news-stream {
  min-width: 0;
}

/* ===== 分类筛选栏 ===== */
.page-news .news-filter {
  background: var(--rice);
  border: 1px solid rgba(10, 29, 46, 0.1);
  padding: 0.75rem 1rem;
  overflow-x: auto;
  scrollbar-width: none;
  max-width: 100%;
}
.page-news .news-filter::-webkit-scrollbar {
  display: none;
}
.page-news .news-filter__heading {
  display: inline-block;
  margin: 0 0.75rem 0 0;
  font-family: var(--font-index);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mid-blue);
}
.page-news .news-filter__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: inline-flex;
  gap: 0.375rem;
}
.page-news .news-filter__item {
  flex-shrink: 0;
}
.page-news .news-filter__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem;
  padding: 0.45rem 0.85rem;
  background: var(--paper);
  border: 1px solid var(--silver);
  color: var(--ink);
  font-size: 0.8125rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  clip-path: var(--chamfer-sm);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-news .news-filter__link:hover,
.page-news .news-filter__link.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}
.page-news .news-filter__count {
  font-family: var(--font-data);
  font-size: 0.6875rem;
  background: rgba(10, 29, 46, 0.1);
  padding: 0.1rem 0.35rem;
  border-radius: 2px;
}
.page-news .news-filter__link.is-active .news-filter__count {
  background: var(--neon);
  color: var(--ink);
}
.page-news .news-filter__note {
  display: none;
}

/* ===== 文章卡片基础 ===== */
.page-news .news-section {
  scroll-margin-top: 6rem;
}
.page-news .news-card {
  background: var(--rice);
  border: 1px solid rgba(10, 29, 46, 0.08);
  clip-path: var(--chamfer-sm);
  transition: box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.page-news .news-card:hover {
  box-shadow: 0 12px 28px rgba(10, 29, 46, 0.1);
}
.page-news .news-card__media {
  position: relative;
  overflow: hidden;
  background: var(--silver);
}
.page-news .news-card__img {
  display: block;
  width: 100%;
}
.page-news .news-card__media--thumb {
  aspect-ratio: 4 / 3;
}
.page-news .news-card__media--thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .news-card__tag {
  position: absolute;
  top: 0.75rem;
  left: 0;
  z-index: 2;
  font-family: var(--font-index);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.35rem 0.9rem 0.35rem 0.75rem;
  background: var(--neon);
  color: var(--ink);
  clip-path: polygon(0 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}
.page-news .news-card__tag--schedule { background: var(--mid-blue); color: #fff; }
.page-news .news-card__tag--report { background: var(--neon); color: var(--ink); }
.page-news .news-card__tag--video { background: var(--silver); color: var(--ink); }
.page-news .news-card__tag--data { background: var(--alert); color: #fff; }
.page-news .news-card__tag--update { background: var(--ink); color: var(--paper); }

.page-news .news-card__info {
  padding: 1.25rem 1.25rem 1rem;
}
.page-news .news-card__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  line-height: 1.35;
  margin: 0 0 0.5rem;
  letter-spacing: -0.01em;
}
.page-news .news-card__excerpt {
  font-size: 0.9375rem;
  color: rgba(10, 29, 46, 0.7);
  margin: 0 0 0.875rem;
  line-height: 1.6;
}
.page-news .news-card__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
  color: rgba(10, 29, 46, 0.55);
}
.page-news .news-card__reads .data-value {
  font-weight: 700;
}

/* 原生 details 展开 */
.page-news .news-card__details {
  border-top: 1px dashed rgba(10, 29, 46, 0.14);
}
.page-news .news-card__details summary {
  list-style: none;
  cursor: pointer;
  padding: 0.75rem 1.25rem;
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--mid-blue);
}
.page-news .news-card__details summary::-webkit-details-marker {
  display: none;
}
.page-news .news-card__details summary::before {
  content: "+";
  display: inline-block;
  margin-right: 0.5rem;
  color: var(--neon);
  font-weight: 700;
}
.page-news .news-card__details[open] summary::before {
  content: "−";
}
.page-news .news-card__body {
  padding: 0 1.25rem 1.25rem;
  font-size: 0.9375rem;
  color: rgba(10, 29, 46, 0.75);
  line-height: 1.65;
}
.page-news .news-card__body p {
  margin: 0;
}

/* 数据图 / 版本占位面板 */
.page-news .news-card__media--statcard,
.page-news .news-card__media--version {
  aspect-ratio: 4 / 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--paper);
  text-align: center;
}
.page-news .news-card__media--statcard {
  background: linear-gradient(135deg, var(--alert), var(--deep-ink));
}
.page-news .news-card__media--version {
  background: linear-gradient(135deg, var(--ink), #24455A);
}
.page-news .news-card__stat-num {
  font-family: var(--font-data);
  font-size: clamp(2.5rem, 8vw, 4rem);
  line-height: 1;
  color: var(--neon);
}
.page-news .news-card__stat-label {
  font-family: var(--font-index);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--silver);
  margin-top: 0.5rem;
  padding: 0 1rem;
}

/* ===== 首张横向大卡 ===== */
.page-news .news-card--feature {
  display: grid;
  grid-template-columns: 1fr;
  background: var(--ink);
  color: var(--paper);
  border: none;
  margin-bottom: var(--news-gap);
}
.page-news .news-card__media--feature {
  aspect-ratio: 16 / 9;
}
.page-news .news-card__media--feature img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-news .news-card__feature-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.page-news .news-card__kicker {
  font-family: var(--font-index);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--neon);
  margin: 0;
}
.page-news .news-card--feature .news-card__title {
  color: var(--paper);
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.25;
}
.page-news .news-card--feature .news-card__excerpt {
  color: rgba(245, 240, 230, 0.78);
}
.page-news .news-card__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.625rem;
  margin: 0;
}
.page-news .news-card__stat {
  background: rgba(245, 240, 230, 0.08);
  padding: 0.75rem 0.875rem;
  border-left: 2px solid var(--neon);
}
.page-news .news-card__stat dt {
  font-size: 0.75rem;
  color: var(--silver);
  margin-bottom: 0.25rem;
}
.page-news .news-card__stat dd {
  margin: 0;
  font-family: var(--font-data);
  font-size: 0.875rem;
  color: var(--neon);
  line-height: 1.2;
}
.page-news .news-card--feature .news-card__meta {
  color: var(--silver);
  margin-top: 0.25rem;
}
.page-news .news-card__cta {
  color: var(--neon);
  border-color: var(--neon);
}
.page-news .news-card__cta:hover {
  background: var(--neon);
  color: var(--ink);
}

/* ===== 瀑布流卡片组 ===== */
.page-news .news-masonry {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
  margin-top: var(--news-gap);
}

/* ===== 按分类浏览归档区 ===== */
.page-news .news-archive {
  margin-top: 3.5rem;
  scroll-margin-top: 6rem;
}
.page-news .news-cat {
  margin-top: 2rem;
  scroll-margin-top: 6rem;
}
.page-news .news-cat__title {
  font-family: var(--font-display);
  font-size: 1.375rem;
  margin: 0 0 1rem;
  padding-left: 0.875rem;
  border-left: 4px solid var(--neon);
}
.page-news #cat-schedule .news-cat__title { border-color: var(--mid-blue); }
.page-news #cat-report .news-cat__title { border-color: var(--neon); }
.page-news #cat-video .news-cat__title { border-color: var(--silver); }
.page-news #cat-data .news-cat__title { border-color: var(--alert); }
.page-news #cat-update .news-cat__title { border-color: var(--neon); }

.page-news .news-cat__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}
.page-news .news-cat__item {
  display: grid;
  grid-template-columns: 10px 1fr auto;
  grid-template-areas:
    "dot name reads"
    "dot desc reads";
  column-gap: 0.875rem;
  align-items: center;
  background: var(--rice);
  border: 1px solid rgba(10, 29, 46, 0.08);
  padding: 1rem 1.25rem;
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-news .news-cat__item:hover {
  background: var(--paper);
  border-color: var(--ink);
  transform: translateX(4px);
}
.page-news .news-cat__dot {
  grid-area: dot;
  width: 10px;
  height: 10px;
  background: var(--silver);
  transform: rotate(45deg);
}
.page-news .news-cat__name {
  grid-area: name;
  font-family: var(--font-display);
  font-size: 1rem;
  margin: 0;
  line-height: 1.4;
}
.page-news .news-cat__desc {
  grid-area: desc;
  font-size: 0.875rem;
  color: rgba(10, 29, 46, 0.62);
  margin: 0;
}
.page-news .news-cat__reads {
  grid-area: reads;
  font-family: var(--font-data);
  font-size: 0.8125rem;
  color: var(--mid-blue);
  text-align: right;
  white-space: nowrap;
}

/* 版本更新时间轴 */
.page-news .news-cat__timeline {
  margin-top: 1.25rem;
  background: var(--ink);
  color: var(--paper);
  padding: 1.5rem;
  clip-path: var(--chamfer-sm);
}
.page-news .news-cat__timeline-title {
  font-family: var(--font-index);
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--neon);
  margin: 0 0 1rem;
}
.page-news .timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.375rem;
}
.page-news .timeline-item {
  display: flex;
  align-items: baseline;
  gap: 0.875rem;
  font-size: 0.9375rem;
  line-height: 1.5;
}
.page-news .timeline-date {
  font-family: var(--font-data);
  font-weight: 700;
  color: var(--neon);
  min-width: 3.25rem;
  border-right: 1px solid rgba(192, 255, 0, 0.3);
  padding-right: 0.75rem;
  text-align: right;
}

.page-news .news-archive__note {
  margin-top: 2rem;
  padding: 1rem 1.25rem;
  background: rgba(10, 29, 46, 0.04);
  border-left: 4px solid var(--mid-blue);
  font-size: 0.875rem;
  color: rgba(10, 29, 46, 0.7);
  line-height: 1.6;
}
.page-news .news-archive__note a {
  color: var(--mid-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ===== 热门专题 ===== */
.page-news .news-topics {
  margin-top: 4rem;
  padding: clamp(2.5rem, 5vw, 4rem) 0;
  background: var(--ink);
  position: relative;
  overflow: hidden;
}
.page-news .news-topics::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--neon) 0 40%, var(--silver) 40% 100%);
}
.page-news .news-topics__heading {
  color: var(--paper);
}
.page-news .news-topics__heading::before {
  background: var(--neon);
}
.page-news .news-topics__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 1.75rem;
}
.page-news .news-topic {
  background: var(--deep-ink);
  color: var(--paper);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  position: relative;
}
.page-news .news-topic::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 3.5rem;
  height: 3.5rem;
  background: linear-gradient(135deg, transparent 50%, rgba(192, 255, 0, 0.16) 50%);
  pointer-events: none;
}
.page-news .news-topic__num {
  font-family: var(--font-index);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--neon);
}
.page-news .news-topic__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1.3;
  margin: 0;
}
.page-news .news-topic__desc {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: rgba(245, 240, 230, 0.72);
  margin: 0;
}
.page-news .news-topic__cta {
  align-self: flex-start;
  color: var(--paper);
  border-color: rgba(245, 240, 230, 0.4);
  margin-top: 0.5rem;
}
.page-news .news-topic__cta:hover {
  background: var(--neon);
  border-color: var(--neon);
  color: var(--ink);
}

/* ===== 平板以上：瀑布流两列 ===== */
@media (min-width: 720px) {
  .page-news .news-masonry {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
  .page-news .news-masonry > .news-card:nth-child(even) {
    margin-top: 2.5rem;
  }
}

/* ===== 桌面：双栏与吸顶筛选 ===== */
@media (min-width: 900px) {
  .page-news .news-layout {
    grid-template-columns: 260px 1fr;
    gap: 2.75rem;
    align-items: start;
  }

  .page-news .news-filter {
    position: sticky;
    top: 6rem;
    align-self: start;
    padding: 1.5rem;
    overflow: visible;
    clip-path: var(--chamfer-sm);
    border: none;
    border-left: 4px solid var(--neon);
  }
  .page-news .news-filter__heading {
    display: block;
    margin: 0 0 1rem;
    font-size: 0.8125rem;
  }
  .page-news .news-filter__list {
    display: grid;
    gap: 0.5rem;
  }
  .page-news .news-filter__item {
    flex-shrink: 1;
    position: relative;
  }
  .page-news .news-filter__link {
    justify-content: space-between;
    padding: 0.65rem 0.85rem;
    font-size: 0.9375rem;
    background: transparent;
    border: none;
    border-left: 3px solid var(--silver);
    clip-path: none;
  }
  .page-news .news-filter__link.is-active,
  .page-news .news-filter__link:hover {
    background: var(--ink);
    border-color: var(--neon);
  }
  .page-news .news-filter__note {
    display: block;
    margin: 1rem 0 0;
    padding-top: 0.75rem;
    border-top: 1px dashed rgba(10, 29, 46, 0.2);
    font-size: 0.75rem;
    color: rgba(10, 29, 46, 0.55);
  }
  .page-news .news-filter__link:hover::after {
    content: attr(data-description);
    position: absolute;
    left: calc(100% + 0.75rem);
    top: 50%;
    transform: translateY(-50%);
    background: var(--deep-ink);
    color: var(--paper);
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-weight: 400;
    white-space: nowrap;
    padding: 0.5rem 0.75rem;
    box-shadow: 0 6px 20px rgba(10, 29, 46, 0.18);
    z-index: 12;
  }

  .page-news .news-card--feature {
    grid-template-columns: 1.15fr 1fr;
    align-items: stretch;
  }
  .page-news .news-card__media--feature {
    aspect-ratio: auto;
    height: 100%;
    min-height: 380px;
  }
  .page-news .news-card__feature-body {
    padding: 2rem;
  }
  .page-news .news-card__stats {
    grid-template-columns: repeat(4, 1fr);
  }

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