.page-news {
  --news-cut: 26px;
  --news-ink-mid: #182131;
  --news-table-line: rgba(169, 200, 232, 0.28);
  color: var(--cn-ink);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(158deg, var(--cn-night) 0%, #071a2a 55%, var(--cn-ink) 100%);
  color: var(--cn-ice);
  padding: calc(var(--cn-header-h) + 34px) 0 clamp(46px, 7vw, 84px);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 23, 38, 0.62) 0%, rgba(6, 23, 38, 0.18) 42%, rgba(16, 21, 31, 0.94) 100%);
  pointer-events: none;
}

.page-news .news-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-news .news-hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 2;
}

.page-news .news-hero__crumb {
  color: var(--cn-frost);
  margin-bottom: clamp(28px, 5vw, 56px);
}

.page-news .news-hero__crumb a {
  color: var(--cn-frost);
}

.page-news .news-hero__body {
  max-width: 760px;
}

.page-news .news-hero .cn-eyebrow {
  color: var(--cn-cyan);
}

.page-news .news-hero__title {
  margin: 14px 0 0;
  font-family: var(--cn-font-display);
  font-weight: 900;
  font-size: clamp(2.1rem, 5.4vw, 4.1rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--cn-ice);
}

.page-news .news-hero__lead {
  margin: 22px 0 0;
  max-width: 40ch;
  font-family: var(--cn-font-body);
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  line-height: 1.85;
  color: rgba(245, 249, 253, 0.82);
}

.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 40px;
  margin: 34px 0 0;
  padding: 22px 0 0;
  list-style: none;
  border-top: 1px solid var(--cn-line-dark);
}

.page-news .news-hero__meta li {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-news .news-hero__meta .cn-mono {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--cn-gold);
  letter-spacing: 0.04em;
}

.page-news .news-hero__meta em {
  font-style: normal;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--cn-frost);
}

.page-news .news-hero__pulse {
  position: absolute;
  right: clamp(16px, 6vw, 80px);
  bottom: clamp(30px, 6vw, 72px);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cn-cyan);
  box-shadow: 0 0 0 0 rgba(35, 201, 182, 0.55);
  animation: news-pulse 7s ease-out infinite;
}

@keyframes news-pulse {
  0% { box-shadow: 0 0 0 0 rgba(35, 201, 182, 0.5); }
  70% { box-shadow: 0 0 0 26px rgba(35, 201, 182, 0); }
  100% { box-shadow: 0 0 0 0 rgba(35, 201, 182, 0); }
}

/* ---------- 置顶主公告 ---------- */
.page-news .news-featured {
  background: var(--cn-ink);
  padding: 0 0 clamp(52px, 7vw, 92px);
}

.page-news .news-featured__card {
  display: grid;
  gap: 0;
  background: var(--cn-ice);
  color: var(--cn-ink);
  clip-path: polygon(0 0, calc(100% - var(--news-cut)) 0, 100% var(--news-cut), 100% 100%, var(--news-cut) 100%, 0 calc(100% - var(--news-cut)));
  overflow: hidden;
  box-shadow: var(--cn-shadow);
}

.page-news .news-featured__visual {
  margin: 0;
  background: linear-gradient(150deg, var(--cn-night), var(--cn-blue));
  min-height: 240px;
}

.page-news .news-featured__visual img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 240px;
  object-fit: cover;
}

.page-news .news-featured__body {
  padding: clamp(26px, 4vw, 48px);
}

.page-news .news-featured__title {
  margin: 16px 0 0;
  font-family: var(--cn-font-display);
  font-weight: 800;
  font-size: clamp(1.35rem, 2.5vw, 2rem);
  line-height: 1.3;
  color: var(--cn-blue);
  letter-spacing: -0.01em;
}

.page-news .news-featured__lead {
  margin: 16px 0 0;
  max-width: 44ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--news-ink-mid);
}

.page-news .news-featured__list {
  margin: 24px 0 0;
  padding: 20px 0 0;
  list-style: none;
  border-top: 1px solid rgba(27, 110, 194, 0.18);
}

.page-news .news-featured__list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  margin-bottom: 14px;
}

.page-news .news-featured__list .cn-mono {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--cn-ice);
  background: var(--cn-red);
  clip-path: polygon(0 0, 100% 0, 100% 70%, 70% 100%, 0 100%);
}

.page-news .news-featured__list p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--news-ink-mid);
}

.page-news .news-featured__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* ---------- 标签归档 ---------- */
.page-news .news-head {
  max-width: 720px;
}

.page-news .news-tags__grid {
  display: grid;
  gap: 18px;
  margin-top: clamp(32px, 4vw, 52px);
}

.page-news .news-tagcard {
  position: relative;
  display: grid;
  grid-template-rows: auto auto auto 1fr;
  gap: 10px;
  padding: 24px 22px 26px;
  text-align: left;
  background: #ffffff;
  border: 1px solid rgba(169, 200, 232, 0.7);
  color: var(--cn-ink);
  cursor: pointer;
  font-family: var(--cn-font-body);
  transition: transform 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease;
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}

.page-news .news-tagcard__bar {
  display: block;
  width: 52px;
  height: 4px;
  background: var(--cn-blue);
}

.page-news .news-tagcard__name {
  font-family: var(--cn-font-display);
  font-weight: 700;
  font-size: 1.12rem;
  color: var(--cn-ink);
}

.page-news .news-tagcard__count {
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--cn-red);
  letter-spacing: 0.02em;
  line-height: 1;
}

.page-news .news-tagcard__desc {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--cn-mist);
}

.page-news .news-tagcard:hover,
.page-news .news-tagcard:focus-visible {
  transform: translateY(-4px);
  border-color: var(--cn-blue);
  box-shadow: 0 18px 40px -26px rgba(11, 35, 56, 0.6);
}

.page-news .news-tagcard[aria-pressed="true"] {
  border-color: var(--cn-red);
  background: #fff6f7;
}

.page-news .news-tagcard[aria-pressed="true"] .news-tagcard__bar {
  background: var(--cn-red);
}

/* ---------- 更新列表双栏 ---------- */
.page-news .news-stream__grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-news .news-stream__side-title {
  margin: 12px 0 0;
  font-family: var(--cn-font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  line-height: 1.25;
  color: var(--cn-blue);
}

.page-news .news-stream__side-note {
  margin: 12px 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--cn-mist);
}

.page-news .news-stream__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.page-news .news-stream__period {
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid rgba(169, 200, 232, 0.6);
}

.page-news .news-stream__label {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--cn-mist);
  margin-bottom: 10px;
}

.page-news .news-stream__select {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--cn-font-body);
  font-size: 0.92rem;
  color: var(--cn-ink);
  background: #ffffff;
  border: 1px solid var(--cn-frost);
  border-radius: 0;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
}

.page-news .news-stream__select:focus-visible {
  outline: 2px solid var(--cn-red);
  outline-offset: 2px;
}

.page-news .news-stream__list {
  border-top: 1px solid rgba(169, 200, 232, 0.8);
}

.page-news .news-item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 16px;
  padding: 24px 0;
  border-bottom: 1px solid rgba(169, 200, 232, 0.6);
}

.page-news .news-item__mark {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding-top: 4px;
}

.page-news .news-item__no {
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cn-red);
}

.page-news .news-item__time {
  writing-mode: vertical-rl;
  font-size: 0.68rem;
  letter-spacing: 0.24em;
  color: var(--cn-mist);
  padding: 2px 0;
}

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

.page-news .news-item__title {
  margin: 12px 0 0;
  font-family: var(--cn-font-display);
  font-weight: 700;
  font-size: clamp(1.02rem, 1.8vw, 1.24rem);
  line-height: 1.45;
  color: var(--cn-ink);
}

.page-news .news-item__fold {
  margin-top: 14px;
}

.page-news .news-item__summary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  list-style: none;
  font-size: 0.84rem;
  letter-spacing: 0.06em;
  color: var(--cn-blue);
}

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

.page-news .news-item__chev {
  display: block;
  width: 8px;
  height: 8px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.24s ease;
}

.page-news .news-item__fold[open] .news-item__chev {
  transform: rotate(-135deg);
}

.page-news .news-item__fold[open] .news-item__summary span:first-child {
  color: var(--cn-red);
}

.page-news .news-item__desc {
  margin: 12px 0 0;
  max-width: 46ch;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--news-ink-mid);
  border-left: 2px solid var(--cn-cyan);
  padding-left: 16px;
}

/* ---------- 资料下载清单 ---------- */
.page-news .news-downloads__grid {
  display: grid;
  gap: clamp(30px, 4vw, 56px);
}

.page-news .news-downloads__intro .cn-eyebrow {
  color: var(--cn-cyan);
}

.page-news .news-downloads__title {
  margin: 14px 0 0;
  font-family: var(--cn-font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 2.8vw, 2.2rem);
  line-height: 1.25;
  color: var(--cn-ice);
  letter-spacing: -0.01em;
}

.page-news .news-downloads__intro p {
  margin: 16px 0 0;
  max-width: 40ch;
  font-size: 0.98rem;
  line-height: 1.85;
  color: rgba(245, 249, 253, 0.78);
}

.page-news .news-downloads__rule {
  padding: 16px 0 0;
  border-top: 1px solid var(--cn-line-dark);
}

.page-news .news-downloads__rule .cn-mono {
  color: var(--cn-gold);
  font-size: 0.86rem;
}

.page-news .news-downloads__figure {
  margin: 26px 0 0;
}

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

.page-news .news-downloads__figure .cn-media__caption {
  margin-top: 10px;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--cn-frost);
}

.page-news .news-downloads__table-wrap {
  overflow-x: auto;
}

.page-news .news-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  background: rgba(245, 249, 253, 0.04);
}

.page-news .news-table__caption {
  text-align: left;
  padding: 0 0 14px;
  font-family: var(--cn-font-display);
  font-size: 0.86rem;
  letter-spacing: 0.14em;
  color: var(--cn-cyan);
}

.page-news .news-table thead th {
  padding: 14px 16px;
  text-align: left;
  font-family: var(--cn-font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--cn-ink);
  background: var(--cn-gold);
  border: none;
}

.page-news .news-table tbody th,
.page-news .news-table tbody td {
  padding: 15px 16px;
  text-align: left;
  font-size: 0.9rem;
  line-height: 1.6;
  color: rgba(245, 249, 253, 0.88);
  border-bottom: 1px solid var(--news-table-line);
  vertical-align: top;
}

.page-news .news-table tbody th {
  font-weight: 600;
  color: var(--cn-ice);
}

.page-news .news-table tbody tr:hover th,
.page-news .news-table tbody tr:hover td {
  background: rgba(35, 201, 182, 0.08);
}

.page-news .news-table tbody .cn-mono {
  font-size: 0.82rem;
  color: var(--cn-frost);
  letter-spacing: 0.06em;
}

.page-news .news-table__foot {
  margin: 18px 0 0;
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--cn-frost);
}

/* ---------- 订阅与收藏 ---------- */
.page-news .news-sub {
  position: relative;
  overflow: hidden;
  background: linear-gradient(150deg, var(--cn-night) 0%, #0a2c46 60%, var(--cn-ink) 100%);
  color: var(--cn-ice);
}

.page-news .news-sub__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-news .news-sub__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.34;
}

.page-news .news-sub::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(120deg, rgba(11, 35, 56, 0.92) 0%, rgba(11, 35, 56, 0.6) 55%, rgba(16, 21, 31, 0.9) 100%);
}

.page-news .news-sub__inner {
  position: relative;
  z-index: 2;
  max-width: 780px;
}

.page-news .news-sub .cn-eyebrow {
  color: var(--cn-cyan);
}

.page-news .news-sub__title {
  margin: 14px 0 0;
  font-family: var(--cn-font-display);
  font-weight: 900;
  font-size: clamp(1.6rem, 3.4vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--cn-ice);
}

.page-news .news-sub__lead {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(245, 249, 253, 0.8);
}

.page-news .news-sub__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-news .news-sub__notes {
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
  border-top: 1px solid var(--cn-line-dark);
  padding-top: 24px;
}

.page-news .news-sub__notes li {
  position: relative;
  padding-left: 20px;
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(245, 249, 253, 0.72);
}

.page-news .news-sub__notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 2px;
  background: var(--cn-gold);
}

.page-news .news-sub__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 32px;
  margin-top: 28px;
}

.page-news .news-sub__links a {
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  color: var(--cn-frost);
  text-decoration: none;
  border-bottom: 1px solid rgba(169, 200, 232, 0.5);
  padding-bottom: 3px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-news .news-sub__links a:hover,
.page-news .news-sub__links a:focus-visible {
  color: var(--cn-gold);
  border-color: var(--cn-gold);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .news-tags__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news .news-featured__card {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-news .news-featured__visual,
  .page-news .news-featured__visual img {
    min-height: 420px;
    height: 100%;
  }

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

  .page-news .news-downloads__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-news .news-stream__grid {
    grid-template-columns: 258px minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-stream__side {
    position: sticky;
    top: calc(var(--cn-header-h) + 24px);
  }

  .page-news .news-item {
    grid-template-columns: 68px minmax(0, 1fr);
    gap: 22px;
    padding: 28px 0;
  }
}

@media (max-width: 420px) {
  .page-news .news-hero__meta {
    gap: 12px 22px;
  }

  .page-news .news-hero__meta .cn-mono {
    font-size: 1.3rem;
  }

  .page-news .news-item {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-hero__pulse {
    animation: none;
  }

  .page-news .news-tagcard {
    transition: none;
  }

  .page-news .news-tagcard:hover,
  .page-news .news-tagcard:focus-visible {
    transform: none;
  }

  .page-news .news-item__chev {
    transition: none;
  }
}