.page-news {
  --news-line: rgba(31, 110, 156, 0.5);
  --news-line-soft: rgba(31, 110, 156, 0.28);
  --news-glow-line: rgba(53, 224, 208, 0.45);
  --news-gap: 14px;
  --news-radius: 4px;
  --news-aside-w: 252px;
  background: var(--deep);
  color: var(--foam);
  padding-bottom: clamp(40px, 6vw, 80px);
}

.page-news .ly-breadcrumb {
  padding: 16px 0 4px;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--news-glow-line);
}

.page-news .news-hero__img {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}

.page-news .news-hero__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(120% 90% at 10% 0%, rgba(6, 26, 47, 0.96), rgba(11, 46, 79, 0.78) 48%, rgba(31, 110, 156, 0.4) 100%),
    linear-gradient(180deg, rgba(6, 26, 47, 0.3), rgba(6, 26, 47, 0.92));
}

.page-news .news-hero__inner {
  padding-top: clamp(44px, 9vw, 104px);
  padding-bottom: clamp(30px, 5vw, 56px);
}

.page-news .news-hero__title {
  margin: 12px 0 16px;
  max-width: 21ch;
  font-size: clamp(29px, 5.4vw, 58px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.02em;
}

.page-news .news-hero__lead {
  max-width: 48ch;
  margin: 0 0 22px;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: rgba(242, 247, 249, 0.84);
}

.page-news .news-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-left: 10px;
  border-left: 2px solid var(--glow);
  font-size: 13px;
  color: rgba(242, 247, 249, 0.78);
}

.page-news .news-hero__facts .ly-mono {
  font-size: 18px;
  color: var(--glow);
}

/* ---------- 导读条 ---------- */
.page-news .news-jump {
  display: flex;
  gap: 8px;
  padding: 14px 0;
  overflow-x: auto;
  border-bottom: 1px dashed var(--news-line);
  scrollbar-width: thin;
}

.page-news .news-jump a {
  flex: 0 0 auto;
  padding: 6px 14px;
  border: 1px solid var(--news-line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(242, 247, 249, 0.82);
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.page-news .news-jump a:hover,
.page-news .news-jump a:focus-visible {
  border-color: var(--glow);
  color: var(--glow-soft);
  background: rgba(53, 224, 208, 0.08);
}

/* ---------- 主体布局 ---------- */
.page-news .news-body {
  display: grid;
  gap: 26px;
  padding-top: 24px;
}

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

.page-news .news-main > .news-sec + .news-sec {
  margin-top: clamp(32px, 4.4vw, 52px);
}

/* ---------- 左侧系列导航 ---------- */
.page-news .news-aside__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--lane);
}

.page-news .news-filter {
  display: flex;
  gap: 8px;
  padding-bottom: 6px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-news .news-filter__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-news .news-aside__item {
  flex: 0 0 auto;
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--news-line);
  border-radius: var(--news-radius);
  background: rgba(20, 71, 111, 0.42);
  color: rgba(242, 247, 249, 0.86);
  cursor: pointer;
  white-space: nowrap;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.page-news .news-aside__num {
  font-size: 12px;
  color: var(--lane);
}

.page-news .news-aside__name {
  font-size: 14px;
  font-weight: 700;
}

.page-news .news-aside__desc {
  display: none;
  font-size: 12px;
  line-height: 1.6;
  color: rgba(242, 247, 249, 0.62);
  white-space: normal;
}

.page-news .news-aside__item:hover {
  border-color: var(--news-glow-line);
  background: rgba(20, 71, 111, 0.68);
}

.page-news .news-filter__radio:checked + .news-aside__item {
  border-color: var(--glow);
  background: rgba(53, 224, 208, 0.14);
  color: var(--glow-soft);
}

.page-news .news-filter__radio:checked + .news-aside__item .news-aside__num {
  color: var(--glow);
}

.page-news .news-filter__radio:focus-visible + .news-aside__item {
  outline: 2px solid var(--glow);
  outline-offset: 2px;
}

.page-news .news-aside__note {
  margin: 14px 0 12px;
  font-size: 12.5px;
  line-height: 1.75;
  color: rgba(242, 247, 249, 0.6);
}

.page-news .news-aside__cta {
  display: inline-flex;
  font-size: 13px;
}

/* ---------- 区块标题 ---------- */
.page-news .news-sec__title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 14px;
  font-size: clamp(22px, 3.2vw, 32px);
  font-weight: 900;
  letter-spacing: -0.02em;
}

.page-news .news-sec__num {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--glow);
  border: 1px solid var(--news-glow-line);
  border-radius: 2px;
  padding: 2px 6px;
}

/* ---------- 头条卡 ---------- */
.page-news .news-headline__card {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  min-height: 300px;
  border: 1px solid var(--glow);
  border-radius: var(--news-radius);
  background: var(--abyss);
}

.page-news .news-headline__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
}

.page-news .news-headline__body {
  position: relative;
  z-index: 1;
  padding: clamp(20px, 3.6vw, 38px);
  padding-right: clamp(60px, 12vw, 150px);
  background: linear-gradient(180deg, rgba(6, 26, 47, 0.2), rgba(6, 26, 47, 0.9) 62%);
}

.page-news .news-headline__tag {
  display: inline-block;
  margin-bottom: 12px;
  transform: rotate(-2deg);
}

.page-news .news-headline__title {
  margin: 0 0 12px;
  font-size: clamp(20px, 2.6vw, 30px);
  font-weight: 900;
  line-height: 1.32;
  letter-spacing: -0.01em;
  max-width: 26ch;
}

.page-news .news-headline__lead {
  margin: 0 0 16px;
  max-width: 46ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(242, 247, 249, 0.78);
}

.page-news .news-headline__list {
  display: grid;
  gap: 7px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-news .news-headline__list li {
  display: flex;
  gap: 10px;
  font-size: 13.5px;
  color: rgba(242, 247, 249, 0.86);
}

.page-news .news-headline__list .ly-mono {
  color: var(--glow);
}

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

.page-news .news-headline__num {
  position: absolute;
  right: 14px;
  bottom: -8px;
  z-index: 1;
  font-size: clamp(64px, 13vw, 132px);
  line-height: 0.8;
  font-weight: 700;
  color: rgba(53, 224, 208, 0.2);
  pointer-events: none;
}

/* ---------- 文章列表 ---------- */
.page-news .news-list__intro {
  margin: 0 0 16px;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(242, 247, 249, 0.62);
}

.page-news .news-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
  margin: 0;
  padding: 0;
  list-style: none;
  align-items: stretch;
}

.page-news .news-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--news-line);
  border-radius: var(--news-radius);
  background: linear-gradient(160deg, #123e60, #0b2e4f);
  transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
}

.page-news .news-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 2px;
  background: linear-gradient(180deg, var(--series-color, var(--glow)), transparent);
}

.page-news .news-card.is-version { --series-color: var(--glow); }
.page-news .news-card.is-data { --series-color: var(--glow-soft); background: linear-gradient(160deg, #14476f, #0d3352); }
.page-news .news-card.is-region { --series-color: #6fc6e8; background: linear-gradient(160deg, #12456a, #14476f); }
.page-news .news-card.is-brief { --series-color: var(--coral); background: linear-gradient(160deg, #0b2e4f, #061a2f); }

.page-news .news-card:hover,
.page-news .news-card:focus-within {
  transform: translateY(-3px);
  border-color: var(--news-glow-line);
  box-shadow: 0 14px 30px rgba(4, 18, 31, 0.55);
}

.page-news .news-card__link {
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 100%;
  padding: 16px 18px 18px 20px;
  color: inherit;
  text-decoration: none;
}

.page-news .news-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-news .news-card__series {
  display: inline-block;
  padding: 2px 9px;
  transform: rotate(-2deg);
  background: var(--paper);
  color: var(--ink);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: 2px;
}

.page-news .news-card__time {
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: rgba(155, 243, 234, 0.85);
  padding-left: 10px;
  position: relative;
}

.page-news .news-card__time::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 4px;
  height: 4px;
  margin-top: -2px;
  border-radius: 50%;
  background: var(--series-color, var(--glow));
}

.page-news .news-card__title {
  margin: 0;
  font-size: 16.5px;
  font-weight: 800;
  line-height: 1.45;
  letter-spacing: -0.01em;
}

.page-news .news-card__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(242, 247, 249, 0.72);
}

.page-news .news-card__point {
  margin: 0;
  padding-top: 9px;
  border-top: 1px dashed rgba(31, 110, 156, 0.6);
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(155, 243, 234, 0.78);
}

.page-news .news-card__thumb {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: 3px;
  margin-bottom: 4px;
}

.page-news .news-card__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* 按系列筛选（JS 不参与，纯 CSS 生效） */
.page-news .news-body:has(#nf-version:checked) .news-card:not(.is-version),
.page-news .news-body:has(#nf-data:checked) .news-card:not(.is-data),
.page-news .news-body:has(#nf-region:checked) .news-card:not(.is-region),
.page-news .news-body:has(#nf-brief:checked) .news-card:not(.is-brief) {
  display: none;
}

/* ---------- 版本对照 ---------- */
.page-news .news-compare__lead {
  margin: 0 0 18px;
  max-width: 52ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(242, 247, 249, 0.76);
}

.page-news .compare {
  padding: clamp(14px, 2.4vw, 22px);
  border: 1px solid var(--news-line);
  border-radius: var(--news-radius);
  background: linear-gradient(150deg, rgba(20, 71, 111, 0.62), rgba(6, 26, 47, 0.9));
}

.page-news .compare__check {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-news .compare__toggle {
  display: inline-flex;
  cursor: pointer;
  margin-bottom: 14px;
}

.page-news .compare__check:focus-visible + .compare__toggle {
  outline: 2px solid var(--glow);
  outline-offset: 2px;
}

.page-news .compare__check:checked + .compare__toggle {
  border-color: var(--glow);
  color: var(--glow-soft);
}

.page-news .compare:has(#diff-only:checked) .compare__row:not(.is-diff) {
  display: none;
}

.page-news .compare__list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .compare__row {
  display: grid;
  gap: 8px;
}

.page-news .compare__cell {
  padding: 10px 12px 10px 14px;
  border-left: 3px solid transparent;
  border-radius: 2px;
  background: rgba(11, 46, 79, 0.62);
}

.page-news .compare__cell p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(242, 247, 249, 0.82);
}

.page-news .compare__cell--new {
  border-left-color: var(--glow);
}

.page-news .compare__cell--new p {
  color: rgba(242, 247, 249, 0.94);
}

.page-news .compare__cell--old {
  border-left-color: rgba(255, 107, 74, 0.8);
}

.page-news .compare__ver {
  display: block;
  margin-bottom: 6px;
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--glow);
}

.page-news .compare__cell--old .compare__ver {
  color: var(--coral);
}

.page-news .compare__row.is-diff .compare__cell--new {
  background: rgba(53, 224, 208, 0.09);
}

/* ---------- 订阅与反馈 ---------- */
.page-news .news-subscribe {
  padding: clamp(20px, 3.4vw, 36px);
  border: 1px solid var(--news-glow-line);
  border-radius: var(--news-radius);
  background:
    radial-gradient(100% 120% at 100% 0%, rgba(53, 224, 208, 0.12), transparent 60%),
    linear-gradient(140deg, rgba(20, 71, 111, 0.72), rgba(6, 26, 47, 0.94));
}

.page-news .news-subscribe__lead {
  margin: 0 0 16px;
  max-width: 50ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(242, 247, 249, 0.8);
}

.page-news .news-subscribe__details {
  max-width: 56ch;
  margin-bottom: 20px;
  border-left: 4px solid var(--glow);
  background: rgba(6, 26, 47, 0.55);
  border-radius: 2px;
}

.page-news .news-subscribe__details summary {
  padding: 11px 14px;
  font-size: 14px;
  font-weight: 700;
  color: var(--glow-soft);
  cursor: pointer;
  list-style: none;
}

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

.page-news .news-subscribe__details summary::before {
  content: "+";
  display: inline-block;
  width: 16px;
  font-family: var(--font-mono);
  color: var(--glow);
}

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

.page-news .news-subscribe__details p {
  margin: 0;
  padding: 0 14px 14px 30px;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(242, 247, 249, 0.76);
}

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

.page-news .news-subscribe__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--news-line-soft);
}

.page-news .news-subscribe__links a {
  font-size: 13px;
  color: rgba(155, 243, 234, 0.9);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 208, 0.35);
  padding-bottom: 2px;
}

.page-news .news-subscribe__links a:hover,
.page-news .news-subscribe__links a:focus-visible {
  color: var(--glow);
  border-bottom-color: var(--glow);
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-news .news-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-card--lead {
    grid-column: 1 / -1;
  }

  .page-news .news-card--lead .news-card__link {
    flex-direction: row;
    align-items: flex-start;
    gap: 18px;
  }

  .page-news .news-card--lead .news-card__thumb {
    flex: 0 0 42%;
    margin-bottom: 0;
    align-self: stretch;
    height: 100%;
    aspect-ratio: auto;
    min-height: 150px;
  }

  .page-news .news-card--lead .news-card__body {
    flex: 1 1 auto;
  }

  .page-news .news-card:not(.news-card--lead) .news-card__point {
    transition: opacity 0.2s ease, max-height 0.24s ease;
  }
}

@media (hover: hover) {
  .page-news .news-card:not(.news-card--lead) .news-card__point {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    padding-top: 0;
    border-top-color: transparent;
    transition: max-height 0.26s ease, opacity 0.22s ease, padding-top 0.22s ease;
  }

  .page-news .news-card:not(.news-card--lead):hover .news-card__point,
  .page-news .news-card:not(.news-card--lead):focus-within .news-card__point {
    max-height: 6em;
    opacity: 1;
    padding-top: 9px;
    border-top-color: rgba(31, 110, 156, 0.6);
  }
}

@media (min-width: 760px) {
  .page-news .compare__row {
    grid-template-columns: 1fr 1fr;
    gap: 0;
  }

  .page-news .compare__cell--new {
    border-radius: 2px 0 0 2px;
  }

  .page-news .compare__cell--old {
    border-radius: 0 2px 2px 0;
  }
}

@media (min-width: 1000px) {
  .page-news .news-hero__inner {
    max-width: 72ch;
  }

  .page-news .news-body {
    grid-template-columns: var(--news-aside-w) minmax(0, 1fr);
    gap: 44px;
    padding-top: 32px;
  }

  .page-news .news-aside {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-news .news-filter {
    flex-direction: column;
    overflow: visible;
    gap: 7px;
    padding-bottom: 0;
  }

  .page-news .news-aside__item {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 2px 10px;
    white-space: normal;
    padding: 10px 12px;
  }

  .page-news .news-aside__desc {
    display: block;
    grid-column: 1 / -1;
  }

  .page-news .news-aside__item:hover {
    transform: translateX(2px);
  }

  .page-news .news-card__title {
    font-size: 17.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-card,
  .page-news .news-aside__item,
  .page-news .news-jump a,
  .page-news .news-subscribe__details,
  .page-news .news-card__point {
    transition: none;
  }

  .page-news .news-card:hover,
  .page-news .news-card:focus-within,
  .page-news .news-aside__item:hover {
    transform: none;
  }
}