.page-news {
  --news-hairline: rgba(46, 74, 104, .55);
  --news-hairline-soft: rgba(46, 74, 104, .3);
  display: block;
  background:
    radial-gradient(1300px 620px at 88% -12%, rgba(27, 58, 92, .55), transparent 68%),
    var(--xb-deep);
  color: var(--xb-snow);
  font-family: var(--xb-font-cn);
  font-size: 16px;
  line-height: 1.75;
  padding-bottom: clamp(56px, 9vw, 112px);
  overflow-x: hidden;
}

.page-news h1,
.page-news h2,
.page-news h3 {
  margin: 0;
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.25;
}

.page-news p {
  margin: 0;
}

.page-news ul,
.page-news ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news a {
  color: inherit;
  text-decoration: none;
}

.page-news section[id] {
  scroll-margin-top: 104px;
}

/* ── 首屏框景 ─────────────────────────────── */

.page-news .news-hero {
  padding-top: clamp(18px, 3vw, 34px);
}

.page-news .news-hero .xb-breadcrumb {
  margin-bottom: clamp(14px, 2vw, 24px);
  font-family: var(--xb-font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--xb-mist);
}

.page-news .news-hero .xb-breadcrumb a {
  color: var(--xb-mist);
}

.page-news .news-hero .xb-breadcrumb a:hover {
  color: var(--xb-orange);
}

.page-news .news-hero__frame {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border: 1px solid var(--xb-rule);
  border-radius: var(--xb-radius);
  background: linear-gradient(155deg, #0A1A2E 0%, #12263F 46%, #1B3A5C 100%);
  box-shadow: var(--xb-shadow);
  padding: clamp(34px, 7vw, 78px) clamp(20px, 5vw, 66px) clamp(26px, 4vw, 46px);
}

.page-news .news-hero__frame::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 12px;
  background-image:
    repeating-linear-gradient(to right, var(--xb-orange) 0 2px, transparent 2px 160px),
    repeating-linear-gradient(to right, var(--xb-rule) 0 1px, transparent 1px 40px);
  opacity: .9;
}

.page-news .news-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .3;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, .32) 68%, transparent 100%);
  mask-image: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, .32) 68%, transparent 100%);
}

.page-news .news-hero__body {
  position: relative;
  max-width: 62ch;
}

.page-news .news-hero__body .xb-eyebrow {
  margin-bottom: 14px;
  color: var(--xb-orange);
}

.page-news .news-hero__title {
  font-size: clamp(2rem, 6vw, 3.6rem);
  color: var(--xb-snow);
}

.page-news .news-hero__lead {
  margin-top: clamp(16px, 2.4vw, 26px);
  max-width: 56ch;
  color: var(--xb-mist);
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
}

.page-news .news-hero__meter {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(30px, 5vw, 52px) 0 0;
  border: 1px solid var(--news-hairline);
  border-radius: 10px;
  background: var(--news-hairline-soft);
  overflow: hidden;
}

.page-news .news-hero__meter-item {
  background: rgba(10, 26, 46, .78);
  padding: 14px 16px 16px;
}

.page-news .news-hero__meter dt {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--xb-mist);
}

.page-news .news-hero__meter dd {
  margin: 4px 0 0;
  font-family: var(--xb-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  color: var(--xb-snow);
}

/* ── 索引列 + 内容列 ───────────────────────── */

.page-news .news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  margin-top: clamp(38px, 6vw, 74px);
}

.page-news .news-rail__block + .news-rail__block {
  margin-top: 22px;
}

.page-news .news-rail__block .xb-eyebrow {
  color: var(--xb-mist);
  margin-bottom: 10px;
}

.page-news .news-rail__list {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.page-news .news-rail__list > li {
  flex: 0 0 auto;
}

.page-news .news-rail__list .xb-anchor {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px 7px 10px;
  border: 1px solid var(--news-hairline);
  border-left: 2px solid transparent;
  border-radius: 6px;
  font-size: 14px;
  white-space: nowrap;
  color: var(--xb-mist);
  transition: color .22s ease, border-color .22s ease, background-color .22s ease;
}

.page-news .news-rail__list .xb-anchor .xb-anchor__ix {
  font-family: var(--xb-font-mono);
  font-size: 11px;
  color: var(--xb-rule);
  border: 0;
}

.page-news .news-rail__list .xb-anchor:hover,
.page-news .news-rail__list .xb-anchor.is-active {
  color: var(--xb-snow);
  border-left-color: var(--xb-orange);
  background: rgba(27, 58, 92, .5);
}

.page-news .news-rail__list .xb-anchor.is-active .xb-anchor__ix {
  color: var(--xb-orange);
}

.page-news .news-rail__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ── 分类标签 ─────────────────────────────── */

.page-news .news-tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border: 1px solid var(--xb-amber);
  border-radius: 3px;
  font-family: var(--xb-font-mono);
  font-size: 11px;
  line-height: 1.7;
  letter-spacing: .02em;
  color: var(--xb-amber);
  white-space: nowrap;
}

.page-news .news-tag[data-test="true"] {
  background: var(--xb-amber);
  color: var(--xb-deep);
  font-weight: 600;
}

/* ── 章节容器 ─────────────────────────────── */

.page-news .news-section + .news-section {
  margin-top: clamp(52px, 8vw, 104px);
}

.page-news .news-section__head {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--xb-rule);
  margin-bottom: clamp(24px, 3vw, 36px);
}

.page-news .news-section__head .xb-eyebrow {
  color: var(--xb-orange);
  margin-bottom: 10px;
}

.page-news .news-section__head .xb-h2 {
  font-size: clamp(1.6rem, 3.6vw, 2.35rem);
  color: var(--xb-snow);
}

.page-news .news-section__note,
.page-news .news-section__lead {
  margin-top: 12px;
  max-width: 64ch;
  color: var(--xb-mist);
  font-size: 15px;
  line-height: 1.9;
}

/* ── 图表 ─────────────────────────────────── */

.page-news .news-figure {
  margin: 0 0 clamp(24px, 3.4vw, 38px);
  border: 1px solid var(--news-hairline);
  border-radius: 12px;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(18, 38, 63, .9), rgba(10, 26, 46, .9));
}

.page-news .news-figure--narrow {
  margin-top: clamp(26px, 4vw, 42px);
}

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

.page-news .news-figure__cap {
  padding: 11px 16px 13px;
  border-top: 1px solid var(--news-hairline);
  font-family: var(--xb-font-mono);
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--xb-mist);
}

/* ── 条目流 ───────────────────────────────── */

.page-news .news-list {
  border-top: 1px solid var(--news-hairline);
}

.page-news .news-item {
  position: relative;
  padding: 22px 0 22px 18px;
  border-bottom: 1px solid var(--news-hairline);
  transition: background-color .25s ease;
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  bottom: 24px;
  width: 2px;
  background: var(--xb-rule);
  opacity: .7;
  transition: background-color .25s ease, opacity .25s ease;
}

.page-news .news-item:hover,
.page-news .news-item:focus-within {
  background: rgba(27, 58, 92, .28);
}

.page-news .news-item:hover::before,
.page-news .news-item:focus-within::before {
  background: var(--xb-orange);
  opacity: 1;
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--xb-font-mono);
  font-size: 12px;
  color: var(--xb-mist);
}

.page-news .news-item__ix {
  color: var(--xb-orange);
  letter-spacing: .04em;
}

.page-news .news-item__time::before {
  content: "· ";
  color: var(--xb-rule);
}

.page-news .news-item__title {
  margin-top: 10px;
  font-size: clamp(17px, 2vw, 19px);
  font-weight: 600;
  color: var(--xb-snow);
}

.page-news .news-item__sum {
  margin-top: 8px;
  max-width: 66ch;
  color: var(--xb-mist);
  font-size: 15px;
  line-height: 1.85;
}

.page-news .news-item__extra {
  max-height: 0;
  margin-top: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height .32s ease, opacity .28s ease, margin-top .32s ease;
}

.page-news .news-item:hover .news-item__extra,
.page-news .news-item:focus-within .news-item__extra {
  max-height: 160px;
  margin-top: 12px;
  opacity: 1;
}

.page-news .news-item__extra-line {
  padding-left: 12px;
  border-left: 2px solid var(--xb-green);
  font-family: var(--xb-font-mono);
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--xb-mist);
}

.page-news .news-item__extra-line + .news-item__extra-line {
  margin-top: 6px;
}

/* ── 选题方向 ─────────────────────────────── */

.page-news .news-topics {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--news-hairline-soft);
  border: 1px solid var(--news-hairline);
  border-radius: 12px;
  overflow: hidden;
}

.page-news .news-topic {
  background: rgba(18, 38, 63, .82);
  padding: 24px 20px 26px;
  transition: background-color .25s ease;
}

.page-news .news-topic:hover {
  background: rgba(27, 58, 92, .82);
}

.page-news .news-topic__ix {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--xb-orange);
}

.page-news .news-topic__title {
  margin-top: 10px;
  font-size: 19px;
  color: var(--xb-snow);
}

.page-news .news-topic__text {
  margin-top: 10px;
  color: var(--xb-mist);
  font-size: 15px;
  line-height: 1.88;
}

/* ── 专题系列 ─────────────────────────────── */

.page-news .news-series {
  display: grid;
  gap: clamp(20px, 3vw, 30px);
}

.page-news .news-series__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--news-hairline);
  border-top: 2px solid var(--xb-orange);
  border-radius: 12px;
  background: linear-gradient(160deg, rgba(18, 38, 63, .95), rgba(10, 26, 46, .95));
}

.page-news .news-series__ix {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--xb-mist);
}

.page-news .news-series__title {
  margin-top: 8px;
  font-size: clamp(19px, 2.3vw, 22px);
  color: var(--xb-snow);
}

.page-news .news-series__text {
  margin-top: 12px;
  max-width: 62ch;
  color: var(--xb-mist);
  font-size: 15px;
  line-height: 1.88;
}

.page-news .news-series__facts {
  display: grid;
  gap: 1px;
  margin-top: 18px;
  border-top: 1px dashed var(--news-hairline);
}

.page-news .news-series__facts li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 10px 0 2px;
  border-bottom: 1px dashed var(--news-hairline);
  font-size: 13.5px;
}

.page-news .news-series__facts-k {
  min-width: 68px;
  font-family: var(--xb-font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--xb-rule);
  color: var(--xb-mist);
}

.page-news .news-series__facts-v {
  color: var(--xb-snow);
  font-family: var(--xb-font-mono);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.page-news .news-series__figure {
  margin: 0;
  border: 1px solid var(--news-hairline);
  border-radius: 10px;
  overflow: hidden;
  background: rgba(10, 26, 46, .7);
}

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

.page-news .news-series__cap {
  padding: 10px 14px 12px;
  border-top: 1px solid var(--news-hairline);
  font-family: var(--xb-font-mono);
  font-size: 12px;
  color: var(--xb-mist);
}

.page-news .news-cta-line {
  margin-top: clamp(22px, 3vw, 34px);
  color: var(--xb-mist);
  font-size: 15px;
  line-height: 1.9;
}

.page-news .news-inline-link {
  color: var(--xb-orange);
  border-bottom: 1px solid rgba(255, 106, 31, .45);
  transition: border-color .22s ease;
}

.page-news .news-inline-link:hover {
  border-bottom-color: var(--xb-orange);
}

/* ── 投稿与纠错 ───────────────────────────── */

.page-news .news-feedback {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--news-hairline-soft);
  border: 1px solid var(--news-hairline);
  border-radius: 12px;
  overflow: hidden;
}

.page-news .news-feedback__item {
  background: rgba(10, 26, 46, .86);
  padding: 24px 20px 26px;
}

.page-news .news-feedback__ix {
  font-family: var(--xb-font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--xb-green);
}

.page-news .news-feedback__title {
  margin-top: 10px;
  font-size: 18px;
  color: var(--xb-snow);
}

.page-news .news-feedback__text {
  margin-top: 10px;
  color: var(--xb-mist);
  font-size: 15px;
  line-height: 1.88;
}

.page-news .news-feedback__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: clamp(22px, 3vw, 32px);
  padding-top: 20px;
  border-top: 1px solid var(--news-hairline);
}

.page-news .news-feedback__foot-text {
  flex: 1 1 260px;
  color: var(--xb-mist);
  font-size: 14px;
}

/* ── 桌面栅格 ─────────────────────────────── */

@media (min-width: 760px) {
  .page-news .news-hero__meter {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-news .news-feedback {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-news .news-series__item--flip {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (min-width: 1000px) {
  .page-news .news-layout {
    grid-template-columns: minmax(200px, 244px) minmax(0, 1fr);
    gap: clamp(34px, 4.2vw, 62px);
  }

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

  .page-news .news-rail__list {
    flex-direction: column;
    overflow: visible;
    gap: 2px;
    padding-bottom: 0;
  }

  .page-news .news-rail__list .xb-anchor {
    display: flex;
    width: 100%;
    border: 0;
    border-left: 2px solid var(--news-hairline);
    border-radius: 0;
    background: transparent;
    padding: 9px 10px 9px 12px;
  }

  .page-news .news-rail__list .xb-anchor:hover,
  .page-news .news-rail__list .xb-anchor.is-active {
    background: rgba(27, 58, 92, .42);
  }

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

  .page-news .news-series__item--flip {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (min-width: 1200px) {
  .page-news .news-series__item--flip {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .news-item::before,
  .page-news .news-item__extra,
  .page-news .news-topic,
  .page-news .news-rail__list .xb-anchor,
  .page-news .news-inline-link {
    transition: none;
  }
}