.page-news {
  --news-gap: clamp(16px, 3vw, 30px);
  --news-wide: 980px;
  padding-bottom: clamp(40px, 7vw, 84px);
}

.page-news .bf-crumb {
  padding-block: clamp(14px, 2.4vw, 22px) 0;
}

/* 报头 */
.page-news .news-masthead {
  position: relative;
  margin-top: clamp(10px, 2vw, 18px);
  padding-block: clamp(26px, 5vw, 52px) clamp(22px, 3.4vw, 36px);
  border-block: 1px solid var(--line-strong);
  background:
    radial-gradient(120% 140% at 50% -20%, rgba(77, 240, 208, 0.10), transparent 62%),
    linear-gradient(180deg, rgba(13, 42, 33, 0.92), rgba(6, 26, 20, 0.55));
}

.page-news .news-masthead::before {
  content: "";
  position: absolute;
  inset-block-start: 0;
  inset-inline: 0;
  height: 9px;
  background: repeating-linear-gradient(90deg, var(--line-strong) 0 1px, transparent 1px 13px);
  opacity: 0.75;
  pointer-events: none;
}

.page-news .news-masthead__inner {
  text-align: center;
}

.page-news .news-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(44px, 12vw, 104px);
  line-height: 0.94;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-news .news-lede {
  max-width: 60ch;
  margin: clamp(14px, 2.2vw, 20px) auto 0;
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.8;
  color: var(--sand);
}

.page-news .news-masthead__facts {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px clamp(16px, 3vw, 34px);
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--sage);
}

.page-news .news-masthead__num {
  display: inline-block;
  margin-inline-end: 4px;
  font-family: var(--font-mono);
  font-size: 19px;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
}

/* 横向主题带 */
.page-news .news-tape {
  border-block-end: 1px solid var(--line-strong);
  background: var(--tactical);
}

.page-news .news-tape__track {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-news .news-tape__list {
  display: flex;
  margin: 0;
  padding: 0;
  list-style: none;
  min-width: max-content;
}

.page-news .news-tape__link {
  display: block;
  padding: 13px clamp(14px, 2.2vw, 24px);
  border-inline-end: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--sage);
  text-decoration: none;
  transition: color 0.18s ease, background-color 0.18s ease;
}

.page-news .news-tape__link:hover,
.page-news .news-tape__link:focus-visible {
  color: var(--ink);
  background: var(--cyan);
}

/* 头条 */
.page-news .news-band {
  padding-block: clamp(26px, 4.4vw, 48px) clamp(10px, 2vw, 18px);
}

.page-news .news-lead {
  display: grid;
  gap: var(--news-gap);
}

.page-news .news-figure {
  margin: 0;
  border: 1px solid var(--line-strong);
  background: var(--panel);
  box-shadow: var(--stack-shadow);
}

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

.page-news .news-figure__cap {
  padding: 10px 14px;
  border-block-start: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--sage);
  background: rgba(6, 26, 20, 0.6);
}

.page-news .news-lead__body .bf-tag {
  display: inline-block;
  margin-bottom: 12px;
}

.page-news .news-lead__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(25px, 4.4vw, 38px);
  line-height: 1.22;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-news .news-lead__text {
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--sand);
}

.page-news .news-lead__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

/* 速览三条 */
.page-news .news-brief {
  display: grid;
  gap: 1px;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .news-brief__item {
  position: relative;
  padding: clamp(16px, 2.6vw, 22px);
  background: var(--tactical);
}

.page-news .news-brief__item::before {
  content: "";
  position: absolute;
  inset-block-start: 0;
  inset-inline-start: 0;
  width: 3px;
  height: 100%;
  background: var(--line-orange);
}

.page-news .news-brief__idx {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-news .news-brief__title {
  margin: 8px 0 8px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--white);
}

.page-news .news-brief__text {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--sage);
}

.page-news .news-brief__link {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
  padding-bottom: 2px;
}

.page-news .news-brief__link:hover,
.page-news .news-brief__link:focus-visible {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

/* 主体两栏 */
.page-news .news-body {
  display: grid;
  gap: clamp(26px, 4.4vw, 46px);
  padding-block: clamp(28px, 5vw, 52px);
}

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

.page-news .news-group {
  margin-bottom: clamp(30px, 5vw, 52px);
}

.page-news .news-group:last-child {
  margin-bottom: 0;
}

.page-news .news-group__head {
  position: relative;
  padding-block-end: 16px;
  border-block-end: 2px solid var(--line-strong);
}

.page-news .news-group__index {
  position: absolute;
  inset-block-start: -6px;
  inset-inline-end: 0;
  font-family: var(--font-display);
  font-size: 46px;
  font-weight: 700;
  line-height: 1;
  color: rgba(77, 240, 208, 0.16);
}

.page-news .news-group__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 3.2vw, 28px);
  line-height: 1.3;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-news .news-group__lede {
  max-width: 52ch;
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--sage);
}

/* 文章条目 */
.page-news .news-item {
  padding-block: clamp(18px, 2.8vw, 26px);
  border-block-end: 1px solid var(--line);
}

.page-news .news-item__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.page-news .news-item__when {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--sage);
}

.page-news .news-item__title {
  margin: 0 0 8px;
  font-size: clamp(16px, 2.2vw, 18.5px);
  font-weight: 700;
  line-height: 1.55;
}

.page-news .news-item__title a {
  color: var(--white);
  text-decoration: none;
  transition: color 0.16s ease;
}

.page-news .news-item__title a:hover,
.page-news .news-item__title a:focus-visible {
  color: var(--cyan);
}

.page-news .news-item__text {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sand);
}

.page-news .news-item__more {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
  padding-bottom: 2px;
}

.page-news .news-item__more:hover,
.page-news .news-item__more:focus-visible {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

.page-news .news-item--wide {
  display: grid;
  gap: clamp(14px, 2.4vw, 24px);
}

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

/* 侧栏 */
.page-news .news-rail {
  display: grid;
  gap: 16px;
  align-content: start;
  min-width: 0;
}

.page-news .news-rail__panel {
  padding: clamp(16px, 2.6vw, 22px);
  border: 1px solid var(--line);
  background: var(--tactical);
  box-shadow: 4px 4px 0 rgba(4, 18, 14, 0.7);
}

.page-news .news-rail__panel--paper {
  background: var(--panel);
  border-color: var(--line-cyan);
}

.page-news .news-rail__title {
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-block-end: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-news .news-rail__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-news .news-rail__link {
  display: block;
  padding: 8px 0 8px 14px;
  border-inline-start: 1px solid var(--line-strong);
  font-size: 14px;
  color: var(--sand);
  text-decoration: none;
  transition: color 0.16s ease, border-color 0.16s ease, padding-inline-start 0.16s ease;
}

.page-news .news-rail__link:hover,
.page-news .news-rail__link:focus-visible {
  color: var(--cyan);
  border-inline-start-color: var(--cyan);
  padding-inline-start: 20px;
}

.page-news .news-rail__facts {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-news .news-rail__fact {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  padding-block-end: 8px;
  border-block-end: 1px dashed var(--line);
}

.page-news .news-rail__fact:last-child {
  padding-block-end: 0;
  border-block-end: 0;
}

.page-news .news-rail__fact dt {
  font-size: 13px;
  color: var(--sage);
}

.page-news .news-rail__fact dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 17px;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
}

.page-news .news-rail__text {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--sand);
}

/* 专题系列 */
.page-news .news-series {
  display: grid;
  gap: 1px;
  margin: clamp(16px, 2.6vw, 24px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .news-series__item {
  position: relative;
  padding: clamp(16px, 2.8vw, 24px);
  background: linear-gradient(150deg, var(--panel), var(--tactical));
}

.page-news .news-series__num {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--orange);
}

.page-news .news-series__title {
  margin: 10px 0 8px;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--white);
}

.page-news .news-series__text {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--sage);
}

.page-news .news-series__link {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
  padding-bottom: 2px;
}

.page-news .news-series__link:hover,
.page-news .news-series__link:focus-visible {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

/* 往期与入口 */
.page-news .news-backissues {
  margin-top: clamp(10px, 2vw, 20px);
  padding-block: clamp(30px, 5vw, 54px);
  border-block-start: 1px solid var(--line-strong);
  background:
    linear-gradient(115deg, rgba(20, 59, 47, 0.9) 0%, rgba(13, 42, 33, 0.5) 55%, rgba(6, 26, 20, 0.2) 100%);
}

.page-news .news-backissues__head {
  max-width: 62ch;
  margin-bottom: clamp(20px, 3.4vw, 32px);
}

.page-news .news-backissues__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(23px, 3.6vw, 32px);
  line-height: 1.26;
  color: var(--white);
}

.page-news .news-backissues__lede {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sand);
}

.page-news .news-backissues__list {
  display: grid;
  gap: clamp(14px, 2.4vw, 22px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-backissues__item {
  padding: clamp(16px, 2.6vw, 24px);
  border: 1px solid var(--line-strong);
  background: rgba(6, 26, 20, 0.55);
}

.page-news .news-backissues__name {
  margin: 0 0 8px;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--white);
}

.page-news .news-backissues__text {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--sage);
}

/* 焦点可见性 */
.page-news a:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 3px;
}

/* 平板与桌面 */
@media (min-width: 700px) {
  .page-news .news-brief {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

  .page-news .news-item--wide {
    grid-template-columns: minmax(0, 42%) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-item--flip .news-figure {
    order: 2;
  }
}

@media (min-width: 900px) {
  .page-news .news-lead {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
  }

  .page-news .news-masthead__inner {
    padding-inline: clamp(24px, 6vw, 80px);
  }
}

@media (min-width: 1000px) {
  .page-news .news-body {
    grid-template-columns: minmax(0, 1fr) minmax(232px, 288px);
    align-items: start;
  }

  .page-news .news-rail {
    position: sticky;
    top: clamp(16px, 2vw, 28px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-tape__link,
  .page-news .news-item__title a,
  .page-news .news-rail__link,
  .page-news .news-brief__link,
  .page-news .news-item__more,
  .page-news .news-series__link {
    transition: none;
  }
}