.page-news {
  --news-gap: clamp(38px, 6vw, 78px);
  --news-rule: rgba(147, 167, 157, .16);
  --news-surface: rgba(15, 44, 39, .50);
  --news-surface-2: rgba(10, 23, 41, .72);
}

.page-news .section + .section {
  margin-top: var(--news-gap);
}

.page-news .news-hero-section {
  padding-top: clamp(16px, 3vw, 32px);
}

/* ---------- 首屏框景 ---------- */
.page-news .news-hero {
  position: relative;
  margin-top: clamp(14px, 2.4vw, 26px);
  padding: clamp(26px, 4.2vw, 52px) clamp(20px, 3.6vw, 48px);
  border: 1px solid var(--line);
  border-radius: var(--r-panel);
  background-color: var(--c-night);
  background-image:
    linear-gradient(180deg, rgba(10, 23, 41, .94) 0%, rgba(15, 44, 39, .82) 100%),
    repeating-linear-gradient(90deg, transparent 0 47px, rgba(147, 167, 157, .07) 47px 48px),
    repeating-linear-gradient(0deg, transparent 0 47px, rgba(147, 167, 157, .07) 47px 48px);
  overflow: hidden;
}

.page-news .news-hero::before,
.page-news .news-hero::after {
  content: "";
  position: absolute;
  width: 44px;
  height: 44px;
  pointer-events: none;
}

.page-news .news-hero::before {
  top: 12px;
  left: 12px;
  border-top: 1px solid rgba(43, 240, 208, .55);
  border-left: 1px solid rgba(43, 240, 208, .55);
  border-top-left-radius: 16px;
}

.page-news .news-hero::after {
  right: 12px;
  bottom: 12px;
  border-right: 1px solid rgba(242, 178, 51, .50);
  border-bottom: 1px solid rgba(242, 178, 51, .50);
  border-bottom-right-radius: 16px;
}

.page-news .news-hero__kicker {
  margin: 0 0 14px;
  font-size: var(--fs-note);
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-news .news-hero__title {
  margin: 0;
  max-width: 20em;
  font-family: var(--font-display);
  font-size: clamp(28px, 4.6vw, 50px);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: .01em;
  color: var(--c-cream);
}

.page-news .news-hero__lede {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 60ch;
  color: rgba(245, 242, 234, .82);
  font-size: var(--fs-body);
  line-height: 1.75;
}

.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  margin-top: clamp(18px, 2.6vw, 26px);
}

.page-news .news-hero__stamp {
  font-size: var(--fs-note);
  color: var(--c-annot);
  letter-spacing: .04em;
}

.page-news .news-hero__stamp time {
  color: var(--c-amber);
  margin-left: 6px;
}

/* ---------- 胶囊标签带 ---------- */
.page-news .news-tabs {
  display: flex;
  gap: 10px;
  margin-top: clamp(22px, 3vw, 34px);
  padding-bottom: 6px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.page-news .news-tabs::-webkit-scrollbar {
  display: none;
}

.page-news .news-tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  padding: 9px 18px;
  border: 1px solid var(--line-rock);
  border-radius: var(--r-pill);
  background: rgba(43, 58, 62, .28);
  color: var(--c-annot);
  font-size: var(--fs-aux);
  letter-spacing: .04em;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--t), color var(--t), background-color var(--t);
}

.page-news .news-tab:hover {
  border-color: var(--c-amber);
  color: var(--c-cream);
}

.page-news .news-tab.is-active {
  border-color: var(--c-cyan);
  background: rgba(43, 240, 208, .09);
  color: var(--c-cyan);
}

/* ---------- 最近更新：横向数据带 ---------- */
.page-news .news-recent__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: clamp(16px, 2.4vw, 24px);
}

.page-news .news-recent__head .section-title {
  margin: 0;
}

.page-news .news-rail {
  display: flex;
  gap: 14px;
  padding-bottom: 14px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x proximity;
  scrollbar-width: none;
}

.page-news .news-rail::-webkit-scrollbar {
  display: none;
}

.page-news .rail-card {
  flex: 0 0 min(268px, 76vw);
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: var(--news-surface);
  text-decoration: none;
  scroll-snap-align: start;
  transition: border-color var(--t), background-color var(--t), transform var(--t);
}

.page-news .rail-card:hover,
.page-news .rail-card:focus-visible {
  border-color: var(--c-cyan);
  background: rgba(43, 240, 208, .07);
  transform: translateY(-2px);
}

.page-news .rail-card .tag {
  align-self: flex-start;
}

.page-news .rail-card__time {
  font-size: var(--fs-note);
  color: var(--c-annot);
  letter-spacing: .06em;
}

.page-news .rail-card__text {
  font-size: 15px;
  line-height: 1.65;
  color: var(--c-cream);
}

/* ---------- 分组 ---------- */
.page-news .news-group {
  margin-top: var(--news-gap);
  border-radius: var(--r-panel);
}

.page-news .news-group:first-of-type {
  margin-top: 0;
}

.page-news .news-group__summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0 14px;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  list-style: none;
  transition: border-color var(--t);
}

.page-news .news-group__summary::-webkit-details-marker,
.page-news .news-group__summary::marker {
  display: none;
  content: "";
}

.page-news .news-group__summary:hover {
  border-bottom-color: rgba(242, 178, 51, .55);
}

.page-news .news-group__index {
  font-size: var(--fs-aux);
  letter-spacing: .14em;
  color: var(--c-clay);
}

.page-news .news-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 3vw, 26px);
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--c-cream);
}

.page-news .news-group__count {
  margin-left: auto;
  font-size: var(--fs-note);
  letter-spacing: .08em;
  color: var(--c-annot);
}

.page-news .news-group__chev {
  position: relative;
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  border: 1px solid var(--line-rock);
  border-radius: 50%;
  transition: border-color var(--t);
}

.page-news .news-group__summary:hover .news-group__chev {
  border-color: var(--c-amber);
}

.page-news .news-group__chev::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 7px;
  height: 7px;
  border-right: 1.5px solid var(--c-annot);
  border-bottom: 1.5px solid var(--c-annot);
  transform: translate(-50%, -70%) rotate(45deg);
  transition: transform var(--t);
}

.page-news .news-group[open] .news-group__chev::before {
  transform: translate(-50%, -30%) rotate(-135deg);
}

.page-news .news-group__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.2vw, 40px);
  padding-top: clamp(18px, 2.6vw, 30px);
}

@media (min-width: 960px) {
  .page-news .news-group__body--split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

/* ---------- 条目列表 ---------- */
.page-news .news-list {
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 18px 0;
  border-top: 1px solid var(--news-rule);
  transition: background-color var(--t);
}

.page-news .news-list > .news-item:first-child {
  border-top: 0;
  padding-top: 0;
}

@media (min-width: 720px) {
  .page-news .news-item {
    grid-template-columns: 128px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }
}

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

@media (min-width: 720px) {
  .page-news .news-item__side {
    flex-direction: column;
    align-items: flex-start;
    gap: 9px;
  }
}

.page-news .news-item__time {
  font-size: var(--fs-note);
  letter-spacing: .05em;
  color: var(--c-annot);
}

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

.page-news .news-item__title {
  position: relative;
  margin: 0 0 7px;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--c-cream);
}

.page-news .news-item--key .news-item__title {
  padding-left: 14px;
}

.page-news .news-item--key .news-item__title::before {
  content: "";
  position: absolute;
  top: .28em;
  left: 0;
  width: 3px;
  height: 1.05em;
  border-radius: 2px;
  background: var(--c-amber);
}

.page-news .news-item__excerpt {
  margin: 0;
  color: var(--c-annot);
  font-size: 15px;
  line-height: 1.72;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  transition: color var(--t);
}

.page-news .news-item:hover .news-item__excerpt,
.page-news .news-item:focus-within .news-item__excerpt {
  -webkit-line-clamp: 8;
  color: rgba(245, 242, 234, .82);
}

@media (min-width: 900px) {
  .page-news .news-list--cols {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 clamp(24px, 3vw, 44px);
  }

  .page-news .news-list--cols > .news-item:first-child {
    border-top: 1px solid var(--news-rule);
    padding-top: 18px;
  }
}

/* ---------- 配图 ---------- */
.page-news .news-group__aside {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

.page-news .news-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: var(--c-night);
  overflow: hidden;
}

.page-news .news-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-news .news-figure__cap {
  padding: 12px 16px 14px;
  font-size: var(--fs-note);
  line-height: 1.6;
  color: var(--c-annot);
  border-top: 1px solid var(--news-rule);
}

/* ---------- 节奏面板 ---------- */
.page-news .news-pace__panel {
  padding: clamp(22px, 3.4vw, 40px);
}

.page-news .news-pace__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.4vw, 24px);
  margin-top: clamp(16px, 2.6vw, 28px);
}

@media (min-width: 760px) {
  .page-news .news-pace__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 1100px) {
  .page-news .news-pace__grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-news .pace-card--wide {
    grid-column: span 3;
  }

  .page-news .pace-card:not(.pace-card--wide) {
    grid-column: span 1;
  }

  .page-news .pace-card:nth-of-type(2),
  .page-news .pace-card:nth-of-type(3),
  .page-news .pace-card:nth-of-type(4) {
    grid-column: span 1;
  }
}

.page-news .pace-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding: 20px 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: rgba(10, 23, 41, .55);
  transition: border-color var(--t), background-color var(--t);
}

.page-news .pace-card:hover {
  border-color: rgba(43, 240, 208, .45);
  background: rgba(43, 240, 208, .05);
}

.page-news .pace-card--wide {
  background: linear-gradient(135deg, rgba(122, 92, 255, .16) 0%, rgba(10, 23, 41, .55) 62%);
}

.page-news .pace-card__num {
  font-size: var(--fs-note);
  letter-spacing: .16em;
  color: var(--c-amber);
}

.page-news .pace-card__title {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--c-cream);
}

.page-news .pace-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--c-annot);
}

.page-news .pace-card .btn {
  margin-top: 4px;
}

/* ---------- 回到顶部 ---------- */
.page-news .news-top {
  position: fixed;
  right: clamp(14px, 2.6vw, 30px);
  bottom: clamp(14px, 2.6vw, 30px);
  z-index: 20;
  display: inline-flex;
  align-items: center;
  padding: 10px 17px;
  border: 1px solid rgba(43, 240, 208, .38);
  border-radius: var(--r-pill);
  background: rgba(10, 23, 41, .92);
  color: var(--c-cyan);
  font-size: var(--fs-note);
  letter-spacing: .08em;
  text-decoration: none;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  transition: border-color var(--t), color var(--t), background-color var(--t);
}

.page-news .news-top:hover {
  border-color: var(--c-amber);
  color: var(--c-amber);
  background: rgba(15, 44, 39, .95);
}

@keyframes news-top-reveal {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@supports (animation-timeline: scroll()) {
  .page-news .news-top {
    animation: news-top-reveal linear both;
    animation-timeline: scroll(root);
    animation-range: 180px 460px;
  }
}

/* ---------- 窄屏修正 ---------- */
@media (max-width: 480px) {
  .page-news .news-hero {
    padding: 24px 18px 26px;
  }

  .page-news .news-hero__title {
    font-size: 26px;
  }

  .page-news .news-item__title {
    font-size: 16px;
  }

  .page-news .news-group__count {
    display: none;
  }

  .page-news .news-top {
    padding: 9px 14px;
  }
}