/* ================= 案例与动态 · 页面专属样式 ================= */

.page-news {
  --news-axis: rgba(240, 212, 138, 0.24);
  --news-gold-soft: rgba(217, 169, 60, 0.14);
  --news-aurora-soft: rgba(124, 90, 224, 0.16);
  --news-ice-soft: rgba(168, 196, 232, 0.14);
  --news-radius: 18px;
  --news-frame-radius: 24px;
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumb__sep {
  margin: 0 8px;
  opacity: 0.5;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--header-h) + clamp(20px, 4vw, 48px));
  padding-bottom: clamp(60px, 7.5vw, 104px);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: -18%;
  right: -12%;
  width: min(760px, 78%);
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle at 50% 50%, rgba(124, 90, 224, 0.22), transparent 62%);
  pointer-events: none;
}

.page-news .news-hero__frame {
  position: relative;
  z-index: 1;
  margin-top: clamp(20px, 3vw, 34px);
  padding: clamp(22px, 3.4vw, 46px);
  border: 1px solid var(--hairline-dark);
  border-radius: var(--news-frame-radius);
  background:
    radial-gradient(120% 140% at 88% 0%, rgba(124, 90, 224, 0.18), transparent 58%),
    radial-gradient(90% 120% at 4% 100%, rgba(217, 169, 60, 0.12), transparent 60%),
    linear-gradient(180deg, rgba(19, 32, 63, 0.72), rgba(10, 16, 38, 0.42));
}

.page-news .news-hero__frame::before,
.page-news .news-hero__frame::after {
  content: "";
  position: absolute;
  width: 46px;
  height: 2px;
  background: var(--crest-gold);
}

.page-news .news-hero__frame::before {
  top: -1px;
  left: clamp(22px, 3.4vw, 46px);
}

.page-news .news-hero__frame::after {
  bottom: -1px;
  right: clamp(22px, 3.4vw, 46px);
}

.page-news .news-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-news .news-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(2.05rem, 5.2vw, 3.6rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.12;
  color: var(--on-dark);
}

.page-news .news-hero__lede {
  margin: 20px 0 0;
  max-width: 34em;
  font-size: clamp(1rem, 1.3vw, 1.1rem);
  line-height: 1.92;
  color: var(--on-dark-muted);
}

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

.page-news .news-hero__media {
  border-radius: var(--news-radius);
  overflow: hidden;
  border: 1px solid var(--hairline-dark);
  background: rgba(19, 32, 63, 0.6);
}

.page-news .news-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ---------- 本期导读 ---------- */
.page-news .news-brief {
  list-style: none;
  margin: clamp(34px, 5vw, 56px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--hairline-dark);
}

.page-news .news-brief__item {
  padding: 24px 0 0;
}

.page-news .news-brief__no {
  display: block;
  font-family: var(--font-num);
  font-size: 0.74rem;
  font-weight: 200;
  letter-spacing: 0.2em;
  color: var(--crest-gold);
}

.page-news .news-brief__title {
  margin: 10px 0 0;
  font-size: clamp(1.04rem, 1.5vw, 1.22rem);
  font-weight: 700;
  line-height: 1.5;
  color: var(--on-dark);
}

.page-news .news-brief__text {
  margin: 10px 0 0;
  font-size: 0.94rem;
  line-height: 1.86;
  color: var(--on-dark-muted);
}

.page-news .news-brief__go {
  display: inline-block;
  margin-top: 14px;
  font-size: 0.88rem;
}

/* ---------- 分类标签 ---------- */
.page-news .news-topics {
  position: relative;
  overflow: hidden;
}

.page-news .news-lede {
  margin: 16px 0 0;
  max-width: 48em;
  font-size: 1rem;
  line-height: 1.9;
}

.page-news .surface-night .news-lede,
.page-news .surface-cloud .news-lede {
  color: var(--on-dark-muted);
}

.page-news .surface-paper .news-lede,
.page-news .surface-ice .news-lede {
  color: var(--on-light-muted);
}

.page-news .chip-row {
  display: flex;
  gap: 10px;
  margin-top: clamp(24px, 3.6vw, 40px);
  padding-bottom: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-news .chip-row::-webkit-scrollbar {
  height: 4px;
}

.page-news .chip-row::-webkit-scrollbar-thumb {
  background: var(--news-axis);
  border-radius: 2px;
}

.page-news .chip {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 20px;
  border-radius: 999px;
  border: 1px solid var(--hairline-dark);
  background: rgba(19, 32, 63, 0.62);
  text-decoration: none;
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-news .chip:hover,
.page-news .chip.is-active,
.page-news .chip[aria-current] {
  transform: translateY(-2px);
}

.page-news .chip__name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--on-dark);
  white-space: nowrap;
}

.page-news .chip__freq {
  font-family: var(--font-num);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--mist-blue);
  white-space: nowrap;
}

.page-news .chip--gold {
  border-color: rgba(217, 169, 60, 0.4);
}

.page-news .chip--gold:hover,
.page-news .chip--gold.is-active,
.page-news .chip--gold[aria-current] {
  background: var(--news-gold-soft);
  border-color: var(--crest-gold);
}

.page-news .chip--aurora {
  border-color: rgba(124, 90, 224, 0.45);
}

.page-news .chip--aurora:hover,
.page-news .chip--aurora.is-active,
.page-news .chip--aurora[aria-current] {
  background: var(--news-aurora-soft);
  border-color: var(--aurora-purple);
}

.page-news .chip--ice {
  border-color: rgba(168, 196, 232, 0.42);
}

.page-news .chip--ice:hover,
.page-news .chip--ice.is-active,
.page-news .chip--ice[aria-current] {
  background: var(--news-ice-soft);
  border-color: var(--ice-blue);
}

.page-news .topic-notes {
  display: grid;
  gap: clamp(22px, 3vw, 30px);
  margin-top: clamp(30px, 4.4vw, 50px);
}

.page-news .topic-note {
  padding-top: 22px;
  border-top: 2px solid var(--news-axis);
}

.page-news .topic-note--gold {
  border-top-color: var(--crest-gold);
}

.page-news .topic-note--aurora {
  border-top-color: var(--aurora-purple);
}

.page-news .topic-note--ice {
  border-top-color: var(--ice-blue);
}

.page-news .topic-note h3 {
  margin: 0;
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--on-dark);
}

.page-news .topic-note p {
  margin: 10px 0 0;
  font-size: 0.92rem;
  line-height: 1.86;
  color: var(--on-dark-muted);
}

/* ---------- 持续更新的条目列表 ---------- */
.page-news .news-stream {
  position: relative;
}

.page-news .timeline {
  position: relative;
  margin-top: clamp(36px, 5vw, 62px);
  padding-left: 26px;
}

.page-news .timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 14px;
  bottom: 26px;
  width: 1px;
  background: linear-gradient(180deg, var(--crest-gold), var(--aurora-purple) 52%, var(--ice-blue));
  opacity: 0.5;
}

.page-news .timeline__group {
  position: relative;
  padding-bottom: clamp(46px, 6vw, 86px);
  scroll-margin-top: calc(var(--header-h-slim) + 28px);
}

.page-news .timeline__group:last-child {
  padding-bottom: 0;
}

.page-news .timeline__group::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 8px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--crest-gold);
  box-shadow: 0 0 0 4px rgba(217, 169, 60, 0.14);
}

.page-news .timeline__group:nth-child(2)::before {
  background: var(--aurora-purple);
  box-shadow: 0 0 0 4px rgba(124, 90, 224, 0.16);
}

.page-news .timeline__group:nth-child(3)::before {
  background: var(--ice-blue);
  box-shadow: 0 0 0 4px rgba(168, 196, 232, 0.14);
}

.page-news .timeline__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 clamp(18px, 2.6vw, 28px);
}

.page-news .timeline__count {
  font-family: var(--font-num);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--mist-blue);
}

.page-news .entry {
  padding-top: clamp(18px, 2.4vw, 26px);
  border-top: 1px solid var(--hairline-dark);
}

.page-news .entry + .entry {
  margin-top: clamp(22px, 3vw, 34px);
}

.page-news .entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin: 0;
}

.page-news .entry__when {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--pale-gold);
}

.page-news .entry__code {
  font-family: var(--font-num);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--mist-blue);
  padding: 2px 9px;
  border: 1px solid var(--hairline-dark);
  border-radius: 999px;
}

.page-news .entry__title {
  margin: 10px 0 0;
  font-size: clamp(1.1rem, 1.9vw, 1.42rem);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.005em;
  color: var(--on-dark);
}

.page-news .entry__body {
  display: grid;
  gap: clamp(18px, 2.6vw, 30px);
  margin-top: 12px;
}

.page-news .entry__text {
  margin-top: 12px;
  font-size: 0.96rem;
  line-height: 1.9;
  color: var(--on-dark-muted);
}

.page-news .entry__body .entry__text {
  margin-top: 0;
}

.page-news .entry__text p {
  margin: 0;
}

.page-news .entry__text p + p {
  margin-top: 12px;
}

.page-news .entry__figure {
  border-radius: var(--news-radius);
  overflow: hidden;
  border: 1px solid var(--hairline-dark);
  background: rgba(19, 32, 63, 0.6);
}

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

.page-news .stream-foot {
  max-width: 52em;
  margin: clamp(36px, 5vw, 58px) 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--hairline-dark);
  font-size: 0.96rem;
  line-height: 1.9;
  color: var(--on-dark-muted);
}

/* ---------- 专题系列 ---------- */
.page-news .news-series {
  position: relative;
  overflow: hidden;
}

.page-news .series-track {
  display: flex;
  gap: clamp(20px, 3vw, 38px);
  margin-top: clamp(30px, 4.4vw, 48px);
  padding-bottom: 16px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-news .series-track::-webkit-scrollbar {
  height: 4px;
}

.page-news .series-track::-webkit-scrollbar-thumb {
  background: rgba(10, 16, 38, 0.18);
  border-radius: 2px;
}

.page-news .series-track:focus-visible {
  outline: 2px solid var(--ink-gold);
  outline-offset: 6px;
  border-radius: 6px;
}

.page-news .series-card {
  flex: 0 0 min(78vw, 320px);
  scroll-snap-align: start;
  padding: 24px 0 0;
  border-top: 3px solid var(--crest-gold);
  transition: transform 0.3s var(--ease);
}

.page-news .series-card:hover {
  transform: translateY(-6px);
}

.page-news .series-card:nth-child(2) {
  border-top-color: var(--aurora-purple);
}

.page-news .series-card:nth-child(3) {
  border-top-color: var(--ice-blue);
}

.page-news .series-card:nth-child(4) {
  border-top-color: var(--ink-gold);
}

.page-news .series-card:nth-child(5) {
  border-top-color: var(--night-purple);
}

.page-news .series-card__no {
  display: block;
  font-family: var(--font-num);
  font-size: 0.76rem;
  font-weight: 200;
  letter-spacing: 0.22em;
  color: var(--ink-gold);
}

.page-news .series-card h3 {
  margin: 12px 0 0;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--on-light);
}

.page-news .series-card p {
  margin: 12px 0 0;
  font-size: 0.93rem;
  line-height: 1.88;
  color: var(--on-light-muted);
}

.page-news .series-foot {
  margin: clamp(26px, 3.6vw, 40px) 0 0;
  font-size: 0.96rem;
}

/* ---------- 更新节奏 ---------- */
.page-news .news-cadence__grid {
  display: grid;
  gap: clamp(30px, 4vw, 56px);
}

.page-news .news-cadence h2 {
  margin-top: 12px;
}

.page-news .cadence-list {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
}

.page-news .cadence-list li {
  display: grid;
  gap: 4px;
  padding: 18px 0;
  border-bottom: 1px solid var(--hairline-light);
}

.page-news .cadence-list li:first-child {
  border-top: 1px solid var(--hairline-light);
}

.page-news .cadence-list__num {
  font-family: var(--font-num);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  color: var(--ink-gold);
}

.page-news .cadence-list__txt {
  font-size: 0.96rem;
  line-height: 1.72;
  color: var(--on-light);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .topic-notes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-news .news-brief {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .news-brief__item {
    padding: 26px 28px 0;
    border-left: 1px solid var(--hairline-dark);
  }

  .page-news .news-brief__item:first-child {
    border-left: 0;
    padding-left: 0;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }

  .page-news .news-hero__cta {
    margin-top: 34px;
  }
}

@media (min-width: 920px) {
  .page-news .news-cadence__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (min-width: 820px) {
  .page-news .entry--media .entry__body {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-news .topic-notes {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .series-card {
    flex-basis: min(30vw, 330px);
  }
}

@media (max-width: 560px) {
  .page-news .timeline {
    padding-left: 20px;
  }

  .page-news .timeline::before {
    left: 4px;
  }

  .page-news .timeline__group::before {
    left: -20px;
    width: 9px;
    height: 9px;
  }

  .page-news .news-hero__frame {
    padding: 20px 18px 24px;
  }

  .page-news .chip {
    padding: 11px 16px;
  }

  .page-news .series-card {
    flex-basis: 82vw;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .chip,
  .page-news .series-card {
    transition: none;
  }

  .page-news .chip:hover,
  .page-news .chip.is-active,
  .page-news .chip[aria-current],
  .page-news .series-card:hover {
    transform: none;
  }
}