.page-news {
  --news-rule: rgba(169, 186, 203, 0.20);
  --news-rule-strong: rgba(79, 227, 208, 0.26);
  --news-rule-cream: rgba(36, 28, 23, 0.16);
  --news-shadow: 0 30px 60px -34px rgba(0, 0, 0, 0.9);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(40px, 7vw, 96px) 0 clamp(32px, 5vw, 60px);
  background:
    radial-gradient(120% 130% at 88% -12%, rgba(79, 227, 208, 0.18) 0%, rgba(11, 27, 43, 0) 58%),
    linear-gradient(180deg, var(--ink-800) 0%, var(--ink-900) 100%);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(79, 227, 208, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79, 227, 208, 0.07) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 76%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 76%);
  pointer-events: none;
}

.page-news .news-hero .shell {
  position: relative;
  z-index: 1;
}

.page-news .news-hero__title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(50px, 11vw, 124px);
  line-height: 0.94;
  letter-spacing: -0.02em;
  color: var(--cream-100);
  text-wrap: balance;
}

.page-news .news-hero__lede {
  max-width: 660px;
  margin-top: 24px;
  color: var(--mist-300);
  font-size: clamp(16px, 1.9vw, 19px);
  line-height: 1.8;
}

.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

/* ---------- 置顶观察 ---------- */
.page-news .news-lead {
  background: var(--cream-100);
  color: var(--brown-900);
}

.page-news .news-lead__flag {
  color: rgba(36, 28, 23, 0.55);
}

.page-news .news-lead__title {
  max-width: 940px;
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(29px, 4.6vw, 58px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--brown-900);
  text-wrap: balance;
}

.page-news .news-lead__media {
  margin: clamp(26px, 4vw, 44px) 0 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink-900);
  box-shadow: var(--news-shadow);
}

.page-news .news-lead__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-news .news-lead__media figcaption {
  padding: 12px 20px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist-300);
  background: var(--ink-900);
}

.page-news .news-lead__cols {
  display: grid;
  gap: clamp(20px, 3vw, 46px);
  margin-top: clamp(26px, 3.5vw, 44px);
}

.page-news .news-lead__col p {
  margin: 0 0 18px;
  font-size: 16.5px;
  line-height: 1.85;
  color: rgba(36, 28, 23, 0.86);
}

.page-news .news-lead__col p:last-of-type {
  margin-bottom: 0;
}

.page-news .news-lead__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  padding-bottom: 4px;
  font-size: 15px;
  font-weight: 700;
  color: var(--orange-deep);
  text-decoration: none;
  border-bottom: 2px solid var(--orange-500);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .news-lead__link:hover,
.page-news .news-lead__link:focus-visible {
  color: var(--brown-900);
  border-color: var(--brown-900);
}

/* ---------- 条目流 ---------- */
.page-news .news-stream {
  background:
    radial-gradient(90% 62% at 4% 0%, rgba(79, 227, 208, 0.10) 0%, rgba(11, 27, 43, 0) 62%),
    var(--ink-900);
}

.page-news .news-stream__lede {
  max-width: 640px;
  color: var(--mist-300);
}

.page-news .news-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 8px;
  padding: 0 0 clamp(20px, 3vw, 30px);
  list-style: none;
  border-bottom: 1px solid var(--news-rule-strong);
}

.page-news .news-filter {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 17px;
  border-radius: var(--pill);
  border: 1px solid var(--news-rule-strong);
  background: rgba(79, 227, 208, 0.06);
  color: var(--cyan-200);
  font-size: 13.5px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.page-news .news-filter .mono {
  color: var(--cyan-400);
  font-size: 12.5px;
}

.page-news .news-feed {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: newsitem;
}

.page-news .news-item {
  display: grid;
  gap: 10px 30px;
  padding: clamp(22px, 3vw, 34px) 0;
  border-bottom: 1px solid var(--news-rule);
}

.page-news .news-item__time {
  padding-top: 7px;
  font-size: 12.5px;
  letter-spacing: 0.16em;
  color: var(--mist-300);
}

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

.page-news .news-item__tag {
  display: inline-block;
  margin-bottom: 12px;
  padding: 3px 11px;
  border-radius: var(--pill);
  background: var(--cyan-400);
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
}

.page-news .news-item__title {
  margin: 0 0 9px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 2.3vw, 25px);
  line-height: 1.34;
  color: var(--cream-100);
  transition: color var(--dur) var(--ease);
}

.page-news .news-item__desc {
  max-width: 70ch;
  margin: 0;
  color: var(--mist-300);
  font-size: 15.5px;
  line-height: 1.78;
}

.page-news .news-item__figure {
  max-width: 540px;
  margin: 20px 0 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--ink-800);
  box-shadow: var(--news-shadow);
}

.page-news .news-item__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-news .news-item__figure--wide img {
  aspect-ratio: 12 / 7;
}

.page-news .news-item__link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .news-item__link:hover,
.page-news .news-item__link:focus-visible {
  color: var(--cyan-200);
  border-color: var(--cyan-200);
}

@media (hover: hover) and (pointer: fine) {
  .page-news .news-item__link {
    opacity: 0;
    transform: translateY(5px);
  }
  .page-news .news-item:hover .news-item__link,
  .page-news .news-item:focus-within .news-item__link {
    opacity: 1;
    transform: translateY(0);
  }
  .page-news .news-item:hover .news-item__title {
    color: var(--cyan-200);
  }
}

/* ---------- 专题系列 ---------- */
.page-news .news-series-block {
  background: var(--cream-100);
  color: var(--brown-900);
}

.page-news .news-series__lede {
  max-width: 620px;
  color: rgba(36, 28, 23, 0.72);
}

.page-news .news-series__cover {
  margin: 0 0 clamp(26px, 4vw, 46px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink-900);
  box-shadow: var(--news-shadow);
}

.page-news .news-series__cover img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-news .news-series {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
}

.page-news .series-card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: clamp(24px, 3vw, 38px);
  border-radius: var(--radius-lg);
  background: var(--ink-800);
  color: var(--mist-300);
  text-decoration: none;
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-news .series-card::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(79, 227, 208, 0.20) 0%, rgba(79, 227, 208, 0) 70%);
  pointer-events: none;
}

.page-news .series-card--accent {
  background: linear-gradient(155deg, var(--ink-700) 0%, var(--ink-800) 72%);
  box-shadow: inset 0 0 0 1px var(--news-rule-strong);
}

.page-news .series-card:hover,
.page-news .series-card:focus-visible {
  transform: translateY(-5px);
  background: var(--ink-700);
}

.page-news .series-card__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--cyan-400);
}

.page-news .series-card__title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 2.5vw, 27px);
  line-height: 1.32;
  color: var(--cream-100);
}

.page-news .series-card__desc {
  margin: 13px 0 0;
  font-size: 15px;
  line-height: 1.78;
}

.page-news .series-card__more {
  margin-top: auto;
  padding-top: 24px;
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--cyan-400);
}

/* ---------- 更新节奏 ---------- */
.page-news .news-cadence {
  background: linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 100%);
}

.page-news .news-cadence__panel {
  display: grid;
  gap: 30px;
  padding: clamp(28px, 4vw, 54px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--news-rule-strong);
  background:
    radial-gradient(80% 130% at 100% 0%, rgba(255, 122, 69, 0.14) 0%, rgba(255, 122, 69, 0) 62%),
    var(--ink-900);
  box-shadow: var(--news-shadow);
}

.page-news .news-cadence__lede {
  max-width: 560px;
  color: var(--mist-300);
}

.page-news .news-cadence__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist-300);
}

.page-news .news-cadence__act .btn {
  display: inline-flex;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .news-lead__cols {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .news-item {
    grid-template-columns: 100px minmax(0, 1fr);
  }
}

@media (min-width: 900px) {
  .page-news .news-series {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .page-news .series-card--tall {
    grid-row: span 2;
    min-height: 100%;
  }

  .page-news .news-cadence__panel {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.85fr);
    align-items: center;
  }
}

@media (min-width: 1100px) {
  .page-news .news-item {
    grid-template-columns: 118px minmax(0, 1fr);
  }

  .page-news .news-item--featured .news-item__body {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 440px;
    gap: 0 40px;
    align-items: start;
  }

  .page-news .news-item--featured .news-item__tag,
  .page-news .news-item--featured .news-item__title,
  .page-news .news-item--featured .news-item__desc,
  .page-news .news-item--featured .news-item__link {
    grid-column: 1;
  }

  .page-news .news-item--featured .news-item__figure {
    grid-column: 2;
    grid-row: 1 / span 4;
    margin-top: 0;
    max-width: none;
  }
}

@media (max-width: 480px) {
  .page-news .news-hero__title {
    font-size: clamp(42px, 14vw, 60px);
  }

  .page-news .news-item__figure {
    max-width: 100%;
  }

  .page-news .news-filter {
    padding: 7px 13px;
    font-size: 12.5px;
  }
}
</main>