.page-news {
  --news-edge: clamp(16px, 4vw, 48px);
  --news-gap: clamp(16px, 3vw, 26px);
  --news-hair: rgba(11, 42, 58, 0.12);
  background: var(--snow);
  color: var(--ink);
  font-family: var(--font-sans);
  padding-top: 88px;
  overflow-x: clip;
}

.page-news h1,
.page-news h2,
.page-news h3 {
  font-family: var(--font-sans);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-news .news-crumbs {
  padding: 16px 0 22px;
}

.page-news .news-crumbs .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-news .news-crumbs .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
}

.page-news .news-crumbs .breadcrumbs a:hover,
.page-news .news-crumbs .breadcrumbs a:focus-visible {
  color: var(--neon-ink);
}

.page-news .news-crumbs .breadcrumbs [aria-current="page"] {
  color: var(--ink);
}

.page-news .news-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--neon-ink);
}

.page-news .news-eyebrow--light {
  color: var(--neon);
}

.page-news .index-num {
  display: inline-block;
  padding: 2px 8px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  opacity: 0.9;
}

.page-news .section-head {
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-news .section-head h2 {
  font-size: clamp(1.45rem, 3.6vw, 2.2rem);
  line-height: 1.3;
  margin: 0 0 12px;
  color: var(--ink);
}

.page-news .section-head p {
  max-width: 62ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 头条 ---------- */
.page-news .news-headline {
  position: relative;
  padding: clamp(36px, 6vw, 88px) 0 clamp(44px, 6vw, 96px);
  color: var(--snow);
  background:
    radial-gradient(115% 90% at 88% 6%, rgba(179, 136, 255, 0.55), transparent 62%),
    linear-gradient(158deg, #2a1d4e 0%, #1b2145 52%, #063b44 100%);
  overflow: hidden;
}

.page-news .news-headline::after {
  content: "";
  position: absolute;
  inset: auto -60px -120px auto;
  width: 320px;
  height: 320px;
  border: 1px solid rgba(0, 229, 255, 0.18);
  border-radius: 42% 58% 46% 54% / 56% 44% 56% 44%;
  pointer-events: none;
}

.page-news .news-headline__inner {
  position: relative;
  display: grid;
  gap: clamp(26px, 5vw, 52px);
  align-items: center;
}

.page-news .news-headline h1 {
  margin: 0 0 18px;
  font-size: clamp(1.85rem, 5vw, 3.3rem);
  line-height: 1.22;
  color: var(--snow);
}

@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .page-news .news-headline h1 {
    background: linear-gradient(102deg, #f7fcff 22%, var(--ice) 64%, var(--aurora) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
}

.page-news .news-headline__lede {
  max-width: 54ch;
  margin: 0 0 16px;
  font-size: clamp(15px, 1.9vw, 16.5px);
  line-height: 1.9;
  color: rgba(247, 252, 255, 0.86);
}

.page-news .news-headline__meta {
  margin: 0 0 26px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: rgba(168, 230, 255, 0.85);
}

.page-news .news-headline__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .news-headline__figure {
  margin: 0;
  clip-path: polygon(0 0, 100% 0, 100% 82%, 90% 100%, 0 100%);
  filter: drop-shadow(0 24px 48px rgba(0, 0, 0, 0.38));
}

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

/* ---------- 栏目 ---------- */
.page-news .news-topics {
  padding: clamp(46px, 6vw, 86px) 0;
  background: linear-gradient(180deg, var(--ice-mist) 0%, #eef9ff 100%);
}

.page-news .news-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 clamp(22px, 3vw, 32px);
}

.page-news .news-filter a {
  display: inline-block;
  padding: 8px 16px 7px;
  border: 1px solid rgba(90, 107, 122, 0.34);
  border-bottom: 2px solid rgba(90, 107, 122, 0.34);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  text-decoration: none;
  transition: border-color 280ms var(--ease), color 280ms var(--ease), background-color 280ms var(--ease);
}

.page-news .news-filter a:hover,
.page-news .news-filter a:focus-visible {
  border-bottom-color: var(--neon);
  background: #ffffff;
  color: var(--neon-ink);
}

.page-news .news-topics__list {
  display: grid;
  gap: var(--news-gap);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-topic {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid rgba(168, 230, 255, 0.9);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.88);
}

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

.page-news .news-topic h3 {
  margin: 0;
  font-size: clamp(1.05rem, 2.2vw, 1.2rem);
  line-height: 1.45;
  color: var(--ink);
}

.page-news .news-topic p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .news-topic__meta {
  display: grid;
  gap: 8px;
  margin: 4px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--news-hair);
}

.page-news .news-topic__meta > div {
  display: grid;
  gap: 2px;
}

.page-news .news-topic__meta dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--neon-ink);
}

.page-news .news-topic__meta dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* ---------- 条目流 ---------- */
.page-news .news-stream {
  padding: clamp(48px, 6vw, 94px) 0;
  background: var(--snow);
}

.page-news .news-stream__inner {
  display: grid;
  gap: clamp(30px, 5vw, 48px);
}

.page-news .news-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--news-hair);
}

.page-news .news-item {
  border-bottom: 1px solid var(--news-hair);
}

.page-news .news-item__summary {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 6px 14px;
  padding: 20px 4px;
  cursor: pointer;
  list-style: none;
  transition: transform 320ms var(--ease), background-color 320ms var(--ease);
}

.page-news .news-item__summary::-webkit-details-marker {
  display: none;
}

.page-news .news-item__summary:hover {
  transform: translateY(-2px);
  background: rgba(168, 230, 255, 0.16);
}

.page-news .news-item__summary:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
}

.page-news .news-item__stamp {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 3px 0 0 10px;
  border-left: 2px solid rgba(0, 229, 255, 0.45);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  line-height: 1.5;
  color: var(--neon-ink);
}

.page-news .news-item__head {
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-width: 0;
}

.page-news .news-item__title {
  font-size: clamp(15.5px, 2vw, 17px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink);
}

.page-news .news-item__teaser {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .news-item__tag {
  align-self: flex-start;
  margin-top: 2px;
}

.page-news .news-item__body {
  padding: 2px 4px 24px;
}

.page-news .news-item__body p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--ink-soft);
}

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

.page-news .news-item__body img {
  display: block;
  width: 100%;
  height: auto;
  margin: 4px 0 16px;
  border-radius: var(--radius-sm);
  object-fit: cover;
}

.page-news .news-stream__aside {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-news .news-aside__title {
  margin: 0 0 2px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-news .news-fold {
  padding: 0 18px;
  border: 1px solid rgba(168, 230, 255, 0.95);
  border-radius: var(--radius-md);
  background: linear-gradient(152deg, rgba(168, 230, 255, 0.4), rgba(179, 136, 255, 0.24));
}

.page-news .news-fold[open] {
  background: #ffffff;
  border-color: rgba(179, 136, 255, 0.6);
}

.page-news .news-fold > summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--ink);
}

.page-news .news-fold > summary::-webkit-details-marker {
  display: none;
}

.page-news .news-fold > summary:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
}

.page-news .news-fold > summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--neon-ink);
}

.page-news .news-fold[open] > summary::after {
  content: "−";
}

.page-news .news-fold__body {
  padding: 0 0 16px;
}

.page-news .news-fold__body p {
  margin: 0 0 10px;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--muted);
}

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

/* ---------- 专题系列 ---------- */
.page-news .news-series {
  padding: clamp(46px, 6vw, 90px) 0 clamp(52px, 6vw, 96px);
  color: var(--snow);
  background:
    radial-gradient(90% 130% at 8% 0%, rgba(0, 229, 255, 0.2), transparent 58%),
    linear-gradient(180deg, #063b44 0%, #04262c 78%, #063b44 100%);
  overflow: hidden;
}

.page-news .news-series .section-head h2 {
  color: var(--snow);
}

.page-news .news-series__lede {
  color: rgba(247, 252, 255, 0.78) !important;
}

.page-news .news-series__rail {
  display: flex;
  gap: 16px;
  padding: 6px var(--news-edge) 22px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 229, 255, 0.55) transparent;
}

.page-news .news-series__rail::-webkit-scrollbar {
  height: 6px;
}

.page-news .news-series__rail::-webkit-scrollbar-thumb {
  background: rgba(0, 229, 255, 0.55);
  border-radius: 999px;
}

.page-news .news-series__rail:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: -2px;
}

.page-news .news-chapter {
  flex: 0 0 min(78vw, 288px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  border: 1px solid rgba(0, 229, 255, 0.3);
  border-radius: var(--radius-md);
  background: rgba(247, 252, 255, 0.08);
  transition: transform 320ms var(--ease), border-color 320ms var(--ease);
}

.page-news .news-chapter:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 255, 0.75);
}

.page-news .news-chapter__no {
  font-family: var(--font-mono);
  font-size: 26px;
  letter-spacing: 0.06em;
  line-height: 1;
  color: rgba(0, 229, 255, 0.85);
}

.page-news .news-chapter h3 {
  margin: 0;
  font-size: 16px;
  line-height: 1.5;
  color: var(--snow);
}

.page-news .news-chapter p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(247, 252, 255, 0.74);
}

.page-news .news-chapter__foot {
  margin-top: auto !important;
  padding-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: rgba(179, 136, 255, 0.92) !important;
}

/* ---------- 订阅与索引 ---------- */
.page-news .news-subscribe {
  padding: clamp(50px, 6vw, 96px) 0 clamp(60px, 7vw, 104px);
  background: linear-gradient(180deg, var(--snow) 0%, var(--ice-mist) 100%);
}

.page-news .news-subscribe h2 {
  font-size: clamp(1.4rem, 3.4vw, 2rem);
  line-height: 1.32;
  margin: 0 0 14px;
  color: var(--ink);
}

.page-news .news-subscribe__lede {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink-soft);
}

.page-news .news-subscribe__list {
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-news .news-subscribe__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .news-subscribe__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border: 1px solid var(--neon);
  transform: rotate(45deg);
}

.page-news .news-links {
  display: grid;
  gap: 12px;
  margin: 0 0 26px;
}

.page-news .news-links a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  border: 1px solid rgba(168, 230, 255, 0.95);
  border-radius: var(--radius-md);
  background: #ffffff;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
  text-decoration: none;
  transition: transform 320ms var(--ease), box-shadow 320ms var(--ease), border-color 320ms var(--ease);
}

.page-news .news-links a:hover,
.page-news .news-links a:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(0, 229, 255, 0.9);
  box-shadow: 0 16px 32px -22px rgba(6, 59, 68, 0.75);
}

.page-news .news-links span {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 400;
  letter-spacing: 0.04em;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .news-subscribe__contact {
  margin: 0 0 12px;
  padding-top: 18px;
  border-top: 1px solid rgba(11, 42, 58, 0.14);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  line-height: 1.9;
  color: var(--muted);
}

.page-news .news-subscribe__more {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-news .news-subscribe__more a {
  color: var(--neon-ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (min-width: 620px) {
  .page-news .news-topic__meta > div {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 12px;
    align-items: baseline;
  }

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

@media (min-width: 780px) {
  .page-news .news-topics__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-item__summary {
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 8px 22px;
    padding: 22px 6px;
  }
}

@media (min-width: 900px) {
  .page-news .news-headline {
    padding-top: clamp(48px, 6vw, 92px);
  }

  .page-news .news-headline__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  }

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

@media (min-width: 980px) {
  .page-news .news-stream__inner {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-stream__aside {
    position: sticky;
    top: 118px;
  }

  .page-news .news-series__rail {
    padding-inline: max(var(--news-edge), calc((100% - 1200px) / 2));
  }

  .page-news .news-chapter {
    flex-basis: 300px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item__summary,
  .page-news .news-chapter,
  .page-news .news-links a,
  .page-news .news-filter a {
    transition: none;
  }

  .page-news .news-item__summary:hover,
  .page-news .news-chapter:hover,
  .page-news .news-links a:hover {
    transform: none;
  }
}