.page-news {
  --n-hair: var(--line-1);
  --n-cyan: var(--c-cyan);
  --n-step: clamp(28px, 4.4vw, 56px);
  padding-bottom: clamp(40px, 6vw, 88px);
  background-image:
    linear-gradient(to right, rgba(169, 199, 217, .05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(169, 199, 217, .035) 1px, transparent 1px);
  background-size: 72px 72px, 72px 72px;
}

.page-news .breadcrumb {
  padding-inline: 0;
  padding-top: clamp(14px, 2.6vw, 26px);
  margin-bottom: clamp(12px, 2vw, 20px);
}

/* ---------- 首屏 ---------- */
.page-news .report-hero {
  padding: clamp(6px, 1.6vw, 16px) 0 clamp(26px, 4vw, 46px);
}

.page-news .report-hero-inner {
  display: grid;
  gap: clamp(22px, 3.2vw, 44px);
  align-items: center;
}

.page-news .report-hero-text > .eyebrow {
  color: var(--n-cyan);
  letter-spacing: .16em;
}

.page-news h1 {
  margin: .3em 0 .42em;
  font-size: clamp(30px, 5.2vw, 58px);
  line-height: 1.1;
  letter-spacing: -.02em;
  max-width: 15em;
}

.page-news h1 em {
  font-style: italic;
  color: var(--c-red);
}

.page-news .report-hero-lead {
  margin: 0;
  max-width: 34em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--c-pale);
}

.page-news .hero-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(96px, 1fr));
  gap: 10px 14px;
  margin-top: clamp(20px, 2.6vw, 28px);
  padding-top: 14px;
  border-top: 1px solid var(--line-2);
}

.page-news .hero-metric strong {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(17px, 2.2vw, 25px);
  font-weight: 500;
  color: var(--c-mist);
  letter-spacing: -.01em;
}

.page-news .hero-metric span {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-steel);
}

.page-news .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 2.6vw, 28px);
}

.page-news .report-hero-figure {
  margin: 0;
  aspect-ratio: 7 / 4;
  border: 1px solid var(--line-2);
  background: var(--c-midnight);
}

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

/* ---------- 本期专题 ---------- */
.page-news .spotlight {
  padding-bottom: clamp(30px, 4.6vw, 56px);
}

.page-news .spotlight-card {
  position: relative;
  padding: clamp(20px, 3.2vw, 40px);
  border: 1px solid var(--line-2);
  border-left: 3px solid var(--c-red);
  background:
    linear-gradient(135deg, rgba(229, 50, 45, .11), rgba(7, 16, 31, 0) 48%),
    linear-gradient(180deg, rgba(11, 27, 51, .96), rgba(7, 16, 31, .99));
}

.page-news .spotlight-card::after {
  content: "";
  position: absolute;
  top: 10px;
  right: 10px;
  width: 54px;
  height: 54px;
  border-top: 1px solid var(--line-3);
  border-right: 1px solid var(--line-3);
  pointer-events: none;
}

.page-news .spotlight-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.page-news .spotlight-meta .mono {
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--c-steel);
}

.page-news .spotlight-card h2 {
  margin: 14px 0 10px;
  font-size: clamp(21px, 3.4vw, 34px);
  line-height: 1.24;
  letter-spacing: -.01em;
  max-width: 22em;
}

.page-news .spotlight-lead {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-pale);
}

.page-news .spotlight-more {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--line-2);
}

.page-news .spotlight-more summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--n-cyan);
  list-style: none;
}

.page-news .spotlight-more summary::-webkit-details-marker {
  display: none;
}

.page-news .spotlight-more summary::before {
  content: "+";
  font-size: 14px;
  line-height: 1;
}

.page-news .spotlight-more[open] summary::before {
  content: "−";
}

.page-news .spotlight-more p {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-pale);
}

.page-news .spotlight-more ul {
  margin: 10px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-pale);
}

.page-news .spotlight-more li::marker {
  color: var(--n-cyan);
}

.page-news .spotlight-link {
  display: inline-block;
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--c-mist);
  text-decoration: none;
  border-bottom: 1px solid var(--n-cyan);
  padding-bottom: 3px;
}

.page-news .spotlight-link:hover,
.page-news .spotlight-link:focus-visible {
  color: var(--n-cyan);
}

/* ---------- 双栏主体 ---------- */
.page-news .reports-grid {
  display: grid;
  gap: clamp(26px, 3.4vw, 48px);
}

.page-news .aside-sticky {
  display: grid;
  gap: 20px;
}

.page-news .cat-index {
  display: grid;
  gap: 2px;
  border-top: 1px solid var(--line-2);
}

.page-news .cat-link {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 6px 11px 12px;
  border-bottom: 1px solid var(--line-1);
  border-left: 1px solid transparent;
  color: var(--c-pale);
  text-decoration: none;
  font-size: 14px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-news .cat-link:hover,
.page-news .cat-link:focus-visible {
  color: var(--c-mist);
  border-left-color: var(--n-cyan);
  background: rgba(56, 242, 208, .07);
}

.page-news .cat-count {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--c-steel);
}

.page-news .rhythm-card {
  padding: 14px 16px 16px;
  border: 1px solid var(--line-2);
  background: rgba(11, 27, 51, .72);
}

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

.page-news .rhythm-list li {
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-pale);
  padding-top: 10px;
  border-top: 1px solid var(--line-1);
}

.page-news .rhythm-list li:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-news .rhythm-list .mono {
  display: block;
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--n-cyan);
  margin-bottom: 3px;
}

/* ---------- 报告流 ---------- */
.page-news .feed-section {
  margin-top: var(--n-step);
  scroll-margin-top: 96px;
}

.page-news .feed-section:first-child {
  margin-top: 0;
}

.page-news .feed-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  margin-bottom: clamp(10px, 1.8vw, 16px);
}

.page-news .feed-num {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--n-cyan);
  border: 1px solid var(--line-3);
  padding: 4px 7px;
  line-height: 1.2;
}

.page-news .feed-title {
  margin: 0 0 6px;
  font-size: clamp(20px, 2.6vw, 28px);
  letter-spacing: -.01em;
  line-height: 1.25;
}

.page-news .feed-lead {
  margin: 0;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--c-steel);
}

.page-news .feed-list {
  display: grid;
}

.page-news .report-item {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 10px;
  padding: clamp(14px, 2vw, 20px) 0;
  border-bottom: 1px solid var(--line-1);
  transition: background var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-news .report-item:hover {
  background: linear-gradient(90deg, rgba(56, 242, 208, .07), rgba(56, 242, 208, 0) 72%);
}

.page-news .item-index {
  padding-top: 4px;
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--c-steel);
  transition: color var(--dur) var(--ease);
}

.page-news .report-item:hover .item-index {
  color: var(--n-cyan);
}

.page-news .item-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  margin-bottom: 8px;
}

.page-news .item-time {
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--c-steel);
}

.page-news .report-item h3 {
  margin: 0 0 6px;
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.45;
  letter-spacing: -.005em;
}

.page-news .item-body p {
  margin: 0;
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--c-pale);
}

.page-news .item-foot {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--c-steel);
  opacity: .5;
  transition: opacity var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .report-item:hover .item-foot {
  opacity: 1;
  color: var(--n-cyan);
}

.page-news .feed-figure {
  margin: clamp(16px, 2.4vw, 24px) 0;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--line-2);
  background: var(--c-midnight);
}

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

/* ---------- 版本分段切换 ---------- */
.page-news .version-tabs {
  margin-top: clamp(6px, 1.4vw, 12px);
}

.page-news .version-tabs .tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-2);
}

.page-news .version-tabs .tab {
  appearance: none;
  border: 1px solid var(--line-2);
  background: transparent;
  color: var(--c-pale);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  padding: 8px 14px;
  cursor: pointer;
  border-radius: 0;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-news .version-tabs .tab:hover {
  border-color: var(--n-cyan);
  color: var(--c-mist);
}

.page-news .version-tabs .tab[aria-selected="true"] {
  background: var(--n-cyan);
  border-color: var(--n-cyan);
  color: var(--c-midnight);
}

.page-news .version-tabs .tab:focus-visible {
  outline: 2px solid var(--n-cyan);
  outline-offset: 2px;
}

.page-news .version-tabs .tabpanel {
  padding-top: 4px;
}

.page-news .version-tabs .tabpanel:focus-visible {
  outline: 1px solid var(--n-cyan);
  outline-offset: 4px;
}

.page-news .version-tabs .tabpanel .report-item:first-child {
  border-top: 1px solid var(--line-1);
}

/* ---------- 数据方法流程 ---------- */
.page-news .method-flow {
  list-style: none;
  margin: clamp(14px, 2vw, 20px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .method-step {
  position: relative;
  padding: 16px 16px 18px;
  border: 1px solid var(--line-2);
  background: rgba(11, 27, 51, .68);
}

.page-news .method-step::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 10px;
  height: 10px;
  border-top: 1px solid var(--c-green);
  border-left: 1px solid var(--c-green);
}

.page-news .method-step .step-num {
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--c-green);
}

.page-news .method-step strong {
  display: block;
  margin: 8px 0 6px;
  font-size: 15px;
  letter-spacing: .01em;
}

.page-news .method-step p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--c-steel);
}

/* ---------- 更新节奏与合作 ---------- */
.page-news .rhythm-band {
  padding: clamp(20px, 3.2vw, 40px);
  border: 1px solid var(--line-2);
  background:
    linear-gradient(118deg, rgba(229, 50, 45, .16), rgba(7, 16, 31, 0) 62%),
    var(--c-midnight);
}

.page-news .rhythm-inner {
  display: grid;
  gap: clamp(20px, 2.8vw, 30px);
}

.page-news .rhythm-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .rhythm-facts li {
  display: grid;
  gap: 2px;
  padding-top: 11px;
  border-top: 1px solid var(--line-1);
}

.page-news .rhythm-facts li:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-news .rhythm-facts strong {
  font-family: var(--font-mono);
  font-size: clamp(16px, 2vw, 21px);
  font-weight: 500;
  color: var(--c-mist);
  letter-spacing: -.01em;
}

.page-news .rhythm-facts span {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-pale);
}

.page-news .rhythm-note {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.76;
  color: var(--c-steel);
}

.page-news .rhythm-note a {
  color: var(--n-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 242, 208, .45);
}

.page-news .rhythm-note a:hover,
.page-news .rhythm-note a:focus-visible {
  border-bottom-color: var(--n-cyan);
}

.page-news .coop-card {
  padding: clamp(16px, 2.4vw, 24px);
  border: 1px solid var(--line-3);
  background: rgba(7, 16, 31, .72);
}

.page-news .coop-card h3 {
  margin: 10px 0 8px;
  font-size: clamp(17px, 2.2vw, 21px);
  line-height: 1.38;
}

.page-news .coop-card p {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.76;
  color: var(--c-pale);
}

/* ---------- 相关入口 ---------- */
.page-news .next-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: var(--n-step);
  padding-top: 16px;
  border-top: 1px solid var(--line-2);
}

.page-news .next-links a {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--c-steel);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .method-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .rhythm-inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }

  .page-news .report-item:nth-child(even) {
    padding-left: clamp(0px, 3vw, 31px);
  }

  .page-news .feed-figure {
    aspect-ratio: 16 / 10;
  }
}

@media (min-width: 900px) {
  .page-news .report-hero-inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
  }

  .page-news .report-hero-figure {
    clip-path: polygon(0 3%, 100% 0, 100% 97%, 0 100%);
  }
}

@media (min-width: 960px) {
  .page-news .reports-grid {
    grid-template-columns: 248px minmax(0, 1fr);
    align-items: start;
  }

  .page-news .aside-sticky {
    position: sticky;
    top: 96px;
  }
}