.page-news {
  --pn-gap: clamp(14px, 2.4vw, 22px);
  --pn-radius: 16px;
  --pn-card: linear-gradient(158deg, rgba(27, 42, 94, 0.62), rgba(17, 21, 28, 0.9));
  position: relative;
  color: var(--mist);
  background:
    radial-gradient(820px 420px at 88% 0%, rgba(34, 230, 210, 0.12), transparent 64%),
    radial-gradient(640px 380px at 6% 22%, rgba(255, 122, 26, 0.09), transparent 62%),
    var(--ink);
  padding-bottom: clamp(56px, 9vw, 110px);
}

.page-news .pn-eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-news .pn-crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--slate);
}

.page-news .pn-crumbs a {
  color: var(--warm-gray);
  text-decoration: none;
}

.page-news .pn-crumbs a:hover,
.page-news .pn-crumbs a:focus-visible {
  color: var(--cyan);
}

.page-news .pn-section {
  position: relative;
  padding: clamp(46px, 8vw, 96px) 0;
}

.page-news .pn-section + .pn-section {
  border-top: 1px solid var(--line-soft);
}

.page-news .pn-head {
  max-width: 760px;
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-news .pn-title {
  margin: 0 0 14px;
  font-family: var(--font-sans);
  font-weight: 900;
  letter-spacing: -0.04em;
  font-size: clamp(1.55rem, 4.2vw, 2.5rem);
  line-height: 1.16;
  color: var(--mist);
}

.page-news .pn-lede {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--warm-gray);
}

/* 首屏 */
.page-news .pulse-hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(28px, 6vw, 76px));
  padding-bottom: clamp(38px, 6vw, 70px);
}

.page-news .pulse-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}

.page-news .pulse-hero-grid {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
}

.page-news .pulse-hero-main h1 {
  margin: 0 0 18px;
  font-family: var(--font-sans);
  font-weight: 900;
  letter-spacing: -0.045em;
  font-size: clamp(2rem, 7.4vw, 3.5rem);
  line-height: 1.1;
  color: var(--mist);
  max-width: 16em;
}

.page-news .pulse-lede {
  margin: 0;
  max-width: 56ch;
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.85;
  color: var(--warm-gray);
}

.page-news .pulse-chips {
  display: flex;
  gap: 10px;
  margin-top: clamp(22px, 3.4vw, 32px);
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-news .pn-chip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(27, 42, 94, 0.4);
  color: var(--warm-gray);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.page-news .pn-chip:hover,
.page-news .pn-chip:focus-visible {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-news .pulse-facts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: clamp(16px, 2.6vw, 34px);
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: clamp(16px, 2.4vw, 22px) 0 0;
  border-top: 1px solid var(--line);
}

.page-news .pulse-fact {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 112px;
}

.page-news .pf-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.3rem, 2.6vw, 1.85rem);
  color: var(--orange);
  letter-spacing: -0.02em;
}

.page-news .pf-label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-news .pulse-panel {
  padding: 14px 14px 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(27, 42, 94, 0.74), rgba(11, 18, 48, 0.92));
  box-shadow: var(--shadow-panel);
}

.page-news .pulse-panel img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  object-fit: cover;
}

.page-news .pulse-panel-title {
  margin: 16px 0 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-news .pulse-index {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .pulse-index li + li {
  border-top: 1px solid var(--line-soft);
}

.page-news .pulse-index a {
  display: grid;
  gap: 5px;
  padding: 12px 10px 12px 12px;
  border-left: 2px solid transparent;
  color: var(--mist);
  text-decoration: none;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.page-news .pulse-index a:hover,
.page-news .pulse-index a:focus-visible {
  border-left-color: var(--cyan);
  background: rgba(34, 230, 210, 0.07);
}

.page-news .pi-time {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-news .pi-text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--warm-gray);
}

/* 最新条目 */
.page-news .news-feed {
  display: grid;
  gap: var(--pn-gap);
  grid-template-columns: minmax(0, 1fr);
}

.page-news .feed-item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.6vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--pn-radius);
  background: var(--pn-card);
  overflow: hidden;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease), background 0.4s var(--ease);
}

.page-news .feed-item::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 54px;
  height: 54px;
  background: linear-gradient(225deg, rgba(34, 230, 210, 0.2), transparent 60%);
  pointer-events: none;
}

.page-news .feed-item:hover,
.page-news .feed-item:focus-within {
  transform: translateY(-3px);
  border-color: rgba(34, 230, 210, 0.4);
  background: linear-gradient(158deg, rgba(27, 42, 94, 0.78), rgba(17, 21, 28, 0.94));
}

.page-news .feed-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--slate);
}

.page-news .feed-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(34, 230, 210, 0.16);
  flex: 0 0 auto;
}

.page-news .feed-cat {
  color: var(--mist-cyan);
}

.page-news .feed-time {
  color: var(--orange);
}

.page-news .feed-title {
  margin: 0;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.4;
  color: var(--mist);
}

.page-news .feed-summary {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--warm-gray);
  overflow: hidden;
}

@media (min-width: 900px) {
  .page-news .news-feed {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-news .feed-item--a {
    grid-column: span 7;
  }

  .page-news .feed-item--b {
    grid-column: span 5;
  }

  .page-news .feed-item--c {
    grid-column: span 5;
  }

  .page-news .feed-item--d {
    grid-column: span 7;
  }

  .page-news .feed-item--e {
    grid-column: span 4;
  }

  .page-news .feed-item--f {
    grid-column: span 8;
  }

  .page-news .feed-summary {
    max-height: 3.6em;
    transition: max-height 0.5s var(--ease);
  }

  .page-news .feed-item:hover .feed-summary,
  .page-news .feed-item:focus-within .feed-summary {
    max-height: 14em;
  }
}

/* 轮次观察 */
.page-news .rounds-layout {
  display: grid;
  gap: clamp(20px, 3.4vw, 38px);
}

.page-news .rounds-visual,
.page-news .version-visual,
.page-news .skills-visual {
  margin: 0;
}

.page-news .rounds-visual img,
.page-news .version-visual img,
.page-news .skills-visual img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--pn-radius);
  object-fit: cover;
}

.page-news .rounds-visual figcaption,
.page-news .version-visual figcaption,
.page-news .skills-visual figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--slate);
}

.page-news .round-card {
  position: relative;
  padding: 16px 16px 16px 20px;
  border-left: 2px solid var(--line);
  background: linear-gradient(90deg, rgba(27, 42, 94, 0.28), transparent 70%);
  transition: border-color 0.35s var(--ease), background 0.35s var(--ease);
}

.page-news .round-card + .round-card {
  margin-top: 14px;
}

.page-news .round-card:first-child {
  border-left-color: var(--cyan);
}

.page-news .round-card:hover {
  border-left-color: var(--orange);
  background: linear-gradient(90deg, rgba(27, 42, 94, 0.5), transparent 76%);
}

.page-news .rc-no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--slate);
}

.page-news .round-card h3 {
  margin: 6px 0 8px;
  font-size: 1.08rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-news .round-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--warm-gray);
}

.page-news .rounds-more {
  margin: clamp(22px, 3.2vw, 32px) 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--slate);
}

.page-news .rounds-more a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 230, 210, 0.4);
}

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

/* 版本记录 */
.page-news .version-layout {
  display: grid;
  gap: clamp(24px, 3.6vw, 40px);
}

.page-news .version-track {
  list-style: none;
  margin: 0;
  padding: 4px 0 0 24px;
  position: relative;
}

.page-news .version-track::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), rgba(34, 230, 210, 0.1));
}

.page-news .version-step {
  position: relative;
  padding-bottom: clamp(22px, 3vw, 34px);
}

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

.page-news .version-step::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--cyan);
}

.page-news .version-step:last-child::before {
  background: var(--orange);
  border-color: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 122, 26, 0.16);
}

.page-news .vs-phase {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-news .version-step:last-child .vs-phase {
  color: var(--orange);
}

.page-news .version-step h3 {
  margin: 8px 0 10px;
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-news .version-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--warm-gray);
  max-width: 58ch;
}

.page-news .vs-list {
  margin: 12px 0 0;
  padding-left: 18px;
  list-style: disc;
}

.page-news .vs-list li {
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--slate);
}

.page-news .vs-list li::marker {
  color: var(--mist-cyan);
}

/* 数据技巧 */
.page-news .skills-layout {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
}

.page-news .skill-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr);
}

.page-news .skill-card {
  padding: 16px;
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  background: rgba(14, 107, 107, 0.16);
  transition: border-color 0.35s var(--ease), background 0.35s var(--ease);
}

.page-news .skill-card:nth-child(3n + 2) {
  background: rgba(27, 42, 94, 0.5);
}

.page-news .skill-card:nth-child(3n) {
  background: rgba(17, 21, 28, 0.8);
}

.page-news .skill-card:hover {
  border-color: rgba(34, 230, 210, 0.4);
}

.page-news .skill-card h3 {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--mist-cyan);
}

.page-news .skill-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--warm-gray);
}

.page-news .quota-strip {
  display: grid;
  gap: 14px;
  margin-top: clamp(20px, 3vw, 30px);
  padding: clamp(16px, 2.6vw, 24px);
  border: 1px solid rgba(255, 122, 26, 0.28);
  border-radius: var(--pn-radius);
  background: linear-gradient(100deg, rgba(255, 122, 26, 0.12), rgba(11, 18, 48, 0.3));
}

.page-news .qc-label {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  color: var(--orange);
}

.page-news .quota-cell p {
  margin: 0;
  font-size: 13.8px;
  line-height: 1.78;
  color: var(--warm-gray);
}

/* 导航索引 */
.page-news .index-band {
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  background: linear-gradient(120deg, rgba(14, 107, 107, 0.34), rgba(11, 18, 48, 0.92) 62%);
}

.page-news .index-band-inner {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-news .index-band-copy .pn-eyebrow {
  color: var(--mist-cyan);
}

.page-news .index-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(18px, 2.6vw, 26px);
}

.page-news .index-stats {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
}

.page-news .index-stats li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(11, 18, 48, 0.52);
}

.page-news .is-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-news .index-stats li:nth-child(2) .is-num,
.page-news .index-stats li:nth-child(4) .is-num {
  color: var(--cyan);
}

.page-news .is-label {
  font-size: 12px;
  letter-spacing: 0.06em;
  line-height: 1.5;
  color: var(--slate);
}

/* 持续更新 */
.page-news .cadence-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-news .cadence-item {
  padding: clamp(14px, 2.2vw, 20px);
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--pn-card);
}

.page-news .cadence-item:nth-child(3n) {
  background: linear-gradient(158deg, rgba(14, 107, 107, 0.28), rgba(17, 21, 28, 0.88));
}

.page-news .cd-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-news .cadence-item h3 {
  margin: 8px 0 8px;
  font-size: 15px;
  font-weight: 900;
  color: var(--mist);
}

.page-news .cadence-item p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--warm-gray);
}

.page-news .cadence-cta {
  margin-top: clamp(20px, 3vw, 30px);
  padding-top: clamp(16px, 2.4vw, 22px);
  border-top: 1px solid var(--line-soft);
}

.page-news .cadence-cta p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--warm-gray);
}

.page-news .cadence-cta a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 230, 210, 0.4);
}

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

/* 返回顶部 */
.page-news .back-top {
  position: fixed;
  right: clamp(12px, 3vw, 28px);
  bottom: clamp(12px, 3vw, 28px);
  z-index: 20;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 13px;
  border: 1px solid rgba(34, 230, 210, 0.36);
  border-radius: 999px;
  background: rgba(11, 18, 48, 0.88);
  color: var(--mist-cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-decoration: none;
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease);
}

.page-news .back-top:hover,
.page-news .back-top:focus-visible {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

@media (min-width: 620px) {
  .page-news .skill-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-news .cadence-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .rounds-layout {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: start;
  }

  .page-news .version-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.78fr);
    align-items: start;
  }

  .page-news .index-band-inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
  }
}

@media (min-width: 940px) {
  .page-news .pulse-hero-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-news .rounds-visual,
  .page-news .version-visual {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }
}

@media (min-width: 960px) {
  .page-news .skills-layout {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    align-items: start;
  }
}

@media (min-width: 1200px) {
  .page-news .skill-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .feed-item,
  .page-news .feed-summary,
  .page-news .round-card,
  .page-news .skill-card,
  .page-news .pn-chip,
  .page-news .back-top,
  .page-news .pulse-index a {
    transition-duration: 0.01ms;
  }

  .page-news .feed-item:hover,
  .page-news .feed-item:focus-within {
    transform: none;
  }
}