.page-news {
  --pn-gap: clamp(1.05rem, 2.4vw, 1.7rem);
  --pn-radius: 10px;
  --pn-border: 1px solid var(--c-line);
  --pn-panel: rgba(20, 41, 92, 0.5);
  --pn-panel-deep: rgba(6, 7, 12, 0.55);
}

.page-news img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-news .news-hero,
.page-news .news-latest,
.page-news .news-stream,
.page-news .news-topics-sec,
.page-news .news-cadence-sec {
  min-width: 0;
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(2.2rem, 6vw, 4.4rem) 0 clamp(1.7rem, 4vw, 2.8rem);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: -36%;
  right: -16%;
  width: min(64%, 720px);
  aspect-ratio: 1.1;
  background: linear-gradient(140deg, rgba(58, 141, 255, 0.26), rgba(34, 199, 255, 0.06) 56%, transparent 78%);
  transform: rotate(-12deg);
  z-index: -1;
  pointer-events: none;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: min(58%, 700px);
  height: 1px;
  background: linear-gradient(90deg, var(--c-cyan), transparent);
  opacity: 0.55;
  pointer-events: none;
}

.page-news .news-hero-inner {
  position: relative;
}

.page-news .news-hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 1.15rem;
  padding: 0.36rem 0.95rem 0.36rem 0.72rem;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  background: rgba(20, 41, 92, 0.45);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.07em;
  color: var(--c-silver);
}

.page-news .news-hero-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-mint);
  box-shadow: 0 0 0 4px rgba(102, 242, 208, 0.16);
}

.page-news .news-hero-title {
  margin: 0;
  max-width: 16em;
  font-size: clamp(1.85rem, 5.6vw, 3.7rem);
  line-height: 1.1;
  letter-spacing: -0.022em;
  font-weight: 800;
  color: var(--c-paper);
}

.page-news .news-hero-lead {
  margin: 1.25rem 0 0;
  max-width: 62ch;
  font-size: 1.04rem;
  line-height: 1.78;
  color: var(--c-silver);
}

.page-news .news-hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem 1.15rem;
  margin-top: 1.45rem;
}

.page-news .news-hero-badge {
  display: inline-block;
  padding: 0.4rem 0.9rem;
  border-radius: 4px;
  background: var(--grad-neon);
  color: var(--c-black);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-news .news-hero-note {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  color: var(--c-muted);
}

.page-news .news-hero-figure {
  margin: clamp(1.7rem, 4vw, 2.6rem) 0 0;
  border: var(--pn-border);
  border-radius: var(--pn-radius);
  overflow: hidden;
  box-shadow: var(--shadow-panel);
}

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

/* ---------- 02 本季度 ---------- */

.page-news .news-latest-grid {
  display: grid;
  gap: var(--pn-gap);
  margin-top: clamp(1.3rem, 3vw, 2rem);
}

.page-news .news-side {
  display: grid;
  gap: var(--pn-gap);
  min-width: 0;
}

.page-news .news-feature {
  position: relative;
  min-width: 0;
  overflow: hidden;
  border: var(--pn-border);
  border-radius: var(--pn-radius);
  background: linear-gradient(165deg, var(--c-mid), var(--c-night) 78%);
  box-shadow: var(--shadow-panel);
}

.page-news .news-feature::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--grad-neon);
  z-index: 1;
}

.page-news .news-feature-figure {
  margin: 0;
  overflow: hidden;
}

.page-news .news-feature-figure img {
  width: 100%;
  object-fit: cover;
}

.page-news .news-feature-body {
  padding: clamp(1.15rem, 2.6vw, 1.75rem);
}

.page-news .news-feature-title {
  margin: 0 0 0.55rem;
  font-size: clamp(1.18rem, 2.4vw, 1.5rem);
  line-height: 1.32;
  letter-spacing: -0.015em;
  font-weight: 800;
  color: var(--c-paper);
}

.page-news .news-feature-text {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.78;
  color: var(--c-silver);
}

.page-news .news-minor {
  position: relative;
  min-width: 0;
  overflow: hidden;
  padding: clamp(1.1rem, 2.4vw, 1.55rem);
  border: var(--pn-border);
  border-radius: var(--pn-radius);
  background: var(--pn-panel);
}

.page-news .news-minor::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  background: linear-gradient(180deg, var(--c-cyan), transparent 86%);
}

.page-news .news-minor-title {
  margin: 0 0 0.5rem;
  font-size: clamp(1.04rem, 2vw, 1.22rem);
  line-height: 1.4;
  letter-spacing: -0.012em;
  font-weight: 800;
  color: var(--c-paper);
}

.page-news .news-minor p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.76;
  color: var(--c-silver);
}

.page-news .news-minor--media {
  padding: 0;
}

.page-news .news-minor-figure {
  margin: 0;
  overflow: hidden;
}

.page-news .news-minor-figure img {
  width: 100%;
  object-fit: cover;
}

.page-news .news-minor-body {
  padding: clamp(1.05rem, 2.4vw, 1.5rem);
}

.page-news .news-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.7rem;
  margin-bottom: 0.6rem;
}

.page-news .news-when {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--c-muted);
}

.page-news .news-points {
  margin: 0.9rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.5rem;
}

.page-news .news-points li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--c-silver);
}

.page-news .news-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.64em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--grad-neon);
  transform: rotate(45deg);
}

@media (min-width: 900px) {
  .page-news .news-latest-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
  }
}

/* ---------- 03 时间线 ---------- */

.page-news .news-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: clamp(1.2rem, 3vw, 1.8rem) 0 clamp(1.5rem, 3.6vw, 2.2rem);
  padding: 0;
  list-style: none;
}

.page-news .news-filter {
  display: inline-flex;
  align-items: center;
  padding: 0.46rem 1rem;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  background: rgba(11, 27, 58, 0.6);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--c-silver);
  text-decoration: none;
  transition: color 0.22s var(--ease), background 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-news .news-filter.is-active {
  color: var(--c-night);
  background: var(--c-cyan);
  border-color: var(--c-cyan);
}

.page-news .news-filter:hover,
.page-news .news-filter:focus-visible {
  color: var(--c-night);
  background: var(--c-cyan);
  border-color: var(--c-cyan);
}

.page-news .news-timeline {
  position: relative;
  display: grid;
  gap: clamp(1.7rem, 4vw, 2.7rem);
}

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

.page-news .news-group-head {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem 0.85rem;
  margin: 0 0 0.95rem;
}

.page-news .news-group-period {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--c-paper);
}

.page-news .news-group-count {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--c-cyan);
  opacity: 0.7;
  transition: opacity 0.22s var(--ease);
}

.page-news .news-group-head:hover .news-group-count {
  opacity: 1;
}

.page-news .news-group-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.8rem;
}

.page-news .news-item {
  position: relative;
  min-width: 0;
  overflow: hidden;
  padding: clamp(1rem, 2.2vw, 1.4rem) clamp(1.05rem, 2.4vw, 1.5rem);
  border: var(--pn-border);
  border-radius: var(--pn-radius);
  background: var(--pn-panel-deep);
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--c-line);
  transition: background 0.22s var(--ease);
}

.page-news .news-item:hover {
  border-color: rgba(34, 199, 255, 0.42);
  transform: translateX(2px);
}

.page-news .news-item--version::before {
  background: var(--c-cyan);
}

.page-news .news-item--guide::before {
  background: #3A8DFF;
}

.page-news .news-item--local::before {
  background: var(--c-mint);
}

.page-news .news-item--annual::before {
  background: #9AA9BF;
}

.page-news .news-item--version .tag {
  color: var(--c-cyan);
  border-color: rgba(34, 199, 255, 0.4);
}

.page-news .news-item--local .tag {
  color: var(--c-mint);
  border-color: rgba(102, 242, 208, 0.38);
}

.page-news .news-item-title {
  margin: 0 0 0.42rem;
  font-size: clamp(1rem, 1.9vw, 1.16rem);
  line-height: 1.46;
  letter-spacing: -0.01em;
  font-weight: 700;
  color: var(--c-paper);
}

.page-news .news-item-desc {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.76;
  color: var(--c-silver);
}

.page-news .news-item--lead {
  padding: 0;
}

.page-news .news-item--lead .news-item-figure {
  margin: 0;
  overflow: hidden;
}

.page-news .news-item--lead .news-item-figure img {
  width: 100%;
  object-fit: cover;
}

.page-news .news-item--lead .news-item-body {
  padding: clamp(1rem, 2.2vw, 1.4rem) clamp(1.05rem, 2.4vw, 1.5rem);
}

.page-news .news-more {
  margin-top: 0.8rem;
  padding-top: 0.62rem;
  border-top: 1px dashed rgba(30, 58, 107, 0.9);
}

.page-news .news-more > summary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  list-style: none;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--c-cyan);
}

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

.page-news .news-more > summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1;
}

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

.page-news .news-more-list {
  margin: 0.72rem 0 0;
  padding-left: 1.15rem;
  display: grid;
  gap: 0.4rem;
  font-size: 0.91rem;
  line-height: 1.72;
  color: var(--c-silver);
}

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

@media (min-width: 760px) {
  .page-news .news-timeline {
    padding-left: 2.4rem;
  }

  .page-news .news-timeline::before {
    content: "";
    position: absolute;
    left: 7px;
    top: 8px;
    bottom: 8px;
    width: 1px;
    background: linear-gradient(180deg, var(--c-cyan), var(--c-line) 42%, transparent);
  }

  .page-news .news-group-head::before {
    content: "";
    position: absolute;
    left: calc(-2.4rem + 1px);
    top: 0.42em;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--c-night);
    border: 2px solid var(--c-cyan);
    box-shadow: 0 0 0 5px rgba(34, 199, 255, 0.12);
  }
}

/* ---------- 04 专题系列 ---------- */

.page-news .news-topics {
  margin: clamp(1.3rem, 3vw, 2rem) 0 0;
  padding: 0 0 1rem;
  list-style: none;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(255px, 82%);
  gap: var(--pn-gap);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
  scrollbar-color: var(--c-line) transparent;
}

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

.page-news .news-topics::-webkit-scrollbar-track {
  background: rgba(30, 58, 107, 0.35);
  border-radius: 999px;
}

.page-news .news-topics::-webkit-scrollbar-thumb {
  background: var(--c-line);
  border-radius: 999px;
}

.page-news .news-topics::-webkit-scrollbar-thumb:hover {
  background: var(--c-cyan);
}

.page-news .news-topic {
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  min-width: 0;
  min-height: 218px;
  padding: clamp(1.1rem, 2.4vw, 1.55rem);
  border: var(--pn-border);
  border-radius: var(--pn-radius);
  background: linear-gradient(160deg, rgba(20, 41, 92, 0.92), rgba(6, 7, 12, 0.86));
  transition: border-color 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.page-news .news-topic:hover {
  border-color: rgba(34, 199, 255, 0.5);
  box-shadow: var(--shadow-panel);
}

.page-news .news-topic-index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-news .news-topic-title {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.42;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--c-paper);
}

.page-news .news-topic p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.74;
  color: var(--c-silver);
}

.page-news .news-topic-link {
  margin-top: auto;
  padding-top: 0.72rem;
  border-top: 1px solid rgba(30, 58, 107, 0.85);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--c-cyan);
  text-decoration: none;
}

.page-news .news-topic-link::after {
  content: " →";
}

.page-news .news-topic-link:hover {
  color: var(--c-mint);
}

@media (min-width: 720px) {
  .page-news .news-topics {
    grid-auto-columns: minmax(288px, 33%);
  }
}

@media (min-width: 1180px) {
  .page-news .news-topics {
    grid-auto-columns: minmax(300px, 25%);
  }
}

/* ---------- 05 更新节奏 ---------- */

.page-news .news-cadence {
  display: grid;
  gap: var(--pn-gap);
  margin-top: clamp(1.3rem, 3vw, 2rem);
}

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

.page-news .news-cadence-item {
  display: grid;
  gap: 0.25rem 1rem;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--c-line);
}

.page-news .news-cadence-when {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--c-cyan);
}

.page-news .news-cadence-what {
  font-size: 0.95rem;
  line-height: 1.74;
  color: var(--c-silver);
}

.page-news .news-helper {
  min-width: 0;
  padding: clamp(1.2rem, 2.8vw, 1.8rem);
  border: var(--pn-border);
  border-left: 3px solid var(--c-cyan);
  border-radius: var(--pn-radius);
  background: linear-gradient(155deg, rgba(20, 41, 92, 0.95), rgba(11, 27, 58, 0.9));
  box-shadow: var(--shadow-panel);
}

.page-news .news-helper h3 {
  margin: 0 0 0.6rem;
  font-size: 1.14rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--c-paper);
}

.page-news .news-helper p {
  margin: 0 0 1.1rem;
  font-size: 0.94rem;
  line-height: 1.76;
  color: var(--c-silver);
}

.page-news .news-helper-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

@media (min-width: 520px) {
  .page-news .news-cadence-item {
    grid-template-columns: 6.5rem minmax(0, 1fr);
    align-items: baseline;
  }
}

@media (min-width: 860px) {
  .page-news .news-cadence {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
  }
}

/* ---------- 窄屏收尾 ---------- */

@media (max-width: 560px) {
  .page-news .news-hero-title {
    font-size: clamp(1.7rem, 8.6vw, 2.35rem);
  }

  .page-news .news-hero-lead {
    font-size: 0.98rem;
  }

  .page-news .news-topics {
    grid-auto-columns: minmax(232px, 86%);
  }

  .page-news .news-topic {
    min-height: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .news-topic,
  .page-news .news-filter,
  .page-news .news-group-count {
    transition: none;
  }

  .page-news .news-item:hover {
    transform: none;
  }
}