.page-news {
  --news-bg-soft: rgba(27, 42, 74, 0.72);
  --news-border: rgba(138, 155, 193, 0.16);
  --news-grid-line: rgba(138, 155, 193, 0.07);
  position: relative;
  overflow: clip;
  background-image:
    linear-gradient(var(--news-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--news-grid-line) 1px, transparent 1px);
  background-size: 36px 36px;
}
.page-news img {
  max-width: 100%;
  height: auto;
}
.page-news svg {
  max-width: 100%;
  display: block;
}

/* Hero 区 */
.page-news__hero {
  position: relative;
  padding: 32px 0 24px;
}
.page-news__hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 52%;
  height: 100%;
  background: repeating-linear-gradient(-45deg, rgba(0, 229, 160, 0.07) 0 2px, transparent 2px 16px);
  clip-path: polygon(28% 0, 100% 0, 100% 100%, 62% 100%);
  pointer-events: none;
}
.page-news__hero-inner {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.page-news__title-mark {
  color: var(--color-neon);
  margin: 0 0.15em;
  font-weight: 300;
}
.page-news .page-title__heading {
  font-size: clamp(2.1rem, 6vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: 0.01em;
  text-transform: none;
}
.page-news .page-title__sub {
  margin-top: 18px;
  max-width: 560px;
  color: var(--color-text-muted);
  line-height: 1.75;
}
.page-news__hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}
.page-news__hero-tags span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  background: rgba(10, 17, 40, 0.4);
}
.page-news__hero-tags span:first-child {
  color: var(--color-neon);
  border-color: rgba(0, 229, 160, 0.4);
}
.page-news__hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.page-news__hero-stat {
  background: linear-gradient(135deg, rgba(27, 42, 74, 0.9), rgba(10, 17, 40, 0.72));
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 16px;
  position: relative;
  overflow: hidden;
}
.page-news__hero-stat::after {
  content: "";
  position: absolute;
  right: -22px;
  bottom: -22px;
  width: 64px;
  height: 64px;
  background: rgba(0, 229, 160, 0.08);
  border-radius: 50%;
}
.page-news__hero-stat:nth-child(even)::after {
  background: rgba(255, 109, 46, 0.08);
}
.page-news__hero-stat-num {
  display: block;
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 5vw, 2.5rem);
  color: var(--color-text);
  line-height: 1.1;
}
.page-news__hero-stat:nth-child(even) .page-news__hero-stat-num {
  color: var(--color-neon);
}
.page-news__hero-stat-label {
  font-size: 0.74rem;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

/* 主体布局 */
.page-news__layout {
  display: grid;
  gap: 32px;
  padding-top: 20px;
  padding-bottom: 40px;
  position: relative;
}

/* 最新动态 */
.page-news__feed-head {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 22px;
}
.page-news__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-news__filter {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-soft);
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  background: rgba(27, 42, 74, 0.4);
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}
.page-news__filter.is-active {
  background: var(--color-neon);
  color: var(--color-bg);
  border-color: var(--color-neon);
  font-weight: 700;
}
.page-news__feature {
  background: linear-gradient(160deg, rgba(27, 42, 74, 0.85), rgba(10, 17, 40, 0.72));
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-soft);
  margin-bottom: 24px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.page-news__feature:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}
.page-news__feature-img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 3 / 1;
  object-fit: cover;
}
.page-news__feature-body {
  padding: 20px;
}
.page-news__item-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.page-news__item-meta time {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-yellow);
  letter-spacing: 0.08em;
}
.page-news__tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  letter-spacing: 0.05em;
  background: rgba(0, 229, 160, 0.12);
  color: var(--color-neon);
  white-space: nowrap;
}
.page-news__tag--cal {
  background: rgba(242, 201, 76, 0.12);
  color: var(--color-yellow);
}
.page-news__tag--data {
  background: rgba(138, 155, 193, 0.14);
  color: var(--color-text-muted);
}
.page-news__tag--ver {
  background: rgba(83, 39, 163, 0.25);
  color: #c9b8f0;
}
.page-news__tag--flow {
  background: rgba(255, 109, 46, 0.14);
  color: var(--color-orange);
}
.page-news__feature-title {
  font-size: clamp(1.15rem, 3vw, 1.6rem);
  font-weight: 800;
  line-height: 1.3;
  margin: 6px 0 10px;
  color: var(--color-text);
}
.page-news__feature-body p {
  color: var(--color-text-muted);
  line-height: 1.7;
  font-size: 0.92rem;
}

/* 新闻列表 */
.page-news__list {
  display: grid;
  gap: 16px;
  position: relative;
}
.page-news__list::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(to bottom, rgba(0, 229, 160, 0.55), rgba(138, 155, 193, 0.12) 62%, transparent);
}
.page-news__item {
  position: relative;
  padding: 18px 18px 18px 22px;
  background: linear-gradient(135deg, rgba(27, 42, 74, 0.68), rgba(27, 42, 74, 0.32));
  border-radius: var(--radius-md);
  border: 1px solid var(--border-soft);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.page-news__item::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 18px;
  bottom: 18px;
  width: 3px;
  border-radius: var(--radius-pill);
  background: var(--color-neon);
  opacity: 0.85;
}
.page-news__item:hover,
.page-news__item:focus-within {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 160, 0.4);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}
.page-news__item:nth-child(even)::before {
  background: var(--color-orange);
}
.page-news__item-num {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
}
.page-news__item-title {
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.4;
  margin: 6px 0 8px;
  color: var(--color-text);
}
.page-news__item p {
  color: var(--color-text-muted);
  font-size: 0.88rem;
  line-height: 1.7;
  max-height: 3.4em;
  overflow: hidden;
  transition: max-height 0.45s ease;
}
.page-news__item:hover p,
.page-news__item:focus-within p {
  max-height: 16em;
}
.page-news__item .btn {
  margin-top: 12px;
}

/* 专题旁注 */
.page-news__side {
  display: grid;
  gap: 20px;
  align-content: start;
}
.page-news__series {
  background: linear-gradient(150deg, rgba(83, 39, 163, 0.22), rgba(27, 42, 74, 0.65) 55%, rgba(10, 17, 40, 0.5));
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
}
.page-news__series-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 14px 0 18px;
}
.page-news__series-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-soft);
  color: var(--color-text-muted);
  background: rgba(10, 17, 40, 0.35);
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}
.page-news__series-tag.is-active {
  color: var(--color-neon);
  border-color: rgba(0, 229, 160, 0.45);
  background: rgba(0, 229, 160, 0.08);
}
.page-news__series-group {
  margin-bottom: 20px;
}
.page-news__series-title {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-text);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.page-news__series-title::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--color-orange);
  border-radius: 2px;
}
.page-news__series-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 4px;
}
.page-news__series-item {
  display: flex;
  gap: 10px;
  align-items: baseline;
  font-size: 0.86rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  padding: 8px 0;
  border-bottom: 1px dashed rgba(138, 155, 193, 0.14);
}
.page-news__series-index {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--color-neon);
  flex-shrink: 0;
}
.page-news__series-img {
  width: 100%;
  border-radius: var(--radius-md);
  margin-top: 6px;
  display: block;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* 粒子卡片 */
.page-news__particle-card {
  position: relative;
  background: linear-gradient(145deg, rgba(27, 42, 74, 0.8), rgba(10, 17, 40, 0.6));
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.page-news__particle-img {
  width: 100%;
  height: 190px;
  object-fit: cover;
  display: block;
}
.page-news__particle-body {
  padding: 22px;
}
.page-news__particle-label {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  color: var(--color-orange);
  display: inline-block;
  margin-bottom: 10px;
  border: 1px solid rgba(255, 109, 46, 0.35);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
}
.page-news__particle-title {
  font-size: 1.12rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 8px;
  line-height: 1.35;
}
.page-news__particle-body p {
  color: var(--color-text-muted);
  font-size: 0.86rem;
  line-height: 1.65;
  margin-bottom: 16px;
}

/* 数据洞察 */
.page-news__insights {
  margin-top: 12px;
  position: relative;
  background:
    radial-gradient(ellipse at 12% 18%, rgba(83, 39, 163, 0.32), transparent 42%),
    radial-gradient(ellipse at 88% 72%, rgba(0, 229, 160, 0.1), transparent 44%),
    linear-gradient(160deg, rgba(27, 42, 74, 0.72), rgba(10, 17, 40, 0.94));
  border-top: 1px solid var(--border-soft);
  padding: 44px 0 56px;
}
.page-news__insights .section-title {
  margin-bottom: 24px;
}
.page-news__insight-grid {
  display: grid;
  gap: 28px;
}
.page-news__insight-title {
  font-size: clamp(1.25rem, 3vw, 1.7rem);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 10px;
  line-height: 1.3;
}
.page-news__insight-lead {
  color: var(--color-text-muted);
  line-height: 1.7;
  font-size: 0.92rem;
}
.page-news__stat-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 24px 0;
}
.page-news__stat {
  background: rgba(10, 17, 40, 0.55);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  transition: border-color var(--transition), transform var(--transition);
}
.page-news__stat:hover {
  border-color: rgba(0, 229, 160, 0.4);
  transform: translateY(-2px);
}
.page-news__stat-num {
  font-family: var(--font-head);
  font-size: 1.9rem;
  color: var(--color-text);
  line-height: 1.1;
  display: block;
}
.page-news__stat:nth-child(2) .page-news__stat-num {
  color: var(--color-neon);
}
.page-news__stat:nth-child(3) .page-news__stat-num {
  color: var(--color-orange);
}
.page-news__stat:nth-child(4) .page-news__stat-num {
  color: var(--color-yellow);
}
.page-news__stat-unit {
  font-size: 0.95rem;
  margin-left: 2px;
}
.page-news__stat-label {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}
.page-news__chart {
  width: 100%;
  height: auto;
  background: rgba(10, 17, 40, 0.5);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 10px;
  box-sizing: border-box;
}
.page-news__insight-side {
  display: grid;
  gap: 20px;
  align-content: start;
}
.page-news__insight-img {
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-soft);
  aspect-ratio: 3 / 2;
  object-fit: cover;
}
.page-news__insight-note {
  background: rgba(10, 17, 40, 0.55);
  border-left: 3px solid var(--color-neon);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 18px 20px;
}
.page-news__insight-note h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-neon);
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}
.page-news__insight-note ul {
  margin: 0;
  padding-left: 18px;
  color: var(--color-text-muted);
  font-size: 0.86rem;
  line-height: 1.7;
  display: grid;
  gap: 6px;
}

/* 桌面断点 */
@media (min-width: 900px) {
  .page-news__hero {
    padding: 52px 0 36px;
  }
  .page-news__hero-inner {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    gap: 40px;
  }
  .page-news__hero-main {
    max-width: 640px;
    flex: 1 1 auto;
  }
  .page-news__hero-stats {
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    flex: 0 0 auto;
    min-width: 440px;
  }
  .page-news__hero-stat {
    padding: 18px 14px;
  }
  .page-news__layout {
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 36px;
    align-items: start;
    padding-top: 12px;
  }
  .page-news__feed-head {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .page-news__filters {
    justify-content: flex-end;
  }
  .page-news__item {
    padding: 20px 22px 20px 26px;
  }
  .page-news__stat-row {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-news__stat {
    padding: 18px;
  }
  .page-news__insight-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 36px;
  }
  .page-news__particle-card {
    display: grid;
    grid-template-columns: 110px 1fr;
  }
  .page-news__particle-img {
    height: 100%;
    min-height: 280px;
    object-fit: cover;
  }
  .page-news__particle-body {
    padding: 24px 22px;
  }
}