.page-news {
  --news-green: #39FF14;
  --news-blue: #00E5FF;
  --news-paper: #F5E6C8;
  --news-deep: #0B0F19;
  --news-panel: #111827;
  --news-line: rgba(148, 163, 184, 0.18);
  --news-caption: #94A3B8;
  background: var(--news-deep);
  color: #F8FAFC;
  overflow-x: hidden;
  font-family: var(--font-body);
}

/* ===== 面包屑 ===== */
.page-news .page-news__chrome {
  padding-top: 22px;
}
.page-news .breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--news-caption);
}
.page-news .breadcrumb a {
  color: var(--news-blue);
  text-decoration: none;
  transition: color 0.2s ease;
}
.page-news .breadcrumb a:hover {
  color: var(--news-green);
}
.page-news .breadcrumb__sep {
  color: var(--news-green);
  opacity: 0.7;
}
.page-news .breadcrumb [aria-current="page"] {
  color: var(--text-primary);
  font-weight: 700;
}

/* ===== 首屏叙事 ===== */
.page-news .news-hero {
  position: relative;
  padding: 44px 0 52px;
}
.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: -20px;
  right: -40px;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(57, 255, 20, 0.1) 0%, transparent 70%);
  pointer-events: none;
}
.page-news .news-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding-bottom: 36px;
}
.page-news .news-hero__grid::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--news-green), var(--news-blue));
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 100%, 0 100%);
}
.page-news .news-hero__content {
  max-width: 660px;
}
.page-news .news-hero .eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--news-green);
  border-left: 4px solid var(--news-blue);
  padding-left: 12px;
  margin: 0 0 16px;
}
.page-news .news-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.5vw, 52px);
  line-height: 1.08;
  letter-spacing: 0.01em;
  margin: 0 0 18px;
  color: var(--text-primary);
}
.page-news .news-hero__lead {
  font-size: 15px;
  line-height: 1.85;
  color: var(--news-caption);
  margin: 0 0 26px;
}
.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-news .news-hero__stamp {
  position: relative;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 26px 30px;
  background: var(--news-panel);
  border-left: 4px solid var(--news-green);
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 28px 100%, 0 calc(100% - 28px));
  max-width: 340px;
}
.page-news .news-hero__stamp::before {
  content: "";
  position: absolute;
  right: -1px;
  bottom: 0;
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, rgba(57, 255, 20, 0.2), rgba(0, 229, 255, 0.2));
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
  opacity: 0.4;
  pointer-events: none;
}
.page-news .news-hero__stamp-number {
  font-family: var(--font-mono);
  font-size: 86px;
  font-weight: 900;
  line-height: 0.9;
  color: var(--news-green);
  letter-spacing: -0.04em;
}
.page-news .news-hero__stamp-caption {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
  color: var(--news-caption);
  border-top: 1px solid rgba(57, 255, 20, 0.4);
  padding-top: 8px;
}

/* ===== 通用分区块 ===== */
.page-news .news-section {
  position: relative;
  padding-top: 64px;
  padding-bottom: 28px;
  scroll-margin-top: 80px;
}
.page-news .news-section + .news-section {
  padding-top: 48px;
}
.page-news .news-updates::before {
  content: "UPDATE";
  position: absolute;
  right: -30px;
  top: 60px;
  font-family: var(--font-mono);
  font-size: clamp(64px, 12vw, 140px);
  font-weight: 900;
  line-height: 1;
  color: rgba(57, 255, 20, 0.035);
  white-space: nowrap;
  pointer-events: none;
  z-index: 0;
}
.page-news .news-data::before {
  content: "DATA";
  position: absolute;
  left: -30px;
  bottom: 40px;
  font-family: var(--font-mono);
  font-size: clamp(52px, 9vw, 110px);
  font-weight: 900;
  line-height: 1;
  color: rgba(0, 229, 255, 0.035);
  white-space: nowrap;
  pointer-events: none;
  z-index: 0;
}
.page-news .news-series::before {
  content: "GUIDES";
  position: absolute;
  right: -20px;
  bottom: 24px;
  font-family: var(--font-mono);
  font-size: clamp(56px, 10vw, 120px);
  font-weight: 900;
  line-height: 1;
  color: rgba(245, 230, 200, 0.035);
  white-space: nowrap;
  pointer-events: none;
  z-index: 0;
}

/* ===== 区块标题 ===== */
.page-news .section__header {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px 24px;
  margin-bottom: 36px;
  border-bottom: 1px solid var(--news-line);
  padding-bottom: 14px;
}
.page-news .section__headings .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--news-blue);
  margin: 0 0 6px;
}
.page-news .section__header h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.15;
  margin: 0;
  color: var(--text-primary);
}
.page-news .section__note {
  font-size: 13px;
  color: var(--news-caption);
  line-height: 1.6;
  max-width: 320px;
}

/* ===== 最新更新：时间线 ===== */
.page-news .updates__timeline {
  position: relative;
  max-width: 960px;
  padding-left: 32px;
  z-index: 1;
}
.page-news .updates__timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: linear-gradient(180deg, var(--news-green), var(--news-blue));
  opacity: 0.35;
}
.page-news .updates__item {
  position: relative;
  margin-bottom: 40px;
}
.page-news .updates__item::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 22px;
  width: 12px;
  height: 12px;
  background: var(--news-green);
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
  box-shadow: 0 0 12px rgba(57, 255, 20, 0.7);
  z-index: 2;
}
.page-news .updates__item:nth-child(even)::before {
  background: var(--news-blue);
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.7);
}
.page-news .updates__label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--news-green);
  background: rgba(57, 255, 20, 0.08);
  border: 1px solid rgba(57, 255, 20, 0.35);
  padding: 6px 14px;
  margin-bottom: 12px;
}
.page-news .updates__item:nth-child(even) .updates__label {
  color: var(--news-blue);
  background: rgba(0, 229, 255, 0.08);
  border-color: rgba(0, 229, 255, 0.35);
}
.page-news .updates__card {
  position: relative;
  z-index: 1;
  background: var(--news-panel);
  border: 1px solid var(--news-line);
  border-left: 3px solid var(--news-green);
  padding: 24px 20px;
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.page-news .updates__card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, transparent 0 50%, rgba(57, 255, 20, 0.16) 50% 100%);
  pointer-events: none;
}
.page-news .updates__item:nth-child(even) .updates__card {
  border-left-color: var(--news-blue);
}
.page-news .updates__item:nth-child(even) .updates__card::before {
  background: linear-gradient(135deg, transparent 0 50%, rgba(0, 229, 255, 0.16) 50% 100%);
}
.page-news .updates__card:hover {
  transform: translateY(-3px);
  border-color: rgba(57, 255, 20, 0.4);
}
.page-news .updates__item:nth-child(even) .updates__card:hover {
  border-color: rgba(0, 229, 255, 0.4);
}
.page-news .updates__card h3 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  line-height: 1.3;
  margin: 14px 0 10px;
  color: var(--text-primary);
}
.page-news .updates__card p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--news-caption);
  margin: 0 0 16px;
}
.page-news .updates__card img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  margin: 14px 0 6px;
  filter: saturate(0.85) contrast(1.08);
}
.page-news .updates__link,
.page-news .series-grid__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--news-blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.4);
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.page-news .updates__link:hover,
.page-news .series-grid__link:hover {
  color: var(--news-green);
  border-bottom-color: var(--news-green);
}

/* ===== 标签颜色 ===== */
.page-news .tag--green {
  background: rgba(57, 255, 20, 0.12);
  color: var(--news-green);
  border-left: 2px solid var(--news-green);
}
.page-news .tag--blue {
  background: rgba(0, 229, 255, 0.12);
  color: var(--news-blue);
  border-left: 2px solid var(--news-blue);
}
.page-news .tag--warm {
  background: rgba(245, 230, 200, 0.1);
  color: var(--news-paper);
  border-left: 2px solid var(--news-paper);
}

/* ===== 数据动态 ===== */
.page-news .data-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.page-news .data-grid__chart {
  padding: 20px;
  background: var(--news-panel);
  border: 1px solid var(--news-line);
  border-top: 3px solid var(--news-blue);
}
.page-news .data-grid__chart img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-news .data-grid__chart p {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--news-caption);
}
.page-news .data-grid__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.page-news .data-grid__stat {
  background: var(--news-panel);
  border: 1px solid var(--news-line);
  padding: 20px 16px;
  min-height: 128px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.page-news .data-grid__stat::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, transparent 50%, var(--news-green) 50%);
  opacity: 0.45;
}
.page-news .data-grid__stat:nth-child(even)::after {
  background: linear-gradient(135deg, transparent 50%, var(--news-blue) 50%);
}
.page-news .data-grid__stat .display-number {
  font-family: var(--font-mono);
  font-weight: 900;
  font-size: clamp(32px, 5vw, 44px);
  line-height: 1;
  color: var(--news-green);
  display: block;
  margin-bottom: 8px;
}
.page-news .data-grid__stat:nth-child(even) .display-number {
  color: var(--news-blue);
}
.page-news .data-grid__stat-label {
  font-size: 13px;
  color: var(--news-caption);
  line-height: 1.5;
}

/* ===== 专题系列 ===== */
.page-news .series-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.page-news .series-grid__card {
  background: var(--news-panel);
  border: 1px solid var(--news-line);
  border-bottom: 3px solid transparent;
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.page-news .series-grid__card:hover {
  transform: translateX(-4px);
  border-bottom-color: var(--news-green);
}
.page-news .series-grid__card:nth-child(2):hover {
  border-bottom-color: var(--news-blue);
}
.page-news .series-grid__card:nth-child(3):hover {
  border-bottom-color: var(--news-paper);
}
.page-news .series-grid__card img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-news .series-grid__card h3 {
  font-size: 18px;
  font-weight: 900;
  line-height: 1.35;
  margin: 0;
  color: var(--text-primary);
}
.page-news .series-grid__card p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--news-caption);
  margin: 0;
}
.page-news .series-grid__card .series-grid__link {
  margin-top: auto;
  align-self: flex-start;
}

/* ===== 桌面增强 ===== */
@media (min-width: 768px) {
  .page-news .page-news__chrome {
    padding-top: 28px;
  }
  .page-news .news-hero {
    padding: 56px 0 64px;
  }
  .page-news .news-hero__grid {
    grid-template-columns: 1fr 340px;
    align-items: center;
    gap: 48px;
  }
  .page-news .news-hero__stamp {
    justify-self: end;
    width: 100%;
  }
  .page-news .news-section {
    padding-top: 88px;
    padding-bottom: 44px;
  }
  .page-news .news-section + .news-section {
    padding-top: 60px;
  }
  .page-news .section__header {
    margin-bottom: 48px;
  }
  .page-news .updates__timeline {
    padding-left: 40px;
  }
  .page-news .updates__timeline::before {
    left: 10px;
  }
  .page-news .updates__item::before {
    left: -34px;
  }
  .page-news .updates__card {
    padding: 30px 28px;
  }
  .page-news .updates__card h3 {
    font-size: 22px;
  }
  .page-news .data-grid {
    grid-template-columns: 1.15fr 1fr;
    align-items: stretch;
  }
  .page-news .data-grid__chart {
    display: flex;
    flex-direction: column;
  }
  .page-news .data-grid__chart img {
    flex: 1;
    max-height: 340px;
    width: 100%;
    object-fit: cover;
  }
  .page-news .data-grid__chart p {
    margin-top: 18px;
  }
  .page-news .data-grid__stats {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .page-news .series-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    align-items: stretch;
  }
  .page-news .series-grid__card {
    padding: 26px 22px;
  }
}