.page-news {
  --news-radius: 4px 4px 4px 22px;
  background: var(--color-light-bg);
  color: var(--color-text-dark);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-news *,
.page-news *::before,
.page-news *::after {
  box-sizing: border-box;
}

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

.page-news a {
  text-decoration: none;
  transition: color 0.3s var(--ease-out), background-color 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}

/* 面包屑 */
.page-news__breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding-top: var(--space-4);
  padding-bottom: var(--space-2);
  font-size: 14px;
  color: var(--color-alt-gray);
}

.page-news__breadcrumb a {
  color: var(--color-primary);
  font-weight: 500;
}

.page-news__breadcrumb a:hover {
  color: var(--color-secondary);
}

.page-news__breadcrumb-sep {
  color: var(--color-alt-gray);
}

/* 首屏 */
.page-news__hero {
  position: relative;
  background: linear-gradient(135deg, var(--color-dark-bg) 0%, #14306e 60%, var(--color-dark-bg) 100%);
  color: var(--color-text-light);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 40px), 0 100%);
  padding: var(--space-5) 0 var(--space-6);
}

.page-news__hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(45deg, transparent, transparent 14px, rgba(255, 179, 0, 0.03) 14px, rgba(255, 179, 0, 0.03) 15px);
  z-index: 0;
}

.page-news__hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.page-news__hero-copy {
  max-width: 680px;
}

.page-news__hero-kicker {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-heading);
  letter-spacing: 0.18em;
  font-size: 13px;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
}

.page-news__hero-live {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(0, 230, 118, 0.2);
  animation: page-news-blink 1.4s ease-in-out infinite;
}

.page-news__hero h1 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(44px, 9vw, 88px);
  line-height: 0.95;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--color-text-light);
}

.page-news__hero-desc {
  margin-top: var(--space-3);
  font-size: 16px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.85);
  max-width: 540px;
}

.page-news__hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.page-news__hero-stat {
  display: flex;
  flex-direction: column;
}

.page-news__hero-stat-num {
  font-family: var(--font-heading);
  font-size: 28px;
  line-height: 1.1;
  color: var(--color-primary);
}

.page-news__hero-stat-label {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.65);
  margin-top: 4px;
  text-transform: uppercase;
}

/* 数据脉冲视觉 */
.page-news__hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-news__data-panel {
  width: 280px;
  padding: var(--space-3);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--news-radius);
  box-shadow: var(--shadow-pop);
}

.page-news__data-panel-head {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-heading);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--color-text-light);
  margin-bottom: var(--space-3);
}

.page-news__data-panel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 10px var(--color-accent);
  animation: page-news-blink 1.4s ease-in-out infinite;
}

.page-news__data-bars {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  height: 120px;
}

.page-news__data-bar {
  flex: 1;
  background: linear-gradient(to top, var(--color-primary) 0%, var(--color-primary-soft) 100%);
  border-radius: 2px 2px 0 0;
  transform-origin: bottom;
  animation: page-news-rise 1s var(--ease-out) both;
}

.page-news__data-bar--1 { height: 42%; animation-delay: 0.05s; }
.page-news__data-bar--2 { height: 68%; animation-delay: 0.15s; }
.page-news__data-bar--3 { height: 55%; animation-delay: 0.25s; }
.page-news__data-bar--4 { height: 88%; animation-delay: 0.35s; }
.page-news__data-bar--5 { height: 72%; animation-delay: 0.45s; }

.page-news__data-panel-foot {
  margin-top: var(--space-3);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.5);
  text-align: right;
}

/* 头条新闻 */
.page-news__featured {
  padding-top: var(--space-5);
}

.page-news__featured-card {
  display: flex;
  flex-direction: column;
  background: var(--color-text-light);
  border-radius: var(--news-radius);
  overflow: hidden;
  box-shadow: 0 20px 48px rgba(10, 30, 60, 0.12);
}

.page-news__featured-copy {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.page-news__featured-copy h2 {
  margin: var(--space-2) 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1.1;
  color: var(--color-secondary);
}

.page-news__featured-desc {
  margin: 0 0 var(--space-3);
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-alt-gray);
}

.page-news__featured-media img {
  width: 100%;
  height: 100%;
  min-height: 200px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

/* 标签 */
.page-news__tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  border-radius: 2px;
  white-space: nowrap;
}

.page-news__tag--gold {
  background: var(--color-primary);
  color: var(--color-secondary);
}

.page-news__tag--data {
  background: rgba(255, 179, 0, 0.15);
  color: #b38600;
}

.page-news__tag--lineup {
  background: rgba(0, 230, 118, 0.15);
  color: #008a43;
}

.page-news__tag--version {
  background: rgba(10, 30, 60, 0.1);
  color: var(--color-secondary);
}

.page-news__tag--platform {
  background: rgba(10, 30, 60, 0.1);
  color: var(--color-secondary);
}

.page-news__tag--partner {
  background: rgba(10, 30, 60, 0.1);
  color: var(--color-secondary);
}

/* 分类筛选 */
.page-news__filters {
  padding-top: var(--space-4);
  padding-bottom: var(--space-2);
}

.page-news__filter-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-news__filter-btn {
  display: inline-block;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-secondary);
  background: var(--color-text-light);
  border: 1px solid var(--color-grid-line);
  border-radius: 99px;
  transition: background-color 0.3s var(--ease-out), color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.page-news__filter-btn:hover,
.page-news__filter-btn:focus-visible {
  background: var(--color-primary);
  color: var(--color-secondary);
  box-shadow: 0 8px 24px rgba(255, 179, 0, 0.35);
}

.page-news__filter-btn--data:hover { background: var(--color-primary); }
.page-news__filter-btn--lineup:hover { background: var(--color-accent); }
.page-news__filter-btn--version:hover { background: var(--color-secondary); color: var(--color-text-light); }
.page-news__filter-btn--platform:hover { background: var(--color-secondary); color: var(--color-text-light); }
.page-news__filter-btn--partner:hover { background: var(--color-accent); }

/* 新闻列表 */
.page-news__list {
  scroll-margin-top: 120px;
  padding-top: var(--space-2);
  padding-bottom: var(--space-5);
}

.page-news__list-head {
  margin-bottom: var(--space-4);
}

.page-news__timeline {
  display: flex;
  flex-direction: column;
}

.page-news__item {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  scroll-margin-top: 140px;
}

.page-news__item-rail {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  width: 24px;
  flex-shrink: 0;
}

.page-news__item-rail::before {
  content: "";
  position: absolute;
  top: 18px;
  bottom: -24px;
  left: 50%;
  width: 2px;
  background: var(--color-grid-line);
  transform: translateX(-50%);
}

.page-news__item:last-child .page-news__item-rail::before {
  display: none;
}

.page-news__item-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-primary);
  margin-top: 20px;
  box-shadow: 0 0 0 4px rgba(255, 179, 0, 0.2);
  z-index: 1;
}

.page-news__item--lineup .page-news__item-dot {
  background: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(0, 230, 118, 0.2);
}

.page-news__item-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--color-text-light);
  border-radius: var(--news-radius);
  padding: var(--space-3);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
  transition: box-shadow 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}

.page-news__item-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-pop);
}

.page-news__item:target .page-news__item-card {
  box-shadow: 0 0 0 2px var(--color-primary), 0 18px 40px rgba(10, 30, 60, 0.15);
}

.page-news__item-img {
  margin: calc(var(--space-3) * -1) calc(var(--space-3) * -1) var(--space-3);
}

.page-news__item-img img {
  width: 100%;
  height: 160px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-news__item-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-news__item-tags {
  margin-bottom: var(--space-2);
}

.page-news__item-title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: 20px;
  line-height: 1.2;
  color: var(--color-secondary);
  letter-spacing: 0.01em;
}

.page-news__item-desc {
  margin: 0 0 var(--space-3);
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-alt-gray);
}

.page-news__item-link {
  margin-top: auto;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  border-bottom: 2px solid rgba(255, 179, 0, 0.35);
  padding-bottom: 2px;
}

.page-news__item-link:hover {
  color: var(--color-secondary);
  border-bottom-color: var(--color-primary);
}

.page-news__list-more {
  display: flex;
  justify-content: center;
  margin-top: var(--space-4);
}

/* 订阅联系 */
.page-news__subscribe {
  background: var(--color-dark-bg);
  color: var(--color-text-light);
  position: relative;
  clip-path: polygon(0 40px, 100% 0, 100% 100%, 0 100%);
  padding: var(--space-6) 0 var(--space-5);
}

.page-news__subscribe::before {
  content: "";
  position: absolute;
  top: 40px;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
}

.page-news__subscribe-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.page-news__subscribe-kicker {
  font-family: var(--font-heading);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--color-primary);
  margin: 0 0 var(--space-2);
  text-transform: uppercase;
}

.page-news__subscribe h2 {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1.05;
  color: var(--color-text-light);
}

.page-news__subscribe-copy p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.8);
  max-width: 640px;
}

.page-news__subscribe-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* 按钮微调（继承共享按钮，仅调整间距与明暗） */
.page-news .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 99px;
}

.page-news .btn--primary {
  background: var(--color-primary);
  color: var(--color-secondary);
}

.page-news .btn--primary:hover {
  background: var(--color-primary-soft);
  transform: translateY(-2px);
}

.page-news .btn--ghost {
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: var(--color-text-light);
}

.page-news .btn--ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}

/* 动画 */
@keyframes page-news-blink {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

@keyframes page-news-rise {
  0% { transform: scaleY(0); opacity: 0.3; }
  100% { transform: scaleY(1); opacity: 1; }
}

/* ===== 桌面端 ===== */
@media (min-width: 768px) {
  .page-news__hero {
    padding: var(--space-6) 0 var(--space-6);
  }

  .page-news__hero-inner {
    flex-direction: row;
    align-items: center;
    gap: var(--space-5);
  }

  .page-news__hero-copy {
    flex: 1.2;
  }

  .page-news__hero-visual {
    flex: 0.8;
  }

  .page-news__data-panel {
    width: 320px;
    padding: var(--space-4);
  }

  .page-news__data-bars {
    height: 140px;
  }

  .page-news__featured-card {
    flex-direction: row;
    align-items: stretch;
  }

  .page-news__featured-copy {
    flex: 1;
    padding: var(--space-5);
  }

  .page-news__featured-media {
    flex: 1;
  }

  .page-news__featured-media img {
    min-height: 100%;
  }

  .page-news__filter-list {
    flex-wrap: wrap;
    justify-content: center;
  }

  .page-news__item {
    gap: var(--space-4);
  }

  .page-news__item-rail {
    width: 32px;
  }

  .page-news__item-card {
    flex-direction: row;
    padding: var(--space-4);
  }

  .page-news__item-img {
    flex: 0 0 220px;
    margin: calc(var(--space-4) * -1) var(--space-4) calc(var(--space-4) * -1) calc(var(--space-4) * -1);
  }

  .page-news__item-img img {
    height: 100%;
    min-height: 180px;
    width: 220px;
  }

  .page-news__item-card--plain {
    flex-direction: column;
  }

  .page-news__item-content {
    padding: var(--space-2) 0;
  }

  .page-news__item-title {
    font-size: 22px;
  }

  .page-news__subscribe-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .page-news__subscribe-copy {
    flex: 1;
  }

  .page-news__subscribe-actions {
    flex: 0 0 auto;
  }
}

@media (min-width: 1024px) {
  .page-news__hero-desc {
    font-size: 18px;
  }

  .page-news__hero-stat-num {
    font-size: 36px;
  }

  .page-news__featured-copy h2 {
    font-size: 44px;
  }

  .page-news__featured-desc {
    font-size: 16px;
  }

  .page-news__item-card {
    padding: var(--space-4);
  }
}