.page-news {
  --news-gold-glow: rgba(249, 194, 46, 0.35);
  --news-purple-glow: rgba(157, 78, 221, 0.25);
  position: relative;
  background: var(--c-bg);
  overflow-x: hidden;
}

.page-news .container {
  position: relative;
  z-index: 2;
}

/* ===== 顶部 hero 区域 ===== */
.page-news .news-hero {
  position: relative;
  padding: calc(var(--header-h) + 32px) 0 40px;
  background:
    radial-gradient(ellipse 80% 60% at 85% 20%, var(--news-purple-glow), transparent 70%),
    radial-gradient(ellipse 60% 50% at 15% 85%, rgba(255, 42, 109, 0.12), transparent 70%),
    var(--c-bg);
  border-bottom: 1px solid var(--c-border-soft);
}

.page-news .news-hero::before {
  content: '';
  position: absolute;
  top: 20%;
  left: -80px;
  width: 200px;
  height: 200px;
  border: 40px solid rgba(255, 42, 109, 0.06);
  border-radius: 50%;
  pointer-events: none;
}

.page-news .news-hero::after {
  content: '';
  position: absolute;
  right: 5%;
  bottom: 8%;
  width: 120px;
  height: 120px;
  background: repeating-linear-gradient(135deg, rgba(249, 194, 46, 0.08) 0 2px, transparent 2px 10px);
  clip-path: polygon(25% 0%, 75% 0%, 100% 50%, 75% 100%, 25% 100%, 0% 50%);
  pointer-events: none;
}

.page-news .news-hero .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  font-size: 13px;
  color: var(--c-text-dim);
}

.page-news .news-hero .breadcrumb a {
  color: var(--c-text-dim);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-news .news-hero .breadcrumb a:hover {
  color: var(--c-gold);
}

.page-news .news-hero .breadcrumb [aria-current='page'] {
  color: var(--c-gold);
}

.page-news .news-hero__eyebrow {
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--c-pink);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.page-news .news-hero h1 {
  font-family: 'Arial Black', 'Impact', 'Hiragino Kaku Gothic Std', 'Noto Sans CJK SC', sans-serif;
  font-weight: 900;
  font-size: clamp(30px, 5vw, 54px);
  line-height: 1.08;
  letter-spacing: 0.02em;
  color: var(--c-text);
  text-transform: uppercase;
  margin: 0 0 14px;
  max-width: 900px;
}

.page-news .news-hero__lead {
  font-family: 'Noto Sans SC', 'Microsoft YaHei', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-text-dim);
  max-width: 640px;
  margin: 0;
}

.page-news .news-hero__banner {
  position: relative;
  margin-top: 32px;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--c-border);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.35);
}

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

.page-news .news-hero__banner-text {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 12px 16px;
  background: rgba(12, 8, 23, 0.78);
  border: 1px solid rgba(249, 194, 46, 0.28);
  border-radius: 2px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  font-size: 14px;
  color: var(--c-text);
}

.page-news .news-hero__banner-copy {
  font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  line-height: 1.5;
}

/* ===== 公告区 ===== */
.page-news .news-announce {
  padding: 56px 0 32px;
  position: relative;
}

.page-news .news-announce::after {
  content: '';
  display: block;
  height: 1px;
  background: var(--grad-gold-line);
  margin-top: 48px;
  opacity: 0.4;
}

.page-news .news-announce__grid {
  display: grid;
  gap: 20px;
  margin-top: 28px;
}

.page-news .news-announce__card {
  position: relative;
  display: flex;
  overflow: hidden;
  background: var(--c-surface);
  border: 1px solid var(--c-border-soft);
  border-radius: var(--radius);
  transition: transform var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out), background var(--dur) var(--ease-out);
}

.page-news .news-announce__card:hover {
  transform: translateY(-3px);
  border-color: var(--c-border);
  background: var(--c-surface-2);
}

.page-news .news-announce__bar {
  flex: 0 0 4px;
  align-self: stretch;
  background: var(--c-gold);
}

.page-news .news-announce__bar--gold {
  background: linear-gradient(180deg, var(--c-gold), rgba(249, 194, 46, 0.3));
}

.page-news .news-announce__bar--purple {
  background: linear-gradient(180deg, var(--c-pink), var(--c-purple));
}

.page-news .news-announce__body {
  flex: 1;
  padding: 22px 22px 24px;
}

.page-news .news-announce__body h3 {
  font-size: 20px;
  font-weight: 900;
  color: var(--c-text);
  margin: 12px 0 10px;
  letter-spacing: 0.01em;
}

.page-news .news-announce__body p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text-dim);
  margin: 0 0 18px;
}

.page-news .news-announce__body .btn {
  display: inline-block;
}

/* ===== 收录批次 ===== */
.page-news .news-batches {
  padding: 44px 0 32px;
  position: relative;
}

.page-news .news-batches__intro {
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-text-dim);
  max-width: 720px;
  margin: 12px 0 28px;
}

.page-news .news-batches__layout {
  display: grid;
  gap: 32px;
  align-items: start;
}

.page-news .news-batches__chart {
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--c-border);
  background: var(--c-bg-2);
  padding: 12px;
}

.page-news .news-batches__chart img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 2px;
}

.page-news .news-timeline {
  position: relative;
  padding-left: 32px;
}

.page-news .news-timeline::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: linear-gradient(180deg, transparent, var(--c-gold) 6%, var(--c-gold) 94%, transparent);
  opacity: 0.55;
}

.page-news .news-timeline__item {
  position: relative;
  margin-bottom: 18px;
  padding: 18px 20px;
  background: var(--c-surface);
  border: 1px solid var(--c-border-soft);
  border-radius: var(--radius);
  transition: transform var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out), background var(--dur) var(--ease-out);
}

.page-news .news-timeline__item::before {
  content: '';
  position: absolute;
  left: -30px;
  top: 26px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-gold);
  box-shadow: 0 0 0 4px var(--news-gold-glow), 0 0 18px rgba(249, 194, 46, 0.65);
}

.page-news .news-timeline__item:nth-child(even)::before {
  background: var(--c-pink);
  box-shadow: 0 0 0 4px rgba(255, 42, 109, 0.22), 0 0 18px rgba(255, 42, 109, 0.5);
}

.page-news .news-timeline__item:hover {
  transform: translateX(4px);
  border-color: rgba(249, 194, 46, 0.4);
  background: var(--c-surface-2);
}

.page-news .news-timeline__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.page-news .news-timeline__date {
  font-size: 12px;
  color: var(--c-text-dim);
  letter-spacing: 0.08em;
}

.page-news .news-timeline__item h3 {
  font-size: 18px;
  font-weight: 900;
  color: var(--c-text);
  margin: 0 0 8px;
  letter-spacing: 0.01em;
}

.page-news .news-timeline__item p {
  font-size: 13px;
  line-height: 1.65;
  color: var(--c-text-dim);
  margin: 0;
}

/* ===== 产品更新日志 ===== */
.page-news .news-logs {
  padding: 44px 0 48px;
  position: relative;
}

.page-news .news-logs::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--grad-gold-line);
  opacity: 0.35;
}

.page-news .news-logs__layout {
  display: grid;
  gap: 32px;
  margin-top: 28px;
}

.page-news .news-logs__image {
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--c-border);
  background: var(--c-bg-2);
  padding: 12px;
  max-width: 600px;
}

.page-news .news-logs__image img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 2px;
}

.page-news .news-logs__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-news .news-log {
  background: var(--c-surface);
  border: 1px solid var(--c-border-soft);
  border-radius: var(--radius);
  transition: border-color var(--dur) var(--ease-out), background var(--dur) var(--ease-out);
}

.page-news .news-log[open] {
  border-color: rgba(249, 194, 46, 0.28);
  background: var(--c-surface-2);
}

.page-news .news-log summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  flex-wrap: wrap;
}

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

.page-news .news-log summary::after {
  content: '+';
  margin-left: auto;
  font-size: 22px;
  font-weight: 400;
  color: var(--c-gold);
  transition: transform 0.3s var(--ease-out);
  line-height: 1;
}

.page-news .news-log[open] summary::after {
  transform: rotate(45deg);
}

.page-news .news-log__version {
  font-size: 13px;
  font-weight: 600;
  color: var(--c-gold);
  background: rgba(249, 194, 46, 0.08);
  border: 1px solid rgba(249, 194, 46, 0.2);
  padding: 3px 8px;
  border-radius: 2px;
  white-space: nowrap;
}

.page-news .news-log__title {
  font-size: 15px;
  font-weight: 700;
  color: var(--c-text);
  line-height: 1.4;
}

.page-news .news-log__body {
  padding: 0 18px 18px;
  border-top: 1px solid var(--c-border-soft);
  margin-top: 0;
}

.page-news .news-log__body p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-text-dim);
  margin: 12px 0 0;
}

.page-news .news-log__tiers {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
  display: grid;
  gap: 8px;
}

.page-news .news-log__tiers li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 13px;
  color: var(--c-text-dim);
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.03);
  border-left: 3px solid var(--c-pink);
  border-radius: 2px;
  line-height: 1.5;
}

.page-news .news-log__tiers li:nth-child(3) {
  border-left-color: var(--c-gold);
}

.page-news .news-log__tiers li:nth-child(5) {
  border-left-color: var(--c-purple);
}

.page-news .news-log__tiers .mono {
  color: var(--c-gold);
  font-size: 12px;
  min-width: 44px;
  flex-shrink: 0;
}

/* ===== 专题观察 ===== */
.page-news .news-feature {
  padding: 48px 0 64px;
  position: relative;
}

.page-news .news-feature::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--grad-gold-line);
  opacity: 0.35;
}

.page-news .news-feature__layout {
  display: grid;
  gap: 28px;
  margin-top: 28px;
}

.page-news .news-feature__media {
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--c-border);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.3);
}

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

.page-news .news-feature__content p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-text-dim);
  margin: 0 0 16px;
}

.page-news .news-feature__content p:first-of-type {
  color: var(--c-text);
}

.page-news .news-feature__content blockquote {
  margin: 20px 0;
  padding: 14px 18px;
  border-left: 4px solid var(--c-gold);
  background: rgba(249, 194, 46, 0.06);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.7;
  color: var(--c-text);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.page-news .news-feature__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-news .news-feature__actions .btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ===== 平板断点 ===== */
@media (min-width: 768px) {
  .page-news .news-hero__banner-text {
    left: 24px;
    right: auto;
    bottom: 24px;
    padding: 14px 20px;
    font-size: 15px;
  }

  .page-news .news-announce {
    padding: 64px 0 40px;
  }

  .page-news .news-announce__grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .page-news .news-announce__body {
    padding: 24px 24px 26px;
  }

  .page-news .news-batches {
    padding: 56px 0 40px;
  }

  .page-news .news-timeline__item {
    padding: 20px 22px;
  }

  .page-news .news-logs {
    padding: 56px 0 56px;
  }

  .page-news .news-log__title {
    font-size: 16px;
  }

  .page-news .news-feature {
    padding: 56px 0 72px;
  }
}

/* ===== 桌面断点 ===== */
@media (min-width: 992px) {
  .page-news .news-hero {
    padding: calc(var(--header-h) + 48px) 0 56px;
  }

  .page-news .news-hero h1 {
    font-size: 56px;
  }

  .page-news .news-hero__lead {
    font-size: 17px;
  }

  .page-news .news-hero__banner {
    margin-top: 40px;
  }

  .page-news .news-announce__body h3 {
    font-size: 21px;
  }

  .page-news .news-batches__layout {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 40px;
  }

  .page-news .news-batches__chart {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-news .news-timeline__item p {
    font-size: 14px;
  }

  .page-news .news-logs__layout {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: 40px;
    align-items: start;
  }

  .page-news .news-logs__image {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-news .news-feature__layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 44px;
    align-items: center;
  }

  .page-news .news-feature__content p {
    font-size: 15px;
  }
}

/* ===== 窄屏安全 ===== */
@media (max-width: 360px) {
  .page-news .news-hero__banner-text {
    left: 8px;
    right: 8px;
    bottom: 8px;
    padding: 10px;
    flex-direction: column;
    align-items: flex-start;
  }

  .page-news .news-timeline {
    padding-left: 26px;
  }

  .page-news .news-timeline__item::before {
    left: -26px;
  }

  .page-news .news-log summary {
    padding: 14px;
  }

  .page-news .news-log__body {
    padding: 0 14px 14px;
  }
}

/* ===== 减少动效偏好 ===== */
@media (prefers-reduced-motion: reduce) {
  .page-news .news-announce__card,
  .page-news .news-timeline__item,
  .page-news .news-log summary::after {
    transition: none;
    transform: none;
  }

  .page-news .news-announce__card:hover,
  .page-news .news-timeline__item:hover {
    transform: none;
  }
}