.page-news {
  --news-hero-gap: clamp(1.5rem, 4vw, 3rem);
  --news-card-radius: 0.75rem;
  --tabs-label-padding: 0.625rem 1.25rem;
  color: var(--color-warm-white);
  background-color: var(--color-primary);
  position: relative;
}

/* ── 面包屑 ── */
.page-news .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.25rem 0;
  font-size: var(--font-small);
  color: var(--color-soft-purple);
  max-width: var(--max-width);
  margin-inline: auto;
}
.page-news .breadcrumb a {
  color: var(--color-accent-blue);
  text-decoration: none;
  transition: color 0.2s;
}
.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  color: var(--color-accent-yellow);
}
.page-news .breadcrumb .separator {
  color: var(--color-accent-purple);
  opacity: 0.6;
}

/* ── 杂志首屏 ── */
.page-news .news-hero {
  display: flex;
  flex-direction: column;
  gap: var(--news-hero-gap);
  padding: 1.5rem 1.25rem 2rem;
  max-width: var(--max-width);
  margin-inline: auto;
}
.page-news .news-hero__content {
  order: 1;
}
.page-news .news-hero h1 {
  font-size: clamp(2rem, 6vw, var(--font-h1));
  font-weight: 800;
  letter-spacing: 0.03em;
  background: linear-gradient(135deg, var(--color-accent-yellow), var(--color-accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0 0 0.5rem;
  line-height: 1.15;
}
.page-news .news-hero__subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  font-weight: 600;
  color: var(--color-accent-blue);
  letter-spacing: 0.04em;
  margin: 0 0 0.75rem;
}
.page-news .news-hero__desc {
  font-size: var(--font-body);
  line-height: 1.7;
  color: rgba(245, 245, 245, 0.8);
  max-width: 54ch;
  margin: 0;
}
.page-news .news-hero__visual {
  order: 0;
  position: relative;
  border-radius: var(--news-card-radius);
  overflow: hidden;
  background: var(--color-dark-gray);
  aspect-ratio: 2 / 1;
}
.page-news .news-hero__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.page-news .news-hero__visual:hover img {
  transform: scale(1.02);
}

/* ── 标签页系统 ── */
.page-news .news-tabs {
  max-width: var(--max-width);
  margin-inline: auto;
  padding: 0 1.25rem 2.5rem;
  position: relative;
}

/* 隐藏原生 radio */
.page-news .tabs-radio {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  width: 0;
  height: 0;
}

.page-news .news-tabs__nav {
  display: flex;
  gap: 0.25rem;
  background: rgba(123, 45, 142, 0.12);
  border-radius: 0.5rem;
  padding: 0.375rem;
  margin-bottom: 1.75rem;
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}
.page-news .tabs-label {
  flex: 1 1 auto;
  min-width: 6rem;
  text-align: center;
  padding: var(--tabs-label-padding);
  font-size: var(--font-small);
  font-weight: 600;
  letter-spacing: 0.03em;
  color: rgba(245, 245, 245, 0.6);
  background: transparent;
  border-radius: 0.375rem;
  cursor: pointer;
  transition: background 0.25s, color 0.25s, box-shadow 0.25s;
  user-select: none;
}
.page-news .tabs-label:hover {
  color: var(--color-accent-yellow);
  background: rgba(255, 215, 0, 0.08);
}

/* 选中态 */
#tab-brand:checked ~ .news-tabs__nav label[for="tab-brand"],
#tab-insight:checked ~ .news-tabs__nav label[for="tab-insight"],
#tab-resource:checked ~ .news-tabs__nav label[for="tab-resource"] {
  color: var(--color-primary);
  background: var(--color-accent-yellow);
  box-shadow: 0 0 12px rgba(255, 215, 0, 0.3);
}

/* ── 面板容器 ── */
.page-news .news-tabs__panels {
  position: relative;
}
.page-news .news-tabs__panel {
  display: none;
  animation: panelFadeIn 0.35s ease;
}
@keyframes panelFadeIn {
  from { opacity: 0; transform: translateY(0.5rem); }
  to { opacity: 1; transform: translateY(0); }
}

#tab-brand:checked ~ .news-tabs__panels #panel-brand,
#tab-insight:checked ~ .news-tabs__panels #panel-insight,
#tab-resource:checked ~ .news-tabs__panels #panel-resource {
  display: block;
}

/* ── 品牌动态面板 ── */
.page-news .brand-dynamic {
  background: rgba(11, 29, 58, 0.6);
  border: 1px solid rgba(123, 45, 142, 0.25);
  border-radius: var(--news-card-radius);
  padding: 1.5rem 1.25rem;
}
.page-news .brand-dynamic__grid {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.page-news .brand-dynamic__text p {
  margin: 0 0 0.75rem;
  line-height: 1.7;
  font-size: var(--font-body);
  color: rgba(245, 245, 245, 0.85);
}
.page-news .brand-dynamic__text p:last-child {
  margin-bottom: 0;
}
.page-news .brand-dynamic__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.page-news .stat-item {
  flex: 1 1 100px;
  background: rgba(0, 212, 255, 0.06);
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: 0.5rem;
  padding: 1rem 0.75rem;
  text-align: center;
  transition: border-color 0.25s, background 0.25s;
}
.page-news .stat-item:hover {
  border-color: var(--color-accent-yellow);
  background: rgba(255, 215, 0, 0.06);
}
.page-news .stat-value {
  display: block;
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  font-weight: 800;
  color: var(--color-accent-yellow);
  letter-spacing: 0.02em;
  margin-bottom: 0.25rem;
}
.page-news .stat-label {
  display: block;
  font-size: var(--font-small);
  color: rgba(245, 245, 245, 0.6);
  letter-spacing: 0.02em;
}

/* ── 行业洞察面板 ── */
.page-news .insight-header {
  margin-bottom: 1.5rem;
}
.page-news .insight-header__desc {
  font-size: var(--font-body);
  color: rgba(245, 245, 245, 0.7);
  margin: 0.5rem 0 0;
  max-width: 48ch;
}
.page-news .news-card-grid {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.page-news .news-card {
  display: flex;
  flex-direction: column;
  background: rgba(11, 29, 58, 0.7);
  border: 1px solid rgba(123, 45, 142, 0.2);
  border-radius: var(--news-card-radius);
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.2s;
  cursor: default;
}
.page-news .news-card:hover,
.page-news .news-card:focus-within {
  border-color: var(--color-accent-purple);
  box-shadow: 0 4px 24px rgba(123, 45, 142, 0.2);
  transform: translateY(-2px);
}
.page-news .news-card__img-wrap {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-dark-gray);
  flex-shrink: 0;
}
.page-news .news-card__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.page-news .news-card:hover .news-card__img-wrap img {
  transform: scale(1.04);
}
.page-news .news-card__body {
  padding: 1rem 1.125rem 1.125rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.page-news .news-card__body--full {
  padding-top: 1.125rem;
}
.page-news .news-card h3 {
  font-size: var(--font-h3);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-warm-white);
  margin: 0 0 0.5rem;
  line-height: 1.3;
}
.page-news .news-card__excerpt {
  max-height: 4.5em;
  overflow: hidden;
  transition: max-height 0.4s ease;
  position: relative;
  color: rgba(245, 245, 245, 0.75);
  font-size: var(--font-body);
  line-height: 1.6;
}
.page-news .news-card__excerpt::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1.5em;
  background: linear-gradient(transparent, rgba(11, 29, 58, 0.9));
  pointer-events: none;
  transition: opacity 0.3s;
}
.page-news .news-card__excerpt p {
  margin: 0 0 0.5rem;
}
.page-news .news-card__excerpt p:last-child {
  margin-bottom: 0;
}
.page-news .news-card:hover .news-card__excerpt,
.page-news .news-card:focus-within .news-card__excerpt {
  max-height: 30em;
}
.page-news .news-card:hover .news-card__excerpt::after,
.page-news .news-card:focus-within .news-card__excerpt::after {
  opacity: 0;
}
.page-news .news-card__hint {
  display: block;
  margin-top: 0.5rem;
  font-size: var(--font-small);
  color: var(--color-accent-purple);
  letter-spacing: 0.03em;
  opacity: 0.7;
  transition: opacity 0.25s;
}
.page-news .news-card:hover .news-card__hint,
.page-news .news-card:focus-within .news-card__hint {
  opacity: 0;
}
.page-news .news-card-grid__footer {
  margin-top: 1.5rem;
  text-align: center;
}
.page-news .btn-primary {
  display: inline-block;
  background: var(--color-accent-yellow);
  color: var(--color-primary);
  font-weight: 700;
  font-size: var(--font-small);
  letter-spacing: 0.04em;
  padding: 0.7rem 1.75rem;
  border-radius: 0.375rem;
  text-decoration: none;
  transition: background 0.25s, box-shadow 0.25s, transform 0.2s;
}
.page-news .btn-primary:hover,
.page-news .btn-primary:focus-visible {
  background: var(--color-accent-blue);
  color: var(--color-primary);
  box-shadow: 0 0 16px rgba(0, 212, 255, 0.35);
  transform: scale(1.02);
}

/* ── 资源索引面板 ── */
.page-news .resource-index {
  background: rgba(11, 29, 58, 0.5);
  border: 1px solid rgba(123, 45, 142, 0.2);
  border-radius: var(--news-card-radius);
  padding: 1.5rem 1.25rem;
}
.page-news .resource-index__grid {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 1.25rem;
}
.page-news .resource-item {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 0.5rem;
  border: 1px solid rgba(255, 215, 0, 0.08);
  transition: border-color 0.25s, background 0.25s;
}
.page-news .resource-item:hover {
  border-color: rgba(255, 215, 0, 0.25);
  background: rgba(255, 215, 0, 0.04);
}
.page-news .resource-item__icon {
  flex-shrink: 0;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 0.5rem;
  overflow: hidden;
  background: var(--color-dark-gray);
}
.page-news .resource-item__icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.page-news .resource-item__content {
  flex: 1;
}
.page-news .resource-item__content h3 {
  font-size: var(--font-h3);
  font-weight: 700;
  color: var(--color-accent-yellow);
  margin: 0 0 0.375rem;
  letter-spacing: 0.02em;
}
.page-news .resource-item__content p {
  font-size: var(--font-body);
  color: rgba(245, 245, 245, 0.7);
  line-height: 1.6;
  margin: 0 0 0.5rem;
}
.page-news .resource-link {
  display: inline-block;
  font-size: var(--font-small);
  font-weight: 600;
  color: var(--color-accent-blue);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color 0.2s;
}
.page-news .resource-link:hover,
.page-news .resource-link:focus-visible {
  color: var(--color-accent-yellow);
  text-decoration: underline;
}

/* ── 装饰区 ── */
.page-news .news-decor {
  max-width: var(--max-width);
  margin-inline: auto;
  padding: 0 1.25rem 3rem;
}
.page-news .news-decor__inner {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  align-items: center;
  padding: 1.5rem 0;
}
.page-news .data-flow-line {
  display: block;
  width: 4rem;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent-purple), var(--color-accent-blue), var(--color-accent-purple));
  border-radius: 1px;
  opacity: 0.4;
  animation: flowPulse 2.8s ease-in-out infinite alternate;
}
.page-news .data-flow-line:nth-child(2) {
  width: 6rem;
  animation-delay: 0.6s;
  opacity: 0.5;
}
.page-news .data-flow-line:nth-child(3) {
  width: 3rem;
  animation-delay: 1.2s;
  opacity: 0.3;
}
@keyframes flowPulse {
  0% { opacity: 0.2; transform: scaleX(0.9); }
  100% { opacity: 0.6; transform: scaleX(1.1); }
}

/* ── 渐进增强：section-title 复写 ── */
.page-news .section-title {
  font-size: var(--font-h2);
  font-weight: 800;
  letter-spacing: 0.03em;
  background: linear-gradient(135deg, var(--color-accent-yellow), var(--color-accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0 0 0.5rem;
  padding-bottom: 0.5rem;
  position: relative;
}
.page-news .section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 3rem;
  height: 3px;
  background: var(--color-accent-purple);
  border-radius: 2px;
}

/* ── 桌面端媒体查询 ── */
@media (min-width: 768px) {
  .page-news .breadcrumb {
    padding: 1.25rem 2rem 0;
  }

  .page-news .news-hero {
    flex-direction: row;
    align-items: center;
    padding: 2rem 2rem 2.5rem;
    gap: 2.5rem;
  }
  .page-news .news-hero__content {
    order: 0;
    flex: 0 0 42%;
  }
  .page-news .news-hero__visual {
    order: 1;
    flex: 1;
    aspect-ratio: 5 / 3;
    min-height: 280px;
  }
  .page-news .news-hero h1 {
    font-size: var(--font-h1);
  }

  .page-news .news-tabs {
    padding: 0 2rem 3rem;
  }
  .page-news .news-tabs__nav {
    gap: 0.5rem;
    padding: 0.5rem;
  }
  .page-news .tabs-label {
    font-size: var(--font-body);
    padding: 0.75rem 2rem;
  }

  .page-news .brand-dynamic {
    padding: 2rem 2.5rem;
  }
  .page-news .brand-dynamic__grid {
    flex-direction: row;
    align-items: flex-start;
    gap: 2.5rem;
  }
  .page-news .brand-dynamic__text {
    flex: 1;
  }
  .page-news .brand-dynamic__stats {
    flex: 0 0 260px;
    flex-direction: column;
    gap: 0.75rem;
  }
  .page-news .stat-item {
    flex: none;
    padding: 1.25rem 1rem;
  }

  .page-news .news-card-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }
  .page-news .news-card:first-child {
    grid-column: 1 / -1;
    flex-direction: row;
  }
  .page-news .news-card:first-child .news-card__img-wrap {
    flex: 0 0 35%;
    aspect-ratio: 4 / 3;
  }
  .page-news .news-card:first-child .news-card__body {
    flex: 1;
  }
  .page-news .news-card:not(:first-child) {
    flex-direction: column;
  }
  .page-news .news-card:not(:first-child) .news-card__img-wrap {
    flex: none;
  }

  .page-news .resource-index {
    padding: 2rem 2.5rem;
  }
  .page-news .resource-index__grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1.25rem;
  }
  .page-news .resource-item {
    padding: 1.25rem;
  }
  .page-news .resource-item__icon {
    width: 4rem;
    height: 4rem;
  }

  .page-news .news-decor {
    padding: 0 2rem 4rem;
  }
  .page-news .data-flow-line {
    width: 6rem;
  }
  .page-news .data-flow-line:nth-child(2) {
    width: 10rem;
  }
  .page-news .data-flow-line:nth-child(3) {
    width: 4rem;
  }
}

@media (min-width: 1024px) {
  .page-news .news-hero {
    padding: 2.5rem 2rem 3rem;
    gap: 3.5rem;
  }
  .page-news .news-hero__visual {
    aspect-ratio: 2 / 1;
  }
  .page-news .news-card-grid {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1.5rem;
  }
  .page-news .news-card:first-child {
    grid-column: 1 / 3;
    grid-row: 1 / 2;
  }
  .page-news .news-card:first-child .news-card__img-wrap {
    flex: 0 0 40%;
  }
  .page-news .resource-index__grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

/* ── 宽屏微调 ── */
@media (min-width: 1280px) {
  .page-news .news-hero {
    padding: 3rem 0 3.5rem;
  }
  .page-news .news-tabs {
    padding: 0 0 3.5rem;
  }
  .page-news .news-decor {
    padding: 0 0 5rem;
  }
}