.page-news {
  --news-media-ratio: 3 / 2;
  --news-muted-white: rgba(255, 255, 255, 0.78);
  --news-accent-soft: rgba(255, 107, 53, 0.18);
  background: var(--color-bg);
  color: var(--color-text);
}

/* ========== Hero ========== */
.page-news .page-news__hero {
  position: relative;
}

.page-news .page-news__hero .breadcrumb {
  margin-bottom: 1.5rem;
}

.page-news .page-news__hero-grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

.page-news .page-news__hero-copy .kicker {
  letter-spacing: 0.08em;
}

.page-news .page-news__hero-copy h1 {
  font-family: var(--font-headline);
  font-size: clamp(2.4rem, 7vw, 4.4rem);
  line-height: 0.98;
  letter-spacing: 0.01em;
  margin: 0.6rem 0 1rem;
  color: var(--color-surface);
}

.page-news .page-news__hero-copy h1::after {
  content: "";
  display: inline-block;
  width: 14px;
  height: 14px;
  margin-left: 0.5rem;
  background: var(--color-accent);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.page-news .page-news__hero-copy .page-hero__intro {
  color: var(--news-muted-white);
  max-width: 34rem;
  line-height: 1.75;
}

.page-news .page-news__hero-frame {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 1.4rem;
  position: relative;
}

.page-news .page-news__hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.4rem 0 1rem;
}

.page-news .page-news__stat {
  background: var(--color-surface);
  border: 0;
  padding: 1.2rem 1rem;
}

.page-news .page-news__stat .stat-card__value {
  color: var(--color-primary);
  font-size: 1.7rem;
  line-height: 1.2;
}

.page-news .page-news__stat .stat-card__label {
  color: var(--color-text-muted);
  font-size: 0.82rem;
}

/* ========== 章节通用双栏 ========== */
.page-news .page-news__section-grid {
  display: grid;
  gap: 2rem;
}

.page-news .chapter .chapter__num {
  font-family: var(--font-headline);
  font-size: clamp(2.8rem, 6vw, 4rem);
  line-height: 1;
  color: var(--color-accent);
}

.page-news .chapter .chapter__label {
  font-family: var(--font-headline);
  font-size: clamp(1.2rem, 2.4vw, 1.7rem);
  letter-spacing: 0.04em;
  margin: 0;
}

.page-news .chapter .chapter__en {
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-text-muted);
}

/* ========== 最新发布列表 ========== */
.page-news .page-news__latest-list {
  display: grid;
  gap: 1.5rem;
}

.page-news .page-news__filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 0 1.2rem;
  border-bottom: 2px solid var(--color-accent);
  margin-bottom: 0.4rem;
}

.page-news .page-news__filter-label {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text-muted);
  margin-right: 0.25rem;
}

.page-news .page-news__filter-link {
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

.page-news .page-news__filter-link:hover,
.page-news .page-news__filter-link:focus-visible {
  background: var(--color-accent);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.page-news .page-news__article {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 1.8rem;
  scroll-margin-top: calc(var(--header-height) + 1rem);
}

.page-news .page-news__article:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-news .page-news__article--featured {
  display: grid;
  gap: 1.4rem;
  padding-bottom: 2rem;
}

.page-news .page-news__media {
  position: relative;
  overflow: hidden;
  background: var(--color-primary-light);
  line-height: 0;
}

.page-news .page-news__media::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 38%;
  height: 100%;
  background: linear-gradient(120deg, transparent 48%, var(--news-accent-soft) 48%);
  pointer-events: none;
}

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

.page-news .page-news__article--featured .page-news__title {
  font-size: clamp(1.45rem, 3vw, 2rem);
  line-height: 1.16;
}

.page-news .page-news__content {
  min-width: 0;
}

.page-news .page-news__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.6rem;
}

.page-news .page-news__date {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.page-news .page-news__title {
  font-family: var(--font-headline);
  font-size: clamp(1.22rem, 2.4vw, 1.65rem);
  line-height: 1.2;
  margin: 0 0 0.75rem;
  color: var(--color-primary);
}

.page-news .page-news__summary {
  margin: 0;
  line-height: 1.75;
  color: var(--color-text);
}

.page-news .page-news__expand {
  margin-top: 1rem;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: 0.9rem 1.1rem;
}

.page-news .page-news__expand summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-primary);
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

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

.page-news .page-news__expand summary::before {
  content: "+";
  color: var(--color-accent);
  font-weight: 700;
  font-size: 1.1rem;
  line-height: 1;
}

.page-news .page-news__expand[open] summary::before {
  content: "–";
}

.page-news .page-news__expand p {
  margin: 0.75rem 0 0;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text);
}

.page-news .page-news__article--row {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 1rem;
  align-items: start;
}

.page-news .page-news__row-num {
  font-family: var(--font-headline);
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 1;
  color: var(--color-primary);
  opacity: 0.22;
  display: block;
  padding-top: 0.2rem;
}

.page-news .page-news__media--inline {
  margin-top: 1.2rem;
}

/* ========== 专题系列 ========== */
.page-news .page-news__featured {
  background: linear-gradient(135deg, var(--color-primary) 70%, var(--color-primary-light));
  color: var(--color-surface);
  padding: clamp(2.5rem, 6vw, 5rem) 0;
  position: relative;
  overflow: hidden;
}

.page-news .page-news__featured::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 240px;
  height: 240px;
  background: linear-gradient(135deg, transparent 25%, var(--news-accent-soft) 25%);
  opacity: 0.5;
}

.page-news .page-news__featured .chapter .chapter__num {
  color: var(--color-accent);
}

.page-news .page-news__featured .chapter .chapter__label {
  color: var(--color-surface);
}

.page-news .page-news__featured .chapter .chapter__en {
  color: rgba(255, 255, 255, 0.55);
}

.page-news .page-news__feature-list {
  display: grid;
  gap: 1.5rem;
}

.page-news .page-news__feature {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.16);
  padding: 1.6rem;
  position: relative;
  display: grid;
  gap: 1.2rem;
}

.page-news .page-news__feature::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 56px;
  height: 4px;
  background: var(--color-accent);
}

.page-news .page-news__feature-title {
  font-family: var(--font-headline);
  font-size: clamp(1.3rem, 2.4vw, 1.9rem);
  line-height: 1.2;
  color: var(--color-surface);
  margin: 0.5rem 0 0.6rem;
}

.page-news .page-news__feature .page-news__summary {
  color: var(--news-muted-white);
}

.page-news .page-news__media--guide {
  border: 1px solid rgba(255, 255, 255, 0.24);
}

/* ========== 平台公告 ========== */
.page-news .page-news__section--last {
  padding-bottom: clamp(2rem, 5vw, 4rem);
}

.page-news .page-news__notice-grid {
  display: grid;
  gap: 1.5rem;
}

.page-news .page-news__notice {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  padding: 1.6rem;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  scroll-margin-top: calc(var(--header-height) + 1rem);
}

.page-news .page-news__notice::before {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 28px;
  height: 28px;
  background: linear-gradient(225deg, var(--color-accent) 50%, transparent 50%);
}

.page-news .page-news__notice-code {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.page-news .page-news__notice-title {
  font-family: var(--font-headline);
  font-size: 1.28rem;
  line-height: 1.25;
  margin: 0.35rem 0 0.5rem;
  color: var(--color-primary);
}

.page-news .page-news__notice .page-news__summary {
  margin-bottom: 0.5rem;
}

.page-news .page-news__notice .btn {
  margin-top: auto;
  align-self: flex-start;
}

.page-news .page-news__notice-media {
  margin-top: 0.5rem;
  line-height: 0;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
}

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

.page-news .page-news__notice--primary {
  border-left-width: 6px;
}

/* ========== 帮助区 ========== */
.page-news .page-news__help {
  background: var(--color-accent);
  padding: clamp(2rem, 5vw, 3.5rem) 0;
}

.page-news .page-news__help-inner {
  display: grid;
  gap: 1.4rem;
  align-items: center;
}

.page-news .page-news__help .kicker {
  color: var(--color-primary);
}

.page-news .page-news__help-title {
  font-family: var(--font-headline);
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.2;
  color: var(--color-primary);
  margin: 0.4rem 0 0.5rem;
}

.page-news .page-news__help-desc {
  color: var(--color-primary);
  opacity: 0.85;
  margin: 0;
  line-height: 1.7;
}

/* ========== 桌面端布局 ========== */
@media (min-width: 760px) {
  .page-news .page-news__article--featured {
    grid-template-columns: 1fr 1.05fr;
    align-items: center;
    gap: 2rem;
  }

  .page-news .page-news__article--row {
    grid-template-columns: 84px 1fr;
    gap: 2rem;
  }

  .page-news .page-news__feature--guide {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
  }

  .page-news .page-news__notice-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .page-news__notice--primary {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 0.85fr;
    align-items: center;
    gap: 2rem;
  }

  .page-news .page-news__notice-media {
    margin-top: 0;
  }

  .page-news .page-news__help-inner {
    grid-template-columns: 1fr auto;
  }
}

@media (min-width: 960px) {
  .page-news .page-news__hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3.5rem;
  }

  .page-news .page-news__section-grid {
    grid-template-columns: 280px 1fr;
    gap: clamp(2rem, 5vw, 4.5rem);
  }

  .page-news .page-news__filter {
    margin-bottom: 0.8rem;
  }
}

/* ========== 动效与无障碍 ========== */
.page-news .page-news__media img,
.page-news .page-news__notice,
.page-news .page-news__feature,
.page-news .page-news__filter-link {
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

@media (hover: hover) {
  .page-news .page-news__article:hover .page-news__media img {
    transform: scale(1.02);
  }

  .page-news .page-news__notice:hover,
  .page-news .page-news__feature:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(10, 36, 99, 0.14);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .page-news__media img,
  .page-news .page-news__notice,
  .page-news .page-news__feature,
  .page-news .page-news__filter-link {
    transition: none;
  }

  .page-news .page-news__media img:hover {
    transform: none;
  }

  .page-news .page-news__notice:hover,
  .page-news .page-news__feature:hover {
    transform: none;
    box-shadow: none;
  }
}