.page-news {
  background-color: var(--night-bg);
  background-image:
    linear-gradient(rgba(123, 47, 190, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(123, 47, 190, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  overflow-x: hidden;
}

.page-news__breadcrumb {
  padding-top: 1.5rem;
  padding-bottom: 0;
}

.page-news__breadcrumb .breadcrumb-list {
  margin: 0;
}

.page-news__breadcrumb .breadcrumb-item:nth-child(2)::before,
.page-news__breadcrumb .breadcrumb-item:nth-child(3)::before {
  color: var(--primary-purple);
}

.page-news__intro {
  margin-top: 1.5rem;
  margin-bottom: 0;
  font-size: 0.95rem;
  color: var(--muted-text);
  line-height: 1.8;
  max-width: 72ch;
}

.page-news__section {
  position: relative;
}

.page-news__section::before {
  content: attr(data-section);
  position: absolute;
  right: -0.5rem;
  top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 5rem;
  font-weight: 900;
  line-height: 1;
  color: rgba(123, 47, 190, 0.08);
  pointer-events: none;
  z-index: 0;
  letter-spacing: -0.06em;
}

.page-news__section .container {
  position: relative;
  z-index: 1;
}

.page-news a.tag {
  text-decoration: none;
}

.page-news a.tag:hover {
  filter: brightness(1.2);
}

/* ===== 封面区 ===== */
.news-masthead {
  padding: 3rem 0 2.5rem;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(ellipse at 85% 15%, rgba(123, 47, 190, 0.28), transparent 62%),
    radial-gradient(ellipse at 10% 85%, rgba(255, 106, 0, 0.14), transparent 55%),
    var(--night-bg);
}

.news-masthead__grid {
  display: grid;
  gap: 2rem;
}

.news-masthead__kicker {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--neon-orange);
  margin-bottom: 1rem;
}

.news-masthead__kicker::before {
  content: '';
  width: 28px;
  height: 2px;
  background: var(--neon-orange);
  box-shadow: 0 0 8px var(--neon-orange);
}

.news-masthead h1 {
  font-size: clamp(1.7rem, 4.2vw, 2.7rem);
  font-weight: 900;
  font-style: italic;
  line-height: 1.18;
  color: var(--lavender-text);
  margin: 0 0 1.25rem;
  text-shadow: 0 0 44px rgba(123, 47, 190, 0.55);
}

.news-masthead .lead {
  font-size: 1rem;
  color: var(--muted-text);
  line-height: 1.85;
  max-width: 58ch;
  margin: 0;
}

.news-masthead__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  align-items: stretch;
}

.news-masthead__stat {
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: rgba(26, 20, 36, 0.82);
  border: 1px solid var(--line);
  border-left: 2px solid var(--primary-purple);
  border-radius: var(--radius);
  padding: 1rem 0.75rem;
  text-align: center;
  backdrop-filter: blur(4px);
}

.news-masthead__num {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--neon-orange);
  font-family: var(--font-mono);
  text-shadow: 0 0 18px rgba(255, 106, 0, 0.45);
}

.news-masthead__unit {
  font-size: 0.78rem;
  color: var(--muted-text);
  margin-top: 0.3rem;
}

/* ===== 01 时间轴 ===== */
.timeline {
  position: relative;
  margin-top: 2rem;
}

.timeline__item {
  position: relative;
  margin-bottom: 2rem;
  padding-left: 2rem;
}

.timeline__item:last-child {
  margin-bottom: 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--neon-orange), var(--primary-purple) 35%, var(--line) 85%);
  opacity: 0.65;
}

.timeline__marker {
  position: absolute;
  left: 3px;
  top: 1.5rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--neon-orange);
  border: 2px solid var(--night-bg);
  box-shadow: 0 0 12px var(--neon-orange);
  z-index: 2;
}

.timeline__aside {
  margin-bottom: 0.5rem;
  padding-top: 0.15rem;
}

.timeline__badge {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--soft-orange);
  background: rgba(255, 159, 28, 0.12);
  border: 1px solid rgba(255, 159, 28, 0.3);
  border-radius: 999px;
  padding: 0.28rem 0.8rem;
}

.timeline__card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 2px solid var(--primary-purple);
  border-radius: var(--radius);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-left-color 0.35s var(--ease);
  overflow: hidden;
}

.timeline__card:hover {
  transform: translateY(-4px);
  border-left-color: var(--neon-orange);
  box-shadow: 0 14px 44px rgba(123, 47, 190, 0.3);
}

.timeline__card-inner {
  display: grid;
  grid-template-columns: 1fr;
}

.timeline__media {
  overflow: hidden;
}

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

.timeline__body {
  padding: 1.1rem 1.25rem 1.25rem;
}

.timeline__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.7rem;
}

.timeline__body h3 {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--lavender-text);
  line-height: 1.5;
  margin: 0 0 0.55rem;
}

.timeline__body p {
  font-size: 0.88rem;
  color: var(--muted-text);
  line-height: 1.72;
  margin: 0;
}

/* ===== 02 更新表快讯 ===== */
.briefing {
  display: grid;
  gap: 1.75rem;
  margin-top: 2.25rem;
}

.briefing__side {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.briefing__stamp {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 1rem;
  background: rgba(123, 47, 190, 0.12);
  border: 1px dashed var(--primary-purple);
  border-radius: var(--radius);
}

.briefing__stamp img {
  flex: 0 0 auto;
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: var(--radius);
}

.briefing__stamp-text {
  display: flex;
  flex-direction: column;
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--lavender-text);
  gap: 0.2rem;
}

.briefing__stamp-text .mono {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--muted-text);
}

.briefing__desc {
  font-size: 0.85rem;
  color: var(--muted-text);
  line-height: 1.7;
  margin: 0;
  padding-left: 0.25rem;
}

.briefing__list {
  display: grid;
  gap: 1rem;
}

.briefing__item {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 0.6rem 0.85rem;
  background: rgba(18, 12, 29, 0.75);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  transition: border-color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.briefing__item:hover {
  border-color: var(--primary-purple);
  background: rgba(26, 20, 36, 0.95);
}

.briefing__num {
  font-size: 1.55rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--neon-orange);
  font-family: var(--font-mono);
  text-shadow: 0 0 14px rgba(255, 106, 0, 0.4);
}

.briefing__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.6rem;
  align-items: center;
}

.briefing__stat {
  display: inline-block;
  font-size: 0.78rem;
  color: var(--lavender-text);
  background: rgba(123, 47, 190, 0.16);
  border: 1px solid rgba(123, 47, 190, 0.4);
  border-radius: 999px;
  padding: 0.18rem 0.65rem;
}

.briefing__stat--add {
  color: var(--success);
  background: rgba(49, 224, 160, 0.1);
  border-color: rgba(49, 224, 160, 0.4);
}

.briefing__note {
  grid-column: 1 / -1;
  font-size: 0.82rem;
  color: var(--muted-text);
  line-height: 1.65;
  margin: 0;
  border-top: 1px solid var(--line);
  padding-top: 0.6rem;
}

/* ===== 03 深度文章 ===== */
.deep-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2.25rem;
}

.deep-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}

.deep-card:hover {
  border-color: rgba(255, 106, 0, 0.55);
  box-shadow: 0 14px 42px rgba(255, 106, 0, 0.12);
  transform: translateY(-3px);
}

.deep-card__media {
  overflow: hidden;
}

.deep-card__media img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.deep-card__body {
  padding: 1.25rem 1.3rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.deep-card__body h3 {
  font-size: 1.12rem;
  font-weight: 800;
  color: var(--lavender-text);
  line-height: 1.5;
  margin: 0;
}

.deep-card__summary {
  font-size: 0.88rem;
  color: var(--muted-text);
  line-height: 1.75;
  margin: 0;
}

.deep-card__cats {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.4rem;
}

.deep-card__cats li {
  font-size: 0.78rem;
  color: var(--soft-orange);
  background: rgba(255, 106, 0, 0.08);
  border: 1px solid rgba(255, 106, 0, 0.16);
  border-radius: 4px;
  padding: 0.3rem 0.4rem;
  text-align: center;
}

.deep-card .accordion-item {
  margin-top: auto;
}

.deep-card .accordion-content ul {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.85rem;
  color: var(--muted-text);
  line-height: 1.8;
}

.deep-card .accordion-content li {
  margin-bottom: 0.2rem;
}

/* ===== 04 往期归档 ===== */
.archive-layout {
  display: grid;
  gap: 2rem;
  margin-top: 2.25rem;
}

.archive-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.archive-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem 1rem 1rem;
  text-decoration: none;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
  position: relative;
  overflow: hidden;
}

.archive-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--neon-orange), var(--primary-purple));
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}

.archive-card:hover {
  transform: translateY(-5px);
  border-color: var(--neon-orange);
  box-shadow: 0 12px 36px rgba(255, 106, 0, 0.14);
}

.archive-card:hover::after {
  opacity: 1;
}

.archive-card__period {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--lavender-text);
  font-family: var(--font-mono);
  line-height: 1;
  text-shadow: 0 0 14px rgba(123, 47, 190, 0.5);
}

.archive-card__label {
  font-size: 0.78rem;
  color: var(--muted-text);
  margin-left: 0.2rem;
}

.archive-card__list {
  margin: 0.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.25rem;
}

.archive-card__list div {
  display: flex;
  justify-content: space-between;
  font-size: 0.83rem;
  border-top: 1px solid rgba(59, 46, 74, 0.7);
  padding-top: 0.25rem;
}

.archive-card__list dt {
  color: var(--muted-text);
}

.archive-card__list dd {
  margin: 0;
  color: var(--soft-orange);
  font-family: var(--font-mono);
  font-weight: 600;
}

.archive-note {
  padding: 1.25rem;
  background: rgba(18, 12, 29, 0.8);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.archive-note img {
  width: 100%;
  max-width: 320px;
  height: auto;
  border-radius: var(--radius);
  display: block;
}

.archive-note h3 {
  font-size: 1.08rem;
  font-weight: 800;
  color: var(--lavender-text);
  margin: 0;
}

.archive-note p {
  font-size: 0.87rem;
  color: var(--muted-text);
  line-height: 1.7;
  margin: 0;
}

.archive-note__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 0.15rem;
}

/* ===== 标签云 ===== */
.tag-cloud {
  padding: 2.5rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, transparent, rgba(123, 47, 190, 0.18), transparent);
}

.tag-cloud__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
  justify-content: center;
}

.tag-cloud .tag {
  font-size: 0.82rem;
  padding: 0.35rem 0.9rem;
}

/* ===== CTA ===== */
.news-cta {
  padding: 3rem 0 3.5rem;
  text-align: center;
  background:
    radial-gradient(ellipse at center, rgba(123, 47, 190, 0.22), transparent 68%),
    var(--surface);
}

.news-cta__title {
  font-size: 1.4rem;
  font-weight: 900;
  font-style: italic;
  color: var(--lavender-text);
  margin: 0 0 0.5rem;
}

.news-cta__text {
  font-size: 0.92rem;
  color: var(--muted-text);
  line-height: 1.7;
  margin: 0 auto 1.5rem;
  max-width: 46ch;
}

.news-cta__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.9rem;
}

/* ===== 桌面端适配 ===== */
@media (min-width: 768px) {
  .page-news__section::before {
    font-size: 7.5rem;
  }

  .news-masthead {
    padding: 4rem 0 3rem;
  }

  .news-masthead__grid {
    grid-template-columns: 1.6fr 1fr;
    align-items: center;
    gap: 2.5rem;
  }

  .news-masthead__stat {
    text-align: left;
    padding: 1.15rem 1rem;
  }

  .news-masthead__num {
    font-size: 2rem;
  }

  .timeline {
    margin-top: 2.75rem;
  }

  .timeline__item {
    padding-left: 2.5rem;
  }

  .timeline::before {
    left: 10px;
  }

  .timeline__marker {
    left: 4px;
    width: 14px;
    height: 14px;
  }

  .timeline__card-inner {
    grid-template-columns: 240px 1fr;
  }

  .timeline__media img {
    height: 100%;
    object-fit: cover;
  }

  .briefing {
    grid-template-columns: 220px 1fr;
    align-items: start;
  }

  .briefing__side {
    position: sticky;
    top: 2rem;
  }

  .deep-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .deep-card--wide {
    grid-column: 1 / -1;
    flex-direction: row;
    align-items: stretch;
  }

  .deep-card--wide .deep-card__body {
    flex: 1;
  }

  .deep-card--wide .deep-card__media {
    flex: 0 0 220px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .archive-layout {
    grid-template-columns: 1.35fr 1fr;
    align-items: start;
  }

  .archive-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .archive-note {
    position: sticky;
    top: 2rem;
  }
}

@media (min-width: 1024px) {
  .page-news__section::before {
    font-size: 9.5rem;
    right: 2rem;
    top: 1rem;
  }

  .timeline__item {
    display: grid;
    grid-template-columns: 8rem 2rem 1fr;
    gap: 1.25rem;
    padding-left: 0;
    align-items: start;
  }

  .timeline__aside {
    margin-bottom: 0;
    text-align: right;
    padding-top: 1.1rem;
  }

  .timeline__badge {
    white-space: nowrap;
  }

  .timeline__marker {
    position: static;
    justify-self: center;
    margin-top: 1.4rem;
    width: 14px;
    height: 14px;
  }

  .timeline::before {
    left: calc(8rem + 1.25rem + 0.85rem);
    top: 0.5rem;
    bottom: 0.5rem;
  }

  .timeline__card {
    border-radius: var(--radius);
  }

  .timeline__card-inner {
    grid-template-columns: 260px 1fr;
    min-height: 0;
  }
}

@media (min-width: 1180px) {
  .news-masthead h1 {
    font-size: 3rem;
  }

  .timeline__card-inner {
    grid-template-columns: 280px 1fr;
  }

  .deep-card--wide .deep-card__media {
    flex-basis: 280px;
  }
}