.page-news {
  --news-line: rgba(159, 179, 217, 0.18);
  --news-panel: linear-gradient(160deg, rgba(19, 26, 69, 0.94), rgba(13, 19, 52, 0.96));
  padding-bottom: 96px;
}

.page-news img {
  max-width: 100%;
  height: auto;
}

/* ---------- 报头 ---------- */
.page-news .news-masthead {
  padding: 28px 0 36px;
  border-bottom: 1px solid var(--news-line);
}

.page-news .news-masthead .eyebrow {
  margin: 0 0 12px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

.page-news .news-masthead h1 {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(30px, 7.4vw, 56px);
  line-height: 1.08;
  letter-spacing: 0.01em;
  color: var(--white);
  max-width: 20ch;
}

.page-news .news-lede {
  margin: 0 0 26px;
  max-width: 64ch;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .news-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 16px 24px;
  margin: 0;
  padding-top: 20px;
  border-top: 1px dashed var(--news-line);
}

.page-news .news-facts div {
  display: grid;
  gap: 4px;
}

.page-news .news-facts dt {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-news .news-facts dd {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.04em;
}

/* ---------- 吸顶标签栏 ---------- */
.page-news .news-tagbar {
  position: sticky;
  top: var(--bar-h);
  z-index: 30;
  margin: 0 -14px;
  padding: 10px 14px;
  background: rgba(10, 16, 48, 0.92);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-cyan);
  border-top: 1px solid var(--news-line);
}

.page-news .news-tagbar .filter-set {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .news-tagbar .filter-btn {
  padding: 8px 13px;
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--muted);
  background: rgba(19, 26, 69, 0.72);
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  cursor: pointer;
  transition: color 160ms var(--ease), background 160ms var(--ease),
    border-color 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-news .news-tagbar .filter-btn:hover {
  color: var(--white);
  border-color: var(--line-cyan);
}

.page-news .news-tagbar .filter-btn[aria-pressed="true"] {
  color: var(--ink-deep);
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 0 1px rgba(43, 231, 224, 0.45), 0 6px 18px rgba(43, 231, 224, 0.22);
}

.page-news .news-tagbar .filter-btn:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

/* ---------- 头条 ---------- */
.page-news .news-hero-story {
  position: relative;
  display: grid;
  gap: 22px;
  margin-top: 36px;
  padding: 24px 20px;
  background: var(--news-panel);
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .news-hero-story::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle at 100% 0, rgba(43, 231, 224, 0.22), transparent 68%);
  pointer-events: none;
}

.page-news .news-hero-story > .paper-label {
  justify-self: start;
}

.page-news .news-hero-copy h2 {
  margin: 14px 0 12px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(22px, 5.4vw, 34px);
  line-height: 1.24;
  color: var(--white);
}

.page-news .news-hero-copy p {
  margin: 0 0 16px;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .news-hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin: 0 0 20px !important;
  color: var(--muted);
  font-size: 12px;
}

.page-news .news-hero-figure {
  margin: 0;
  border-radius: var(--radius);
}

.page-news .news-hero-figure img {
  display: block;
  width: 100%;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 26px));
}

/* ---------- 条目列表 ---------- */
.page-news .news-feed {
  margin-top: 48px;
}

.page-news .news-count {
  margin: 0 0 10px;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-news .news-count .mono {
  color: var(--cyan);
  font-size: 15px;
  font-weight: 700;
}

.page-news .news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--news-line);
}

.page-news .news-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  column-gap: 12px;
  align-items: start;
  padding: 20px 0 20px 12px;
  border-bottom: 1px solid var(--news-line);
  border-left: 2px solid transparent;
  transition: border-left-color 180ms var(--ease), background 180ms var(--ease);
}

.page-news .news-item:hover,
.page-news .news-item:focus-within {
  border-left-color: var(--cyan);
  background: rgba(19, 26, 69, 0.42);
}

.page-news .news-item[hidden] {
  display: none;
}

.page-news .news-num {
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-news .news-item-title {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
}

.page-news .news-item-title a {
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-news .news-item-title a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-news .news-item-title a:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.page-news .news-item-excerpt {
  margin: 0 0 8px;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}

.page-news .news-item:hover .news-item-excerpt,
.page-news .news-item:focus-within .news-item-excerpt {
  -webkit-line-clamp: 5;
}

.page-news .news-item-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-news .filter-empty {
  margin: 0;
  padding: 40px 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .filter-empty[hidden] {
  display: none;
}

/* ---------- 系列 ---------- */
.page-news .news-series {
  margin-top: 72px;
}

.page-news .news-series .section-head {
  position: relative;
}

.page-news .news-series .section-head .paper-label {
  display: inline-block;
  margin-bottom: 14px;
}

.page-news .news-series .section-title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: clamp(24px, 5.6vw, 34px);
  font-weight: 900;
  line-height: 1.2;
  color: var(--white);
}

.page-news .news-series .section-lead {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .series-track {
  display: grid;
  gap: 20px;
  margin-top: 26px;
}

.page-news .series-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px;
  background: var(--news-panel);
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
}

.page-news .series-card .media-frame {
  margin: 0;
}

.page-news .series-card h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--white);
}

.page-news .series-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .series-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  font-size: 12px;
  letter-spacing: 0.04em;
}

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

.page-news .series-card.is-note {
  background: var(--paper);
  border-color: transparent;
}

.page-news .series-card.is-note h3 {
  color: var(--paper-ink);
}

.page-news .series-card.is-note p {
  color: rgba(27, 20, 16, 0.76);
}

.page-news .series-card.is-note .btn {
  color: var(--paper-ink);
  border-color: rgba(27, 20, 16, 0.38);
}

.page-news .series-card.is-note .btn:hover {
  background: rgba(27, 20, 16, 0.1);
  border-color: var(--paper-ink);
}

/* ---------- 订阅提醒 ---------- */
.page-news .news-subscribe {
  display: grid;
  gap: 24px;
  margin-top: 72px;
  padding: 26px 20px;
  background: linear-gradient(135deg, rgba(43, 231, 224, 0.12), rgba(19, 26, 69, 0.94) 58%);
  border: 1px solid var(--line-cyan);
  border-radius: var(--radius);
}

.page-news .news-subscribe-copy > .paper-label {
  display: inline-block;
  margin-bottom: 14px;
}

.page-news .news-subscribe-copy h2 {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: clamp(23px, 5.4vw, 32px);
  font-weight: 900;
  line-height: 1.22;
  color: var(--white);
}

.page-news .news-subscribe-copy > p {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .news-subscribe-list {
  list-style: none;
  margin: 18px 0 24px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .news-subscribe-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--white);
}

.page-news .news-subscribe-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 8px;
  height: 8px;
  background: var(--cyan);
}

.page-news .news-sub-figure {
  margin: 0;
  border-radius: var(--radius);
}

/* ---------- 共建 ---------- */
.page-news .news-contribute {
  position: relative;
  display: grid;
  gap: 16px;
  margin-top: 72px;
  padding: 30px 22px;
  background: var(--paper);
  color: var(--paper-ink);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .news-contribute::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -80px;
  width: 240px;
  height: 240px;
  background: repeating-linear-gradient(
    -8deg,
    rgba(27, 20, 16, 0.08) 0 5px,
    transparent 5px 14px
  );
  pointer-events: none;
}

.page-news .news-contribute > .paper-label {
  justify-self: start;
  box-shadow: none;
}

.page-news .news-contribute h2 {
  position: relative;
  margin: 0;
  max-width: 26ch;
  font-family: var(--font-head);
  font-size: clamp(23px, 5.6vw, 34px);
  font-weight: 900;
  line-height: 1.24;
  color: var(--paper-ink);
}

.page-news .news-contribute > p {
  position: relative;
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(27, 20, 16, 0.78);
}

.page-news .contribute-actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .news-contribute .btn-ghost {
  color: var(--paper-ink);
  border-color: rgba(27, 20, 16, 0.4);
}

.page-news .news-contribute .btn-ghost:hover {
  background: rgba(27, 20, 16, 0.1);
  border-color: var(--paper-ink);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .news-tagbar {
    margin: 0;
    padding: 12px 0;
  }

  .page-news .series-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news .news-masthead {
    padding: 40px 0 48px;
  }

  .page-news .news-hero-story {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
    column-gap: 32px;
    row-gap: 0;
    padding: 32px 28px;
  }

  .page-news .news-hero-story > .paper-label {
    position: absolute;
    top: 24px;
    left: 28px;
  }

  .page-news .news-hero-copy h2 {
    margin-top: 26px;
  }

  .page-news .news-item {
    grid-template-columns: 56px minmax(0, 1fr);
    column-gap: 24px;
    padding: 24px 8px 24px 16px;
  }

  .page-news .news-num {
    font-size: 13px;
    padding-top: 4px;
  }

  .page-news .news-item-title {
    font-size: 18px;
  }

  .page-news .news-subscribe {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
    column-gap: 36px;
    padding: 36px 32px;
  }

  .page-news .news-contribute {
    grid-template-columns: minmax(0, 1fr);
    padding: 40px;
  }
}

@media (min-width: 1024px) {
  .page-news .news-tagbar {
    top: 0;
  }
}

@media (min-width: 1200px) {
  .page-news .series-track {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 0.82fr);
  }

  .page-news .news-feed {
    margin-top: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .news-tagbar .filter-btn,
  .page-news .news-item-title a {
    transition: none;
  }
}