.page-news {
  --news-rail: 236px;
  position: relative;
  padding-bottom: 84px;
  color: var(--silver-100);
  font-family: var(--font-body);
}

.page-news::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(880px 520px at 6% -6%, rgba(20, 92, 59, 0.62), transparent 66%),
    radial-gradient(680px 420px at 104% 6%, rgba(31, 168, 150, 0.16), transparent 70%);
}

.page-news > * {
  position: relative;
  z-index: 1;
}

.page-news .breadcrumbs {
  padding-top: 18px;
  font-size: var(--fs-cap);
  letter-spacing: 0.05em;
}

.page-news .breadcrumbs a {
  color: var(--silver-300);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--ease), border-color var(--ease);
}

.page-news .breadcrumbs a:hover,
.page-news .breadcrumbs a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--line-cyan);
}

.page-news .eyebrow {
  color: var(--cyan-dim);
  letter-spacing: 0.2em;
  font-size: 0.72rem;
}

/* ---------- 首屏 ---------- */

.news-hero {
  margin-top: 20px;
  padding: 30px 0 36px;
  border-bottom: 1px solid var(--line);
}

.news-hero-inner {
  display: grid;
  gap: 26px;
  align-items: center;
}

.page-news h1 {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: var(--fs-display);
  line-height: 0.94;
  letter-spacing: 0.01em;
  color: var(--silver-100);
}

.news-hero-lede {
  margin: 16px 0 0;
  max-width: 60ch;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--silver-300);
}

.hero-ticks {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 22px 0 0;
  padding: 13px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
  font-size: var(--fs-cap);
  letter-spacing: 0.06em;
  color: var(--silver-300);
}

.hero-ticks li {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
}

.tick-num {
  color: var(--cyan);
  font-size: 1rem;
}

.news-hero-media {
  margin: 0;
  border: 1px solid var(--line-2);
  box-shadow: var(--shadow-card);
}

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

/* ---------- 主体骨架 ---------- */

.news-shell {
  display: grid;
  gap: 34px;
  padding-top: 42px;
}

.rail-title {
  margin: 0 0 12px;
  font-size: var(--fs-cap);
  letter-spacing: 0.2em;
  color: var(--cyan-dim);
}

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

.rail-list li {
  border-bottom: 1px solid var(--line);
}

.rail-list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 2px;
  font-size: 0.9rem;
  color: var(--silver-300);
  text-decoration: none;
  transition: color var(--ease);
}

.rail-list a:hover,
.rail-list a:focus-visible {
  color: var(--cyan);
}

.rail-num {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--cyan-dim);
}

.rail-note {
  margin-top: 22px;
  padding: 14px 14px 16px;
  border: 1px solid var(--line-2);
  background: linear-gradient(180deg, rgba(20, 92, 59, 0.42), rgba(6, 20, 15, 0.78));
  box-shadow: var(--shadow-card);
}

.rail-note-key {
  margin: 0;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.rail-note-text {
  margin: 8px 0 12px;
  font-size: 0.82rem;
  line-height: 1.66;
  color: var(--silver-300);
}

.rail-link {
  font-size: 0.82rem;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}

.story-stream {
  min-width: 0;
}

.news-section {
  scroll-margin-top: 96px;
}

.news-section + .news-section {
  margin-top: 52px;
  padding-top: 46px;
  border-top: 1px solid var(--line);
}

.news-section .section-head {
  margin-bottom: 22px;
}

.news-section h2 {
  margin: 9px 0 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: var(--fs-h2);
  line-height: 1.1;
  letter-spacing: 0.01em;
  color: var(--silver-100);
}

.section-lede {
  margin: 11px 0 0;
  max-width: 68ch;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--silver-300);
}

/* ---------- 编辑台节奏 ---------- */

.rhythm-grid {
  display: grid;
  gap: 14px;
}

.rhythm-card {
  position: relative;
  padding: 20px 18px 22px;
  border: 1px solid var(--line-2);
  background: linear-gradient(180deg, rgba(11, 42, 30, 0.92), rgba(6, 20, 15, 0.82));
}

.rhythm-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 48px;
  height: 3px;
}

.rhythm-card:nth-child(1)::before { background: var(--cyan); }
.rhythm-card:nth-child(2)::before { background: var(--cyan-dim); }
.rhythm-card:nth-child(3)::before { background: var(--amber); }

.rhythm-key {
  margin: 0 0 10px;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--cyan-dim);
}

.rhythm-card h3 {
  margin: 0 0 9px;
  font-family: var(--font-head);
  font-size: 1.16rem;
  letter-spacing: 0.03em;
  color: var(--silver-100);
}

.rhythm-card p {
  margin: 0;
  font-size: 0.89rem;
  line-height: 1.72;
  color: var(--silver-300);
}

/* ---------- 重点故事 ---------- */

.feature-story {
  display: grid;
  gap: 18px;
  margin-bottom: 26px;
  padding: 16px;
  border: 1px solid var(--line-2);
  background: linear-gradient(180deg, rgba(20, 92, 59, 0.34), rgba(6, 20, 15, 0.86));
  box-shadow: var(--shadow-card);
}

.feature-media {
  margin: 0;
}

.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 10px;
}

.feature-body h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.3rem, 3vw, 1.78rem);
  line-height: 1.16;
  color: var(--silver-100);
}

.feature-time {
  margin: 9px 0 13px;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.feature-body p {
  margin: 0 0 12px;
  font-size: 0.93rem;
  line-height: 1.76;
  color: var(--silver-300);
}

.feature-body .btn {
  margin-top: 4px;
}

/* ---------- 紧凑条目列表 ---------- */

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

.story-item {
  border-bottom: 1px solid var(--line);
}

.story-item summary {
  position: relative;
  display: grid;
  gap: 7px;
  padding: 14px 4px 14px 26px;
  cursor: pointer;
  list-style: none;
  transition: background var(--ease);
}

.story-item summary::-webkit-details-marker {
  display: none;
}

.story-item summary::before {
  content: "+";
  position: absolute;
  left: 4px;
  top: 12px;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1;
  color: var(--cyan-dim);
  transition: color var(--ease);
}

.story-item details[open] summary::before {
  content: "–";
  color: var(--cyan);
}

.story-item summary:hover {
  background: rgba(20, 92, 59, 0.22);
}

.item-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.item-time {
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--cyan-dim);
}

.item-title {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.46;
  color: var(--silver-100);
  transition: color var(--ease);
}

.story-item summary:hover .item-title {
  color: var(--cyan);
}

.item-summary {
  margin: 0;
  padding: 0 4px 16px 26px;
  font-size: 0.89rem;
  line-height: 1.74;
  color: var(--silver-300);
}

/* ---------- 集锦拆解 ---------- */

.reel-layout {
  display: grid;
  gap: 18px;
  margin-bottom: 26px;
  padding: 16px;
  border: 1px solid var(--line-2);
  border-left: 3px solid var(--cyan-dim);
  background: rgba(11, 42, 30, 0.62);
}

.reel-media {
  margin: 0;
}

.reel-key {
  margin: 0 0 9px;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.reel-copy h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.2rem, 2.6vw, 1.6rem);
  line-height: 1.18;
  color: var(--silver-100);
}

.reel-copy p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.76;
  color: var(--silver-300);
}

/* ---------- 友谊赛与社区 ---------- */

.split-story {
  display: grid;
  gap: 18px;
  margin-bottom: 24px;
}

.split-media {
  margin: 0;
}

.split-copy h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.2rem, 2.6vw, 1.6rem);
  line-height: 1.18;
  color: var(--silver-100);
}

.split-copy p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.76;
  color: var(--silver-300);
}

/* ---------- 口径与纠错 ---------- */

.ledger-steps {
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 20px;
}

.ledger-step {
  position: relative;
  padding-left: 46px;
}

.ledger-step::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 8px;
  bottom: -20px;
  width: 1px;
  background: var(--line-2);
}

.ledger-step:last-child::before {
  display: none;
}

.step-num {
  position: absolute;
  left: 0;
  top: 2px;
  font-size: 0.8rem;
  color: var(--cyan);
}

.ledger-step h3 {
  margin: 0 0 7px;
  font-family: var(--font-head);
  font-size: 1.1rem;
  letter-spacing: 0.03em;
  color: var(--silver-100);
}

.ledger-step p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--silver-300);
}

.ledger-note {
  padding: 18px;
  border: 1px solid rgba(255, 176, 32, 0.34);
  background: linear-gradient(180deg, rgba(255, 176, 32, 0.08), rgba(6, 20, 15, 0.86));
}

.ledger-note .ledger-flag {
  margin: 0 0 10px;
}

.ledger-note-text {
  margin: 0 0 16px;
  font-size: 0.9rem;
  line-height: 1.76;
  color: var(--silver-300);
}

/* ---------- 专题系列 ---------- */

.series-tags {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.series-tag {
  display: grid;
  gap: 5px;
  padding: 14px 16px;
  border: 1px solid var(--line-2);
  background: rgba(11, 42, 30, 0.58);
  text-decoration: none;
  transition: border-color var(--ease), background var(--ease), transform var(--ease);
}

.series-tag:hover,
.series-tag:focus-visible {
  border-color: var(--line-cyan);
  background: rgba(20, 92, 59, 0.62);
  transform: translateY(-2px);
}

.series-name {
  font-family: var(--font-head);
  font-size: 1.06rem;
  letter-spacing: 0.04em;
  color: var(--silver-100);
}

.series-desc {
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--silver-300);
}

.series-foot {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.74;
  color: var(--silver-300);
}

.series-foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .rhythm-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .feature-story {
    padding: 18px;
  }
}

@media (min-width: 900px) {
  .news-shell {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    gap: 46px;
    align-items: start;
  }

  .topic-rail {
    position: sticky;
    top: 88px;
  }

  .news-hero-inner {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
    gap: 34px;
  }

  .feature-story {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
    gap: 24px;
    align-items: start;
  }

  .rhythm-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .reel-layout {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1fr);
    gap: 26px;
    align-items: center;
    padding: 20px;
  }

  .split-story {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
    gap: 28px;
    align-items: center;
  }

  .split-media {
    clip-path: polygon(0 0, 100% 4%, 100% 100%, 0 96%);
  }

  .story-item summary {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (min-width: 1180px) {
  .feature-story {
    padding: 22px;
  }

  .reel-layout {
    margin-bottom: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .series-tag,
  .story-item summary,
  .rail-list a {
    transition: none;
  }

  .series-tag:hover,
  .series-tag:focus-visible {
    transform: none;
  }
}