.page-news {
  --news-rail-w: 236px;
  --news-ink-soft: rgba(36, 28, 22, .68);
  --news-ink-faint: rgba(36, 28, 22, .46);
  --news-card-line: rgba(36, 28, 22, .20);
  display: block;
}

.page-news [data-section] {
  scroll-margin-top: 108px;
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: clamp(14px, 3vw, 26px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--txt-dim);
}
.page-news .breadcrumb__item {
  color: var(--txt-dim);
  text-decoration: none;
}
.page-news .breadcrumb__item:first-child:hover {
  color: var(--cyan);
}
.page-news .breadcrumb__sep {
  color: var(--line-soft);
}

/* ---------- 栏目头 ---------- */
.page-news .news-hero {
  position: relative;
  display: grid;
  gap: clamp(20px, 4vw, 36px);
  padding: clamp(20px, 4vw, 38px) 0 clamp(26px, 5vw, 46px);
  border-bottom: 1px solid var(--line-soft);
}
.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: min(280px, 60%);
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), rgba(79, 227, 193, 0));
}
.page-news .news-hero h1 {
  margin: 10px 0 14px;
  font-size: clamp(27px, 6vw, 46px);
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--paper);
}
.page-news .news-hero .lede {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.8;
  color: var(--txt-body);
}
.page-news .news-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}
.page-news .news-chip {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 6px 13px;
  border: 1px solid var(--line-cyan);
  border-radius: var(--radius-pill);
  background: rgba(79, 227, 193, .06);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--txt-body);
}
.page-news .news-chip__num {
  font-size: 14px;
  color: var(--cyan);
}
.page-news .news-hero__media {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--ink-2);
  box-shadow: var(--shadow-panel);
}
.page-news .news-hero__media img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 分栏骨架 ---------- */
.page-news .notes-layout {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  padding-top: clamp(26px, 5vw, 48px);
}
.page-news .notes-body {
  min-width: 0;
}

/* ---------- 左侧分类栏 ---------- */
.page-news .notes-rail {
  padding: 14px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-card);
  background: var(--ink-2);
}
.page-news .notes-rail .rail__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--txt-dim);
}
.page-news .notes-rail .rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  max-width: 100%;
  -webkit-overflow-scrolling: touch;
}
.page-news .notes-rail .rail__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border-left: 2px solid transparent;
  font-size: 14px;
  line-height: 1.4;
  color: var(--txt-body);
  text-decoration: none;
  white-space: nowrap;
  transition: color 220ms ease-out, background 220ms ease-out, border-color 220ms ease-out;
}
.page-news .notes-rail .rail__link:hover {
  color: var(--paper);
  background: rgba(79, 227, 193, .07);
}
.page-news .notes-rail .rail__link.is-active {
  color: var(--cyan);
  background: rgba(79, 227, 193, .10);
  border-left-color: var(--cyan);
}
.page-news .rail__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--sage);
}
.page-news .notes-rail .rail__link.is-active .rail__idx {
  color: var(--cyan);
}
.page-news .notes-rail__note {
  margin: 12px 2px 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--txt-dim);
}
.page-news .notes-rail__num {
  font-family: var(--font-mono);
  color: var(--yellow);
}

/* ---------- 章节通用 ---------- */
.page-news .notes-section {
  padding-top: clamp(30px, 5vw, 54px);
}
.page-news .notes-section:first-child {
  padding-top: 0;
}
.page-news .section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 12px;
}
.page-news .section__num {
  font-family: var(--font-mono);
  font-size: clamp(20px, 3vw, 27px);
  letter-spacing: .08em;
  color: var(--cyan);
}
.page-news .section__title {
  margin: 0;
  font-size: clamp(19px, 2.8vw, 26px);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--paper);
}
.page-news .notes-section__intro {
  margin: 0 0 22px;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--txt-body);
}

/* ---------- 笔记列表 ---------- */
.page-news .note-list {
  display: grid;
  gap: clamp(14px, 2.2vw, 22px);
}
.page-news .note-card {
  position: relative;
  padding: clamp(16px, 2.6vw, 26px);
  background: var(--paper);
  color: var(--brown);
  border: 1px solid var(--news-card-line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-paper);
  transition: transform 220ms ease-out, box-shadow 220ms ease-out;
}
.page-news .note-card__head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.page-news .note-card__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--news-ink-faint);
}
.page-news .note-card .tag {
  display: inline-block;
  padding: 4px 9px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  white-space: nowrap;
}
.page-news .note-card .tag--orange {
  background: var(--orange);
  color: var(--brown);
}
.page-news .note-card .tag--cyan {
  background: var(--cyan);
  color: var(--ink);
}
.page-news .note-card .tag--yellow {
  background: var(--yellow);
  color: var(--brown);
}
.page-news .note-card .tag--slate {
  background: var(--night);
  color: var(--paper);
}
.page-news .note-card__time {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--news-ink-faint);
}
.page-news .note-card__title {
  margin: 12px 0 8px;
  font-size: clamp(18px, 2.4vw, 22px);
  line-height: 1.35;
  font-weight: 800;
  color: var(--brown);
}
.page-news .note-card__excerpt {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--news-ink-soft);
}
.page-news .note-card__media {
  margin: 16px 0 0;
  border: 1px solid var(--news-card-line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.page-news .note-card__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 专题系列 ---------- */
.page-news .topic-grid {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
}
.page-news .topic-card {
  position: relative;
  padding: clamp(18px, 2.6vw, 26px);
  background: var(--ink-2);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-card);
  overflow: hidden;
}
.page-news .topic-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 52px;
  height: 1px;
  background: var(--cyan);
}
.page-news .topic-card__badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 6px;
  background: var(--cyan);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
}
.page-news .topic-card:nth-of-type(2) .topic-card__badge {
  background: var(--orange);
  color: var(--brown);
}
.page-news .topic-card:nth-of-type(3) .topic-card__badge {
  background: var(--yellow);
  color: var(--brown);
}
.page-news .topic-card:nth-of-type(4) .topic-card__badge {
  background: var(--paper);
  color: var(--brown);
}
.page-news .topic-card__title {
  margin: 14px 0 8px;
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 800;
  color: var(--paper);
}
.page-news .topic-card__desc {
  margin: 0;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--txt-body);
}
.page-news .topic-card__media {
  margin: 16px 0 0;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.page-news .topic-card__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-news .topic-card__count {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--txt-dim);
}
.page-news .topic-card__num {
  font-size: 20px;
  color: var(--cyan);
}
.page-news .topic-card__link {
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 138, 61, .5);
}
.page-news .topic-card__link:hover {
  color: var(--yellow);
  border-bottom-color: var(--yellow);
}

/* ---------- 数据节奏面板 ---------- */
.page-news .notes-section--panel {
  margin-top: clamp(30px, 5vw, 54px);
  padding: clamp(20px, 3vw, 32px);
  background: linear-gradient(160deg, rgba(27, 42, 51, .92), rgba(18, 58, 49, .92));
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-card);
}
.page-news .rhythm-grid {
  align-items: start;
  gap: clamp(18px, 3vw, 32px);
}
.page-news .rhythm-grid__text .prose {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--txt-body);
}
.page-news .rhythm-grid__text .prose:last-child {
  margin-bottom: 0;
}
.page-news .notes-section a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-news .stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.page-news .stat {
  padding: 14px;
  background: rgba(12, 43, 36, .62);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
}
.page-news .stat__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1.1;
  color: var(--cyan);
}
.page-news .stat__label {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--txt-dim);
}

/* ---------- 编辑说明（纸张区） ---------- */
.page-news .notes-section--paper {
  margin-top: clamp(28px, 4.5vw, 48px);
  padding: clamp(20px, 3vw, 30px);
  background: var(--paper);
  border: 1px solid var(--news-card-line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-paper);
}
.page-news .notes-section--paper .section__title {
  color: var(--brown);
}
.page-news .notes-section--paper .section__num {
  color: var(--brick);
}
.page-news .notes-section__intro--paper {
  margin-bottom: 20px;
  color: var(--news-ink-soft);
}
.page-news .editorial-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-news .editorial-item {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding-top: 14px;
  border-top: 1px solid var(--news-card-line);
}
.page-news .editorial-item:first-child {
  padding-top: 0;
  border-top: 0;
}
.page-news .editorial-item__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--brick);
}
.page-news .editorial-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--news-ink-soft);
}

/* ---------- 回访提示 ---------- */
.page-news #revisit .prose {
  margin: 0 0 18px;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--txt-body);
}
.page-news #revisit .copy-hint {
  margin-bottom: 18px;
}
.page-news .notes-section__foot {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--txt-dim);
}
.page-news .notes-section__foot a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (hover: hover) and (pointer: fine) {
  .page-news .note-card:hover {
    transform: translateY(-2px);
  }
}

@media (min-width: 760px) {
  .page-news .topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-news .note-card--lead {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(16px, 2.6vw, 26px);
    align-items: center;
  }
  .page-news .note-card--lead .note-card__media {
    margin-top: 0;
  }
}

@media (min-width: 960px) {
  .page-news .news-hero {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: end;
  }
  .page-news .news-hero__media {
    align-self: stretch;
  }
  .page-news .news-hero__media img {
    height: 100%;
  }
}

@media (min-width: 1000px) {
  .page-news .notes-layout {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    align-items: start;
  }
  .page-news .notes-rail {
    position: sticky;
    top: 104px;
  }
  .page-news .notes-rail .rail__list {
    flex-direction: column;
    gap: 4px;
    overflow-x: visible;
    padding-bottom: 0;
  }
  .page-news .notes-rail .rail__link {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .note-card,
  .page-news .notes-rail .rail__link {
    transition: none;
  }
  .page-news .note-card:hover {
    transform: none;
  }
}