.page-news {
  --news-rail-w: 232px;
  --news-gap: clamp(24px, 3.4vw, 52px);
  padding-bottom: clamp(56px, 9vw, 110px);
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: clamp(18px, 2.4vw, 30px) 0 0;
  font-size: 13px;
  color: var(--muted);
}
.page-news .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.page-news .breadcrumbs a:hover,
.page-news .breadcrumbs a:focus-visible {
  color: var(--orange-deep);
  border-bottom-color: var(--orange-deep);
}
.page-news .breadcrumbs [aria-current="page"] {
  color: var(--ink);
  font-weight: 600;
}

/* ---------- 刊头 ---------- */
.page-news .masthead {
  position: relative;
  padding: clamp(22px, 3.4vw, 44px) 0 clamp(20px, 3vw, 38px);
  border-bottom: 1px solid var(--ink);
}
.page-news .masthead::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  width: clamp(76px, 15vw, 200px);
  height: 5px;
  background: var(--orange);
}
.page-news .masthead h1 {
  margin: 14px 0 16px;
  max-width: 20ch;
  font-size: clamp(30px, 5.2vw, 60px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.page-news .masthead__lede {
  max-width: 62ch;
  margin: 0 0 22px;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.75;
  color: var(--ink);
}
.page-news .masthead__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--muted);
}
.page-news .masthead__meta li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.page-news .masthead__meta .mono {
  color: var(--orange);
  font-size: 11px;
  letter-spacing: 0.08em;
}

/* ---------- 双栏骨架 ---------- */
.page-news .news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--news-gap);
  margin-top: clamp(26px, 3.6vw, 48px);
}
@media (min-width: 1024px) {
  .page-news .news-layout {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    align-items: start;
  }
  .page-news .news-rail {
    position: sticky;
    top: 96px;
  }
}

/* ---------- 左栏 ---------- */
.page-news .news-rail {
  display: grid;
  gap: 22px;
  align-content: start;
}
.page-news .rail-nav__title {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}
.page-news .rail-nav__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.page-news .rail-nav__list a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 2px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.12s var(--ease), padding-left 0.12s var(--ease);
}
.page-news .rail-nav__list a:hover,
.page-news .rail-nav__list a:focus-visible {
  color: var(--orange-deep);
  padding-left: 8px;
}
.page-news .rail-nav__list .mono {
  font-size: 11px;
  color: var(--muted);
}

.page-news .rail-sub {
  padding: 18px;
  background: var(--night);
  color: var(--paper);
  border-left: 4px solid var(--orange);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}
.page-news .rail-sub__label {
  margin: 0 0 8px;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--lime);
}
.page-news .rail-sub__text {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(247, 242, 232, 0.82);
}
.page-news .rail-foot {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- 章节编号 ---------- */
.page-news .chapter {
  margin-bottom: clamp(44px, 6vw, 82px);
}
.page-news .chapter:last-child {
  margin-bottom: 0;
}
.page-news .chapter__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(12px, 1.8vw, 22px);
  align-items: start;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(20px, 2.6vw, 34px);
}
.page-news .chapter__num {
  font-size: clamp(30px, 4vw, 52px);
  font-weight: 900;
  line-height: 0.86;
  color: var(--orange);
  letter-spacing: -0.04em;
}
.page-news .chapter__title {
  margin: 6px 0 0;
  font-size: clamp(21px, 2.6vw, 32px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--ink);
}
.page-news .chapter .eyebrow {
  margin: 0;
}

/* ---------- 主推 ---------- */
.page-news .feature__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 40px);
}
@media (min-width: 900px) {
  .page-news .feature__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: start;
  }
}
.page-news .feature__lede {
  margin: 0 0 24px;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.8;
  color: var(--ink);
}
.page-news .feature__points {
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}
.page-news .feature__points li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.page-news .feature__points li:first-child {
  padding-top: 0;
  border-top: 0;
}
.page-news .feature__pt-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  background: var(--ink);
  color: var(--lime);
  font-size: 12px;
  font-weight: 700;
}
.page-news .feature__points strong {
  display: block;
  margin-bottom: 4px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}
.page-news .feature__points p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}
.page-news .feature__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-news .feature__media {
  position: relative;
  margin: 0;
  clip-path: polygon(0 5%, 100% 0, 100% 100%, 0 95%);
  background: linear-gradient(158deg, var(--night), #123a5e);
}
.page-news .feature__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}
.page-news .feature__media .media-frame__cap {
  position: static;
  display: block;
  padding: 12px 16px 16px;
  font-size: 12px;
  line-height: 1.6;
  color: rgba(247, 242, 232, 0.78);
  background: rgba(5, 22, 38, 0.72);
}

/* ---------- 专栏分类卡片 ---------- */
.page-news .column-cards {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}
@media (min-width: 720px) {
  .page-news .column-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-news .column-card:nth-child(even) {
    transform: translateY(20px);
  }
}
@media (min-width: 1180px) {
  .page-news .column-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-news .column-card:nth-child(3n + 2) {
    transform: translateY(16px);
  }
  .page-news .column-card:nth-child(3n) {
    transform: translateY(32px);
  }
}
.page-news .column-card {
  padding: 20px 18px 22px;
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-top: 3px solid var(--ink);
  box-shadow: var(--shadow);
  transition: transform 0.14s var(--ease), border-color 0.14s var(--ease);
}
.page-news .column-card:hover {
  border-color: var(--lime);
  border-top-color: var(--orange);
}
.page-news .column-card h3 {
  margin: 12px 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}
.page-news .column-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 筛选条 ---------- */
.page-news .filter-bar {
  display: grid;
  gap: 12px;
  padding: 16px 18px;
  margin-bottom: 8px;
  background: var(--glass);
  backdrop-filter: blur(6px);
  border-left: 4px solid var(--orange);
}
.page-news .filter-bar__hint {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}
.page-news .filter-bar__row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-news .chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  background: var(--paper-card);
  border: 1px solid var(--line);
  cursor: pointer;
  transition: border-color 0.12s var(--ease), color 0.12s var(--ease), background 0.12s var(--ease);
}
.page-news .chip:hover,
.page-news .chip:focus-visible {
  border-color: var(--orange);
  color: var(--orange-deep);
}
.page-news .chip[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--lime);
  color: var(--lime);
}

/* ---------- 条目列表 ---------- */
.page-news .entry-list {
  display: block;
}
.page-news .entry {
  position: relative;
  border-bottom: 1px solid var(--line);
}
.page-news .entry::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 8px;
  height: 1px;
  background: var(--orange);
}
.page-news .entry > summary {
  list-style: none;
  cursor: pointer;
}
.page-news .entry > summary::-webkit-details-marker {
  display: none;
}
.page-news .entry__sum {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: 18px 0;
  transition: background 0.12s var(--ease);
}
.page-news .entry__sum:hover,
.page-news .entry__sum:focus-visible {
  background: rgba(255, 106, 26, 0.05);
}
.page-news .entry__num {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--muted);
  letter-spacing: -0.02em;
}
.page-news .entry[open] .entry__num {
  color: var(--orange);
}
.page-news .entry__main {
  display: block;
  min-width: 0;
}
.page-news .entry__main .tag {
  display: inline-block;
  margin-bottom: 8px;
}
.page-news .entry__title {
  display: block;
  font-size: clamp(16px, 1.7vw, 19px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
}
.page-news .entry__brief {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
}
.page-news .entry__time {
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
  padding-top: 4px;
}
.page-news .entry__toggle {
  display: none;
}
.page-news .entry[open] .entry__title {
  color: var(--orange-deep);
}
.page-news .entry__body {
  padding: 0 0 20px 46px;
  max-width: 68ch;
}
.page-news .entry__body p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}
.page-news .entry__body p:last-child {
  margin-bottom: 0;
}

/* 列表内插图 */
.page-news .entry-figure {
  margin: 24px 0 26px;
  background: linear-gradient(158deg, var(--night), #123a5e);
  clip-path: polygon(0 0, 100% 3%, 100% 100%, 0 97%);
}
.page-news .entry-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}
.page-news .entry-figure .media-frame__cap {
  position: static;
  display: block;
  padding: 10px 16px 15px;
  font-size: 12px;
  line-height: 1.6;
  color: rgba(247, 242, 232, 0.78);
  background: rgba(5, 22, 38, 0.72);
}

.page-news .stream-more {
  margin: 26px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}
.page-news .stream-more a {
  color: var(--orange-deep);
  font-weight: 600;
  text-underline-offset: 3px;
}

/* ---------- 专题系列 ---------- */
.page-news .series__lede {
  margin: -8px 0 24px;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}
.page-news .series__rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(240px, 78%);
  gap: 16px;
  margin: 0;
  padding: 0 0 18px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}
@media (min-width: 720px) {
  .page-news .series__rail {
    grid-auto-columns: minmax(280px, 46%);
  }
}
@media (min-width: 1180px) {
  .page-news .series__rail {
    grid-auto-columns: minmax(300px, 31%);
  }
}
.page-news .series-card {
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  padding: 22px 20px;
  background: var(--ink);
  color: var(--paper);
  border-bottom: 4px solid var(--orange);
}
.page-news .series-card__index {
  margin: 0 0 14px;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--lime);
}
.page-news .series-card h3 {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--paper);
}
.page-news .series-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(247, 242, 232, 0.78);
}
.page-news .series-card__meta {
  margin-top: auto;
  padding-top: 18px;
  font-size: 12px;
  color: var(--amber);
}
.page-news .series__hint {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

/* ---------- 投稿 ---------- */
.page-news .contribute__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-bottom: 26px;
}
@media (min-width: 820px) {
  .page-news .contribute__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-news .contribute__block:nth-child(2) {
    transform: translateY(18px);
  }
}
.page-news .contribute__block {
  padding: 20px 18px;
  background: var(--paper-card);
  border: 1px solid var(--line);
}
.page-news .contribute__block h3 {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}
.page-news .contribute__block h3::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 9px;
  background: var(--orange);
  vertical-align: 1px;
}
.page-news .contribute__block p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 订阅 ---------- */
.page-news .subscribe__lede {
  margin: -6px 0 20px;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
}
.page-news .subscribe__picks {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}
.page-news .subscribe__facts {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin: 0 0 22px;
  border-top: 1px solid var(--ink);
}
@media (min-width: 760px) {
  .page-news .subscribe__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
.page-news .subscribe__facts > div {
  padding: 18px 18px 18px 0;
  border-bottom: 1px solid var(--line);
}
@media (min-width: 760px) {
  .page-news .subscribe__facts > div {
    border-bottom: 0;
    border-left: 1px solid var(--line);
    padding: 18px;
  }
  .page-news .subscribe__facts > div:first-child {
    border-left: 0;
    padding-left: 0;
  }
}
.page-news .subscribe__facts dt {
  margin-bottom: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--orange);
}
.page-news .subscribe__facts dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
}
.page-news .subscribe__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}
.page-news .subscribe__note a {
  color: var(--orange-deep);
  font-weight: 600;
  text-underline-offset: 3px;
}

/* ---------- 打印与减少动态 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-news .column-card,
  .page-news .rail-nav__list a,
  .page-news .chip,
  .page-news .entry__sum {
    transition: none;
  }
}
@media (max-width: 480px) {
  .page-news .entry__sum {
    grid-template-columns: 28px minmax(0, 1fr);
    gap: 10px;
  }
  .page-news .entry__time {
    grid-column: 2;
    padding-top: 2px;
  }
  .page-news .entry__body {
    padding-left: 38px;
  }
  .page-news .chapter__num {
    font-size: 26px;
  }
}