.page-news {
  --news-gap: clamp(1.25rem, 3.2vw, 2.25rem);
  --news-pad-y: clamp(2.25rem, 6vw, 3.75rem);
  display: block;
  background: var(--field-900);
  color: var(--paper);
  font-family: var(--sans);
  line-height: 1.75;
}

.page-news .breadcrumb {
  padding-top: 1rem;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding: clamp(1.5rem, 5vw, 3rem) 0 clamp(2rem, 6vw, 3.5rem);
  background:
    radial-gradient(115% 85% at 86% 4%, rgba(79, 168, 224, 0.16), transparent 62%),
    linear-gradient(178deg, var(--field-950) 0%, var(--field-900) 78%);
  border-bottom: 1px solid var(--line-700);
}

.page-news .news-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 2.75rem);
  align-items: center;
}

.page-news .news-hero__lede {
  min-width: 0;
}

.page-news .news-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 1.1rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--moss);
}

.page-news .news-hero__kicker::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--lemon);
  flex: 0 0 auto;
}

.page-news .news-hero__title {
  margin: 0 0 1.15rem;
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(2rem, 7.6vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-news .news-hero__text {
  margin: 0 0 0.95rem;
  max-width: 46ch;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--ash);
}

.page-news .news-hero__nodes {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  border-top: 1px solid var(--line-700);
}

.page-news .news-hero__node {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 0.75rem;
  align-items: baseline;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line-700);
  font-size: 0.9375rem;
  color: var(--ash);
}

.page-news .news-hero__nodeno {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--flag);
}

.page-news .news-hero__visual {
  position: relative;
  border: 1px solid var(--line-700);
  background: var(--field-950);
  overflow: hidden;
}

.page-news .news-hero__visual svg {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 13 / 10;
}

/* ---------- 专题导航带 ---------- */
.page-news .news-rail {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(9, 24, 17, 0.94);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--line-700);
  border-bottom: 1px solid var(--line-700);
}

.page-news .news-rail__list {
  display: flex;
  align-items: stretch;
  gap: 0.15rem;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-rail__list::-webkit-scrollbar {
  display: none;
}

.page-news .news-rail__btn {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.85rem 0.9rem;
  background: none;
  border: 0;
  border-bottom: 2px solid transparent;
  color: var(--moss);
  font-family: var(--mono);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  white-space: nowrap;
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .news-rail__btn:hover {
  color: var(--paper);
}

.page-news .news-rail__btn[aria-selected="true"] {
  color: var(--paper);
  border-bottom-color: var(--lemon);
}

.page-news .news-rail__btn:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: -2px;
}

.page-news .news-rail__count {
  font-size: 0.6875rem;
  color: var(--moss);
}

.page-news .news-rail__btn[aria-selected="true"] .news-rail__count {
  color: var(--lemon);
}

/* ---------- 章节标题 ---------- */
.page-news .news-sec {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.3rem 0.9rem;
  align-items: baseline;
  margin-bottom: clamp(1.5rem, 4vw, 2.25rem);
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--line-700);
}

.page-news .news-sec::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 58px;
  height: 2px;
  background: var(--lemon);
}

.page-news .news-sec__idx {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  color: var(--flag);
}

.page-news .news-sec__title {
  margin: 0;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(1.35rem, 4.6vw, 1.95rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .news-sec__note {
  grid-column: 2;
  margin: 0;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--moss);
}

.page-news .news-sec--paper {
  border-bottom-color: var(--ash);
}

.page-news .news-sec--paper .news-sec__title {
  color: var(--ink-900);
}

.page-news .news-sec--paper .news-sec__note {
  color: #6b6255;
}

/* ---------- 重点条目 ---------- */
.page-news .news-feature {
  padding: var(--news-pad-y) 0 clamp(1.5rem, 4vw, 2.5rem);
}

.page-news .news-lead {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--news-gap);
  padding-top: clamp(1.25rem, 3vw, 1.9rem);
  border-top: 2px solid var(--line-700);
}

.page-news .news-lead__title {
  margin: 0.7rem 0 0.5rem;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(1.3rem, 4.2vw, 1.85rem);
  line-height: 1.35;
  color: var(--paper);
}

.page-news .news-lead__meta,
.page-news .news-note__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.85rem;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--moss);
}

.page-news .news-dot {
  width: 4px;
  height: 4px;
  background: var(--line-700);
  flex: 0 0 auto;
}

.page-news .news-lead__text,
.page-news .news-note__text {
  margin: 0 0 0.9rem;
  font-size: 0.9688rem;
  line-height: 1.8;
  color: var(--ash);
}

.page-news .news-points {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
}

.page-news .news-points li {
  position: relative;
  padding-left: 1.1rem;
  margin-bottom: 0.45rem;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--ash);
}

.page-news .news-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7rem;
  width: 8px;
  height: 1px;
  background: var(--lemon);
}

.page-news .news-feature__pair {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--news-gap);
  margin-top: var(--news-gap);
}

.page-news .news-note {
  position: relative;
  padding-top: clamp(1.1rem, 3vw, 1.6rem);
  border-top: 1px solid var(--line-700);
  min-width: 0;
}

.page-news .news-note__title {
  margin: 0.7rem 0 0.5rem;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.125rem;
  line-height: 1.45;
  color: var(--paper);
}

/* ---------- 媒体框 ---------- */
.page-news .media-frame {
  position: relative;
  margin: 0 0 1rem;
  overflow: hidden;
  border: 1px solid var(--line-700);
  background: linear-gradient(135deg, var(--field-800), var(--field-950));
}

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

.page-news .media-frame__caption {
  margin: 0;
  padding: 0.55rem 0.7rem;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--moss);
  border-top: 1px solid var(--line-700);
}

.page-news .news-lead__media .media-frame__img {
  aspect-ratio: 7 / 4;
}

.page-news .news-note--a .media-frame__img {
  aspect-ratio: 2 / 1;
}

.page-news .news-note--b .media-frame__img {
  aspect-ratio: 3 / 4;
}

.page-news .news-venue__media .media-frame__img {
  aspect-ratio: 2 / 1;
}

/* ---------- 条目列表 ---------- */
.page-news .news-list {
  padding: var(--news-pad-y) 0;
  background: var(--field-800);
  border-top: 1px solid var(--line-700);
  border-bottom: 1px solid var(--line-700);
}

.page-news .news-venue {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 1.75rem);
  align-items: center;
  margin-bottom: clamp(1.75rem, 4vw, 2.5rem);
  padding-bottom: clamp(1.25rem, 3vw, 1.75rem);
  border-bottom: 1px solid var(--line-700);
}

.page-news .news-venue__media {
  margin: 0;
}

.page-news .news-venue__label {
  margin: 0 0 0.5rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
}

.page-news .news-venue__desc {
  margin: 0 0 1.1rem;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--ash);
}

.page-news .news-panel {
  padding: 0;
}

.page-news .news-item {
  position: relative;
  border-bottom: 1px solid var(--line-700);
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6rem;
  bottom: 0.6rem;
  width: 2px;
  background: var(--lemon);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 0.28s var(--ease);
}

.page-news .news-item:hover::before,
.page-news .news-item:focus-within::before,
.page-news .news-item[open]::before {
  transform: scaleY(1);
}

.page-news .news-item__sum {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.3rem 0.85rem;
  align-items: start;
  padding: 1rem 0.35rem 1rem 0.9rem;
  cursor: pointer;
  list-style: none;
  transition: background-color 0.2s var(--ease);
}

.page-news .news-item__sum::-webkit-details-marker {
  display: none;
}

.page-news .news-item__sum:hover {
  background: rgba(30, 74, 50, 0.35);
}

.page-news .news-item__sum:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: -2px;
}

.page-news .news-item__no {
  padding-top: 0.15rem;
  font-family: var(--mono);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--moss);
}

.page-news .news-item__main {
  display: block;
  min-width: 0;
}

.page-news .news-item__title {
  display: block;
  margin: 0.4rem 0 0.35rem;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.0625rem;
  line-height: 1.45;
  color: var(--paper);
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--moss);
}

.page-news .news-item__caret {
  width: 9px;
  height: 9px;
  margin-top: 0.55rem;
  border-right: 1.5px solid var(--moss);
  border-bottom: 1.5px solid var(--moss);
  transform: rotate(45deg);
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-news .news-item[open] .news-item__caret {
  transform: rotate(225deg);
  border-color: var(--lemon);
}

.page-news .news-item__panel {
  padding: 0 0.5rem 1.15rem 0.9rem;
}

.page-news .news-item__panel p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--ash);
}

/* ---------- 归档说明（纸面） ---------- */
.page-news .news-archive {
  padding: var(--news-pad-y) 0;
  background: var(--field-900);
}

.page-news .news-paper {
  position: relative;
  padding: clamp(1.4rem, 5vw, 3rem);
  color: var(--ink-900);
}

.page-news .news-paper::after {
  content: "";
  position: absolute;
  inset: 0.6rem;
  border: 1px solid rgba(36, 28, 20, 0.16);
  pointer-events: none;
}

.page-news .news-paper__lede {
  max-width: 62ch;
  margin: 0 0 clamp(1.5rem, 4vw, 2.25rem);
  font-size: 1rem;
  line-height: 1.85;
  color: #3a3128;
}

.page-news .news-paper__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.25rem, 3vw, 2rem);
}

.page-news .news-paper__col {
  padding-top: 0.9rem;
  border-top: 2px solid var(--ink-900);
}

.page-news .news-paper__colno {
  margin: 0 0 0.4rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--flag);
}

.page-news .news-paper__coltitle {
  margin: 0 0 0.6rem;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.125rem;
  line-height: 1.35;
  color: var(--ink-900);
}

.page-news .news-paper__col p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: #3a3128;
}

/* ---------- 投稿与引用 ---------- */
.page-news .news-submit {
  padding: var(--news-pad-y) 0 calc(var(--news-pad-y) + 1rem);
  background: linear-gradient(180deg, var(--field-900) 0%, var(--field-950) 100%);
}

.page-news .news-submit__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

.page-news .news-submit__card {
  position: relative;
  padding: 1.25rem 0 1.4rem 1.05rem;
  border-top: 1px solid var(--line-700);
}

.page-news .news-submit__card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.45rem;
  bottom: 1.55rem;
  width: 2px;
  background: var(--flag);
}

.page-news .news-submit__title {
  margin: 0 0 0.55rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-news .news-submit__text {
  margin: 0 0 1rem;
  max-width: 44ch;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--ash);
}

.page-news .news-submit__mail {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.875rem;
  letter-spacing: 0.06em;
  color: var(--blue);
  word-break: break-all;
}

.page-news .news-submit__card .btn {
  margin-top: 0.15rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-news .news-feature__pair {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
  }

  .page-news .news-note--b {
    margin-top: 3rem;
  }

  .page-news .news-submit__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 clamp(1.5rem, 3vw, 2.5rem);
  }

  .page-news .news-venue {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }

  .page-news .news-venue__media {
    margin: 0;
  }

  .page-news .news-item__panel {
    padding-left: 3.4rem;
    padding-right: 3rem;
    max-width: 68ch;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  }

  .page-news .news-lead {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
    align-items: center;
  }

  .page-news .news-lead__media {
    margin: 0;
  }

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

@media (min-width: 1180px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.22fr) minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }
}