.page-news {
  --rail-w: 258px;
  --gap-lg: clamp(26px, 4.5vw, 54px);
  --card-glass: rgba(255, 255, 255, 0.62);
  display: block;
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-news .news-crumb {
  padding-top: 22px;
  padding-bottom: 24px;
}

/* ---------- 档案头版 ---------- */
.page-news .news-cover {
  position: relative;
  overflow: hidden;
  padding-block: clamp(38px, 6vw, 78px);
  background:
    radial-gradient(112% 92% at 88% -12%, rgba(109, 46, 143, 0.62) 0%, rgba(27, 11, 43, 0) 62%),
    var(--ink);
  color: var(--paper);
}

.page-news .news-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(164, 111, 196, 0.15) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(164, 111, 196, 0.15) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

.page-news .news-cover::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background-image: repeating-linear-gradient(to right, var(--gold) 0 1px, transparent 1px 14px);
  opacity: 0.5;
  pointer-events: none;
}

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

.page-news .cover-head {
  max-width: 62ch;
}

.page-news .cover-head .eyebrow,
.page-news .news-cadence .eyebrow {
  color: var(--green);
  border-bottom-color: rgba(155, 197, 61, 0.45);
}

.page-news .news-title {
  margin: 14px 0 0;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(2.5rem, 8.4vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.015em;
  color: #fff;
}

.page-news .news-title span {
  display: block;
  margin-top: 12px;
  font-size: 0.3em;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--grape-lite);
}

.page-news .cover-head .lede {
  margin: 20px 0 0;
  max-width: 52ch;
  font-size: 1.02rem;
  line-height: 1.85;
  color: rgba(246, 242, 233, 0.8);
}

.page-news .cover-row {
  display: grid;
  gap: 18px;
  margin-top: clamp(30px, 5vw, 54px);
}

@media (min-width: 700px) {
  .page-news .cover-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1060px) {
  .page-news .cover-row {
    grid-template-columns: minmax(0, 1.75fr) minmax(0, 1fr) minmax(0, 1fr);
  }
}

.page-news .cover-lead {
  display: grid;
  gap: 18px;
  padding: 18px;
  border: 1px solid rgba(216, 210, 196, 0.24);
  background: rgba(246, 242, 233, 0.06);
  backdrop-filter: blur(10px);
}

@media (min-width: 700px) and (max-width: 1059px) {
  .page-news .cover-lead {
    grid-column: span 2;
  }
}

@media (min-width: 1060px) {
  .page-news .cover-lead {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
    align-items: start;
    gap: 22px;
  }
}

.page-news .cover-lead__media .media-frame {
  border: 1px solid rgba(216, 210, 196, 0.2);
}

.page-news .cover-lead__title {
  margin: 12px 0 0;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.28rem;
  line-height: 1.42;
  color: #fff;
}

.page-news .cover-lead__text {
  margin: 10px 0 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: rgba(246, 242, 233, 0.76);
}

.page-news .cover-mini {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  border: 1px solid rgba(216, 210, 196, 0.2);
  background: rgba(246, 242, 233, 0.04);
  backdrop-filter: blur(8px);
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.page-news .cover-mini:hover {
  border-color: rgba(155, 197, 61, 0.55);
  background: rgba(246, 242, 233, 0.08);
}

.page-news .cover-mini__title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.06rem;
  line-height: 1.46;
  color: #fff;
}

.page-news .cover-mini__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.76;
  color: rgba(246, 242, 233, 0.72);
}

.page-news .news-cover .tag {
  align-self: flex-start;
  color: var(--paper);
  background: rgba(246, 242, 233, 0.09);
  border: 1px solid rgba(246, 242, 233, 0.26);
}

.page-news .news-cover .entry-stamp {
  margin-top: auto;
  color: var(--gold);
}

.page-news .entry-stamp {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.08em;
}

.page-news .entry-card .entry-stamp {
  color: var(--grape);
}

/* ---------- 档案区：标题与筛选 ---------- */
.page-news .news-archive {
  padding-block: clamp(46px, 7vw, 88px);
  background: var(--paper);
  color: var(--text);
}

.page-news .archive-head {
  max-width: 66ch;
}

.page-news .archive-title {
  margin: 12px 0 0;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.4vw, 2.3rem);
  line-height: 1.25;
  color: var(--text);
}

.page-news .archive-text {
  margin: 14px 0 0;
  font-size: 0.96rem;
  line-height: 1.85;
  color: rgba(36, 22, 51, 0.78);
}

.page-news .news-archive .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
  padding: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(8px);
}

.page-news .news-archive .filter-btn {
  appearance: none;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.03em;
  padding: 9px 14px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.18s ease, color 0.18s ease, background-color 0.18s ease;
}

.page-news .news-archive .filter-btn:hover {
  border-color: var(--grape-lite);
  color: var(--grape);
}

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

.page-news .news-archive .filter-btn[aria-pressed="true"] {
  border-color: var(--green);
  background: rgba(155, 197, 61, 0.14);
  color: var(--green-deep);
}

.page-news .news-archive .filter-status {
  margin: 12px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--grape);
}

/* ---------- 双栏：左索引 + 右条目 ---------- */
.page-news .news-layout {
  display: grid;
  gap: var(--gap-lg);
  margin-top: 30px;
}

@media (min-width: 1000px) {
  .page-news .news-layout {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    align-items: start;
  }
}

.page-news .news-rail {
  display: grid;
  gap: 26px;
  align-content: start;
  align-self: start;
}

@media (min-width: 1000px) {
  .page-news .news-rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    padding-right: 22px;
    border-right: 1px solid var(--line);
  }
}

.page-news .rail-title {
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--grape);
}

.page-news .rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-news .rail-link {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 9px 8px;
  border-left: 2px solid transparent;
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.18s ease, background-color 0.18s ease, color 0.18s ease;
}

.page-news .rail-link:hover,
.page-news .rail-link:focus-visible {
  border-left-color: var(--green);
  background: rgba(109, 46, 143, 0.06);
  color: var(--grape);
}

.page-news .rail-link.is-linked {
  border-left-color: var(--green);
  background: rgba(155, 197, 61, 0.14);
  color: var(--grape);
}

.page-news .rail-no {
  font-size: 11px;
  color: var(--grape-lite);
}

.page-news .rail-label {
  font-size: 14px;
  line-height: 1.4;
}

.page-news .rail-count {
  font-size: 11px;
  color: var(--grape-lite);
}

.page-news .rail-scale {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .rail-scale li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  color: rgba(36, 22, 51, 0.68);
}

.page-news .rail-scale li:first-child {
  border-top: 0;
}

.page-news .scale-no {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--grape);
}

.page-news .rail-note {
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
  color: rgba(36, 22, 51, 0.56);
}

/* ---------- 条目流 ---------- */
.page-news .news-stream {
  display: grid;
  gap: clamp(26px, 3.6vw, 42px);
  min-width: 0;
}

.page-news .entry-group {
  display: grid;
  gap: 14px;
  scroll-margin-top: calc(var(--header-h) + 28px);
}

.page-news .group-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
  padding: 6px 8px 10px;
  border-bottom: 1px solid var(--line);
  transition: background-color 0.2s ease;
}

.page-news .group-head.is-linked {
  background: rgba(155, 197, 61, 0.12);
}

.page-news .group-no {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--grape-lite);
}

.page-news .group-name {
  margin: 0;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
}

.page-news .group-scope {
  flex: 1 1 240px;
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(36, 22, 51, 0.6);
}

.page-news .group-list {
  display: grid;
  gap: 12px;
}

.page-news .entry-card {
  position: relative;
  padding: 18px 20px 16px 22px;
  border: 1px solid var(--line);
  background: var(--card-glass);
  backdrop-filter: blur(8px);
  transition: border-color 0.18s ease, background-color 0.18s ease;
}

.page-news .entry-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 3px;
  background: var(--grape-lite);
  transition: background-color 0.18s ease;
}

.page-news .entry-card:hover,
.page-news .entry-card:focus-within {
  border-color: var(--grape-lite);
}

.page-news .entry-card:hover::before,
.page-news .entry-card:focus-within::before {
  background: var(--green);
}

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

.page-news .entry-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 12px;
}

.page-news .entry-title {
  margin: 10px 0 0;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.02rem;
  line-height: 1.5;
  color: var(--text);
}

.page-news .entry-time {
  margin: 8px 0 0;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: rgba(36, 22, 51, 0.55);
}

.page-news .entry-detail {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
}

.page-news .entry-detail .detail-summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--grape);
  transition: color 0.18s ease;
}

.page-news .entry-detail .detail-summary::-webkit-details-marker {
  display: none;
}

.page-news .entry-detail .detail-summary::before {
  content: "+";
  font-family: var(--mono);
  font-size: 13px;
  color: var(--green-deep);
}

.page-news .entry-detail[open] .detail-summary::before {
  content: "—";
}

.page-news .entry-detail .detail-summary:hover {
  color: var(--green-deep);
}

.page-news .entry-detail .detail-body {
  margin-top: 10px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.page-news .entry-detail .detail-body p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.82;
  color: rgba(36, 22, 51, 0.82);
}

.page-news .entry-card--thumb {
  display: grid;
  gap: 16px;
}

@media (min-width: 560px) {
  .page-news .entry-card--thumb {
    grid-template-columns: minmax(0, 1fr) 148px;
    align-items: start;
  }
}

.page-news .entry-thumb .media-frame {
  border: 1px solid var(--line);
  background: var(--paper);
}

/* ---------- 档案图区段 ---------- */
.page-news .archive-slab {
  display: grid;
  gap: 18px;
  margin-top: clamp(34px, 5vw, 56px);
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

@media (min-width: 760px) {
  .page-news .archive-slab {
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: center;
    gap: 28px;
  }
}

.page-news .archive-slab__media {
  border: 1px solid var(--line);
  opacity: 0.52;
  transition: opacity 0.25s ease;
}

.page-news .archive-slab__media:hover {
  opacity: 0.92;
}

.page-news .archive-slab__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: grayscale(1);
}

.page-news .archive-slab__title {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--grape);
}

.page-news .archive-slab__text {
  margin: 8px 0 0;
  font-size: 0.94rem;
  line-height: 1.82;
  color: rgba(36, 22, 51, 0.75);
}

/* ---------- 更新节奏 ---------- */
.page-news .news-cadence {
  padding-block: clamp(46px, 7vw, 84px);
  background: var(--indigo);
  color: var(--paper);
}

.page-news .cadence-head {
  max-width: 60ch;
}

.page-news .cadence-title {
  margin: 12px 0 0;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.4vw, 2.3rem);
  line-height: 1.25;
  color: #fff;
}

.page-news .cadence-lede {
  margin: 14px 0 0;
  font-size: 0.96rem;
  line-height: 1.85;
  color: rgba(246, 242, 233, 0.76);
}

.page-news .cadence-grid {
  display: grid;
  gap: 18px;
  margin-top: clamp(28px, 4.5vw, 46px);
}

@media (min-width: 780px) {
  .page-news .cadence-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-news .cadence-item {
  padding: 22px 20px 24px;
  border: 1px solid rgba(246, 242, 233, 0.18);
  background: rgba(246, 242, 233, 0.05);
  backdrop-filter: blur(6px);
}

.page-news .cadence-no {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-news .cadence-name {
  margin: 10px 0 0;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.1rem;
  color: #fff;
}

.page-news .cadence-body {
  margin: 10px 0 0;
  font-size: 0.92rem;
  line-height: 1.82;
  color: rgba(246, 242, 233, 0.74);
}

/* ---------- 线索与纠错 ---------- */
.page-news .news-submit {
  padding-block: clamp(46px, 7vw, 84px);
  background: var(--paper);
  color: var(--text);
}

.page-news .submit-grid {
  display: grid;
  gap: var(--gap-lg);
}

@media (min-width: 900px) {
  .page-news .submit-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
  }
}

.page-news .submit-title {
  margin: 12px 0 0;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.4vw, 2.2rem);
  line-height: 1.25;
  color: var(--text);
}

.page-news .submit-lede {
  margin: 14px 0 0;
  max-width: 56ch;
  font-size: 0.98rem;
  line-height: 1.85;
  color: rgba(36, 22, 51, 0.78);
}

.page-news .submit-steps {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-news .submit-steps li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 13px 0;
  border-top: 1px solid var(--line);
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(36, 22, 51, 0.82);
}

.page-news .submit-steps li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-news .step-no {
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--grape);
}

.page-news .submit-main .btn {
  margin-top: 26px;
}

.page-news .submit-aside {
  display: grid;
  gap: 18px;
  padding: 22px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(8px);
}

.page-news .submit-aside .note-aside p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.82;
  color: rgba(36, 22, 51, 0.78);
}

.page-news .submit-aside .contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.page-news .submit-aside .contact-value {
  font-size: 13px;
  color: var(--text);
  word-break: break-all;
}

.page-news .submit-aside .copy-btn {
  font-family: var(--sans);
  font-size: 12px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--grape);
  cursor: pointer;
  transition: border-color 0.18s ease, color 0.18s ease;
}

.page-news .submit-aside .copy-btn:hover {
  border-color: var(--green);
  color: var(--green-deep);
}

/* ---------- 响应式收口 ---------- */
@media (max-width: 999px) {
  .page-news .news-rail {
    padding: 18px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.45);
    backdrop-filter: blur(6px);
  }
}

@media (max-width: 419px) {
  .page-news .news-archive .filter-btn {
    flex: 1 1 calc(50% - 8px);
    text-align: center;
  }

  .page-news .entry-card {
    padding: 16px 16px 14px 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news * {
    transition: none !important;
    animation: none !important;
  }
}