.page-news {
  --nm-sticky-top: calc(var(--h-sm) + 28px);
  --nm-rail-w: 220px;
}

/* ---------- 首屏 ---------- */
.page-news .nm-hero {
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(200, 162, 83, 0.14), transparent 58%),
    linear-gradient(158deg, var(--ink-900) 0%, #0d2b25 58%, #071815 100%);
  color: var(--paper);
  padding: calc(var(--h) + 44px) 0 56px;
}

.page-news .nm-hero-crumb {
  margin-bottom: 28px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(246, 243, 234, 0.58);
}

.page-news .nm-hero-crumb a {
  color: rgba(246, 243, 234, 0.7);
  text-decoration: none;
}

.page-news .nm-hero-crumb a:hover {
  color: var(--gold-300);
}

.page-news .nm-hero-crumb .breadcrumb-current {
  color: var(--gold-300);
}

.page-news .nm-hero-title {
  font-family: var(--font-title);
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: clamp(27px, 5.4vw, 50px);
  line-height: 1.22;
  margin: 16px 0 0;
  max-width: 22ch;
}

.page-news .nm-hero-lead {
  margin: 22px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(246, 243, 234, 0.8);
}

.page-news .nm-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 36px;
  margin: 40px 0 0;
  padding: 22px 0 0;
  list-style: none;
  border-top: 1px solid rgba(246, 243, 234, 0.16);
}

.page-news .nm-hero-stats li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-news .nm-stat-num {
  font-size: 26px;
  font-weight: 700;
  color: var(--gold-500);
  letter-spacing: 0.02em;
}

.page-news .nm-stat-label {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: rgba(246, 243, 234, 0.68);
}

/* ---------- 通用章节 ---------- */
.page-news .nm-section {
  padding: 56px 0;
}

.page-news .nm-head {
  max-width: 740px;
  margin-bottom: 32px;
}

.page-news .nm-h2 {
  font-family: var(--font-title);
  font-size: clamp(23px, 3.4vw, 33px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.28;
  margin: 10px 0 0;
  color: var(--ink-900);
}

.page-news .nm-h2--light {
  color: var(--paper);
}

.page-news .nm-sub {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-700);
  max-width: 66ch;
}

.page-news .nm-inline-link {
  color: var(--ink-500);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
  padding-bottom: 1px;
}

.page-news .nm-inline-link:hover {
  color: var(--cinnabar);
  border-bottom-color: var(--cinnabar);
}

/* ---------- 本期目录 ---------- */
.page-news .nm-section--list {
  padding-top: 8px;
}

.page-news .nm-catalog {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-news .nm-cover {
  margin: 0;
}

.page-news .nm-cover-frame {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-gold);
  box-shadow: var(--shadow-card);
  background: var(--ink-700);
}

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

.page-news .nm-cover figcaption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate-500);
}

.page-news .nm-toc {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .nm-toc-item {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .nm-toc-no {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-500);
  padding-top: 4px;
}

.page-news .nm-toc-main {
  min-width: 0;
}

.page-news .nm-toc-title {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
}

.page-news .nm-toc-title a {
  color: var(--ink-900);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-news .nm-toc-title a:hover {
  border-bottom-color: var(--gold-500);
}

.page-news .nm-toc-meta {
  margin: 6px 0 0;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--slate-500);
}

.page-news .nm-catalog-note {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-700);
  border-left: 2px solid var(--gold-500);
  padding-left: 14px;
}

/* ---------- 目录 + 条目流 ---------- */
.page-news .nm-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-news .nm-rail-block + .nm-rail-block {
  margin-top: 22px;
}

.page-news .nm-rail-title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--slate-500);
}

.page-news .nm-rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-news .nm-rail-link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 12px;
  font-size: 14px;
  color: var(--ink-700);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 2px;
  transition: background 180ms var(--ease), border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-news .nm-rail-link .mono {
  font-size: 12px;
  color: var(--slate-500);
  letter-spacing: 0.06em;
}

.page-news .nm-rail-link:hover {
  border-color: var(--gold-500);
  color: var(--ink-900);
}

.page-news .nm-rail-link.is-active {
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: var(--gold-300);
}

.page-news .nm-rail-link.is-active .mono {
  color: var(--gold-500);
}

.page-news .nm-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 26px;
}

.page-news .nm-chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--ink-700);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 2px;
  transition: background 180ms var(--ease), border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-news .nm-chip:hover {
  border-color: var(--gold-500);
  color: var(--ink-900);
}

.page-news .nm-chip.is-active {
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: var(--gold-300);
}

.page-news .nm-col + .nm-col {
  margin-top: 44px;
  padding-top: 34px;
  border-top: 1px solid var(--line);
}

.page-news .nm-col-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 16px;
  margin-bottom: 10px;
}

.page-news .nm-col-name {
  margin: 0;
  font-family: var(--font-title);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-news .nm-col-count {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate-500);
}

.page-news .nm-col-desc {
  margin: 0 0 14px;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-700);
}

/* ---------- 文章条目 ---------- */
.page-news .nm-entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .nm-entry-no {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate-500);
}

.page-news .nm-entry--lead .nm-entry-no {
  color: var(--ink-500);
  font-weight: 700;
}

.page-news .nm-entry-main {
  min-width: 0;
}

.page-news .nm-entry-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
}

.page-news .nm-meta-text {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--slate-500);
}

.page-news .nm-entry-title {
  margin: 9px 0 0;
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-news .nm-entry--lead .nm-entry-title {
  font-size: 21px;
}

.page-news .nm-entry-sum {
  margin: 10px 0 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-700);
}

.page-news .nm-entry-media {
  margin: 16px 0 0;
}

.page-news .nm-entry-media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  object-fit: cover;
}

.page-news .nm-entry-media figcaption {
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--slate-500);
}

/* ---------- 折叠展开 ---------- */
.page-news .nm-fold {
  margin-top: 14px;
}

.page-news .nm-fold-sum {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  font-size: 13px;
  color: var(--ink-500);
  border: 1px dashed var(--line-gold);
  border-radius: 2px;
  cursor: pointer;
  list-style: none;
  transition: background 180ms var(--ease), border-color 180ms var(--ease);
}

.page-news .nm-fold-sum::-webkit-details-marker {
  display: none;
}

.page-news .nm-fold-sum::before {
  content: "▸";
  font-size: 10px;
  line-height: 1;
  transition: transform 180ms var(--ease);
}

.page-news .nm-fold[open] .nm-fold-sum::before {
  transform: rotate(90deg);
}

.page-news .nm-fold-sum:hover {
  background: rgba(200, 162, 83, 0.12);
  border-color: var(--gold-500);
}

.page-news .nm-fold-sum .mono {
  color: var(--ink-900);
  letter-spacing: 0.04em;
}

.page-news .nm-fold-body {
  margin-top: 10px;
  padding: 14px 16px;
  background: rgba(213, 222, 218, 0.4);
  border-left: 2px solid var(--gold-500);
  border-radius: 2px;
}

.page-news .nm-fold-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-700);
}

.page-news .nm-fold-extra {
  margin-top: 8px !important;
  font-size: 12px !important;
  letter-spacing: 0.04em;
  color: var(--slate-500) !important;
}

/* ---------- 回放时间条 ---------- */
.page-news .nm-track-section {
  background: linear-gradient(180deg, rgba(213, 222, 218, 0.6), rgba(213, 222, 218, 0.18));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 56px 0;
}

.page-news .nm-tl {
  display: flex;
  gap: 0;
  overflow-x: auto;
  padding: 8px 0 6px;
  scrollbar-width: thin;
}

.page-news .nm-tl-node {
  position: relative;
  flex: 1 0 168px;
  padding: 26px 18px 0 0;
  text-decoration: none;
  color: inherit;
  border-top: 1px solid var(--line-gold);
  transition: border-color 180ms var(--ease);
}

.page-news .nm-tl-node::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  width: 9px;
  height: 9px;
  background: var(--gold-500);
  transform: rotate(45deg);
  transition: background 180ms var(--ease), transform 180ms var(--ease);
}

.page-news .nm-tl-node:hover {
  border-top-color: var(--gold-500);
}

.page-news .nm-tl-node:hover::before {
  background: var(--cinnabar);
  transform: rotate(45deg) scale(1.2);
}

.page-news .nm-tl-no {
  display: block;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-500);
}

.page-news .nm-tl-label {
  display: block;
  margin-top: 5px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink-900);
}

.page-news .nm-tl-meta {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--slate-500);
}

.page-news .nm-track-note {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-700);
}

/* ---------- 往期 ---------- */
.page-news .nm-back {
  background:
    radial-gradient(90% 80% at 10% 100%, rgba(200, 162, 83, 0.12), transparent 60%),
    linear-gradient(150deg, var(--ink-900), #0c2722 70%, #071a16);
  color: var(--paper);
  padding: 56px 0;
}

.page-news .nm-back-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-news .nm-back-lead {
  margin: 16px 0 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(246, 243, 234, 0.76);
}

.page-news .nm-back-figure {
  margin: 24px 0 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-light);
}

.page-news .nm-back-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .nm-back-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .nm-back-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line-light);
  transition: background 180ms var(--ease);
}

.page-news .nm-back-item:hover {
  background: rgba(246, 243, 234, 0.05);
}

.page-news .nm-back-no {
  font-size: 18px;
  font-weight: 700;
  color: var(--gold-500);
  letter-spacing: 0.04em;
  padding-top: 2px;
}

.page-news .nm-back-main {
  min-width: 0;
}

.page-news .nm-back-name {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
}

.page-news .nm-back-desc {
  margin: 5px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(246, 243, 234, 0.64);
}

.page-news .nm-back-foot {
  margin: 26px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(246, 243, 234, 0.56);
}

/* ---------- 投稿 ---------- */
.page-news .nm-contrib {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding: 28px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(213, 222, 218, 0.22);
  box-shadow: var(--shadow-card);
}

.page-news .nm-contrib-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.page-news .nm-contrib-list li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.page-news .nm-contrib-no {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-500);
  padding-top: 4px;
}

.page-news .nm-contrib-list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-700);
}

.page-news .nm-contrib-list strong {
  color: var(--ink-900);
  font-weight: 600;
}

.page-news .nm-contrib-side {
  padding: 20px;
  border-radius: var(--radius);
  background: var(--ink-900);
  color: var(--paper);
  border-left: 3px solid var(--gold-500);
}

.page-news .nm-side-label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(246, 243, 234, 0.6);
}

.page-news .nm-mail {
  display: inline-block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--gold-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 162, 83, 0.5);
  word-break: break-all;
}

.page-news .nm-mail:hover {
  color: var(--gold-500);
}

.page-news .nm-side-note {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(246, 243, 234, 0.7);
}

.page-news .nm-side-note .nm-inline-link {
  color: var(--gold-300);
  border-bottom-color: rgba(200, 162, 83, 0.5);
}

.page-news .nm-side-note .nm-inline-link:hover {
  color: var(--gold-500);
  border-bottom-color: var(--gold-500);
}

/* ---------- 焦点态 ---------- */
.page-news a:focus-visible,
.page-news summary:focus-visible {
  outline: 2px solid var(--gold-500);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-news .nm-hero {
    padding: calc(var(--h) + 60px) 0 72px;
  }

  .page-news .nm-contrib {
    padding: 32px 30px;
  }
}

@media (min-width: 900px) {
  .page-news .nm-section {
    padding: 88px 0;
  }

  .page-news .nm-section--list {
    padding-top: 24px;
  }

  .page-news .nm-track-section,
  .page-news .nm-back {
    padding: 88px 0;
  }

  .page-news .nm-hero {
    padding: calc(var(--h) + 84px) 0 96px;
  }

  .page-news .nm-catalog {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 52px;
    align-items: start;
  }

  .page-news .nm-back-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 6fr);
    gap: 56px;
    align-items: start;
  }

  .page-news .nm-contrib {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 40px;
    padding: 44px 40px;
  }

  .page-news .nm-entry {
    grid-template-columns: 74px minmax(0, 1fr);
    gap: 20px;
  }

  .page-news .nm-entry-no {
    padding-top: 6px;
    font-size: 13px;
  }

  .page-news .nm-entry-title {
    font-size: 20px;
  }

  .page-news .nm-entry--lead .nm-entry-title {
    font-size: 24px;
  }
}

@media (min-width: 980px) {
  .page-news .nm-shell {
    grid-template-columns: var(--nm-rail-w) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-news .nm-rail {
    position: sticky;
    top: var(--nm-sticky-top);
    align-self: start;
    padding-right: 8px;
    border-right: 1px solid var(--line);
  }

  .page-news .nm-rail-block + .nm-rail-block {
    margin-top: 30px;
  }

  .page-news .nm-rail-list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }

  .page-news .nm-rail-link {
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    padding: 8px 10px;
    font-size: 14px;
  }

  .page-news .nm-rail-link.is-active {
    border-left-color: var(--gold-500);
    background: rgba(200, 162, 83, 0.14);
    color: var(--ink-900);
  }

  .page-news .nm-rail-link.is-active .mono {
    color: var(--ink-500);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .nm-rail-link,
  .page-news .nm-chip,
  .page-news .nm-fold-sum,
  .page-news .nm-fold-sum::before,
  .page-news .nm-tl-node,
  .page-news .nm-tl-node::before,
  .page-news .nm-back-item {
    transition-duration: 120ms;
  }

  .page-news .nm-tl-node:hover::before {
    transform: rotate(45deg);
  }
}
<<<END>>>