.page-news {
  background: var(--ink);
  color: var(--ivory);
  padding-bottom: var(--s6);
  overflow-x: hidden;
}

.page-news .container {
  max-width: var(--maxw);
}

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

/* 面包屑 */
.page-news .breadcrumb {
  margin: var(--s3) 0 var(--s2);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

.page-news .breadcrumb a {
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 180ms ease;
}

.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  border-bottom-color: var(--gold);
}

.page-news .breadcrumb .sep {
  margin: 0 8px;
  color: var(--line-gold-strong);
}

/* 期号条 */
.page-news .issue-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px var(--s2);
  padding: 10px 0;
  border-top: 1px solid var(--line-gold);
  border-bottom: 1px solid var(--line-gold);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

.page-news .issue-vol {
  font-family: var(--font-serif);
  font-size: 15px;
  letter-spacing: 0.14em;
  color: var(--gold-soft);
}

.page-news .issue-dot {
  width: 4px;
  height: 4px;
  background: var(--gold);
  display: inline-block;
}

.page-news .issue-label {
  color: rgba(242, 234, 219, 0.86);
}

.page-news .issue-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--celadon);
}

.page-news .issue-jump {
  margin-left: auto;
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold-strong);
  transition: border-color 180ms ease, color 180ms ease;
}

.page-news .issue-jump + .issue-jump {
  margin-left: 0;
}

.page-news .issue-jump:hover,
.page-news .issue-jump:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* 首屏 */
.page-news .masthead {
  display: grid;
  gap: var(--s4);
  padding: var(--s5) 0 var(--s5);
}

.page-news .eyebrow {
  color: var(--gold-soft);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: var(--s1);
}

.page-news .masthead h1 {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(30px, 7vw, 58px);
  line-height: 1.16;
  letter-spacing: 0.04em;
  margin: 0 0 var(--s2);
  color: var(--ivory);
}

.page-news .masthead-lede {
  font-size: 16px;
  line-height: 1.85;
  color: rgba(242, 234, 219, 0.8);
  max-width: 60ch;
  margin: 0 0 var(--s3);
}

.page-news .masthead-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2);
}

.page-news .masthead-figure {
  margin: 0;
}

.page-news .figure-frame {
  border: 1px solid var(--line-gold);
  background: var(--ink-2);
  overflow: hidden;
}

.page-news .figure-caption {
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

/* 主体：左栏索引 + 右栏内容 */
.page-news .ledger {
  display: grid;
  gap: var(--s4);
  padding-top: var(--s4);
  border-top: 1px solid var(--line-gold-strong);
}

.page-news .news-rail {
  display: none;
}

.page-news .rail-title {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--slate);
  padding-bottom: var(--s2);
  margin: 0 0 var(--s1);
  border-bottom: 1px solid var(--line-gold);
}

.page-news .rail-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 0;
  font-size: 13px;
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid rgba(230, 206, 147, 0.12);
  transition: color 180ms ease;
}

.page-news .rail-link .rail-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--line-gold-strong);
  letter-spacing: 0.08em;
}

.page-news .rail-link:hover,
.page-news .rail-link:focus-visible,
.page-news .rail-link[aria-current="true"] {
  color: var(--gold);
}

.page-news .rail-link[aria-current="true"] .rail-num {
  color: var(--gold);
}

/* 章节 */
.page-news .chapter {
  padding: var(--s4) 0;
  border-top: 1px solid var(--line-gold);
}

.page-news .chapter:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-news .section-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px var(--s2);
  align-items: baseline;
  margin-bottom: var(--s3);
}

.page-news .section-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-news .section-title {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(21px, 3.6vw, 30px);
  line-height: 1.35;
  letter-spacing: 0.04em;
  color: var(--ivory);
  margin: 0;
}

.page-news .section-note {
  grid-column: 2;
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate);
  max-width: 64ch;
  margin: 0;
}

.page-news .chapter-text {
  font-size: 16px;
  line-height: 1.85;
  color: rgba(242, 234, 219, 0.8);
  max-width: 66ch;
  margin: 0 0 var(--s3);
}

/* 条目列表 */
.page-news .entry-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .entry {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: var(--s2);
  padding: var(--s3) 0;
  border-top: 1px solid var(--line-gold);
}

.page-news .entry:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-news .entry-no {
  font-family: var(--font-mono);
  font-size: 17px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-news .entry-title {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--ivory);
  margin: 0 0 8px;
}

.page-news .entry-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 8px;
}

.page-news .entry-tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border: 1px solid var(--line-gold-strong);
  border-radius: 2px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gold-soft);
  background: rgba(201, 162, 39, 0.1);
}

.page-news .entry-tag--celadon {
  color: #93C9BB;
  border-color: rgba(79, 138, 123, 0.55);
  background: rgba(79, 138, 123, 0.14);
}

.page-news .entry-tag--cinnabar {
  color: #E0988F;
  border-color: rgba(178, 58, 47, 0.55);
  background: rgba(178, 58, 47, 0.14);
}

.page-news .entry-tag--slate {
  color: #B4C4D2;
  border-color: rgba(138, 160, 180, 0.45);
  background: rgba(138, 160, 180, 0.12);
}

.page-news .entry-issue {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-news .entry-summary {
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(242, 234, 219, 0.74);
  max-width: 66ch;
  margin: 0;
}

/* 系列索引 */
.page-news .series-board {
  display: grid;
  gap: var(--s4);
}

.page-news .series-figure {
  margin: 0;
}

.page-news .series-tabs .tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: var(--s2);
  margin-bottom: var(--s3);
  border-bottom: 1px solid var(--line-gold);
}

.page-news .series-tabs .tab {
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: 0.08em;
  padding: 8px 12px;
  color: var(--slate);
  background: transparent;
  border: 1px solid var(--line-gold);
  border-radius: 2px;
  cursor: pointer;
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}

.page-news .series-tabs .tab:hover {
  color: var(--gold-soft);
  border-color: var(--gold-soft);
}

.page-news .series-tabs .tab[aria-selected="true"] {
  color: var(--ink);
  background: var(--gold);
  border-color: var(--gold);
}

.page-news .series-title {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ivory);
  margin: 0 0 var(--s1);
}

.page-news .series-text {
  font-size: 15px;
  line-height: 1.85;
  color: rgba(242, 234, 219, 0.78);
  margin: 0 0 var(--s2);
}

.page-news .series-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .series-points li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
}

.page-news .series-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 1px;
  background: var(--gold);
}

/* 每期说明 */
.page-news .editions-figure {
  margin: 0 0 var(--s4);
}

.page-news .edition-acc .acc-item {
  border-top: 1px solid var(--line-gold);
  padding: var(--s2) 0;
}

.page-news .edition-acc .acc-item:last-child {
  border-bottom: 1px solid var(--line-gold);
}

.page-news .edition-acc summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  cursor: pointer;
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--ivory);
  list-style: none;
  padding: 4px 0;
}

.page-news .edition-acc summary::-webkit-details-marker {
  display: none;
}

.page-news .edition-acc summary:hover {
  color: var(--gold-soft);
}

.page-news .acc-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 0.1em;
  min-width: 18px;
}

.page-news .edition-acc .accordion-body p {
  margin: 8px 0 0;
  padding-left: 30px;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(242, 234, 219, 0.74);
  max-width: 64ch;
}

/* 帮助条目调整（暖纸区） */
.page-news .chapter--paper {
  border-top: 0;
  padding-top: var(--s3);
}

.page-news .paper-panel {
  background: var(--paper);
  color: var(--black);
  padding: var(--s4) var(--s3);
  border-left: 3px solid var(--gold);
}

.page-news .paper-panel .section-title {
  color: var(--black);
}

.page-news .paper-panel .section-num {
  color: var(--cinnabar);
}

.page-news .paper-panel .section-note {
  color: rgba(14, 20, 25, 0.66);
}

.page-news .paper-text {
  font-size: 15.5px;
  line-height: 1.9;
  color: rgba(14, 20, 25, 0.82);
  max-width: 64ch;
  margin: 0 0 var(--s3);
}

.page-news .track-figure {
  margin: 0 0 var(--s3);
}

.page-news .paper-panel .figure-frame {
  border-color: rgba(14, 20, 25, 0.18);
  background: var(--ivory);
}

.page-news .paper-panel .figure-caption {
  color: rgba(14, 20, 25, 0.6);
}

.page-news .phase-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--s2);
}

.page-news .phase {
  padding-left: var(--s2);
  border-left: 1px solid rgba(178, 58, 47, 0.45);
}

.page-news .phase-no {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cinnabar);
  margin-bottom: 4px;
}

.page-news .phase-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(14, 20, 25, 0.78);
  max-width: 60ch;
}

/* 回看与索取 */
.page-news .follow-grid {
  display: grid;
  gap: var(--s4);
}

.page-news .follow-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .follow-link {
  display: inline-block;
  font-size: 14.5px;
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
  padding-bottom: 2px;
  transition: color 180ms ease, border-color 180ms ease;
}

.page-news .follow-link:hover,
.page-news .follow-link:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-news .mail-card {
  border: 1px solid var(--line-gold-strong);
  background: var(--ink-2);
  padding: var(--s3);
}

.page-news .mail-label {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--slate);
  margin: 0 0 var(--s2);
}

.page-news .mail-address {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--gold-soft);
  word-break: break-all;
  margin: 0 0 var(--s1);
}

.page-news .mail-note {
  font-size: 13px;
  line-height: 1.8;
  color: var(--slate);
  margin: 0 0 var(--s2);
}

.page-news .mail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.page-news .copy-btn {
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: 0.08em;
  padding: 8px 14px;
  color: var(--ink);
  background: var(--gold);
  border: 1px solid var(--gold);
  border-radius: 2px;
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease;
}

.page-news .copy-btn:hover {
  background: var(--gold-soft);
  border-color: var(--gold-soft);
}

.page-news .copy-feedback {
  display: block;
  margin-top: 8px;
  min-height: 18px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--celadon);
}

/* 焦点可见性 */
.page-news a:focus-visible,
.page-news button:focus-visible,
.page-news summary:focus-visible {
  outline: 2px solid var(--gold-soft);
  outline-offset: 2px;
}

/* 平板及以上 */
@media (min-width: 768px) {
  .page-news .masthead {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
    gap: var(--s4);
    padding: var(--s6) 0 var(--s5);
  }

  .page-news .entry {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: var(--s3);
  }

  .page-news .entry-title {
    font-size: 19px;
  }

  .page-news .entry-summary {
    font-size: 15px;
  }

  .page-news .paper-panel {
    padding: var(--s5) var(--s4);
  }

  .page-news .series-board {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: var(--s5);
    align-items: start;
  }

  .page-news .follow-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    gap: var(--s5);
    align-items: start;
  }
}

/* 桌面：常驻左栏索引 */
@media (min-width: 1024px) {
  .page-news .ledger {
    grid-template-columns: 188px minmax(0, 1fr);
    gap: var(--s5);
    align-items: start;
  }

  .page-news .news-rail {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + var(--s3));
  }

  .page-news .chapter {
    padding: var(--s5) 0;
  }

  .page-news .chapter:first-child {
    padding-top: 0;
  }

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

@media (min-width: 1280px) {
  .page-news .masthead h1 {
    letter-spacing: 0.05em;
  }
}

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