.page-news {
  --news-sticky: var(--topbar-h);
  padding-top: 26px;
  padding-bottom: 72px;
}

@media (min-width: 1024px) {
  .page-news {
    --news-sticky: 0px;
    padding-top: 40px;
    padding-bottom: 104px;
  }
}

.page-news .crumbing,
.page-news .breadcrumb {
  margin-bottom: 26px;
}

.page-news .news-intro {
  max-width: 940px;
}

.page-news .news-h1 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(32px, 6.4vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 12px 0 20px;
  max-width: 22ch;
}

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

.page-news .news-meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 26px 0 0;
  padding: 0;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-news .news-meta li {
  position: relative;
  padding-left: 14px;
}

.page-news .news-meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 5px;
  height: 5px;
  margin-top: -2px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-news .news-meta li:nth-child(2)::before {
  background: var(--orange);
}

.page-news .news-meta li:nth-child(3)::before {
  background: var(--violet);
}

.page-news .news-figure {
  position: relative;
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(122, 92, 255, 0.2), rgba(46, 123, 255, 0.12) 52%, rgba(63, 224, 208, 0.12));
}

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

.page-news .news-figure .figure-caption {
  padding: 12px 16px 14px;
  margin: 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
  background: var(--layer);
  border-top: 1px solid var(--line);
}

.page-news .news-figure--hero {
  margin-top: 34px;
}

.page-news .news-figure--hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 58%, rgba(7, 12, 28, 0.5));
  pointer-events: none;
}

.page-news .news-toc {
  position: sticky;
  top: var(--news-sticky);
  z-index: 6;
  margin: 40px 0 0;
  padding: 11px 0;
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(7, 12, 28, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-news .toc-label {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-news .toc-list {
  list-style: none;
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-news .toc-list a {
  display: inline-block;
  white-space: nowrap;
  padding: 6px 13px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease), background 0.16s var(--ease);
}

.page-news .toc-list a:hover,
.page-news .toc-list a:focus-visible {
  color: var(--cyan);
  border-color: rgba(63, 224, 208, 0.4);
  background: rgba(63, 224, 208, 0.08);
}

.page-news .news-section {
  margin-top: 76px;
  scroll-margin-top: calc(var(--news-sticky) + 76px);
}

@media (min-width: 1024px) {
  .page-news .news-section {
    margin-top: 112px;
  }
}

.page-news .news-head {
  display: grid;
  gap: 10px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 32px;
}

.page-news .news-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.26em;
  color: var(--cyan);
}

.page-news .news-h2 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(26px, 4.2vw, 42px);
  line-height: 1.16;
  letter-spacing: -0.005em;
  color: var(--text);
  margin: 0;
}

.page-news .news-sub {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

@media (min-width: 768px) {
  .page-news .news-head {
    grid-template-columns: 64px minmax(0, 1fr);
    grid-template-areas:
      "num title"
      "num sub";
    column-gap: 24px;
    align-items: start;
  }

  .page-news .news-num {
    grid-area: num;
    padding-top: 10px;
  }

  .page-news .news-h2 {
    grid-area: title;
  }

  .page-news .news-sub {
    grid-area: sub;
  }
}

/* 栏目导览 */
.page-news .guide-layout {
  display: grid;
  gap: 28px;
}

@media (min-width: 900px) {
  .page-news .guide-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 44px;
    align-items: start;
  }

  .page-news .guide-layout > .news-figure {
    position: sticky;
    top: calc(var(--news-sticky) + 84px);
  }
}

.page-news .guide-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .guide-item {
  position: relative;
  padding: 22px 22px 22px 26px;
  border-radius: var(--radius);
  background: var(--glass);
  border: 1px solid var(--line);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: border-color 0.18s var(--ease);
}

.page-news .guide-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 2px;
  border-radius: 2px;
  background: var(--line);
}

.page-news .guide-item--cyan::before {
  background: linear-gradient(180deg, var(--cyan), rgba(63, 224, 208, 0.15));
}

.page-news .guide-item--orange::before {
  background: linear-gradient(180deg, var(--orange), rgba(255, 122, 47, 0.15));
}

.page-news .guide-item--violet::before {
  background: linear-gradient(180deg, var(--violet), rgba(122, 92, 255, 0.15));
}

.page-news .guide-item--green::before {
  background: linear-gradient(180deg, var(--green), rgba(53, 199, 137, 0.15));
}

.page-news .guide-item:hover {
  border-color: rgba(63, 224, 208, 0.3);
}

.page-news .guide-name {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-news .guide-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--text);
}

.page-news .guide-who {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* 条目列表 */
.page-news .issues-wrap {
  display: grid;
  gap: 26px;
}

@media (min-width: 1024px) {
  .page-news .issues-wrap {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-news .issues-side {
    position: sticky;
    top: calc(var(--news-sticky) + 84px);
  }
}

.page-news .news-figure--square {
  margin-bottom: 14px;
}

.page-news .issues-side-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--muted);
  border-left: 2px solid var(--line);
  padding-left: 12px;
}

.page-news .issues {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

@media (min-width: 900px) {
  .page-news .issues {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-news .issue--wide {
    grid-column: span 7;
  }

  .page-news .issue--narrow {
    grid-column: span 5;
  }
}

.page-news .issue {
  position: relative;
  padding: 18px 20px 20px 22px;
  border-radius: var(--radius);
  background: var(--layer);
  border: 1px solid var(--line);
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-news .issue::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 0;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--cyan), var(--violet));
  transition: width 0.18s var(--ease);
}

.page-news .issue:hover::before,
.page-news .issue:focus-within::before {
  width: 3px;
}

.page-news .issue:hover {
  border-color: rgba(63, 224, 208, 0.38);
  background: rgba(22, 36, 74, 0.72);
}

.page-news .issue-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.page-news .issue-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid currentColor;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.page-news .issue-tag--cyan {
  color: var(--cyan);
}

.page-news .issue-tag--orange {
  color: var(--orange);
}

.page-news .issue-tag--violet {
  color: var(--violet);
}

.page-news .issue-tag--green {
  color: var(--green);
}

.page-news .issue-time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-news .issue-title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--text);
}

.page-news .issue--narrow .issue-title {
  font-size: 16.5px;
}

.page-news .issue-sum {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
  transition: color 0.18s var(--ease);
}

.page-news .issue:hover .issue-sum {
  color: var(--text);
}

/* 专题系列 */
.page-news .series-layout {
  display: grid;
  gap: 30px;
}

@media (min-width: 900px) {
  .page-news .series-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 44px;
    align-items: start;
  }

  .page-news .series-layout > .news-figure {
    position: sticky;
    top: calc(var(--news-sticky) + 84px);
  }
}

.page-news .series-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: none;
}

.page-news .series-item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 16px;
  padding: 22px 6px;
  border-bottom: 1px solid var(--line);
  transition: background 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.page-news .series-item:first-child {
  border-top: 1px solid var(--line);
}

.page-news .series-item:hover {
  background: rgba(22, 36, 74, 0.5);
  padding-left: 14px;
}

.page-news .series-idx {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  padding-top: 4px;
}

.page-news .series-name {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--text);
}

.page-news .series-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-news .series-node {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

/* 更新节奏 */
.page-news .rhythm-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

@media (min-width: 720px) {
  .page-news .rhythm-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-news .rhythm-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-news .rhythm-item {
  background: var(--layer);
  padding: 26px 22px 30px;
}

.page-news .rhythm-tag {
  display: inline-block;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-news .rhythm-item h3 {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--text);
}

.page-news .rhythm-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* 订阅与跟进 */
.page-news .follow-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

@media (min-width: 860px) {
  .page-news .follow-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-news .follow-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 24px 28px;
  border-radius: var(--radius);
  background: var(--layer);
  border: 1px solid var(--line);
}

.page-news .follow-card--accent {
  border-color: rgba(63, 224, 208, 0.36);
  box-shadow: inset 0 1px 0 rgba(63, 224, 208, 0.24);
}

.page-news .follow-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-news .follow-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .follow-card .btn {
  margin-top: auto;
  align-self: flex-start;
}

.page-news .follow-more {
  margin: 26px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .follow-more a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 208, 0.35);
}

.page-news .follow-more a:hover {
  border-bottom-color: var(--cyan);
}

@media (prefers-reduced-motion: reduce) {
  .page-news .issue::before,
  .page-news .series-item,
  .page-news .issue-sum,
  .page-news .toc-list a {
    transition: none;
  }
}