.page-news {
  --n-guide: var(--cyan);
  --n-rule: var(--gold);
  --n-maker: var(--indigo);
  --n-month: var(--violet);
  --n-qa: var(--moss);
  display: block;
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* ---------- 顶部基调 ---------- */
.page-news .news-intro {
  padding: clamp(22px, 4vw, 44px) 0 clamp(30px, 5vw, 56px);
}

.page-news .news-intro__grid {
  display: grid;
  gap: 26px;
}

@media (min-width: 900px) {
  .page-news .news-intro__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: end;
    gap: 48px;
  }
}

.page-news .news-intro h1 {
  margin: 14px 0 20px;
  font-family: var(--font-head);
  font-size: clamp(30px, 6.4vw, 54px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: 0.01em;
  color: var(--text);
}

.page-news .news-intro__lead {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
}

.page-news .news-intro__lead strong {
  color: var(--text);
  font-weight: 600;
}

.page-news .news-intro__visual {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--panel);
}

.page-news .news-intro__visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 6;
  object-fit: cover;
}

/* ---------- 栏目标签胶囊 ---------- */
.page-news .col-tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  border: 1px solid var(--tag, var(--cyan));
  border-radius: 999px;
  color: var(--tag, var(--cyan));
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: 0.12em;
  white-space: nowrap;
  background: transparent;
}

.page-news .col-tag--guide {
  --tag: var(--n-guide);
  background: rgba(47, 224, 200, 0.1);
}

.page-news .col-tag--rule {
  --tag: var(--n-rule);
  background: rgba(242, 179, 80, 0.1);
}

.page-news .col-tag--maker {
  --tag: var(--n-maker);
  background: rgba(91, 141, 239, 0.12);
}

.page-news .col-tag--month {
  --tag: var(--n-month);
  background: rgba(139, 123, 232, 0.12);
}

.page-news .col-tag--qa {
  --tag: var(--n-qa);
  background: rgba(127, 191, 106, 0.12);
}

/* ---------- 五个栏目 ---------- */
.page-news .news-columns {
  padding: clamp(28px, 5vw, 56px) 0 clamp(30px, 5vw, 60px);
}

.page-news .columns-flow {
  display: grid;
  gap: 26px;
}

@media (min-width: 1000px) {
  .page-news .columns-flow {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 56px;
  }

  .page-news .columns-flow__rail {
    position: sticky;
    top: 116px;
    align-self: start;
  }
}

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

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

@media (min-width: 1000px) {
  .page-news .columns-flow__rail-list {
    flex-direction: column;
    overflow: visible;
    padding: 0;
  }
}

.page-news .columns-flow__rail-link {
  display: inline-block;
  padding: 9px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .columns-flow__rail-link:hover,
.page-news .columns-flow__rail-link:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
}

.page-news .column-block {
  display: grid;
  gap: 14px;
  padding: 26px 0 30px;
  border-top: 1px solid var(--line);
}

.page-news .column-block:last-child {
  border-bottom: 1px solid var(--line);
}

@media (min-width: 760px) {
  .page-news .column-block {
    grid-template-columns: 112px minmax(0, 1fr);
    gap: 30px;
    align-items: start;
  }
}

.page-news .column-block__num {
  margin: 0;
  font-size: clamp(48px, 12vw, 84px);
  font-weight: 700;
  line-height: 0.82;
  letter-spacing: -0.02em;
  color: var(--tag, var(--cyan));
  opacity: 0.24;
}

.page-news .column-block--guide {
  --tag: var(--n-guide);
}

.page-news .column-block--rule {
  --tag: var(--n-rule);
}

.page-news .column-block--maker {
  --tag: var(--n-maker);
}

.page-news .column-block--month {
  --tag: var(--n-month);
}

.page-news .column-block--qa {
  --tag: var(--n-qa);
}

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

.page-news .column-block__freq {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-news .column-block__title {
  margin: 14px 0 10px;
  font-family: var(--font-head);
  font-size: clamp(20px, 3vw, 27px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
}

.page-news .column-block__body {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.85;
}

.page-news .column-block__figure {
  margin: 20px 0 0;
  max-width: 240px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--panel);
}

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

/* ---------- 本期条目 ---------- */
.page-news .news-issue {
  padding: clamp(30px, 5vw, 60px) 0;
}

.page-news .issue-list {
  display: grid;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .issue-item {
  padding: 22px 0 24px;
  border-top: 1px solid var(--line);
}

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

@media (min-width: 860px) {
  .page-news .issue-item:nth-child(odd) {
    padding-right: 9%;
  }

  .page-news .issue-item:nth-child(even) {
    margin-left: 9%;
    padding-left: 22px;
    border-left: 2px solid var(--line);
  }
}

.page-news .issue-item__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 10px;
}

.page-news .issue-item__time {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-news .issue-item__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 700;
  line-height: 1.4;
}

.page-news .issue-item__title a {
  color: var(--text);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-news .issue-item__title a:hover,
.page-news .issue-item__title a:focus-visible {
  color: var(--accent);
}

.page-news .issue-item__excerpt {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

/* ---------- 专题系列 ---------- */
.page-news .news-series {
  padding: clamp(30px, 5vw, 60px) 0;
}

.page-news .series-grid {
  display: grid;
  gap: 24px;
}

@media (min-width: 820px) {
  .page-news .series-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }
}

.page-news .series-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--panel);
  transition: border-color 0.24s var(--ease);
}

.page-news .series-card:hover {
  border-color: var(--violet);
}

.page-news .series-card__cover {
  position: relative;
  margin: 0;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: #101a2c;
}

.page-news .series-card__cover img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .series-card__svg {
  display: block;
  width: 100%;
  height: 100%;
}

.page-news .series-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 20px 22px 24px;
}

.page-news .series-card__state {
  margin: 0 0 10px;
  color: var(--violet);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.page-news .series-card__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text);
}

.page-news .series-card__text {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.8;
}

.page-news .series-card__progress {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.04em;
}

/* ---------- 上一期 ---------- */
.page-news .news-prev {
  padding: clamp(28px, 5vw, 56px) 0;
}

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

.page-news .prev-list__item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.page-news .prev-list__item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-news .prev-list__link {
  flex: 1 1 260px;
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-news .prev-list__link:hover,
.page-news .prev-list__link:focus-visible {
  color: var(--accent);
}

.page-news .prev-list__time {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.06em;
}

/* ---------- 更新节奏 ---------- */
.page-news .news-rhythm {
  padding: clamp(30px, 5vw, 60px) 0 0;
}

.page-news .rhythm__grid {
  display: grid;
  gap: 28px;
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel-soft);
}

@media (min-width: 900px) {
  .page-news .rhythm__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }
}

.page-news .rhythm__lead {
  max-width: 720px;
  margin: 16px 0 24px;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.85;
}

.page-news .rhythm__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
}

.page-news .rhythm__list {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .rhythm__item {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

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

.page-news .rhythm__key {
  color: var(--gold);
  font-size: 14px;
  letter-spacing: 0.04em;
}

.page-news .rhythm__desc {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.8;
}

@media (prefers-reduced-motion: reduce) {
  .page-news .columns-flow__rail-link,
  .page-news .issue-item__title a,
  .page-news .prev-list__link,
  .page-news .series-card {
    transition: none;
  }
}