.page-news {
  display: block;
  padding-bottom: clamp(56px, 8vw, 120px);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding: clamp(28px, 5vw, 64px) 0 clamp(32px, 5vw, 72px);
}

.page-news .news-hero__kicker {
  margin: 0 0 clamp(16px, 2.4vw, 28px);
  color: var(--by-ice);
  font-size: 13px;
}

.page-news .news-hero__title {
  margin: 0;
  font-size: clamp(40px, 8.4vw, 132px);
  font-weight: 900;
  line-height: 0.94;
  letter-spacing: -0.03em;
  color: var(--by-text);
  text-wrap: balance;
}

.page-news .news-hero__title em {
  font-style: normal;
  color: var(--by-hot);
  text-shadow: 0 0 32px rgba(255, 46, 139, 0.35);
}

.page-news .news-hero__foot {
  display: grid;
  gap: clamp(24px, 3.4vw, 40px);
  margin-top: clamp(28px, 4vw, 52px);
  padding-top: clamp(20px, 3vw, 32px);
  border-top: 1px solid var(--by-line);
}

.page-news .news-hero__lede {
  margin: 0;
  max-width: 62ch;
}

.page-news .news-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 24px;
  margin: 0;
}

.page-news .news-hero__stats dt {
  margin: 0 0 6px;
  color: var(--by-muted);
  font-size: 12px;
}

.page-news .news-hero__stats dd {
  margin: 0;
  font-family: var(--by-font-mono);
  font-size: clamp(20px, 2.4vw, 28px);
  color: var(--by-ice);
  letter-spacing: 0.02em;
}

@media (min-width: 900px) {
  .page-news .news-hero__foot {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(40px, 6vw, 96px);
    align-items: end;
  }
  .page-news .news-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 主体两栏 ---------- */
.page-news .news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 5vw, 56px);
}

@media (min-width: 1024px) {
  .page-news .news-layout {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: clamp(40px, 5vw, 72px);
    align-items: start;
  }
}

.page-news .news-rail {
  border-top: 3px solid var(--by-line);
  padding-top: 18px;
}

@media (min-width: 1024px) {
  .page-news .news-rail {
    position: sticky;
    top: 96px;
  }
}

.page-news .news-rail__label {
  margin: 0 0 12px;
  color: var(--by-ice);
  font-size: 12px;
  letter-spacing: 0.1em;
}

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

.page-news .news-rail__list li + li {
  border-top: 1px solid var(--by-line);
}

.page-news .news-rail__list a {
  display: block;
  padding: 11px 2px;
  color: var(--by-text);
  text-decoration: none;
  font-size: 15px;
  transition: color 0.24s var(--by-ease), padding-left 0.24s var(--by-ease);
}

.page-news .news-rail__list a:hover,
.page-news .news-rail__list a:focus-visible,
.page-news .news-rail__list a[aria-current="true"] {
  color: var(--by-cyan);
  padding-left: 8px;
}

.page-news .news-rail__list--plain a {
  font-family: var(--by-font-mono);
  font-size: 13px;
  color: var(--by-muted);
}

/* ---------- 章节题头 ---------- */
.page-news .news-main {
  min-width: 0;
}

.page-news .news-sec {
  margin-bottom: clamp(64px, 9vw, 120px);
}

.page-news .news-sec--last {
  margin-bottom: 0;
}

.page-news .news-sec__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px 16px;
  padding-top: 16px;
  margin-bottom: clamp(24px, 3.6vw, 40px);
  border-top: 3px solid var(--by-line);
}

.page-news .news-sec__num {
  color: var(--by-ice);
  font-size: 14px;
}

.page-news .news-sec__title {
  margin: 0;
  font-size: clamp(24px, 3.4vw, 40px);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.18;
  color: var(--by-text);
}

.page-news .news-sec__note {
  margin-left: auto;
  color: var(--by-muted);
  font-size: 12px;
}

.page-news .news-sec__figure {
  margin: 0 0 clamp(28px, 4vw, 44px);
  border: 3px solid var(--by-line);
  background: var(--by-surface);
}

.page-news .news-sec__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-news .news-sec__figure--slim img {
  aspect-ratio: 3 / 2;
}

.page-news .news-sec__figure figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--by-line);
  color: var(--by-muted);
  font-size: 12px;
}

/* ---------- 置顶更新 ---------- */
.page-news .news-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border: 3px solid var(--by-line);
  background: var(--by-surface);
  box-shadow: var(--by-shadow-hard);
}

.page-news .news-top__visual {
  position: relative;
  border-bottom: 3px solid var(--by-line);
  overflow: hidden;
}

.page-news .news-top__visual img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 220px;
  object-fit: cover;
  aspect-ratio: 7 / 4;
}

.page-news .news-top__ver {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 10px 18px;
  background: var(--by-hot);
  color: var(--by-void);
  font-family: var(--by-font-mono);
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-news .news-top__body {
  padding: clamp(22px, 3vw, 40px);
}

.page-news .news-top__meta {
  margin: 0 0 12px;
  color: var(--by-ice);
  font-size: 12px;
}

.page-news .news-top__title {
  margin: 0 0 16px;
  font-size: clamp(21px, 2.6vw, 30px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--by-text);
}

.page-news .news-top__text {
  margin: 0 0 22px;
  color: var(--by-muted);
  font-size: 15px;
  line-height: 1.75;
}

.page-news .news-top__list {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  border-top: 1px solid var(--by-line);
}

.page-news .news-top__list li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  justify-content: space-between;
  padding: 11px 0;
  border-bottom: 1px solid var(--by-line);
  font-size: 14px;
}

.page-news .news-top__list span {
  color: var(--by-muted);
  font-family: var(--by-font-mono);
  font-size: 12px;
}

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

.page-news .news-top__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 900px) {
  .page-news .news-top {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
  }
  .page-news .news-top__visual {
    border-bottom: 0;
    border-right: 3px solid var(--by-line);
  }
  .page-news .news-top__visual img {
    aspect-ratio: auto;
    height: 100%;
    min-height: 420px;
  }
}

/* ---------- 专题线 ---------- */
.page-news .news-topics {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-news .news-topic {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 22px 20px;
  border: 3px solid var(--by-line);
  background: var(--by-surface);
  color: inherit;
  text-decoration: none;
  transition: border-color 0.28s var(--by-ease), transform 0.28s var(--by-ease);
}

.page-news .news-topic::before {
  content: "";
  position: absolute;
  top: -3px;
  left: -3px;
  width: 56px;
  height: 6px;
  background: var(--by-ice);
}

.page-news .news-topic--violet::before {
  background: var(--by-violet);
}

.page-news .news-topic--hot::before {
  background: var(--by-hot);
}

.page-news .news-topic:hover,
.page-news .news-topic:focus-visible {
  border-color: var(--by-cyan);
  transform: translateY(-4px);
}

.page-news .news-topic__label {
  color: var(--by-muted);
  font-size: 12px;
}

.page-news .news-topic__title {
  margin: 0;
  font-size: 22px;
  font-weight: 800;
  color: var(--by-text);
}

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

.page-news .news-topic__meta {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--by-line);
  color: var(--by-ice);
  font-size: 12px;
}

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

/* ---------- 动态列表 ---------- */
.page-news .news-feed {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

.page-news .news-feed__item {
  border-bottom: 1px solid var(--by-line);
  border-left: 3px solid transparent;
  padding-left: 16px;
}

.page-news .news-feed__item--season {
  border-left-color: var(--by-violet);
}

.page-news .news-feed__item--version {
  border-left-color: var(--by-ice);
}

.page-news .news-feed__item--spot {
  border-left-color: var(--by-cyan);
}

.page-news .news-feed__item details > summary {
  position: relative;
  display: block;
  padding: 20px 34px 20px 0;
  cursor: pointer;
  list-style: none;
}

.page-news .news-feed__item details > summary::-webkit-details-marker {
  display: none;
}

.page-news .news-feed__item details > summary::after {
  content: "+";
  position: absolute;
  top: 18px;
  right: 0;
  font-family: var(--by-font-mono);
  font-size: 19px;
  line-height: 1;
  color: var(--by-ice);
}

.page-news .news-feed__item details[open] > summary::after {
  content: "−";
  color: var(--by-cyan);
}

.page-news .news-feed__tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.page-news .news-feed__time {
  color: var(--by-muted);
  font-size: 12px;
}

.page-news .news-feed__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.44;
  color: var(--by-text);
}

.page-news .news-feed__sum {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--by-muted);
}

.page-news .news-feed__more {
  padding: 0 0 22px;
}

.page-news .news-feed__more p {
  margin: 0;
  padding-left: 14px;
  border-left: 1px solid var(--by-line);
  font-size: 14px;
  line-height: 1.76;
  color: var(--by-text);
}

.page-news .news-feed__thumb {
  margin: 0 0 14px;
  border: 1px solid var(--by-line);
}

.page-news .news-feed__thumb img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-news .news-feed__item--lead .news-feed__title {
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 800;
}

@media (min-width: 900px) {
  .page-news .news-feed {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(32px, 4vw, 60px);
  }
  .page-news .news-feed__item--lead {
    grid-column: 1 / -1;
  }
  .page-news .news-feed__item--lead details > summary {
    display: grid;
    grid-template-columns: minmax(0, 240px) minmax(0, 1fr);
    gap: 28px;
    align-items: center;
    padding: 28px 40px 28px 0;
  }
  .page-news .news-feed__item--lead .news-feed__thumb {
    margin: 0;
  }
  .page-news .news-feed__item--lead details > summary::after {
    top: 30px;
  }
}

/* ---------- 赛季深读 ---------- */
.page-news .season {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  padding: 26px 0;
  border-top: 1px solid var(--by-line);
}

.page-news .season--now {
  border-top: 3px solid var(--by-hot);
}

.page-news .season__index {
  margin: 0 0 6px;
  color: var(--by-ice);
  font-size: 12px;
}

.page-news .season__name {
  margin: 0 0 12px;
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--by-text);
}

.page-news .season__facts {
  margin: 0;
  display: grid;
  gap: 16px;
}

.page-news .season__facts div {
  padding-left: 14px;
  border-left: 3px solid var(--by-line);
}

.page-news .season__facts dt {
  margin: 0 0 6px;
  color: var(--by-muted);
  font-size: 12px;
}

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

@media (min-width: 780px) {
  .page-news .season {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
    padding: 34px 0;
  }
  .page-news .season__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
}

/* ---------- 版本演进表 ---------- */
.page-news .ver-wrap {
  overflow-x: auto;
  border: 3px solid var(--by-line);
  background: var(--by-surface);
}

.page-news .ver-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-news .ver-table caption {
  padding: 14px 16px;
  text-align: left;
  color: var(--by-muted);
  font-size: 12px;
  border-bottom: 1px solid var(--by-line);
}

.page-news .ver-table th {
  padding: 12px 16px;
  text-align: left;
  font-family: var(--by-font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--by-ice);
  border-bottom: 3px solid var(--by-line);
  white-space: nowrap;
}

.page-news .ver-table td {
  padding: 16px;
  vertical-align: top;
  line-height: 1.66;
  color: var(--by-text);
  border-bottom: 1px solid var(--by-line);
}

.page-news .ver-table tbody tr {
  transition: background-color 0.24s var(--by-ease);
}

.page-news .ver-table tbody tr:hover,
.page-news .ver-table tbody tr:focus-within {
  background-color: rgba(0, 240, 224, 0.07);
}

.page-news .ver-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-news .ver-table .ver {
  font-family: var(--by-font-mono);
  font-size: 15px;
  color: var(--by-cyan);
  white-space: nowrap;
}

.page-news .ver-table .stage {
  color: var(--by-muted);
  white-space: nowrap;
}

/* ---------- 下一步 ---------- */
.page-news .next-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-news .next-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 22px 22px;
  border: 3px solid var(--by-line);
  background: var(--by-surface);
  color: inherit;
  text-decoration: none;
  transition: border-color 0.28s var(--by-ease), transform 0.28s var(--by-ease);
}

.page-news .next-card:hover,
.page-news .next-card:focus-visible {
  border-color: var(--by-cyan);
  transform: translateY(-4px);
}

.page-news .next-card__no {
  font-size: 26px;
  color: var(--by-ice);
}

.page-news .next-card--hot .next-card__no {
  color: var(--by-hot);
}

.page-news .next-card--cyan .next-card__no {
  color: var(--by-cyan);
}

.page-news .next-card__title {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--by-text);
}

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

.page-news .next-card__go {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--by-line);
  color: var(--by-cyan);
  font-size: 12px;
}

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