.page-news {
  --news-gap: clamp(48px, 9vw, 96px);
  display: block;
  padding-bottom: clamp(40px, 8vw, 88px);
  color: var(--white);
}

.page-news .shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page-news .breadcrumbs {
  padding-block: 18px 4px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-news .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}

.page-news .breadcrumbs a:hover {
  color: var(--green);
  border-bottom-color: var(--green);
}

.page-news .breadcrumbs span[aria-hidden] {
  margin-inline: 8px;
  color: var(--line);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(28px, 6vw, 72px) clamp(32px, 6vw, 64px);
  border-bottom: 1px solid var(--line);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  right: -15%;
  top: 12%;
  width: 70%;
  height: clamp(90px, 16vw, 180px);
  background: linear-gradient(90deg, transparent, rgba(201, 255, 61, .10) 55%, rgba(47, 216, 255, .08));
  transform: skewY(-7deg);
  pointer-events: none;
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 5vw, 48px);
}

.page-news .news-hero__main {
  min-width: 0;
}

.page-news .eyebrow {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--green);
}

.page-news .news-hero__title {
  margin: 0 0 clamp(18px, 3vw, 28px);
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(38px, 10vw, 84px);
  line-height: .96;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-news .news-hero__lede {
  max-width: 62ch;
  margin: 0 0 clamp(22px, 4vw, 32px);
  font-size: clamp(16px, 2.2vw, 18px);
  line-height: 1.75;
  color: var(--muted);
}

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

.page-news .news-hero__side {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .news-hero__stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
  background: var(--panel);
}

.page-news .news-hero__stat--key {
  background: var(--raised);
  box-shadow: inset 3px 0 0 var(--orange);
}

.page-news .news-hero__stat-num {
  font-family: var(--display);
  font-size: clamp(24px, 5vw, 32px);
  line-height: 1;
  color: var(--white);
}

.page-news .news-hero__stat--key .news-hero__stat-num {
  color: var(--orange);
}

.page-news .news-hero__stat-label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 分类导航条 ---------- */
.page-news .news-tabs {
  display: flex;
  gap: 8px;
  margin-top: clamp(20px, 4vw, 32px);
  padding-bottom: 14px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-bottom: 1px solid var(--line);
  scrollbar-width: none;
}

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

.page-news .news-tabs__item {
  flex: 0 0 auto;
  padding: 9px 16px;
  border: 1px solid var(--line);
  background: var(--panel);
  font-size: 14px;
  letter-spacing: .02em;
  color: var(--muted);
  text-decoration: none;
  transition: color .2s ease, border-color .2s ease, background-color .2s ease;
}

.page-news .news-tabs__item:hover {
  color: var(--white);
  border-color: var(--green);
}

.page-news .news-tabs__item.is-current {
  background: var(--green);
  border-color: var(--green);
  color: var(--ink);
  font-weight: 600;
}

/* ---------- 章节 ---------- */
.page-news .news-section {
  padding-top: var(--news-gap);
}

.page-news .news-section--last {
  padding-bottom: clamp(20px, 4vw, 40px);
}

.page-news .news-section__head {
  max-width: 68ch;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-news .news-section__head--tight {
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-news .news-section__title {
  margin: 0 0 12px;
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(24px, 5vw, 34px);
  line-height: 1.15;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-news .news-section__title::before {
  content: "";
  display: block;
  width: 40px;
  height: 3px;
  margin-bottom: 14px;
  background: var(--green);
}

.page-news .news-section__intro {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.page-news .prose {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}

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

/* ---------- 图 ---------- */
.page-news .figure {
  margin: 0;
}

.page-news .news-banner {
  margin-bottom: clamp(28px, 5vw, 44px);
}

.page-news .figure__media {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 20% 0%, rgba(47, 216, 255, .14), transparent 60%),
    linear-gradient(160deg, var(--raised), var(--panel));
}

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

.page-news .figure--wide .figure__media img {
  aspect-ratio: 16 / 9;
}

.page-news .figure--tall .figure__media img {
  aspect-ratio: 3 / 4;
}

.page-news .figure__caption {
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 条目列表 ---------- */
.page-news .news-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-item {
  display: grid;
  grid-template-columns: 1fr;
  align-items: stretch;
  border: 1px solid var(--line);
  background: var(--panel);
  transition: border-color .22s ease, transform .22s ease, background-color .22s ease;
}

.page-news .news-item:hover {
  border-color: var(--green);
  transform: translateY(-2px);
  background: var(--raised);
}

.page-news .news-item__tag {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 12px;
  background: var(--green);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  white-space: nowrap;
}

.page-news .news-item__tag--board {
  background: var(--blue);
}

.page-news .news-item__tag--version {
  background: var(--orange);
}

.page-news .news-item__tag--topic {
  background: var(--white);
}

.page-news .news-item__body {
  min-width: 0;
  padding: 16px clamp(14px, 3vw, 22px) 18px;
}

.page-news .news-item__meta {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-news .news-item__title {
  margin: 0 0 8px;
  font-size: clamp(17px, 2.6vw, 20px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--white);
}

.page-news .news-item__title a {
  color: inherit;
  text-decoration: none;
}

.page-news .news-item__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 位次变化带 ---------- */
.page-news .shift-band {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--panel), var(--ink));
  padding: clamp(18px, 3vw, 26px) clamp(14px, 3vw, 26px);
}

.page-news .shift-band__scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 6px;
}

.page-news .shift-band__track {
  position: relative;
  min-width: 640px;
  height: 108px;
}

.page-news .shift-band__axis {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 30px;
  height: 1px;
  background: linear-gradient(90deg, var(--line), var(--blue) 45%, var(--orange));
  opacity: .85;
}

.page-news .shift-band__mark {
  position: absolute;
  bottom: 30px;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transition: transform .2s ease;
}

.page-news .shift-band__mark::after {
  content: "";
  position: absolute;
  bottom: -7px;
  left: 50%;
  width: 9px;
  height: 9px;
  transform: translateX(-50%) rotate(45deg);
  border: 1px solid var(--line);
  background: var(--ink);
}

.page-news .shift-band__mark:hover {
  transform: translateX(-50%) translateY(-3px);
}

.page-news .shift-band__mark:hover::after {
  border-color: var(--green);
  background: var(--green);
}

.page-news .shift-band__mark:nth-child(2) { left: 8%; }
.page-news .shift-band__mark:nth-child(3) { left: 29%; }
.page-news .shift-band__mark:nth-child(4) { left: 50%; }
.page-news .shift-band__mark:nth-child(5) { left: 71%; }
.page-news .shift-band__mark:nth-child(6) { left: 92%; }

.page-news .shift-band__rank {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-news .shift-band__delta {
  padding: 4px 9px;
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
}

.page-news .shift-band__mark--up .shift-band__delta {
  color: var(--orange);
  border-color: rgba(255, 122, 47, .5);
}

.page-news .shift-band__mark--down .shift-band__delta {
  color: var(--red);
  border-color: rgba(255, 77, 109, .5);
}

.page-news .shift-band__notes {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-news .shift-band__notes li {
  display: grid;
  grid-template-columns: 12px 1fr;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .shift-band__dot {
  width: 8px;
  height: 8px;
  margin-top: 8px;
  background: var(--orange);
  transform: skewY(-12deg);
}

.page-news .shift-band__dot--down {
  background: var(--red);
}

/* ---------- 榜单 ---------- */
.page-news .board {
  display: grid;
  gap: clamp(20px, 4vw, 32px);
}

.page-news .board__table {
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-news .board__read {
  max-width: 68ch;
}

.page-news .board__read .btn {
  margin-top: 6px;
}

/* ---------- 版本更新 ---------- */
.page-news .version-grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

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

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

.page-news .version-row {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  transition: background-color .2s ease;
}

.page-news .version-row:hover {
  background: rgba(201, 255, 61, .04);
}

.page-news .version-row__no {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 3px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--blue);
}

.page-news .version-row__title {
  margin: 0 0 6px;
  font-size: clamp(16px, 2.4vw, 19px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--white);
}

.page-news .version-row__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .version-side {
  min-width: 0;
}

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

.page-news .version-side__link {
  display: inline-block;
  margin-top: 12px;
  font-size: 14px;
  color: var(--green);
}

/* ---------- 专题 ---------- */
.page-news .topics-cover {
  margin-bottom: clamp(24px, 4vw, 36px);
}

.page-news .topic-stack {
  display: grid;
  gap: 0;
  margin-bottom: clamp(28px, 5vw, 44px);
}

.page-news .topic-card {
  position: relative;
  display: block;
  padding: clamp(18px, 3vw, 26px) clamp(16px, 3vw, 28px);
  border: 1px solid var(--line);
  background: var(--panel);
  text-decoration: none;
  color: inherit;
  transition: border-color .22s ease, transform .22s ease, background-color .22s ease;
}

.page-news .topic-card + .topic-card {
  margin-top: -1px;
}

.page-news .topic-card:hover {
  border-color: var(--green);
  background: var(--raised);
  transform: translateX(6px);
  z-index: 2;
}

.page-news .topic-card__no {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--blue);
}

.page-news .topic-card__title {
  margin: 0 0 8px;
  font-size: clamp(18px, 3vw, 22px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--white);
}

.page-news .topic-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 收束面板 ---------- */
.page-news .news-closing {
  display: grid;
  gap: 20px;
  padding: clamp(20px, 4vw, 34px);
}

.page-news .news-closing__title {
  margin: 0 0 10px;
  font-size: clamp(19px, 3vw, 24px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--white);
}

.page-news .news-closing__text {
  max-width: 62ch;
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .news-hero__side {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-item {
    grid-template-columns: 88px minmax(0, 1fr);
  }

  .page-news .news-item__tag {
    writing-mode: vertical-rl;
    text-orientation: upright;
    letter-spacing: .28em;
    padding: 16px 8px;
  }

  .page-news .version-row {
    grid-template-columns: 96px 1fr;
    gap: 22px;
  }

  .page-news .news-closing {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
    gap: clamp(32px, 5vw, 64px);
  }

  .page-news .news-hero__side {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .board {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-news .board__read {
    grid-column: 2 / 3;
  }

  .page-news .board__figure {
    grid-row: 1 / 3;
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-news .version-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    gap: clamp(32px, 5vw, 56px);
  }

  .page-news .topic-stack {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .page-news .topic-card + .topic-card {
    margin-top: 0;
  }

  .page-news .topic-card:nth-child(2) {
    transform: translateY(14px);
  }

  .page-news .topic-card:nth-child(3) {
    transform: translateY(28px);
  }

  .page-news .topic-card:hover {
    transform: translateY(-4px);
    z-index: 3;
  }

  .page-news .topic-card:nth-child(2):hover {
    transform: translateY(10px);
  }

  .page-news .topic-card:nth-child(3):hover {
    transform: translateY(24px);
  }
}

@media (min-width: 1200px) {
  .page-news .news-hero__side {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-list {
    gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .topic-card,
  .page-news .news-tabs__item,
  .page-news .version-row,
  .page-news .shift-band__mark {
    transition: none;
  }

  .page-news .news-item:hover,
  .page-news .topic-card:hover,
  .page-news .topic-card:nth-child(2):hover,
  .page-news .topic-card:nth-child(3):hover,
  .page-news .shift-band__mark:hover {
    transform: none;
  }
}