.page-news {
  background: var(--ink);
  color: var(--text);
  padding-bottom: clamp(32px, 6vw, 80px);
}

.page-news .crumbs {
  margin-top: clamp(14px, 3vw, 26px);
}

/* ---------- 首屏 ---------- */

.page-news .news-masthead {
  padding: clamp(24px, 5vw, 52px) 0 clamp(28px, 5vw, 56px);
  border-bottom: 2px solid var(--line);
}

.page-news .news-kicker {
  margin: 0 0 14px;
  color: var(--field);
}

.page-news .news-title {
  margin: 0;
  font-family: var(--sans);
  font-size: clamp(32px, 7.2vw, 68px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--text);
  max-width: 16em;
}

.page-news .news-lede {
  margin: clamp(18px, 3vw, 28px) 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.85;
  color: var(--muted);
}

.page-news .news-lede a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  transition: color 180ms var(--ease);
}

.page-news .news-lede a:hover,
.page-news .news-lede a:focus-visible {
  color: var(--field);
}

.page-news .news-stats {
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  background: var(--line);
  border: 2px solid var(--line);
}

.page-news .news-stats li {
  background: var(--panel);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-news .news-stats__num {
  font-size: clamp(24px, 3.6vw, 36px);
  font-weight: 600;
  line-height: 1;
  color: var(--field);
}

.page-news .news-stats__cap {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

/* ---------- 置顶专题 ---------- */

.page-news .news-feature {
  background: var(--panel);
  border-top: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
  padding: clamp(28px, 5vw, 60px) 0;
}

.page-news .feature-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 44px);
  align-items: center;
}

.page-news .feature-copy h2 {
  margin: 14px 0 0;
  font-family: var(--sans);
  font-size: clamp(24px, 4.4vw, 42px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.page-news .feature-copy p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
  max-width: 56ch;
}

.page-news .feature-copy .btn {
  margin-top: 22px;
}

.page-news .feature-media {
  margin: 0;
  border: 2px solid var(--line);
  background: var(--panel-2);
  box-shadow: var(--hard-shadow);
}

/* ---------- 三栏正文 ---------- */

.page-news .news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 48px);
  padding: clamp(32px, 6vw, 68px) 0 0;
}

.page-news .news-index__title {
  margin: 0 0 12px;
  color: var(--field);
}

.page-news .news-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  max-width: 100%;
}

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

.page-news .news-index__list a {
  display: inline-block;
  white-space: nowrap;
  padding: 7px 12px;
  border: 1px solid var(--line);
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.08em;
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-news .news-index__list a:hover,
.page-news .news-index__list a:focus-visible {
  border-color: var(--field);
  color: var(--text);
  background: var(--panel-2);
}

.page-news .news-feed {
  display: flex;
  flex-direction: column;
  gap: clamp(32px, 5vw, 56px);
  min-width: 0;
}

.page-news .feed-group {
  min-width: 0;
}

.page-news .feed-group__title {
  margin: 0 0 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--line);
  font-size: clamp(18px, 2.4vw, 24px);
  font-weight: 800;
  letter-spacing: -0.005em;
  color: var(--text);
}

.page-news .post {
  padding: clamp(18px, 3vw, 26px) 0;
  min-width: 0;
}

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

.page-news .feed-group__title + .post {
  padding-top: 0;
}

.page-news .post-media {
  margin: 0 0 16px;
  border: 2px solid var(--line);
  background: var(--panel-2);
}

.page-news .post-meta {
  margin: 0 0 10px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .tag {
  display: inline-block;
  padding: 3px 8px;
  border: 1px solid var(--line);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--field);
}

.page-news .post-time {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-news .post-title {
  margin: 0;
  font-size: clamp(18px, 2.4vw, 23px);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -0.005em;
  color: var(--text);
}

.page-news .post-text {
  margin: 10px 0 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .post-foot {
  margin: 12px 0 0;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

/* ---------- 右栏 ---------- */

.page-news .news-rail {
  display: flex;
  flex-direction: column;
  gap: clamp(28px, 4vw, 42px);
  min-width: 0;
}

.page-news .rail-block {
  border-top: 2px solid var(--line);
  padding-top: 16px;
}

.page-news .rail-block__title {
  margin: 0 0 14px;
  color: var(--field);
}

.page-news .rail-media {
  margin: 0 0 16px;
  border: 2px solid var(--line);
  background: var(--panel-2);
}

.page-news .rail-release,
.page-news .rail-picks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.page-news .rail-release a,
.page-news .rail-picks a {
  display: block;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
  text-decoration: none;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-news .rail-release li:last-child a,
.page-news .rail-picks li:last-child a {
  border-bottom: 0;
}

.page-news .rail-release a:hover,
.page-news .rail-release a:focus-visible,
.page-news .rail-picks a:hover,
.page-news .rail-picks a:focus-visible {
  color: var(--field);
  border-color: var(--field);
}

.page-news .rail-release a .mono {
  margin-right: 8px;
  font-size: 12px;
  color: var(--blue);
}

/* ---------- 数据解读说明 ---------- */

.page-news .news-explain {
  margin-top: clamp(36px, 6vw, 76px);
  padding: clamp(36px, 6vw, 80px) 0;
  background: var(--panel-2);
  border-top: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
}

.page-news .explain-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 48px);
}

.page-news .explain-head h2 {
  margin: 12px 0 0;
  font-size: clamp(24px, 3.6vw, 38px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.page-news .explain-body p {
  margin: 0 0 16px;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .explain-body p:last-child {
  margin-bottom: 0;
}

.page-news .explain-body a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-news .explain-body a:hover,
.page-news .explain-body a:focus-visible {
  color: var(--field);
}

.page-news .explain-steps {
  list-style: none;
  counter-reset: news-step;
  margin: 0 0 18px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-news .explain-steps li {
  counter-increment: news-step;
  position: relative;
  padding-left: 46px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-news .explain-steps li::before {
  content: counter(news-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--mono);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--field);
}

/* ---------- 版本更新记录 ---------- */

.page-news .news-releases {
  padding: clamp(36px, 6vw, 80px) 0 0;
}

.page-news .releases-lede {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .release-list {
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.page-news .release-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: clamp(18px, 3vw, 26px) 0;
  border-top: 2px solid var(--line);
}

.page-news .release-ver {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--amber);
}

.page-news .release-when {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-news .release-title {
  margin: 4px 0 0;
  font-size: clamp(17px, 2.2vw, 21px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--text);
}

.page-news .release-body {
  margin: 8px 0 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 回访 ---------- */

.page-news .news-return {
  margin-top: clamp(36px, 6vw, 76px);
  padding: clamp(36px, 6vw, 80px) 0;
  background: var(--panel);
  border-top: 2px solid var(--line);
}

.page-news .return-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
}

.page-news .return-copy h2 {
  margin: 12px 0 0;
  font-size: clamp(24px, 3.6vw, 40px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.01em;
}

.page-news .return-copy p {
  margin: 14px 0 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .return-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: var(--line);
  border: 2px solid var(--line);
}

.page-news .return-list li {
  background: var(--panel-2);
  padding: 14px 16px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .return-list a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  transition: color 180ms var(--ease);
}

.page-news .return-list a:hover,
.page-news .return-list a:focus-visible {
  color: var(--field);
}

/* ---------- 图片 ---------- */

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

/* ---------- 平板 ---------- */

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

  .page-news .release-item {
    grid-template-columns: 140px minmax(0, 1fr);
    column-gap: 26px;
    row-gap: 8px;
  }

  .page-news .release-ver {
    grid-column: 1;
    grid-row: 1;
  }

  .page-news .release-when {
    grid-column: 1;
    grid-row: 2;
  }

  .page-news .release-title {
    grid-column: 2;
    grid-row: 1;
    margin: 0;
  }

  .page-news .release-body {
    grid-column: 2;
    grid-row: 2;
    margin: 0;
  }
}

/* ---------- 桌面 ---------- */

@media (min-width: 960px) {
  .page-news .feature-inner {
    grid-template-columns: 1.05fr 1fr;
  }

  .page-news .news-layout {
    grid-template-columns: 160px minmax(0, 1fr) 264px;
    column-gap: clamp(26px, 3vw, 52px);
    row-gap: 0;
  }

  .page-news .news-index {
    position: sticky;
    top: 92px;
    align-self: start;
  }

  .page-news .news-index__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .news-index__list a {
    display: block;
    padding: 9px 0 9px 12px;
    border: 0;
    border-left: 2px solid var(--line);
    background: transparent;
  }

  .page-news .news-index__list a:hover,
  .page-news .news-index__list a:focus-visible {
    border-left-color: var(--field);
    background: transparent;
    padding-left: 16px;
  }

  .page-news .explain-grid {
    grid-template-columns: 300px minmax(0, 1fr);
    column-gap: clamp(30px, 4vw, 60px);
  }

  .page-news .return-inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-news .news-layout {
    grid-template-columns: 180px minmax(0, 1fr) 292px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-index__list a,
  .page-news .rail-release a,
  .page-news .rail-picks a,
  .page-news .news-lede a,
  .page-news .return-list a {
    transition: none;
  }
}