.page-news {
  --news-pad-y: clamp(48px, 8vw, 104px);
  --news-gap: clamp(16px, 2vw, 28px);
  padding-bottom: clamp(56px, 8vw, 120px);
}

.page-news .news-crumb {
  padding-top: clamp(20px, 3vw, 36px);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding: clamp(28px, 5vw, 60px) 0 clamp(32px, 5vw, 64px);
  border-bottom: 1px solid var(--line);
}

.page-news .news-hero__title {
  margin: 14px 0 0;
  font-size: clamp(48px, 12vw, 136px);
  font-weight: 200;
  line-height: 0.92;
  letter-spacing: -0.03em;
  color: var(--paper);
}

.page-news .news-hero__lede {
  max-width: 52ch;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding-left: 20px;
  border-left: 2px solid var(--red);
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.85;
  color: var(--mute);
}

.page-news .news-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(28px, 4vw, 48px);
  border: 1px solid var(--line-soft);
  background: var(--line-soft);
}

.page-news .news-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: clamp(14px, 2vw, 22px);
  background: var(--ink);
}

.page-news .news-stat__num {
  font-size: clamp(24px, 3.2vw, 40px);
  font-weight: 300;
  line-height: 1;
}

.page-news .news-stat__label {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mute);
}

/* ---------- 标签带 ---------- */
.page-news .tag-rail {
  position: sticky;
  top: var(--header-h);
  z-index: 6;
  background: rgba(10, 18, 32, 0.9);
  border-bottom: 1px solid var(--line-soft);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.page-news .tag-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 14px clamp(20px, 4vw, 64px);
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.page-news .tag-rail__item {
  flex: 0 0 auto;
  display: inline-block;
  padding: 9px 18px;
  border: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mute);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .tag-rail__item:hover,
.page-news .tag-rail__item:focus-visible {
  color: var(--white);
  border-color: var(--cyan);
}

.page-news .tag-rail__item.is-active {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
}

/* ---------- 通用节头 ---------- */
.page-news .section-head {
  margin-bottom: clamp(24px, 3.5vw, 44px);
}

.page-news .section-title {
  margin: 10px 0 0;
  font-size: clamp(28px, 5vw, 56px);
  font-weight: 300;
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-news .section-lede {
  max-width: 56ch;
  margin: 14px 0 0;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--mute);
}

/* ---------- 头条拼贴 ---------- */
.page-news .news-top {
  padding: var(--news-pad-y) 0;
}

.page-news .news-top__grid {
  display: grid;
  gap: var(--news-gap);
  grid-template-columns: 1fr;
}

.page-news .news-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.page-news .news-lead {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0;
}

.page-news .news-lead__figure {
  margin: 0;
  overflow: hidden;
}

.page-news .news-lead__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.page-news .news-lead:hover .news-lead__figure img {
  transform: scale(1.035);
}

.page-news .news-lead__body {
  padding: clamp(20px, 2.6vw, 34px);
}

.page-news .news-lead__title {
  margin: 0;
  font-size: clamp(22px, 3vw, 36px);
  font-weight: 400;
  line-height: 1.25;
  color: var(--white);
}

.page-news .news-lead__text {
  margin: 14px 0 22px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mute);
}

.page-news .news-side {
  display: flex;
  flex-direction: column;
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--panel);
}

.page-news .news-side__title {
  margin: 0;
  font-size: clamp(18px, 1.9vw, 23px);
  font-weight: 500;
  line-height: 1.35;
  color: var(--white);
}

.page-news .news-side__text {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mute);
}

/* ---------- 条目长卷 ---------- */
.page-news .feed {
  padding: var(--news-pad-y) 0;
}

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

.page-news .feed-item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding: 26px 0 26px 18px;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .feed-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 30px;
  bottom: 30px;
  width: 2px;
  background: var(--red);
  transition: background-color 0.24s var(--ease);
}

.page-news .feed-item:hover::before {
  background: var(--cyan);
}

.page-news .feed-item__glyph {
  display: grid;
  place-items: center;
  width: 96px;
  height: 96px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 22px;
  color: var(--cyan);
  background-image:
    linear-gradient(135deg, rgba(59, 224, 196, 0.12), transparent 62%),
    repeating-linear-gradient(90deg, rgba(243, 233, 215, 0.07) 0 1px, transparent 1px 9px);
}

.page-news .feed-item__title {
  margin: 0;
  font-size: clamp(19px, 2.2vw, 27px);
  font-weight: 400;
  line-height: 1.32;
  color: var(--white);
}

.page-news .feed-item__text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mute);
}

.page-news .feed-item__aside {
  align-self: start;
}

.page-news .feed__more {
  margin: clamp(32px, 4vw, 52px) 0 0;
}

/* ---------- 专题连载 ---------- */
.page-news .series {
  padding: var(--news-pad-y) 0;
  background: var(--paper);
  color: var(--ink);
}

.page-news .series__grid {
  display: grid;
  gap: clamp(28px, 4vw, 64px);
  grid-template-columns: 1fr;
}

.page-news .series__title {
  color: var(--ink);
}

.page-news .series .eyebrow {
  color: var(--red);
}

.page-news .series__text {
  max-width: 52ch;
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.9;
  color: #3A4356;
}

.page-news .series__list {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(10, 18, 32, 0.16);
}

.page-news .series__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(10, 18, 32, 0.12);
}

.page-news .series__item-name {
  font-size: 17px;
  font-weight: 500;
  color: var(--ink);
}

.page-news .series__item-meta {
  color: rgba(10, 18, 32, 0.55);
}

.page-news .series__cta {
  margin-top: 30px;
  border-color: rgba(10, 18, 32, 0.4);
  color: var(--ink);
}

.page-news .series__cta:hover {
  border-color: var(--red);
  background: var(--red);
  color: var(--paper);
}

.page-news .series__figure {
  margin: 0;
}

.page-news .series__figure .media-frame {
  overflow: hidden;
}

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

.page-news .series__caption {
  display: block;
  margin-top: 12px;
  color: rgba(10, 18, 32, 0.5);
}

/* ---------- 数据观察 ---------- */
.page-news .data-watch {
  padding: var(--news-pad-y) 0;
}

.page-news .data-watch__grid {
  display: grid;
  gap: clamp(24px, 3.4vw, 48px);
  grid-template-columns: 1fr;
}

.page-news .data-watch__figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-soft);
}

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

.page-news .data-watch__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--mute);
}

.page-news .data-watch__metrics {
  display: grid;
  gap: 1px;
  margin: 24px 0 0;
  border: 1px solid var(--line-soft);
  background: var(--line-soft);
}

.page-news .data-watch__metric {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 15px 18px;
  background: var(--panel);
}

.page-news .data-watch__metric dt {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mute);
}

.page-news .data-watch__metric dd {
  margin: 0;
  font-size: 15px;
  color: var(--white);
}

.page-news .data-watch__note {
  margin: 22px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mute);
}

.page-news .data-watch__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 224, 196, 0.4);
}

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

/* ---------- 更新日志 ---------- */
.page-news .changelog {
  padding: var(--news-pad-y) 0;
}

.page-news .changelog__figure {
  margin: 0 0 clamp(28px, 4vw, 48px);
  overflow: hidden;
  border: 1px solid var(--line-soft);
}

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

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

.page-news .changelog__row {
  position: relative;
  padding-left: 26px;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .changelog__row::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 26px;
  bottom: -8px;
  width: 1px;
  background: var(--line);
}

.page-news .changelog__row:last-child::before {
  bottom: 50%;
}

.page-news .changelog__row::after {
  content: "";
  position: absolute;
  left: 2px;
  top: 22px;
  width: 9px;
  height: 9px;
  background: var(--red);
}

.page-news .changelog__row:hover::after {
  background: var(--gold);
}

.page-news .changelog__item {
  padding: 6px 0;
}

.page-news .changelog__item .disclosure__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 14px;
  padding: 14px 0;
  cursor: pointer;
}

.page-news .changelog__item .disclosure__index {
  color: var(--gold);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.page-news .changelog__title {
  font-size: clamp(17px, 1.8vw, 21px);
  font-weight: 500;
  color: var(--white);
}

.page-news .changelog__item .disclosure__body {
  padding: 0 0 18px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mute);
}

.page-news .changelog__item .disclosure__body p {
  margin: 0;
}

/* ---------- 投稿与纠错 ---------- */
.page-news .feedback {
  padding: 0 0 clamp(40px, 6vw, 80px);
}

.page-news .feedback__panel {
  padding: clamp(28px, 4vw, 56px);
  background: var(--red);
}

.page-news .feedback__eyebrow {
  color: rgba(243, 233, 215, 0.72);
}

.page-news .feedback__title {
  margin: 12px 0 0;
  font-size: clamp(24px, 3.6vw, 42px);
  font-weight: 300;
  line-height: 1.2;
  color: var(--paper);
}

.page-news .feedback__text {
  max-width: 68ch;
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(243, 233, 215, 0.82);
}

.page-news .feedback__meta {
  display: grid;
  gap: 16px;
  margin: 28px 0 30px;
  grid-template-columns: 1fr;
}

.page-news .feedback__meta-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-news .feedback__meta .index-label {
  color: rgba(243, 233, 215, 0.6);
}

.page-news .feedback__meta-value {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--paper);
  word-break: break-word;
}

.page-news .feedback .btn-solid {
  background: var(--paper);
  color: var(--red);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-news .data-watch__metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .data-watch__metric {
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 12px;
  }

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

@media (min-width: 900px) {
  .page-news .news-top__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    grid-template-rows: auto auto;
    align-items: stretch;
  }

  .page-news .news-lead {
    grid-column: 1 / 9;
    grid-row: 1 / 3;
  }

  .page-news .news-side:nth-child(2) {
    grid-column: 9 / 13;
    grid-row: 1;
  }

  .page-news .news-side:nth-child(3) {
    grid-column: 9 / 13;
    grid-row: 2;
  }

  .page-news .feed-item--graphic {
    grid-template-columns: 96px minmax(0, 1fr) 140px;
    align-items: start;
    gap: 32px;
  }

  .page-news .feed-item--text {
    grid-template-columns: minmax(0, 1fr) 140px;
    align-items: start;
    gap: 32px;
    padding-left: 18px;
  }

  .page-news .feed-item__aside {
    text-align: right;
  }

  .page-news .series__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-news .data-watch__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1200px) {
  .page-news .news-hero__lede {
    margin-left: 6%;
  }

  .page-news .news-hero__stats {
    max-width: 720px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-lead__figure img,
  .page-news .tag-rail__item,
  .page-news .feed-item::before {
    transition: none;
  }

  .page-news .news-lead:hover .news-lead__figure img {
    transform: none;
  }
}