.page-news {
  --news-rail: 252px;
  --news-hair: rgba(212, 175, 55, 0.2);
  --news-hair-soft: rgba(242, 228, 216, 0.1);
  background: var(--ink);
  color: var(--warm);
  padding-bottom: clamp(64px, 9vw, 128px);
  overflow-x: clip;
}

/* 面包屑 */
.page-news .news-crumb {
  padding-top: clamp(20px, 3vw, 34px);
}

.page-news .news-crumb .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cool);
}

.page-news .news-crumb .breadcrumb a {
  color: var(--cool);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .news-crumb .breadcrumb a:hover {
  color: var(--gold);
  border-bottom-color: var(--hair);
}

.page-news .news-crumb .breadcrumb__sep {
  color: rgba(138, 143, 152, 0.5);
}

.page-news .news-crumb .breadcrumb [aria-current="page"] {
  color: var(--warm-72);
}

/* 首屏 */
.page-news .news-hero {
  position: relative;
  padding: clamp(30px, 6vw, 68px) 0 clamp(26px, 4vw, 46px);
  overflow: hidden;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: -46%;
  right: -18%;
  width: min(620px, 78vw);
  height: min(620px, 78vw);
  background: radial-gradient(circle at 58% 42%, rgba(177, 18, 38, 0.36), transparent 68%);
  pointer-events: none;
  z-index: 0;
}

.page-news .news-hero .container {
  position: relative;
  z-index: 1;
}

.page-news .news-hero__title {
  margin: clamp(18px, 3vw, 30px) 0 0;
  max-width: 14em;
  font-size: clamp(36px, 8.6vw, 84px);
  line-height: 1.04;
  letter-spacing: -0.025em;
  font-weight: 900;
  color: var(--warm);
}

.page-news .news-hero__lead {
  margin: clamp(20px, 3vw, 30px) 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--warm-86);
}

/* 双栏骨架 */
.page-news .news-body {
  padding-top: clamp(20px, 4vw, 44px);
}

/* 左侧归档索引 */
.page-news .news-rail {
  margin-bottom: 34px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--news-hair-soft);
}

.page-news .news-rail .index-rail__title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-news .news-rail .index-rail__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-rail .index-rail__link {
  display: block;
  padding: 6px 0;
  font-size: 14px;
  color: var(--cool);
  text-decoration: none;
  border-left: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

@media (min-width: 940px) {
  .page-news .news-body {
    display: grid;
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    gap: clamp(36px, 5vw, 76px);
    align-items: start;
  }

  .page-news .news-rail {
    position: sticky;
    top: calc(var(--header-h) + 26px);
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: 0;
  }

  .page-news .news-rail .index-rail__list {
    display: block;
  }

  .page-news .news-rail .index-rail__link {
    padding: 9px 0 9px 14px;
    border-left: 1px solid var(--news-hair-soft);
  }

  .page-news .news-rail .index-rail__link:hover,
  .page-news .news-rail .index-rail__link.is-active {
    padding-left: 20px;
    color: var(--gold);
    border-left-color: var(--gold);
  }
}

/* 区块骨架 */
.page-news .news-block {
  padding: clamp(34px, 5vw, 58px) 0;
  border-top: 1px solid var(--news-hair-soft);
}

.page-news .news-stream > .news-block:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-news .news-block__title {
  margin: 18px 0 0;
  max-width: 22em;
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.24;
  letter-spacing: -0.015em;
  font-weight: 800;
  color: var(--warm);
}

.page-news .news-block__text {
  margin: 18px 0 0;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--warm-72);
}

.page-news .news-block__foot {
  margin: 26px 0 0;
  max-width: 64ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--warm-72);
}

.page-news .news-block__foot a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid var(--hair);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .news-block__foot a:hover {
  color: var(--gold-light);
  border-bottom-color: var(--gold-light);
}

/* 统计格 */
.page-news .news-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 28px 0 0;
  padding: 1px;
  list-style: none;
  background: var(--news-hair-soft);
}

.page-news .news-stat {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px;
  background: var(--ink);
}

.page-news .news-stat .stat-num {
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--cyan-lift);
}

.page-news .news-stat__label {
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--cool);
}

@media (min-width: 760px) {
  .page-news .news-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* 标签 */
.page-news .news-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.page-news .chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 13px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.4;
  letter-spacing: 0.14em;
  color: var(--gold);
  background: rgba(212, 175, 55, 0.05);
  border: 1px solid var(--hair);
  border-radius: 999px;
}

.page-news .chip--cyan {
  color: var(--cyan-lift);
  background: rgba(31, 122, 140, 0.1);
  border-color: rgba(31, 122, 140, 0.5);
}

/* 通栏图 */
.page-news .news-banner {
  margin: clamp(28px, 4vw, 48px) 0 0;
}

.page-news .news-banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid var(--news-hair);
}

.page-news .news-banner figcaption,
.page-news .news-side-figure figcaption,
.page-news .news-mid-figure figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--cool);
}

/* 版本条目流 */
.page-news .log-list {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-news .log-item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  padding: 24px 0;
  border-top: 1px solid var(--news-hair-soft);
}

.page-news .log-item:last-child {
  border-bottom: 1px solid var(--news-hair-soft);
}

.page-news .log-item::after {
  content: "";
  position: absolute;
  top: 34px;
  right: 0;
  width: 56px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-light));
  opacity: 0;
  transform: translateX(14px) skewX(-24deg);
  transition: opacity 0.24s var(--ease), transform 0.24s var(--ease);
  pointer-events: none;
}

.page-news .log-item:hover::after {
  opacity: 1;
  transform: translateX(0) skewX(-24deg);
}

.page-news .log-item__num {
  font-size: 15px;
  letter-spacing: 0.02em;
  line-height: 1.5;
  color: var(--cyan-lift);
  font-variant-numeric: tabular-nums;
}

.page-news .log-item__body {
  min-width: 0;
}

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

.page-news .log-item__stage {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cool);
}

.page-news .log-item__title {
  margin: 0;
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.5;
  font-weight: 700;
  color: var(--warm);
}

.page-news .log-item__text {
  margin: 10px 0 0;
  max-width: 64ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--warm-72);
}

@media (min-width: 760px) {
  .page-news .log-item {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 30px;
    padding: 30px 0;
  }

  .page-news .log-item__num {
    padding-top: 3px;
  }
}

/* 侧边插图 */
.page-news .news-side-figure,
.page-news .news-mid-figure {
  margin: 34px 0 0;
}

.page-news .news-side-figure img,
.page-news .news-mid-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--news-hair);
}

@media (min-width: 1100px) {
  .page-news .news-side-figure {
    margin-left: auto;
    width: min(560px, 100%);
  }
}

/* 改版记 */
.page-news .revamp-list {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .revamp-item {
  padding: 26px 0 26px 24px;
  border-top: 1px solid var(--news-hair-soft);
  border-left: 2px solid transparent;
  transition: border-left-color 0.24s var(--ease), background 0.24s var(--ease);
}

.page-news .revamp-item:first-child {
  border-top: 0;
}

.page-news .revamp-item:hover {
  border-left-color: var(--red);
  background: linear-gradient(90deg, rgba(177, 18, 38, 0.1), transparent 64%);
}

.page-news .revamp-item__no {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-news .revamp-item__title {
  margin: 0;
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.5;
  font-weight: 700;
  color: var(--warm);
}

.page-news .revamp-item__text {
  margin: 10px 0 0;
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--warm-72);
}

@media (min-width: 900px) {
  .page-news .revamp-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: stretch;
  }

  .page-news .revamp-item {
    padding: 10px 24px 12px 24px;
    border-top: 0;
    border-left: 1px solid var(--news-hair-soft);
  }

  .page-news .revamp-item:first-child {
    padding-left: 0;
    border-left: 0;
  }
}

/* 移动端观察 */
.page-news .news-block--watch {
  position: relative;
  overflow: hidden;
}

.page-news .news-block__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.14;
  pointer-events: none;
}

.page-news .news-block--watch > *:not(.news-block__bg) {
  position: relative;
  z-index: 1;
}

.page-news .observe-list {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-news .observe-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 22px 0;
  border-top: 1px solid var(--news-hair-soft);
}

.page-news .observe-item__key {
  font-size: clamp(20px, 3vw, 26px);
  line-height: 1.25;
  letter-spacing: 0.01em;
  color: var(--gold-light);
  font-variant-numeric: tabular-nums;
}

.page-news .observe-item__text {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--warm-72);
}

@media (min-width: 760px) {
  .page-news .observe-item {
    grid-template-columns: 170px minmax(0, 1fr);
    gap: 32px;
    align-items: baseline;
    padding: 24px 0;
  }
}

/* 回看方式 */
.page-news .revisit-list {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .revisit-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 24px 0;
  border-top: 1px solid var(--news-hair-soft);
}

.page-news .revisit-item:last-child {
  border-bottom: 1px solid var(--news-hair-soft);
}

.page-news .revisit-item__no {
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--cyan-lift);
}

.page-news .revisit-item__title {
  margin: 0;
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.5;
  font-weight: 700;
  color: var(--warm);
}

.page-news .revisit-item__text {
  margin: 9px 0 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--warm-72);
}

@media (min-width: 760px) {
  .page-news .revisit-item {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 30px;
    padding: 30px 0;
  }

  .page-news .revisit-item__no {
    padding-top: 4px;
  }
}

/* 动效降级 */
@media (prefers-reduced-motion: reduce) {
  .page-news .log-item::after,
  .page-news .revamp-item {
    transition: none;
  }
}