.page-news {
  --news-rail-w: 206px;
  --news-hair: rgba(46, 74, 99, .52);
  --news-hair-soft: rgba(46, 74, 99, .3);
  --news-veil: rgba(46, 74, 99, .16);
  --news-gold-veil: rgba(242, 180, 65, .1);
}

.page-news .news-hero {
  padding: clamp(1.6rem, 4.5vw, 3.4rem) 0 clamp(1.8rem, 3.6vw, 2.8rem);
  border-bottom: 1px solid var(--news-hair);
}

.page-news .news-hero .breadcrumbs {
  margin-bottom: 1.4rem;
}

.page-news .news-hero h1 {
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.18;
  font-size: clamp(2rem, 5.6vw, 3.4rem);
  color: var(--warm-white);
  max-width: 20ch;
  margin: .5rem 0 1rem;
}

.page-news .news-hero .lede {
  max-width: 54ch;
  color: var(--text-soft);
  font-size: 1.02rem;
  line-height: 1.9;
}

.page-news .news-hero-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 2rem 0 0;
  background: var(--news-hair-soft);
  border: 1px solid var(--news-hair-soft);
}

.page-news .news-fact {
  background: var(--ink-deep);
  padding: .9rem 1rem;
}

.page-news .news-fact dt {
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--text-dim);
  margin-bottom: .35rem;
}

.page-news .news-fact dd {
  margin: 0;
  color: var(--gold);
  font-size: 1.05rem;
  letter-spacing: .02em;
}

@media (min-width: 720px) {
  .page-news .news-hero-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    max-width: 760px;
  }
}

.page-news .news-block {
  padding: clamp(2.4rem, 5vw, 4rem) 0;
  border-bottom: 1px solid var(--news-hair-soft);
}

.page-news .news-block:last-of-type {
  border-bottom: 0;
}

.page-news .news-block .section-head {
  max-width: 62ch;
  margin-bottom: clamp(1.6rem, 3.4vw, 2.6rem);
}

.page-news .news-block .section-head h2 {
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.24;
  font-size: clamp(1.5rem, 3.6vw, 2.1rem);
  color: var(--warm-white);
  margin: .45rem 0 .8rem;
}

.page-news .news-block-lede {
  color: var(--text-soft);
  font-size: 1rem;
  line-height: 1.85;
  margin: 0;
}

/* ---------- 分类标签轨 + 长列表 ---------- */

.page-news .news-desk {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.6rem;
}

.page-news .news-rail-caption {
  margin: 0 0 .7rem;
}

.page-news .news-rail-track {
  display: flex;
  gap: .4rem;
  overflow-x: auto;
  padding-bottom: .7rem;
  scrollbar-width: thin;
}

.page-news .news-tab {
  appearance: none;
  -webkit-appearance: none;
  flex: 0 0 auto;
  background: rgba(18, 35, 61, .78);
  border: 0;
  border-bottom: 2px solid transparent;
  color: var(--text-dim);
  font-family: var(--font-head);
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: .01em;
  padding: .52rem .95rem;
  cursor: pointer;
  white-space: nowrap;
  transition: color .2s var(--ease-out), border-color .2s var(--ease-out), background-color .2s var(--ease-out);
}

.page-news .news-tab:hover {
  color: var(--warm-white);
  background: rgba(46, 74, 99, .5);
}

.page-news .news-tab:focus-visible {
  outline: 2px solid var(--gold-high);
  outline-offset: 2px;
}

.page-news .news-tab[aria-selected="true"] {
  color: var(--gold-high);
  border-bottom-color: var(--gold);
  background: var(--news-gold-veil);
}

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

.page-news .news-entry {
  border-bottom: 1px solid var(--news-hair);
}

.page-news .news-entry:first-child {
  border-top: 1px solid var(--news-hair);
}

.page-news .news-entry-head {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: .45rem 1rem;
  align-items: baseline;
  padding: 1.15rem .2rem 1.15rem .1rem;
  cursor: pointer;
  list-style: none;
  transition: color .22s var(--ease-out), padding-left .22s var(--ease-out);
}

.page-news .news-entry-head::-webkit-details-marker {
  display: none;
}

.page-news .news-entry-head::before {
  content: "";
  position: absolute;
  inset: 0 -.9rem;
  background: var(--news-veil);
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s var(--ease-out);
}

.page-news .news-entry-head:hover::before {
  opacity: 1;
}

.page-news .news-entry-head:hover {
  padding-left: .7rem;
}

.page-news .news-entry-head:focus-visible {
  outline: 2px solid var(--gold-high);
  outline-offset: 2px;
}

.page-news .news-entry-tags {
  display: flex;
  align-items: center;
  gap: .55rem;
  flex-wrap: wrap;
}

.page-news .news-entry-ver {
  color: var(--gold);
  font-size: .78rem;
  letter-spacing: .04em;
}

.page-news .news-entry-when {
  text-align: right;
  white-space: nowrap;
}

.page-news .news-entry-title {
  grid-column: 1 / -1;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.06rem;
  line-height: 1.55;
  letter-spacing: -.01em;
  color: var(--warm-white);
  position: relative;
}

.page-news details[open] > .news-entry-head .news-entry-title {
  color: var(--gold-high);
}

.page-news .news-entry-title::after {
  content: "+";
  position: absolute;
  right: 0;
  bottom: 0;
  font-family: var(--font-mono);
  font-size: .95rem;
  color: var(--rail-line);
}

.page-news details[open] > .news-entry-head .news-entry-title::after {
  content: "–";
  color: var(--gold);
}

.page-news .news-entry-body {
  padding: .2rem .2rem 1.5rem .1rem;
  max-width: 66ch;
}

.page-news .news-entry-body p {
  color: var(--text-soft);
  font-size: .97rem;
  line-height: 1.9;
  margin: 0 0 .8rem;
}

.page-news .news-entry-key {
  color: var(--text-dim);
  font-size: .87rem;
  line-height: 1.8;
  border-left: 2px solid var(--gold);
  padding-left: .85rem;
  margin: 0;
}

@media (min-width: 900px) {
  .page-news .news-desk {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.4rem);
  }

  .page-news .news-rail {
    position: sticky;
    top: 5.5rem;
    align-self: start;
  }

  .page-news .news-rail-track {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
    gap: 0;
    border-left: 1px solid var(--news-hair);
  }

  .page-news .news-tab {
    border-bottom: 0;
    border-left: 2px solid transparent;
    background: none;
    text-align: left;
    padding: .6rem .3rem .6rem .95rem;
    margin-left: -1px;
  }

  .page-news .news-tab:hover {
    background: var(--news-veil);
  }

  .page-news .news-tab[aria-selected="true"] {
    border-left-color: var(--gold);
    background: none;
  }
}

/* ---------- 版本说明专区 ---------- */

.page-news .news-block--versions {
  background: linear-gradient(180deg, rgba(18, 35, 61, .55) 0%, rgba(10, 22, 38, 0) 78%);
}

.page-news .news-version-grid {
  align-items: start;
  gap: 2rem 1.6rem;
}

.page-news .news-version-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: ver;
}

.page-news .news-version-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1rem;
  padding: 1.15rem 0;
  border-top: 1px solid var(--news-hair);
}

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

.page-news .news-version-tag {
  color: var(--gold);
  font-size: .82rem;
  letter-spacing: .05em;
  padding-top: .22rem;
}

.page-news .news-version-item h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--warm-white);
  margin: 0 0 .4rem;
}

.page-news .news-version-item p {
  color: var(--text-dim);
  font-size: .92rem;
  line-height: 1.85;
  margin: 0;
}

.page-news .news-version-figure {
  margin: 0 0 1.1rem;
}

.page-news .news-version-note {
  color: var(--text-soft);
  font-size: .93rem;
  line-height: 1.85;
  margin: 0 0 1.1rem;
}

.page-news .news-version-grid .btn-row {
  flex-wrap: wrap;
  gap: .7rem;
}

/* ---------- 栏目运营笔记 ---------- */

.page-news .news-column-grid {
  align-items: start;
  gap: 2rem 1.6rem;
}

.page-news .news-column-prose p {
  color: var(--text-soft);
  font-size: .98rem;
  line-height: 1.92;
  margin: 0 0 1rem;
}

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

/* ---------- 主页体验观察 ---------- */

.page-news .news-review-grid {
  align-items: start;
  gap: 2rem 1.6rem;
}

.page-news .news-review-grid .prose p {
  color: var(--text-soft);
  font-size: .98rem;
  line-height: 1.92;
  margin: 0 0 1rem;
}

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

/* ---------- 专题系列 ---------- */

.page-news .news-series-figure {
  margin: 0 0 clamp(1.6rem, 3vw, 2.4rem);
}

.page-news .news-series-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--news-hair-soft);
  border: 1px solid var(--news-hair-soft);
}

.page-news .news-series-item {
  background: var(--ink-deep);
  padding: 1.4rem 1.3rem 1.6rem;
  transition: background-color .22s var(--ease-out);
}

.page-news .news-series-item:hover {
  background: var(--ink-panel);
}

.page-news .news-series-count {
  color: var(--gold);
  font-size: .76rem;
  letter-spacing: .1em;
  margin: 0 0 .7rem;
}

.page-news .news-series-item h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.08rem;
  letter-spacing: -.01em;
  color: var(--warm-white);
  margin: 0 0 .55rem;
}

.page-news .news-series-item p:last-child {
  color: var(--text-dim);
  font-size: .92rem;
  line-height: 1.85;
  margin: 0;
}

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

/* ---------- 订阅与回看 ---------- */

.page-news .news-closing-grid {
  align-items: start;
  gap: 2rem 1.6rem;
}

.page-news .news-closing-grid .prose p {
  color: var(--text-soft);
  font-size: .98rem;
  line-height: 1.92;
  margin: 0 0 1rem;
}

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

.page-news .news-closing-links {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--news-hair-soft);
  border: 1px solid var(--news-hair-soft);
}

.page-news .news-closing-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "idx label"
    "idx meta";
  gap: .15rem .9rem;
  align-items: center;
  background: var(--ink-deep);
  padding: 1.05rem 1.15rem;
  text-decoration: none;
  transition: background-color .22s var(--ease-out), padding-left .22s var(--ease-out);
}

.page-news .news-closing-link:hover,
.page-news .news-closing-link:focus-visible {
  background: var(--ink-panel);
  padding-left: 1.45rem;
}

.page-news .news-closing-index {
  grid-area: idx;
  color: var(--gold);
  font-size: .78rem;
  letter-spacing: .08em;
}

.page-news .news-closing-label {
  grid-area: label;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  color: var(--warm-white);
  letter-spacing: -.01em;
}

.page-news .news-closing-link .meta {
  grid-area: meta;
}

/* ---------- 图片容器微调 ---------- */

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

.page-news .figure-media {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--news-hair);
  background: var(--ink-panel);
}

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

.page-news .figure-caption {
  color: var(--text-dim);
  font-size: .8rem;
  line-height: 1.75;
  margin-top: .65rem;
}

/* ---------- 屏幕适配收束 ---------- */

@media (min-width: 900px) {
  .page-news .news-block {
    padding: clamp(2.8rem, 5.5vw, 4.6rem) 0;
  }

  .page-news .news-hero h1 {
    max-width: 24ch;
  }
}

@media (max-width: 480px) {
  .page-news .news-entry-head {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-news .news-entry-when {
    grid-column: 1;
    text-align: left;
  }

  .page-news .news-version-item {
    grid-template-columns: minmax(0, 1fr);
    gap: .4rem;
  }

  .page-news .news-version-tag {
    padding-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-entry-head,
  .page-news .news-entry-head::before,
  .page-news .news-tab,
  .page-news .news-series-item,
  .page-news .news-closing-link {
    transition: none;
  }
}