.page-news {
  --news-line: rgba(201, 162, 75, 0.2);
  --news-soft-line: rgba(216, 210, 198, 0.13);
  --news-body: rgba(237, 232, 220, 0.78);
  --news-body-dim: rgba(237, 232, 220, 0.66);
  padding: 1.5rem 0 3.5rem;
  color: var(--text);
  font-family: var(--font-sans);
}

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

.page-news .breadcrumb {
  margin-bottom: 1.25rem;
}

/* 首屏 */
.page-news .feed-intro {
  display: grid;
  gap: 0.9rem;
  padding-bottom: 1.9rem;
  border-bottom: 1px solid var(--news-line);
}

.page-news .feed-intro .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  color: var(--celadon);
  margin: 0;
}

.page-news h1 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(1.85rem, 5.2vw, 3.05rem);
  line-height: 1.22;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-news .h1-accent {
  color: var(--gold-light);
}

.page-news .feed-lede {
  margin: 0;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--news-body);
}

.page-news .feed-stats {
  list-style: none;
  margin: 0.85rem 0 0;
  padding: 1.05rem 1.15rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 0.9rem;
  background: var(--xuanqing);
  border-left: 3px solid var(--gold);
}

.page-news .feed-stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.45rem;
  line-height: 1.1;
  color: var(--gold-light);
  letter-spacing: -0.02em;
}

.page-news .feed-stat-label {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.76rem;
  line-height: 1.5;
  color: var(--celadon);
}

/* 左索引 */
.page-news .trends-rail {
  margin-top: 2rem;
}

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

.page-news .rail-title {
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  color: var(--celadon);
}

.page-news .rail-list {
  list-style: none;
  margin: 0;
  padding: 0 0 0.35rem;
  display: flex;
  gap: 0.35rem;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-news .rail-list li {
  flex: 0 0 auto;
}

.page-news .rail-link {
  display: block;
  padding: 0.42rem 0.7rem;
  border-left: 2px solid var(--news-soft-line);
  color: var(--text-dim);
  font-size: 0.86rem;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.24s var(--ease-out), border-color 0.24s var(--ease-out), background-color 0.24s var(--ease-out);
}

.page-news .rail-link:hover,
.page-news .rail-link:focus-visible {
  color: var(--gold-light);
  border-left-color: var(--gold);
  outline: none;
}

.page-news .rail-link[aria-current="true"] {
  color: var(--gold-light);
  border-left-color: var(--cinnabar);
  background: rgba(201, 162, 75, 0.08);
}

.page-news .rail-note {
  margin: 0.9rem 0 0;
  padding-top: 0.75rem;
  border-top: 1px solid var(--news-soft-line);
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--news-body-dim);
}

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

.page-news .section {
  padding: 2.25rem 0;
  border-top: 1px solid var(--news-soft-line);
}

.page-news .feed-section {
  border-top: 0;
  padding-top: 2.1rem;
}

.page-news .section-head {
  margin-bottom: 1.25rem;
}

.page-news .section-title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.3rem, 3vw, 1.65rem);
  line-height: 1.3;
  color: var(--paper);
}

.page-news .section-lead {
  margin: 0.5rem 0 0;
  max-width: 58ch;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--news-body-dim);
}

/* 头图 */
.page-news .news-hero {
  margin: 0 0 0.25rem;
  border: 1px solid var(--news-line);
  background: var(--ink-soft);
  padding: 0.35rem;
  box-shadow: var(--shadow-card);
}

.page-news .news-hero img {
  width: 100%;
  object-fit: cover;
}

/* 分类筛选 */
.page-news .feed-filter {
  position: relative;
  margin-top: 1.6rem;
}

.page-news .filter-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--news-line);
}

.page-news .filter-chip {
  cursor: pointer;
  padding: 0.4rem 0.72rem;
  border: 1px solid var(--line-gold);
  background: transparent;
  color: var(--celadon);
  font-family: var(--font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.06em;
  transition: color 0.22s var(--ease-out), border-color 0.22s var(--ease-out), background-color 0.22s var(--ease-out);
}

.page-news .filter-chip:hover {
  color: var(--gold-light);
  border-color: var(--gold);
}

.page-news #cat-all:checked ~ .filter-bar [for="cat-all"],
.page-news #cat-version:checked ~ .filter-bar [for="cat-version"],
.page-news #cat-rule:checked ~ .filter-bar [for="cat-rule"],
.page-news #cat-screen:checked ~ .filter-bar [for="cat-screen"],
.page-news #cat-index:checked ~ .filter-bar [for="cat-index"],
.page-news #cat-ops:checked ~ .filter-bar [for="cat-ops"] {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
}

.page-news #cat-all:focus-visible ~ .filter-bar [for="cat-all"],
.page-news #cat-version:focus-visible ~ .filter-bar [for="cat-version"],
.page-news #cat-rule:focus-visible ~ .filter-bar [for="cat-rule"],
.page-news #cat-screen:focus-visible ~ .filter-bar [for="cat-screen"],
.page-news #cat-index:focus-visible ~ .filter-bar [for="cat-index"],
.page-news #cat-ops:focus-visible ~ .filter-bar [for="cat-ops"] {
  outline: 2px solid var(--gold-light);
  outline-offset: 2px;
}

.page-news #cat-version:checked ~ .feed-list .feed-item:not([data-cat="version"]),
.page-news #cat-rule:checked ~ .feed-list .feed-item:not([data-cat="rule"]),
.page-news #cat-screen:checked ~ .feed-list .feed-item:not([data-cat="screen"]),
.page-news #cat-index:checked ~ .feed-list .feed-item:not([data-cat="index"]),
.page-news #cat-ops:checked ~ .feed-list .feed-item:not([data-cat="ops"]) {
  display: none;
}

/* 条目列表 */
.page-news .feed-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .feed-item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.55rem;
  padding: 1.15rem 0.25rem 1.2rem;
  border-bottom: 1px solid var(--news-soft-line);
  transition: background-color 0.26s var(--ease-out);
}

.page-news .feed-item:hover {
  background: rgba(201, 162, 75, 0.05);
}

.page-news .feed-when {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--celadon);
  white-space: nowrap;
}

.page-news .feed-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border: 1px solid var(--gold);
  transform: rotate(45deg);
}

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

.page-news .feed-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.45rem;
}

.page-news .feed-cat {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--line-gold);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--gold-light);
}

.page-news .feed-cat--rule {
  color: var(--cinnabar-soft);
  border-color: rgba(179, 58, 43, 0.55);
}

.page-news .feed-cat--screen {
  color: var(--celadon);
  border-color: rgba(142, 154, 148, 0.5);
}

.page-news .feed-cat--index {
  color: var(--mist);
  border-color: rgba(216, 210, 198, 0.4);
}

.page-news .feed-cat--ops {
  color: #9dbfaf;
  border-color: rgba(79, 111, 100, 0.75);
}

.page-news .feed-no {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

.page-news .feed-title {
  margin: 0 0 0.4rem;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.04rem;
  line-height: 1.5;
  color: var(--paper);
}

.page-news .feed-text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--news-body);
}

.page-news .feed-body .link-arrow {
  display: inline-block;
  margin-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
  padding-bottom: 0.1rem;
}

.page-news .feed-body .link-arrow:hover,
.page-news .feed-body .link-arrow:focus-visible {
  color: var(--gold-light);
  border-bottom-color: var(--gold-light);
  outline: none;
}

/* 专题块 */
.page-news .topic-block {
  padding: 2.4rem 0;
}

.page-news .topic-grid {
  display: grid;
  gap: 1.5rem;
  align-items: center;
}

.page-news .topic-copy {
  min-width: 0;
}

.page-news .topic-copy .eyebrow {
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-news .topic-text {
  margin: 0.65rem 0 0;
  font-size: 0.93rem;
  line-height: 1.85;
  color: var(--news-body);
}

.page-news .topic-points {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-news .topic-points li {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 0.6rem;
  padding-left: 0.65rem;
  border-left: 1px solid var(--news-line);
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--news-body);
}

.page-news .topic-points .mono {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--gold);
  letter-spacing: 0.06em;
}

.page-news .topic-figure {
  margin: 0;
  padding: 0.4rem;
  border: 1px solid var(--news-line);
  background: var(--ink-soft);
  box-shadow: var(--shadow-card);
}

.page-news .topic-figure img {
  width: 100%;
  object-fit: cover;
}

.page-news .topic-copy .link-arrow {
  display: inline-block;
  margin-top: 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
  padding-bottom: 0.12rem;
}

.page-news .topic-copy .link-arrow:hover,
.page-news .topic-copy .link-arrow:focus-visible {
  color: var(--gold-light);
  border-bottom-color: var(--gold-light);
  outline: none;
}

/* 规则调整记录 */
.page-news .rule-log {
  display: grid;
  gap: 0.55rem;
  margin: 1.15rem 0 0.2rem;
}

.page-news .log-item {
  border: 1px solid var(--news-soft-line);
  background: var(--ink-soft);
}

.page-news .log-item[open] {
  border-color: var(--line-gold);
}

.page-news .log-item summary {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  padding: 0.7rem 0.9rem;
  cursor: pointer;
  list-style: none;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--paper);
}

.page-news .log-item summary::-webkit-details-marker {
  display: none;
}

.page-news .log-item summary::after {
  content: "＋";
  margin-left: auto;
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.page-news .log-item[open] summary::after {
  content: "－";
}

.page-news .log-no {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-news .log-item p {
  margin: 0;
  padding: 0 0.9rem 0.85rem;
  font-size: 0.87rem;
  line-height: 1.8;
  color: var(--news-body);
}

/* 小屏记录 */
.page-news .screen-block {
  padding: 2.4rem 0;
}

.page-news .screen-panel {
  padding: 1.35rem 1.15rem;
  background: var(--xuanqing);
  border: 1px solid rgba(201, 162, 75, 0.32);
  border-left: 3px solid var(--bronze);
}

.page-news .screen-grid {
  display: grid;
  gap: 1.5rem;
  align-items: center;
}

.page-news .screen-copy {
  min-width: 0;
}

.page-news .screen-copy .eyebrow {
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--gold-light);
}

.page-news .screen-copy .link-arrow {
  display: inline-block;
  margin-top: 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--gold-light);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
  padding-bottom: 0.12rem;
}

.page-news .screen-copy .link-arrow:hover,
.page-news .screen-copy .link-arrow:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
  outline: none;
}

.page-news .tape {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0 0 0 1.15rem;
  border-left: 1px dashed rgba(201, 162, 75, 0.4);
  display: grid;
  gap: 0.8rem;
}

.page-news .tape li {
  position: relative;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--news-body);
}

.page-news .tape li::before {
  content: "";
  position: absolute;
  left: -1.42rem;
  top: 0.5rem;
  width: 8px;
  height: 8px;
  background: var(--gold);
  transform: rotate(45deg);
}

.page-news .screen-figure {
  margin: 0;
  padding: 0.35rem;
  border: 1px solid var(--news-line);
  background: var(--ink);
}

.page-news .screen-figure img {
  width: 100%;
  object-fit: cover;
}

/* 专题索引 */
.page-news .topic-index {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .topic-row {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 0.3rem 0.75rem;
  padding: 1rem 0;
  border-top: 1px solid var(--news-soft-line);
}

.page-news .topic-row:last-child {
  border-bottom: 1px solid var(--news-soft-line);
}

.page-news .topic-no {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--gold);
  padding-top: 0.15rem;
}

.page-news .topic-cell {
  min-width: 0;
}

.page-news .topic-name {
  margin: 0 0 0.25rem;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--paper);
}

.page-news .topic-desc {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--news-body-dim);
}

.page-news .topic-link {
  grid-column: 2;
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
  padding-bottom: 0.1rem;
}

.page-news .topic-link:hover,
.page-news .topic-link:focus-visible {
  color: var(--gold-light);
  border-bottom-color: var(--gold-light);
  outline: none;
}

/* 下一步 */
.page-news .next-step {
  padding-bottom: 0.5rem;
}

.page-news .next-grid {
  display: grid;
  gap: 1rem;
}

.page-news .next-card {
  padding: 1.2rem 1.15rem 1.3rem;
  background: var(--ink-soft);
  border: 1px solid var(--line-gold);
  border-left: 3px solid var(--cinnabar);
}

.page-news .next-title {
  margin: 0 0 0.5rem;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--paper);
}

.page-news .next-text {
  margin: 0 0 1rem;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--news-body);
}

.page-news .next-tail {
  margin: 1.4rem 0 0;
  padding-top: 0.9rem;
  border-top: 1px solid var(--news-soft-line);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  line-height: 1.8;
  color: var(--celadon);
}

/* 响应式 */
@media (min-width: 600px) {
  .page-news .feed-item {
    grid-template-columns: 6.5rem minmax(0, 1fr);
    gap: 1.25rem;
    padding-left: 0.4rem;
  }

  .page-news .feed-when {
    align-items: flex-start;
    padding-top: 0.2rem;
    border-right: 1px solid var(--news-soft-line);
    padding-right: 0.75rem;
    height: 100%;
  }
}

@media (min-width: 760px) {
  .page-news {
    padding: 2rem 0 4.5rem;
  }

  .page-news .feed-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    padding: 1.15rem 1.4rem;
  }

  .page-news .feed-item {
    grid-template-columns: 8rem minmax(0, 1fr);
    gap: 1.75rem;
  }

  .page-news .topic-row {
    grid-template-columns: 3rem minmax(0, 1fr) auto;
    align-items: center;
    gap: 1.1rem;
  }

  .page-news .topic-link {
    grid-column: 3;
  }

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

  .page-news .screen-panel {
    padding: 1.75rem 1.75rem;
  }
}

@media (min-width: 900px) {
  .page-news .rail {
    position: sticky;
    top: 5.5rem;
    align-self: start;
  }

  .page-news .rail-list {
    flex-direction: column;
    gap: 0.2rem;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .rail-link {
    white-space: normal;
    font-size: 0.88rem;
  }

  .page-news .rail-note {
    margin-top: 1.1rem;
  }

  .page-news .topic-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 2.2rem;
  }

  .page-news .topic-block--flip .topic-copy {
    order: 2;
  }

  .page-news .topic-block--flip .topic-figure {
    order: 1;
  }

  .page-news .screen-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .rail-link,
  .page-news .filter-chip,
  .page-news .feed-item {
    transition: none;
  }
}