.page-news {
  padding-bottom: 40px;
}

/* ========== 首屏 ========== */
.page-news .news-hero {
  padding: clamp(24px, 4vw, 52px) 0 clamp(38px, 5.5vw, 68px);
  position: relative;
  overflow: hidden;
}

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

.page-news .news-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  margin-top: 22px;
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    gap: 40px;
    align-items: start;
  }
}

.page-news .news-hero__lead h1 {
  font-family: var(--font-display);
  font-size: clamp(38px, 7vw, 72px);
  line-height: 1.04;
  font-weight: 700;
  letter-spacing: 0.01em;
  margin: 14px 0 0;
  color: var(--ink);
}

.page-news .news-hero__lede {
  margin: 20px 0 0;
  max-width: 600px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--slate);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-news .news-hero__panel {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--mist);
  border-radius: var(--r-l);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.page-news .news-hero__panel-head,
.page-news .news-hero__panel-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 16px;
  position: relative;
  z-index: 1;
}

.page-news .news-hero__panel-head {
  border-bottom: 1px solid var(--mist);
  color: var(--slate);
}

.page-news .news-hero__panel-foot {
  border-top: 1px solid var(--mist);
  color: var(--slate);
}

.page-news .news-hero__figure {
  margin: 0;
  position: relative;
  z-index: 1;
  overflow: hidden;
}

.page-news .news-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1200 / 700;
  object-fit: cover;
}

/* ========== 侧边目录 ========== */
.page-news .news-toc {
  position: fixed;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  display: none;
  flex-direction: column;
  gap: 2px;
  padding: 12px 10px;
  background: rgba(251, 247, 239, 0.9);
  border: 1px solid var(--mist);
  border-radius: var(--r-s);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 30;
}

@media (min-width: 1180px) {
  .page-news .news-toc {
    display: flex;
  }
}

.page-news .news-toc__title {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--slate);
  padding: 2px 8px 6px;
}

.page-news .news-toc__link {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--slate);
  padding: 4px 8px;
  border-radius: 4px;
  white-space: nowrap;
  transition: color 140ms var(--ease), background 140ms var(--ease);
}

.page-news .news-toc__link:hover,
.page-news .news-toc__link[aria-current="true"] {
  color: var(--maple);
  background: rgba(200, 16, 46, 0.08);
}

/* ========== 共享区块头部 ========== */
.page-news .news-sec-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px 18px;
  align-items: start;
  margin-bottom: clamp(22px, 3.5vw, 38px);
  padding-bottom: 18px;
  border-bottom: 1px solid var(--mist);
}

.page-news .news-sec-num {
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 800;
  line-height: 1;
  color: var(--maple);
}

.page-news .news-sec-head__text h2 {
  font-family: var(--font-display);
  font-size: clamp(25px, 4vw, 38px);
  line-height: 1.12;
  margin: 0;
  color: var(--ink);
  letter-spacing: 0.02em;
}

.page-news .news-sec-head__text p {
  margin: 10px 0 0;
  max-width: 620px;
  color: var(--slate);
  font-size: 15.5px;
  line-height: 1.75;
}

/* ========== 时间轴 ========== */
.page-news .news-timeline {
  padding: clamp(38px, 5.5vw, 72px) 0;
  background: var(--paper);
  border-block: 1px solid var(--mist);
}

.page-news .news-timeline__banner {
  margin: 0 0 clamp(20px, 3vw, 32px);
  overflow: hidden;
  border-radius: var(--r-s);
  border: 1px solid var(--mist);
}

.page-news .news-timeline__banner img {
  display: block;
  width: 100%;
  height: auto;
  max-height: clamp(150px, 24vw, 240px);
  object-fit: cover;
}

.page-news .news-timeline__scroll {
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
}

.page-news .news-timeline__rail {
  position: relative;
  display: flex;
  gap: 18px;
  width: max-content;
  min-width: 100%;
  padding-top: 0;
}

.page-news .news-timeline__axis {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(to right, var(--maple) 0%, var(--mist) 88%);
}

.page-news .news-timeline__item {
  position: relative;
  flex: 0 0 260px;
  padding-top: 26px;
}

.page-news .news-timeline__dot {
  position: absolute;
  top: -5px;
  left: 20px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--maple);
  border: 2px solid var(--paper);
  box-sizing: border-box;
  z-index: 2;
}

.page-news .news-timeline__item:nth-child(even) .news-timeline__dot {
  background: var(--amber);
}

.page-news .news-timeline__item::after {
  content: '';
  position: absolute;
  top: 7px;
  left: 25px;
  width: 2px;
  height: 17px;
  background: var(--mist);
}

.page-news .news-timeline__item:nth-child(even) .news-node {
  margin-top: 26px;
}

.page-news .news-node {
  background: var(--white);
  border: 1px solid var(--mist);
  border-radius: var(--r-s);
  padding: 16px 16px 14px;
  box-shadow: var(--shadow-soft);
  transition: border-color 160ms var(--ease);
}

.page-news .news-node:hover {
  border-color: var(--maple);
}

.page-news .news-node__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.page-news .news-node__time {
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

.page-news .news-node h3 {
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.25;
  margin: 0 0 8px;
  color: var(--ink);
}

.page-news .news-node p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

.page-news .news-node__cat {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.04em;
  padding: 3px 8px;
  border-radius: 3px;
  background: var(--sand);
  color: var(--pine);
}

/* ========== 档案列表 ========== */
.page-news .news-archive {
  padding: clamp(38px, 5.5vw, 72px) 0;
}

.page-news .news-archive__banner {
  margin: 0 0 clamp(20px, 3vw, 30px);
  overflow: hidden;
  border-radius: var(--r-s);
  border: 1px solid var(--mist);
}

.page-news .news-archive__banner img {
  display: block;
  width: 100%;
  height: auto;
  max-height: clamp(150px, 24vw, 220px);
  object-fit: cover;
}

.page-news .news-archive__body {
  position: relative;
}

.page-news .news-filter__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-news .news-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-news .news-filter__chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  border: 1px solid var(--mist);
  border-radius: 999px;
  background: var(--paper);
  color: var(--slate);
  cursor: pointer;
  transition: background 140ms var(--ease), color 140ms var(--ease), border-color 140ms var(--ease);
}

.page-news .news-filter__chip:hover {
  border-color: var(--ice);
  color: var(--ink);
}

.page-news #nf-all:checked ~ .news-filter [for="nf-all"],
.page-news #nf-v32:checked ~ .news-filter [for="nf-v32"],
.page-news #nf-v31:checked ~ .news-filter [for="nf-v31"],
.page-news #nf-v2x:checked ~ .news-filter [for="nf-v2x"] {
  background: var(--maple);
  border-color: var(--maple);
  color: var(--white);
}

.page-news .news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .news-list .news-entry {
  display: block;
}

.page-news #nf-v32:checked ~ .news-list .news-entry,
.page-news #nf-v31:checked ~ .news-list .news-entry,
.page-news #nf-v2x:checked ~ .news-list .news-entry {
  display: none;
}

.page-news #nf-v32:checked ~ .news-list .news-entry[data-version="v3.2"],
.page-news #nf-v31:checked ~ .news-list .news-entry[data-version="v3.1"],
.page-news #nf-v2x:checked ~ .news-list .news-entry[data-version="v2.x"] {
  display: block;
}

.page-news .news-entry {
  background: var(--white);
  border: 1px solid var(--mist);
  border-radius: var(--r-s);
  overflow: hidden;
}

.page-news .news-entry details[open] {
  background: var(--paper);
}

.page-news .news-entry summary {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 44px 14px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-news .news-entry summary::marker {
  content: '';
}

.page-news .news-entry summary::after {
  content: '+';
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--maple);
  transition: transform 160ms var(--ease);
}

.page-news .news-entry details[open] summary::after {
  content: '−';
}

.page-news .news-entry details[open] summary {
  border-bottom: 1px solid var(--mist);
}

.page-news .news-entry__cat {
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--maple);
}

.page-news .news-entry__title {
  font-size: 15.5px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
}

.page-news .news-entry__meta {
  font-size: 11px;
  letter-spacing: 0.03em;
  color: var(--slate);
}

@media (min-width: 720px) {
  .page-news .news-entry summary {
    grid-template-columns: 90px minmax(0, 1fr) auto;
    gap: 4px 14px;
    align-items: baseline;
  }
  .page-news .news-entry__meta {
    grid-column: auto;
    padding-right: 4px;
  }
}

.page-news .news-entry__body {
  padding: 14px 16px 16px;
  border-top: 1px solid var(--mist);
}

.page-news .news-entry__body p {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
}

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

.page-news .news-entry__body a {
  color: var(--ice-deep);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-news .news-entry__body a:hover {
  color: var(--maple);
}

/* ========== 版本对照 ========== */
.page-news .news-compare {
  padding: clamp(38px, 5.5vw, 72px) 0;
  background: var(--paper);
  border-block: 1px solid var(--mist);
}

.page-news .news-compare__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 880px) {
  .page-news .news-compare__layout {
    grid-template-columns: minmax(0, 0.34fr) minmax(0, 0.66fr);
    gap: 32px;
    align-items: start;
  }
}

.page-news .news-compare__figure {
  margin: 0;
  overflow: hidden;
  border-radius: var(--r-s);
  border: 1px solid var(--mist);
  background: var(--sand);
}

.page-news .news-compare__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 800 / 600;
  object-fit: cover;
}

.page-news .news-compare__figure figcaption {
  padding: 10px 14px;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--slate);
  border-top: 1px solid var(--mist);
}

.page-news .news-compare__table-wrap {
  overflow-x: auto;
  border: 1px solid var(--mist);
  border-radius: var(--r-s);
  background: var(--white);
}

.page-news .news-compare__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  line-height: 1.6;
}

.page-news .news-compare__table th,
.page-news .news-compare__table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--mist);
  vertical-align: top;
}

.page-news .news-compare__table thead th {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--pine);
  border-bottom: 1px solid var(--pine);
}

.page-news .news-compare__table thead th:nth-child(2) {
  color: var(--ice);
}

.page-news .news-compare__table thead th:nth-child(3) {
  color: var(--sand);
}

.page-news .news-compare__table tbody th {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--slate);
  white-space: nowrap;
  background: var(--sand);
  width: 100px;
}

.page-news .news-compare__table tbody td {
  color: var(--ink);
}

.page-news .news-compare__table tbody td:nth-child(2) {
  color: var(--slate);
}

.page-news .news-compare__table tbody tr:last-child th,
.page-news .news-compare__table tbody tr:last-child td {
  border-bottom: none;
}

/* ========== 帮助 ========== */
.page-news .news-help {
  padding: clamp(38px, 5.5vw, 72px) 0 clamp(46px, 6vw, 80px);
}

.page-news .news-help__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

@media (min-width: 880px) {
  .page-news .news-help__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 40px;
    align-items: start;
  }
}

.page-news .news-help__text h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.16;
  margin: 12px 0 0;
  color: var(--ink);
}

.page-news .news-help__text p {
  margin: 14px 0 0;
  max-width: 500px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--slate);
}

.page-news .news-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-news .news-help__card {
  background: var(--pine);
  border-radius: var(--r-l);
  padding: 22px 20px;
  color: var(--sand);
}

.page-news .news-help__card-label {
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ice);
  margin: 0 0 12px;
}

.page-news .news-help__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-news .news-help__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--sand);
}

.page-news .news-help__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 2px;
  background: var(--amber);
}

.page-news .news-help__contact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  padding: 12px 14px;
  background: rgba(251, 247, 239, 0.08);
  border: 1px solid rgba(251, 247, 239, 0.18);
  border-radius: var(--r-s);
}

.page-news .news-help__contact .mono {
  font-size: 13px;
  color: var(--white);
  word-break: break-all;
}

.page-news .news-help__contact .copy-btn {
  background: var(--amber);
  color: var(--pine);
  border: none;
  font-size: 11px;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  padding: 5px 12px;
  border-radius: 3px;
  cursor: pointer;
}

.page-news .news-help__note {
  margin: 12px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--ice);
}

/* ========== 窄屏时间轴 ========== */
@media (max-width: 759px) {
  .page-news .news-timeline__scroll {
    overflow-x: visible;
    padding-bottom: 0;
  }

  .page-news .news-timeline__rail {
    display: flex;
    flex-direction: column;
    width: 100%;
    min-width: 0;
    gap: 14px;
    padding-left: 20px;
  }

  .page-news .news-timeline__axis {
    top: 6px;
    bottom: 6px;
    left: 5px;
    right: auto;
    width: 2px;
    height: auto;
    background: linear-gradient(to bottom, var(--maple) 0%, var(--mist) 88%);
  }

  .page-news .news-timeline__item {
    flex: 0 0 auto;
    padding-top: 0;
    padding-left: 16px;
  }

  .page-news .news-timeline__dot {
    top: 16px;
    left: -20px;
  }

  .page-news .news-timeline__item::after {
    display: none;
  }

  .page-news .news-timeline__item:nth-child(even) .news-node {
    margin-top: 0;
  }
}