.page-news {
  --news-pad: clamp(22px, 4.6vw, 52px);
  --news-gap: clamp(18px, 3vw, 34px);
  font-family: var(--font-cn);
  color: var(--silver);
  overflow-x: clip;
}

.page-news section[id] {
  scroll-margin-top: 96px;
}

/* ---------- 页首 ---------- */
.page-news .news-hero {
  position: relative;
  padding: clamp(20px, 4vw, 44px) 0 clamp(20px, 3.4vw, 40px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(110% 80% at 82% -20%, rgba(49, 225, 212, .18), transparent 62%),
    radial-gradient(90% 80% at -5% 108%, rgba(169, 107, 255, .16), transparent 64%),
    linear-gradient(180deg, rgba(14, 59, 69, .35), transparent 70%);
}

.page-news .news-hero__inner {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
}

.page-news .news-hero__grid {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  align-items: end;
}

.page-news .news-hero__lead {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-news .news-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .news-hero__media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lift);
}

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

/* ---------- 页首索引轨道 ---------- */
.page-news .news-rail {
  display: grid;
  gap: 10px;
  padding-top: clamp(12px, 2vw, 20px);
  border-top: 1px solid var(--line);
}

.page-news .news-rail ol {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 2px 2px 10px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-rail li {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.page-news .news-rail a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 17px;
  border: 1px solid var(--line-strong);
  border-radius: var(--pill);
  background: rgba(18, 41, 61, .6);
  color: var(--silver);
  font-size: 14px;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}

.page-news .news-rail a .tt-num {
  color: var(--cyan);
  font-size: 12px;
}

.page-news .news-rail a:hover,
.page-news .news-rail a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(49, 225, 212, .1);
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 区块头 ---------- */
.page-news .news-sec-head {
  display: grid;
  gap: 12px;
  max-width: 68ch;
  margin-bottom: clamp(22px, 3.4vw, 38px);
}

.page-news .news-sec-head__lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--silver);
}

/* ---------- 五栏目切换 ---------- */
.page-news .news-tabs {
  display: grid;
  gap: clamp(18px, 2.6vw, 28px);
}

.page-news .news-tabs__list {
  display: flex;
  flex-wrap: nowrap;
  gap: 10px;
  margin: 0;
  padding: 0 2px 12px;
  overflow-x: auto;
  border-bottom: 1px solid var(--line);
  -webkit-overflow-scrolling: touch;
}

.page-news .news-tab {
  flex: 0 0 auto;
  padding: 11px 18px;
  border: 1px solid var(--line-strong);
  border-radius: var(--pill);
  background: rgba(18, 41, 61, .5);
  color: var(--silver);
  font: inherit;
  font-size: 14px;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: color .2s ease, background .2s ease, border-color .2s ease;
}

.page-news .news-tab:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

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

.page-news .news-tab[aria-selected="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
  font-weight: 700;
}

.page-news .news-panel {
  display: grid;
  gap: 14px;
  max-width: 74ch;
  padding: clamp(20px, 3vw, 30px) clamp(18px, 3vw, 32px);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(18, 41, 61, .78), rgba(10, 26, 43, .78));
}

.page-news .news-panel[hidden] {
  display: none;
}

.page-news .news-panel p {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
}

.page-news .news-panel__link {
  margin-top: 4px;
}

.page-news .news-panel__link a {
  color: var(--cyan);
  text-decoration: none;
  font-size: 15px;
  border-bottom: 1px solid rgba(49, 225, 212, .4);
}

.page-news .news-panel__link a:hover,
.page-news .news-panel__link a:focus-visible {
  border-bottom-color: var(--cyan);
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 当前版服务范围变更说明 ---------- */
.page-news .news-change {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  padding: var(--news-pad);
  border-radius: var(--radius-xl);
  background: var(--paper);
  color: var(--paper-ink);
  box-shadow: var(--shadow-lift);
}

.page-news .news-change__body {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-news .news-change__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: #8a5a2b;
}

.page-news .news-change__title {
  margin: 0;
  color: var(--paper-ink);
  text-shadow: none;
}

.page-news .news-change__lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: #2b333f;
}

.page-news .news-change .tt-rule {
  margin: 6px 0;
  border: none;
  height: 1px;
  background: linear-gradient(90deg, rgba(16, 22, 31, .45), rgba(16, 22, 31, .05));
}

.page-news .news-change__list {
  display: grid;
  gap: 0;
  margin: 0;
}

.page-news .news-change__row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px dashed rgba(16, 22, 31, .22);
}

.page-news .news-change__row:last-child {
  border-bottom: none;
}

.page-news .news-change__row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #7a5220;
}

.page-news .news-change__row dd {
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--paper-ink);
}

.page-news .news-change__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

.page-news .news-change__media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--teal-deep);
}

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

/* ---------- 迭代记录 ---------- */
.page-news .news-log-wrap {
  display: grid;
  gap: clamp(22px, 3.4vw, 42px);
  align-items: start;
}

.page-news .news-log {
  display: block;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-log__item {
  position: relative;
  padding: 20px 20px 20px 24px;
  border: 1px solid var(--line);
  border-left: 3px solid transparent;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(18, 41, 61, .82), rgba(10, 26, 43, .9));
  transition: border-color .22s ease, transform .22s ease, box-shadow .22s ease;
}

.page-news .news-log > li + li {
  margin-top: 14px;
}

.page-news .news-log > li:nth-child(5) ~ li {
  margin-top: 26px;
}

.page-news .news-log__item:hover,
.page-news .news-log__item:focus-within {
  border-left-color: var(--cyan);
  transform: translateY(-2px);
  box-shadow: 0 16px 38px rgba(3, 10, 18, .5);
}

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

.page-news .news-log__no {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--cyan);
}

.page-news .news-log__time {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--silver);
  opacity: .78;
}

.page-news .news-log__item .tt-h3 {
  margin: 0 0 8px;
  font-size: clamp(17px, 2.2vw, 20px);
}

.page-news .news-log__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--silver);
}

.page-news .news-log-side {
  display: grid;
  gap: 18px;
}

.page-news .news-log-side__media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
}

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

.page-news .news-log-side__facts {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 4px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(14, 59, 69, .3);
}

.page-news .news-log-side__facts > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .news-log-side__facts > div:last-child {
  border-bottom: none;
}

.page-news .news-log-side__facts dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--silver);
  opacity: .8;
}

.page-news .news-log-side__facts dd {
  margin: 0;
  font-size: 15px;
  color: var(--cyan);
}

/* ---------- 索引与适配摘要 ---------- */
.page-news .news-summary {
  display: grid;
  gap: clamp(22px, 3.4vw, 44px);
  align-items: start;
}

.page-news .news-summary__media {
  margin: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lift);
}

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

.page-news .news-summary__body {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.page-news .news-summary__list {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-summary__list li {
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: rgba(18, 41, 61, .72);
  border: 1px solid var(--line);
  border-left: 3px solid var(--violet);
}

.page-news .news-summary__list li:nth-child(2) {
  border-left-color: var(--cyan);
}

.page-news .news-summary__list li:nth-child(3) {
  border-left-color: var(--orange);
}

.page-news .news-summary__list li:nth-child(4) {
  border-left-color: var(--amber);
}

.page-news .news-summary__list .tt-h3 {
  margin: 0 0 6px;
  font-size: 17px;
}

.page-news .news-summary__list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--silver);
}

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

.page-news .news-summary__foot a {
  color: var(--cyan);
  text-decoration: none;
  font-size: 15px;
  border-bottom: 1px solid rgba(49, 225, 212, .4);
}

.page-news .news-summary__foot a:hover,
.page-news .news-summary__foot a:focus-visible {
  border-bottom-color: var(--cyan);
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 回访提醒 ---------- */
.page-news .news-remind {
  display: grid;
  gap: 18px;
}

.page-news .news-remind__card {
  display: grid;
  gap: 14px;
  align-content: start;
  padding: clamp(20px, 3.2vw, 34px);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(18, 41, 61, .85), rgba(10, 26, 43, .9));
}

.page-news .news-remind__card .tt-h3 {
  margin: 0;
  font-size: clamp(18px, 2.4vw, 22px);
}

.page-news .news-remind__card p {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--silver);
}

.page-news .news-remind__card .tt-btn {
  justify-self: start;
}

.page-news .news-remind__card--paper {
  background: var(--paper);
  border-color: transparent;
  color: var(--paper-ink);
}

.page-news .news-remind__card--paper .tt-h3 {
  color: var(--paper-ink);
}

.page-news .news-remind__card--paper p {
  color: #2b333f;
}

.page-news .news-remind__card--paper .tt-btn--ghost {
  border-color: rgba(16, 22, 31, .45);
  color: var(--paper-ink);
}

.page-news .news-remind__card--paper .tt-btn--ghost:hover,
.page-news .news-remind__card--paper .tt-btn--ghost:focus-visible {
  background: rgba(16, 22, 31, .08);
  border-color: var(--paper-ink);
}

/* ---------- 交互可达性 ---------- */
.page-news a:focus-visible,
.page-news button:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-news .news-change {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }

  .page-news .news-log-wrap {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  }

  .page-news .news-log-side {
    position: sticky;
    top: 96px;
  }

  .page-news .news-summary {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-news .news-remind {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
}

@media (min-width: 1200px) {
  .page-news .news-hero {
    padding-top: clamp(32px, 3.4vw, 64px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-log__item,
  .page-news .news-rail a,
  .page-news .news-tab {
    transition: none;
  }

  .page-news .news-log__item:hover,
  .page-news .news-log__item:focus-within {
    transform: none;
  }
}