.page-news {
  --news-hairline: var(--slate-700);
  --news-quiet: rgba(53, 240, 140, 0.06);
}

/* ---------- 页首标题区 ---------- */
.page-news .news-masthead {
  padding: clamp(40px, 6vw, 88px) 0 clamp(24px, 3.5vw, 40px);
}

.page-news .news-masthead__inner {
  display: grid;
  gap: 22px;
}

@media (min-width: 900px) {
  .page-news .news-masthead__inner {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 56px;
    align-items: end;
  }
}

.page-news .news-masthead__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 250;
  font-size: clamp(46px, 8.4vw, 108px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--paper-050);
}

.page-news .news-masthead__note .lede {
  margin: 0;
  max-width: 34em;
}

/* ---------- 置顶专题 ---------- */
.page-news .news-feature {
  position: relative;
  margin-bottom: clamp(40px, 6vw, 84px);
}

.page-news .news-feature__stage {
  position: relative;
  overflow: hidden;
}

.page-news .news-feature__stage img {
  display: block;
  width: 100%;
  height: clamp(300px, 44vw, 600px);
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% 86%, 0 100%);
  filter: saturate(0.5) brightness(0.72);
}

.page-news .news-feature__veil {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(115deg, rgba(4, 6, 11, 0.9) 0%, rgba(4, 6, 11, 0.48) 52%, rgba(4, 6, 11, 0.12) 100%);
}

.page-news .news-feature__body {
  position: relative;
  z-index: 2;
  margin-top: -64px;
}

@media (min-width: 900px) {
  .page-news .news-feature__body {
    margin-top: -128px;
  }
}

.page-news .news-feature__panel {
  max-width: 720px;
  padding: clamp(22px, 3vw, 36px);
  border-radius: var(--radius);
}

.page-news .news-feature__title {
  margin: 12px 0 14px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(24px, 3.2vw, 36px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--paper-050);
}

.page-news .news-feature__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fog-200);
}

.page-news .news-feature__links {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-news .news-feature__links a {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 8px 12px;
  border-left: 2px solid var(--slate-600);
  color: var(--fog-200);
  font-size: 14px;
  line-height: 1.55;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .news-feature__links a .mono {
  flex: none;
  font-size: 12px;
  color: var(--signal-green);
}

.page-news .news-feature__links a:hover,
.page-news .news-feature__links a:focus-visible {
  border-left-color: var(--signal-green);
  background-color: var(--news-quiet);
  color: var(--paper-050);
}

/* ---------- 主体：左列表 右说明 ---------- */
.page-news .news-body {
  display: grid;
  gap: 40px;
  padding-top: clamp(8px, 2vw, 24px);
  padding-bottom: clamp(56px, 8vw, 112px);
}

@media (min-width: 1080px) {
  .page-news .news-body {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 56px;
    align-items: start;
  }
}

.page-news .news-cats__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--paper-050);
}

.page-news .news-cats__hint {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--fog-500);
}

/* ---------- 标签条 ---------- */
.page-news .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 2px 6px;
  border-bottom: 1px solid var(--news-hairline);
  margin-bottom: 6px;
}

.page-news .tabs__tab {
  appearance: none;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  padding: 12px 14px;
  min-height: 44px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--fog-500);
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .tabs__tab:hover {
  color: var(--fog-200);
}

.page-news .tabs__tab[aria-selected="true"] {
  color: var(--paper-050);
  border-bottom-color: var(--signal-green);
}

.page-news .tabs__tab:focus-visible {
  outline: 2px solid var(--signal-green);
  outline-offset: 2px;
}

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

.page-news .news-panel {
  padding-top: clamp(20px, 2.6vw, 30px);
}

.page-news .news-panel__figure {
  margin: 0 0 26px;
}

.page-news .news-panel__lede {
  margin: 0 0 22px;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fog-200);
}

.page-news .news-panel__foot {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog-500);
}

.page-news .news-panel__foot a {
  color: var(--fog-200);
  text-decoration: underline;
  text-decoration-color: var(--green-deep);
  text-underline-offset: 4px;
}

.page-news .news-panel__foot a:hover,
.page-news .news-panel__foot a:focus-visible {
  color: var(--signal-green);
}

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

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

.page-news .news-item {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  column-gap: 14px;
  padding: 18px 0 16px;
  border-top: 1px solid var(--news-hairline);
  transition: border-color var(--dur) var(--ease);
}

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

.page-news .news-item:hover {
  border-top-color: var(--green-deep);
}

.page-news .news-item__idx {
  grid-column: 1;
  grid-row: 1 / span 2;
  padding-top: 3px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--signal-green);
  font-variant-numeric: tabular-nums;
}

.page-news .news-item__head {
  grid-column: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
}

.page-news .news-item__title {
  margin: 0;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.55;
  color: var(--paper-050);
}

.page-news .news-item__time {
  margin-left: auto;
  font-size: 11px;
  letter-spacing: 0.05em;
  white-space: nowrap;
  color: var(--fog-500);
}

.page-news .news-item__sum {
  grid-column: 2;
  margin: 6px 0 0;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
  line-clamp: 1;
  overflow: hidden;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fog-500);
  transition: color var(--dur) var(--ease);
}

.page-news .news-item:hover .news-item__sum,
.page-news .news-item:focus-within .news-item__sum {
  -webkit-line-clamp: 5;
  line-clamp: 5;
  color: var(--fog-200);
}

.page-news .news-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 26px;
  min-height: 44px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fog-500);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .news-back:hover,
.page-news .news-back:focus-visible {
  color: var(--signal-green);
  border-bottom-color: var(--signal-green);
}

/* ---------- 右栏说明 ---------- */
.page-news .news-aside {
  min-width: 0;
}

@media (min-width: 1080px) {
  .page-news .news-aside {
    position: sticky;
    top: 96px;
  }
}

.page-news .news-rhythm {
  padding: clamp(20px, 2.6vw, 30px);
  border-radius: var(--radius);
}

.page-news .news-rhythm__title {
  margin: 10px 0 18px;
  font-size: 21px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--paper-050);
}

.page-news .news-rhythm__list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .news-rhythm__list li {
  border-top: 1px solid var(--news-hairline);
  padding-top: 12px;
}

.page-news .news-rhythm__key {
  display: block;
  margin-bottom: 5px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--signal-green);
}

.page-news .news-rhythm__list p {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--fog-200);
}

.page-news .news-rhythm__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-bottom: 20px;
  background-color: var(--news-hairline);
  border: 1px solid var(--news-hairline);
}

.page-news .news-rhythm__stats .stat {
  background-color: var(--ink-900);
  padding: 12px 14px;
}

.page-news .news-rhythm__stats .stat__value {
  display: block;
  font-size: 22px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--paper-050);
  font-variant-numeric: tabular-nums;
}

.page-news .news-rhythm__stats .stat__label {
  display: block;
  margin-top: 5px;
  font-size: 11px;
  letter-spacing: 0.03em;
  line-height: 1.5;
  color: var(--fog-500);
}

.page-news .news-rhythm__note {
  margin: 0 0 16px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--fog-500);
}

.page-news .news-rhythm__note a {
  color: var(--fog-200);
  text-decoration: underline;
  text-decoration-color: var(--green-deep);
  text-underline-offset: 3px;
}

.page-news .news-rhythm__note a:hover,
.page-news .news-rhythm__note a:focus-visible {
  color: var(--signal-green);
}

.page-news .news-rhythm__cta {
  display: inline-flex;
  width: 100%;
  justify-content: center;
}

/* ---------- 窄屏收敛 ---------- */
@media (max-width: 560px) {
  .page-news .news-item {
    grid-template-columns: 46px minmax(0, 1fr);
    column-gap: 12px;
  }

  .page-news .news-item__time {
    margin-left: 0;
  }

  .page-news .news-item__sum {
    -webkit-line-clamp: 2;
    line-clamp: 2;
  }

  .page-news .news-feature__body {
    margin-top: -48px;
  }

  .page-news .news-feature__stage img {
    clip-path: polygon(0 0, 100% 0, 100% 92%, 0 100%);
  }

  .page-news .tabs__tab {
    padding: 12px 10px;
    font-size: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .news-item__sum,
  .page-news .tabs__tab,
  .page-news .news-feature__links a,
  .page-news .news-back {
    transition: none;
  }
}