.page-news {
  --news-teal-soft: #E3F5EF;
  --news-slate-soft: #EBEFF6;
  --news-shadow: 0 12px 34px -26px rgba(7, 11, 20, 0.5);
  background: var(--paper);
  color: var(--text-900);
}

.page-news .news-hero {
  position: relative;
  padding: 28px 0 40px;
  background:
    radial-gradient(92% 82% at 100% 0%, var(--brand-100) 0%, rgba(228, 236, 255, 0) 62%),
    var(--paper);
  border-bottom: 1px solid var(--line-soft);
}

.page-news .news-hero .breadcrumb {
  margin-bottom: 22px;
}

.page-news .news-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-news .news-hero h1 {
  margin: 10px 0 0;
  font-size: clamp(30px, 7.4vw, 54px);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: 0.01em;
}

.page-news .news-hero__lede {
  margin: 16px 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--slate-500);
}

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

.page-news .news-hero__panel {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-l);
  padding: 20px;
  background: var(--paper);
  box-shadow: var(--news-shadow);
}

.page-news .news-hero__panel-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--slate-500);
}

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

.page-news .news-hero__stats > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 0;
  border-top: 1px solid var(--line-soft);
}

.page-news .news-hero__stats > div:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-news .news-hero__stats dt {
  font-size: 13px;
  color: var(--slate-500);
}

.page-news .news-hero__stats dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text-900);
  white-space: nowrap;
}

/* 栏目说明 */
.page-news .news-cols {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 30px;
}

.page-news .news-col {
  position: relative;
  padding: 24px 18px 18px;
  background: var(--paper);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  transition: border-color var(--dur-2) var(--ease), transform var(--dur-2) var(--ease);
}

.page-news .news-col::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 18px;
  width: 38px;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: var(--news-col-accent, var(--brand-600));
}

.page-news .news-col--version { --news-col-accent: var(--brand-600); }
.page-news .news-col--guide { --news-col-accent: var(--teal-500); }
.page-news .news-col--safety { --news-col-accent: var(--slate-300); }
.page-news .news-col--topic { --news-col-accent: var(--ink-800); }

.page-news .news-col:hover {
  border-color: var(--line-mid);
  transform: translateY(-2px);
}

.page-news .news-col__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-s);
  background: var(--mist-100);
  color: var(--brand-600);
}

.page-news .news-col__icon svg {
  width: 20px;
  height: 20px;
}

.page-news .news-col--guide .news-col__icon {
  background: var(--news-teal-soft);
  color: var(--teal-700);
}

.page-news .news-col--safety .news-col__icon {
  background: var(--news-slate-soft);
  color: var(--amber-600);
}

.page-news .news-col--topic .news-col__icon {
  background: var(--ink-800);
  color: var(--on-dark);
}

.page-news .news-col__title {
  margin: 14px 0 8px;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0.01em;
}

.page-news .news-col__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate-500);
}

.page-news .news-col__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--slate-500);
}

/* 筛选与列表 */
.page-news .news-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin: 28px 0 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .news-toolbar__hint {
  margin: 0;
  font-size: 13px;
  color: var(--slate-500);
}

.page-news .news-groups {
  display: block;
}

.page-news .news-group {
  border-top: 1px solid var(--line-soft);
}

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

.page-news .news-group__heading {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-news .news-group__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 18px 0;
  background: none;
  border: 0;
  text-align: left;
  color: inherit;
  font: inherit;
  cursor: pointer;
  transition: color var(--dur-1) var(--ease);
}

.page-news .news-group__trigger:hover {
  color: var(--brand-600);
}

.page-news .news-group__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  min-width: 0;
}

.page-news .news-group__time {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text-900);
}

.page-news .news-group__label {
  font-size: 12px;
  color: var(--slate-500);
}

.page-news .news-group__panel[data-open="true"] {
  height: auto;
  max-height: none;
  overflow: visible;
}

.page-news .news-group__body {
  display: block;
  padding-bottom: 8px;
}

.page-news .news-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  padding: 18px 0 20px;
  border-top: 1px solid var(--line-soft);
}

.page-news .news-group__body > .news-item:first-child {
  border-top: 0;
}

.page-news .news-item__media {
  display: block;
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-m);
}

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

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-news .news-tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.6;
  white-space: nowrap;
}

.page-news .news-tag--version {
  background: var(--brand-100);
  color: var(--brand-600);
}

.page-news .news-tag--guide {
  background: var(--news-teal-soft);
  color: var(--teal-700);
}

.page-news .news-tag--safety {
  background: var(--news-slate-soft);
  color: var(--text-900);
}

.page-news .news-tag--topic {
  background: var(--ink-800);
  color: var(--on-dark);
}

.page-news .news-item__time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--slate-500);
}

.page-news .news-item__title {
  margin: 10px 0 0;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: 0.01em;
}

.page-news .news-item__title a {
  color: inherit;
  text-decoration: none;
  transition: color var(--dur-1) var(--ease);
}

.page-news .news-item__title a:hover {
  color: var(--brand-600);
}

.page-news .news-item__desc {
  margin: 8px 0 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate-500);
}

.page-news .news-item__anchor {
  display: inline-block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--slate-300);
  text-decoration: none;
  border-bottom: 1px dotted var(--slate-300);
  transition: color var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease);
}

.page-news .news-item__anchor:hover {
  color: var(--brand-600);
  border-color: var(--brand-600);
}

.page-news .news-item__thumb {
  overflow: hidden;
  border-radius: var(--radius-s);
  border: 1px solid var(--line-soft);
}

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

.page-news .news-note {
  margin-top: 26px;
}

/* 场景推荐 */
.page-news .news-paths {
  background: var(--ink-900);
  color: var(--on-dark);
}

.page-news .news-paths .section-title {
  color: var(--on-dark-strong);
}

.page-news .news-paths .section-lede {
  color: var(--on-dark-muted);
}

.page-news .news-paths .eyebrow {
  color: var(--brand-400);
}

.page-news .news-paths__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 34px;
}

.page-news .news-path {
  padding: 22px 20px;
  background: var(--glass);
  border: 1px solid var(--on-dark-line);
  border-radius: var(--radius-l);
  backdrop-filter: blur(12px);
  transition: border-color var(--dur-2) var(--ease), transform var(--dur-2) var(--ease);
}

.page-news .news-path:hover {
  border-color: var(--on-dark-line-strong);
  transform: translateY(-2px);
}

.page-news .news-path__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--brand-400);
}

.page-news .news-path__title {
  margin: 12px 0 0;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--on-dark-strong);
}

.page-news .news-path__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--on-dark-muted);
}

.page-news .news-path__list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-path__list li a {
  display: block;
  padding: 11px 0;
  border-top: 1px solid var(--on-dark-line);
  font-size: 14px;
  line-height: 1.6;
  color: var(--on-dark);
  text-decoration: none;
  transition: color var(--dur-1) var(--ease);
}

.page-news .news-path__list li a::before {
  content: "→";
  margin-right: 8px;
  color: var(--brand-400);
}

.page-news .news-path__list li a:hover {
  color: var(--brand-400);
}

/* 更新节奏 */
.page-news .news-cadence {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  margin-top: 30px;
}

.page-news .news-cadence__main {
  padding: 24px 20px;
  background: var(--paper);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-l);
}

.page-news .news-cadence__main h3 {
  margin: 0 0 12px;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.page-news .news-cadence__main p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate-500);
}

.page-news .news-cadence__main .checklist {
  margin: 18px 0 0;
}

.page-news .news-cadence__aside {
  padding: 22px 20px;
  background: var(--paper);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-l);
}

.page-news .news-cadence__aside-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--brand-600);
}

.page-news .news-cadence__aside p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate-500);
}

.page-news .news-cadence__aside-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--text-900);
}

.page-news .callout {
  margin-top: 24px;
}

@media (min-width: 640px) {
  .page-news .news-cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 760px) {
  .page-news .news-item--thumb {
    grid-template-columns: minmax(0, 1fr) 168px;
    align-items: start;
    gap: 22px;
  }

  .page-news .news-item--thumb .news-item__text {
    grid-column: 1;
    grid-row: 1;
  }

  .page-news .news-item--thumb .news-item__thumb {
    grid-column: 2;
    grid-row: 1;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero {
    padding: 36px 0 56px;
  }

  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: end;
  }

  .page-news .news-cadence {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 28px;
    align-items: start;
  }

  .page-news .news-item--featured {
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
    align-items: start;
    gap: 26px;
  }

  .page-news .news-item--featured .news-item__media {
    grid-column: 1;
    grid-row: 1;
  }

  .page-news .news-item--featured .news-item__text {
    grid-column: 2;
    grid-row: 1;
  }
}

@media (min-width: 1040px) {
  .page-news .news-cols {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-paths__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-col,
  .page-news .news-path,
  .page-news .news-item__title a,
  .page-news .news-item__anchor {
    transition: none;
  }

  .page-news .news-col:hover,
  .page-news .news-path:hover {
    transform: none;
  }
}