.page-news {
  --news-rail: 96px;
  --news-card-pad: clamp(16px, 2.4vw, 24px);
  background:
    radial-gradient(120% 70% at 88% -12%, rgba(242, 181, 68, 0.1), transparent 62%),
    radial-gradient(90% 60% at 0% 20%, rgba(88, 214, 162, 0.05), transparent 60%),
    var(--ink);
  color: var(--ice);
  font-family: var(--font-sans);
  padding-bottom: clamp(56px, 9vw, 110px);
  overflow-x: clip;
}

.page-news h1,
.page-news h2,
.page-news h3 {
  margin: 0;
  letter-spacing: -0.035em;
  line-height: 1.14;
}

.page-news p {
  margin: 0;
  line-height: 1.75;
}

.page-news .yk-wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- 首屏 ---------- */
.news-hero {
  position: relative;
  padding-block: clamp(20px, 4vw, 36px) clamp(32px, 6vw, 60px);
  border-bottom: 2px solid var(--line);
}

.news-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(42, 70, 104, 0.35) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(0deg, rgba(42, 70, 104, 0.22) 0 1px, transparent 1px 88px);
  mask-image: linear-gradient(160deg, rgba(0, 0, 0, 0.9), transparent 70%);
  pointer-events: none;
}

.news-hero .yk-wrap {
  position: relative;
  z-index: 1;
}

.news-hero__crumbs {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.news-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.news-hero__main {
  min-width: 0;
}

.news-hero h1 {
  margin-top: 12px;
  font-size: clamp(2rem, 6.4vw, 4.4rem);
  font-weight: 900;
  max-width: 20ch;
}

.news-hero__lead {
  margin-top: clamp(16px, 2.4vw, 24px);
  max-width: 46ch;
  color: var(--mist);
  font-size: clamp(0.95rem, 1.6vw, 1.0625rem);
}

.news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.news-hero__board {
  align-self: start;
  padding: clamp(18px, 2.6vw, 26px);
  background: linear-gradient(165deg, var(--card), var(--ink-2));
  border: 2px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  transform: rotate(-0.6deg);
}

.news-hero__board-label {
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--amber);
}

.news-hero__status {
  margin-top: 14px;
  font-size: 0.9375rem;
  color: var(--ice);
}

.news-hero__facts {
  display: grid;
  gap: 0;
  margin: 18px 0 0;
}

.news-hero__fact {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-block: 10px;
  border-top: 1px solid var(--line);
}

.news-hero__fact dt {
  color: var(--mist);
  font-size: 0.8125rem;
}

.news-hero__fact dd {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--amber);
}

/* ---------- 信息带 ---------- */
.news-feed {
  padding-block: clamp(38px, 6vw, 76px);
  background: linear-gradient(180deg, var(--ink-2), var(--ink) 62%);
  border-bottom: 2px solid var(--line);
}

.news-feed__head {
  display: grid;
  gap: clamp(18px, 3vw, 26px);
  margin-bottom: clamp(26px, 4vw, 42px);
}

.news-feed h2,
.news-ios h2,
.news-timeline h2,
.news-cadence h2,
.news-maintenance h2 {
  margin-top: 10px;
  font-size: clamp(1.5rem, 3.6vw, 2.5rem);
  font-weight: 800;
  max-width: 24ch;
}

.news-feed__intro,
.news-timeline__intro {
  margin-top: 14px;
  max-width: 58ch;
  color: var(--mist);
  font-size: 0.9375rem;
}

.news-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .yk-chip {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 16px;
  border-radius: 999px;
  border: 2px solid var(--line);
  background: var(--ink-2);
  color: var(--ice);
  font-size: 0.875rem;
  text-decoration: none;
  transition: border-color 160ms var(--ease), color 160ms var(--ease), transform 160ms var(--ease);
}

.page-news .yk-chip:hover,
.page-news .yk-chip:focus-visible {
  border-color: var(--jade);
  color: var(--jade);
  transform: translateX(2px);
}

.news-track {
  position: relative;
  margin: 0;
  padding: 0 0 0 28px;
  list-style: none;
  display: grid;
  gap: 14px;
}

.news-track::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--amber), var(--line) 34%, var(--line) 74%, transparent);
}

.news-track__row {
  position: relative;
  display: grid;
  gap: 8px;
  min-width: 0;
}

.news-track__row::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 20px;
  width: 12px;
  height: 12px;
  box-sizing: border-box;
  border-radius: 50%;
  background: var(--ink-2);
  border: 2px solid var(--amber);
}

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

.news-track__time {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--amber);
  letter-spacing: 0.04em;
}

.news-track__kind {
  font-size: 0.75rem;
  color: var(--mist);
  border-bottom: 1px solid var(--line);
  padding-bottom: 1px;
}

.news-track__card {
  min-width: 0;
  padding: var(--news-card-pad);
  background: var(--card);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  transition: transform 160ms var(--ease), border-color 160ms var(--ease), box-shadow 160ms var(--ease);
}

.news-track__card:hover {
  transform: translate(2px, -2px);
  border-color: var(--coral);
  box-shadow: var(--shadow-hard);
}

.news-track__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.news-track__card h3 {
  font-size: clamp(1.0625rem, 2.2vw, 1.25rem);
  font-weight: 700;
}

.news-track__card p {
  margin-top: 10px;
  color: var(--mist);
  font-size: 0.9375rem;
}

.news-more {
  margin-top: 14px;
  border-top: 1px dashed var(--line);
  padding-top: 12px;
}

.news-more summary {
  cursor: pointer;
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--jade);
  letter-spacing: 0.02em;
}

.news-more summary::marker {
  color: var(--jade);
}

.news-more summary:hover {
  color: var(--coral);
}

.news-more p {
  margin-top: 10px;
  color: var(--mist);
  font-size: 0.875rem;
}

/* ---------- 苹果版提示解读 ---------- */
.news-ios {
  padding-block: clamp(38px, 6vw, 76px);
  border-bottom: 2px solid var(--line);
}

.news-ios__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.news-ios__lead {
  margin-top: 14px;
  max-width: 52ch;
  color: var(--mist);
  font-size: 0.9375rem;
}

.news-ios__list {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.news-ios__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 16px;
  background: var(--ink-2);
  border-left: 4px solid var(--amber);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.news-ios__num {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--amber);
  letter-spacing: 0.08em;
}

.news-ios__item h3 {
  font-size: 1rem;
  font-weight: 700;
}

.news-ios__item p {
  margin-top: 6px;
  color: var(--mist);
  font-size: 0.875rem;
}

.news-ios__tip {
  margin-top: 18px;
  padding: 14px 16px;
  background: rgba(88, 214, 162, 0.08);
  border: 1px dashed rgba(88, 214, 162, 0.5);
  border-radius: var(--radius-sm);
  color: var(--ice);
  font-size: 0.875rem;
}

/* ---------- 图片容器 ---------- */
.news-fig {
  margin: 0;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-2);
  overflow: hidden;
  box-shadow: var(--shadow-hard);
}

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

.news-fig__cap {
  padding: 10px 14px;
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--mist);
  border-top: 1px solid var(--line);
  background: var(--ink);
}

.news-fig--device {
  max-width: 420px;
  width: 100%;
  justify-self: start;
  transform: translateY(4px);
}

/* ---------- 版本时间轴 ---------- */
.news-timeline {
  padding-block: clamp(38px, 6vw, 76px);
  background: var(--ink-2);
  border-bottom: 2px solid var(--line);
}

.news-timeline__head {
  margin-bottom: clamp(22px, 3.4vw, 34px);
}

.news-fig--wide {
  margin-bottom: clamp(24px, 4vw, 40px);
}

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

.news-nodes__item {
  position: relative;
  padding: clamp(16px, 2.4vw, 22px);
  background: var(--ink);
  border: 2px solid var(--line);
  border-radius: var(--radius);
}

.news-nodes__item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--amber), rgba(242, 181, 68, 0));
  border-radius: var(--radius) var(--radius) 0 0;
}

.news-nodes__item--next::before {
  background: linear-gradient(90deg, var(--coral), rgba(255, 107, 74, 0));
}

.news-nodes__ver {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--amber);
  letter-spacing: -0.02em;
}

.news-nodes__item--next .news-nodes__ver {
  color: var(--coral);
}

.news-nodes__item h3 {
  margin-top: 8px;
  font-size: 1.0625rem;
  font-weight: 700;
}

.news-nodes__item p {
  margin-top: 8px;
  color: var(--mist);
  font-size: 0.875rem;
}

.news-nodes__tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--mist);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 12px;
}

.news-nodes__tag--now {
  color: var(--jade);
  border-color: rgba(88, 214, 162, 0.6);
}

.news-nodes__tag--now::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--jade);
}

.news-nodes__tag--next {
  color: var(--coral);
  border-color: rgba(255, 107, 74, 0.6);
}

/* ---------- 更新节奏与分类 ---------- */
.news-cadence {
  padding-block: clamp(38px, 6vw, 76px);
  border-bottom: 2px solid var(--line);
}

.news-cadence__head {
  margin-bottom: clamp(22px, 3.4vw, 34px);
}

.news-cadence__grid {
  display: grid;
  gap: 14px;
}

.page-news .yk-card.news-rhythm {
  padding: clamp(18px, 2.6vw, 24px);
  background: linear-gradient(160deg, var(--card), var(--ink-2));
  border: 2px solid var(--line);
  border-radius: var(--radius);
  transition: transform 160ms var(--ease), border-color 160ms var(--ease);
}

.page-news .yk-card.news-rhythm:hover {
  transform: translateY(-2px);
  border-color: var(--amber);
}

.news-rhythm__num {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  color: var(--amber);
  letter-spacing: -0.02em;
}

.news-rhythm h3 {
  margin-top: 10px;
  font-size: 1.0625rem;
  font-weight: 700;
}

.news-rhythm p {
  margin-top: 8px;
  color: var(--mist);
  font-size: 0.875rem;
}

.news-cadence__lower {
  display: grid;
  gap: clamp(22px, 3.6vw, 34px);
  margin-top: clamp(26px, 4vw, 44px);
}

.news-kinds {
  min-width: 0;
  padding: clamp(18px, 2.6vw, 24px);
  background: var(--ink-2);
  border: 2px dashed var(--line);
  border-radius: var(--radius);
}

.news-kinds__title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--ice);
}

.news-kinds__list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.news-kinds__list li {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.news-kinds__list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-news .yk-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 26px;
  padding: 2px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  border: 1px solid var(--line);
  background: var(--ink);
  color: var(--mist);
  white-space: nowrap;
}

.page-news .yk-tag--amber {
  color: var(--amber);
  border-color: rgba(242, 181, 68, 0.55);
  background: rgba(242, 181, 68, 0.1);
}

.page-news .yk-tag--jade {
  color: var(--jade);
  border-color: rgba(88, 214, 162, 0.55);
  background: rgba(88, 214, 162, 0.1);
}

.news-kinds__list p {
  color: var(--mist);
  font-size: 0.875rem;
  line-height: 1.65;
}

/* ---------- 维护摘要与联系 ---------- */
.news-maintenance {
  padding-block: clamp(38px, 6vw, 80px) 0;
}

.news-maintenance__grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-news .yk-panel.news-maintenance__panel {
  padding: clamp(20px, 3vw, 32px);
  background: linear-gradient(170deg, var(--ink-2), var(--ink));
  border: 2px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
}

.news-maintenance__lead {
  margin-top: 14px;
  max-width: 50ch;
  color: var(--mist);
  font-size: 0.9375rem;
}

.news-links {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.news-links__link {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  background: var(--card);
  border: 2px solid var(--line);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--ice);
  transition: border-color 160ms var(--ease), transform 160ms var(--ease), background 160ms var(--ease);
}

.news-links__link:hover,
.news-links__link:focus-visible {
  border-color: var(--amber);
  transform: translateX(3px);
  background: var(--ink-2);
}

.news-links__label {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--amber);
}

.news-links__label::after {
  content: " →";
  color: var(--coral);
}

.news-links__desc {
  font-size: 0.8125rem;
  color: var(--mist);
  line-height: 1.6;
}

.news-maintenance__note {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 0.8125rem;
  color: var(--mist);
  word-break: break-word;
}

.news-fig--texture {
  align-self: start;
}

/* ---------- 中屏 ---------- */
@media (min-width: 640px) {
  .news-cadence__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .news-hero {
    padding-block: clamp(28px, 3vw, 44px) clamp(40px, 5vw, 68px);
  }

  .news-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(280px, 0.75fr);
    align-items: start;
    gap: clamp(28px, 4vw, 56px);
  }

  .news-feed__head {
    grid-template-columns: minmax(0, 1fr) minmax(260px, 0.7fr);
    align-items: end;
  }

  .news-chips {
    justify-content: flex-end;
  }

  .news-ios__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(240px, 0.6fr);
    align-items: start;
  }

  .news-fig--device {
    justify-self: end;
  }

  .news-nodes {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }

  .news-cadence__lower {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .news-maintenance__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.65fr);
    align-items: stretch;
  }

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

  /* 横向时间轨：左侧时间栏，右侧信息带 */
  .news-track {
    padding-left: 0;
  }

  .news-track::before {
    left: 95px;
    top: 14px;
    bottom: 14px;
  }

  .news-track__row {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    gap: 0;
    align-items: start;
  }

  .news-track__row::before {
    display: none;
  }

  .news-track__when {
    flex-direction: column;
    align-items: flex-end;
    gap: 6px;
    padding-right: 22px;
    padding-top: 20px;
    text-align: right;
  }

  .news-track__kind {
    border-bottom: 0;
    color: var(--mist);
    opacity: 0.85;
  }

  .news-track__card {
    position: relative;
    margin-left: 22px;
  }

  .news-track__card::before {
    content: "";
    position: absolute;
    left: -30px;
    top: 22px;
    width: 14px;
    height: 14px;
    box-sizing: border-box;
    border-radius: 50%;
    background: var(--ink);
    border: 2px solid var(--amber);
    transition: border-color 160ms var(--ease), background 160ms var(--ease);
  }

  .news-track__card:hover::before {
    border-color: var(--coral);
    background: var(--coral);
  }
}

@media (min-width: 1100px) {
  .news-hero h1 {
    max-width: 16ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news * {
    transition-duration: 0.01ms !important;
  }

  .news-hero__board,
  .news-fig--device {
    transform: none;
  }

  .news-track__card:hover,
  .news-links__link:hover,
  .page-news .yk-card.news-rhythm:hover {
    transform: none;
  }
}