.page-news {
  --news-axis: 58%;
  --news-rule: rgba(20, 38, 58, .14);
}

.page-news .news-hero {
  display: grid;
  gap: 26px;
  padding: 26px 0 30px;
}

.page-news .news-hero__title {
  margin: 12px 0 0;
  font-size: clamp(34px, 6vw, 68px);
  line-height: 1.04;
  letter-spacing: -.03em;
  font-weight: 700;
  color: var(--ink-900);
  max-width: 16ch;
}

.page-news .news-hero__text {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-800);
  max-width: 46ch;
}

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

.page-news .news-hero__now {
  padding: 20px 22px;
  align-self: end;
}

.page-news .now__list {
  margin: 14px 0 0;
}

.page-news .now__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--line-dark);
}

.page-news .now__row:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-news .now__row dt {
  font-size: 13px;
  color: var(--stone-200);
}

.page-news .now__row dd {
  margin: 0;
  font-size: 15px;
  color: var(--paper);
}

.page-news .now__row .mono {
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--amber-300);
  letter-spacing: .02em;
}

.page-news .news-banner {
  margin: 0 0 8px;
}

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

.page-news .media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  object-fit: cover;
  background: var(--ink-800);
}

.page-news .media__caption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--stone-400);
}

.page-news .news-batches {
  padding: 46px 0 30px;
}

.page-news .news-batches__grid {
  display: grid;
  gap: 30px;
}

.page-news .news-batches__aside {
  order: 2;
}

.page-news .news-batches__aside .media {
  margin: 0;
}

.page-news .news-batches__aside .media__img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius);
}

.page-news .news-batches .section__head h2,
.page-news .news-export .section__head h2,
.page-news .news-series .section__head h2,
.page-news .news-follow .news-follow__lead h2 {
  margin: 10px 0 0;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.2;
  letter-spacing: -.02em;
  color: var(--ink-900);
}

.page-news .news-batches .lede,
.page-news .news-series .lede {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink-800);
  max-width: 52ch;
}

/* 设备筛选 */
.page-news .news-filter {
  position: relative;
  margin-top: 26px;
}

.page-news .news-filter__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

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

.page-news .news-filter__pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  border: 1px solid var(--news-rule);
  border-radius: 999px;
  background: var(--white);
  font-size: 13px;
  color: var(--ink-800);
  cursor: pointer;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease);
}

.page-news .news-filter__pill b {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--stone-400);
}

.page-news .news-filter__pill:hover {
  border-color: var(--amber-500);
}

.page-news .news-filter__radio:focus-visible ~ .news-filter__bar .news-filter__pill {
  outline: 2px dashed var(--stone-400);
  outline-offset: 2px;
}

.page-news #dev-all:checked ~ .news-filter__bar [for="dev-all"],
.page-news #dev-android:checked ~ .news-filter__bar [for="dev-android"],
.page-news #dev-ios:checked ~ .news-filter__bar [for="dev-ios"],
.page-news #dev-desktop:checked ~ .news-filter__bar [for="dev-desktop"],
.page-news #dev-harmony:checked ~ .news-filter__bar [for="dev-harmony"] {
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: var(--paper);
}

.page-news #dev-all:checked ~ .news-filter__bar [for="dev-all"] b,
.page-news #dev-android:checked ~ .news-filter__bar [for="dev-android"] b,
.page-news #dev-ios:checked ~ .news-filter__bar [for="dev-ios"] b,
.page-news #dev-desktop:checked ~ .news-filter__bar [for="dev-desktop"] b,
.page-news #dev-harmony:checked ~ .news-filter__bar [for="dev-harmony"] b {
  color: var(--amber-300);
}

.page-news .news-filter__hint {
  margin: 14px 0 0;
  font-size: 12.5px;
  letter-spacing: .02em;
  color: var(--stone-400);
  min-height: 18px;
}

.page-news .news-filter__hint span {
  display: none;
}

.page-news #dev-all:checked ~ .news-filter__hint [data-hint="all"],
.page-news #dev-android:checked ~ .news-filter__hint [data-hint="android"],
.page-news #dev-ios:checked ~ .news-filter__hint [data-hint="ios"],
.page-news #dev-desktop:checked ~ .news-filter__hint [data-hint="desktop"],
.page-news #dev-harmony:checked ~ .news-filter__hint [data-hint="harmony"] {
  display: inline;
}

/* 筛选生效 */
.page-news #dev-android:checked ~ .tl .tl__item:not([data-dev="android"]),
.page-news #dev-ios:checked ~ .tl .tl__item:not([data-dev="ios"]),
.page-news #dev-desktop:checked ~ .tl .tl__item:not([data-dev="desktop"]),
.page-news #dev-harmony:checked ~ .tl .tl__item:not([data-dev="harmony"]) {
  display: none;
}

/* 错位时间轴 */
.page-news .tl {
  position: relative;
  margin-top: 22px;
  padding-top: 6px;
}

.page-news .tl::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 13px;
  width: 1px;
  background: var(--news-rule);
}

.page-news .tl__item {
  position: relative;
  padding-left: 36px;
  margin-bottom: 18px;
  animation: newsFade 320ms var(--ease) both;
}

.page-news .tl__item::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 26px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--celadon-700);
  box-sizing: border-box;
}

.page-news .tl__item:nth-child(even)::before {
  border-color: var(--clay-500);
}

.page-news .tl__card {
  background: var(--white);
  border: 1px solid var(--news-rule);
  border-radius: var(--radius);
  padding: 18px 18px 16px;
  transition: transform var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease),
    box-shadow var(--t-fast) var(--ease);
}

.page-news .tl__card:hover,
.page-news .tl__card:focus-within {
  transform: translateY(-2px);
  border-color: var(--amber-500);
  box-shadow: 0 10px 26px -18px rgba(14, 27, 42, .6);
}

.page-news .tl__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .tl__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--ink-700);
  background: rgba(20, 38, 58, .07);
  border-radius: 6px;
  padding: 3px 8px;
}

.page-news .tl__when {
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--stone-400);
}

.page-news .tl__title {
  margin: 12px 0 0;
  font-size: 17px;
  line-height: 1.5;
  letter-spacing: -.01em;
  color: var(--ink-900);
}

.page-news .tl__desc {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--ink-800);
}

.page-news .tl__scope {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .03em;
  color: var(--celadon-700);
}

.page-news .tl__extra {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--clay-500);
  transition: max-height 220ms var(--ease), opacity 220ms var(--ease), margin 220ms var(--ease);
}

.page-news .tl__card:hover .tl__extra,
.page-news .tl__card:focus-within .tl__extra {
  max-height: 140px;
  opacity: 1;
  margin: 10px 0 0;
}

@keyframes newsFade {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* 安卓端导出专栏 */
.page-news .news-export {
  background: var(--ink-900);
  color: var(--paper);
  padding: 48px 0;
  margin-top: 24px;
}

.page-news .news-export .section__head h2 {
  color: var(--paper);
}

.page-news .news-export .lede {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--stone-200);
  max-width: 54ch;
}

.page-news .export__grid {
  display: grid;
  gap: 28px;
  margin-top: 28px;
}

.page-news .export__figure .media__img {
  background: var(--ink-800);
  border: 1px solid var(--line-dark);
}

.page-news .export__figure .media__caption {
  color: var(--stone-400);
}

.page-news .export__item {
  border-top: 1px solid var(--line-dark);
  padding-top: 18px;
  margin-top: 18px;
}

.page-news .export__item:first-child {
  border-top: 0;
  padding-top: 0;
  margin-top: 0;
}

.page-news .export__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--celadon-500);
  margin: 0;
}

.page-news .export__item h3 {
  margin: 8px 0 0;
  font-size: 18px;
  line-height: 1.4;
  color: var(--paper);
  letter-spacing: -.01em;
}

.page-news .export__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}

.page-news .export__list li {
  position: relative;
  padding-left: 18px;
  margin-top: 10px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--stone-200);
}

.page-news .export__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 1px;
  background: var(--celadon-500);
}

.page-news .export__list b {
  color: var(--paper);
  font-weight: 600;
}

.page-news .export__foot {
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line-dark);
  font-size: 14px;
  line-height: 1.85;
  color: var(--stone-200);
}

.page-news .export__foot a {
  color: var(--amber-300);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 专题系列 */
.page-news .news-series {
  padding: 48px 0 30px;
}

.page-news .series__grid {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.page-news .series__card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--news-rule);
  border-radius: var(--radius);
  padding: 22px 20px 18px;
  overflow: hidden;
  transition: transform var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-news .series__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  border-style: solid;
  border-width: 20px 20px 0 0;
  border-color: var(--paper) var(--paper) transparent transparent;
}

.page-news .series__card:hover {
  transform: translateY(-2px);
  border-color: var(--amber-500);
}

.page-news .series__media {
  margin: 0 0 14px;
}

.page-news .series__media .media__img {
  height: 160px;
  object-fit: cover;
}

.page-news .series__card h3 {
  margin: 0;
  font-size: 19px;
  line-height: 1.4;
  letter-spacing: -.01em;
  color: var(--ink-900);
}

.page-news .series__card p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-800);
}

.page-news .series__more {
  margin-top: 14px;
  border-top: 1px dashed var(--news-rule);
  padding-top: 12px;
}

.page-news .series__more summary {
  cursor: pointer;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--celadon-700);
  list-style: none;
}

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

.page-news .series__more summary::after {
  content: " +";
  font-family: var(--font-mono);
}

.page-news .series__more[open] summary::after {
  content: " −";
}

.page-news .series__more ul {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
}

.page-news .series__more li {
  position: relative;
  padding-left: 16px;
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-700);
}

.page-news .series__more li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--clay-500);
}

/* 跟进与反馈 */
.page-news .news-follow {
  padding: 20px 0 60px;
}

.page-news .news-follow__grid {
  display: grid;
  gap: 26px;
  align-items: start;
}

.page-news .news-follow__lead p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-800);
  max-width: 48ch;
}

.page-news .news-follow__lead .btn {
  margin-top: 20px;
}

.page-news .follow__card {
  padding: 22px 20px;
  background: var(--ink-800);
  border: 1px solid var(--ink-700);
}

.page-news .follow__mail {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .02em;
  color: var(--amber-300);
  word-break: break-all;
}

.page-news .follow__card .copy {
  margin-top: 12px;
}

.page-news .follow__line {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--stone-200);
}

.page-news .follow__line .mono {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--paper);
  letter-spacing: .03em;
}

@media (min-width: 720px) {
  .page-news .news-hero {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, .85fr);
    align-items: end;
    gap: 34px;
    padding: 38px 0 34px;
  }

  .page-news .news-hero__now {
    margin-bottom: 6px;
  }

  .page-news .news-hero__text {
    font-size: 16.5px;
  }

  .page-news .series__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-news .news-follow__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .85fr);
    gap: 36px;
  }

  .page-news .news-batches__aside .media__img {
    height: 280px;
  }

  .page-news .export__figure .media__img {
    height: 300px;
  }
}

@media (min-width: 1000px) {
  .page-news .news-batches__grid {
    grid-template-columns: minmax(0, 1fr) 264px;
    gap: 44px;
    align-items: start;
  }

  .page-news .news-batches__aside {
    order: 0;
    position: sticky;
    top: 24px;
  }

  .page-news .news-batches__aside .media__img {
    height: 420px;
  }

  .page-news .tl::before {
    left: var(--news-axis);
  }

  .page-news .tl__item {
    display: grid;
    grid-template-columns: var(--news-axis) minmax(0, 1fr);
    padding-left: 0;
    margin-bottom: 10px;
  }

  .page-news .tl__item::before {
    left: var(--news-axis);
    top: 32px;
    transform: translateX(-50%);
  }

  .page-news .tl__card {
    grid-column: 1;
    margin-right: 42px;
  }

  .page-news .tl__item:nth-child(even) .tl__card {
    grid-column: 2;
    margin-right: 0;
    margin-left: 42px;
  }

  .page-news .tl__card {
    padding: 20px 24px 18px;
  }

  .page-news .export__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: 46px;
    align-items: start;
  }

  .page-news .export__figure {
    position: sticky;
    top: 24px;
  }

  .page-news .export__figure .media__img {
    height: auto;
  }

  .page-news .news-series {
    padding: 58px 0 40px;
  }

  .page-news .series__card {
    padding: 26px 24px 22px;
  }

  .page-news .series__media .media__img {
    height: 190px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .tl__item {
    animation: none;
  }

  .page-news .tl__card,
  .page-news .series__card,
  .page-news .tl__extra {
    transition-duration: 1ms;
  }

  .page-news .tl__card:hover,
  .page-news .series__card:hover {
    transform: none;
  }
}