.page-news {
  --news-rail: 128px;
  --news-gap: clamp(14px, 2.2vw, 28px);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-news .news-top {
  padding-top: clamp(14px, 2vw, 22px);
}

.page-news .breadcrumb {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-news .breadcrumb__link {
  color: var(--teal);
  text-decoration: none;
}

.page-news .breadcrumb__link:hover,
.page-news .breadcrumb__link:focus-visible {
  text-decoration: underline;
}

.page-news .breadcrumb__sep {
  color: var(--grey);
}

.page-news .breadcrumb__current {
  color: var(--ink);
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  position: relative;
  margin-top: clamp(14px, 2vw, 22px);
  background: linear-gradient(160deg, var(--indigo) 0%, var(--indigo-mid) 54%, #0c5c60 100%);
  color: var(--paper);
  border-top: var(--line) solid var(--ink);
  border-bottom: var(--line) solid var(--ink);
  overflow: hidden;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(58% 72% at 80% 10%, rgba(42, 212, 180, 0.26), transparent 62%),
    radial-gradient(46% 58% at 10% 90%, rgba(107, 77, 196, 0.34), transparent 66%);
  pointer-events: none;
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 1;
}

.page-news .news-hero__index {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding-top: clamp(20px, 3vw, 34px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: rgba(244, 241, 232, 0.7);
}

.page-news .index-bar__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
  flex: none;
}

.page-news .news-hero__index .index-bar__link {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 182, 76, 0.42);
  padding-bottom: 2px;
  transition: border-color var(--dur), color var(--dur);
}

.page-news .news-hero__index .index-bar__link:hover,
.page-news .news-hero__index .index-bar__link:focus-visible {
  color: var(--teal-bright);
  border-color: var(--teal-bright);
}

.page-news .news-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 3vw, 30px);
  padding: clamp(26px, 5vw, 52px) 0 clamp(30px, 5vw, 58px);
}

.page-news .news-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(36px, 8vw, 82px);
  line-height: 1.0;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.page-news .news-hero__title em {
  display: block;
  font-style: normal;
  color: var(--teal-bright);
}

.page-news .news-hero__lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(244, 241, 232, 0.86);
  max-width: 42ch;
}

.page-news .news-hero__media {
  position: relative;
  z-index: 1;
  margin: 0;
  border-top: var(--line) solid var(--ink);
  background: var(--indigo);
}

.page-news .news-hero__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 14 / 5;
  object-fit: cover;
}

.page-news .news-hero__media .media__caption {
  display: block;
  padding: 10px clamp(16px, 4vw, 40px);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: rgba(244, 241, 232, 0.6);
  border-top: 1px solid rgba(244, 241, 232, 0.16);
}

/* ---------- 筛选与时间轴 ---------- */

.page-news .news-feed {
  padding-block: clamp(24px, 4vw, 42px) clamp(40px, 6vw, 76px);
}

.page-news .news-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  margin-bottom: clamp(24px, 3.6vw, 42px);
  border: var(--line) solid var(--ink);
  border-radius: var(--radius);
  background: #ffffff;
  box-shadow: 6px 6px 0 var(--ink);
}

.page-news .news-filter__label {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
  margin-right: 4px;
}

.page-news .filter-btn {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  padding: 7px 16px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
  transition: background var(--dur), color var(--dur), box-shadow var(--dur), transform var(--dur);
}

.page-news .filter-btn:hover {
  background: var(--grey);
}

.page-news .filter-btn[aria-pressed="true"] {
  background: var(--teal);
  color: #ffffff;
  box-shadow: 3px 3px 0 var(--ink);
}

.page-news .filter-btn:focus-visible {
  outline: 3px solid var(--purple);
  outline-offset: 3px;
}

.page-news .filter-count {
  margin-left: auto;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink);
  padding: 5px 12px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  background: var(--gold);
}

.page-news .timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(18px, 2.6vw, 30px);
}

.page-news .timeline__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  scroll-margin-top: 24px;
}

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

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

.page-news .timeline__when {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--teal);
  font-weight: 800;
}

.page-news .timeline__kind {
  display: inline-block;
  padding: 3px 10px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  background: var(--gold);
  color: var(--ink);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.page-news .timeline__item[data-filter-tags~="活动主题"] .timeline__kind {
  background: var(--purple);
  color: var(--paper);
}

.page-news .timeline__item[data-filter-tags~="版本日志"] .timeline__kind {
  background: var(--teal);
  color: var(--paper);
}

.page-news .timeline__item[data-filter-tags~="厂商动态"] .timeline__kind {
  background: var(--orange);
  color: var(--paper);
}

.page-news .timeline__body {
  border: var(--line) solid var(--ink);
  border-radius: var(--radius);
  background: #ffffff;
  box-shadow: 6px 6px 0 var(--ink);
  padding: clamp(16px, 2.6vw, 28px);
  transition: box-shadow var(--dur), transform var(--dur), border-color var(--dur);
}

.page-news .timeline__body:hover {
  transform: translate(-2px, -2px);
  box-shadow: 9px 9px 0 var(--ink);
}

.page-news .timeline__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 3.4vw, 28px);
  line-height: 1.28;
  letter-spacing: -0.01em;
}

.page-news .timeline__text {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.8;
  color: #232a44;
  max-width: 62ch;
}

.page-news .timeline__text:last-of-type {
  margin-bottom: 0;
}

.page-news .timeline__media {
  margin: 18px 0 0;
  border: 2px solid var(--ink);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--indigo-mid);
}

.page-news .timeline__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

.page-news .timeline__more {
  margin: 16px 0 0;
}

.page-news .timeline__link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--teal);
  text-decoration: none;
  border-bottom: 2px solid var(--teal-bright);
  padding-bottom: 2px;
  transition: color var(--dur), border-color var(--dur);
}

.page-news .timeline__link:hover,
.page-news .timeline__link:focus-visible {
  color: var(--purple);
  border-color: var(--purple);
}

/* ---------- 专题系列 ---------- */

.page-news .news-series {
  background: var(--indigo-mid);
  color: var(--paper);
  border-top: var(--line) solid var(--ink);
  border-bottom: var(--line) solid var(--ink);
  padding-block: clamp(38px, 6vw, 76px);
}

.page-news .news-series__kicker {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-news .news-series__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 5vw, 46px);
  line-height: 1.14;
  letter-spacing: -0.015em;
  max-width: 18ch;
}

.page-news .news-series__lede {
  margin: 0 0 clamp(26px, 4vw, 44px);
  font-size: 16px;
  line-height: 1.8;
  color: rgba(244, 241, 232, 0.8);
  max-width: 52ch;
}

.page-news .series-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.4vw, 24px);
}

.page-news .series-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.6vw, 26px);
  border: var(--line) solid var(--ink);
  border-radius: var(--radius);
  background: var(--indigo);
  box-shadow: 6px 6px 0 var(--ink);
  transition: transform var(--dur), box-shadow var(--dur);
}

.page-news .series-item:hover {
  transform: translate(-2px, -2px);
  box-shadow: 9px 9px 0 var(--ink);
}

.page-news .series-item:nth-child(1) {
  border-top: 8px solid var(--teal-bright);
}

.page-news .series-item:nth-child(2) {
  border-top: 8px solid var(--gold);
}

.page-news .series-item:nth-child(3) {
  border-top: 8px solid var(--purple);
}

.page-news .series-item__no {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-news .series-item__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 21px;
  line-height: 1.3;
  color: var(--paper);
}

.page-news .series-item__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 241, 232, 0.78);
}

.page-news .series-item__link {
  margin-top: auto;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-decoration: none;
  color: var(--ink);
  background: var(--teal-bright);
  border: 2px solid var(--ink);
  border-radius: 999px;
  padding: 7px 14px;
  transition: background var(--dur), transform var(--dur);
}

.page-news .series-item__link:hover,
.page-news .series-item__link:focus-visible {
  background: var(--gold);
  transform: translateY(-2px);
}

/* ---------- 收尾 ---------- */

.page-news .news-follow {
  padding-block: clamp(36px, 6vw, 72px) clamp(44px, 7vw, 84px);
}

.page-news .news-follow__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 34px);
  align-items: start;
  padding: clamp(20px, 3.4vw, 34px);
  border: var(--line) solid var(--ink);
  border-radius: var(--radius);
  background: #ffffff;
  box-shadow: 8px 8px 0 var(--ink);
}

.page-news .news-follow__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 4.4vw, 38px);
  line-height: 1.16;
  letter-spacing: -0.015em;
  max-width: 16ch;
}

.page-news .news-follow__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: #232a44;
  max-width: 56ch;
}

.page-news .news-follow__actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
}

.page-news .news-follow__note {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.9;
  color: var(--teal);
  letter-spacing: 0.02em;
}

.page-news .btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 16px;
  padding: 12px 22px;
  border: var(--line) solid var(--ink);
  border-radius: 999px;
  text-decoration: none;
  transition: transform var(--dur), box-shadow var(--dur), background var(--dur);
}

.page-news .btn--primary {
  background: var(--teal);
  color: #ffffff;
  box-shadow: 4px 4px 0 var(--ink);
}

.page-news .btn--ghost {
  background: var(--paper);
  color: var(--ink);
  box-shadow: 4px 4px 0 var(--ink);
}

.page-news .btn:hover,
.page-news .btn:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--ink);
}

.page-news .btn--primary:hover,
.page-news .btn--primary:focus-visible {
  background: var(--purple);
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-news .series-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .series-item:nth-child(2n) {
    transform: translateY(18px);
  }

  .page-news .series-item:nth-child(2n):hover {
    transform: translate(-2px, 16px);
  }
}

@media (min-width: 860px) {
  .page-news .news-hero__grid {
    grid-template-columns: 1.5fr 1fr;
    align-items: end;
  }

  .page-news .news-follow__grid {
    grid-template-columns: 1.45fr 1fr;
    gap: clamp(28px, 4vw, 56px);
  }
}

@media (min-width: 960px) {
  .page-news .timeline__item {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    gap: clamp(20px, 2.6vw, 36px);
  }

  .page-news .timeline__rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding-top: 8px;
    text-align: left;
  }

  .page-news .timeline::before {
    content: "";
    position: absolute;
    top: 8px;
    bottom: 8px;
    left: calc(var(--news-rail) + 6px);
    width: 3px;
    background: repeating-linear-gradient(180deg, var(--ink) 0 10px, transparent 10px 20px);
    opacity: 0.28;
    pointer-events: none;
  }

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

  .page-news .series-item:nth-child(2n) {
    transform: translateY(26px);
  }

  .page-news .series-item:nth-child(2n):hover {
    transform: translate(-2px, 24px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .timeline__body,
  .page-news .series-item,
  .page-news .btn,
  .page-news .filter-btn {
    transition: none;
  }

  .page-news .timeline__body:hover,
  .page-news .series-item:hover,
  .page-news .btn:hover {
    transform: none;
  }
}