.page-news {
  --news-num: 96px;
  background: var(--ink);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding-top: 24px;
  padding-bottom: 40px;
  overflow: hidden;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: -70px;
  right: -110px;
  width: 260px;
  height: 260px;
  background: linear-gradient(135deg, rgba(255, 138, 61, 0.32), rgba(255, 138, 61, 0) 72%);
  transform: rotate(16deg);
  pointer-events: none;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: -90px;
  bottom: -130px;
  width: 240px;
  height: 240px;
  background: linear-gradient(315deg, rgba(62, 142, 126, 0.24), rgba(62, 142, 126, 0) 72%);
  transform: rotate(-12deg);
  pointer-events: none;
}

.page-news .news-hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  margin-top: 18px;
}

.page-news .news-hero__title {
  margin: 10px 0 16px;
  font-size: clamp(46px, 13vw, 104px);
  font-weight: 200;
  line-height: 0.94;
  letter-spacing: -0.035em;
  color: var(--paper);
}

.page-news .news-hero__lede {
  max-width: 34ch;
  color: var(--mist);
  font-size: 16px;
  line-height: 1.75;
  margin: 0;
}

.page-news .news-hero__panel {
  border: 1px solid var(--line-strong);
  border-left: 2px solid var(--amber);
  background: var(--abyss);
  padding: 16px 18px;
}

.page-news .news-hero__panel-title {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-news .news-hero__version {
  margin: 0 0 14px;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--amber);
}

.page-news .news-hero__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-news .news-hero__facts li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.page-news .news-hero__facts .mono {
  color: var(--mist);
  font-size: 11px;
  letter-spacing: 0.06em;
}

.page-news .news-hero__facts b {
  font-weight: 700;
  color: var(--paper);
}

/* ---------- 通用区块 ---------- */
.page-news .news-section {
  padding: 40px 0;
  border-top: 1px solid var(--line);
}

.page-news .news-intro {
  max-width: 42ch;
  margin: 0 0 20px;
  color: var(--mist);
  font-size: 16px;
  line-height: 1.7;
}

.page-news .news-note {
  max-width: 52ch;
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--steel);
  color: var(--mist);
  font-size: 15px;
  line-height: 1.75;
}

.page-news .news-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 0;
}

/* ---------- 筛选带 ---------- */
.page-news .filter-band {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line);
  margin-bottom: 4px;
}

.page-news .filter-btn {
  appearance: none;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: transparent;
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: 8px 14px;
  cursor: pointer;
  transition: background 160ms var(--ease), color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-news .filter-btn:hover {
  border-color: var(--amber-soft);
  color: var(--amber-soft);
}

.page-news .filter-btn[aria-pressed="true"] {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--abyss);
  font-weight: 700;
}

/* ---------- 日志列表 ---------- */
.page-news .log-list {
  display: grid;
  border-top: 1px solid var(--line-strong);
}

.page-news .log-item {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(44, 62, 92, 0.30), rgba(44, 62, 92, 0) 55%);
  transition: background 180ms var(--ease);
}

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

.page-news .log-item:hover {
  background: linear-gradient(90deg, rgba(44, 62, 92, 0.62), rgba(44, 62, 92, 0) 65%);
}

.page-news .log-item[open] {
  background: var(--abyss);
}

.page-news .log-item__summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 16px 12px 16px 0;
  list-style: none;
  cursor: pointer;
}

.page-news .log-item__summary::-webkit-details-marker {
  display: none;
}

.page-news .log-item__summary::marker {
  content: "";
}

.page-news .log-item__no {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-news .log-item__head {
  display: grid;
  gap: 8px;
}

.page-news .log-item__title {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
}

.page-news .log-item[open] .log-item__title {
  color: var(--amber-soft);
}

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

.page-news .log-item__phase {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-news .log-item__detail {
  padding: 0 12px 20px 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.75;
}

.page-news .log-item__detail p {
  margin: 0;
  max-width: 46ch;
  padding-left: 12px;
  border-left: 2px solid var(--steel);
}

/* ---------- 版本重点 ---------- */
.page-news .news-figure {
  margin: 22px 0 0;
  border: 1px solid var(--line);
  background: var(--abyss);
  padding: 10px;
}

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

.page-news .news-figure .media-frame__caption {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-news .step-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  list-style: none;
  counter-reset: news-step;
  margin: 22px 0 0;
  padding: 0;
}

.page-news .step-item {
  position: relative;
  padding: 18px 18px 18px 62px;
  background: var(--abyss);
  border-left: 2px solid var(--steel);
}

.page-news .step-item--now {
  border-left-color: var(--amber);
  background: linear-gradient(90deg, rgba(255, 138, 61, 0.12), rgba(255, 138, 61, 0) 70%), var(--abyss);
}

.page-news .step-item::before {
  counter-increment: news-step;
  content: "0" counter(news-step);
  position: absolute;
  left: 18px;
  top: 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-news .step-item__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .step-item p {
  margin: 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.7;
}

/* ---------- 适配复核 ---------- */
.page-news .review-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-news .review-card {
  border: 1px solid var(--line-strong);
  background: var(--abyss);
  padding: 14px;
}

.page-news .review-card--now {
  border-color: var(--amber);
}

.page-news .review-card__mono {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-news .review-card__q {
  margin: 0 0 10px;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-news .review-card__state {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--mist);
}

.page-news .state-dot {
  flex: none;
  width: 8px;
  height: 8px;
  background: var(--mist);
  display: inline-block;
}

.page-news .state-dot--done {
  background: var(--jade);
}

.page-news .state-dot--now {
  background: var(--amber);
}

/* ---------- 专题 ---------- */
.page-news .topic-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-news .topic-card {
  border: 1px solid var(--line-strong);
  background: var(--abyss);
  padding: 16px;
}

.page-news .topic-card--plain {
  border-left: 2px solid var(--jade);
}

.page-news .topic-card .news-figure {
  margin: 0 0 16px;
  padding: 0;
  border: 0;
  background: transparent;
}

.page-news .topic-card__mono {
  margin: 0 0 10px;
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--jade-soft);
}

.page-news .topic-card__title {
  margin: 0 0 10px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .topic-card p {
  margin: 0 0 10px;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.75;
}

.page-news .topic-card p:last-child {
  margin-bottom: 0;
}

/* ---------- 更新节奏 ---------- */
.page-news .cadence-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-news .cadence-item {
  border-top: 2px solid var(--amber);
  background: var(--abyss);
  padding: 14px;
}

.page-news .cadence-item__m {
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--amber-soft);
}

.page-news .cadence-item p {
  margin: 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.65;
}

/* ---------- 尾部行动 ---------- */
.page-news .news-cta {
  background: linear-gradient(120deg, rgba(255, 138, 61, 0.14), rgba(62, 142, 126, 0.10) 70%, transparent);
  border-top: 1px solid var(--line-strong);
}

.page-news .news-cta__title {
  margin: 0 0 12px;
  font-size: clamp(22px, 5.4vw, 32px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--paper);
}

.page-news .news-cta p {
  max-width: 46ch;
  margin: 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- 桌面 ---------- */
@media (min-width: 760px) {
  .page-news .review-grid,
  .page-news .cadence-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .step-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero {
    padding-top: 32px;
    padding-bottom: 56px;
  }

  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: end;
    gap: 32px;
    margin-top: 26px;
  }

  .page-news .news-hero::before {
    width: 380px;
    height: 380px;
    top: -110px;
    right: -140px;
  }

  .page-news .news-section {
    padding: 56px 0;
  }

  .page-news .filter-band {
    position: sticky;
    top: 16px;
    z-index: 4;
    background: var(--ink);
  }

  .page-news .log-item__summary {
    grid-template-columns: var(--news-num) minmax(0, 1fr);
    align-items: start;
    gap: 20px;
    padding: 20px 16px 20px 0;
  }

  .page-news .log-item__detail {
    padding: 0 16px 22px var(--news-num);
  }

  .page-news .log-item__detail p {
    max-width: 56ch;
  }

  .page-news .topic-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 16px;
    align-items: start;
  }

  .page-news .news-intro {
    max-width: 52ch;
  }
}

@media (min-width: 1200px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 48px;
  }

  .page-news .news-hero__panel {
    padding: 20px 22px;
  }
}

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