.page-news {
  display: block;
  background: var(--deep);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 48px) 0 clamp(36px, 6vw, 76px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 140% at 84% -10%, rgba(47, 224, 208, 0.16), transparent 58%),
    linear-gradient(180deg, #071a2f 0%, #0e2a47 100%);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(159, 179, 200, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(159, 179, 200, 0.06) 1px, transparent 1px);
  background-size: 96px 96px;
}

.page-news .news-hero > .shell {
  position: relative;
  z-index: 1;
}

.page-news .news-hero__eyebrow {
  margin: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--coral);
}

.page-news .news-hero__title {
  margin: 14px 0 0;
  max-width: 16em;
  font-size: clamp(30px, 5.6vw, 54px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.page-news .news-hero__lede {
  margin: 18px 0 0;
  max-width: 36em;
  font-size: var(--fs-lede);
  line-height: 1.78;
  color: var(--mist);
}

.page-news .hero-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 22px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-news .hero-meta__item {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .hero-meta__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-news .hero-meta__label {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--steel);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

/* ---------- 主布局 ---------- */
.page-news .news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
  padding-top: clamp(36px, 6vw, 72px);
  padding-bottom: clamp(56px, 8vw, 120px);
}

.page-news .news-rail {
  display: none;
}

.page-news .side-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--steel);
}

.page-news .side-index__list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 1px solid var(--line);
}

.page-news .side-index__link {
  display: block;
  margin-left: -1px;
  padding: 8px 10px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--steel);
  text-decoration: none;
  border-left: 1px solid transparent;
  transition: color var(--dur), border-color var(--dur);
}

.page-news .side-index__link:hover,
.page-news .side-index__link:focus-visible {
  color: var(--cyan);
  border-left-color: var(--cyan);
}

.page-news .side-index__link--sub {
  padding-left: 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
}

.page-news .news-body {
  min-width: 0;
}

/* ---------- 章节通用 ---------- */
.page-news .news-section {
  padding: clamp(36px, 5vw, 64px) 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 96px;
}

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

.page-news .news-section--panel {
  padding: clamp(24px, 3.4vw, 44px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-news .news-section--mist {
  color: var(--ink);
  background: var(--mist);
  border-color: var(--line-ink);
}

.page-news .news-section--navy-panel {
  background: var(--navy);
  border-color: var(--line);
}

.page-news .news-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-news .news-head__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-news .news-head__title {
  margin: 0;
  max-width: 24em;
  font-size: clamp(21px, 3vw, 32px);
  font-weight: 900;
  line-height: 1.32;
}

.page-news .news-head__note {
  margin: 0;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--steel);
}

.page-news .news-section--mist .news-head__no,
.page-news .news-section--mist .news-head__title {
  color: var(--ink);
}

.page-news .news-section--mist .news-head__no {
  color: var(--mid);
}

.page-news .news-section--mist .news-head__note,
.page-news .news-section--mist .prose {
  color: var(--ink-soft);
}

.page-news .prose {
  margin: 0 0 16px;
  line-height: var(--lh-body);
}

.page-news .news-section .prose:last-child {
  margin-bottom: 0;
}

/* ---------- 01 本期主条 ---------- */
.page-news .news-feature {
  display: grid;
  gap: clamp(24px, 3vw, 40px);
}

.page-news .news-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 20px;
}

.page-news .spec {
  display: grid;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .spec__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .spec__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.page-news .spec__val {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
}

.page-news .news-copy {
  margin-top: 22px;
}

.page-news .news-feature__figure {
  margin: 0;
  max-width: 300px;
}

/* ---------- 02 小屏变化 ---------- */
.page-news .change-list {
  display: grid;
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-ink);
}

.page-news .change-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-ink);
}

.page-news .change-item__no {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mid);
}

.page-news .change-item__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
}

/* ---------- 03 新用户入口 ---------- */
.page-news .path-line {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 26px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-news .path-line__step {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--mist);
}

.page-news .path-line__sep {
  font-family: var(--font-mono);
  color: var(--cyan);
}

.page-news .news-inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

/* ---------- 04 季度归档 ---------- */
.page-news .archive-intro {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  margin-bottom: clamp(22px, 3vw, 36px);
}

.page-news .archive-intro__figure {
  margin: 0;
  max-width: 460px;
}

.page-news .archive-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 16px;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-news .archive-stats__num {
  display: block;
  font-size: 19px;
  font-weight: 700;
  color: var(--cyan);
}

.page-news .archive-stats__label {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  color: var(--steel);
}

.page-news .archive-timeline {
  margin: 0 0 clamp(26px, 3.4vw, 40px);
}

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  align-items: center;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-news .filter-bar__group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.page-news .filter-bar__label {
  margin-right: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--steel);
}

.page-news .filter-count {
  margin-left: auto;
  font-size: 12px;
  color: var(--steel);
}

.page-news .q-group {
  padding-top: clamp(28px, 4vw, 52px);
  scroll-margin-top: 96px;
}

.page-news .q-head {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  align-items: baseline;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-strong);
}

.page-news .q-num {
  font-family: var(--font-mono);
  font-size: clamp(40px, 8vw, 76px);
  font-weight: 700;
  line-height: 0.92;
  letter-spacing: -0.02em;
  color: var(--mid);
}

.page-news .q-label {
  font-size: 14px;
  color: var(--steel);
}

.page-news .entry {
  border-bottom: 1px solid var(--line);
  transition: border-color var(--dur);
}

.page-news .entry[open] {
  border-bottom-color: var(--cyan);
}

.page-news .entry__summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 16px;
  gap: 6px 12px;
  align-items: center;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
  transition: color var(--dur);
}

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

.page-news .entry__no {
  grid-column: 1;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--steel);
}

.page-news .entry__title {
  grid-column: 1;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.6;
  transition: color var(--dur);
}

.page-news .entry__side {
  grid-column: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.page-news .entry__mark {
  position: relative;
  grid-column: 2;
  grid-row: 1 / span 3;
  align-self: center;
  width: 12px;
  height: 12px;
}

.page-news .entry__mark::before,
.page-news .entry__mark::after {
  content: "";
  position: absolute;
  background: var(--steel);
  transition: transform var(--dur), background var(--dur);
}

.page-news .entry__mark::before {
  left: 0;
  top: 5px;
  width: 12px;
  height: 1px;
}

.page-news .entry__mark::after {
  left: 5px;
  top: 0;
  width: 1px;
  height: 12px;
}

.page-news .entry[open] .entry__mark::before {
  background: var(--cyan);
}

.page-news .entry[open] .entry__mark::after {
  transform: scaleY(0);
}

.page-news .entry__summary:hover .entry__title,
.page-news .entry__summary:focus-visible .entry__title {
  color: var(--cyan);
}

.page-news .entry__body {
  padding: 0 0 18px;
}

.page-news .entry__body p {
  margin: 0;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.82;
  color: var(--mist);
}

/* ---------- 05 换设备 ---------- */
.page-news .device-list {
  display: grid;
  gap: 0;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-ink);
}

.page-news .device-list__item {
  padding: 14px 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
  border-bottom: 1px solid var(--line-ink);
}

/* ---------- 06 状态说明 ---------- */
.page-news .legend-layout {
  display: grid;
  gap: clamp(24px, 3vw, 40px);
}

.page-news .legend-grid {
  display: grid;
  border-top: 1px solid var(--line);
}

.page-news .legend-row {
  display: grid;
  gap: 10px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .legend-row__text {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.82;
  color: var(--mist);
}

.page-news .legend-layout__figure {
  margin: 0;
  max-width: 460px;
}

/* ---------- 收尾链接 ---------- */
.page-news .news-closing__list {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-news .news-closing__link {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 18px;
  padding: 16px 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color var(--dur), padding-left var(--dur);
}

.page-news .news-closing__link:hover,
.page-news .news-closing__link:focus-visible {
  color: var(--cyan);
  padding-left: 8px;
}

.page-news .news-closing__hint {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--steel);
}

/* ---------- 图片容器 ---------- */
.page-news .figure__frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .hero-meta {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .hero-meta__item {
    padding-right: 16px;
  }

  .page-news .spec__row {
    grid-template-columns: 110px minmax(0, 1fr);
    gap: 14px;
    align-items: baseline;
  }
}

@media (min-width: 720px) {
  .page-news .news-feature {
    grid-template-columns: minmax(0, 1fr) 280px;
    align-items: start;
  }

  .page-news .news-feature__figure {
    max-width: none;
  }

  .page-news .entry__summary {
    grid-template-columns: 104px minmax(0, 1fr) auto 16px;
    grid-template-rows: auto;
    gap: 16px;
  }

  .page-news .entry__no,
  .page-news .entry__title,
  .page-news .entry__side {
    grid-column: auto;
    grid-row: 1;
  }

  .page-news .entry__side {
    flex-wrap: nowrap;
    justify-content: flex-end;
  }

  .page-news .entry__mark {
    grid-column: 4;
    grid-row: 1;
  }

  .page-news .legend-row {
    grid-template-columns: 170px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }
}

@media (min-width: 860px) {
  .page-news .archive-intro {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .archive-intro__figure {
    max-width: none;
  }
}

@media (min-width: 980px) {
  .page-news .legend-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 360px);
    align-items: start;
  }

  .page-news .legend-layout__figure {
    max-width: none;
  }
}

@media (min-width: 1060px) {
  .page-news .news-layout {
    grid-template-columns: 190px minmax(0, 1fr);
    align-items: start;
  }

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

  .page-news .news-rail__sticky {
    position: sticky;
    top: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .side-index__link,
  .page-news .entry,
  .page-news .entry__summary,
  .page-news .entry__title,
  .page-news .entry__mark::before,
  .page-news .entry__mark::after,
  .page-news .news-closing__link {
    transition-duration: 1ms;
  }
}