.page-news {
  --news-band: linear-gradient(100deg, rgba(108, 59, 244, 0.92), rgba(43, 232, 208, 0.5) 65%, rgba(245, 165, 36, 0.45));
  --news-shadow: 0 30px 80px rgba(7, 11, 31, 0.62);
  background: var(--ink-900);
  color: var(--text);
  overflow-x: hidden;
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-news .crumbs {
  margin: 18px 0 2px;
  font-size: 12px;
  color: var(--muted);
}

/* ---------- 封面带 ---------- */
.page-news .cover {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 4vw, 40px) 0 clamp(36px, 7vw, 84px);
  isolation: isolate;
}

.page-news .cover__sky {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-news .cover__sky-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.34;
  display: block;
}

.page-news .cover__sky::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 72% 0%, rgba(108, 59, 244, 0.55), transparent 62%),
    linear-gradient(180deg, rgba(7, 11, 31, 0.35) 0%, var(--ink-900) 92%);
}

.page-news .cover__slash {
  position: absolute;
  left: -14%;
  top: 46%;
  width: 128%;
  height: clamp(52px, 10vw, 118px);
  background: var(--news-band);
  transform: rotate(-3.4deg);
  opacity: 0.2;
  filter: blur(1px);
  z-index: 0;
  pointer-events: none;
}

.page-news .cover__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-news .cover__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(40px, 8.6vw, 104px);
  font-weight: 300;
  line-height: 0.98;
  letter-spacing: -0.035em;
}

.page-news .cover__title-em {
  display: block;
  margin-top: 0.08em;
  font-weight: 700;
  color: var(--violet-soft);
  background: linear-gradient(92deg, #ffffff 8%, var(--violet-soft) 52%, var(--cyan) 96%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-news .cover__lede {
  margin: 18px 0 0;
  max-width: 32em;
  font-size: clamp(14.5px, 1.6vw, 16.5px);
  line-height: 1.8;
  color: var(--muted);
}

.page-news .cover__status {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-news .cover__pulse {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(43, 232, 208, 0.16);
}

.page-news .cover__topics {
  padding: 18px 16px;
  background: var(--glass);
  border: 1px solid var(--line);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: var(--news-shadow);
}

.page-news .cover__topics-head {
  margin: 0 0 12px;
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--violet-soft);
  font-family: var(--font-mono);
}

.page-news .topic-index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .topic-index li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 2px 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .topic-index li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-news .topic-index__no {
  grid-row: span 2;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--amber);
  padding-top: 3px;
}

.page-news .topic-index__name {
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.page-news .topic-index__note {
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--muted);
}

/* ---------- 目录区 ---------- */
.page-news .stream {
  padding-top: clamp(36px, 6vw, 64px);
}

.page-news .section-head h2 {
  margin: 0.3em 0 0.35em;
  font-family: var(--font-display);
  font-size: clamp(26px, 4.4vw, 44px);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.page-news .section-head__note {
  margin: 0;
  max-width: 36em;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .topic-stack {
  position: relative;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-news .topic-stack__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  border: 0;
}

.page-news .topic-bar {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 0 14px;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-news .topic-bar__chip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  background: rgba(255, 255, 255, 0.02);
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.02em;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-news .topic-bar__chip .mono {
  font-size: 11px;
  color: var(--muted);
}

.page-news .topic-bar__chip:hover {
  color: var(--text);
  border-color: var(--violet-soft);
}

.page-news #tp-all:checked ~ .topic-bar label[for="tp-all"],
.page-news #tp-data:checked ~ .topic-bar label[for="tp-data"],
.page-news #tp-board:checked ~ .topic-bar label[for="tp-board"],
.page-news #tp-version:checked ~ .topic-bar label[for="tp-version"],
.page-news #tp-notes:checked ~ .topic-bar label[for="tp-notes"] {
  color: var(--text);
  font-weight: 600;
  border-color: var(--cyan);
  border-bottom-color: var(--cyan);
  background: rgba(43, 232, 208, 0.1);
}

.page-news #tp-all:checked ~ .topic-bar label[for="tp-all"] .mono,
.page-news #tp-data:checked ~ .topic-bar label[for="tp-data"] .mono,
.page-news #tp-board:checked ~ .topic-bar label[for="tp-board"] .mono,
.page-news #tp-version:checked ~ .topic-bar label[for="tp-version"] .mono,
.page-news #tp-notes:checked ~ .topic-bar label[for="tp-notes"] .mono {
  color: var(--cyan);
}

.page-news #tp-all:focus-visible ~ .topic-bar label[for="tp-all"],
.page-news #tp-data:focus-visible ~ .topic-bar label[for="tp-data"],
.page-news #tp-board:focus-visible ~ .topic-bar label[for="tp-board"],
.page-news #tp-version:focus-visible ~ .topic-bar label[for="tp-version"],
.page-news #tp-notes:focus-visible ~ .topic-bar label[for="tp-notes"] {
  outline: 2px solid var(--violet-soft);
  outline-offset: 2px;
}

.page-news #tp-data:checked ~ .report-stream .report:not(.is-data),
.page-news #tp-board:checked ~ .report-stream .report:not(.is-board),
.page-news #tp-version:checked ~ .report-stream .report:not(.is-version),
.page-news #tp-notes:checked ~ .report-stream .report:not(.is-notes) {
  display: none;
}

/* ---------- 条目流 ---------- */
.page-news .report-stream {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px solid var(--line);
}

.page-news .report {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  align-content: start;
  padding: 22px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .report__no {
  font-size: clamp(20px, 3.4vw, 30px);
  line-height: 0.95;
  color: var(--muted);
  opacity: 0.55;
  transition: color 0.2s ease, opacity 0.2s ease;
}

.page-news .report:hover .report__no {
  color: var(--cyan);
  opacity: 1;
}

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

.page-news .report__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

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

.page-news .report__title {
  margin: 0 0 8px;
  font-size: clamp(16px, 2vw, 18.5px);
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: -0.01em;
}

.page-news .report__title a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-news .report__title a:hover,
.page-news .report__title a:focus-visible {
  color: var(--cyan);
  border-bottom-color: rgba(43, 232, 208, 0.55);
  outline: none;
}

.page-news .report__excerpt {
  margin: 0;
  max-width: 33em;
  font-size: 13.8px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .report__more {
  margin: 8px 0 0;
  max-width: 33em;
  font-size: 12.6px;
  line-height: 1.72;
  color: var(--violet-soft);
  overflow: hidden;
  max-height: 6em;
  opacity: 1;
  transition: max-height 0.3s ease, opacity 0.25s ease, margin 0.2s ease;
}

.page-news .report__figure {
  grid-column: 1 / -1;
  margin: 14px 0 0;
}

.page-news .report__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--ink-700);
}

/* ---------- 回访引导 ---------- */
.page-news .revisit {
  padding-top: clamp(40px, 7vw, 72px);
}

.page-news .revisit__inner {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 22px;
  padding: clamp(22px, 4vw, 40px);
  background: var(--glass);
  border: 1px solid var(--line);
}

.page-news .revisit__inner::before {
  content: "";
  position: absolute;
  right: -20%;
  top: -60%;
  width: 70%;
  height: 220%;
  background: radial-gradient(closest-side, rgba(108, 59, 244, 0.42), transparent 72%);
  pointer-events: none;
}

.page-news .revisit__copy {
  position: relative;
}

.page-news .revisit__copy h2 {
  margin: 0.3em 0 0.5em;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.8vw, 38px);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.page-news .revisit__copy p {
  margin: 0;
  max-width: 36em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .revisit__actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-content: start;
}

.page-news .revisit__top {
  display: inline-block;
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px dashed var(--line);
  padding-bottom: 3px;
}

.page-news .revisit__top:hover,
.page-news .revisit__top:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-news .cover__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    align-items: end;
  }

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

  .page-news .report-stream {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(28px, 4vw, 56px);
  }

  .page-news .report {
    padding: 26px 0;
  }

  .page-news .report--feature {
    grid-column: 1 / -1;
    grid-template-columns: 64px minmax(0, 1fr) 300px;
    column-gap: 28px;
    align-items: start;
  }

  .page-news .report--feature .report__figure {
    grid-column: 3;
    grid-row: 1;
    margin: 0;
  }

  .page-news .report--feature .report__no {
    font-size: 40px;
  }

  .page-news .report:not(.report--feature):nth-child(even) {
    padding-top: 46px;
  }

  .page-news .report__more {
    max-height: 0;
    margin-top: 0;
    opacity: 0;
  }

  .page-news .report:hover .report__more,
  .page-news .report:focus-within .report__more {
    max-height: 9em;
    margin-top: 8px;
    opacity: 1;
  }
}

@media (min-width: 1080px) {
  .page-news .revisit__inner {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .report__more,
  .page-news .report__no,
  .page-news .topic-bar__chip {
    transition: none;
  }
}