.page-news {
  --n-gap: clamp(20px, 4vw, 44px);
  --n-block: clamp(48px, 7vw, 96px);
  padding-block: clamp(24px, 4vw, 48px) clamp(56px, 8vw, 120px);
  color: var(--silver);
}

.page-news .n-mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  color: var(--cyber);
}

/* ---------- 首屏 ---------- */
.page-news .notes-hero {
  position: relative;
  display: grid;
  gap: 16px;
  margin-top: clamp(18px, 3vw, 32px);
  padding: clamp(24px, 5vw, 56px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(63, 224, 212, 0.10) 0%, transparent 55%),
    linear-gradient(150deg, var(--tundra) 0%, rgba(18, 54, 42, 0.42) 58%, transparent 100%);
  overflow: hidden;
}

.page-news .notes-hero::after {
  content: "";
  position: absolute;
  inset: auto -12% -60% auto;
  width: 46%;
  aspect-ratio: 1;
  border: 1px solid rgba(63, 224, 212, 0.18);
  border-radius: 50%;
  pointer-events: none;
}

.page-news .notes-hero .h-page {
  max-width: 22ch;
  color: var(--silver);
}

.page-news .notes-hero .lede {
  max-width: 62ch;
  color: rgba(203, 213, 208, 0.86);
}

.page-news .notes-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px clamp(20px, 4vw, 48px);
  margin-top: 6px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  list-style: none;
}

.page-news .notes-hero__meta li {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-news .notes-hero__meta .n-mono {
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 600;
}

.page-news .notes-hero__label {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--index);
}

/* ---------- 区块外壳 ---------- */
.page-news .notes-block {
  margin-top: var(--n-block);
}

.page-news .notes-block__head {
  display: grid;
  gap: 8px;
  margin-bottom: clamp(20px, 3vw, 34px);
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-news .notes-block__head .h-section {
  margin: 0;
  color: var(--silver);
}

.page-news .notes-block__hint {
  margin: 0;
  font-size: 14px;
  color: var(--index);
}

/* ---------- 图片容器 ---------- */
.page-news .n-media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--tundra);
  overflow: hidden;
  box-shadow: var(--shadow-1);
}

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

.page-news .n-media--lead {
  margin-bottom: clamp(26px, 4vw, 44px);
  aspect-ratio: 16 / 9;
}

.page-news .n-media--square {
  margin-bottom: 16px;
  aspect-ratio: 1 / 1;
  border-radius: 10px;
  box-shadow: none;
}

.page-news .n-media--rhythm {
  aspect-ratio: 2 / 1;
  box-shadow: none;
}

.page-news .n-media--archive {
  margin-bottom: 20px;
  aspect-ratio: 8 / 3;
  box-shadow: none;
}

.page-news .n-media__cap {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--index);
  border-top: 1px solid var(--line);
}

/* ---------- 条目流 ---------- */
.page-news .feed__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.page-news .feed__tab {
  appearance: none;
  padding: 8px 16px;
  font-family: var(--font-text);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--index);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-news .feed__tab:hover {
  color: var(--silver);
  border-color: var(--line-strong);
}

.page-news .feed__tab[aria-selected="true"] {
  color: var(--night);
  background: var(--cyber);
  border-color: var(--cyber);
}

.page-news .feed__tab:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

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

.page-news .feed__panel + .feed__panel {
  margin-top: 0;
}

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

.page-news .entry__summary {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 2px;
  list-style: none;
  cursor: pointer;
}

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

.page-news .entry__summary:hover .entry__title {
  color: var(--cyber);
}

.page-news .entry__summary:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-news .entry__time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--index);
}

.page-news .entry__title {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--silver);
  transition: color 0.2s var(--ease);
}

.page-news .entry__body {
  margin: 0 0 18px;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(203, 213, 208, 0.78);
}

.page-news .n-tag {
  justify-self: start;
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  border-radius: 4px;
  border: 1px solid currentColor;
  white-space: nowrap;
}

.page-news .n-tag--cinnabar { color: var(--cinnabar); }
.page-news .n-tag--green { color: var(--signal); }
.page-news .n-tag--cyan { color: var(--cyber); }
.page-news .n-tag--amber { color: var(--amber); }

@media (min-width: 720px) {
  .page-news .entry__summary {
    grid-template-columns: 92px minmax(0, 1fr) auto;
    align-items: baseline;
    gap: 24px;
    padding: 18px 2px;
  }

  .page-news .entry__title {
    font-size: 18px;
  }

  .page-news .n-tag {
    justify-self: end;
  }
}

/* ---------- 四个专栏 ---------- */
.page-news .columns-band {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--n-gap);
}

.page-news .column-card {
  display: grid;
  align-content: start;
  padding: 18px;
  border: 1px solid var(--line);
  border-top-width: 3px;
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(18, 54, 42, 0.7) 0%, rgba(11, 31, 23, 0.4) 100%);
}

.page-news .column-card--cinnabar { border-top-color: var(--cinnabar); }
.page-news .column-card--green { border-top-color: var(--signal); }
.page-news .column-card--cyan { border-top-color: var(--cyber); }
.page-news .column-card--amber { border-top-color: var(--amber); }

.page-news .column-card__title {
  margin: 6px 0 10px;
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--silver);
}

.page-news .column-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(203, 213, 208, 0.78);
}

@media (min-width: 740px) {
  .page-news .columns-band {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-news .columns-band {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 刷新节奏 ---------- */
.page-news .rhythm {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--n-gap);
  padding: clamp(20px, 4vw, 40px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(255, 138, 61, 0.08) 0%, rgba(18, 54, 42, 0.55) 45%, transparent 100%);
}

.page-news .rhythm__body {
  align-self: center;
}

.page-news .rhythm__body .h-section {
  margin: 0 0 14px;
  color: var(--silver);
}

.page-news .rhythm__body p {
  margin: 0 0 14px;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(203, 213, 208, 0.8);
}

.page-news .rhythm__facts {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .rhythm__facts li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
  color: var(--index);
}

.page-news .rhythm__facts .n-mono {
  min-width: 110px;
  font-size: 13px;
  letter-spacing: 0.04em;
}

@media (min-width: 900px) {
  .page-news .rhythm {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }
}

/* ---------- 季度归档 ---------- */
.page-news .archive__track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(240px, 78%);
  gap: 16px;
  padding-bottom: 12px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
}

.page-news .archive__track:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 4px;
}

.page-news .archive__track::-webkit-scrollbar {
  height: 6px;
}

.page-news .archive__track::-webkit-scrollbar-thumb {
  background: var(--signal);
  border-radius: 999px;
}

.page-news .archive-card {
  scroll-snap-align: start;
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 22px 20px;
  border: 1px solid rgba(36, 26, 21, 0.16);
  border-radius: var(--radius);
  background: var(--cream);
  color: var(--ink);
}

.page-news .archive-card:nth-child(even) {
  margin-top: 16px;
}

.page-news .archive-card__quarter {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--cinnabar);
}

.page-news .archive-card__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.page-news .archive-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(36, 26, 21, 0.78);
}

.page-news .archive-card__meta {
  margin: 6px 0 0;
  padding-top: 10px;
  border-top: 1px solid rgba(36, 26, 21, 0.16);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(36, 26, 21, 0.6);
}

.page-news .archive__note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--index);
}

@media (min-width: 900px) {
  .page-news .archive__track {
    grid-auto-columns: minmax(260px, 30%);
    gap: 20px;
  }
}

/* ---------- 订阅与提醒 ---------- */
.page-news .follow {
  gap: var(--n-gap);
}

.page-news .follow__card {
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(18, 54, 42, 0.5);
}

.page-news .follow__card--amber {
  border-color: rgba(255, 138, 61, 0.42);
  background: linear-gradient(140deg, rgba(255, 138, 61, 0.12) 0%, rgba(18, 54, 42, 0.5) 60%);
}

.page-news .follow__title {
  margin: 8px 0 12px;
  font-size: 20px;
  font-weight: 700;
  color: var(--silver);
}

.page-news .follow__card p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(203, 213, 208, 0.8);
}

.page-news .follow__note {
  font-size: 14px;
  color: var(--index);
}

.page-news .follow__more {
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.8;
  color: var(--index);
}

.page-news a {
  color: var(--cyber);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 212, 0.35);
}

.page-news a:hover {
  border-bottom-color: var(--cyber);
}

.page-news a.btn {
  display: inline-block;
  border-bottom-width: 1px;
  border-bottom-color: var(--line-strong);
  color: var(--silver);
}

.page-news a.btn:hover {
  border-color: var(--cyber);
  color: var(--cyber);
}

@media (prefers-reduced-motion: reduce) {
  .page-news .feed__tab,
  .page-news .entry__title {
    transition: none;
  }
}