.page-news {
  --news-rule: 1px solid var(--mist);
  --news-rule-ink: 1px solid rgba(11, 13, 18, .18);
  background: var(--paper);
  color: var(--ink);
  padding-bottom: clamp(48px, 8vw, 96px);
  overflow-x: clip;
}

.page-news .news-section {
  margin-top: clamp(40px, 6vw, 76px);
}

/* ---------- 页首 ---------- */
.page-news .notes-head {
  margin-top: clamp(18px, 3vw, 30px);
  border-top: 3px solid var(--ink);
  border-bottom: var(--news-rule);
  padding: clamp(16px, 3vw, 26px) 0 clamp(22px, 3.5vw, 34px);
}

.page-news .notes-head__top {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  align-items: baseline;
  justify-content: space-between;
}

.page-news .notes-head__kicker,
.page-news .notes-head__issue {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.page-news .notes-head__kicker {
  color: var(--orange);
  font-weight: 700;
}

.page-news .notes-head__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 7vw, 54px);
  line-height: 1.14;
  letter-spacing: -.01em;
  max-width: 22ch;
}

.page-news .notes-head__lead {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-news .notes-head__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 16px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .notes-stat {
  border-left: 2px solid var(--orange);
  padding-left: 12px;
}

.page-news .notes-stat__num {
  display: block;
  font-family: var(--font-num);
  font-weight: 800;
  font-size: 22px;
  line-height: 1.1;
  letter-spacing: -.02em;
}

.page-news .notes-stat__label {
  display: block;
  margin-top: 4px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--ink-soft);
}

/* ---------- 本期专题 ---------- */
.page-news .feature-band {
  margin-top: clamp(28px, 5vw, 56px);
  padding: clamp(30px, 6vw, 64px) 0;
  background:
    radial-gradient(120% 90% at 88% 4%, rgba(255, 106, 26, .28) 0%, rgba(255, 106, 26, 0) 58%),
    linear-gradient(152deg, #12305f 0%, var(--blue) 44%, var(--deep) 100%);
  color: var(--paper);
}

.page-news .feature {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  grid-template-columns: minmax(0, 1fr);
}

.page-news .feature__eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(247, 245, 239, .72);
}

.page-news .feature__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 5.4vw, 42px);
  line-height: 1.22;
}

.page-news .feature__lead {
  margin: 16px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(247, 245, 239, .92);
}

.page-news .feature__body {
  margin: 12px 0 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(247, 245, 239, .72);
}

.page-news .feature__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-news .feature__visual {
  margin: 0;
  border: 1px solid rgba(247, 245, 239, .28);
  background: rgba(247, 245, 239, .06);
  padding: 10px;
}

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

.page-news .feature__caption {
  margin: 10px 2px 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(247, 245, 239, .68);
}

.page-news .recent-strip {
  margin-top: clamp(28px, 4.5vw, 48px);
  border-top: 1px solid rgba(247, 245, 239, .26);
  padding-top: 18px;
}

.page-news .recent-strip__label {
  margin: 0 0 6px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--teal);
}

.page-news .recent-strip__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .recent-item {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  column-gap: 12px;
  padding: 14px 0;
  border-bottom: 1px dashed rgba(247, 245, 239, .22);
}

.page-news .recent-item__index {
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 800;
  color: var(--orange);
  line-height: 1.6;
}

.page-news .recent-item__title {
  margin: 0;
  grid-column: 2;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--paper);
}

.page-news .recent-item__meta {
  margin: 5px 0 0;
  grid-column: 2;
  font-size: 12.5px;
  letter-spacing: .04em;
  color: rgba(247, 245, 239, .6);
}

/* ---------- 列表 + 侧栏 ---------- */
.page-news .notes-index {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 40px);
}

.page-news .list-head {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 12px;
}

.page-news .list-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 4vw, 30px);
  letter-spacing: -.01em;
}

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .filter-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-news .filter-chip {
  display: inline-block;
  cursor: pointer;
  padding: 6px 12px;
  border: 1px solid var(--mist);
  background: var(--warm);
  color: var(--ink);
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .1em;
  line-height: 1.4;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}

.page-news .filter-chip:hover {
  border-color: var(--orange);
  color: var(--ink);
}

.page-news .filter-radio:checked + .filter-chip {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.page-news .filter-radio:focus-visible + .filter-chip {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-news .notes-index:has(#f-version:checked) .note:not([data-series="version"]),
.page-news .notes-index:has(#f-taxonomy:checked) .note:not([data-series="taxonomy"]),
.page-news .notes-index:has(#f-device:checked) .note:not([data-series="device"]),
.page-news .notes-index:has(#f-ops:checked) .note:not([data-series="ops"]) {
  display: none;
}

.page-news .note-list {
  grid-column: 1;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--news-rule);
}

.page-news .note {
  display: grid;
  grid-template-columns: 2.3rem minmax(0, 1fr);
  column-gap: .8rem;
  row-gap: .5rem;
  padding: 18px 0;
  border-bottom: var(--news-rule);
}

.page-news .note__no {
  grid-column: 1;
  grid-row: 1 / span 2;
  font-family: var(--font-num);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--orange);
  padding-top: 2px;
}

.page-news .note__main {
  grid-column: 2;
}

.page-news .note__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
}

.page-news .note__link {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .18s ease, color .18s ease;
}

.page-news .note__link:hover,
.page-news .note__link:focus-visible {
  border-bottom-color: var(--orange);
  color: var(--blue);
}

.page-news .note__summary {
  margin: 7px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-news .note__meta {
  grid-column: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 10px 0 0;
}

.page-news .note__time {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--ink-soft);
}

.page-news .notes-aside {
  grid-column: 1;
}

.page-news .aside-card {
  margin: 0;
  border: var(--news-rule);
  background: var(--warm);
  box-shadow: var(--shadow-card);
}

.page-news .aside-card img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-bottom: var(--news-rule);
}

.page-news .aside-card__body {
  padding: 16px;
}

.page-news .aside-card__label {
  margin: 0 0 8px;
}

.page-news .aside-card__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.4;
}

.page-news .aside-list {
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
}

.page-news .aside-list__item {
  position: relative;
  padding-left: 16px;
  margin-bottom: 8px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--ink-soft);
}

.page-news .aside-list__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 6px;
  height: 6px;
  background: var(--teal-deep);
}

.page-news .aside-card__link {
  display: inline-block;
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--blue);
  text-decoration: none;
  border-bottom: 2px solid var(--orange);
  padding-bottom: 2px;
}

.page-news .archive-figure {
  margin: clamp(28px, 4vw, 44px) 0 0;
  border: var(--news-rule);
  padding: 10px;
  background: rgba(239, 233, 218, .5);
}

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

.page-news .archive-figure__caption {
  margin: 10px 2px 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--ink-soft);
}

/* ---------- 四个系列 ---------- */
.page-news .section-head {
  border-bottom: var(--news-rule);
  padding-bottom: 12px;
  margin-bottom: clamp(18px, 3vw, 28px);
}

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

.page-news .series-card {
  position: relative;
  padding: 18px 16px 16px;
  background: var(--paper);
  border: var(--news-rule);
  border-top: 3px solid var(--blue);
  box-shadow: var(--shadow-card);
}

.page-news .series-card:nth-child(2) {
  border-top-color: var(--orange);
}

.page-news .series-card:nth-child(3) {
  border-top-color: var(--violet);
}

.page-news .series-card:nth-child(4) {
  border-top-color: var(--teal-deep);
}

.page-news .series-card__label {
  margin: 0 0 8px;
  font-family: var(--font-num);
  font-size: 11.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.page-news .series-card__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 19px;
  line-height: 1.42;
}

.page-news .series-card__text {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-news .series-card__meta {
  margin: 0;
  padding-top: 10px;
  border-top: 1px dashed var(--mist);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--blue);
}

/* ---------- 选题与节奏 ---------- */
.page-news .cadence {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 40px);
}

.page-news .cadence__lead {
  margin: 0 0 14px;
  max-width: 66ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-news .cadence__steps {
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 2px solid var(--orange);
}

.page-news .cadence__step {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  column-gap: 12px;
  padding: 0 0 18px 14px;
}

.page-news .cadence__step:last-child {
  padding-bottom: 0;
}

.page-news .cadence__step-no {
  font-family: var(--font-num);
  font-weight: 800;
  font-size: 15px;
  color: var(--orange);
  line-height: 1.5;
}

.page-news .cadence__step-title {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.45;
}

.page-news .cadence__step-text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* ---------- 联系入口 ---------- */
.page-news .reach {
  border-top: 3px solid var(--ink);
  padding-top: clamp(18px, 3vw, 28px);
}

.page-news .reach__lead {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-news .reach__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: clamp(18px, 3vw, 26px);
}

.page-news .reach-card {
  padding: 18px 16px;
  border: var(--news-rule);
  background: var(--warm);
}

.page-news .reach-card--mail {
  background: linear-gradient(150deg, rgba(255, 106, 26, .16) 0%, rgba(255, 106, 26, 0) 70%), var(--warm);
  border-color: rgba(255, 106, 26, .45);
}

.page-news .reach-card--ghost {
  background: var(--paper);
}

.page-news .reach-card__label {
  margin: 0 0 8px;
  font-family: var(--font-num);
  font-size: 11.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.page-news .reach-card__value {
  margin: 0 0 8px;
  font-family: var(--font-num);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink);
  word-break: break-word;
}

.page-news .reach-card__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-news .reach-card__btn {
  margin-top: 14px;
}

.page-news .reach__foot {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
  border-left: 2px solid var(--teal-deep);
  padding-left: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-news .notes-head__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .recent-strip__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 20px;
  }

  .page-news .recent-item {
    grid-template-columns: 22px minmax(0, 1fr);
    border-bottom: 0;
    border-top: 1px dashed rgba(247, 245, 239, .26);
  }

  .page-news .series-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .reach__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .reach-card--ghost {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-news .feature {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
  }

  .page-news .feature__visual {
    margin-top: clamp(0px, 2.4vw, 34px);
  }

  .page-news .notes-index {
    grid-template-columns: minmax(0, 1fr) 272px;
    align-items: start;
  }

  .page-news .notes-aside {
    position: sticky;
    top: 24px;
  }

  .page-news .note {
    grid-template-columns: 3rem minmax(0, 1fr) 12.5rem;
    align-items: start;
    column-gap: 1.2rem;
  }

  .page-news .note__no {
    grid-row: 1;
    font-size: 15px;
  }

  .page-news .note__main {
    grid-column: 2;
  }

  .page-news .note__meta {
    grid-column: 3;
    justify-content: flex-end;
    margin-top: 4px;
    text-align: right;
  }

  .page-news .cadence {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }

  .page-news .series-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .reach__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr);
  }

  .page-news .reach-card--ghost {
    grid-column: auto;
  }
}

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