.page-news {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-news .notes-hero {
  padding: 20px 0 44px;
  background: var(--paper);
  border-bottom: 1px solid var(--line-light);
}

.page-news .notes-hero__grid {
  display: grid;
  gap: 28px;
  margin-top: 26px;
}

.page-news .notes-hero__kicker {
  margin: 0 0 12px;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--stone);
  font-variant-numeric: tabular-nums;
}

.page-news .notes-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.5rem, 10vw, 4.75rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--indigo-900);
}

.page-news .notes-hero__lede {
  margin: 0;
  max-width: 34em;
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--ink);
}

.page-news .key {
  font-weight: 700;
}

.page-news .key::before {
  content: "▍";
  color: var(--red);
  margin-right: 1px;
}

.page-news .notes-status {
  background: var(--paper-hi);
  border: 1px solid var(--line-light);
  padding: 20px 20px 8px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-news .notes-status__title {
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-light);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 0.9375rem;
  letter-spacing: 0.06em;
  color: var(--indigo-900);
}

.page-news .notes-status__row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  font-size: 0.875rem;
  border-bottom: 1px dashed var(--line-light);
}

.page-news .notes-status__row:last-child {
  border-bottom: 0;
}

.page-news .notes-status__label {
  color: var(--stone);
  flex: 0 0 68px;
}

.page-news .notes-status__value {
  color: var(--indigo-900);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

/* ---------- 头条 ---------- */
.page-news .lead-story {
  position: relative;
  overflow: hidden;
  background: var(--indigo-900);
  color: var(--paper);
  padding: 52px 0 56px;
}

.page-news .lead-story__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  filter: saturate(0.6);
}

.page-news .lead-story::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 27, 51, 0.5) 0%, rgba(15, 27, 51, 0.92) 72%);
  pointer-events: none;
}

.page-news .lead-story__inner {
  position: relative;
  z-index: 1;
}

.page-news .lead-story__kicker {
  margin: 0 0 16px;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--ochre);
  font-weight: 700;
}

.page-news .lead-story__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.75rem, 5.2vw, 2.9rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--paper-hi);
}

.page-news .lead-story__note {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--mist);
  letter-spacing: 0.02em;
}

.page-news .lead-story__side {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--line-dark);
}

.page-news .lead-story__sum {
  margin: 0 0 22px;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(246, 241, 231, 0.88);
}

.page-news .lead-facts {
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .lead-facts__row {
  display: grid;
  gap: 4px;
  padding-left: 12px;
  border-left: 2px solid var(--ochre);
}

.page-news .lead-facts dt {
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: var(--ochre);
}

.page-news .lead-facts dd {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(246, 241, 231, 0.9);
}

/* ---------- 条目区 ---------- */
.page-news .notes-feed {
  padding: 52px 0 60px;
  background: var(--paper);
}

.page-news .notes-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  column-gap: 16px;
  row-gap: 10px;
  margin-bottom: 30px;
}

.page-news .notes-num {
  font-family: var(--font-mono);
  font-size: clamp(1.9rem, 7vw, 3.2rem);
  line-height: 1;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--red);
}

.page-news .notes-num--light {
  color: var(--ochre);
}

.page-news .notes-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 4.6vw, 2.15rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--indigo-900);
}

.page-news .notes-head__sub {
  grid-column: 2;
  margin: 0;
  max-width: 32em;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--stone);
}

.page-news .notes-head--light h2 {
  color: var(--paper-hi);
}

.page-news .notes-head--light .notes-head__sub {
  color: rgba(246, 241, 231, 0.72);
}

/* 筛选 */
.page-news .notes-filter {
  position: relative;
}

.page-news .filter-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

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

.page-news .filter-chip {
  display: inline-block;
  padding: 7px 14px;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--ink);
  background: var(--paper-hi);
  border: 1px solid var(--line-light);
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
}

.page-news .filter-input:focus-visible ~ .filter-bar .filter-chip {
  outline: 2px solid var(--red);
  outline-offset: 2px;
}

.page-news #nf-all:checked ~ .filter-bar label[for="nf-all"],
.page-news #nf-ver:checked ~ .filter-bar label[for="nf-ver"],
.page-news #nf-sec:checked ~ .filter-bar label[for="nf-sec"],
.page-news #nf-tut:checked ~ .filter-bar label[for="nf-tut"],
.page-news #nf-dev:checked ~ .filter-bar label[for="nf-dev"] {
  background: var(--indigo-900);
  border-color: var(--indigo-900);
  color: var(--paper);
}

.page-news #nf-ver:checked ~ .note-list .note-item:not(.note-item--ver),
.page-news #nf-sec:checked ~ .note-list .note-item:not(.note-item--sec),
.page-news #nf-tut:checked ~ .note-list .note-item:not(.note-item--tut),
.page-news #nf-dev:checked ~ .note-list .note-item:not(.note-item--dev) {
  display: none;
}

/* 列表 */
.page-news .note-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-news .note-item {
  border-top: 1px solid var(--line-light);
  padding: 22px 0;
}

.page-news .note-item:last-child {
  border-bottom: 1px solid var(--line-light);
}

.page-news .note-item__time {
  display: block;
  margin-bottom: 10px;
  padding-left: 10px;
  border-left: 2px dashed var(--stone);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--stone);
  font-variant-numeric: tabular-nums;
}

.page-news .note-tag {
  display: inline-block;
  margin-bottom: 8px;
  padding: 2px 9px;
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--paper-hi);
  background: var(--indigo-700);
}

.page-news .note-tag--ver {
  background: var(--red);
}

.page-news .note-tag--sec {
  background: var(--teal);
}

.page-news .note-tag--tut {
  background: var(--ochre);
  color: var(--indigo-900);
  font-weight: 700;
}

.page-news .note-tag--dev {
  background: var(--indigo-500);
}

.page-news .note-item__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.0625rem;
  line-height: 1.45;
  letter-spacing: -0.005em;
  color: var(--indigo-900);
}

.page-news .note-item__sum {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--ink);
}

.page-news .note-item__more {
  margin-top: 10px;
  font-size: 0.875rem;
}

.page-news .note-item__more summary {
  list-style: none;
  cursor: pointer;
  color: var(--indigo-500);
  letter-spacing: 0.02em;
}

.page-news .note-item__more summary::-webkit-details-marker {
  display: none;
}

.page-news .note-item__more summary::before {
  content: "＋ ";
  color: var(--red);
  font-weight: 700;
}

.page-news .note-item__more[open] summary::before {
  content: "－ ";
}

.page-news .note-item__more p {
  margin: 10px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--mist);
  line-height: 1.8;
  color: var(--stone);
}

.page-news .note-item__thumb {
  margin: 16px 0 0;
  aspect-ratio: 8 / 5;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-news .note-item__thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .note-item--lead .note-item__title {
  font-size: clamp(1.25rem, 3.4vw, 1.75rem);
}

.page-news .note-item--lead .note-item__sum {
  font-size: 1rem;
}

.page-news .note-item:nth-child(n + 7) {
  padding: 16px 0;
}

.page-news .note-item:nth-child(n + 7) .note-item__title {
  font-size: 0.9375rem;
  line-height: 1.5;
}

.page-news .note-item:nth-child(n + 7) .note-item__sum {
  font-size: 0.875rem;
}

/* ---------- 专题 ---------- */
.page-news .notes-topics {
  background: var(--indigo-900);
  padding: 52px 0 48px;
}

.page-news .topics-rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 78%;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 16px;
  -webkit-overflow-scrolling: touch;
}

.page-news .topics-rail:focus-visible {
  outline: 2px solid var(--ochre);
  outline-offset: 4px;
}

.page-news .topic-card {
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  padding: 20px;
  background: var(--indigo-700);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-news .topic-card__thumb {
  margin: 0 0 16px;
  aspect-ratio: 8 / 5;
  overflow: hidden;
}

.page-news .topic-card__thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .topic-card__count {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--ochre);
  font-variant-numeric: tabular-nums;
}

.page-news .topic-card__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.1875rem;
  line-height: 1.3;
  color: var(--paper-hi);
}

.page-news .topic-card__desc {
  margin: 0 0 18px;
  font-size: 0.875rem;
  line-height: 1.75;
  color: rgba(246, 241, 231, 0.78);
}

.page-news .topic-card__link {
  margin-top: auto;
  align-self: flex-start;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--paper-hi);
  text-decoration: none;
  border-bottom: 1px solid var(--ochre);
  padding-bottom: 2px;
}

/* ---------- 节奏 ---------- */
.page-news .notes-cadence {
  background: var(--paper-hi);
  padding: 52px 0 56px;
  border-top: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
}

.page-news .notes-cadence__grid {
  display: grid;
  gap: 32px;
}

.page-news .cadence-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-news .cadence-item {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-light);
}

.page-news .cadence-item:first-child {
  border-top: 1px solid var(--line-light);
}

.page-news .cadence-item__cycle {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--red);
  letter-spacing: 0.04em;
  padding-top: 3px;
}

.page-news .cadence-item__body h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.0625rem;
  color: var(--indigo-900);
}

.page-news .cadence-item__body p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--stone);
}

.page-news .notes-cadence__link {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--stone);
}

.page-news .notes-cadence__link a {
  color: var(--indigo-500);
  text-decoration: none;
  border-bottom: 1px solid var(--indigo-500);
}

.page-news .notes-cadence__figure {
  margin: 0;
  max-width: 320px;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--paper);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-news .notes-cadence__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 回访 ---------- */
.page-news .notes-follow {
  background: var(--paper);
  padding: 52px 0 64px;
}

.page-news .follow-panel {
  display: grid;
  gap: 28px;
  padding: 30px 22px;
  background: var(--indigo-900);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-news .follow-panel .notes-head {
  margin-bottom: 20px;
}

.page-news .follow-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .follow-steps li {
  position: relative;
  padding-left: 22px;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: rgba(246, 241, 231, 0.86);
}

.page-news .follow-steps li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 10px;
  height: 2px;
  background: var(--ochre);
}

.page-news .follow-panel__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  align-content: start;
}

.page-news .follow-panel__note {
  flex: 1 0 100%;
  margin: 4px 0 0;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: rgba(246, 241, 231, 0.62);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-news .notes-hero {
    padding: 26px 0 56px;
  }

  .page-news .note-item {
    display: grid;
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 24px;
  }

  .page-news .note-item__time {
    margin-bottom: 0;
    padding-top: 3px;
  }

  .page-news .note-item--lead .note-item__body {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 28px;
    align-items: start;
  }

  .page-news .note-item--lead .note-item__thumb {
    margin: 0;
  }

  .page-news .notes-cadence__grid {
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 48px;
    align-items: start;
  }

  .page-news .follow-panel {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 40px;
    padding: 40px 36px;
  }
}

@media (min-width: 900px) {
  .page-news .notes-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 64px;
    align-items: end;
  }

  .page-news .lead-story {
    padding: 64px 0 72px;
  }

  .page-news .lead-story__side {
    margin-top: 0;
    padding-top: 0;
    border-top: 0;
  }

  .page-news .notes-feed {
    padding: 64px 0 76px;
  }

  .page-news .note-list {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    column-gap: 56px;
  }

  .page-news .note-item--lead {
    grid-column: 1 / -1;
  }

  .page-news .note-item:last-child {
    border-bottom: 0;
  }

  .page-news .topics-rail {
    grid-auto-columns: 320px;
    gap: 20px;
  }

  .page-news .notes-topics {
    padding: 64px 0 60px;
  }

  .page-news .notes-cadence {
    padding: 64px 0 68px;
  }
}

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