.page-news {
  --n-card-gap: 14px;
  --n-cap: 68ch;
}

.page-news .n-hero {
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
}

.page-news .n-hero__title {
  margin: 10px 0 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-size: clamp(28px, 7vw, 44px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-news .n-hero__lead {
  margin: 14px 0 0;
  max-width: var(--n-cap);
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .n-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 20px 0 0;
  padding: 12px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
  font-size: 13px;
  color: var(--muted);
}

.page-news .n-hero__meta li {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.page-news .n-hero__meta .mono {
  font-size: 15px;
  color: var(--lime);
}

.page-news .n-hero__figure {
  margin: 20px 0 0;
}

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

.page-news .n-rail,
.page-news .n-latest,
.page-news .n-versions,
.page-news .n-taxonomy,
.page-news .n-cadence,
.page-news .n-rules,
.page-news .n-fields,
.page-news .n-paths {
  margin-top: 38px;
}

/* 分类胶囊轨道 */
.page-news .n-rail__list {
  display: flex;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-news .n-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  color: var(--paper);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-news .n-pill:hover,
.page-news .n-pill:focus-visible {
  border-color: var(--lime);
  background: var(--panel-deep);
}

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

.page-news .n-pill__dot {
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--muted);
}

.page-news .n-pill__dot--lime { background: var(--lime); }
.page-news .n-pill__dot--teal { background: var(--teal); }
.page-news .n-pill__dot--amber { background: var(--amber); }
.page-news .n-pill__dot--paper { background: var(--paper); }
.page-news .n-pill__dot--muted { background: var(--muted); }

/* 文章卡错位流 */
.page-news .n-flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--n-card-gap);
  margin-top: 14px;
}

.page-news .n-card {
  position: relative;
  padding: 15px 16px 14px 18px;
  border: 1px solid var(--line);
  background: var(--panel-deep);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-news .n-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--teal);
}

.page-news .n-card--version::before { background: var(--lime); }
.page-news .n-card--field::before { background: var(--amber); }
.page-news .n-card--taxonomy::before { background: var(--paper); }
.page-news .n-card--notice::before { background: var(--muted); }

.page-news .n-card:hover,
.page-news .n-card:focus-within {
  border-color: #2B5546;
  background: var(--panel);
}

.page-news .n-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 11px;
  color: var(--muted);
}

.page-news .n-card__meta .mono {
  letter-spacing: 0.06em;
}

.page-news .n-card__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  line-height: 1.42;
  letter-spacing: -0.01em;
}

.page-news .n-card__title a {
  color: var(--paper);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-news .n-card__title a:hover,
.page-news .n-card__title a:focus-visible {
  color: var(--lime);
}

.page-news .n-card__digest {
  margin: 8px 0 0;
  max-height: 3.6em;
  overflow: hidden;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
  transition: max-height 200ms var(--ease), color 200ms var(--ease);
}

.page-news .n-card__time {
  margin: 10px 0 0;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--teal);
}

/* 版本对照 */
.page-news .n-versions__lead {
  margin: 12px 0 0;
  max-width: var(--n-cap);
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .n-versions__figure {
  margin: 16px 0 0;
}

.page-news .n-compare__scroll {
  margin-top: 16px;
  padding-bottom: 6px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-news .n-compare {
  display: grid;
  grid-template-columns: repeat(2, minmax(300px, 1fr));
  gap: var(--n-card-gap);
  min-width: 640px;
}

.page-news .n-compare__col {
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-news .n-compare__col--now {
  border-color: rgba(200, 255, 61, 0.45);
}

.page-news .n-compare__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-news .n-compare__col--now .n-compare__head {
  color: var(--paper);
}

.page-news .n-group {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
}

.page-news .n-group:last-child {
  border-bottom: 0;
}

.page-news .n-group__label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-news .n-group__label::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
}

.page-news .n-group--new .n-group__label::before {
  background: var(--lime);
}

.page-news .n-group__list {
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .n-group__list li {
  position: relative;
  padding: 6px 0 6px 14px;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
  line-height: 1.66;
  color: var(--paper);
}

.page-news .n-group__list li:last-child {
  border-bottom: 0;
}

.page-news .n-group__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 6px;
  height: 2px;
  background: var(--line);
}

.page-news .n-group--new .n-group__list li::before {
  background: var(--lime);
}

/* 分类体系 */
.page-news .n-taxonomy__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 14px;
}

.page-news .n-taxonomy__text p {
  margin: 0 0 12px;
  max-width: var(--n-cap);
  font-size: 15px;
  line-height: 1.82;
  color: var(--paper);
}

.page-news .n-taxonomy__text p:last-child {
  margin-bottom: 0;
}

.page-news .n-quad {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .n-quad__item {
  padding: 12px;
  border: 1px solid var(--line);
  background: var(--panel-deep);
}

.page-news .n-quad__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .n-quad__desc {
  margin: 6px 0 0;
  font-size: 12.5px;
  line-height: 1.62;
  color: var(--muted);
}

.page-news .n-taxonomy__figure {
  margin: 16px 0 0;
}

/* 版本节奏 */
.page-news .n-cadence__lead {
  margin: 12px 0 0;
  max-width: var(--n-cap);
  font-size: 15px;
  line-height: 1.82;
  color: var(--muted);
}

.page-news .n-track {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
  background: var(--panel-deep);
}

.page-news .n-track__step {
  padding: 14px;
  border-bottom: 1px solid var(--line);
}

.page-news .n-track__step:last-child {
  border-bottom: 0;
}

.page-news .n-track__step--now {
  background: rgba(200, 255, 61, 0.05);
  box-shadow: inset 3px 0 0 var(--lime);
}

.page-news .n-track__ver {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-news .n-track__step--now .n-track__ver {
  color: var(--lime);
}

.page-news .n-track__desc {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--paper);
}

.page-news .n-cadence__more,
.page-news .n-fields__more {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .n-cadence__more a,
.page-news .n-fields__more a,
.page-news .n-outro a,
.page-news .n-path__steps a {
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 规则解读 */
.page-news .n-rules__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 14px;
}

.page-news .n-rules__text h3 {
  margin: 18px 0 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .n-rules__text h3:first-child {
  margin-top: 0;
}

.page-news .n-rules__text h3::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 8px;
  background: var(--lime);
  transform: translateY(-1px);
}

.page-news .n-rules__text p {
  margin: 8px 0 0;
  max-width: var(--n-cap);
  font-size: 15px;
  line-height: 1.82;
  color: var(--muted);
}

.page-news .n-rules__figure {
  margin: 0;
}

/* 字段清单 */
.page-news .n-fieldlist {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

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

.page-news .n-field__key {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--lime);
}

.page-news .n-field__val {
  font-size: 14px;
  line-height: 1.76;
  color: var(--paper);
}

/* 阅读路径 */
.page-news .n-paths__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--n-card-gap);
  margin-top: 14px;
}

.page-news .n-path {
  padding: 16px;
  border: 1px solid var(--line);
  background: var(--panel-deep);
}

.page-news .n-path__label {
  margin: 0;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .n-path__steps {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: nstep;
}

.page-news .n-path__steps li {
  position: relative;
  counter-increment: nstep;
  padding: 0 0 16px 32px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .n-path__steps li:last-child {
  padding-bottom: 0;
}

.page-news .n-path__steps li::before {
  content: counter(nstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--ink);
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--lime);
}

.page-news .n-path__steps li::after {
  content: "";
  position: absolute;
  left: 11px;
  top: 25px;
  bottom: 4px;
  width: 1px;
  background: var(--line);
}

.page-news .n-path__steps li:last-child::after {
  display: none;
}

/* 结尾引导 */
.page-news .n-outro {
  margin: 30px 0 40px;
  padding: 16px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--lime);
  background: var(--panel-deep);
}

.page-news .n-outro p {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--muted);
}

@media (min-width: 480px) {
  .page-news .n-quad {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-news .n-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .n-flow > .n-card:nth-child(even) {
    margin-top: 46px;
  }

  .page-news .n-card__digest {
    max-height: 1.7em;
  }

  .page-news .n-card:hover .n-card__digest,
  .page-news .n-card:focus-within .n-card__digest {
    max-height: 3.6em;
  }

  .page-news .n-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .n-track__step {
    border-bottom: 0;
    border-right: 1px solid var(--line);
  }

  .page-news .n-track__step:last-child {
    border-right: 0;
  }

  .page-news .n-field {
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 14px;
    align-items: baseline;
  }
}

@media (min-width: 860px) {
  .page-news .n-paths__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news .n-compare {
    min-width: 0;
  }

  .page-news .n-taxonomy__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 20px;
  }
}

@media (min-width: 960px) {
  .page-news .n-rules__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 22px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .n-card,
  .page-news .n-pill,
  .page-news .n-card__digest,
  .page-news .n-card__title a {
    transition: none;
  }
}