.page-news {
  padding-bottom: clamp(64px, 10vw, 140px);
  color: var(--paper);
  font-family: var(--font-body);
}

.page-news .news-shell {
  display: block;
  max-width: 880px;
  margin-right: auto;
  padding-top: clamp(20px, 4vw, 36px);
}

.page-news .breadcrumb {
  margin-bottom: clamp(28px, 5vw, 56px);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding-bottom: clamp(8px, 2vw, 16px);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: -12% -8% auto auto;
  width: min(320px, 60%);
  height: 260px;
  background: linear-gradient(140deg, rgba(61, 224, 240, 0.14), rgba(11, 44, 67, 0) 70%);
  border-radius: 48px 24px 48px 24px;
  transform: rotate(-12deg);
  pointer-events: none;
  z-index: 0;
}

.page-news .news-hero > * {
  position: relative;
  z-index: 1;
}

.page-news .news-hero__title {
  display: flex;
  flex-direction: column;
  margin: 0 0 clamp(20px, 3vw, 30px);
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 10vw, 5.4rem);
  font-weight: 800;
  line-height: 0.94;
  letter-spacing: -0.02em;
}

.page-news .news-hero__title span:last-child {
  color: var(--fog);
}

.page-news .news-hero__lead {
  max-width: 46ch;
  margin: 0 0 clamp(24px, 4vw, 36px);
  font-size: 1rem;
  line-height: 1.85;
  color: var(--fog);
}

.page-news .news-hero__status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  padding: 14px 20px;
  border: 1px solid var(--line);
  border-radius: 24px 12px 24px 12px;
  background: rgba(11, 44, 67, 0.55);
}

.page-news .news-hero__status-label {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--fog);
}

.page-news .news-hero__ver {
  font-size: 1rem;
  color: var(--mist);
  background: rgba(61, 224, 240, 0.1);
  border: 1px solid rgba(61, 224, 240, 0.35);
  border-radius: 8px;
  padding: 4px 10px;
  cursor: pointer;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .news-hero__ver:hover,
.page-news .news-hero__ver:focus-visible {
  background: rgba(61, 224, 240, 0.2);
  border-color: var(--signal);
}

.page-news .news-hero__status-note {
  font-size: 0.8125rem;
  color: var(--fog);
}

/* ---------- 目录索引 ---------- */
.page-news .news-index {
  margin: clamp(32px, 5vw, 56px) 0 0;
  padding: 0;
  list-style: none;
}

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

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

.page-news .news-index__row a {
  position: relative;
  display: grid;
  grid-template-columns: 2.2rem 1fr;
  align-items: center;
  gap: 16px;
  padding: 15px 0 15px 34px;
  color: var(--paper);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-news .news-index__row a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 2px;
  height: 2px;
  background: var(--signal);
  transform: translateY(-50%);
  transition: width var(--dur) var(--ease);
}

.page-news .news-index__row a:hover,
.page-news .news-index__row a:focus-visible {
  color: var(--mist);
}

.page-news .news-index__row a:hover::before,
.page-news .news-index__row a:focus-visible::before {
  width: 26px;
}

.page-news .news-index__no {
  color: var(--fog);
  font-size: 0.8125rem;
}

.page-news .news-index__text {
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.5;
}

.page-news .news-index__row a:hover .news-index__text {
  font-weight: 700;
}

/* ---------- 区块骨架 ---------- */
.page-news .news-block {
  margin-top: clamp(56px, 9vw, 104px);
}

.page-news .news-block__head {
  max-width: 62ch;
  margin-bottom: clamp(24px, 4vw, 36px);
}

.page-news .news-block__head .section__lead {
  margin-top: 12px;
  color: var(--fog);
  line-height: 1.85;
}

/* ---------- 最新一期 ---------- */
.page-news .news-latest {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid var(--line);
  border-radius: 32px 16px 32px 16px;
  background: rgba(11, 44, 67, 0.6);
}

.page-news .news-latest__list {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-latest__list li {
  position: relative;
  padding: 10px 0 10px 22px;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--paper);
  border-top: 1px solid rgba(30, 74, 99, 0.7);
}

.page-news .news-latest__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 10px;
  height: 1px;
  background: var(--signal);
}

.page-news .news-latest__note {
  margin: 18px 0 0;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--fog);
}

.page-news .news-fig {
  margin: 0;
}

.page-news .news-fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 24px 12px 24px 12px;
  background: var(--harbor);
}

.page-news .news-fig figcaption {
  margin-top: 10px;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--fog);
}

/* ---------- 标签 ---------- */
.page-news .news-legend {
  display: grid;
  gap: 8px;
  margin: 0 0 clamp(24px, 4vw, 36px);
  padding: 0;
  list-style: none;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--fog);
}

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

.page-news .n-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 2px 9px;
  border-radius: 999px;
  white-space: nowrap;
  color: var(--mist);
  background: rgba(61, 224, 240, 0.1);
}

.page-news .n-tag--structure {
  background: rgba(61, 224, 240, 0.2);
  color: var(--mist);
}

.page-news .n-tag--content {
  background: rgba(61, 224, 240, 0.13);
  color: var(--signal);
}

.page-news .n-tag--entry {
  background: rgba(61, 224, 240, 0.08);
  color: rgba(156, 242, 248, 0.85);
}

.page-news .n-tag--mobile {
  background: rgba(61, 224, 240, 0.05);
  color: var(--fog);
}

/* ---------- 年份分组 ---------- */
.page-news .era {
  margin-top: clamp(32px, 5vw, 52px);
}

.page-news .era:first-of-type {
  margin-top: 0;
}

.page-news .era__label {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
}

.page-news .era__name {
  font-size: clamp(1.9rem, 6.5vw, 3.2rem);
  color: rgba(168, 189, 203, 0.36);
}

.page-news .era__range {
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--fog);
}

/* ---------- 版本条目 ---------- */
.page-news .ver {
  border-bottom: 1px solid var(--line);
}

.page-news .ver:first-of-type {
  border-top: 1px solid var(--line);
}

.page-news .ver__head {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 0 16px 22px;
  cursor: pointer;
  list-style: none;
  transition: background var(--dur) var(--ease);
}

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

.page-news .ver__head::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 2px;
  background: var(--signal);
  opacity: 0.45;
  transition: opacity var(--dur) var(--ease);
}

.page-news .ver__head:hover,
.page-news .ver__head:focus-visible {
  background: rgba(18, 63, 91, 0.4);
}

.page-news .ver[open] .ver__head::before,
.page-news .ver__head:hover::before {
  opacity: 1;
}

.page-news .ver__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
}

.page-news .ver__num {
  font-size: 0.9375rem;
  font-variant-numeric: tabular-nums;
  color: var(--mist);
  letter-spacing: 0.02em;
}

.page-news .ver__when {
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--fog);
}

.page-news .ver__title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-news .ver__tags {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-news .ver__body {
  margin-left: 1px;
  padding: 0 0 20px 22px;
  border-left: 1px solid var(--line);
}

.page-news .ver__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .ver__list li {
  position: relative;
  padding: 6px 0 6px 18px;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--fog);
}

.page-news .ver__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 8px;
  height: 1px;
  background: var(--line);
}

.page-news .ver__meta {
  margin: 12px 0 0;
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  color: rgba(168, 189, 203, 0.75);
}

.page-news .news-archive__tail {
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 16px 20px;
  border-left: 2px solid var(--ember);
  border-radius: 0 16px 16px 0;
  background: rgba(255, 122, 51, 0.07);
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--fog);
}

/* ---------- 命名规则 ---------- */
.page-news .vparts__example {
  display: flex;
  align-items: baseline;
  gap: 2px;
  margin: 0 0 clamp(20px, 3vw, 30px);
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.page-news .seg--major {
  color: var(--mist);
}

.page-news .seg--minor {
  color: var(--signal);
}

.page-news .seg--rev {
  color: rgba(156, 242, 248, 0.65);
}

.page-news .seg--build {
  color: var(--fog);
}

.page-news .seg-dot {
  color: var(--line);
}

.page-news .vparts {
  display: grid;
  gap: 0;
  margin: 0 0 clamp(24px, 4vw, 36px);
}

.page-news .vparts__item {
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

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

.page-news .vparts__item dt {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 750;
  color: var(--paper);
}

.page-news .vparts__no {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--signal);
  letter-spacing: 0.04em;
}

.page-news .vparts__item dd {
  margin: 8px 0 0 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--fog);
}

/* ---------- 对照 ---------- */
.page-news .compare {
  display: grid;
  gap: 16px;
  margin-bottom: clamp(20px, 3vw, 28px);
}

.page-news .compare__panel {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 24px 12px 24px 12px;
  background: rgba(11, 44, 67, 0.5);
}

.page-news .compare__panel--now {
  border-color: rgba(61, 224, 240, 0.4);
  background: rgba(18, 63, 91, 0.6);
}

.page-news .compare__label {
  margin: 0 0 12px;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--fog);
}

.page-news .compare__panel--now .compare__label {
  color: var(--ember-soft);
}

.page-news .compare__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .compare__list li {
  padding: 7px 0 7px 16px;
  position: relative;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--paper);
  border-top: 1px solid rgba(30, 74, 99, 0.6);
}

.page-news .compare__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 6px;
  height: 1px;
  background: var(--line);
}

.page-news .compare__steps {
  margin: 0 0 clamp(24px, 4vw, 36px);
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.page-news .compare__steps li {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--fog);
}

.page-news .compare__steps li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-news .compare__no {
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  color: var(--signal);
}

/* ---------- 节奏 ---------- */
.page-news .cadence {
  display: grid;
  gap: 14px;
  margin: 0 0 clamp(24px, 4vw, 32px);
  padding: 0;
  list-style: none;
}

.page-news .cadence__item {
  padding: 16px 20px;
  border-radius: 20px 10px 20px 10px;
  background: rgba(11, 44, 67, 0.55);
  border: 1px solid var(--line);
}

.page-news .cadence__k {
  display: block;
  margin-bottom: 8px;
  font-size: 1rem;
  color: var(--signal);
  letter-spacing: 0.02em;
}

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

.page-news .cadence__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .news-hint {
  margin: 18px 0 0;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--fog);
}

.page-news .news-hint a {
  color: var(--mist);
}

/* ---------- 大版本 ---------- */
.page-news .eras {
  display: grid;
  gap: 0;
  margin: 0 0 clamp(16px, 3vw, 24px);
  padding: 0;
  list-style: none;
}

.page-news .eras__item {
  position: relative;
  padding: 16px 0 16px 0;
  border-top: 1px solid var(--line);
}

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

.page-news .eras__ver {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--mist);
  font-variant-numeric: tabular-nums;
}

.page-news .eras__year {
  margin-left: 12px;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--fog);
}

.page-news .eras__d {
  margin: 6px 0 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--fog);
}

.page-news .eras__item--current {
  border-left: 2px solid var(--ember);
  padding-left: 16px;
}

.page-news .eras__item--current .eras__ver {
  color: var(--ember-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .news-legend {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 28px;
  }

  .page-news .vparts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 32px;
  }

  .page-news .vparts__item:nth-child(2) {
    border-top: 1px solid var(--line);
  }

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

  .page-news .compare__steps li {
    grid-template-columns: 5.5rem 1fr;
    align-items: baseline;
    gap: 16px;
  }

  .page-news .compare__no {
    text-align: right;
  }
}

@media (min-width: 900px) {
  .page-news .news-latest {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-news .compare {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
    position: relative;
  }

  .page-news .compare::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 12%;
    bottom: 12%;
    width: 1px;
    background: linear-gradient(180deg, rgba(61, 224, 240, 0) 0%, rgba(61, 224, 240, 0.5) 50%, rgba(61, 224, 240, 0) 100%);
    transform: translateX(-50%);
  }

  .page-news .eras {
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 16px;
    border-top: 1px solid var(--line);
    padding-top: 18px;
  }

  .page-news .eras__item {
    border-top: 0;
    padding: 0;
  }

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

  .page-news .eras__ver {
    display: block;
  }

  .page-news .eras__year {
    display: block;
    margin: 4px 0 8px;
  }

  .page-news .eras__item--current {
    border-left: 0;
    border-top: 2px solid var(--ember);
    padding: 12px 0 0;
  }

  .page-news .era__label {
    margin-bottom: 8px;
  }
}

@media (min-width: 1100px) {
  .page-news .news-hero__title {
    font-size: clamp(4rem, 6.6vw, 5.6rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-index__row a::before,
  .page-news .ver__head,
  .page-news .ver__head::before,
  .page-news .news-hero__ver {
    transition: opacity var(--dur) var(--ease);
  }

  .page-news .news-index__row a:hover::before,
  .page-news .news-index__row a:focus-visible::before {
    width: 2px;
    opacity: 1;
  }
}