.page-news {
  --news-line: var(--rule);
  --news-card: var(--paper-white);
  background: var(--paper);
  color: var(--ink-800);
  font-family: var(--font-sans);
  padding: 20px 20px 72px;
  box-sizing: border-box;
}

.page-news *,
.page-news *::before,
.page-news *::after {
  box-sizing: border-box;
}

.page-news img {
  max-width: 100%;
  height: auto;
}

.page-news .crumbs {
  max-width: var(--maxw);
  margin: 0 auto 18px;
  font-size: 13px;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  gap: 26px;
  padding: 6px 0 4px;
  background-image: linear-gradient(118deg, transparent 0 60%, rgba(199, 67, 31, 0.07) 60% 100%);
}

.page-news .news-hero__text {
  min-width: 0;
}

.page-news .eyebrow {
  margin: 0;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--orange-deep);
}

.page-news .news-hero h1 {
  margin: 10px 0 16px;
  font-size: clamp(30px, 5vw, 50px);
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--ink-900);
}

.page-news .news-hero .lead {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.9;
  color: var(--stone-600);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-news .news-hero__panel {
  position: relative;
  background: var(--ink-900);
  color: var(--paper);
  padding: 24px 22px 22px;
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
  box-shadow: 0 22px 44px -32px rgba(20, 40, 63, 0.95);
}

.page-news .news-bigver {
  display: block;
  font-size: 34px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--orange-soft);
}

.page-news .news-hero__panel-title {
  margin: 8px 0 16px;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: #9EAAB0;
}

.page-news .news-hero__facts {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .news-hero__facts li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding-bottom: 9px;
  border-bottom: 1px solid rgba(246, 241, 231, 0.16);
}

.page-news .news-hero__facts span {
  font-size: 12px;
  color: #8C9BA1;
}

.page-news .news-hero__facts b {
  font-size: 14px;
  font-weight: 600;
  color: var(--paper);
  line-height: 1.5;
}

.page-news .news-hero__panel-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: #B9C3C8;
  padding-left: 12px;
  border-left: 2px solid var(--orange);
}

/* ---------- 刻度图 ---------- */
.page-news .news-scales {
  max-width: var(--maxw);
  margin: 30px auto 0;
}

.page-news .news-scales img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 5;
  object-fit: cover;
  border: 1px solid var(--news-line);
}

.page-news .news-scales figcaption {
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--stone-400);
}

/* ---------- 版本卡片 ---------- */
.page-news .news-versions {
  max-width: var(--maxw);
  margin: 50px auto 0;
}

.page-news .section-head {
  max-width: 44em;
  margin-bottom: 24px;
}

.page-news .section-head h2 {
  margin: 8px 0 12px;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.26;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-news .section-head > p:not(.eyebrow) {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--stone-600);
}

.page-news .version-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

.page-news .version-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px 18px 18px;
  background: var(--news-card);
  border: 1px solid var(--news-line);
  border-top: 4px solid var(--ink-700);
  min-width: 0;
}

.page-news .version-card--lead {
  border-top-color: var(--orange);
}

.page-news .version-card__head {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.page-news .version-card__head .badge-version {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink-900);
  padding: 2px 9px;
  border: 1px solid var(--ink-900);
}

.page-news .version-card h3 {
  margin: 0;
  font-size: 19px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--ink-900);
}

.page-news .version-card > p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--stone-600);
}

.page-news .version-card img {
  display: block;
  width: 100%;
  margin-top: 4px;
  border: 1px solid var(--news-line);
  object-fit: cover;
}

.page-news .version-more {
  margin-top: auto;
  border-top: 1px dashed var(--news-line);
  padding-top: 10px;
}

.page-news .version-more summary {
  cursor: pointer;
  list-style: none;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-700);
  padding: 4px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-news .version-more summary::-webkit-details-marker {
  display: none;
}

.page-news .version-more summary::before {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: #fff;
  background: var(--orange);
  flex: none;
}

.page-news .version-more[open] summary::before {
  content: "−";
}

.page-news .version-more summary:focus-visible {
  outline: 2px solid var(--ink-900);
  outline-offset: 2px;
}

.page-news .version-more ul {
  margin: 10px 0 0;
  padding: 0 0 0 18px;
  display: grid;
  gap: 8px;
}

.page-news .version-more li {
  font-size: 13px;
  line-height: 1.8;
  color: var(--stone-600);
}

.page-news .version-compare {
  margin: 0;
  padding: 12px;
  background: var(--news-card);
  border: 1px solid var(--news-line);
}

.page-news .version-compare img {
  display: block;
  width: 100%;
  object-fit: cover;
}

.page-news .version-compare figcaption {
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--stone-400);
}

/* ---------- 维护节奏 ---------- */
.page-news .news-cadence {
  max-width: var(--maxw);
  margin: 52px auto 0;
  padding: 30px 22px;
  background: var(--ink-900);
  color: var(--paper);
  display: grid;
  gap: 26px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-news .news-cadence .eyebrow {
  color: var(--orange-soft);
}

.page-news .news-cadence h2 {
  margin: 8px 0 12px;
  font-size: clamp(21px, 3vw, 28px);
  line-height: 1.32;
  font-weight: 800;
  color: var(--paper);
}

.page-news .cadence-copy p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: #B9C3C8;
}

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

.page-news .cadence-list li {
  padding-top: 12px;
  border-top: 1px solid rgba(246, 241, 231, 0.22);
  min-width: 0;
}

.page-news .cadence-list span {
  display: block;
  font-size: 26px;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--orange-soft);
}

.page-news .cadence-list p {
  margin: 6px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: #A6B2B8;
}

/* ---------- 条目清单 ---------- */
.page-news .news-log {
  max-width: var(--maxw);
  margin: 52px auto 0;
}

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  margin: 20px 0 4px;
}

.page-news .filter-bar .chip {
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--stone-400);
  background: transparent;
  color: var(--stone-600);
  transition: background-color 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}

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

.page-news .filter-bar .chip[aria-pressed="true"] {
  background: var(--orange);
  border-color: var(--orange);
  color: #fff;
}

.page-news .filter-bar .chip:focus-visible {
  outline: 2px solid var(--ink-900);
  outline-offset: 2px;
}

.page-news .filter-count {
  margin-left: auto;
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--stone-600);
  padding: 5px 11px;
  border: 1px solid var(--news-line);
  border-radius: 999px;
  background: var(--news-card);
}

.page-news .news-log__empty {
  margin: 16px 0 0;
  padding: 14px 16px;
  background: var(--news-card);
  border: 1px dashed var(--news-line);
  font-size: 14px;
  color: var(--stone-600);
}

.page-news .news-log__empty[hidden] {
  display: none;
}

.page-news .log-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
  position: relative;
}

.page-news .log-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  position: relative;
  min-width: 0;
}

.page-news .log-item__marker {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--orange-deep);
  letter-spacing: 0.04em;
}

.page-news .log-item__body {
  min-width: 0;
  padding: 15px 16px 16px;
  background: var(--news-card);
  border: 1px solid var(--news-line);
  border-left: 3px solid var(--orange-soft);
  transition: border-left-color 0.18s var(--ease);
}

.page-news .log-item__body:hover {
  border-left-color: var(--orange);
}

.page-news .log-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  margin-bottom: 7px;
}

.page-news .log-item__when {
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--stone-400);
}

.page-news .log-item__body h3 {
  margin: 0 0 6px;
  font-size: 17px;
  line-height: 1.45;
  font-weight: 700;
}

.page-news .log-item__body h3 a {
  color: var(--ink-900);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-news .log-item__body h3 a:hover {
  color: var(--orange-deep);
  border-bottom-color: var(--orange);
}

.page-news .log-item__body h3 a:focus-visible {
  outline: 2px solid var(--ink-900);
  outline-offset: 3px;
}

.page-news .log-item__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--stone-600);
}

.page-news .log-item__go {
  display: inline-block;
  margin-top: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-700);
  text-decoration: none;
  border-bottom: 1px solid var(--news-line);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-news .log-item__go::after {
  content: " →";
}

.page-news .log-item__go:hover {
  color: var(--orange-deep);
  border-bottom-color: var(--orange);
}

.page-news .log-item__go:focus-visible {
  outline: 2px solid var(--ink-900);
  outline-offset: 3px;
}

.page-news .is-filtered {
  display: none;
}

/* ---------- 后续入口 ---------- */
.page-news .news-next {
  max-width: var(--maxw);
  margin: 56px auto 0;
  display: grid;
  gap: 24px;
}

.page-news .news-next h2 {
  margin: 8px 0 12px;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.3;
  font-weight: 800;
  color: var(--ink-900);
}

.page-news .news-next__intro p:last-child {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--stone-600);
}

.page-news .news-next__links {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

.page-news .next-card {
  display: block;
  padding: 18px 16px 16px;
  background: var(--news-card);
  border: 1px solid var(--news-line);
  border-top: 3px solid var(--ink-700);
  text-decoration: none;
  transition: border-top-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-news .next-card:hover {
  border-top-color: var(--orange);
  transform: translateY(-2px);
}

.page-news .next-card:focus-visible {
  outline: 2px solid var(--ink-900);
  outline-offset: 3px;
}

.page-news .next-card__label {
  display: block;
  margin-bottom: 6px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink-900);
}

.page-news .next-card__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--stone-600);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-news {
    padding: 24px 28px 80px;
  }

  .page-news .news-hero__panel {
    padding: 28px 26px 24px;
  }

  .page-news .version-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-news .version-card--lead {
    grid-column: span 2;
  }

  .page-news .version-compare {
    grid-column: span 2;
  }

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

@media (min-width: 900px) {
  .page-news .news-hero {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 36px;
    align-items: start;
    padding-top: 12px;
  }

  .page-news .news-hero__panel {
    margin-top: 6px;
  }

  .page-news .news-cadence {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 44px;
    padding: 38px 36px;
    align-items: start;
  }

  .page-news .news-next {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 36px;
    align-items: start;
  }

  .page-news .log-list::before {
    content: "";
    position: absolute;
    top: 10px;
    bottom: 10px;
    left: 105px;
    width: 1px;
    background: var(--news-line);
  }

  .page-news .log-item {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 28px;
    align-items: start;
  }

  .page-news .log-item__marker {
    justify-content: flex-end;
    padding-top: 18px;
    position: relative;
  }

  .page-news .log-item__marker::after {
    content: "";
    position: absolute;
    right: -16px;
    top: 24px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--paper);
    border: 2px solid var(--orange);
  }
}

@media (min-width: 1100px) {
  .page-news {
    padding: 28px 48px 96px;
  }

  .page-news .version-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 20px;
  }

  .page-news .version-card--lead {
    grid-column: span 8;
  }

  .page-news .version-card:not(.version-card--lead) {
    grid-column: span 4;
  }

  .page-news .version-compare {
    grid-column: span 8;
    align-self: stretch;
    display: flex;
    flex-direction: column;
  }

  .page-news .version-compare img {
    flex: 1;
    min-height: 0;
    height: 100%;
  }

  .page-news .cadence-list {
    gap: 22px 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .next-card,
  .page-news .log-item__body,
  .page-news .filter-bar .chip {
    transition: none;
  }

  .page-news .next-card:hover {
    transform: none;
  }
}