.page-news {
  --cat-release: var(--red);
  --cat-adjust: var(--gold);
  --cat-library: var(--jade);
  --cat-service: var(--ink-soft);
  --news-ink-fade: rgba(23, 20, 18, 0.05);
  background: var(--paper);
  color: var(--ink);
}

/* ========== 首屏档案头 ========== */
.page-news .news-masthead {
  padding: 18px 0 34px;
  background:
    repeating-linear-gradient(0deg, var(--news-ink-fade) 0 1px, transparent 1px 5px),
    var(--paper);
  border-bottom: var(--border);
}

.page-news .news-masthead__inner {
  display: grid;
  gap: 26px;
  margin-top: 20px;
}

.page-news .news-masthead h1 {
  font-family: var(--font-serif);
  font-size: clamp(32px, 8vw, 60px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 10px 0 0;
  color: var(--ink);
}

.page-news .news-masthead h1::after {
  content: "";
  display: block;
  width: 62px;
  height: 3px;
  background: var(--red);
  margin-top: 16px;
}

.page-news .news-masthead .lede {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-news .news-masthead__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

/* ========== 通用图框 ========== */
.page-news .news-figure {
  margin: 0;
  border: var(--border);
  box-shadow: var(--shadow-hard);
  background: var(--paper-light);
  overflow: hidden;
}

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

/* ========== 区块标题 ========== */
.page-news .news-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
}

.page-news .news-head h2 {
  font-family: var(--font-serif);
  font-size: clamp(24px, 5vw, 34px);
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--ink);
}

.page-news .news-head h2::after {
  content: "";
  display: block;
  width: 40px;
  height: 3px;
  background: var(--red);
  margin-top: 10px;
}

.page-news .news-head p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--line);
  max-width: 52ch;
}

/* ========== 最近三条 ========== */
.page-news .news-latest__inner {
  padding: 38px 0 4px;
}

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

.page-news .latest-card {
  display: flex;
  flex-direction: column;
  gap: 9px;
  height: 100%;
  padding: 16px;
  background: var(--paper-light);
  border: var(--border);
  border-left-width: 6px;
  border-left-color: var(--line);
  box-shadow: var(--shadow-soft);
}

.page-news .news-latest__list > li:first-child .latest-card {
  border-left-color: var(--red);
  background: var(--paper-light);
}

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

.page-news .latest-card h3 {
  font-family: var(--font-serif);
  font-size: 17.5px;
  line-height: 1.45;
  margin: 0;
  color: var(--ink);
}

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

/* ========== 分类徽标 ========== */
.page-news .cat-badge {
  display: inline-block;
  padding: 3px 9px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.5;
  border: 2px solid var(--ink);
  white-space: nowrap;
}

.page-news .cat-badge--release {
  background: var(--red);
  border-color: var(--red-deep);
  color: var(--paper-light);
}

.page-news .cat-badge--adjust {
  background: var(--gold-pale);
  border-color: var(--gold);
  color: var(--ink);
}

.page-news .cat-badge--library {
  background: var(--jade);
  border-color: var(--jade);
  color: var(--paper-light);
}

.page-news .cat-badge--service {
  background: var(--paper);
  border-color: var(--ink-soft);
  color: var(--ink-soft);
}

.page-news .news-card__time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--line);
}

/* ========== 时间轴区 ========== */
.page-news .news-timeline__inner {
  display: grid;
  gap: 28px;
  padding: 44px 0 48px;
}

.page-news .news-side__title {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.14em;
  margin: 0 0 14px;
  color: var(--ink);
}

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

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

.page-news .news-filter__chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 13px;
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  background: var(--paper-light);
  color: var(--ink);
  border: var(--border);
  box-shadow: 2px 2px 0 var(--ink);
  cursor: pointer;
  user-select: none;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.page-news .news-filter__chip:hover {
  transform: translate(-1px, -1px);
  background: var(--gold-pale);
}

.page-news .news-filter__radio:checked + .news-filter__chip {
  background: var(--red);
  border-color: var(--red-deep);
  color: var(--paper-light);
  box-shadow: 2px 2px 0 var(--red-deep);
}

.page-news .news-filter__radio:focus-visible + .news-filter__chip {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}

.page-news .news-side__figure {
  margin-top: 22px;
}

.page-news .news-side__note {
  margin: 14px 0 0;
  padding-left: 12px;
  border-left: 3px solid var(--gold);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ink-soft);
}

/* 分类筛选（纯 CSS，非支持浏览器自动全量显示） */
.page-news:has(#news-cat-release:checked) .news-item:not([data-cat="release"]),
.page-news:has(#news-cat-adjust:checked) .news-item:not([data-cat="adjust"]),
.page-news:has(#news-cat-library:checked) .news-item:not([data-cat="library"]),
.page-news:has(#news-cat-service:checked) .news-item:not([data-cat="service"]) {
  display: none;
}

/* ========== 公告流 ========== */
.page-news .news-stream {
  position: relative;
  list-style: none;
  margin: 24px 0 0;
  padding: 0 0 0 30px;
}

.page-news .news-stream::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--red), var(--gold) 48%, var(--jade));
  opacity: 0.5;
}

.page-news .news-item {
  position: relative;
  margin-bottom: 16px;
}

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

.page-news .news-item__dot {
  position: absolute;
  left: -30px;
  top: 20px;
  width: 16px;
  height: 16px;
  border: 2px solid var(--ink);
  background: var(--paper-light);
  box-shadow: 2px 2px 0 var(--ink);
  transition: transform 0.18s ease;
}

.page-news .news-item[data-cat="release"] .news-item__dot {
  background: var(--cat-release);
}

.page-news .news-item[data-cat="adjust"] .news-item__dot {
  background: var(--cat-adjust);
}

.page-news .news-item[data-cat="library"] .news-item__dot {
  background: var(--cat-library);
}

.page-news .news-item[data-cat="service"] .news-item__dot {
  background: var(--paper-light);
}

.page-news .news-item:hover .news-item__dot,
.page-news .news-item:focus-within .news-item__dot {
  transform: translateY(-2px) scale(1.12);
}

.page-news .news-card {
  padding: 16px;
  background: var(--paper-light);
  border: var(--border);
  box-shadow: var(--shadow-soft);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.page-news .news-item:hover .news-card,
.page-news .news-item:focus-within .news-card {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hard);
}

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

.page-news .news-card__title {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.45;
  margin: 11px 0 8px;
  color: var(--ink);
}

.page-news .news-card__summary {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-news .news-card__more {
  margin-top: 13px;
  padding-top: 11px;
  border-top: 1px dashed var(--line);
}

.page-news .news-card__more summary {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  cursor: pointer;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--red-deep);
}

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

.page-news .news-card__more summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--red-deep);
  color: var(--red-deep);
}

.page-news .news-card__more[open] summary::before {
  content: "−";
  background: var(--red-deep);
  color: var(--paper-light);
}

.page-news .news-card__more summary:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
}

.page-news .news-card__body {
  margin-top: 10px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-news .news-card__body p {
  margin: 0 0 8px;
}

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

.page-news .news-card__body a {
  color: var(--red-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ========== 版本发布专题 ========== */
.page-news .news-release {
  padding: 46px 0 50px;
  background-color: var(--ink);
  background-image:
    radial-gradient(circle at 10% -10%, rgba(201, 162, 39, 0.22), transparent 46%),
    radial-gradient(circle at 92% 110%, rgba(181, 18, 27, 0.24), transparent 44%);
  border-top: 4px solid var(--gold);
  border-bottom: 4px solid var(--gold);
  color: var(--paper);
}

.page-news .news-release__kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  margin: 0 0 12px;
  color: var(--gold);
}

.page-news .news-release h2 {
  font-family: var(--font-serif);
  font-size: clamp(26px, 5.4vw, 42px);
  font-weight: 800;
  line-height: 1.2;
  margin: 0;
  color: var(--paper-light);
}

.page-news .news-release__intro {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(246, 240, 228, 0.76);
}

.page-news .news-release__grid {
  display: grid;
  gap: 28px;
  margin-top: 30px;
}

.page-news .news-release__figure {
  border: 2px solid var(--gold);
  box-shadow: 6px 6px 0 rgba(201, 162, 39, 0.3);
  background: var(--ink-soft);
}

.page-news .release-nodes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-news .release-node {
  padding: 2px 0 2px 16px;
  border-left: 2px solid var(--gold);
}

.page-news .release-node__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-news .release-node h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  margin: 7px 0 7px;
  color: var(--paper-light);
}

.page-news .release-node p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(246, 240, 228, 0.72);
}

.page-news .release-node a {
  color: var(--gold-pale);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ========== 资料变更一览 ========== */
.page-news .news-library__inner {
  padding: 46px 0 50px;
}

.page-news .news-library__grid {
  display: grid;
  gap: 24px;
  margin-top: 26px;
}

.page-news .news-library__figure {
  box-shadow: var(--shadow-hard);
}

.page-news .news-library__caption {
  caption-side: top;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--line);
  padding-bottom: 10px;
}

.page-news .lib-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 700;
  color: var(--jade);
  white-space: nowrap;
}

.page-news .lib-status::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--jade);
  box-shadow: 0 0 0 2px rgba(47, 111, 104, 0.2);
}

/* ========== 持续获取路径 ========== */
.page-news .news-follow__inner {
  padding: 6px 0 60px;
}

.page-news .follow-cards {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.page-news .follow-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 18px;
  background: var(--paper-light);
  border: var(--border);
  box-shadow: var(--shadow-soft);
}

.page-news .follow-card__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--red);
}

.page-news .follow-card h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  margin: 0;
  color: var(--ink);
}

.page-news .follow-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-news .follow-card .contact-line {
  margin-top: 2px;
}

.page-news .follow-card .btn {
  align-self: flex-start;
  margin-top: auto;
}

/* ========== 平板与桌面 ========== */
@media (min-width: 760px) {
  .page-news .news-masthead {
    padding: 22px 0 42px;
  }

  .page-news .news-masthead__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
    gap: 32px;
  }

  .page-news .news-latest__list {
    grid-template-columns: 1.4fr 1fr 1fr;
  }

  .page-news .news-card {
    padding: 20px 22px;
  }

  .page-news .news-card__title {
    font-size: 20px;
  }

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

@media (min-width: 960px) {
  .page-news .news-timeline__inner {
    grid-template-columns: 288px minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-news .news-timeline__side {
    position: sticky;
    top: 96px;
  }

  .page-news .news-release {
    padding: 58px 0 62px;
  }

  .page-news .news-release__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: start;
    gap: 40px;
  }

  .page-news .news-library__grid {
    grid-template-columns: 340px minmax(0, 1fr);
    align-items: start;
    gap: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-card,
  .page-news .news-item__dot,
  .page-news .news-filter__chip {
    transition: none;
  }

  .page-news .news-item:hover .news-card,
  .page-news .news-item:focus-within .news-card {
    transform: none;
  }
}
<<<END>>>