.page-news {
  --nw-gap: clamp(20px, 3vw, 40px);
  --nw-radius: 0;
  background-color: var(--warm);
  background-image: repeating-linear-gradient(
    0deg,
    rgba(185, 198, 242, 0.32) 0,
    rgba(185, 198, 242, 0.32) 1px,
    transparent 1px,
    transparent 72px
  );
  color: var(--graphite);
  font-family: var(--font-body);
  padding-bottom: clamp(32px, 6vw, 72px);
}

.page-news .breadcrumb {
  padding-top: clamp(14px, 2.4vw, 24px);
}

.page-news .news-hero {
  display: grid;
  gap: var(--nw-gap);
  padding: clamp(20px, 4vw, 44px) 0 clamp(28px, 5vw, 56px);
}

.page-news .news-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 5.4vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.012em;
  max-width: 16em;
}

.page-news .news-hero__lede {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.78;
}

.page-news .news-hero__note {
  margin: 14px 0 0;
  font-size: 14px;
  color: var(--rock);
  max-width: 36em;
  line-height: 1.7;
}

.page-news .news-hero__jump {
  color: var(--nav-blue);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-news .hero-status {
  background: var(--ink);
  color: var(--paper);
  border: var(--bd);
  box-shadow: var(--shadow-hard);
  padding: 18px 20px 20px;
}

.page-news .hero-status__cap {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mint);
  text-transform: uppercase;
}

.page-news .hero-status__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-top: 1px solid rgba(250, 247, 240, 0.22);
}

.page-news .hero-status__k {
  font-size: 14px;
  color: rgba(250, 247, 240, 0.78);
}

.page-news .hero-status__v {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.page-news .hero-status__v .num {
  color: var(--mint);
  font-size: 20px;
  border-bottom-color: var(--mint);
}

.page-news .hero-status__foot {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(250, 247, 240, 0.62);
}

.page-news .news-section {
  padding: clamp(28px, 5vw, 56px) 0;
  border-top: var(--bd);
}

.page-news .news-section__head {
  max-width: 44em;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-news .news-section__head h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.4vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.page-news .news-section__lede {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--graphite);
  max-width: 34em;
}

/* 时间刻度 */
.page-news .ruler-figure {
  margin: 0 0 clamp(16px, 2.4vw, 24px);
}

.page-news .ruler-figure img,
.page-news .log-figure img,
.page-news .map-figure img,
.page-news .track-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: var(--bd);
  background: var(--paper);
}

.page-news .ruler {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 2px solid var(--graphite);
}

.page-news .ruler__item a {
  position: relative;
  display: block;
  padding: 20px 16px 18px 16px;
  border-left: 1px solid rgba(138, 133, 120, 0.5);
  border-bottom: 1px solid rgba(138, 133, 120, 0.5);
  color: inherit;
  text-decoration: none;
  transition: background-color 0.2s ease;
}

.page-news .ruler__item a::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 0;
  width: 3px;
  height: 18px;
  background: var(--orange);
  transition: background-color 0.2s ease;
}

.page-news .ruler__item a:hover,
.page-news .ruler__item a:focus-visible {
  background: var(--paper);
}

.page-news .ruler__item a:hover::before,
.page-news .ruler__item a:focus-visible::before {
  background: var(--nav-blue);
}

.page-news .ruler__num {
  display: block;
  font-size: 13px;
  color: var(--nav-blue);
  border-bottom: 1px solid var(--line);
  width: 3.2em;
  margin-bottom: 10px;
}

.page-news .ruler__label {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.32;
}

.page-news .ruler__desc {
  display: block;
  margin-top: 6px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--rock);
}

/* 记录区 */
.page-news .log-stage {
  position: relative;
}

.page-news .log-anchor {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  scroll-margin-top: 90px;
}

.page-news .log-top {
  display: grid;
  gap: var(--nw-gap);
  padding-bottom: clamp(20px, 3vw, 32px);
  border-bottom: 2px solid var(--graphite);
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-news .log-filter-block {
  min-width: 0;
}

.page-news .log-filter__hint {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--rock);
  text-transform: uppercase;
}

.page-news .log-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .log-filter__btn {
  position: relative;
  display: inline-block;
  padding: 9px 15px 11px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--graphite);
  text-decoration: none;
  border: var(--bd);
  background: var(--paper);
  box-shadow: var(--shadow-soft);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.page-news .log-filter__btn::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: var(--nav-blue);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.24s ease;
}

.page-news .log-filter__btn:hover::after,
.page-news .log-filter__btn:focus-visible::after {
  transform: scaleX(1);
}

.page-news .log-filter__note {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--rock);
  max-width: 30em;
}

.page-news .log-figure {
  margin: 0;
}

.page-news .log-wave {
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-news .log-wave__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--graphite);
  margin-bottom: clamp(16px, 2.4vw, 24px);
}

.page-news .log-wave__num {
  font-size: 13px;
  color: var(--clay);
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}

.page-news .log-wave__head h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 2.4vw, 24px);
  line-height: 1.3;
}

.page-news .log-list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 16px;
  border-left: 2px solid var(--line);
}

.page-news .log-item {
  margin: 0 0 16px;
  border: var(--bd);
  background: var(--paper);
  box-shadow: var(--shadow-soft);
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

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

.page-news .log-item:hover {
  box-shadow: var(--shadow-hard);
  border-color: var(--nav-blue);
}

.page-news .log-entry__sum {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-news .log-entry__num {
  grid-column: 1 / -1;
  font-size: 12.5px;
  color: var(--rock);
  border-bottom: 1px solid var(--line);
  width: 4.4em;
  padding-bottom: 2px;
}

.page-news .log-entry__body {
  display: block;
  min-width: 0;
}

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

.page-news .log-entry__col {
  font-size: 12px;
  color: var(--rock);
  letter-spacing: 0.04em;
}

.page-news .log-entry__title {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.45;
}

.page-news .log-entry__summary {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--rock);
}

.page-news .log-entry__cue {
  align-self: start;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--nav-blue);
  transition: transform 0.2s ease;
}

.page-news .log-entry[open] .log-entry__cue {
  transform: rotate(45deg);
}

.page-news .log-entry__detail {
  padding: 0 16px 18px;
}

.page-news .log-entry__detail dl {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(138, 133, 120, 0.7);
  display: grid;
  gap: 14px;
}

.page-news .log-entry__detail dt {
  margin: 0 0 5px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--nav-blue);
}

.page-news .log-entry__detail dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
}

.page-news .log-item .tag {
  display: inline-block;
  padding: 2px 8px 3px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  border: 1px solid var(--graphite);
  background: var(--paper);
  color: var(--graphite);
}

.page-news .log-item--new .tag {
  background: var(--mint);
  border-color: var(--ink);
  color: var(--ink);
}

.page-news .log-item--legacy .tag {
  background: var(--moss);
  border-color: var(--moss);
  color: var(--paper);
}

.page-news .log-item--client .tag {
  background: var(--nav-blue);
  border-color: var(--nav-blue);
  color: var(--paper);
}

.page-news .log-item--feedback .tag {
  background: var(--orange);
  border-color: var(--graphite);
  color: var(--ink);
}

/* 纯 CSS 类型筛选 */
.page-news #f-legacy:target ~ .log-wave .log-item:not(.log-item--legacy),
.page-news #f-new:target ~ .log-wave .log-item:not(.log-item--new),
.page-news #f-client:target ~ .log-wave .log-item:not(.log-item--client),
.page-news #f-feedback:target ~ .log-wave .log-item:not(.log-item--feedback) {
  display: none;
}

.page-news #f-legacy:target ~ .log-wave:not(:has(.log-item--legacy)),
.page-news #f-new:target ~ .log-wave:not(:has(.log-item--new)),
.page-news #f-client:target ~ .log-wave:not(:has(.log-item--client)),
.page-news #f-feedback:target ~ .log-wave:not(:has(.log-item--feedback)) {
  display: none;
}

.page-news #f-all:target ~ .log-top .log-filter__btn[href="#f-all"],
.page-news #f-legacy:target ~ .log-top .log-filter__btn[href="#f-legacy"],
.page-news #f-new:target ~ .log-top .log-filter__btn[href="#f-new"],
.page-news #f-client:target ~ .log-top .log-filter__btn[href="#f-client"],
.page-news #f-feedback:target ~ .log-top .log-filter__btn[href="#f-feedback"] {
  background: var(--nav-blue);
  border-color: var(--nav-blue);
  color: var(--paper);
}

.page-news #f-all:target ~ .log-top .log-filter__btn[href="#f-all"]::after,
.page-news #f-legacy:target ~ .log-top .log-filter__btn[href="#f-legacy"]::after,
.page-news #f-new:target ~ .log-top .log-filter__btn[href="#f-new"]::after,
.page-news #f-client:target ~ .log-top .log-filter__btn[href="#f-client"]::after,
.page-news #f-feedback:target ~ .log-top .log-filter__btn[href="#f-feedback"]::after {
  transform: scaleX(1);
  background: var(--mint);
}

/* 读法示例 */
.page-news .sample {
  border: var(--bd);
  background: var(--paper);
  box-shadow: var(--shadow-hard);
  padding: clamp(18px, 3vw, 28px);
}

.page-news .sample__strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(138, 133, 120, 0.5);
}

.page-news .sample__num {
  font-size: 12.5px;
  color: var(--rock);
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}

.page-news .sample__col {
  font-size: 12px;
  color: var(--rock);
  letter-spacing: 0.04em;
}

.page-news .sample .tag {
  display: inline-block;
  padding: 2px 8px 3px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  background: var(--moss);
  color: var(--paper);
  border: 1px solid var(--moss);
}

.page-news .sample__title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.6vw, 26px);
  line-height: 1.35;
}

.page-news .sample__grid {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}

.page-news .sample__cell {
  border-left: 3px solid var(--nav-blue);
  padding: 2px 0 2px 14px;
}

.page-news .sample__k {
  display: block;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--nav-blue);
  margin-bottom: 6px;
}

.page-news .sample__cell p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
}

.page-news .sample__foot {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(138, 133, 120, 0.7);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--rock);
}

/* 旧版对照 */
.page-news .map-layout {
  display: grid;
  gap: var(--nw-gap);
}

.page-news .map-figure {
  margin: 0;
}

.page-news .map-wrap {
  overflow-x: auto;
  border: var(--bd);
  background: var(--paper);
  box-shadow: var(--shadow-soft);
}

.page-news .map-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-news .map-table th,
.page-news .map-table td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(138, 133, 120, 0.45);
  vertical-align: middle;
}

.page-news .map-table thead th {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--paper);
  background: var(--ink);
  border-bottom: 2px solid var(--graphite);
  white-space: nowrap;
}

.page-news .map-table tbody th {
  font-weight: 600;
  color: var(--graphite);
  white-space: nowrap;
  border-left: 3px solid var(--moss);
}

.page-news .map-table tbody tr:last-child th,
.page-news .map-table tbody tr:last-child td {
  border-bottom: none;
}

.page-news .map-table tbody tr:hover {
  background: rgba(185, 198, 242, 0.22);
}

.page-news .map-state {
  display: inline-block;
  padding: 2px 8px 3px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  white-space: nowrap;
  border: 1px solid var(--graphite);
}

.page-news .map-state--keep {
  background: var(--moss);
  border-color: var(--moss);
  color: var(--paper);
}

.page-news .map-state--merge {
  background: var(--clay);
  border-color: var(--clay);
  color: var(--paper);
}

/* 客户端轨迹 */
.page-news .track-layout {
  display: grid;
  gap: var(--nw-gap);
}

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

.page-news .track__item {
  border: var(--bd);
  background: var(--paper);
  padding: 16px 18px 18px;
  position: relative;
}

.page-news .track__item::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--nav-blue), var(--mint));
}

.page-news .track__num {
  display: inline-block;
  font-size: 13px;
  color: var(--paper);
  background: var(--ink);
  padding: 2px 8px 3px;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.page-news .track__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.35;
}

.page-news .track__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--rock);
}

.page-news .track-figure {
  margin: 0;
}

.page-news .track-link {
  margin: 18px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
}

.page-news .track-link a,
.page-news .feedback-band a:not(.btn) {
  color: var(--nav-blue);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

/* 反馈带 */
.page-news .feedback-band {
  display: grid;
  gap: var(--nw-gap);
  background: var(--ink);
  color: var(--paper);
  border-top: 2px solid var(--graphite);
  margin-top: clamp(20px, 4vw, 48px);
  padding: clamp(24px, 4vw, 48px) clamp(18px, 3vw, 36px);
}

.page-news .feedback-band .eyebrow {
  color: var(--mint);
}

.page-news .feedback-band h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3vw, 32px);
  line-height: 1.24;
  color: var(--paper);
}

.page-news .feedback-band__text {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(250, 247, 240, 0.82);
  max-width: 36em;
}

.page-news .feedback-band__ways {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-news .feedback-way {
  border-top: 1px solid rgba(250, 247, 240, 0.28);
  padding-top: 12px;
}

.page-news .feedback-way__k {
  display: block;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--mint);
  margin-bottom: 6px;
}

.page-news .feedback-way p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(250, 247, 240, 0.78);
}

.page-news .feedback-band a:not(.btn) {
  color: var(--mint);
}

.page-news .feedback-band__cta {
  justify-self: start;
  margin-top: 4px;
}

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

  .page-news .log-entry__sum {
    grid-template-columns: 5.4em 1fr auto;
    gap: 4px 16px;
    padding: 18px 20px;
  }

  .page-news .log-entry__num {
    grid-column: 1;
    grid-row: 1;
    align-self: start;
  }

  .page-news .log-entry__body {
    grid-column: 2;
    grid-row: 1;
  }

  .page-news .log-entry__cue {
    grid-column: 3;
    grid-row: 1;
  }

  .page-news .log-entry__detail {
    padding: 0 20px 20px;
  }

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

  .page-news .sample__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

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

@media (min-width: 900px) {
  .page-news .news-hero {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-news .ruler {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .log-top {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.75fr);
    align-items: start;
  }

  .page-news .log-list {
    padding-left: 24px;
  }

  .page-news .log-item:nth-child(even) {
    margin-left: clamp(16px, 4vw, 52px);
  }

  .page-news .log-item:nth-child(odd) {
    margin-right: clamp(0px, 2vw, 28px);
  }

  .page-news .map-layout {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    align-items: start;
  }

  .page-news .track-layout {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.7fr);
    align-items: start;
  }

  .page-news .feedback-band {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.85fr);
    align-items: start;
  }
}
<<<END>>>