.page-news {
  --news-hair: 1px solid rgba(176, 123, 60, 0.34);
  --news-dash: 1px dashed rgba(176, 123, 60, 0.42);
  background: var(--cream-100);
  color: var(--brown-900);
}

.page-news .section {
  padding-block: clamp(2.25rem, 5vw, 4rem);
}

.page-news a {
  color: inherit;
}

/* ---------- 刊头 ---------- */

.page-news .masthead {
  padding-block: clamp(1.5rem, 4vw, 2.75rem) clamp(2rem, 5vw, 3.5rem);
  background-color: var(--cream-100);
  background-image:
    radial-gradient(120% 90% at 10% 0%, rgba(217, 165, 102, 0.3), transparent 62%),
    repeating-linear-gradient(102deg, rgba(11, 36, 31, 0.05) 0 1px, transparent 1px 11px);
  border-bottom: var(--news-hair);
}

.page-news .masthead__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 2.5rem);
  margin-top: clamp(1.1rem, 3vw, 1.9rem);
}

.page-news .masthead__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.8rem, 9vw, 5.4rem);
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--ink-900);
  margin: 0.18em 0 0.32em;
}

.page-news .masthead__intro {
  max-width: 36ch;
  margin: 0;
  font-size: clamp(1rem, 1.6vw, 1.075rem);
  line-height: 1.8;
  color: var(--ink-700);
}

.page-news .board {
  position: relative;
  padding: 1.25rem 1.35rem 1.1rem;
  background: var(--ink-900);
  color: var(--cream-100);
  clip-path: polygon(0 0, calc(100% - var(--notch)) 0, 100% var(--notch), 100% 100%, 0 100%);
}

.page-news .board::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--copper-500), var(--copper-300));
}

.page-news .board__title {
  margin: 0;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--copper-300);
}

.page-news .board__rows {
  display: grid;
  gap: 0.55rem;
  margin: 0.9rem 0 0;
}

.page-news .board__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(244, 237, 224, 0.16);
}

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

.page-news .board__row dt {
  font-size: 0.82rem;
  color: rgba(244, 237, 224, 0.66);
}

.page-news .board__row dd {
  margin: 0;
  font-size: 0.95rem;
  color: var(--copper-300);
}

/* ---------- 通用章节标题 ---------- */

.page-news .section-head {
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

.page-news .section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.65rem, 3.6vw, 2.5rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-news .section-head__note {
  margin: 0.6rem 0 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--sage-500);
}

/* ---------- 本期摘要 ---------- */

.page-news .digest__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--news-hair);
}

.page-news .digest__item {
  position: relative;
  padding: clamp(0.9rem, 2vw, 1.2rem) 0 clamp(0.9rem, 2vw, 1.2rem) 3.1rem;
  border-bottom: var(--news-dash);
}

.page-news .digest__no {
  position: absolute;
  left: 0;
  top: clamp(1rem, 2vw, 1.35rem);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  color: var(--copper-500);
}

.page-news .digest__title {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: clamp(1.08rem, 2vw, 1.3rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink-900);
}

.page-news .digest__text {
  margin: 0;
  max-width: 46ch;
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--ink-700);
}

.page-news .digest__figure {
  margin: 1.5rem 0 0;
}

/* ---------- 时间轴 ---------- */

.page-news .log-hero {
  margin: 0 0 clamp(1.75rem, 4vw, 2.75rem);
}

.page-news .log-rail {
  margin-bottom: 1.6rem;
}

.page-news .log-rail__title {
  margin: 0 0 0.6rem;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--copper-500);
}

.page-news .log-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.page-news .log-rail__link {
  display: inline-block;
  padding: 0.3rem 0.7rem;
  font-size: 0.85rem;
  color: var(--ink-700);
  text-decoration: none;
  border: 1px solid rgba(31, 90, 76, 0.24);
  background: var(--paper-50);
  transition: border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}

.page-news .log-rail__link:hover,
.page-news .log-rail__link:focus-visible {
  border-color: var(--copper-500);
  background: rgba(217, 165, 102, 0.2);
  color: var(--ink-900);
}

.page-news .log-rail__top {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--cinnabar);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-news .log-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: clamp(1.25rem, 3vw, 1.75rem);
  padding-bottom: 0.9rem;
  border-bottom: var(--news-hair);
}

.page-news .log-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.8rem;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--ink-700);
  background: var(--paper-50);
  border: 1px solid rgba(176, 123, 60, 0.4);
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease);
}

.page-news .log-tab:hover {
  background: rgba(217, 165, 102, 0.22);
}

.page-news .log-tab__n {
  font-size: 0.72rem;
  color: inherit;
  opacity: 0.7;
}

.page-news #cat-all:checked ~ .log-filter label[for="cat-all"],
.page-news #cat-entry:checked ~ .log-filter label[for="cat-entry"],
.page-news #cat-tag:checked ~ .log-filter label[for="cat-tag"],
.page-news #cat-rule:checked ~ .log-filter label[for="cat-rule"],
.page-news #cat-maint:checked ~ .log-filter label[for="cat-maint"] {
  background: var(--ink-700);
  border-color: var(--ink-700);
  color: var(--cream-100);
}

.page-news #cat-all:focus-visible ~ .log-filter label[for="cat-all"],
.page-news #cat-entry:focus-visible ~ .log-filter label[for="cat-entry"],
.page-news #cat-tag:focus-visible ~ .log-filter label[for="cat-tag"],
.page-news #cat-rule:focus-visible ~ .log-filter label[for="cat-rule"],
.page-news #cat-maint:focus-visible ~ .log-filter label[for="cat-maint"] {
  outline: 2px solid var(--copper-500);
  outline-offset: 2px;
}

.page-news #cat-entry:checked ~ .timeline .log[data-cat]:not([data-cat="entry"]),
.page-news #cat-tag:checked ~ .timeline .log[data-cat]:not([data-cat="tag"]),
.page-news #cat-rule:checked ~ .timeline .log[data-cat]:not([data-cat="rule"]),
.page-news #cat-maint:checked ~ .timeline .log[data-cat]:not([data-cat="maint"]) {
  display: none;
}

.page-news .timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 0.6rem;
  bottom: 0.6rem;
  border-left: var(--news-dash);
}

.page-news .log {
  position: relative;
  padding-left: 1.9rem;
  padding-bottom: clamp(1.5rem, 3vw, 2.25rem);
}

.page-news .log::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 0.5rem;
  width: 11px;
  height: 11px;
  box-sizing: border-box;
  border-radius: 50%;
  background: var(--cream-100);
  border: 2px solid var(--copper-500);
}

.page-news .log[data-cat="entry"]::before {
  border-color: var(--ink-500);
}

.page-news .log[data-cat="tag"]::before {
  border-color: var(--copper-500);
}

.page-news .log[data-cat="rule"]::before {
  border-color: var(--cinnabar);
  background: rgba(179, 58, 43, 0.18);
}

.page-news .log[data-cat="maint"]::before {
  border-color: var(--sage-500);
}

.page-news .log__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.45rem;
}

.page-news .log__issue {
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  color: var(--copper-500);
}

.page-news .log__version {
  font-size: 0.74rem;
  color: var(--sage-500);
}

.page-news .log__cat {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  padding: 0.12rem 0.5rem;
  border: 1px solid currentColor;
}

.page-news .log__cat--entry {
  color: var(--ink-500);
}

.page-news .log__cat--tag {
  color: var(--copper-500);
}

.page-news .log__cat--rule {
  color: var(--cinnabar);
}

.page-news .log__cat--maint {
  color: var(--sage-500);
}

.page-news .log__title {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2.1vw, 1.22rem);
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink-900);
}

.page-news .log__desc {
  margin: 0;
  max-width: 52ch;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--ink-700);
}

.page-news .log__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 1rem;
  margin-top: 0.65rem;
}

.page-news .log__scope {
  flex: 1 1 18ch;
  margin: 0;
  padding-left: 0.6rem;
  border-left: 2px solid rgba(176, 123, 60, 0.45);
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--sage-500);
}

.page-news .log__scope-tag {
  display: inline-block;
  margin-right: 0.4rem;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--copper-500);
}

.page-news .log__copy {
  padding: 0;
  border: 0;
  background: none;
  font-size: 0.74rem;
  color: var(--copper-500);
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}

.page-news .log__copy:hover,
.page-news .log__copy:focus-visible {
  color: var(--ink-700);
}

.page-news .log-note {
  position: relative;
  margin: 0 0 clamp(1.5rem, 3vw, 2.25rem) 1.9rem;
  padding: 0.9rem 1.1rem;
  background: var(--paper-50);
  border-left: 3px solid var(--copper-300);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
}

.page-news .log-note__tag {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--copper-500);
}

.page-news .log-note p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--ink-700);
}

.page-news .log-note a,
.page-news .archive__tail a,
.page-news .cadence__tail a {
  color: var(--ink-500);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .log-note a:hover,
.page-news .archive__tail a:hover,
.page-news .cadence__tail a:hover {
  color: var(--cinnabar);
}

/* ---------- 规则变更 ---------- */

.page-news .rule-board {
  background-color: var(--ink-900);
  background-image: repeating-linear-gradient(
    90deg,
    rgba(244, 237, 224, 0.045) 0 1px,
    transparent 1px 16px
  );
  color: var(--cream-100);
}

.page-news .rule-board .eyebrow {
  color: var(--copper-300);
}

.page-news .rule-board__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 2.75rem);
}

.page-news .rule-board h2 {
  margin: 0 0 0.9rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 3.4vw, 2.35rem);
  line-height: 1.22;
  color: var(--cream-100);
}

.page-news .rule-board__lead {
  margin: 0 0 1.5rem;
  max-width: 50ch;
  font-size: 0.96rem;
  line-height: 1.82;
  color: rgba(244, 237, 224, 0.74);
}

.page-news .rule-points {
  list-style: none;
  margin: 0 0 1.75rem;
  padding: 0;
}

.page-news .rule-points li {
  display: flex;
  gap: 0.8rem;
  padding-top: 0.85rem;
  border-top: 1px solid rgba(244, 237, 224, 0.14);
}

.page-news .rule-points li + li {
  margin-top: 0.85rem;
}

.page-news .rule-points__no {
  flex: 0 0 auto;
  padding-top: 0.14rem;
  font-size: 0.8rem;
  color: var(--copper-300);
}

.page-news .rule-points strong {
  display: block;
  margin-bottom: 0.2rem;
  font-size: 0.95rem;
  color: var(--cream-100);
}

.page-news .rule-points div {
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(244, 237, 224, 0.72);
}

.page-news .rule-board__aside {
  padding: 1.15rem 1.25rem 1rem;
  background: rgba(20, 63, 54, 0.6);
  border: 1px solid rgba(217, 165, 102, 0.42);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-news .rule-board__aside-title {
  margin: 0;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--copper-300);
}

.page-news .ladder {
  list-style: none;
  margin: 0.75rem 0 0.75rem;
  padding: 0;
}

.page-news .ladder li {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  padding: 0.5rem 0;
  font-size: 0.88rem;
  color: rgba(244, 237, 224, 0.86);
  border-bottom: 1px dashed rgba(217, 165, 102, 0.28);
}

.page-news .ladder__no {
  color: var(--copper-300);
}

.page-news .ladder__n {
  margin-left: auto;
  font-size: 0.74rem;
  color: rgba(244, 237, 224, 0.58);
}

.page-news .rule-board__aside-note {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.7;
  color: rgba(244, 237, 224, 0.6);
}

/* ---------- 版本回看 ---------- */

.page-news .archive__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 2.75rem);
}

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

.page-news .archive h2 {
  margin: 0 0 0.8rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 3.4vw, 2.35rem);
  line-height: 1.22;
  color: var(--ink-900);
}

.page-news .archive__lead {
  margin: 0 0 1.5rem;
  max-width: 44ch;
  font-size: 0.96rem;
  line-height: 1.82;
  color: var(--ink-700);
}

.page-news .archive-steps {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  border-top: var(--news-hair);
}

.page-news .archive-steps li {
  display: flex;
  gap: 0.9rem;
  padding: 0.9rem 0;
  border-bottom: var(--news-dash);
}

.page-news .archive-steps__no {
  flex: 0 0 auto;
  padding-top: 0.12rem;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--copper-500);
}

.page-news .archive-steps strong {
  display: block;
  margin-bottom: 0.2rem;
  font-size: 0.95rem;
  color: var(--ink-900);
}

.page-news .archive-steps div {
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--ink-700);
}

.page-news .archive__tail {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--sage-500);
}

/* ---------- 维护节奏 ---------- */

.page-news .cadence {
  background: var(--beige-200);
  border-top: var(--news-hair);
  border-bottom: var(--news-hair);
}

.page-news .cadence__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 2.75rem);
}

.page-news .cadence__text p {
  margin: 0 0 1rem;
  max-width: 52ch;
  font-size: 0.96rem;
  line-height: 1.82;
  color: var(--ink-700);
}

.page-news .cadence__stats {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.75rem;
  margin: 1.5rem 0;
}

.page-news .cadence__stat {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  padding: 0.75rem 0.9rem;
  background: var(--paper-50);
  border-left: 3px solid var(--ink-500);
}

.page-news .cadence__stat-num {
  flex: 0 0 auto;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--ink-900);
}

.page-news .cadence__stat-label {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--ink-700);
}

.page-news .cadence__tail {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--sage-500);
}

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

/* ---------- 进场 ---------- */

.js .page-news [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
}

.js .page-news [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-news .cadence__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .cadence__stat {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
  }
}

@media (min-width: 900px) {
  .page-news .masthead__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 0.85fr);
    align-items: end;
  }

  .page-news .digest__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.85fr);
    gap: clamp(1.75rem, 4vw, 3rem);
    align-items: start;
  }

  .page-news .digest__figure {
    margin-top: 2.75rem;
  }

  .page-news .section-head--split {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 2rem;
  }

  .page-news .section-head--split > div {
    flex: 1 1 auto;
  }

  .page-news .section-head--split .section-head__note {
    flex: 0 1 28ch;
    margin-top: 0;
  }

  .page-news .rule-board__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.8fr);
    align-items: start;
  }

  .page-news .archive__grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    align-items: center;
  }

  .page-news .cadence__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-news .log-layout {
    display: grid;
    grid-template-columns: 200px minmax(0, 1fr);
    gap: clamp(1.75rem, 3vw, 2.75rem);
    align-items: start;
  }

  .page-news .log-rail {
    position: sticky;
    top: 92px;
    margin-bottom: 0;
  }

  .page-news .log-rail__list {
    display: block;
  }

  .page-news .log-rail__list li + li {
    margin-top: 0.3rem;
  }

  .page-news .log-rail__link {
    display: block;
    padding: 0.36rem 0.5rem 0.36rem 0.75rem;
    background: none;
    border: 0;
    border-left: 2px solid rgba(31, 90, 76, 0.22);
  }

  .page-news .log-rail__link:hover,
  .page-news .log-rail__link:focus-visible {
    border-left-color: var(--copper-500);
    background: rgba(217, 165, 102, 0.16);
  }
}

@media (min-width: 1280px) {
  .page-news .log-layout {
    grid-template-columns: 220px minmax(0, 1fr);
  }

  .page-news .log__desc {
    max-width: 58ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .js .page-news [data-reveal],
  .js .page-news [data-reveal].is-revealed {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-news .log-tab,
  .page-news .log-rail__link {
    transition: none;
  }
}
<<<END>>>