.page-news {
  --news-rule: rgba(11, 61, 46, 0.14);
  --news-rule-mid: rgba(11, 61, 46, 0.28);
  --series-color: var(--green);
  background-color: var(--paper);
  color: var(--carbon);
}

.page-news [data-series="chronicle"] { --series-color: var(--green); }
.page-news [data-series="caliber"] { --series-color: var(--blue); }
.page-news [data-series="errata"] { --series-color: var(--red); }
.page-news [data-series="visual"] { --series-color: var(--orange); }

/* ---------- 通用构件 ---------- */

.page-news .news-crumb-sep {
  margin: 0 10px;
  color: var(--silver);
}

.page-news .news-head {
  display: grid;
  gap: 8px;
  margin: 0 0 clamp(26px, 4.5vw, 46px);
  padding-bottom: 18px;
  border-bottom: 2px solid var(--green);
}

.page-news .news-head .idx {
  color: var(--orange);
}

.page-news .news-head h2 {
  margin: 0;
  font-size: clamp(1.75rem, 4.4vw, 2.9rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--green);
}

.page-news .news-head__note {
  max-width: 58ch;
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--carbon);
  opacity: 0.76;
}

@media (min-width: 768px) {
  .page-news .news-head {
    grid-template-columns: 76px minmax(0, 1fr);
    align-items: start;
    column-gap: 22px;
  }
  .page-news .news-head .idx {
    grid-row: 1 / span 2;
    padding-top: 6px;
  }
}

/* ---------- 纸层图片 ---------- */

.page-news .news-plate {
  margin: clamp(30px, 5vw, 56px) 0 0;
  border: 2px solid var(--green);
  box-shadow: var(--shadow-card);
  background-color: var(--gray);
}

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

.page-news .news-plate figcaption {
  padding: 12px 16px 13px;
  border-top: 2px solid var(--green);
  background-color: var(--paper);
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--carbon);
  opacity: 0.82;
}

.page-news .news-plate--night img {
  filter: grayscale(1) contrast(1.08);
}

.page-news .news-plate--deep {
  border-color: var(--blue-light);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.28);
  margin: 0;
}

.page-news .news-plate--deep figcaption {
  border-top-color: var(--blue-light);
  background-color: var(--green-deep);
  color: var(--paper);
  opacity: 0.86;
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  padding: clamp(28px, 5vw, 60px) 0 clamp(44px, 7vw, 88px);
}

.page-news .news-hero .eyebrow {
  margin-top: clamp(18px, 3vw, 32px);
}

.page-news .news-hero__title {
  margin: 10px 0 18px;
  font-size: clamp(3.4rem, 11vw, 6.6rem);
  font-weight: 900;
  line-height: 0.92;
  letter-spacing: -0.03em;
  color: var(--green);
}

.page-news .news-hero__lede {
  max-width: 62ch;
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.78;
  color: var(--carbon);
}

.page-news .news-hero__lede a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-news .news-hero__lede a:hover,
.page-news .news-hero__lede a:focus-visible {
  text-decoration-thickness: 2px;
}

.page-news .news-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: clamp(28px, 5vw, 46px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--green);
}

.page-news .news-stats__item {
  padding: 14px 0 18px;
  border-bottom: 1px solid var(--news-rule);
  min-width: 0;
}

.page-news .news-stats__item:nth-child(even) {
  padding-left: 16px;
  border-left: 1px solid var(--news-rule);
}

.page-news .news-stats__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 3.4vw, 2rem);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
  color: var(--green);
}

.page-news .news-stats__label {
  display: block;
  margin-top: 5px;
  font-size: 0.8125rem;
  color: var(--carbon);
  opacity: 0.62;
}

@media (min-width: 768px) {
  .page-news .news-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-news .news-stats__item {
    padding: 18px 22px 22px;
  }
  .page-news .news-stats__item:nth-child(even),
  .page-news .news-stats__item:nth-child(odd) {
    border-left: 1px solid var(--news-rule);
  }
  .page-news .news-stats__item:first-child {
    padding-left: 0;
    border-left: 0;
  }
}

/* ---------- 01 专栏索引 ---------- */

.page-news .news-index {
  padding: 0 0 clamp(48px, 8vw, 104px);
}

.page-news .news-index__grid {
  display: grid;
  gap: clamp(22px, 3.6vw, 44px);
}

.page-news .news-legend__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-news .news-legend__link {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 13px;
  border: 1px solid var(--news-rule-mid);
  background-color: var(--paper);
  color: var(--green);
  font-size: 0.875rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 180ms var(--ease), color 180ms var(--ease), transform 180ms var(--ease);
}

.page-news .news-legend__link:hover,
.page-news .news-legend__link:focus-visible {
  background-color: var(--green);
  color: var(--paper);
  transform: translateY(-2px);
}

.page-news .news-legend__dot {
  flex: 0 0 10px;
  width: 10px;
  height: 10px;
  background-color: var(--series-color);
}

.page-news .news-legend__count {
  margin-left: 2px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
  opacity: 0.72;
}

@media (min-width: 1024px) {
  .page-news .news-index__grid {
    grid-template-columns: 208px minmax(0, 1fr);
    align-items: start;
    column-gap: clamp(28px, 4vw, 56px);
  }
  .page-news .news-legend {
    position: sticky;
    top: 40px;
  }
  .page-news .news-legend__list {
    flex-direction: column;
    gap: 4px;
    padding-bottom: 0;
    overflow: visible;
  }
  .page-news .news-legend__link {
    justify-content: flex-start;
  }
}

.page-news .news-toc {
  display: grid;
  gap: clamp(30px, 4.2vw, 46px);
}

.page-news .news-toc__group {
  padding-left: clamp(14px, 2vw, 22px);
  border-left: 4px solid var(--series-color);
}

.page-news .news-toc__grouphead {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 12px;
  margin: 0 0 6px;
  font-size: 1.0625rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--green);
}

.page-news .news-toc__code {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  color: var(--carbon);
  opacity: 0.5;
}

.page-news .news-toc__hint {
  flex: 1 1 220px;
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--carbon);
  opacity: 0.6;
}

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

.page-news .news-toc__row {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  align-items: baseline;
  gap: 3px 12px;
  padding: 14px 0 15px;
  border-bottom: 1px solid var(--news-rule);
}

.page-news .news-toc__id {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
  color: var(--carbon);
  opacity: 0.5;
}

.page-news .news-toc__link {
  min-width: 0;
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--carbon);
  text-decoration: none;
  transition: color 160ms var(--ease);
}

.page-news .news-toc__link:hover,
.page-news .news-toc__link:focus-visible {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 2px;
}

.page-news .news-toc__when {
  grid-column: 2 / -1;
  font-size: 0.8125rem;
  color: var(--carbon);
  opacity: 0.55;
}

@media (min-width: 900px) {
  .page-news .news-toc__row {
    grid-template-columns: 52px minmax(0, 1fr) auto;
    column-gap: 20px;
  }
  .page-news .news-toc__when {
    grid-column: auto;
    white-space: nowrap;
  }
}

/* ---------- 02 系列说明 ---------- */

.page-news .news-series {
  padding: 0 0 clamp(48px, 8vw, 104px);
}

.page-news .news-series__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-news .news-series__grid .news-plate {
  margin: 0;
}

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

.page-news .news-series__item {
  padding: 20px 0 22px clamp(16px, 2vw, 24px);
  border-top: 1px solid var(--news-rule-mid);
  border-left: 3px solid var(--series-color);
}

.page-news .news-series__item:last-child {
  border-bottom: 1px solid var(--news-rule-mid);
}

.page-news .news-series__item h3 {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 9px;
  font-size: 1.1875rem;
  font-weight: 800;
  line-height: 1.3;
  color: var(--green);
}

.page-news .news-series__item h3 .num {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  opacity: 0.55;
}

.page-news .news-series__item p {
  max-width: 60ch;
  margin: 0 0 8px;
  font-size: 1rem;
  line-height: 1.78;
}

.page-news .news-series__item a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-series__cond {
  font-size: 0.8125rem;
  color: var(--carbon);
  opacity: 0.6;
}

@media (min-width: 960px) {
  .page-news .news-series__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
}

/* ---------- 03 更新条目时间线 ---------- */

.page-news .news-feed-section {
  padding: 0 0 clamp(48px, 8vw, 104px);
}

.page-news .news-feed {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: clamp(38px, 5.6vw, 64px);
}

.page-news .news-feed::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background-color: var(--news-rule-mid);
}

.page-news .news-feed__item {
  position: relative;
  padding-left: 34px;
}

.page-news .news-feed__item::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 10px;
  width: 14px;
  height: 14px;
  background-color: var(--paper);
  border: 2px solid var(--silver);
  transition: background-color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-news .news-feed__item:target::before,
.page-news .news-feed__item.is-active::before {
  background-color: var(--orange);
  border-color: var(--orange);
}

.page-news .news-feed__id {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--carbon);
  opacity: 0.6;
}

.page-news .news-feed__id::before {
  content: "";
  width: 14px;
  height: 3px;
  background-color: var(--series-color);
}

.page-news .news-feed__title {
  margin: 10px 0 12px;
  font-size: clamp(1.25rem, 2.7vw, 1.75rem);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: -0.015em;
  color: var(--green);
}

.page-news .news-feed__summary {
  max-width: 66ch;
  margin: 0 0 14px;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--carbon);
}

.page-news .news-feed__summary a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-feed__when {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 0.8125rem;
  color: var(--carbon);
  opacity: 0.66;
}

.page-news .news-series-badge {
  display: inline-block;
  padding: 3px 9px 3px 8px;
  border-left: 3px solid var(--series-color);
  background-color: var(--gray);
  color: var(--green);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  opacity: 1;
}

.page-news .news-feed__item--figure {
  padding-left: 0;
}

.page-news .news-feed__item--figure::before {
  display: none;
}

.page-news .news-feed__item--figure .news-plate {
  position: relative;
  z-index: 1;
  margin: 0;
  padding: 6px 0;
  background-color: var(--paper);
}

@media (min-width: 768px) {
  .page-news .news-feed::before {
    left: 15px;
  }
  .page-news .news-feed__item {
    padding-left: 56px;
  }
  .page-news .news-feed__item::before {
    left: 9px;
  }
}

/* ---------- 04 资料提交 ---------- */

.page-news .news-submit {
  padding: clamp(44px, 7vw, 84px) 0 clamp(52px, 8vw, 100px);
  background-color: var(--green);
  color: var(--paper);
  border-top: 6px solid var(--green-deep);
}

.page-news .news-submit__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-news .news-submit .eyebrow {
  color: var(--blue-light);
}

.page-news .news-submit__body h2 {
  margin: 12px 0 16px;
  font-size: clamp(1.75rem, 4.2vw, 2.7rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-news .news-submit__lede {
  max-width: 56ch;
  margin: 0 0 22px;
  font-size: 1.0625rem;
  line-height: 1.78;
  color: var(--paper);
  opacity: 0.88;
}

.page-news .news-submit__list {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
  max-width: 58ch;
}

.page-news .news-submit__list li {
  position: relative;
  padding-left: 22px;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--paper);
  opacity: 0.9;
}

.page-news .news-submit__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 12px;
  height: 3px;
  background-color: var(--blue-light);
}

.page-news .news-submit__note {
  max-width: 58ch;
  margin: 0 0 24px;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--paper);
  opacity: 0.82;
}

.page-news .news-submit__mail {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--blue-light);
  word-break: break-all;
}

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

.page-news .news-submit .btn--ghost {
  border-color: var(--blue-light);
  color: var(--paper);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.3);
}

.page-news .news-submit .btn--ghost:hover,
.page-news .news-submit .btn--ghost:focus-visible {
  background-color: var(--blue-light);
  color: var(--green-deep);
}

@media (min-width: 900px) {
  .page-news .news-submit__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
    column-gap: clamp(32px, 5vw, 72px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-legend__link,
  .page-news .news-toc__link,
  .page-news .news-feed__item::before {
    transition: none;
  }
  .page-news .news-legend__link:hover,
  .page-news .news-legend__link:focus-visible {
    transform: none;
  }
}
<<<END>>>