.page-news {
  --rail-x: clamp(10px, 4vw, 96px);
  --rail-gap: 28px;
  position: relative;
  padding: 0 var(--gutter) clamp(64px, 9vw, 112px) calc(var(--rail-x) + var(--rail-gap));
  background-color: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  isolation: isolate;
}

.page-news::before {
  content: "";
  position: absolute;
  left: var(--rail-x);
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg,
    transparent 0,
    var(--line) 4%,
    var(--line) 38%,
    var(--gold) 58%,
    var(--line) 78%,
    transparent 100%);
  opacity: .65;
  z-index: 0;
}

.page-news section,
.page-news header,
.page-news nav {
  position: relative;
  z-index: 1;
}

.page-news figure {
  margin: 0;
}

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

/* 面包屑 */
.page-news .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: clamp(18px, 3vw, 32px);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-news .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-news .breadcrumbs a:hover,
.page-news .breadcrumbs a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* 首屏 */
.page-news .log-hero {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  padding-top: clamp(20px, 3.5vw, 40px);
}

.page-news .log-hero__frame {
  border-top: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
  padding: clamp(22px, 4vw, 48px) clamp(18px, 3vw, 40px);
  background-color: var(--ink-deep);
  background-image:
    repeating-linear-gradient(180deg, var(--line) 0 1px, transparent 1px 16px),
    repeating-linear-gradient(180deg, var(--line) 0 1px, transparent 1px 16px);
  background-repeat: no-repeat, no-repeat;
  background-size: 7px 100%, 7px 100%;
  background-position: right top, left top;
}

.page-news .eyebrow {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-news .display-title {
  margin: 0 0 16px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(27px, 5vw, 52px);
  line-height: 1.24;
  letter-spacing: .03em;
  color: var(--paper);
}

.page-news .lead {
  margin: 0;
  max-width: 36em;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: var(--muted);
}

.page-news .log-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-news .button {
  display: inline-block;
  padding: 11px 22px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background-color .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-news .button--solid {
  background-color: var(--gold);
  border-color: var(--gold);
  color: var(--ink-deep);
}

.page-news .button--solid:hover,
.page-news .button--solid:focus-visible {
  background-color: var(--paper);
  border-color: var(--paper);
}

.page-news .button--line {
  background-color: transparent;
  border-color: var(--line);
  color: var(--paper);
}

.page-news .button--line:hover,
.page-news .button--line:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

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

/* 通用区块标题 */
.page-news .section-head h2,
.page-news .log-export h2,
.page-news .log-archive h2 {
  margin: 0 0 12px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(22px, 3.4vw, 36px);
  line-height: 1.32;
  letter-spacing: .03em;
  color: var(--paper);
}

.page-news .body-copy {
  margin: 0 0 14px;
  max-width: 38em;
  font-size: clamp(14px, 1.6vw, 16px);
  line-height: 1.85;
  color: var(--muted);
}

/* 更新列表 */
.page-news .log-feed {
  margin-top: clamp(52px, 8vw, 96px);
}

.page-news .log-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(20px, 3vw, 30px) 0 clamp(16px, 2.4vw, 24px);
  padding-top: clamp(16px, 2.4vw, 22px);
  border-top: 1px solid var(--line);
}

.page-news .filter-button {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background-color: var(--panel);
  color: var(--muted);
  cursor: pointer;
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-news .filter-button:hover {
  color: var(--paper);
  border-color: var(--cyan);
}

.page-news .filter-button[aria-pressed="true"] {
  background-color: var(--gold);
  border-color: var(--gold);
  color: var(--ink-deep);
}

.page-news .filter-button:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-news .log-list {
  border-top: 1px solid var(--line);
}

.page-news .log-entry {
  position: relative;
  border-bottom: 1px solid var(--line);
}

.page-news .log-entry::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  background-color: var(--cyan);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .3s var(--ease);
}

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

.page-news .log-entry > summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "stage tag"
    "title tag";
  align-items: center;
  gap: 4px 14px;
  padding: 16px clamp(6px, 1.4vw, 16px);
  transition: background-color .24s var(--ease);
}

.page-news .log-entry > summary::-webkit-details-marker {
  display: none;
}

.page-news .log-entry > summary:hover {
  background-color: var(--panel-soft);
}

.page-news .log-entry > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-news .log-entry__stage {
  grid-area: stage;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-news .log-entry__title {
  grid-area: title;
  margin: 0;
  font-size: clamp(15px, 1.7vw, 18px);
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: .01em;
  color: var(--paper);
  transition: color .2s var(--ease);
}

.page-news .log-entry[open] > summary .log-entry__title {
  color: var(--gold);
}

.page-news .tag {
  grid-area: tag;
  align-self: center;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid currentColor;
  background-color: rgba(245, 242, 234, .04);
  white-space: nowrap;
}

.page-news .tag--ochre { color: var(--league-ochre); }
.page-news .tag--pine { color: var(--league-pine); }
.page-news .tag--slate { color: var(--league-slate); }
.page-news .tag--gold { color: var(--gold); }

.page-news .log-entry__body {
  padding: 14px clamp(6px, 1.4vw, 16px) 22px;
  border-top: 1px dashed var(--line);
  margin-top: 6px;
}

.page-news .log-entry__body p {
  margin: 0 0 10px;
  max-width: 40em;
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
}

.page-news .text-link {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-news .text-link:hover {
  color: var(--paper);
}

/* 年份时间轴 */
.page-news .log-archive {
  margin-top: clamp(56px, 9vw, 104px);
}

.page-news .log-archive__intro {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-news .log-archive__figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 16px 22px 14px 20px;
  border: 1px solid var(--line);
  background-color: var(--panel);
}

.page-news .media-caption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-news .timeline {
  position: relative;
  border-bottom: 1px solid var(--line);
}

.page-news .year-item {
  border-top: 1px solid var(--line);
}

.page-news .year-item > summary {
  list-style: none;
  cursor: pointer;
  position: sticky;
  top: 0;
  z-index: 2;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 6px 18px;
  padding: 12px 0;
  background: linear-gradient(to right, transparent 0 var(--rail-gap), var(--ink) var(--rail-gap));
}

.page-news .year-item > summary::-webkit-details-marker {
  display: none;
}

.page-news .year-item > summary::before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--rail-gap));
  top: 50%;
  width: 9px;
  height: 9px;
  margin-top: -5px;
  border-radius: 50%;
  background-color: var(--ink);
  border: 1px solid var(--line);
  transform: translateX(-50%);
  transition: background-color .24s var(--ease), border-color .24s var(--ease), box-shadow .24s var(--ease);
}

.page-news .year-item[open] > summary::before {
  background-color: var(--gold);
  border-color: var(--gold);
  box-shadow: 0 0 0 4px rgba(242, 179, 61, .16);
}

.page-news .year-item > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-news .year-item__year {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1.1;
  letter-spacing: .02em;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
  transition: color .2s var(--ease);
}

.page-news .year-item > summary:hover .year-item__year {
  color: var(--paper);
}

.page-news .year-item[open] .year-item__year {
  color: var(--gold);
}

.page-news .year-item__meta {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-news .year-item__body {
  padding: 2px 0 22px;
}

.page-news .year-item__body p {
  margin: 0;
  max-width: 40em;
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
}

/* 专题 */
.page-news .log-topics {
  margin-top: clamp(56px, 9vw, 104px);
}

.page-news .log-mosaic {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 120px 60px;
  gap: 10px;
  margin: clamp(20px, 3vw, 30px) 0 clamp(24px, 3.4vw, 36px);
}

.page-news .log-mosaic__img {
  grid-column: 1 / -1;
  grid-row: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 18px 24px 16px 22px;
  border: 1px solid var(--line);
}

.page-news .log-mosaic__block {
  border-radius: 14px;
  border: 1px solid var(--line);
}

.page-news .log-mosaic__block--gold {
  grid-column: 1;
  grid-row: 2;
  background: linear-gradient(120deg, rgba(242, 179, 61, .26), rgba(14, 22, 38, .9));
}

.page-news .log-mosaic__block--cyan {
  grid-column: 2;
  grid-row: 2;
  background: linear-gradient(120deg, rgba(87, 217, 208, .18), rgba(14, 22, 38, .9));
}

.page-news .topic-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .topic-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 12px 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .topic-item__no {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
  padding-top: 4px;
}

.page-news .topic-item__body h3 {
  margin: 0 0 6px;
  font-family: var(--serif);
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-news .topic-item__body p {
  margin: 0;
  max-width: 40em;
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
}

.page-news .topic-item .tag {
  padding-top: 4px;
}

/* 归档方法 */
.page-news .log-export {
  display: grid;
  gap: clamp(24px, 3.4vw, 40px);
  margin-top: clamp(56px, 9vw, 104px);
  padding-top: clamp(28px, 4vw, 44px);
  border-top: 2px solid var(--line);
}

.page-news .step-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
}

.page-news .step-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
}

.page-news .step-item__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
}

.page-news .step-item__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .log-export__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.page-news .log-export__figure img {
  width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border-radius: 16px 22px 14px 20px;
  border: 1px solid var(--line);
  background-color: var(--panel);
}

/* 更新节奏 */
.page-news .log-rhythm {
  margin-top: clamp(56px, 9vw, 104px);
  padding-top: clamp(28px, 4vw, 44px);
  border-top: 1px solid var(--line);
}

.page-news .rhythm-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px 20px;
  margin: clamp(24px, 3.4vw, 36px) 0;
}

.page-news .rhythm {
  border-left: 1px solid var(--line);
  padding-left: 16px;
}

.page-news .rhythm__value {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 4px;
  color: var(--paper);
}

.page-news .rhythm__num {
  font-family: var(--sans);
  font-weight: 900;
  font-size: clamp(30px, 5vw, 48px);
  line-height: 1;
  letter-spacing: -.01em;
  font-variant-numeric: tabular-nums;
}

.page-news .rhythm:first-child .rhythm__num {
  color: var(--gold);
}

.page-news .rhythm__unit {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--muted);
}

.page-news .rhythm__label {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .log-rhythm__note {
  margin-bottom: 0;
  padding-top: 18px;
  border-top: 1px dashed var(--line);
}

/* 相关页面 */
.page-news .log-next {
  display: grid;
  gap: 0;
  margin-top: clamp(52px, 8vw, 96px);
  border-top: 1px solid var(--line);
}

.page-news .log-next__link {
  display: grid;
  grid-template-columns: minmax(0, auto) minmax(0, 1fr);
  align-items: baseline;
  gap: 6px 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  transition: padding-left .24s var(--ease);
}

.page-news .log-next__link:hover,
.page-news .log-next__link:focus-visible {
  padding-left: 10px;
}

.page-news .log-next__label {
  font-family: var(--serif);
  font-size: clamp(15px, 1.9vw, 18px);
  font-weight: 700;
  letter-spacing: .03em;
  color: var(--paper);
}

.page-news .log-next__desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .log-next__link:hover .log-next__label,
.page-news .log-next__link:focus-visible .log-next__label {
  color: var(--cyan);
}

.page-news a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

@media (min-width: 760px) {
  .page-news .log-archive__intro {
    grid-template-columns: minmax(0, 1fr) minmax(0, 340px);
    align-items: center;
  }

  .page-news .log-mosaic {
    grid-template-columns: 1.4fr 1fr 1fr;
    grid-template-rows: repeat(2, 76px);
  }

  .page-news .log-mosaic__img {
    grid-column: 1 / span 2;
    grid-row: 1 / span 2;
  }

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

  .page-news .log-mosaic__block--cyan {
    grid-column: 3;
    grid-row: 2;
  }

  .page-news .log-export {
    grid-template-columns: minmax(0, 1fr) minmax(0, 420px);
    align-items: start;
  }

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

  .page-news .log-next {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 28px;
  }
}

@media (min-width: 980px) {
  .page-news .log-hero {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-news .log-export {
    grid-template-columns: minmax(0, 1fr) minmax(0, 460px);
  }

  .page-news .topic-item {
    grid-template-columns: 56px minmax(0, 1fr) auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .log-entry::after,
  .page-news .log-entry > summary,
  .page-news .year-item > summary::before,
  .page-news .log-next__link,
  .page-news .button {
    transition: none;
  }

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

  .page-news .log-next__link:hover {
    padding-left: 0;
  }
}
<<<END>>>