.page-news {
  --news-rule: rgba(138, 91, 59, .3);
  --news-rule-soft: rgba(138, 91, 59, .16);
  --news-hover: rgba(207, 224, 218, .55);
  --news-chip-warranty: rgba(18, 58, 52, .08);
  --news-chip-tool: rgba(122, 140, 130, .16);
  --news-chip-data: rgba(138, 91, 59, .12);
  display: block;
}

.page-news .news-top {
  padding-top: 22px;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding: 26px 0 44px;
}

.page-news .news-hero__grid {
  display: grid;
  gap: 34px;
}

.page-news .news-hero__tag {
  display: block;
  margin: 0 0 14px;
  color: var(--grass);
}

.page-news .news-hero__title {
  margin: 0 0 18px;
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(33px, 7vw, 58px);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-news .news-hero__lead {
  max-width: 34em;
  margin: 0 0 26px;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--ink);
}

.page-news .news-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
  gap: 18px 20px;
  margin: 0;
  padding: 20px 0 0;
  list-style: none;
  border-top: 1px solid var(--news-rule-soft);
}

.page-news .news-facts__num {
  display: block;
  font-family: var(--mono);
  font-size: 25px;
  letter-spacing: .02em;
  color: var(--grass);
}

.page-news .news-facts__cap {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.55;
  letter-spacing: .02em;
  color: var(--ink);
}

.page-news .news-scale {
  margin: 0;
  padding: 20px 20px 16px;
  background: var(--mist);
  border: 1px solid var(--clay-line);
  box-shadow: 5px 5px 0 var(--clay-shadow);
}

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

.page-news .news-scale__line {
  stroke: var(--grass);
}

.page-news .news-scale__dot {
  fill: var(--cinnabar);
}

.page-news .news-scale__tick {
  fill: var(--ink);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .04em;
}

.page-news .news-scale__cap {
  display: block;
  margin-top: 12px;
  color: var(--ink-deep);
}

/* ---------- 本期摘要条 ---------- */
.page-news .news-summary {
  padding: 6px 0 62px;
}

.page-news .news-summary__panel {
  position: relative;
  overflow: hidden;
  background: var(--grass);
  border: 1px solid var(--clay-line);
  box-shadow: 8px 8px 0 var(--clay-shadow);
  color: var(--paper);
}

.page-news .news-summary__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .16;
}

.page-news .news-summary__body {
  position: relative;
  z-index: 1;
  padding: 36px 24px 34px;
}

.page-news .news-summary__label {
  display: block;
  margin: 0;
  color: var(--paper);
  opacity: .82;
}

.page-news .news-summary__title {
  margin: 10px 0 18px;
  color: var(--paper);
}

.page-news .news-summary__list {
  max-width: 60ch;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  counter-reset: sum;
}

.page-news .news-summary__list li {
  position: relative;
  padding: 11px 0 11px 44px;
  border-top: 1px solid rgba(246, 242, 233, .26);
  font-size: 16px;
  line-height: 1.72;
  color: var(--paper);
  counter-increment: sum;
}

.page-news .news-summary__list li::before {
  content: "0" counter(sum);
  position: absolute;
  left: 0;
  top: 12px;
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: .02em;
  color: var(--paper);
  opacity: .78;
}

/* ---------- 条目列表与筛选 ---------- */
.page-news .news-log {
  padding: 62px 0;
}

.page-news .news-log__grid {
  display: grid;
  gap: 40px;
}

.page-news .news-log__intro {
  max-width: 40em;
  margin: 12px 0 28px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink);
}

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

.page-news .filter-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-news .filter-chip {
  cursor: pointer;
  user-select: none;
  transition: background-color .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}

.page-news .filter-chip:hover {
  border-color: var(--grass);
}

.page-news .filter-input:checked + .filter-chip {
  background: var(--grass);
  border-color: var(--grass);
  color: var(--paper);
}

.page-news .filter-input:focus-visible + .filter-chip {
  outline: 2px solid var(--cinnabar);
  outline-offset: 2px;
}

.page-news .filter-note {
  display: block;
  margin: 12px 0 0;
  color: var(--ink);
}

.page-news .log-filter:has(.filter-input:checked) .log-item {
  display: none;
}

.page-news .log-filter:has(#f-quarterly:checked) .log-item--quarterly,
.page-news .log-filter:has(#f-warranty:checked) .log-item--warranty,
.page-news .log-filter:has(#f-tool:checked) .log-item--tool,
.page-news .log-filter:has(#f-data:checked) .log-item--data {
  display: block;
}

.page-news .log-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin-top: 24px;
  border-top: 1px dashed var(--news-rule);
}

.page-news .log-item {
  border-bottom: 1px dashed var(--news-rule);
}

.page-news .log-item__summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 6px 12px;
  padding: 17px 10px;
  cursor: pointer;
  list-style: none;
  transition: background-color .2s var(--ease);
}

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

.page-news .log-item__summary:hover,
.page-news .log-item[open] .log-item__summary {
  background: var(--news-hover);
}

.page-news .log-item__issue {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  min-width: 0;
}

.page-news .log-item__issue .num {
  font-size: 15px;
  color: var(--grass);
}

.page-news .log-item__boards {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--ink);
  opacity: 0;
  transition: opacity .2s var(--ease);
}

.page-news .log-item__summary:hover .log-item__boards,
.page-news .log-item[open] .log-item__boards {
  opacity: .62;
}

.page-news .log-item__title {
  grid-column: 1 / -1;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.55;
  color: var(--ink);
}

.page-news .log-item__chip {
  justify-self: end;
}

.page-news .log-item--quarterly .log-item__chip {
  border-color: var(--grass);
  color: var(--grass);
  background: var(--grass-tint);
}

.page-news .log-item--warranty .log-item__chip {
  border-color: var(--ink-deep);
  color: var(--ink-deep);
  background: var(--news-chip-warranty);
}

.page-news .log-item--tool .log-item__chip {
  border-color: var(--moss);
  color: var(--ink);
  background: var(--news-chip-tool);
}

.page-news .log-item--data .log-item__chip {
  border-color: var(--clay);
  color: var(--ink);
  background: var(--news-chip-data);
}

.page-news .log-item__detail {
  max-width: 62ch;
  margin: 0;
  padding: 2px 10px 20px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink);
}

.page-news .log-item__detail a {
  color: var(--grass);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .log-figure {
  grid-column: 1 / -1;
  margin: 26px 0 30px;
}

.page-news .log-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--clay-line);
  box-shadow: 4px 4px 0 var(--clay-shadow);
}

.page-news .log-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: .02em;
  color: var(--ink);
}

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

/* ---------- 阅读方式说明 ---------- */
.page-news .news-reading__grid {
  display: grid;
  gap: 36px;
}

.page-news .news-reading__list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: read;
}

.page-news .news-reading__list li {
  position: relative;
  padding: 15px 0 15px 46px;
  border-top: 1px solid var(--news-rule-soft);
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
  counter-increment: read;
}

.page-news .news-reading__list li::before {
  content: counter(read);
  position: absolute;
  left: 0;
  top: 17px;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--paper);
  background: var(--ink-deep);
}

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

/* ---------- 回溯入口 ---------- */
.page-news .news-ref {
  padding: 62px 0 72px;
}

.page-news .news-ref__panel {
  padding: 34px 24px;
}

.page-news .news-ref__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: 5fr 7fr;
    align-items: end;
    gap: 48px;
  }

  .page-news .news-reading__grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
    gap: 48px;
  }

  .page-news .news-summary__body {
    padding: 44px 40px 42px;
  }

  .page-news .news-ref__panel {
    padding: 40px 40px 42px;
  }
}

@media (min-width: 1060px) {
  .page-news .news-log__grid {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 52px;
  }

  .page-news .log-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 56px;
  }

  .page-news .log-item:nth-child(even) {
    margin-top: 26px;
  }

  .page-news .news-log__side {
    position: sticky;
    top: 96px;
    align-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .log-item__summary,
  .page-news .log-item__boards,
  .page-news .filter-chip {
    transition: none;
  }
}