.page-news {
  --news-rail-w: 148px;
  background-color: var(--paper-50);
  color: var(--brown-900);
}

.page-news .news-masthead,
.page-news .news-highlights {
  background-image:
    linear-gradient(rgba(201, 162, 39, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 162, 39, 0.07) 1px, transparent 1px);
  background-size: 64px 64px;
}

/* ---------- 报头 ---------- */
.page-news .news-masthead {
  padding: clamp(20px, 4vw, 40px) 0 clamp(28px, 4vw, 48px);
  border-bottom: 1px solid var(--line);
}

.page-news .news-masthead__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 40px);
  margin-top: clamp(20px, 3vw, 32px);
}

.page-news .news-masthead__title {
  margin: 12px 0 0;
  font-family: var(--font-title);
  font-size: clamp(2.1rem, 6.4vw, 3.9rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-news .news-masthead__lede {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--gray-600);
}

.page-news .masthead-facts {
  list-style: none;
  margin: 24px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line-gold-soft);
  display: grid;
  gap: 10px;
}

.page-news .masthead-facts li {
  display: grid;
  gap: 2px;
}

.page-news .masthead-facts__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: var(--track);
  color: var(--gold-600);
}

.page-news .masthead-facts__v {
  font-size: 15px;
  color: var(--ink-900);
}

/* ---------- 图片容器 ---------- */
.page-news .figure {
  margin: 0;
}

.page-news .figure__frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--paper-200);
}

.page-news .figure__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(120% 90% at 50% 40%, rgba(11, 31, 26, 0) 45%, rgba(11, 31, 26, 0.34) 100%);
}

.page-news .figure__frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-news .figure__cap {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.06em;
  color: var(--gray-600);
}

.page-news .news-masthead__figure .figure__frame {
  aspect-ratio: 3 / 2;
}

/* ---------- 本季要目 ---------- */
.page-news .news-highlights {
  padding: clamp(24px, 4vw, 40px) 0;
  border-bottom: 1px solid var(--line);
  background-color: #faf5e7;
}

.page-news .highlights__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--gold-500);
}

.page-news .highlights__title {
  margin: 0;
  font-family: var(--font-title);
  font-size: clamp(1.25rem, 3vw, 1.6rem);
  color: var(--ink-900);
}

.page-news .highlights__note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gray-600);
}

.page-news .news-briefs {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
}

.page-news .brief {
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
}

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

.page-news .brief__meta {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0;
}

.page-news .brief__num {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--gold-600);
}

.page-news .brief__time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: var(--track);
  color: var(--gray-600);
}

.page-news .brief__text {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--brown-900);
}

/* ---------- 主体骨架 ---------- */
.page-news .news-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  padding-top: clamp(28px, 4vw, 48px);
  padding-bottom: clamp(40px, 6vw, 80px);
}

.page-news .news-rail__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: var(--track);
  color: var(--gold-600);
}

.page-news .index-rail {
  display: block;
}

.page-news .index-rail__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14px;
  color: var(--gray-600);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-news .index-rail__item:hover,
.page-news .index-rail__item:focus-visible {
  color: var(--ink-900);
  border-bottom-color: var(--line-gold);
}

.page-news .index-rail__item:focus-visible {
  outline: 2px solid var(--gold-500);
  outline-offset: 2px;
}

.page-news .index-rail__item[aria-current="true"] {
  color: var(--ink-900);
  border-bottom-color: var(--gold-500);
}

.page-news .index-rail__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: var(--track);
  color: var(--gold-600);
}

.page-news .news-main {
  min-width: 0;
}

/* ---------- 章节通用 ---------- */
.page-news .news-block {
  padding-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--line-gold-soft);
}

.page-news .news-main > .news-block + .news-block {
  margin-top: clamp(36px, 5vw, 64px);
}

.page-news .news-block__head {
  margin-bottom: clamp(16px, 2.4vw, 26px);
}

.page-news .news-block__head .section-title {
  margin: 10px 0 0;
}

.page-news .news-block__intro {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray-600);
}

/* ---------- 维护记录 ---------- */
.page-news .chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(14px, 2vw, 22px);
}

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

.page-news .record {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
  transition: background-color var(--t-fast) var(--ease);
}

.page-news .record:hover {
  background-color: rgba(201, 162, 39, 0.07);
}

.page-news .record:focus-visible {
  outline: 2px solid var(--gold-500);
  outline-offset: -2px;
}

.page-news .record__num {
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink-900);
}

.page-news .record__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-news .record__tag {
  display: inline-block;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-900);
  background: var(--gold-100);
  border: 1px solid var(--line-gold-soft);
}

.page-news .record__time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: var(--track);
  color: var(--gray-600);
}

.page-news .record__text {
  display: block;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--brown-900);
}

.page-news .record--minor .record__text {
  font-size: 14.5px;
  color: var(--gray-600);
}

.page-news .record--pricing .record__num {
  color: var(--crimson-700);
}

.page-news .record--pricing .record__tag {
  background: transparent;
  border-color: rgba(110, 31, 39, 0.45);
  color: var(--crimson-700);
}

/* ---------- 版本日志 ---------- */
.page-news .news-block__figure {
  margin: 0 0 clamp(18px, 3vw, 28px);
}

.page-news .news-block__figure .figure__frame {
  aspect-ratio: 10 / 7;
}

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

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

.page-news .version__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-news .version__summary:focus-visible {
  outline: 2px solid var(--gold-500);
  outline-offset: 2px;
}

.page-news .version__num {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--gold-600);
}

.page-news .version__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: var(--track);
  color: var(--gray-600);
}

.page-news .version__hint {
  flex-basis: 100%;
  font-size: 15px;
  color: var(--ink-900);
}

.page-news .version__toggle {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: var(--track);
  color: var(--gold-600);
}

.page-news .version__toggle::before {
  content: "展开";
}

.page-news .version[open] .version__toggle::before {
  content: "收起";
}

.page-news .version[open] .version__summary {
  border-bottom: 1px solid var(--line-gold-soft);
}

.page-news .version__body {
  padding: 0;
}

.page-news .version[open] .version__body {
  margin-left: 2px;
  padding: 16px 0 22px 18px;
  border-left: 2px solid var(--gold-500);
}

.page-news .version__specs {
  margin: 0;
  display: grid;
  gap: 14px;
}

.page-news .version__specs dt {
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: var(--track);
  color: var(--gold-600);
}

.page-news .version__specs dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--gray-600);
}

/* ---------- 专题系列 ---------- */
.page-news .series-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 36px);
}

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

.page-news .series-item {
  padding: 20px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .series-item__idx {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: var(--track);
  color: var(--gold-600);
}

.page-news .series-item__name {
  margin: 8px 0 0;
  font-family: var(--font-title);
  font-size: clamp(1.1rem, 2.2vw, 1.35rem);
  color: var(--ink-900);
}

.page-news .series-item__text {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray-600);
}

.page-news .series-item__link {
  display: inline-block;
  margin-top: 12px;
  padding-bottom: 2px;
  font-size: 14px;
  color: var(--gold-600);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-news .series-item__link:hover,
.page-news .series-item__link:focus-visible {
  color: var(--ink-900);
  border-bottom-color: var(--ink-900);
}

.page-news .series-item__link:focus-visible {
  outline: 2px solid var(--gold-500);
  outline-offset: 2px;
}

.page-news .series-figure .figure__frame {
  aspect-ratio: 3 / 4;
}

/* ---------- 旧版资料 ---------- */
.page-news .archive-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 36px);
}

.page-news .archive-figure .figure__frame {
  aspect-ratio: 3 / 4;
}

.page-news .archive-copy p {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray-600);
}

.page-news .archive-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-news .archive-list li {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .archive-list__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: var(--track);
  color: var(--gold-600);
}

.page-news .archive-list__v {
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-900);
}

.page-news .archive-note {
  font-size: 14px;
}

/* ---------- 订阅与反馈 ---------- */
.page-news .news-block--feedback {
  padding: clamp(26px, 4vw, 44px);
  background: var(--ink-900);
  color: var(--paper-50);
  border-top: 0;
  border-left: 3px solid var(--gold-500);
}

.page-news .news-block--feedback .eyebrow {
  color: var(--gold-300);
}

.page-news .feedback__title {
  margin: 10px 0 0;
  font-family: var(--font-title);
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  color: var(--paper-50);
}

.page-news .feedback__text {
  margin: 14px 0 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(246, 241, 228, 0.82);
}

.page-news .feedback__actions {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-news .masthead-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 clamp(12px, 3vw, 28px);
  }

  .page-news .masthead-facts li + li {
    padding-left: clamp(12px, 2vw, 20px);
    border-left: 1px solid var(--line-soft);
  }

  .page-news .archive-list li {
    grid-template-columns: 116px minmax(0, 1fr);
    gap: 0 20px;
    align-items: baseline;
  }
}

@media (min-width: 720px) {
  .page-news .version__hint {
    flex-basis: auto;
  }

  .page-news .record {
    grid-template-columns: 68px 176px minmax(0, 1fr);
    gap: 0 20px;
    align-items: start;
    padding: 18px 0;
  }

  .page-news .record__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .page-news .version__specs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 24px;
  }

  .page-news .version__specs > div + div {
    padding-left: 24px;
    border-left: 1px solid var(--line-soft);
  }

  .page-news .version__specs > div + div > dl,
  .page-news .version__specs > div + div > div {
    margin: 0;
  }
}

@media (min-width: 760px) {
  .page-news .news-briefs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .brief {
    padding: 18px clamp(16px, 2.4vw, 26px);
    border-bottom: 0;
    border-left: 1px solid var(--line-soft);
  }

  .page-news .brief:first-child {
    padding-left: 0;
    border-left: 0;
  }

  .page-news .brief:last-child {
    padding-right: 0;
  }
}

@media (min-width: 880px) {
  .page-news .series-layout {
    grid-template-columns: minmax(0, 1fr) 280px;
    align-items: start;
  }

  .page-news .archive-layout {
    grid-template-columns: 280px minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-news .news-masthead__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }
}

@media (min-width: 940px) {
  .page-news .news-body {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-rail {
    position: sticky;
    top: 100px;
  }
}

@media (max-width: 939px) {
  .page-news .index-rail {
    display: flex;
    gap: 8px;
    padding-bottom: 8px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .page-news .index-rail__item {
    flex: 0 0 auto;
    padding: 7px 14px;
    font-size: 13px;
    white-space: nowrap;
    border: 1px solid var(--line-gold-soft);
    border-radius: var(--radius-pill);
  }

  .page-news .index-rail__item[aria-current="true"] {
    background: var(--gold-100);
    border-color: var(--gold-500);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .record,
  .page-news .index-rail__item,
  .page-news .series-item__link {
    transition: none;
  }
}