.page-news {
  --news-rail-w: 208px;
  --news-accent: var(--sand-500);
  background: var(--paper-100);
  color: var(--ink-900);
  font-family: var(--font-body);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.6rem, 5vw, 2.6rem) 0 0;
  color: var(--on-dark);
  background:
    radial-gradient(120% 88% at 86% 0%, rgba(47, 212, 198, 0.16) 0%, transparent 56%),
    linear-gradient(158deg, var(--indigo-950) 0%, var(--indigo-800) 60%, var(--indigo-950) 100%);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(45deg, rgba(200, 162, 74, 0.09) 0 1px, transparent 1px 26px),
    repeating-linear-gradient(-45deg, rgba(200, 162, 74, 0.09) 0 1px, transparent 1px 26px);
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 1;
}

.page-news .news-crumbs {
  margin-bottom: clamp(1.4rem, 4vw, 2.2rem);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--on-dark-muted);
}

.page-news .news-crumbs .crumbs__item + .crumbs__item { margin-left: 0.5rem; }
.page-news .news-crumbs a { color: var(--sand-200); text-decoration: none; }

.page-news .news-hero__eyebrow {
  color: var(--sand-500);
  letter-spacing: 0.16em;
}

.page-news .news-hero__title {
  margin: 0.7rem 0 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.68rem, 6vw, 3rem);
  line-height: 1.24;
  letter-spacing: -0.02em;
  color: var(--paper-050);
}

.page-news .news-hero__lede {
  margin: 1.15rem 0 0;
  max-width: 64ch;
  font-size: clamp(0.95rem, 2.6vw, 1.06rem);
  line-height: 1.95;
  color: var(--on-dark);
}

.page-news .news-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: clamp(1.4rem, 4vw, 2rem);
}

.page-news .news-hero .btn--ghost {
  border-color: var(--line-dark);
  color: var(--on-dark);
}

.page-news .news-hero .btn--ghost:hover {
  border-color: var(--cyan-400);
  color: var(--cyan-400);
}

.page-news .news-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 1.4rem;
  margin: clamp(1.8rem, 5vw, 2.6rem) 0 clamp(1.8rem, 5vw, 2.6rem);
}

.page-news .news-stats .stat {
  padding-top: 0.7rem;
  border-top: 1px solid var(--line-dark);
}

.page-news .news-stats .stat__num {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.02rem, 3vw, 1.24rem);
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  color: var(--sand-200);
}

.page-news .news-stats .stat__label {
  margin-top: 0.2rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--on-dark-muted);
}

.page-news .news-hero__media {
  position: relative;
  z-index: 1;
  margin: 0;
  aspect-ratio: 8 / 5;
  overflow: hidden;
  border-top: 1px solid var(--line-dark);
}

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

/* ---------- 主体骨架 ---------- */
.page-news .news-body-section {
  padding: clamp(2.2rem, 6vw, 3.6rem) 0 clamp(2.4rem, 6vw, 4rem);
  background: var(--paper-100);
}

.page-news .news-body {
  display: grid;
  gap: clamp(1.4rem, 4vw, 2.6rem);
}

.page-news .news-rail { display: none; }

.page-news .news-rail__eyebrow {
  margin: 0 0 0.7rem;
  color: var(--slate-400);
  letter-spacing: 0.16em;
}

.page-news .index-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.15rem;
}

.page-news .index-rail__link {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.5rem 0 0.5rem 0.75rem;
  border-left: 2px solid var(--line);
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--ink-900);
  text-decoration: none;
  transition: border-color var(--dur-2), color var(--dur-2), background-color var(--dur-2);
}

.page-news .index-rail__link:hover {
  border-left-color: var(--cyan-400);
  background: var(--paper-050);
}

.page-news .index-rail__link.is-active {
  border-left-color: var(--sand-500);
  color: var(--indigo-950);
  font-weight: 700;
}

.page-news .news-rail__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--sand-500);
  letter-spacing: 0.06em;
}

/* ---------- 章节头 ---------- */
.page-news .news-chapter {
  scroll-margin-top: 120px;
}

.page-news .news-chapter + .news-chapter {
  margin-top: clamp(2.6rem, 7vw, 4.4rem);
}

.page-news .chapter {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem 0.9rem;
  padding-bottom: 0.7rem;
  margin-bottom: 1.3rem;
  border-bottom: 1px solid var(--line-strong);
}

.page-news .chapter::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 68px;
  height: 2px;
  background: var(--sand-500);
}

.page-news .chapter__num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--sand-500);
}

.page-news .chapter__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.18rem, 3.8vw, 1.58rem);
  letter-spacing: -0.01em;
  color: var(--indigo-950);
}

.page-news .chapter__label {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate-400);
}

.page-news .news-subtitle {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--indigo-950);
}

.page-news .prose {
  max-width: 66ch;
  margin: 0.4rem 0 0;
  font-size: 1rem;
  line-height: 1.95;
  color: var(--ink-900);
}

/* ---------- 筛选带 ---------- */
.page-news .news-log-wrap { margin-top: clamp(1.2rem, 3.5vw, 1.8rem); }

.page-news .news-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 0 0.9rem;
  border-top: 1px solid var(--line-strong);
}

.page-news .filter-chip {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--indigo-800);
  cursor: pointer;
  transition: background-color var(--dur-2), border-color var(--dur-2), color var(--dur-2);
}

.page-news .filter-chip:hover {
  border-color: var(--sand-500);
  color: var(--sand-500);
}

.page-news .filter-chip[aria-pressed="true"] {
  background: var(--indigo-950);
  border-color: var(--indigo-950);
  color: var(--sand-200);
}

.page-news .news-filter__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--slate-400);
}

.page-news .news-filter__count strong {
  color: var(--indigo-950);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

/* ---------- 更新条目 ---------- */
.page-news .news-log { border-top: 1px solid var(--line-strong); }

.page-news .log-item {
  border-bottom: 1px solid var(--line);
  border-left: 3px solid var(--log-accent, var(--line-strong));
  background: transparent;
  transition: background-color var(--dur-2), border-color var(--dur-2);
}

.page-news .log-item[data-tags~="迭代"] { --log-accent: var(--sand-500); }
.page-news .log-item[data-tags~="适配"] { --log-accent: var(--cyan-400); }
.page-news .log-item[data-tags~="内容"] { --log-accent: var(--jade-500); }
.page-news .log-item[data-tags~="公告"] { --log-accent: var(--slate-400); }

.page-news .log-item:hover,
.page-news .log-item:focus-within { background: var(--paper-050); }

.page-news .log-item__h { margin: 0; }

.page-news .log-item .acc__btn {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.45rem 0.9rem;
  align-items: start;
  width: 100%;
  padding: 1.05rem 1rem 1.05rem 1.05rem;
  border: 0;
  background: transparent;
  text-align: left;
  font-family: inherit;
  color: inherit;
  cursor: pointer;
}

.page-news .log-item__time {
  grid-column: 1;
  grid-row: 1;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--slate-400);
}

.page-news .log-item__body {
  grid-column: 1 / -1;
  grid-row: 2;
  display: block;
}

.page-news .log-item .tag {
  grid-column: 2;
  grid-row: 1;
  justify-self: end;
  align-self: start;
}

.page-news .log-item__title {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(0.98rem, 2.7vw, 1.06rem);
  line-height: 1.6;
  color: var(--ink-900);
}

.page-news .log-item__summary {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--slate-400);
}

.page-news .log-item .acc__panel { display: block; }
.page-news.js .page-news .log-item .acc__panel { display: none; }
.page-news.js .page-news .acc__item:has(.acc__btn[aria-expanded="true"]) .acc__panel { display: block; }

.page-news .log-item .acc__panel-inner {
  padding: 0.9rem 1rem 1.15rem 1.05rem;
  border-top: 1px dashed var(--line);
}

.page-news .log-detail {
  margin: 0;
  display: grid;
  gap: 0.5rem;
}

.page-news .log-detail__row {
  display: grid;
  grid-template-columns: 5.4rem minmax(0, 1fr);
  gap: 0.6rem;
}

.page-news .log-detail dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--slate-400);
  padding-top: 0.18rem;
}

.page-news .log-detail dd {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--ink-900);
}

/* ---------- 通用图文分栏 ---------- */
.page-news .news-split { align-items: start; }

.page-news .news-split__text .prose { margin-top: 0; }

.page-news .news-figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: var(--indigo-950);
  box-shadow: var(--shadow-soft);
}

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

.page-news .news-figure--rhythm { aspect-ratio: 12 / 7; }
.page-news .news-figure--screen { aspect-ratio: 3 / 2; }
.page-news .news-figure--archive { aspect-ratio: 5 / 3; }

.page-news .news-figure__cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0.6rem 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  line-height: 1.6;
  color: var(--sand-200);
  background: linear-gradient(to top, rgba(11, 18, 48, 0.88), rgba(11, 18, 48, 0));
}

/* ---------- 迭代说明要点 ---------- */
.page-news .news-facts {
  list-style: none;
  margin: 1.3rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-news .news-facts li {
  position: relative;
  padding-left: 1.4rem;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--ink-900);
}

.page-news .news-facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 0.56rem;
  height: 0.56rem;
  border: 1px solid var(--sand-500);
  transform: rotate(45deg);
}

/* ---------- 显示宽度列表 ---------- */
.page-news .width-list {
  list-style: none;
  margin: 1.3rem 0 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
}

.page-news .width-list__row {
  display: grid;
  gap: 0.2rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
}

.page-news .width-list__px {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
  color: var(--sand-500);
}

.page-news .width-list__desc {
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--ink-900);
}

/* ---------- 同步记录 ---------- */
.page-news .sync-list {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
}

.page-news .sync-list li {
  display: grid;
  gap: 0.25rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line);
}

.page-news .sync-list__time {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--sand-500);
}

.page-news .sync-list__text {
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--ink-900);
}

.page-news .sync-list__state {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--jade-500);
}

/* ---------- 归档索引 ---------- */
.page-news .news-split--archive { margin-top: clamp(1.2rem, 3.5vw, 1.8rem); }

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

.page-news .archive-group { border-bottom: 1px solid var(--line); }
.page-news .archive-group__h { margin: 0; }

.page-news .archive-group .acc__btn {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.3rem 0.9rem;
  width: 100%;
  padding: 1rem 0.35rem;
  border: 0;
  background: transparent;
  text-align: left;
  font-family: inherit;
  color: inherit;
  cursor: pointer;
  transition: background-color var(--dur-2);
}

.page-news .archive-group .acc__btn:hover { background: var(--paper-050); }

.page-news .archive-group .acc__btn::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--sand-500);
}

.page-news .archive-group .acc__btn[aria-expanded="true"]::after { content: "－"; }

.page-news .archive-group__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--indigo-950);
}

.page-news .archive-group__range {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  font-variant-numeric: tabular-nums;
  color: var(--slate-400);
}

.page-news .news-archive .acc__panel { display: block; }
.page-news.js .page-news .news-archive .acc__panel { display: none; }
.page-news.js .page-news .news-archive .acc__item:has(.acc__btn[aria-expanded="true"]) .acc__panel { display: block; }

.page-news .news-archive .acc__panel-inner {
  padding: 0.2rem 0.35rem 1.2rem;
  border-top: 1px dashed var(--line);
}

.page-news .archive-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.page-news .archive-list li {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 0.7rem;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--ink-900);
}

.page-news .archive-list__no {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--sand-500);
  padding-top: 0.22rem;
}

.page-news .archive-more {
  margin: 1.1rem 0 0;
  font-size: 0.9rem;
  line-height: 1.8;
}

/* ---------- 后续入口 ---------- */
.page-news .news-next {
  padding: clamp(2.4rem, 7vw, 4rem) 0;
  background:
    radial-gradient(90% 120% at 10% 0%, rgba(31, 138, 112, 0.18) 0%, transparent 60%),
    var(--indigo-950);
  color: var(--on-dark);
}

.page-news .news-next__eyebrow {
  margin: 0;
  color: var(--sand-500);
  letter-spacing: 0.16em;
}

.page-news .news-next__title {
  margin: 0.6rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.24rem, 4vw, 1.8rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--paper-050);
}

.page-news .news-next__grid {
  display: grid;
  gap: 1px;
  margin-top: clamp(1.5rem, 4vw, 2.2rem);
  border: 1px solid var(--line-dark);
  background: var(--line-dark);
}

.page-news .news-next__item {
  display: grid;
  gap: 0.35rem;
  padding: 1.25rem 1.15rem;
  background: var(--indigo-950);
  text-decoration: none;
  color: var(--on-dark);
  transition: background-color var(--dur-2);
}

.page-news .news-next__item:hover { background: var(--indigo-800); }

.page-news .news-next__no {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--sand-500);
  transition: color var(--dur-2);
}

.page-news .news-next__item:hover .news-next__no { color: var(--cyan-400); }

.page-news .news-next__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--paper-050);
}

.page-news .news-next__desc {
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--on-dark-muted);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-news .log-item .acc__btn {
    grid-template-columns: 92px minmax(0, 1fr) auto;
    align-items: start;
    gap: 0.45rem 1rem;
    padding: 1.15rem 1.1rem 1.15rem 1.15rem;
  }

  .page-news .log-item__time {
    grid-column: 1;
    grid-row: 1;
    padding-top: 0.2rem;
  }

  .page-news .log-item__body {
    grid-column: 2;
    grid-row: 1;
    padding-left: 1rem;
    border-left: 1px solid var(--line);
  }

  .page-news .log-item .tag {
    grid-column: 3;
    grid-row: 1;
  }

  .page-news .log-item .acc__panel-inner {
    padding: 0.95rem 1.1rem 1.25rem calc(92px + 2.15rem);
  }

  .page-news .width-list__row {
    grid-template-columns: 6.6rem minmax(0, 1fr);
    gap: 1rem;
    align-items: baseline;
  }

  .page-news .sync-list li {
    grid-template-columns: 7.2rem minmax(0, 1fr) auto;
    gap: 1rem;
    align-items: baseline;
  }

  .page-news .news-next__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 768px) {
  .page-news .news-stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-news .news-hero__media { aspect-ratio: 8 / 3; }
  .page-news .log-detail__row { grid-template-columns: 6.2rem minmax(0, 1fr); }
}

@media (min-width: 1024px) {
  .page-news .news-body {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-rail {
    display: block;
    position: sticky;
    top: 118px;
    align-self: start;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-news .filter-chip,
  .page-news .index-rail__link,
  .page-news .log-item,
  .page-news .news-next__item,
  .page-news .archive-group .acc__btn {
    transition: none;
  }
}