.page-news {
  --news-cut: 14px;
  --news-line: 1px solid var(--grid);
  background: var(--ink-900);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-news .ins-wrap {
  width: var(--shell);
  margin-inline: auto;
}

/* ---------- 首屏 ---------- */

.page-news .ins-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 3.5rem) 0 3.25rem;
  background:
    radial-gradient(120% 92% at 88% 0%, rgba(47, 247, 214, 0.16), transparent 58%),
    radial-gradient(90% 70% at 0% 100%, rgba(255, 138, 43, 0.12), transparent 60%),
    var(--ink-900);
  border-bottom: 1px solid var(--grid);
}

.page-news .ins-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-news .ins-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  opacity: 0.22;
  filter: saturate(0.72) contrast(1.06);
}

.page-news .ins-hero::before {
  content: "";
  position: absolute;
  right: -12%;
  top: -22%;
  width: 54%;
  height: 124%;
  background: linear-gradient(150deg, rgba(47, 247, 214, 0.14), transparent 70%);
  transform: skewX(-12deg);
  z-index: 1;
  pointer-events: none;
}

.page-news .ins-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(4, 18, 12, 0.6) 0%, rgba(4, 18, 12, 0.85) 58%, var(--ink-900) 100%);
  pointer-events: none;
}

.page-news .ins-hero__inner {
  position: relative;
  z-index: 2;
  width: var(--shell);
  margin-inline: auto;
}

.page-news .ins-hero .crumbs {
  margin-bottom: 1.5rem;
}

.page-news .ins-hero h1 {
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.14;
  font-size: clamp(2rem, 6.2vw, 3.35rem);
  margin: 0.85rem 0 0;
  max-width: 22ch;
  color: var(--text);
}

.page-news .ins-hero__lead {
  margin: 1.35rem 0 0;
  max-width: 44em;
  color: var(--text-dim);
  font-size: 1rem;
  line-height: 1.78;
}

.page-news .ins-hero__marks {
  margin-top: 1.85rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* ---------- 分类标签 ---------- */

.page-news .ins-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.28rem 0.62rem;
  font-size: 0.75rem;
  line-height: 1.45;
  letter-spacing: 0.05em;
  border: 1px solid var(--grid);
  background: rgba(16, 48, 38, 0.72);
  color: var(--text-dim);
  white-space: nowrap;
}

.page-news .ins-tag--preview {
  color: var(--cyan);
  border-color: rgba(47, 247, 214, 0.42);
  background: rgba(47, 247, 214, 0.08);
}

.page-news .ins-tag--review {
  color: var(--orange-soft);
  border-color: rgba(255, 138, 43, 0.45);
  background: rgba(255, 138, 43, 0.08);
}

.page-news .ins-tag--version {
  color: var(--cyan-soft);
  border-color: rgba(185, 255, 240, 0.32);
  background: rgba(185, 255, 240, 0.06);
}

.page-news .ins-tag--data {
  color: var(--cyan);
  border-color: rgba(47, 247, 214, 0.22);
  background: rgba(30, 74, 60, 0.55);
}

.page-news .ins-tag--guide {
  color: var(--text-dim);
  background: rgba(16, 48, 38, 0.55);
}

/* ---------- 通用章节 ---------- */

.page-news .ins-section {
  padding: 4rem 0;
}

.page-news .ins-section--feed {
  background: var(--ink-850);
  border-top: 1px solid var(--grid);
  border-bottom: 1px solid var(--grid);
}

.page-news .ins-section--cadence {
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(255, 138, 43, 0.09), transparent 62%),
    var(--ink-800);
  border-top: 1px solid var(--grid);
}

.page-news .ins-sechead {
  max-width: 46rem;
  margin-bottom: 2.5rem;
}

.page-news .ins-sechead .section__title {
  margin: 0.65rem 0 0;
  font-family: var(--font-head);
  letter-spacing: -0.015em;
}

.page-news .ins-sechead .section__lead {
  margin: 0.9rem 0 0;
  color: var(--text-dim);
  line-height: 1.78;
  font-size: 0.9375rem;
}

/* ---------- 精选专题：错位卡片 ---------- */

.page-news .feat-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.page-news .feat-card {
  position: relative;
  background: var(--ink-700);
  border: 1px solid var(--grid);
  clip-path: polygon(var(--news-cut) 0, 100% 0, 100% calc(100% - var(--news-cut)), calc(100% - var(--news-cut)) 100%, 0 100%, 0 var(--news-cut));
  overflow: hidden;
}

.page-news .feat-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), rgba(47, 247, 214, 0) 72%);
  z-index: 2;
}

.page-news .feat-card--b::before {
  background: linear-gradient(90deg, var(--orange), rgba(255, 138, 43, 0) 72%);
}

.page-news .feat-card--c::before {
  background: linear-gradient(90deg, var(--cyan-soft), rgba(185, 255, 240, 0) 72%);
}

.page-news .feat-card__figure {
  margin: 0;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--ink-800);
  border-bottom: 1px solid var(--grid);
}

.page-news .feat-card__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
}

.page-news .feat-card__body {
  padding: 1.3rem 1.25rem 1.5rem;
}

.page-news .feat-card__title {
  font-family: var(--font-head);
  font-size: 1.18rem;
  font-weight: 700;
  line-height: 1.42;
  letter-spacing: -0.01em;
  margin: 0.8rem 0 0;
  color: var(--text);
}

.page-news .feat-card__text {
  margin: 0.75rem 0 0;
  color: var(--text-dim);
  font-size: 0.9375rem;
  line-height: 1.78;
}

.page-news .feat-card__more {
  margin-top: 1rem;
  border-top: 1px dashed var(--grid);
  padding-top: 0.85rem;
}

.page-news .feat-card__more summary {
  cursor: pointer;
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.page-news .feat-card__more summary::-webkit-details-marker {
  display: none;
}

.page-news .feat-card__more summary::before {
  content: "";
  width: 6px;
  height: 6px;
  background: currentColor;
  transform: rotate(45deg);
  flex-shrink: 0;
}

.page-news .feat-card__more[open] summary::before {
  transform: rotate(135deg);
}

.page-news .feat-card__more ul {
  margin: 0.75rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.5rem;
}

.page-news .feat-card__more li {
  position: relative;
  padding-left: 0.95rem;
  font-size: 0.84375rem;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-news .feat-card__more li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 4px;
  height: 4px;
  background: var(--cyan);
}

.page-news .feat-card__link {
  display: inline-block;
  margin-top: 1.15rem;
  font-size: 0.875rem;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 247, 214, 0.35);
  padding-bottom: 2px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .feat-card__link:hover {
  color: var(--cyan-soft);
  border-color: var(--cyan-soft);
}

/* ---------- 侧栏 + 双列内容流 ---------- */

.page-news .ins-board {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.page-news .ins-side__block + .ins-side__block {
  margin-top: 2rem;
}

.page-news .ins-side__title {
  font-family: var(--font-head);
  font-size: 0.78125rem;
  letter-spacing: 0.16em;
  color: var(--text-dim);
  margin: 0 0 0.9rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--grid);
}

.page-news .cat-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.page-news .cat-filter__input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-news .cat-filter__chip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--grid);
  border-left: 3px solid transparent;
  background: rgba(16, 48, 38, 0.55);
  color: var(--text-dim);
  font-size: 0.875rem;
  line-height: 1.4;
  cursor: pointer;
  user-select: none;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .cat-filter__chip:hover {
  color: var(--text);
  background: rgba(16, 48, 38, 0.95);
}

.page-news .cat-filter__input:checked + .cat-filter__chip {
  color: var(--ink-900);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-news .cat-filter__input:focus-visible + .cat-filter__chip {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-news .cat-filter__count {
  font-family: var(--font-num);
  font-size: 0.72rem;
  opacity: 0.85;
}

.page-news .pulse {
  display: block;
  width: 100%;
  height: auto;
  margin-bottom: 1rem;
}

.page-news .pulse-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-news .pulse-list li {
  position: relative;
  padding-left: 0.95rem;
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--text-dim);
}

.page-news .pulse-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 4px;
  height: 4px;
  background: var(--cyan);
}

.page-news .feed-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-news .feed-card {
  position: relative;
  padding: 1.1rem 1.15rem 1.2rem;
  background: var(--ink-700);
  border: var(--news-line);
  transition: background 0.2s var(--ease);
}

.page-news .feed-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--grid);
}

.page-news .feed-card[data-cat="preview"]::before {
  background: var(--cyan);
}

.page-news .feed-card[data-cat="review"]::before {
  background: var(--orange);
}

.page-news .feed-card[data-cat="version"]::before {
  background: var(--cyan-soft);
}

.page-news .feed-card[data-cat="data"]::before {
  background: rgba(47, 247, 214, 0.55);
}

.page-news .feed-card[data-cat="guide"]::before {
  background: rgba(157, 184, 174, 0.6);
}

.page-news .feed-card:hover {
  background: var(--ink-800);
}

.page-news .feed-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.page-news .feed-card__time {
  font-family: var(--font-num);
  font-size: 0.72rem;
  color: var(--text-dim);
  white-space: nowrap;
}

.page-news .feed-card__title {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.005em;
  margin: 0.7rem 0 0;
  color: var(--text);
}

.page-news .feed-card__sum {
  margin: 0.55rem 0 0;
  font-size: 0.875rem;
  line-height: 1.72;
  color: var(--text-dim);
}

/* 分类筛选（无脚本时「全部」默认选中，十条内容均可见） */

.page-news:has(#nf-review:checked) .feed-card:not([data-cat="review"]),
.page-news:has(#nf-preview:checked) .feed-card:not([data-cat="preview"]),
.page-news:has(#nf-version:checked) .feed-card:not([data-cat="version"]),
.page-news:has(#nf-data:checked) .feed-card:not([data-cat="data"]),
.page-news:has(#nf-guide:checked) .feed-card:not([data-cat="guide"]) {
  display: none;
}

/* ---------- 版本更新记录 ---------- */

.page-news .ver-figure {
  margin: 0 0 2rem;
  background: var(--ink-700);
  border: var(--news-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--news-cut)), calc(100% - var(--news-cut)) 100%, 0 100%);
  overflow: hidden;
}

.page-news .ver-figure img {
  display: block;
  width: 100%;
  height: auto;
  opacity: 0.85;
}

.page-news .ver-figure figcaption {
  padding: 0.8rem 1.05rem;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--text-dim);
  border-top: 1px solid var(--grid);
}

.page-news .ver-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}

.page-news .ver-item {
  background: var(--ink-700);
  border: var(--news-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--news-cut)), calc(100% - var(--news-cut)) 100%, 0 100%);
}

.page-news .ver-item summary {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.85rem;
  padding: 1rem 1.15rem;
  cursor: pointer;
  list-style: none;
}

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

.page-news .ver-item summary::after {
  content: "+";
  margin-left: 0.5rem;
  font-family: var(--font-num);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--cyan);
}

.page-news .ver-item details[open] > summary::after {
  content: "−";
}

.page-news .ver-sum__no {
  font-family: var(--font-num);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--orange);
}

.page-news .ver-sum__name {
  font-size: 0.9375rem;
  color: var(--text);
}

.page-news .ver-sum__flag {
  margin-left: auto;
  padding: 0.12rem 0.5rem;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--cyan);
  border: 1px solid rgba(47, 247, 214, 0.4);
}

.page-news .ver-body {
  padding: 1rem 1.15rem 1.2rem;
  border-top: 1px solid var(--grid);
}

.page-news .ver-body__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-news .ver-body__list li {
  position: relative;
  padding-left: 1rem;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-news .ver-body__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 5px;
  height: 5px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-news .ver-body__list strong {
  color: var(--text);
  font-weight: 600;
}

.page-news .ver-scope {
  display: block;
  margin-top: 0.2rem;
  font-family: var(--font-num);
  font-size: 0.75rem;
  color: var(--grid);
  filter: brightness(1.9);
}

/* ---------- 回访节奏 ---------- */

.page-news .cadence {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.page-news .cadence__intro {
  margin: 1rem 0 0;
  color: var(--text-dim);
  font-size: 0.9375rem;
  line-height: 1.78;
  max-width: 42em;
}

.page-news .cadence__list {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.page-news .cadence__list li {
  display: flex;
  gap: 0.9rem;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--text-dim);
}

.page-news .cadence__list .num {
  flex-shrink: 0;
  padding-top: 0.15rem;
  font-family: var(--font-num);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--orange);
}

.page-news .cadence__panel {
  padding: 1.5rem 1.4rem 1.6rem;
  background: var(--ink-700);
  border: var(--news-line);
  border-left: 3px solid var(--orange);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--news-cut)), calc(100% - var(--news-cut)) 100%, 0 100%);
}

.page-news .cadence__panel h3 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 0.65rem;
  color: var(--text);
}

.page-news .cadence__panel p {
  margin: 0 0 1.3rem;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-news .cadence__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-news .feed-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.1rem;
  }
}

@media (min-width: 900px) {
  .page-news .feat-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
    align-items: start;
  }

  .page-news .feat-card--b {
    margin-top: 2.5rem;
  }

  .page-news .feat-card--c {
    margin-top: 5rem;
  }

  .page-news .cadence {
    grid-template-columns: 1.55fr 1fr;
    gap: 3rem;
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-news .ins-section {
    padding: 5rem 0;
  }

  .page-news .ins-board {
    grid-template-columns: 258px minmax(0, 1fr);
    gap: 3rem;
    align-items: start;
  }

  .page-news .ins-side {
    position: sticky;
    top: calc(var(--header-h) + 1.75rem);
  }

  .page-news .cat-filter {
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .page-news .cat-filter__chip {
    width: 100%;
  }
}

@media (min-width: 1200px) {
  .page-news .feat-card__title {
    font-size: 1.24rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .feat-card__link,
  .page-news .cat-filter__chip,
  .page-news .feed-card {
    transition: none;
  }
}
<<<END>>>