.page-news {
  --news-rail-w: 208px;
  --news-cat-all: var(--paper);
  --news-cat-revamp: var(--amber);
  --news-cat-feature: var(--teal);
  --news-cat-structure: var(--muted);
  --news-cat-experience: var(--sand);
  color: var(--paper);
}

.page-news [data-cat="all"] { --cat: var(--news-cat-all); }
.page-news [data-cat="revamp"] { --cat: var(--news-cat-revamp); }
.page-news [data-cat="feature"] { --cat: var(--news-cat-feature); }
.page-news [data-cat="structure"] { --cat: var(--news-cat-structure); }
.page-news [data-cat="experience"] { --cat: var(--news-cat-experience); }

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding: 20px 0 32px;
  background:
    radial-gradient(120% 90% at 90% 0%, rgba(79, 224, 200, .12), transparent 62%),
    linear-gradient(180deg, rgba(18, 40, 61, .78), rgba(11, 27, 43, 0));
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-news .news-hero__grid {
  display: grid;
  gap: 22px;
  margin-top: 18px;
}

.page-news .news-hero h1 {
  font-family: var(--font-display);
  font-size: 30px;
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin: 10px 0 14px;
  color: var(--paper);
}

.page-news .news-hero .lede {
  margin: 0 0 18px;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

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

.page-news .news-hero__ruler {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 54px;
  opacity: .85;
}

.page-news .ruler-tick {
  width: 5px;
  border-radius: 3px;
  background: var(--track);
}

.page-news .ruler-tick:nth-child(3n) { height: 28px; }
.page-news .ruler-tick:nth-child(3n+1) { height: 17px; }
.page-news .ruler-tick:nth-child(3n+2) { height: 23px; }
.page-news .ruler-tick:first-child { height: 50px; background: var(--teal); }
.page-news .ruler-tick:last-child { background: var(--amber); opacity: .55; }

/* ---------- 主布局 ---------- */
.page-news .news-layout {
  display: grid;
  gap: 6px;
  padding-bottom: 40px;
}

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

/* ---------- 左侧期次轨道 ---------- */
.page-news .news-rail {
  padding: 14px 0 10px;
  border-bottom: 1px solid var(--line-soft);
}

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

.page-news .news-rail__label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-news .rail-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-news .rail-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  background: rgba(18, 40, 61, .8);
  color: var(--muted);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: color .24s var(--ease), border-color .24s var(--ease);
}

.page-news .rail-link:hover,
.page-news .rail-link:focus-visible {
  color: var(--teal);
  border-color: rgba(79, 224, 200, .55);
  outline: none;
}

.page-news .rail-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--track);
}

.page-news .rail-link[data-state="current"] {
  color: var(--teal);
  border-color: rgba(79, 224, 200, .6);
}

.page-news .rail-link[data-state="current"] .rail-dot {
  background: var(--teal);
  box-shadow: 0 0 0 3px rgba(79, 224, 200, .18);
}

/* ---------- 章节通用 ---------- */
.page-news .news-block {
  padding: 34px 0 10px;
  scroll-margin-top: 92px;
}

.page-news .news-block__title {
  margin: 6px 0 12px;
  font-size: 25px;
  line-height: 1.35;
  color: var(--paper);
}

.page-news .news-block__lede {
  margin: 0 0 22px;
  max-width: 64ch;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.85;
}

/* ---------- 类别索引条 ---------- */
.page-news .cat-index {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 20px;
  padding: 9px 11px;
  border: 1px solid var(--line-soft);
  border-radius: 18px;
  background: rgba(18, 40, 61, .62);
}

.page-news .cat-index__item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-news .cat-index__item b {
  color: var(--paper);
  font-weight: 500;
}

.page-news .cat-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cat, var(--track));
}

/* ---------- 条目清单 ---------- */
.page-news .log-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .log-item {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: var(--panel);
  scroll-margin-top: 96px;
  transition: border-color .24s var(--ease);
}

.page-news .log-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: var(--cat, var(--muted));
  opacity: .92;
}

.page-news .log-item[open] {
  border-color: rgba(79, 224, 200, .4);
}

.page-news .log-summary {
  position: relative;
  display: block;
  padding: 15px 46px 15px 22px;
  cursor: pointer;
  list-style: none;
}

.page-news .log-summary::-webkit-details-marker { display: none; }
.page-news .log-summary::marker { content: ""; }

.page-news .log-summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 14px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--muted);
  transition: color .24s var(--ease);
}

.page-news .log-item[open] .log-summary::after {
  content: "−";
  color: var(--teal);
}

.page-news .log-summary:focus-visible {
  outline: 2px solid rgba(79, 224, 200, .6);
  outline-offset: -2px;
}

.page-news .log-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 9px;
}

.page-news .log-ver {
  font-size: 14px;
  letter-spacing: .06em;
  color: var(--teal);
}

.page-news .log-tag {
  padding: 2px 9px;
  border-radius: 999px;
  background: var(--cat, var(--muted));
  color: var(--ink);
  font-size: 11px;
  letter-spacing: .14em;
}

.page-news .log-when {
  margin-left: auto;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-news .log-title {
  display: block;
  color: var(--paper);
  font-size: 15.5px;
  line-height: 1.65;
}

.page-news .log-body {
  padding: 0 22px 18px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.page-news .log-body p { margin: 0 0 12px; }

.page-news .log-scope {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 12px 0 0;
  border-top: 1px dashed var(--line-soft);
  list-style: none;
  font-size: 13.5px;
}

.page-news .log-scope .mono {
  margin-right: 8px;
  color: var(--sand);
  letter-spacing: .08em;
  font-size: 12px;
}

/* ---------- 影响范围 ---------- */
.page-news .news-figure {
  margin: 0 0 22px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--line-soft);
}

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

.page-news .news-scope { gap: 14px; }

.page-news .news-scope__card {
  padding: 20px 20px 22px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-soft);
  background: var(--panel);
}

.page-news .news-scope__card .h3 {
  margin: 8px 0 10px;
  font-size: 18px;
  color: var(--paper);
}

.page-news .news-scope__card p {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.85;
}

/* ---------- 对照评测横向轨道 ---------- */
.page-news .review-track {
  display: flex;
  gap: 14px;
  padding: 4px 2px 18px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-news .review-card {
  flex: 0 0 84%;
  scroll-snap-align: start;
  padding: 20px 20px 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background:
    linear-gradient(160deg, rgba(79, 224, 200, .07), transparent 58%),
    var(--panel);
}

.page-news .review-card__no {
  display: block;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--amber);
  margin-bottom: 10px;
}

.page-news .review-card__title {
  margin: 0 0 10px;
  font-size: 17px;
  line-height: 1.5;
  color: var(--paper);
}

.page-news .review-card p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.85;
}

.page-news .review-card__meta {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--muted);
}

/* ---------- 订阅与回溯 ---------- */
.page-news .news-sub {
  display: grid;
  gap: 18px;
}

.page-news .news-sub__body {
  display: grid;
  gap: 16px;
}

.page-news .news-sub__item {
  padding: 22px 20px 24px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: var(--panel);
}

.page-news .news-sub__item .h3 {
  margin: 0 0 10px;
  font-size: 18px;
  color: var(--paper);
}

.page-news .news-sub__item p {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.85;
}

.page-news .news-sub__figure {
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--line-soft);
}

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

.page-news .news-sub__tail {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.85;
}

.page-news .news-sub__tail a {
  color: var(--teal);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-news .log-title { font-size: 16.5px; }

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

  .page-news .review-card { flex-basis: 62%; }
}

@media (min-width: 900px) {
  .page-news .news-hero { padding: 28px 0 50px; }

  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1fr) 260px;
    align-items: end;
    gap: 40px;
  }

  .page-news .news-hero h1 { font-size: 44px; }

  .page-news .news-hero__ruler { justify-content: flex-end; }

  .page-news .news-block { padding-top: 44px; }
  .page-news .news-block__title { font-size: 30px; }

  .page-news .review-card { flex-basis: 34%; }
}

@media (min-width: 980px) {
  .page-news .news-layout {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    gap: 44px;
    padding-top: 26px;
  }

  .page-news .news-rail {
    position: sticky;
    top: 88px;
    align-self: start;
    padding: 0;
    border-bottom: 0;
  }

  .page-news .news-rail__visual {
    display: block;
    margin: 0 0 16px;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--line-soft);
  }

  .page-news .news-rail__visual img {
    display: block;
    width: 100%;
    height: 200px;
    max-width: 100%;
    object-fit: cover;
  }

  .page-news .rail-list {
    flex-direction: column;
    gap: 2px;
    padding: 0 0 0 14px;
    overflow: visible;
    position: relative;
  }

  .page-news .rail-list::before {
    content: "";
    position: absolute;
    left: 7px;
    top: 10px;
    bottom: 10px;
    width: 1px;
    background: linear-gradient(180deg, var(--teal), var(--track) 34%, var(--track));
  }

  .page-news .rail-link {
    position: relative;
    justify-content: flex-start;
    padding: 6px 0;
    border: 0;
    border-radius: 0;
    background: transparent;
  }

  .page-news .rail-link .rail-dot {
    position: absolute;
    left: -11px;
    top: 50%;
    transform: translateY(-50%);
  }

  .page-news .news-sub {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
    gap: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .rail-link,
  .page-news .log-item,
  .page-news .log-summary::after {
    transition: none;
  }
}
<<<END>>>