.page-news {
  --news-rail: 268px;
  --news-gap: clamp(20px, 3vw, 40px);
  padding-top: clamp(20px, 3vw, 40px);
  padding-bottom: clamp(72px, 9vw, 128px);
  color: var(--mist);
}

/* ---------- 面包屑 ---------- */
.page-news .news-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--graphite);
  margin-bottom: clamp(24px, 3vw, 40px);
}
.page-news .news-crumb a {
  color: var(--graphite);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}
.page-news .news-crumb a:hover { color: var(--cyan); }

/* ---------- 刊头 ---------- */
.page-news .news-masthead-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
  align-items: end;
}
@media (min-width: 960px) {
  .page-news .news-masthead-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
  }
}

.page-news h1 {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(32px, 6vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper);
  margin: 18px 0 20px;
}

.page-news .news-lede {
  font-size: 17px;
  line-height: 1.85;
  color: var(--graphite);
  max-width: 36em;
  margin: 0;
}

.page-news .masthead-meta {
  list-style: none;
  margin: clamp(26px, 3vw, 40px) 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--ink-700);
  display: flex;
  flex-wrap: wrap;
  gap: 14px 36px;
}
.page-news .masthead-meta li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
  color: var(--graphite);
}
.page-news .mm-num {
  font-size: 20px;
  font-weight: 600;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
}

/* ---------- 图片容器 ---------- */
.page-news .news-media {
  margin: 0;
  border: 1px solid var(--ink-700);
  position: relative;
  overflow: hidden;
}
.page-news .news-media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(200deg, rgba(255, 106, 26, .1), rgba(47, 211, 200, .07) 55%, transparent);
}
.page-news .news-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-news .news-media--lead img { aspect-ratio: 16 / 9; }
.page-news .news-media--wide img { aspect-ratio: 2 / 1; }
.page-news .news-media--tall img { aspect-ratio: 3 / 2; }
.page-news .news-media .media-caption {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--graphite);
  padding: 10px 12px;
  border-top: 1px solid var(--ink-700);
  background: var(--ink-800);
}

/* ---------- 主体双栏 ---------- */
.page-news .news-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 60px);
  margin-top: clamp(44px, 6vw, 84px);
}
@media (min-width: 1040px) {
  .page-news .news-layout {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }
}

/* ---------- 左栏索引 ---------- */
.page-news .news-rail { min-width: 0; }
@media (min-width: 1040px) {
  .page-news .news-rail {
    position: sticky;
    top: 128px;
  }
}

.page-news .rail-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--graphite);
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--ink-700);
}
.page-news .rail-title--gap { margin-top: 36px; }

.page-news .rail-nav {
  display: flex;
  flex-direction: column;
}

.page-news .rail-link {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 2px;
  border-bottom: 1px solid var(--ink-700);
  color: var(--mist);
  font-size: 14px;
  text-decoration: none;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}
.page-news .rail-link:hover {
  color: var(--cyan);
  padding-left: 8px;
}
.page-news .rail-num {
  font-size: 11px;
  color: var(--orange);
  letter-spacing: .08em;
  flex: none;
}

.page-news .rail-facts {
  display: grid;
  gap: 1px;
  background: var(--ink-700);
  border: 1px solid var(--ink-700);
}
.page-news .rail-fact {
  background: var(--ink-900);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.page-news .rail-fact b {
  font-size: 20px;
  font-weight: 600;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
}
.page-news .rail-fact span {
  font-size: 12px;
  color: var(--graphite);
}

/* ---------- 内容流 ---------- */
.page-news .news-stream {
  display: grid;
  gap: clamp(48px, 6vw, 88px);
  min-width: 0;
}
.page-news .news-block { min-width: 0; }
.page-news .news-block .section-head h2 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.24;
  color: var(--paper);
  margin: 0 0 12px;
}
.page-news .news-block .section-head p {
  color: var(--graphite);
  font-size: 15px;
  line-height: 1.8;
  max-width: 40em;
  margin: 0 0 28px;
}

/* ---------- 导读目录 ---------- */
.page-news .issue-list {
  border-top: 2px solid var(--orange);
}
.page-news .issue-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 16px;
  align-items: baseline;
  padding: 16px 4px;
  border-bottom: 1px solid var(--ink-700);
  text-decoration: none;
  transition: background-color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}
.page-news .issue-row:hover {
  background: var(--ink-800);
  padding-left: 12px;
}
.page-news .issue-num {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--orange);
}
.page-news .issue-main {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}
.page-news .issue-title {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
}
.page-news .issue-row:hover .issue-title { color: var(--cyan); }
.page-news .issue-sub {
  font-size: 13px;
  line-height: 1.6;
  color: var(--graphite);
}
.page-news .issue-tag {
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--cyan);
  border: 1px solid var(--ink-700);
  padding: 3px 9px;
  white-space: nowrap;
}
@media (max-width: 640px) {
  .page-news .issue-row { grid-template-columns: auto minmax(0, 1fr); gap: 12px; }
  .page-news .issue-tag { display: none; }
}

/* ---------- 更新条目 ---------- */
.page-news .entry-list {
  margin-top: clamp(32px, 4vw, 48px);
}
.page-news .news-entry {
  position: relative;
  padding: 24px 0 24px 24px;
  border-left: 1px solid var(--ink-700);
}
.page-news .news-entry::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 30px;
  width: 7px;
  height: 7px;
  background: var(--graphite);
}
.page-news .news-entry.is-file::before { background: var(--orange); }
.page-news .news-entry.is-cycle::before { background: var(--cyan); }
.page-news .news-entry.is-site::before { background: var(--green); }
.page-news .news-entry.is-watch::before { background: var(--amber); }

.page-news .entry-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.page-news .entry-cat {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  padding: 3px 9px;
  border: 1px solid currentColor;
  color: var(--orange);
}
.page-news .news-entry.is-cycle .entry-cat { color: var(--cyan); }
.page-news .news-entry.is-site .entry-cat { color: var(--green); }
.page-news .news-entry.is-watch .entry-cat { color: var(--amber); }

.page-news .entry-when {
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--graphite);
}
.page-news .entry-title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(18px, 2.2vw, 23px);
  line-height: 1.42;
  color: var(--paper);
  margin: 0 0 10px;
}
.page-news .entry-lead {
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
  margin: 0;
  max-width: 40em;
}
.page-news .entry-more { margin-top: 14px; }
.page-news .entry-more > summary {
  display: inline-block;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}
.page-news .entry-more > summary::-webkit-details-marker { display: none; }
.page-news .entry-more > summary::before {
  content: "+ ";
  color: var(--orange);
}
.page-news .entry-more[open] > summary::before { content: "− "; }
.page-news .entry-more > summary:hover { border-bottom-color: var(--cyan); }
.page-news .entry-body {
  margin-top: 14px;
  padding: 16px 18px;
  background: var(--ink-800);
  border-left: 2px solid var(--ink-700);
}
.page-news .entry-body p {
  font-size: 14px;
  line-height: 1.85;
  color: var(--graphite);
  margin: 0;
}
.page-news .entry-body p + p { margin-top: 10px; }
.page-news .entry-meta {
  font-size: 13px;
  color: var(--mist);
}
.page-news .entry-meta .mono {
  color: var(--orange);
  font-size: 11px;
  letter-spacing: .1em;
  margin-right: 8px;
}

/* ---------- 专题横向色带 ---------- */
.page-news .news-band {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 28px;
  padding: clamp(20px, 3vw, 28px) clamp(18px, 3vw, 32px);
  background: linear-gradient(90deg, rgba(255, 106, 26, .16), rgba(47, 211, 200, .09) 58%, transparent);
  border-top: 2px solid var(--orange);
  border-bottom: 1px solid var(--ink-700);
}
.page-news .band-label {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--orange);
  flex: none;
}
.page-news .band-text {
  flex: 1 1 240px;
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
}
.page-news .band-link {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--ink-700);
  padding-bottom: 3px;
  transition: border-color var(--dur) var(--ease);
}
.page-news .band-link:hover { border-bottom-color: var(--cyan); }

/* ---------- 安装现场记录 ---------- */
.page-news .field-log {
  margin-top: clamp(32px, 4vw, 48px);
  border-top: 1px solid var(--ink-700);
}
.page-news .field-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--ink-700);
}
@media (min-width: 760px) {
  .page-news .field-row {
    grid-template-columns: 64px 100px minmax(0, 1fr) auto;
    align-items: baseline;
    gap: 18px;
  }
}
.page-news .field-region {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan);
}
.page-news .field-cat {
  font-size: 14px;
  font-weight: 600;
  color: var(--paper);
}
.page-news .field-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--graphite);
}
.page-news .field-time {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--amber);
  white-space: nowrap;
}
.page-news .field-foot {
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--graphite);
  padding-left: 16px;
  border-left: 2px solid var(--orange);
  max-width: 44em;
}

/* ---------- 专题连载 ---------- */
.page-news .series-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--ink-700);
  border: 1px solid var(--ink-700);
  margin-top: clamp(28px, 4vw, 44px);
}
@media (min-width: 760px) {
  .page-news .series-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
.page-news .series-card {
  background: var(--ink-900);
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}
.page-news .series-issue {
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--orange);
}
.page-news .series-name {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 21px;
  line-height: 1.35;
  color: var(--paper);
  margin: 0;
}
.page-news .series-observe,
.page-news .series-finding {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--graphite);
}
.page-news .series-observe .mono,
.page-news .series-finding .mono {
  display: block;
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--cyan);
  margin-bottom: 4px;
}
.page-news .series-nav {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--ink-700);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}
.page-news .series-nav a {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}
.page-news .series-nav a:hover { border-bottom-color: var(--cyan); }

/* ---------- 按栏目浏览 ---------- */
.page-news .topic-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
@media (min-width: 700px) {
  .page-news .topic-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1180px) {
  .page-news .topic-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
.page-news .topic-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 18px;
  background: var(--ink-800);
  border: 1px solid var(--ink-700);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.page-news .topic-card:hover {
  border-color: var(--cyan);
  transform: translateY(-3px);
}
.page-news .topic-bar {
  display: block;
  width: 40px;
  height: 3px;
  background: var(--orange);
}
.page-news .topic-card--cycle .topic-bar { background: var(--cyan); }
.page-news .topic-card--site .topic-bar { background: var(--green); }
.page-news .topic-card--watch .topic-bar { background: var(--amber); }
.page-news .topic-name {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 18px;
  color: var(--paper);
}
.page-news .topic-desc {
  font-size: 13px;
  line-height: 1.75;
  color: var(--graphite);
}

.page-news .topics-foot {
  margin: clamp(28px, 4vw, 44px) 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--graphite);
  max-width: 46em;
}
.page-news .topics-foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--ink-700);
  transition: border-color var(--dur) var(--ease);
}
.page-news .topics-foot a:hover { border-bottom-color: var(--cyan); }
.page-news .topics-foot .mono {
  font-size: 13px;
  color: var(--mist);
}
<<<END>>>