.page-news {
  --news-pad: clamp(16px, 3vw, 32px);
  --news-gap: clamp(22px, 3.4vw, 44px);
}

.page-news .news-shell {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: clamp(18px, 3.4vw, 36px) var(--news-pad) clamp(48px, 7vw, 88px);
  box-sizing: border-box;
}

/* ---------- 刊头 ---------- */
.page-news .news-masthead {
  padding: clamp(16px, 2.6vw, 28px) 0 clamp(22px, 3vw, 34px);
  border-bottom: 1px solid var(--hair);
}

.page-news .news-masthead .kicker {
  margin: 0;
  font-family: var(--font-cond);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  text-transform: none;
}

.page-news .news-h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(27px, 4.4vw, 50px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--text);
  max-width: 21ch;
}

.page-news .news-lead {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.92;
  color: var(--text);
}

.page-news .news-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-news .news-meta b {
  color: var(--amber);
  font-weight: 500;
}

/* ---------- 置顶头条 ---------- */
.page-news .news-cover {
  position: relative;
  margin-top: clamp(24px, 4vw, 44px);
  padding: clamp(22px, 3.6vw, 44px);
  background:
    radial-gradient(120% 150% at 100% 0%, rgba(63, 224, 208, 0.13), transparent 62%),
    radial-gradient(90% 120% at 0% 100%, rgba(244, 178, 63, 0.08), transparent 60%),
    var(--panel);
  border: 1px solid var(--hair);
  box-shadow: var(--shadow-panel);
  box-sizing: border-box;
}

.page-news .news-cover::after {
  content: "";
  position: absolute;
  inset: 6px;
  border: 1px solid rgba(243, 239, 228, 0.07);
  pointer-events: none;
}

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

.page-news .cover-time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.page-news .cover-title {
  position: relative;
  margin: 18px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(23px, 3.4vw, 40px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--text);
  max-width: 24ch;
}

.page-news .cover-lead {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--text);
}

.page-news .cover-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px 28px;
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--hair);
}

.page-news .cover-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.page-news .cover-facts .data-num {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--amber);
  margin-right: 4px;
}

/* ---------- 双栏流 ---------- */
.page-news .news-stream {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--news-gap);
  margin-top: clamp(28px, 4.6vw, 54px);
}

.page-news .news-rail {
  border-top: 1px solid var(--hair);
  padding-top: 12px;
}

.page-news .rail-title {
  margin: 0 0 12px;
  font-family: var(--font-cond);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.page-news .cat-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .cat-list li {
  margin: 0;
}

.page-news .cat-link {
  display: block;
  padding: 8px 12px 8px 14px;
  border-left: 2px solid var(--hair);
  background: rgba(15, 27, 46, 0.5);
  color: var(--muted);
  font-family: var(--font-cond);
  font-size: 14px;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-news .cat-link:hover,
.page-news .cat-link:focus-visible {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: rgba(63, 224, 208, 0.08);
}

.page-news .cat-link[aria-current="true"] {
  color: var(--cyan);
  border-left-color: var(--amber);
  background: rgba(63, 224, 208, 0.1);
}

/* ---------- 章节 ---------- */
.page-news .news-col > .news-sec + .news-sec {
  margin-top: clamp(32px, 5vw, 58px);
  padding-top: clamp(24px, 3.6vw, 40px);
  border-top: 1px solid var(--hair);
}

.page-news .sec-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  margin-bottom: 20px;
}

.page-news .sec-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-news .sec-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 2.6vw, 29px);
  line-height: 1.3;
  color: var(--text);
}

.page-news .sec-note {
  flex: 1 1 240px;
  margin: 0;
  max-width: 46ch;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .sec-tail {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .sec-tail a,
.page-news .archive-block a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 208, 0.35);
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-news .sec-tail a:hover,
.page-news .archive-block a:hover,
.page-news .sec-tail a:focus-visible,
.page-news .archive-block a:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

/* ---------- 图 ---------- */
.page-news .news-figure {
  margin: 0 0 24px;
}

.page-news .news-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--hair);
  background: var(--panel);
}

.page-news .fig-cap {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--muted);
}

/* ---------- 版本日志 ---------- */
.page-news .log-list {
  border-top: 1px solid var(--hair);
}

.page-news .log-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 18px 10px 18px 0;
  border-bottom: 1px solid var(--hair);
  transition: background-color 0.18s var(--ease);
}

.page-news .log-row:hover,
.page-news .log-row:focus-within {
  background: rgba(63, 224, 208, 0.045);
}

.page-news .ver-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--amber);
}

.page-news .ver-time {
  display: block;
  margin-top: 4px;
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.page-news .log-title {
  position: relative;
  margin: 0;
  padding-right: 24px;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 16px;
  line-height: 1.62;
  color: var(--text);
}

.page-news .log-title::after {
  content: "→";
  position: absolute;
  right: 0;
  top: 0;
  color: var(--cyan);
  opacity: 0;
  transform: translateX(-5px);
  transition: opacity 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-news .log-row:hover .log-title::after,
.page-news .log-row:focus-within .log-title::after {
  opacity: 1;
  transform: translateX(0);
}

.page-news .log-desc {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .log-scope {
  margin: 10px 0 0;
  padding-left: 10px;
  border-left: 1px solid var(--hair);
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 数据补充 ---------- */
.page-news .sup-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--hair);
}

.page-news .sup-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--hair);
}

.page-news .sup-row .status {
  margin-top: 7px;
}

.page-news .sup-title {
  margin: 0;
  font-family: var(--font-cond);
  font-weight: 500;
  font-size: 15px;
  line-height: 1.6;
  letter-spacing: 0.01em;
  color: var(--text);
}

.page-news .sup-desc {
  margin: 7px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .sup-meta {
  margin: 9px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

/* ---------- 规则变更 ---------- */
.page-news .rule-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--hair);
}

.page-news .rule-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 4px 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--hair);
}

.page-news .rule-cat {
  grid-column: 1 / -1;
  font-family: var(--font-cond);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-news .rule-name {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
}

.page-news .rule-count {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
  white-space: nowrap;
}

.page-news .rule-count b {
  color: var(--amber);
  font-weight: 500;
}

/* ---------- 方法专题 ---------- */
.page-news .topic-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-news .topic-card {
  display: flex;
  flex-direction: column;
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--hair);
  transition: border-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-news .topic-card:hover,
.page-news .topic-card:focus-within {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-news .topic-card .label {
  align-self: flex-start;
}

.page-news .card-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  margin-bottom: 16px;
  border: 1px solid var(--hair);
}

.page-news .topic-title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.42;
  color: var(--text);
}

.page-news .topic-desc {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .topic-meta {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--hair);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- 翻查方式 ---------- */
.page-news .archive-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
}

.page-news .archive-block {
  padding: 18px 20px;
  background: var(--ink);
}

.page-news .archive-title {
  margin: 0;
  font-family: var(--font-cond);
  font-weight: 500;
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--text);
}

.page-news .archive-block p {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.82;
  color: var(--muted);
}

.page-news .news-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px 24px;
  margin-top: 24px;
  padding: 18px 20px;
  background: linear-gradient(90deg, rgba(63, 224, 208, 0.1), rgba(244, 178, 63, 0.06));
  border-left: 3px solid var(--cyan);
}

.page-news .cta-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}

/* ---------- 中屏 ---------- */
@media (min-width: 720px) {
  .page-news .log-row {
    grid-template-columns: 112px minmax(0, 1fr);
    gap: 22px;
  }

  .page-news .rule-row {
    grid-template-columns: 110px minmax(0, 1fr) auto;
  }

  .page-news .rule-cat {
    grid-column: auto;
  }

  .page-news .topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

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

/* ---------- 桌面：常驻竖排栏目列 ---------- */
@media (min-width: 960px) {
  .page-news .news-stream {
    grid-template-columns: 172px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .page-news .news-rail {
    position: sticky;
    top: calc(var(--header-h) + 26px);
    border-top: none;
    border-right: 1px solid var(--hair);
    padding-top: 4px;
    padding-right: 18px;
  }

  .page-news .rail-title {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    height: 108px;
    margin: 0 0 18px;
    letter-spacing: 0.3em;
  }

  .page-news .cat-list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }

  .page-news .cat-link {
    border-left-width: 2px;
    background: transparent;
    padding: 10px 0 10px 14px;
  }

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

  .page-news .topic-card:first-child {
    grid-column: span 2;
  }

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

@media (min-width: 1200px) {
  .page-news .news-h1 {
    max-width: 19ch;
  }

  .page-news .news-lead {
    margin-top: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .cat-link,
  .page-news .log-row,
  .page-news .log-title::after,
  .page-news .topic-card {
    transition: none;
  }

  .page-news .topic-card:hover,
  .page-news .topic-card:focus-within {
    transform: none;
  }
}
<<<END>>>