.page-news {
  --news-rail: 268px;
  --news-gap: clamp(20px, 3vw, 44px);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-sans);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(22px, 4vw, 44px) 0 clamp(28px, 4vw, 52px);
  border-bottom: 1px solid var(--line);
}
.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: -22%;
  right: -12%;
  width: 56%;
  height: 74%;
  background: linear-gradient(140deg, rgba(255, 177, 59, 0.26), rgba(255, 177, 59, 0));
  transform: skewY(-9deg);
  z-index: -1;
}
.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: -150px;
  bottom: -210px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  border: 1px solid rgba(40, 240, 194, 0.26);
  z-index: -1;
}
.page-news .news-h1 {
  margin: 18px 0 0;
  font-size: clamp(34px, 7.4vw, 92px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.04em;
  color: var(--paper);
}
.page-news .news-h1 em {
  font-style: normal;
  color: var(--amber);
}
.page-news .news-lead {
  margin: 22px 0 0;
  max-width: 40ch;
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.9;
  color: rgba(247, 244, 238, 0.78);
}
.page-news .news-stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(16px, 4vw, 44px);
  margin-top: clamp(24px, 4vw, 40px);
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.page-news .news-stat {
  min-width: 118px;
}
.page-news .news-stat .num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--cyan);
}
.page-news .news-stat-label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: rgba(247, 244, 238, 0.6);
}
.page-news .news-hero-figure {
  margin-top: clamp(24px, 4vw, 44px);
  margin-bottom: 0;
}
.page-news .news-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 4;
  object-fit: cover;
  border-radius: var(--radius-l);
  border: 1px solid var(--line);
}
.page-news .media-caption {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--cold);
}

/* ---------- 通用小件 ---------- */
.page-news .eyebrow {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--mint);
}
.page-news .chip {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  border-radius: var(--pill);
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--mint);
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}
.page-news .chip--cyan {
  color: var(--cyan);
  border-color: rgba(40, 240, 194, 0.42);
}
.page-news .chip--amber {
  color: var(--amber);
  border-color: rgba(255, 177, 59, 0.42);
}
.page-news .chip:hover,
.page-news .chip:focus-visible {
  background: rgba(40, 240, 194, 0.1);
  border-color: var(--cyan);
}

/* ---------- 主体双栏 ---------- */
.page-news .news-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  padding-top: clamp(30px, 5vw, 64px);
  padding-bottom: clamp(40px, 6vw, 80px);
}
.page-news .news-rail {
  border-top: 2px solid var(--cyan);
  padding-top: 16px;
}
.page-news .rail-heading {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--cold);
}
.page-news .rail-list {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 2px;
}
.page-news .rail-list--chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-news .rail-list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 9px 10px;
  border-radius: var(--pill);
  font-size: 15px;
  color: var(--paper);
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease;
}
.page-news .rail-list--chips a {
  padding: 5px 12px;
  font-size: 11.5px;
}
.page-news .rail-list a:hover,
.page-news .rail-list a:focus-visible {
  background: rgba(40, 240, 194, 0.1);
  color: var(--cyan);
}
.page-news .rail-no {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cold);
}
.page-news .rail-note {
  margin: 0;
  padding: 12px 14px;
  border-left: 2px solid var(--amber);
  background: rgba(255, 177, 59, 0.07);
  border-radius: 0 var(--radius-m) var(--radius-m) 0;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(247, 244, 238, 0.66);
}

.page-news .news-stream {
  min-width: 0;
}
.page-news .stream-head .section-title {
  margin: 10px 0 0;
  font-size: clamp(24px, 3.4vw, 40px);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.15;
}
.page-news .stream-head .section-sub {
  margin: 12px 0 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(247, 244, 238, 0.66);
}

/* ---------- 分类组与条目 ---------- */
.page-news .cat-group {
  margin-top: clamp(26px, 4vw, 44px);
}
.page-news .cat-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}
.page-news .cat-head h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--cyan);
}
.page-news .cat-count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cold);
}
.page-news .entry {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line-soft);
  transition: background-color 0.2s ease;
}
.page-news .entry:hover {
  background: rgba(40, 240, 194, 0.035);
}
.page-news .entry-no {
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.4vw, 28px);
  line-height: 1;
  color: rgba(40, 240, 194, 0.45);
}
.page-news .entry-body {
  min-width: 0;
}
.page-news .entry-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.page-news .entry-time {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--amber);
}
.page-news .entry-title {
  margin: 10px 0 0;
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 800;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-news .entry-sum {
  margin: 8px 0 0;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(247, 244, 238, 0.7);
}
.page-news .entry-more {
  margin-top: 12px;
}
.page-news .entry-more summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 2px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mint);
  border-bottom: 1px dashed rgba(138, 217, 198, 0.42);
}
.page-news .entry-more summary::-webkit-details-marker {
  display: none;
}
.page-news .entry-more summary::after {
  content: "+";
  font-size: 14px;
  line-height: 1;
  color: var(--amber);
}
.page-news .entry-more[open] summary::after {
  content: "−";
}
.page-news .entry-more ul {
  margin: 12px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
}
.page-news .entry-more li {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(247, 244, 238, 0.66);
}

/* ---------- 轮次观察（浅色分区） ---------- */
.page-news .news-rounds {
  margin-top: clamp(30px, 5vw, 56px);
  padding: clamp(26px, 4vw, 44px) clamp(18px, 3vw, 36px);
  background: var(--paper);
  color: var(--black);
  border-radius: var(--radius-l);
}
.page-news .news-rounds .eyebrow {
  margin-top: 0;
  color: var(--caramel);
}
.page-news .news-rounds .section-title {
  margin: 10px 0 0;
  font-size: clamp(24px, 3.6vw, 42px);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.16;
  color: var(--black);
}
.page-news .rounds-lead {
  margin: 14px 0 0;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(16, 22, 20, 0.72);
}
.page-news .rounds-grid {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
  margin-top: clamp(22px, 4vw, 36px);
}
.page-news .rounds-figure {
  margin: 0;
}
.page-news .rounds-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  border-radius: var(--radius-m);
  border: 1px solid var(--line-dark);
}
.page-news .news-rounds .media-caption {
  color: rgba(16, 22, 20, 0.55);
}
.page-news .check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  align-content: start;
}
.page-news .check-list li {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 18px;
  background: var(--warm);
  border-radius: var(--radius-m);
  border-left: 3px solid var(--amber);
}
.page-news .check-no {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--caramel);
  padding-top: 2px;
}
.page-news .check-list h3 {
  margin: 0 0 5px;
  font-size: 15.5px;
  font-weight: 800;
  color: var(--black);
}
.page-news .check-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(16, 22, 20, 0.72);
}
.page-news .dir-strip {
  margin-top: clamp(22px, 4vw, 34px);
  border-top: 1px solid var(--line-dark);
}
.page-news .dir-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-dark);
  font-size: 14px;
  color: var(--black);
}
.page-news .dir-row .num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--caramel);
}
.page-news .rounds-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 0;
}
.page-news .news-rounds .btn--ghost {
  color: var(--black);
  border-color: rgba(16, 22, 20, 0.28);
}
.page-news .news-rounds .btn--ghost:hover,
.page-news .news-rounds .btn--ghost:focus-visible {
  background: rgba(16, 22, 20, 0.06);
  border-color: var(--caramel);
  color: var(--caramel);
}

/* ---------- 版本日志 ---------- */
.page-news .news-versions {
  margin-top: clamp(30px, 5vw, 56px);
  padding: clamp(24px, 4vw, 40px) clamp(18px, 3vw, 36px);
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
}
.page-news .versions-top {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
}
.page-news .news-versions .eyebrow {
  margin-top: 0;
  color: var(--amber);
}
.page-news .news-versions .section-title {
  margin: 10px 0 0;
  font-size: clamp(23px, 3.4vw, 38px);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.16;
  color: var(--paper);
}
.page-news .news-versions .section-sub {
  margin: 12px 0 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(247, 244, 238, 0.68);
}
.page-news .versions-figure {
  margin: 0;
}
.page-news .versions-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius-m);
  border: 1px solid var(--line);
}
.page-news .vlog {
  position: relative;
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(18px, 3vw, 28px);
}
.page-news .vlog::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--amber), rgba(40, 240, 194, 0.3));
}
.page-news .vlog li {
  position: relative;
  padding-left: 28px;
}
.page-news .vlog-dot {
  position: absolute;
  left: 0;
  top: 6px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(255, 177, 59, 0.14);
}
.page-news .vlog-ver {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--amber);
}
.page-news .vlog h3 {
  margin: 8px 0 0;
  font-size: clamp(16px, 1.9vw, 19px);
  font-weight: 800;
  color: var(--paper);
}
.page-news .vlog li > p {
  margin: 8px 0 0;
  max-width: 48ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(247, 244, 238, 0.68);
}

/* ---------- 专题系列（暖灰分区） ---------- */
.page-news .news-topics {
  margin-top: clamp(30px, 5vw, 56px);
  padding: clamp(26px, 4vw, 44px) clamp(18px, 3vw, 36px);
  background: var(--warm);
  color: var(--black);
  border-radius: var(--radius-l);
}
.page-news .topics-top {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
}
.page-news .news-topics .eyebrow {
  margin-top: 0;
  color: var(--caramel);
}
.page-news .news-topics .section-title {
  margin: 10px 0 0;
  font-size: clamp(23px, 3.4vw, 38px);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.16;
  color: var(--black);
}
.page-news .topics-lead {
  margin: 12px 0 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(16, 22, 20, 0.72);
}
.page-news .topics-figure {
  margin: 0;
}
.page-news .topics-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-m);
  border: 1px solid var(--line-dark);
}
.page-news .topics-grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(22px, 4vw, 34px);
}
.page-news .topic-card {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 20px;
  background: var(--paper);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-m);
  transition: transform 0.24s ease, box-shadow 0.24s ease;
}
.page-news .topic-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lift);
}
.page-news .topic-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--caramel);
}
.page-news .topic-card h3 {
  margin: 0;
  font-size: 16.5px;
  font-weight: 800;
  line-height: 1.45;
  color: var(--black);
}
.page-news .topic-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(16, 22, 20, 0.72);
}
.page-news .topic-card a {
  margin-top: auto;
  padding-top: 6px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--caramel);
  text-decoration: none;
  border-bottom: 1px solid rgba(199, 122, 26, 0.4);
  align-self: flex-start;
}
.page-news .topic-card a:hover,
.page-news .topic-card a:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

/* ---------- 收尾 ---------- */
.page-news .news-cta {
  margin-top: clamp(30px, 5vw, 56px);
}
.page-news .cta-box {
  display: grid;
  gap: 18px;
  padding: clamp(22px, 4vw, 40px);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: linear-gradient(120deg, rgba(40, 240, 194, 0.14), rgba(255, 177, 59, 0.1));
}
.page-news .cta-box .eyebrow {
  margin-top: 0;
  color: var(--mint);
}
.page-news .cta-box h2 {
  margin: 10px 0 0;
  font-size: clamp(21px, 3vw, 32px);
  font-weight: 900;
  letter-spacing: -0.025em;
  line-height: 1.25;
  color: var(--paper);
}
.page-news .cta-box p {
  margin: 12px 0 0;
  max-width: 46ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(247, 244, 238, 0.76);
}
.page-news .cta-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .entry {
    grid-template-columns: 62px minmax(0, 1fr);
    gap: 20px;
  }
  .page-news .topics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-news .vlog::before {
    left: 6px;
  }
  .page-news .vlog li {
    padding-left: 34px;
  }
}

@media (min-width: 900px) {
  .page-news .rounds-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: start;
  }
  .page-news .versions-top,
  .page-news .topics-top {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
  }
  .page-news .cta-box {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
    align-items: center;
  }
  .page-news .cta-links {
    justify-content: flex-end;
  }
}

@media (min-width: 960px) {
  .page-news .news-body {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    gap: var(--news-gap);
  }
  .page-news .news-rail {
    position: sticky;
    top: 96px;
    align-self: start;
  }
}

@media (min-width: 1080px) {
  .page-news .topics-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .topic-card,
  .page-news .entry,
  .page-news .chip,
  .page-news .rail-list a {
    transition: none;
  }
  .page-news .topic-card:hover {
    transform: none;
  }
}