.page-news {
  --col-gap: clamp(24px, 4vw, 56px);
  --col-pad: clamp(18px, 3vw, 34px);
  --col-radius: 22px;
}

/* 首屏天幕 */
.page-news .col-hero-band {
  background:
    radial-gradient(ellipse at 82% -10%, rgba(27, 143, 158, 0.30), transparent 58%),
    radial-gradient(ellipse at 8% 0%, rgba(59, 227, 208, 0.10), transparent 46%);
  border-bottom: 1px solid var(--line-soft);
}

.page-news .col-hero {
  display: grid;
  gap: var(--col-gap);
  padding-top: clamp(26px, 5vw, 60px);
  padding-bottom: clamp(34px, 6vw, 76px);
  align-items: start;
}

.page-news .col-hero-lead { min-width: 0; }

.page-news .col-title {
  font-size: clamp(2rem, 5.4vw, 3.4rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--white);
  margin: 14px 0 16px;
  max-width: 16ch;
}

.page-news .col-hero-lead .lede {
  max-width: 46ch;
  color: var(--silver);
}

/* 分类条 */
.page-news .col-cats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 26px 0 0;
  padding: 0 0 22px;
  border-bottom: 1px solid var(--line);
}

.page-news .col-cats li {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--silver);
  white-space: nowrap;
}

.page-news .col-cats li:first-child {
  border-color: var(--line-strong);
  color: var(--cyan);
}

.page-news .col-cat-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
}

.page-news .col-cats li:first-child .col-cat-num { color: var(--cyan-deep); }

/* 索引列表 */
.page-news .col-index {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--line);
  margin-top: -2px;
}

.page-news .col-index > li {
  display: grid;
  grid-template-columns: 2.3rem minmax(0, 1fr);
  gap: 12px;
  padding: 18px 0 16px;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .col-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan-deep);
  padding-top: 5px;
}

.page-news .col-item-body { min-width: 0; }

.page-news .col-item-title {
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.5;
  margin: 0 0 6px;
  color: var(--white);
}

.page-news .col-item-sum {
  margin: 0 0 10px;
  font-size: 0.9rem;
  line-height: 1.68;
  color: var(--silver);
  max-width: 48ch;
}

.page-news .col-item-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 12px;
  color: var(--mist);
}

.page-news .col-item-meta > span:last-child {
  font-family: var(--font-mono);
}

/* 第12轮专题卡 */
.page-news .col-hero-round { min-width: 0; }

.page-news .col-round {
  position: relative;
  overflow: hidden;
  padding: var(--col-pad);
  border: 2px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 84% 4%, rgba(59, 227, 208, 0.18), transparent 44%),
    linear-gradient(158deg, var(--ink-800), var(--ink-900) 72%);
  box-shadow: var(--shadow-hard);
}

.page-news .col-round::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(201, 214, 232, 0.24) 1px, transparent 1px);
  background-size: 26px 26px;
  opacity: 0.18;
  pointer-events: none;
}

.page-news .col-round > * { position: relative; z-index: 1; }

.page-news .col-round-title {
  font-size: clamp(1.35rem, 2.6vw, 1.85rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--white);
  margin: 12px 0 10px;
}

.page-news .col-round-lede {
  margin: 0 0 20px;
  font-size: 0.94rem;
  line-height: 1.72;
  color: var(--silver);
  max-width: 44ch;
}

/* 图片容器 */
.page-news .col-fig {
  margin: 0 0 22px;
  border: 2px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--ink-700);
  aspect-ratio: 3 / 2;
}

.page-news .col-fig--hero { aspect-ratio: 16 / 9; margin-bottom: 24px; }

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

/* 时间轴 */
.page-news .col-tl {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-news .col-tl::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan-deep), rgba(27, 143, 158, 0.12));
}

.page-news .col-tl > li {
  position: relative;
  padding: 0 0 18px 30px;
}

.page-news .col-tl > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid var(--cyan);
  background: var(--ink-900);
}

.page-news .col-tl > li.is-now::before {
  background: var(--gold);
  border-color: var(--gold);
  box-shadow: 0 0 0 6px rgba(246, 185, 74, 0.16);
}

.page-news .col-tl summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  cursor: pointer;
  list-style: none;
}

.page-news .col-tl summary::-webkit-details-marker { display: none; }

.page-news .col-tl summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--mist);
}

.page-news .col-tl details[open] summary::after { content: "–"; color: var(--cyan); }

.page-news .col-tl-time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-news .col-tl > li.is-now .col-tl-time { color: var(--gold); }

.page-news .col-tl-name {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--white);
}

.page-news .col-tl details p {
  margin: 8px 0 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--silver);
  max-width: 42ch;
}

/* 章节吸顶导航 */
.page-news .col-tabs {
  position: sticky;
  top: 74px;
  z-index: 15;
  background: rgba(6, 10, 24, 0.9);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.page-news .col-tabs-list {
  display: flex;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 10px 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-news .col-tabs-list::-webkit-scrollbar { display: none; }

.page-news .col-tabs a {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--mist);
  text-decoration: none;
  white-space: nowrap;
}

.page-news .col-tabs a:hover { color: var(--silver); border-color: var(--line); }

.page-news .col-tabs a[aria-current] {
  color: var(--cyan);
  border-color: var(--line-strong);
}

/* 章节 */
.page-news .col-section {
  padding-top: clamp(44px, 7vw, 88px);
  padding-bottom: clamp(44px, 7vw, 88px);
}

.page-news .col-section--band {
  background: linear-gradient(180deg, rgba(15, 26, 48, 0.92), rgba(6, 10, 24, 0) 96%);
  border-top: 2px solid var(--line);
  border-bottom: 1px solid var(--line-soft);
}

.page-news .col-sec-head {
  margin-bottom: clamp(26px, 4vw, 44px);
  max-width: 62ch;
}

.page-news .col-sec-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--cyan-deep);
  margin-bottom: 10px;
}

.page-news .col-sec-head h2,
.page-news .col-sub-main h2 {
  font-size: clamp(1.5rem, 3.1vw, 2.3rem);
  line-height: 1.24;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--white);
  margin: 0 0 14px;
}

.page-news .col-sec-head .lede {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.75;
  color: var(--silver);
  max-width: 58ch;
}

/* 档案与复盘 */
.page-news .col-profile-grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-news .col-profile-body { min-width: 0; }

.page-news .col-profile-body p {
  margin: 0 0 16px;
  font-size: 0.96rem;
  line-height: 1.78;
  color: var(--silver);
  max-width: 56ch;
}

.page-news .col-sub-title {
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--white);
  margin: 0 0 12px;
}

.page-news .col-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 24px 0 26px;
  background: var(--line-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-news .col-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  background: var(--ink-800);
}

.page-news .col-stat-num {
  font-family: var(--font-mono);
  font-size: clamp(1.2rem, 3vw, 1.65rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--white);
  line-height: 1.1;
}

.page-news .col-stat-plus {
  font-size: 0.62em;
  color: var(--cyan);
  margin-left: 2px;
}

.page-news .col-stat-label {
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--mist);
}

/* 版本日志 */
.page-news .col-log-grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-news .col-log {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--line);
}

.page-news .col-log-item {
  display: grid;
  grid-template-columns: 3.4rem minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .col-log-ver {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-news .col-log-body h3 {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--white);
  margin: 0 0 6px;
}

.page-news .col-log-body p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--silver);
  max-width: 50ch;
}

.page-news .col-inline-note {
  margin: 26px 0 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .col-link {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-news .col-link:hover { color: var(--white); }

/* 专题与趋势 */
.page-news .col-topic-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-news .col-topic-grid .col-fig { margin-bottom: 0; }

.page-news .col-topics {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .col-topic-item {
  padding: 20px 0;
  border-top: 1px solid var(--line-soft);
}

.page-news .col-topic-item:first-child {
  border-top: 2px solid var(--line);
  padding-top: 18px;
}

.page-news .col-topic-item h3 {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--white);
  margin: 10px 0 8px;
}

.page-news .col-topic-item p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--silver);
  max-width: 52ch;
}

/* 订阅区 */
.page-news .col-sub {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  padding: var(--col-pad);
  border: 2px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 92% 8%, rgba(246, 185, 74, 0.14), transparent 46%),
    linear-gradient(152deg, rgba(20, 52, 58, 0.75), rgba(6, 10, 24, 0.95));
  box-shadow: var(--shadow-hard);
}

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

.page-news .col-sub-main p {
  margin: 0 0 22px;
  font-size: 0.96rem;
  line-height: 1.78;
  color: var(--silver);
  max-width: 52ch;
}

.page-news .col-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .col-sub-notes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-news .col-sub-notes li {
  display: grid;
  gap: 4px;
  padding-left: 14px;
  border-left: 2px solid var(--line);
}

.page-news .col-note-key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-news .col-note-val {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--silver);
}

/* 桌面布局 */
@media (min-width: 1024px) {
  .page-news .col-hero {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.06fr);
  }

  .page-news .col-hero-round {
    position: sticky;
    top: 96px;
  }

  .page-news .col-profile-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
  }

  .page-news .col-log-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .col-log-grid .col-fig { margin-top: 4px; }

  .page-news .col-topic-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .page-news .col-sub {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    align-items: start;
    padding: clamp(28px, 4vw, 52px);
  }
}

@media (min-width: 1440px) {
  .page-news .col-sec-head h2,
  .page-news .col-sub-main h2 { font-size: 2.4rem; }
}

/* 窄屏收敛 */
@media (max-width: 520px) {
  .page-news .col-index > li {
    grid-template-columns: 1.9rem minmax(0, 1fr);
    gap: 10px;
  }

  .page-news .col-log-item {
    grid-template-columns: 2.6rem minmax(0, 1fr);
    gap: 10px;
  }

  .page-news .col-tabs { top: 64px; }

  .page-news .col-stats { grid-template-columns: minmax(0, 1fr); }

  .page-news .col-actions .btn { flex: 1 1 auto; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .col-round,
  .page-news .col-sub,
  .page-news .col-fig { transition: none; }
}
<<<END>>>