.page-news {
  --cl-gap: 20px;
  --cl-sticky: 74px;
  --cl-thin: rgba(30, 58, 95, .55);
}

/* 面包屑 */
.page-news .crumb {
  padding-top: 22px;
  font-size: 12.5px;
  letter-spacing: .04em;
}

/* ── 首屏 ───────────────────────────────── */
.page-news .cl-hero {
  position: relative;
  margin-top: 14px;
  padding: 46px 0 38px;
  border-top: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
  background:
    radial-gradient(120% 95% at 8% 0%, rgba(0, 229, 255, .13), transparent 62%),
    radial-gradient(85% 75% at 98% 6%, rgba(255, 122, 26, .10), transparent 60%),
    var(--bg);
  overflow: hidden;
}

.page-news .cl-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, var(--grid-a) 0 1px, transparent 1px 24px),
    repeating-linear-gradient(0deg, var(--grid-b) 0 1px, transparent 1px 24px);
  opacity: .55;
  -webkit-mask-image: linear-gradient(180deg, #000, transparent 80%);
  mask-image: linear-gradient(180deg, #000, transparent 80%);
  pointer-events: none;
}

.page-news .cl-hero__inner {
  position: relative;
  z-index: 1;
}

.page-news .cl-hero__kicker {
  margin: 0 0 18px;
  font-size: 11.5px;
  letter-spacing: .22em;
  color: var(--cyan);
}

.page-news .cl-hero__title {
  margin: 0 0 22px;
  font-size: clamp(44px, 11vw, 104px);
  line-height: .94;
  letter-spacing: -.03em;
  color: var(--text);
  text-shadow: 5px 5px 0 rgba(0, 229, 255, .15);
}

.page-news .cl-hero__lead {
  max-width: 64ch;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--muted);
}

.page-news .cl-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .cl-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-left: 11px;
  border-left: 2px solid var(--line);
  font-size: 12.5px;
  color: var(--dim);
}

.page-news .cl-hero__facts .mono {
  font-size: 22px;
  line-height: 1;
  color: var(--cyan);
}

/* ── 章节跳转条 ─────────────────────────── */
.page-news .cl-jump {
  position: sticky;
  top: 0;
  z-index: 6;
  display: flex;
  gap: 4px;
  padding-top: 10px;
  padding-bottom: 10px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--cl-thin);
  background: rgba(5, 10, 24, .94);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  overflow-x: auto;
  scrollbar-width: none;
}

.page-news .cl-jump::-webkit-scrollbar {
  display: none;
}

.page-news .cl-jump a {
  flex: none;
  padding: 6px 12px;
  border: 1px solid transparent;
  border-radius: 2px;
  font-size: 12.5px;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-news .cl-jump a:hover {
  color: var(--cyan);
  border-color: var(--line);
}

.page-news .cl-jump a[aria-current="true"] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

/* ── 章节通用 ───────────────────────────── */
.page-news .cl-sec {
  padding-top: 46px;
  padding-bottom: 46px;
  border-bottom: 1px solid var(--cl-thin);
  scroll-margin-top: var(--cl-sticky);
}

.page-news .cl-sec--last {
  border-bottom: 0;
  padding-bottom: 64px;
}

.page-news .cl-sec .sec-head {
  margin-bottom: 26px;
}

/* ── 图片 ───────────────────────────────── */
.page-news .cl-fig {
  margin: 26px 0 0;
}

.page-news .cl-fig--wide {
  margin-top: 34px;
}

.page-news .cl-fig .fig__frame {
  border: 2px solid var(--line);
  background: var(--panel);
  overflow: hidden;
}

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

.page-news .cl-fig .fig__cap {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.75;
  color: var(--dim);
}

/* ── 四个内容标签 ───────────────────────── */
.page-news .cl-tags {
  gap: 16px;
}

.page-news .cl-tag {
  --accent: var(--cyan);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 22px;
  border-top-color: var(--line);
}

.page-news .cl-tag--tools { --accent: var(--orange); }
.page-news .cl-tag--notes { --accent: var(--cyan-soft); }
.page-news .cl-tag--weekly { --accent: var(--lime); }

.page-news .cl-tag::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent);
}

.page-news .cl-tag__no {
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--accent);
}

.page-news .cl-tag__name {
  margin: 0;
  font-size: 21px;
  line-height: 1.2;
  color: var(--text);
}

.page-news .cl-tag__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .cl-tag__who {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 12px;
  line-height: 1.7;
  color: var(--dim);
}

/* ── 近期条目 ───────────────────────────── */
.page-news .cl-latest {
  display: grid;
  gap: 30px;
}

.page-news .cl-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--cl-thin);
}

.page-news .cl-item {
  padding: 18px 0;
  border-bottom: 1px solid var(--cl-thin);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .cl-item:hover {
  background: rgba(0, 229, 255, .035);
  border-bottom-color: var(--cyan);
}

.page-news .cl-item__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.page-news .cl-item__no {
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--dim);
}

.page-news .cl-item__title {
  margin: 0 0 8px;
  font-size: 17.5px;
  line-height: 1.45;
  color: var(--text);
}

.page-news .cl-item__desc {
  max-width: 68ch;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.82;
  color: var(--muted);
}

.page-news .cl-latest__aside .cl-fig {
  margin-top: 0;
}

@media (min-width: 1024px) {
  .page-news .cl-latest {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
    gap: 40px;
  }

  .page-news .cl-latest__aside {
    position: sticky;
    top: 78px;
  }
}

/* ── 专题系列 ───────────────────────────── */
.page-news .cl-track {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  padding-bottom: 10px;
}

.page-news .cl-series {
  flex: 0 0 82%;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px;
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-hard);
}

.page-news .cl-series__no {
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--cyan);
}

.page-news .cl-series__name {
  margin: 0;
  font-size: 20px;
  line-height: 1.3;
  color: var(--text);
}

.page-news .cl-series__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .cl-series__path {
  margin: 4px 0 0;
  padding: 14px 0 0;
  border-top: 1px dashed var(--line);
  list-style: none;
  counter-reset: clstep;
  display: grid;
  gap: 9px;
}

.page-news .cl-series__path li {
  counter-increment: clstep;
  position: relative;
  padding-left: 30px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text);
}

.page-news .cl-series__path li::before {
  content: counter(clstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange);
}

@media (min-width: 760px) {
  .page-news .cl-series {
    flex: 0 0 46%;
  }
}

@media (min-width: 1180px) {
  .page-news .cl-series {
    flex: 1 1 0;
  }
}

/* ── 更新节奏 ───────────────────────────── */
.page-news .cl-cad {
  display: grid;
  gap: 28px;
}

.page-news .cl-cad__text p {
  margin: 0 0 16px;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
}

.page-news .cl-cad__text .btn {
  margin-top: 8px;
}

.page-news .cl-cad .cl-fig {
  margin-top: 0;
}

@media (min-width: 940px) {
  .page-news .cl-cad {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    align-items: start;
    gap: 40px;
  }
}

/* ── 选题建议 ───────────────────────────── */
.page-news .cl-ask {
  display: grid;
  gap: 22px;
  padding: 26px 22px;
  border: 2px solid var(--line);
  border-left: 4px solid var(--orange);
  background:
    linear-gradient(135deg, rgba(255, 122, 26, .07), transparent 58%),
    var(--panel);
}

.page-news .cl-ask__text {
  margin: 0;
  max-width: 66ch;
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
}

.page-news .cl-ask__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 900px) {
  .page-news .cl-ask {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 36px;
    padding: 30px 28px;
  }
}

/* ── 窄屏保护 ───────────────────────────── */
@media (max-width: 480px) {
  .page-news .cl-hero {
    padding: 34px 0 30px;
  }

  .page-news .cl-sec {
    padding-top: 36px;
    padding-bottom: 36px;
  }

  .page-news .cl-hero__facts {
    gap: 10px 18px;
  }

  .page-news .cl-jump {
    padding-left: 0;
    padding-right: 0;
  }

  .page-news .cl-series {
    flex: 0 0 88%;
  }

  .page-news .cl-item__title {
    font-size: 16px;
  }
}
<<<END>>>