.page-news {
  --pn-line: rgba(46, 63, 99, 0.62);
  --pn-panel: rgba(17, 38, 79, 0.68);
  --pn-gap: clamp(18px, 3.4vw, 30px);
  --pn-radius: 16px;
}

/* ---------- 刊头 ---------- */
.page-news .pn-masthead {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 5vw, 54px) 0 clamp(24px, 4.4vw, 46px);
  border-bottom: 1px solid var(--pn-line);
  background:
    radial-gradient(900px 340px at 14% -18%, rgba(31, 168, 160, 0.2), transparent 70%),
    radial-gradient(680px 300px at 88% 4%, rgba(245, 166, 35, 0.13), transparent 72%);
}

.page-news .pn-masthead::after {
  content: "";
  position: absolute;
  right: -14%;
  bottom: -58%;
  width: min(560px, 72vw);
  aspect-ratio: 1;
  border-radius: 50%;
  background: repeating-radial-gradient(circle, rgba(108, 92, 231, 0.16) 0 1px, transparent 1px 22px);
  opacity: 0.55;
  pointer-events: none;
}

.page-news .pn-masthead__inner {
  position: relative;
  z-index: 1;
}

.page-news .pn-masthead__eyebrow {
  margin: clamp(16px, 3vw, 24px) 0 0;
}

.page-news .pn-masthead__title {
  margin: 10px 0 0;
  font-size: clamp(2.4rem, 8.4vw, 4.6rem);
  line-height: 1.04;
  letter-spacing: 0.05em;
  color: var(--sk-ice);
}

.page-news .pn-masthead__lede {
  max-width: 64ch;
  margin: 18px 0 0;
  font-size: clamp(0.95rem, 1.6vw, 1.06rem);
  line-height: 1.85;
  color: var(--sk-body);
}

.page-news .pn-masthead__stats {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
}

.page-news .pn-masthead__stats li {
  display: flex;
  align-items: baseline;
  gap: 7px;
  font-size: 0.86rem;
  color: var(--sk-mist);
}

.page-news .pn-masthead__stats .sk-num {
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1;
  color: var(--sk-ice);
}

.page-news .pn-masthead__statlabel {
  color: var(--sk-mist);
}

/* ---------- 三栏主区 ---------- */
.page-news .pn-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pn-gap);
  padding-top: clamp(26px, 4.6vw, 50px);
  padding-bottom: clamp(28px, 5vw, 52px);
}

.page-news .pn-focus {
  overflow: hidden;
  border: 1px solid var(--pn-line);
  border-radius: var(--pn-radius);
  background: linear-gradient(180deg, rgba(17, 38, 79, 0.92), rgba(11, 27, 58, 0.74));
  box-shadow: var(--sk-shadow);
}

.page-news .pn-focus__media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-bottom: 1px solid var(--pn-line);
  background: #0a1b39;
}

.page-news .pn-focus__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .pn-focus__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 46%, rgba(7, 16, 38, 0.72));
  pointer-events: none;
}

.page-news .pn-focus__body {
  padding: 20px clamp(16px, 2.6vw, 24px) 24px;
}

.page-news .pn-focus__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
}

.page-news .pn-focus__time {
  font-family: var(--sk-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--sk-mist);
}

.page-news .pn-focus__title {
  margin: 0;
  font-size: clamp(1.28rem, 3.4vw, 1.6rem);
  line-height: 1.42;
  letter-spacing: 0.01em;
  color: var(--sk-ice);
}

.page-news .pn-focus__desc {
  margin: 12px 0 0;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--sk-body);
}

.page-news .pn-focus__points {
  list-style: none;
  margin: 18px 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .pn-focus__points li {
  position: relative;
  padding-left: 18px;
  font-size: 0.88rem;
  line-height: 1.72;
  color: var(--sk-body);
}

.page-news .pn-focus__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--sk-teal);
  box-shadow: 0 0 0 3px rgba(31, 168, 160, 0.16);
}

.page-news .pn-focus__points .sk-num {
  color: var(--sk-teal);
  font-weight: 700;
}

/* ---------- 最新条目 ---------- */
.page-news .pn-latest__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--pn-line);
}

.page-news .pn-latest__title {
  margin: 0;
  font-size: clamp(1.16rem, 2.6vw, 1.36rem);
  letter-spacing: 0.04em;
  color: var(--sk-ice);
}

.page-news .pn-latest__note {
  margin: 0;
  font-family: var(--sk-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--sk-mist);
}

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

.page-news .pn-item {
  padding: 16px 0 16px 14px;
  border-bottom: 1px solid rgba(46, 63, 99, 0.48);
  border-left: 2px solid transparent;
  transition: border-color 0.3s var(--sk-ease), background 0.3s var(--sk-ease);
}

.page-news .pn-item:hover {
  border-left-color: var(--sk-teal);
  background: linear-gradient(90deg, rgba(31, 168, 160, 0.07), transparent 74%);
}

.page-news .pn-item__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin: 0;
}

.page-news .pn-item__time {
  font-family: var(--sk-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.03em;
  color: var(--sk-mist);
}

.page-news .pn-item__title {
  margin: 8px 0 6px;
  font-size: 1rem;
  line-height: 1.55;
  color: var(--sk-ice);
}

.page-news .pn-item__desc {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.75;
  color: var(--sk-body);
}

/* ---------- 右栏标签索引 ---------- */
.page-news .pn-rail {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-news .pn-rail__title {
  margin: 0;
  font-size: 1.02rem;
  letter-spacing: 0.08em;
  color: var(--sk-ice);
}

.page-news .pn-rail__group {
  padding: 14px 16px 16px;
  border: 1px solid var(--pn-line);
  border-radius: var(--pn-radius);
  background: var(--pn-panel);
}

.page-news .pn-rail__label {
  margin: 0 0 10px;
  font-family: var(--sk-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--sk-mist);
}

.page-news .pn-tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-news .pn-rail__group--note {
  background: linear-gradient(160deg, rgba(31, 168, 160, 0.12), rgba(17, 38, 79, 0.72) 62%);
  border-color: rgba(31, 168, 160, 0.34);
}

.page-news .pn-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .pn-rail__list li {
  font-size: 0.82rem;
  line-height: 1.68;
  color: var(--sk-body);
}

.page-news .pn-rail__when {
  display: block;
  font-family: var(--sk-font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--sk-teal);
}

/* ---------- 分类区块 ---------- */
.page-news .pn-cats {
  padding: clamp(34px, 5.6vw, 62px) 0;
  border-top: 1px solid var(--pn-line);
}

.page-news .pn-section-title {
  margin: 0;
  font-size: clamp(1.24rem, 3vw, 1.56rem);
  letter-spacing: 0.05em;
  color: var(--sk-ice);
}

.page-news .pn-cats__head {
  display: grid;
  gap: 10px;
  max-width: 72ch;
}

.page-news .pn-cats__lede {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.82;
  color: var(--sk-body);
}

.page-news .pn-cats__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.page-news .pn-cat {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--pn-line);
  border-radius: var(--pn-radius);
  background: rgba(11, 27, 58, 0.66);
  transition: border-color 0.3s var(--sk-ease), transform 0.3s var(--sk-ease);
}

.page-news .pn-cat:hover {
  border-color: rgba(31, 168, 160, 0.5);
  transform: translateY(-3px);
}

.page-news .pn-cat__visual {
  position: relative;
  aspect-ratio: 8 / 5;
  overflow: hidden;
  background: #0a1b39;
}

.page-news .pn-cat__visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.9;
}

.page-news .pn-cat--data .pn-cat__visual {
  background:
    radial-gradient(circle at 26% 34%, rgba(31, 168, 160, 0.85) 0 2.5px, transparent 3.5px),
    radial-gradient(circle at 58% 22%, rgba(232, 238, 249, 0.7) 0 1.6px, transparent 2.6px),
    radial-gradient(circle at 72% 58%, rgba(108, 92, 231, 0.85) 0 2.5px, transparent 3.5px),
    radial-gradient(circle at 42% 74%, rgba(245, 166, 35, 0.8) 0 2px, transparent 3px),
    radial-gradient(circle at 18% 66%, rgba(232, 238, 249, 0.5) 0 1.4px, transparent 2.4px),
    repeating-linear-gradient(115deg, rgba(31, 168, 160, 0.14) 0 1px, transparent 1px 26px),
    linear-gradient(160deg, #0d2447, #0a1b39 70%);
}

.page-news .pn-cat__node {
  position: absolute;
  border-radius: 50%;
  background: var(--sk-teal);
  box-shadow: 0 0 0 4px rgba(31, 168, 160, 0.14);
}

.page-news .pn-cat__node--a {
  top: 34%;
  left: 26%;
  width: 8px;
  height: 8px;
}

.page-news .pn-cat__node--b {
  top: 58%;
  left: 72%;
  width: 8px;
  height: 8px;
  background: var(--sk-violet);
  box-shadow: 0 0 0 4px rgba(108, 92, 231, 0.16);
}

.page-news .pn-cat__node--c {
  top: 74%;
  left: 42%;
  width: 7px;
  height: 7px;
  background: var(--sk-amber);
  box-shadow: 0 0 0 4px rgba(245, 166, 35, 0.16);
}

.page-news .pn-cat__node--d {
  top: 20%;
  left: 58%;
  width: 6px;
  height: 6px;
  background: var(--sk-ice);
  box-shadow: 0 0 0 3px rgba(232, 238, 249, 0.12);
}

.page-news .pn-cat__body {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  gap: 8px;
  padding: 16px 16px 18px;
}

.page-news .pn-cat__kind {
  margin: 0;
  font-family: var(--sk-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--sk-teal);
}

.page-news .pn-cat__title {
  margin: 0;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--sk-ice);
}

.page-news .pn-cat__desc {
  margin: 0;
  flex: 1 1 auto;
  font-size: 0.85rem;
  line-height: 1.74;
  color: var(--sk-body);
}

.page-news .pn-cat__link {
  align-self: flex-start;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--sk-amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(245, 166, 35, 0.4);
  padding-bottom: 2px;
  transition: color 0.25s var(--sk-ease), border-color 0.25s var(--sk-ease);
}

.page-news .pn-cat__link:hover,
.page-news .pn-cat__link:focus-visible {
  color: var(--sk-amber-soft);
  border-color: var(--sk-amber-soft);
}

/* ---------- 更新节奏 ---------- */
.page-news .pn-cadence {
  padding: clamp(34px, 5.6vw, 60px) 0;
  border-top: 1px solid var(--pn-line);
  background: linear-gradient(180deg, rgba(7, 16, 38, 0.1), rgba(31, 168, 160, 0.07));
}

.page-news .pn-cadence__head {
  display: grid;
  gap: 10px;
  max-width: 68ch;
}

.page-news .pn-cadence__lede {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.82;
  color: var(--sk-body);
}

.page-news .pn-cadence__track {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-news .pn-cadence__node {
  position: relative;
  padding-top: 26px;
}

.page-news .pn-cadence__dot {
  position: absolute;
  top: 2px;
  left: 0;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--sk-ink-900);
  border: 2px solid var(--sk-teal);
  box-shadow: 0 0 0 4px rgba(31, 168, 160, 0.13);
}

.page-news .pn-cadence__when {
  margin: 0 0 6px;
  font-family: var(--sk-font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.03em;
  color: var(--sk-amber);
}

.page-news .pn-cadence__what {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.76;
  color: var(--sk-body);
}

/* ---------- 延伸入口 ---------- */
.page-news .pn-next {
  padding: clamp(32px, 5vw, 56px) 0 clamp(46px, 7vw, 78px);
  border-top: 1px solid var(--pn-line);
}

.page-news .pn-next__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 22px;
}

.page-news .pn-next__card {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 18px 18px 20px;
  border: 1px solid var(--pn-line);
  border-radius: var(--pn-radius);
  background: linear-gradient(170deg, rgba(17, 38, 79, 0.86), rgba(11, 27, 58, 0.62));
}

.page-news .pn-next__kind {
  margin: 0;
  font-family: var(--sk-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--sk-violet);
}

.page-news .pn-next__title {
  margin: 0;
  font-size: 1rem;
  line-height: 1.54;
  color: var(--sk-ice);
}

.page-news .pn-next__desc {
  margin: 0;
  flex: 1 1 auto;
  font-size: 0.85rem;
  line-height: 1.76;
  color: var(--sk-body);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-news .pn-cats__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-news .pn-cadence__track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 24px;
    position: relative;
  }

  .page-news .pn-cadence__track::before {
    content: "";
    position: absolute;
    left: 6px;
    right: 6px;
    top: 9px;
    height: 1px;
    background: linear-gradient(90deg, rgba(31, 168, 160, 0.62), rgba(108, 92, 231, 0.5), rgba(245, 166, 35, 0.5));
    pointer-events: none;
  }

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

@media (min-width: 940px) {
  .page-news .pn-flow {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 1.16fr) minmax(0, 0.72fr);
    column-gap: clamp(20px, 2.4vw, 34px);
    align-items: start;
  }

  .page-news .pn-rail {
    position: sticky;
    top: 96px;
  }

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

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

@media (prefers-reduced-motion: reduce) {
  .page-news .pn-item,
  .page-news .pn-cat,
  .page-news .pn-cat__link {
    transition: none;
  }

  .page-news .pn-cat:hover {
    transform: none;
  }
}
<<<END>>>