.page-news {
  --pn-line: rgba(199, 211, 220, 0.16);
  --pn-line-soft: rgba(199, 211, 220, 0.08);
  --pn-card: rgba(246, 244, 239, 0.06);
  --pn-card-hi: rgba(246, 244, 239, 0.1);
  --pn-mist-70: rgba(199, 211, 220, 0.72);
  background: var(--deep);
  color: var(--paper);
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* 顶部上下文 */
.page-news .news-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 18px;
}
.page-news .crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}
.page-news .crumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}
.page-news .crumbs a:hover,
.page-news .crumbs a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}
.page-news .crumbs__sep {
  color: rgba(199, 211, 220, 0.45);
}
.page-news .news-top__stamp {
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist);
  border: 1px solid var(--pn-line);
  padding: 4px 8px;
  white-space: nowrap;
}

/* 首屏 */
.page-news .news-hero {
  position: relative;
  padding: clamp(30px, 5vw, 54px) 0 clamp(40px, 6vw, 72px);
  border-bottom: 1px solid var(--pn-line);
  background:
    radial-gradient(120% 84% at 88% -12%, rgba(47, 227, 210, 0.16), rgba(47, 227, 210, 0) 62%),
    repeating-linear-gradient(to bottom, rgba(199, 211, 220, 0.055) 0 1px, rgba(0, 0, 0, 0) 1px 88px);
}
.page-news .news-hero__inner {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}
.page-news .news-hero__eyebrow {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}
.page-news .news-hero__title {
  margin: 14px 0 0;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(32px, 7vw, 66px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper);
}
.page-news .news-hero__lead {
  margin: 18px 0 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.9;
  color: var(--mist);
}
.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}
.page-news .hero-stats {
  margin: 0;
  border-top: 1px solid var(--pn-line);
}
.page-news .hero-stats__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--pn-line-soft);
}
.page-news .hero-stats dt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--pn-mist-70);
}
.page-news .hero-stats dd {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
}

/* 章节骨架 */
.page-news .news-section {
  padding: clamp(44px, 7vw, 92px) 0;
  border-bottom: 1px solid var(--pn-line-soft);
}
.page-news .news-section--last {
  border-bottom: 0;
}
.page-news .news-head {
  margin-bottom: clamp(22px, 4vw, 42px);
}
.page-news .sec-num {
  display: block;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan);
}
.page-news .news-head__title {
  margin: 12px 0 0;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-news .news-head__sub {
  margin: 10px 0 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--pn-mist-70);
}
@supports (-webkit-text-stroke: 1px #000) {
  .page-news .sec-num {
    color: transparent;
    -webkit-text-stroke: 1px var(--cyan);
  }
}

/* 01 四个系列 */
.page-news .series-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pn-line);
}
.page-news .series-item {
  display: grid;
  gap: 10px;
  padding: 24px 0;
  border-bottom: 1px solid var(--pn-line);
}
.page-news .series-item__num {
  font-family: var(--display);
  font-weight: 800;
  font-size: 30px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan);
}
@supports (-webkit-text-stroke: 1px #000) {
  .page-news .series-item__num {
    color: transparent;
    -webkit-text-stroke: 1px var(--cyan);
  }
}
.page-news .series-item__name {
  margin: 0;
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.3;
  font-weight: 700;
  color: var(--paper);
}
.page-news .series-item__meta {
  display: block;
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}
.page-news .series-item__who {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--pn-mist-70);
}
.page-news .series-item__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}
.page-news .series-item__link {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s ease;
}
.page-news .series-item__link:hover,
.page-news .series-item__link:focus-visible {
  border-bottom-color: var(--cyan);
}

/* 02 本期推荐 + 筛选条 */
.page-news .pick-bar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 10px 0;
  background: var(--deep);
  border-bottom: 1px solid var(--pn-line);
  box-shadow: 0 10px 22px -18px rgba(6, 23, 38, 0.9);
}
.page-news .pick-bar__label,
.page-news .pick-bar__count {
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--pn-mist-70);
}
.page-news .pick-bar__count {
  margin-left: auto;
  white-space: nowrap;
}
.page-news .pick-chip {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 11px;
  border: 1px solid var(--pn-line);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
  text-decoration: none;
  background: transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}
.page-news .pick-chip span {
  font-size: 10px;
  color: rgba(199, 211, 220, 0.55);
}
.page-news .pick-chip::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: -1px;
  height: 2px;
  background: var(--coral);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.18s ease;
}
.page-news .pick-chip:hover,
.page-news .pick-chip:focus-visible {
  color: var(--paper);
  border-color: rgba(199, 211, 220, 0.34);
}
.page-news .pick-chip:hover::after,
.page-news .pick-chip:focus-visible::after,
.page-news .pick-chip.is-active::after {
  transform: scaleX(1);
}
.page-news .pick-chip.is-active {
  color: var(--paper);
  border-color: rgba(255, 107, 74, 0.5);
}

.page-news .pick-group {
  display: grid;
  gap: 16px;
  padding: clamp(26px, 4vw, 42px) 0;
  border-bottom: 1px solid var(--pn-line-soft);
  scroll-margin-top: 120px;
}
.page-news .pick-group:last-child {
  border-bottom: 0;
}
.page-news .pick-group__num {
  display: block;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}
.page-news .pick-group__name {
  margin: 8px 0 0;
  font-size: 21px;
  line-height: 1.3;
  font-weight: 700;
  color: var(--paper);
}
.page-news .pick-group__note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--pn-mist-70);
}
.page-news .pick-group__main {
  min-width: 0;
}
.page-news .pick-group__cards {
  display: grid;
  gap: 14px;
}

.page-news .pick-card {
  min-width: 0;
  padding: 18px;
  background: var(--pn-card);
  border-left: 2px solid rgba(47, 227, 210, 0.5);
  transition: background 0.18s ease;
}
.page-news .pick-card:hover {
  background: var(--pn-card-hi);
}
.page-news .pick-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}
.page-news .pick-card__time {
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--pn-mist-70);
  white-space: nowrap;
}
.page-news .pick-card__title {
  margin: 12px 0 0;
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.5;
  font-weight: 700;
  color: var(--paper);
}
.page-news .pick-card__lead {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}
.page-news .pick-card__more {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--pn-line-soft);
}
.page-news .pick-card__more summary {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}
.page-news .pick-card__more summary::-webkit-details-marker {
  display: none;
}
.page-news .pick-card__more summary::before {
  content: "+";
  font-size: 14px;
  line-height: 1;
}
.page-news .pick-card__more[open] summary::before {
  content: "\2013";
}
.page-news .pick-card__steps {
  margin: 12px 0 0;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--pn-mist-70);
}
.page-news .pick-card__steps li + li {
  margin-top: 6px;
}

/* 媒体槽位 */
.page-news .media {
  margin: 0 0 16px;
  position: relative;
  overflow: hidden;
  background: rgba(6, 23, 38, 0.55);
}
.page-news .media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-news .media__caption {
  padding-top: 8px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: rgba(199, 211, 220, 0.6);
}

/* 03 条目结构 */
.page-news .struct-grid {
  display: grid;
  gap: 18px;
}
.page-news .struct-item {
  padding: 18px 0 18px 16px;
  border-left: 1px solid var(--pn-line);
  background: linear-gradient(to right, rgba(246, 244, 239, 0.045), rgba(246, 244, 239, 0));
}
.page-news .struct-item__num {
  display: block;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}
.page-news .struct-item__name {
  margin: 10px 0 0;
  font-size: 19px;
  line-height: 1.35;
  font-weight: 700;
  color: var(--paper);
}
.page-news .struct-item__text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--pn-mist-70);
}
.page-news .struct-note {
  margin: 22px 0 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--pn-mist-70);
}

/* 04 往期归档 */
.page-news .archive-layout {
  display: grid;
  gap: 26px;
}
.page-news .archive-list {
  border-top: 1px solid var(--pn-line);
}
.page-news .archive-group {
  border-bottom: 1px solid var(--pn-line);
}
.page-news .archive-group__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  transition: color 0.18s ease;
}
.page-news .archive-group__head::-webkit-details-marker {
  display: none;
}
.page-news .archive-group__name {
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}
.page-news .archive-group__head:hover .archive-group__name,
.page-news .archive-group[open] .archive-group__name {
  color: var(--cyan);
}
.page-news .archive-group__count {
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--pn-mist-70);
  white-space: nowrap;
}
.page-news .archive-items {
  list-style: none;
  margin: 0 0 16px;
  padding: 0 0 0 14px;
  border-left: 1px solid var(--pn-line-soft);
}
.page-news .archive-items li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  padding: 9px 0;
  border-bottom: 1px dashed rgba(199, 211, 220, 0.1);
}
.page-news .archive-items li:last-child {
  border-bottom: 0;
}
.page-news .archive-items__title {
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
  max-width: 34em;
}
.page-news .archive-items__time {
  font-size: 10px;
  letter-spacing: 0.1em;
  color: rgba(199, 211, 220, 0.6);
  white-space: nowrap;
}
.page-news .archive-figure {
  margin: 0;
}

/* 05 更新节奏 */
.page-news .rhythm {
  display: grid;
  gap: 20px;
}
.page-news .rhythm__cards {
  display: grid;
  gap: 14px;
}
.page-news .rhythm-card {
  padding: 20px;
  background: var(--pn-card);
  border-top: 2px solid rgba(47, 227, 210, 0.45);
}
.page-news .rhythm-card__tag {
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}
.page-news .rhythm-card__title {
  margin: 10px 0 0;
  font-family: var(--display);
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-news .rhythm-card__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--pn-mist-70);
}
.page-news .rhythm__remind {
  padding: 22px;
  background: rgba(6, 23, 38, 0.55);
  border: 1px solid rgba(255, 194, 75, 0.28);
}
.page-news .rhythm__remind-title {
  margin: 0;
  font-size: 19px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--paper);
}
.page-news .rhythm__remind-text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--pn-mist-70);
}
.page-news .rhythm__mail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--pn-line-soft);
}
.page-news .rhythm__mail-addr {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--amber);
  word-break: break-all;
}
.page-news .rhythm__btn {
  margin-top: 18px;
}

.page-news .news-next {
  display: grid;
  gap: 8px;
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid var(--pn-line);
}
.page-news .news-next__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  font-size: 14px;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}
.page-news .news-next__link:hover,
.page-news .news-next__link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--pn-line);
}

/* 响应式 */
@media (min-width: 700px) {
  .page-news .struct-grid {
    grid-template-columns: 1.15fr 1fr 1fr;
    gap: 22px;
  }
  .page-news .struct-item:nth-child(2) {
    margin-top: 22px;
  }
  .page-news .struct-item:nth-child(3) {
    margin-top: 44px;
  }
  .page-news .rhythm__cards {
    grid-template-columns: 1fr 1fr;
  }
  .page-news .pick-card:nth-child(2) {
    margin-left: 32px;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }
  .page-news .series-item {
    grid-template-columns: 74px minmax(0, 0.95fr) minmax(0, 1.3fr);
    gap: 30px;
    align-items: start;
    padding: 28px 0;
  }
  .page-news .series-item__num {
    font-size: 34px;
  }
  .page-news .pick-group {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: clamp(24px, 4vw, 56px);
    align-items: start;
  }
  .page-news .archive-layout {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    gap: 44px;
    align-items: start;
  }
  .page-news .rhythm {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 28px;
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-news .pick-card {
    padding: 22px;
  }
  .page-news .pick-card:nth-child(3) {
    margin-left: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .pick-chip::after,
  .page-news .pick-card,
  .page-news .series-item__link,
  .page-news .crumbs a,
  .page-news .news-next__link {
    transition: none;
  }
}
<<<END>>>