.page-news {
  --news-line: 1px solid var(--navy-700);
  --news-gap: clamp(1rem, 2.5vw, 1.75rem);
  --news-pad: clamp(1.25rem, 3vw, 2rem);
  --news-cut: var(--radius);
  overflow-x: clip;
}

.page-news [data-visible="false"] {
  display: none;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding: clamp(2rem, 5vw, 3.5rem) 0 clamp(1.75rem, 4vw, 3rem);
  background:
    radial-gradient(115% 85% at 108% 4%, rgba(255, 107, 26, 0.14), transparent 58%),
    radial-gradient(90% 70% at -10% 100%, rgba(33, 212, 181, 0.08), transparent 60%),
    linear-gradient(180deg, var(--navy-950) 0%, var(--navy-900) 100%);
  border-bottom: var(--news-line);
}

.page-news .news-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.25rem, 3vw, 2.25rem);
  margin-top: clamp(1rem, 2.5vw, 1.75rem);
}

.page-news .news-hero__title {
  margin: 0;
  font-size: clamp(2.125rem, 5.6vw, 4rem);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--ice-100);
}

.page-news .news-hero__brand {
  color: var(--orange-500);
}

.page-news .news-hero__aside {
  display: flex;
  flex-direction: column;
  gap: clamp(1rem, 2.5vw, 1.5rem);
  border-left: 1px solid var(--navy-700);
  padding-left: clamp(1rem, 2.5vw, 1.5rem);
}

.page-news .news-hero__aside .lead {
  margin: 0;
  color: var(--mist-300);
}

.page-news .news-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-news .news-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--navy-700);
  border: var(--news-line);
  margin: clamp(2rem, 5vw, 3rem) 0 0;
  padding: 0;
}

.page-news .news-hero__stat {
  background: var(--navy-900);
  padding: clamp(0.875rem, 2vw, 1.25rem) clamp(1rem, 2.5vw, 1.5rem);
}

.page-news .news-hero__stat dt {
  margin: 0 0 0.35rem;
  color: var(--mist-300);
}

.page-news .news-hero__stat dd {
  margin: 0;
}

.page-news .news-hero__num {
  font-size: clamp(1.125rem, 2.4vw, 1.5rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ice-100);
}

/* ---------- 栏目筛选条 ---------- */
.page-news .news-filterbar {
  background: var(--navy-950);
  border-bottom: var(--news-line);
}

.page-news .news-filterbar__inner {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding-block: clamp(1rem, 2.5vw, 1.5rem);
}

.page-news .news-filterbar__label {
  margin: 0;
  color: var(--navy-500);
}

.page-news .news-filterbar__group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-news .news-filter {
  font-family: inherit;
  font-size: 0.875rem;
  line-height: 1;
  padding: 0.6rem 1rem;
  background: transparent;
  color: var(--mist-300);
  border: 1px solid var(--navy-700);
  border-radius: 999px;
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-news .news-filter:hover {
  color: var(--ice-100);
  border-color: var(--navy-500);
  background: var(--navy-800);
}

.page-news .news-filter.is-active {
  color: var(--navy-950);
  background: var(--orange-500);
  border-color: var(--orange-500);
  font-weight: 700;
}

.page-news .news-filter:focus-visible {
  outline: 2px solid var(--orange-500);
  outline-offset: 3px;
}

/* ---------- 本周更新头条 ---------- */
.page-news .news-feature__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  padding-bottom: 1rem;
  border-bottom: var(--news-line);
}

.page-news .news-feature__head h2 {
  margin: 0;
}

.page-news .news-feature__stamp {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  color: var(--teal-200);
}

.page-news .news-feature__card {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
  background: linear-gradient(160deg, var(--navy-800) 0%, var(--navy-900) 78%);
  border: var(--news-line);
  border-radius: var(--news-cut);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease);
}

.page-news .news-feature__card:hover {
  border-color: var(--navy-500);
}

.page-news .news-feature__media {
  margin: 0;
  position: relative;
  overflow: hidden;
  background: var(--navy-950);
}

.page-news .news-feature__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 11, 24, 0) 35%, rgba(5, 11, 24, 0.86) 100%);
  pointer-events: none;
}

.page-news .news-feature__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 7 / 4;
  object-fit: cover;
  filter: saturate(1.05) contrast(1.05);
}

.page-news .news-feature__body {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  padding: clamp(1.25rem, 3vw, 2.25rem);
}

.page-news .news-feature__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-news .news-feature__title {
  margin: 0;
  color: var(--ice-100);
  line-height: 1.25;
}

.page-news .news-feature__body p {
  margin: 0;
  color: var(--mist-300);
  line-height: 1.75;
}

.page-news .news-feature__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 0.5rem;
  padding-top: 1rem;
  border-top: var(--news-line);
}

.page-news .news-feature__time {
  font-size: 0.8125rem;
  color: var(--mist-300);
  letter-spacing: 0.02em;
}

.page-news .news-feature__link {
  font-size: 0.9375rem;
  color: var(--amber-300);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .news-feature__link:hover {
  color: var(--orange-500);
  border-bottom-color: var(--orange-500);
}

.page-news .news-feature__link:focus-visible {
  outline: 2px solid var(--orange-500);
  outline-offset: 3px;
}

/* ---------- 轮次时间线 ---------- */
.page-news .news-timeline__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.page-news .news-timeline__head h2 {
  margin: 0;
}

.page-news .news-timeline__hint {
  margin: 0;
  color: var(--mist-300);
}

.page-news .news-timeline__track {
  display: flex;
  gap: 1px;
  list-style: none;
  margin: 0;
  padding: 0 0 1.25rem;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-timeline__node {
  position: relative;
  flex: 1 0 clamp(210px, 24vw, 260px);
  scroll-snap-align: start;
  padding: 1.75rem 1.5rem 1.25rem 0;
  border-top: 2px solid var(--navy-700);
  background: transparent;
}

.page-news .news-timeline__node::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--navy-700);
  transform: translateY(-50%);
  transition: box-shadow var(--dur) var(--ease);
}

.page-news .news-timeline__node.is-done::before {
  background: var(--teal-400);
}

.page-news .news-timeline__node.is-current::before {
  background: var(--orange-500);
  box-shadow: 0 0 0 5px rgba(255, 107, 26, 0.18);
}

.page-news .news-timeline__node.is-next::before {
  background: var(--navy-950);
  border: 2px solid var(--navy-500);
}

.page-news .news-timeline__node.is-current {
  border-top-color: var(--orange-500);
}

.page-news .news-timeline__round {
  display: block;
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ice-100);
  margin-bottom: 0.5rem;
}

.page-news .news-timeline__node.is-current .news-timeline__round {
  color: var(--orange-500);
}

.page-news .news-timeline__node.is-next .news-timeline__round {
  color: var(--navy-500);
}

.page-news .news-timeline__label {
  margin: 0 0 0.5rem;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--ice-100);
}

.page-news .news-timeline__note {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--mist-300);
}

/* ---------- 积分榜观察 ---------- */
.page-news .news-board {
  background: var(--navy-900);
  border-top: var(--news-line);
  border-bottom: var(--news-line);
}

.page-news .news-board__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
}

.page-news .news-board__text h2 {
  margin: 0.5rem 0 1rem;
  color: var(--ice-100);
}

.page-news .news-board__text > p {
  margin: 0 0 1.75rem;
  color: var(--mist-300);
  line-height: 1.75;
  max-width: 56ch;
}

.page-news .news-board__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--news-line);
}

.page-news .news-board__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: var(--news-line);
}

.page-news .news-board__k {
  font-size: 0.8125rem;
  color: var(--orange-500);
  letter-spacing: 0.06em;
  padding-top: 0.2rem;
}

.page-news .news-board__item p {
  margin: 0;
  color: var(--ice-100);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.page-news .news-board__media {
  margin: 0;
  border: var(--news-line);
  background: var(--navy-950);
  overflow: hidden;
}

.page-news .news-board__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 20 / 13;
  object-fit: cover;
}

.page-news .news-board__cap {
  padding: 0.75rem clamp(1rem, 2.5vw, 1.5rem);
  font-size: 0.8125rem;
  color: var(--mist-300);
  border-top: var(--news-line);
}

/* ---------- 入口维护笔记 ---------- */
.page-news .news-maint__head {
  max-width: 62ch;
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.page-news .news-maint__head h2 {
  margin: 0.5rem 0 0.75rem;
}

.page-news .news-maint__head p {
  margin: 0;
  color: var(--mist-300);
  line-height: 1.75;
}

.page-news .news-maint__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.25rem, 3vw, 2rem);
}

.page-news .news-maint__media {
  margin: 0;
  border: var(--news-line);
  background: var(--navy-950);
  overflow: hidden;
}

.page-news .news-maint__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-news .news-maint__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--navy-700);
  border: var(--news-line);
}

.page-news .news-maint__item {
  background: var(--navy-900);
  padding: clamp(1rem, 2.5vw, 1.5rem);
  transition: background-color var(--dur) var(--ease);
}

.page-news .news-maint__item:hover {
  background: var(--navy-800);
}

.page-news .news-maint__idx {
  display: inline-block;
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--teal-400);
  margin-bottom: 0.5rem;
}

.page-news .news-maint__item h3 {
  margin: 0 0 0.5rem;
  color: var(--ice-100);
  line-height: 1.3;
}

.page-news .news-maint__item p {
  margin: 0;
  color: var(--mist-300);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ---------- 专题系列 ---------- */
.page-news .news-topics {
  background: var(--navy-950);
  border-top: var(--news-line);
}

.page-news .news-topics__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: clamp(1.5rem, 4vw, 2.25rem);
}

.page-news .news-topics__head h2 {
  margin: 0;
}

.page-news .news-topics__head p {
  margin: 0;
  color: var(--mist-300);
}

.page-news .news-topics__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--navy-700);
  border: var(--news-line);
}

.page-news .news-topics__card {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  padding: clamp(1.25rem, 3vw, 1.75rem);
  background: var(--navy-900);
  color: inherit;
  text-decoration: none;
  transition: background-color var(--dur) var(--ease);
}

.page-news .news-topics__card:hover {
  background: var(--navy-800);
}

.page-news .news-topics__card:focus-visible {
  outline: 2px solid var(--orange-500);
  outline-offset: -2px;
}

.page-news .news-topics__card .tag {
  align-self: flex-start;
}

.page-news .news-topics__card h3 {
  margin: 0;
  color: var(--ice-100);
  line-height: 1.3;
}

.page-news .news-topics__card p {
  margin: 0;
  color: var(--mist-300);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.page-news .news-topics__more {
  margin-top: auto;
  padding-top: 0.75rem;
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  color: var(--amber-300);
}

.page-news .news-topics__card:hover .news-topics__more {
  color: var(--orange-500);
}

.page-news .news-topics__media {
  margin: clamp(1.5rem, 4vw, 2.5rem) 0 0;
  border: var(--news-line);
  overflow: hidden;
  background: var(--navy-900);
}

.page-news .news-topics__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 20 / 13;
  object-fit: cover;
}

/* ---------- 订阅与回访 ---------- */
.page-news .news-return {
  background:
    linear-gradient(125deg, var(--navy-800) 0%, var(--navy-950) 72%);
  border-top: var(--news-line);
  position: relative;
  overflow: hidden;
}

.page-news .news-return::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -10%;
  width: 46%;
  height: 180%;
  background: linear-gradient(90deg, rgba(255, 107, 26, 0.12), transparent);
  transform: skewX(-12deg);
  pointer-events: none;
}

.page-news .news-return__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: center;
  padding-block: clamp(2.5rem, 6vw, 4rem);
}

.page-news .news-return__copy h2 {
  margin: 0.5rem 0 0.875rem;
  color: var(--ice-100);
}

.page-news .news-return__copy p {
  margin: 0;
  color: var(--mist-300);
  line-height: 1.75;
  max-width: 60ch;
}

.page-news .news-return__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .news-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-filterbar__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .page-news .news-topics__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-topics__card:first-child {
    grid-column: span 2;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: end;
  }

  .page-news .news-feature__card {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-news .news-feature__media img {
    height: 100%;
    aspect-ratio: auto;
  }

  .page-news .news-board__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-maint__grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-news .news-return__inner {
    grid-template-columns: minmax(0, 1.6fr) auto;
  }

  .page-news .news-return__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1120px) {
  .page-news .news-topics__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .news-topics__card:first-child {
    grid-column: span 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }
}
<<<END>>>