.page-news {
  --news-panel: rgba(14, 42, 71, .74);
  --news-panel-2: rgba(7, 26, 43, .9);
  --news-gap: clamp(1rem, 2.4vw, 1.75rem);
  --news-violet-ink: #a79bff;

  background:
    radial-gradient(70% 42% at 100% 0%, rgba(108, 92, 231, .2), transparent 62%),
    radial-gradient(58% 38% at 0% 34%, rgba(47, 230, 214, .1), transparent 62%),
    linear-gradient(180deg, #04101c 0%, #071a2b 38%, #0b2337 72%, #04101c 100%);
  color: var(--mist);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  isolation: isolate;
  padding-block: clamp(1.75rem, 4vw, 3rem) clamp(2.75rem, 6.5vw, 5rem);
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-news .news-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .3;
  filter: saturate(.95);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), rgba(0, 0, 0, .4) 68%, transparent 100%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), rgba(0, 0, 0, .4) 68%, transparent 100%);
  pointer-events: none;
}

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

.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: clamp(.6rem, 1.9vw, 1.4rem);
  z-index: 1;
  border: 1px solid var(--line-cyan);
  opacity: .42;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
  pointer-events: none;
}

.page-news .news-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 6.2vw, 4.3rem);
  line-height: 1.05;
  letter-spacing: -.02em;
  margin: .6rem 0 1rem;
  max-width: 18ch;
}

.page-news .news-hero__mark {
  color: var(--cyan);
  position: relative;
  white-space: nowrap;
}

.page-news .news-hero__mark::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: .06em;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent);
}

.page-news .news-hero__lede {
  max-width: 54ch;
  margin: 0;
  font-size: clamp(1rem, 1.35vw, 1.1rem);
  line-height: 1.8;
  color: var(--steel-2);
}

.page-news .news-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(.9rem, 2.6vw, 2.6rem);
  margin: clamp(1.5rem, 3.6vw, 2.4rem) 0 0;
  padding-top: 1.2rem;
  border-top: 1px dashed var(--line);
}

.page-news .news-stat {
  min-width: 7.5rem;
}

.page-news .news-stat__label {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--steel);
  margin-bottom: .3rem;
}

.page-news .news-stat__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  line-height: 1.1;
  color: var(--cyan);
  letter-spacing: .02em;
}

/* ---------- 目录区 ---------- */
.page-news .news-board {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.page-news .news-board__intro {
  max-width: 60ch;
  margin-bottom: clamp(1.5rem, 3.4vw, 2.5rem);
}

.page-news .section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 4vw, 2.5rem);
  line-height: 1.16;
  letter-spacing: -.015em;
  margin: .35rem 0 0;
}

.page-news .news-board__note {
  margin: .85rem 0 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--steel-2);
}

.page-news .news-board__inner {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
  align-items: start;
}

.page-news .news-rail {
  padding: 1rem;
  background: var(--news-panel-2);
  border: 1px solid var(--line-soft);
  border-left: 2px solid rgba(47, 230, 214, .45);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-news .news-tabs {
  display: flex;
  gap: .5rem;
  overflow-x: auto;
  padding-bottom: .6rem;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.page-news .news-tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  padding: .65rem 1rem;
  font-family: var(--font-body);
  font-size: .9rem;
  font-weight: 600;
  color: var(--steel-2);
  background: rgba(14, 42, 71, .8);
  border: 1px solid var(--line-soft);
  cursor: pointer;
  white-space: nowrap;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
  transition: color .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease);
}

.page-news .news-tab__num {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .1em;
  opacity: .8;
}

.page-news .news-tab:hover {
  color: var(--mist);
  border-color: var(--line-cyan);
}

.page-news .news-tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-news .news-tab[aria-selected="true"] {
  color: #04101c;
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-news .news-rail__series {
  margin-top: 1.2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line-soft);
}

.page-news .news-rail__series-title {
  margin: 0 0 .6rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .14em;
  color: var(--steel);
}

.page-news .news-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .55rem;
}

.page-news .news-rail__link {
  display: flex;
  align-items: baseline;
  gap: .55rem;
  font-size: .88rem;
  line-height: 1.5;
  color: var(--steel-2);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-news .news-rail__num {
  font-family: var(--font-mono);
  font-size: .76rem;
  color: var(--teal);
  letter-spacing: .1em;
}

.page-news .news-rail__link:hover {
  color: var(--cyan);
  border-bottom-color: var(--line-cyan);
}

.page-news .news-rail__tip {
  margin: 1rem 0 0;
  font-size: .8rem;
  line-height: 1.7;
  color: var(--steel);
  padding-left: .7rem;
  border-left: 2px solid rgba(255, 200, 87, .55);
}

/* ---------- 条目列表 ---------- */
.page-news .tab-panel {
  display: block;
}

.page-news .tab-panel[hidden] {
  display: none;
}

.page-news .news-panel__lede {
  margin: 0 0 1rem;
  padding-left: .85rem;
  border-left: 2px solid var(--line-cyan);
  font-size: .92rem;
  line-height: 1.75;
  color: var(--steel);
}

.page-news .news-list {
  display: grid;
  gap: .75rem;
}

.page-news .news-item {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: .3rem .85rem;
  padding: clamp(.9rem, 2vw, 1.2rem);
  background: linear-gradient(150deg, var(--news-panel), var(--news-panel-2));
  border: 1px solid var(--line-soft);
  border-left: 2px solid rgba(47, 230, 214, .28);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
  transition: transform .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-news .news-item:hover {
  transform: translateX(3px);
  border-left-color: var(--cyan);
  background: linear-gradient(150deg, rgba(20, 58, 92, .86), rgba(7, 26, 43, .94));
}

.page-news .news-item__num {
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .1em;
  color: var(--cyan);
  padding-top: .12rem;
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .45rem;
  margin-bottom: .35rem;
}

.page-news .news-item__tag {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .05em;
  padding: .16rem .5rem;
  border: 1px solid currentColor;
  color: var(--cyan);
  white-space: nowrap;
}

.page-news .news-item__tag--guide {
  color: var(--teal);
}

.page-news .news-item__tag--cost {
  color: var(--coral);
}

.page-news .news-item__tag--notice {
  color: var(--news-violet-ink);
}

.page-news .news-item__time {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .05em;
  color: var(--amber);
}

.page-news .news-item__title {
  margin: 0 0 .35rem;
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.7vw, 1.14rem);
  font-weight: 700;
  line-height: 1.42;
  color: var(--mist);
  overflow-wrap: break-word;
}

.page-news .news-item__text {
  margin: 0;
  font-size: .9rem;
  line-height: 1.78;
  color: var(--steel-2);
}

.page-news .news-item__link {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color .18s var(--ease);
}

.page-news .news-item__link:hover {
  color: var(--mist);
}

.page-news .news-item__media {
  margin: .9rem 0 0;
}

.page-news .news-item__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line-soft);
}

/* ---------- 专题系列 ---------- */
.page-news .news-series {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
  border-top: 1px solid var(--line-soft);
}

.page-news .news-series__grid {
  display: grid;
  gap: var(--news-gap);
  margin-top: clamp(1.5rem, 3.4vw, 2.4rem);
}

.page-news .series-card {
  position: relative;
  padding: clamp(1.1rem, 2.4vw, 1.7rem);
  background: var(--news-panel-2);
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-news .series-card--plain {
  background:
    repeating-linear-gradient(135deg, rgba(108, 92, 231, .1) 0 2px, transparent 2px 14px),
    var(--news-panel-2);
  border-color: rgba(108, 92, 231, .34);
}

.page-news .series-card__media {
  margin: 0 0 1.1rem;
}

.page-news .series-card__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line-soft);
}

.page-news .series-card__tag {
  display: inline-block;
  margin-bottom: .7rem;
  padding: .2rem .6rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--news-violet-ink);
  border: 1px solid rgba(108, 92, 231, .6);
  background: rgba(108, 92, 231, .12);
}

.page-news .series-card__title {
  margin: 0 0 .6rem;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.4vw, 1.55rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--mist);
}

.page-news .series-card__text {
  margin: 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--steel-2);
}

.page-news .series-card__list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: .5rem;
}

.page-news .series-card__list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: .9rem;
  line-height: 1.65;
}

.page-news .series-card__list li::before {
  content: "›";
  position: absolute;
  left: .1rem;
  color: var(--cyan);
}

.page-news .series-card__link {
  color: var(--steel-2);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-news .series-card__link:hover {
  color: var(--cyan);
  border-bottom-color: var(--line-cyan);
}

.page-news .series-card__steps {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: .6rem;
}

.page-news .series-card__steps li {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: .5rem;
  align-items: baseline;
  font-size: .9rem;
  line-height: 1.7;
  color: var(--steel-2);
}

.page-news .series-card__step-num {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .1em;
  color: var(--teal);
}

/* ---------- 后续入口 ---------- */
.page-news .news-next {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
  border-top: 1px solid var(--line-soft);
}

.page-news .news-next__grid {
  display: grid;
  gap: var(--news-gap);
  margin-top: clamp(1.4rem, 3.2vw, 2.2rem);
}

.page-news .next-card {
  display: block;
  padding: clamp(1rem, 2.2vw, 1.35rem);
  text-decoration: none;
  color: var(--mist);
  background: linear-gradient(150deg, rgba(14, 42, 71, .82), rgba(4, 16, 28, .92));
  border: 1px solid var(--line-soft);
  border-top: 2px solid rgba(47, 230, 214, .5);
  transition: transform .2s var(--ease), border-color .2s var(--ease);
}

.page-news .next-card:hover {
  transform: translateY(-3px);
  border-top-color: var(--cyan);
  border-color: var(--line-cyan);
}

.page-news .next-card__label {
  display: block;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-news .next-card__title {
  display: block;
  margin: .45rem 0 .35rem;
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--mist);
}

.page-news .next-card__text {
  display: block;
  font-size: .86rem;
  line-height: 1.72;
  color: var(--steel-2);
}

/* ---------- 响应式 ---------- */
@media (min-width: 48rem) {
  .page-news .news-next__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 60rem) {
  .page-news .news-board__inner {
    grid-template-columns: minmax(15rem, 18.5rem) minmax(0, 1fr);
    gap: clamp(1.6rem, 3.2vw, 2.75rem);
  }

  .page-news .news-rail {
    position: sticky;
    top: 2rem;
    padding: 1.15rem;
  }

  .page-news .news-tabs {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .news-tab {
    flex: 1 1 auto;
    width: 100%;
    justify-content: flex-start;
    padding: .72rem .95rem;
  }

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

@media (min-width: 62rem) {
  .page-news .news-series__grid {
    grid-template-columns: 1.4fr 1fr;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .next-card,
  .page-news .news-tab,
  .page-news .series-card__link,
  .page-news .news-rail__link,
  .page-news .news-item__link {
    transition: none;
  }

  .page-news .news-item:hover,
  .page-news .next-card:hover {
    transform: none;
  }
}
<<<END>>>