.page-news {
  --news-rail: 248px;
  --news-gap: clamp(20px, 3.4vw, 40px);
  background: var(--yh-space);
  color: var(--yh-ice);
  padding: clamp(88px, 10vw, 122px) 0 clamp(56px, 8vw, 104px);
  overflow-x: clip;
}

.page-news .news-crumb {
  margin-bottom: clamp(16px, 2.6vw, 26px);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  isolation: isolate;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -14% -8% auto -8%;
  height: min(62vw, 520px);
  background:
    radial-gradient(46% 62% at 16% 4%, rgba(123, 92, 255, .34), transparent 68%),
    radial-gradient(44% 58% at 84% 0%, rgba(255, 106, 43, .24), transparent 70%),
    radial-gradient(36% 42% at 60% 48%, rgba(182, 255, 59, .10), transparent 72%);
  pointer-events: none;
}

.page-news .news-hero__title {
  margin: 14px 0 0;
  font-family: var(--yh-font-display);
  font-weight: 900;
  font-size: clamp(31px, 6.4vw, 64px);
  line-height: 1.06;
  letter-spacing: -.025em;
  text-shadow: 0 0 44px rgba(255, 106, 43, .26);
}

.page-news .news-hero__lede {
  margin: clamp(14px, 2.2vw, 22px) 0 0;
  max-width: 62ch;
  color: var(--yh-ink-soft);
  font-size: clamp(15px, 2vw, 17.5px);
  line-height: 1.78;
}

.page-news .news-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-hero__tag {
  display: inline-flex;
  align-items: center;
  padding: 7px 15px;
  border-radius: var(--yh-pill);
  border: 1px solid var(--yh-line);
  background: rgba(27, 47, 90, .45);
  color: var(--yh-mist);
  font-size: 13.5px;
  text-decoration: none;
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}

.page-news .news-hero__tag:hover,
.page-news .news-hero__tag:focus-visible {
  color: var(--yh-ice);
  border-color: rgba(255, 106, 43, .6);
  background: rgba(255, 106, 43, .14);
}

.page-news .news-banner {
  position: relative;
  margin: clamp(26px, 4.2vw, 44px) 0 0;
  border-radius: var(--yh-radius);
  border: 1px solid var(--yh-line);
  overflow: hidden;
  background: linear-gradient(140deg, rgba(123, 92, 255, .3), rgba(7, 19, 43, .9) 55%, rgba(255, 106, 43, .22));
}

.page-news .news-banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-news .news-banner__cap {
  position: absolute;
  left: 13px;
  bottom: 13px;
  padding: 6px 13px;
  border-radius: var(--yh-pill);
  background: rgba(7, 19, 43, .76);
  border: 1px solid rgba(182, 255, 59, .4);
  color: var(--yh-lime);
  font-family: var(--yh-font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
}

/* ---------- 布局骨架 ---------- */
.page-news .news-layout {
  margin-top: clamp(36px, 6vw, 76px);
  display: grid;
  gap: var(--news-gap);
}

.page-news .news-rail {
  border: 1px solid var(--yh-line);
  border-radius: var(--yh-radius);
  background: linear-gradient(165deg, rgba(27, 47, 90, .62), rgba(13, 30, 63, .42));
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  padding: 14px;
}

.page-news .news-rail__title {
  margin: 0 0 10px;
  font-family: var(--yh-font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--yh-mist);
}

.page-news .news-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 2px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

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

.page-news .news-rail__item {
  flex: 0 0 auto;
}

.page-news .news-rail__link {
  display: block;
  padding: 8px 14px;
  border-radius: var(--yh-pill);
  border: 1px solid var(--yh-line-soft);
  color: var(--yh-mist);
  font-size: 13.5px;
  text-decoration: none;
  white-space: nowrap;
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}

.page-news .news-rail__link:hover,
.page-news .news-rail__link:focus-visible,
.page-news .news-rail__link[aria-current="true"] {
  color: var(--yh-ice);
  border-color: rgba(255, 106, 43, .58);
  background: rgba(255, 106, 43, .14);
}

.page-news .news-rail__note {
  display: none;
}

/* ---------- 章节 ---------- */
.page-news .news-sec + .news-sec {
  margin-top: clamp(46px, 7vw, 96px);
}

.page-news .news-sec__title {
  margin: 10px 0 0;
  font-family: var(--yh-font-editorial);
  font-weight: 700;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.3;
  letter-spacing: -.01em;
}

.page-news .news-sec__lede {
  margin: 12px 0 0;
  max-width: 60ch;
  color: var(--yh-mist);
  font-size: 15px;
  line-height: 1.76;
}

.page-news .news-sec__foot {
  margin-top: clamp(18px, 3vw, 26px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  font-size: 14px;
  color: var(--yh-mist);
}

/* ---------- 列表条目 ---------- */
.page-news .news-list {
  margin: clamp(22px, 3.5vw, 34px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--yh-line-soft);
}

.page-news .news-item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  padding: 20px 0;
  border-bottom: 1px solid var(--yh-line-soft);
}

.page-news .news-item__no {
  padding-top: 3px;
  font-family: var(--yh-font-mono);
  font-size: 14px;
  color: var(--yh-orange);
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-news .news-item__time {
  font-size: 12px;
  color: var(--yh-mist);
  letter-spacing: .04em;
}

.page-news .news-item__title {
  margin: 10px 0 0;
  font-family: var(--yh-font-editorial);
  font-size: clamp(17.5px, 2.5vw, 22px);
  font-weight: 700;
  line-height: 1.42;
  color: var(--yh-ice);
}

.page-news .news-item__text {
  margin: 8px 0 0;
  color: var(--yh-mist);
  font-size: 14.5px;
  line-height: 1.74;
}

/* ---------- 图文分栏 ---------- */
.page-news .news-split {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
  margin-top: clamp(24px, 4vw, 40px);
}

.page-news .news-split__media {
  margin: 0;
  border-radius: var(--yh-radius);
  border: 1px solid var(--yh-line);
  overflow: hidden;
  background: var(--yh-midnight);
}

.page-news .news-split__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-news .news-split__title {
  margin: 0;
  font-family: var(--yh-font-editorial);
  font-weight: 700;
  font-size: clamp(19px, 2.6vw, 24px);
  line-height: 1.4;
}

.page-news .news-split__text .news-sec__lede:first-of-type {
  margin-top: 14px;
}

.page-news .news-points {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-news .news-points__item {
  position: relative;
  padding-left: 18px;
  color: var(--yh-ink-soft);
  font-size: 14.5px;
  line-height: 1.7;
}

.page-news .news-points__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: .66em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--yh-orange);
  transform: rotate(45deg);
}

.page-news .news-points__item:nth-child(3n+2)::before {
  background: var(--yh-violet);
}

.page-news .news-points__item:nth-child(3n)::before {
  background: var(--yh-lime);
}

/* ---------- 状态带 ---------- */
.page-news .news-band {
  margin-top: clamp(26px, 4vw, 42px);
  display: grid;
  gap: 1px;
  background: var(--yh-line-soft);
  border: 1px solid var(--yh-line);
  border-radius: var(--yh-radius);
  overflow: hidden;
}

.page-news .news-band__item {
  padding: 16px 18px;
  background: linear-gradient(150deg, rgba(27, 47, 90, .82), rgba(7, 19, 43, .92));
}

.page-news .news-band__k {
  display: block;
  font-family: var(--yh-font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--yh-orange);
}

.page-news .news-band__v {
  display: block;
  margin-top: 6px;
  font-size: 15px;
  color: var(--yh-ice);
}

/* ---------- 教程步骤 ---------- */
.page-news .news-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-news .news-step {
  position: relative;
  padding: 18px 18px 18px 22px;
  border-radius: var(--yh-radius-sm);
  border: 1px solid var(--yh-line);
  background: linear-gradient(150deg, rgba(27, 47, 90, .52), rgba(13, 30, 63, .3));
}

.page-news .news-step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--yh-orange);
}

.page-news .news-step:nth-child(2)::before {
  background: var(--yh-violet);
}

.page-news .news-step:nth-child(3)::before {
  background: var(--yh-lime);
}

.page-news .news-step__no {
  font-family: var(--yh-font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--yh-mist);
}

.page-news .news-step__title {
  margin: 8px 0 0;
  font-family: var(--yh-font-editorial);
  font-weight: 700;
  font-size: 17.5px;
  line-height: 1.45;
}

.page-news .news-step__text {
  margin: 8px 0 0;
  color: var(--yh-mist);
  font-size: 14px;
  line-height: 1.74;
}

/* ---------- 专题卡片 ---------- */
.page-news .news-feature-grid {
  margin-top: clamp(22px, 3.5vw, 34px);
  display: grid;
  gap: 16px;
}

.page-news .news-feature {
  display: flex;
  flex-direction: column;
  border-radius: var(--yh-radius);
  border: 1px solid var(--yh-line);
  background: linear-gradient(158deg, rgba(27, 47, 90, .58), rgba(7, 19, 43, .7));
  overflow: hidden;
}

.page-news .news-feature__media {
  margin: 0;
}

.page-news .news-feature__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

.page-news .news-feature__body {
  padding: 18px 20px 22px;
}

.page-news .news-feature__tag {
  display: inline-block;
  font-family: var(--yh-font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--yh-violet);
}

.page-news .news-feature__title {
  margin: 9px 0 0;
  font-family: var(--yh-font-editorial);
  font-weight: 700;
  font-size: clamp(17.5px, 2.4vw, 21px);
  line-height: 1.42;
}

.page-news .news-feature__text {
  margin: 9px 0 0;
  color: var(--yh-mist);
  font-size: 14px;
  line-height: 1.74;
}

/* ---------- 分类归档 ---------- */
.page-news .news-archive {
  margin-top: clamp(22px, 3.5vw, 34px);
  display: grid;
  gap: 12px;
}

.page-news .news-archive__group {
  padding: 16px 18px;
  border-radius: var(--yh-radius-sm);
  border: 1px solid var(--yh-line-soft);
  background: rgba(13, 30, 63, .5);
}

.page-news .news-archive__label {
  margin: 0;
  font-family: var(--yh-font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--yh-orange);
}

.page-news .news-archive__tags {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .news-tag {
  display: inline-block;
  padding: 5px 12px;
  border-radius: var(--yh-pill);
  border: 1px solid var(--yh-line);
  color: var(--yh-mist);
  font-size: 13px;
  text-decoration: none;
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}

.page-news .news-tag:hover,
.page-news .news-tag:focus-visible {
  color: var(--yh-ice);
  border-color: rgba(123, 92, 255, .7);
  background: rgba(123, 92, 255, .18);
}

/* ---------- 结尾入口 ---------- */
.page-news .news-cta {
  margin-top: clamp(48px, 7vw, 96px);
  padding: clamp(24px, 4vw, 40px);
  border-radius: var(--yh-radius);
  border: 1px solid var(--yh-line);
  background:
    radial-gradient(70% 120% at 8% 0%, rgba(123, 92, 255, .3), transparent 62%),
    radial-gradient(58% 110% at 96% 100%, rgba(255, 106, 43, .26), transparent 60%),
    linear-gradient(160deg, rgba(27, 47, 90, .72), rgba(7, 19, 43, .92));
}

.page-news .news-cta__title {
  margin: 0;
  font-family: var(--yh-font-editorial);
  font-weight: 700;
  font-size: clamp(21px, 3vw, 28px);
  line-height: 1.36;
}

.page-news .news-cta__grid {
  margin-top: 18px;
  display: grid;
  gap: 12px;
}

.page-news .news-cta__card {
  display: block;
  padding: 16px 18px;
  border-radius: var(--yh-radius-sm);
  border: 1px solid var(--yh-line);
  background: rgba(7, 19, 43, .55);
  color: var(--yh-ink-soft);
  font-size: 14.5px;
  line-height: 1.66;
  text-decoration: none;
  transition: border-color .2s ease, background .2s ease;
}

.page-news .news-cta__card b {
  display: block;
  margin-bottom: 8px;
  font-family: var(--yh-font-mono);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--yh-lime);
}

.page-news .news-cta__card:hover,
.page-news .news-cta__card:focus-visible {
  border-color: rgba(255, 106, 43, .6);
  background: rgba(255, 106, 43, .1);
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-news .news-item {
    grid-template-columns: 68px minmax(0, 1fr);
    gap: 22px;
    padding: 26px 0;
  }

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

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

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

@media (min-width: 820px) {
  .page-news .news-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-news .news-split--flip .news-split__media {
    order: 2;
  }

  .page-news .news-feature-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-news .news-feature {
    grid-column: span 3;
  }

  .page-news .news-feature--lead {
    grid-column: span 6;
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-news .news-feature--lead .news-feature__media img {
    aspect-ratio: 12 / 7;
    height: 100%;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-news .news-layout {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-rail {
    position: sticky;
    top: 100px;
    padding: 20px 18px;
  }

  .page-news .news-rail__list {
    flex-direction: column;
    gap: 4px;
    overflow: visible;
  }

  .page-news .news-rail__item {
    flex: none;
  }

  .page-news .news-rail__link {
    border-radius: 10px;
    border-color: transparent;
    border-left: 2px solid transparent;
    white-space: normal;
    line-height: 1.5;
  }

  .page-news .news-rail__note {
    display: block;
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px solid var(--yh-line-soft);
  }

  .page-news .news-rail__note p {
    margin: 0;
    color: var(--yh-mist);
    font-size: 13px;
    line-height: 1.72;
  }

  .page-news .news-banner img {
    aspect-ratio: 2 / 1;
  }
}

@media (min-width: 1180px) {
  .page-news .news-archive {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-hero__tag,
  .page-news .news-rail__link,
  .page-news .news-tag,
  .page-news .news-cta__card {
    transition: none;
  }
}
<<<END>>>