.page-news {
  --news-rail-w: 238px;
  --news-rule: rgba(198, 255, 0, .22);
  position: relative;
  background:
    radial-gradient(1100px 620px at 10% -6%, rgba(198, 255, 0, .07), transparent 62%),
    radial-gradient(900px 520px at 94% 2%, rgba(77, 208, 225, .08), transparent 60%),
    var(--carbon);
  padding-bottom: clamp(52px, 7vw, 104px);
}

.page-news .breadcrumb {
  padding-top: clamp(16px, 2.4vw, 28px);
}

/* ============ 封面 ============ */
.page-news .news-cover {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4.4vw, 58px) 0 clamp(30px, 4.6vw, 62px);
  border-bottom: 1px solid var(--line);
}

.page-news .news-cover::after {
  content: "";
  position: absolute;
  right: -14%;
  top: -34%;
  width: 58%;
  height: 168%;
  background: linear-gradient(158deg, rgba(198, 255, 0, .12), rgba(77, 208, 225, .06) 52%, transparent 76%);
  clip-path: polygon(30% 0, 100% 0, 74% 100%, 0 100%);
  pointer-events: none;
}

.page-news .news-cover__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 3.6vw, 52px);
}

.page-news .news-cover__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(46px, 12vw, 118px);
  line-height: .92;
  letter-spacing: -.03em;
  color: var(--white);
}

.page-news .news-cover__title::after {
  content: "";
  display: block;
  width: clamp(70px, 14vw, 148px);
  height: 6px;
  margin-top: 16px;
  background: linear-gradient(90deg, var(--lime), rgba(198, 255, 0, 0));
  clip-path: polygon(0 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}

.page-news .news-cover__sub {
  margin: 18px 0 0;
  font-size: clamp(16px, 1.5vw, 20px);
  line-height: 1.6;
  letter-spacing: .02em;
  color: var(--ice);
  max-width: 34ch;
}

.page-news .news-cover__text {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-news .news-cover__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(20px, 2.6vw, 30px);
}

.page-news .news-cover__side {
  align-self: end;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(26, 31, 38, .92), rgba(11, 14, 17, .82));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
  padding: 18px 20px 8px;
}

.page-news .news-cover__side-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.page-news .news-figures {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px 14px;
}

.page-news .news-figure {
  padding: 10px 0 14px;
  border-top: 1px solid rgba(46, 58, 70, .8);
}

.page-news .news-figure__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--lime);
}

.page-news .news-figure__label {
  display: block;
  margin-top: 4px;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--text-dim);
}

/* ============ 布局 ============ */
.page-news .news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 42px);
  padding-top: clamp(26px, 3.6vw, 50px);
}

.page-news .news-body {
  min-width: 0;
}

/* ============ 分类索引 ============ */
.page-news .news-rail {
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
}

.page-news .news-rail__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.page-news .news-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 18px;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-news .news-rail__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 6px 0;
  font-size: 13.5px;
  letter-spacing: .02em;
  color: var(--text-dim);
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color var(--speed) ease, border-color var(--speed) ease;
}

.page-news .news-rail__link .num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ice);
}

.page-news .news-rail__link:hover,
.page-news .news-rail__link:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
  outline: none;
}

/* ============ 章节 ============ */
.page-news .news-chapter {
  padding-top: clamp(30px, 4.6vw, 58px);
}

.page-news .news-chapter:first-child {
  padding-top: 0;
}

.page-news .news-chapter__head {
  padding-bottom: 16px;
  margin-bottom: clamp(18px, 2.6vw, 30px);
  border-bottom: 1px solid var(--line);
  position: relative;
}

.page-news .news-chapter__head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 52px;
  height: 2px;
  background: var(--lime);
}

.page-news .news-chapter__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--lime);
  margin-bottom: 6px;
}

.page-news .news-chapter__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(26px, 4.6vw, 46px);
  line-height: 1.1;
  letter-spacing: -.015em;
  color: var(--white);
}

.page-news .news-chapter__lead {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text-dim);
}

/* ============ 分块 ============ */
.page-news .news-block {
  display: grid;
  gap: clamp(18px, 2.8vw, 32px);
}

.page-news .news-block__body {
  min-width: 0;
}

/* ============ 图片 ============ */
.page-news .news-figure {
  margin: 0 0 clamp(18px, 2.6vw, 28px);
  border: 1px solid var(--line);
  background: var(--panel-deep);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
  overflow: hidden;
}

.page-news .news-block__media {
  margin-bottom: 0;
}

.page-news .news-figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(180px, 32vw, 320px);
  object-fit: cover;
  filter: saturate(.85) contrast(1.05);
}

.page-news .news-figure--wide .news-figure__img {
  height: clamp(190px, 30vw, 340px);
}

.page-news .news-figure__cap {
  padding: 10px 16px 12px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text-faint);
  border-top: 1px solid rgba(46, 58, 70, .7);
}

/* ============ 列表 ============ */
.page-news .news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-news .news-item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 15px 18px 16px;
  background: linear-gradient(180deg, rgba(26, 31, 38, .92), rgba(17, 22, 27, .92));
  border-left: 2px solid var(--line);
  transition: border-color var(--speed) ease, transform var(--speed) ease, background var(--speed) ease;
}

.page-news .news-item:hover {
  border-left-color: var(--lime);
  transform: translateX(3px);
}

.page-news .news-item__title {
  margin: 0;
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: .01em;
  color: var(--white);
}

.page-news .news-item__desc {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-news .news-item__time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--amber);
  white-space: nowrap;
}

.page-news .news-list--tight .news-item {
  padding: 14px 16px 15px;
}

/* ============ 数据摘要 ============ */
.page-news .news-stats {
  margin-bottom: clamp(16px, 2.2vw, 24px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}

.page-news .news-stats .stat__value {
  color: var(--lime);
}

/* ============ 强调面板 ============ */
.page-news .news-callout {
  margin-bottom: clamp(16px, 2.2vw, 24px);
}

.page-news .news-callout .panel__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-news .news-callout .btn {
  margin-top: 14px;
}

/* ============ 时间线 ============ */
.page-news .news-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .news-timeline__item {
  position: relative;
  padding: 0 0 26px 26px;
  border-left: 1px solid var(--line);
}

.page-news .news-timeline__item:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-news .news-timeline__node {
  position: absolute;
  left: -5px;
  top: 7px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(198, 255, 0, .12);
}

.page-news .news-timeline__when {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--ice);
}

.page-news .news-timeline__title {
  margin: 6px 0 0;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--white);
}

.page-news .news-timeline__desc {
  margin: 8px 0 0;
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-dim);
}

/* ============ 专题网格 ============ */
.page-news .news-topics {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
}

.page-news .news-topic {
  position: relative;
  padding: 20px 20px 22px;
  background: linear-gradient(150deg, rgba(26, 31, 38, .95), rgba(11, 14, 17, .9));
  border-top: 1px solid var(--line);
  border-left: 3px solid var(--ice);
  transition: border-left-color var(--speed) ease, background var(--speed) ease;
}

.page-news .news-topic:hover {
  border-left-color: var(--lime);
  background: linear-gradient(150deg, rgba(32, 38, 46, .95), rgba(17, 22, 27, .92));
}

.page-news .news-topic__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--text-faint);
}

.page-news .news-topic__title {
  margin: 10px 0 0;
  font-size: 19px;
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--white);
}

.page-news .news-topic__desc {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-news .news-topic__meta {
  display: inline-block;
  margin-top: 14px;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--lime);
  background: rgba(198, 255, 0, .08);
  border: 1px solid rgba(198, 255, 0, .28);
  clip-path: polygon(0 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
}

/* ============ 收尾 ============ */
.page-news .news-outro {
  padding-top: clamp(34px, 4.6vw, 58px);
}

.page-news .news-outro__panel {
  padding: clamp(22px, 3vw, 34px);
}

.page-news .news-outro__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(22px, 3.4vw, 34px);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-news .news-outro__text {
  margin: 12px 0 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-news .news-outro__links {
  list-style: none;
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ============ 触屏 / 桌面差异 ============ */
@media (hover: hover) and (pointer: fine) {
  .page-news .news-item__desc {
    max-height: 0;
    margin-top: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height .28s ease, opacity .24s ease, margin-top .24s ease;
  }

  .page-news .news-item:hover .news-item__desc,
  .page-news .news-item:focus-within .news-item__desc {
    max-height: 200px;
    margin-top: 8px;
    opacity: 1;
  }

  .page-news .news-list--tight .news-item__desc {
    max-height: none;
    margin-top: 6px;
    opacity: 1;
  }
}

@media (min-width: 760px) {
  .page-news .news-item {
    grid-template-columns: 104px minmax(0, 1fr) auto;
    align-items: start;
    gap: 4px 16px;
  }

  .page-news .news-item__body {
    grid-column: 2 / 3;
  }

  .page-news .news-item__time {
    grid-column: 3 / 4;
    justify-self: end;
    text-align: right;
    padding-top: 4px;
  }

  .page-news .news-item .tag {
    grid-column: 1 / 2;
    justify-self: start;
    margin-top: 3px;
  }

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

@media (min-width: 900px) {
  .page-news .news-cover__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .82fr);
    align-items: end;
  }

  .page-news .news-block {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    align-items: start;
  }

  .page-news .news-block--flip .news-block__media {
    order: 2;
  }

  .page-news .news-block--flip .news-block__body {
    order: 1;
  }
}

@media (min-width: 1000px) {
  .page-news .news-layout {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-rail {
    position: sticky;
    top: 26px;
    border-bottom: 0;
    border-left: 1px solid var(--line);
    padding: 4px 0 0 16px;
  }

  .page-news .news-rail__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
  }

  .page-news .news-rail__link {
    width: 100%;
    padding: 9px 0;
    border-bottom: 1px solid rgba(46, 58, 70, .55);
  }
}

@media (min-width: 1180px) {
  .page-news .news-list--duo {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-news .news-list--duo .news-item__body,
  .page-news .news-list--duo .news-item__time,
  .page-news .news-list--duo .news-item .tag {
    grid-column: 1 / -1;
  }

  .page-news .news-list--duo .news-item__time {
    justify-self: start;
    text-align: left;
    padding-top: 0;
  }

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

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

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