.page-news {
  --news-gap: clamp(28px, 4vw, 48px);
  --news-card-pad: clamp(16px, 2.4vw, 24px);
  background: var(--ink-deep);
  color: var(--paper);
  padding-bottom: clamp(48px, 8vw, 96px);
  overflow-x: hidden;
}

.page-news .crumbs {
  padding-top: 18px;
  font-family: var(--font-mono);
  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: border-color 160ms var(--ease), color 160ms var(--ease);
}

.page-news .crumbs a:hover,
.page-news .crumbs a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--line-strong);
}

.page-news .crumbs span[aria-current="page"] {
  color: var(--paper);
}

/* 首屏 */
.page-news .news-hero {
  position: relative;
  padding: clamp(20px, 3vw, 32px) 0 clamp(28px, 5vw, 48px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 84% -20%, rgba(58, 209, 196, 0.16), transparent 62%),
    radial-gradient(90% 80% at 4% -10%, rgba(226, 102, 46, 0.13), transparent 64%);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--cyan) 0 25%,
    var(--orange) 0 50%,
    var(--moss) 0 75%,
    var(--clay) 0 100%
  );
  opacity: 0.8;
}

.page-news .news-hero__inner {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  align-items: end;
}

.page-news .news-hero__text h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 6.4vw, 66px);
  line-height: 1.02;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .news-hero__lead {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
}

.page-news .news-hero__meta {
  display: grid;
  gap: 12px;
  margin: 0;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
}

.page-news .news-hero__meta dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-news .news-hero__meta dd {
  margin: 2px 0 0;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  color: var(--cyan);
}

/* 主体栅格 */
.page-news .news-body {
  display: grid;
  gap: var(--news-gap);
  padding-top: var(--news-gap);
}

.page-news .news-aside {
  display: grid;
  gap: 22px;
  align-content: start;
}

.page-news .news-aside__block {
  border-left: 2px solid var(--line);
  padding-left: 14px;
}

.page-news .news-aside__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--paper);
}

.page-news .news-aside__list,
.page-news .news-aside__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: 14px;
  color: var(--mist);
}

.page-news .news-aside__list li {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  border-bottom: 1px solid var(--line-soft);
  padding-bottom: 8px;
}

.page-news .news-aside__num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--paper);
}

.page-news .news-aside__hint {
  margin: 12px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .news-aside__links a {
  color: var(--paper);
  text-decoration: none;
  font-size: 14px;
  border-bottom: 1px solid transparent;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-news .news-aside__links a:hover,
.page-news .news-aside__links a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--line-strong);
}

.page-news .news-flow {
  display: grid;
  gap: var(--news-gap);
  min-width: 0;
}

/* 区块标题 */
.page-news .section-title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.14;
  color: var(--paper);
}

.page-news .section-note {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* 四条内容线 */
.page-news .news-lines__grid {
  display: grid;
  gap: 22px;
  margin-top: 22px;
}

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

.page-news .news-line {
  display: grid;
  grid-template-columns: 6px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
  transition: background-color 160ms var(--ease);
}

.page-news .news-line--cyan { --line-c: var(--cyan); }
.page-news .news-line--orange { --line-c: var(--orange); }
.page-news .news-line--moss { --line-c: var(--moss); }
.page-news .news-line--clay { --line-c: var(--clay); }

.page-news .news-line__bar {
  align-self: stretch;
  min-height: 42px;
  background: var(--line-c, var(--cyan));
  border-radius: 1px;
}

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

.page-news .news-line__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-news .news-line__desc {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .news-line__meta {
  grid-column: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  margin-top: 10px;
}

.page-news .news-line__freq {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
  border: 1px solid var(--line);
  padding: 3px 8px;
}

.page-news .news-line__count {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--line-c, var(--cyan));
}

.page-news .news-lines__figure {
  margin: 0;
  border: 1px solid var(--line-soft);
  background: var(--glass);
  padding: 10px;
}

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

.page-news .news-lines__figure figcaption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* 精选长文 */
.page-news .news-feature {
  margin-top: 22px;
  border: 1px solid var(--line);
  background: var(--ink-cloud);
  overflow: hidden;
}

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

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

.page-news .news-feature__body {
  position: relative;
  padding: var(--news-card-pad);
  background: var(--ink-cloud);
  border-left: 4px solid var(--orange);
}

.page-news .news-feature__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
}

.page-news .news-stamp {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--mist);
}

.page-news .news-feature__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.2;
  color: var(--paper);
}

.page-news .news-feature__lead {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .news-angles {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .news-angles li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}

.page-news .news-angles__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--orange);
  letter-spacing: 0.04em;
}

.page-news .news-angles h4 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-news .news-angles p {
  margin: 5px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

.page-news .news-feature__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* 最新条目 */
.page-news .news-list {
  margin: 20px 0 0;
  padding: 0;
}

.page-news .news-item {
  position: relative;
  padding: 18px 0 18px 14px;
  border-bottom: 1px solid var(--line-soft);
  transition: background-color 160ms var(--ease);
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 20px;
  width: 3px;
  background: var(--item-c, var(--cyan));
}

.page-news .news-item--cyan { --item-c: var(--cyan); }
.page-news .news-item--orange { --item-c: var(--orange); }
.page-news .news-item--moss { --item-c: var(--moss); }
.page-news .news-item--clay { --item-c: var(--clay); }

.page-news .news-item:hover {
  background: rgba(28, 39, 51, 0.5);
}

.page-news .news-item dt {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
}

.page-news .news-item__title {
  font-family: var(--font-display);
  font-size: clamp(17px, 2.2vw, 21px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--paper);
}

.page-news .news-item dd {
  margin: 8px 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
}

.page-news .news-item__desc {
  flex: 1 1 240px;
  min-width: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .news-item__stamp {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--paper);
  white-space: nowrap;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}

.page-news .news-item__thumb {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  margin-top: 8px;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--line-soft);
}

/* 专题系列 */
.page-news .news-series__track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(220px, 80%);
  gap: 14px;
  margin-top: 20px;
  padding-bottom: 10px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-series__card {
  --card-c: var(--cyan);
  scroll-snap-align: start;
  display: grid;
  gap: 8px;
  align-content: start;
  padding: var(--news-card-pad);
  background: var(--glass);
  border: 1px solid var(--line);
  border-top: 3px solid var(--card-c);
  transition: transform 200ms var(--ease), border-color 200ms var(--ease), background-color 200ms var(--ease);
}

.page-news .news-series__card--cyan { --card-c: var(--cyan); }
.page-news .news-series__card--orange { --card-c: var(--orange); }
.page-news .news-series__card--clay { --card-c: var(--clay); }

.page-news .news-series__card:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  background: var(--glass-hover);
}

.page-news .news-series__cover {
  margin: 0 0 4px;
}

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

.page-news .news-series__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--card-c);
}

.page-news .news-series__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--paper);
}

.page-news .news-series__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .news-series__count {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--paper);
  border-top: 1px solid var(--line-soft);
  padding-top: 8px;
}

.page-news .news-series__live {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--charcoal);
  background: var(--card-c);
  padding: 3px 8px;
  justify-self: start;
}

/* 编辑与校验 */
.page-news .news-editorial {
  border-top: 1px solid var(--line);
  padding-top: clamp(22px, 3.4vw, 34px);
}

.page-news .news-editorial__grid {
  display: grid;
  gap: 24px;
  margin-top: 20px;
}

.page-news .news-editorial__text p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 60ch;
}

.page-news .news-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .news-steps li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  padding: 14px;
  background: var(--glass);
  border: 1px solid var(--line-soft);
}

.page-news .news-steps__num {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  color: var(--cyan);
  line-height: 1.2;
}

.page-news .news-steps h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-news .news-steps p {
  margin: 5px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* 订阅与回看 */
.page-news .news-sub {
  display: grid;
  gap: 22px;
  padding: clamp(20px, 3.4vw, 34px);
  background: var(--paper);
  color: var(--charcoal);
  border-left: 4px solid var(--cyan);
}

.page-news .news-sub .kicker {
  color: var(--charcoal);
}

.page-news .news-sub .section-title {
  color: var(--charcoal);
}

.page-news .news-sub__lead {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: #2c3a44;
  max-width: 56ch;
}

.page-news .news-sub__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.page-news .news-sub__side {
  border-top: 1px solid rgba(16, 23, 30, 0.16);
  padding-top: 14px;
  font-size: 14px;
  line-height: 1.75;
  color: #2c3a44;
}

.page-news .news-sub__side-title {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clay);
}

.page-news .news-sub__side a {
  color: var(--charcoal);
  text-decoration: none;
  border-bottom: 1px solid var(--clay);
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-news .news-sub__side a:hover,
.page-news .news-sub__side a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* 焦点反馈 */
.page-news a:focus-visible,
.page-news .news-item:focus-within {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* 中等屏 */
@media (min-width: 620px) {
  .page-news .news-hero__meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .news-series__track {
    grid-auto-columns: minmax(240px, 46%);
  }
}

@media (min-width: 760px) {
  .page-news .news-feature__body {
    margin-top: -64px;
    width: calc(100% - 40px);
    border-top: 1px solid var(--line);
  }

  .page-news .news-lines__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 280px);
    align-items: start;
  }

  .page-news .news-line {
    grid-template-columns: 6px minmax(0, 1fr) auto;
  }

  .page-news .news-line__meta {
    grid-column: 3;
    grid-row: 1;
    flex-direction: column;
    align-items: flex-end;
    text-align: right;
    margin-top: 2px;
  }

  .page-news .news-item--lead dd {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 190px;
    grid-template-areas:
      "desc thumb"
      "stamp thumb";
    gap: 8px 20px;
    align-items: start;
  }

  .page-news .news-item--lead .news-item__desc { grid-area: desc; }
  .page-news .news-item--lead .news-item__stamp { grid-area: stamp; justify-self: end; }
  .page-news .news-item--lead .news-item__thumb {
    grid-area: thumb;
    margin-top: 0;
    align-self: start;
  }

  .page-news .news-series__track {
    grid-auto-flow: row;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-auto-columns: auto;
    overflow: visible;
    gap: 16px;
  }

  .page-news .news-editorial__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 32px;
  }

  .page-news .news-sub {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: start;
    gap: 32px;
  }

  .page-news .news-sub__side {
    border-top: 0;
    border-left: 1px solid rgba(16, 23, 30, 0.16);
    padding-top: 0;
    padding-left: 20px;
  }
}

/* 桌面：3 / 9 分栏 + 侧栏吸附 */
@media (min-width: 1000px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 1fr) 220px;
    gap: 40px;
  }

  .page-news .news-hero__meta {
    grid-template-columns: 1fr;
    border-top: 0;
    padding-top: 0;
    border-left: 1px solid var(--line);
    padding-left: 20px;
  }

  .page-news .news-body {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    gap: clamp(32px, 4vw, 56px);
    align-items: start;
  }

  .page-news .news-aside {
    position: sticky;
    top: calc(var(--head-h) + 24px);
  }

  .page-news .news-lines__grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-series__card,
  .page-news .news-item,
  .page-news .news-line,
  .page-news .news-aside__links a {
    transition: none;
  }

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