.page-news {
  --pn-rail: 250px;
  --pn-gap: clamp(16px, 3vw, 32px);
  background: var(--ink);
  color: var(--white);
  padding-bottom: clamp(56px, 8vw, 104px);
  font-family: var(--font-body);
}

.page-news .breadcrumb {
  margin: 0 0 clamp(16px, 2.4vw, 24px);
}

/* ---------- 首屏 ---------- */
.page-news .page-news__hero {
  position: relative;
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(24px, 4vw, 48px) var(--gutter) clamp(28px, 5vw, 52px);
  overflow: hidden;
}

.page-news .page-news__hero::after {
  content: "";
  position: absolute;
  top: -18%;
  right: 0;
  width: min(520px, 68vw);
  height: min(520px, 68vw);
  background: radial-gradient(circle, rgba(47, 230, 200, 0.14), transparent 68%);
  pointer-events: none;
  z-index: 0;
}

.page-news .page-news__hero > * {
  position: relative;
  z-index: 1;
}

.page-news .page-news__title {
  margin: clamp(14px, 2vw, 22px) 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(38px, 9vw, 92px);
  line-height: 0.96;
  letter-spacing: -0.02em;
  color: var(--white);
  max-width: 20ch;
}

.page-news .page-news__lede {
  max-width: 58ch;
  margin: clamp(16px, 2.4vw, 26px) 0 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--mist);
}

.page-news .page-news__hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-news .page-news__hero-stats li {
  background: var(--ink-2);
  padding: 16px 18px;
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-news .page-news__stat-num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 4vw, 34px);
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -0.02em;
}

.page-news .page-news__stat-label {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--silver);
}

/* ---------- 索引栏 + 置顶专题 ---------- */
.page-news .page-news__index {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  gap: clamp(22px, 3vw, 34px);
}

.page-news .page-news__rail {
  border-top: 2px solid var(--orange);
  padding-top: 14px;
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-news .page-news__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .page-news__pill {
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1;
  padding: 10px 15px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--mist);
  cursor: pointer;
  transition: background 200ms var(--ease), color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-news .page-news__pill:hover {
  border-color: var(--cyan);
  color: var(--white);
}

.page-news .page-news__pill[aria-pressed="true"] {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--ink);
  font-weight: 600;
}

.page-news .page-news__rail-note {
  margin: 0;
  padding-left: 12px;
  border-left: 1px solid var(--line-strong);
  font-size: 13px;
  line-height: 1.72;
  color: var(--silver);
}

.page-news .page-news__feature {
  position: relative;
  background: linear-gradient(180deg, var(--ink-2), var(--ink-3));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-news .page-news__feature-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  background: var(--orange);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
}

.page-news .page-news__feature-media {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--ink);
  overflow: hidden;
}

.page-news .page-news__feature-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .page-news__feature-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(47, 230, 200, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47, 230, 200, 0.08) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.page-news .page-news__feature-body {
  padding: clamp(20px, 3vw, 34px);
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-news .page-news__feature-meta {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--silver);
}

.page-news .page-news__feature-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-news .page-news__feature-body p {
  margin: 0;
  font-size: clamp(14px, 1.5vw, 15.5px);
  line-height: 1.8;
  color: var(--mist);
}

.page-news .page-news__feature-body .btn {
  justify-self: start;
  margin-top: 6px;
}

/* ---------- 条目列表 ---------- */
.page-news .page-news__stream {
  max-width: var(--shell);
  margin: clamp(44px, 7vw, 84px) auto 0;
  padding: 0 var(--gutter);
}

.page-news .page-news__stream-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-news .page-news__stream-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 4.6vw, 48px);
  line-height: 1.06;
  letter-spacing: -0.015em;
  color: var(--white);
}

.page-news .page-news__stream-lede {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.76;
  color: var(--silver);
}

.page-news .page-news__entries {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
}

.page-news .page-news__entry {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px 14px;
  padding: clamp(18px, 3vw, 26px) 0;
  border-bottom: 1px solid var(--line);
  transition: background 200ms var(--ease);
}

.page-news .page-news__entry:hover {
  background: rgba(255, 255, 255, 0.03);
}

.page-news .page-news__entry-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--orange);
  padding-top: 6px;
}

.page-news .page-news__entry-main {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.page-news .page-news__entry-meta {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.03em;
  color: var(--silver);
}

.page-news .page-news__entry-cat {
  padding: 3px 9px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(47, 230, 200, 0.36);
  color: var(--cyan);
  font-size: 11px;
  line-height: 1.4;
}

.page-news .page-news__entry-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(18px, 2.4vw, 24px);
  line-height: 1.3;
  color: var(--white);
}

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

.page-news .page-news__more-trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  list-style: none;
  cursor: pointer;
  padding: 4px 0;
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--amber);
}

.page-news .page-news__more-trigger::-webkit-details-marker {
  display: none;
}

.page-news .page-news__more-trigger::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--orange);
}

.page-news .page-news__more[open] .page-news__more-trigger::after {
  content: "−";
}

.page-news .page-news__more-panel {
  margin: 8px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--orange);
  max-width: 68ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .page-news__entry--figure {
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-news .page-news__entry-figure {
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--ink-3);
  border: 1px solid var(--line);
}

.page-news .page-news__entry-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-news .page-news__entry-figure figcaption {
  padding: 10px 14px 12px;
  background: var(--ink-3);
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--silver);
}

/* ---------- 专家专栏（浅色档案夹区） ---------- */
.page-news .page-news__columns {
  margin-top: clamp(48px, 8vw, 96px);
  background: var(--white);
  color: var(--graphite);
  border-radius: clamp(28px, 4vw, 44px) clamp(28px, 4vw, 44px) 0 0;
  padding: clamp(36px, 6vw, 76px) 0 clamp(40px, 6vw, 80px);
}

.page-news .page-news__columns-inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.page-news .page-news__columns-head {
  display: grid;
  gap: 12px;
  max-width: 720px;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-news .page-news__columns-head .eyebrow {
  color: var(--orange);
}

.page-news .page-news__columns-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 4.4vw, 46px);
  line-height: 1.06;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-news .page-news__columns-head p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-news .page-news__columns-grid {
  display: grid;
  gap: clamp(22px, 3.5vw, 40px);
}

.page-news .page-news__columns-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--mist);
}

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

.page-news .page-news__folders {
  display: grid;
  gap: 14px;
}

.page-news .page-news__folder {
  position: relative;
  background: #ffffff;
  border: 1px solid rgba(51, 68, 63, 0.14);
  border-radius: var(--radius-md);
  padding: 20px;
  display: grid;
  gap: 9px;
  transition: border-color 200ms var(--ease), transform 200ms var(--ease);
}

.page-news .page-news__folder::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 24px;
  width: 52px;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: var(--orange);
}

.page-news .page-news__folder:hover {
  border-color: rgba(47, 230, 200, 0.85);
  transform: translateY(-2px);
}

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

.page-news .page-news__folder-index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--white);
  background: var(--ink-2);
  border-radius: var(--radius-pill);
  padding: 4px 10px;
}

.page-news .page-news__folder-role {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.2;
  color: var(--ink);
}

.page-news .page-news__folder p {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--graphite);
}

.page-news .page-news__folder-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 2px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .page-news__folder-tags li {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--graphite);
  background: var(--mist);
  border-radius: var(--radius-pill);
  padding: 4px 10px;
}

.page-news .page-news__columns-foot {
  margin-top: clamp(20px, 3vw, 32px);
  padding-top: 18px;
  border-top: 1px solid rgba(51, 68, 63, 0.16);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--graphite);
}

.page-news .page-news__columns-foot p {
  margin: 0;
  flex: 1 1 320px;
}

/* ---------- 关注与订阅 ---------- */
.page-news .page-news__follow {
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(44px, 7vw, 84px) var(--gutter) 0;
}

.page-news .page-news__follow-grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-news .page-news__follow h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 4.4vw, 46px);
  line-height: 1.06;
  letter-spacing: -0.015em;
  color: var(--white);
}

.page-news .page-news__follow-copy > p {
  margin: 14px 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .page-news__steps {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-news .page-news__steps li {
  background: var(--ink-2);
  padding: 14px 16px;
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 12px;
  font-size: 14px;
  line-height: 1.74;
  color: var(--mist);
}

.page-news .page-news__steps li span:first-child {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--orange);
  padding-top: 4px;
}

.page-news .page-news__follow-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-news .page-news__follow-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--silver);
}

.page-news .page-news__follow-side {
  display: grid;
  gap: clamp(16px, 2.5vw, 24px);
  align-content: start;
}

.page-news .page-news__follow-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-2);
}

.page-news .page-news__follow-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-news .page-news__follow-figure figcaption {
  padding: 10px 14px 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--silver);
}

.page-news .page-news__bookmark {
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 16px 18px;
}

.page-news .page-news__bookmark summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--amber);
}

.page-news .page-news__bookmark summary::-webkit-details-marker {
  display: none;
}

.page-news .page-news__bookmark summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--orange);
}

.page-news .page-news__bookmark[open] summary::after {
  content: "−";
}

.page-news .page-news__bookmark-body {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 10px;
  font-size: 13.5px;
  line-height: 1.76;
  color: var(--mist);
}

.page-news .page-news__bookmark-rows {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-news .page-news__bookmark-rows li {
  padding: 8px 11px;
  border-radius: 8px;
  border-left: 2px solid var(--cyan);
  background: rgba(47, 230, 200, 0.07);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
}

.page-news .page-news__bookmark-body p {
  margin: 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-news .page-news__entry {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 0 22px;
  }

  .page-news .page-news__entry--figure {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-news .page-news__columns-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-news .page-news__follow-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-news .page-news__index {
    grid-template-columns: var(--pn-rail) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .page-news .page-news__rail {
    position: sticky;
    top: 104px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .page-news__folder:hover {
    transform: none;
  }

  .page-news .page-news__pill,
  .page-news .page-news__entry,
  .page-news .page-news__folder {
    transition: none;
  }
}
<<<END>>>