.page-news {
  --pn-light-line: rgba(56, 242, 210, 0.24);
  --pn-dark-line: rgba(7, 26, 47, 0.16);
  --pn-ink-soft: rgba(7, 26, 47, 0.78);
  --pn-mist-soft: rgba(234, 246, 245, 0.76);
  background: var(--db-space);
  color: var(--db-mist);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-news .pn-hero {
  position: relative;
  padding: 28px 0 48px;
  background:
    radial-gradient(130% 100% at 88% -10%, rgba(56, 242, 210, 0.14), transparent 62%),
    radial-gradient(90% 80% at 0% 100%, rgba(255, 181, 71, 0.07), transparent 60%),
    var(--db-space);
  border-bottom: 1px solid var(--pn-light-line);
}

.page-news .pn-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(56, 242, 210, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(56, 242, 210, 0.07) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: linear-gradient(to bottom, #000, transparent 88%);
  mask-image: linear-gradient(to bottom, #000, transparent 88%);
}

.page-news .pn-hero__inner {
  position: relative;
  display: grid;
  gap: 34px;
}

.page-news .pn-hero__copy .db-crumbs {
  font-family: var(--db-f-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--db-slate);
}

.page-news .pn-hero__copy .db-crumbs a {
  color: var(--db-cyan);
  text-decoration: none;
}

.page-news .pn-hero__copy .db-crumbs a:hover,
.page-news .pn-hero__copy .db-crumbs a:focus-visible {
  text-decoration: underline;
}

.page-news .pn-hero__copy .db-eyebrow {
  margin-top: 18px;
}

.page-news .pn-hero__title {
  margin: 14px 0 0;
  font-family: var(--db-f-display);
  font-weight: 900;
  font-size: clamp(28px, 7.4vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--db-mist);
}

.page-news .pn-hero__lead {
  margin: 18px 0 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(234, 246, 245, 0.84);
}

.page-news .pn-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 30px;
  margin: 26px 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px dashed var(--pn-light-line);
}

.page-news .pn-meta li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-news .pn-meta__num {
  font-family: var(--db-f-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--db-amber);
}

.page-news .pn-meta__label {
  font-size: 13px;
  color: var(--db-slate);
}

.page-news .pn-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-news .pn-hero__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--pn-light-line);
  background: var(--db-teal);
  box-shadow: 10px 10px 0 var(--db-ink);
}

.page-news .pn-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-news .pn-hero__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 6px 12px;
  font-family: var(--db-f-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--db-space);
  background: var(--db-cyan);
}

.page-news .pn-hero__tag {
  position: absolute;
  top: 10px;
  right: -1px;
  padding: 8px 4px;
  writing-mode: vertical-rl;
  font-family: var(--db-f-mono);
  font-size: 10px;
  letter-spacing: 0.32em;
  color: var(--db-space);
  background: var(--db-amber);
}

/* ---------- 精选专题 ---------- */
.page-news .pn-feature {
  position: relative;
  padding: 44px 0 52px;
  background: linear-gradient(180deg, var(--db-teal), #08222a);
  border-bottom: 1px solid var(--pn-light-line);
}

.page-news .pn-feature__title {
  margin: 12px 0 0;
  font-size: clamp(22px, 4.4vw, 32px);
  line-height: 1.3;
  color: var(--db-mist);
}

.page-news .pn-feature__lead {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(234, 246, 245, 0.74);
}

.page-news .pn-feature__grid {
  display: grid;
  gap: 22px;
  margin-top: 30px;
}

.page-news .pn-paper {
  position: relative;
  padding: 20px 18px 22px;
  background: rgba(234, 246, 245, 0.04);
  border: 1px solid var(--pn-light-line);
  box-shadow: 6px 6px 0 rgba(3, 11, 20, 0.55);
}

.page-news .pn-paper::after {
  content: "";
  position: absolute;
  inset: 8px -8px -8px 8px;
  border: 1px solid rgba(56, 242, 210, 0.14);
  pointer-events: none;
}

.page-news .pn-paper__tag {
  display: inline-block;
  padding: 4px 10px;
  font-family: var(--db-f-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--db-space);
  background: var(--db-amber);
}

.page-news .pn-paper__title {
  margin: 14px 0 0;
  font-size: 18px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--db-mist);
}

.page-news .pn-paper__fig {
  margin: 14px 0 0;
  border: 1px solid rgba(56, 242, 210, 0.2);
}

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

.page-news .pn-paper__text {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(234, 246, 245, 0.78);
}

/* ---------- 折叠面板（深底） ---------- */
.page-news .pn-acc {
  margin-top: 14px;
}

.page-news .pn-acc .db-acc__btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  min-height: 44px;
  padding: 6px 12px;
  font-family: var(--db-f-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--db-cyan);
  background: rgba(56, 242, 210, 0.08);
  border: 1px solid rgba(56, 242, 210, 0.28);
  cursor: pointer;
}

.page-news .pn-acc .db-acc__btn:hover,
.page-news .pn-acc .db-acc__btn:focus-visible {
  background: rgba(56, 242, 210, 0.16);
}

.page-news .pn-acc .db-acc__panel {
  padding: 12px 12px 4px;
  border: 1px solid rgba(56, 242, 210, 0.2);
  border-top: 0;
}

.page-news .pn-points {
  margin: 0;
  padding-left: 18px;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(234, 246, 245, 0.8);
}

.page-news .pn-points li + li {
  margin-top: 8px;
}

/* ---------- 笔记列表区 ---------- */
.page-news .pn-log {
  position: relative;
  padding: 44px 0 52px;
  background: var(--db-mist);
  color: var(--db-space);
}

.page-news .pn-log::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(7, 26, 47, 0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(7, 26, 47, 0.045) 1px, transparent 1px);
  background-size: 40px 40px;
}

.page-news .pn-log__inner {
  position: relative;
  display: grid;
  gap: 30px;
}

.page-news .pn-toc {
  padding: 16px;
  background: #fff;
  border: 1px solid rgba(7, 26, 47, 0.18);
  box-shadow: 5px 5px 0 rgba(7, 26, 47, 0.12);
}

.page-news .pn-toc__title {
  margin: 0 0 12px;
  font-family: var(--db-f-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--db-teal);
}

.page-news .pn-toc__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .pn-toc__list li + li {
  margin-top: 2px;
}

.page-news .pn-toc__list a {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 40px;
  padding: 2px 4px;
  font-size: 14px;
  color: var(--db-space);
  text-decoration: none;
  border-bottom: 1px solid rgba(7, 26, 47, 0.1);
}

.page-news .pn-toc__list a:hover,
.page-news .pn-toc__list a:focus-visible {
  color: #0b6f61;
  background: rgba(255, 181, 71, 0.16);
}

.page-news .pn-toc__idx {
  font-family: var(--db-f-mono);
  font-size: 11px;
  color: #8a9aab;
}

.page-news .pn-toc__fig {
  margin: 16px 0 0;
  border: 1px solid rgba(7, 26, 47, 0.16);
}

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

.page-news .pn-log__head .db-eyebrow,
.page-news .pn-log__head .db-eyebrow {
  color: var(--db-teal);
}

.page-news .pn-log__title {
  margin: 0;
  font-family: var(--db-f-display);
  font-weight: 900;
  font-size: clamp(22px, 4.6vw, 34px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--db-space);
}

.page-news .pn-log__intro {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pn-ink-soft);
}

.page-news .pn-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px dashed rgba(7, 26, 47, 0.22);
}

.page-news .pn-chip {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  font-family: var(--db-f-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--db-space);
  text-decoration: none;
  background: rgba(7, 26, 47, 0.04);
  border: 1px solid rgba(7, 26, 47, 0.24);
  border-radius: 2px;
}

.page-news .pn-chip:hover,
.page-news .pn-chip:focus-visible {
  border-color: var(--db-amber);
  background: rgba(255, 181, 71, 0.2);
}

.page-news .pn-sec {
  scroll-margin-top: 96px;
  margin-top: 34px;
}

.page-news .pn-sec__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--db-space);
}

.page-news .pn-sec__idx {
  font-family: var(--db-f-mono);
  font-size: 12px;
  font-weight: 700;
  color: #0b6f61;
}

.page-news .pn-sec__title {
  margin: 0;
  font-family: var(--db-f-display);
  font-size: 19px;
  font-weight: 900;
  letter-spacing: 0.01em;
  color: var(--db-space);
}

.page-news .pn-sec__fig {
  margin: 16px 0 4px;
  background: var(--db-indigo);
  border: 1px solid rgba(7, 26, 47, 0.2);
}

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

.page-news .pn-sec__fig figcaption {
  padding: 8px 12px;
  font-family: var(--db-f-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: rgba(234, 246, 245, 0.82);
}

.page-news .pn-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .pn-item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 12px;
  padding: 20px 0 18px;
  border-bottom: 1px solid var(--pn-dark-line);
}

.page-news .pn-item__no {
  font-family: var(--db-f-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #9aa9b8;
}

.page-news .pn-item__time {
  margin: 0;
  font-family: var(--db-f-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: #0b6f61;
}

.page-news .pn-item__title {
  margin: 6px 0 0;
  font-size: 17px;
  line-height: 1.45;
  font-weight: 700;
  color: var(--db-space);
}

.page-news .pn-item__text {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--pn-ink-soft);
}

/* ---------- 订阅更新 ---------- */
.page-news .pn-sub {
  position: relative;
  padding: 44px 0 48px;
  background:
    radial-gradient(90% 100% at 90% 0%, rgba(56, 242, 210, 0.14), transparent 60%),
    var(--db-indigo);
  border-top: 1px solid var(--pn-light-line);
  border-bottom: 1px solid var(--pn-light-line);
}

.page-news .pn-sub__inner {
  display: grid;
  gap: 24px;
}

.page-news .pn-sub__title {
  margin: 12px 0 0;
  font-size: clamp(22px, 4.4vw, 30px);
  line-height: 1.3;
  color: var(--db-mist);
}

.page-news .pn-sub__text {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(234, 246, 245, 0.8);
}

.page-news .pn-sub__list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px dashed rgba(56, 242, 210, 0.28);
}

.page-news .pn-sub__list li {
  padding: 12px 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(234, 246, 245, 0.78);
  border-bottom: 1px solid rgba(56, 242, 210, 0.14);
}

.page-news .pn-sub__list strong {
  color: var(--db-amber);
  font-weight: 700;
}

.page-news .pn-sub__copy .db-btn {
  margin-top: 22px;
}

.page-news .pn-sub__aside {
  padding: 18px;
  background: rgba(56, 242, 210, 0.07);
  border: 1px solid rgba(56, 242, 210, 0.3);
}

.page-news .pn-sub__aside-title {
  margin: 0;
  font-family: var(--db-f-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--db-magenta);
}

.page-news .pn-sub__aside-text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(234, 246, 245, 0.84);
}

.page-news .pn-sub__link {
  display: inline-block;
  margin-top: 14px;
  min-height: 44px;
  padding: 12px 0 0;
  font-size: 14px;
  color: var(--db-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 242, 210, 0.5);
}

.page-news .pn-sub__link:hover,
.page-news .pn-sub__link:focus-visible {
  color: var(--db-amber);
  border-bottom-color: var(--db-amber);
}

/* ---------- 内容合作 ---------- */
.page-news .pn-coop {
  position: relative;
  padding: 46px 0 56px;
  background:
    linear-gradient(to right, rgba(56, 242, 210, 0.06) 1px, transparent 1px) 0 0 / 56px 56px,
    var(--db-space);
}

.page-news .pn-coop__inner {
  display: grid;
  gap: 28px;
}

.page-news .pn-coop__title {
  margin: 12px 0 0;
  font-size: clamp(22px, 4.4vw, 30px);
  line-height: 1.3;
  color: var(--db-mist);
}

.page-news .pn-coop__text {
  margin: 14px 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(234, 246, 245, 0.78);
}

.page-news .pn-coop__copy .db-btn {
  margin-top: 22px;
}

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

.page-news .pn-coop__list li {
  padding: 16px 16px 18px;
  background: rgba(234, 246, 245, 0.04);
  border: 1px solid var(--pn-light-line);
  border-left: 3px solid var(--db-cyan);
}

.page-news .pn-coop__no {
  display: block;
  font-family: var(--db-f-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--db-slate);
}

.page-news .pn-coop__list strong {
  display: block;
  margin-top: 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--db-mist);
}

.page-news .pn-coop__list p {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: rgba(234, 246, 245, 0.72);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-news .pn-hero {
    padding: 40px 0 60px;
  }

  .page-news .pn-item {
    grid-template-columns: 60px 1fr;
    gap: 20px;
    padding: 22px 0 20px;
  }

  .page-news .pn-item__title {
    font-size: 18px;
  }

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

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

  .page-news .pn-paper--lead {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 24px;
    align-content: start;
  }

  .page-news .pn-paper--lead .pn-paper__tag,
  .page-news .pn-paper--lead .pn-paper__title {
    grid-column: 1;
  }

  .page-news .pn-paper--lead .pn-paper__fig {
    grid-column: 2;
    grid-row: 1 / span 3;
    margin-top: 0;
  }

  .page-news .pn-paper--lead .pn-paper__text,
  .page-news .pn-paper--lead .pn-acc {
    grid-column: 1;
  }
}

@media (min-width: 960px) {
  .page-news .pn-hero {
    padding: 52px 0 76px;
  }

  .page-news .pn-hero__inner {
    grid-template-columns: 5fr 7fr;
    align-items: center;
    gap: 56px;
  }

  .page-news .pn-hero__figure {
    transform: rotate(-0.7deg);
  }

  .page-news .pn-feature {
    padding: 60px 0 68px;
  }

  .page-news .pn-feature__grid {
    grid-template-columns: 1.3fr 1fr 1fr;
    gap: 24px;
  }

  .page-news .pn-paper--lead {
    grid-column: auto;
    display: block;
  }

  .page-news .pn-log {
    padding: 64px 0 72px;
  }

  .page-news .pn-log__inner {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-news .pn-aside {
    position: sticky;
    top: 92px;
  }

  .page-news .pn-sub {
    padding: 60px 0 64px;
  }

  .page-news .pn-sub__inner {
    grid-template-columns: 1.6fr 1fr;
    gap: 48px;
    align-items: start;
  }

  .page-news .pn-coop {
    padding: 64px 0 76px;
  }

  .page-news .pn-coop__inner {
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: start;
  }

  .page-news .pn-item__title {
    font-size: 19px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .pn-hero__figure {
    transform: none;
  }
}
<<<END>>>