.page-news {
  --pn-line: rgba(199, 215, 227, .14);
  --pn-gap: clamp(18px, 3vw, 34px);
  --pn-card: linear-gradient(158deg, rgba(18, 59, 87, .62), rgba(7, 30, 48, .55));
  padding-block: clamp(22px, 4vw, 44px) clamp(44px, 7vw, 92px);
}

.page-news a:focus-visible,
.page-news button:focus-visible,
.page-news summary:focus-visible {
  outline: 2px solid var(--cyan-500);
  outline-offset: 3px;
  border-radius: 8px;
}

.page-news .pn-head {
  max-width: 66rem;
  margin-top: clamp(14px, 2vw, 22px);
}

.page-news .pn-title {
  margin: .55rem 0 0;
  font-size: clamp(1.85rem, 5vw, 3rem);
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--snow-50);
}

.page-news .pn-lede {
  margin: 1rem 0 0;
  max-width: 62ch;
  color: var(--fog-400);
  font-size: clamp(.98rem, 1.4vw, 1.06rem);
  line-height: 1.85;
}

.page-news .pn-head__meta {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1.3rem;
}

.page-news .pn-stamp {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .05em;
  color: var(--cyan-300);
  border: 1px solid var(--ink-700);
  border-radius: 999px;
  padding: .34rem .72rem;
  background: rgba(56, 224, 208, .06);
}

.page-news .pn-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pn-gap);
  margin-top: clamp(26px, 4vw, 44px);
}

.page-news .pn-stream {
  min-width: 0;
}

/* 期号轨道：窄屏收起，桌面端吸附在左侧 */
.page-news .pn-rail {
  display: none;
}

.page-news .pn-rail__head {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--fog-400);
}

.page-news .pn-rail__list {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0 0 0 1.15rem;
  position: relative;
  display: grid;
  gap: .95rem;
}

.page-news .pn-rail__list::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan-500), var(--ink-700) 70%, transparent);
}

.page-news .pn-rail__item {
  position: relative;
}

.page-news .pn-rail__item::before {
  content: "";
  position: absolute;
  left: -1.15rem;
  top: .5em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  border: 1px solid var(--ink-700);
  background: var(--ink-950);
}

.page-news .pn-rail__item[data-state="active"]::before {
  background: var(--amber-500);
  border-color: var(--amber-500);
  box-shadow: 0 0 0 4px rgba(255, 178, 74, .14);
}

.page-news .pn-rail__num {
  display: block;
  font-family: var(--font-mono);
  font-size: .92rem;
  letter-spacing: -.01em;
  color: var(--snow-50);
}

.page-news .pn-rail__note {
  display: block;
  margin: .15rem 0 0;
  font-size: .76rem;
  line-height: 1.6;
  color: var(--fog-400);
}

.page-news .pn-rail .pn-rail__note {
  margin-top: 1.4rem;
  padding-top: 1rem;
  border-top: 1px solid var(--pn-line);
}

/* 本期头条 */
.page-news .pn-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border: 1px solid var(--ink-700);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(150deg, var(--ink-800), var(--ink-950) 68%);
  box-shadow: var(--shadow-panel);
}

.page-news .pn-hero__media {
  position: relative;
  min-height: 190px;
}

.page-news .pn-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(4, 19, 31, .1), rgba(4, 19, 31, .7));
  pointer-events: none;
}

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

.page-news .pn-hero__body {
  padding: clamp(20px, 3.2vw, 40px);
  min-width: 0;
}

.page-news .pn-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  align-items: center;
}

.page-news .pn-hero__title {
  margin: .9rem 0 0;
  font-size: clamp(1.32rem, 2.7vw, 1.95rem);
  line-height: 1.28;
  letter-spacing: -.015em;
  color: var(--snow-50);
}

.page-news .pn-hero__sum {
  margin: .85rem 0 0;
  font-size: .95rem;
  line-height: 1.82;
  color: var(--fog-400);
  max-width: 60ch;
}

.page-news .pn-hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .65rem;
  margin-top: 1.35rem;
}

/* 分类筛选：可横向滑动的锚点条 */
.page-news .pn-filter {
  display: flex;
  gap: .4rem;
  margin-top: var(--pn-gap);
  padding: .48rem;
  overflow-x: auto;
  border: 1px solid var(--ink-700);
  border-radius: 999px;
  background: rgba(11, 42, 66, .62);
  scrollbar-width: thin;
}

.page-news .pn-filter a {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .48rem .82rem;
  border-radius: 999px;
  border: 1px solid transparent;
  color: var(--ice-200);
  font-size: .84rem;
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--dur) ease, color var(--dur) ease, transform var(--dur) ease;
}

.page-news .pn-filter a:hover {
  background: var(--cyan-500);
  color: var(--ink-950);
  transform: translateY(-2px);
}

.page-news .pn-count {
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--amber-300);
}

.page-news .pn-filter a:hover .pn-count {
  color: var(--ink-950);
}

/* 日志分区 */
.page-news .pn-block {
  margin-top: clamp(32px, 5vw, 58px);
}

.page-news .pn-block__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: .4rem 1rem;
  padding-bottom: .85rem;
  border-bottom: 1px solid var(--pn-line);
}

.page-news .pn-block__title {
  margin: 0;
  font-size: clamp(1.14rem, 2.2vw, 1.5rem);
  letter-spacing: -.01em;
  color: var(--snow-50);
}

.page-news .pn-block__note {
  margin: 0;
  font-size: .8rem;
  line-height: 1.7;
  color: var(--fog-400);
}

.page-news .pn-block__note--after {
  margin-top: 1rem;
  padding-left: .95rem;
  border-left: 2px solid var(--ink-700);
}

.page-news .pn-figure {
  margin: 1.1rem 0 .4rem;
  border: 1px solid var(--ink-700);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--ink-900);
}

.page-news .pn-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 220px;
  object-fit: cover;
}

.page-news .pn-figure__cap {
  padding: .7rem .9rem;
  font-size: .78rem;
  line-height: 1.65;
  color: var(--fog-400);
  border-top: 1px solid var(--pn-line);
}

.page-news .pn-log {
  list-style: none;
  margin: .5rem 0 0;
  padding: 0;
}

.page-news .pn-entry {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .5rem;
  padding: 1.15rem 0 1.15rem 1.4rem;
  border-bottom: 1px solid var(--pn-line);
}

.page-news .pn-entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--pn-line);
}

.page-news .pn-entry::after {
  content: "";
  position: absolute;
  left: -3px;
  top: 1.55rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ink-950);
  border: 1px solid var(--cyan-500);
}

.page-news .pn-entry__issue {
  display: flex;
  align-items: baseline;
  gap: .55rem;
}

.page-news .pn-entry__issue .pn-rail__num {
  font-size: .95rem;
  color: var(--cyan-300);
}

.page-news .pn-entry__when {
  font-size: .74rem;
  color: var(--fog-400);
}

.page-news .pn-entry__title {
  margin: 0;
  font-size: clamp(1rem, 1.9vw, 1.12rem);
  line-height: 1.45;
  letter-spacing: -.005em;
  color: var(--snow-50);
}

.page-news .pn-entry__sum {
  margin: .45rem 0 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--fog-400);
  max-width: 68ch;
}

.page-news .pn-entry__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem .75rem;
  margin-top: .7rem;
}

.page-news .pn-tag {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .05em;
  padding: .18rem .6rem;
  border-radius: 999px;
  border: 1px solid var(--ink-700);
  color: var(--fog-400);
  white-space: nowrap;
}

.page-news .pn-tag--collect {
  color: var(--cyan-300);
  border-color: rgba(56, 224, 208, .4);
  background: rgba(56, 224, 208, .08);
}

.page-news .pn-tag--version {
  color: var(--amber-300);
  border-color: rgba(255, 178, 74, .42);
  background: rgba(255, 178, 74, .1);
}

.page-news .pn-link {
  font-size: .82rem;
  color: var(--cyan-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(140, 245, 234, .34);
  padding-bottom: 1px;
}

.page-news .pn-link:hover {
  color: var(--snow-50);
  border-bottom-color: var(--snow-50);
}

.page-news .pn-copy {
  font-size: .74rem;
  padding: .22rem .6rem;
  border-radius: 999px;
  border: 1px solid var(--ink-700);
  background: transparent;
  color: var(--fog-400);
  cursor: pointer;
  transition: color var(--dur) ease, border-color var(--dur) ease;
}

.page-news .pn-copy:hover {
  color: var(--amber-300);
  border-color: rgba(255, 178, 74, .5);
}

.page-news .pn-more {
  margin-top: .6rem;
}

.page-news .pn-more summary {
  cursor: pointer;
  font-size: .82rem;
  color: var(--cyan-300);
  width: fit-content;
}

.page-news .pn-more p {
  margin: .5rem 0 0;
  padding-left: .85rem;
  border-left: 2px solid var(--ink-700);
  font-size: .85rem;
  line-height: 1.8;
  color: var(--fog-400);
  max-width: 64ch;
}

/* 适配批次表 */
.page-news .pn-table {
  margin-top: 1.1rem;
  border: 1px solid var(--ink-700);
  border-radius: var(--radius-md);
  overflow-x: auto;
  background: var(--ink-900);
}

.page-news .data-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: .86rem;
}

.page-news .data-table th,
.page-news .data-table td {
  padding: .8rem .9rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--pn-line);
  line-height: 1.65;
}

.page-news .data-table thead th {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--fog-400);
  background: rgba(18, 59, 87, .5);
  white-space: nowrap;
}

.page-news .data-table tbody td {
  color: var(--ice-200);
}

.page-news .data-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-news .data-table tbody tr:hover td {
  background: rgba(56, 224, 208, .05);
}

.page-news .pn-batch {
  font-family: var(--font-mono);
  color: var(--amber-300) !important;
  white-space: nowrap;
}

/* 帮助文档更新 */
.page-news .pn-docs {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .8rem;
}

.page-news .pn-doc {
  padding: 1rem 1.1rem;
  border: 1px solid var(--ink-700);
  border-radius: var(--radius-md);
  background: var(--pn-card);
  min-width: 0;
}

.page-news .pn-doc__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .12em;
  color: var(--amber-300);
}

.page-news .pn-doc__title {
  margin: .45rem 0 0;
  font-size: 1rem;
  line-height: 1.45;
  color: var(--snow-50);
}

.page-news .pn-doc__text {
  margin: .45rem 0 0;
  font-size: .86rem;
  line-height: 1.78;
  color: var(--fog-400);
}

/* 专题系列 */
.page-news .pn-series .tabs {
  margin-top: 1.1rem;
}

.page-news .pn-series .tablist {
  display: flex;
  gap: .4rem;
  overflow-x: auto;
  padding-bottom: .5rem;
  scrollbar-width: thin;
}

.page-news .pn-series .tab {
  flex: 0 0 auto;
  padding: .52rem .9rem;
  border-radius: 999px;
  border: 1px solid var(--ink-700);
  background: transparent;
  color: var(--ice-200);
  font-family: inherit;
  font-size: .84rem;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--dur) ease, color var(--dur) ease, border-color var(--dur) ease;
}

.page-news .pn-series .tab:hover {
  border-color: var(--cyan-500);
  color: var(--cyan-300);
}

.page-news .pn-series .tab[aria-selected="true"] {
  background: var(--amber-500);
  border-color: var(--amber-500);
  color: var(--ink-950);
  font-weight: 700;
}

.page-news .pn-series .tabpanel {
  padding: 1.1rem 1.15rem;
  margin-top: .7rem;
  border: 1px solid var(--ink-700);
  border-radius: var(--radius-md);
  background: rgba(11, 42, 66, .55);
}

.page-news .pn-series__title {
  margin: 0;
  font-size: 1.02rem;
  color: var(--snow-50);
}

.page-news .pn-series__text {
  margin: .5rem 0 .8rem;
  font-size: .89rem;
  line-height: 1.82;
  color: var(--fog-400);
  max-width: 66ch;
}

/* 继续阅读 */
.page-news .pn-next {
  margin-top: clamp(32px, 5vw, 58px);
  padding: clamp(20px, 3.4vw, 34px);
  border: 1px solid var(--ink-700);
  border-radius: var(--radius-lg);
  background: linear-gradient(118deg, var(--ink-800), var(--ink-900) 72%);
}

.page-news .pn-next__title {
  margin: 0;
  font-size: clamp(1.1rem, 2.2vw, 1.4rem);
  color: var(--snow-50);
}

.page-news .pn-next__text {
  margin: .65rem 0 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--fog-400);
  max-width: 62ch;
}

.page-news .pn-next__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .7rem;
  margin-top: 1.2rem;
}

.page-news .pn-next__link {
  display: block;
  padding: .9rem 1rem;
  border: 1px solid var(--ink-700);
  border-radius: var(--radius-md);
  text-decoration: none;
  background: rgba(4, 19, 31, .45);
  transition: transform var(--dur) ease, border-color var(--dur) ease;
}

.page-news .pn-next__link:hover {
  transform: translateY(-3px);
  border-color: var(--cyan-500);
}

.page-news .pn-next__label {
  display: block;
  font-size: .95rem;
  font-weight: 700;
  color: var(--cyan-300);
}

.page-news .pn-next__desc {
  display: block;
  margin-top: .3rem;
  font-size: .82rem;
  line-height: 1.7;
  color: var(--fog-400);
}

.page-news .pn-top {
  margin: clamp(26px, 4vw, 40px) 0 0;
  text-align: right;
}

.page-news .pn-top a {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--fog-400);
  text-decoration: none;
  border: 1px solid var(--ink-700);
  border-radius: 999px;
  padding: .45rem .85rem;
  display: inline-block;
}

.page-news .pn-top a:hover {
  color: var(--amber-300);
  border-color: rgba(255, 178, 74, .5);
}

@media (min-width: 640px) {
  .page-news .pn-entry {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: .35rem 1.1rem;
    padding-left: 1.5rem;
  }

  .page-news .pn-entry__issue {
    flex-direction: column;
    gap: .2rem;
    padding-top: .1rem;
  }

  .page-news .pn-figure img {
    max-height: 260px;
  }

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

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

@media (min-width: 760px) {
  .page-news .pn-hero {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    align-items: stretch;
  }

  .page-news .pn-hero__media {
    order: 2;
    min-height: 100%;
    clip-path: polygon(9% 0, 100% 0, 100% 100%, 0 100%);
  }

  .page-news .pn-hero__media::after {
    background: linear-gradient(90deg, rgba(4, 19, 31, .78), rgba(4, 19, 31, .05) 55%);
  }

  .page-news .pn-hero__body {
    order: 1;
  }
}

@media (min-width: 900px) {
  .page-news .pn-layout {
    grid-template-columns: 196px minmax(0, 1fr);
    gap: clamp(24px, 3.2vw, 46px);
    align-items: start;
  }

  .page-news .pn-rail {
    display: block;
    position: sticky;
    top: 32px;
  }

  .page-news .pn-filter {
    position: sticky;
    top: 12px;
    z-index: 2;
    backdrop-filter: blur(8px);
  }
}
<<<END>>>