.page-news {
  --news-cat-observe: var(--orange);
  --news-cat-product: var(--acid);
  --news-cat-resource: var(--orange-300);
  --news-cat-notice: var(--blue-500);
  --news-meta-col: 132px;
  background: var(--paper);
  color: var(--blue-900);
}

/* ---------- 深色开场 ---------- */
.page-news .news-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--header-h) + clamp(24px, 4vw, 44px)) 0 clamp(40px, 6vw, 76px);
  color: var(--paper);
  background:
    radial-gradient(115% 85% at 90% -15%, rgba(255, 90, 31, 0.42), transparent 62%),
    linear-gradient(168deg, var(--blue-700) 0%, var(--blue-900) 64%);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.5;
  background-image: repeating-linear-gradient(90deg, rgba(244, 246, 250, 0.05) 0 1px, transparent 1px 4px);
  pointer-events: none;
}

.page-news .news-hero .breadcrumb__link,
.page-news .news-hero .breadcrumb__sep,
.page-news .news-hero .breadcrumb__current {
  color: rgba(244, 246, 250, 0.68);
}

.page-news .news-hero .breadcrumb__link:hover {
  color: var(--acid);
}

.page-news .news-hero__inner {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(20px, 3vw, 36px);
}

.page-news .news-hero__eyebrow {
  color: var(--orange-300);
}

.page-news .news-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6vw, 58px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  max-width: 18ch;
}

.page-news .news-hero__text {
  margin: 18px 0 0;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(244, 246, 250, 0.82);
}

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

.page-news .news-hero__panel {
  padding: 18px 20px;
  border: 1px solid rgba(220, 227, 238, 0.24);
  border-top: 3px solid var(--orange);
  background: rgba(8, 21, 43, 0.46);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-news .news-hero__panel-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--orange-300);
}

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

.page-news .news-hero__panel-item {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 4px 12px;
  padding: 9px 0;
  border-bottom: 1px dashed rgba(220, 227, 238, 0.2);
}

.page-news .news-hero__panel-item:last-child {
  border-bottom: 0;
}

.page-news .news-hero__k {
  font-size: 14px;
  color: rgba(244, 246, 250, 0.9);
}

.page-news .news-hero__v {
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(244, 246, 250, 0.6);
}

/* ---------- 章节头 ---------- */
.page-news .news-headlines__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-news .news-headlines__no {
  color: var(--orange);
  font-size: clamp(34px, 7vw, 64px);
  line-height: 0.9;
  flex: 0 0 auto;
}

.page-news .news-headlines__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 3.2vw, 32px);
  line-height: 1.24;
  letter-spacing: -0.02em;
}

/* ---------- 头条 ---------- */
.page-news .news-headlines {
  padding: clamp(44px, 7vw, 88px) 0 clamp(36px, 5vw, 64px);
  background: var(--paper);
}

.page-news .news-headlines__grid {
  display: grid;
  gap: 20px;
}

.page-news .news-lead {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 20px;
  background: var(--blue-900);
  color: var(--paper);
  border: 1px solid var(--blue-500);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-news .news-lead:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 34px -22px rgba(8, 21, 43, 0.75);
}

.page-news .news-lead__media {
  position: relative;
  overflow: hidden;
}

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

.page-news .news-lead--wide .news-lead__media img {
  aspect-ratio: 3 / 2;
}

.page-news .news-lead__badge {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 6px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--blue-900);
  background: var(--acid);
}

.page-news .news-lead__body {
  display: grid;
  gap: 8px;
}

.page-news .news-lead__time {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange-300);
}

.page-news .news-lead__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 2.4vw, 27px);
  line-height: 1.28;
  letter-spacing: -0.02em;
}

.page-news .news-lead__digest {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(244, 246, 250, 0.76);
}

.page-news .news-lead__link {
  margin-top: 4px;
  align-self: flex-start;
  font-size: 14px;
  color: var(--acid);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 255, 61, 0.45);
  padding-bottom: 2px;
}

.page-news .news-lead__link:hover {
  border-bottom-color: var(--acid);
}

.page-news .news-lead__media--inline img {
  aspect-ratio: 12 / 7;
}

.page-news .news-lead--slim {
  justify-content: center;
  background: linear-gradient(158deg, var(--blue-700), var(--blue-900) 78%);
  border-color: rgba(255, 143, 92, 0.5);
}

/* ---------- 筛选与列表 ---------- */
.page-news .news-archive {
  padding: clamp(16px, 3vw, 28px) 0 clamp(48px, 7vw, 88px);
}

.page-news .news-filter__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-news .news-filter__sticky {
  position: sticky;
  top: var(--header-h);
  z-index: 6;
  padding: 10px 0;
  margin-bottom: 4px;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.page-news .news-filter__bar {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-news .news-filter__tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--blue-900);
  background: #ffffff;
  border: 1px solid var(--line);
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), box-shadow 0.2s var(--ease);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}

.page-news .news-filter__count {
  font-size: 11px;
  color: var(--ink-soft);
}

.page-news .news-filter__tab:hover {
  border-color: var(--orange-300);
}

.page-news #cat-all:checked ~ .news-filter__sticky .news-filter__tab[for="cat-all"],
.page-news #cat-observe:checked ~ .news-filter__sticky .news-filter__tab[for="cat-observe"],
.page-news #cat-product:checked ~ .news-filter__sticky .news-filter__tab[for="cat-product"],
.page-news #cat-resource:checked ~ .news-filter__sticky .news-filter__tab[for="cat-resource"],
.page-news #cat-notice:checked ~ .news-filter__sticky .news-filter__tab[for="cat-notice"] {
  background: var(--blue-900);
  color: var(--paper);
  border-color: var(--blue-900);
  box-shadow: inset 0 -3px 0 var(--acid);
}

.page-news #cat-all:checked ~ .news-filter__sticky .news-filter__tab[for="cat-all"] .news-filter__count,
.page-news #cat-observe:checked ~ .news-filter__sticky .news-filter__tab[for="cat-observe"] .news-filter__count,
.page-news #cat-product:checked ~ .news-filter__sticky .news-filter__tab[for="cat-product"] .news-filter__count,
.page-news #cat-resource:checked ~ .news-filter__sticky .news-filter__tab[for="cat-resource"] .news-filter__count,
.page-news #cat-notice:checked ~ .news-filter__sticky .news-filter__tab[for="cat-notice"] .news-filter__count {
  color: var(--acid);
}

.page-news #cat-observe:checked ~ .news-list .news-item:not([data-cat="observe"]),
.page-news #cat-product:checked ~ .news-list .news-item:not([data-cat="product"]),
.page-news #cat-resource:checked ~ .news-list .news-item:not([data-cat="resource"]),
.page-news #cat-notice:checked ~ .news-list .news-item:not([data-cat="notice"]) {
  display: none;
}

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

.page-news .news-item {
  border-bottom: 1px solid var(--line);
}

.page-news .news-item__summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 26px;
  grid-template-areas:
    "meta arrow"
    "head head";
  gap: 8px 12px;
  padding: 18px 10px 18px 8px;
  list-style: none;
  cursor: pointer;
  transition: transform 0.24s var(--ease), background 0.24s var(--ease);
}

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

.page-news .news-item__summary:hover {
  transform: translateX(4px);
  background: linear-gradient(90deg, var(--mist), rgba(255, 226, 211, 0));
}

.page-news .news-item__meta {
  grid-area: meta;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-news .news-item__time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

.page-news .news-item__tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--blue-900);
}

.page-news .news-item__tag::before {
  content: "";
  width: 9px;
  height: 9px;
  background: var(--news-cat-observe);
}

.page-news .news-item__tag--product::before {
  background: var(--news-cat-product);
  box-shadow: inset 0 0 0 1px rgba(14, 42, 31, 0.55);
}

.page-news .news-item__tag--resource::before {
  background: var(--news-cat-resource);
}

.page-news .news-item__tag--notice::before {
  background: var(--news-cat-notice);
}

.page-news .news-item__head {
  grid-area: head;
  display: grid;
  gap: 5px;
}

.page-news .news-item__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 17px;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.page-news .news-item__digest {
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-soft);
}

.page-news .news-item__arrow {
  grid-area: arrow;
  justify-self: end;
  align-self: start;
  position: relative;
  width: 22px;
  height: 22px;
  border: 1px solid var(--line);
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-news .news-item__arrow::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 7px;
  height: 7px;
  border-top: 1.6px solid var(--orange);
  border-right: 1.6px solid var(--orange);
  transform: translate(-60%, -50%) rotate(45deg);
}

.page-news .news-item__summary:hover .news-item__arrow,
.page-news .news-item__panel[open] .news-item__arrow {
  opacity: 1;
  border-color: var(--orange-300);
}

.page-news .news-item__body {
  padding: 0 12px 20px 8px;
}

.page-news .news-item__body p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--blue-700);
  max-width: 68ch;
}

.page-news .news-item__more {
  display: inline-block;
  font-size: 14px;
  color: var(--blue-900);
  text-decoration: none;
  border-bottom: 2px solid var(--acid);
  padding-bottom: 2px;
}

.page-news .news-item__more:hover {
  border-bottom-color: var(--orange);
}

/* ---------- 专题系列 ---------- */
.page-news .news-series {
  padding: clamp(44px, 7vw, 84px) 0;
  background: linear-gradient(180deg, var(--paper) 0%, var(--mist) 100%);
}

.page-news .news-series__layout {
  display: grid;
  gap: 22px;
}

.page-news .news-series__visual {
  position: relative;
}

.page-news .news-series__visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 1 / 1;
  border: 1px solid rgba(8, 21, 43, 0.12);
  box-shadow: 10px 10px 0 rgba(255, 143, 92, 0.4);
}

.page-news .news-series__caption {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

.page-news .news-series__track {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 8px;
}

.page-news .news-series__track:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 4px;
}

.page-news .news-series__card {
  flex: 0 0 min(300px, 84vw);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 4px solid var(--orange);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-news .news-series__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-news .news-series__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 21px;
  letter-spacing: -0.02em;
}

.page-news .news-series__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--blue-700);
}

.page-news .news-series__meta {
  margin: auto 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
}

/* ---------- 更新节奏 ---------- */
.page-news .news-cadence {
  padding: clamp(44px, 7vw, 88px) 0;
  background:
    radial-gradient(90% 70% at 8% 0%, rgba(27, 62, 107, 0.9), transparent 60%),
    var(--blue-900);
  color: var(--paper);
}

.page-news .news-cadence__head .news-headlines__title {
  color: var(--paper);
}

.page-news .news-cadence__layout {
  display: grid;
  gap: 26px;
}

.page-news .news-cadence__rows {
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(220, 227, 238, 0.22);
}

.page-news .news-cadence__row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(220, 227, 238, 0.22);
}

.page-news .news-cadence__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--acid);
}

.page-news .news-cadence__v {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(244, 246, 250, 0.84);
}

.page-news .news-cadence__visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 2;
  border: 1px solid rgba(220, 227, 238, 0.24);
}

.page-news .news-cadence__note {
  margin: 14px 0 16px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(244, 246, 250, 0.72);
}

/* ---------- 订阅与回看 ---------- */
.page-news .news-follow {
  padding: clamp(44px, 7vw, 88px) 0 clamp(52px, 8vw, 96px);
  background: var(--paper);
}

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

.page-news .news-follow__step {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 20px 20px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-top: 3px solid var(--blue-900);
  transition: border-color 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-news .news-follow__step:hover {
  transform: translateY(-3px);
  border-top-color: var(--orange);
}

.page-news .news-follow__num {
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1;
  color: var(--orange);
}

.page-news .news-follow__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
  letter-spacing: -0.01em;
}

.page-news .news-follow__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--blue-700);
}

.page-news .news-follow__link {
  margin-top: auto;
  align-self: flex-start;
  font-size: 14px;
  color: var(--blue-900);
  text-decoration: none;
  border-bottom: 2px solid var(--acid);
  padding-bottom: 2px;
}

.page-news .news-follow__link:hover {
  border-bottom-color: var(--orange);
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

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

  .page-news .news-lead--wide {
    grid-column: span 2;
  }

  .page-news .news-lead--mid {
    grid-column: span 1;
    margin-top: 34px;
  }

  .page-news .news-lead--slim {
    grid-column: span 1;
    margin-top: 72px;
  }

  .page-news .news-item__summary {
    grid-template-columns: var(--news-meta-col) minmax(0, 1fr) 26px;
    grid-template-areas: "meta head arrow";
    align-items: start;
    padding: 22px 12px 22px 14px;
  }

  .page-news .news-item__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .page-news .news-item__body {
    padding-left: calc(var(--news-meta-col) + 14px);
  }

  .page-news .news-item__arrow {
    align-self: center;
  }

  .page-news .news-cadence__row {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

  .page-news .news-follow__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-news .news-headlines__grid {
    grid-template-columns: 5fr 4fr 3fr;
    gap: 24px;
  }

  .page-news .news-lead--wide,
  .page-news .news-lead--mid,
  .page-news .news-lead--slim {
    grid-column: auto;
  }

  .page-news .news-lead--mid {
    margin-top: 48px;
  }

  .page-news .news-lead--slim {
    margin-top: 104px;
  }

  .page-news .news-series__layout {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 32px;
    align-items: start;
  }

  .page-news .news-series__track {
    flex-wrap: nowrap;
  }

  .page-news .news-cadence__layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 40px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-lead,
  .page-news .news-item__summary,
  .page-news .news-follow__step {
    transition: none;
  }

  .page-news .news-lead:hover,
  .page-news .news-item__summary:hover,
  .page-news .news-follow__step:hover {
    transform: none;
  }
}
<<<END>>>