.page-news {
  --news-rule: 1px solid var(--ink-600);
  --news-side: 236px;
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-news img {
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏 ---------- */
.page-news .topics-hero {
  position: relative;
  overflow: hidden;
  border-bottom: var(--news-rule);
  background:
    radial-gradient(110% 80% at 92% 4%, rgba(53, 214, 164, 0.12), transparent 58%),
    linear-gradient(158deg, var(--ink-800) 0%, var(--ink-900) 58%);
}

.page-news .topics-hero::after {
  content: "";
  position: absolute;
  left: -6%;
  right: -6%;
  bottom: -58px;
  height: 140px;
  background: var(--lime-dim);
  transform: skewY(-4deg);
  opacity: 0.55;
  pointer-events: none;
}

.page-news .topics-hero .container {
  position: relative;
  z-index: 1;
  padding-top: clamp(22px, 4vw, 44px);
  padding-bottom: clamp(34px, 6vw, 68px);
}

.page-news .topics-hero__title {
  margin: clamp(14px, 2.4vw, 22px) 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(31px, 6.2vw, 62px);
  line-height: 1.05;
  letter-spacing: -0.01em;
  max-width: 16ch;
}

.page-news .topics-hero__lead {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  max-width: 52ch;
  color: var(--muted);
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.75;
}

.page-news .hero-status {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 18px 0 0;
  border-top: var(--news-rule);
}

.page-news .hero-status__item dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--moss);
}

.page-news .hero-status__item dd {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.5;
  color: var(--paper);
}

.page-news .hero-status__item dd .data-num {
  color: var(--lime);
  font-size: 20px;
}

@media (min-width: 680px) {
  .page-news .hero-status {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px 28px;
  }
}

/* ---------- 置顶专题 ---------- */
.page-news .feature {
  padding: clamp(24px, 4vw, 48px) 0 0;
}

.page-news .feature__card {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: clamp(420px, 58vw, 560px);
  overflow: hidden;
  background: var(--ink-800);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
  transition: transform 0.25s var(--ease);
}

.page-news .feature__card:hover {
  transform: translate(4px, -4px);
}

.page-news .feature__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.72) brightness(0.6) contrast(1.06);
}

.page-news .feature__card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(4, 12, 9, 0.32) 0%, rgba(4, 12, 9, 0.72) 52%, rgba(4, 12, 9, 0.96) 100%);
  pointer-events: none;
}

.page-news .feature__body {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: clamp(20px, 3.4vw, 44px);
}

.page-news .eyebrow--lime {
  color: var(--lime);
}

.page-news .feature__title {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(23px, 3.6vw, 40px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  max-width: 22ch;
}

.page-news .feature__lead {
  margin: clamp(12px, 2vw, 16px) 0 0;
  max-width: 56ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.page-news .feature__points {
  margin: clamp(16px, 2.6vw, 24px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--paper);
}

.page-news .feature__points li {
  position: relative;
  padding-left: 18px;
}

.page-news .feature__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 7px;
  height: 7px;
  background: var(--lime);
  transform: rotate(45deg);
}

.page-news .feature__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(18px, 2.8vw, 26px);
}

/* ---------- 列表骨架 ---------- */
.page-news .topics-main {
  padding: clamp(30px, 5vw, 64px) 0;
}

.page-news .topics-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
}

/* ---------- 左栏 ---------- */
.page-news .rail-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--moss);
}

.page-news .chips {
  list-style: none;
  margin: 0 0 clamp(22px, 3vw, 32px);
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-news .topic-chip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--ink-600);
  background: var(--ink-800);
  color: var(--paper);
  font-size: 14px;
  clip-path: polygon(0 0, calc(100% - 9px) 0, 100% 9px, 100% 100%, 0 100%);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-news .topic-chip:hover {
  border-color: var(--lime);
  color: var(--lime);
}

.page-news .topic-chip.is-active {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink-900);
  font-weight: 700;
}

.page-news .topic-chip__count {
  font-family: var(--font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  opacity: 0.85;
}

.page-news .rail-links {
  list-style: none;
  margin: 0 0 clamp(20px, 3vw, 28px);
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-news .rail-links a {
  display: block;
  padding: 9px 0;
  color: var(--paper);
  text-decoration: none;
  font-size: 14px;
  border-bottom: 1px dashed var(--ink-600);
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-news .rail-links a:hover {
  color: var(--lime);
  padding-left: 6px;
}

.page-news .rail-note {
  margin: 0;
  padding: 12px 12px 12px 14px;
  border-left: 2px solid var(--teal);
  background: var(--ink-800);
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.7;
}

/* ---------- 列表头 ---------- */
.page-news .topics-flow .section-head {
  margin-bottom: clamp(18px, 2.6vw, 26px);
}

.page-news .topics-flow .section-title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(22px, 3.2vw, 34px);
  line-height: 1.18;
  letter-spacing: -0.01em;
}

.page-news .topics-flow .section-lead {
  margin: 10px 0 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.page-news .list-tools {
  margin: 0 0 14px;
}

.page-news .list-tools__input {
  width: 100%;
  padding: 12px 14px;
  background: var(--ink-800);
  border: 1px solid var(--ink-600);
  border-radius: var(--radius);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 14.5px;
  outline-offset: 2px;
  transition: border-color 0.2s var(--ease);
}

.page-news .list-tools__input::placeholder {
  color: var(--moss);
}

.page-news .list-tools__input:focus {
  border-color: var(--lime);
}

/* ---------- 条目 ---------- */
.page-news .topic-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--news-rule);
}

.page-news .entry {
  border-bottom: var(--news-rule);
}

.page-news .entry__head {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  column-gap: 14px;
  row-gap: 8px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-news .entry__index {
  grid-row: 1 / span 3;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--moss);
}

.page-news .entry__meta {
  grid-column: 2;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .entry__time {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-news .entry__arrow {
  margin-left: auto;
  font-size: 15px;
  color: var(--lime);
  opacity: 0;
  transform: translate(-2px, 2px);
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-news .entry__title {
  grid-column: 2;
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(17px, 2.2vw, 21px);
  line-height: 1.35;
  letter-spacing: -0.005em;
}

.page-news .entry__excerpt {
  grid-column: 2;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
  max-width: 56ch;
}

.page-news .entry__thumb {
  display: none;
}

.page-news .entry__body {
  padding: 0 0 20px;
}

.page-news .entry__body ul {
  margin: 0;
  padding: 0 0 0 14px;
  list-style: none;
  display: grid;
  gap: 8px;
  max-width: 64ch;
  border-left: 2px solid var(--ink-600);
}

.page-news .entry__body li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
}

.page-news .entry__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  background: var(--teal);
  transform: rotate(45deg);
}

.page-news .entry[open] .entry__arrow {
  opacity: 1;
  transform: rotate(90deg);
}

@media (hover: hover) {
  .page-news .entry__head:hover .entry__arrow {
    opacity: 1;
    transform: none;
  }
  .page-news .entry[open] .entry__head:hover .entry__arrow {
    transform: rotate(90deg);
  }
}

/* ---------- 列表内嵌图 ---------- */
.page-news .entry-break {
  border-bottom: var(--news-rule);
  padding: 20px 0;
}

.page-news .entry-break figure {
  margin: 0;
}

.page-news .entry-break img {
  display: block;
  width: 100%;
  height: auto;
  filter: saturate(0.78) brightness(0.82);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-news .entry-break figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--moss);
}

/* ---------- 空态 ---------- */
.page-news .topic-empty {
  margin: 18px 0 0;
  padding: 14px 16px;
  border-left: 2px solid var(--orange);
  background: var(--orange-dim);
  color: var(--paper);
  font-size: 14px;
  line-height: 1.65;
}

.page-news .topic-empty a {
  color: var(--lime);
}

/* ---------- 更新节奏 ---------- */
.page-news .cadence {
  padding: clamp(34px, 5vw, 64px) 0;
  border-top: var(--news-rule);
  background: linear-gradient(180deg, var(--ink-900), var(--ink-800));
}

.page-news .cadence .section-title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(22px, 3.2vw, 34px);
  line-height: 1.18;
  letter-spacing: -0.01em;
}

.page-news .cadence .section-lead {
  margin: 10px 0 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.page-news .cadence__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3.4vw, 40px);
  margin-top: clamp(18px, 2.6vw, 28px);
}

.page-news .cadence__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .cadence__list li {
  padding: 13px 15px;
  background: var(--ink-900);
  border-left: 2px solid var(--lime);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--paper);
}

.page-news .cadence__list strong {
  color: var(--lime);
  font-weight: 700;
  margin-right: 4px;
}

.page-news .cadence__note {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
  max-width: 58ch;
}

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

.page-news .cadence__media img {
  display: block;
  width: 100%;
  height: auto;
  filter: saturate(0.8) brightness(0.86);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

/* ---------- 出口 ---------- */
.page-news .routes {
  padding: clamp(32px, 5vw, 60px) 0 clamp(40px, 6vw, 72px);
  border-top: var(--news-rule);
}

.page-news .routes .section-title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(22px, 3.2vw, 34px);
  line-height: 1.18;
  letter-spacing: -0.01em;
}

.page-news .routes .section-lead {
  margin: 10px 0 0;
  max-width: 60ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.page-news .routes__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: clamp(18px, 2.6vw, 28px);
}

.page-news .route {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px;
  background: var(--ink-800);
  border: 1px solid var(--ink-600);
  color: var(--paper);
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-news .route:hover {
  border-color: var(--lime);
  background: var(--ink-700);
  transform: translateY(-3px);
}

.page-news .route__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--moss);
}

.page-news .route__name {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.35;
}

.page-news .route__desc {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--muted);
}

.page-news .route__go {
  margin-top: auto;
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--lime);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .routes__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-news .entry__head {
    grid-template-columns: 40px minmax(0, 1fr) 96px;
  }
  .page-news .entry__meta,
  .page-news .entry__title,
  .page-news .entry__excerpt {
    grid-column: 2;
  }
  .page-news .entry__thumb {
    display: block;
    grid-column: 3;
    grid-row: 1 / span 3;
    width: 96px;
    height: 96px;
    overflow: hidden;
  }
  .page-news .entry__thumb img {
    display: block;
    width: 96px;
    height: 96px;
    object-fit: cover;
    filter: saturate(0.7) brightness(0.82);
  }
  .page-news .entry__body {
    padding-left: 54px;
  }
}

@media (min-width: 900px) {
  .page-news .cadence__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
  }
}

@media (min-width: 980px) {
  .page-news .topics-shell {
    grid-template-columns: var(--news-side) minmax(0, 1fr);
    align-items: start;
    gap: clamp(32px, 5vw, 64px);
  }
  .page-news .topics-rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
}

@media (min-width: 1080px) {
  .page-news .routes__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .route,
  .page-news .topic-chip,
  .page-news .entry__arrow,
  .page-news .feature__card {
    transition: none;
  }
  .page-news .route:hover,
  .page-news .feature__card:hover {
    transform: none;
  }
}
