.page-news {
  --news-c-update: var(--cyan);
  --news-c-data: var(--amber);
  --news-c-ops: var(--rose);
  --news-c-guide: var(--violet);
  --news-panel: var(--ink-800);
  padding-top: 20px;
  padding-bottom: 64px;
  color: var(--paper);
  font-family: var(--font-sans);
}

.page-news .breadcrumb {
  margin-bottom: 28px;
}

.page-news .news-figure {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--ink-700);
  border: 1px solid var(--line);
}

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

/* ---------- 页头 ---------- */
.page-news .news-masthead {
  display: grid;
  gap: 32px;
  padding-bottom: 48px;
}

.page-news .news-masthead__lead h1 {
  margin: 12px 0 18px;
  font-size: clamp(40px, 10vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.035em;
  font-weight: 800;
  color: var(--paper);
}

.page-news .news-masthead__intro {
  max-width: 42ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-soft);
}

.page-news .news-readout {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 20px 0 0 20px;
  list-style: none;
  border-left: 2px solid var(--line);
  border-top: 1px solid var(--line);
}

.page-news .news-readout__item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.page-news .news-readout__value {
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-news .news-readout__value.is-amber {
  color: var(--amber);
}

.page-news .news-readout__unit {
  font-size: 13px;
  margin-left: 3px;
  color: var(--slate);
}

.page-news .news-readout__label {
  font-size: 13px;
  color: var(--slate);
  letter-spacing: 0.02em;
}

/* ---------- 01 置顶专题 ---------- */
.page-news .news-spotlight {
  display: grid;
  gap: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--news-panel);
}

.page-news .news-spotlight__band {
  position: relative;
  padding: 26px 22px 30px;
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(53, 240, 208, 0.16), transparent 62%),
    var(--news-panel);
}

.page-news .news-spotlight__num {
  display: block;
  font-size: 54px;
  font-weight: 200;
  line-height: 1;
  letter-spacing: -0.05em;
  color: var(--violet);
  margin-bottom: 10px;
}

.page-news .news-spotlight__band h2 {
  margin: 10px 0 14px;
  font-size: 22px;
  line-height: 1.3;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--paper);
}

.page-news .news-spotlight__body {
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-soft);
  max-width: 46ch;
}

.page-news .news-spotlight__figure {
  border: 0;
  border-radius: 0;
  border-top: 1px solid var(--line);
}

/* ---------- 02 分类 ---------- */
.page-news .news-filter {
  display: grid;
  gap: 26px;
  margin-top: 56px;
}

.page-news .news-filter__text h2 {
  margin: 10px 0 12px;
  font-size: clamp(26px, 6vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.025em;
  font-weight: 800;
}

.page-news .news-filter__text p {
  margin: 0;
  max-width: 40ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-news .news-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(12, 42, 36, 0.7);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: background var(--t) var(--ease), border-color var(--t) var(--ease), transform var(--t) var(--ease);
}

.page-news .filter-chip__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}

.page-news .filter-chip--update {
  color: var(--news-c-update);
}

.page-news .filter-chip--data {
  color: var(--news-c-data);
}

.page-news .filter-chip--ops {
  color: var(--news-c-ops);
}

.page-news .filter-chip--guide {
  color: var(--news-c-guide);
}

.page-news .filter-chip:hover,
.page-news .filter-chip:focus-visible {
  border-color: currentColor;
  background: rgba(53, 240, 208, 0.08);
  transform: translateY(-1px);
}

.page-news .filter-chip:focus-visible {
  outline: 2px solid var(--mist);
  outline-offset: 3px;
}

/* ---------- 03 列表 ---------- */
.page-news .news-feed {
  margin-top: 64px;
}

.page-news .news-feed__head h2 {
  margin: 10px 0 8px;
  font-size: clamp(26px, 6vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.025em;
  font-weight: 800;
}

.page-news .news-feed__head p:last-child {
  margin: 0;
  font-size: 14px;
  color: var(--slate);
}

.page-news .feed-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .feed-item {
  --feed-accent: var(--cyan);
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 20px 4px 20px 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 84px;
  transition: background var(--t) var(--ease);
}

.page-news .feed-item--update {
  --feed-accent: var(--news-c-update);
}

.page-news .feed-item--data {
  --feed-accent: var(--news-c-data);
}

.page-news .feed-item--ops {
  --feed-accent: var(--news-c-ops);
}

.page-news .feed-item--guide {
  --feed-accent: var(--news-c-guide);
}

.page-news .feed-item__time {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
  padding-left: 12px;
  border-left: 2px solid var(--feed-accent);
}

.page-news .feed-item__cat {
  display: inline-block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--feed-accent);
}

.page-news .feed-item__title {
  margin: 0 0 8px;
  font-size: 17px;
  line-height: 1.45;
  letter-spacing: -0.01em;
  font-weight: 700;
  color: var(--paper);
  transition: color var(--t) var(--ease);
}

.page-news .feed-item__summary {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--slate);
  max-width: 56ch;
}

.page-news .feed-item__arrow {
  display: none;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--cyan);
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity var(--t) var(--ease), transform var(--t) var(--ease);
}

.page-news .feed-item:hover {
  background: linear-gradient(90deg, rgba(53, 240, 208, 0.07), transparent 78%);
}

.page-news .feed-item:hover .feed-item__title {
  color: var(--mist);
}

.page-news .feed-item:hover .feed-item__arrow {
  opacity: 1;
  transform: translateX(0);
}

/* ---------- 04 系列 ---------- */
.page-news .news-series {
  margin-top: 64px;
}

.page-news .news-series__head h2 {
  margin: 10px 0 0;
  font-size: clamp(26px, 6vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.025em;
  font-weight: 800;
}

.page-news .news-series__grid {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.page-news .series-card {
  position: relative;
  padding: 24px 22px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--news-panel);
  transition: border-color var(--t) var(--ease), transform var(--t) var(--ease);
}

.page-news .series-card:hover,
.page-news .series-card:focus-within {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-news .series-card__num {
  display: block;
  font-size: 34px;
  font-weight: 200;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--violet);
  margin-bottom: 12px;
}

.page-news .series-card .card__title {
  margin: 0 0 10px;
  font-size: 19px;
  letter-spacing: -0.01em;
  font-weight: 700;
  color: var(--paper);
}

.page-news .series-card .card__body {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--slate);
}

.page-news .series-card__link {
  display: inline-block;
  font-size: 13px;
  font-family: var(--font-mono);
  color: var(--cyan);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
  transition: border-color var(--t) var(--ease), color var(--t) var(--ease);
}

.page-news .series-card__link:hover,
.page-news .series-card__link:focus-visible {
  border-bottom-color: var(--cyan);
  color: var(--mist);
}

.page-news .news-series__figure {
  margin-top: 20px;
}

/* ---------- 05 订阅 ---------- */
.page-news .news-subscribe {
  display: grid;
  gap: 26px;
  margin-top: 64px;
  padding: 28px 22px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(53, 240, 208, 0.12), transparent 46%),
    var(--news-panel);
}

.page-news .news-subscribe__body h2 {
  margin: 10px 0 14px;
  font-size: clamp(24px, 6vw, 32px);
  line-height: 1.25;
  letter-spacing: -0.025em;
  font-weight: 800;
}

.page-news .news-subscribe__body > p {
  margin: 0 0 22px;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-news .news-subscribe__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
}

.page-news .news-subscribe__mail {
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.8;
  color: var(--slate);
}

.page-news .news-subscribe__mail .mono {
  color: var(--mist);
}

.page-news .news-subscribe__figure {
  border-radius: var(--r-md);
}

/* ---------- 平板以上 ---------- */
@media (min-width: 760px) {
  .page-news {
    padding-top: 32px;
    padding-bottom: 88px;
  }

  .page-news .news-masthead {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    align-items: end;
    gap: 40px;
    padding-bottom: 64px;
  }

  .page-news .news-readout {
    border-top: 0;
    padding-top: 0;
  }

  .page-news .news-filter {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
    align-items: center;
    gap: 36px;
  }

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

  .page-news .news-subscribe {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
    gap: 36px;
    padding: 36px 32px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1000px) {
  .page-news .news-spotlight {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: stretch;
  }

  .page-news .news-spotlight__band {
    padding: 40px 44px 44px;
    clip-path: polygon(0 0, 100% 0, calc(100% - 56px) 100%, 0 100%);
  }

  .page-news .news-spotlight__band h2 {
    font-size: 28px;
    max-width: 20ch;
  }

  .page-news .news-spotlight__figure {
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .page-news .news-spotlight__figure img {
    height: 100%;
    aspect-ratio: auto;
    min-height: 320px;
  }

  .page-news .feed-item {
    grid-template-columns: 118px minmax(0, 1fr) 30px;
    gap: 26px;
    padding: 26px 12px 26px 0;
  }

  .page-news .feed-item__time {
    font-size: 13px;
    padding-left: 16px;
    padding-top: 3px;
  }

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

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

  .page-news .news-masthead {
    padding-bottom: 84px;
  }
}