.page-news {
  --news-rule: 1px solid rgba(29, 53, 96, 0.78);
  --news-rule-soft: 1px solid rgba(29, 53, 96, 0.42);
  --news-gap: clamp(24px, 4vw, 48px);
  position: relative;
  background: var(--void);
  color: var(--text);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  position: relative;
  padding: clamp(22px, 4vw, 52px) 0 clamp(34px, 5vw, 70px);
  background:
    radial-gradient(120% 88% at 88% 6%, rgba(51, 242, 227, 0.15), transparent 58%),
    radial-gradient(90% 70% at 2% 98%, rgba(255, 124, 51, 0.1), transparent 62%);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(29, 53, 96, 0.5) 1px, transparent 1px);
  background-size: 100% 66px;
  opacity: 0.55;
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 30%, #000 72%, transparent);
  mask-image: linear-gradient(180deg, transparent, #000 30%, #000 72%, transparent);
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  grid-template-columns: 1fr;
}

.page-news .news-hero__text {
  max-width: 46rem;
}

.page-news .news-hero__title {
  margin: 8px 0 0;
  font-size: clamp(38px, 8vw, 78px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-news .news-hero__lead {
  margin: clamp(14px, 2vw, 22px) 0 0;
  max-width: 36em;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.78;
  color: var(--muted);
}

.page-news .news-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(18px, 3.4vw, 44px);
  margin: clamp(24px, 3.4vw, 38px) 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: var(--news-rule);
}

.page-news .news-hero__stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-news .news-hero__num {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 600;
  line-height: 1;
  color: var(--cyan);
}

.page-news .news-hero__label {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-news .news-hero__media {
  position: relative;
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 0 0 1px rgba(51, 242, 227, 0.22), 0 34px 80px -46px rgba(51, 242, 227, 0.45);
}

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

/* ---------- 主体骨架 ---------- */

.page-news .news-body {
  display: grid;
  gap: var(--news-gap);
  grid-template-columns: 1fr;
  padding-bottom: clamp(52px, 8vw, 104px);
}

.page-news .news-main {
  display: flex;
  flex-direction: column;
  gap: clamp(30px, 5vw, 62px);
  min-width: 0;
}

.page-news .news-head {
  margin-bottom: clamp(16px, 2.4vw, 26px);
}

.page-news .news-head .section__lead {
  max-width: 34em;
  color: var(--muted);
}

/* ---------- 本期要目 ---------- */

.page-news .brief {
  margin: 0;
  padding: 0;
  list-style: none;
  border-bottom: var(--news-rule);
}

.page-news .brief__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 4px 14px;
  padding: 15px 0 15px 2px;
  border-top: var(--news-rule);
  transition: background-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .brief__num {
  grid-row: span 2;
  font-size: clamp(20px, 2.6vw, 30px);
  line-height: 1.15;
  color: rgba(51, 242, 227, 0.55);
  transition: color var(--dur) var(--ease);
}

.page-news .brief__link {
  font-size: clamp(15px, 1.7vw, 17px);
  font-weight: 600;
  line-height: 1.55;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .brief__tag,
.page-news .brief__time {
  font-size: 12px;
  letter-spacing: 0.05em;
  align-self: center;
}

.page-news .brief__tag {
  grid-column: 2;
  justify-self: start;
  padding: 2px 9px;
  border-radius: 999px;
  color: var(--muted);
  background: rgba(29, 53, 96, 0.6);
}

.page-news .brief__tag--cool {
  color: var(--cyan);
  background: rgba(14, 155, 150, 0.18);
}

.page-news .brief__tag--warm {
  color: var(--orange);
  background: rgba(255, 124, 51, 0.14);
}

.page-news .brief__tag--gold {
  color: var(--gold);
  background: rgba(201, 161, 92, 0.16);
}

.page-news .brief__time {
  grid-column: 2;
  color: var(--muted);
}

.page-news .brief__item:hover,
.page-news .brief__item:focus-within {
  transform: translateX(4px);
}

.page-news .brief__item:hover .brief__num,
.page-news .brief__item:focus-within .brief__num {
  color: var(--cyan);
}

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

/* ---------- 分组标题 ---------- */

.page-news .news-block__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  margin-bottom: clamp(10px, 1.6vw, 18px);
}

.page-news .news-block__mark {
  width: 4px;
  height: 22px;
  border-radius: 3px;
  align-self: center;
  background: var(--cyan);
}

.page-news .news-block__mark--deep {
  background: var(--cyan-deep);
}

.page-news .news-block__mark--orange {
  background: var(--orange);
}

.page-news .news-block__mark--gold {
  background: var(--gold);
}

.page-news .news-block__title {
  margin: 0;
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-news .news-block__count {
  margin-left: auto;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ---------- 行式列表 ---------- */

.page-news .feed {
  margin: 0;
  padding: 0;
  list-style: none;
  border-bottom: var(--news-rule);
}

.page-news .feed__item {
  position: relative;
  padding: clamp(16px, 2.2vw, 24px) 0 clamp(16px, 2.2vw, 24px) clamp(12px, 1.6vw, 20px);
  border-top: var(--news-rule);
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-news .feed__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 3px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--cyan), rgba(51, 242, 227, 0));
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
}

.page-news .feed__item:hover::before,
.page-news .feed__item:focus-within::before {
  opacity: 1;
}

.page-news .feed__item:hover,
.page-news .feed__item:focus-within {
  transform: translateX(4px);
}

.page-news .feed__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.page-news .feed__time {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-news .feed__title {
  margin: 0;
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--text);
}

.page-news .feed__desc {
  margin: 8px 0 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .feed__more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(51, 242, 227, 0.35);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .feed__more::after {
  content: "→";
  font-size: 12px;
  transition: transform var(--dur) var(--ease);
}

.page-news .feed__more:hover,
.page-news .feed__more:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-news .feed__more:hover::after {
  transform: translateX(3px);
}

.page-news .feed__thumb {
  margin: 0 0 14px;
  width: 100%;
  max-width: 250px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: 0 0 0 1px rgba(29, 53, 96, 0.9);
}

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

/* ---------- 往期存档 ---------- */

.page-news .archive {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-news .archive__item {
  border-top: var(--news-rule);
  border-bottom: var(--news-rule-soft);
  padding: 0 0 12px;
}

.page-news .archive__summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 0 12px;
  cursor: pointer;
  list-style: none;
  transition: color var(--dur) var(--ease);
}

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

.page-news .archive__summary::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan);
  transition: transform var(--dur) var(--ease);
}

.page-news .archive__item[open] .archive__summary::after {
  content: "－";
}

.page-news .archive__tick {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  transform: rotate(45deg);
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(51, 242, 227, 0.55);
  flex: 0 0 auto;
}

.page-news .archive__q {
  font-size: clamp(16px, 1.9vw, 19px);
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--text);
}

.page-news .archive__note {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-news .archive__list {
  margin: 0;
  padding: 0 0 4px 22px;
  list-style: none;
  border-left: 1px dashed rgba(29, 53, 96, 0.9);
}

.page-news .archive__row {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 10px;
  padding: 8px 0;
}

.page-news .archive__k {
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--cyan-deep);
  padding-top: 3px;
}

.page-news .archive__v {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 右侧栏 ---------- */

.page-news .news-rail {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

.page-news .rail-card {
  padding: 18px 18px 20px;
  border: var(--news-rule);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(12, 23, 51, 0.92), rgba(5, 9, 26, 0.86));
}

.page-news .rail-card--beat {
  border-color: rgba(51, 242, 227, 0.32);
  box-shadow: inset 0 0 0 1px rgba(51, 242, 227, 0.08);
}

.page-news .rail-card__title {
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text);
}

.page-news .rail-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .rail-card__mono {
  margin: 12px 0 0;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-news .rail-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
}

.page-news .rail-list__item + .rail-list__item {
  border-top: var(--news-rule-soft);
}

.page-news .rail-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .rail-link:hover,
.page-news .rail-link:focus-visible {
  color: var(--cyan);
  transform: translateX(3px);
}

.page-news .rail-link__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: 0 0 auto;
  background: var(--line);
}

.page-news .rail-link__dot--cyan {
  background: var(--cyan);
}

.page-news .rail-link__dot--deep {
  background: var(--cyan-deep);
}

.page-news .rail-link__dot--orange {
  background: var(--orange);
}

.page-news .rail-link__dot--gold {
  background: var(--gold);
}

.page-news .rail-link__dot--muted {
  background: var(--warmgray);
}

.page-news .rail-link__text {
  min-width: 0;
}

.page-news .rail-link--plain {
  justify-content: space-between;
}

.page-news .rail-link__arrow {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--line);
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .rail-link--plain:hover .rail-link__arrow {
  color: var(--orange);
  transform: translateX(3px);
}

/* ---------- 响应式 ---------- */

@media (min-width: 680px) {
  .page-news .brief__item {
    grid-template-columns: 64px minmax(0, 1fr) auto auto;
    align-items: center;
    gap: 14px;
    padding: 18px 6px 18px 2px;
  }

  .page-news .brief__num {
    grid-row: auto;
    font-size: clamp(24px, 2.4vw, 32px);
  }

  .page-news .brief__tag,
  .page-news .brief__time {
    grid-column: auto;
    justify-self: auto;
    align-self: center;
    white-space: nowrap;
  }

  .page-news .feed__item--thumb {
    display: grid;
    grid-template-columns: 176px minmax(0, 1fr);
    gap: 22px;
    align-items: start;
  }

  .page-news .feed__thumb {
    margin: 0;
    max-width: none;
  }
}

@media (min-width: 1040px) {
  .page-news .news-body {
    grid-template-columns: minmax(0, 1fr) 272px;
    gap: clamp(32px, 4vw, 56px);
  }

  .page-news .news-rail {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }

  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }

  .page-news .feed__item--thumb {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 28px;
  }
}

@media (min-width: 1280px) {
  .page-news .news-hero__text {
    padding-right: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .brief__item,
  .page-news .feed__item,
  .page-news .feed__item::before,
  .page-news .feed__more::after,
  .page-news .rail-link,
  .page-news .rail-link__arrow,
  .page-news .archive__summary::after {
    transition: none !important;
    transform: none !important;
  }
}
</main>