.page-news {
  background: var(--ink-black);
  color: var(--paper);
}

/* ===== 首屏 ===== */
.page-news .page-intro__lead {
  max-width: 62ch;
  margin: 20px 0 0;
  font-size: 17px;
  line-height: 1.75;
  color: var(--archive);
}

.page-news .news-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  margin: 34px 0 0;
  padding: 2px;
  list-style: none;
  background: var(--line);
  border: 2px solid var(--line);
}

.page-news .news-facts__item {
  background: var(--panel);
  padding: 16px 18px;
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--note);
  line-height: 1.5;
}

.page-news .news-facts__item .num {
  display: block;
  font-family: var(--font-mono);
  font-size: 34px;
  line-height: 1.05;
  color: var(--neon);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
  margin-bottom: 6px;
}

/* ===== 主体布局 ===== */
.page-news .news-stream {
  border-top: 2px solid var(--line);
}

.page-news .news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 44px;
}

/* ===== 左侧常驻索引 ===== */
.page-news .news-index {
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-brut);
  padding: 22px 20px 24px;
}

.page-news .news-index__title {
  margin: 10px 0 0;
  font-size: clamp(22px, 3.4vw, 28px);
  line-height: 1.15;
  letter-spacing: -.02em;
}

.page-news .news-index__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
  background: var(--line);
  border: 2px solid var(--line);
}

.page-news .news-index__item {
  background: var(--panel);
}

.page-news .news-index__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "code name"
    "code meta";
  gap: 3px 14px;
  padding: 14px 16px;
  text-decoration: none;
  color: var(--paper);
  border-left: 4px solid transparent;
  transition: border-color .18s ease, background-color .18s ease;
}

.page-news .news-index__code {
  grid-area: code;
  align-self: start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--note);
  padding-top: 4px;
}

.page-news .news-index__name {
  grid-area: name;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .01em;
}

.page-news .news-index__meta {
  grid-area: meta;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--note);
}

.page-news .news-index__link.is-live .news-index__code {
  color: var(--neon);
}

.page-news .news-index__link:hover,
.page-news .news-index__link:focus-visible {
  border-left-color: var(--neon);
  background: var(--deep-green);
  outline: none;
}

.page-news .news-index__foot {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--note);
}

.page-news .news-index__foot-link {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid var(--neon);
}

.page-news .news-index__foot-link:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ===== 条目流 ===== */
.page-news .news-feed {
  display: grid;
  gap: 66px;
  min-width: 0;
}

.page-news .news-block {
  min-width: 0;
}

.page-news .news-block__head {
  position: relative;
  border-bottom: 2px solid var(--line);
  padding-bottom: 20px;
  margin-bottom: 26px;
}

.page-news .news-block__head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 84px;
  height: 2px;
  background: var(--neon);
}

.page-news .news-block__title {
  margin: 10px 0 0;
  font-size: clamp(30px, 4.8vw, 48px);
  line-height: 1.05;
  letter-spacing: -.025em;
  font-weight: 900;
}

.page-news .news-block__desc {
  margin: 14px 0 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--note);
}

/* --- 条目通用 --- */
.page-news .news-item {
  min-width: 0;
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 0;
}

.page-news .news-round {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-news .news-tag {
  display: inline-block;
  padding: 3px 13px 3px 10px;
  font-size: 12px;
  letter-spacing: .09em;
  color: var(--neon);
  border: 1px solid var(--neon);
  background: rgba(182, 255, 60, .08);
  clip-path: polygon(0 0, 100% 0, calc(100% - 9px) 100%, 0 100%);
}

.page-news .news-tag--alt {
  color: var(--orange);
  border-color: var(--orange);
  background: rgba(255, 122, 26, .1);
}

.page-news .news-item__title {
  margin: 0;
  font-size: clamp(20px, 2.7vw, 28px);
  line-height: 1.24;
  letter-spacing: -.012em;
  font-weight: 900;
  transition: color .18s ease;
}

.page-news .news-item__excerpt {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--note);
}

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

/* --- 大条目：左图右文 --- */
.page-news .news-item--major {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border: 2px solid var(--line);
  background: var(--panel);
  transition: border-color .2s ease;
}

.page-news .news-item--major:hover {
  border-color: var(--neon);
}

.page-news .news-item--major:hover .news-item__title {
  color: var(--neon);
}

.page-news .news-item--major .news-item__media {
  border-bottom: 2px solid var(--line);
  overflow: hidden;
}

.page-news .news-item--major .media__frame {
  display: block;
  height: 100%;
}

.page-news .news-item--major .media__img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(1.05) contrast(1.05);
}

.page-news .news-item--major .news-item__body {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 24px 22px 26px;
  min-width: 0;
}

.page-news .news-item--major .news-item__excerpt {
  font-size: 16px;
}

/* --- 小条目 --- */
.page-news .news-block__minor {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin-top: 26px;
}

.page-news .news-item--minor {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 0 4px 18px;
  border-top: 2px solid var(--line);
  position: relative;
  transition: border-color .2s ease;
}

.page-news .news-item--minor::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 2px;
  height: 20px;
  background: var(--line);
  transition: background-color .2s ease;
}

.page-news .news-item--minor:hover {
  border-top-color: var(--neon);
}

.page-news .news-item--minor:hover::before {
  background: var(--neon);
}

.page-news .news-item--minor:hover .news-item__title {
  color: var(--neon);
}

.page-news .news-item--minor .news-item__title {
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.34;
}

.page-news .news-item--minor .news-item__excerpt {
  font-size: 15px;
  color: var(--note);
}

/* --- 返回索引 --- */
.page-news .news-backtop {
  grid-column: 1 / -1;
  margin: 0;
  padding-top: 8px;
}

.page-news .news-backtop__link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--note);
  text-decoration: none;
  border-bottom: 2px solid var(--line);
  padding-bottom: 7px;
  transition: color .18s ease, border-color .18s ease;
}

.page-news .news-backtop__link::before {
  content: "↑";
  font-size: 14px;
}

.page-news .news-backtop__link:hover,
.page-news .news-backtop__link:focus-visible {
  color: var(--neon);
  border-bottom-color: var(--neon);
  outline: none;
}

/* ===== 订阅与纠错 ===== */
.page-news .news-cta {
  background: var(--paper);
  color: var(--ink-black);
  border-top: 2px solid var(--line);
}

.page-news .news-cta .eyebrow {
  color: var(--note-on-paper);
}

.page-news .news-cta__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
}

.page-news .news-cta__col {
  border-top: 2px solid var(--line-on-paper);
  padding-top: 22px;
  min-width: 0;
}

.page-news .news-cta__col h2 {
  margin: 12px 0 0;
  font-size: clamp(22px, 3.2vw, 32px);
  line-height: 1.18;
  letter-spacing: -.02em;
  color: var(--ink-black);
}

.page-news .news-cta__col p {
  margin: 14px 0 0;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--note-on-paper);
}

.page-news .news-cta__col .btn {
  margin-top: 24px;
}

.page-news .news-cta__inline {
  margin-top: 16px;
  font-size: 14px;
}

.page-news .news-cta__inline-link {
  color: var(--deep-green);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid var(--neon);
}

.page-news .news-cta__inline-link:hover {
  border-bottom-color: var(--deep-green);
}

/* ===== 响应式 ===== */
@media (min-width: 700px) {
  .page-news .news-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-facts__item .num {
    font-size: 40px;
  }

  .page-news .news-block__minor {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 36px;
  }

  .page-news .news-item--major {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  }

  .page-news .news-item--major .news-item__media {
    border-bottom: 0;
    border-right: 2px solid var(--line);
  }

  .page-news .news-item--major .media__img {
    aspect-ratio: 14 / 11;
    min-height: 260px;
  }

  .page-news .news-item--major .news-item__body {
    padding: 28px 26px 30px;
  }

  .page-news .news-cta__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 56px;
  }
}

@media (min-width: 960px) {
  .page-news .news-layout {
    grid-template-columns: 274px minmax(0, 1fr);
    gap: 68px;
  }

  .page-news .news-index {
    position: sticky;
    top: calc(var(--header-h) + 26px);
    align-self: start;
  }

  .page-news .news-item--major .media__img {
    aspect-ratio: 14 / 12;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-index__link,
  .page-news .news-item,
  .page-news .news-item__title,
  .page-news .news-item--minor::before,
  .page-news .news-backtop__link {
    transition: none;
  }
}