.page-news {
  --news-soft: rgba(36, 50, 94, .6);
  --news-soft-2: rgba(36, 50, 94, .32);
  padding-bottom: 72px;
}

.page-news .breadcrumb {
  margin: 22px 0 4px;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding: 6px 0 42px;
  border-bottom: 1px solid var(--news-soft);
}

.page-news .news-hero__grid {
  display: grid;
  gap: 30px;
}

.page-news .news-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(34px, 6.6vw, 76px);
  line-height: 1.06;
  letter-spacing: -.02em;
}

.page-news .news-hero__title span {
  display: block;
  color: var(--cyan);
}

.page-news .news-hero__lede {
  margin: 20px 0 0;
  max-width: 64ch;
  color: var(--ink);
  font-size: 16.5px;
  line-height: 1.78;
}

.page-news .news-hero__notes {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.page-news .note-card {
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  background: var(--panel);
  padding: 18px 18px 20px;
}

.page-news .note-card__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-news .note-card__title {
  margin: 10px 0 0;
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -.005em;
}

.page-news .note-card__text {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.7;
}

.page-news .feature {
  display: block;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-hard);
  text-decoration: none;
  color: inherit;
  transition: transform .22s ease, border-color .22s ease;
}

.page-news .feature:hover,
.page-news .feature:focus-visible {
  transform: translate(-2px, -2px);
  border-color: var(--cyan);
}

.page-news .feature img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 3;
  object-fit: cover;
}

.page-news .feature__body {
  padding: 18px 20px 22px;
  border-top: 1px solid var(--line);
}

.page-news .feature__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-news .feature__title {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.5;
}

.page-news .feature__more {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--cyan);
}

/* ---------- 栏目导航带 ---------- */
.page-news .colrail {
  padding: 42px 0 8px;
}

.page-news .section-title {
  margin: 12px 0 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(24px, 3.8vw, 40px);
  line-height: 1.18;
  letter-spacing: -.01em;
}

.page-news .section-lede {
  margin: 14px 0 0;
  max-width: 70ch;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.78;
}

.page-news .colrail__track {
  display: flex;
  gap: 10px;
  margin-top: 22px;
  overflow-x: auto;
  padding-bottom: 14px;
  scroll-snap-type: x proximity;
}

.page-news .colrail__track a {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--ink);
  text-decoration: none;
  background: var(--void-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px 15px;
  transition: border-color .2s ease, color .2s ease, transform .2s ease;
}

.page-news .colrail__track a:hover,
.page-news .colrail__track a:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
}

.page-news .colrail__n {
  font-size: 11px;
  color: var(--muted);
  border-left: 1px solid var(--news-soft);
  padding-left: 8px;
}

.page-news .news-band {
  margin: 18px 0 0;
}

.page-news .news-band img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 3;
  object-fit: cover;
  border: 1px solid var(--line);
}

.page-news .news-band figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
  line-height: 1.7;
}

/* ---------- 文章索引 ---------- */
.page-news .index {
  padding: 48px 0 0;
}

.page-news .group {
  margin-top: 34px;
  padding-top: 26px;
  border-top: 1px solid var(--news-soft);
}

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

.page-news .group__head h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(21px, 2.8vw, 29px);
  line-height: 1.3;
  letter-spacing: .01em;
}

.page-news .group__head p {
  margin: 0;
  max-width: 64ch;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.72;
}

.page-news .entries {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}

.page-news .entry {
  display: grid;
  gap: 8px;
  padding: 18px 0;
  border-top: 1px solid var(--news-soft-2);
}

.page-news .entries .entry:first-child {
  border-top: 0;
}

.page-news .entry__meta {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-news .entry__tag {
  display: inline-block;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 3px 8px;
  color: var(--cyan);
}

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

.page-news .entry__title {
  margin: 0;
  font-family: var(--font-sans);
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 700;
  line-height: 1.42;
  letter-spacing: -.005em;
  transition: color .2s ease;
}

.page-news .entry__abstract {
  margin: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.72;
  transition: max-height .28s ease, opacity .28s ease, margin-top .28s ease;
}

@media (hover: none), (prefers-reduced-motion: reduce) {
  .page-news .entry__abstract {
    max-height: 300px;
    opacity: 1;
    margin-top: 8px;
  }
}

@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .page-news .entry:hover .entry__title,
  .page-news .entry:focus-within .entry__title {
    color: var(--cyan);
  }
  .page-news .entry:hover .entry__abstract,
  .page-news .entry:focus-within .entry__abstract {
    max-height: 300px;
    opacity: 1;
    margin-top: 8px;
  }
}

/* ---------- 专题系列 ---------- */
.page-news .series {
  margin-top: 56px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(18, 27, 56, .9), rgba(6, 10, 24, .92));
  box-shadow: var(--shadow-hard);
  padding: 30px 20px 34px;
}

.page-news .series__inner {
  display: grid;
  gap: 28px;
  margin-top: 26px;
}

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

.page-news .series__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--news-soft-2);
}

.page-news .series__list .series__item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-news .series__num {
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1.3;
}

.page-news .series__title {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
}

.page-news .series__body p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.72;
}

.page-news .series__link {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(37, 214, 232, .45);
  padding-bottom: 2px;
}

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

.page-news .series__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--void);
}

.page-news .series__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 15 / 8;
  object-fit: cover;
}

.page-news .series__figure figcaption {
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

/* ---------- 版本记录 ---------- */
.page-news .versions {
  margin-top: 58px;
}

.page-news .versions__figure {
  margin: 26px 0 0;
  border: 1px solid var(--line);
  background: var(--void-2);
}

.page-news .versions__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 25 / 14;
  object-fit: cover;
}

.page-news .versions__figure figcaption {
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.page-news .vline {
  list-style: none;
  position: relative;
  margin: 26px 0 0;
  padding: 0;
}

.page-news .vline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), rgba(36, 50, 94, .35));
}

.page-news .vnode {
  position: relative;
  padding-left: 28px;
}

.page-news .vnode::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  width: 11px;
  height: 11px;
  border: 1px solid var(--cyan);
  border-radius: 2px;
  background: var(--void);
}

.page-news .vnode summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  padding: 12px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-news .vnode summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-news .vnode__ver {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--gold);
  border: 1px solid var(--gold);
  border-radius: var(--radius);
  padding: 2px 8px;
}

.page-news .vnode__when {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-news .vnode__title {
  flex: 1 1 100%;
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.5;
}

.page-news .vnode__body {
  padding: 0 0 18px;
  border-bottom: 1px solid var(--news-soft-2);
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.75;
}

.page-news .vnode__body ul {
  margin: 0;
  padding-left: 18px;
}

.page-news .vnode__body li + li {
  margin-top: 7px;
}

/* ---------- 订阅与线索 ---------- */
.page-news .signup {
  margin-top: 58px;
}

.page-news .signup__inner {
  display: grid;
  gap: 24px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--cyan);
  background: var(--void-2);
  padding: 28px 20px 32px;
}

.page-news .signup__title {
  margin: 12px 0 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(22px, 3.2vw, 32px);
  line-height: 1.25;
  letter-spacing: -.01em;
}

.page-news .signup__text {
  margin: 14px 0 0;
  max-width: 66ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.78;
}

.page-news .signup__item h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
}

.page-news .signup__item p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.75;
}

.page-news .signup__item .btn {
  margin-top: 4px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-news .news-hero__notes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-news .entry {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 0 26px;
    align-items: start;
  }

  .page-news .entry__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding-top: 4px;
  }

  .page-news .series {
    padding: 34px 28px 38px;
  }

  .page-news .signup__inner {
    padding: 34px 30px 38px;
  }
}

@media (min-width: 1000px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 7.4fr) minmax(280px, 4.6fr);
    gap: 46px;
    align-items: start;
  }

  .page-news .news-hero {
    padding-bottom: 54px;
  }

  .page-news .series__inner {
    grid-template-columns: minmax(0, 1.25fr) minmax(280px, 1fr);
    gap: 34px;
    align-items: start;
  }

  .page-news .signup__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 28px 34px;
    align-items: start;
  }

  .page-news .signup__lead {
    grid-row: span 2;
  }
}

@media (min-width: 1280px) {
  .page-news .news-hero__lede {
    font-size: 17px;
  }
}
</main>