.page-news {
  --news-rail-w: 208px;
  --news-grid-line: rgba(46, 66, 87, .38);
  padding: clamp(20px, 3vw, 36px) 0 clamp(56px, 8vw, 96px);
  background-color: var(--ink-800);
  background-image:
    linear-gradient(to right, var(--news-grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--news-grid-line) 1px, transparent 1px);
  background-size: 96px 96px;
  color: var(--white);
  font-family: var(--font-body);
  overflow-x: clip;
}

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

.page-news .crumbs {
  margin-bottom: clamp(16px, 2.4vw, 24px);
}

/* ---------- 页首 ---------- */
.page-news .news-intro {
  display: grid;
  gap: clamp(12px, 1.8vw, 18px);
  padding-bottom: clamp(22px, 3.4vw, 36px);
  border-bottom: 2px solid var(--line);
}

.page-news .news-intro__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(46px, 13vw, 118px);
  font-weight: 700;
  line-height: .9;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-news .news-intro__lede {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.78;
  color: var(--muted);
}

.page-news .news-intro__meta {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(16px, 3vw, 40px);
  margin: 6px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-news .news-intro__meta > div {
  display: grid;
  gap: 5px;
  min-width: 118px;
}

.page-news .news-intro__meta dt {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-news .news-intro__meta dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 600;
  color: var(--cyan);
}

/* ---------- 头条 ---------- */
.page-news .news-lead {
  margin-top: clamp(26px, 4vw, 48px);
}

.page-news .news-lead__flag {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
}

.page-news .news-lead__stamp {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-news .news-lead__grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 26px);
  padding: clamp(14px, 2vw, 22px);
  border: 2px solid var(--line);
  background: linear-gradient(150deg, rgba(23, 38, 53, .96), rgba(2, 8, 17, .96));
  box-shadow: var(--shadow-hard);
}

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

.page-news .news-lead__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

.page-news .news-lead__body {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-news .news-lead__body h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 4.4vw, 44px);
  line-height: 1.06;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-news .news-lead__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .news-lead__more {
  justify-self: start;
  margin-top: 4px;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

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

/* ---------- 分类轴 + 文章流 ---------- */
.page-news .news-desk {
  margin-top: clamp(32px, 5vw, 64px);
  display: grid;
  gap: clamp(18px, 3vw, 34px);
  align-items: start;
}

.page-news .news-rail {
  border: 1px solid var(--line);
  background: rgba(2, 8, 17, .9);
  padding: 14px;
}

.page-news .news-rail__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-news .news-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
}

.page-news .news-rail__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 8px;
  font-size: 14px;
  color: var(--white);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: background-color .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease);
}

.page-news .news-rail__link:hover,
.page-news .news-rail__link:focus-visible {
  background: var(--panel);
  border-left-color: var(--cyan);
  color: var(--cyan);
  outline: none;
}

.page-news .news-rail__no {
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--amber);
}

.page-news .news-rail__note {
  margin: 12px 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.65;
  color: var(--muted);
}

.page-news .news-stream {
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
}

.page-news .post {
  position: relative;
  padding: clamp(16px, 2.2vw, 26px) clamp(16px, 2.2vw, 26px) clamp(16px, 2.2vw, 26px) clamp(26px, 3vw, 34px);
  border: 1px solid var(--line);
  background: rgba(10, 22, 37, .84);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease), background-color .2s var(--ease);
}

.page-news .post::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 9px;
  background-image: repeating-linear-gradient(to bottom, var(--line) 0 1px, transparent 1px 12px);
}

.page-news .post:hover,
.page-news .post:focus-within {
  border-color: var(--cyan);
  box-shadow: var(--shadow-soft);
  background: rgba(23, 38, 53, .92);
}

.page-news .post__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.page-news .post__no {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-news .post__time {
  margin-left: auto;
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-news .post__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 27px);
  font-weight: 700;
  line-height: 1.26;
  color: var(--white);
}

.page-news .post__excerpt {
  margin: 0;
  max-width: 64ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .post--split {
  display: grid;
  gap: 14px clamp(16px, 2vw, 22px);
}

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

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

/* ---------- 专题系列 ---------- */
.page-news .news-block {
  margin-top: clamp(40px, 6vw, 76px);
}

.page-news .news-block .section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--line);
}

.page-news .news-block .section__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.2vw, 32px);
  letter-spacing: -.01em;
  color: var(--white);
}

.page-news .news-block__note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-news .series-grid {
  display: grid;
  gap: clamp(12px, 2vw, 18px);
  margin-top: clamp(16px, 2.4vw, 24px);
}

.page-news .series-card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: clamp(16px, 2vw, 22px);
  border: 2px solid var(--line);
  border-top-width: 4px;
  background: rgba(10, 22, 37, .9);
}

.page-news .series-card--cyan { border-top-color: var(--cyan); }
.page-news .series-card--amber { border-top-color: var(--amber); }
.page-news .series-card--muted { border-top-color: var(--muted); }

.page-news .series-card__no {
  margin: 0;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-news .series-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 21px;
  line-height: 1.22;
  color: var(--white);
}

.page-news .series-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-news .series-steps {
  margin: 0;
  padding-left: 1.15em;
  display: grid;
  gap: 5px;
  font-size: 13.5px;
  line-height: 1.62;
  color: var(--white);
}

.page-news .series-steps li::marker {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
}

.page-news .series-card__link {
  justify-self: start;
  margin-top: 4px;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

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

/* ---------- 轮次索引 ---------- */
.page-news .news-rounds__media {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  border: 1px solid var(--line);
}

.page-news .news-rounds__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1200 / 420;
  object-fit: cover;
}

.page-news .round-list {
  list-style: none;
  margin: clamp(14px, 2vw, 20px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .round-list__link {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  padding: 13px 4px;
  border-bottom: 1px solid var(--line);
  color: var(--white);
  text-decoration: none;
  transition: background-color .18s var(--ease), padding-left .18s var(--ease);
}

.page-news .round-list__link:hover,
.page-news .round-list__link:focus-visible {
  background: rgba(46, 242, 216, .08);
  padding-left: 12px;
  outline: none;
}

.page-news .round-list__no {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--amber);
}

.page-news .round-list__name {
  font-size: 16px;
  font-weight: 600;
}

.page-news .round-list__tags {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-news .news-rounds__hint {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 13px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 更新节奏 ---------- */
.page-news .cadence-grid {
  display: grid;
  gap: 1px;
  margin-top: clamp(16px, 2.4vw, 24px);
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .cadence-card {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: clamp(16px, 2vw, 22px);
  background: var(--ink-800);
}

.page-news .cadence-card__when {
  margin: 0;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--amber);
}

.page-news .cadence-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  line-height: 1.3;
  color: var(--white);
}

.page-news .cadence-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--muted);
}

/* ---------- 下一步 ---------- */
.page-news .news-next {
  display: grid;
  gap: 12px;
  margin-top: clamp(44px, 6vw, 80px);
  padding: clamp(20px, 3vw, 34px);
  border: 2px solid var(--cyan);
  background: linear-gradient(135deg, rgba(46, 242, 216, .1), rgba(6, 16, 29, .96) 62%);
  box-shadow: var(--shadow-hard);
}

.page-news .news-next__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.2;
  color: var(--white);
}

.page-news .news-next__text {
  margin: 0;
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--muted);
}

.page-news .news-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 379px) {
  .page-news .news-rail__list {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-news .post__time {
    margin-left: 0;
    flex-basis: 100%;
  }
}

@media (min-width: 700px) {
  .page-news .post--split {
    grid-template-columns: minmax(0, 1fr) 230px;
    grid-template-areas:
      "head head"
      "body media";
    align-items: start;
  }
  .page-news .post--split .post__head { grid-area: head; }
  .page-news .post--split .post__body { grid-area: body; }
  .page-news .post--split .post__media { grid-area: media; }
}

@media (min-width: 760px) {
  .page-news .cadence-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-news .series-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-news .news-lead__grid {
    grid-template-columns: 1.1fr 1fr;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-news .news-desk {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
  }
  .page-news .news-rail {
    position: sticky;
    top: 24px;
  }
  .page-news .news-rail__list {
    grid-template-columns: minmax(0, 1fr);
  }
}