.page-news {
  --news-cut: 14px;
  --news-pad: 22px;
  background: var(--ink-900);
  color: var(--text);
  padding: 20px 0 88px;
}

.page-news .crumbs {
  margin-bottom: 20px;
}

/* ---------- 首屏框景 ---------- */

.page-news .news-hero {
  position: relative;
  padding: 30px var(--news-pad) 28px;
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 4% 0%, rgba(53, 240, 224, 0.16), transparent 60%),
    radial-gradient(90% 80% at 102% 10%, rgba(138, 92, 255, 0.18), transparent 58%),
    var(--ink-800);
  clip-path: polygon(
    var(--news-cut) 0,
    100% 0,
    100% calc(100% - var(--news-cut)),
    calc(100% - var(--news-cut)) 100%,
    0 100%,
    0 var(--news-cut)
  );
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), rgba(53, 240, 224, 0) 62%);
}

.page-news .news-hero__kicker {
  margin: 0 0 16px;
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-news .news-hero__title {
  margin: 0 0 18px;
  font-size: 28px;
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--white);
  max-width: 22ch;
}

.page-news .news-hero__lede {
  margin: 0 0 26px;
  font-size: 15px;
  line-height: 1.85;
  max-width: 52ch;
}

.page-news .news-hero__facts {
  list-style: none;
  margin: 0;
  padding: 18px 0 0;
  border-top: 1px dashed var(--line);
  display: grid;
  gap: 16px 20px;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.page-news .news-hero__facts b {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--lime);
}

.page-news .news-hero__facts span {
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.6;
}

/* ---------- 版面骨架 ---------- */

.page-news .news-layout {
  margin-top: 34px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-news .news-ticks__label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.page-news .news-ticks__list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-news .news-ticks__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 9px 13px;
  font-size: 13px;
  color: var(--text);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--ink-800);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-news .news-ticks__list a .mono {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--violet);
}

.page-news .news-ticks__list a:hover,
.page-news .news-ticks__list a:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  background: var(--ink-700);
}

.page-news .news-ticks__list a:hover .mono,
.page-news .news-ticks__list a:focus-visible .mono {
  color: var(--cyan);
}

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

/* ---------- 栏目块 ---------- */

.page-news .news-block {
  scroll-margin-top: 96px;
}

.page-news .news-block + .news-block {
  margin-top: 44px;
  padding-top: 36px;
  border-top: 1px solid var(--line);
}

.page-news .news-block .sec-head {
  margin-bottom: 14px;
}

.page-news .news-block__intro {
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 64ch;
}

/* ---------- 头条条目（带图） ---------- */

.page-news .news-lead {
  display: grid;
  gap: 18px;
  padding: 20px 0 22px;
  border-top: 1px solid var(--line);
}

.page-news .news-lead__title {
  margin: 8px 0 10px;
  font-size: 19px;
  line-height: 1.45;
  font-weight: 700;
  color: var(--white);
}

.page-news .news-lead__excerpt {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text);
  max-width: 60ch;
}

.page-news .news-lead__link {
  margin: 0;
  font-size: 13.5px;
}

.page-news .news-lead__link a,
.page-news .news-route__link a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 224, 0.35);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-news .news-lead__link a:hover,
.page-news .news-route__link a:hover,
.page-news .news-lead__link a:focus-visible,
.page-news .news-route__link a:focus-visible {
  color: var(--white);
  border-bottom-color: var(--white);
}

.page-news .news-lead__media {
  margin: 0;
  background: var(--ink-800);
}

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

/* ---------- 紧凑条目流 ---------- */

.page-news .news-entry {
  padding: 18px 0;
  border-top: 1px solid var(--line);
  transition: border-color 0.22s var(--ease);
}

.page-news .news-entry:hover {
  border-top-color: var(--cyan);
}

.page-news .news-entry__meta {
  margin: 0 0 8px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-news .news-entry__title {
  margin: 0 0 8px;
  font-size: 17px;
  line-height: 1.5;
  font-weight: 700;
  color: var(--white);
  transition: color 0.2s var(--ease);
}

.page-news .news-entry:hover .news-entry__title {
  color: var(--cyan);
}

.page-news .news-entry__excerpt {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text);
  max-width: 62ch;
}

/* ---------- 专题轨道 ---------- */

.page-news .news-topics-block,
.page-news .news-routes-block,
.page-news .news-format-block {
  margin-top: 48px;
  padding-top: 38px;
  border-top: 1px solid var(--line);
}

.page-news .news-topics__media {
  margin: 0 0 20px;
  background: var(--ink-800);
}

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

.page-news .news-topics {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 4px 2px 16px;
  scrollbar-width: thin;
}

.page-news .news-topic {
  flex: 0 0 84%;
  min-width: 0;
  scroll-snap-align: start;
  padding: 20px 18px 22px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  clip-path: polygon(
    var(--news-cut) 0,
    100% 0,
    100% calc(100% - var(--news-cut)),
    calc(100% - var(--news-cut)) 100%,
    0 100%,
    0 var(--news-cut)
  );
}

.page-news .news-topic__tag {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--violet);
}

.page-news .news-topic__title {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
}

.page-news .news-topic__desc {
  margin: 0 0 16px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .news-topic__bar {
  position: relative;
  height: 3px;
  margin-bottom: 10px;
  background: var(--line);
  overflow: hidden;
}

.page-news .news-topic__fill {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  display: block;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
}

.page-news .news-topic__meta {
  margin: 0 0 6px;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-news .news-topic__next {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--lime);
}

/* ---------- 阅读路线 ---------- */

.page-news .news-routes {
  display: grid;
  gap: 14px;
}

.page-news .news-route {
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--violet);
  background: var(--ink-800);
}

.page-news .news-route__step {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--violet);
}

.page-news .news-route__title {
  margin: 0 0 10px;
  font-size: 17px;
  line-height: 1.5;
  font-weight: 700;
  color: var(--white);
}

.page-news .news-route__desc {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text);
}

.page-news .news-route__link {
  margin: 0;
  font-size: 13.5px;
}

/* ---------- 版本公告固定结构 ---------- */

.page-news .news-format {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .news-format__item {
  padding: 22px 20px;
  background: var(--ink-800);
}

.page-news .news-format__idx {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-news .news-format__title {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
}

.page-news .news-format__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text);
}

/* ---------- 更新节奏与入口 ---------- */

.page-news .news-rhythm {
  margin-top: 48px;
  padding: 28px var(--news-pad);
  background: linear-gradient(135deg, rgba(53, 240, 224, 0.1), rgba(138, 92, 255, 0.08) 55%, transparent 90%), var(--ink-800);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
}

.page-news .news-rhythm__grid {
  display: grid;
  gap: 24px;
}

.page-news .news-rhythm__title {
  margin: 0 0 14px;
  font-size: 22px;
  line-height: 1.3;
  font-weight: 800;
  color: var(--white);
  max-width: 24ch;
}

.page-news .news-rhythm__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text);
  max-width: 58ch;
}

.page-news .news-rhythm__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-news .news-rhythm__list li {
  padding-left: 14px;
  border-left: 2px solid var(--line);
}

.page-news .news-rhythm__list b {
  display: block;
  margin-bottom: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-news .news-rhythm__list span {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .news-rhythm__actions {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 断点 ---------- */

@media (min-width: 640px) {
  .page-news .news-hero {
    padding: 40px 36px 34px;
  }

  .page-news .news-hero__title {
    font-size: 38px;
  }

  .page-news .news-hero__lede {
    font-size: 16px;
  }

  .page-news .news-topic {
    flex-basis: 60%;
  }

  .page-news .news-rhythm {
    padding: 34px 36px;
  }
}

@media (min-width: 760px) {
  .page-news .news-entries {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 26px;
  }

  .page-news .news-entries .news-entry:first-child {
    border-top: 1px solid var(--line);
  }

  .page-news .news-topic {
    flex-basis: 340px;
  }
}

@media (min-width: 900px) {
  .page-news .news-lead {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 30px;
    align-items: start;
  }

  .page-news .news-lead__media {
    order: 2;
  }

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

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

  .page-news .news-rhythm__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 40px;
  }
}

@media (min-width: 1024px) {
  .page-news .news-layout {
    grid-template-columns: 176px minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-news .news-ticks {
    position: sticky;
    top: 92px;
  }

  .page-news .news-ticks__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .news-ticks__list a {
    border: 0;
    border-left: 2px solid var(--line);
    border-radius: 0;
    background: transparent;
    padding: 10px 12px;
    white-space: normal;
    font-size: 14px;
  }

  .page-news .news-ticks__list a:hover,
  .page-news .news-ticks__list a:focus-visible {
    border-left-color: var(--cyan);
    background: var(--ink-800);
  }

  .page-news .news-hero__title {
    font-size: 44px;
  }

  .page-news .news-stream {
    padding-left: 4px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-news .news-entry,
  .page-news .news-entry__title,
  .page-news .news-ticks__list a,
  .page-news .news-lead__link a,
  .page-news .news-route__link a {
    transition: none;
  }
}