.page-news {
  --news-scale: 84px;
  --news-gap: clamp(14px, 2.6vw, 30px);
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* ---------- 首屏 ---------- */
.page-news .news-intro {
  padding-block: clamp(26px, 5vw, 56px) clamp(28px, 5vw, 52px);
}

.page-news .news-intro .title-xl {
  margin: 14px 0 20px;
  max-width: 24ch;
  letter-spacing: -0.015em;
}

.page-news .news-intro__lead {
  max-width: 58ch;
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.85;
  color: var(--text);
  opacity: 0.88;
}

.page-news .news-intro__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 34px;
  margin: 30px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.page-news .news-intro__facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-news .news-intro__facts .data-num {
  font-size: 20px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0;
}

/* ---------- 置顶动态 ---------- */
.page-news .news-pin {
  padding-top: 0;
}

.page-news .pin {
  position: relative;
  display: grid;
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(14, 58, 92, 0.85), transparent 58%),
    linear-gradient(150deg, rgba(11, 36, 54, 0.96), rgba(5, 18, 31, 0.99));
}

.page-news .pin::after {
  content: "";
  position: absolute;
  inset: 6px;
  border: 1px solid rgba(63, 224, 208, 0.16);
  pointer-events: none;
}

.page-news .pin__body {
  position: relative;
  z-index: 1;
  padding: clamp(24px, 4vw, 46px);
}

.page-news .pin__body .title-lg {
  margin: 12px 0 18px;
  max-width: 20ch;
}

.page-news .pin__lead {
  margin: 0 0 24px;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .pin__points {
  display: grid;
  gap: 12px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
}

.page-news .pin__points li {
  position: relative;
  padding-left: 20px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .pin__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 9px;
  height: 1px;
  background: var(--cyan);
}

.page-news .pin__points span {
  margin-right: 8px;
  color: var(--text);
  font-weight: 600;
}

.page-news .pin__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
}

.page-news .pin__figure {
  position: relative;
  margin: 0;
  background: var(--tactic);
}

.page-news .pin__figure img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: 0.92;
}

/* ---------- 条目列表 ---------- */
.page-news .news-feed {
  padding-top: clamp(40px, 7vw, 88px);
}

.page-news .feed-head {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-news .feed-head .title-lg {
  margin: 12px 0 0;
  max-width: 22ch;
}

.page-news .feed-head .filter-bar {
  margin-top: 24px;
}

.page-news .feed {
  display: block;
}

.page-news .tnode {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 24px 0;
  border-top: 1px solid rgba(22, 55, 79, 0.85);
}

.page-news .tnode:last-of-type {
  border-bottom: 1px solid rgba(22, 55, 79, 0.85);
}

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

.page-news .tnode__dot {
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--deep);
  transition: transform 0.3s var(--ease), background-color 0.3s var(--ease),
    border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-news .tnode__when {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
  transition: color 0.3s var(--ease);
}

.page-news .tnode__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.page-news .tag {
  display: inline-block;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  line-height: 1.6;
  letter-spacing: 0.14em;
  border: 1px solid currentColor;
  border-radius: 2px;
  color: var(--muted);
}

.page-news .tag--version { color: var(--cyan); }
.page-news .tag--data { color: var(--mist); }
.page-news .tag--topic { color: var(--coral); }
.page-news .tag--local { color: var(--paper); }

.page-news .tnode__title {
  margin: 0 0 8px;
  font-size: clamp(17px, 2.2vw, 21px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
  transition: color 0.3s var(--ease);
}

.page-news .tnode__lead {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .tnode__figure {
  margin: 16px 0 4px;
  max-width: 520px;
  border: 1px solid var(--line);
  background: var(--tactic);
  overflow: hidden;
}

.page-news .tnode__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-news .tnode__body .expand {
  margin-top: 12px;
}

.page-news .expand__trigger {
  color: var(--cyan);
  letter-spacing: 0.08em;
}

.page-news .expand__inner p {
  margin: 0;
  max-width: 58ch;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--muted);
}

@media (hover: hover) {
  .page-news .tnode:hover .tnode__dot {
    background: var(--cyan);
    border-color: var(--cyan);
    transform: scale(1.5);
    box-shadow: 0 0 0 5px rgba(63, 224, 208, 0.12);
  }

  .page-news .tnode:hover .tnode__when,
  .page-news .tnode:hover .tnode__title {
    color: var(--mist);
  }
}

/* ---------- 视觉呼吸块 ---------- */
.page-news .breather {
  height: 46px;
  margin: 6px 0;
  background:
    repeating-linear-gradient(90deg, rgba(63, 224, 208, 0.3) 0 1px, transparent 1px 12px) 0 center / 100% 13px no-repeat,
    linear-gradient(90deg, transparent, rgba(22, 55, 79, 0.9) 14%, rgba(63, 224, 208, 0.5) 50%, rgba(22, 55, 79, 0.9) 86%, transparent) 0 center / 100% 1px no-repeat;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

/* ---------- 专题系列 ---------- */
.page-news .news-series {
  padding-top: clamp(44px, 7vw, 92px);
}

.page-news .news-series .title-lg {
  margin: 12px 0 16px;
  max-width: 20ch;
}

.page-news .series {
  display: grid;
  gap: 26px;
  margin-top: 30px;
}

.page-news .series__visual {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--tactic);
  overflow: hidden;
}

.page-news .series__visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: 0.9;
}

.page-news .series__visual figcaption {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 8px 14px;
  background: rgba(5, 18, 31, 0.85);
  border-top: 1px solid rgba(63, 224, 208, 0.25);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-news .series__reel {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(230px, 76%);
  gap: 16px;
  padding: 4px 6px 18px 4px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.page-news .series__reel:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: 4px;
}

.page-news .series__reel::-webkit-scrollbar { height: 6px; }
.page-news .series__reel::-webkit-scrollbar-track { background: rgba(22, 55, 79, 0.4); }
.page-news .series__reel::-webkit-scrollbar-thumb { background: var(--line); border-radius: 3px; }

.page-news .reel-card {
  scroll-snap-align: start;
  padding: 18px 18px 22px;
  border: 1px solid var(--line);
  background: linear-gradient(165deg, rgba(11, 36, 54, 0.95), rgba(5, 18, 31, 0.98));
  box-shadow: 10px 10px 0 -2px rgba(63, 224, 208, 0.06);
  transition: transform 0.32s var(--ease), box-shadow 0.32s var(--ease),
    border-color 0.32s var(--ease);
}

.page-news .reel-card:hover {
  transform: translateY(-3px);
  border-color: rgba(63, 224, 208, 0.4);
  box-shadow: 12px 12px 0 -2px rgba(63, 224, 208, 0.12);
}

.page-news .reel-card__index {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

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

.page-news .reel-card__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 更新节奏 ---------- */
.page-news .news-rhythm {
  padding-top: clamp(44px, 7vw, 92px);
}

.page-news .news-rhythm .title-lg {
  margin: 12px 0 28px;
  max-width: 22ch;
}

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

.page-news .rhythm__cell {
  padding: 22px 20px 26px;
  background: linear-gradient(180deg, rgba(11, 36, 54, 0.94), rgba(5, 18, 31, 0.97));
}

.page-news .rhythm__idx {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
  opacity: 0.8;
}

.page-news .rhythm__cell h3 {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-news .rhythm__cell p:last-child {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .rhythm__note {
  margin: 22px 0 0;
  max-width: 62ch;
  font-size: 13px;
  line-height: 1.9;
  color: var(--muted);
}

.page-news .rhythm__note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 760px) {
  .page-news .tnode {
    grid-template-columns: var(--news-scale) minmax(0, 1fr);
    gap: var(--news-gap);
    padding: 30px 0;
  }

  .page-news .tnode__scale {
    display: block;
    position: relative;
    padding: 0 18px 0 0;
    text-align: right;
  }

  .page-news .tnode__dot {
    position: absolute;
    right: -4px;
    top: 5px;
    width: 8px;
    height: 8px;
  }

  .page-news .tnode__when {
    display: block;
    line-height: 1.6;
  }

  .page-news .tnode__scale::after {
    content: "";
    position: absolute;
    right: 0;
    top: 16px;
    bottom: -30px;
    width: 1px;
    background: linear-gradient(180deg, rgba(63, 224, 208, 0.5), rgba(22, 55, 79, 0.75) 45%, rgba(22, 55, 79, 0.3));
  }

  .page-news .tnode:last-of-type .tnode__scale::after {
    bottom: 0;
  }

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

@media (min-width: 900px) {
  .page-news .pin {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  }

  .page-news .pin__figure {
    height: 100%;
  }

  .page-news .pin__figure img {
    height: 100%;
    aspect-ratio: auto;
    object-fit: cover;
  }

  .page-news .series {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: 34px;
    align-items: start;
  }

  .page-news .series__reel {
    grid-auto-columns: minmax(230px, 58%);
  }
}

@media (min-width: 980px) {
  .page-news .rhythm {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .tnode__dot,
  .page-news .tnode__title,
  .page-news .tnode__when,
  .page-news .reel-card {
    transition: none;
  }

  .page-news .reel-card:hover {
    transform: none;
  }
}