.page-news {
  --news-gap: clamp(18px, 2.6vw, 34px);
  --stream-pad: clamp(16px, 2.2vw, 24px);
  background: var(--ink);
  color: var(--white);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-news .news-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(22px, 3vw, 38px);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}
.page-news .news-crumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}
.page-news .news-crumbs a:hover,
.page-news .news-crumbs a:focus-visible {
  color: var(--white);
  border-bottom-color: var(--orange);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding: calc(var(--head-h) + clamp(36px, 6vw, 84px)) 0 0;
  background:
    radial-gradient(120% 90% at 88% -12%, rgba(0, 229, 255, 0.13), transparent 58%),
    radial-gradient(82% 72% at 2% 4%, rgba(255, 107, 53, 0.13), transparent 62%),
    var(--ink);
}
.page-news .news-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  align-items: end;
}
.page-news .news-hero__intro {
  margin: 20px 0 0;
  max-width: 48ch;
  font-size: clamp(16px, 1.3vw, 18px);
  line-height: 1.8;
  color: var(--mist);
}
.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 30px 0 0;
}

.page-news .news-hero__panel {
  border: 1px solid var(--hairline);
  border-top: 3px solid var(--orange);
  background: linear-gradient(155deg, rgba(18, 46, 92, 0.82), rgba(5, 11, 26, 0.32));
  padding: clamp(18px, 2.2vw, 26px);
}
.page-news .news-panel__cap {
  margin: 0 0 14px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
}
.page-news .news-panel__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-news .news-panel__list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--hairline);
}
.page-news .news-panel__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.page-news .news-panel__n {
  font-family: var(--font-data);
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}
.page-news .news-panel__t {
  font-size: 14px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 横向节奏带 ---------- */
.page-news .news-track {
  margin-top: clamp(42px, 7vw, 86px);
  border-top: 1px solid var(--hairline);
  background: rgba(10, 31, 68, 0.55);
}
.page-news .news-track__inner {
  display: flex;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}
.page-news .track-node {
  position: relative;
  flex: 0 0 auto;
  width: clamp(178px, 20vw, 222px);
  padding: 26px clamp(16px, 1.6vw, 22px) 28px;
  border-right: 1px solid var(--hairline);
}
.page-news .track-node::before {
  content: "";
  position: absolute;
  top: -4px;
  left: clamp(16px, 1.6vw, 22px);
  width: 7px;
  height: 7px;
  background: var(--navy-2);
  border: 1px solid var(--cyan);
  transform: rotate(45deg);
}
.page-news .track-node:last-child::before {
  background: var(--orange);
  border-color: var(--orange);
}
.page-news .track-node__k {
  margin: 0;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
}
.page-news .track-node__v {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2vw, 26px);
  line-height: 1.1;
  color: var(--white);
}
.page-news .track-node__d {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 章节基础 ---------- */
.page-news .news-sec {
  padding: clamp(54px, 8vw, 106px) 0;
  border-top: 1px solid var(--hairline);
}
.page-news .news-sec--paper {
  background: var(--paper);
  color: var(--ink);
  border-top-color: var(--paper-line);
}
.page-news .news-sec__head {
  max-width: 64ch;
  margin-bottom: clamp(28px, 4vw, 46px);
}
.page-news .news-sec__lead {
  margin: 16px 0 0;
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 1.8;
  color: var(--mist);
}
.page-news .news-sec--paper .news-sec__lead {
  color: var(--paper-text);
}
.page-news .news-sec--paper .eyebrow {
  color: #2B3A56;
}

/* ---------- 编辑推荐 ---------- */
.page-news .pick-grid {
  display: grid;
  gap: var(--news-gap);
}
.page-news .pick {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2.4vw, 32px);
  border: 1px solid var(--hairline);
  border-top: 3px solid var(--bar, var(--orange));
  background: linear-gradient(180deg, rgba(18, 46, 92, 0.55), rgba(5, 11, 26, 0));
  transition: transform 0.22s ease, border-color 0.22s ease;
}
.page-news .pick:hover {
  transform: translateY(-4px);
  border-color: var(--cyan);
  border-top-color: var(--bar, var(--orange));
}
.page-news .pick--release { --bar: var(--orange); }
.page-news .pick--preview { --bar: var(--cyan); }
.page-news .pick--method { --bar: var(--gold); }
.page-news .pick__tag {
  align-self: flex-start;
  margin: 0;
  padding: 4px 10px;
  border: 1px solid currentColor;
  color: var(--bar, var(--orange));
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.12em;
}
.page-news .pick__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 1.9vw, 26px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--white);
}
.page-news .pick__sum {
  margin: 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}
.page-news .pick__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--hairline);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}
.page-news .pick__time {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
}

/* 暖白区内的推荐卡 */
.page-news .news-sec--paper .pick {
  background: #FFFFFF;
  border-color: var(--paper-line);
  border-top-color: var(--bar, var(--orange));
}
.page-news .news-sec--paper .pick:hover {
  border-color: var(--cyan);
  border-top-color: var(--bar, var(--orange));
}
.page-news .news-sec--paper .pick__title {
  color: var(--ink);
}
.page-news .news-sec--paper .pick__sum,
.page-news .news-sec--paper .pick__foot {
  color: var(--paper-text);
}
.page-news .news-sec--paper .pick__foot {
  border-top-color: var(--paper-line);
}
.page-news .news-sec--paper .pick__tag {
  color: #2B3A56;
  border-color: #C3CEDF;
}

/* ---------- 图片 ---------- */
.page-news .media {
  position: relative;
  margin: 0;
  border: 1px solid var(--hairline);
  background: var(--navy);
  overflow: hidden;
  box-shadow: inset 0 0 0 1px rgba(0, 229, 255, 0.1);
}
.page-news .media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: contrast(1.04) saturate(1.06);
}
.page-news .media__cap {
  margin: 0;
  padding: 12px 16px;
  border-top: 1px solid var(--hairline);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.05em;
  line-height: 1.6;
  color: var(--mist);
}
.page-news .news-cover {
  margin-bottom: clamp(26px, 3.4vw, 44px);
}
.page-news .news-preview__fig {
  margin-bottom: clamp(26px, 3.4vw, 44px);
}

/* ---------- 条目流 ---------- */
.page-news .note-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-news .note {
  position: relative;
  padding: 22px 0 22px var(--stream-pad);
  border-left: 2px solid var(--bar, var(--hairline));
  border-bottom: 1px solid var(--hairline);
  transition: background-color 0.2s ease;
}
.page-news .note:hover {
  background: rgba(0, 229, 255, 0.05);
}
.page-news .note--release { --bar: var(--orange); }
.page-news .note--preview { --bar: var(--cyan); }
.page-news .note--method { --bar: var(--gold); }
.page-news .note--archive { --bar: var(--mist); }

.page-news .note__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 16px;
}
.page-news .note__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(17px, 1.45vw, 21px);
  line-height: 1.36;
  letter-spacing: -0.01em;
  color: var(--white);
}
.page-news .note__time {
  flex: 0 0 auto;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
  font-variant-numeric: tabular-nums;
}
.page-news .note__sum {
  margin: 10px 0 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}
.page-news .note__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin: 14px 0 0;
}
.page-news .note__tag {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid currentColor;
  color: var(--bar, var(--orange));
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.1em;
  line-height: 1.4;
}
.page-news .note__by {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* ---------- 数据方法布局 ---------- */
.page-news .method-layout {
  display: grid;
  gap: var(--news-gap);
  align-items: start;
}
.page-news .method-layout__fig {
  margin-bottom: 8px;
}

/* ---------- 归档布局 ---------- */
.page-news .archive-layout {
  display: grid;
  gap: var(--news-gap);
  align-items: start;
}
.page-news .archive-layout__fig {
  margin-bottom: 8px;
}

/* ---------- 更新节奏 ---------- */
.page-news .rhythm {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--hairline);
}
.page-news .rhythm__row {
  display: grid;
  gap: 6px 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--hairline);
}
.page-news .rhythm__k {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
}
.page-news .rhythm__v {
  font-family: var(--font-data);
  font-size: 15px;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}
.page-news .rhythm__d {
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 结尾行动区 ---------- */
.page-news .news-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px 26px;
  margin-top: clamp(32px, 4.4vw, 54px);
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--orange);
  background: linear-gradient(112deg, rgba(255, 107, 53, 0.14), rgba(0, 229, 255, 0.07) 58%, transparent);
}
.page-news .news-cta__text {
  margin: 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}
.page-news .news-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
}

/* ---------- 滚动显现 ---------- */
.js .page-news [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.js .page-news [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 760px) {
  .page-news .rhythm__row {
    grid-template-columns: 120px 200px minmax(0, 1fr);
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-news .pick-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }
  .page-news .pick:nth-child(1) {
    grid-column: 1 / 8;
    grid-row: span 2;
  }
  .page-news .pick:nth-child(2) {
    grid-column: 8 / 13;
  }
  .page-news .pick:nth-child(3) {
    grid-column: 8 / 13;
  }
}

@media (min-width: 1000px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  }
  .page-news .method-layout {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  }
  .page-news .method-layout__fig {
    position: sticky;
    top: calc(var(--head-h) + 28px);
  }
  .page-news .archive-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr);
  }
  .page-news .archive-layout__fig {
    position: sticky;
    top: calc(var(--head-h) + 28px);
  }
}

@media (min-width: 1280px) {
  .page-news .news-hero__intro {
    font-size: 18px;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-news .pick,
  .page-news .note,
  .page-news .news-crumbs a {
    transition: none;
  }
  .page-news .pick:hover {
    transform: none;
  }
  .js .page-news [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------- 焦点可见 ---------- */
.page-news a:focus-visible,
.page-news button:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}