.page-news {
  --news-rule: rgba(11, 42, 74, .12);
  --news-rule-strong: rgba(11, 42, 74, .22);
  --news-accent: var(--ink);
  padding-bottom: clamp(40px, 7vw, 90px);
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumb {
  padding-top: clamp(16px, 3vw, 26px);
  padding-bottom: clamp(4px, 1vw, 10px);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
  padding: clamp(32px, 5.5vw, 66px) 0 clamp(36px, 6.5vw, 78px);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(115deg, rgba(255, 255, 255, .045) 0 1px, transparent 1px 22px);
  pointer-events: none;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  top: -30%;
  right: -14%;
  width: min(560px, 74vw);
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle, rgba(56, 189, 248, .24), rgba(56, 189, 248, 0) 62%);
  pointer-events: none;
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 5vw, 52px);
}

.page-news .news-hero .eyebrow {
  color: var(--electric);
  margin: 0;
}

.page-news .news-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 56px);
  line-height: 1.14;
  letter-spacing: -.02em;
  margin: 14px 0 0;
  max-width: 18ch;
}

.page-news .news-hero .lead {
  font-family: var(--font-body);
  font-size: var(--fs-17);
  line-height: 1.9;
  color: rgba(255, 255, 255, .78);
  margin: 18px 0 0;
  max-width: 46ch;
}

/* 置顶动态卡 */
.page-news .news-pin {
  position: relative;
  background: var(--ink-2);
  border: 1px solid rgba(255, 255, 255, .12);
  padding: clamp(20px, 3.4vw, 30px) clamp(20px, 3.4vw, 30px) clamp(18px, 3vw, 26px);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
}

.page-news .news-pin::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 26px;
  height: 26px;
  background: var(--orange);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.page-news .news-pin__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin: 0;
}

.page-news .news-pin__ver {
  font-size: var(--fs-12);
  letter-spacing: .12em;
  color: rgba(255, 255, 255, .62);
}

.page-news .news-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 12px;
  border: 1px solid var(--news-rule);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, .78);
  font-family: var(--font-ui);
  font-size: var(--fs-12);
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--ink);
}

.page-news .news-tag__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ink);
}

.page-news .news-tag--terms .news-tag__dot { background: var(--mint); }
.page-news .news-tag--app .news-tag__dot { background: var(--electric); }
.page-news .news-tag--network .news-tag__dot { background: var(--orange); }
.page-news .news-tag--field .news-tag__dot { background: var(--violet); }

.page-news .news-hero .news-tag {
  background: rgba(255, 255, 255, .10);
  border-color: rgba(255, 255, 255, .22);
  color: var(--white);
}

.page-news .news-pin__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(19px, 2.6vw, 24px);
  line-height: 1.42;
  margin: 16px 0 0;
  max-width: 22ch;
}

.page-news .news-pin__excerpt {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.9;
  color: rgba(255, 255, 255, .76);
  margin: 12px 0 0;
}

.page-news .news-pin__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(255, 255, 255, .18);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .06em;
  color: var(--mint);
}

/* ---------- 栏目筛选带 ---------- */
.page-news .news-band {
  background: var(--ink-2);
  padding: clamp(12px, 2vw, 18px) 0;
}

.page-news .news-band .filter-bar {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: 2px;
}

.page-news .news-band .filter-bar::-webkit-scrollbar { display: none; }

.page-news .news-band .filter-chip {
  flex: 0 0 auto;
  white-space: nowrap;
  font-family: var(--font-ui);
  font-size: var(--fs-14);
  font-weight: 500;
  color: rgba(255, 255, 255, .8);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: var(--radius-pill);
  padding: 8px 16px;
  cursor: pointer;
  transition: background .25s ease, color .25s ease, border-color .25s ease;
}

.page-news .news-band .filter-chip:hover {
  color: var(--white);
  border-color: rgba(255, 255, 255, .48);
}

.page-news .news-band .filter-chip[aria-pressed="true"] {
  background: var(--violet);
  border-color: var(--violet);
  color: var(--white);
}

/* ---------- 动态列表容器 ---------- */
.page-news .news-feed {
  display: grid;
  gap: clamp(44px, 8vw, 92px);
  padding-top: clamp(34px, 6vw, 68px);
}

.page-news [data-filter-item][hidden] {
  display: none;
}

/* ---------- 分类分组 ---------- */
.page-news .news-cluster {
  position: relative;
  display: grid;
  gap: clamp(16px, 3vw, 26px);
  padding-top: clamp(20px, 3vw, 34px);
}

.page-news .news-cluster::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 58px;
  height: 3px;
  background: var(--news-accent);
}

.page-news .news-cluster--terms { --news-accent: var(--mint); }
.page-news .news-cluster--app { --news-accent: var(--electric); }
.page-news .news-cluster--network { --news-accent: var(--orange); }
.page-news .news-cluster--field { --news-accent: var(--violet); }

.page-news .news-cluster__head {
  display: grid;
  gap: 10px;
}

.page-news .news-cluster__head .coord {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .16em;
  color: var(--grey);
}

.page-news .news-cluster__head .section-head {
  margin: 0;
  max-width: 26ch;
}

.page-news .news-cluster__head .date-stamp {
  font-size: var(--fs-12);
  white-space: nowrap;
  color: var(--mint-ink);
}

.page-news .news-cluster__media {
  margin: 0;
}

.page-news .news-cluster__media .media__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
}

/* ---------- 条款条目（左侧时间轴刻度） ---------- */
.page-news .news-list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 18px;
  border-left: 1px solid var(--news-rule);
  display: grid;
}

.page-news .news-item {
  position: relative;
  padding: 16px 0 18px;
  border-bottom: 1px dashed var(--news-rule);
  transition: background .25s ease;
}

.page-news .news-item:last-child {
  border-bottom: 0;
  padding-bottom: 4px;
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 24px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--grey);
}

.page-news .news-cluster--terms .news-item::before { border-color: var(--mint); }
.page-news .news-cluster--app .news-item::before { border-color: var(--electric); }
.page-news .news-cluster--network .news-item::before { border-color: var(--orange); }
.page-news .news-cluster--field .news-item::before { border-color: var(--violet); }

.page-news .news-item:hover {
  background: linear-gradient(90deg, rgba(255, 255, 255, .92), rgba(255, 255, 255, 0) 72%);
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .04em;
  color: var(--grey);
}

.page-news .news-item__ver {
  padding: 3px 9px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 600;
}

.page-news .news-cluster--terms .news-item__ver {
  color: var(--mint-ink);
  background: rgba(46, 196, 182, .14);
}

.page-news .news-cluster--app .news-item__ver {
  color: var(--ink-2);
  background: rgba(56, 189, 248, .18);
}

.page-news .news-cluster--network .news-item__ver {
  color: var(--ink);
  background: var(--orange-soft);
}

.page-news .news-cluster--field .news-item__ver {
  color: var(--violet);
  background: rgba(108, 79, 214, .12);
}

.page-news .news-item__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: var(--fs-21);
  line-height: 1.44;
  color: var(--ink);
  margin: 10px 0 0;
}

.page-news .news-item__desc {
  font-family: var(--font-body);
  font-size: var(--fs-17);
  line-height: 1.88;
  color: var(--graphite);
  margin: 8px 0 0;
  max-width: 62ch;
}

/* 修订前后对照 */
.page-news .news-diff {
  margin-top: 12px;
}

.page-news .news-diff > summary {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 6px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-ui);
  font-size: var(--fs-14);
  font-weight: 500;
  color: var(--ink);
}

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

.page-news .news-diff > summary::before {
  content: "";
  width: 14px;
  height: 14px;
  border: 1px solid var(--news-rule-strong);
  border-radius: 4px;
  background:
    linear-gradient(var(--ink), var(--ink)) center / 8px 1.5px no-repeat,
    linear-gradient(var(--ink), var(--ink)) center / 1.5px 8px no-repeat;
}

.page-news .news-diff[open] > summary::before {
  background: linear-gradient(var(--ink), var(--ink)) center / 8px 1.5px no-repeat;
}

.page-news .news-diff__grid {
  display: grid;
  gap: 14px;
  margin-top: 10px;
  padding: 16px 18px;
  background: rgba(255, 255, 255, .82);
  border: 1px solid var(--news-rule);
  border-left: 3px solid var(--mint);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.page-news .news-diff__col {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--graphite);
}

.page-news .news-diff__key {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-ui);
  font-size: var(--fs-12);
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--grey);
}

/* ---------- APP 版本记录 ---------- */
.page-news .news-versions {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-news .news-version {
  display: grid;
  gap: 6px 18px;
  padding: 16px 0;
  border-bottom: 1px dashed var(--news-rule);
}

.page-news .news-version:last-child { border-bottom: 0; }

.page-news .news-version__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-21);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-news .news-version--current .news-version__no {
  color: var(--orange);
}

.page-news .news-version__no small {
  display: block;
  margin-top: 2px;
  font-size: var(--fs-12);
  font-weight: 500;
  letter-spacing: .12em;
  color: var(--mint-ink);
}

.page-news .news-version__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: var(--fs-17);
  line-height: 1.5;
  color: var(--ink);
  margin: 0;
}

.page-news .news-version__desc {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  color: var(--graphite);
  margin: 6px 0 0;
  max-width: 60ch;
}

/* ---------- 网点调整 ---------- */
.page-news .news-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-news .news-point {
  display: grid;
  gap: 8px;
  padding: 16px 0;
  border-bottom: 1px dashed var(--news-rule);
}

.page-news .news-point:last-child { border-bottom: 0; }

.page-news .news-point__tag {
  position: relative;
  margin: 0;
  padding-left: 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .1em;
  color: var(--ink);
}

.page-news .news-point__tag::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange);
}

.page-news .news-point__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: var(--fs-17);
  line-height: 1.5;
  color: var(--ink);
  margin: 0;
}

.page-news .news-point__desc {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  color: var(--graphite);
  margin: 6px 0 0;
  max-width: 56ch;
}

/* ---------- 一线现场 ---------- */
.page-news .news-field {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
}

.page-news .news-field__shot {
  margin: 0;
}

.page-news .news-field__shot .media__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
}

.page-news .news-notes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-news .news-note {
  padding-left: 16px;
  border-left: 2px solid rgba(108, 79, 214, .34);
}

.page-news .news-note__q {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: var(--fs-17);
  line-height: 1.5;
  color: var(--ink);
  margin: 0;
}

.page-news .news-note__a {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  color: var(--graphite);
  margin: 6px 0 0;
}

/* ---------- 运行概况 ---------- */
.page-news .news-metrics-wrap {
  margin-top: clamp(40px, 7vw, 76px);
}

.page-news .news-metrics {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--news-rule);
  border: 1px solid var(--news-rule);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .news-metric {
  display: grid;
  gap: 6px;
  padding: clamp(16px, 2.6vw, 24px);
  background: var(--white);
}

.page-news .news-metric__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-28);
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-news .news-metric__num em {
  font-style: normal;
  font-size: var(--fs-14);
  font-weight: 500;
  letter-spacing: 0;
  color: var(--grey);
  margin-left: 2px;
}

.page-news .news-metric__label {
  margin: 0;
  font-family: var(--font-ui);
  font-size: var(--fs-14);
  line-height: 1.6;
  color: var(--grey);
}

/* ---------- 后续入口 ---------- */
.page-news .news-next {
  margin-top: clamp(28px, 5vw, 52px);
}

.page-news .news-next__panel {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
  padding: clamp(26px, 5vw, 52px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 34px), calc(100% - 34px) 100%, 0 100%);
}

.page-news .news-next__panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(115deg, rgba(255, 255, 255, .04) 0 1px, transparent 1px 24px);
  pointer-events: none;
}

.page-news .news-next__head {
  position: relative;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3.2vw, 34px);
  line-height: 1.3;
  letter-spacing: -.01em;
  margin: 0;
}

.page-news .news-next__links {
  position: relative;
  display: grid;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-news .news-next__link {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  border: 1px solid rgba(255, 255, 255, .16);
  color: var(--white);
  text-decoration: none;
  transition: border-color .25s ease, background .25s ease, transform .25s ease;
}

.page-news .news-next__link:hover,
.page-news .news-next__link:focus-visible {
  border-color: var(--orange);
  background: rgba(255, 107, 53, .14);
  transform: translateX(3px);
}

.page-news .news-next__label {
  font-family: var(--font-ui);
  font-size: var(--fs-17);
  font-weight: 600;
  color: var(--white);
}

.page-news .news-next__desc {
  font-family: var(--font-body);
  font-size: var(--fs-14);
  line-height: 1.8;
  color: rgba(255, 255, 255, .7);
}

/* ---------- 窄屏 ---------- */
@media (max-width: 420px) {
  .page-news .news-hero h1 { font-size: 28px; }
  .page-news .news-pin__title { font-size: 18px; }
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 700px) {
  .page-news .news-version {
    grid-template-columns: 108px minmax(0, 1fr);
    align-items: start;
    padding: 18px 0;
  }

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

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

@media (min-width: 720px) {
  .page-news .news-cluster__head {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
    column-gap: 24px;
  }

  .page-news .news-cluster__head > * { grid-column: 1; }

  .page-news .news-cluster__head .date-stamp {
    grid-column: 2;
    grid-row: 1 / span 2;
    justify-self: end;
    align-self: start;
    margin: 0;
  }

  .page-news .news-point {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 6px 22px;
    align-items: start;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: end;
  }

  .page-news .news-pin {
    margin-bottom: 4px;
  }

  .page-news .news-feed {
    gap: clamp(56px, 8vw, 96px);
  }

  .page-news .news-cluster__head .section-head {
    font-size: var(--fs-36);
  }
}

@media (min-width: 1000px) {
  .page-news .news-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-field {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    align-items: start;
    gap: clamp(24px, 4vw, 48px);
  }

  .page-news .news-field__shot {
    position: sticky;
    top: 96px;
  }

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