/* ============ 服务动态 / news ============ */
.page-news {
  display: block;
  --news-line: rgba(44, 58, 110, .58);
  --news-gap: clamp(1.3rem, 4vw, 2.4rem);
}

/* ---------- 栏目题头 ---------- */
.page-news .news-masthead {
  padding-block: clamp(1.6rem, 5vw, 2.8rem) clamp(1.2rem, 3.5vw, 1.9rem);
  border-bottom: 1px solid var(--line);
}

.page-news .news-title {
  margin: .3rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.5rem, 10vw, 4.6rem);
  line-height: .96;
  letter-spacing: -.02em;
  color: var(--cloud);
}

.page-news .news-lede {
  max-width: 44rem;
  margin: 1rem 0 0;
  color: var(--slate);
  font-size: clamp(.98rem, 1.8vw, 1.05rem);
  line-height: 1.85;
}

.page-news .news-filters {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem .7rem;
  margin: 1.3rem 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-filter {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .4rem .78rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--slate);
  font-size: .82rem;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-news .news-filter .mono {
  color: var(--cyan);
  font-size: .71rem;
  letter-spacing: .06em;
}

.page-news .news-filter:hover,
.page-news .news-filter:focus-visible {
  color: var(--cloud);
  border-color: var(--cyan);
  background: var(--part-soft);
}

/* ---------- 主栅格 ---------- */
.page-news .news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--news-gap);
  padding-block: clamp(1.5rem, 4vw, 2.4rem) clamp(3rem, 8vw, 4.6rem);
}

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

/* ---------- 头条条目 ---------- */
.page-news .news-hero {
  margin: 0 0 clamp(2.2rem, 6vw, 3.4rem);
}

.page-news .news-hero__media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--cut);
  overflow: hidden;
  background: var(--panel);
}

.page-news .news-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

.page-news .news-hero__body {
  position: relative;
  z-index: 2;
  margin-top: -1px;
  padding: clamp(1.1rem, 3.5vw, 1.7rem);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  border-radius: var(--cut);
  background: linear-gradient(178deg, rgba(22, 32, 74, .92), rgba(5, 7, 15, .96));
}

.page-news .news-hero__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .8rem;
  margin: 0 0 .8rem;
}

.page-news .news-hero__time {
  color: var(--slate);
  font-size: .74rem;
  letter-spacing: .06em;
}

.page-news .news-hero__title {
  margin: 0 0 .75rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.6rem, 5.4vw, 2.5rem);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--cloud);
}

.page-news .news-hero__sum {
  margin: 0 0 1.2rem;
  max-width: 40rem;
  color: var(--slate);
  font-size: .97rem;
  line-height: 1.85;
}

/* ---------- 分类区块 ---------- */
.page-news .news-section {
  margin: 0 0 clamp(2.2rem, 6vw, 3.2rem);
  scroll-margin-top: 5rem;
}

.page-news .news-section__head {
  display: flex;
  align-items: baseline;
  gap: .7rem;
  padding-bottom: .55rem;
  margin-bottom: .4rem;
  border-bottom: 1px solid var(--line);
}

.page-news .news-section__no {
  color: var(--cyan);
  font-size: .78rem;
  letter-spacing: .1em;
}

.page-news .news-section__title,
.page-news .news-myths__title,
.page-news .news-sub__title,
.page-news .news-series__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.15rem, 3.2vw, 1.5rem);
  letter-spacing: -.01em;
  color: var(--cloud);
}

/* ---------- 列表条目 ---------- */
.page-news .news-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .85rem;
  padding: clamp(.9rem, 2.6vw, 1.2rem) 0;
  border-bottom: 1px solid var(--news-line);
}

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

.page-news .news-item__media {
  margin: 0;
  max-width: 17rem;
  border: 1px solid var(--line);
  border-radius: var(--cut);
  overflow: hidden;
  background: var(--panel);
}

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

.page-news .news-item__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .7rem;
  margin: 0 0 .45rem;
}

.page-news .news-item__time {
  flex: none;
  color: var(--slate);
  font-size: .73rem;
  letter-spacing: .05em;
}

.page-news .news-item__title {
  margin: 0 0 .35rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.02rem, 2.4vw, 1.2rem);
  line-height: 1.32;
  color: var(--cloud);
}

.page-news .news-item__title a {
  color: inherit;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .news-item__title a:hover,
.page-news .news-item__title a:focus-visible {
  color: var(--cyan-lift);
  border-bottom-color: var(--cyan);
}

.page-news .news-item__sum {
  margin: 0;
  max-width: 38rem;
  color: var(--slate);
  font-size: .94rem;
  line-height: 1.8;
}

/* ---------- 分类标签 ---------- */
.page-news .news-tag {
  display: inline-block;
  padding: .2rem .5rem;
  border: 1px solid currentColor;
  font-family: var(--font-mono);
  font-size: .67rem;
  line-height: 1.5;
  letter-spacing: .06em;
  white-space: nowrap;
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
}

.page-news .news-tag--ver { color: var(--cyan); }
.page-news .news-tag--rule { color: var(--amber); }
.page-news .news-tag--ops { color: var(--slate); }
.page-news .news-tag--scene { color: var(--cloud); }

/* ---------- 专题系列 ---------- */
.page-news .news-series {
  margin: 0 0 clamp(2.2rem, 6vw, 3.2rem);
}

.page-news .news-series__head {
  margin-bottom: 1rem;
}

.page-news .news-series__title {
  margin-top: .3rem;
}

.page-news .news-series__note {
  margin: .5rem 0 0;
  max-width: 36rem;
  color: var(--slate);
  font-size: .92rem;
  line-height: 1.8;
}

.page-news .news-series__rail {
  display: flex;
  gap: .9rem;
  padding: .3rem .2rem 1rem;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  background:
    repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 2.6rem) bottom / 100% 1px no-repeat,
    linear-gradient(180deg, var(--panel), rgba(22, 32, 74, .45));
  border: 1px solid var(--line);
  border-radius: var(--cut);
}

.page-news .news-series__rail:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-news .series-card {
  flex: 0 0 15.5rem;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: .4rem;
  padding: 1rem;
  border: 1px solid rgba(44, 58, 110, .8);
  border-radius: var(--cut);
  background: rgba(11, 18, 48, .78);
}

.page-news .series-card__media {
  margin: 0 0 .5rem;
  border: 1px solid var(--line);
  border-radius: calc(var(--cut) - 2px);
  overflow: hidden;
}

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

.page-news .series-card__count {
  margin: 0;
  color: var(--cyan);
  font-size: .72rem;
  letter-spacing: .08em;
}

.page-news .series-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.02rem;
  line-height: 1.3;
  color: var(--cloud);
}

.page-news .series-card__desc {
  margin: 0;
  color: var(--slate);
  font-size: .87rem;
  line-height: 1.75;
}

/* ---------- 常见误读 ---------- */
.page-news .news-myths {
  margin: 0 0 clamp(2.2rem, 6vw, 3.2rem);
  padding: clamp(1.1rem, 3.4vw, 1.7rem);
  border: 1px solid var(--line);
  border-radius: var(--cut);
  background: linear-gradient(160deg, rgba(22, 32, 74, .8), rgba(5, 7, 15, .9));
}

.page-news .news-myths__list {
  margin: 1.1rem 0 0;
}

.page-news .news-myth {
  padding: .95rem 0;
  border-top: 1px solid var(--news-line);
}

.page-news .news-myth:first-child {
  border-top: 0;
  padding-top: .3rem;
}

.page-news .news-myth dt {
  display: flex;
  align-items: baseline;
  gap: .6rem;
  margin: 0 0 .35rem;
  color: var(--cloud);
  font-size: .98rem;
  font-weight: 600;
  line-height: 1.6;
}

.page-news .news-myth__mark {
  flex: none;
  color: var(--magenta);
  font-size: .74rem;
  letter-spacing: .08em;
}

.page-news .news-myth dd {
  margin: 0 0 0 1.85rem;
  color: var(--slate);
  font-size: .92rem;
  line-height: 1.8;
}

/* ---------- 订阅与反馈 ---------- */
.page-news .news-sub {
  padding: clamp(1.2rem, 3.6vw, 1.8rem);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  border-radius: var(--cut);
  background: var(--panel);
}

.page-news .news-sub__lede {
  margin: .7rem 0 1.2rem;
  max-width: 40rem;
  color: var(--slate);
  font-size: .95rem;
  line-height: 1.85;
}

.page-news .news-sub__links {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .7rem;
}

.page-news .news-sub__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: .7rem;
  align-items: center;
  padding: .85rem .95rem;
  border: 1px solid var(--line);
  border-radius: var(--cut);
  background: rgba(11, 18, 48, .6);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-news .news-sub__no {
  grid-row: 1 / 3;
  color: var(--cyan);
  font-size: .8rem;
  letter-spacing: .08em;
}

.page-news .news-sub__label {
  color: var(--cloud);
  font-size: .96rem;
  font-weight: 600;
}

.page-news .news-sub__hint {
  color: var(--slate);
  font-size: .8rem;
}

.page-news .news-sub__link:hover,
.page-news .news-sub__link:focus-visible {
  border-color: var(--cyan);
  background: rgba(35, 230, 200, .08);
  transform: translateY(-2px);
}

/* ---------- 右侧更新刻度 ---------- */
.page-news .news-rail {
  border: 1px solid var(--line);
  border-radius: var(--cut);
  background: var(--panel);
  overflow: hidden;
}

.page-news .news-rail__inner {
  padding: 1rem 1rem 1.1rem;
}

.page-news .news-rail__head {
  margin: 0 0 .8rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: .95rem;
  letter-spacing: .04em;
  color: var(--cloud);
}

.page-news .news-rail__list {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-rail__list::before {
  content: "";
  position: absolute;
  top: .9rem;
  bottom: .9rem;
  left: .78rem;
  width: 1px;
  background: var(--line);
}

.page-news .news-rail__item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: .1rem .6rem;
  padding: .62rem .1rem .62rem 1.55rem;
  border-top: 1px solid var(--news-line);
}

.page-news .news-rail__item:first-child {
  border-top: 0;
}

.page-news .news-rail__item::before {
  content: "";
  position: absolute;
  left: .72rem;
  top: .95rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--slate);
}

.page-news .news-rail__item--ver::before { background: var(--cyan); }
.page-news .news-rail__item--rule::before { background: var(--amber); }
.page-news .news-rail__item--ops::before { background: var(--slate); }
.page-news .news-rail__item--scene::before { background: var(--cloud); }

.page-news .news-rail__cat {
  grid-column: 1 / -1;
  color: var(--slate);
  font-size: .7rem;
  letter-spacing: .07em;
}

.page-news .news-rail__title {
  min-width: 0;
  color: var(--cloud);
  font-size: .87rem;
  line-height: 1.5;
}

.page-news .news-rail__time {
  flex: none;
  color: var(--cyan);
  font-size: .68rem;
  letter-spacing: .04em;
  white-space: nowrap;
}

.page-news .news-rail__foot {
  margin: .9rem 0 0;
  padding-top: .8rem;
  border-top: 1px solid var(--news-line);
  color: var(--slate);
  font-size: .76rem;
  line-height: 1.7;
}

/* ---------- 平板：条目行内排布 ---------- */
@media (min-width: 40rem) {
  .page-news .news-item--media {
    grid-template-columns: 10rem minmax(0, 1fr);
    gap: 1.2rem;
    align-items: start;
  }

  .page-news .news-item__media {
    max-width: none;
  }

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

/* ---------- 桌面：主列 + 跟随刻度栏 ---------- */
@media (min-width: 60rem) {
  .page-news .news-layout {
    grid-template-columns: minmax(0, 1.95fr) minmax(12.5rem, .85fr);
    align-items: start;
  }

  .page-news .news-hero__body {
    margin: -6.5rem clamp(.9rem, 3vw, 2.4rem) 0;
    padding: clamp(1.3rem, 2.4vw, 1.9rem);
  }

  .page-news .news-rail {
    position: sticky;
    top: 1.5rem;
  }

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

/* ---------- 动效退让 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-news .news-item__title a,
  .page-news .news-filter,
  .page-news .news-sub__link {
    transition: none;
  }

  .page-news .news-sub__link:hover,
  .page-news .news-sub__link:focus-visible {
    transform: none;
  }

  .page-news .news-series__rail {
    scroll-behavior: auto;
  }
}