/* ===== 专题中心 / page-news ===== */
.page-news {
  --news-cut: 20px;
  --news-narrow: 760px;
  overflow-x: clip;
}

/* --- 首屏 --- */
.page-news .news-hero {
  position: relative;
  padding-top: calc(var(--header-h) + var(--s5));
  padding-bottom: var(--s5);
  overflow: hidden;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(110% 80% at 12% 0%, rgba(89, 225, 255, 0.10), transparent 58%),
    radial-gradient(85% 75% at 92% 6%, rgba(124, 92, 255, 0.14), transparent 62%),
    repeating-linear-gradient(90deg, transparent 0 119px, rgba(46, 58, 77, 0.35) 119px 120px);
  pointer-events: none;
}

.page-news .news-hero > .container {
  position: relative;
  z-index: 1;
}

.page-news .news-hero__top {
  display: grid;
  gap: var(--s3);
  margin-top: var(--s3);
}

.page-news .news-hero__kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--green);
}

.page-news .news-hero__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 12px rgba(61, 255, 166, 0.8);
}

.page-news .news-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(48px, 13vw, 118px);
  line-height: 0.94;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-news .news-hero__lead {
  margin: var(--s3) 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--gray);
}

.page-news .news-hero__side {
  display: none;
}

.page-news .news-cover {
  margin: var(--s5) 0 0;
  position: relative;
  overflow: hidden;
  background: var(--panel);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
}

.page-news .news-cover img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* --- 栏目分区 --- */
.page-news .news-cols-sec {
  padding-block: var(--s5) var(--s6);
}

.page-news .news-cols-sec .section-head,
.page-news .news-feed-sec .section-head,
.page-news .news-update-sec .section-head {
  max-width: var(--news-narrow);
  margin-bottom: var(--s4);
}

.page-news .news-cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-news .news-col {
  --col: var(--green);
  --col-soft: var(--green-soft);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: var(--s4) var(--s3) var(--s3);
  background:
    linear-gradient(180deg, var(--col-soft) 0%, transparent 48%),
    var(--panel);
  clip-path: polygon(0 0, calc(100% - var(--news-cut)) 0, 100% var(--news-cut), 100% 100%, 0 100%);
}

.page-news .news-col::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--col);
}

.page-news .news-col--a { --col: var(--green); --col-soft: var(--green-soft); }
.page-news .news-col--b { --col: var(--orange); --col-soft: var(--orange-soft); }
.page-news .news-col--c { --col: var(--purple); --col-soft: var(--purple-soft); }
.page-news .news-col--d { --col: var(--cyan); --col-soft: var(--cyan-soft); }

.page-news .news-col__code {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--col);
}

.page-news .news-col__name {
  margin: 0;
  font-size: 21px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--white);
}

.page-news .news-col__desc {
  margin: 0;
  flex: 1;
  font-size: 14px;
  line-height: 1.8;
  color: var(--gray);
}

.page-news .news-col__facts {
  list-style: none;
  margin: 0;
  padding: 12px 0 0;
  border-top: 1px solid var(--divider);
  display: grid;
  gap: 6px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--gray);
}

.page-news .news-col__facts li {
  display: flex;
  gap: 8px;
}

.page-news .news-col__facts span {
  flex: 0 0 auto;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--col);
}

.page-news .news-col__link {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  min-height: 44px;
  padding-bottom: 2px;
  font-size: 14px;
  font-weight: 500;
  color: var(--col);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  transition: color 180ms var(--ease), transform 180ms var(--ease);
}

.page-news .news-col__link:hover {
  color: var(--cyan);
  transform: translateX(4px);
}

/* --- 条目列表 --- */
.page-news .news-feed-sec {
  padding-block: var(--s5) var(--s6);
}

.page-news .news-feed__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s4);
}

.page-news .news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--divider);
}

.page-news .news-entry {
  --col: var(--green);
  border-bottom: 1px solid var(--divider);
}

.page-news .news-entry--a { --col: var(--green); }
.page-news .news-entry--b { --col: var(--orange); }
.page-news .news-entry--c { --col: var(--purple); }
.page-news .news-entry--d { --col: var(--cyan); }

.page-news .news-entry__sum {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 6px 14px;
  align-items: baseline;
  padding: 15px 6px;
  cursor: pointer;
  list-style: none;
  transition: transform 180ms var(--ease);
}

.page-news .news-entry__sum::-webkit-details-marker {
  display: none;
}

.page-news .news-entry__sum:hover {
  transform: translateX(4px);
}

.page-news .news-entry__code {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--col);
}

.page-news .news-entry__title {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.55;
  color: var(--white);
  transition: color 160ms var(--ease);
}

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

.page-news .news-entry__time {
  grid-column: 2;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gray);
}

.page-news .news-entry__body {
  padding: 0 6px 18px;
}

.page-news .news-entry__body p {
  margin: 0 0 10px;
  max-width: 66ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--gray);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 260ms var(--ease), transform 260ms var(--ease);
}

.page-news .news-entry__d[open] .news-entry__body p {
  opacity: 1;
  transform: none;
}

.page-news .news-entry__more {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-line);
}

.page-news .news-entry__more:hover {
  color: var(--white);
}

/* 右侧胶囊栏 */
.page-news .news-feed__rail {
  order: -1;
}

.page-news .news-rail__note {
  margin: var(--s3) 0 0;
  padding-top: var(--s2);
  border-top: 1px solid var(--divider);
  font-size: 13px;
  line-height: 1.75;
  color: var(--gray);
}

.page-news .news-rail__figure {
  margin: var(--s3) 0 0;
  overflow: hidden;
  background: var(--panel);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
}

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

/* --- 手册连载 --- */
.page-news .news-manual-sec {
  padding-block: var(--s6);
  background:
    linear-gradient(180deg, rgba(255, 122, 47, 0.06) 0%, transparent 46%),
    var(--panel);
}

.page-news .news-manual__top {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s4);
}

.page-news .news-manual__lead {
  margin: var(--s2) 0 var(--s3);
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--gray);
}

.page-news .news-manual__fig {
  margin: 0;
  overflow: hidden;
  background: var(--bg);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

.page-news .news-manual__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-news .news-series {
  list-style: none;
  margin: var(--s5) 0 0;
  padding: 0;
  border-top: 1px solid var(--divider);
}

.page-news .news-series__item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 4px 16px;
  padding: 18px 6px;
  border-bottom: 1px solid var(--divider);
}

.page-news .news-series__no {
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--orange);
}

.page-news .news-series__title {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--white);
}

.page-news .news-series__desc {
  margin: 0 0 6px;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--gray);
}

.page-news .news-series__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gray);
  opacity: 0.75;
}

/* --- 更新节奏 --- */
.page-news .news-update-sec {
  padding-block: var(--s6);
}

.page-news .news-update__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s5);
}

.page-news .news-update__timeline .timeline-time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--green);
}

.page-news .news-update__fig {
  margin: 0;
  overflow: hidden;
  background: var(--panel);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}

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

/* --- 线索与纠错 --- */
.page-news .news-tip-sec {
  padding-block: var(--s4) var(--s7);
}

.page-news .news-tip {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s3);
  padding: var(--s4) var(--s3);
  background:
    linear-gradient(135deg, var(--green-soft) 0%, transparent 56%),
    var(--panel);
  clip-path: polygon(0 0, calc(100% - var(--news-cut)) 0, 100% var(--news-cut), 100% 100%, var(--news-cut) 100%, 0 calc(100% - var(--news-cut)));
}

.page-news .news-tip h2 {
  margin: 0 0 10px;
  font-size: clamp(23px, 5vw, 32px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--white);
}

.page-news .news-tip__copy p {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--gray);
}

.page-news .news-tip__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-news .news-tip__mail {
  flex: 1 0 100%;
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
}

.page-news .news-tip__mail .num {
  color: var(--cyan);
  word-break: break-all;
}

/* --- 平板 --- */
@media (min-width: 720px) {
  .page-news .news-cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-cover img {
    aspect-ratio: 16 / 9;
  }

  .page-news .news-hero__lead {
    font-size: 17px;
  }

  .page-news .news-entry__sum {
    grid-template-columns: 72px minmax(0, 1fr) 140px;
    gap: 16px;
    padding: 16px 8px;
  }

  .page-news .news-entry__time {
    grid-column: 3;
    text-align: right;
  }

  .page-news .news-entry__body {
    padding: 0 8px 20px 96px;
  }
}

/* --- 桌面 --- */
@media (min-width: 900px) {
  .page-news .news-hero {
    padding-top: calc(var(--header-h) + var(--s6));
    padding-bottom: var(--s6);
  }

  .page-news .news-hero__top {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
    gap: var(--s5);
  }

  .page-news .news-hero__side {
    display: flex;
    justify-content: flex-end;
    padding-bottom: var(--s2);
  }

  .page-news .news-manual__top {
    grid-template-columns: minmax(0, 1fr) minmax(0, 400px);
    align-items: center;
    gap: var(--s5);
  }

  .page-news .news-update__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--s5);
    align-items: start;
  }

  .page-news .news-tip {
    grid-template-columns: minmax(0, 1fr) minmax(0, 340px);
    align-items: center;
    gap: var(--s5);
    padding: var(--s5);
  }
}

@media (min-width: 1000px) {
  .page-news .news-feed__layout {
    grid-template-columns: minmax(0, 8fr) minmax(0, 3fr);
    gap: var(--s5);
    align-items: start;
  }

  .page-news .news-feed__rail {
    order: 0;
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
}

@media (min-width: 1100px) {
  .page-news .news-cols {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
  }

  .page-news .news-col + .news-col {
    border-left: 1px solid var(--divider);
  }

  .page-news .news-series__item {
    grid-template-columns: 72px minmax(0, 1fr);
    padding: 20px 8px;
  }
}

/* --- 减弱动效 --- */
@media (prefers-reduced-motion: reduce) {
  .page-news .news-entry__sum,
  .page-news .news-col__link,
  .page-news .news-entry__title {
    transition: none;
  }

  .page-news .news-entry__sum:hover,
  .page-news .news-col__link:hover {
    transform: none;
  }

  .page-news .news-entry__body p {
    opacity: 1;
    transform: none;
    transition: none;
  }
}