/* ===== 新闻动态页：非对称编辑部列表 ===== */
.page-news {
  --news-gutter: clamp(1.25rem, 3vw, 2.5rem);
  --news-line: 1px solid var(--ky-silver);
  background-color: var(--ky-fog);
  color: var(--ky-ink);
}

/* 首屏框景 */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 18%, rgba(79, 195, 247, 0.18), transparent 30%),
    linear-gradient(135deg, var(--ky-deep-blue), var(--ky-shadow-blue));
  border-bottom: 1px solid var(--ky-gold);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  top: -90px;
  right: -70px;
  width: 240px;
  height: 240px;
  border: 1px solid rgba(201, 162, 39, 0.4);
  border-radius: 50%;
  box-shadow:
    0 0 0 18px rgba(201, 162, 39, 0.07),
    0 0 0 36px rgba(201, 162, 39, 0.04);
  pointer-events: none;
}

.page-news .news-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--ky-space-3);
  padding: var(--ky-space-4) 0 var(--ky-space-6);
}

.page-news .news-hero .ky-section-label {
  color: var(--ky-gold);
}

.page-news .news-hero__side {
  display: flex;
  align-items: baseline;
  gap: var(--ky-space-2);
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
}

.page-news .news-hero__main h1 {
  margin: 0 0 var(--ky-space-2);
  color: #fff;
  font-size: var(--ky-fz-hero);
  letter-spacing: 0.02em;
}

.page-news .news-hero__main .ky-lead {
  max-width: 60ch;
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
}

.page-news .news-hero__status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--ky-space-3);
  margin-top: var(--ky-space-4);
  padding-top: var(--ky-space-3);
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

/* 最新动态 + 分类侧栏 */
.page-news .news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ky-space-5);
  align-items: start;
}

.page-news .news-cats__title {
  margin: 0 0 var(--ky-space-3);
  padding-bottom: var(--ky-space-2);
  font-size: var(--ky-fz-h4);
  border-bottom: var(--news-line);
}

.page-news .news-cats__nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ky-space-1);
}

.page-news .news-cats__link {
  display: inline-flex;
  align-items: center;
  gap: var(--ky-space-2);
  padding: 0.55rem 0.85rem;
  border: 1px solid transparent;
  border-left: 3px solid transparent;
  color: var(--ky-deep-blue);
  font-weight: 600;
  text-decoration: none;
  transition:
    background-color var(--ky-ease),
    border-color var(--ky-ease),
    color var(--ky-ease);
}

.page-news .news-cats__link:hover,
.page-news .news-cats__link.is-active {
  background: #fff;
  border-color: var(--ky-silver);
  border-left-color: var(--ky-gold);
  color: var(--ky-ink);
}

.page-news .news-cats__count {
  font-family: var(--ky-font-mono);
  font-size: 0.8rem;
  color: var(--ky-gold);
}

.page-news .news-cats__note {
  margin-top: var(--ky-space-4);
  padding-left: var(--ky-space-3);
  border-left: 2px solid var(--ky-gold);
  color: var(--ky-deep-blue);
  font-size: 0.875rem;
}

/* 条目流 */
.page-news .news-feed__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--ky-space-2);
  margin-bottom: var(--ky-space-4);
  padding-bottom: var(--ky-space-2);
  border-bottom: 2px solid var(--ky-deep-blue);
}

.page-news .news-feed__header h2 {
  margin: 0;
  font-size: var(--ky-fz-h2);
}

.page-news .news-feed__count {
  font-family: var(--ky-font-mono);
  font-size: 0.875rem;
  color: var(--ky-deep-blue);
}

.page-news .news-feed__count strong {
  font-size: 1.1rem;
  color: var(--ky-gold);
}

.page-news .news-feed__items {
  display: grid;
  gap: var(--ky-space-5);
}

/* 新闻卡片：时间轴 + 错位内容 */
.page-news .news-card {
  position: relative;
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: var(--ky-space-2);
  scroll-margin-top: 5rem;
}

.page-news .news-card::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 0;
  bottom: -1.25rem;
  width: 1px;
  background: var(--ky-silver);
}

.page-news .news-card:last-child::before {
  bottom: 8px;
}

.page-news .news-card__axis {
  position: relative;
  z-index: 1;
}

.page-news .news-card__dot {
  display: block;
  width: 12px;
  height: 12px;
  margin-top: 0.4rem;
  border: 2px solid var(--ky-gold);
  border-radius: 50%;
  background: var(--ky-fog);
  transition:
    background-color var(--ky-ease),
    transform var(--ky-ease);
}

.page-news .news-card:hover .news-card__dot {
  background: var(--ky-gold);
  transform: scale(1.15);
}

.page-news .news-card__body {
  padding: var(--ky-space-3);
  background: #fff;
  border: 1px solid var(--ky-silver);
  border-radius: var(--ky-radius);
  box-shadow: var(--ky-shadow-card);
  transition:
    box-shadow var(--ky-ease),
    transform var(--ky-ease);
}

.page-news .news-card:hover .news-card__body {
  box-shadow: var(--ky-shadow-hover);
  transform: translateY(-3px);
}

.page-news .news-card__body::before {
  content: "";
  display: block;
  width: 56px;
  height: 3px;
  margin-bottom: var(--ky-space-2);
  background: linear-gradient(90deg, var(--ky-gold), var(--ky-red));
}

.page-news .news-card__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--ky-space-2);
  margin-bottom: var(--ky-space-2);
}

.page-news .news-card__time {
  font-size: 0.8rem;
  color: rgba(11, 15, 25, 0.55);
}

.page-news .news-card__title {
  max-width: 30ch;
  margin: 0 0 var(--ky-space-2);
  font-size: 1.35rem;
  line-height: 1.3;
}

.page-news .news-card__summary {
  max-width: 68ch;
  margin: 0 0 var(--ky-space-3);
  margin-left: clamp(0.5rem, 2vw, 1.75rem);
  color: rgba(11, 15, 25, 0.78);
  line-height: 1.75;
}

.page-news .news-card__media {
  margin: var(--ky-space-3) 0;
  margin-left: clamp(0.5rem, 3vw, 3rem);
  border: 1px solid var(--ky-silver);
  background:
    linear-gradient(rgba(10, 31, 68, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 31, 68, 0.03) 1px, transparent 1px);
  background-size: 18px 18px;
}

.page-news .news-card__media img {
  display: block;
  width: 100%;
  height: auto;
}

/* 可展开内容 */
.page-news .ky-disclosure__toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--ky-space-2);
  padding: 0.5rem 0.25rem;
  background: none;
  border: none;
  color: var(--ky-deep-blue);
  font-family: var(--ky-font-sans);
  font-weight: 700;
  cursor: pointer;
}

.page-news .ky-disclosure__icon {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  border: 1px solid var(--ky-gold);
  border-radius: 50%;
}

.page-news .ky-disclosure__icon::before,
.page-news .ky-disclosure__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--ky-gold);
  transform: translate(-50%, -50%);
}

.page-news .ky-disclosure__icon::before {
  width: 8px;
  height: 2px;
}

.page-news .ky-disclosure__icon::after {
  width: 2px;
  height: 8px;
}

.page-news .ky-disclosure__toggle[aria-expanded="true"] .ky-disclosure__icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-news .ky-disclosure__panel {
  margin-top: var(--ky-space-2);
  padding-left: var(--ky-space-3);
  border-left: 2px solid var(--ky-gold);
}

.page-news .ky-disclosure__panel p {
  max-width: 62ch;
  margin: 0 0 var(--ky-space-2);
  color: rgba(11, 15, 25, 0.8);
  line-height: 1.7;
}

/* 热门专题 */
.page-news .news-topics {
  border-top: 1px solid var(--ky-gold);
  border-bottom: 1px solid var(--ky-gold);
  background: linear-gradient(180deg, var(--ky-deep-blue), var(--ky-shadow-blue) 45%, var(--ky-deep-blue));
  color: #fff;
}

.page-news .news-topics .ky-section-label {
  color: var(--ky-gold);
}

.page-news .news-topics__head {
  display: grid;
  gap: var(--ky-space-2);
  margin-bottom: var(--ky-space-4);
}

.page-news .news-topics__head .ky-section-title {
  margin: 0;
  color: #fff;
}

.page-news .news-topics__lead {
  max-width: 48ch;
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
}

.page-news .news-topics__grid {
  display: grid;
  gap: var(--ky-space-4);
}

.page-news .news-topic {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--ky-space-3);
  align-items: start;
}

.page-news .news-topic__rank {
  padding: 0.4rem 0.5rem;
  border: 1px solid rgba(201, 162, 39, 0.45);
  background: rgba(201, 162, 39, 0.1);
  color: var(--ky-gold);
  font-family: var(--ky-font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1;
}

.page-news .news-topic__title {
  margin: var(--ky-space-1) 0;
  color: #fff;
  font-size: var(--ky-fz-h4);
}

.page-news .news-topic__text {
  margin-bottom: var(--ky-space-2);
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.7;
}

.page-news .news-topic__link {
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(201, 162, 39, 0.5);
  color: var(--ky-gold);
  font-weight: 700;
  text-decoration: none;
  transition: border-color var(--ky-ease);
}

.page-news .news-topic__link:hover {
  border-bottom-color: var(--ky-gold);
}

/* 底部引导 */
.page-news .news-footnote {
  text-align: center;
}

.page-news .news-footnote a {
  color: var(--ky-deep-blue);
  font-weight: 600;
  text-decoration-color: var(--ky-gold);
  text-underline-offset: 3px;
}

/* 桌面断点 */
@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(150px, 200px) minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 4rem);
    padding-top: var(--ky-space-6);
  }

  .page-news .news-hero__side {
    padding-top: 0.35rem;
  }

  .page-news .news-layout {
    grid-template-columns: minmax(190px, 250px) minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.5rem);
  }

  .page-news .news-cats {
    position: sticky;
    top: 6rem;
  }

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

  .page-news .news-cats__link {
    display: flex;
    justify-content: space-between;
    width: 100%;
    padding: 0.75rem 0.5rem;
    border-left: 3px solid transparent;
  }

  .page-news .news-topics__head {
    grid-template-columns: 1fr auto;
    align-items: end;
  }

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

  .page-news .news-topics__grid > .news-topic:nth-child(2) {
    transform: translateY(1.5rem);
  }

  .page-news .news-topics__grid > .news-topic:nth-child(3) {
    transform: translateY(0.65rem);
  }
}