/* ===== 页面：最新动态 ===== */
.page-news {
  --news-card-bg: rgba(30, 58, 95, 0.38);
  --news-card-border: rgba(255, 255, 255, 0.08);
  --news-card-hover-border: rgba(245, 214, 35, 0.4);
  --news-line: rgba(0, 168, 232, 0.3);
  padding-bottom: clamp(80px, 10vw, 140px);
}

/* 页面标题区 */
.page-news .news-hero {
  position: relative;
  padding: clamp(64px, 9vw, 128px) 0 clamp(40px, 5vw, 72px);
  border-bottom: 1px solid var(--news-card-border);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, transparent 0%, rgba(245, 214, 35, 0.05) 40%, transparent 62%),
    radial-gradient(circle at 80% 16%, rgba(0, 168, 232, 0.12), transparent 44%);
  pointer-events: none;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1px;
  width: 34%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--emc-yellow));
}

.page-news .news-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 36px;
  margin-top: 30px;
}

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

.page-news .news-hero__title {
  font-family: var(--emc-font-heading);
  font-size: var(--emc-h1);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  text-wrap: balance;
  color: var(--emc-white);
  margin: 18px 0 18px;
}

.page-news .news-hero__desc {
  font-family: var(--emc-font-body);
  font-size: clamp(1rem, 1.4vw, 1.125rem);
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.66);
  max-width: 58ch;
  margin: 0;
}

.page-news .news-hero__aside {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 26px;
}

.page-news .news-hero__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  width: 100%;
  border-top: 1px solid var(--news-card-border);
  padding-top: 24px;
}

.page-news .news-hero__stat {
  padding: 16px;
  background: var(--news-card-bg);
  border: 1px solid var(--news-card-border);
  border-radius: var(--emc-radius);
  min-width: 0;
}

.page-news .news-hero__stat-num {
  display: block;
  font-family: var(--emc-font-data);
  font-size: clamp(1.65rem, 3vw, 2.25rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--emc-yellow);
}

.page-news .news-hero__stat-label {
  display: block;
  margin-top: 6px;
  font-size: var(--emc-small);
  color: var(--emc-silver);
  letter-spacing: 0.06em;
}

/* 主体两栏布局 */
.page-news .news-layout {
  display: grid;
  gap: clamp(44px, 5vw, 72px);
  margin-top: clamp(48px, 7vw, 88px);
  align-items: start;
}

/* 列表区头部 */
.page-news .news-feed {
  min-width: 0;
}

.page-news .news-feed__head {
  margin-bottom: 36px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--news-card-border);
}

.page-news .news-feed__title {
  font-family: var(--emc-font-heading);
  font-size: var(--emc-h3);
  font-weight: 900;
  color: var(--emc-white);
  margin: 8px 0 6px;
}

.page-news .news-feed__hint {
  font-family: var(--emc-font-data);
  font-size: 0.8125rem;
  color: var(--emc-silver);
  letter-spacing: 0.04em;
}

/* 时间线 */
.page-news .news-timeline {
  position: relative;
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-news .news-timeline::before {
  content: "";
  position: absolute;
  top: 6px;
  bottom: 6px;
  left: 11px;
  width: 1px;
  background: linear-gradient(180deg, var(--emc-yellow) 0%, var(--news-line) 18%, var(--news-line) 84%, transparent 100%);
}

/* 文章卡片 */
.page-news .news-card {
  position: relative;
  padding-left: 32px;
  min-width: 0;
}

.page-news .news-card__rail {
  position: absolute;
  left: 0;
  top: 24px;
  width: 24px;
  display: flex;
  justify-content: center;
  pointer-events: none;
}

.page-news .news-card__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--emc-yellow);
  box-shadow: 0 0 0 4px rgba(245, 214, 35, 0.16), 0 0 14px rgba(245, 214, 35, 0.35);
}

.page-news .news-card__details {
  list-style: none;
  border: 1px solid var(--news-card-border);
  background: var(--news-card-bg);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-radius: var(--emc-radius);
  transition: transform var(--emc-transition-base), border-color var(--emc-transition-fast), box-shadow var(--emc-transition-fast), background var(--emc-transition-fast);
}

.page-news .news-card__details:hover {
  transform: translateY(-3px);
  border-color: var(--news-card-hover-border);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
}

.page-news .news-card__details[open] {
  background: rgba(30, 58, 95, 0.56);
  border-color: rgba(245, 214, 35, 0.24);
}

.page-news .news-card__details summary {
  list-style: none;
  cursor: pointer;
}

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

.page-news .news-card__summary {
  display: block;
  padding: clamp(20px, 3vw, 28px);
}

.page-news .news-card__details[open] .news-card__summary {
  padding-bottom: 0;
}

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

.page-news .news-card__cat {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--emc-font-data);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--emc-yellow);
}

.page-news .news-card__cat::before {
  content: "";
  width: 14px;
  height: 2px;
  background: var(--emc-yellow);
}

.page-news .news-card__round {
  font-family: var(--emc-font-data);
  font-size: 0.75rem;
  color: var(--emc-silver);
  border: 1px solid var(--news-card-border);
  border-radius: 999px;
  padding: 4px 10px;
  letter-spacing: 0.03em;
}

.page-news .news-card__title {
  font-family: var(--emc-font-heading);
  font-size: clamp(1.25rem, 2vw, 1.625rem);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--emc-white);
  margin: 0 0 12px;
}

.page-news .news-card__excerpt {
  display: block;
  font-family: var(--emc-font-body);
  font-size: 0.9375rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.66);
  margin-bottom: 4px;
}

.page-news .news-card__media {
  display: block;
  margin: 18px 0 16px;
  overflow: hidden;
  border-radius: var(--emc-radius);
  line-height: 0;
}

.page-news .news-card__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform 0.55s var(--emc-ease-out);
}

.page-news .news-card:hover .news-card__img {
  transform: scale(1.02);
}

.page-news .news-card__toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--emc-font-data);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--emc-signal);
}

.page-news .news-card__toggle-label-open {
  display: none;
}

.page-news .news-card__details[open] .news-card__toggle-label {
  display: none;
}

.page-news .news-card__details[open] .news-card__toggle-label-open {
  display: inline;
}

.page-news .news-card__arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border: 1px solid rgba(0, 168, 232, 0.4);
  border-radius: 50%;
  font-size: 1rem;
  line-height: 1;
  transition: transform var(--emc-transition-base), background var(--emc-transition-fast), color var(--emc-transition-fast), border-color var(--emc-transition-fast);
}

.page-news .news-card__details[open] .news-card__arrow {
  transform: rotate(45deg);
  background: var(--emc-yellow);
  border-color: var(--emc-yellow);
  color: var(--emc-deep-space);
}

.page-news .news-card__body {
  margin: 0 clamp(20px, 3vw, 28px) clamp(24px, 3vw, 32px);
  padding: 20px 0 0;
  border-top: 1px dashed rgba(255, 255, 255, 0.12);
}

.page-news .news-card__body p {
  font-family: var(--emc-font-body);
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.72);
  margin: 0;
}

.page-news .news-card__body p + p {
  margin-top: 12px;
}

/* 侧栏 */
.page-news .news-side {
  display: grid;
  gap: 28px;
  min-width: 0;
}

.page-news .news-tags {
  background: rgba(30, 58, 95, 0.34);
  border: 1px solid var(--news-card-border);
  border-radius: var(--emc-radius);
  padding: clamp(20px, 3vw, 28px);
}

.page-news .news-tags h2,
.page-news .news-subscribe h2 {
  font-family: var(--emc-font-heading);
  font-size: 1.375rem;
  font-weight: 900;
  color: var(--emc-white);
  margin: 10px 0 12px;
}

.page-news .news-tags__desc {
  font-family: var(--emc-font-body);
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.58);
  margin: 0 0 20px;
}

.page-news .news-tags__cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .news-tags__tag {
  font-family: var(--emc-font-data);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  color: var(--emc-silver);
  background: rgba(5, 10, 19, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  padding: 8px 14px;
}

.page-news .news-tags__tag--hot {
  color: var(--emc-yellow);
  background: rgba(245, 214, 35, 0.06);
  border-color: rgba(245, 214, 35, 0.32);
}

.page-news .news-subscribe {
  background: var(--emc-deep-space);
  border: 1px solid var(--news-card-border);
  border-top: 2px solid var(--emc-yellow);
  border-radius: var(--emc-radius);
  padding: clamp(20px, 3vw, 28px);
}

.page-news .news-subscribe__desc {
  font-family: var(--emc-font-body);
  font-size: 0.9375rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.66);
  margin: 0 0 18px;
}

.page-news .news-subscribe__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .news-subscribe__note {
  font-family: var(--emc-font-body);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--emc-silver);
  margin: 18px 0 0;
}

.page-news .news-subscribe__note a {
  color: var(--emc-signal);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 168, 232, 0.3);
  transition: color var(--emc-transition-fast), border-color var(--emc-transition-fast);
}

.page-news .news-subscribe__note a:hover {
  color: var(--emc-yellow);
  border-color: var(--emc-yellow);
}

/* 桌面端布局 */
@media (min-width: 768px) {
  .page-news .news-hero__stats {
    gap: 14px;
  }

  .page-news .news-timeline::before {
    left: 19px;
  }

  .page-news .news-card {
    padding-left: 56px;
  }

  .page-news .news-card__rail {
    width: 40px;
  }

  .page-news .news-card__dot {
    width: 12px;
    height: 12px;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 64px;
    align-items: end;
    margin-top: 44px;
  }

  .page-news .news-hero__title {
    margin-top: 22px;
  }
}

@media (min-width: 1024px) {
  .page-news .news-layout {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 56px;
  }

  .page-news .news-side {
    position: sticky;
    top: calc(var(--emc-header-h) + 32px);
  }

  .page-news .news-side {
    display: grid;
    gap: 28px;
  }
}