/* ========================================
   更新洞察页 · 页面专属样式
   作用域：.page-news
   ======================================== */

.page-news {
  background: var(--c-warm);
  color: var(--c-ink);
}

/* ---------- HERO ---------- */

.page-news .news-hero {
  position: relative;
  overflow: hidden;
  background: var(--c-deep);
  color: var(--c-warm);
  padding: 2rem 0 4rem;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: -7rem;
  right: -5rem;
  width: 20rem;
  height: 20rem;
  border-radius: 50%;
  border: 1px solid rgba(212, 175, 55, 0.35);
  pointer-events: none;
}

.page-news .news-hero::after {
  content: "INSIGHTS";
  position: absolute;
  right: 1rem;
  bottom: 0.75rem;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(2.5rem, 7vw, 5rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: rgba(255, 255, 255, 0.05);
  white-space: nowrap;
  pointer-events: none;
}

.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 3rem;
}

.page-news .breadcrumb a {
  color: rgba(247, 242, 234, 0.65);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-news .breadcrumb a:hover {
  color: var(--c-gold);
}

.page-news .breadcrumb-sep,
.page-news .breadcrumb-current {
  font-family: var(--font-sans);
  font-size: 0.75rem;
}

.page-news .breadcrumb-current {
  color: var(--c-gold);
}

.page-news .news-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2.5rem;
}

.page-news .news-hero__kicker {
  color: var(--c-gold);
  margin-bottom: 0.75rem;
}

.page-news .news-hero__title {
  margin: 0;
  color: var(--c-warm);
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.page-news .news-hero__panel {
  max-width: 36rem;
}

.page-news .news-hero__lead {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1.85;
  color: rgba(247, 242, 234, 0.85);
  border-left: 3px solid var(--c-gold);
  padding-left: 1.25rem;
  margin: 0 0 1.5rem;
}

.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.page-news .news-hero__cta {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--c-warm);
  border: 1px solid rgba(247, 242, 234, 0.45);
  padding: 0.65rem 1.25rem;
  text-decoration: none;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.page-news .news-hero__cta:hover {
  background: var(--c-gold);
  border-color: var(--c-gold);
  color: var(--c-deep);
}

/* ---------- 通用区块头 ---------- */

.page-news .section-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem 2rem;
  margin-bottom: 2.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--c-line);
}

.page-news .section-kicker {
  color: var(--c-gold);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 0 0 0.25rem;
}

.page-news .section-title {
  margin: 0;
  color: var(--c-deep);
  font-family: var(--font-sans);
  font-size: 2rem;
  font-weight: 900;
  line-height: 1.15;
}

.page-news .section-head__link,
.page-news .section-head__note {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--c-slate);
  white-space: nowrap;
}

.page-news .section-head__link {
  color: var(--c-deep);
  text-decoration: none;
  border-bottom: 2px solid var(--c-gold);
  padding-bottom: 2px;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-news .section-head__link:hover {
  color: var(--c-gold);
  border-color: var(--c-deep);
}

/* ---------- 最新更新 ---------- */

.page-news .news-updates {
  padding: 4rem 0 3rem;
}

.page-news .updates-layout {
  display: grid;
  gap: 2.5rem;
}

.page-news .updates-stream {
  position: relative;
  padding-left: 2.5rem;
  display: grid;
  gap: 1.5rem;
}

.page-news .updates-stream::before {
  content: "";
  position: absolute;
  left: 0.35rem;
  top: 0.1rem;
  bottom: 0.1rem;
  width: 2px;
  background: linear-gradient(to bottom, var(--c-gold) 0%, var(--c-lilac) 40%, var(--c-line) 100%);
}

.page-news .timeline-item {
  position: relative;
}

.page-news .timeline-item::before {
  content: "";
  position: absolute;
  left: -2.45rem;
  top: 1.1rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--c-gold);
  border: 3px solid var(--c-deep);
  box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.2);
  z-index: 1;
}

.page-news .timeline-card {
  background: #ffffff;
  border: 1px solid var(--c-line);
  border-radius: 4px;
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.page-news .timeline-card:hover {
  border-color: rgba(212, 175, 55, 0.45);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.page-news .timeline-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  margin-bottom: 0.8rem;
}

.page-news .timeline-card__time {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--c-slate);
}

.page-news .timeline-card__title {
  margin: 0 0 0.5rem;
  color: var(--c-deep);
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 900;
  line-height: 1.4;
}

.page-news .timeline-card__text {
  margin: 0 0 1.15rem;
  color: var(--c-slate);
  font-size: 0.95rem;
  line-height: 1.7;
}

.page-news .timeline-card__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.page-news .timeline-card__link {
  margin-left: auto;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--c-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--c-gold);
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-news .timeline-card__link:hover {
  color: var(--c-gold);
  border-color: var(--c-deep);
}

.page-news .updates-aside {
  display: grid;
  grid-template-rows: auto 1fr;
  background: var(--c-deep);
  color: var(--c-warm);
}

.page-news .updates-aside__visual {
  line-height: 0;
}

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

.page-news .updates-aside__body {
  padding: 1.5rem;
}

.page-news .updates-aside__body .section-kicker {
  color: var(--c-gold);
  margin-bottom: 0.4rem;
}

.page-news .updates-aside__body h3 {
  margin: 0 0 0.6rem;
  color: var(--c-warm);
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 900;
  line-height: 1.4;
}

.page-news .updates-aside__body p {
  margin: 0;
  color: rgba(247, 242, 234, 0.72);
  font-size: 0.9rem;
  line-height: 1.7;
}

.page-news .updates-aside__list {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-news .updates-aside__list li {
  position: relative;
  padding-left: 0.9rem;
  color: rgba(247, 242, 234, 0.78);
  font-family: var(--font-sans);
  font-size: 0.78rem;
  line-height: 1.5;
}

.page-news .updates-aside__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 5px;
  height: 5px;
  background: var(--c-gold);
}

/* ---------- 专题文章 ---------- */

.page-news .news-articles {
  padding: 3rem 0 4rem;
  background: linear-gradient(180deg, var(--c-warm) 0%, #ffffff 100%);
}

.page-news .articles-flow {
  display: grid;
  gap: 1.5rem;
}

.page-news .article-card {
  display: grid;
  background: #ffffff;
  border: 1px solid var(--c-line);
  border-radius: 4px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.page-news .article-card--alt {
  background: var(--c-deep);
  border-color: var(--c-deep);
}

.page-news .article-card--compact {
  background: var(--c-lilac);
  border-color: transparent;
}

.page-news .article-card__media {
  line-height: 0;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.page-news .article-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .article-card__media--visual {
  display: flex;
  align-items: stretch;
  justify-content: center;
  background: var(--c-deep);
}

.page-news .article-card__visual-art {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 160px;
}

.page-news .article-card__body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.6rem;
  padding: 1.5rem;
}

.page-news .article-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.2rem;
}

.page-news .article-card__date {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  color: var(--c-slate);
  letter-spacing: 0.05em;
}

.page-news .article-card--alt .article-card__date {
  color: var(--c-lilac);
}

.page-news .article-card__title {
  margin: 0;
  color: var(--c-deep);
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 900;
  line-height: 1.35;
}

.page-news .article-card--alt .article-card__title,
.page-news .article-card--compact .article-card__title,
.page-news .article-card--compact .article-card__title a {
  color: var(--c-deep);
}

.page-news .article-card--alt .article-card__title {
  color: var(--c-warm);
}

.page-news .article-card__title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-news .article-card__title a:hover {
  color: var(--c-gold);
}

.page-news .article-card--compact .article-card__title a:hover {
  color: var(--c-deep);
  text-decoration: underline;
}

.page-news .article-card__body p {
  margin: 0;
  color: var(--c-slate);
  font-size: 0.95rem;
  line-height: 1.7;
}

.page-news .article-card--alt .article-card__body p {
  color: rgba(247, 242, 234, 0.75);
}

.page-news .article-card--compact .article-card__body p {
  color: var(--c-deep);
}

.page-news .article-card__more {
  margin-top: 0.4rem;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--c-deep);
  text-decoration: none;
  border-bottom: 2px solid var(--c-gold);
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-news .article-card--alt .article-card__more {
  color: var(--c-warm);
}

.page-news .article-card--compact .article-card__more {
  color: var(--c-deep);
}

.page-news .article-card__more:hover {
  color: var(--c-gold);
  border-color: var(--c-deep);
}

.page-news .article-card--alt .article-card__more:hover {
  border-color: var(--c-gold);
}

/* 页面内 tag--gold 增强 */
.page-news .tag--gold {
  background: var(--c-gold);
  color: var(--c-deep);
  border-color: var(--c-gold);
}

/* ---------- 标签浏览 ---------- */

.page-news .news-tags {
  padding: 4rem 0;
  background: var(--c-deep);
  color: var(--c-warm);
}

.page-news .news-tags .section-head {
  border-bottom-color: rgba(255, 255, 255, 0.12);
}

.page-news .news-tags .section-title {
  color: var(--c-warm);
}

.page-news .news-tags .section-head__note {
  color: var(--c-lilac);
}

.page-news .tags-layout {
  display: grid;
  gap: 2rem;
}

.page-news .tags-visual {
  line-height: 0;
}

.page-news .tags-visual img {
  width: 100%;
  height: auto;
  display: block;
  filter: grayscale(15%) contrast(1.05);
}

.page-news .tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-content: flex-start;
}

.page-news .tags-item {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.55rem 1rem;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  color: var(--c-warm);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.page-news .tags-item:hover {
  background: var(--c-gold);
  border-color: var(--c-gold);
  color: var(--c-deep);
}

.page-news .tags-item__meta {
  font-size: 0.68rem;
  color: rgba(247, 242, 234, 0.55);
  transition: color 0.2s ease;
}

.page-news .tags-item:hover .tags-item__meta {
  color: rgba(10, 37, 64, 0.68);
}

/* ---------- 动态订阅 ---------- */

.page-news .news-subscribe {
  padding: 4rem 0;
  background: var(--c-warm);
}

.page-news .subscribe-panel {
  display: grid;
  align-items: center;
  gap: 1.5rem;
  padding: 1.5rem;
  background: #ffffff;
  border: 1px solid var(--c-line);
  border-radius: 4px;
  box-shadow: var(--shadow-card);
}

.page-news .subscribe-visual {
  line-height: 0;
}

.page-news .subscribe-visual img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 4px;
}

.page-news .subscribe-content h2 {
  margin: 0 0 0.75rem;
  color: var(--c-deep);
  font-family: var(--font-sans);
  font-size: 1.6rem;
  font-weight: 900;
  line-height: 1.25;
}

.page-news .subscribe-content p {
  margin: 0 0 1.25rem;
  color: var(--c-slate);
  font-size: 0.95rem;
  line-height: 1.7;
}

.page-news .subscribe-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.page-news .subscribe-links a {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--c-deep);
  text-decoration: none;
  border-bottom: 2px solid var(--c-gold);
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-news .subscribe-links a:hover {
  color: var(--c-gold);
  border-color: var(--c-deep);
}

/* ---------- 响应式 ---------- */

@media (min-width: 768px) {
  .page-news .news-hero {
    padding: 3rem 0 4.5rem;
  }

  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: end;
    column-gap: 4rem;
  }

  .page-news .news-hero__title {
    font-size: clamp(3rem, 5.5vw, 4.5rem);
  }

  .page-news .updates-layout {
    grid-template-columns: minmax(0, 1fr) 300px;
  }

  .page-news .articles-flow {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .article-card--featured {
    grid-column: 1 / -1;
    grid-template-columns: 300px 1fr;
  }

  .page-news .article-card--featured .article-card__body {
    padding: 2rem;
  }

  .page-news .tags-layout {
    grid-template-columns: 320px 1fr;
    align-items: center;
  }

  .page-news .subscribe-panel {
    grid-template-columns: 200px 1fr;
    padding: 2.5rem;
  }
}

@media (min-width: 1200px) {
  .page-news .updates-layout {
    grid-template-columns: minmax(0, 1fr) 340px;
  }

  .page-news .tags-layout {
    grid-template-columns: 400px 1fr;
  }

  .page-news .article-card--featured {
    grid-template-columns: 360px 1fr;
  }
}