/* ============ PAGE — 文章中心 ============ */
.page-news {
  --news-gap: 24px;
  --news-border: 3px solid var(--lt-ink);
  --news-shadow: 6px 6px 0 var(--lt-ink);
  --news-shadow-sm: 3px 3px 0 var(--lt-ink);
  background: var(--lt-cream);
  color: var(--lt-ink);
  font-family: var(--lt-font-body);
  overflow-x: hidden;
}

.page-news [id] {
  scroll-margin-top: 96px;
}

/* ---------- breadcrumb ---------- */
.page-news__breadcrumb {
  padding-block: 22px 0;
}

/* ---------- hero ---------- */
.page-news__hero {
  position: relative;
  padding-block: 28px 36px;
  border-bottom: var(--news-border);
}

.page-news__hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 28px;
  height: 100%;
  background: repeating-linear-gradient(
    135deg,
    var(--lt-ink) 0 6px,
    var(--lt-gold) 6px 12px
  );
  opacity: .9;
  pointer-events: none;
}

.page-news__hero-inner {
  position: relative;
  z-index: 1;
}

.page-news__hero h1 {
  font-family: var(--lt-font-title);
  font-size: clamp(34px, 7vw, 68px);
  line-height: 1.05;
  letter-spacing: -.02em;
  max-width: 15em;
  margin-top: 12px;
}

.page-news__hero-lead {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
}

.page-news__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* ---------- buttons ---------- */
.page-news__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: var(--news-border);
  background: var(--lt-gold);
  color: var(--lt-ink);
  box-shadow: var(--news-shadow-sm);
  padding: 13px 16px;
  font-weight: 800;
  font-size: 14px;
  line-height: 1;
  text-decoration: none;
  transition:
    background-color .18s ease,
    color .18s ease,
    box-shadow .18s ease,
    transform .18s ease;
}

.page-news__cta:hover {
  background: var(--lt-blue);
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--lt-ink);
}

.page-news__cta--ghost {
  background: transparent;
  box-shadow: none;
}

/* ---------- layout ---------- */
.page-news__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
  padding-block: 44px 20px;
}

@media (min-width: 1024px) {
  .page-news__layout {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }
}

/* ---------- sidebar ---------- */
.page-news__sidebar {
  display: grid;
  gap: 28px;
  align-content: start;
}

.page-news__panel {
  border: var(--news-border);
  background: var(--lt-cream);
  box-shadow: var(--news-shadow);
  padding: 20px;
}

.page-news__panel-title {
  font-family: var(--lt-font-title);
  font-size: 22px;
  line-height: 1.2;
  margin-top: 10px;
}

.page-news__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.page-news__filter-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 2px solid var(--lt-ink);
  background: transparent;
  color: var(--lt-ink);
  padding: 9px 12px;
  font-size: 13px;
  font-weight: 800;
  line-height: 1;
  text-decoration: none;
  transition:
    background-color .16s ease,
    box-shadow .16s ease,
    transform .16s ease;
}

.page-news__filter-link:hover {
  background: var(--lt-blue);
  box-shadow: 4px 4px 0 var(--lt-ink);
  transform: translate(-2px, -2px);
}

.page-news__filter-link--all {
  background: var(--lt-gold);
  box-shadow: 3px 3px 0 var(--lt-ink);
}

.page-news__filter-num {
  font-family: var(--lt-font-mono);
  font-size: 11px;
  opacity: .7;
}

/* ---------- stats ---------- */
.page-news__stats-media {
  margin-top: 16px;
  border: 2px solid var(--lt-ink);
}

.page-news__stats-media img {
  display: block;
  width: 100%;
  height: auto;
}

.page-news__stats-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news__stats-list li {
  border-left: 4px solid var(--lt-flame);
  background: rgba(245, 197, 24, .16);
  padding: 10px 12px;
  font-size: 13px;
  line-height: 1.55;
}

.page-news__stats-list strong {
  font-family: var(--lt-font-mono);
  font-size: 16px;
}

.page-news__text-link {
  display: inline-block;
  margin-top: 14px;
  font-weight: 800;
  font-size: 14px;
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color .16s ease;
}

.page-news__text-link:hover {
  color: var(--lt-flame);
}

/* ---------- stream ---------- */
.page-news__stream {
  display: grid;
  gap: 52px;
  min-width: 0;
  scroll-margin-top: 40px;
}

/* ---------- featured ---------- */
.page-news__featured-card {
  border: var(--news-border);
  background: var(--lt-night);
  color: var(--lt-cream);
  box-shadow: var(--news-shadow);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  overflow: hidden;
}

.page-news__featured-media img {
  display: block;
  width: 100%;
  height: auto;
}

.page-news__featured-body {
  border-top: var(--news-border);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-news__card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news__card-tag {
  display: inline-block;
  border: 2px solid var(--lt-ink);
  background: var(--lt-gold);
  color: var(--lt-ink);
  padding: 6px 10px;
  font-weight: 800;
  font-size: 12px;
  line-height: 1;
}

.page-news__mono {
  font-family: var(--lt-font-mono);
  font-size: 12px;
  opacity: .7;
}

.page-news__featured-card h2 {
  font-family: var(--lt-font-title);
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.15;
}

.page-news__featured-card p {
  font-size: 15px;
  line-height: 1.75;
  color: rgba(250, 243, 232, .84);
}

.page-news__card-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 6px;
}

@media (min-width: 900px) {
  .page-news__featured-card {
    grid-template-columns: 1.1fr 1fr;
  }

  .page-news__featured-body {
    border-top: 0;
    border-left: var(--news-border);
  }
}

/* ---------- section head ---------- */
.page-news__section-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 12px;
  border-bottom: var(--news-border);
  padding-bottom: 14px;
  margin-bottom: 24px;
}

.page-news__block-title {
  font-family: var(--lt-font-title);
  font-size: 28px;
  line-height: 1.2;
  margin-top: 8px;
}

.page-news__section-note {
  font-family: var(--lt-font-mono);
  font-size: 12px;
  color: rgba(31, 26, 23, .6);
}

/* ---------- masonry ---------- */
.page-news__masonry {
  columns: 1;
  column-gap: var(--news-gap);
}

.page-news__post-card {
  break-inside: avoid;
  margin: 0 0 var(--news-gap);
  border: var(--news-border);
  background: var(--lt-cream);
  box-shadow: var(--news-shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition:
    border-color .18s ease,
    box-shadow .18s ease,
    transform .18s ease;
}

.page-news__post-card:hover {
  border-color: var(--lt-blue);
  box-shadow: 8px 8px 0 var(--lt-night);
  transform: translate(-2px, -2px);
}

.page-news__post-card:target {
  box-shadow: 8px 8px 0 var(--lt-blue);
}

.page-news__post-media {
  border-bottom: 3px solid var(--lt-ink);
}

.page-news__post-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news__post-body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.page-news__post-body--compact {
  gap: 10px;
}

.page-news__post-card h3 {
  font-family: var(--lt-font-title);
  font-size: 19px;
  line-height: 1.25;
}

.page-news__post-card p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(31, 26, 23, .84);
}

.page-news__post-body .page-news__text-link {
  margin-top: auto;
}

/* ---------- read more cue ---------- */
.page-news__read-more {
  display: inline-block;
  align-self: flex-start;
  font-family: var(--lt-font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  border-bottom: 2px solid transparent;
  transition:
    color .16s ease,
    border-color .16s ease;
}

.page-news__read-more::after {
  content: " →";
  display: inline-block;
  transition: transform .16s ease;
}

.page-news__post-card:hover .page-news__read-more,
.page-news__read-more:hover {
  border-color: var(--lt-blue);
  color: var(--lt-blue);
}

.page-news__post-card:hover .page-news__read-more::after,
.page-news__read-more:hover::after {
  transform: translateX(4px);
}

.page-news__featured-card .page-news__read-more {
  color: var(--lt-gold);
  border-bottom-color: rgba(245, 197, 24, .45);
}

.page-news__featured-card:hover .page-news__read-more,
.page-news__featured-card .page-news__read-more:hover {
  border-color: var(--lt-blue);
  color: var(--lt-blue);
}

/* ---------- category filtering with :target ---------- */
.page-news__layout:has(#category-notice:target) .page-news__featured-card:not(.page-news__featured-card--notice),
.page-news__layout:has(#category-notice:target) .page-news__post-card:not(.page-news__post-card--notice),
.page-news__layout:has(#category-event:target) .page-news__featured-card:not(.page-news__featured-card--event),
.page-news__layout:has(#category-event:target) .page-news__post-card:not(.page-news__post-card--event),
.page-news__layout:has(#category-guide:target) .page-news__featured-card:not(.page-news__featured-card--guide),
.page-news__layout:has(#category-guide:target) .page-news__post-card:not(.page-news__post-card--guide),
.page-news__layout:has(#category-release:target) .page-news__featured-card:not(.page-news__featured-card--release),
.page-news__layout:has(#category-release:target) .page-news__post-card:not(.page-news__post-card--release),
.page-news__layout:has(#category-insight:target) .page-news__featured-card:not(.page-news__featured-card--insight),
.page-news__layout:has(#category-insight:target) .page-news__post-card:not(.page-news__post-card--insight) {
  display: none;
}

/* ---------- topics ---------- */
.page-news__topics {
  background: var(--lt-night);
  color: var(--lt-cream);
  padding-block: 48px 52px;
  border-block: var(--news-border);
}

.page-news__topics .page-news__section-head {
  border-bottom-color: rgba(250, 243, 232, .32);
}

.page-news__topics .page-news__block-title {
  color: var(--lt-cream);
}

.page-news__topics .page-news__section-note {
  color: rgba(250, 243, 232, .6);
}

.page-news__topics-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

@media (min-width: 700px) {
  .page-news__topics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-news__topics-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-news__topic-card {
  border: 3px solid var(--lt-cream);
  padding: 22px;
  min-height: 180px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: 5px 5px 0 rgba(0, 0, 0, .3);
}

.page-news__topic-card--dark {
  background: var(--lt-night);
  border-color: var(--lt-cream);
}

.page-news__topic-card--gold {
  background: var(--lt-gold);
  border-color: var(--lt-cream);
  color: var(--lt-ink);
}

.page-news__topic-card--blue {
  background: var(--lt-blue);
  border-color: var(--lt-ink);
  color: var(--lt-ink);
}

.page-news__topic-num {
  font-family: var(--lt-font-mono);
  font-size: 13px;
}

.page-news__topic-card h3 {
  font-family: var(--lt-font-title);
  font-size: 21px;
  line-height: 1.2;
}

.page-news__topic-card p {
  font-size: 13px;
  line-height: 1.75;
  opacity: .86;
}

.page-news__underline-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 800;
  font-size: 14px;
  text-decoration: underline;
  text-underline-offset: 4px;
  margin-top: auto;
  transition: color .16s ease;
}

.page-news__topic-card--gold .page-news__underline-link:hover,
.page-news__topic-card--blue .page-news__underline-link:hover {
  color: var(--lt-flame);
}

.page-news__topic-card--dark .page-news__underline-link {
  color: var(--lt-gold);
}

.page-news__topic-card--dark .page-news__underline-link:hover {
  color: var(--lt-blue);
}

/* ---------- calendar ---------- */
.page-news__calendar {
  padding-block: 48px 56px;
}

.page-news__calendar-texture {
  border: var(--news-border);
  margin-bottom: 20px;
}

.page-news__calendar-texture img {
  display: block;
  width: 100%;
  height: auto;
}

.page-news__calendar-list {
  display: grid;
  gap: 14px;
}

.page-news__calendar-item {
  border: var(--news-border);
  background: var(--lt-cream);
  box-shadow: var(--news-shadow-sm);
}

.page-news__calendar-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 16px 18px;
  font-family: var(--lt-font-title);
  font-weight: 700;
  font-size: 17px;
  transition: background-color .16s ease;
}

.page-news__calendar-item summary:hover {
  background: rgba(255, 94, 10, .08);
}

.page-news__calendar-item summary::-webkit-details-marker {
  display: none;
}

.page-news__calendar-item summary::after {
  content: "+";
  font-family: var(--lt-font-mono);
  font-size: 20px;
  font-weight: 700;
}

.page-news__calendar-item[open] summary::after {
  content: "−";
}

.page-news__calendar-detail {
  border-top: 2px solid var(--lt-ink);
  padding: 16px 18px;
}

.page-news__calendar-detail p {
  font-size: 14px;
  line-height: 1.75;
}

/* ---------- responsive ---------- */
@media (min-width: 760px) {
  .page-news__masonry {
    columns: 2;
  }
}

@media (min-width: 1200px) {
  .page-news__masonry {
    columns: 3;
  }
}