/* ===== 页面：文章专栏（page-news） ===== */
.page-news {
  background: var(--blue-black);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
}

.page-news h1,
.page-news h2,
.page-news h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: 0.01em;
  color: var(--light);
  margin: 0;
}

.page-news h1 {
  font-size: 36px;
  letter-spacing: 0.02em;
  max-width: 820px;
}

.page-news h2 {
  font-size: 26px;
}

.page-news h3 {
  font-size: 20px;
  line-height: 1.2;
}

.page-news p {
  margin-top: 0;
}

.page-news a {
  transition: color var(--transition);
}

.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 24px 0 4px;
  font-size: 14px;
  color: var(--steel);
}

.page-news .breadcrumb a {
  color: var(--steel);
  text-decoration: none;
}

.page-news .breadcrumb a:hover {
  color: var(--blue-light);
}

.page-news .breadcrumb .sep {
  color: var(--blue-light);
  opacity: 0.65;
}

.page-news .breadcrumb [aria-current="page"] {
  color: var(--white);
}

.page-news .news-masthead {
  padding: 32px 0 40px;
  border-bottom: 1px solid rgba(163, 182, 197, 0.2);
}

.page-news .news-masthead__kicker {
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}

.page-news .news-masthead__lead {
  margin: 18px 0 0;
  font-size: 17px;
  color: var(--steel);
  max-width: 720px;
}

.page-news .news-masthead__rule {
  display: grid;
  grid-template-columns: 1fr 1.6fr 1fr;
  gap: 6px;
  height: 4px;
  margin-top: 28px;
  opacity: 0.9;
}

.page-news .news-masthead__rule span:nth-child(1) {
  background: var(--red);
}

.page-news .news-masthead__rule span:nth-child(2) {
  background: var(--blue-light);
}

.page-news .news-masthead__rule span:nth-child(3) {
  background: var(--gold);
}

.page-news .news-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding: 40px 0 8px;
}

.page-news .news-sidebar {
  background: var(--glass);
  border: 1px solid rgba(163, 182, 197, 0.18);
  border-radius: 10px;
  padding: 24px 20px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.page-news .news-sidebar__desc {
  font-size: 14px;
  color: var(--steel);
  margin: 8px 0 18px;
}

.page-news .cat-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-news .cat-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 10px 14px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: var(--steel);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  text-align: left;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.page-news .cat-item:hover {
  background: rgba(69, 123, 157, 0.25);
  color: var(--white);
}

.page-news .cat-item:focus-visible,
.page-news a:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-news .cat-item.is-active {
  background: var(--red);
  border-color: var(--red-dark);
  color: var(--white);
}

.page-news .cat-count {
  font-family: var(--font-data);
  font-size: 12px;
  opacity: 0.75;
}

.page-news .side-links {
  border-top: 1px solid rgba(163, 182, 197, 0.16);
  padding-top: 18px;
}

.page-news .side-links h3 {
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}

.page-news .side-links ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-news .side-links a {
  color: var(--steel);
  text-decoration: none;
  font-size: 15px;
}

.page-news .side-links a:hover {
  color: var(--blue-light);
}

.page-news .news-main__head {
  margin-bottom: 20px;
}

.page-news .news-main__desc {
  color: var(--steel);
  font-size: 15px;
  margin: 8px 0 0;
}

.page-news .news-lead-figure {
  border: 1px solid rgba(163, 182, 197, 0.2);
  border-radius: 10px;
  overflow: hidden;
  background: var(--blue);
  line-height: 0;
  margin: 0 0 28px;
}

.page-news .news-lead-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .article-card {
  position: relative;
  background: var(--blue);
  border: 1px solid rgba(163, 182, 197, 0.2);
  border-radius: 10px;
  padding: 22px 20px;
  margin-bottom: 24px;
  break-inside: avoid;
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.page-news .article-card:hover {
  transform: translateY(-2px);
  border-color: var(--red);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.28);
}

.page-news .article-card::after {
  content: "";
  position: absolute;
  top: -2px;
  right: -2px;
  width: 52px;
  height: 52px;
  pointer-events: none;
  background: linear-gradient(to bottom left, rgba(201, 162, 39, 0.55), transparent 55%);
  opacity: 0;
  transition: opacity var(--transition);
}

.page-news .article-card:hover::after {
  opacity: 1;
}

.page-news .article-card h3 {
  font-size: 21px;
  margin-bottom: 10px;
}

.page-news .article-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 13px;
}

.page-news .tag-label {
  display: inline-block;
  border-radius: 999px;
  border: 1px solid rgba(201, 162, 39, 0.35);
  background: rgba(201, 162, 39, 0.1);
  color: #e3c166;
  padding: 2px 10px;
  font-size: 12px;
  font-weight: 600;
}

.page-news .time-label {
  font-family: var(--font-data);
  color: var(--steel);
}

.page-news .article-card__excerpt {
  color: var(--steel);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 16px;
}

.page-news .article-card__flag {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 10px;
  border-left: 3px solid var(--red);
  padding-left: 8px;
}

.page-news .article-card--featured {
  border: 2px solid var(--red);
  background: linear-gradient(120deg, rgba(230, 57, 70, 0.14) 0%, rgba(29, 53, 87, 0.92) 46%), var(--blue);
  padding: 28px 24px;
  margin-bottom: 32px;
}

.page-news .article-card--featured h3 {
  font-size: 28px;
}

.page-news .article-card--featured .article-card__excerpt {
  font-size: 16px;
  max-width: 760px;
}

.page-news .article-card[data-filter-item="season"] .tag-label {
  background: rgba(230, 57, 70, 0.14);
  border-color: rgba(230, 57, 70, 0.4);
  color: #ff9ba2;
}

.page-news .article-card[data-filter-item="tutorial"] .tag-label {
  background: rgba(69, 123, 157, 0.16);
  border-color: rgba(69, 123, 157, 0.45);
  color: #a7d3e8;
}

.page-news .article-card[data-filter-item="archive"] .tag-label {
  background: rgba(201, 162, 39, 0.12);
  border-color: rgba(201, 162, 39, 0.45);
  color: #e6c76a;
}

.page-news .article-card[data-filter-item="changelog"] .tag-label {
  background: rgba(241, 244, 248, 0.08);
  border-color: rgba(241, 244, 248, 0.22);
  color: var(--white);
}

.page-news .article-grid {
  display: block;
}

.page-news .article-grid .article-card {
  display: inline-block;
  width: 100%;
}

.page-news .article-grid .article-card__excerpt {
  max-height: 6.8em;
  overflow: hidden;
  transition: max-height 0.25s ease;
}

.page-news .article-grid .article-card:hover .article-card__excerpt,
.page-news .article-grid .article-card:focus-within .article-card__excerpt {
  max-height: 12em;
}

.page-news .btn {
  margin-top: 8px;
}

.page-news .season-guide {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding: 56px 0 48px;
  border-top: 1px solid rgba(163, 182, 197, 0.2);
}

.page-news .num {
  font-family: var(--font-heading);
  font-size: 50px;
  line-height: 1;
  color: var(--gold);
  margin-bottom: 4px;
}

.page-news .season-guide__intro p:last-child,
.page-news .archive-spotlight__content p:last-child {
  color: var(--steel);
}

.page-news .season-guide__steps h3,
.page-news .archive-spotlight h2,
.page-news .version-log h2 {
  margin-bottom: 12px;
}

.page-news .season-guide__steps ol {
  padding-left: 20px;
  color: var(--steel);
  display: grid;
  gap: 10px;
}

.page-news .season-guide__steps li::marker {
  color: var(--gold);
  font-family: var(--font-data);
}

.page-news .season-guide__note {
  background: rgba(69, 123, 157, 0.12);
  border-left: 3px solid var(--blue-light);
  padding: 12px 16px;
  color: var(--steel);
  font-size: 15px;
}

.page-news .archive-spotlight {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding: 16px 0 48px;
}

.page-news .archive-spotlight__content {
  color: var(--steel);
}

.page-news .version-log {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding: 16px 0 48px;
  border-top: 1px solid rgba(163, 182, 197, 0.2);
}

.page-news .log-intro {
  color: var(--steel);
}

.page-news .log-timeline {
  margin: 8px 0 0;
  padding: 0;
}

.page-news .log-item {
  position: relative;
  border-left: 2px solid rgba(163, 182, 197, 0.25);
  margin: 0 0 20px;
  padding: 0 0 8px 24px;
}

.page-news .log-item::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 4px;
  width: 10px;
  height: 10px;
  background: var(--gold);
  border-radius: 2px;
  transform: rotate(45deg);
}

.page-news .log-item summary {
  cursor: pointer;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  list-style: none;
}

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

.page-news .log-version {
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-news .log-title {
  font-family: var(--font-heading);
  font-size: 19px;
  color: var(--light);
}

.page-news .log-detail {
  margin-top: 10px;
  color: var(--steel);
  font-size: 15px;
}

.page-news .news-contact {
  padding: 16px 0 72px;
}

.page-news .news-contact__inner {
  background: linear-gradient(135deg, rgba(201, 162, 39, 0.08), transparent 38%), var(--glass);
  border: 1px solid rgba(163, 182, 197, 0.18);
  border-radius: 12px;
  padding: 28px 24px;
}

.page-news .news-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 24px 0 18px;
}

.page-news .news-contact__note {
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--steel);
  margin-bottom: 0;
}

.page-news .media-frame {
  border: 1px solid rgba(163, 182, 197, 0.2);
  border-radius: 10px;
  overflow: hidden;
  background: var(--blue);
  line-height: 0;
  margin: 0;
}

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

@media (min-width: 720px) {
  .page-news h1 {
    font-size: 48px;
  }

  .page-news .season-guide,
  .page-news .archive-spotlight {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  .page-news .news-contact__inner {
    padding: 40px 48px;
  }
}

@media (min-width: 960px) {
  .page-news .news-layout {
    grid-template-columns: 260px 1fr;
    gap: 48px;
    align-items: start;
  }

  .page-news .news-sidebar {
    position: sticky;
    top: calc(var(--header-height) + 16px);
  }

  .page-news .article-grid {
    columns: 2;
    column-gap: 24px;
  }

  .page-news .season-guide {
    grid-template-columns: 1fr 1fr;
    gap: 32px 48px;
  }

  .page-news .season-guide__intro {
    grid-column: 1;
  }

  .page-news .season-guide__media {
    grid-column: 2;
    grid-row: 1 / span 2;
  }

  .page-news .season-guide__steps {
    grid-column: 1;
  }

  .page-news .archive-spotlight {
    gap: 48px;
  }

  .page-news .archive-spotlight__media {
    order: 1;
  }

  .page-news .version-log {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 32px 48px;
    align-items: start;
  }

  .page-news .version-log__intro,
  .page-news .log-timeline {
    grid-column: 1;
  }

  .page-news .version-log__media {
    grid-column: 2;
    grid-row: 1 / span 3;
    align-self: start;
  }
}