.page-news {
  --news-muted: #6B7280;
  --news-line: #DCE5EB;
  --news-tl-width: 40px;
}

.page-news {
  background: var(--color-gray);
  overflow-x: hidden;
}

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

.page-news h1,
.page-news h2,
.page-news h3 {
  font-family: var(--font-headline);
  font-weight: 800;
  line-height: 1.25;
  color: var(--color-gray-dark);
}

@media (prefers-reduced-motion: no-preference) {
  .page-news {
    animation: newsFadeIn 0.6s ease-out both;
  }
}

@keyframes newsFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ===================== Hero ===================== */
.page-news .news-hero {
  position: relative;
  background: linear-gradient(135deg, var(--color-blue) 0%, var(--color-blue-deep) 62%, var(--color-orange) 145%);
  color: var(--color-white);
  padding: 40px 0 52px;
  overflow: hidden;
}

.page-news .news-hero-tex {
  position: absolute;
  top: -60px;
  right: -120px;
  width: 520px;
  max-width: 72%;
  opacity: 0.2;
  filter: saturate(0.65) contrast(1.1);
  transform: rotate(-8deg);
  pointer-events: none;
}

.page-news .breadcrumb {
  position: relative;
  z-index: 1;
  margin-bottom: 30px;
}

.page-news .breadcrumb .crumb-link {
  color: rgba(255, 255, 255, 0.78);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--duration) ease;
}

.page-news .breadcrumb .crumb-link:hover {
  color: var(--color-yellow);
}

.page-news .breadcrumb .crumb-sep {
  color: rgba(255, 255, 255, 0.5);
  margin: 0 8px;
}

.page-news .breadcrumb .crumb-current {
  color: var(--color-yellow);
  font-weight: 700;
  font-size: 0.9rem;
}

.page-news .news-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: end;
}

.page-news .news-kicker {
  display: inline-block;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: var(--color-yellow);
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.page-news .news-hero-text h1 {
  color: var(--color-white);
  font-size: clamp(1.9rem, 4.6vw, 3rem);
  margin-bottom: 14px;
}

.page-news .news-hero-lead {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.02rem;
  line-height: 1.7;
  max-width: 620px;
  margin-bottom: 22px;
}

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

.page-news .news-hero-actions .btn-primary,
.page-news .news-hero-actions .btn-outline {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  text-decoration: none;
  border-radius: 8px;
  transition: transform var(--duration) ease, box-shadow var(--duration) ease;
}

.page-news .news-hero-actions .btn-primary {
  background: var(--color-orange);
  color: var(--color-white);
  border: 1px solid var(--color-orange);
}

.page-news .news-hero-actions .btn-outline {
  border: 1px solid var(--color-yellow);
  color: var(--color-yellow);
  background: transparent;
}

.page-news .news-hero-actions .btn-primary:hover {
  background: var(--color-yellow);
  border-color: var(--color-yellow);
  color: var(--color-blue-deep);
  transform: translateY(-2px);
}

.page-news .news-hero-actions .btn-outline:hover {
  background: rgba(255, 199, 0, 0.12);
  transform: translateY(-2px);
}

.page-news .news-hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.page-news .stat-item {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 12px;
  padding: 14px 10px;
  text-align: center;
}

.page-news .stat-num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--color-yellow);
  line-height: 1.1;
}

.page-news .stat-plus {
  font-size: 0.8em;
}

.page-news .stat-label {
  display: block;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.78rem;
  margin-top: 6px;
}

/* ===================== 最新文章 ===================== */
.page-news .news-latest {
  background: var(--color-gray);
  padding: 60px 0 68px;
}

.page-news .section-heading {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 26px;
}

.page-news .section-heading h2 {
  font-size: clamp(1.5rem, 2.8vw, 2.1rem);
}

.page-news .section-note {
  color: var(--news-muted);
  font-size: 0.88rem;
  margin-top: 6px;
}

.page-news .section-no {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: var(--color-orange);
  color: var(--color-white);
  font-family: var(--font-mono);
  font-weight: 700;
  border-radius: 50%;
  font-size: 0.95rem;
}

.page-news .news-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 30px;
}

.page-news .filter-input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.page-news .filter-label {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid var(--color-border-light);
  border-radius: 999px;
  background: var(--color-white);
  color: var(--color-gray-dark);
  font-size: 0.85rem;
  cursor: pointer;
  transition: background var(--duration) ease, border-color var(--duration) ease, color var(--duration) ease;
}

.page-news .filter-input:checked + .filter-label {
  background: var(--color-blue);
  border-color: var(--color-blue);
  color: var(--color-white);
}

.page-news .filter-input:focus-visible + .filter-label {
  outline: 2px solid var(--color-orange);
  outline-offset: 2px;
}

.page-news #filter-pre:checked + .filter-label {
  background: var(--color-orange);
  border-color: var(--color-orange);
}

.page-news #filter-post:checked + .filter-label {
  background: var(--color-blue);
  border-color: var(--color-blue);
}

.page-news #filter-update:checked + .filter-label {
  background: var(--color-green);
  border-color: var(--color-green);
}

.page-news #filter-guide:checked + .filter-label {
  background: var(--color-link);
  border-color: var(--color-link);
}

.page-news #filter-pre:checked ~ .news-layout .news-cards .news-card:not([data-category="pre"]),
.page-news #filter-post:checked ~ .news-layout .news-cards .news-card:not([data-category="post"]),
.page-news #filter-update:checked ~ .news-layout .news-cards .news-card:not([data-category="update"]),
.page-news #filter-guide:checked ~ .news-layout .news-cards .news-card:not([data-category="guide"]) {
  display: none;
}

.page-news .news-layout {
  position: relative;
  padding-left: 30px;
}

.page-news .news-layout::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 14px;
  bottom: 14px;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-yellow) 0%, var(--color-orange) 42%, var(--color-blue) 100%);
}

.page-news .news-timeline {
  display: none;
}

.page-news .news-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-news .news-card {
  position: relative;
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: 14px;
  padding: 18px;
  transition: box-shadow var(--duration) ease, transform var(--duration) ease;
}

.page-news .news-card::before {
  content: "";
  position: absolute;
  left: -23px;
  top: 30px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-white);
  border: 3px solid var(--color-orange);
  box-shadow: 0 0 0 2px var(--color-orange);
  z-index: 1;
}

.page-news .news-card[data-category="post"]::before {
  border-color: var(--color-blue);
  box-shadow: 0 0 0 2px var(--color-blue);
}

.page-news .news-card[data-category="update"]::before {
  border-color: var(--color-green);
  box-shadow: 0 0 0 2px var(--color-green);
}

.page-news .news-card[data-category="guide"]::before {
  border-color: var(--color-link);
  box-shadow: 0 0 0 2px var(--color-link);
}

.page-news .news-card:hover {
  box-shadow: 0 8px 24px rgba(27, 58, 92, 0.1);
  transform: translateY(-2px);
}

.page-news .news-card-img {
  width: 100%;
  border-radius: 10px;
  margin-bottom: 16px;
  object-fit: cover;
}

.page-news .news-card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin-bottom: 10px;
}

.page-news .news-cat {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 999px;
  letter-spacing: 0.04em;
}

.page-news .cat-pre {
  background: var(--color-orange-soft);
  color: var(--color-orange);
}

.page-news .cat-post {
  background: rgba(27, 58, 92, 0.1);
  color: var(--color-blue);
}

.page-news .cat-update {
  background: rgba(14, 59, 46, 0.1);
  color: var(--color-green);
}

.page-news .cat-guide {
  background: rgba(52, 152, 219, 0.12);
  color: var(--color-link);
}

.page-news .news-time,
.page-news .news-read {
  color: var(--news-muted);
  font-size: 0.8rem;
}

.page-news .news-card h3 {
  font-size: 1.18rem;
  margin-bottom: 8px;
}

.page-news .news-card p {
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--color-gray-dark);
  margin-bottom: 10px;
}

.page-news .news-expand {
  border-top: 1px dashed var(--color-border-light);
  padding-top: 10px;
  margin-top: 6px;
}

.page-news .news-expand summary {
  cursor: pointer;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-orange);
  font-size: 0.86rem;
  font-weight: 700;
}

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

.page-news .news-expand summary::after {
  content: "＋";
  font-size: 0.95rem;
  transition: transform var(--duration) ease;
}

.page-news .news-expand[open] summary::after {
  content: "－";
}

.page-news .news-expand p {
  margin-top: 10px;
  color: var(--color-gray-dark);
  line-height: 1.7;
  font-size: 0.88rem;
}

/* ===================== 更新公告 ===================== */
.page-news .news-updates {
  background: var(--color-blue);
  color: rgba(255, 255, 255, 0.9);
  padding: 60px 0 64px;
}

.page-news .section-heading-light h2 {
  color: var(--color-white);
}

.page-news .section-note-light {
  color: rgba(255, 255, 255, 0.68);
}

.page-news .section-no-light {
  background: var(--color-yellow);
  color: var(--color-blue-deep);
}

.page-news .updates-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  margin-top: 34px;
}

.page-news .updates-figure {
  margin: 0;
}

.page-news .updates-figure img {
  border-radius: 14px;
  width: 100%;
}

.page-news .updates-figure figcaption {
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.82rem;
  margin-top: 8px;
}

.page-news .updates-list {
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.page-news .update-item {
  border-left: 3px solid var(--color-yellow);
  padding: 6px 0 4px 16px;
}

.page-news .update-badge {
  display: inline-block;
  background: var(--color-yellow);
  color: var(--color-blue-deep);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.78rem;
  padding: 4px 10px;
  border-radius: 999px;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}

.page-news .update-item h3 {
  color: var(--color-white);
  font-size: 1.18rem;
  margin-bottom: 8px;
}

.page-news .update-item p {
  font-size: 0.92rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 10px;
}

.page-news .update-more,
.page-news .feature-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--color-yellow);
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
}

.page-news .update-more:hover,
.page-news .feature-link:hover {
  color: var(--color-orange);
}

/* ===================== 专题系列 ===================== */
.page-news .news-features {
  background: linear-gradient(180deg, var(--color-white) 0%, var(--color-orange-soft) 88%);
  padding: 60px 0 68px;
}

.page-news .features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  margin-top: 34px;
}

.page-news .features-figure {
  margin: 0;
}

.page-news .features-figure img {
  border-radius: 14px;
  width: 100%;
  object-fit: cover;
}

.page-news .features-list {
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.page-news .feature-item {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: 14px;
  padding: 20px;
}

.page-news .feature-tag {
  display: inline-block;
  border: 1px solid var(--color-orange);
  color: var(--color-orange);
  padding: 3px 10px;
  font-size: 0.76rem;
  border-radius: 999px;
  margin-bottom: 12px;
  font-weight: 700;
}

.page-news .feature-item h3 {
  font-size: 1.28rem;
  margin-bottom: 10px;
}

.page-news .feature-item p {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--color-gray-dark);
  margin-bottom: 14px;
}

/* ===================== 桌面增强 ===================== */
@media (min-width: 768px) {
  .page-news .news-hero {
    padding: 52px 0 60px;
  }

  .page-news .news-hero-grid {
    grid-template-columns: 1.5fr 0.5fr;
    gap: 40px;
  }

  .page-news .news-hero-stats {
    gap: 12px;
  }

  .page-news .stat-item {
    padding: 18px 12px;
  }

  .page-news .stat-num {
    font-size: 1.8rem;
  }

  .page-news .news-card-featured {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 22px;
    align-items: center;
  }

  .page-news .news-card-img {
    margin-bottom: 0;
    height: 100%;
    max-height: 260px;
    object-fit: cover;
  }

  .page-news .updates-grid,
  .page-news .features-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .page-news .news-hero {
    padding: 60px 0 72px;
  }

  .page-news .news-hero-tex {
    width: 620px;
    top: -40px;
    right: -80px;
  }

  .page-news .news-latest {
    padding: 72px 0 80px;
  }

  .page-news .news-layout {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 28px;
    padding-left: 0;
    align-items: start;
  }

  .page-news .news-layout::before {
    display: none;
  }

  .page-news .news-timeline {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
  }

  .page-news .news-timeline::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 10px;
    bottom: 10px;
    width: 2px;
    transform: translateX(-50%);
    background: linear-gradient(to bottom, var(--color-yellow) 0%, var(--color-orange) 42%, var(--color-blue) 100%);
  }

  .page-news .tl-node {
    position: relative;
    text-align: center;
    padding: 12px 0 42px;
    width: 100%;
  }

  .page-news .tl-node::before {
    content: "";
    display: block;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    margin: 0 auto 10px;
    background: var(--color-orange);
    border: 3px solid var(--color-white);
    box-shadow: 0 0 0 2px var(--color-orange);
  }

  .page-news .tl-node-yellow::before {
    background: var(--color-yellow);
    box-shadow: 0 0 0 2px var(--color-yellow);
  }

  .page-news .tl-node-blue::before {
    background: var(--color-blue);
    box-shadow: 0 0 0 2px var(--color-blue);
  }

  .page-news .tl-time {
    display: block;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.02rem;
    color: var(--color-gray-dark);
  }

  .page-news .tl-label {
    display: block;
    font-size: 0.8rem;
    color: var(--news-muted);
    margin-top: 3px;
  }

  .page-news .news-card::before {
    display: none;
  }

  .page-news .news-cards {
    gap: 24px;
  }

  .page-news .news-card {
    padding: 22px;
  }

  .page-news .news-updates,
  .page-news .news-features {
    padding: 72px 0 80px;
  }

  .page-news .update-item h3,
  .page-news .feature-item h3 {
    font-size: 1.32rem;
  }
}