.page-news {
  --news-navy-grad: linear-gradient(135deg, #142A4F 0%, #0A4B9E 100%);
  overflow: clip;
}

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

.page-news a {
  text-decoration: none;
  transition: color 0.25s ease, background-color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s var(--ease-out);
}

/* ===== Hero ===== */
.page-news__hero {
  position: relative;
  background: var(--news-navy-grad);
  color: var(--white);
  padding: 132px 0 72px;
  min-height: 520px;
  display: flex;
  align-items: center;
  isolation: isolate;
}

.page-news__hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;
}

.page-news__hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to right, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.3));
}

.page-news__hero-block {
  position: absolute;
  display: block;
}

.page-news__hero-block--blue {
  width: 340px;
  height: 340px;
  background: rgba(10, 93, 194, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.12);
  right: -80px;
  top: 40px;
  transform: rotate(8deg);
}

.page-news__hero-block--orange {
  width: 90px;
  height: 90px;
  background: var(--accent);
  right: 24px;
  bottom: 24px;
}

.page-news__hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-news__hero-eyebrow {
  color: rgba(255, 255, 255, 0.78);
  border-left: 4px solid var(--accent);
  padding-left: 12px;
  margin-bottom: 18px;
}

.page-news__hero h1 {
  font-size: clamp(34px, 6vw, 56px);
  line-height: 1.15;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
}

.page-news__hero-sub {
  display: inline-block;
  font-size: 0.62em;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.85);
  border-top: 1px solid rgba(255, 255, 255, 0.25);
  padding-top: 14px;
  margin-top: 6px;
  letter-spacing: 0.12em;
}

.page-news__hero-desc {
  max-width: 640px;
  font-size: 16px;
  line-height: 1.85;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.82);
  margin: 0 0 28px;
}

.page-news__hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.page-news__hero-version {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.page-news__version-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success-green, #3A9D5D);
  box-shadow: 0 0 0 3px rgba(58, 157, 93, 0.28);
  flex-shrink: 0;
}

.page-news__hero-art {
  display: none;
}

/* ===== 面包屑 ===== */
.page-news__breadcrumb {
  margin-top: 28px;
}

/* ===== 最新更新区 ===== */
.page-news__updates-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}

.page-news__heading {
  margin-bottom: 20px;
}

.page-news__timeline {
  border-top: 3px solid var(--ink);
}

.page-news__entry {
  padding: 28px 0 28px 12px;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 20px;
  transition: background-color 0.3s ease, padding-left 0.3s var(--ease-out);
}

.page-news__entry:last-child {
  border-bottom: none;
}

.page-news__entry:hover {
  background: rgba(227, 240, 252, 0.45);
  padding-left: 20px;
}

.page-news__entry-index {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
  line-height: 1.8;
  letter-spacing: 0.04em;
}

.page-news__entry-body {
  flex: 1;
  min-width: 0;
}

.page-news__entry-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.page-news .tag-chip--blue {
  background: var(--primary-soft);
  color: var(--primary-dark);
}

.page-news .tag-chip--orange {
  background: rgba(255, 107, 53, 0.14);
  color: var(--accent-dark);
}

.page-news .tag-chip--green {
  background: rgba(58, 157, 93, 0.13);
  color: #2A7A47;
}

.page-news__entry-time {
  font-size: 13px;
  color: #6F6A60;
  letter-spacing: 0.04em;
}

.page-news__entry-title {
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
  margin: 0 0 8px;
  transition: color 0.25s ease;
}

.page-news__entry:hover .page-news__entry-title {
  color: var(--primary);
}

.page-news__entry-desc {
  font-size: 15px;
  line-height: 1.75;
  color: #4E4A42;
  font-weight: 300;
  margin: 0;
}

/* ===== 分类侧栏 ===== */
.page-news__updates-side {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.page-news__category-box {
  border: 1px solid var(--line);
  border-top: 4px solid var(--primary);
  background: var(--white);
  padding: 28px 24px;
  position: static;
}

.page-news__category-head {
  margin-bottom: 20px;
}

.page-news__category-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
  margin: 4px 0 0;
}

.page-news__category-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news__category-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 4px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}

.page-news__category-link:hover {
  color: var(--primary);
}

.page-news__category-name {
  position: relative;
  font-size: 15px;
  font-weight: 600;
}

.page-news__category-name::before {
  content: "▸";
  color: var(--accent);
  margin-right: 8px;
  font-size: 13px;
}

.page-news__category-count {
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 999px;
}

.page-news__category-note {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 20px 4px 16px;
}

.page-news__category-note-label {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: #6F6A60;
}

.page-news__category-total {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
}

.page-news__category-total-unit {
  font-size: 14px;
  font-weight: 500;
  color: #6F6A60;
  margin-left: 4px;
}

.page-news__category-btn {
  display: block;
  text-align: center;
  margin-top: 8px;
}

.page-news__side-card {
  border: 1px solid var(--line);
  background: var(--white);
  padding: 8px;
}

.page-news__side-card img {
  width: 100%;
  height: auto;
  display: block;
}

.page-news__side-card-text {
  font-size: 13px;
  text-align: center;
  color: var(--ink);
  padding: 12px 8px 8px;
  letter-spacing: 0.04em;
  margin: 0;
  border-top: 1px solid var(--line);
}

/* ===== 热门文章 ===== */
.page-news__featured {
  background: var(--primary-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-news__featured-head {
  margin-bottom: 36px;
  max-width: 760px;
}

.page-news__featured-head .section-heading__title {
  margin-bottom: 10px;
}

.page-news__featured-desc {
  font-size: 16px;
  line-height: 1.7;
  color: #4E4A42;
  font-weight: 300;
  margin: 12px 0 0;
}

.page-news__featured-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-news__featured-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 4px solid var(--primary);
  padding: 24px;
  box-shadow: 0 2px 0 rgba(20, 42, 79, 0.04);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.page-news__featured-card:hover {
  transform: translateY(-4px);
  box-shadow: 8px 8px 0 rgba(10, 93, 194, 0.10);
}

.page-news__featured-media {
  margin: -24px -24px 20px;
  overflow: hidden;
}

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

.page-news__featured-content {
  min-width: 0;
}

.page-news__featured-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.page-news__featured-title {
  font-size: 21px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
  margin: 0 0 12px;
}

.page-news__featured-abstract {
  font-size: 15px;
  line-height: 1.75;
  font-weight: 300;
  color: #4E4A42;
  margin: 0 0 18px;
}

.page-news__featured-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.page-news__featured-link:hover {
  color: var(--accent-dark);
}

/* ===== 公告区 ===== */
.page-news__notice-banner {
  display: grid;
  grid-template-columns: 1fr;
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 6px solid var(--accent);
  overflow: hidden;
}

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

.page-news__notice-copy {
  padding: 32px 28px;
}

.page-news__notice-eyebrow {
  color: var(--accent);
  margin-bottom: 10px;
}

.page-news__notice-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 14px;
}

.page-news__notice-text {
  font-size: 15px;
  line-height: 1.8;
  font-weight: 300;
  color: #4E4A42;
  margin: 0 0 24px;
}

.page-news__notice-btn {
  display: inline-flex;
}

/* ===== 分类浏览 ===== */
.page-news__categories-desc {
  font-size: 15px;
  line-height: 1.7;
  color: #4E4A42;
  font-weight: 300;
  margin: -8px 0 32px;
  max-width: 680px;
}

.page-news__cat-tracks {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-news__cat-track {
  border-top: 3px solid var(--ink);
  padding-top: 18px;
}

.page-news__cat-track-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.page-news__cat-track-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin: 0;
}

.page-news__cat-num {
  display: inline-block;
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
  margin-right: 6px;
}

.page-news__cat-track-count {
  font-size: 13px;
  color: #6F6A60;
  letter-spacing: 0.04em;
  background: var(--cream);
  padding: 2px 12px;
  border-right: 2px solid var(--accent);
}

.page-news__cat-track-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news__cat-track-list li {
  border-bottom: 1px dashed var(--line);
}

.page-news__cat-track-list li:last-child {
  border-bottom: none;
}

.page-news__cat-track-list a {
  display: block;
  padding: 11px 2px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
}

.page-news__cat-track-list a:hover {
  color: var(--primary);
  padding-left: 8px;
}

/* ===== 订阅提示 ===== */
.page-news__subscribe {
  background: var(--deep-navy);
  color: var(--white);
  border-top: 4px solid var(--accent);
}

.page-news__subscribe-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
}

.page-news__subscribe-eyebrow {
  color: var(--accent);
  margin-bottom: 12px;
}

.page-news__subscribe-title {
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 18px;
  color: var(--white);
}

.page-news__subscribe-text {
  font-size: 16px;
  line-height: 1.8;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.78);
  margin: 0 0 28px;
  max-width: 620px;
}

.page-news__subscribe-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-news .btn--ghost-light {
  border-color: rgba(255, 255, 255, 0.55);
  color: var(--white);
}

.page-news .btn--ghost-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--white);
  color: var(--white);
}

.page-news .page-news__subscribe-btn {
  background: var(--white);
  color: var(--primary);
}

.page-news .page-news__subscribe-btn:hover {
  background: var(--primary-soft);
  color: var(--primary-dark);
}

.page-news__subscribe-chart img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: var(--primary-soft);
}

.page-news__subscribe-caption {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  margin: 12px 0 0;
  text-align: center;
  letter-spacing: 0.06em;
}

/* ===== 桌面端 ===== */
@media (min-width: 960px) {
  .page-news__hero {
    padding: 164px 0 96px;
    min-height: 600px;
  }

  .page-news__hero-inner {
    grid-template-columns: 1.3fr 0.7fr;
    gap: 48px;
    align-items: center;
  }

  .page-news__hero-art {
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .page-news__art-graphic {
    position: relative;
    width: 220px;
    height: 220px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(10, 93, 194, 0.18);
  }

  .page-news__art-core {
    font-family: var(--font-display);
    font-size: 72px;
    font-weight: 900;
    color: var(--white);
    line-height: 1;
    letter-spacing: -0.03em;
  }

  .page-news__art-label {
    position: absolute;
    right: -20px;
    bottom: 28px;
    background: var(--accent);
    color: var(--white);
    font-size: 12px;
    font-weight: 700;
    padding: 8px 14px;
    letter-spacing: 0.1em;
    line-height: 1.4;
    box-shadow: 4px 4px 0 rgba(255, 255, 255, 0.12);
  }

  .page-news__updates-grid {
    grid-template-columns: 1.6fr 0.9fr;
    gap: 56px;
    align-items: start;
  }

  .page-news__category-box {
    position: sticky;
    top: calc(var(--header-height) + 20px);
    z-index: 1;
  }

  .page-news__featured-grid {
    grid-template-columns: repeat(2, 1fr);
    align-items: stretch;
  }

  .page-news__featured-card--wide {
    grid-column: span 2;
    display: grid;
    grid-template-columns: 0.9fr 1.4fr;
    gap: 28px;
    align-items: center;
  }

  .page-news__featured-card--wide .page-news__featured-media {
    margin: 0;
    height: 100%;
    min-height: 220px;
  }

  .page-news__featured-card--wide .page-news__featured-media img {
    height: 100%;
    object-fit: cover;
  }

  .page-news__featured-card--wide .page-news__featured-content {
    padding-right: 12px;
  }

  .page-news__notice-banner {
    grid-template-columns: 0.9fr 1.3fr;
  }

  .page-news__notice-copy {
    padding: 48px 44px;
  }

  .page-news__cat-tracks {
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }

  .page-news__subscribe-grid {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 56px;
  }
}

@media (min-width: 1400px) {
  .page-news__hero-inner {
    grid-template-columns: 1.2fr 0.8fr;
  }

  .page-news__cat-tracks {
    gap: 32px;
  }
}

.page-news {
  --success-green: transparent;
}