.page-news {
  --news-accent: var(--cyan-400);
  --news-gap: 40px;
  --news-radius: var(--r-card);
  color: var(--paper);
  padding-bottom: 96px;
}

.page-news .news-shell {
  max-width: var(--shell);
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 28px;
}

.page-news .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-news .breadcrumb a:hover {
  color: var(--cyan-300);
}

.page-news .breadcrumb [aria-current="page"] {
  color: var(--cyan-400);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  align-items: center;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--line);
}

.page-news .news-hero h1 {
  margin: 16px 0 20px;
  font-size: clamp(34px, 9vw, 74px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.page-news .news-lede {
  margin: 0 0 26px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 44ch;
}

.page-news .news-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 34px;
}

.page-news .news-meta {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: 0;
  padding-top: 22px;
  border-top: 1px dashed var(--line);
}

.page-news .news-meta-item dt {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin-bottom: 6px;
}

.page-news .news-meta-item dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan-300);
  letter-spacing: 0.02em;
}

.page-news .news-hero-media {
  width: 100%;
}

/* ---------- 主栅格 ---------- */
.page-news .news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 48px;
  margin-top: 64px;
}

.page-news .news-main {
  min-width: 0;
}

/* ---------- 章节 ---------- */
.page-news .news-section {
  padding: 8px 0 56px;
  margin-bottom: 56px;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 120px;
}

.page-news .news-section:last-child {
  border-bottom: 0;
  margin-bottom: 0;
}

.page-news .news-section-head {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 22px;
}

.page-news .news-section-head .index-num {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.18em;
  color: var(--cyan-400);
  padding-top: 6px;
  border-top: 2px solid var(--cyan-400);
  min-width: 48px;
}

.page-news .news-section h2 {
  margin: 6px 0 0;
  font-size: clamp(24px, 5.4vw, 40px);
  line-height: 1.16;
  letter-spacing: -0.015em;
  font-weight: 800;
}

.page-news .news-section-lede {
  max-width: 62ch;
  margin: 0 0 28px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 出稿节奏 ---------- */
.page-news .news-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .news-step {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  transition: background 0.25s var(--ease);
}

.page-news .news-step:hover {
  background: linear-gradient(90deg, rgba(79, 240, 200, 0.07), transparent 70%);
}

.page-news .news-step-num {
  font-family: var(--font-mono);
  font-size: 22px;
  color: var(--orange-500);
  letter-spacing: 0.04em;
}

.page-news .news-step h3 {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 700;
}

.page-news .news-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 52ch;
}

/* ---------- 文章结构 ---------- */
.page-news .news-structure {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-news .news-structure-media {
  margin: 0;
}

.page-news .news-modules {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .news-module {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan-400);
  border-radius: var(--news-radius);
  background: linear-gradient(180deg, rgba(22, 54, 45, 0.55), rgba(11, 31, 26, 0.85));
}

.page-news .news-module h3 {
  margin: 0 0 6px;
  font-size: 16px;
  letter-spacing: 0.02em;
}

.page-news .news-module p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 更新列表 ---------- */
.page-news .news-list-media {
  margin: 0 0 26px;
}

.page-news .news-toolbar {
  display: grid;
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--news-radius);
  background: var(--ink-800);
  margin-bottom: 30px;
}

.page-news .news-search {
  width: 100%;
}

.page-news .news-search-note {
  margin: 8px 0 0;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

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

.page-news .news-filter {
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .news-filter:hover {
  color: var(--ink-950);
  background: var(--cyan-400);
  border-color: var(--cyan-400);
}

.page-news .news-groups {
  display: grid;
  gap: 34px;
}

.page-news .news-group {
  scroll-margin-top: 130px;
}

.page-news .news-group-title {
  margin: 0 0 14px;
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--cyan-300);
  font-weight: 600;
  text-transform: uppercase;
}

.page-news .news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .news-item {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 18px 18px 16px;
  border: 1px solid var(--line);
  border-radius: var(--news-radius);
  background: linear-gradient(180deg, rgba(22, 54, 45, 0.5), rgba(7, 21, 17, 0.9));
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-news .news-item:hover {
  border-color: var(--cyan-400);
  transform: translateY(-2px);
}

.page-news .news-item[hidden] {
  display: none;
}

.page-news .news-item-num {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--orange-500);
  padding-top: 2px;
}

.page-news .news-item-title {
  display: block;
  color: var(--paper);
  text-decoration: none;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 8px;
  transition: color 0.2s var(--ease);
}

.page-news .news-item-title:hover {
  color: var(--cyan-400);
}

.page-news .news-item-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 58ch;
}

.page-news .news-item-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 12px !important;
}

.page-news .news-item-time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--cyan-300);
}

.page-news .news-more {
  border: 1px dashed var(--line);
  border-radius: var(--news-radius);
  padding: 14px 18px;
  background: rgba(16, 42, 35, 0.5);
}

.page-news .news-more summary {
  cursor: pointer;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--cyan-400);
  list-style: none;
}

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

.page-news .news-more summary::before {
  content: "+ ";
  font-family: var(--font-mono);
}

.page-news .news-more[open] summary::before {
  content: "− ";
}

.page-news .news-more .news-list {
  margin-top: 18px;
}

/* ---------- 专题系列 ---------- */
.page-news .news-series-media {
  margin: 0 0 28px;
}

.page-news .news-series-grid {
  gap: 16px;
}

.page-news .news-series-card {
  position: relative;
  padding: 24px 20px 20px;
  border-radius: var(--news-radius);
  overflow: hidden;
}

.page-news .news-series-card::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan-400), transparent);
}

.page-news .news-series-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--cyan-400);
  margin-bottom: 14px;
}

.page-news .news-series-card h3 {
  margin: 0 0 10px;
  font-size: 19px;
  letter-spacing: -0.01em;
}

.page-news .news-series-card p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-news .news-series-stage {
  font-size: 12px !important;
  letter-spacing: 0.1em;
  color: var(--orange-500) !important;
  font-family: var(--font-mono);
}

/* ---------- 订阅与检索 ---------- */
.page-news .news-section--follow {
  border-bottom: 0;
}

.page-news .news-follow {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  padding: 26px 22px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--cyan-400);
  border-radius: var(--news-radius);
  background: linear-gradient(135deg, rgba(22, 54, 45, 0.8), rgba(7, 21, 17, 0.95));
}

.page-news .news-follow-copy p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 58ch;
}

.page-news .news-follow-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.page-news .news-search--wide {
  align-self: start;
}

/* ---------- 侧栏 ---------- */
.page-news .news-aside {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-news .aside-block {
  border: 1px solid var(--line);
  border-radius: var(--news-radius);
  padding: 18px;
  background: rgba(16, 42, 35, 0.6);
}

.page-news .aside-block--pulse {
  border-color: rgba(79, 240, 200, 0.4);
  background: linear-gradient(160deg, rgba(22, 54, 45, 0.9), rgba(7, 21, 17, 0.95));
}

.page-news .aside-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .aside-list a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  letter-spacing: 0.02em;
  transition: color 0.2s var(--ease);
}

.page-news .aside-list a:hover {
  color: var(--cyan-400);
}

.page-news .aside-note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .aside-btn {
  margin-top: 16px;
  width: 100%;
  justify-content: center;
}

.page-news .aside-block .pulse-tag {
  margin: 0;
}

/* ---------- 入场 ---------- */
.page-news [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

.page-news .js-ready [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-news .news-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-news .news-structure {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-toolbar {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-news .news-series-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .news-follow {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-news .news-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: var(--news-gap);
    padding-bottom: 72px;
  }

  .page-news .news-layout {
    grid-template-columns: minmax(0, 1fr) 268px;
    gap: 56px;
    margin-top: 80px;
  }

  .page-news .news-aside {
    position: sticky;
    top: 120px;
  }

  .page-news .news-section {
    padding-bottom: 64px;
    margin-bottom: 64px;
  }
}