/* ================= 数据专栏 /articles/ ================= */
.page-news {
  --news-rule: 1px solid var(--line);
  display: block;
}

/* ---------- 首屏：不对称入口 + 概况面板 ---------- */
.page-news .news-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(1.5rem, 4vw, 2.25rem) clamp(2rem, 5vw, 3rem);
  border-bottom: var(--news-rule);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: -25% -10% auto -10%;
  height: 135%;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(58% 55% at 78% 10%, rgba(47, 243, 208, 0.14), transparent 70%),
    radial-gradient(46% 52% at 6% 92%, rgba(111, 143, 106, 0.18), transparent 72%);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.32;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 88px 88px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 88%);
}

.page-news .news-hero__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  margin-top: clamp(1.25rem, 3vw, 2rem);
}

.page-news .news-hero__title {
  margin: 0.4rem 0 0;
  font-size: clamp(2.2rem, 6vw, 4.2rem);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-news .news-hero__lead {
  margin: 1rem 0 0;
  max-width: 46ch;
  font-size: clamp(0.98rem, 1.5vw, 1.1rem);
  line-height: 1.85;
  color: var(--mist-dim);
}

.page-news .news-hero__panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--glass-soft);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  padding: clamp(1rem, 3vw, 1.35rem);
}

.page-news .news-hero__panel-title {
  margin: 0 0 0.9rem;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist-faint);
}

.page-news .news-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}

.page-news .news-stats li {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px dashed var(--line);
}

.page-news .news-stats li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-news .news-stats__num {
  font-size: clamp(1.3rem, 3vw, 1.6rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--cyan);
  min-width: 2.6ch;
}

.page-news .news-stats__label {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--mist-dim);
}

/* ---------- 主体骨架：左侧轨道 + 右侧文章流 ---------- */
.page-news .news-shell {
  display: grid;
  gap: clamp(1.75rem, 4vw, 2.5rem);
  padding-block: clamp(2rem, 5vw, 3.25rem);
}

.page-news .news-rail {
  position: relative;
}

.page-news .news-rail__label {
  margin: 0 0 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist-faint);
}

.page-news .news-rail__nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.45rem;
}

.page-news .news-rail__nav a {
  display: block;
  padding: 0.55rem 0.7rem;
  border-left: 2px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  color: var(--mist-dim);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .news-rail__nav a:hover,
.page-news .news-rail__nav a:focus-visible {
  color: var(--mist);
  background: var(--glass-soft);
}

.page-news .news-rail__nav a[aria-current="true"] {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: rgba(47, 243, 208, 0.08);
}

/* ---------- 章节抬头 ---------- */
.page-news .news-section {
  scroll-margin-top: 5.5rem;
  padding-top: clamp(1.5rem, 4vw, 2.25rem);
}

.page-news .news-section + .news-section {
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
  border-top: var(--news-rule);
}

.page-news .news-section__head {
  margin-bottom: clamp(1rem, 3vw, 1.5rem);
}

.page-news .news-section__title {
  margin: 0.3rem 0 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.45rem, 3vw, 2rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-news .news-section__desc {
  margin: 0.65rem 0 0;
  max-width: 60ch;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--mist-dim);
}

/* ---------- 特稿 ---------- */
.page-news .feature {
  display: grid;
  gap: clamp(1.1rem, 3vw, 1.6rem);
  padding-bottom: clamp(1.5rem, 4vw, 2.25rem);
  border-bottom: var(--news-rule);
}

.page-news .feature__media {
  margin: 0;
}

.page-news .feature__media img,
.page-news .post__thumb img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .feature__title {
  margin: 0.45rem 0 0.75rem;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.45rem, 3.2vw, 2.15rem);
  line-height: 1.32;
  color: var(--mist);
}

.page-news .feature__text p {
  margin: 0 0 0.85rem;
  max-width: 62ch;
  font-size: 0.96rem;
  line-height: 1.9;
  color: var(--mist-dim);
}

.page-news .feature__text .btn {
  margin-top: 0.4rem;
}

/* ---------- 条目元信息 ---------- */
.page-news .post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.6rem;
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--mist-faint);
}

.page-news .post-meta__cat {
  font-family: var(--font-sans);
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-news .post-meta__cat::before {
  content: "";
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 0.45rem;
  border-radius: 1px;
  background: currentColor;
  vertical-align: middle;
}

.page-news .post-meta__dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--line);
}

/* ---------- 文章流 ---------- */
.page-news .post-stream {
  margin-top: clamp(0.5rem, 2vw, 1rem);
}

.page-news .post {
  display: grid;
  gap: 0.9rem;
  padding-block: clamp(1.15rem, 3vw, 1.7rem);
  border-bottom: var(--news-rule);
}

.page-news .post__title {
  margin: 0 0 0.45rem;
  font-size: clamp(1.08rem, 2vw, 1.28rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--mist);
}

.page-news .post__excerpt {
  margin: 0;
  max-width: 62ch;
  font-size: 0.93rem;
  line-height: 1.85;
  color: var(--mist-dim);
}

.page-news .post__thumb {
  margin: 0;
  max-width: 100%;
  aspect-ratio: 10 / 7;
  overflow: hidden;
  border-radius: var(--radius-sm);
}

/* ---------- 专题栏目 ---------- */
.page-news .columns-list {
  display: grid;
  border-top: var(--news-rule);
}

.page-news .column-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.3rem 1rem;
  align-items: baseline;
  padding-block: clamp(1rem, 3vw, 1.35rem);
  border-bottom: var(--news-rule);
}

.page-news .column-item__index {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-news .column-item__name {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--mist);
}

.page-news .column-item__desc {
  display: block;
  max-width: 58ch;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--mist-dim);
}

.page-news .column-item__count {
  grid-column: 2;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--mist-faint);
  white-space: nowrap;
}

/* ---------- 标签与归档 ---------- */
.page-news .tags-block {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.25rem);
}

.page-news .tags-block__label {
  margin: 0 0 0.85rem;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist-faint);
}

.page-news .tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.page-news .tag-link {
  display: inline-flex;
  align-items: center;
  padding: 0.42rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(29, 46, 42, 0.5);
  font-size: 0.85rem;
  color: var(--mist-dim);
  text-decoration: none;
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-news .tag-link:hover,
.page-news .tag-link:focus-visible {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
  transform: translateY(-1px);
}

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

.page-news .archive-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding-block: 0.85rem;
  border-bottom: var(--news-rule);
}

.page-news .archive-list li:first-child {
  border-top: var(--news-rule);
}

.page-news .archive-list__stage {
  font-size: 0.94rem;
  color: var(--mist);
}

.page-news .archive-list__count {
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--mist-faint);
  white-space: nowrap;
}

/* ---------- 关注后续专题 ---------- */
.page-news .news-follow {
  position: relative;
  overflow: hidden;
  padding: clamp(1.5rem, 4vw, 2.6rem);
  border: 1px solid var(--teal);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 120% at 100% 0%, rgba(47, 243, 208, 0.16), transparent 62%),
    linear-gradient(180deg, var(--panel-soft), var(--panel));
}

.page-news .news-follow::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -70px;
  width: 220px;
  height: 220px;
  border: 1px dashed rgba(47, 243, 208, 0.35);
  border-radius: 50%;
  pointer-events: none;
}

.page-news .news-follow__title {
  margin: 0.35rem 0 0.7rem;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  line-height: 1.3;
  color: var(--mist);
}

.page-news .news-follow__text {
  margin: 0 0 1.3rem;
  max-width: 58ch;
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--mist-dim);
}

.page-news .news-follow__actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.page-news .news-follow__note {
  margin: 1.1rem 0 0;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--mist-faint);
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-news .column-item {
    grid-template-columns: 3rem minmax(0, 1fr) auto;
    align-items: start;
  }

  .page-news .column-item__count {
    grid-column: auto;
    padding-top: 0.35rem;
  }

  .page-news .post {
    grid-template-columns: minmax(0, 1fr) clamp(140px, 20vw, 176px);
    column-gap: clamp(1rem, 3vw, 1.75rem);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: end;
    column-gap: clamp(2rem, 5vw, 3.5rem);
  }

  .page-news .tags-block {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    column-gap: clamp(2rem, 4vw, 3rem);
  }

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

@media (min-width: 1040px) {
  .page-news .news-shell {
    grid-template-columns: minmax(180px, 200px) minmax(0, 1fr);
    column-gap: clamp(2rem, 4vw, 3.25rem);
    align-items: start;
  }

  .page-news .news-rail {
    position: sticky;
    top: clamp(1rem, 4vh, 2.25rem);
  }

  .page-news .news-rail__nav {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.3rem;
  }

  .page-news .news-section {
    padding-left: clamp(0.9rem, 1.8vw, 1.6rem);
    border-left: var(--news-rule);
  }
}

/* ---------- 动效收敛 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-news .tag-link,
  .page-news .news-rail__nav a {
    transition: none;
  }

  .page-news .tag-link:hover,
  .page-news .tag-link:focus-visible {
    transform: none;
  }
}