.page-news {
  --news-radius: 14px;
  --news-gap: clamp(18px, 3vw, 32px);
  --news-read: 62ch;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding-block: clamp(38px, 6vw, 78px) clamp(22px, 3.5vw, 40px);
  background:
    radial-gradient(120% 90% at 82% 0%, rgba(53, 224, 214, 0.12) 0%, rgba(53, 224, 214, 0) 58%),
    linear-gradient(180deg, rgba(12, 35, 51, 0.55) 0%, rgba(6, 23, 36, 0) 100%);
  border-bottom: 1px solid var(--line);
}

.page-news .news-hero .shell {
  display: block;
}

.page-news .hero-kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
}

.page-news .hero-kicker-text {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cal);
}

.page-news .news-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.2rem, 6.4vw, 4.6rem);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--white);
  margin: 0 0 20px;
  max-width: 20ch;
}

.page-news .news-lede {
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  line-height: 1.78;
  color: var(--body-text);
  max-width: var(--news-read);
  margin: 0 0 30px;
}

.page-news .news-lede strong {
  color: var(--cyan);
  font-weight: 600;
}

.page-news .hero-stats {
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding-block: 18px;
}

.page-news .hero-stats .stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-left: 12px;
  border-left: 2px solid var(--cyan);
}

.page-news .hero-stats .stat-value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.5rem, 3.4vw, 2.2rem);
  line-height: 1;
  color: var(--white);
}

.page-news .hero-stats .stat-label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cal);
}

/* ---------- 标签筛选条 ---------- */
.page-news .filter-bar {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: none;
}
.page-news .filter-bar::-webkit-scrollbar {
  display: none;
}

.page-news .filter-pill {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(12, 35, 51, 0.7);
  color: var(--cal);
  font-size: 13px;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-news .filter-pill:hover,
.page-news .filter-pill:focus-visible {
  border-color: var(--cyan);
  color: var(--white);
}

.page-news .filter-pill.is-active {
  border-color: var(--cyan);
  background: var(--cyan-soft);
  color: var(--white);
}

.page-news .pill-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cal);
}
.page-news .pill-dot--cyan { background: var(--cyan); }
.page-news .pill-dot--orange { background: var(--orange); }
.page-news .pill-dot--magenta { background: var(--magenta); }
.page-news .pill-dot--cal { background: var(--cal); }

/* ---------- 区块骨架 ---------- */
.page-news .zone {
  padding-block: clamp(40px, 6vw, 82px);
  scroll-margin-top: 96px;
}

.page-news .zone--topics,
.page-news .zone--index {
  background: linear-gradient(180deg, rgba(12, 35, 51, 0.42) 0%, rgba(6, 23, 36, 0) 70%);
}

.page-news .zone-head {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 14px;
  row-gap: 8px;
  align-items: baseline;
  margin-bottom: clamp(24px, 3.4vw, 42px);
}

.page-news .zone-head .panel-index {
  grid-row: 1 / span 2;
}

.page-news .zone-head .eyebrow {
  margin: 0;
}

.page-news .zone-head .section-title {
  margin: 0;
  color: var(--white);
}

.page-news .zone-note {
  grid-column: 1 / -1;
  margin: 6px 0 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--cal);
}

/* ---------- 案例卡片流 ---------- */
.page-news .article-stream {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--news-gap);
}

.page-news .case-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--news-radius);
  background: var(--panel);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .case-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--cal);
}

.page-news .case-card--cyan::before { background: var(--cyan); }
.page-news .case-card--orange::before { background: var(--orange); }
.page-news .case-card--magenta::before { background: var(--magenta); }

.page-news .case-card:hover {
  border-color: var(--cyan);
}

.page-news .case-tagline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-news .case-issue {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cal);
}

.page-news .case-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.32rem, 2.4vw, 1.72rem);
  line-height: 1.28;
  letter-spacing: -0.005em;
}

.page-news .case-title a {
  color: var(--white);
  text-decoration: none;
  background-image: linear-gradient(var(--cyan), var(--cyan));
  background-size: 0 1px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  transition: background-size var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .case-title a:hover,
.page-news .case-title a:focus-visible {
  color: var(--cyan);
  background-size: 100% 1px;
}

.page-news .case-summary {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--body-text);
  max-width: 56ch;
}

.page-news .case-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: auto;
  padding-top: 4px;
}

.page-news .case-read {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  color: var(--cal);
}

.page-news .case-time {
  font-size: 12px;
  color: var(--dim);
}

.page-news .case-foot .btn {
  margin-left: auto;
}

.page-news .case-card--feature {
  padding: 0 0 22px;
  gap: 0;
  background: var(--panel);
}

.page-news .case-card--feature .case-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px 0 22px;
}

.page-news .case-cover {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--ink-deep);
}

.page-news .case-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 23, 36, 0) 40%, rgba(6, 23, 36, 0.85) 100%);
}

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

/* ---------- 专题系列 ---------- */
.page-news .topic-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--news-gap);
}

.page-news .topic-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--news-radius);
  background: var(--panel);
  overflow: hidden;
  scroll-margin-top: 100px;
  transition: border-color var(--dur) var(--ease);
}

.page-news .topic-card:hover {
  border-color: var(--cyan);
}

.page-news .topic-media {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--ink-deep);
}

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

.page-news .topic-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
}

.page-news .topic-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-news .topic-title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.42rem;
  line-height: 1.3;
  color: var(--white);
}

.page-news .topic-desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--body-text);
}

.page-news .topic-points {
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.page-news .topic-points li {
  position: relative;
  padding-left: 18px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--cal);
}

.page-news .topic-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

.page-news .topic-card--range .topic-num { color: var(--orange); }
.page-news .topic-card--range .topic-points li::before { background: var(--orange); }
.page-news .topic-card--streak .topic-num { color: var(--magenta); }
.page-news .topic-card--streak .topic-points li::before { background: var(--magenta); }

/* ---------- 六类分布专区 ---------- */
.page-news .profile-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
  align-items: start;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-news .profile-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--news-radius);
  background: var(--ink-deep);
  overflow: hidden;
}

.page-news .profile-figure img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

.page-news .profile-figure figcaption {
  padding: 12px 16px 16px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--cal);
  border-top: 1px solid var(--line);
}

.page-news .profile-lead {
  margin: 0 0 20px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--body-text);
}

.page-news .profile-keys {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-news .profile-key {
  border-left: 2px solid var(--cyan);
  padding-left: 14px;
}

.page-news .profile-key dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cal);
  margin-bottom: 4px;
}

.page-news .profile-key dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--white);
}

.page-news .fold-group {
  border: 1px solid var(--line);
  border-radius: var(--news-radius);
  background: var(--glass);
  overflow: hidden;
}

.page-news .news-fold {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  background: none;
  border: 0;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 15px;
  text-align: left;
  cursor: pointer;
  transition: color var(--dur) var(--ease);
}

.page-news .news-fold:hover,
.page-news .news-fold:focus-visible {
  color: var(--cyan);
}

.page-news .fold-sign {
  position: relative;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
}

.page-news .fold-sign::before,
.page-news .fold-sign::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: transform var(--dur) var(--ease);
}

.page-news .fold-sign::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-news .fold-sign::after {
  top: 0;
  left: 6px;
  width: 2px;
  height: 14px;
}

.page-news .news-fold[aria-expanded="true"] .fold-sign::after {
  transform: scaleY(0);
}

.page-news .fold-body {
  padding: 4px 18px 20px;
  border-top: 1px solid var(--line);
}

.page-news .profile-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-news .profile-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
  padding-top: 14px;
  border-top: 1px solid rgba(51, 80, 95, 0.5);
}

.page-news .profile-tag {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.08em;
  white-space: nowrap;
  color: var(--cal);
}

.page-news .profile-tag.tag--cyan { color: var(--cyan); }
.page-news .profile-tag.tag--orange { color: var(--orange); }
.page-news .profile-tag.tag--magenta { color: var(--magenta); }

.page-news .profile-list p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--body-text);
}

/* ---------- 编辑与更新节奏 ---------- */
.page-news .editorial-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--news-gap);
}

.page-news .editorial-col {
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--news-radius);
  background: var(--panel);
  transition: border-color var(--dur) var(--ease);
}

.page-news .editorial-col:hover {
  border-color: var(--cyan);
}

.page-news .editorial-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.15rem;
  color: var(--orange);
  letter-spacing: 0.02em;
  margin-bottom: 10px;
}

.page-news .editorial-col h3 {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--white);
}

.page-news .editorial-col p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--body-text);
}

/* ---------- 标签索引 ---------- */
.page-news .tag-matrix {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.6vw, 30px);
  padding-bottom: clamp(24px, 3.4vw, 40px);
  border-bottom: 1px solid var(--line);
}

.page-news .index-group-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  font-weight: 400;
  color: var(--cal);
}

.page-news .index-tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .index-tags a {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 12.5px;
  color: var(--body-text);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .index-tags a:hover,
.page-news .index-tags a:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-news .index-cta {
  display: grid;
  gap: 16px;
  padding-top: clamp(22px, 3vw, 34px);
}

.page-news .index-cta p {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--body-text);
}

.page-news .index-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-news .profile-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-news .profile-list li {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }
}

@media (min-width: 860px) {
  .page-news .article-stream {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(20px, 2.4vw, 30px);
  }

  .page-news .case-card--feature {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 7fr 5fr;
    align-items: stretch;
    padding: 0;
  }

  .page-news .case-card--feature .case-cover {
    aspect-ratio: auto;
    height: 100%;
    min-height: 300px;
  }

  .page-news .case-card--feature .case-body {
    padding: 28px 26px 26px;
  }

  .page-news .case-card:not(.case-card--feature):nth-child(even) {
    margin-top: clamp(22px, 3.6vw, 52px);
  }

  .page-news .topic-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-news .topic-card--range {
    grid-column: span 3;
  }

  .page-news .topic-card--streak {
    grid-column: span 3;
  }

  .page-news .topic-card--window {
    grid-column: span 6;
  }

  .page-news .topic-card--window .topic-body {
    display: grid;
    grid-template-columns: 5fr 7fr;
    column-gap: clamp(24px, 4vw, 60px);
    row-gap: 10px;
    align-items: start;
    padding: 26px;
  }

  .page-news .topic-card--window .topic-num {
    grid-column: 1;
  }

  .page-news .topic-card--window .topic-title {
    grid-column: 1;
  }

  .page-news .topic-card--window .topic-desc {
    grid-column: 2;
    grid-row: 1;
  }

  .page-news .topic-card--window .topic-points {
    grid-column: 2;
    border-top: 0;
    padding-top: 0;
  }

  .page-news .profile-layout {
    grid-template-columns: 7fr 5fr;
  }

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

  .page-news .editorial-col:nth-child(2) {
    margin-top: 26px;
  }

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

  .page-news .index-cta {
    grid-template-columns: 7fr 5fr;
    align-items: center;
  }

  .page-news .index-actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1080px) {
  .page-news .hero-stats {
    max-width: 720px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-news .case-card,
  .page-news .filter-pill,
  .page-news .case-title a,
  .page-news .fold-sign::after {
    transition: none;
  }
}