.page-news {
  --news-gap: clamp(32px, 6vw, 72px);
  --news-hair: 1px solid var(--line-soft);
}

.page-news .breadcrumb {
  padding-block: 22px 0;
}

/* 首屏 */
.page-news .news-intro {
  padding-block: clamp(26px, 4vw, 44px) clamp(30px, 5vw, 52px);
  border-bottom: var(--news-hair);
}

.page-news .news-intro .eyebrow {
  margin: 0 0 16px;
  letter-spacing: 0.14em;
}

.page-news .news-intro h1 {
  margin: 0 0 20px;
  max-width: 18ch;
  letter-spacing: -0.01em;
}

.page-news .news-intro .lede {
  margin: 0;
  max-width: 58ch;
}

.page-news .news-intro__stats {
  list-style: none;
  margin: 28px 0 0;
  padding: 20px 0 0;
  border-top: var(--news-hair);
  display: grid;
  gap: 14px;
}

.page-news .news-intro__stats li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}

.page-news .stat-num {
  font-family: var(--font-mono);
  font-size: var(--fs-20);
  font-weight: 600;
  color: var(--amber);
  letter-spacing: 0.02em;
}

.page-news .stat-label {
  font-size: var(--fs-14);
  color: var(--mist);
}

/* 本期主题横向带 */
.page-news .feature-band {
  background: linear-gradient(180deg, var(--ink-850) 0%, var(--ink-900) 78%);
  border-bottom: var(--news-hair);
  padding-block: var(--news-gap);
}

.page-news .feature-band__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: center;
}

.page-news .feature-band__kicker {
  margin: 0 0 18px;
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--hit);
}

.page-news .feature-band__title {
  margin: 0 0 20px;
  font-size: clamp(30px, 5vw, 56px);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.015em;
  max-width: 20ch;
}

.page-news .feature-band__text {
  margin: 0 0 22px;
  max-width: 48ch;
  color: var(--paper-dim);
  line-height: 1.85;
}

.page-news .feature-band__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 26px;
}

.page-news .feature-band__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink-800);
  box-shadow: 0 24px 60px -40px rgba(0, 0, 0, 0.9);
}

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

.page-news .feature-band__figure .media-frame__caption {
  padding: 12px 16px;
  font-size: var(--fs-12);
  color: var(--mist);
  border-top: 1px solid var(--line-soft);
}

/* 最新动态 */
.page-news .feed-section {
  padding-block: var(--news-gap);
}

.page-news .feed-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 24px;
  margin-bottom: 20px;
}

.page-news .feed-head h2 {
  margin: 0;
}

.page-news .feed-head__note {
  margin: 0;
  font-size: var(--fs-14);
  color: var(--mist);
  max-width: 40ch;
}

.page-news .tag-rail {
  list-style: none;
  display: flex;
  gap: 8px;
  margin: 0 0 6px;
  padding: 0 0 16px;
  overflow-x: auto;
  border-bottom: var(--news-hair);
  scrollbar-width: thin;
}

.page-news .tag-rail li {
  flex: 0 0 auto;
}

.page-news .tag-rail__link {
  display: inline-block;
  padding: 8px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: var(--fs-14);
  color: var(--paper-dim);
  text-decoration: none;
  transition: border-color 0.22s var(--ease), color 0.22s var(--ease), background-color 0.22s var(--ease);
}

.page-news .tag-rail__link:hover,
.page-news .tag-rail__link:focus-visible {
  border-color: var(--amber);
  color: var(--amber-soft);
  background: var(--amber-dim);
}

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

.page-news .feed-item {
  position: relative;
  padding: 26px 0 26px 20px;
  border-bottom: var(--news-hair);
}

.page-news .feed-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 28px;
  bottom: 28px;
  width: 2px;
  background: var(--line);
  transition: width 0.22s var(--ease), background-color 0.22s var(--ease);
}

.page-news .feed-item--ver::before {
  width: 5px;
  background: var(--amber);
}

.page-news .feed-item--lib::before {
  width: 4px;
  background: var(--hit-deep);
}

.page-news .feed-item--tut::before {
  width: 3px;
  background: var(--paper-dim);
}

.page-news .feed-item--fb::before {
  width: 2px;
  background: var(--mist);
}

.page-news .feed-item:hover::before,
.page-news .feed-item:focus-within::before {
  width: 6px;
  background: var(--hit);
}

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

.page-news .feed-item__time {
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-news .feed-item__title {
  margin: 0 0 10px;
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1.34;
  font-weight: 800;
  letter-spacing: -0.005em;
}

.page-news .feed-item__text {
  margin: 0;
  max-width: 62ch;
  color: var(--paper-dim);
  line-height: 1.8;
}

.page-news .feed-item__more {
  margin-top: 14px;
}

.page-news .feed-item__more summary {
  cursor: pointer;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--hit);
  transition: color 0.2s var(--ease);
}

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

.page-news .feed-item__more summary::before {
  content: "+";
  display: inline-block;
  width: 16px;
  height: 16px;
  line-height: 15px;
  text-align: center;
  border: 1px solid var(--hit-deep);
  border-radius: 4px;
  font-size: 12px;
}

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

.page-news .feed-item__more summary:hover {
  color: var(--hit);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-news .feed-item__more p {
  margin: 12px 0 10px;
  max-width: 60ch;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--paper-dim);
  border-left: 1px solid var(--hit-deep);
  padding-left: 14px;
}

.page-news .feed-item__link {
  font-size: var(--fs-14);
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid var(--amber-dim);
  padding-bottom: 2px;
}

.page-news .feed-item__link:hover {
  color: var(--amber-soft);
  border-bottom-color: var(--amber-soft);
}

/* 资料库补充条 */
.page-news .library-strip {
  background: var(--ink-850);
  border-block: var(--news-hair);
  padding-block: clamp(30px, 5vw, 60px);
}

.page-news .library-strip__grid {
  display: grid;
  gap: clamp(22px, 4vw, 42px);
  align-items: center;
}

.page-news .library-strip__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--ink-800);
}

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

.page-news .library-strip__kicker {
  margin: 0 0 14px;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--hit);
}

.page-news .library-strip__body h2 {
  margin: 0 0 16px;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.2;
  font-weight: 800;
  max-width: 22ch;
}

.page-news .library-strip__body p {
  margin: 0 0 14px;
  max-width: 56ch;
  color: var(--paper-dim);
  line-height: 1.85;
}

.page-news .library-strip__body .btn {
  margin-top: 8px;
}

/* 专题系列 */
.page-news .series {
  padding-block: var(--news-gap);
}

.page-news .series h2 {
  margin: 0 0 12px;
}

.page-news .series__lede {
  margin: 0 0 28px;
  max-width: 50ch;
  color: var(--mist);
  line-height: 1.8;
}

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

.page-news .series-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--ink-800);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-news .series-card:hover {
  border-color: var(--line);
  transform: translateY(-2px);
}

.page-news .series-card__no {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-news .series-card h3 {
  margin: 0;
  font-size: var(--fs-20);
  line-height: 1.4;
  font-weight: 800;
}

.page-news .series-card p {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--paper-dim);
}

.page-news .series-card__link {
  margin-top: auto;
  padding-top: 8px;
  font-size: var(--fs-14);
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  align-self: flex-start;
}

.page-news .series-card__link:hover {
  border-bottom-color: var(--amber-soft);
  color: var(--amber-soft);
}

.page-news .series-card--wide {
  padding: 0;
  overflow: hidden;
  gap: 0;
}

.page-news .series-card__figure {
  margin: 0;
  border-bottom: 1px solid var(--line);
  background: var(--ink-900);
}

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

.page-news .series-card__body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-news .series-card__body h3 {
  margin: 0;
  font-size: clamp(22px, 3vw, 28px);
  line-height: 1.3;
  font-weight: 800;
}

.page-news .series-card__body p {
  margin: 0;
  max-width: 52ch;
  color: var(--paper-dim);
  line-height: 1.85;
}

/* 反馈摘要 */
.page-news .digest {
  background:
    radial-gradient(120% 90% at 0% 0%, rgba(57, 208, 176, 0.08), transparent 62%),
    linear-gradient(140deg, var(--ink-800), var(--ink-900) 72%);
  border-block: var(--news-hair);
  padding-block: var(--news-gap);
}

.page-news .digest__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: center;
}

.page-news .digest__kicker {
  margin: 0 0 14px;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-news .digest__body h2 {
  margin: 0 0 8px;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.2;
  font-weight: 800;
  max-width: 20ch;
}

.page-news .digest__rows {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.page-news .digest-row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--line-soft);
}

.page-news .digest-row:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-news .digest-row__label {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.06em;
  color: var(--hit);
}

.page-news .digest-row__text {
  margin: 0;
  max-width: 54ch;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--paper-dim);
}

.page-news .digest__note {
  margin: 20px 0 24px;
  max-width: 56ch;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--mist);
}

.page-news .digest__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--ink-850);
}

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

/* 继续查找 */
.page-news .next-links {
  padding-block: var(--news-gap);
}

.page-news .next-links h2 {
  margin: 0 0 22px;
}

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

.page-news .next-links__list a {
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  gap: 4px 14px;
  align-items: baseline;
  padding: 18px 0;
  border-top: 1px solid var(--line-soft);
  text-decoration: none;
  transition: background-color 0.22s var(--ease), padding-left 0.22s var(--ease);
}

.page-news .next-links__list li:last-child a {
  border-bottom: 1px solid var(--line-soft);
}

.page-news .next-links__list a:hover,
.page-news .next-links__list a:focus-visible {
  background: var(--amber-dim);
  padding-left: 10px;
}

.page-news .next-links__no {
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-news .next-links__title {
  font-size: var(--fs-20);
  font-weight: 800;
  color: var(--paper);
}

.page-news .next-links__desc {
  grid-column: 2;
  font-size: var(--fs-14);
  color: var(--mist);
  line-height: 1.7;
}

/* 响应式 */
@media (min-width: 640px) {
  .page-news .news-intro__stats {
    grid-template-columns: repeat(3, minmax(0, auto));
    justify-content: start;
    gap: 12px 40px;
  }

  .page-news .news-intro__stats li {
    display: block;
  }

  .page-news .stat-label {
    display: block;
    margin-top: 4px;
  }

  .page-news .digest-row {
    grid-template-columns: 12rem 1fr;
    gap: 4px 20px;
    align-items: baseline;
  }

  .page-news .next-links__list a {
    grid-template-columns: 2.8rem minmax(0, 15rem) 1fr;
    align-items: center;
  }

  .page-news .next-links__desc {
    grid-column: 3;
  }
}

@media (min-width: 760px) {
  .page-news .series__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .series-card--wide {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-news .feature-band__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-news .library-strip__grid {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  }

  .page-news .digest__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }

  .page-news .series-card--wide {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    display: grid;
    gap: 0;
  }

  .page-news .series-card--wide .series-card__figure {
    border-bottom: 0;
    border-right: 1px solid var(--line);
    height: 100%;
  }

  .page-news .series-card--wide .series-card__figure img {
    height: 100%;
    object-fit: cover;
  }

  .page-news .series-card__body {
    padding: 30px;
    justify-content: center;
  }
}

@media (min-width: 1100px) {
  .page-news .feed {
    max-width: 100%;
  }

  .page-news .feed-item {
    padding-left: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .feed-item::before,
  .page-news .series-card,
  .page-news .next-links__list a,
  .page-news .tag-rail__link {
    transition: none;
  }
}