.page-news {
  --news-rail: 264px;
  --news-rule: 1px solid var(--line-soft);
  --news-sticky: calc(var(--masthead-h) + 28px);
  padding-bottom: clamp(56px, 9vw, 132px);
}

.page-news .news-top {
  padding-top: clamp(18px, 3.4vw, 40px);
}

.page-news .crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: clamp(20px, 3.6vw, 36px);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-400);
}

.page-news .crumb a {
  color: var(--text-400);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-news .crumb a:hover,
.page-news .crumb a:focus-visible {
  color: var(--cyan-400);
  border-bottom-color: rgba(53, 230, 210, 0.5);
}

/* ---------- 首屏框景 ---------- */
.page-news .news-hero {
  position: relative;
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  padding: clamp(22px, 4vw, 56px);
  border: var(--news-rule);
  border-radius: var(--radius);
  background:
    linear-gradient(155deg, rgba(53, 230, 210, 0.09), rgba(53, 230, 210, 0) 46%),
    linear-gradient(0deg, rgba(255, 138, 61, 0.06), rgba(255, 138, 61, 0) 60%),
    var(--ink-800);
  overflow: hidden;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan-400), rgba(53, 230, 210, 0) 72%);
}

.page-news .news-hero__text {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-news .news-hero .h-hero {
  margin: 0;
  max-width: 16em;
}

.page-news .news-hero .prose {
  margin: 0;
  color: var(--text-400);
}

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

.page-news .news-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.page-news .news-hero__figure {
  margin: 0;
  background: var(--ink-1000);
}

.page-news .news-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 5;
  object-fit: cover;
}

/* ---------- 章节骨架 ---------- */
.page-news .section {
  margin-top: clamp(56px, 9vw, 116px);
}

.page-news .section__head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(22px, 3.4vw, 40px);
  max-width: 46em;
}

.page-news .section__head .h-section {
  margin: 0;
}

.page-news .section__head .prose {
  margin: 0;
  color: var(--text-400);
}

/* ---------- 双栏目录 ---------- */
.page-news .handbook {
  display: grid;
  gap: clamp(22px, 3.4vw, 44px);
}

.page-news .handbook__rail {
  display: grid;
  gap: 18px;
  align-content: start;
  padding-top: 18px;
  border-top: var(--news-rule);
}

.page-news .handbook__rail-label {
  color: var(--text-400);
}

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

.page-news .handbook__cat {
  padding: 10px 14px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--glass-06);
  color: var(--text-400);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: color 0.18s var(--ease), background 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-news .handbook__cat:hover {
  color: var(--text-100);
  border-color: rgba(53, 230, 210, 0.55);
}

.page-news .handbook__cat[aria-selected="true"] {
  color: var(--ink-1000);
  background: var(--cyan-400);
  border-color: var(--cyan-400);
  font-weight: 600;
}

.page-news .handbook__cat:focus-visible,
.page-news .handbook__link:focus-visible,
.page-news .news-panel__more:focus-visible,
.page-news .news-feature__more summary:focus-visible {
  outline: 2px solid var(--orange-500);
  outline-offset: 3px;
}

.page-news .handbook__season {
  display: grid;
  gap: 10px;
  margin-top: 4px;
  padding-top: 16px;
  border-top: var(--news-rule);
}

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

.page-news .handbook__note {
  margin: 0;
  max-width: 34em;
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-400);
}

.page-news .handbook__link {
  justify-self: start;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 210, 0.4);
  padding-bottom: 2px;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-news .handbook__link:hover {
  color: var(--orange-500);
  border-bottom-color: var(--orange-500);
}

.page-news .handbook__stream {
  min-width: 0;
  display: grid;
  gap: clamp(28px, 4vw, 44px);
}

.page-news .news-panel__head {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text-100);
}

.page-news .news-panel__more {
  display: inline-block;
  margin-top: 18px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 210, 0.4);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-news .news-panel__more:hover {
  color: var(--orange-500);
  border-bottom-color: var(--orange-500);
}

/* ---------- 条目列表 ---------- */
.page-news .news-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--news-rule);
}

.page-news .news-item {
  position: relative;
  padding: 18px 2px 18px 16px;
  border-bottom: var(--news-rule);
  transition: background 0.22s var(--ease);
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--cyan-400);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 0.26s var(--ease);
}

.page-news .news-item--fee::before {
  background: var(--rose-500);
}

.page-news .news-item:hover,
.page-news .news-item:focus-within {
  background: rgba(255, 255, 255, 0.035);
}

.page-news .news-item:hover::before,
.page-news .news-item:focus-within::before {
  transform: scaleY(1);
}

.page-news .news-item__thumb {
  display: none;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  object-fit: cover;
}

.page-news .news-item__body {
  display: grid;
  gap: 8px;
  min-width: 0;
}

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

.page-news .news-item__cat {
  color: var(--cyan-400);
}

.page-news .news-item__cat--fee {
  color: var(--rose-500);
}

.page-news .news-item__cat--iter {
  color: var(--orange-500);
}

.page-news .news-item__cat--story {
  color: var(--cyan-200);
}

.page-news .news-item__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--text-100);
}

.page-news .news-item__digest {
  margin: 0;
  max-width: 42em;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-400);
}

/* ---------- 精选专题 ---------- */
.page-news .news-features__grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 28px);
}

.page-news .news-feature {
  display: grid;
  gap: 14px;
  align-content: start;
  padding: clamp(20px, 3vw, 34px);
  border-radius: var(--radius);
  border-left: 2px solid var(--rose-500);
}

.page-news .news-feature--device {
  border-left-color: var(--cyan-400);
}

.page-news .news-feature__lbl {
  color: var(--text-400);
}

.page-news .news-feature .h-sub {
  margin: 0;
}

.page-news .news-feature__lead {
  margin: 0;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-400);
}

.page-news .news-feature__more summary {
  cursor: pointer;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan-400);
}

.page-news .news-feature__more ul {
  display: grid;
  gap: 8px;
  margin: 12px 0 0;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-400);
}

.page-news .news-feature .btn {
  justify-self: start;
}

/* ---------- 反馈 ---------- */
.page-news .news-feedback__inner {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  padding: clamp(22px, 4vw, 48px);
  border-radius: var(--radius);
  background:
    linear-gradient(200deg, rgba(53, 230, 210, 0.08), rgba(53, 230, 210, 0) 52%),
    var(--ink-800);
}

.page-news .news-feedback__text {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-news .news-feedback__text .h-section {
  margin: 0;
}

.page-news .news-feedback__text .prose {
  margin: 0;
  color: var(--text-400);
}

.page-news .news-mail {
  font-family: var(--font-num);
  font-size: 15px;
  color: var(--cyan-200);
  word-break: break-all;
}

.page-news .news-feedback__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.page-news .news-feedback__facts {
  display: grid;
  gap: 14px;
  margin: 0;
  align-content: start;
  padding-top: 20px;
  border-top: var(--news-rule);
}

.page-news .news-feedback__fact {
  display: grid;
  gap: 6px;
}

.page-news .news-feedback__fact dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-100);
}

.page-news .news-feedback__num {
  font-family: var(--font-num);
  font-size: 20px;
  letter-spacing: 0.02em;
  color: var(--orange-500);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .news-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-news .news-hero__figure img {
    aspect-ratio: 4 / 3;
  }

  .page-news .news-item--media .news-item__body {
    grid-template-columns: 132px minmax(0, 1fr);
    grid-template-areas:
      "thumb meta"
      "thumb title"
      "thumb digest";
    align-items: start;
    column-gap: 18px;
  }

  .page-news .news-item--media .news-item__thumb {
    display: block;
    grid-area: thumb;
    aspect-ratio: 4 / 3;
  }

  .page-news .news-item--media .news-item__meta {
    grid-area: meta;
  }

  .page-news .news-item--media .news-item__title {
    grid-area: title;
  }

  .page-news .news-item--media .news-item__digest {
    grid-area: digest;
  }

  .page-news .news-features__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-news .handbook {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .handbook__rail {
    position: sticky;
    top: var(--news-sticky);
  }

  .page-news .handbook__cats {
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: stretch;
  }

  .page-news .handbook__cat {
    text-align: left;
  }

  .page-news .news-panel__head {
    font-size: 22px;
  }

  .page-news .news-item__title {
    font-size: 20px;
  }

  .page-news .news-feedback__inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-feedback__facts {
    padding-top: 0;
    padding-left: 28px;
    border-top: 0;
    border-left: var(--news-rule);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .news-item::before,
  .page-news .handbook__cat,
  .page-news .handbook__link,
  .page-news .news-panel__more {
    transition: none;
  }
}