.page-news {
  --news-line-soft: rgba(44, 53, 80, 0.75);
  --news-shadow: 6px 6px 0 rgba(110, 59, 255, 0.85);
  background: var(--void);
  color: var(--ink);
  padding-bottom: clamp(3rem, 7vw, 6rem);
}

/* ============ 首屏 ============ */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(4rem, 8vw, 6.5rem) 0 clamp(2.5rem, 5vw, 4rem);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 84% 6%, rgba(110, 59, 255, 0.30), transparent 62%),
    radial-gradient(80% 70% at 6% 96%, rgba(23, 229, 216, 0.12), transparent 66%),
    repeating-linear-gradient(90deg, rgba(44, 53, 80, 0.5) 0 1px, transparent 1px 120px),
    repeating-linear-gradient(0deg, rgba(44, 53, 80, 0.36) 0 1px, transparent 1px 120px),
    var(--void);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--violet), var(--cyan) 55%, var(--gold));
  opacity: 0.85;
}

.page-news .news-hero__grid {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  margin-top: clamp(24px, 4vw, 40px);
}

.page-news .news-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-news .news-hero h1 {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(2.1rem, 6.4vw, 4rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-news .news-hero h1::after {
  content: "";
  display: block;
  width: 72px;
  height: 4px;
  margin-top: 18px;
  background: var(--violet);
}

.page-news .news-hero__sum {
  margin: 22px 0 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--muted);
}

.page-news .news-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px dashed var(--line);
}

.page-news .news-hero__stats .stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-news .news-hero__stats .stat__value {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.1;
}

.page-news .news-hero__stats .stat__label {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-news .news-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

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

.page-news .news-hero__fig .figure__frame {
  position: relative;
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 8px;
}

.page-news .news-hero__fig .figure__frame::before {
  content: "第 12 期";
  position: absolute;
  top: -1px;
  left: -1px;
  z-index: 2;
  padding: 5px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--print);
  background: var(--gold);
}

.page-news .news-hero__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-news .news-hero__fig .figure__cap {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ============ 主体骨架 ============ */
.page-news .news-shell {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  padding-top: clamp(2.5rem, 5vw, 4rem);
}

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

/* ============ 左侧目录 ============ */
.page-news .news-toc {
  align-self: start;
  padding: 16px 0 0;
  border-top: 2px solid var(--violet);
}

.page-news .news-toc__head {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--muted);
}

.page-news .news-toc__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-news .news-toc__link {
  display: block;
  padding: 8px 0 8px 12px;
  border-left: 2px solid var(--line);
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-news .news-toc__link:hover,
.page-news .news-toc__link.is-active {
  color: var(--ink);
  border-left-color: var(--violet);
  padding-left: 16px;
}

.page-news .news-toc__foot {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
}

/* ============ 章节通用 ============ */
.page-news .news-sec {
  scroll-margin-top: 90px;
}

.page-news .news-sec + .news-sec {
  margin-top: clamp(3rem, 6vw, 5rem);
  padding-top: clamp(2rem, 4vw, 3rem);
  border-top: 1px dashed var(--line);
}

.page-news .news-sec .section-head {
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-news .news-sec .section-head__title {
  color: var(--ink);
}

.page-news .news-sec .section-head__note {
  color: var(--muted);
  max-width: 66ch;
  line-height: 1.8;
}

/* ============ 栏目卡 ============ */
.page-news .news-colgrid {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

.page-news .news-colcard {
  position: relative;
  padding: 22px 20px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--violet);
  transition: transform var(--dur) var(--ease), border-left-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-news .news-colcard:hover {
  transform: translateY(-8px);
  border-left-color: var(--cyan);
  background: var(--float);
}

.page-news .news-colcard__num {
  display: block;
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-news .news-colcard__title {
  margin: 10px 0 8px;
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
}

.page-news .news-colcard__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .news-colcard__meta {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--violet-soft);
}

/* ============ 本期推荐（纸张叠层） ============ */
.page-news .news-picks {
  display: grid;
  gap: 22px;
  grid-template-columns: 1fr;
}

.page-news .news-pick {
  position: relative;
  padding: 22px 20px 20px;
  background: var(--paper);
  color: var(--print);
  border: 1px solid var(--print);
  box-shadow: var(--news-shadow);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-news .news-pick:nth-child(2) {
  box-shadow: 6px 6px 0 rgba(23, 229, 216, 0.75);
}

.page-news .news-pick:nth-child(3) {
  box-shadow: 6px 6px 0 rgba(242, 184, 75, 0.8);
}

.page-news .news-pick:hover {
  transform: translateY(-8px);
}

.page-news .news-pick__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(16, 16, 20, 0.25);
}

.page-news .news-pick__cat {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--print);
  background: var(--gold);
  padding: 3px 8px;
}

.page-news .news-pick__time {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: rgba(16, 16, 20, 0.6);
}

.page-news .news-pick__title {
  margin: 16px 0 10px;
  font-size: 19px;
  line-height: 1.45;
  font-weight: 700;
  color: var(--print);
}

.page-news .news-pick__sum {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(16, 16, 20, 0.78);
}

.page-news .news-pick__link {
  display: inline-block;
  margin-top: 16px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--print);
  text-decoration: none;
  border-bottom: 2px solid var(--violet);
  padding-bottom: 2px;
}

.page-news .news-pick__link:hover {
  color: var(--violet);
}

/* ============ 版本更新列表 ============ */
.page-news .news-posts {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-post {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  column-gap: 16px;
  padding: 24px 0;
  border-bottom: 1px dashed var(--line);
}

.page-news .news-post__num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  color: var(--gold);
  border: 1px solid var(--line);
  background: var(--float);
}

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

.page-news .news-post__title {
  margin: 0 0 8px;
  font-size: 17px;
  line-height: 1.5;
  font-weight: 700;
  color: var(--ink);
}

.page-news .news-post__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .news-post__meta {
  grid-column: 2;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--violet-soft);
}

.page-news .news-post__fig {
  margin: 16px 0 0;
}

.page-news .news-post__fig .figure__frame {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 6px;
}

.page-news .news-post__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 25 / 16;
  object-fit: cover;
}

.page-news .news-post__fig .figure__cap {
  margin-top: 8px;
  font-size: 12px;
  color: var(--muted);
}

.page-news .news-post .fold {
  margin-top: 14px;
}

.page-news .news-post .fold__trigger {
  font-size: 13px;
  color: var(--cyan);
  background: none;
  border: 1px solid var(--line);
  padding: 7px 14px;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .news-post .fold__trigger:hover {
  border-color: var(--cyan);
}

.page-news .news-post .fold__panel {
  margin-top: 12px;
  padding: 14px 16px;
  background: var(--float);
  border-left: 2px solid var(--cyan);
}

.page-news .news-post .fold__panel p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink);
}

/* ============ 规则解读 / 数据观察 ============ */
.page-news .news-dual {
  display: grid;
  gap: 30px;
  grid-template-columns: 1fr;
}

.page-news .news-dual__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ink);
}

.page-news .news-dual__mark {
  display: inline-block;
  width: 4px;
  height: 18px;
  background: var(--violet);
}

.page-news .news-dual__mark--cyan {
  background: var(--cyan);
}

.page-news .news-reflist {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-news .news-ref {
  padding: 16px 0 16px 18px;
  border-left: 1px solid var(--line);
  transition: border-color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-news .news-ref:hover {
  border-left-color: var(--violet);
  padding-left: 22px;
}

.page-news .news-ref h4 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-news .news-ref p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .news-observe__fig {
  margin: clamp(28px, 4vw, 40px) 0 0;
}

.page-news .news-observe__fig .figure__frame {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 8px;
}

.page-news .news-observe__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 5;
  object-fit: cover;
}

.page-news .news-observe__fig .figure__cap {
  margin-top: 10px;
  font-size: 12px;
  color: var(--muted);
}

/* ============ 体验手记 ============ */
.page-news .news-notes {
  display: grid;
  gap: clamp(24px, 4vw, 36px);
  grid-template-columns: 1fr;
}

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

.page-news .news-notes__fig .figure__frame {
  border: 1px solid var(--print);
  background: var(--paper);
  padding: 8px;
}

.page-news .news-notes__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-news .news-notes__fig .figure__cap {
  margin-top: 8px;
  font-size: 12px;
  color: var(--muted);
}

.page-news .news-notes__list {
  display: grid;
  gap: 0;
}

.page-news .news-note {
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.page-news .news-note:first-child {
  border-top: 2px solid var(--gold);
}

.page-news .news-note__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-news .news-note__title {
  margin: 8px 0 8px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink);
}

.page-news .news-note__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ============ 归档索引 ============ */
.page-news .news-archive {
  display: grid;
  gap: 24px;
  grid-template-columns: 1fr;
}

.page-news .news-arc {
  position: relative;
  padding-left: 18px;
  border-left: 2px solid var(--line);
}

.page-news .news-arc::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 4px;
  width: 10px;
  height: 10px;
  background: var(--violet);
  border-radius: 50%;
}

.page-news .news-arc__title {
  margin: 0 0 10px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--ink);
}

.page-news .news-arc__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-news .news-arc__list a {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--violet-soft);
  text-decoration: none;
  border-bottom: 1px dotted rgba(169, 140, 255, 0.5);
}

.page-news .news-arc__list a:hover {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

.page-news .news-archive__foot {
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 1px dashed var(--line);
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .news-archive__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(23, 229, 216, 0.5);
}

.page-news .news-archive__foot a:hover {
  border-bottom-color: var(--cyan);
}

/* ============ 返回顶部 ============ */
.page-news .news-top {
  position: fixed;
  right: 16px;
  bottom: 18px;
  z-index: 40;
  padding: 9px 15px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ink);
  background: rgba(11, 16, 48, 0.92);
  border: 1px solid var(--violet);
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .news-top:hover {
  background: var(--violet);
  color: #fff;
}

/* ============ 断点 ============ */
@media (min-width: 640px) {
  .page-news .news-colgrid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-news .news-picks .news-pick:first-child {
    grid-column: 1 / -1;
  }

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

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
  }

  .page-news .news-dual {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 44px;
  }

  .page-news .news-notes {
    grid-template-columns: 0.85fr 1.15fr;
    align-items: start;
  }

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

  .page-news .news-picks .news-pick:first-child {
    grid-column: auto;
  }
}

@media (min-width: 1000px) {
  .page-news .news-shell {
    grid-template-columns: 208px minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-toc {
    position: sticky;
    top: 24px;
    padding-top: 20px;
  }

  .page-news .news-post {
    grid-template-columns: 56px minmax(0, 1fr);
    column-gap: 22px;
  }

  .page-news .news-post__num {
    width: 52px;
    height: 52px;
    font-size: 19px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-colcard,
  .page-news .news-pick,
  .page-news .news-ref,
  .page-news .news-toc__link,
  .page-news .news-top {
    transition: none;
  }

  .page-news .news-colcard:hover,
  .page-news .news-pick:hover {
    transform: none;
  }
}