.page-news {
  --news-gap-y: clamp(46px, 6.5vw, 92px);
  --news-radius: var(--radius-m);
  padding-bottom: clamp(48px, 7vw, 96px);
}

/* ---------- 页头 ---------- */
.page-news .column-head {
  position: relative;
  padding-top: clamp(26px, 4vw, 48px);
  padding-bottom: clamp(30px, 4.5vw, 58px);
}

.page-news .column-head::before {
  content: "";
  position: absolute;
  inset: -140px 0 auto 0;
  height: 440px;
  background:
    radial-gradient(46% 62% at 20% 32%, rgba(122, 77, 255, 0.34), transparent 72%),
    radial-gradient(38% 56% at 80% 10%, rgba(255, 122, 61, 0.20), transparent 72%);
  pointer-events: none;
  z-index: 0;
}

.page-news .column-head .wrap {
  position: relative;
  z-index: 1;
}

.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(18px, 2.4vw, 28px);
  font-size: 13px;
  color: var(--steel);
}

.page-news .breadcrumb a {
  color: var(--steel);
  text-decoration: none;
  transition: color 0.22s var(--ease);
}

.page-news .breadcrumb a:hover {
  color: var(--violet-glow);
}

.page-news .breadcrumb__sep {
  color: rgba(140, 149, 184, 0.5);
}

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

.page-news .column-head h1 {
  margin: 12px 0 0;
  max-width: 20em;
  font-size: clamp(30px, 5.4vw, 58px);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: -0.015em;
}

.page-news .column-head h1 .hl {
  background: linear-gradient(96deg, var(--violet-glow) 0%, var(--amber) 94%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-news .column-head .lede {
  margin-top: 18px;
  max-width: 46em;
  font-size: clamp(15.5px, 1.5vw, 17.5px);
  line-height: 1.8;
  color: rgba(244, 246, 255, 0.82);
}

.page-news .head-meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin: clamp(24px, 3vw, 38px) 0 0;
  padding: 0;
}

.page-news .head-meta li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  background: rgba(20, 27, 60, 0.5);
  font-size: 13.5px;
}

.page-news .head-meta__k {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--steel);
}

.page-news .head-meta__v {
  color: var(--mist);
  font-weight: 600;
}

/* ---------- 本期焦点 ---------- */
.page-news .focus-band {
  position: relative;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(112deg, rgba(122, 77, 255, 0.24) 0%, rgba(255, 122, 61, 0.12) 46%, rgba(11, 16, 38, 0) 84%),
    var(--ink-navy-soft);
}

.page-news .focus-band__inner {
  display: grid;
  gap: clamp(22px, 3.4vw, 44px);
  padding-block: clamp(32px, 5vw, 64px);
}

.page-news .focus-band__media {
  margin: 0;
  border-radius: var(--radius-l) var(--radius-s) var(--radius-l) var(--radius-s);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-soft);
}

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

.page-news .focus-band__kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  padding: 6px 14px;
  border: 1px solid rgba(255, 196, 107, 0.4);
  border-radius: 999px;
  background: rgba(255, 196, 107, 0.1);
  color: var(--amber);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.page-news .focus-band__kicker .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(255, 196, 107, 0.18);
}

.page-news .focus-band__title {
  margin: 16px 0 0;
  font-size: clamp(22px, 3.2vw, 36px);
  line-height: 1.24;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-news .focus-band__text {
  margin: 14px 0 0;
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.8;
  color: rgba(244, 246, 255, 0.8);
}

.page-news .focus-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* ---------- 通用小件 ---------- */
.page-news .point-list {
  list-style: none;
  display: grid;
  gap: 9px;
  margin: 14px 0 0;
  padding: 0;
}

.page-news .point-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(244, 246, 255, 0.8);
}

.page-news .point-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8em;
  width: 7px;
  height: 1px;
  background: var(--violet-glow);
  opacity: 0.85;
}

.page-news .news-block {
  padding-block: var(--news-gap-y);
}

.page-news .news-lede {
  margin-top: 14px;
  max-width: 44em;
  color: rgba(244, 246, 255, 0.78);
}

.page-news .news-band {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  width: 100%;
  max-width: 380px;
  margin-bottom: clamp(18px, 2.4vw, 28px);
  padding: 9px 18px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  background: linear-gradient(96deg, rgba(122, 77, 255, 0.22), rgba(255, 122, 61, 0.1) 58%, rgba(20, 27, 60, 0.32));
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--violet-glow);
}

.page-news .news-band__num {
  color: var(--amber);
  font-weight: 700;
}

.page-news .news-band__line {
  flex: 1 1 40px;
  min-width: 20px;
  height: 1px;
  background: linear-gradient(90deg, rgba(169, 139, 255, 0.5), rgba(169, 139, 255, 0));
}

.page-news .news-figure {
  margin: 18px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--news-radius);
  overflow: hidden;
  background: var(--ink-navy-soft);
}

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

.page-news .news-figure figcaption {
  padding: 10px 16px 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  line-height: 1.6;
  color: var(--steel);
}

/* ---------- 01 栏目观察 ---------- */
.page-news .observe-list {
  margin-top: clamp(24px, 3vw, 40px);
  border-top: 1px solid var(--line-soft);
}

.page-news .observe-item {
  display: grid;
  gap: 12px;
  padding-block: clamp(22px, 3vw, 34px);
  border-bottom: 1px solid var(--line-soft);
}

.page-news .observe-item__idx {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--neon-violet);
}

.page-news .observe-item__title {
  margin: 0;
  font-size: clamp(19px, 2.2vw, 25px);
  line-height: 1.35;
  font-weight: 800;
}

.page-news .observe-item__text {
  margin: 10px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(244, 246, 255, 0.78);
}

/* ---------- 02 专题系列 ---------- */
.page-news .series-list {
  list-style: none;
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
  margin: clamp(24px, 3vw, 40px) 0 0;
  padding: 0;
}

.page-news .series-item {
  display: grid;
  gap: 10px;
  padding-left: clamp(16px, 2.4vw, 28px);
  border-left: 2px solid rgba(122, 77, 255, 0.45);
}

.page-news .series-item__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-news .series-item__title {
  margin: 0;
  font-size: clamp(18px, 2.1vw, 23px);
  line-height: 1.35;
  font-weight: 800;
}

.page-news .series-item__text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(244, 246, 255, 0.78);
}

/* ---------- 03 版本动态 ---------- */
.page-news .version-tabs {
  display: block;
  margin-top: clamp(24px, 3vw, 40px);
}

.page-news .version-tabs__grid {
  display: grid;
  gap: clamp(24px, 3vw, 40px);
}

.page-news .version-scale {
  position: relative;
  display: grid;
  align-content: start;
  gap: 10px;
  padding-left: 24px;
}

.page-news .version-scale__line {
  position: absolute;
  left: 8px;
  top: 14px;
  bottom: 14px;
  width: 1px;
  background: linear-gradient(180deg, var(--violet-glow), rgba(140, 149, 184, 0.18));
}

.page-news .version-tab {
  position: relative;
  display: grid;
  gap: 3px;
  padding: 12px 16px;
  text-align: left;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-s);
  background: rgba(20, 27, 60, 0.42);
  color: var(--mist);
  cursor: pointer;
  transition: border-color 0.25s var(--ease), background-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-news .version-tab::before {
  content: "";
  position: absolute;
  left: -20px;
  top: 50%;
  transform: translateY(-50%);
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink-navy-deep);
  border: 1px solid var(--steel);
  transition: background-color 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-news .version-tab:hover {
  transform: translateX(2px);
  border-color: var(--line-strong);
}

.page-news .version-tab[aria-selected="true"] {
  border-color: var(--line-strong);
  background: linear-gradient(100deg, rgba(122, 77, 255, 0.26), rgba(20, 27, 60, 0.5));
}

.page-news .version-tab[aria-selected="true"]::before {
  background: var(--neon-violet);
  border-color: var(--violet-glow);
  box-shadow: 0 0 0 4px rgba(122, 77, 255, 0.2);
}

.page-news .version-tab__num {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.18em;
  color: var(--amber);
}

.page-news .version-tab__name {
  font-size: 16px;
  font-weight: 700;
}

.page-news .version-panel {
  padding: clamp(20px, 2.8vw, 32px);
  border: 1px solid var(--line-soft);
  border-radius: var(--news-radius);
  background: rgba(11, 16, 38, 0.5);
}

.page-news .version-panel[hidden] {
  display: none;
}

.page-news .version-panel__top {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .version-panel__ver {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.16em;
  color: var(--steel);
}

.page-news .version-panel__title {
  margin: 14px 0 0;
  font-size: clamp(19px, 2.3vw, 26px);
  line-height: 1.35;
  font-weight: 800;
}

.page-news .version-panel__text {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(244, 246, 255, 0.8);
}

/* ---------- 04 读者提问 ---------- */
.page-news .qa-layout {
  display: grid;
  gap: clamp(24px, 3.4vw, 40px);
}

.page-news .qa-list {
  margin-top: clamp(20px, 2.6vw, 32px);
}

.page-news .qa-item {
  padding-block: clamp(18px, 2.4vw, 26px);
  border-top: 1px solid var(--line-soft);
}

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

.page-news .qa-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 0;
  font-size: clamp(16.5px, 1.9vw, 20px);
  line-height: 1.5;
  font-weight: 800;
}

.page-news .qa-item__a {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-top: 12px;
}

.page-news .qa-item__a p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 246, 255, 0.78);
}

.page-news .qa-mark {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  margin-top: 3px;
  border: 1px solid rgba(122, 77, 255, 0.5);
  border-radius: 6px;
  background: rgba(122, 77, 255, 0.16);
  color: var(--violet-glow);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}

.page-news .qa-mark--a {
  border-color: rgba(79, 209, 165, 0.45);
  background: rgba(79, 209, 165, 0.12);
  color: var(--mint);
}

.page-news .qa-figure {
  margin-top: 0;
}

/* ---------- 出口卡片 ---------- */
.page-news .news-next {
  padding-block: var(--news-gap-y) 0;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(20, 27, 60, 0.5), rgba(11, 16, 38, 0));
}

.page-news .news-next__title {
  margin-bottom: clamp(20px, 2.6vw, 32px);
}

.page-news .next-grid {
  list-style: none;
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
}

.page-news .next-card {
  display: grid;
  gap: 6px;
  height: 100%;
  padding: 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--news-radius);
  background: rgba(11, 16, 38, 0.5);
  color: var(--mist);
  text-decoration: none;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), background-color 0.3s var(--ease);
}

.page-news .next-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  background: rgba(122, 77, 255, 0.12);
}

.page-news .next-card__k {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--steel);
}

.page-news .next-card__t {
  font-size: 18px;
  font-weight: 800;
}

.page-news .next-card__d {
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(244, 246, 255, 0.72);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-news .next-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-news .observe-item {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: clamp(20px, 3.4vw, 48px);
  }

  .page-news .series-item {
    grid-template-columns: 84px minmax(0, 1fr);
    column-gap: clamp(20px, 3vw, 40px);
  }
}

@media (min-width: 900px) {
  .page-news .version-tabs__grid {
    grid-template-columns: 250px minmax(0, 1fr);
  }
}

@media (min-width: 960px) {
  .page-news .focus-band__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
    align-items: center;
  }
}

@media (min-width: 980px) {
  .page-news .qa-layout {
    grid-template-columns: minmax(0, 1fr) 300px;
  }

  .page-news .qa-figure {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }
}

@media (min-width: 1080px) {
  .page-news .next-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .next-card,
  .page-news .version-tab,
  .page-news .breadcrumb a {
    transition: none;
  }

  .page-news .next-card:hover,
  .page-news .version-tab:hover {
    transform: none;
  }
}