.page-news {
  --news-hair: rgba(159, 178, 212, 0.18);
  --news-callout: #d6e3ff;
  display: block;
}

.page-news [id] {
  scroll-margin-top: 104px;
}

/* ---------- 专题封面带 ---------- */
.page-news .news-cover-wrap {
  margin-top: clamp(16px, 2.4vw, 28px);
}

.page-news .news-cover {
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: flex-end;
  min-height: clamp(420px, 50vw, 560px);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 90% at 78% 6%, rgba(33, 230, 193, 0.20), transparent 58%),
    radial-gradient(85% 80% at 8% 92%, rgba(255, 122, 51, 0.16), transparent 62%),
    linear-gradient(158deg, var(--ink-900) 0%, var(--ink-800) 52%, var(--deep) 100%);
}

.page-news .news-cover-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-news .news-cover-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
}

.page-news .news-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(8, 18, 43, 0.14) 0%, rgba(8, 18, 43, 0.52) 46%, rgba(8, 18, 43, 0.93) 100%);
  pointer-events: none;
}

.page-news .news-cover-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: clamp(24px, 4vw, 56px);
}

.page-news .news-cover-inner .index-label {
  color: var(--cyan-soft);
}

.page-news .news-cover h1 {
  margin: 10px 0 0;
  font-size: clamp(52px, 9.4vw, 132px);
  font-weight: 300;
  line-height: 0.92;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-news .news-lede {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: 17px;
  line-height: 1.8;
  color: var(--news-callout);
  padding-left: 16px;
  border-left: 2px solid rgba(33, 230, 193, 0.5);
}

.page-news .news-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-toc a {
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  border: 1px solid rgba(33, 230, 193, 0.28);
  border-radius: var(--pill);
  background: rgba(8, 18, 43, 0.52);
  color: var(--cyan-soft);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: color 0.25s var(--ease), background-color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-news .news-toc a:hover,
.page-news .news-toc a:focus-visible,
.page-news .news-toc a[aria-current="true"] {
  border-color: var(--cyan);
  background: var(--cyan);
  color: var(--ink-900);
}

/* ---------- 区块骨架 ---------- */
.page-news .news-block {
  margin-top: clamp(56px, 9vw, 118px);
}

.page-news .news-head .index-label {
  color: var(--cyan-soft);
}

.page-news .news-head h2 {
  margin: 8px 0 0;
  font-size: clamp(28px, 3.4vw, 46px);
  font-weight: 600;
  line-height: 1.15;
  color: var(--mist);
}

.page-news .news-head-note {
  margin: 12px 0 0;
  max-width: 58ch;
  color: var(--steel);
  font-size: 16px;
  line-height: 1.75;
}

/* ---------- 编辑推荐 ---------- */
.page-news .news-feature {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(18px, 2.6vw, 34px);
  margin-top: clamp(24px, 3.6vw, 42px);
}

.page-news .news-feature-main {
  grid-column: span 7;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-news .news-feature-figure {
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-news .news-feature-main h3 {
  margin: 0;
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 600;
  line-height: 1.24;
  color: var(--mist);
}

.page-news .news-feature-main > p {
  margin: 0;
  max-width: 56ch;
  color: var(--steel);
  font-size: 16px;
  line-height: 1.8;
}

.page-news .news-feature-side {
  grid-column: span 5;
  display: flex;
  flex-direction: column;
}

.page-news .news-brief {
  position: relative;
  padding: clamp(18px, 2.2vw, 24px) 46px clamp(18px, 2.2vw, 24px) 0;
  border-top: 1px solid var(--news-hair);
}

.page-news .news-brief:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-news .news-brief::after {
  content: "→";
  position: absolute;
  top: clamp(20px, 2.4vw, 26px);
  right: 8px;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--cyan);
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity 0.28s var(--ease), transform 0.28s var(--ease);
}

.page-news .news-brief:first-child::after {
  top: 2px;
}

.page-news .news-brief:hover::after,
.page-news .news-brief:focus-within::after {
  opacity: 1;
  transform: translateX(0);
}

.page-news .news-brief h3 {
  margin: 10px 0 0;
  font-size: clamp(19px, 1.9vw, 24px);
  font-weight: 600;
  line-height: 1.35;
  color: var(--mist);
}

.page-news .news-brief p {
  margin: 10px 0 0;
  color: var(--steel);
  font-size: 15.5px;
  line-height: 1.75;
}

/* ---------- 元信息 ---------- */
.page-news .news-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-news .news-time {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan-soft);
}

/* ---------- 四类内容 ---------- */
.page-news .news-columns {
  margin: clamp(24px, 3.4vw, 42px) 0 0;
  padding: 0;
  list-style: none;
  border-bottom: 1px solid var(--news-hair);
}

.page-news .news-column {
  display: grid;
  grid-template-columns: minmax(150px, 3fr) minmax(0, 8fr);
  gap: clamp(14px, 3vw, 46px);
  padding: clamp(22px, 3vw, 34px) 0;
  border-top: 1px solid var(--news-hair);
}

.page-news .news-column-id {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-news .news-column-id span {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--steel);
}

.page-news .news-column-id h3 {
  margin: 0;
  font-size: clamp(20px, 2.1vw, 26px);
  font-weight: 600;
  line-height: 1.25;
}

.page-news .news-column:nth-child(1) .news-column-id h3 {
  color: var(--cyan);
}

.page-news .news-column:nth-child(2) .news-column-id h3 {
  color: var(--orange);
}

.page-news .news-column:nth-child(3) .news-column-id h3 {
  color: var(--sand);
}

.page-news .news-column:nth-child(4) .news-column-id h3 {
  color: var(--green);
}

.page-news .news-column-body p {
  margin: 0;
  max-width: 62ch;
  color: var(--steel);
  font-size: 16px;
  line-height: 1.8;
}

.page-news .news-column-body p.news-usecase {
  margin-top: 10px;
  padding-left: 16px;
  border-left: 2px solid rgba(33, 230, 193, 0.35);
  color: var(--news-callout);
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- 最新条目 ---------- */
.page-news .news-feed {
  margin-top: clamp(24px, 3.4vw, 42px);
  border-bottom: 1px solid var(--news-hair);
}

.page-news .news-item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(120px, 2fr) minmax(0, 8fr);
  gap: clamp(12px, 2.4vw, 34px);
  padding: clamp(20px, 2.6vw, 32px) 0;
  border-top: 1px solid var(--news-hair);
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 3px;
  height: 0;
  border-radius: var(--pill);
  background: var(--cyan);
  transform: translateY(-50%);
  transition: height 0.3s var(--ease);
}

.page-news .news-item:hover::before {
  height: 62%;
}

.page-news .news-item-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.page-news .news-item-body h3 {
  margin: 0;
  font-size: clamp(19px, 2vw, 24px);
  font-weight: 600;
  line-height: 1.34;
  color: var(--mist);
}

.page-news .news-item-body > p {
  margin: 10px 0 0;
  max-width: 62ch;
  color: var(--steel);
  font-size: 16px;
  line-height: 1.78;
}

.page-news .news-item--feature {
  display: block;
}

.page-news .news-feed-figure {
  margin: 0 0 clamp(16px, 2vw, 22px);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-news .news-item--feature .news-item-meta {
  flex-direction: row;
  align-items: center;
  margin-bottom: 12px;
}

.page-news .news-item--version {
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  align-items: center;
}

.page-news .news-version-figure {
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
}

/* ---------- 连载专题 ---------- */
.page-news .news-series-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(268px, 320px);
  gap: clamp(14px, 2vw, 22px);
  margin-top: clamp(24px, 3.4vw, 42px);
  padding-bottom: 16px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--ink-700) transparent;
}

.page-news .news-series-track::-webkit-scrollbar {
  height: 6px;
}

.page-news .news-series-track::-webkit-scrollbar-thumb {
  border-radius: var(--pill);
  background: var(--ink-700);
}

.page-news .news-series-card {
  scroll-snap-align: start;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 236px;
  padding: clamp(20px, 2.4vw, 28px);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: linear-gradient(152deg, rgba(22, 53, 95, 0.9), rgba(14, 30, 66, 0.94));
}

.page-news .news-series-card::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 190px;
  height: 190px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(33, 230, 193, 0.2), transparent 70%);
  pointer-events: none;
}

.page-news .news-series-card .index-label {
  color: var(--sand);
}

.page-news .news-series-card h3 {
  margin: 0;
  font-size: clamp(20px, 2vw, 24px);
  font-weight: 600;
  line-height: 1.3;
  color: var(--mist);
}

.page-news .news-series-card p {
  margin: 0;
  color: var(--steel);
  font-size: 15px;
  line-height: 1.75;
}

.page-news .news-series-stage {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan-soft);
}

/* ---------- 订阅入口 ---------- */
.page-news .news-cta {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(24px, 3.4vw, 48px);
  padding: clamp(26px, 4vw, 56px);
  overflow: hidden;
  border: 1px solid rgba(255, 122, 51, 0.28);
  border-radius: var(--r-lg);
  background:
    radial-gradient(90% 120% at 4% 0%, rgba(255, 122, 51, 0.22), transparent 58%),
    radial-gradient(80% 100% at 96% 100%, rgba(33, 230, 193, 0.16), transparent 60%),
    linear-gradient(150deg, var(--ink-800), var(--ink-900));
}

.page-news .news-cta .index-label {
  color: var(--sand);
}

.page-news .news-cta h2 {
  margin: 10px 0 0;
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 600;
  line-height: 1.18;
  color: var(--mist);
}

.page-news .news-cta-copy > p {
  margin: 16px 0 0;
  max-width: 52ch;
  color: var(--news-callout);
  font-size: 16px;
  line-height: 1.8;
}

.page-news .news-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 2.6vw, 28px);
}

.page-news .news-cta-facts {
  margin: 0;
  padding: 0;
  list-style: none;
  align-self: center;
}

.page-news .news-cta-facts li {
  position: relative;
  padding-left: 24px;
  color: var(--news-callout);
  font-size: 15px;
  line-height: 1.75;
}

.page-news .news-cta-facts li + li {
  margin-top: 14px;
}

.page-news .news-cta-facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 12px;
  height: 2px;
  border-radius: var(--pill);
  background: var(--cyan);
}

.page-news .news-footnote {
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  color: var(--steel);
  font-size: 15px;
  line-height: 1.75;
}

.page-news .news-footnote a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(33, 230, 193, 0.4);
}

.page-news .news-footnote a:hover,
.page-news .news-footnote a:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .page-news .news-feature-main,
  .page-news .news-feature-side {
    grid-column: 1 / -1;
  }

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

  .page-news .news-cta-facts {
    align-self: start;
  }

  .page-news .news-series-track {
    grid-auto-columns: minmax(252px, 300px);
  }
}

@media (max-width: 720px) {
  .page-news .news-column {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  .page-news .news-item,
  .page-news .news-item--version {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  .page-news .news-item::before {
    display: none;
  }

  .page-news .news-item-meta {
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
  }

  .page-news .news-item--feature .news-item-meta {
    margin-bottom: 10px;
  }

  .page-news .news-series-track {
    grid-auto-columns: minmax(238px, 82%);
  }
}

@media (max-width: 560px) {
  .page-news .news-cover {
    min-height: 430px;
    border-radius: var(--r-md);
  }

  .page-news .news-cover-inner {
    padding: 22px 20px 26px;
  }

  .page-news .news-cover h1 {
    font-size: clamp(46px, 15vw, 68px);
  }

  .page-news .news-lede {
    font-size: 15.5px;
    padding-left: 12px;
  }

  .page-news .news-toc a {
    padding: 8px 13px;
    font-size: 12.5px;
    letter-spacing: 0.05em;
  }

  .page-news .news-brief {
    padding-right: 34px;
  }

  .page-news .news-cta {
    border-radius: var(--r-md);
    padding: 24px 20px 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item::before,
  .page-news .news-brief::after,
  .page-news .news-toc a {
    transition: none;
  }
}