.page-news {
  --news-rail: 74px;
  --news-card: var(--indigo-850);
  --news-soft: rgba(87, 214, 178, 0.14);
  --news-gap: clamp(16px, 3vw, 32px);
  background: var(--indigo-950);
  color: var(--porcelain);
}

/* ---------- 首屏 ---------- */
.page-news .news-masthead {
  position: relative;
  padding: clamp(28px, 6vw, 72px) 0 clamp(32px, 6vw, 72px);
  background:
    radial-gradient(120% 90% at 88% 6%, rgba(255, 107, 44, 0.20), transparent 58%),
    radial-gradient(90% 80% at 4% 96%, rgba(87, 214, 178, 0.16), transparent 60%),
    linear-gradient(180deg, var(--indigo-950) 0%, var(--indigo-850) 100%);
  overflow: hidden;
}
.page-news .news-masthead::after {
  content: "";
  position: absolute;
  inset: auto -10% -40% auto;
  width: 46vw;
  height: 46vw;
  max-width: 520px;
  max-height: 520px;
  border-radius: 46% 54% 60% 40% / 52% 40% 60% 48%;
  background: radial-gradient(circle at 40% 40%, rgba(87, 214, 178, 0.24), rgba(87, 214, 178, 0) 68%);
  pointer-events: none;
}
.page-news .news-masthead__inner {
  position: relative;
  z-index: 1;
}
.page-news .news-crumb {
  margin-bottom: clamp(18px, 3vw, 30px);
}
.page-news .news-crumb .breadcrumb__link,
.page-news .news-crumb .breadcrumb__current {
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}
.page-news .news-crumb .breadcrumb__link:hover {
  color: var(--signal);
}
.page-news .news-title {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.02;
  font-size: clamp(2.2rem, 6.4vw, 4.6rem);
  color: var(--porcelain);
  text-wrap: balance;
}
.page-news .news-lead {
  margin: clamp(18px, 3vw, 26px) 0 0;
  max-width: 62ch;
  color: var(--mist);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
}
.page-news .news-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: clamp(26px, 5vw, 44px) 0 0;
  background: rgba(201, 209, 227, 0.18);
  border: 1px solid rgba(201, 209, 227, 0.18);
  border-radius: var(--radius-m);
  overflow: hidden;
}
.page-news .news-stat {
  background: rgba(11, 21, 51, 0.72);
  padding: 16px 20px 18px;
  display: flex;
  flex-direction: column-reverse;
  gap: 4px;
}
.page-news .news-stat dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}
.page-news .news-stat dd {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.page-news .news-stat__num {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  line-height: 1;
  color: var(--porcelain);
  letter-spacing: -0.02em;
}
.page-news .news-stat__unit {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--celadon);
  letter-spacing: 0.06em;
}

/* ---------- 索引带 ---------- */
.page-news .news-jump {
  background: var(--indigo-850);
  border-top: 1px solid rgba(201, 209, 227, 0.14);
  border-bottom: 1px solid rgba(201, 209, 227, 0.14);
  padding: 14px 0;
}
.page-news .news-strip {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
}
.page-news .news-strip .index-strip__item {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px 6px 8px;
  border: 1px solid rgba(201, 209, 227, 0.24);
  border-radius: 999px;
  background: rgba(11, 21, 51, 0.5);
}
.page-news .news-strip .index-strip__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--signal);
  letter-spacing: 0.06em;
}
.page-news .news-strip__link {
  color: var(--porcelain);
  text-decoration: none;
  font-size: 13px;
  white-space: nowrap;
}
.page-news .news-strip__link:hover,
.page-news .news-strip__link:focus-visible {
  color: var(--celadon);
}

/* ---------- 通用区块头 ---------- */
.page-news .news-section-head {
  max-width: 68ch;
  margin-bottom: clamp(20px, 4vw, 36px);
}
.page-news .news-section-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  letter-spacing: -0.015em;
  line-height: 1.12;
  font-size: clamp(1.6rem, 3.4vw, 2.6rem);
  color: var(--ink);
}
.page-news .news-section-head--dark h2 {
  color: var(--porcelain);
}
.page-news .news-section-sub {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(17, 24, 38, 0.72);
}
.page-news .news-section-head--dark .news-section-sub {
  color: var(--mist);
}

/* ---------- 本期摘要 ---------- */
.page-news .news-digest {
  background: var(--porcelain);
  color: var(--ink);
}
.page-news .digest-board {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
}
.page-news .digest-card {
  position: relative;
  padding: clamp(20px, 3vw, 28px);
  border-radius: var(--radius-l);
  background: #FFFFFF;
  border: 1px solid var(--line-light);
  box-shadow: 0 1px 0 rgba(17, 24, 38, 0.04);
}
.page-news .digest-card--signal {
  background: linear-gradient(160deg, #FFFFFF 0%, rgba(255, 179, 138, 0.22) 100%);
  border-color: rgba(255, 107, 44, 0.36);
}
.page-news .digest-card--celadon {
  background: linear-gradient(160deg, #FFFFFF 0%, rgba(87, 214, 178, 0.18) 100%);
  border-color: rgba(31, 143, 122, 0.34);
}
.page-news .digest-issue {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--signal);
  border-bottom: 2px solid currentColor;
  padding-bottom: 2px;
  margin-bottom: 12px;
}
.page-news .digest-card--celadon .digest-issue {
  color: var(--celadon-deep);
}
.page-news .digest-card--plain .digest-issue {
  color: var(--ink);
}
.page-news .digest-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.page-news .digest-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(17, 24, 38, 0.78);
}
.page-news .digest-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.page-news .digest-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.65;
  color: rgba(17, 24, 38, 0.74);
}
.page-news .digest-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--signal);
}
.page-news .digest-card--celadon .digest-list li::before {
  background: var(--celadon-deep);
}
.page-news .digest-card--plain .digest-list li::before {
  background: var(--indigo-700);
}
.page-news .digest-figure {
  margin: 0;
  border-radius: var(--radius-l);
  overflow: hidden;
  background: var(--indigo-850);
  position: relative;
}
.page-news .digest-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}
.page-news .digest-figure .media__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 14px 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--porcelain);
  background: linear-gradient(180deg, rgba(11, 21, 51, 0) 0%, rgba(11, 21, 51, 0.9) 70%);
}

/* ---------- 更新日志 ---------- */
.page-news .news-log-section {
  background: var(--indigo-950);
}
.page-news .news-figure {
  margin: 0 0 clamp(24px, 4vw, 40px);
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid rgba(201, 209, 227, 0.16);
  background: var(--indigo-850);
}
.page-news .news-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-news .news-figure--wide img {
  aspect-ratio: 3 / 2;
}
.page-news .news-figure--ruler img {
  aspect-ratio: 2 / 1;
}
.page-news .news-figure .media__caption {
  padding: 12px 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--mist);
  border-top: 1px solid rgba(201, 209, 227, 0.14);
}
.page-news .news-log {
  position: relative;
}
.page-news .news-log::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: var(--news-rail);
  width: 1px;
  background: rgba(201, 209, 227, 0.22);
}
.page-news .log-entry {
  position: relative;
  display: grid;
  grid-template-columns: var(--news-rail) minmax(0, 1fr);
  gap: clamp(12px, 2.5vw, 24px);
  padding: 12px 0;
}
.page-news .log-entry::before {
  content: "";
  position: absolute;
  left: calc(var(--news-rail) - 5px);
  top: 26px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--mist);
  box-shadow: 0 0 0 4px var(--indigo-950);
}
.page-news .log-entry--signal::before {
  background: var(--signal);
}
.page-news .log-entry--celadon::before {
  background: var(--celadon);
}
.page-news .log-sign {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding-top: 14px;
}
.page-news .log-issue {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(15px, 2.4vw, 20px);
  letter-spacing: 0.04em;
  color: var(--porcelain);
}
.page-news .log-day {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mist);
  padding: 1px 6px;
  border: 1px solid rgba(201, 209, 227, 0.28);
  border-radius: 4px;
}
.page-news .log-body {
  background: var(--news-card);
  border: 1px solid rgba(201, 209, 227, 0.14);
  border-radius: var(--radius-m);
  padding: clamp(16px, 2.6vw, 22px);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.page-news .log-entry--signal .log-body {
  border-left: 3px solid var(--signal);
}
.page-news .log-entry--celadon .log-body {
  border-left: 3px solid var(--celadon);
}
.page-news .log-body:hover {
  border-color: rgba(201, 209, 227, 0.34);
}
.page-news .log-body h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.02rem, 2vw, 1.22rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--porcelain);
}
.page-news .log-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}
.page-news .log-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 14px !important;
}
.page-news .log-scope {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: rgba(201, 209, 227, 0.7);
}

/* ---------- 栏目观察 ---------- */
.page-news .news-columns {
  background: var(--porcelain);
  color: var(--ink);
}
.page-news .news-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(18px, 3vw, 28px);
}
.page-news .news-articles {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
}
.page-news .news-article {
  margin: 0;
}
.page-news .news-article__link {
  display: block;
  height: 100%;
  padding: clamp(18px, 2.6vw, 24px);
  background: #FFFFFF;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-m);
  text-decoration: none;
  color: inherit;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.page-news .news-article:nth-child(3n+2) .news-article__link {
  background: linear-gradient(150deg, #FFFFFF 0%, rgba(201, 209, 227, 0.34) 100%);
}
.page-news .news-article__link:hover,
.page-news .news-article__link:focus-visible {
  transform: translateY(-3px);
  border-color: var(--signal);
  box-shadow: 0 10px 24px rgba(17, 24, 38, 0.10);
}
.page-news .news-article__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}
.page-news .news-article__when {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: rgba(17, 24, 38, 0.55);
}
.page-news .news-article h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.02rem, 1.9vw, 1.18rem);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.page-news .news-article p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(17, 24, 38, 0.74);
}
.page-news .filter-empty {
  margin: 24px 0 0;
  padding: 18px 20px;
  border: 1px dashed rgba(17, 24, 38, 0.24);
  border-radius: var(--radius-m);
  font-family: var(--font-mono);
  font-size: 13px;
  color: rgba(17, 24, 38, 0.7);
}

/* ---------- 版本演进 ---------- */
.page-news .news-versions {
  background: linear-gradient(180deg, var(--indigo-850) 0%, var(--indigo-950) 100%);
  color: var(--porcelain);
}
.page-news .news-versions .news-section-head h2 {
  color: var(--porcelain);
}
.page-news .news-versions .news-section-sub {
  color: var(--mist);
}
.page-news .version-ruler {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  position: relative;
}
.page-news .version-node {
  position: relative;
  padding: 18px 18px 20px;
  background: rgba(11, 21, 51, 0.6);
  border: 1px solid rgba(201, 209, 227, 0.16);
  border-radius: var(--radius-m);
}
.page-news .version-node::before {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  top: 0;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: var(--celadon);
  opacity: 0.7;
}
.page-news .version-node:last-child::before {
  background: var(--signal);
  opacity: 1;
}
.page-news .version-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--indigo-950);
  background: var(--celadon);
  border-radius: 4px;
  padding: 2px 8px;
}
.page-news .version-node:last-child .version-tag {
  background: var(--signal);
}
.page-news .version-year {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist);
}
.page-news .version-node h3 {
  margin: 6px 0 8px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.05rem, 2vw, 1.22rem);
  letter-spacing: -0.01em;
  color: var(--porcelain);
}
.page-news .version-node p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 检索与登录优化 ---------- */
.page-news .news-ux {
  background: var(--indigo-950);
  color: var(--porcelain);
}
.page-news .news-ux .news-section-head h2,
.page-news .ux-copy h2 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  letter-spacing: -0.015em;
  line-height: 1.14;
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  color: var(--porcelain);
}
.page-news .ux-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 4vw, 44px);
}
.page-news .ux-lead {
  margin: 12px 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}
.page-news .ux-list {
  list-style: none;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(201, 209, 227, 0.16);
  border: 1px solid rgba(201, 209, 227, 0.16);
  border-radius: var(--radius-m);
  overflow: hidden;
}
.page-news .ux-list li {
  background: var(--indigo-850);
  padding: 16px 18px 18px;
  position: relative;
}
.page-news .ux-list li::after {
  content: "";
  position: absolute;
  right: 18px;
  top: 18px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--celadon);
}
.page-news .ux-list h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1rem;
  letter-spacing: -0.01em;
  color: var(--porcelain);
  padding-right: 20px;
}
.page-news .ux-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}
.page-news .ux-figure {
  margin: 0;
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid rgba(201, 209, 227, 0.16);
  background: var(--indigo-850);
  align-self: start;
}
.page-news .ux-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}
.page-news .ux-figure .media__caption {
  padding: 12px 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--mist);
  border-top: 1px solid rgba(201, 209, 227, 0.14);
}

/* ---------- 接着往下走 ---------- */
.page-news .news-next {
  background: var(--porcelain);
  color: var(--ink);
}
.page-news .next-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
}
.page-news .next-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(20px, 3vw, 26px);
  border: 1px solid var(--line-light);
  border-radius: var(--radius-l);
  background: #FFFFFF;
  text-decoration: none;
  color: inherit;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.page-news .next-card:hover,
.page-news .next-card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--indigo-700);
  box-shadow: 0 12px 26px rgba(17, 24, 38, 0.10);
}
.page-news .next-card--accent {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--ink);
}
.page-news .next-card--accent:hover,
.page-news .next-card--accent:focus-visible {
  border-color: var(--indigo-950);
}
.page-news .next-card__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--celadon-deep);
}
.page-news .next-card--accent .next-card__num {
  color: rgba(17, 24, 38, 0.72);
}
.page-news .next-card h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  letter-spacing: -0.01em;
  color: var(--ink);
}
.page-news .next-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(17, 24, 38, 0.74);
}
.page-news .next-card--accent p {
  color: rgba(17, 24, 38, 0.82);
}
.page-news .next-card__go {
  margin-top: auto;
  padding-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--indigo-700);
}
.page-news .next-card--accent .next-card__go {
  color: var(--indigo-950);
}
.page-news .next-card__go::after {
  content: " →";
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .news-stats {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-news .news-articles {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-news .version-ruler {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-news .next-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .page-news {
    --news-rail: 132px;
  }
  .page-news .digest-board {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
  .page-news .digest-figure {
    grid-column: 2;
    grid-row: 1 / span 2;
  }
  .page-news .digest-card--plain {
    grid-column: 1;
  }
  .page-news .log-entry {
    padding: 16px 0;
  }
  .page-news .log-entry:nth-child(even) .log-body {
    margin-left: clamp(16px, 4vw, 56px);
  }
  .page-news .news-articles {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-news .news-article:nth-child(3n+1) .news-article__link {
    background: #FFFFFF;
  }
  .page-news .news-article:nth-child(4n+2) {
    transform: translateY(14px);
  }
  .page-news .version-ruler {
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
  }
  .page-news .version-node {
    border-radius: 0;
    border-left: none;
    background: transparent;
    padding: 26px 18px 20px;
  }
  .page-news .version-node:first-child {
    border-left: 1px solid rgba(201, 209, 227, 0.16);
    border-radius: var(--radius-m) 0 0 var(--radius-m);
  }
  .page-news .version-node:last-child {
    border-right: 1px solid rgba(201, 209, 227, 0.16);
    border-radius: 0 var(--radius-m) var(--radius-m) 0;
  }
  .page-news .version-ruler::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 1px;
    background: linear-gradient(90deg, var(--celadon) 0%, var(--celadon) 60%, var(--signal) 100%);
  }
  .page-news .ux-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (min-width: 1200px) {
  .page-news .next-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-news .news-articles {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-news .news-article:nth-child(4n+2) {
    transform: translateY(18px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-article__link,
  .page-news .next-card,
  .page-news .log-body {
    transition: none;
  }
  .page-news .news-article__link:hover,
  .page-news .next-card:hover {
    transform: none;
  }
}