.page-news {
  --news-pad: clamp(18px, 3.2vw, 34px);
  --news-radius: var(--radius-xl);
}

.page-news .breadcrumbs {
  padding-block: 20px 6px;
}

.page-news .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
}

.page-news .breadcrumb-list > li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--rock);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  margin: 14px clamp(10px, 2vw, 22px) 0;
  border-radius: var(--news-radius);
  background:
    radial-gradient(120% 130% at 92% -12%, rgba(127, 216, 212, 0.22), transparent 62%),
    linear-gradient(158deg, var(--navy) 0%, var(--night) 100%);
  color: var(--on-dark-strong);
  box-shadow: var(--shadow-panel);
  overflow: hidden;
  padding-block: clamp(32px, 6vw, 74px);
}

.page-news .news-hero-grid {
  display: grid;
  gap: clamp(26px, 5vw, 52px);
}

.page-news .news-hero .eyebrow {
  color: var(--mint);
}

.page-news .news-hero h1 {
  margin: 10px 0 0;
  font-size: clamp(1.75rem, 4.2vw, 3.1rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
}

.page-news .news-hero .lede {
  margin-top: 18px;
  color: var(--on-dark);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  max-width: 60ch;
}

.page-news .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-news .hero-panel {
  border: 1px solid rgba(244, 247, 248, 0.16);
  border-radius: var(--radius-lg);
  background: rgba(244, 247, 248, 0.06);
  padding: clamp(20px, 3vw, 28px);
}

.page-news .hero-panel-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mint);
}

.page-news .hero-panel .stat-figure {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(4rem, 11vw, 6.6rem);
  line-height: 0.95;
  font-weight: 700;
  color: var(--signal);
}

.page-news .hero-panel-note {
  margin: 8px 0 0;
  font-size: 13.5px;
  color: var(--on-dark);
}

.page-news .dist-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .dist-row {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr) 20px;
  align-items: center;
  gap: 10px;
}

.page-news .dist-name {
  font-size: 12.5px;
  color: var(--on-dark);
  white-space: nowrap;
}

.page-news .dist-bar {
  display: block;
  height: 6px;
  border-radius: var(--radius-pill);
  background: rgba(244, 247, 248, 0.16);
  overflow: hidden;
}

.page-news .dist-bar i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--mint), var(--signal));
}

.page-news .fill-3 { width: 100%; }
.page-news .fill-2 { width: 66.6%; }
.page-news .fill-1 { width: 33.3%; }

.page-news .dist-num {
  font-family: var(--font-mono);
  font-size: 12px;
  text-align: right;
  color: var(--on-dark-strong);
}

/* ---------- 本周三处重点 ---------- */
.page-news .news-shifts {
  padding-block: clamp(44px, 7vw, 88px);
}

.page-news .news-shifts h2 {
  margin: 8px 0 0;
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-news .shift-grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(22px, 4vw, 34px);
}

.page-news .shift-card {
  position: relative;
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(18px, 2.6vw, 26px);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-news .shift-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--clay);
}

.page-news .shift-card h3 {
  margin: 0;
  font-size: clamp(1.02rem, 1.7vw, 1.16rem);
  line-height: 1.4;
  color: var(--ink);
}

.page-news .shift-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-news .shift-card .link-arrow {
  margin-top: 4px;
  align-self: flex-start;
}

/* ---------- 更新列表 ---------- */
.page-news .news-log {
  padding-block: clamp(40px, 6vw, 76px);
}

.page-news .log-head {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-news .log-head-copy h2 {
  margin: 8px 0 0;
  font-size: clamp(1.4rem, 2.8vw, 2.1rem);
  line-height: 1.28;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-news .log-head-copy .lede {
  margin-top: 14px;
  color: var(--ink-soft);
  font-size: 15.5px;
  line-height: 1.85;
}

.page-news .media-frame {
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--cream);
}

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

.page-news .media-caption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ink-mute);
}

.page-news .log-layout {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-news .log-rail-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-mute);
}

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

.page-news .log-filter-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-news .log-filter {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 15px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-strong);
  background: #ffffff;
  color: var(--ink-soft);
  font-size: 13px;
  cursor: pointer;
  user-select: none;
  transition: background 0.22s var(--ease), color 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-news .log-filter-count {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--rock);
  transition: color 0.22s var(--ease);
}

.page-news .log-filter-input:checked + .log-filter {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--on-dark-strong);
}

.page-news .log-filter-input:checked + .log-filter .log-filter-count {
  color: var(--signal);
}

.page-news .log-filter-input:focus-visible + .log-filter {
  outline: 3px solid var(--mint);
  outline-offset: 2px;
}

.page-news .log-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .log-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #ffffff;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.page-news .log-entry:first-child .log-item {
  border-color: rgba(255, 106, 43, 0.45);
}

.page-news .log-summary {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) 22px;
  gap: 14px;
  align-items: start;
  padding: clamp(14px, 2.4vw, 20px);
  cursor: pointer;
  list-style: none;
}

.page-news .log-summary::-webkit-details-marker {
  display: none;
}

.page-news .log-summary:focus-visible {
  outline: 3px solid var(--mint);
  outline-offset: -3px;
}

.page-news .log-index {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--clay);
  padding-top: 2px;
}

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

.page-news .log-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

.page-news .log-heading {
  display: block;
  font-size: clamp(15px, 1.7vw, 17px);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-news .log-caret {
  position: relative;
  display: block;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--mist);
  align-self: center;
  justify-self: end;
  transition: background 0.22s var(--ease);
}

.page-news .log-caret::before,
.page-news .log-caret::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 9px;
  height: 2px;
  border-radius: 2px;
  background: var(--ink-soft);
  transform: translate(-50%, -50%);
  transition: transform 0.24s var(--ease), background 0.22s var(--ease);
}

.page-news .log-caret::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-news .log-item[open] .log-caret {
  background: var(--signal);
}

.page-news .log-item[open] .log-caret::before,
.page-news .log-item[open] .log-caret::after {
  background: #ffffff;
}

.page-news .log-item[open] .log-caret::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.page-news .log-detail {
  margin: 0 clamp(14px, 2.4vw, 20px) clamp(16px, 2.4vw, 22px);
  padding-top: 14px;
  border-top: 1px dashed var(--line-strong);
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-news .log-detail p {
  margin: 0 0 12px;
}

.page-news .log-layout:has(#cat-guide:checked) .log-entry:not([data-cat="guide"]),
.page-news .log-layout:has(#cat-index:checked) .log-entry:not([data-cat="index"]),
.page-news .log-layout:has(#cat-advanced:checked) .log-entry:not([data-cat="advanced"]),
.page-news .log-layout:has(#cat-library:checked) .log-entry:not([data-cat="library"]),
.page-news .log-layout:has(#cat-troubleshoot:checked) .log-entry:not([data-cat="troubleshoot"]),
.page-news .log-layout:has(#cat-version:checked) .log-entry:not([data-cat="version"]) {
  display: none;
}

/* ---------- 专题系列 ---------- */
.page-news .news-series {
  margin: 0 clamp(10px, 2vw, 22px);
  padding: clamp(30px, 5vw, 62px) clamp(18px, 3.4vw, 46px);
  border-radius: var(--news-radius);
  background: var(--cream);
}

.page-news .news-series h2 {
  margin: 8px 0 0;
  font-size: clamp(1.4rem, 2.8vw, 2.05rem);
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-news .news-series .lede {
  margin-top: 14px;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-news .series-layout {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  margin-top: clamp(24px, 4vw, 38px);
}

.page-news .series-grid {
  display: grid;
  gap: 14px;
}

.page-news .series-card {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(16px, 2.4vw, 22px);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-news .series-card:hover {
  transform: translateY(-3px);
  border-color: var(--mint);
}

.page-news .series-card-num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--moss);
}

.page-news .series-card h3 {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.4;
  color: var(--ink);
}

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

/* ---------- 版本说明 ---------- */
.page-news .news-versions {
  margin: 16px clamp(10px, 2vw, 22px) 0;
  padding: clamp(30px, 5vw, 62px) clamp(18px, 3.4vw, 46px);
  border-radius: var(--news-radius);
  background:
    radial-gradient(110% 120% at 8% 0%, rgba(255, 106, 43, 0.16), transparent 58%),
    linear-gradient(165deg, var(--night) 0%, var(--navy) 100%);
  color: var(--on-dark-strong);
  box-shadow: var(--shadow-panel);
}

.page-news .news-versions .eyebrow {
  color: var(--mint);
}

.page-news .news-versions h2 {
  margin: 8px 0 0;
  font-size: clamp(1.4rem, 2.8vw, 2.05rem);
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.page-news .news-versions .lede {
  margin-top: 14px;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--on-dark);
}

.page-news .version-band {
  display: grid;
  gap: 14px;
  margin-top: clamp(24px, 4vw, 38px);
  position: relative;
}

.page-news .version-node {
  position: relative;
  border: 1px solid rgba(244, 247, 248, 0.18);
  border-radius: var(--radius-lg);
  background: rgba(244, 247, 248, 0.06);
  padding: clamp(16px, 2.4vw, 22px);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-news .version-node::before {
  content: "";
  position: absolute;
  top: 22px;
  right: 20px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 4px rgba(255, 106, 43, 0.22);
}

.page-news .version-tag {
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--mint);
}

.page-news .version-num {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3vw, 1.9rem);
  font-weight: 700;
  line-height: 1.1;
}

.page-news .version-node p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--on-dark);
}

.page-news .version-figure {
  margin: clamp(22px, 4vw, 34px) 0 0;
}

.page-news .news-versions .media-frame {
  background: rgba(244, 247, 248, 0.08);
}

.page-news .news-versions .media-caption {
  color: rgba(244, 247, 248, 0.62);
}

/* ---------- 更新节奏 ---------- */
.page-news .news-rhythm {
  padding-block: clamp(44px, 7vw, 88px);
}

.page-news .rhythm-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-news .rhythm-copy h2 {
  margin: 8px 0 0;
  font-size: clamp(1.4rem, 2.8vw, 2.05rem);
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-news .rhythm-copy > p {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-news .rhythm-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.page-news .rhythm-list li {
  display: grid;
  gap: 5px;
  padding: 14px 0;
  border-top: 1px solid var(--line-strong);
}

.page-news .rhythm-list li:last-child {
  border-bottom: 1px solid var(--line-strong);
}

.page-news .rhythm-key {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--navy);
}

.page-news .rhythm-val {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-news .rhythm-figure {
  margin: 0;
}

/* ---------- 行动入口 ---------- */
.page-news .news-act {
  margin: 0 clamp(10px, 2vw, 22px) clamp(24px, 4vw, 44px);
  padding: clamp(30px, 5vw, 60px) clamp(18px, 3.4vw, 46px);
  border-radius: var(--news-radius);
  background: linear-gradient(155deg, var(--navy) 0%, var(--night) 100%);
  color: var(--on-dark-strong);
}

.page-news .news-act .eyebrow {
  color: var(--mint);
}

.page-news .news-act h2 {
  margin: 8px 0 0;
  font-size: clamp(1.4rem, 2.8vw, 2.05rem);
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.page-news .act-grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(22px, 3.6vw, 32px);
}

.page-news .act-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(18px, 2.6vw, 26px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(244, 247, 248, 0.18);
  background: rgba(244, 247, 248, 0.06);
  color: var(--on-dark-strong);
  text-decoration: none;
  transition: background 0.24s var(--ease), border-color 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-news .act-card:hover,
.page-news .act-card:focus-visible {
  background: rgba(255, 106, 43, 0.14);
  border-color: rgba(255, 106, 43, 0.55);
  transform: translateY(-3px);
}

.page-news .act-card-title {
  font-size: 1.04rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-news .act-card-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--on-dark);
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-news .rhythm-list li {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }

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

@media (min-width: 720px) {
  .page-news .act-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 880px) {
  .page-news .news-hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
  }

  .page-news .log-head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.8fr);
    align-items: center;
  }

  .page-news .log-layout {
    grid-template-columns: 214px minmax(0, 1fr);
    align-items: start;
  }

  .page-news .log-rail {
    position: sticky;
    top: 96px;
  }

  .page-news .log-filters {
    flex-direction: column;
    align-items: stretch;
  }

  .page-news .log-filter {
    justify-content: space-between;
  }

  .page-news .series-layout {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    align-items: start;
  }

  .page-news .version-band {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-news .version-band::before {
    content: "";
    position: absolute;
    top: 30px;
    left: 4%;
    right: 4%;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(127, 216, 212, 0.55), transparent);
  }

  .page-news .rhythm-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-news .shift-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 460px) {
  .page-news .log-summary {
    grid-template-columns: 34px minmax(0, 1fr) 18px;
    gap: 10px;
  }

  .page-news .log-index {
    font-size: 15px;
  }

  .page-news .dist-row {
    grid-template-columns: 60px minmax(0, 1fr) 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .series-card,
  .page-news .act-card,
  .page-news .log-caret,
  .page-news .log-caret::before,
  .page-news .log-caret::after,
  .page-news .log-filter {
    transition: none;
  }

  .page-news .series-card:hover,
  .page-news .act-card:hover,
  .page-news .act-card:focus-visible {
    transform: none;
  }
}