.page-news {
  position: relative;
  isolation: isolate;
  overflow-x: clip;
  --news-line: var(--c-line-soft);
  --news-card: rgba(26, 34, 48, 0.86);
}

.page-news::before {
  content: "";
  position: absolute;
  inset: -10% -20% 0;
  z-index: -1;
  background-image:
    repeating-linear-gradient(90deg, rgba(56, 242, 208, 0.055) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, rgba(255, 106, 42, 0.045) 0 1px, transparent 1px 72px);
  -webkit-mask-image: radial-gradient(130% 70% at 72% 0%, #000 0%, transparent 74%);
  mask-image: radial-gradient(130% 70% at 72% 0%, #000 0%, transparent 74%);
  animation: news-grid-drift 48s linear infinite;
  pointer-events: none;
}

@keyframes news-grid-drift {
  to {
    transform: translate3d(-72px, -72px, 0);
  }
}

/* 面包屑与首屏 */
.page-news .news-crumbs {
  padding-top: clamp(88px, 11vw, 120px);
}

.page-news .news-crumbs .crumbs {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
}

.page-news .news-hero {
  padding: clamp(20px, 3.5vw, 36px) 0 clamp(36px, 5vw, 60px);
}

.page-news .news-hero__inner {
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
}

.page-news .news-hero h1 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(38px, 8.4vw, 96px);
  line-height: 0.94;
  letter-spacing: -0.035em;
  color: var(--c-cream);
}

.page-news .news-hero h1 .hl {
  color: var(--c-heat);
}

.page-news .news-hero__lead {
  margin: 0;
  max-width: 62ch;
  color: var(--c-mute);
  font-size: var(--fs-16);
  line-height: 1.78;
}

.page-news .news-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(6px, 1.4vw, 12px);
  background: var(--news-line);
  border: 1px solid var(--news-line);
  border-radius: var(--r-m);
  overflow: hidden;
}

.page-news .news-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: clamp(14px, 2.2vw, 22px) clamp(14px, 2vw, 20px);
  background: var(--c-void);
}

.page-news .news-stat__num {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--c-cream);
}

.page-news .news-stat:nth-child(1) .news-stat__num {
  color: var(--c-heat);
}

.page-news .news-stat:nth-child(3) .news-stat__num {
  color: var(--c-neon);
}

.page-news .news-stat:nth-child(4) .news-stat__num {
  color: var(--c-amber);
}

.page-news .news-stat__unit {
  font-size: var(--fs-16);
  margin-left: 2px;
}

.page-news .news-stat__label {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--c-mute);
}

/* 区块标题 */
.page-news .news-sec-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-news .news-sec-head h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(26px, 4.4vw, 44px);
  line-height: 1.06;
  letter-spacing: -0.025em;
  color: var(--c-cream);
}

.page-news .news-lead {
  margin: 0;
  max-width: 66ch;
  color: var(--c-mute);
  font-size: var(--fs-16);
  line-height: 1.72;
}

/* 更新列表 */
.page-news .news-log {
  padding: clamp(32px, 5vw, 64px) 0;
  border-top: 1px solid var(--news-line);
}

.page-news .news-log__media {
  margin: 0 0 clamp(20px, 3vw, 32px);
}

.page-news .news-log__media img {
  display: block;
  width: 100%;
  height: clamp(140px, 24vw, 280px);
  object-fit: cover;
  border: 1px solid var(--news-line);
  border-radius: var(--r-m);
}

/* 筛选 */
.page-news .log-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px clamp(16px, 3vw, 28px);
  margin-bottom: clamp(22px, 3.4vw, 36px);
}

.page-news .log-filter__group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

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

.page-news .log-chip {
  display: inline-block;
  padding: 9px 15px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-pill);
  background: rgba(26, 34, 48, 0.7);
  color: var(--c-mute);
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-news .log-chip:hover {
  color: var(--c-cream);
  border-color: var(--c-stone);
}

.page-news .log-filter__input:checked + .log-chip {
  background: var(--c-heat);
  border-color: var(--c-heat);
  color: var(--c-ink-on-warm);
}

.page-news .log-filter__group--ver .log-filter__input:checked + .log-chip {
  background: var(--c-neon);
  border-color: var(--c-neon);
  color: #04211c;
}

.page-news .log-filter__input:focus-visible + .log-chip {
  outline: 2px solid var(--c-neon);
  outline-offset: 2px;
}

/* 筛选生效：只作用于本页已有条目 */
.page-news:has(#f-cat-path:checked) .log-entry:not([data-cat="path"]),
.page-news:has(#f-cat-compat:checked) .log-entry:not([data-cat="compat"]),
.page-news:has(#f-cat-tool:checked) .log-entry:not([data-cat="tool"]),
.page-news:has(#f-cat-notice:checked) .log-entry:not([data-cat="notice"]) {
  display: none;
}

.page-news:has(#f-ver-v20:checked) .log-entry[data-ver="v18"],
.page-news:has(#f-ver-v18:checked) .log-entry[data-ver="v2"] {
  display: none;
}

/* 时间轴 */
.page-news .log-list {
  position: relative;
  display: grid;
  gap: clamp(14px, 2vw, 20px);
  margin: 0;
  padding: 0 0 0 24px;
  list-style: none;
}

.page-news .log-list::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--c-stone) 10%, var(--c-stone) 90%, transparent);
}

.page-news .log-entry {
  position: relative;
}

.page-news .log-entry::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 26px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-void);
  border: 2px solid var(--cat, var(--c-stone));
}

.page-news .log-entry[data-cat="path"] {
  --cat: var(--c-neon);
}

.page-news .log-entry[data-cat="compat"] {
  --cat: var(--c-clay);
}

.page-news .log-entry[data-cat="tool"] {
  --cat: var(--c-amber);
}

.page-news .log-entry[data-cat="notice"] {
  --cat: var(--c-moss);
}

.page-news .log-card {
  padding: clamp(16px, 2.4vw, 24px);
  border: 1px solid var(--news-line);
  border-left: 3px solid var(--cat, var(--c-stone));
  border-radius: var(--r-m);
  background: linear-gradient(180deg, var(--news-card), rgba(9, 14, 22, 0.94));
  box-shadow: var(--sh-deep);
}

.page-news .log-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.page-news .log-chipver {
  color: var(--c-amber);
  border-color: rgba(245, 184, 75, 0.4);
  background: rgba(245, 184, 75, 0.1);
}

.page-news .log-tag {
  display: inline-block;
  padding: 4px 9px;
  border-radius: var(--r-s);
  border: 1px solid color-mix(in srgb, var(--cat, var(--c-stone)) 36%, transparent);
  background: color-mix(in srgb, var(--cat, var(--c-stone)) 14%, transparent);
  color: var(--cat, var(--c-mute));
  font-size: var(--fs-12);
  font-weight: 500;
  line-height: 1.4;
}

.page-news .log-when {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.03em;
  color: var(--c-mute);
}

.page-news .log-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-body);
  font-size: var(--fs-20);
  font-weight: 700;
  line-height: 1.4;
  color: var(--c-cream);
}

.page-news .log-card > p {
  margin: 0;
  color: var(--c-mute);
  font-size: var(--fs-14);
  line-height: 1.78;
}

.page-news .log-details {
  margin-top: 12px;
  padding-top: 11px;
  border-top: 1px dashed var(--news-line);
}

.page-news .log-details > summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--c-neon);
}

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

.page-news .log-details > summary::after {
  content: "+";
  font-size: var(--fs-14);
  line-height: 1;
  color: var(--c-neon);
}

.page-news .log-details[open] > summary::after {
  content: "−";
}

.page-news .log-details__body {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

.page-news .log-details__body p {
  margin: 0;
  color: var(--c-mute);
  font-size: var(--fs-14);
  line-height: 1.78;
}

.page-news .log-details__body a {
  color: var(--c-neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 242, 208, 0.4);
}

/* 重点变更 */
.page-news .news-key {
  padding: clamp(32px, 5vw, 64px) 0;
  border-top: 1px solid var(--news-line);
}

.page-news .key-grid {
  display: grid;
  gap: var(--gap);
}

.page-news .key-item {
  display: grid;
  gap: 14px;
  padding: clamp(18px, 2.6vw, 28px);
  border: 1px solid var(--news-line);
  border-radius: var(--r-l);
  background: var(--c-rock);
}

.page-news .key-item--lead {
  background: linear-gradient(150deg, rgba(30, 58, 95, 0.55), rgba(10, 15, 24, 0.92) 62%);
  border-color: rgba(56, 242, 208, 0.22);
}

.page-news .key-num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(40px, 6.4vw, 72px);
  line-height: 0.82;
  letter-spacing: -0.03em;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--c-neon);
}

.page-news .key-item:nth-child(2) .key-num {
  -webkit-text-stroke-color: var(--c-amber);
}

.page-news .key-item:nth-child(3) .key-num {
  -webkit-text-stroke-color: var(--c-clay);
}

.page-news .key-item:nth-child(4) .key-num {
  -webkit-text-stroke-color: var(--c-moss);
}

.page-news .key-body h3 {
  margin: 0 0 10px;
  font-family: var(--font-body);
  font-size: var(--fs-20);
  font-weight: 700;
  line-height: 1.42;
  color: var(--c-cream);
}

.page-news .key-body p {
  margin: 0 0 10px;
  color: var(--c-mute);
  font-size: var(--fs-14);
  line-height: 1.8;
}

.page-news .key-body p:last-child {
  margin-bottom: 0;
}

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

.page-news .media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--news-line);
  border-radius: var(--r-m);
}

/* 迁移清单 */
.page-news .news-migrate {
  padding: clamp(32px, 5vw, 64px) 0;
  border-top: 1px solid var(--news-line);
  background: linear-gradient(180deg, rgba(26, 34, 48, 0.42), transparent 78%);
}

.page-news .migrate-steps {
  position: relative;
  display: grid;
  gap: clamp(14px, 2.2vw, 20px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .migrate-steps > li {
  position: relative;
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--news-line);
  border-top: 2px solid var(--c-heat);
  border-radius: var(--r-m);
  background: var(--c-void);
}

.page-news .migrate-num {
  display: inline-block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--c-heat);
}

.page-news .migrate-steps h3 {
  margin: 0 0 8px;
  font-family: var(--font-body);
  font-size: var(--fs-20);
  font-weight: 700;
  line-height: 1.4;
  color: var(--c-cream);
}

.page-news .migrate-steps p {
  margin: 0;
  color: var(--c-mute);
  font-size: var(--fs-14);
  line-height: 1.8;
}

.page-news .migrate-foot {
  margin: clamp(18px, 3vw, 28px) 0 0;
  color: var(--c-mute);
  font-size: var(--fs-14);
  line-height: 1.8;
}

.page-news .migrate-foot a {
  color: var(--c-neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 242, 208, 0.45);
}

/* 专题系列 */
.page-news .news-series {
  padding: clamp(32px, 5vw, 64px) 0;
  border-top: 1px solid var(--news-line);
}

.page-news .series-bg {
  display: block;
  width: 100%;
  height: clamp(96px, 16vw, 180px);
  object-fit: cover;
  border: 1px solid var(--news-line);
  border-radius: var(--r-l);
  margin-bottom: clamp(18px, 3vw, 28px);
  opacity: 0.9;
}

.page-news .series-grid {
  display: grid;
  gap: var(--gap);
}

.page-news .series-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.6vw, 26px);
  border: 1px solid var(--news-line);
  border-radius: var(--r-l);
  background: rgba(26, 34, 48, 0.62);
}

.page-news .series-card .chip {
  align-self: flex-start;
  color: var(--c-amber);
  border-color: rgba(245, 184, 75, 0.4);
  background: rgba(245, 184, 75, 0.1);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.05em;
}

.page-news .series-card h3 {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-20);
  font-weight: 700;
  line-height: 1.4;
  color: var(--c-cream);
}

.page-news .series-card p {
  margin: 0;
  color: var(--c-mute);
  font-size: var(--fs-14);
  line-height: 1.78;
}

.page-news .series-list {
  display: grid;
  gap: 7px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .series-list li {
  position: relative;
  padding-left: 16px;
  color: var(--c-stone);
  font-size: var(--fs-14);
  line-height: 1.7;
}

.page-news .series-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-neon);
  opacity: 0.85;
}

.page-news .series-link {
  align-self: flex-start;
  margin-top: auto;
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  color: var(--c-neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 242, 208, 0.42);
}

.page-news .series-link:hover {
  color: var(--c-cream);
  border-bottom-color: var(--c-cream);
}

/* 版本节奏与咨询 */
.page-news .news-cadence {
  padding: clamp(32px, 5vw, 64px) 0 clamp(48px, 7vw, 88px);
}

.page-news .cadence-panel {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  padding: clamp(22px, 3.4vw, 40px);
  border: 1px solid rgba(255, 106, 42, 0.28);
  border-radius: var(--r-xl);
  background: linear-gradient(135deg, rgba(255, 106, 42, 0.12), rgba(30, 58, 95, 0.42) 58%, rgba(7, 11, 20, 0.96));
}

.page-news .cadence-copy h2 {
  margin: 10px 0 12px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(24px, 4vw, 40px);
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--c-cream);
}

.page-news .cadence-copy p {
  margin: 0 0 10px;
  max-width: 64ch;
  color: var(--c-mute);
  font-size: var(--fs-14);
  line-height: 1.8;
}

.page-news .cadence-copy p:last-child {
  margin-bottom: 0;
}

.page-news .cadence-copy a {
  color: var(--c-amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(245, 184, 75, 0.45);
}

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

/* 入场点亮 */
.page-news [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.page-news [data-reveal][data-revealed] {
  opacity: 1;
  transform: none;
}

/* 断点：平板起两列 */
@media (min-width: 760px) {
  .page-news .news-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

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

  .page-news .cadence-panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }
}

/* 断点：桌面时间轴左右交错 */
@media (min-width: 900px) {
  .page-news .log-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(36px, 6vw, 88px);
    row-gap: clamp(18px, 2.4vw, 28px);
    padding-left: 0;
  }

  .page-news .log-list::before {
    left: 50%;
    top: 0;
    bottom: 0;
  }

  .page-news .log-entry::before {
    display: none;
  }

  .page-news .log-entry:nth-child(odd) {
    grid-column: 1;
  }

  .page-news .log-entry:nth-child(even) {
    grid-column: 2;
    margin-top: clamp(28px, 4vw, 56px);
  }

  .page-news .key-item--lead {
    grid-column: 1 / -1;
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: clamp(20px, 4vw, 48px);
  }

  .page-news .news-hero__lead {
    font-size: var(--fs-20);
  }
}

@media (min-width: 1200px) {
  .page-news .news-hero h1 {
    font-size: clamp(88px, 7.4vw, 108px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news::before {
    animation: none;
  }

  .page-news [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}