.page-news {
  padding: calc(var(--bar-h) + clamp(16px, 2.5vw, 28px)) var(--edge) clamp(56px, 8vw, 104px);
  color: var(--ice);
  background:
    radial-gradient(120% 60% at 82% -8%, rgba(95, 233, 255, 0.10), transparent 62%),
    radial-gradient(90% 50% at 4% 26%, rgba(22, 16, 51, 0.9), transparent 70%),
    var(--night);
  overflow-x: hidden;
}

.page-news .news-wrap {
  max-width: var(--maxw);
  margin-inline: auto;
}

.page-news .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-news .breadcrumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast), border-color var(--t-fast);
}

.page-news .breadcrumbs a:hover {
  color: var(--cyan);
  border-bottom-color: var(--line);
}

/* ---------- 头条 ---------- */
.page-news .news-hero {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  padding-top: clamp(18px, 3vw, 30px);
  border-top: 1px solid var(--line);
  animation: newsRise 560ms cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

.page-news .news-hero__main {
  min-width: 0;
}

.page-news .u-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 14px;
}

.page-news .news-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(38px, 7.4vw, 78px);
  line-height: 0.98;
  letter-spacing: -0.01em;
  margin: 0 0 18px;
  color: var(--ice);
}

.page-news .news-hero .u-lead {
  max-width: 60ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--mist);
  margin: 0 0 22px;
}

.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.page-news .u-mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--mist);
}

.page-news .hero-points {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--line-soft);
  padding-top: 18px;
}

.page-news .hero-points li {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 12px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .hero-points strong {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 侧栏 ---------- */
.page-news .news-hero__aside {
  display: grid;
  gap: 14px;
  min-width: 0;
  align-content: start;
}

.page-news .news-hero__figure,
.page-news .log-figure,
.page-news .special-card__figure {
  margin: 0;
  position: relative;
  overflow: hidden;
  border-radius: var(--r);
  border: 1px solid var(--line-soft);
  background: var(--indigo);
}

.page-news .news-hero__figure img,
.page-news .log-figure img,
.page-news .special-card__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .media-frame__overlay {
  position: absolute;
  left: 0;
  bottom: 0;
  right: 0;
  padding: 10px 14px;
  background: linear-gradient(180deg, transparent, rgba(6, 10, 20, 0.88));
  color: var(--cyan);
  font-size: 11px;
  letter-spacing: 0.14em;
}

.page-news .side-card {
  padding: 16px 18px;
  border-radius: var(--r);
  border: 1px solid var(--line-soft);
  background: var(--teal);
}

.page-news .side-card--indigo {
  background: var(--indigo);
}

.page-news .side-card__title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--ice);
  margin: 0 0 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

.page-news .index-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .index-list li + li {
  border-top: 1px dashed rgba(154, 175, 194, 0.16);
}

.page-news .index-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 0;
  color: var(--ice);
  font-size: 14px;
  text-decoration: none;
  transition: color var(--t-fast), transform var(--t-fast);
}

.page-news .index-list a:hover {
  color: var(--cyan);
  transform: translateX(4px);
}

.page-news .index-list .n {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
}

.page-news .version-pin {
  font-family: var(--font-mono);
  font-size: clamp(30px, 5vw, 42px);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--cyan);
  margin: 0 0 8px;
  line-height: 1;
}

.page-news .pulse-list {
  margin: 0;
  display: grid;
  gap: 6px;
}

.page-news .pulse-list div {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
  padding-top: 6px;
  border-top: 1px solid rgba(154, 175, 194, 0.14);
}

.page-news .pulse-list dt {
  color: var(--mist);
}

.page-news .pulse-list dd {
  margin: 0;
  font-family: var(--font-mono);
  color: var(--ice);
  font-size: 12px;
}

/* ---------- 章节 ---------- */
.page-news .news-section {
  padding-block: clamp(30px, 4.4vw, 56px);
  margin-top: clamp(10px, 2vw, 22px);
  border-top: 1px solid var(--line-soft);
}

.page-news .news-section--log {
  background: linear-gradient(180deg, rgba(10, 34, 48, 0.55), rgba(6, 10, 20, 0) 72%);
  border-radius: var(--r);
  padding-inline: clamp(0px, 1.6vw, 20px);
}

.page-news .chapter {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 16px;
  align-items: start;
  border-left: 3px solid var(--cyan);
  padding-left: clamp(12px, 1.6vw, 18px);
  margin-bottom: clamp(18px, 2.6vw, 30px);
}

.page-news .chapter__num {
  grid-row: span 2;
  font-family: var(--font-mono);
  font-size: clamp(22px, 3.6vw, 38px);
  line-height: 1;
  color: var(--cyan);
  opacity: 0.62;
}

.page-news .chapter__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(23px, 3.4vw, 36px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--ice);
  margin: 0;
}

.page-news .chapter .u-lead {
  grid-column: 2;
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 分类带 ---------- */
.page-news .filter-band {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 2px 2px 10px;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.page-news .filter-band::-webkit-scrollbar {
  height: 4px;
}

.page-news .filter-band::-webkit-scrollbar-thumb {
  background: var(--line);
  border-radius: 4px;
}

.page-news .filter-chip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--glass-soft);
  color: var(--ice);
  font-size: 13px;
  letter-spacing: 0.02em;
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}

.page-news .filter-chip:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-news .filter-chip--on {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #04202a;
  font-weight: 700;
}

.page-news .filter-chip .c {
  font-family: var(--font-mono);
  font-size: 11px;
  opacity: 0.75;
}

/* ---------- 时间线 ---------- */
.page-news .timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 4px 0 0 22px;
}

.page-news .timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), rgba(95, 233, 255, 0.06));
}

.page-news .timeline__item {
  position: relative;
  padding-bottom: clamp(14px, 2.2vw, 22px);
}

.page-news .timeline__item::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 12px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--mist);
  box-shadow: 0 0 0 3px rgba(154, 175, 194, 0.14);
}

.page-news .timeline__item--ver::before {
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(95, 233, 255, 0.18);
}

.page-news .timeline__item--squad::before {
  background: var(--orange);
  box-shadow: 0 0 0 3px rgba(255, 154, 74, 0.18);
}

.page-news .timeline__item--topic::before {
  background: var(--red);
  box-shadow: 0 0 0 3px rgba(255, 79, 99, 0.16);
}

.page-news .timeline__item--data::before {
  background: var(--ice);
  box-shadow: 0 0 0 3px rgba(232, 241, 246, 0.14);
}

.page-news .entry {
  border-bottom: 1px solid var(--line-soft);
  padding-bottom: 12px;
}

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

.page-news .tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 3px 8px;
  border: 1px solid currentColor;
  border-radius: 2px;
  background: transparent;
}

.page-news .t-ver { color: var(--cyan); }
.page-news .t-squad { color: var(--orange); }
.page-news .t-topic { color: var(--red); }
.page-news .t-data { color: var(--ice); opacity: 0.82; }
.page-news .t-note { color: var(--mist); }

.page-news .tag--orange {
  color: var(--ink-on-orange);
  background: var(--orange);
  border-color: var(--orange);
  font-weight: 700;
}

.page-news .entry__time {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-news .entry__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(18px, 2.4vw, 24px);
  line-height: 1.28;
  color: var(--ice);
  margin: 0 0 6px;
}

.page-news .entry__sum {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist);
  max-width: 68ch;
}

.page-news .entry__more {
  margin-top: 8px;
}

.page-news .entry__more summary,
.page-news .sub-panel__detail summary {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  padding: 4px 0;
  transition: color var(--t-fast);
}

.page-news .entry__more summary::-webkit-details-marker,
.page-news .sub-panel__detail summary::-webkit-details-marker {
  display: none;
}

.page-news .entry__more summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 13px;
}

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

.page-news .entry__more summary:hover {
  color: var(--ice);
}

.page-news .entry__points {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-news .entry__points li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.66;
  color: var(--ice);
}

.page-news .entry__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 7px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 专题 ---------- */
.page-news .special-grid {
  display: grid;
  gap: clamp(14px, 2.2vw, 22px);
}

.page-news .special-card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: clamp(16px, 2.2vw, 22px);
  border-radius: var(--r);
  border: 1px solid var(--line-soft);
  background: var(--teal);
  min-width: 0;
}

.page-news .special-card:nth-child(2) {
  background: var(--indigo);
}

.page-news .special-card--wide {
  background: linear-gradient(135deg, var(--indigo), var(--teal));
}

.page-news .special-card__figure {
  margin-bottom: 4px;
}

.page-news .special-card__tag {
  color: var(--orange);
  font-size: 11px;
  letter-spacing: 0.16em;
  margin: 0;
}

.page-news .special-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 2.6vw, 27px);
  line-height: 1.2;
  color: var(--ice);
  margin: 0;
}

.page-news .special-card__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--mist);
  max-width: 46ch;
}

.page-news .special-card__link {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: border-color var(--t-fast), color var(--t-fast);
}

.page-news .special-card__link:hover {
  color: var(--ice);
  border-bottom-color: var(--cyan);
}

.page-news .special-card__body {
  display: grid;
  gap: 8px;
}

/* ---------- 版本日志 ---------- */
.page-news .log-layout {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
  align-items: start;
}

.page-news .log-list {
  min-width: 0;
}

.page-news .log-item {
  border-top: 1px solid var(--line-soft);
  padding: 12px 0;
}

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

.page-news .log-item__sum {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 4px 14px;
}

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

.page-news .log-ver {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-news .log-title {
  font-size: 15px;
  line-height: 1.5;
  color: var(--ice);
}

.page-news .log-time {
  grid-column: 2;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-news .log-item[open] .log-ver {
  color: var(--orange);
}

.page-news .log-item .entry__points {
  margin-left: 0;
  padding-left: 2px;
}

.page-news .log-figure {
  align-self: start;
}

/* ---------- 订阅 ---------- */
.page-news .sub-panel {
  display: grid;
  gap: clamp(16px, 2.6vw, 26px);
  padding: clamp(20px, 3.4vw, 40px);
  border-radius: var(--r);
  border: 1px solid rgba(255, 79, 99, 0.24);
  background:
    radial-gradient(80% 120% at 92% 10%, rgba(255, 154, 74, 0.14), transparent 62%),
    var(--wine);
}

.page-news .sub-panel__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--ice);
  margin: 0 0 12px;
}

.page-news .sub-panel__desc {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-news .sub-panel__detail summary {
  color: var(--orange);
}

.page-news .sub-panel__detail summary::after {
  content: "+";
  font-family: var(--font-mono);
}

.page-news .sub-panel__detail[open] summary::after {
  content: "−";
}

.page-news .sub-steps {
  margin: 12px 0 0;
  padding-left: 20px;
  display: grid;
  gap: 8px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--ice);
}

.page-news .sub-steps li::marker {
  font-family: var(--font-mono);
  color: var(--orange);
}

.page-news .sub-panel__foot {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-news .sub-panel__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-news .sub-panel__foot a:hover {
  border-bottom-color: var(--cyan);
}

@keyframes newsRise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-news .special-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .special-card--wide {
    grid-column: 1 / -1;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 18px;
    align-items: center;
  }

  .page-news .special-card--wide .special-card__figure {
    margin-bottom: 0;
  }
}

@media (min-width: 900px) {
  .page-news {
    padding-left: calc(var(--rail-w) + var(--edge));
  }

  .page-news .news-hero {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-news .log-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-news .sub-panel {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-news .hero-points li {
    grid-template-columns: 108px 1fr;
  }
}

@media (min-width: 1200px) {
  .page-news .news-hero h1 {
    max-width: 15ch;
  }
}

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

  .page-news .index-list a:hover {
    transform: none;
  }
}