.page-news {
  --news-gap: clamp(18px, 2.6vw, 30px);
  --news-cut: 16px;
  --news-cut-lg: 22px;
  position: relative;
  isolation: isolate;
  padding-bottom: clamp(72px, 10vw, 128px);
  background:
    radial-gradient(760px 420px at 92% -6%, rgba(122, 43, 255, .22), transparent 62%),
    radial-gradient(620px 380px at 4% 2%, rgba(34, 224, 214, .10), transparent 58%),
    var(--ink-900);
  color: var(--paper);
  overflow-x: clip;
}

.page-news [data-reveal].is-in {
  animation: news-rise .42s var(--ease) both;
}

@keyframes news-rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news [data-reveal].is-in {
    animation: none;
  }
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  padding-top: clamp(20px, 3.4vw, 42px);
}

.page-news .news-hero__kicker {
  margin: 0;
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-news .news-hero__title {
  margin: clamp(14px, 2vw, 22px) 0 0;
  font-weight: 200;
  font-size: clamp(34px, 7.2vw, 78px);
  line-height: 1.03;
  letter-spacing: -.012em;
  max-width: 16ch;
}

.page-news .news-hero__lede {
  margin-top: clamp(16px, 2.4vw, 26px);
  max-width: 62ch;
  font-size: clamp(15px, 1.35vw, 17px);
  line-height: 1.85;
  color: var(--mist);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-news .news-band {
  margin-top: clamp(28px, 4vw, 48px);
}

.page-news .news-band__frame {
  margin: 0;
  position: relative;
  border: 1px solid var(--line);
  background: linear-gradient(140deg, var(--ink-800), var(--ink-750));
  clip-path: polygon(0 0, calc(100% - var(--news-cut-lg)) 0, 100% var(--news-cut-lg), 100% 100%, var(--news-cut-lg) 100%, 0 calc(100% - var(--news-cut-lg)));
  overflow: hidden;
}

.page-news .news-band__frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 6;
  object-fit: cover;
}

/* ---------- 数据条 ---------- */

.page-news .news-stats {
  margin-top: clamp(24px, 3.4vw, 40px);
}

.page-news .stat-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 18px;
  padding: clamp(18px, 2.4vw, 28px);
  border: 1px solid var(--line);
  background: linear-gradient(120deg, rgba(34, 224, 214, .07), rgba(233, 180, 92, .05));
  clip-path: polygon(0 0, calc(100% - var(--news-cut)) 0, 100% var(--news-cut), 100% 100%, 0 100%);
}

.page-news .stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1;
  color: var(--cyan);
}

.page-news .stat__label {
  display: block;
  margin-top: 9px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 专题栏目 ---------- */

.page-news .news-topics {
  margin-top: clamp(56px, 8vw, 104px);
}

.page-news .sec-head--compact .sec-head__title {
  font-size: clamp(24px, 3.2vw, 36px);
}

.page-news .topic-rail {
  display: flex;
  gap: 10px;
  margin-top: clamp(20px, 3vw, 30px);
  padding-bottom: 12px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-news .topic-rail .tag {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  padding: 8px 14px;
}

.page-news .topic-visual {
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  position: relative;
  background: var(--ink-800);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--news-cut)) 0, 100% var(--news-cut), 100% 100%, var(--news-cut) 100%, 0 calc(100% - var(--news-cut)));
  overflow: hidden;
}

.page-news .topic-visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .topic-visual .media-frame__cap {
  display: block;
  padding: 12px clamp(14px, 2vw, 20px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
  border-top: 1px solid var(--line-soft);
}

.page-news .topic-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
  margin-top: clamp(22px, 3.2vw, 34px);
}

.page-news .topic-card {
  position: relative;
  padding: clamp(18px, 2.2vw, 26px);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(16, 27, 57, .94), rgba(9, 14, 30, .9));
  clip-path: polygon(0 0, calc(100% - var(--news-cut)) 0, 100% var(--news-cut), 100% 100%, 0 100%);
  transition: border-color var(--ease), transform var(--ease);
}

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

.page-news .topic-card__no {
  margin: 0;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-news .topic-card__title {
  margin: 12px 0 10px;
  font-size: 19px;
  font-weight: 900;
  letter-spacing: -.01em;
}

.page-news .topic-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .topic-card__cycle {
  display: inline-block;
  margin: 16px 0 0;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
}

/* ---------- 案例索引 ---------- */

.page-news .news-body {
  margin-top: clamp(56px, 8vw, 104px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 40px);
}

.page-news .filter-panel {
  padding: clamp(18px, 2.2vw, 26px);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--ink-750), var(--ink-800));
  clip-path: polygon(0 0, calc(100% - var(--news-cut)) 0, 100% var(--news-cut), 100% 100%, 0 100%);
}

.page-news .filter-panel__title {
  margin: 0 0 20px;
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-news .filter-group + .filter-group {
  margin-top: 22px;
  padding-top: 22px;
  border-top: 1px solid var(--line-soft);
}

.page-news .filter-group__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-news .filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .filter-chips .tag {
  font-size: 13px;
  padding: 6px 13px;
}

.page-news .filter-chips .tag[aria-pressed="true"] {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(34, 224, 214, .1);
}

.page-news .filter-panel__hint {
  margin: 24px 0 0;
  font-size: 12px;
  line-height: 1.75;
  color: var(--mist);
}

.page-news .case-stream {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.4vw, 26px);
  margin-top: clamp(22px, 3vw, 32px);
}

.page-news .case-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border: 1px solid var(--line);
  background: linear-gradient(150deg, rgba(16, 27, 57, .92), rgba(9, 14, 30, .94));
  clip-path: polygon(0 0, calc(100% - var(--news-cut)) 0, 100% var(--news-cut), 100% 100%, 0 100%);
  transition: border-color var(--ease), transform var(--ease);
}

.page-news .case-card:hover {
  border-color: var(--cyan);
}

.page-news .case-card__thumb {
  position: relative;
  overflow: hidden;
  background: var(--ink-750);
  aspect-ratio: 4 / 3;
}

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

.page-news .case-card__body {
  padding: clamp(16px, 2.2vw, 24px);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-news .case-card__dev {
  margin: 0;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--gold);
}

.page-news .case-card__title {
  margin: 0;
  font-size: clamp(17px, 1.8vw, 21px);
  font-weight: 900;
  line-height: 1.4;
  letter-spacing: -.01em;
}

.page-news .case-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .case-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 4px;
}

.page-news .case-card__tag {
  font-size: 12px;
  line-height: 1.4;
  padding: 4px 10px;
  color: var(--mist);
  border: 1px solid var(--line);
}

/* ---------- 更新记录 ---------- */

.page-news .news-log {
  margin-top: clamp(56px, 8vw, 104px);
}

.page-news .log-figure {
  margin: clamp(22px, 3vw, 34px) 0 clamp(28px, 4vw, 44px);
}

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

.page-news .log-list {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .log-list::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: 18px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), rgba(34, 224, 214, .08) 60%, var(--line));
}

.page-news .log-item {
  position: relative;
  padding: 0 0 clamp(22px, 3vw, 32px) 34px;
}

.page-news .log-item::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 6px;
  width: 11px;
  height: 11px;
  border: 2px solid var(--cyan);
  background: var(--ink-900);
  transform: rotate(45deg);
}

.page-news .log-item__idx {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gold);
  margin-right: 10px;
}

.page-news .log-item__tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: .08em;
  padding: 2px 8px;
  color: var(--mist);
  border: 1px solid var(--line);
  vertical-align: 1px;
}

.page-news .log-item__text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper);
}

/* ---------- 案例详情 ---------- */

.page-news .news-brief {
  margin-top: clamp(56px, 8vw, 104px);
}

.page-news .brief-panel {
  padding: clamp(20px, 3vw, 38px);
  border: 1px solid var(--line);
  background:
    linear-gradient(140deg, rgba(34, 224, 214, .08), rgba(122, 43, 255, .14) 62%, rgba(7, 11, 24, .9)),
    var(--ink-800);
  clip-path: polygon(0 0, calc(100% - var(--news-cut-lg)) 0, 100% var(--news-cut-lg), 100% 100%, var(--news-cut-lg) 100%, 0 calc(100% - var(--news-cut-lg)));
}

.page-news .brief-panel__dev {
  margin: 0;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--gold);
}

.page-news .brief-panel__title {
  margin: 14px 0 0;
  font-weight: 200;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.15;
  letter-spacing: -.01em;
  max-width: 22ch;
}

.page-news .brief-panel__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-news .brief-step {
  padding-top: 15px;
  border-top: 2px solid var(--line);
}

.page-news .brief-step__no {
  display: block;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-news .brief-step p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .brief-meta {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin: clamp(24px, 3vw, 34px) 0 0;
  padding-top: clamp(18px, 2.6vw, 26px);
  border-top: 1px solid var(--line);
}

.page-news .brief-meta dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mist);
}

.page-news .brief-meta dd {
  margin: 7px 0 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
}

.page-news .brief-panel__link {
  margin: clamp(24px, 3vw, 34px) 0 0;
}

/* ---------- 更新提醒 ---------- */

.page-news .news-notify {
  margin-top: clamp(56px, 8vw, 104px);
}

.page-news .notify-panel {
  padding: clamp(22px, 3.4vw, 46px);
  border: 1px solid var(--line);
  background:
    radial-gradient(520px 260px at 90% -10%, rgba(255, 61, 139, .18), transparent 66%),
    linear-gradient(150deg, var(--ink-750), var(--ink-800));
  clip-path: polygon(0 0, calc(100% - var(--news-cut-lg)) 0, 100% var(--news-cut-lg), 100% 100%, 0 calc(100% - var(--news-cut-lg)));
}

.page-news .notify-panel__kicker {
  margin: 0;
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--magenta);
}

.page-news .notify-panel__title {
  margin: clamp(14px, 2vw, 20px) 0 0;
  font-weight: 200;
  font-size: clamp(25px, 3.8vw, 44px);
  line-height: 1.14;
  letter-spacing: -.01em;
  max-width: 24ch;
}

.page-news .notify-panel__desc {
  margin: clamp(16px, 2.2vw, 24px) 0 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .notify-panel__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: clamp(20px, 2.8vw, 30px);
}

.page-news .notify-panel__mail {
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--cyan);
  word-break: break-all;
}

.page-news .notify-panel__note {
  margin: clamp(16px, 2.2vw, 22px) 0 0;
  max-width: 66ch;
  font-size: 13px;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .notify-panel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

/* ---------- 媒体查询 ---------- */

@media (min-width: 560px) {
  .page-news .case-card {
    grid-template-columns: 168px minmax(0, 1fr);
  }

  .page-news .case-card__thumb {
    aspect-ratio: auto;
    height: 100%;
    min-height: 150px;
  }
}

@media (min-width: 640px) {
  .page-news .brief-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .brief-panel__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
}

@media (min-width: 760px) {
  .page-news .stat-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px 24px;
  }

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

@media (min-width: 1000px) {
  .page-news .news-body {
    grid-template-columns: 292px minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-side {
    position: sticky;
    top: calc(var(--cmd-h) + 18px);
  }
}

@media (min-width: 1080px) {
  .page-news .topic-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-news .case-card {
    grid-template-columns: 208px minmax(0, 1fr);
  }
}

@media (min-width: 1240px) {
  .page-news .case-card:nth-child(even) {
    margin-left: 36px;
  }

  .page-news .case-card:nth-child(3n) {
    margin-right: 30px;
  }
}