.page-news {
  --news-rail-w: 216px;
  --news-gap: clamp(22px, 4vw, 52px);
  background: var(--warm-white);
  color: var(--deep-teal);
}

/* ── 首屏 ───────────────────────────────── */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(115% 90% at 88% 6%, rgba(242, 107, 42, .22), transparent 62%),
    linear-gradient(158deg, var(--deep-teal) 0%, var(--ink-teal) 100%);
  color: var(--on-dark-strong);
  padding-block: clamp(24px, 4vw, 44px) clamp(44px, 7vw, 88px);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: -8%;
  right: -8%;
  bottom: 0;
  height: 44%;
  background-image: repeating-linear-gradient(115deg, rgba(220, 232, 229, .14) 0 1px, transparent 1px 28px);
  -webkit-mask-image: linear-gradient(to top, #000, transparent);
  mask-image: linear-gradient(to top, #000, transparent);
  pointer-events: none;
}

.page-news .news-hero .breadcrumbs {
  position: relative;
  z-index: 1;
  margin: 0 0 clamp(20px, 3vw, 34px);
  color: var(--on-dark-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
}

.page-news .news-hero .breadcrumbs a {
  color: var(--on-dark);
  text-decoration: none;
}

.page-news .news-hero .breadcrumbs a:hover {
  color: var(--amber);
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: center;
}

.page-news .news-hero .display-title {
  max-width: 17ch;
  margin: 0 0 18px;
  font-size: clamp(2rem, 4.6vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: -.03em;
  color: var(--on-dark-strong);
}

.page-news .news-hero .lede {
  max-width: 46ch;
  margin: 0 0 26px;
  color: var(--on-dark);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
}

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

.page-news .news-hero__actions .btn-ghost {
  color: var(--on-dark-strong);
  border-color: rgba(247, 243, 234, .38);
  background: transparent;
}

.page-news .news-hero__actions .btn-ghost:hover {
  border-color: var(--amber);
  color: var(--amber);
}

.page-news .news-hero__figure {
  margin: 0;
}

.page-news .news-hero__figure .figure-frame {
  overflow: hidden;
  border-radius: var(--r-lg);
  aspect-ratio: 3 / 2;
  background: rgba(220, 232, 229, .10);
  box-shadow: 0 36px 64px -42px rgba(0, 0, 0, .85);
  transform: rotate(-1.4deg);
}

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

.page-news .news-hero__figure .figure-caption {
  margin-top: 14px;
  color: var(--on-dark-soft);
  font-size: 12.5px;
  line-height: 1.7;
}

/* ── 主体双栏 ───────────────────────────── */
.page-news .news-body {
  display: grid;
  gap: var(--news-gap);
  padding-block: clamp(30px, 5vw, 64px) clamp(48px, 7vw, 96px);
}

.page-news .news-feed {
  display: grid;
  gap: clamp(36px, 5vw, 68px);
  min-width: 0;
}

/* ── 左侧刻度导航 ───────────────────────── */
.page-news .news-rail {
  display: grid;
  gap: 18px;
  align-content: start;
  padding: 18px;
  border-radius: var(--r-lg);
  background: var(--chart-mint);
  border: 1px solid var(--hair-light);
}

.page-news .rail-block {
  display: grid;
  gap: 10px;
}

.page-news .rail-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-news .rail-list,
.page-news .rail-tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-news .rail-list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 10px;
  border-radius: var(--r-sm);
  color: var(--deep-teal);
  font-size: 14px;
  text-decoration: none;
  transition: background .2s var(--ease), color .2s var(--ease);
}

.page-news .rail-list a:hover {
  background: var(--warm-white);
  color: var(--ink-teal);
}

.page-news .rail-idx {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--clay);
}

.page-news .rail-tags a {
  font-size: 12px;
  text-decoration: none;
}

.page-news .rail-cta {
  display: block;
  padding: 12px 14px;
  border-radius: var(--r-pill);
  background: var(--signal);
  color: var(--ink-teal);
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  transition: background .2s var(--ease), transform .2s var(--ease);
}

.page-news .rail-cta:hover {
  background: var(--amber);
  transform: translateY(-1px);
}

/* ── 章节头 ─────────────────────────────── */
.page-news .log-head {
  display: grid;
  gap: 12px;
  margin-bottom: 22px;
}

.page-news .log-title {
  margin: 0;
  font-size: clamp(1.35rem, 2.7vw, 1.95rem);
  font-weight: 600;
  letter-spacing: -.01em;
  line-height: 1.3;
  color: var(--deep-teal);
}

.page-news .log-intro {
  max-width: 62ch;
  margin: 0;
  color: var(--stone);
  font-size: 15px;
  line-height: 1.85;
}

.page-news .log-head--split .log-head__text {
  display: grid;
  gap: 12px;
}

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

.page-news .log-figure .figure-frame {
  overflow: hidden;
  border-radius: var(--r-md);
  aspect-ratio: 10 / 7;
  background: var(--chart-mint);
}

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

/* ── 日志流 ─────────────────────────────── */
.page-news .log-stream {
  position: relative;
  display: grid;
  gap: 14px;
  padding-left: 22px;
}

.page-news .log-stream::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(180deg, var(--mist), rgba(201, 210, 208, .12));
}

.page-news .log-item {
  position: relative;
  padding: 16px 18px;
  border-radius: var(--r-md);
  background: #fff;
  border: 1px solid var(--hair-light);
  box-shadow: var(--shadow-card);
  transition: border-color .24s var(--ease), transform .24s var(--ease);
}

.page-news .log-item:hover {
  border-color: rgba(242, 107, 42, .38);
  transform: translateY(-2px);
}

.page-news .log-item::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 22px;
  width: 12px;
  height: 12px;
  box-sizing: border-box;
  border-radius: 50%;
  background: var(--warm-white);
  border: 2px solid var(--clay);
}

.page-news .log-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-bottom: 9px;
}

.page-news .time-pill {
  padding: 3px 9px;
  border-radius: var(--r-pill);
  background: var(--ink-teal);
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
}

.page-news .log-item__title {
  margin: 0 0 6px;
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--deep-teal);
}

.page-news .log-item__text {
  margin: 0;
  color: var(--stone);
  font-size: 14.5px;
  line-height: 1.78;
}

.page-news .log-more {
  margin-top: 11px;
  padding-top: 10px;
  border-top: 1px dashed var(--mist);
}

.page-news .log-more summary {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--deep-teal);
}

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

.page-news .log-more summary::before {
  content: "+";
  color: var(--signal);
  font-weight: 700;
  font-size: 14px;
  line-height: 1;
}

.page-news .log-more[open] summary::before {
  content: "–";
}

.page-news .log-more ul {
  display: grid;
  gap: 6px;
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--stone);
  font-size: 14px;
  line-height: 1.72;
}

.page-news .log-more li::marker {
  color: var(--moss);
}

/* ── 设备切换 ───────────────────────────── */
.page-news .device-figure {
  margin: 0 0 18px;
}

.page-news .device-figure .figure-frame {
  overflow: hidden;
  border-radius: var(--r-lg);
  aspect-ratio: 10 / 7;
  background: var(--chart-mint);
}

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

.page-news .device-figure .figure-caption {
  margin-top: 10px;
  color: var(--stone);
  font-size: 12.5px;
}

.page-news .switch-list {
  display: grid;
  gap: 12px;
}

.page-news .switch-item {
  padding: 16px 18px;
  border-radius: var(--r-md);
  background: var(--chart-mint);
  border-left: 3px solid var(--moss);
}

.page-news .switch-item .time-pill {
  background: var(--deep-teal);
}

/* ── 季度版本 ───────────────────────────── */
.page-news .version-figure {
  margin: 0 0 20px;
}

.page-news .version-figure .figure-frame {
  overflow: hidden;
  border-radius: var(--r-lg);
  aspect-ratio: 16 / 9;
  background: var(--chart-mint);
}

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

.page-news .version-list {
  display: grid;
  gap: 12px;
}

.page-news .version-item {
  display: grid;
  gap: 10px;
  padding: 18px 20px;
  border-radius: var(--r-md);
  background: rgba(220, 232, 229, .48);
  border: 1px solid var(--hair-light);
}

.page-news .version-item .num {
  font-family: var(--font-mono);
  font-size: clamp(28px, 5.4vw, 42px);
  font-weight: 500;
  line-height: 1;
  color: var(--clay);
}

.page-news .version-item .log-item__title {
  margin-bottom: 4px;
}

/* ── 回访场景 ───────────────────────────── */
.page-news .scene-grid {
  gap: 14px;
}

.page-news .scene-card {
  display: grid;
  gap: 9px;
  align-content: start;
}

.page-news .scene-tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--clay);
}

.page-news .scene-card__title {
  margin: 0;
  font-size: 1.06rem;
  font-weight: 600;
  color: var(--deep-teal);
}

.page-news .scene-card__text {
  margin: 0;
  color: var(--stone);
  font-size: 14.5px;
  line-height: 1.78;
}

.page-news .scene-link {
  margin-top: 4px;
  align-self: start;
  justify-self: start;
  padding: 7px 14px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(11, 58, 63, .22);
  color: var(--deep-teal);
  font-size: 13px;
  text-decoration: none;
  transition: background .2s var(--ease), border-color .2s var(--ease);
}

.page-news .scene-link:hover {
  background: var(--warm-white);
  border-color: var(--signal);
}

/* ── 反馈区 ─────────────────────────────── */
.page-news .feedback-card {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  padding: clamp(22px, 3.4vw, 40px);
}

.page-news .feedback-copy {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-news .feedback-title {
  margin: 0;
  font-size: clamp(1.25rem, 2.5vw, 1.7rem);
  font-weight: 600;
  line-height: 1.35;
  color: var(--on-dark-strong);
}

.page-news .feedback-text {
  margin: 0;
  color: var(--on-dark);
  font-size: 14.5px;
  line-height: 1.85;
}

.page-news .feedback-list {
  display: grid;
  gap: 8px;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .feedback-list li {
  position: relative;
  padding-left: 16px;
  color: var(--on-dark-soft);
  font-size: 14px;
  line-height: 1.75;
}

.page-news .feedback-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--signal);
}

.page-news .feedback-side {
  display: grid;
  gap: 6px;
  align-content: start;
  padding: 18px;
  border-radius: var(--r-md);
  background: rgba(247, 243, 234, .06);
  border: 1px solid var(--hair-dark);
}

.page-news .feedback-side .contact-label {
  margin: 6px 0 0;
  color: var(--on-dark-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
}

.page-news .feedback-value {
  margin: 0;
  color: var(--on-dark-strong);
  font-size: 14.5px;
  word-break: break-word;
}

.page-news .feedback-note {
  margin: 10px 0 14px;
  color: var(--on-dark-soft);
  font-size: 12.5px;
  line-height: 1.7;
}

.page-news .feedback-side .btn {
  justify-self: start;
}

/* ── 响应式 ─────────────────────────────── */
@media (min-width: 760px) {
  .page-news .log-head--split {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: end;
    gap: 28px;
  }

  .page-news .feedback-card {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }

  .page-news .version-item {
    grid-template-columns: minmax(64px, 90px) minmax(0, 1fr);
    align-items: start;
    gap: 18px;
    padding: 22px 24px;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }
}

@media (min-width: 960px) {
  .page-news .news-body {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    align-items: start;
  }

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

  .page-news .rail-list {
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .page-news .log-stream {
    padding-left: 26px;
  }

  .page-news .log-item {
    padding: 18px 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-hero__figure .figure-frame,
  .page-news .log-item,
  .page-news .rail-cta {
    transform: none;
    transition: none;
  }
}