:root {
  --news-detail-bg: #ececec;
  --news-detail-ink: #111216;
  --news-detail-muted: #555b66;
  --news-detail-line: #d3d6dc;
  --news-detail-accent: #3b61d4;
  --news-detail-shell: min(1120px, calc(100vw - 56px));
  --news-detail-font: "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
  min-height: 100%;
}

body {
  background: #fff;
  color: var(--news-detail-ink);
  font-family: var(--news-detail-font);
}

.news-detail-page {
  width: var(--news-detail-shell);
  margin: 0 auto;
  padding: 82px 0 96px;
  display: grid;
  gap: 24px;
}

.news-detail-hero,
.news-detail-content,
.news-detail-actions {
  background: #fff;
  border-radius: 20px;
  min-width: 0;
}

.news-detail-body {
  min-width: 0;
}

/* 后台正文里常见内联 style="text-wrap-mode: nowrap" / white-space: nowrap，会撑破版面 */
.news-detail-body [style*="nowrap"] {
  white-space: normal !important;
  text-wrap-mode: wrap !important;
}

.news-detail-body img,
.news-detail-body video {
  max-width: 100%;
  height: auto;
}

.news-detail-body iframe {
  max-width: 100%;
}

.news-detail-body table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
}
.news-detail-hero {
  padding: clamp(24px, 3vw, 40px) clamp(18px, 4vw, 52px);
}

.news-label {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: clamp(22px, 2.6vw, 34px);
}

.news-label-accent {
  width: 4px;
  height: 62px;
  background: var(--news-detail-accent);
  border-radius: 2px;
}

.news-label-copy {
  display: grid;
  gap: 2px;
}

.news-label-en {
  font-size: clamp(18px, 1.9vw, 33px);
  letter-spacing: 0.03em;
}

.news-label-cn {
  font-size: clamp(16px, 1.25vw, 21px);
}

.news-label-line {
  width: clamp(120px, 18vw, 260px);
  height: 1px;
  background: #adb1bc;
  margin-top: 6px;
}

.news-main-title {
  text-align: center;
  font-size: clamp(22px, 2.15vw, 36px);
  line-height: 1.4;
  letter-spacing: 0.02em;
  font-weight: 600;
}

.news-meta {
  margin-top: clamp(12px, 1.8vw, 20px);
  text-align: center;
  color: var(--news-detail-muted);
  font-size: clamp(13px, 1vw, 15px);
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.meta-sep {
  width: 1px;
  height: 12px;
  background: #c8ccd5;
}

.news-lead {
  margin-top: clamp(18px, 2vw, 28px);
  padding-top: clamp(18px, 2vw, 26px);
  border-top: 1px solid var(--news-detail-line);
  color: #1d1e23;
  font-size: clamp(15px, 1.2vw, 18px);
  line-height: 1.95;
}

.news-detail-content {
  padding: clamp(24px, 3vw, 42px) clamp(18px, 4vw, 52px);
  overflow-wrap: anywhere;
}

.section-index {
  margin: 0 auto;
  width: fit-content;
  font-size: clamp(30px, 2.8vw, 44px);
  line-height: 1;
  color: var(--news-detail-accent);
  border-bottom: 1px solid currentColor;
  padding-bottom: 4px;
}

.section-title {
  margin-top: 16px;
  text-align: center;
  font-size: clamp(24px, 2.1vw, 34px);
  line-height: 1.38;
  font-weight: 600;
}

.section-paragraph {
  margin-top: 16px;
  color: #1f2026;
  font-size: clamp(15px, 1.15vw, 18px);
  line-height: 2;
  text-align: justify;
}

.section-image-wrap {
  margin-top: clamp(20px, 2.3vw, 34px);
  border: 1px solid #d9dbe1;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.07);
}

.section-image {
  width: 100%;
  display: block;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.news-detail-actions {
  padding: 16px clamp(18px, 4vw, 52px);
}

.news-back-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 128px;
  height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid #c5c8d0;
  text-decoration: none;
  color: #101217;
  background: linear-gradient(180deg, #ffffff, #f7f8fb);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 13px;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.news-back-link:hover {
  border-color: #8f95a5;
  transform: translateY(-1px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.08);
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-in {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .news-detail-page {
    width: calc(100vw - 24px);
    padding: 72px 0 62px;
    gap: 16px;
  }

  .news-detail-hero,
  .news-detail-content {
    border-radius: 14px;
  }

  .news-label {
    gap: 10px;
    margin-bottom: 18px;
  }

  .news-label-accent {
    height: 46px;
  }

  .news-label-line {
    width: clamp(80px, 24vw, 150px);
  }

  .news-meta {
    justify-content: flex-start;
  }

  .section-image {
    aspect-ratio: 4 / 3;
  }
}