/* =========================================================================
   site-article.css — 安阳优创电器有限责任公司 article detail pages
   Body class: sr-news-article
   Covers: .tr-news-article-wrap, .tr-article and all sub-components.
   ========================================================================= */

/* ── Article page wrapper ───────────────────────────────────────────────── */
body.sr-news-article {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.tr-article-kicker {
  margin: 0 0 12px;
  color: #1677ff;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .06em;
}

.signing-article__hero {
  margin: 30px 0;
}

.signing-article__hero img,
.signing-article__gallery img {
  display: block;
  width: 100%;
  height: auto;
}

.signing-article figcaption {
  padding: 10px 12px;
  background: #f3f6fa;
  color: #65788c;
  font-size: 12px;
  text-align: center;
}

.signing-article__gallery {
  margin: 28px 0;
}

.signing-article__gallery figure {
  margin: 0;
}

.signing-video-section {
  margin: 36px 0;
  padding: 30px;
  background: #f3f7fb;
  border: 1px solid #d7e3ef;
}

.signing-video-section__head {
  margin-bottom: 22px;
}

.signing-video-section__head > span {
  color: #1677ff;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .14em;
}

.signing-video-section__head h3 {
  margin: 8px 0;
  color: #071f3f;
  font-size: 24px;
  font-weight: 900;
}

.signing-video-section__head p {
  margin: 0;
  color: #60758a;
  font-size: 13px;
}

.signing-video-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.signing-video-grid figure {
  margin: 0;
  background: #071f3f;
}

.signing-video-grid video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #06172b;
  object-fit: cover;
}

.signing-video-grid figcaption {
  min-height: 48px;
  padding: 14px 16px;
  background: #071f3f;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  text-align: left;
}

@media (max-width: 767px) {
  .signing-video-section {
    padding: 22px 16px;
  }

  .signing-video-grid {
    grid-template-columns: 1fr;
  }
}

body.sr-news-article .site-footer {
  margin-top: auto;
}

.tr-news-article-wrap {
  flex: 1 0 auto;
  margin-top: 56px;
  margin-bottom: 72px;
}

.sr-news-article .inner-hero__breadcrumb > .inner-hero__breadcrumb-separator {
  display: inline;
}

/* ── Article container ──────────────────────────────────────────────────── */
.tr-article {
  max-width: none;
  width: 100%;
  margin: 0 auto;
  padding: 0;
  box-sizing: border-box;
}

/* ── Category tag pill ──────────────────────────────────────────────────── */
.tr-article-tag {
  display: inline-flex;
  width: max-content;
  margin: 0 0 14px;
  padding: 5px 12px;
  background: #eef4ff;
  color: #2f6fe4;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .02em;
  line-height: 1;
}

/* ── Headline + intro ───────────────────────────────────────────────────── */
.tr-article-title {
  margin: 0 0 18px;
  color: #12243d;
  font-size: clamp(42px, 3vw, 58px);
  font-weight: 900;
  line-height: 1.08;
}
.tr-article-intro {
  margin: 0 0 26px;
  color: #596a7f;
  font-size: 17px;
  line-height: 1.7;
}

/* ── Featured image ─────────────────────────────────────────────────────── */
.tr-article-media { margin: 0 0 30px; }
.tr-article-media img {
  display: block;
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: 0;
  border: 1px solid #e1e8f2;
  box-shadow: 0 14px 30px rgba(17,44,90,.08);
}

/* ── Body content ───────────────────────────────────────────────────────── */
.tr-article-body p {
  margin: 0 0 14px;
  color: #3c4c61;
  font-size: 15.5px;
  line-height: 1.8;
}
.tr-article-body h3 {
  margin: 26px 0 12px;
  color: #12243d;
  font-size: 18px;
  font-weight: 750;
  line-height: 1.4;
}
.tr-article-body ul,
.tr-article-body ol {
  margin: 0 0 16px;
  padding-left: 22px;
  list-style: none;
}
.tr-article-body ul li::before {
  content: "•";
  display: inline-block;
  width: 16px;
  margin-left: -22px;
  color: #3c4c61;
  font-weight: 700;
}
.tr-article-body ol {
  counter-reset: article-ol;
}
.tr-article-body ol li { counter-increment: article-ol; }
.tr-article-body ol li::before {
  content: counter(article-ol) ".";
  display: inline-block;
  width: 20px;
  margin-left: -22px;
  color: #3c4c61;
  font-weight: 700;
}
.tr-article-body li {
  margin: 8px 0;
  color: #3c4c61;
  font-size: 15.5px;
  line-height: 1.7;
}

/* ── Bottom CTA card ────────────────────────────────────────────────────── */
.tr-article-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  width: 100%;
  column-gap: 28px;
  margin-top: 48px;
  padding: 30px;
  background: #fff;
  border: 1px solid #d6e2f0;
  border-radius: 0;
  box-shadow: 0 18px 36px rgba(13,45,84,.08);
}
.tr-article-cta h3 {
  margin: 0 0 10px;
  color: #071f3f;
  font-size: 22px;
  font-weight: 900;
}
.tr-article-cta p {
  margin: 0;
  color: #49617d;
  font-size: 14px;
  line-height: 1.7;
}
.tr-article-cta a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  grid-column: 2;
  grid-row: 1 / span 2;
  min-width: 104px;
  min-height: 42px;
  padding: 0 22px;
  border: 1px solid #1677ff;
  background: #fff;
  color: #096de6;
  border-radius: 0;
  font-size: 13px;
  font-weight: 900;
  text-decoration: none;
  transition: background .18s, border-color .18s;
}
.tr-article-cta a:hover {
  border-color: #1677ff;
  background: #f5f9ff;
  color: #096de6;
}

/* ── Back link ──────────────────────────────────────────────────────────── */
.tr-article-back {
  display: inline-block;
  margin-top: 24px;
  color: #2f6fe4;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}
.tr-article-back:hover { text-decoration: underline; }

/* ── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 767px) {
  .tr-news-article-wrap { margin-top: 32px; margin-bottom: 48px; }
  .tr-article-title { font-size: 34px; }
  .tr-article-media img { max-height: 260px; }
  .tr-article-cta {
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    padding: 24px 20px;
  }
  .tr-article-cta a { margin-top: 20px; }
}