/*
 * @kanway-css-index
 * 文件: css/cooperation/cooperation-partners.css
 * 引用: cooperation-success-partners.html
 * 展示: 参考 http://www.graun.com.cn/hezuohuoban/ — 居中标题 + 五列 Logo 网格
 * 依赖: header.css, cooperation-pages.css（可选 coop-btn）
 */

.coop-partners-page {
  padding: 48px 0 80px;
  clear: both;
}

.coop-partners-head {
  margin: 0 auto 48px;
  max-width: 1450px;
  text-align: center;
}

.coop-partners-head__eyebrow {
  margin: 0 0 6px;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: #1a1a1a;
  line-height: 1.2;
}

.coop-partners-head__title {
  margin: 0 0 20px;
  font-size: 32px;
  font-weight: 700;
  color: #1a1a1a;
  line-height: 1.3;
}

.coop-partners-head__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: #6c757d;
}

.coop-partners-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 28px 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.coop-partner-item {
  margin: 0;
  padding: 0;
  text-align: center;
}

.coop-partner-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 3 / 2;
  margin: 0 0 14px;
  padding: 16px 12px;
  background: #fff;
  border: 1px solid #e8ecef;
  border-radius: 2px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.coop-partner-item:hover .coop-partner-logo {
  border-color: #c5d5eb;
  box-shadow: 0 4px 16px rgba(29, 81, 152, 0.08);
}

.coop-partner-logo img {
  display: block;
  max-width: 88%;
  max-height: 72%;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.88;
  transition: filter 0.25s ease, opacity 0.25s ease;
}

.coop-partner-item:hover .coop-partner-logo img {
  filter: grayscale(0%);
  opacity: 1;
}

.coop-partner-logo:has(img) .coop-partner-logo__word {
  display: none;
}

.coop-partner-logo__word[hidden] {
  display: none;
}

.coop-partner-logo__word {
  display: block;
  max-width: 100%;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.35;
  color: #343a40;
  text-transform: uppercase;
  word-break: break-word;
}

.coop-partner-name-en {
  margin: 0 0 4px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #1a1a1a;
  text-transform: uppercase;
  line-height: 1.4;
}

.coop-partner-name-zh {
  margin: 0;
  font-size: 14px;
  color: #495057;
  line-height: 1.4;
}

.coop-partners-foot {
  margin-top: 40px;
  text-align: center;
  font-size: 14px;
}

.coop-partners-foot a {
  font-weight: 600;
  color: #1d5198;
}

@media (max-width: 1200px) {
  .coop-partners-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 992px) {
  .coop-partners-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px 18px;
  }
}

@media (max-width: 576px) {
  .coop-partners-page {
    padding-top: 32px;
  }

  .coop-partners-head__eyebrow {
    font-size: 22px;
  }

  .coop-partners-head__title {
    font-size: 26px;
  }

  .coop-partners-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px 14px;
  }
}