/* ========================================
   SHARE BUTTONS - 详情页分享按钮组
   5 个平台：Twitter / Facebook / LinkedIn / 微博 / 复制链接
   ======================================== */

.share-buttons {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 28px 0 0;
  flex-wrap: wrap;
}

.share-buttons-label {
  font-size: 13px;
  color: var(--text-light, #666);
  margin-right: 4px;
}

.share-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border, #e5e7eb);
  background: var(--white, #fff);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  text-decoration: none;
}

.share-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.share-btn:focus-visible {
  outline: 2px solid var(--primary, #0969da);
  outline-offset: 2px;
}

.share-btn svg {
  width: 18px;
  height: 18px;
  display: block;
  fill: currentColor;
}

/* 品牌色 */
.share-btn-twitter { background: #1da1f2; border-color: #1da1f2; }
.share-btn-facebook { background: #1877f2; border-color: #1877f2; }
.share-btn-linkedin { background: #0a66c2; border-color: #0a66c2; }
.share-btn-weibo { background: #e6162d; border-color: #e6162d; }
.share-btn-copy { background: #6b7280; border-color: #6b7280; }
.share-btn-copy.is-success {
  background: #10b981;
  border-color: #10b981;
}

@media (max-width: 480px) {
  .share-btn {
    width: 32px;
    height: 32px;
  }
  .share-btn svg {
    width: 16px;
    height: 16px;
  }
}