.str-img-wrap {
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    margin-bottom: 20px;
    background: var(--blue-pale);
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .str-img-wrap img {
    width: 100%;
    height: auto;
    display: block;
  }

  .str-placeholder {
    padding: 60px;
    color: var(--text-soft);
    font-size: 14px;
    text-align: center;
  }

  .str-dl-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--blue-light), var(--blue-mid));
    color: white;
    text-decoration: none;
    font-size: 13px;
    font-weight: 700;
    box-shadow: 0 4px 14px rgba(46, 109, 212, .3);
    transition: transform .2s, box-shadow .2s;
  }

  .str-dl-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(46, 109, 212, .4);
  }