/* 案例页专属样式 */
    .case-filters { display: flex; justify-content: center; gap: 12px; margin-bottom: 50px; flex-wrap: wrap; }
    .case-filters button {
      padding: 10px 28px;
      border: 1.5px solid var(--gray-line);
      border-radius: 30px;
      font-size: 15px;
      color: var(--ink-soft);
      background: var(--white);
      transition: all .3s var(--ease);
    }
    .case-filters button:hover { border-color: var(--red); color: var(--red); }
    .case-filters button.active { background: var(--red); color: var(--white); border-color: var(--red); }

    .case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
    .case-card {
      background: var(--white);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: var(--shadow);
      transition: all .4s var(--ease);
      display: flex; flex-direction: column;
    }
    .case-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
    .case-card .thumb { overflow: hidden; height: 230px; position: relative; }
    .case-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
    .case-card:hover .thumb img { transform: scale(1.08); }
    .case-card .thumb .tag {
      position: absolute; top: 14px; left: 14px;
      background: rgba(158,42,42,.92);
      color: var(--white);
      font-size: 12px;
      padding: 4px 14px;
      border-radius: 30px;
      letter-spacing: 1px;
      backdrop-filter: blur(4px);
    }
    .case-card .body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
    .case-card .body h3 { font-family: var(--serif); font-size: 18px; font-weight: 600; color: var(--ink); margin-bottom: 10px; line-height: 1.5; }
    .case-card .body p { font-size: 14px; color: var(--gray-text); line-height: 1.7; flex: 1; }
    .case-card .body .meta { display: flex; gap: 12px; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--paper-2); font-size: 13px; color: var(--gray-text); }
    .case-card .body .meta span { display: flex; align-items: center; gap: 5px; }
    .case-card .body .meta .cat-text { color: var(--red); font-weight: 500; }

    .case-feature {
      display: grid; grid-template-columns: 1.2fr 1fr; gap: 50px; align-items: center;
      background: var(--white); border-radius: 12px; overflow: hidden; box-shadow: var(--shadow-lg);
      margin-bottom: 50px;
    }
    .case-feature .img-wrap { height: 420px; overflow: hidden; }
    .case-feature .img-wrap img { width: 100%; height: 100%; object-fit: cover; }
    .case-feature .text-wrap { padding: 50px 50px 50px 0; }
    .case-feature .text-wrap .eyebrow { font-family: var(--serif); color: var(--gold); font-size: 14px; letter-spacing: 4px; }
    .case-feature .text-wrap h2 { font-family: var(--serif); font-size: 30px; margin: 12px 0 20px; letter-spacing: 2px; }
    .case-feature .text-wrap p { color: var(--ink-soft); margin-bottom: 16px; }
    .case-feature .text-wrap .stats-row { display: flex; gap: 36px; margin-top: 24px; }
    .case-feature .text-wrap .stats-row .s .v { font-family: var(--serif); font-size: 28px; color: var(--red); font-weight: 700; }
    .case-feature .text-wrap .stats-row .s .l { font-size: 13px; color: var(--gray-text); }

    @media (max-width: 1024px) {
      .case-grid { grid-template-columns: repeat(2, 1fr); }
      .case-feature { grid-template-columns: 1fr; }
      .case-feature .img-wrap { height: 280px; }
      .case-feature .text-wrap { padding: 36px; }
    }
    @media (max-width: 768px) {
      .case-grid { grid-template-columns: 1fr; }
    }