:root {
      --brand: #2b7cff;
      --accent: #2ecc71;
      --muted: #777;
      --bg: #ffffff;
      --card: #f7f9ff;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial;
      background: var(--bg);
      color: #111;
      line-height: 1.5;
      -webkit-font-smoothing: antialiased;
      margin: 0;
    }

    .wrap {
      max-width: 900px;
      margin: 28px auto;
      padding: 18px;
    }

    header {
      text-align: center;
      padding: 22px 12px;
    }

    .brand-row {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 18px;
    }

    .main-badge {
      width: 210px;
      height: 100px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .main-badge img {
      width: 160px;
      height: auto;
      border-radius: 12px; /* 添加圆角 */
    }

    .badges {
      display: flex;
      gap: 8px;
      align-items: center;
      margin-top: 16px;
    }

    .pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 10px;
      border-radius: 999px;
      background: #fff;
      border: 1px solid #e6eefc;
      color: #1b365f;
      font-weight: 600;
      font-size: 13px;
    }

    .search {
      margin: 18px auto 6px;
      width: 62%;
      max-width: 640px;
      height: 44px;
      border-radius: 6px;
      border: 1px solid var(--brand);
      display: flex;
      overflow: hidden;
      background: #fff;
    }

    .search .input {
      flex: 1;
      padding: 0 12px;
      border: 0;
      font-size: 15px;
      outline: 0;
    }

    .search .btn {
      width: 26%;
      background: var(--brand);
      color: #fff;
      border: 0;
      font-weight: 600;
      cursor: pointer;
    }

    .content {
      padding: 18px;
      text-align: center;
    }

    .links {
      display: flex;
      flex-direction: column;
      gap: 12px;
      align-items: center;
      margin: 10px 0;
    }

    .link-btn {
      min-width: 240px;
      padding: 10px 16px;
      color: #fff;
      border-radius: 8px;
      display: inline-block;
      text-decoration: none;
      font-weight: 700;
      cursor: pointer;
      border: 0;
    }

    .g1 {
      background: linear-gradient(90deg, #3ac47d, #2bb673);
    }

    .g2 {
      background: linear-gradient(90deg, #3b82f6, #1d4ed8);
    }

    .g3 {
      background: linear-gradient(90deg, #ef476f, #d02043);
    }

    .g4 {
      background: linear-gradient(90deg, #00c2ff, #0066cc);
    }

    .tip {
      margin-top: 18px;
      color: var(--muted);
      font-weight: 600;
      font-size: 15px;
      background: var(--card);
      padding: 14px;
      border-radius: 8px;
      border: 1px solid rgba(0, 0, 0, 0.03);
    }

    .footer {
      margin-top: 22px;
      text-align: center;
      color: #999;
      font-size: 13px;
    }

    @media (max-width: 640px) {
      .search {
        width: 92%;
      }

      .main-badge {
        width: 140px;
        height: 78px;
      }
    }