.hao-blog {
    font-family: Arial, Helvetica, sans-serif;
    color: #263238;
    line-height: 1.72;
    max-width: 1120px;
    margin: 0 auto;
    padding: 28px 18px;
    background: #ffffff;
  }
  .hao-blog * {
    box-sizing: border-box;
  }
  .hao-hero {
    background: linear-gradient(135deg, #eef6ff 0%, #ffffff 58%, #e8f2ff 100%);
    border: 1px solid #d6e8ff;
    border-radius: 22px;
    padding: 42px 34px;
    margin-bottom: 28px;
  }
  .hao-label {
    display: inline-block;
    background: #0b6fd3;
    color: #ffffff;
    padding: 7px 14px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 16px;
  }
  .hao-blog h1 {
    font-size: 42px;
    line-height: 1.18;
    color: #0b2f57;
    margin: 0 0 18px;
  }
  .hao-blog h2 {
    font-size: 30px;
    line-height: 1.28;
    color: #0b2f57;
    margin: 46px 0 16px;
    padding-left: 14px;
    border-left: 5px solid #0b6fd3;
  }
  .hao-blog h3 {
    font-size: 22px;
    color: #104d86;
    margin: 28px 0 10px;
  }
  .hao-blog p {
    font-size: 17px;
    margin: 0 0 16px;
  }
  .hao-blog a {
    color: #0b6fd3;
    text-decoration: underline;
  }
  .hao-nav {
    background: #f4f9ff;
    border: 1px solid #d6e8ff;
    border-radius: 18px;
    padding: 24px 26px;
    margin: 28px 0;
  }
  .hao-nav h2 {
    border-left: 0;
    padding-left: 0;
    margin: 0 0 14px;
    font-size: 24px;
  }
  .hao-nav ol {
    margin: 0;
    padding-left: 22px;
    columns: 2;
    column-gap: 42px;
  }
  .hao-nav li {
    margin: 7px 0;
    break-inside: avoid;
  }
  .hao-card {
    background: #ffffff;
    border: 1px solid #d6e8ff;
    border-radius: 18px;
    padding: 24px;
    margin: 22px 0;
    box-shadow: 0 8px 24px rgba(11, 111, 211, 0.07);
  }
  .hao-note {
    background: #f2f8ff;
    border-left: 5px solid #0b6fd3;
    border-radius: 14px;
    padding: 18px 20px;
    margin: 22px 0;
  }
  .hao-warning {
    background: #fff7ed;
    border-left: 5px solid #f59e0b;
    border-radius: 14px;
    padding: 18px 20px;
    margin: 22px 0;
  }
  .hao-steps {
    counter-reset: step;
    margin: 24px 0;
  }
  .hao-step {
    display: grid;
    grid-template-columns: 52px 1fr;
    gap: 16px;
    padding: 20px;
    border: 1px solid #d6e8ff;
    border-radius: 18px;
    margin-bottom: 14px;
    background: #ffffff;
  }
  .hao-step:before {
    counter-increment: step;
    content: counter(step);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: #0b6fd3;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 20px;
  }
  .hao-step h3 {
    margin-top: 0;
  }
  .hao-table-wrap {
    overflow-x: auto;
    margin: 24px 0;
    border-radius: 16px;
    border: 1px solid #d6e8ff;
  }
  .hao-blog table {
    width: 100%;
    border-collapse: collapse;
    min-width: 740px;
    background: #ffffff;
  }
  .hao-blog th {
    background: #0b6fd3;
    color: #ffffff;
    text-align: left;
    padding: 15px 16px;
    font-size: 16px;
  }
  .hao-blog td {
    border-top: 1px solid #e3efff;
    padding: 15px 16px;
    vertical-align: top;
    font-size: 16px;
  }
  .hao-blog ul,
  .hao-blog ol {
    font-size: 17px;
    padding-left: 24px;
  }
  .hao-blog li {
    margin-bottom: 8px;
  }
  .hao-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    margin: 20px 0;
  }
  .hao-grid div {
    background: #f4f9ff;
    border: 1px solid #d6e8ff;
    border-radius: 14px;
    padding: 16px;
  }
  .hao-cta {
    background: linear-gradient(135deg, #0b6fd3 0%, #074d9b 100%);
    color: #ffffff;
    border-radius: 24px;
    padding: 34px;
    margin: 46px 0 20px;
  }
  .hao-cta h2 {
    color: #ffffff;
    border-left: 0;
    padding-left: 0;
    margin-top: 0;
  }
  .hao-cta p {
    color: #ffffff;
  }
  .hao-cta a {
    display: inline-block;
    background: #ffffff;
    color: #0b6fd3;
    text-decoration: none;
    padding: 12px 22px;
    border-radius: 999px;
    font-weight: 700;
    margin-top: 8px;
  }
  .hao-faq details {
    background: #ffffff;
    border: 1px solid #d6e8ff;
    border-radius: 14px;
    padding: 16px 18px;
    margin-bottom: 12px;
  }
  .hao-faq summary {
    cursor: pointer;
    font-weight: 700;
    color: #0b2f57;
    font-size: 18px;
  }
  .hao-faq p {
    margin-top: 12px;
  }
  @media (max-width: 768px) {
    .hao-blog h1 {
      font-size: 32px;
    }
    .hao-blog h2 {
      font-size: 25px;
    }
    .hao-nav ol {
      columns: 1;
    }
    .hao-grid {
      grid-template-columns: 1fr;
    }
    .hao-step {
      grid-template-columns: 1fr;
    }
    .hao-hero {
      padding: 30px 22px;
    }
  }