/* 基础容器 */
  .qsr-why-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    color: #444;
    line-height: 1.8;
    padding: 20px 10px 60px;
  }

  /* 顶部概述区 */
  .qsr-why-hero {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 50px;
    padding: 40px 20px;
    background: #f9fcf9;
    border-radius: 8px;
    border-left: 6px solid #008a3e;
  }
  .qsr-why-hero h1 {
    font-size: 32px;
    color: #222;
    margin-bottom: 20px;
  }
  .qsr-why-hero p {
    font-size: 16px;
    color: #666;
  }

  /* 四大核心优势卡片网格 */
  .qsr-why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
  }
  .qsr-why-card {
    background: #fff;
    border: 1px solid #eaeaea;
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
  }
  .qsr-why-card:hover {
    box-shadow: 0 10px 25px rgba(0,138,62,0.1);
    transform: translateY(-5px);
  }
  .qsr-icon-box {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background: #e6f4ea;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
  }
  .qsr-why-card h3 {
    font-size: 18px;
    color: #008a3e;
    margin-bottom: 15px;
    text-transform: uppercase;
  }

  /* 详细服务说明区 */
  .qsr-why-details {
    margin-top: 60px;
    background: #fff;
    padding: 40px;
    border: 1px solid #eee;
    border-radius: 8px;
  }
  .qsr-why-details h2 {
    color: #222;
    margin-bottom: 20px;
  }
  .qsr-why-details ul {
    list-style: none;
    padding: 0;
  }
  .qsr-why-details li {
    margin-bottom: 15px;
    padding-left: 30px;
    position: relative;
  }
  .qsr-why-details li::before {
    content: "✔";
    color: #008a3e;
    position: absolute;
    left: 0;
    font-weight: bold;
  }

  /* 适配 */
  @media(max-width: 768px) {
    .qsr-why-grid { grid-template-columns: 1fr; }
  }